/* ==========================================================================
   Tech4 — Website styles. Built on the Tech4 design system tokens.
   White base · charcoal ink · brand red accent · blue reserved for Services.
   Motion: mechanical, reveal-on-scroll, curtain wipes, kinetic marquee.
   ========================================================================== */

/* ---- Reset / page ------------------------------------------------------- */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--steel-0);
  color: var(--text-body);
  overflow-x: hidden;
}
body.t4-lock { overflow: hidden; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--steel-300); }
::-webkit-scrollbar-track { background: var(--steel-50); }

.t4-wrap { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-6); }
@media (max-width: 720px) { .t4-wrap { padding: 0 var(--space-4); } }

section { position: relative; }

/* Reveal-on-scroll primitive — resting state VISIBLE; entrance is a pure
   enhancement that only plays in a focused tab (never hides content). ------- */
[data-reveal] { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  [data-reveal].t4-armed { opacity: 0; transform: translateY(26px); }
  [data-reveal].t4-armed.is-in {
    opacity: 1; transform: none;
    transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
    transition-delay: var(--reveal-delay, 0ms);
  }
}

/* Eyebrow + rule -------------------------------------------------------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display); font-weight: var(--fw-bold);
  font-size: var(--fs-xs); letter-spacing: var(--ls-widest);
  text-transform: uppercase; color: var(--brand);
}
.eyebrow::before { content: ""; width: 34px; height: 3px; background: var(--brand); }
.eyebrow.on-dark { color: var(--red-400); }

.section-head { max-width: 880px; }
.section-head h2 {
  font-family: var(--font-display); font-weight: var(--fw-medium);
  text-transform: none; letter-spacing: var(--ls-tight); line-height: 1.06;
  font-size: clamp(1.8rem, 3.4vw, 2.9rem); margin-top: var(--space-4);
  color: var(--text-strong);
}
.section-head p { margin-top: var(--space-4); font-size: var(--fs-lg);
  color: var(--text-muted); max-width: 60ch; }
.section-head .red { color: var(--brand); }

/* ======================================================================
   BUTTONS
   ====================================================================== */
.btn {
  --b: var(--brand); --bh: var(--brand-hover); --ba: var(--brand-active);
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display); font-weight: var(--fw-bold);
  text-transform: uppercase; letter-spacing: var(--ls-wide);
  font-size: var(--fs-sm); padding: 16px 28px; border: 0; cursor: pointer;
  background: var(--b); color: #fff; border-radius: var(--radius-sm);
  transition: background var(--dur-base), transform var(--dur-fast), box-shadow var(--dur-base);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}
.btn:hover { background: var(--bh); color: #fff; box-shadow: var(--shadow-brand); }
.btn:active { background: var(--ba); transform: scale(.98); }
.btn .arr { transition: transform var(--dur-base) var(--ease-out); }
.btn:hover .arr { transform: translateX(4px); }
.btn-ghost {
  background: transparent; color: var(--text-strong);
  border: 1.5px solid var(--border-default); clip-path: none; border-radius: var(--radius-sm);
}
.btn-ghost:hover { background: var(--steel-900); color: #fff; border-color: var(--steel-900); box-shadow: none; }
.btn-ghost.on-dark { color: #fff; border-color: rgba(255,255,255,.28); }
.btn-ghost.on-dark:hover { background: #fff; color: var(--steel-900); border-color: #fff; }
.btn-services { --b: var(--services); --bh: var(--services-hover); --ba: var(--services-700); }

.link-underline {
  position: relative; font-family: var(--font-display); font-weight: var(--fw-bold);
  text-transform: uppercase; letter-spacing: var(--ls-wide); font-size: var(--fs-sm);
  color: var(--text-strong); cursor: pointer; padding-bottom: 3px;
}
.link-underline::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px;
  width: 100%; background: var(--brand); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out); }
.link-underline:hover { color: var(--brand); }
.link-underline:hover::after { transform: scaleX(1); }
.link-underline.on-dark { color: #fff; }

/* ======================================================================
   HEADER
   ====================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60; height: 76px;
  display: flex; align-items: center;
  transition: background var(--dur-slow), box-shadow var(--dur-slow), border-color var(--dur-slow);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,.86); backdrop-filter: blur(14px);
  border-bottom-color: var(--border-subtle); box-shadow: var(--shadow-xs);
}
.site-header .t4-wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand-logo { height: 38px; width: auto; display: block; }
/* At top (over dark hero): white logo + light controls. When scrolled: dark. */
.site-header .brand-logo.on-light { display: none; }
.site-header .brand-logo.on-dark-img { display: block; }
.site-header.scrolled .brand-logo.on-light { display: block; }
.site-header.scrolled .brand-logo.on-dark-img { display: none; }
.site-header .lang-switch button { color: rgba(255,255,255,.55); }
.site-header .lang-switch button:hover { color: #fff; }
.site-header .lang-switch button.active { color: var(--red-400); }
.site-header .lang-switch .sep { color: rgba(255,255,255,.25); }
.site-header.scrolled .lang-switch button { color: var(--text-faint); }
.site-header.scrolled .lang-switch button:hover { color: var(--text-body); }
.site-header.scrolled .lang-switch button.active { color: var(--brand); }
.site-header.scrolled .lang-switch .sep { color: var(--steel-300); }
.site-header .nav-right { display: flex; align-items: center; gap: var(--space-5); }

.lang-switch { display: flex; align-items: center; gap: 2px; font-family: var(--font-mono);
  font-size: var(--fs-xs); }
.lang-switch button { background: none; border: 0; cursor: pointer; color: var(--text-faint);
  font: inherit; padding: 4px 6px; text-transform: uppercase; letter-spacing: .06em;
  transition: color var(--dur-fast); }
.lang-switch button:hover { color: var(--text-body); }
.lang-switch button.active { color: var(--brand); font-weight: 600; }
.lang-switch .sep { color: var(--steel-300); }

.menu-toggle {
  display: inline-flex; align-items: center; gap: var(--space-3);
  background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.2); cursor: pointer;
  font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  letter-spacing: var(--ls-wide); font-size: var(--fs-xs); padding: 12px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
  transition: background var(--dur-base), color var(--dur-base), border-color var(--dur-base);
}
.menu-toggle:hover { background: var(--brand); border-color: var(--brand); }
.site-header.scrolled .menu-toggle { background: var(--steel-900); border-color: var(--steel-900); }
.site-header.scrolled .menu-toggle:hover { background: var(--brand); border-color: var(--brand); }
.menu-toggle .bars { display: inline-flex; flex-direction: column; gap: 3px; }
.menu-toggle .bars i { width: 18px; height: 2px; background: currentColor; display: block; }

@media (max-width: 720px) {
  .menu-toggle .label { display: none; }
  .site-header .nav-right { gap: var(--space-3); }
}

/* ======================================================================
   FULL-SCREEN MENU OVERLAY
   ====================================================================== */
.menu-overlay {
  position: fixed; inset: 0; z-index: 90; background: var(--steel-950);
  display: grid; grid-template-rows: auto 1fr auto;
  visibility: hidden; pointer-events: none;
}
.menu-overlay.open { visibility: visible; pointer-events: auto; }
html.t4-anim .menu-overlay { clip-path: inset(0 0 100% 0); visibility: visible;
  transition: clip-path .7s var(--ease-out), visibility 0s linear .7s; }
html.t4-anim .menu-overlay:not(.open) { visibility: hidden; }
html.t4-anim .menu-overlay.open { clip-path: inset(0 0 0 0); transition: clip-path .7s var(--ease-out); }
.menu-overlay::before { /* faint red diagonal hairlines */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(-58deg, transparent 0 38px, rgba(236,51,54,.07) 38px 39px);
}
.menu-overlay .menu-top { display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) var(--space-6); }
.menu-overlay .menu-top img { height: 34px; }
.menu-close { background: none; border: 0; cursor: pointer; color: #fff;
  font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  letter-spacing: var(--ls-wide); font-size: var(--fs-sm); display: inline-flex; align-items: center; gap: 10px; }
.menu-close .x { position: relative; width: 26px; height: 26px; display: inline-block; }
.menu-close .x::before, .menu-close .x::after { content: ""; position: absolute; top: 50%; left: 0;
  width: 100%; height: 2px; background: #fff; transition: background var(--dur-fast); }
.menu-close .x::before { transform: rotate(45deg); }
.menu-close .x::after { transform: rotate(-45deg); }
.menu-close:hover { color: var(--red-400); }
.menu-close:hover .x::before, .menu-close:hover .x::after { background: var(--red-400); }

.menu-nav { align-self: center; padding: 0 var(--space-6); }
.menu-nav ol { list-style: none; margin: 0; padding: 0; }
.menu-nav li { overflow: hidden; }
.menu-nav a {
  display: flex; align-items: baseline; gap: var(--space-5); padding: clamp(4px, 1.1vh, 12px) 0;
  color: #fff; font-family: var(--font-display); font-weight: var(--fw-bold);
  text-transform: uppercase; letter-spacing: var(--ls-normal); line-height: 1.05;
  font-size: clamp(2rem, 5vw, 4.2rem); position: relative; width: max-content;
  transition: color var(--dur-base);
}
html.t4-anim .menu-nav a { transform: translateY(110%); }
html.t4-anim .menu-overlay.open .menu-nav a { animation: menuItemIn .7s var(--ease-out) forwards; animation-delay: var(--d, 0ms); }
@keyframes menuItemIn { to { transform: translateY(0); } }
.menu-nav a .idx { font-family: var(--font-mono); font-weight: 500; font-size: var(--fs-md);
  color: var(--red-500); letter-spacing: 0; align-self: flex-start; margin-top: .4em; min-width: 2.4em; }
.menu-nav a .txt { transition: transform var(--dur-base) var(--ease-out); }
.menu-nav a:hover { color: var(--red-400); }
.menu-nav a:hover .txt { transform: translateX(18px); }
@media (prefers-reduced-motion: reduce) {
  .menu-nav a { transform: none; animation: none !important; }
}
.menu-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4);
  padding: var(--space-5) var(--space-6); border-top: 1px solid rgba(255,255,255,.1); }
.menu-foot .contacts { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.menu-foot .contacts a { color: var(--steel-300); font-family: var(--font-mono); font-size: var(--fs-sm); }
.menu-foot .contacts a:hover { color: #fff; }
.menu-foot .lang-switch button { color: var(--steel-400); }
.menu-foot .lang-switch button.active { color: var(--red-400); }
.menu-foot .lang-switch button:hover { color: #fff; }

/* ======================================================================
   HERO — Darnit2 proportions: dark ground · red block · whole machine
   ====================================================================== */
.hero { padding: 132px 0 var(--space-8); position: relative; overflow: hidden;
  background: var(--steel-950); color: #fff; min-height: min(92vh, 860px); display: flex; align-items: center; }
.hero::before { /* dark photographic ground */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: url("../assets/bg-dark-poultry.webp") center/cover; opacity: .26;
  mask-image: linear-gradient(90deg, #000, transparent 70%); }
.hero::after { /* faint diagonal hairlines */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(-58deg, transparent 0 52px, rgba(255,255,255,.025) 52px 53px); }
.hero .t4-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: center;
  position: relative; z-index: 2; }
.hero-copy { position: relative; z-index: 3; }
.hero .eyebrow { color: var(--red-400); }
.hero .eyebrow::before { background: var(--red-400); }
.hero h1 {
  font-family: var(--font-display); font-weight: var(--fw-regular); text-transform: none;
  line-height: 1.05; letter-spacing: var(--ls-tight); margin-top: var(--space-5);
  font-size: clamp(2.4rem, 4.6vw, 4.4rem); color: #fff;
}
.hero h1 .red { color: var(--red-400); }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: block; }
@media (prefers-reduced-motion: no-preference) {
  .hero.t4-armed h1 .line > span { transform: translateY(102%); }
  .hero.t4-armed.is-in h1 .line > span { transform: translateY(0); transition: transform .9s var(--ease-out); }
  .hero.t4-armed.is-in h1 .line:nth-child(2) > span { transition-delay: .08s; }
  .hero.t4-armed.is-in h1 .line:nth-child(3) > span { transition-delay: .16s; }
}
.hero .lead { margin-top: var(--space-5); font-size: var(--fs-md); color: var(--steel-300); max-width: 42ch;
  padding-left: var(--space-4); border-left: 2px solid var(--brand); }
.hero .hero-cta { margin-top: var(--space-7); display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,.28); }
.hero .btn-ghost:hover { background: #fff; color: var(--steel-900); border-color: #fff; }

/* machine whole over a red vertical block — auto vitrine */
.hero-media { position: relative; align-self: stretch; min-height: 520px; display: flex; align-items: center; justify-content: center; }
.hero-media .redblock { position: absolute; top: 0; bottom: 0; left: 28%; width: 30%;
  background: var(--brand); transform-origin: bottom center; transform: scaleY(1); }
.hero-media .redblock::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.25)); }
.hero-media .machine { position: relative; z-index: 2; width: auto; max-width: 112%; max-height: 500px;
  margin-left: -6%; filter: drop-shadow(0 40px 60px rgba(0,0,0,.55)); opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .hero-media .redblock { transition: transform .8s var(--ease-out); }
  .hero-media .machine { transition: opacity .5s var(--ease-out), transform .6s var(--ease-out); }
  .hero-media.swapping .redblock { transform: scaleY(0); }
  .hero-media.swapping .machine { opacity: 0; transform: translateY(24px) scale(.985); }
}
.hero-media .pageidx { position: absolute; left: 0; bottom: -8px; z-index: 3; display: flex; align-items: baseline; gap: 8px;
  font-family: var(--font-display); color: #fff; }
.hero-media .pageidx .big { font-weight: var(--fw-bold); font-size: var(--fs-2xl); line-height: 1; }
.hero-media .pageidx .sm { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--steel-500); }
@media (max-width: 940px) {
  .hero { min-height: 0; padding-top: 116px; }
  .hero .t4-wrap { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero-media { min-height: 360px; order: 2; }
  .hero-media .redblock { left: 20%; width: 42%; }
  .hero-media .machine { width: 100%; margin-left: 0; }
  .hero-media .pageidx { display: none; }
}

/* ======================================================================
   MARQUEE
   ====================================================================== */
.marquee { background: var(--steel-950); color: #fff; overflow: hidden; padding: var(--space-4) 0;
  border-top: 3px solid var(--brand); }
.marquee .track { display: inline-flex; gap: var(--space-6); white-space: nowrap;
  will-change: transform; animation: marquee 26s linear infinite; }
.marquee:hover .track { animation-play-state: paused; }
.marquee span { font-family: var(--font-display); font-weight: var(--fw-extra);
  text-transform: uppercase; font-size: clamp(1.2rem, 2.6vw, 2rem); letter-spacing: var(--ls-tight);
  display: inline-flex; align-items: center; gap: var(--space-6); }
.marquee .dot { width: 12px; height: 12px; background: var(--brand); border-radius: 50%; flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee .track { animation: none; } }

/* ======================================================================
   VITRINE / EVENTS
   ====================================================================== */
/* ======================================================================
   SPOTLIGHT — vitrine de destaques (imersiva, escura)
   ====================================================================== */
.spotlight { position: relative; background: var(--steel-950); color: #fff; padding: var(--space-11) 0; overflow: hidden; }
.spotlight::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 95% at 82% -10%, rgba(236,51,54,.18), transparent 55%); }
.spotlight::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 72px 72px; -webkit-mask-image: linear-gradient(180deg, #000, transparent 62%); mask-image: linear-gradient(180deg, #000, transparent 62%); }
.spotlight .t4-wrap { position: relative; z-index: 2; }

.spot-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-7);
  padding-bottom: var(--space-5); border-bottom: 1px solid rgba(255,255,255,.1); }
.spot-eyebrow { display: inline-flex; align-items: center; gap: 14px; font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: .18em; font-size: var(--fs-xs); color: #fff; }
.spot-eyebrow .pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--brand); position: relative; flex: 0 0 auto; }
.spot-eyebrow .pulse::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--brand); }
@media (prefers-reduced-motion: no-preference) { .spot-eyebrow .pulse::after { animation: spotpulse 1.9s ease-out infinite; } }
@keyframes spotpulse { 0% { transform: scale(.55); opacity: .9; } 100% { transform: scale(1.7); opacity: 0; } }
.spot-count { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--steel-500); }
.spot-count #spotIdx { color: #fff; font-weight: 600; }

.spot-main { display: grid; grid-template-columns: 1.55fr 1fr; gap: var(--space-8); align-items: center; }
.spot-stage { position: relative; aspect-ratio: 16 / 10; }
.spot-slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.03);
  transition: opacity .8s var(--ease-out), transform 1s var(--ease-out); pointer-events: none; }
.spot-slide.active { opacity: 1; transform: none; pointer-events: auto; }
.spot-slide .frame { position: absolute; inset: 0; overflow: hidden; background: var(--steel-900);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  box-shadow: 0 40px 90px rgba(0,0,0,.55); }
.spot-slide img { width: 100%; height: 100%; object-fit: cover; }
.spot-slide.fit-contain img { object-fit: contain; object-position: center; background: var(--steel-950); }
.spot-slide .frame::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 55%, rgba(0,0,0,.4)); }
.spot-slide .corner-h { position: absolute; left: 0; top: 0; width: 58px; height: 6px; background: var(--brand); z-index: 2; }
.spot-slide .corner-v { position: absolute; left: 0; top: 0; width: 6px; height: 58px; background: var(--brand); z-index: 2; }

.spot-info { display: flex; flex-direction: column; align-items: flex-start; }
.spot-badge { display: inline-flex; align-items: center; font-family: var(--font-mono); font-size: var(--fs-xs);
  text-transform: uppercase; letter-spacing: .14em; background: var(--brand); color: #fff; padding: 6px 13px; }
.spot-title { font-family: var(--font-display); font-weight: var(--fw-medium); text-transform: none;
  font-size: clamp(1.7rem, 2.9vw, 2.6rem); line-height: 1.06; letter-spacing: var(--ls-tight);
  margin-top: var(--space-4); color: #fff; }
.spot-loc { display: flex; align-items: center; gap: 9px; margin-top: var(--space-4);
  font-size: var(--fs-sm); color: var(--steel-300); }
.spot-loc svg { width: 16px; height: 16px; flex: 0 0 auto; color: var(--red-400); }
.spot-cd { display: flex; align-items: baseline; gap: 12px; margin-top: var(--space-6);
  padding: var(--space-4) 0; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); width: 100%; }
.spot-cd .cd-num { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1; color: var(--red-400); font-variant-numeric: tabular-nums; }
.spot-cd .cd-lbl { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .1em;
  font-size: var(--fs-xs); color: var(--steel-400); }
.spot-cd .cd-when { margin-left: auto; font-family: var(--font-mono); font-size: var(--fs-sm); color: #fff; letter-spacing: .04em; }
.spot-info p { color: var(--steel-300); margin-top: var(--space-5); max-width: 46ch; font-size: var(--fs-md); }
.spot-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-6); }
.spotlight .btn-ghost { color: #fff; border-color: rgba(255,255,255,.28); }
.spotlight .btn-ghost:hover { background: #fff; color: var(--steel-900); border-color: #fff; }

.spot-rail { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: var(--space-4); margin-top: var(--space-8); }
.rail-card { position: relative; text-align: left; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1);
  border-radius: 0; padding: var(--space-4); cursor: pointer; overflow: hidden; display: flex; gap: 14px; align-items: center;
  transition: background var(--dur-base), border-color var(--dur-base); }
.rail-card:hover { background: rgba(255,255,255,.08); }
.rail-card.active { border-color: var(--brand); background: rgba(236,51,54,.12); }
.rail-card .rc-thumb { width: 72px; height: 52px; object-fit: cover; flex: 0 0 auto; background: var(--steel-800); }
.rail-card .rc-thumb.ph { display: grid; place-items: center; font-family: var(--font-display); font-weight: var(--fw-bold);
  color: var(--red-400); font-size: var(--fs-lg); background: var(--steel-900); }
.rail-card .rc-date { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--red-400); letter-spacing: .06em; }
.rail-card .rc-title { font-family: var(--font-display); font-weight: var(--fw-medium); font-size: var(--fs-sm);
  line-height: 1.16; margin-top: 3px; color: #fff; }
.rail-card .rc-prog { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--brand);
  transform: scaleX(0); transform-origin: 0 50%; }
@media (prefers-reduced-motion: no-preference) { .rail-card.active .rc-prog { animation: railprog 6s linear forwards; } }
@keyframes railprog { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.rail-soon { display: flex; align-items: center; justify-content: center; gap: 11px; cursor: default;
  border: 1px dashed rgba(255,255,255,.22); background: transparent; color: var(--steel-400); padding: var(--space-4);
  font-family: var(--font-mono); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .12em; text-align: center; }
.rail-soon .plus { width: 24px; height: 24px; border: 1px solid var(--steel-500); border-radius: 50%; display: grid; place-items: center; flex: 0 0 auto; }
.rail-soon .plus::before { content: "+"; font-size: 16px; line-height: 1; color: var(--steel-300); }

@media (max-width: 860px) {
  .spot-main { grid-template-columns: 1fr; gap: var(--space-6); }
  .spot-stage { order: 1; }
  .spot-info { order: 2; }
  .spot-rail { grid-auto-flow: row; grid-auto-columns: auto; grid-template-columns: 1fr; }
}

/* ======================================================================
   STATS (marker)
   ====================================================================== */
.stats { padding: var(--space-10) 0; }
.stats .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.stat .num { font-family: var(--font-display); font-weight: var(--fw-bold); line-height: .92;
  font-size: clamp(2.4rem, 4.2vw, 3.6rem); color: var(--text-strong); display: flex; align-items: flex-start; }
.stat .num .unit { font-size: .38em; color: var(--brand); margin-left: 6px; margin-top: .35em;
  font-family: var(--font-mono); font-weight: 600; }
.stat .num .dot { width: 14px; height: 14px; background: var(--brand); border-radius: 50%;
  margin-left: 10px; margin-top: .22em; }
.stat .bar { width: 46px; height: 3px; background: var(--brand); margin: var(--space-4) 0; }
.stat .lbl { font-size: var(--fs-sm); color: var(--text-muted); text-transform: uppercase;
  letter-spacing: var(--ls-wide); font-family: var(--font-display); font-weight: var(--fw-medium); }
@media (max-width: 860px) { .stats .grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-8) var(--space-6); } }

/* ======================================================================
   PRODUCTS (horizontal pinned scroll)
   ====================================================================== */
.products { background: var(--steel-50); }
.products .p-intro { padding: var(--space-10) 0 var(--space-7); }
.products .p-intro .t4-wrap { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-6); flex-wrap: wrap; }
.products .p-hint { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-faint);
  text-transform: uppercase; letter-spacing: .1em; display: flex; align-items: center; gap: 10px; }
.products .p-hint .arr { animation: nudge 1.6s var(--ease-standard) infinite; }
@keyframes nudge { 0%,100% { transform: translateX(0); } 50% { transform: translateX(6px); } }

.p-pin { --pinH: clamp(600px, 74vh, 700px); height: var(--pinH); position: sticky; top: calc((100vh - var(--pinH)) / 2); display: flex; align-items: center; overflow: hidden; }
.p-track { display: flex; gap: var(--space-6); padding: 0 var(--space-6); will-change: transform; }
.p-card { position: relative; flex: 0 0 min(78vw, 920px); background: #fff; border: 1px solid var(--border-subtle);
  display: grid; grid-template-columns: 1fr 1fr; min-height: clamp(480px, 56vh, 560px); box-shadow: var(--shadow-sm);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%); }
.p-card[data-accent="blue"] { --pc: var(--services); }
.p-card { --pc: var(--brand); }
.p-card .p-media { position: relative; background: var(--steel-50); overflow: hidden; }
.p-card .p-media img { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; object-position: center; padding: 7%; }
.p-card .p-media.contain img { object-fit: contain; padding: 12%; background: #fff; }
.p-card .p-media .curtain { position: absolute; inset: 0; background: var(--pc); transform-origin: bottom;
  transform: scaleY(0); transition: transform .9s var(--ease-out); z-index: 2; }
@media (prefers-reduced-motion: no-preference) {
  .p-card.t4-armed .p-media .curtain { transform: scaleY(1); }
  .p-card.t4-armed.revealed .p-media .curtain { transform: scaleY(0); }
}
.p-card .p-idx { position: absolute; top: var(--space-4); left: var(--space-4); z-index: 3;
  font-family: var(--font-mono); color: #fff; mix-blend-mode: difference; font-size: var(--fs-sm); letter-spacing: .1em; }
.p-card .p-body { padding: var(--space-7); display: flex; flex-direction: column; }
.p-card .p-cat { font-family: var(--font-display); text-transform: uppercase; font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide); font-size: var(--fs-xs); color: var(--pc); }
.p-card h3 { font-family: var(--font-display); font-weight: var(--fw-semibold); text-transform: none;
  font-size: clamp(1.6rem, 2.6vw, 2.3rem); line-height: 1.04; margin-top: var(--space-2); color: var(--text-strong); letter-spacing: var(--ls-tight); }
.p-card .p-headline { color: var(--text-muted); margin-top: var(--space-3); font-size: var(--fs-md); }
.p-card .p-specs { margin-top: auto; padding-top: var(--space-5); display: grid; gap: var(--space-3); }
.p-spec { border-top: 1px solid var(--border-subtle); padding-top: var(--space-3); }
.p-spec .c { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  color: var(--text-strong); font-size: var(--fs-sm); letter-spacing: .02em; }
.p-spec .b { font-size: var(--fs-sm); color: var(--text-muted); margin-top: 2px; }
.p-card .p-foot { margin-top: var(--space-5); display: flex; gap: var(--space-4); align-items: center; flex-wrap: wrap; }
.p-card .p-phone { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono);
  color: var(--services); font-size: var(--fs-sm); }
.p-card .p-phone .ring { width: 34px; height: 34px; border-radius: 50%; background: var(--services);
  color: #fff; display: grid; place-items: center; }
@media (max-width: 760px) {
  .p-pin { height: auto; position: static; display: block; padding: var(--space-7) 0; }
  .p-track { flex-direction: column; transform: none !important; padding: 0 var(--space-4); }
  .p-card { flex: none; width: 100%; grid-template-columns: 1fr; min-height: 0; }
  .p-card .p-media { aspect-ratio: 4/3; position: relative; }
  .p-card .p-media img { position: absolute; }
}

/* ======================================================================
   STATEMENT
   ====================================================================== */
.statement { padding: var(--space-12) 0; background: #fff; overflow: hidden; }
.statement::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(-58deg, transparent 0 54px, rgba(55,52,54,.04) 54px 55px); }
.statement .t4-wrap { position: relative; }
.statement .big { font-family: var(--font-display); font-weight: var(--fw-regular); text-transform: none;
  letter-spacing: var(--ls-tight); line-height: 1.08; font-size: clamp(2rem, 4vw, 3.4rem); color: var(--text-strong); max-width: 20ch; }
.statement .big .red { color: var(--brand); }
.statement .s-foot { display: flex; gap: var(--space-9); margin-top: var(--space-8); flex-wrap: wrap; }
.statement .s-foot .it .k { font-family: var(--font-display); font-weight: var(--fw-extra); font-size: var(--fs-3xl);
  color: var(--text-strong); }
.statement .s-foot .it .k .dot { display: inline-block; width: 10px; height: 10px; background: var(--brand);
  border-radius: 50%; margin-left: 6px; vertical-align: middle; }
.statement .s-foot .it .v { font-size: var(--fs-sm); color: var(--text-muted); text-transform: uppercase;
  letter-spacing: var(--ls-wide); margin-top: 6px; }

/* ======================================================================
   PLATFORM showcase (dark)
   ====================================================================== */
.platform { background: var(--steel-950); color: #fff; padding: var(--space-12) 0; overflow: hidden; }
.platform::after { content: ""; position: absolute; top: 0; right: 0; width: 40%; height: 100%;
  background: repeating-linear-gradient(-58deg, transparent 0 34px, rgba(236,51,54,.08) 34px 35px);
  mask-image: linear-gradient(270deg, #000, transparent); pointer-events: none; }
.platform .t4-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--space-8); align-items: center; }
.platform h2 { color: #fff; font-family: var(--font-display); font-weight: var(--fw-regular);
  text-transform: none; line-height: 1.08; font-size: clamp(1.7rem, 3vw, 2.7rem); margin-top: var(--space-4); letter-spacing: var(--ls-tight); }
.platform h2 .red { color: var(--red-400); }
.platform p { color: var(--steel-300); margin-top: var(--space-4); font-size: var(--fs-lg); max-width: 46ch; }
.platform .feat { display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.platform .feat .fi { display: flex; gap: var(--space-3); align-items: baseline;
  border-top: 1px solid rgba(255,255,255,.1); padding-top: var(--space-3); }
.platform .feat .fi .d { width: 8px; height: 8px; background: var(--red-500); border-radius: 50%; flex: none; transform: translateY(-2px); }
.platform .feat .fi b { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .02em;
  color: #fff; font-weight: var(--fw-bold); font-size: var(--fs-sm); }
.platform .feat .fi span { color: var(--steel-400); font-size: var(--fs-sm); margin-left: 6px; }
.platform .p-shot { position: relative; }
.platform .p-shot .frame { overflow: visible; background: transparent; box-shadow: none; clip-path: none; }
.platform .p-shot .frame img { width: 100%; display: block; filter: drop-shadow(0 30px 60px rgba(0,0,0,.5)); }
.platform .p-shot .tagchip { position: absolute; left: 0; top: -14px; background: var(--brand); color: #fff;
  font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .1em; padding: 8px 14px; text-transform: uppercase; z-index: 2; }
@media (max-width: 860px) { .platform .t4-wrap { grid-template-columns: 1fr; } }

/* ======================================================================
   SOCIAL PROOF — testimonials + clients
   ====================================================================== */
.proof { padding: var(--space-12) 0; }
.proof .head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-6);
  flex-wrap: wrap; margin-bottom: var(--space-7); }
.t-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.t-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm); transition: box-shadow var(--dur-base), transform var(--dur-base); overflow: hidden; }
.t-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.t-card .t-photo { position: relative; aspect-ratio: 16/9; background: var(--steel-200); overflow: hidden; }
.t-card .t-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.t-card .t-photo .ph { position: absolute; inset: 0; }
.t-card .t-cat { position: absolute; left: 0; bottom: 0; background: var(--brand); color: #fff;
  font-family: var(--font-mono); font-size: var(--fs-2xs); letter-spacing: .1em; text-transform: uppercase; padding: 5px 10px; z-index: 2; }
.t-card .t-body { padding: var(--space-5); display: flex; flex-direction: column; }
.t-card .t-quote { font-size: var(--fs-md); color: var(--text-body); line-height: var(--lh-relaxed); }
.t-card .t-quote::before { content: "“"; color: var(--brand); font-family: var(--font-display);
  font-weight: var(--fw-extra); font-size: 2.4em; line-height: 0; vertical-align: -0.35em; margin-right: 6px; }
.t-card .t-by { margin-top: auto; padding-top: var(--space-4); }
.t-card .t-by .nm { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  color: var(--text-strong); letter-spacing: .02em; }
.t-card .t-by .og { font-size: var(--fs-sm); color: var(--text-muted); margin-top: 2px; }
.t-card .t-by .sol { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--brand); margin-top: 4px;
  letter-spacing: .06em; }
@media (max-width: 860px) { .t-grid { grid-template-columns: 1fr; } }

.clients { margin-top: var(--space-9); border-top: 1px solid var(--border-subtle); padding-top: var(--space-7); }
.clients .c-lbl { font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--ls-wide);
  font-size: var(--fs-xs); color: var(--text-faint); font-weight: var(--fw-bold); margin-bottom: var(--space-5); }
.c-marquee { overflow: hidden; }
.c-marquee .ctrack { display: inline-flex; gap: var(--space-8); align-items: center; white-space: nowrap;
  animation: marquee 32s linear infinite; }
.c-marquee:hover .ctrack { animation-play-state: paused; }
.c-logo { font-family: var(--font-display); font-weight: var(--fw-extra); font-size: var(--fs-2xl);
  color: var(--steel-300); letter-spacing: var(--ls-tight); transition: color var(--dur-base); cursor: default; }
.c-logo:hover { color: var(--ink); }
@media (prefers-reduced-motion: reduce) { .c-marquee .ctrack { animation: none; flex-wrap: wrap; } }

/* ======================================================================
   TEAM
   ====================================================================== */
.team { padding: var(--space-12) 0; background: var(--steel-950); color: #fff; overflow: hidden; }
.team .head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-6); flex-wrap: wrap; }
.team h2 { color: #fff; }
.team .tm-track { display: flex; gap: var(--space-5); margin-top: var(--space-8); }
.tm-card { flex: 0 0 300px; cursor: pointer; position: relative; }
.tm-card .tm-photo { position: relative; aspect-ratio: 3/4; background: var(--steel-800); overflow: hidden;
  filter: grayscale(1) contrast(1.05) brightness(.85); transition: filter var(--dur-slow); }
.tm-card .tm-photo .block { position: absolute; inset: auto 0 0 0; height: 0; background: var(--brand);
  transition: height var(--dur-slow) var(--ease-out); z-index: 0; }
.tm-card .tm-photo .ph { position: absolute; inset: 0; z-index: 1; mix-blend-mode: multiply; }
.tm-card:hover .tm-photo { filter: none; }
.tm-card:hover .tm-photo .block { height: 42%; }
.tm-card .tm-under { width: 0; height: 3px; background: var(--brand); transition: width var(--dur-slow); margin-top: 0; }
.tm-card:hover .tm-under { width: 100%; }
.tm-card .nm { font-family: var(--font-display); font-weight: var(--fw-extra); text-transform: uppercase;
  font-size: var(--fs-xl); margin-top: var(--space-4); color: #fff; }
.tm-card .rl { font-size: var(--fs-sm); color: var(--steel-400); margin-top: 4px; }
.team .tm-foot { display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-7); }
.team .arrows { display: flex; gap: var(--space-3); }
.team .arrows button { width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.22); background: transparent;
  color: #fff; cursor: pointer; border-radius: 50%; display: grid; place-items: center; transition: background var(--dur-base), border-color var(--dur-base); }
.team .arrows button:hover { background: var(--brand); border-color: var(--brand); }
.team .arrows button:disabled { opacity: .3; cursor: not-allowed; }

/* Team bio modal */
.bio-modal { position: fixed; inset: 0; z-index: 95; display: none; align-items: center; justify-content: center;
  padding: var(--space-5); }
.bio-modal.open { display: flex; }
.bio-modal .scrim { position: absolute; inset: 0; background: rgba(10,9,10,.7); backdrop-filter: blur(4px); }
.bio-card { position: relative; background: #fff; max-width: 720px; width: 100%; display: grid;
  grid-template-columns: 260px 1fr; box-shadow: var(--shadow-xl); }
html.t4-anim .bio-modal .scrim { opacity: 0; transition: opacity var(--dur-base); }
html.t4-anim .bio-modal.open .scrim { opacity: 1; }
html.t4-anim .bio-card { transform: translateY(20px); opacity: 0;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-slow); }
html.t4-anim .bio-modal.open .bio-card { transform: none; opacity: 1; }
.bio-card .bio-photo { position: relative; background: var(--steel-200); }
.bio-card .bio-photo .ph { position: absolute; inset: 0; }
.bio-card .bio-photo .blk { position: absolute; inset: auto 0 0 0; height: 38%; background: var(--brand); }
.bio-card .bio-info { padding: var(--space-7); }
.bio-card .bio-info .nm { font-family: var(--font-display); font-weight: var(--fw-extra); text-transform: uppercase;
  font-size: var(--fs-2xl); color: var(--text-strong); }
.bio-card .bio-info .rl { color: var(--brand); font-family: var(--font-mono); font-size: var(--fs-sm); margin-top: 4px; }
.bio-card .bio-info .bd { margin-top: var(--space-4); color: var(--text-body); line-height: var(--lh-relaxed); }
.bio-card .bio-close { position: absolute; top: var(--space-4); right: var(--space-4); width: 40px; height: 40px;
  border: 0; background: var(--steel-900); color: #fff; cursor: pointer; border-radius: 50%; font-size: 18px; z-index: 2; }
.bio-card .bio-close:hover { background: var(--brand); }
@media (max-width: 620px) { .bio-card { grid-template-columns: 1fr; } .bio-card .bio-photo { aspect-ratio: 16/10; } }

/* ======================================================================
   BLOG (dark masonry)
   ====================================================================== */
.blog { background: var(--steel-950); color: #fff; padding: var(--space-10) 0 var(--space-12); }
.blog .crumb { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--steel-500); letter-spacing: .08em;
  text-transform: uppercase; }
.blog .crumb .red { color: var(--red-400); }
.blog h2 { color: #fff; font-family: var(--font-display); font-weight: var(--fw-regular); text-transform: none;
  font-size: clamp(2.2rem, 4.6vw, 3.6rem); line-height: 1.02; letter-spacing: var(--ls-tight); margin: var(--space-4) 0 var(--space-6); }
.pills { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-7); }
.pill { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  letter-spacing: .06em; font-size: var(--fs-xs); padding: 9px 18px; border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,.2); background: transparent; color: var(--steel-300); cursor: pointer;
  transition: all var(--dur-base); }
.pill:hover { border-color: #fff; color: #fff; }
.pill.active { background: var(--brand); border-color: var(--brand); color: #fff; }

.masonry { columns: 2; column-gap: var(--space-6); }
.post { break-inside: avoid; margin-bottom: var(--space-5); background: var(--steel-900); border: 1px solid rgba(255,255,255,.07);
  overflow: hidden; cursor: pointer; transition: transform var(--dur-base), border-color var(--dur-base); }
.post:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.18); }
.post .pimg { position: relative; aspect-ratio: 16/11; overflow: hidden; }
.post.lg .pimg { aspect-ratio: 16/9; }
.post .pimg .ph { position: absolute; inset: 0; filter: grayscale(1) brightness(.8); transition: filter var(--dur-slow), transform var(--dur-slow); }
.post:hover .pimg .ph { filter: none; transform: scale(1.05); }
.post.round { background: transparent; border: 0; text-align: center; }
.post.round .pimg { aspect-ratio: 1; border-radius: 50%; width: calc(100% - 48px); margin: 0 auto; border: 1px solid rgba(255,255,255,.1); }
.post.round .pbody { padding: var(--space-4) var(--space-2) 0; }
.post.round .pcat { display: inline-block; }
.post.round:hover { transform: translateY(-3px); }
.post .pbody { padding: var(--space-5); }
.post .pcat { font-family: var(--font-mono); font-size: var(--fs-2xs); letter-spacing: .1em; text-transform: uppercase;
  color: #fff; background: rgba(236,51,54,.9); padding: 4px 9px; }
.post h3 { color: #fff; font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  font-size: var(--fs-lg); line-height: 1.05; margin-top: var(--space-3); transition: color var(--dur-base); }
.post.lg h3 { font-size: var(--fs-2xl); }
.post:hover h3 { color: var(--red-400); }
.post p { color: var(--steel-400); font-size: var(--fs-sm); margin-top: var(--space-2); }
.blog .more-row { display: flex; justify-content: center; margin-top: var(--space-8); }
.circle-btn { width: 132px; height: 132px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25);
  background: transparent; color: #fff; cursor: pointer; font-family: var(--font-display); font-weight: var(--fw-bold);
  text-transform: uppercase; letter-spacing: .06em; font-size: var(--fs-xs); transition: all var(--dur-base); }
.circle-btn:hover { background: var(--brand); border-color: var(--brand); transform: scale(1.04); }
@media (max-width: 720px) { .masonry { columns: 1; } }
@media (max-width: 600px) { .masonry { columns: 1; } .post.round { border-radius: 0; aspect-ratio: auto; } .post.round .pimg { position: relative; aspect-ratio: 16/11; border-radius: 0; } }

/* ======================================================================
   DOWNLOADS
   ====================================================================== */
.downloads { padding: var(--space-12) 0; background: var(--steel-50); }
.dl-cats { display: flex; gap: var(--space-3); flex-wrap: wrap; margin: var(--space-6) 0; }
.dl-cat { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: .05em;
  font-size: var(--fs-xs); padding: 9px 18px; border: 1px solid var(--border-default); background: #fff; color: var(--text-body);
  cursor: pointer; transition: all var(--dur-base); }
.dl-cat:hover { border-color: var(--steel-900); }
.dl-cat.active { background: var(--steel-900); border-color: var(--steel-900); color: #fff; }
.dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.dl-item { display: flex; align-items: center; gap: var(--space-4); background: #fff; border: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-5); transition: border-color var(--dur-base), box-shadow var(--dur-base); text-decoration: none; }
.dl-item:hover { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.dl-item .ico { width: 46px; height: 56px; flex: none; background: var(--steel-100); position: relative;
  clip-path: polygon(0 0, 72% 0, 100% 22%, 100% 100%, 0 100%); display: grid; place-items: end center; padding-bottom: 8px; }
.dl-item .ico .ext { font-family: var(--font-mono); font-size: 9px; font-weight: 600; color: var(--brand); letter-spacing: .04em; }
.dl-item.ebook .ico { background: var(--red-50); }
.dl-item .meta { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; }
.dl-item .nm { font-weight: var(--fw-semibold); color: var(--text-strong); font-size: var(--fs-sm); }
.dl-item .sz { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-faint); margin-top: 2px; }
.dl-item .dlarr { margin-left: auto; color: var(--text-faint); transition: color var(--dur-base), transform var(--dur-base); }
.dl-item:hover .dlarr { color: var(--brand); transform: translateY(2px); }
.dl-item .feat-tag { font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; color: #fff; background: var(--brand);
  padding: 3px 7px; text-transform: uppercase; }
@media (max-width: 720px) { .dl-grid { grid-template-columns: 1fr; } }

/* R&D / special projects strip */
.rnd { padding: var(--space-9) 0; background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.rnd::before { content: ""; position: absolute; right: -60px; top: -60px; width: 320px; height: 320px;
  background: var(--brand); transform: rotate(45deg); opacity: .12; }
.rnd .t4-wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; position: relative; }
.rnd .rnd-copy { max-width: 640px; }
.rnd h3 { color: #fff; font-family: var(--font-display); font-weight: var(--fw-medium); text-transform: none;
  font-size: clamp(1.4rem, 2.4vw, 2rem); line-height: 1.1; letter-spacing: var(--ls-tight); }
.rnd h3 .red { color: var(--red-400); }
.rnd p { color: var(--steel-300); margin-top: var(--space-3); }

/* ======================================================================
   CONTACT (dark + big type + stylized map)
   ====================================================================== */
.contact { background: var(--steel-950); color: #fff; padding: var(--space-12) 0 0; overflow: hidden; }
.contact .c-top { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-8); align-items: start; }
.contact .c-invite { font-family: var(--font-display); font-weight: var(--fw-regular); text-transform: none;
  letter-spacing: var(--ls-tight); line-height: 1.04; font-size: clamp(2.1rem, 4vw, 3.4rem); color: #fff; margin: var(--space-4) 0 var(--space-6); }
.contact .c-invite .red { color: var(--red-400); }
.contact .c-phones { display: grid; gap: var(--space-2); }
.contact .c-phone { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255,255,255,.1); color: #fff; transition: color var(--dur-base); }
.contact .c-phone:hover { color: var(--red-400); }
.contact .c-phone .pl { font-family: var(--font-mono); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .1em;
  color: var(--steel-500); width: 130px; flex: none; }
.contact .c-phone .pn { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(1.1rem, 2.4vw, 1.7rem); margin-left: auto; }
.contact .c-side { display: flex; flex-direction: column; gap: var(--space-5); }
.contact .c-side .blk .h { font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--ls-wide);
  font-size: var(--fs-xs); color: var(--red-400); font-weight: var(--fw-bold); margin-bottom: var(--space-2); }
.contact .c-side .blk a, .contact .c-side .blk p { color: var(--steel-200); font-size: var(--fs-md); }
.contact .c-side .blk a:hover { color: #fff; }
.contact .c-socials { display: flex; gap: var(--space-3); }
.contact .c-socials a { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.2); display: grid; place-items: center;
  border-radius: 50%; color: #fff; transition: background var(--dur-base), border-color var(--dur-base); }
.contact .c-socials a:hover { background: var(--brand); border-color: var(--brand); }

.map-wrap { margin-top: var(--space-9); position: relative; height: 420px; border-top: 1px solid rgba(255,255,255,.12); overflow: hidden; }
.map-wrap .map-frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
  filter: invert(0.92) hue-rotate(180deg) saturate(.72) contrast(.9) brightness(.95); }
.map-wrap .map-grad { position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 130px 26px rgba(10,9,10,.85);
  background: linear-gradient(180deg, rgba(10,9,10,.55), transparent 22%, transparent 80%, rgba(10,9,10,.55)); }
.map-wrap .pin { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -100%); z-index: 3; pointer-events: none; }
.map-wrap .pin .dot2 { width: 18px; height: 18px; background: var(--brand); border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg); box-shadow: 0 0 0 6px rgba(236,51,54,.25), var(--shadow-brand); }
.map-wrap .pin .lbl { position: absolute; top: -46px; left: 50%; transform: translateX(-50%); white-space: nowrap;
  background: #fff; color: var(--steel-900); font-family: var(--font-display); font-weight: var(--fw-bold);
  text-transform: uppercase; font-size: var(--fs-xs); letter-spacing: .04em; padding: 6px 12px; }
.map-wrap .pin .pulse { position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; transform: translate(-50%,-50%);
  border-radius: 50%; background: var(--brand); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { transform: translate(-50%,-50%) scale(1); opacity: .6; } 100% { transform: translate(-50%,-50%) scale(6); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .map-wrap .pin .pulse { animation: none; } }
@media (max-width: 860px) { .contact .c-top { grid-template-columns: 1fr; } .contact .c-phone .pl { width: 96px; } }

/* ======================================================================
   FOOTER
   ====================================================================== */
.site-footer { background: #0a090a; color: var(--steel-400); padding: var(--space-10) 0 var(--space-7); }
.site-footer .f-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-7); }
.site-footer .f-brand img { height: 40px; margin-bottom: var(--space-4); }
.site-footer .f-brand p { color: var(--steel-500); font-size: var(--fs-sm); max-width: 32ch; }
.site-footer .f-col h4 { font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--ls-wide);
  font-size: var(--fs-xs); color: #fff; font-weight: var(--fw-bold); margin-bottom: var(--space-4); }
.site-footer .f-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.site-footer .f-col a { color: var(--steel-400); font-size: var(--fs-sm); transition: color var(--dur-fast); }
.site-footer .f-col a:hover { color: var(--red-400); }
.site-footer .f-contact .ci { font-size: var(--fs-sm); color: var(--steel-400); margin-bottom: var(--space-3); }
.site-footer .f-contact .ci b { color: #fff; font-weight: var(--fw-semibold); display: block; font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .04em; }
.site-footer .f-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-4);
  margin-top: var(--space-9); padding-top: var(--space-5); border-top: 1px solid rgba(255,255,255,.08);
  font-size: var(--fs-xs); color: var(--steel-600); font-family: var(--font-mono); }
.site-footer .f-bottom a { color: var(--steel-500); }
.site-footer .f-bottom a:hover { color: #fff; }
@media (max-width: 860px) { .site-footer .f-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .site-footer .f-grid { grid-template-columns: 1fr; } }

/* ======================================================================
   TECH4 SERVICES (blue sub-brand)
   ====================================================================== */
.services-sec { padding: var(--space-12) 0; background: var(--steel-50); position: relative; overflow: hidden; }
.services-sec::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(-58deg, transparent 0 50px, rgba(42,111,219,.05) 50px 51px);
  mask-image: linear-gradient(270deg, #000, transparent 55%); }
.services-sec .t4-wrap { position: relative; }
.services-sec .eyebrow { color: var(--services); }
.services-sec .eyebrow::before { background: var(--services); }
.services-sec .s-top { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-8); align-items: end; }
.services-sec h2 { font-family: var(--font-display); font-weight: var(--fw-medium); text-transform: none;
  letter-spacing: var(--ls-tight); line-height: 1.06; font-size: clamp(1.8rem, 3.4vw, 2.9rem); margin-top: var(--space-4);
  color: var(--text-strong); }
.services-sec h2 .blue { color: var(--services); }
.services-sec .s-lead { font-size: var(--fs-lg); color: var(--text-muted); max-width: 52ch; margin-top: var(--space-4); }
/* SAC call card */
.sac-card { background: var(--steel-950); color: #fff; padding: var(--space-6); position: relative; overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%); box-shadow: var(--shadow-lg); }
.sac-card::after { content: ""; position: absolute; right: -40px; top: -40px; width: 180px; height: 180px;
  background: var(--services); opacity: .18; transform: rotate(45deg); }
.sac-card .sac-l { font-family: var(--font-display); text-transform: uppercase; letter-spacing: var(--ls-wide);
  font-size: var(--fs-xs); color: var(--services-100); font-weight: var(--fw-bold); position: relative; }
.sac-card .sac-row { display: flex; align-items: center; gap: var(--space-4); margin-top: var(--space-4); position: relative; }
.sac-card .sac-ring { width: 64px; height: 64px; border-radius: 50%; background: var(--services); color: #fff;
  display: grid; place-items: center; flex: none; box-shadow: 0 0 0 8px rgba(42,111,219,.2); transition: transform var(--dur-base); }
.sac-card a:hover .sac-ring { transform: scale(1.06); }
.sac-card .sac-num { font-family: var(--font-display); font-weight: var(--fw-extra); font-size: clamp(1.4rem, 3vw, 2rem);
  color: #fff; line-height: 1; display: block; }
.sac-card .sac-note { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--steel-400); margin-top: 6px; display: block; }
.sac-card a { display: flex; align-items: center; gap: var(--space-4); color: #fff; }
.s-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); margin-top: var(--space-8); }
.s-item { background: #fff; border: 1px solid var(--border-subtle); border-top: 3px solid var(--services);
  padding: var(--space-5); transition: transform var(--dur-base), box-shadow var(--dur-base); }
.s-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.s-item .si-n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--services); letter-spacing: .1em; }
.s-item .si-t { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  color: var(--text-strong); font-size: var(--fs-md); letter-spacing: .02em; margin-top: var(--space-2); line-height: 1.05; }
.s-item .si-d { font-size: var(--fs-sm); color: var(--text-muted); margin-top: var(--space-2); }
.s-courses { display: flex; align-items: center; gap: var(--space-5); margin-top: var(--space-6); background: #fff;
  border: 1px dashed var(--services-400); padding: var(--space-5) var(--space-6); flex-wrap: wrap; }
.s-courses .sc-tag { font-family: var(--font-mono); font-size: var(--fs-2xs); letter-spacing: .12em; text-transform: uppercase;
  color: #fff; background: var(--services); padding: 6px 12px; flex: none; white-space: nowrap; }
.s-courses .sc-t { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  color: var(--text-strong); letter-spacing: .02em; }
.s-courses .sc-d { font-size: var(--fs-sm); color: var(--text-muted); }
.s-courses .sc-lock { margin-left: auto; color: var(--services); }
@media (max-width: 900px) { .services-sec .s-top { grid-template-columns: 1fr; } .s-grid { grid-template-columns: 1fr; } }

/* ======================================================================
   ARTICLE READER (shared by blog + testimonials)
   ====================================================================== */
.reader { position: fixed; inset: 0; z-index: 100; background: var(--steel-0); overflow-y: auto;
  visibility: hidden; opacity: 0; }
.reader.open { visibility: visible; opacity: 1; }
html.t4-anim .reader { transform: translateY(28px); transition: opacity .5s var(--ease-out), transform .5s var(--ease-out), visibility 0s linear .5s; }
html.t4-anim .reader.open { transform: none; transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
.reader-bar { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle); height: 68px; display: flex; align-items: center; }
.reader-bar .t4-wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.reader-back { display: inline-flex; align-items: center; gap: 10px; background: none; border: 0; cursor: pointer;
  font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: var(--ls-wide);
  font-size: var(--fs-sm); color: var(--text-strong); }
.reader-back svg { transition: transform var(--dur-base); }
.reader-back:hover { color: var(--brand); }
.reader-back:hover svg { transform: translateX(-4px); }
.reader-bar img { height: 30px; }
.reader-head { padding: var(--space-9) 0 var(--space-7); }
.reader-head .r-crumb { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-faint);
  letter-spacing: .08em; text-transform: uppercase; }
.reader-head .r-crumb .red { color: var(--brand); }
.reader-head .r-cat { display: inline-block; font-family: var(--font-mono); font-size: var(--fs-2xs); letter-spacing: .1em;
  text-transform: uppercase; color: #fff; background: var(--brand); padding: 5px 11px; margin: var(--space-4) 0 var(--space-4); }
.reader-head h1 { font-family: var(--font-display); font-weight: var(--fw-regular); text-transform: none;
  letter-spacing: var(--ls-tight); line-height: 1.06; font-size: clamp(1.9rem, 3.6vw, 3rem); color: var(--text-strong); max-width: 22ch; }
.reader-head .r-lead { font-size: var(--fs-xl); color: var(--text-muted); max-width: 60ch; margin-top: var(--space-5);
  line-height: var(--lh-snug); }
.reader-head .r-meta { display: flex; gap: var(--space-5); margin-top: var(--space-6); padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle); flex-wrap: wrap; }
.reader-head .r-meta .rm .k { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  font-size: var(--fs-sm); color: var(--text-strong); }
.reader-head .r-meta .rm .v { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-faint); margin-top: 2px; }
.reader-gallery { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 210px; gap: var(--space-4); margin: var(--space-6) 0; }
.reader-gallery .rg { width: 100%; height: 100%; }
.reader-gallery .rg.tall { grid-row: span 2; }
@media (max-width: 700px) { .reader-gallery { grid-template-columns: 1fr; grid-auto-rows: 200px; } .reader-gallery .rg.tall { grid-row: auto; } }
.reader-body { max-width: 720px; }
.reader-body p { font-size: var(--fs-lg); color: var(--text-body); line-height: var(--lh-relaxed); margin-bottom: var(--space-5); }
.reader-quote { max-width: 880px; margin: var(--space-8) 0; background: var(--steel-50); border-left: 4px solid var(--brand);
  padding: var(--space-7) var(--space-8); position: relative; }
.reader-quote::before { content: "“"; position: absolute; top: -.1em; left: 18px; font-family: var(--font-display);
  font-weight: var(--fw-extra); font-size: 6rem; color: var(--brand); opacity: .25; line-height: 1; }
.reader-quote p { font-family: var(--font-display); font-weight: var(--fw-medium); font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem); color: var(--text-strong); line-height: var(--lh-snug); position: relative; }
.reader-quote .rq-by { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--brand); margin-top: var(--space-4);
  letter-spacing: .04em; }
.reader-foot { padding: var(--space-9) 0 var(--space-12); }
.reader-foot .rf-cta { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; padding-top: var(--space-7);
  border-top: 1px solid var(--border-subtle); }
.reader-foot .rf-cta span { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  color: var(--text-strong); font-size: var(--fs-lg); }

/* Make blog posts + testimonials look clickable */
.t-card { cursor: pointer; }

/* ======================================================================
   STRIPED PLACEHOLDER (for any photo we don't have yet)
   ====================================================================== */
.t4-ph {
  background-color: var(--steel-300);
  background-image: repeating-linear-gradient(45deg, rgba(0,0,0,.05) 0 10px, transparent 10px 20px);
  display: grid; place-items: center;
}
.t4-ph .cap { font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(0,0,0,.45); padding: 4px 8px; }
.t4-ph.dark { background-color: var(--steel-700); }
.t4-ph.dark .cap { color: rgba(255,255,255,.5); }

/* WhatsApp float */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 70; width: 58px; height: 58px; border-radius: 50%;
  background: var(--green-500); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow-lg);
  transition: transform var(--dur-base); }
.wa-float:hover { transform: scale(1.08); color: #fff; }


/* ===== polish layer — best-in-class details ===== */
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 300; background: var(--brand); color: #fff;
  padding: 10px 18px; font-family: var(--font-mono); font-size: var(--fs-xs); transition: top .2s; }
.skip-link:focus { top: 16px; }
::selection { background: var(--brand); color: #fff; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

/* button: subtle directional sheen on hover */
.btn { position: relative; overflow: hidden; }
.btn::after { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.18) 50%, transparent 60%);
  transform: translateX(-120%); transition: transform .6s var(--ease-out); pointer-events: none; }
.btn:hover::after { transform: translateX(120%); }

/* cards: lift + image zoom */
.masonry .post, .dl-grid .dl-item { transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s; }
.masonry .post:hover, .dl-grid .dl-item:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(0,0,0,.14); }
.masonry .post .ph { overflow: hidden; }
.masonry .post .ph img, .masonry .post .ph > div { transition: transform .6s var(--ease-out); }
.masonry .post:hover .ph img, .masonry .post:hover .ph > div { transform: scale(1.04); }

/* refined scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: #2a282b; }
::-webkit-scrollbar-thumb:hover { background: var(--brand); }
::-webkit-scrollbar-track { background: #0c0b0c; }

/* hero: faint engineering grid texture */
.hero { background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px; }

/* WhatsApp float: pulse ring */
.wa-float::before { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid #25d366;
  opacity: 0; animation: waPing 2.6s ease-out infinite; }
@keyframes waPing { 0% { transform: scale(.8); opacity: .7; } 70% { transform: scale(1.25); opacity: 0; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .wa-float::before { animation: none; } }


/* ===== motion layer ===== */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 280;
  background: var(--brand); transform-origin: 0 50%; transform: scaleX(0); pointer-events: none; }
.site-header { transition: transform .45s cubic-bezier(.22,1,.36,1), background .3s, box-shadow .3s; }
.site-header.hdr-hidden { transform: translateY(-101%); }
.has-plx { translate: 0 var(--plx, 0); }
@media (prefers-reduced-motion: reduce) { .has-plx { translate: none; } }
/* word-stagger titles */
.wclip { display: inline-block; overflow: hidden; vertical-align: bottom; }
.wclip .w { display: inline-block; transform: translateY(110%); transition: transform .7s cubic-bezier(.22,1,.36,1); }
.w-in .wclip .w { transform: none; }
.wclip:nth-child(2) .w { transition-delay: .07s; }
.wclip:nth-child(3) .w { transition-delay: .14s; }
.wclip:nth-child(4) .w { transition-delay: .21s; }
.wclip:nth-child(5) .w { transition-delay: .28s; }
.wclip:nth-child(6) .w { transition-delay: .35s; }
.wclip:nth-child(n+7) .w { transition-delay: .42s; }
@media (prefers-reduced-motion: reduce) { .wclip .w { transform: none; transition: none; } }


/* vitrine event media (official event art) */


/* ======================================================================
   TECH4 ACADEMY — turquoise knowledge sub-brand (premium, light, airy)
   ====================================================================== */
.academy {
  --ac: #12a39b; --ac-600: #0e8f88; --ac-deep: #0b6f6a;
  --ac-soft: #e9f7f5; --ac-200: #b6e3df; --ac-tint: #f4fbfa;
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 80% at 85% -5%, var(--ac-soft), transparent 45%),
    linear-gradient(180deg, #fff, var(--steel-25));
  padding: var(--space-10) 0;
}
.academy .ac-glow { position: absolute; left: -8%; bottom: 8%; width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(18,163,155,.10), transparent 65%); pointer-events: none; }
.academy .t4-wrap { position: relative; z-index: 2; }
.academy h3 { font-family: var(--font-display); font-weight: var(--fw-medium); text-transform: none;
  letter-spacing: var(--ls-tight); line-height: 1.1; color: var(--text-strong);
  font-size: clamp(1.3rem, 2.2vw, 1.75rem); }
.ac-eyebrow { display: inline-flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest); text-transform: uppercase; color: var(--ac-600); }
.ac-eyebrow::before { content: ""; width: 30px; height: 3px; background: var(--ac); border-radius: 2px; }
.ac-eyebrow.on-dark { color: #7fe6df; }
.ac-eyebrow.on-dark::before { background: #7fe6df; }

/* hero */
.ac-hero { display: grid; grid-template-columns: 1.3fr .7fr; gap: var(--space-7); align-items: center;
  padding-bottom: var(--space-7); }
.ac-logo { height: 52px; width: auto; display: block; margin-bottom: var(--space-5); }
.ac-hero-copy h2 { font-family: var(--font-display); font-weight: var(--fw-regular); text-transform: none;
  letter-spacing: var(--ls-tight); line-height: 1.06; color: var(--text-strong);
  font-size: clamp(1.7rem, 2.9vw, 2.4rem); }
.ac-hero-copy h2 .hl { color: var(--ac-600); }
.ac-sub { margin-top: var(--space-4); font-size: var(--fs-md); color: var(--text-muted); max-width: 60ch; line-height: 1.5; }
.ac-btn { display: inline-flex; align-items: center; gap: var(--space-3); margin-top: var(--space-7);
  font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  letter-spacing: var(--ls-wide); font-size: var(--fs-sm); padding: 16px 30px; color: #fff;
  background: var(--ac); border-radius: var(--radius-sm); box-shadow: 0 10px 26px rgba(18,163,155,.28);
  transition: background var(--dur-base), transform var(--dur-fast), box-shadow var(--dur-base); }
.ac-btn:hover { background: var(--ac-600); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(18,163,155,.34); color: #fff; }
.ac-btn .arr { transition: transform var(--dur-base) var(--ease-out); }
.ac-btn:hover .arr { transform: translateX(5px); }

.ac-hero-side { position: relative; display: flex; flex-direction: column; gap: var(--space-4);
  padding: var(--space-7); background: #fff; border: 1px solid var(--ac-200);
  border-radius: var(--radius-lg); box-shadow: 0 24px 50px rgba(11,111,106,.10); overflow: hidden; }
.ac-hero-side::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--ac), #5fd6cf); }
.ac-stat { position: relative; z-index: 2; }
.ac-stat .num { font-family: var(--font-display); font-weight: var(--fw-extra); font-size: clamp(2.2rem, 4vw, 3rem);
  line-height: 1; color: var(--ac-deep); display: block; }
.ac-stat .lbl { font-family: var(--font-mono); font-size: var(--fs-xs); text-transform: uppercase;
  letter-spacing: .1em; color: var(--text-muted); margin-top: 6px; display: block; }
.ac-orbit { position: absolute; right: -70px; bottom: -70px; width: 220px; height: 220px; pointer-events: none; }
.ac-orbit span { position: absolute; inset: 0; margin: auto; border: 1.5px solid var(--ac-200); border-radius: 50%; }
.ac-orbit span:nth-child(1) { width: 220px; height: 220px; }
.ac-orbit span:nth-child(2) { width: 150px; height: 150px; border-color: rgba(18,163,155,.35); }
.ac-orbit span:nth-child(3) { width: 84px; height: 84px; border-color: rgba(18,163,155,.5); }
.ac-orbit i { position: absolute; inset: 0; margin: auto; width: 30px; height: 30px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #5fd6cf, var(--ac)); }

/* pillar cards */
.ac-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.ac-card { position: relative; background: #fff; border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: var(--space-5); overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base), border-color var(--dur-base); }
.ac-card::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--ac); transform: scaleY(0); transform-origin: top; transition: transform var(--dur-base) var(--ease-out); }
.ac-card:hover { transform: translateY(-6px); box-shadow: 0 24px 46px rgba(11,111,106,.14); border-color: var(--ac-200); }
.ac-card:hover::after { transform: scaleY(1); }
.ac-ic { width: 48px; height: 48px; border-radius: var(--radius-md); display: grid; place-items: center;
  background: var(--ac-soft); color: var(--ac-deep); margin-bottom: var(--space-4);
  transition: background var(--dur-base), color var(--dur-base); }
.ac-ic svg { width: 24px; height: 24px; }
.ac-card:hover .ac-ic { background: var(--ac); color: #fff; }
.ac-card h4 { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: none;
  font-size: var(--fs-lg); color: var(--text-strong); letter-spacing: -.01em; }
.ac-card p { margin-top: var(--space-3); font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.5; }
.ac-soon { position: absolute; top: var(--space-5); right: var(--space-5); font-family: var(--font-mono);
  font-size: var(--fs-2xs); letter-spacing: .1em; text-transform: uppercase; color: var(--ac-deep);
  background: var(--ac-soft); border: 1px solid var(--ac-200); padding: 4px 9px; border-radius: 999px; }

/* blocks (library / tools) */
.ac-block { margin-top: var(--space-9); }
.ac-block-head { max-width: 60ch; margin-bottom: var(--space-6); }
.ac-block-head h3 { margin-top: var(--space-3); }
.ac-block-head p { margin-top: var(--space-3); font-size: var(--fs-md); color: var(--text-muted); line-height: 1.55; }

.ac-lib-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.ac-lib { display: flex; align-items: flex-start; gap: var(--space-5); background: #fff;
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: var(--space-6);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base), border-color var(--dur-base); }
.ac-lib:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(11,111,106,.12); border-color: var(--ac-200); }
.ac-lib-ic { flex: none; width: 52px; height: 52px; border-radius: var(--radius-md); display: grid; place-items: center;
  background: var(--ac-tint); color: var(--ac-deep); border: 1px solid var(--ac-200); }
.ac-lib-ic svg { width: 26px; height: 26px; }
.ac-lib-body { flex: 1; }
.ac-fmt { font-family: var(--font-mono); font-size: var(--fs-2xs); letter-spacing: .12em; text-transform: uppercase;
  color: var(--ac-600); }
.ac-lib-body h4 { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: none;
  font-size: var(--fs-lg); color: var(--text-strong); margin-top: 4px; }
.ac-lib-body p { margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.5; }
.ac-lib-go { flex: none; color: var(--steel-300); transition: color var(--dur-base), transform var(--dur-base); align-self: center; }
.ac-lib-go svg { width: 20px; height: 20px; }
.ac-lib:hover .ac-lib-go { color: var(--ac); transform: translateX(4px); }

.ac-tools-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.ac-tool { position: relative; background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: var(--space-6); display: flex; flex-direction: column;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base), border-color var(--dur-base); }
.ac-tool:hover { transform: translateY(-5px); box-shadow: 0 22px 42px rgba(11,111,106,.13); border-color: var(--ac-200); }
.ac-tool-ic { width: 50px; height: 50px; border-radius: var(--radius-md); display: grid; place-items: center;
  background: var(--ac-soft); color: var(--ac-deep); margin-bottom: var(--space-4); }
.ac-tool-ic svg { width: 26px; height: 26px; }
.ac-tool h4 { font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: none;
  font-size: var(--fs-md); color: var(--text-strong); }
.ac-tool p { margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.5; flex: 1; }
.ac-tool-go { display: inline-flex; align-items: center; gap: 6px; margin-top: var(--space-5);
  font-family: var(--font-display); font-weight: var(--fw-bold); text-transform: uppercase;
  letter-spacing: var(--ls-wide); font-size: var(--fs-xs); color: var(--ac-600); }
.ac-tool-go .arr { transition: transform var(--dur-base) var(--ease-out); }
.ac-tool-go .arr svg { width: 16px; height: 16px; }
.ac-tool:hover .ac-tool-go .arr { transform: translateX(4px); }
.ac-tool.is-soon .ac-tool-go, .ac-card.is-soon { color: var(--text-muted); }
.ac-tool.is-soon .ac-tool-go { color: var(--text-faint); }

/* future banner */
.ac-future { position: relative; margin-top: var(--space-9); overflow: hidden;
  background: linear-gradient(135deg, #0c6f6a 0%, #0b7d77 45%, #11433f 100%);
  border-radius: var(--radius-xl); padding: var(--space-7) var(--space-8);
  display: grid; grid-template-columns: 1.2fr .8fr; gap: var(--space-8); align-items: center;
  box-shadow: 0 30px 70px rgba(11,111,106,.28); }
.ac-future-glow { position: absolute; right: -10%; top: -40%; width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(127,230,223,.25), transparent 60%); pointer-events: none; }
.ac-future::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(-58deg, transparent 0 46px, rgba(255,255,255,.04) 46px 47px);
  -webkit-mask-image: linear-gradient(270deg, #000, transparent 60%); mask-image: linear-gradient(270deg, #000, transparent 60%); }
.ac-future-copy { position: relative; z-index: 2; }
.ac-future-copy h3 { color: #fff; margin-top: var(--space-3); }
.ac-future-copy p { margin-top: var(--space-4); font-size: var(--fs-md); color: rgba(255,255,255,.78);
  max-width: 50ch; line-height: 1.6; }
.ac-future-chips { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: var(--space-3); }
.ac-chip { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-display);
  font-weight: var(--fw-bold); text-transform: uppercase; letter-spacing: var(--ls-wide); font-size: var(--fs-xs);
  color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2);
  padding: 11px 16px; border-radius: 999px; transition: background var(--dur-base), border-color var(--dur-base); }
.ac-chip:hover { background: rgba(255,255,255,.16); border-color: rgba(127,230,223,.5); }
.ac-chip-ic { display: inline-flex; color: #7fe6df; }
.ac-chip-ic svg { width: 15px; height: 15px; }

@media (max-width: 1040px) {
  .ac-cards { grid-template-columns: repeat(2, 1fr); }
  .ac-tools-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .ac-hero { grid-template-columns: 1fr; gap: var(--space-6); }
  .ac-hero-side { order: -1; }
  .ac-future { grid-template-columns: 1fr; gap: var(--space-6); padding: var(--space-7); }
}
@media (max-width: 620px) {
  .ac-cards, .ac-lib-grid, .ac-tools-grid { grid-template-columns: 1fr; }
}