/* ═══════════════════════════════════════════════════════════════
   ACODE — design system
   Palette : deep black #05060A · navy #07111F · cyan #00E5FF
             violet #7C3AED · white #F5F7FA · grey #A7B0C0 · green #36F2B9
   ═══════════════════════════════════════════════════════════════ */

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/fonts/space-grotesk-latin-var.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/inter-latin-var.woff2') format('woff2');
}

:root {
  --bg: #05060A;
  --bg-navy: #07111F;
  --cyan: #00E5FF;
  --violet: #7C3AED;
  --violet-soft: #8B5CF6;
  --white: #F5F7FA;
  --grey: #A7B0C0;
  --green: #36F2B9;
  --danger: #FF5470;

  --card: rgba(255, 255, 255, 0.035);
  --card-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --grad: linear-gradient(100deg, var(--cyan) 0%, #4ea0ff 45%, var(--violet) 100%);
  --grad-soft: linear-gradient(100deg, rgba(0,229,255,.16), rgba(124,58,237,.16));

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --nav-h: 72px;
  --radius: 18px;
  --radius-lg: 26px;
  --container: 1200px;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --shadow-glow-cyan: 0 0 40px rgba(0, 229, 255, .18);
  --shadow-card: 0 24px 60px rgba(0, 0, 0, .45);
}

/* ── reset ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--white);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: rgba(0, 229, 255, .25); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 999;
  background: var(--cyan); color: #041014; font-weight: 600;
  padding: 10px 18px; border-radius: 10px; text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

.anchor-alias { position: relative; display: block; top: calc(-1 * var(--nav-h)); visibility: hidden; }

/* gradient text */
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.grad-green {
  background: linear-gradient(100deg, var(--green), var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ── glass card ────────────────────────────────────────────── */
.glass-card {
  background: linear-gradient(160deg, rgba(255,255,255,.055), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ── buttons ───────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 500; font-size: 15px; letter-spacing: .01em;
  padding: 13px 26px; border-radius: 999px;
  text-decoration: none; white-space: nowrap;
  transition: transform .3s var(--ease-out), box-shadow .3s, background .3s, border-color .3s;
  will-change: transform;
}
.btn--sm { padding: 9px 20px; font-size: 13.5px; }
.btn--lg { padding: 16px 34px; font-size: 16px; }

.btn--primary {
  color: #051018;
  background: linear-gradient(100deg, var(--cyan), #3dd6ff 55%, #7ab8ff);
  box-shadow: 0 6px 26px rgba(0, 229, 255, .28), inset 0 1px 0 rgba(255,255,255,.5);
  font-weight: 600;
}
.btn--primary:hover { box-shadow: 0 10px 38px rgba(0, 229, 255, .42), inset 0 1px 0 rgba(255,255,255,.5); }

.btn--ghost {
  color: var(--white);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: rgba(0,229,255,.55); background: rgba(0,229,255,.07); }

/* ── nav ───────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  transition: background .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(5, 6, 10, .72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
.nav__inner {
  max-width: var(--container); margin: 0 auto;
  height: var(--nav-h); padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.nav__logo {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.nav__mark { width: 34px; height: 34px; }
.nav__word {
  font-family: var(--font-display); font-weight: 700; font-size: 21px; letter-spacing: -.02em;
}
.nav__word em { font-style: normal; color: var(--cyan); opacity: .9; }

.nav__links { display: flex; gap: 30px; }
.nav__links a {
  position: relative;
  color: var(--grey); text-decoration: none;
  font-size: 14px; font-weight: 500;
  padding: 6px 0;
  transition: color .25s;
}
.nav__links a::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1.5px; border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--white); }
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: flex; gap: 2px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 999px; padding: 3px;
}
.lang-toggle button {
  font-size: 12px; font-weight: 600; letter-spacing: .04em;
  color: var(--grey);
  padding: 5px 11px; border-radius: 999px;
  transition: color .25s, background .25s;
}
.lang-toggle button.is-active { color: #051018; background: var(--white); }

.nav__burger {
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  position: relative;
}
.nav__burger span {
  position: absolute; left: 11px; right: 11px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: transform .3s var(--ease-out), top .3s;
}
.nav__burger span:nth-child(1) { top: 16px; }
.nav__burger span:nth-child(2) { top: 24px; }
.nav__burger.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { top: 20px; transform: rotate(-45deg); }

.mobile-menu[hidden] { display: none; }
.mobile-menu {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(5, 6, 10, .96);
  backdrop-filter: blur(24px);
  padding: calc(var(--nav-h) + 30px) 28px 40px;
  display: flex; flex-direction: column; gap: 28px;
  opacity: 0; pointer-events: none;
  transition: opacity .35s;
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu nav a {
  font-family: var(--font-display);
  font-size: 30px; font-weight: 500; text-decoration: none;
  color: var(--white); padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.mobile-menu__mail a { color: var(--grey); text-decoration: none; font-size: 15px; }

/* ── hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 40px) 24px 90px;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__video { position: absolute; inset: 0; }
.hero__video video {
  width: 100%; height: 100%; object-fit: cover;
  opacity: .35;
}
.hero__vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 90% 65% at 50% 42%, transparent 30%, rgba(5,6,10,.55) 78%, var(--bg) 100%),
    linear-gradient(to bottom, rgba(5,6,10,.5), transparent 22%, transparent 70%, var(--bg) 100%);
  pointer-events: none;
}

/* CSS fallback scene (also the base backdrop under the canvas) */
.hero__fallback { position: absolute; inset: 0; overflow: hidden; }
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
  animation: orbDrift 16s ease-in-out infinite alternate;
}
.orb--cyan   { width: 46vw; height: 46vw; left: -8vw;  top: 6vh;  background: radial-gradient(circle, rgba(0,229,255,.34), transparent 65%); }
.orb--violet { width: 52vw; height: 52vw; right: -12vw; top: 22vh; background: radial-gradient(circle, rgba(124,58,237,.38), transparent 65%); animation-delay: -6s; }
.orb--deep   { width: 60vw; height: 42vw; left: 22vw;  bottom: -18vh; background: radial-gradient(circle, rgba(7,17,31,.9), transparent 70%); filter: blur(60px); animation-delay: -11s; }
@keyframes orbDrift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(4vw, -3vh, 0) scale(1.12); }
}
.hero__grid {
  position: absolute; inset: -2% -2% -30%;
  background-image:
    linear-gradient(rgba(0,229,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.05) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 60%, black 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 60%, black 20%, transparent 72%);
  transform: perspective(900px) rotateX(58deg) translateY(12%);
  transform-origin: 50% 100%;
}

.hero__content {
  position: relative; z-index: 2;
  max-width: 880px;
  text-align: center;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: var(--grey);
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(10px);
  margin-bottom: 30px;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(54,242,185,.55);
  animation: pulseDot 2.2s infinite;
}
@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(54,242,185,.55); }
  70% { box-shadow: 0 0 0 9px rgba(54,242,185,0); }
  100% { box-shadow: 0 0 0 0 rgba(54,242,185,0); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6.4vw, 78px);
  line-height: 1.06;
  letter-spacing: -.03em;
  margin-bottom: 26px;
}
.hero__title .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: .12em; margin-bottom: -.12em; }
.hero__title .wi { display: inline-block; will-change: transform; }

.hero__sub {
  max-width: 640px; margin: 0 auto 40px;
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--grey);
}
.hero__ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero__chips { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.chip {
  position: absolute;
  left: var(--cx); top: var(--cy);
  font-size: 13px; font-weight: 500;
  color: rgba(245,247,250,.85);
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(150deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  animation: chipFloat 7s ease-in-out infinite;
  animation-delay: var(--cd);
  white-space: nowrap;
}
.chip::before {
  content: ''; display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad);
  margin-right: 9px; vertical-align: 1.5px;
}
@keyframes chipFloat {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -14px, 0); }
}

.hero__scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--grey); font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  text-decoration: none;
}
.hero__scroll-line {
  width: 1.5px; height: 44px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  overflow: hidden; position: relative; border-radius: 2px;
}
.hero__scroll-line::after {
  content: ''; position: absolute; left: 0; top: -50%;
  width: 100%; height: 50%;
  background: var(--white);
  animation: scrollDrop 2s var(--ease-out) infinite;
}
@keyframes scrollDrop { to { top: 110%; } }

/* ── marquee ───────────────────────────────────────────────── */
.marquee-band {
  position: relative;
  padding: 26px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(7,17,31,.65), rgba(5,6,10,.9));
  overflow: hidden;
}
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
.marquee__track { display: flex; width: max-content; animation: marqueeMove 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__list { display: flex; align-items: center; gap: 42px; padding-right: 42px; }
.marquee__list li {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(245,247,250,.72);
  white-space: nowrap;
}
.marquee__list li[aria-hidden] { color: var(--cyan); font-size: 11px; opacity: .8; }
@keyframes marqueeMove { to { transform: translateX(-50%); } }

/* ── sections ──────────────────────────────────────────────── */
.section { position: relative; padding: 120px 0; }
.section__head { max-width: 720px; margin-bottom: 64px; }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__kicker {
  font-size: 12.5px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 700; line-height: 1.1; letter-spacing: -.025em;
  margin-bottom: 18px;
}
.section__lead { color: var(--grey); font-size: clamp(15.5px, 1.6vw, 18px); max-width: 620px; }
.section__head--center .section__lead { margin: 0 auto; }

/* ── services cards ────────────────────────────────────────── */
.services {
  background:
    radial-gradient(ellipse 60% 40% at 85% 0%, rgba(124,58,237,.09), transparent 60%),
    radial-gradient(ellipse 50% 35% at 10% 100%, rgba(0,229,255,.06), transparent 60%);
}
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

.scard {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(165deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
  overflow: hidden;
  transform-style: preserve-3d;
  transition: border-color .35s, box-shadow .35s;
  --mx: 50%; --my: 50%;
}
.scard:hover { border-color: rgba(0,229,255,.35); box-shadow: var(--shadow-card), var(--shadow-glow-cyan); }

.scard__glow {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(360px circle at var(--mx) var(--my), rgba(0,229,255,.1), transparent 55%);
  opacity: 0; transition: opacity .35s;
  pointer-events: none;
}
.scard:hover .scard__glow { opacity: 1; }

.scard__visual {
  position: relative;
  height: 190px;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  background-size: cover; background-position: center;
}
.scard__visual::before {
  content: ''; position: absolute; inset: 0;
  opacity: .9;
}
.scard__visual--web::before  { background: radial-gradient(120% 130% at 20% 0%, rgba(0,229,255,.22), transparent 55%), radial-gradient(100% 120% at 90% 100%, rgba(7,17,31,.9), transparent), linear-gradient(160deg, #0A1626, #05060A); }
.scard__visual--auto::before { background: radial-gradient(120% 130% at 80% 0%, rgba(124,58,237,.26), transparent 55%), radial-gradient(100% 120% at 10% 100%, rgba(7,17,31,.9), transparent), linear-gradient(200deg, #0E0A26, #05060A); }
.scard__visual--ai::before   { background: radial-gradient(120% 130% at 50% -10%, rgba(54,242,185,.18), transparent 55%), radial-gradient(100% 120% at 50% 110%, rgba(7,17,31,.9), transparent), linear-gradient(180deg, #071A20, #05060A); }
.scard__visual.has-image::before { background: linear-gradient(180deg, rgba(5,6,10,.15), rgba(5,6,10,.6)); }
.scard__visual.has-image .scard__icon { display: none; }

.scard__icon {
  position: relative; z-index: 1;
  width: 132px; height: auto;
  color: var(--cyan);
  filter: drop-shadow(0 0 18px rgba(0,229,255,.35));
  transition: transform .5s var(--ease-out);
}
.scard__visual--auto .scard__icon { color: var(--violet-soft); filter: drop-shadow(0 0 18px rgba(139,92,246,.4)); }
.scard__visual--ai .scard__icon   { color: var(--green); filter: drop-shadow(0 0 18px rgba(54,242,185,.35)); }
.scard:hover .scard__icon { transform: scale(1.07) translateY(-3px); }

.scard__body { position: relative; z-index: 1; padding: 28px 28px 30px; }
.scard__body h3 {
  font-family: var(--font-display);
  font-size: 21px; font-weight: 700; letter-spacing: -.01em;
  margin-bottom: 12px;
}
.scard__body p { color: var(--grey); font-size: 15px; margin-bottom: 22px; }

.scard__link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 14.5px; font-weight: 500;
  color: var(--cyan); text-decoration: none;
}
.scard__link span:last-child { transition: transform .3s var(--ease-out); }
.scard__link:hover span:last-child { transform: translateX(5px); }

/* ── system timeline ───────────────────────────────────────── */
.system { background: radial-gradient(ellipse 70% 45% at 15% 20%, rgba(0,229,255,.05), transparent 60%); }
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline__rail {
  position: absolute; left: 27px; top: 10px; bottom: 10px;
  width: 2px; border-radius: 2px;
  background: rgba(255,255,255,.08);
}
.timeline__progress {
  position: absolute; left: 0; top: 0; width: 100%; height: 0%;
  background: linear-gradient(to bottom, var(--cyan), var(--violet));
  border-radius: 2px;
  box-shadow: 0 0 14px rgba(0,229,255,.5);
}
.timeline__steps { display: flex; flex-direction: column; gap: 42px; }

.tstep { position: relative; display: flex; gap: 30px; }
.tstep__node {
  flex: 0 0 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-navy);
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  color: var(--grey);
  position: relative; z-index: 1;
  transition: color .4s, border-color .4s, box-shadow .4s, transform .4s var(--ease-out);
}
.tstep.is-active .tstep__node {
  color: #051018;
  border-color: transparent;
  background: linear-gradient(135deg, var(--cyan), #52b9ff);
  box-shadow: 0 0 26px rgba(0,229,255,.5);
  transform: scale(1.06);
}
.tstep:nth-child(3).is-active .tstep__node,
.tstep:nth-child(4).is-active .tstep__node {
  background: linear-gradient(135deg, var(--violet-soft), var(--violet));
  box-shadow: 0 0 26px rgba(124,58,237,.55);
  color: var(--white);
}

.tstep__card {
  flex: 1;
  padding: 26px 30px;
  opacity: .45;
  transform: translateX(12px);
  transition: opacity .5s, transform .5s var(--ease-out), border-color .5s;
}
.tstep.is-active .tstep__card { opacity: 1; transform: none; border-color: rgba(0,229,255,.25); }
.tstep__card h3 {
  font-family: var(--font-display); font-size: 20px; font-weight: 700;
  margin-bottom: 8px;
}
.tstep__card p { color: var(--grey); font-size: 15px; }
.tstep__card p:first-of-type { color: var(--white); font-size: 16px; margin-bottom: 6px; }
.tstep__detail { font-size: 14px !important; color: var(--grey) !important; }

/* ── before / after ────────────────────────────────────────── */
.transform { background: radial-gradient(ellipse 60% 40% at 90% 80%, rgba(124,58,237,.08), transparent 60%); }

.ba {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  --split: 50%;
  background: var(--bg-navy);
  box-shadow: var(--shadow-card);
}
.ba__side { display: grid; grid-template-columns: 1.25fr 1fr; min-height: 420px; }
.ba__before {
  position: absolute; inset: 0;
  background: linear-gradient(165deg, #10131c, #0a0c12);
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
}
.ba__after { background: linear-gradient(165deg, #071120, #050a14); }

.ba__scene { position: relative; display: flex; align-items: center; justify-content: center; padding: 34px; }
.ba__scene svg { width: 100%; max-width: 560px; height: auto; }
.chaos-item { transform: rotate(var(--rot)); transform-origin: center; animation: chaosShake 5s ease-in-out infinite; }
.chaos-item:nth-child(2) { animation-delay: -1.2s; }
.chaos-item:nth-child(3) { animation-delay: -2.4s; }
.chaos-item:nth-child(4) { animation-delay: -3.1s; }
.chaos-item:nth-child(5) { animation-delay: -1.8s; }
.chaos-item:nth-child(6) { animation-delay: -0.6s; }
@keyframes chaosShake {
  0%, 100% { transform: rotate(var(--rot)) translate(0, 0); }
  50% { transform: rotate(calc(var(--rot) * 1.4)) translate(2px, -4px); }
}
.ba-flow path { stroke-dasharray: 6 8; animation: flowDash 1.6s linear infinite; }
@keyframes flowDash { to { stroke-dashoffset: -28; } }
.ba-pulse { animation: baPulse 1.6s ease-in-out infinite; }
@keyframes baPulse { 0%, 100% { opacity: .4; r: 2.6; } 50% { opacity: 1; r: 4; } }

.ba__panel {
  padding: 38px 34px;
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column; justify-content: center;
}
.ba__panel h3 {
  font-family: var(--font-display); font-size: 22px; font-weight: 700;
  margin-bottom: 18px;
}
.ba__before .ba__panel h3 { color: rgba(245,247,250,.75); }
.ba__after .ba__panel h3 { color: var(--green); }
.ba__panel ul { display: flex; flex-direction: column; gap: 10px; }
.ba__panel li {
  position: relative; padding-left: 22px;
  font-size: 14.5px; color: var(--grey);
}
.ba__panel li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 9px; height: 9px; border-radius: 3px;
}
.ba__before .ba__panel li::before { background: rgba(255,84,112,.55); border-radius: 50%; }
.ba__after .ba__panel li::before { background: linear-gradient(135deg, var(--cyan), var(--green)); }
.ba__after .ba__panel li { color: rgba(245,247,250,.88); }

.ba__handle {
  position: absolute; top: 0; bottom: 0; left: var(--split);
  transform: translateX(-50%);
  z-index: 3; pointer-events: none;
  display: flex; align-items: center; justify-content: center;
}
.ba__handle-line { position: absolute; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--cyan), var(--violet)); box-shadow: 0 0 18px rgba(0,229,255,.55); }
.ba__handle-knob {
  position: relative;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(5,6,10,.85);
  border: 1.5px solid var(--cyan);
  box-shadow: 0 0 24px rgba(0,229,255,.4);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan); font-size: 15px; font-weight: 700;
  backdrop-filter: blur(6px);
}
.ba__range {
  position: absolute; inset: 0; z-index: 4;
  width: 100%; height: 100%;
  opacity: 0; cursor: ew-resize;
  -webkit-appearance: none; appearance: none;
  margin: 0;
  touch-action: pan-y; /* keep vertical page scroll working on touch */
}
.ba__tag {
  position: absolute; top: 18px; z-index: 2;
  font-size: 11.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 999px;
  backdrop-filter: blur(8px);
}
.ba__tag--before { left: 18px; color: #FF8CA0; background: rgba(255,84,112,.12); border: 1px solid rgba(255,84,112,.3); }
.ba__tag--after { right: 18px; color: var(--green); background: rgba(54,242,185,.1); border: 1px solid rgba(54,242,185,.3); }

/* ── sprint ────────────────────────────────────────────────── */
.sprint { padding-top: 60px; }
.sprint__card {
  position: relative;
  padding: clamp(36px, 6vw, 72px);
  overflow: hidden;
  border-color: rgba(0,229,255,.16);
}
.sprint__halo {
  position: absolute; inset: -40%;
  background:
    radial-gradient(ellipse 40% 35% at 15% 10%, rgba(0,229,255,.14), transparent 60%),
    radial-gradient(ellipse 45% 40% at 90% 90%, rgba(124,58,237,.16), transparent 60%);
  pointer-events: none;
}
.sprint__head { position: relative; max-width: 760px; margin-bottom: 44px; }

.sprint__days {
  position: relative;
  display: grid;
  grid-template-columns: 2fr 7fr 3fr 2fr;
  gap: 8px;
  margin-bottom: 44px;
}
.sprint__phase {
  position: relative;
  padding: 14px 16px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  overflow: hidden;
}
.sprint__phase::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, rgba(0,229,255,.16), rgba(124,58,237,.14));
  transition: width 1.1s var(--ease-out);
}
.sprint__days.is-active .sprint__phase::before { width: 100%; }
.sprint__days.is-active .sprint__phase:nth-child(2)::before { transition-delay: .25s; }
.sprint__days.is-active .sprint__phase:nth-child(3)::before { transition-delay: .55s; }
.sprint__days.is-active .sprint__phase:nth-child(4)::before { transition-delay: .8s; }
.sprint__phase em {
  position: relative; display: block;
  font-style: normal; font-family: var(--font-display);
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em;
  color: var(--cyan); margin-bottom: 3px;
}
.sprint__phase span { position: relative; font-size: 13.5px; color: var(--grey); white-space: nowrap; }

.sprint__list {
  position: relative;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 46px;
}
.sprint__list li {
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.028);
}
.sprint__list strong {
  display: block;
  font-family: var(--font-display); font-size: 15.5px; font-weight: 700;
  margin-bottom: 6px;
}
.sprint__list strong::before { content: '◆ '; color: var(--cyan); font-size: 10px; vertical-align: 2px; }
.sprint__list span { font-size: 13.5px; color: var(--grey); }

.sprint__cta { position: relative; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.sprint__note { font-size: 13.5px; color: var(--grey); max-width: 320px; }

/* ── use cases ─────────────────────────────────────────────── */
.uc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.uc { position: relative; padding: 30px 32px; transition: border-color .35s, transform .35s var(--ease-out), box-shadow .35s; }
.uc:hover { border-color: rgba(0,229,255,.3); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.uc__badge {
  position: absolute; top: 22px; right: 22px;
  font-size: 10.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--grey);
  padding: 5px 10px; border-radius: 999px;
  border: 1px dashed var(--border-strong);
}
.uc h3 {
  font-family: var(--font-display);
  font-size: 19px; font-weight: 700; line-height: 1.3;
  margin-bottom: 20px;
  padding-right: 110px;
}
.uc dl { display: flex; flex-direction: column; gap: 12px; margin-bottom: 22px; }
.uc dl div { display: grid; grid-template-columns: 92px 1fr; gap: 12px; }
.uc dt {
  font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--cyan); padding-top: 3px;
}
.uc dd { font-size: 14.5px; color: var(--grey); }
.uc__tag {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  padding: 6px 13px; border-radius: 999px;
}
.uc__tag--cyan { color: var(--cyan); background: rgba(0,229,255,.08); border: 1px solid rgba(0,229,255,.25); }
.uc__tag--violet { color: #C4B1FF; background: rgba(124,58,237,.12); border: 1px solid rgba(139,92,246,.35); }
.uc__tag--green { color: var(--green); background: rgba(54,242,185,.08); border: 1px solid rgba(54,242,185,.25); }

/* ── contact ───────────────────────────────────────────────── */
.contact { overflow: hidden; }
.contact__nebula {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 45% at 50% 0%, rgba(124,58,237,.13), transparent 60%),
    radial-gradient(ellipse 45% 40% at 15% 85%, rgba(0,229,255,.08), transparent 60%);
  pointer-events: none;
}
.contact__grid {
  position: relative;
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 26px;
  max-width: 1020px; margin: 0 auto;
}
.contact__form { padding: 36px; display: flex; flex-direction: column; gap: 20px; }
.fgroup label {
  display: block;
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  color: rgba(245,247,250,.9);
  margin-bottom: 8px;
}
.fgroup label em { font-style: normal; font-weight: 400; color: var(--grey); }
.fgroup input, .fgroup select, .fgroup textarea {
  width: 100%;
  font: inherit; font-size: 15px;
  color: var(--white);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 16px;
  transition: border-color .25s, background .25s, box-shadow .25s;
}
.fgroup input::placeholder, .fgroup textarea::placeholder { color: rgba(167,176,192,.5); }
.fgroup input:focus, .fgroup select:focus, .fgroup textarea:focus {
  outline: none;
  border-color: rgba(0,229,255,.6);
  background: rgba(0,229,255,.04);
  box-shadow: 0 0 0 3px rgba(0,229,255,.12);
}
.fgroup select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A7B0C0' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
.fgroup select option { background: var(--bg-navy); color: var(--white); }
.fgroup textarea { resize: vertical; min-height: 110px; }
.fgroup--split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.contact__submit { align-self: flex-start; }
.contact__status { font-size: 14px; min-height: 20px; color: var(--grey); }
.contact__status.is-ok { color: var(--green); }
.contact__status.is-error { color: var(--danger); }

.contact__aside { display: flex; flex-direction: column; gap: 22px; }
.contact__direct { padding: 30px; }
.contact__direct h3 { font-family: var(--font-display); font-size: 18px; margin-bottom: 16px; }
.contact__mail {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px); font-weight: 500;
  color: var(--cyan); text-decoration: none;
  margin-bottom: 14px;
  word-break: break-all;
}
.contact__mail:hover { text-decoration: underline; }
.contact__wa {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 14.5px; font-weight: 600;
  color: var(--green); text-decoration: none;
  padding: 10px 16px;
  border: 1px solid rgba(54,242,185,.3);
  border-radius: 999px;
  background: rgba(54,242,185,.06);
  transition: background .25s, border-color .25s;
  margin-bottom: 16px;
}
.contact__wa:hover { background: rgba(54,242,185,.12); border-color: rgba(54,242,185,.55); }
.contact__reply { font-size: 13.5px; color: var(--grey); }
.contact__points { display: flex; flex-direction: column; gap: 12px; padding: 0 8px; }
.contact__points p { font-size: 14px; color: var(--grey); }
.contact__points strong { color: var(--cyan); margin-right: 8px; }

/* ── footer ────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(7,17,31,.55));
  padding: 64px 0 30px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 44px;
}
.footer__brand p { color: var(--grey); font-size: 14px; margin-top: 14px; max-width: 280px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 {
  font-family: var(--font-display);
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(245,247,250,.65);
  margin-bottom: 6px;
}
.footer__col a {
  color: var(--grey); text-decoration: none; font-size: 14px;
  transition: color .25s;
  width: fit-content;
}
.footer__col a:hover { color: var(--cyan); }
.footer__base {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  color: rgba(167,176,192,.65); font-size: 13px;
}

/* ── WhatsApp float ────────────────────────────────────────── */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: #051018;
  background: linear-gradient(135deg, #36F2B9, #16c98d);
  box-shadow: 0 10px 30px rgba(54,242,185,.35);
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.wa-float:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 16px 40px rgba(54,242,185,.5); }

/* ── reveal initial states (JS adds .js to <html>) ─────────── */
html.js [data-reveal] { opacity: 0; transform: translateY(34px); }
html.js .is-revealed[data-reveal], html.js [data-reveal].is-revealed { opacity: 1; transform: none; }

/* ══════════════ RESPONSIVE ══════════════ */
@media (max-width: 1180px) {
  /* chips need real margins around the hero copy — desktop only */
  .hero__chips { display: none; }
}

@media (max-width: 1080px) {
  .cards3 { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .sprint__list { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: block; }
  .uc-grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .ba__side { grid-template-columns: 1fr; min-height: 0; }
  .ba__scene { padding: 26px 20px 6px; }
  .ba__panel { border-left: 0; padding: 22px 24px 30px; }
  .sprint__days { grid-template-columns: 1fr 1fr; }
  .sprint__phase span { white-space: normal; }
}

@media (max-width: 640px) {
  .section { padding: 84px 0; }
  .hero { padding-top: calc(var(--nav-h) + 24px); padding-bottom: 110px; }
  .hero__ctas .btn { width: 100%; }
  .fgroup--split { grid-template-columns: 1fr; }
  .sprint__list { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .uc h3 { padding-right: 0; padding-top: 26px; }
  .uc__badge { top: 18px; right: auto; left: 24px; }
  .uc dl div { grid-template-columns: 1fr; gap: 2px; }
  .wa-float { width: 50px; height: 50px; right: 16px; bottom: 16px; }
  .marquee__list { gap: 26px; padding-right: 26px; }
}

/* ══════════════ REDUCED MOTION ══════════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; }
  .marquee__track { animation: none; flex-wrap: wrap; }
  .hero__canvas { display: none; }
}