/* ==========================================================================
   P9Tech.ai — Landing one-page
   ========================================================================== */

:root {
  --bg:            #07070b;
  --bg-2:          #0a0a12;
  --surface:       rgba(255, 255, 255, 0.035);
  --surface-2:     rgba(255, 255, 255, 0.06);
  --border:        rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text:          #f5f6f8;
  --text-2:        rgba(245, 246, 248, 0.72);
  --text-3:        rgba(245, 246, 248, 0.5);
  --text-4:        rgba(245, 246, 248, 0.32);

  --accent:        #7dd3fc;   /* cyan */
  --accent-2:      #a78bfa;   /* violet */
  --accent-3:      #60a5fa;   /* blue */
  --accent-glow:   rgba(125, 211, 252, .35);

  --grad-accent:   linear-gradient(120deg, #7dd3fc 0%, #a78bfa 50%, #f0abfc 100%);
  --grad-text:     linear-gradient(180deg, #ffffff 0%, #b8c0cc 100%);

  --maxw:          1240px;
  --pad-x:         clamp(20px, 4vw, 56px);
  --radius:        18px;
  --radius-lg:     26px;

  --ease:          cubic-bezier(.2, .7, .2, 1);
  --ease-out:      cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: #07070b; }

/* ==========================================================================
   Background stage
   ========================================================================== */
.bg-stage {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(167, 139, 250, .14), transparent 60%),
    radial-gradient(1000px 700px at -10% 30%, rgba(125, 211, 252, .10), transparent 55%),
    radial-gradient(900px 700px at 50% 110%, rgba(96, 165, 250, .10), transparent 55%),
    linear-gradient(180deg, #06060a 0%, #08080f 50%, #06060a 100%);
  overflow: hidden;
}

.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}

.bg-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
  pointer-events: none;
  will-change: transform;
}
.bg-orb--a {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(125,211,252,.55), transparent 70%);
  top: -120px; left: -120px;
  animation: floatA 22s ease-in-out infinite;
}
.bg-orb--b {
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(167,139,250,.45), transparent 70%);
  bottom: -200px; right: -160px;
  animation: floatB 26s ease-in-out infinite;
}
@keyframes floatA {
  0%,100% { transform: translate(0,0); }
  50%     { transform: translate(120px, 80px); }
}
@keyframes floatB {
  0%,100% { transform: translate(0,0); }
  50%     { transform: translate(-90px,-60px); }
}

.bg-noise {
  position: absolute; inset: 0; pointer-events: none;
  opacity: .045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ==========================================================================
   Reveal animations
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .bg-orb, .marquee__track { animation: none !important; }
}

/* ==========================================================================
   Nav
   ========================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad-x);
  transition: backdrop-filter .3s, background .3s, border-color .3s, padding .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 7, 11, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--border);
  padding-top: 12px; padding-bottom: 12px;
}

.nav__brand { display: inline-flex; align-items: center; gap: 12px; }
.nav__mark {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: #fff; color: #07070b;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 15px;
  letter-spacing: -.02em;
  box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 8px 24px rgba(125,211,252,.18);
}
.nav__wordmark {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600; letter-spacing: -.02em;
  font-size: 17px;
}
.nav__dot { color: var(--accent); }

.nav__links {
  display: flex; gap: 30px;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.nav__links a {
  font-size: 14px; color: var(--text-2);
  position: relative; padding: 6px 2px;
  transition: color .2s;
}
.nav__links a:hover { color: var(--text); }
.nav__links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #fff; color: #07070b;
  font-size: 14px; font-weight: 600;
  transition: transform .2s var(--ease-out), box-shadow .2s, gap .2s;
  box-shadow: 0 8px 24px rgba(255,255,255,.06);
}
.nav__cta:hover { transform: translateY(-1px); gap: 12px; box-shadow: 0 12px 30px rgba(125,211,252,.22); }

.nav__burger { display: none; }

@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger {
    display: inline-flex; flex-direction: column; gap: 5px;
    width: 38px; height: 38px;
    align-items: center; justify-content: center;
    border: 1px solid var(--border); border-radius: 10px;
  }
  .nav__burger span { width: 16px; height: 1.5px; background: var(--text); transition: transform .25s, opacity .25s; }
  .nav__burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2) { opacity: 0; }
  .nav__burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .nav__links.is-open {
    display: flex; flex-direction: column; gap: 24px;
    position: fixed; top: 70px; left: 0; right: 0; bottom: 0;
    transform: none;
    background: rgba(7,7,11,.96);
    backdrop-filter: blur(16px);
    padding: 40px var(--pad-x);
    z-index: 40;
  }
  .nav__links.is-open a { font-size: 28px; font-family: 'Space Grotesk', sans-serif; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  min-height: 100vh;
  padding: 140px var(--pad-x) 80px;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex; flex-direction: column;
  position: relative;
}

.hero__inner {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  max-width: 980px;
}

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 12px; color: var(--text-2);
  letter-spacing: .14em; text-transform: uppercase;
  font-weight: 500;
  width: max-content;
  margin-bottom: 36px;
  backdrop-filter: blur(8px);
}
.hero__eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(125,211,252,.18);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 4px rgba(125,211,252,.18); }
  50%     { box-shadow: 0 0 0 8px rgba(125,211,252,.06); }
}

.hero__title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: clamp(48px, 9vw, 132px);
  line-height: 1.04;
  letter-spacing: -.035em;
  margin-bottom: 36px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__title span { display: block; padding-bottom: 0.06em; }
.hero__title--accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 500;
  position: relative;
}

.hero__sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--text-2);
  max-width: 640px;
  line-height: 1.65;
  margin-bottom: 44px;
}
.hero__sub strong { color: var(--text); font-weight: 600; }
.hero__sub em { color: var(--accent); font-style: normal; }

.hero__ctas {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 80px;
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  border-radius: 999px;
  font-size: 15px; font-weight: 600;
  transition: transform .2s var(--ease-out), background .2s, color .2s, border-color .2s, gap .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn--primary {
  background: #fff; color: #07070b;
  box-shadow: 0 12px 36px rgba(255,255,255,.08), 0 0 0 1px rgba(255,255,255,.5);
}
.btn--primary:hover {
  transform: translateY(-2px);
  gap: 14px;
  box-shadow: 0 20px 60px rgba(125,211,252,.28), 0 0 0 1px rgba(255,255,255,.7);
}
.btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover {
  border-color: #fff;
  background: var(--surface-2);
}
.btn svg { transition: transform .2s var(--ease-out); }

.hero__stats {
  display: flex; gap: clamp(28px, 6vw, 80px);
  padding-top: 36px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  max-width: 720px;
}
.stat__n {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.03em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__n span { color: var(--accent); -webkit-text-fill-color: var(--accent); }
.stat__l {
  font-size: 12px; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .14em;
  margin-top: 10px;
}

/* ==========================================================================
   Marquee
   ========================================================================== */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  overflow: hidden;
  background: rgba(255,255,255,.015);
}
.marquee__track {
  display: flex; gap: 48px;
  white-space: nowrap;
  animation: marq 40s linear infinite;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: -.01em;
  width: max-content;
}
.marquee__track .diamond { color: var(--accent); }
@keyframes marq {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ==========================================================================
   Sections (shared)
   ========================================================================== */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 140px) var(--pad-x);
  position: relative;
}
.section--alt::before {
  content: '';
  position: absolute;
  inset: 40px var(--pad-x);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(167,139,250,.05), transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.section__head { max-width: 880px; margin-bottom: 56px; }
.section__head--inner { margin-top: 120px; }

.kicker {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 24px;
}
.kicker__n {
  display: inline-block; padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: .1em;
}

.h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.02;
  letter-spacing: -.03em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.h2--sm { font-size: clamp(28px, 4vw, 48px); }
.h2--big { font-size: clamp(56px, 9vw, 120px); }
.h2 .muted { color: var(--text-3); font-weight: 400; font-style: italic; -webkit-text-fill-color: var(--text-3); }
.h2 .muted em { color: var(--accent); font-style: normal; -webkit-text-fill-color: var(--accent); }

.section__sub {
  margin-top: 18px;
  color: var(--text-2);
  font-size: 17px;
  max-width: 680px;
}
.section__sub strong { color: var(--text); }

.lead { font-size: clamp(18px, 1.6vw, 22px); line-height: 1.55; color: var(--text-2); }
.lead strong { color: var(--text); font-weight: 600; }

/* ==========================================================================
   About / Values
   ========================================================================== */
.about {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 880px) { .about { grid-template-columns: 1fr; } }

.values { display: flex; flex-direction: column; gap: 20px; }
.value {
  position: relative;
  padding: 26px 28px 26px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), transparent);
  transition: transform .3s var(--ease-out), border-color .3s, background .3s;
  overflow: hidden;
}
.value::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--grad-accent);
  transform: scaleY(.2); transform-origin: center;
  transition: transform .4s var(--ease-out);
}
.value:hover { border-color: var(--border-strong); transform: translateX(4px); }
.value:hover::before { transform: scaleY(1); }
.value__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px; letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: 8px;
}
.value h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 600; letter-spacing: -.01em;
  margin-bottom: 8px;
}
.value p { color: var(--text-2); font-size: 15px; }

/* ==========================================================================
   Products
   ========================================================================== */
.products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 880px) { .products { grid-template-columns: 1fr; } }

.product {
  position: relative;
  padding: 36px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,0)) padding-box;
  overflow: hidden;
  isolation: isolate;
  transition: transform .4s var(--ease-out), border-color .3s;
  min-height: 440px;
  display: flex; flex-direction: column;
}
.product::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(125,211,252,.4), transparent 40%, transparent 60%, rgba(167,139,250,.4));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .4s;
  pointer-events: none;
}
.product::after {
  content: '';
  position: absolute;
  inset: auto -120px -120px auto;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(125,211,252,.18), transparent 65%);
  pointer-events: none; z-index: -1;
  opacity: .6; transition: opacity .4s, transform .4s var(--ease-out);
}
.product:hover { transform: translateY(-4px); border-color: transparent; }
.product:hover::before { opacity: 1; }
.product:hover::after { opacity: 1; transform: scale(1.1); }

.product__top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px;
}
.product__id {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; color: var(--accent);
  letter-spacing: .25em;
}
.product__tag {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11px; color: var(--text-3);
  letter-spacing: .12em; text-transform: uppercase;
}
.product__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  letter-spacing: -.02em;
  margin-bottom: 18px;
}
.product__divider {
  width: 40px; height: 2px; background: var(--accent);
  margin-bottom: 18px;
}
.product__desc { color: var(--text-2); font-size: 15.5px; flex: 1; }

.product__visual {
  margin-top: 28px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* Roleplay chat visual */
.product__visual--chat {
  display: flex; flex-direction: column; gap: 10px;
}
.bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  max-width: 70%;
}
.bubble--in {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  align-self: flex-start;
  color: var(--text-2);
  display: inline-flex; gap: 4px;
}
.bubble--out {
  background: var(--accent);
  color: #07070b;
  align-self: flex-end;
  font-weight: 500;
}
.bubble--full { max-width: 90%; }
.bubble__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-3);
  animation: bdot 1.4s ease-in-out infinite;
}
.bubble__dot:nth-child(2) { animation-delay: .2s; }
.bubble__dot:nth-child(3) { animation-delay: .4s; }
@keyframes bdot {
  0%,80%,100% { opacity: .3; transform: translateY(0); }
  40%         { opacity: 1; transform: translateY(-3px); }
}

/* Graph visual */
.product__visual--graph svg { width: 100%; height: auto; max-height: 180px; }
.product__visual--graph circle {
  transform-origin: center;
  animation: nodePulse 3s ease-in-out infinite;
}
.product__visual--graph circle:nth-child(2) { animation-delay: .2s; }
.product__visual--graph circle:nth-child(3) { animation-delay: .4s; }
.product__visual--graph circle:nth-child(4) { animation-delay: .6s; }
.product__visual--graph circle:nth-child(5) { animation-delay: .8s; }
.product__visual--graph circle:nth-child(6) { animation-delay: 1s; }
.product__visual--graph circle:nth-child(7) { animation-delay: 1.2s; }
@keyframes nodePulse {
  0%,100% { opacity: .9; }
  50%     { opacity: .4; }
}

/* ==========================================================================
   Services
   ========================================================================== */
.services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 980px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .services { grid-template-columns: 1fr; } }

.svc {
  position: relative;
  padding: 32px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform .35s var(--ease-out), border-color .3s, background .3s;
  overflow: hidden;
}
.svc::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity .35s;
}
.svc:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}
.svc:hover::before { opacity: 1; }

.svc__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(125,211,252,.16), rgba(167,139,250,.12));
  border: 1px solid var(--border);
  color: var(--accent);
  margin-bottom: 22px;
}
.svc__icon svg { width: 22px; height: 22px; }

.svc h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: 10px;
}
.svc p { color: var(--text-2); font-size: 14.5px; line-height: 1.55; }

/* ==========================================================================
   Timeline (Methodology)
   ========================================================================== */
.timeline {
  list-style: none;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
@media (max-width: 980px) { .timeline { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .timeline { grid-template-columns: 1fr; } }

.step {
  padding: 30px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform .35s var(--ease-out), border-color .3s;
}
.step:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.step__head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 22px;
}
.step__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; color: var(--accent);
  letter-spacing: .2em; font-weight: 600;
}
.step__bar {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.step h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: 10px;
}
.step p { color: var(--text-2); font-size: 14.5px; line-height: 1.55; }

/* AI processes */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 980px) { .ai-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .ai-grid { grid-template-columns: 1fr; } }

.ai {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(167,139,250,.05), transparent 60%),
    var(--surface);
  position: relative; overflow: hidden;
  transition: transform .35s var(--ease-out), border-color .3s;
}
.ai:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.ai__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.05em;
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 16px;
  opacity: .85;
}
.ai h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px; font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: 10px;
}
.ai p { color: var(--text-2); font-size: 14.5px; line-height: 1.55; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact .h2--big {
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-style: italic;
}

.people {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 32px;
}
@media (max-width: 760px) { .people { grid-template-columns: 1fr; } }

.person {
  display: flex; gap: 22px;
  padding: 32px 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: transform .35s var(--ease-out), border-color .3s, background .3s;
}
.person:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}
.person__avatar {
  flex: 0 0 56px;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #07070b;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 17px;
  letter-spacing: .02em;
  box-shadow: 0 8px 24px rgba(125,211,252,.22);
}
.person__body { min-width: 0; }
.person h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 600;
  letter-spacing: -.015em;
  margin-bottom: 4px;
}
.person__role {
  display: inline-block;
  font-size: 12px; color: var(--accent);
  letter-spacing: .14em; text-transform: uppercase;
  margin-bottom: 14px;
}
.person p { color: var(--text-2); font-size: 15px; margin-bottom: 18px; }
.person__mail {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14.5px; color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: color .2s, gap .2s, border-color .2s;
}
.person__mail:hover { color: var(--accent); gap: 12px; border-color: var(--accent); }

.cta-card {
  display: flex; align-items: center; justify-content: space-between; gap: 36px;
  flex-wrap: wrap;
  padding: 44px 44px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(600px 280px at 80% 50%, rgba(167,139,250,.16), transparent 70%),
    radial-gradient(500px 240px at 0% 100%, rgba(125,211,252,.12), transparent 70%),
    linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--border-strong);
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 30px 30px;
  mask: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  pointer-events: none;
}
.cta-card > * { position: relative; }
.cta-card__eyebrow {
  font-size: 12px; color: var(--accent);
  letter-spacing: .2em; text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 500;
}
.cta-card__h {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 600;
  letter-spacing: -.02em;
  max-width: 520px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.foot {
  border-top: 1px solid var(--border);
  padding: 80px var(--pad-x) 32px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.foot__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
}
@media (max-width: 880px) { .foot__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .foot__inner { grid-template-columns: 1fr; gap: 32px; } }

.foot__logo { width: 180px; height: auto; margin-bottom: 18px; filter: invert(1) brightness(1.1); }
.foot__brand p { color: var(--text-3); font-style: italic; font-size: 14px; }
.foot__col h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 14px;
}
.foot__col p { color: var(--text-2); font-size: 14.5px; }
.foot__col a { transition: color .2s; }
.foot__col a:hover { color: var(--accent); }

.foot__bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  color: var(--text-4);
  font-size: 12.5px;
  letter-spacing: .04em;
  flex-wrap: wrap; gap: 12px;
}
.foot__bottom-r { letter-spacing: .2em; text-transform: uppercase; color: var(--text-3); }

/* ==========================================================================
   Tiny refinements
   ========================================================================== */
@media (max-width: 540px) {
  .hero { padding-top: 110px; }
  .hero__stats { gap: 24px; }
  .stat { min-width: 130px; }
  .product { min-height: auto; padding: 28px 24px; }
  .cta-card { padding: 32px 28px; }
}