/* ============================================================
   AI LABORATORY — Local Prototype
   All selectors prefixed .ailab-*
   Tokens: --ailab-* mapped from design-system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;800&family=JetBrains+Mono:wght@400&display=swap');

/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --ailab-bg-page:      #080920;
  --ailab-bg-card:      #0D0F24;
  --ailab-bg-sunken:    #0A0B1E;
  --ailab-bg-dark:      #06071A;
  --ailab-bg-dark-2:    #0D0F24;
  --ailab-bg-card-dark: #131530;

  --ailab-text-strong:  #FFFFFF;
  --ailab-text-body:    rgba(255,255,255,.72);
  --ailab-text-muted:   rgba(255,255,255,.42);
  --ailab-text-light:   rgba(255,255,255,.28);
  --ailab-text-white:   #FFFFFF;

  --ailab-violet:       #6A67F8;
  --ailab-violet-hover: #524FE0;
  --ailab-violet-light: rgba(106,103,248,.14);
  --ailab-violet-dark:  #8F8DFA;
  --ailab-blue:         #1E8AFF;

  --ailab-border:        rgba(255,255,255,.08);
  --ailab-border-strong: rgba(255,255,255,.13);
  --ailab-border-dark:   rgba(219,221,255,.12);
  --ailab-focus-ring:    #8F8DFA;

  --ailab-shadow-sm:  0 2px 8px rgba(0,0,0,.45);
  --ailab-shadow-md:  0 8px 24px rgba(0,0,0,.55);

  --ailab-radius-sm:   10px;
  --ailab-radius-md:   14px;
  --ailab-radius-card: 20px;
  --ailab-radius-xl:   28px;
  --ailab-radius-pill: 999px;

  --ailab-pad-page:      56px;
  --ailab-gap-section:   48px;
  --ailab-gap-card:      20px;
  --ailab-section-space: 120px;

  --ailab-dur-base: 200ms;
  --ailab-dur-slow: 360ms;
  --ailab-ease:     cubic-bezier(.22,.61,.36,1);

  --ailab-font: 'Manrope', sans-serif;
  --ailab-mono: 'JetBrains Mono', monospace;

  --ailab-grad-glow: radial-gradient(60% 60% at 50% 50%, rgba(30,138,255,.5) 0%, rgba(106,103,248,.14) 55%, transparent 100%);
  --ailab-grad-ink:  linear-gradient(180deg, #0D0F24 0%, #080920 100%);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--ailab-font);
  background: var(--ailab-bg-page);
  color: var(--ailab-text-strong);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--ailab-font); }

/* ── Skip link ─────────────────────────────────────────────── */
.ailab-skip {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 999;
  background: var(--ailab-violet);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--ailab-radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: top 120ms;
}
.ailab-skip:focus { top: 16px; }

/* ── Focus ─────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--ailab-focus-ring);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ── Utility ───────────────────────────────────────────────── */
.ailab-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--ailab-pad-page);
}

.ailab-kicker {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ailab-violet);
  margin-bottom: 12px;
}
.ailab-kicker--dark  { color: var(--ailab-violet-dark); }
.ailab-kicker--muted { color: var(--ailab-text-muted); }

.ailab-section {
  padding: var(--ailab-section-space) 0;
}
.ailab-section--tinted { background: rgba(255,255,255,.03); position: relative; overflow: hidden; }
.ailab-section--dark {
  background: var(--ailab-bg-dark);
  color: var(--ailab-text-white);
}

.ailab-section-header { margin-bottom: var(--ailab-gap-section); }

.ailab-title {
  font-size: clamp(20px, 2.8vw, 24px);
  font-weight: 700;
  color: var(--ailab-text-strong);
  line-height: 1.2;
}
.ailab-title--xl {
  font-size: clamp(26px, 4.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.06;
}
.ailab-title--dark { color: var(--ailab-text-white); }

/* ── Scroll animation ──────────────────────────────────────── */
.ailab-animate {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity  var(--ailab-dur-slow) var(--ailab-ease),
    transform var(--ailab-dur-slow) var(--ailab-ease);
}
.ailab-animate.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .ailab-animate { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ── Buttons ───────────────────────────────────────────────── */
.ailab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--ailab-radius-pill);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition:
    background var(--ailab-dur-base) var(--ailab-ease),
    color var(--ailab-dur-base) var(--ailab-ease),
    border-color var(--ailab-dur-base) var(--ailab-ease),
    box-shadow var(--ailab-dur-base) var(--ailab-ease),
    transform 120ms var(--ailab-ease);
  text-decoration: none;
}
.ailab-btn--primary {
  background: var(--ailab-violet);
  color: #fff;
}
.ailab-btn--primary:hover {
  background: var(--ailab-violet-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(106,103,248,.28);
}
.ailab-btn--secondary {
  background: transparent;
  color: rgba(255,255,255,.80);
  border: 1.5px solid rgba(255,255,255,.18);
}
.ailab-btn--secondary:hover {
  border-color: var(--ailab-violet);
  color: var(--ailab-violet-dark);
}
.ailab-btn--full { width: 100%; }

/* ── Chips ─────────────────────────────────────────────────── */
.ailab-chip {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--ailab-radius-pill);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,.72);
  white-space: nowrap;
}

/* ============================================================
   01 HEADER
   ============================================================ */
.ailab-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  padding: 0 var(--ailab-pad-page);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: transparent;
  transition:
    background var(--ailab-dur-base) var(--ailab-ease),
    box-shadow var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-header.is-scrolled {
  background: rgba(8,9,32,.68);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,.08), 0 4px 28px rgba(0,0,0,.32);
}
@supports not (backdrop-filter: blur(1px)) {
  .ailab-header.is-scrolled { background: rgba(8,9,32,.96); }
}
.ailab-header__logo img {
  height: 70px;
  width: auto;
  display: block;
  filter: invert(1);
}

.ailab-header__logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--ailab-text-strong);
  letter-spacing: -0.02em;
}
.ailab-header:not(.is-scrolled) .ailab-header__logo-text {
  color: #fff;
}

.ailab-header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}
.ailab-header__nav a {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,.75);
  position: relative;
  padding-bottom: 2px;
}
.ailab-header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--ailab-violet);
  transition: width var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-header__nav a:hover::after { width: 100%; }

.ailab-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
  border-radius: 6px;
}
.ailab-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: rgba(255,255,255,.80);
  border-radius: 2px;
}

.ailab-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--ailab-bg-dark);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
}
.ailab-mobile-menu.is-open { display: flex; }
.ailab-mobile-menu a {
  font-size: 22px;
  font-weight: 700;
  color: var(--ailab-text-white);
  transition: color var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-mobile-menu a:hover { color: var(--ailab-violet-dark); }
.ailab-mobile-menu .ailab-btn {
  margin-top: 8px;
  font-size: 16px;
  padding: 14px 32px;
}
.ailab-mobile-menu__close {
  position: absolute;
  top: 16px; right: 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ailab-text-light);
  font-size: 28px;
  line-height: 1;
  padding: 4px;
  transition: color var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-mobile-menu__close:hover { color: var(--ailab-text-white); }

/* ============================================================
   02 HERO — LIGHT
   ============================================================ */
.ailab-hero {
  min-height: calc(100vh - 72px);
  min-height: calc(100svh - 72px);
  background: url('bg-hero.svg') center/cover no-repeat, #06071a;
  display: flex;
  align-items: center;
  padding: 80px var(--ailab-pad-page);
  position: relative;
  overflow: hidden;
  color: var(--ailab-text-white);
}
.ailab-hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 58fr 42fr;
  gap: 64px;
  align-items: center;
}
.ailab-hero__headline {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--ailab-text-white);
  margin-bottom: 20px;
}
.ailab-hero__headline em {
  font-style: normal;
  color: var(--ailab-violet-dark);
}
.ailab-hero__subtext {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(254,252,255,.70);
  max-width: 480px;
  margin-bottom: 36px;
}
.ailab-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.ailab-hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ailab-hero__glow {
  position: absolute;
  inset: -60px;
  background: var(--ailab-grad-glow);
  pointer-events: none;
  border-radius: 50%;
}
.ailab-hero__sphere {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1;
  object-fit: contain;
}
@keyframes ailab-sphere-breathe {
  0%, 100% { transform: scale(1);   opacity: .95; }
  50%       { transform: scale(1.02); opacity: 1; }
}
.ailab-hero__sphere { animation: ailab-sphere-breathe 8s ease-in-out infinite; }

/* ============================================================
   03 PARTNERS TICKER
   ============================================================ */
.ailab-ecosystem {
  background: #090b1e;
  border-top:    1px solid rgba(106,103,248,.25);
  border-bottom: 1px solid rgba(106,103,248,.15);
  overflow: hidden;
  position: relative;
}

/* Glowing accent line at top */
.ailab-ecosystem::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(106,103,248,.80) 25%,
    rgba(30,138,255,.80)  75%,
    transparent 100%);
  pointer-events: none;
}

.ailab-ecosystem__inner {
  display: flex;
  align-items: center;
  height: 96px;
}

/* Fixed label block */
.ailab-ecosystem__head {
  padding: 0 32px 0 var(--ailab-pad-page);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.ailab-ecosystem__label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
  background: linear-gradient(90deg, #8F8DFA 0%, #1E8AFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Vertical separator */
.ailab-ecosystem__rule {
  width: 1px;
  height: 32px;
  flex-shrink: 0;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(106,103,248,.55) 50%,
    transparent 100%);
}

/* Ticker container — clips overflow + edge fades */
.ailab-ecosystem__ticker {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  mask-image: linear-gradient(
    90deg,
    transparent 0%,
    black 5%,
    black 95%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0%,
    black 5%,
    black 95%,
    transparent 100%
  );
}

/* Scrolling track — 7 items × 2 for seamless loop */
.ailab-ecosystem__track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: ailab-ticker 32s linear infinite;
  will-change: transform;
}
.ailab-ecosystem__track:hover {
  animation-play-state: paused;
}

@keyframes ailab-ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Individual partner */
.ailab-ecosystem__logo {
  display: flex;
  align-items: center;
  padding: 0 52px;
  flex-shrink: 0;
  position: relative;
  cursor: default;
}

/* Vertical line separator */
.ailab-ecosystem__logo::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 20px;
  background: rgba(106,103,248,.30);
}

.ailab-ecosystem__logo-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
  color: #ffffff;
  transition: color var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-ecosystem__logo:hover .ailab-ecosystem__logo-name {
  color: #8F8DFA;
}

@media (prefers-reduced-motion: reduce) {
  .ailab-ecosystem__track { animation: none; }
}

/* ============================================================
   04 WHAT WE BUILD
   ============================================================ */
.ailab-build__row {
  display: grid;
  grid-template-columns: 52px 1fr 28px;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--ailab-border);
  border-radius: 4px;
  transition: background var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-build__row:first-of-type { border-top: 1px solid var(--ailab-border); }
.ailab-build__row:hover {
  background: rgba(106,103,248,.06);
  padding-left: 16px;
  padding-right: 16px;
  margin: 0 -16px;
}

.ailab-build__numeral img { width: 40px; height: auto; }
.ailab-build__numeral-text {
  font-size: 28px;
  font-weight: 800;
  color: var(--ailab-violet);
  letter-spacing: -0.02em;
  line-height: 1;
  padding-top: 2px;
}
.ailab-build__category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ailab-text-muted);
  margin-bottom: 5px;
}
.ailab-build__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ailab-text-strong);
  margin-bottom: 10px;
}
.ailab-build__desc {
  font-size: 14px;
  color: var(--ailab-text-body);
  line-height: 1.55;
  margin-bottom: 14px;
  max-width: 560px;
}
.ailab-build__caps { display: flex; flex-wrap: wrap; gap: 8px; }
.ailab-build__icon { padding-top: 6px; opacity: .35; align-self: start; }
.ailab-build__icon img { width: 22px; height: auto; }

/* ============================================================
   05 BUSINESS-FIRST — DARK
   ============================================================ */
.ailab-biz { position: relative; overflow: hidden; }
.ailab-biz__ambient {
  position: absolute;
  right: -100px; top: 50%;
  transform: translateY(-50%);
  width: 420px; height: 420px;
  opacity: .11;
  pointer-events: none;
  z-index: 0;
}
.ailab-biz__ambient img { width: 100%; height: 100%; object-fit: contain; }
.ailab-biz__inner { position: relative; z-index: 1; max-width: 820px; }

.ailab-biz__subline {
  font-size: 16px;
  color: var(--ailab-text-light);
  margin-bottom: 48px;
  font-style: italic;
}
.ailab-biz__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 44px;
}
.ailab-biz__step-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ailab-text-white);
  padding: 8px 14px;
  border: 1px solid var(--ailab-border-dark);
  border-radius: var(--ailab-radius-sm);
  background: var(--ailab-bg-dark-2);
}
.ailab-biz__arrow {
  color: var(--ailab-violet-dark);
  font-size: 16px;
  flex-shrink: 0;
  opacity: .8;
}

.ailab-biz__qs-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ailab-violet-dark);
  margin-bottom: 14px;
}
.ailab-biz__questions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.ailab-biz__q-chip {
  padding: 8px 16px;
  border-radius: var(--ailab-radius-pill);
  border: 1px solid var(--ailab-border-dark);
  background: var(--ailab-bg-card-dark);
  font-size: 13px;
  font-weight: 600;
  color: var(--ailab-text-light);
}
.ailab-biz__ending {
  font-size: 14px;
  color: var(--ailab-text-light);
  line-height: 1.65;
  border-top: 1px solid var(--ailab-border-dark);
  padding-top: 24px;
}
.ailab-biz__ending strong { color: var(--ailab-text-white); font-weight: 600; }

/* ============================================================
   06 CASES
   ============================================================ */
.ailab-cases__featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ailab-gap-card);
  margin-bottom: 24px;
}
.ailab-case-card {
  border-radius: var(--ailab-radius-card);
  border: 1px solid rgba(255,255,255,.09);
  background: rgba(13,14,36,.55);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 4px 24px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.06);
  overflow: hidden;
  transition:
    transform var(--ailab-dur-slow) var(--ailab-ease),
    box-shadow var(--ailab-dur-slow) var(--ailab-ease);
}
.ailab-case-card:hover { transform: translateY(-2px); box-shadow: 0 8px 36px rgba(0,0,0,.32), inset 0 1px 0 rgba(255,255,255,.09); }
.ailab-case-card__top {
  background: var(--ailab-bg-dark);
  padding: 28px 28px 24px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}
.ailab-case-card__industry {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ailab-violet-dark);
  margin-bottom: 8px;
}
.ailab-case-card__client {
  font-size: 22px;
  font-weight: 700;
  color: var(--ailab-text-white);
  line-height: 1.15;
}
.ailab-case-card__bottom { padding: 22px 28px 24px; }
.ailab-case-card__sol-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ailab-text-muted);
  margin-bottom: 8px;
}
.ailab-case-card__sol {
  font-size: 14px;
  color: var(--ailab-text-body);
  line-height: 1.55;
}

.ailab-cases__secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ailab-gap-card);
}
.ailab-case-compact {
  padding: 20px 22px;
  border-radius: var(--ailab-radius-md);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(13,14,36,.50);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 2px 16px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,.06);
  transition:
    transform var(--ailab-dur-slow) var(--ailab-ease),
    box-shadow var(--ailab-dur-slow) var(--ailab-ease);
}
.ailab-case-compact:hover { transform: translateY(-2px); box-shadow: var(--ailab-shadow-sm); }
.ailab-case-compact__industry {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ailab-violet);
  margin-bottom: 6px;
}
.ailab-case-compact__client {
  font-size: 15px;
  font-weight: 700;
  color: var(--ailab-text-strong);
  margin-bottom: 5px;
}
.ailab-case-compact__sol {
  font-size: 13px;
  color: var(--ailab-text-muted);
  line-height: 1.45;
}

/* ============================================================
   07 HOW WE WORK
   ============================================================ */
.ailab-how__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 48px;
  margin-bottom: 48px;
}
.ailab-how__divider {
  grid-column: 1 / -1;
  height: 1px;
  background: rgba(255,255,255,.07);
}
.ailab-how__num {
  font-size: 38px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--ailab-violet) 0%, var(--ailab-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.ailab-how__label {
  font-size: 16px;
  font-weight: 700;
  color: var(--ailab-text-strong);
  margin-bottom: 8px;
}
.ailab-how__desc {
  font-size: 13px;
  color: var(--ailab-text-muted);
  line-height: 1.55;
}
.ailab-how__closing {
  text-align: center;
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 600;
  color: var(--ailab-text-body);
  font-style: italic;
}

/* ============================================================
   08 ENGAGEMENT MODELS
   ============================================================ */
.ailab-engagement__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ailab-gap-card);
}
.ailab-eng-card {
  border-radius: var(--ailab-radius-card);
  border: 1px solid rgba(255,255,255,.09);
  background: rgba(255,255,255,.045);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  box-shadow: 0 4px 20px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,.07);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  transition:
    transform var(--ailab-dur-slow) var(--ailab-ease),
    box-shadow var(--ailab-dur-slow) var(--ailab-ease);
}
.ailab-eng-card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.10); }
.ailab-eng-card--pilot { border-color: rgba(106,103,248,.55); box-shadow: 0 4px 24px rgba(106,103,248,.12), inset 0 1px 0 rgba(106,103,248,.15); }
.ailab-eng-card--ext   { background: rgba(106,103,248,.07); }

.ailab-eng-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--ailab-radius-pill);
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 16px;
}
.ailab-eng-badge--violet { background: var(--ailab-violet); color: #fff; }
.ailab-eng-badge--dark   { background: var(--ailab-bg-dark); color: var(--ailab-text-white); }

.ailab-eng-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ailab-text-strong);
  margin-bottom: 10px;
  line-height: 1.2;
}
.ailab-eng-card__desc {
  font-size: 13px;
  color: var(--ailab-text-muted);
  line-height: 1.55;
  flex: 1;
}
.ailab-eng-tag {
  display: inline-block;
  align-self: flex-start;
  margin-top: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ailab-violet-dark);
  background: rgba(106,103,248,.14);
  padding: 4px 10px;
  border-radius: var(--ailab-radius-pill);
}

/* ============================================================
   09 WHY AI LABORATORY — TINTED
   ============================================================ */
.ailab-why__row {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--ailab-border);
}
.ailab-why__row:first-of-type { border-top: 1px solid var(--ailab-border); }
.ailab-why__num {
  font-size: 30px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--ailab-violet) 0%, var(--ailab-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1;
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}
.ailab-why__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ailab-text-strong);
  margin-bottom: 8px;
}
.ailab-why__desc {
  font-size: 14px;
  color: var(--ailab-text-body);
  line-height: 1.6;
}

/* ============================================================
   10 TECHNOLOGY & EXPERTISE
   ============================================================ */
.ailab-tech__group { margin-bottom: 40px; }
.ailab-tech__group-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ailab-text-strong);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.ailab-tech__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.ailab-tech__chip {
  padding: 8px 16px;
  border-radius: var(--ailab-radius-pill);
  border: 1px solid var(--ailab-border-strong);
  background: var(--ailab-bg-sunken);
  font-size: 13px;
  font-weight: 600;
  color: var(--ailab-text-strong);
  transition:
    background var(--ailab-dur-base) var(--ailab-ease),
    color var(--ailab-dur-base) var(--ailab-ease),
    border-color var(--ailab-dur-base) var(--ailab-ease);
  cursor: default;
}
.ailab-tech__chip:hover {
  background: var(--ailab-bg-card-dark);
  color: var(--ailab-text-white);
  border-color: var(--ailab-bg-card-dark);
}
.ailab-tech__certs {
  padding: 24px 28px;
  border-radius: var(--ailab-radius-card);
  border: 1px solid var(--ailab-border);
  background: var(--ailab-bg-card);
}
.ailab-tech__cert-note {
  font-size: 11px;
  font-family: var(--ailab-mono);
  color: var(--ailab-text-muted);
  margin-bottom: 14px;
}
.ailab-tech__cert-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ailab-tech__cert-chip {
  padding: 6px 14px;
  border-radius: var(--ailab-radius-sm);
  border: 1px solid var(--ailab-border-strong);
  background: var(--ailab-bg-sunken);
  font-size: 12px;
  font-weight: 600;
  color: var(--ailab-text-body);
}

/* ============================================================
   11 TEAM
   ============================================================ */
.ailab-team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ailab-gap-card);
  margin-bottom: 20px;
}
.ailab-team-card {
  border-radius: var(--ailab-radius-card);
  border: 1px solid var(--ailab-border);
  background: var(--ailab-bg-card);
  padding: 28px 24px;
  transition:
    transform var(--ailab-dur-slow) var(--ailab-ease),
    box-shadow var(--ailab-dur-slow) var(--ailab-ease);
}
.ailab-team-card:hover { transform: translateY(-2px); box-shadow: var(--ailab-shadow-md); }
.ailab-team-card__photo {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
}
.ailab-team-card__placeholder {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(219,221,255,.70) 0%, rgba(106,103,248,.22) 100%);
  border: 1px solid rgba(106,103,248,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 800;
  color: var(--ailab-violet);
  letter-spacing: -0.02em;
}
.ailab-team-card__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ailab-text-strong);
  margin-bottom: 4px;
}
.ailab-team-card__role {
  font-size: 13px;
  font-weight: 600;
  color: var(--ailab-violet);
  margin-bottom: 12px;
}
.ailab-team-card__bio {
  font-size: 13px;
  color: var(--ailab-text-muted);
  line-height: 1.55;
  margin-bottom: 14px;
}
.ailab-team-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ailab-team-card__tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--ailab-text-muted);
  background: var(--ailab-bg-sunken);
  border: 1px solid var(--ailab-border);
  padding: 3px 10px;
  border-radius: var(--ailab-radius-pill);
}

.ailab-team__backend {
  padding: 18px 22px;
  border-radius: var(--ailab-radius-md);
  border: 1px solid var(--ailab-border);
  background: var(--ailab-bg-sunken);
  font-size: 14px;
  color: var(--ailab-text-body);
  line-height: 1.55;
}

/* ============================================================
   12 FAQ — TINTED
   ============================================================ */
.ailab-faq__list { max-width: 720px; }
.ailab-faq__item { border-bottom: 1px solid var(--ailab-border-strong); }
.ailab-faq__item:first-of-type { border-top: 1px solid var(--ailab-border-strong); }

.ailab-faq__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}
.ailab-faq__q {
  font-size: 15px;
  font-weight: 600;
  color: var(--ailab-text-strong);
  line-height: 1.35;
}
.ailab-faq__icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  margin-top: 2px;
  color: var(--ailab-text-muted);
  transition: transform var(--ailab-dur-base) var(--ailab-ease),
              color var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-faq__item.is-open .ailab-faq__icon {
  transform: rotate(45deg);
  color: var(--ailab-violet);
}
.ailab-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--ailab-dur-slow) ease-in-out;
}
.ailab-faq__item.is-open .ailab-faq__answer { max-height: 320px; }
.ailab-faq__a {
  font-size: 14px;
  color: var(--ailab-text-body);
  line-height: 1.65;
  padding-bottom: 20px;
}

/* ============================================================
   13 FINAL CTA — DARK
   ============================================================ */
.ailab-cta { background: var(--ailab-grad-ink); position: relative; overflow: hidden; }
.ailab-cta__inner { max-width: 620px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }

.ailab-cta__headline {
  font-size: clamp(24px, 4.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ailab-text-white);
  line-height: 1.08;
  margin-bottom: 16px;
}
.ailab-cta__subline {
  font-size: 16px;
  color: var(--ailab-text-light);
  margin-bottom: 44px;
  line-height: 1.6;
}
.ailab-cta__flow {
  margin-bottom: 44px;
  text-align: left;
}
.ailab-cta__step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--ailab-border-dark);
}
.ailab-cta__step:first-of-type { border-top: 1px solid var(--ailab-border-dark); }
.ailab-cta__step-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--ailab-violet-dark);
  line-height: 1;
  min-width: 32px;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.ailab-cta__step-text {
  font-size: 14px;
  color: var(--ailab-text-light);
  line-height: 1.5;
  padding-top: 3px;
}

/* Form */
.ailab-form {
  background: var(--ailab-bg-dark-2);
  border: 1px solid var(--ailab-border-dark);
  border-radius: var(--ailab-radius-card);
  padding: 28px 32px;
  text-align: left;
  margin-bottom: 28px;
}
.ailab-form__group { margin-bottom: 14px; }
.ailab-form__label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ailab-text-light);
  margin-bottom: 6px;
}
.ailab-form__label-hint {
  font-weight: 400;
  color: var(--ailab-text-muted);
  margin-left: 4px;
}
.ailab-form__input,
.ailab-form__textarea {
  width: 100%;
  background: rgba(20,22,43,.6);
  border: 1.5px solid rgba(214,218,230,.18);
  border-radius: var(--ailab-radius-sm);
  color: var(--ailab-text-white);
  font-family: var(--ailab-font);
  font-size: 14px;
  padding: 11px 14px;
  outline: none;
  transition:
    border-color var(--ailab-dur-base) var(--ailab-ease),
    box-shadow var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-form__input::placeholder,
.ailab-form__textarea::placeholder { color: rgba(127,135,155,.7); }
.ailab-form__input:focus,
.ailab-form__textarea:focus {
  border-color: var(--ailab-violet-dark);
  box-shadow: 0 0 0 3px rgba(106,103,248,.18);
}
.ailab-form__input.is-error,
.ailab-form__textarea.is-error {
  border-color: #FF002E;
}
.ailab-form__textarea { resize: vertical; min-height: 78px; }
.ailab-form__submit { margin-top: 20px; }
.ailab-form__legal {
  font-size: 11px;
  color: var(--ailab-text-muted);
  margin-top: 12px;
  text-align: center;
  line-height: 1.5;
}
.ailab-form__legal a {
  color: var(--ailab-violet-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.ailab-form__fields {}
.ailab-form__success {
  display: none;
  padding: 20px 0;
  text-align: center;
  font-size: 15px;
  color: var(--ailab-text-light);
  line-height: 1.7;
}
.ailab-form__success strong { color: var(--ailab-text-white); display: block; margin-bottom: 4px; }
.ailab-form.is-submitted .ailab-form__fields { display: none; }
.ailab-form.is-submitted .ailab-form__success { display: block; }

.ailab-cta__contacts {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.ailab-cta__contact {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ailab-text-light);
  transition: color var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-cta__contact:hover { color: var(--ailab-text-white); }
.ailab-cta__contact img {
  width: 18px; height: 18px;
  opacity: .65;
  filter: invert(1);
}

/* ============================================================
   14 FOOTER — DARK
   ============================================================ */
.ailab-footer {
  background: var(--ailab-bg-dark-2);
  border-top: 1px solid var(--ailab-border-dark);
  padding: 28px var(--ailab-pad-page);
}
.ailab-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.ailab-footer__logo img { height: 70px; width: auto; filter: invert(1); }
.ailab-footer__logo-text { font-size: 15px; font-weight: 800; color: var(--ailab-text-white); }
.ailab-footer__nav { display: flex; gap: 24px; flex-wrap: wrap; }
.ailab-footer__nav a {
  font-size: 13px;
  color: var(--ailab-text-light);
  transition: color var(--ailab-dur-base) var(--ailab-ease);
}
.ailab-footer__nav a:hover { color: var(--ailab-text-white); }
.ailab-footer__right { display: flex; align-items: center; gap: 20px; }
.ailab-footer__social { opacity: .55; transition: opacity var(--ailab-dur-base) var(--ailab-ease); }
.ailab-footer__social:hover { opacity: 1; }
.ailab-footer__social img { width: 20px; height: 20px; filter: invert(1); }
.ailab-footer__copy { font-size: 12px; color: var(--ailab-text-muted); }

/* ============================================================
   RESPONSIVE — TABLET ≤ 1023px
   ============================================================ */
@media (max-width: 1023px) {
  :root {
    --ailab-pad-page:      32px;
    --ailab-section-space: 100px;
  }
  .ailab-hero__inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .ailab-engagement__grid { grid-template-columns: 1fr 1fr; }
  .ailab-cases__secondary { grid-template-columns: 1fr 1fr; }
  .ailab-ecosystem__logo-name { font-size: 18px; }
  .ailab-header__logo img { height: 32px; }
  .ailab-how__grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   RESPONSIVE — MOBILE < 768px
   ============================================================ */
@media (max-width: 767px) {
  :root {
    --ailab-pad-page:      20px;
    --ailab-section-space: 80px;
    --ailab-gap-card:      12px;
  }

  /* Header */
  .ailab-header { padding: 0 20px; }
  .ailab-header__nav,
  .ailab-header__actions { display: none; }
  .ailab-hamburger { display: flex; }

  /* Hero */
  .ailab-hero {
    min-height: auto;
    padding: 56px 20px;
  }
  .ailab-hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .ailab-hero__visual { order: -1; }
  .ailab-hero__sphere { max-width: 240px; margin: 0 auto; }
  .ailab-hero__actions { flex-direction: column; }
  .ailab-hero__actions .ailab-btn { width: 100%; }

  /* Partners ticker — mobile: keep single row, hide label */
  .ailab-ecosystem__inner { height: 52px; padding: 0; flex-direction: row; align-items: center; }
  .ailab-ecosystem__head  { display: none; }
  .ailab-ecosystem__rule  { display: none; }
  .ailab-ecosystem__ticker { width: 100%; flex: 1; }
  .ailab-ecosystem__logo-name { font-size: 15px; }
  .ailab-ecosystem__logo { padding: 0 32px; }

  /* What We Build — accordion */
  .ailab-build__row {
    grid-template-columns: 44px 1fr;
    cursor: pointer;
    user-select: none;
  }
  .ailab-build__icon { display: none; }
  .ailab-build__desc,
  .ailab-build__caps { display: none; }
  .ailab-build__row.is-open .ailab-build__desc { display: block; }
  .ailab-build__row.is-open .ailab-build__caps { display: flex; }
  .ailab-build__row:hover { padding-left: 0; padding-right: 0; margin: 0; }
  .ailab-build__title { margin-bottom: 0; }

  /* Cases featured — horizontal scroll */
  .ailab-cases__featured {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: 12px;
    margin-left: -20px;
    margin-right: -20px;
    padding: 0 20px;
    grid-template-columns: unset;
  }
  .ailab-case-card {
    flex: 0 0 82vw;
    scroll-snap-align: start;
  }
  .ailab-cases__secondary { grid-template-columns: 1fr; }

  /* How We Work */
  .ailab-how__grid { grid-template-columns: 1fr; gap: 0; }
  .ailab-how__divider { display: none; }
  .ailab-how__step {
    padding: 20px 0;
    border-bottom: 1px solid var(--ailab-border);
  }
  .ailab-how__num { font-size: 30px; margin-bottom: 8px; }

  /* Engagement */
  .ailab-engagement__grid { grid-template-columns: 1fr; }

  /* Why */
  .ailab-why__row { grid-template-columns: 48px 1fr; gap: 16px; }
  .ailab-why__num { font-size: 24px; }

  /* Tech chips */
  .ailab-tech__chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }
  .ailab-tech__chips::-webkit-scrollbar { display: none; }
  .ailab-tech__chip { flex-shrink: 0; }

  /* Team */
  .ailab-team__grid { grid-template-columns: 1fr; }

  /* Business-first */
  .ailab-biz__ambient { display: none; }
  .ailab-biz__flow { flex-direction: column; align-items: flex-start; gap: 6px; }
  .ailab-biz__arrow { transform: rotate(90deg); }

  /* CTA */
  .ailab-cta__inner { text-align: center; }
  .ailab-cta__flow { text-align: left; }
  .ailab-cta__contacts { justify-content: flex-start; flex-direction: column; gap: 16px; align-items: flex-start; }
  .ailab-cta__action { align-items: stretch; }
  .ailab-cta__open-btn { width: 100%; justify-content: center; font-size: 16px; padding: 16px 24px; }
  .ailab-cta__action-hint { text-align: center; }
  .ailab-form { padding: 20px; }

  /* Footer */
  .ailab-footer { padding: 24px 20px; }
  .ailab-footer__inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .ailab-footer__right { flex-wrap: wrap; }
  .ailab-footer__logo img { height: 40px; }

  /* Hero — tighten on phones */
  .ailab-hero { padding: 40px 20px 56px; }
  .ailab-hero__subtext { font-size: 14px; margin-bottom: 20px; }

  /* Hero diagram — smaller on mobile */
  .ailab-hero__visual { margin-bottom: -12px; }

  /* Kicker — tighter spacing on mobile */
  .ailab-kicker { letter-spacing: 0.10em; }

  /* Buttons — ensure 44px tap targets */
  .ailab-btn { min-height: 44px; padding: 13px 22px; }
  .ailab-hero__actions .ailab-btn { width: 100%; }

  /* Build row — kill hover styles on touch */
  .ailab-build__row:hover { background: transparent; padding-left: 0; padding-right: 0; margin: 0; }
  .ailab-build__row.is-open { background: rgba(106,103,248,.04); }

  /* Why rows — disable hover on touch */
  .ailab-why__row:hover { background: transparent; box-shadow: none; }

  /* Academy promo */
  .ailab-academy-promo { padding: 64px 20px; }
  .ailab-academy-promo__title { font-size: clamp(26px, 8vw, 36px); }
  .ailab-academy-promo__stat-val { font-size: 22px; }
  .ailab-academy-promo__cards { gap: 8px; }
  .ailab-academy-promo__sub { font-size: 14px; }

  /* FAQ list — full width on mobile */
  .ailab-faq__list { max-width: 100%; }
  .ailab-faq__q { font-size: 14px; }

  /* Section header spacing */
  .ailab-section-header { margin-bottom: 32px; }
}

/* ============================================================
   RESPONSIVE — SMALL PHONE < 480px
   ============================================================ */
@media (max-width: 479px) {
  :root {
    --ailab-section-space: 64px;
    --ailab-pad-page: 16px;
  }

  /* Hide hero diagram on very small phones to bring CTAs up */
  .ailab-hero__visual { display: none; }

  .ailab-hero__headline { font-size: clamp(26px, 9vw, 34px); }

  .amc-slide__client { font-size: 24px !important; }

  .ailab-cta__headline { font-size: clamp(22px, 7vw, 28px); }

  .ailab-academy-promo__stats { gap: 16px; }
  .ailab-academy-promo__stat-val { font-size: 20px; }

  .ailab-eng-card { padding: 20px 16px; }

  .ailab-how__step { padding: 16px 0; }

  .ailab-footer__nav { gap: 16px; }
}

/* ============================================================
   VISUAL DEPTH — Phase 4.5
   Pseudo-element textures, section backgrounds, micro-enhancements
   ============================================================ */

/* B. Hero text / UI overrides for dark SVG background */
.ailab-hero .ailab-kicker          { color: var(--ailab-violet-dark); }
.ailab-hero .ailab-btn--secondary  {
  border-color: rgba(255,255,255,.30);
  color: var(--ailab-text-white);
  background: rgba(255,255,255,.06);
}
.ailab-hero .ailab-btn--secondary:hover {
  border-color: var(--ailab-violet-dark);
  color: var(--ailab-violet-dark);
  background: rgba(143,141,250,.10);
}
/* Header on dark hero: stay transparent, text white-ish until scrolled */
.ailab-header:not(.is-scrolled) .ailab-header__nav a   { color: rgba(254,252,255,.85); }
.ailab-header:not(.is-scrolled) .ailab-header__nav a:hover { color: #fff; }
.ailab-header:not(.is-scrolled) .ailab-hamburger span  { background: rgba(254,252,255,.85); }

/* C. Business-First — grid line texture (z-index:0 keeps content on top) */
.ailab-biz::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* D. CTA — radial glow bloom + grid texture */
.ailab-cta::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(106,103,248,.20) 0%, rgba(30,138,255,.07) 35%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}
.ailab-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* E. Tinted sections — dot pattern now in background-image directly */
.ailab-section--tinted .ailab-container {
  position: relative;
  z-index: 1;
}

/* F. Case card top — diagonal glow overlay */
.ailab-case-card__top::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 110% 120%, rgba(106,103,248,.30) 0%, transparent 60%),
    linear-gradient(135deg, rgba(30,138,255,.12) 0%, transparent 50%);
  pointer-events: none;
}

/* H. Technology section — handled by inline overrides */

/* J. Engagement card — animated top accent line */
.ailab-eng-card { position: relative; overflow: hidden; }
.ailab-eng-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ailab-violet) 0%, var(--ailab-blue) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ailab-dur-slow) var(--ailab-ease);
  border-radius: var(--ailab-radius-card) var(--ailab-radius-card) 0 0;
}
.ailab-eng-card:hover::before { transform: scaleX(1); }
.ailab-eng-card--pilot::before { transform: scaleX(1); }


/* N. Why AI Lab rows — hover accent */
.ailab-why__row { border-radius: 8px; }
.ailab-why__row:hover { background: rgba(106,103,248,.05); box-shadow: inset 2px 0 0 rgba(106,103,248,.50); }

/* O. Mobile menu — gradient background + ambient glow */
.ailab-mobile-menu {
  background: linear-gradient(160deg, #1B202B 0%, #14162B 60%, #1a1436 100%);
}
.ailab-mobile-menu::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 400px; height: 400px;
  background: radial-gradient(ellipse, rgba(106,103,248,.15) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================
   LIGHT SECTION BACKGROUNDS — tech SVG pattern
   ============================================================ */

#ailab-build,
#ailab-cases,
#ailab-how,
#ailab-engagement,
#ailab-tech {
  background-color: var(--ailab-bg-page);
  background-image: url('bg-light.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Team — tinted to break the consecutive-light-section transition */
#ailab-team {
  background-color: var(--ailab-bg-sunken);
  background-image:
    radial-gradient(rgba(106,103,248,.07) 1px, transparent 1px);
  background-size: 22px 22px;
  position: relative;
}
/* Gradient fade from tech (white) into team (tinted) */
#ailab-team::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(180deg, var(--ailab-bg-page) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
#ailab-team > * { position: relative; z-index: 1; }

/* ── Academy Promo block ───────────────────────────────── */
.ailab-academy-promo {
  padding: var(--ailab-section-space) var(--ailab-pad-page);
  background: var(--ailab-bg-dark);
  position: relative;
  overflow: hidden;
}
.ailab-academy-promo::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 100% at 100% 50%, rgba(106,103,248,.14) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 0% 80%, rgba(30,138,255,.08) 0%, transparent 55%);
  pointer-events: none;
}
.ailab-academy-promo__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.ailab-academy-promo__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(106,103,248,.18);
  border: 1px solid rgba(106,103,248,.35);
  border-radius: var(--ailab-radius-pill);
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ailab-violet-dark);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.ailab-academy-promo__title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}
.ailab-academy-promo__title em {
  font-style: normal;
  background: linear-gradient(135deg, #8F8DFA 0%, #1E8AFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ailab-academy-promo__sub {
  font-size: 16px;
  color: rgba(255,255,255,.55);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 440px;
}
.ailab-academy-promo__stats {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.ailab-academy-promo__stat-val {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1;
}
.ailab-academy-promo__stat-lbl {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,.40);
  margin-top: 4px;
}
/* Right side — card list */
.ailab-academy-promo__cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ailab-academy-promo__card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--ailab-radius-md);
  padding: 16px 20px;
  transition: background var(--ailab-dur-base) var(--ailab-ease),
              border-color var(--ailab-dur-base) var(--ailab-ease);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.ailab-academy-promo__card:hover {
  background: rgba(106,103,248,.10);
  border-color: rgba(106,103,248,.35);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(106,103,248,.12);
}
.ailab-academy-promo__card--accent {
  background: rgba(106,103,248,.12);
  border-color: rgba(106,103,248,.30);
}
.ailab-academy-promo__card-icon {
  font-size: 22px;
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,.07);
  display: flex; align-items: center; justify-content: center;
}
.ailab-academy-promo__card-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}
.ailab-academy-promo__card-meta {
  font-size: 12px;
  color: rgba(255,255,255,.40);
}
.ailab-academy-promo__more {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--ailab-violet-dark);
  padding: 10px;
  border-radius: var(--ailab-radius-sm);
  border: 1px dashed rgba(106,103,248,.30);
  transition: border-color var(--ailab-dur-base), color var(--ailab-dur-base);
}
.ailab-academy-promo__more:hover {
  border-color: var(--ailab-violet);
  color: #fff;
}

@media (max-width: 1023px) {
  .ailab-academy-promo__inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 767px) {
  .ailab-academy-promo__stats { gap: 20px; }
}

/* Tinted sections keep their own dot pattern */
.ailab-section--tinted {
  background-color: var(--ailab-bg-sunken);
  background-image:
    radial-gradient(rgba(106,103,248,.08) 1px, transparent 1px);
  background-size: 22px 22px;
}