@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;450;500;600;700&display=swap');

:root {
  --bg: #ffffff;
  --bg2: #f5f8fb;
  --bg-deep: #edf2f7;
  --panel: #052d49;
  --panel-strong: #0a3b57;

  --surface-glass: rgba(13, 30, 45, 0.06);
  --surface-glass-strong: rgba(13, 30, 45, 0.10);
  --surface: rgba(13, 30, 45, 0.05);
  --surface-soft: rgba(13, 30, 45, 0.03);

  --text-primary: #0d1e2d;
  --text: #0d1e2d;
  --text-secondary: rgba(13, 30, 45, 0.70);
  --muted: rgba(13, 30, 45, 0.52);

  --accent: #7fb7d8;
  --accent-strong: #a6cfe8;
  --accent-soft: rgba(127, 183, 216, 0.16);

  --border-soft: rgba(13, 30, 45, 0.10);
  --border-strong: rgba(13, 30, 45, 0.20);
  --line: rgba(13, 30, 45, 0.08);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius: 22px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-soft: 0 16px 50px rgba(0, 0, 0, 0.24);
  --shadow-premium: 0 30px 90px rgba(0, 0, 0, 0.36);
  --shadow-deep: 0 30px 120px rgba(0, 0, 0, 0.36);

  --container: 1280px;

  --font-primary: "Inter", Arial, sans-serif;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--bg); color: var(--text); }

body {
  margin: 0;
  font-family: var(--font-primary);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  letter-spacing: -0.01em;
}

img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ─── Background layers ─── */
.tech-grid,
.tech-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.tech-grid {
  background-image:
    linear-gradient(rgba(13, 30, 45, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 30, 45, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(13, 30, 45, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 30, 45, 0.03) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px, 16px 16px, 16px 16px;
  mask-image: radial-gradient(circle at center, black 18%, rgba(0,0,0,0.7) 48%, transparent 82%);
  animation: gridDrift 80s linear infinite;
}

.tech-glow {
  background: radial-gradient(600px circle at var(--mouse-x, 55%) var(--mouse-y, 35%), rgba(122, 184, 238, 0.10), transparent 34%);
}

@keyframes gridDrift { to { transform: translate(64px, 64px); } }

/* ─── Header ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 22px 24px 12px 24px;
  border: none;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  transition: background 0.2s ease, padding 0.2s ease;
}

.site-header.scrolled {
  padding: 12px 24px;
  background: linear-gradient(180deg, #011f38 0%, #00334f 46%, #002d45 100%);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 42px; width: auto; object-fit: contain; }
.brand div { display: flex; flex-direction: column; gap: 3px; }
.brand span {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  white-space: nowrap;
}
.brand small {
  font-size: 10px;
  color: rgba(245, 247, 250, 0.60);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
}

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  white-space: nowrap;
  line-height: 1.2;
  transition: color 200ms ease;
}

.nav a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

.nav-cta,
.nav-cta-outline,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 280ms ease, transform 280ms ease, border-color 280ms ease, color 280ms ease;
}

/* Primary — filled white */
.nav-cta {
  border: 1.5px solid #ffffff;
  background: #ffffff;
  color: #0d1e2d;
}
.nav-cta:hover {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-1px);
}

/* Secondary — outline */
.nav-cta-outline,
.btn {
  border: 1.5px solid rgba(255, 255, 255, 0.82);
  background: rgba(0, 54, 90, 0.24);
  color: #fff;
}
.nav-cta-outline:hover,
.btn:hover {
  background: rgba(127, 183, 216, 0.22);
  border-color: rgba(255, 255, 255, 0.95);
  transform: translateY(-1px);
}

/* Dark buttons for light/white background sections */
.section .btn,
.role-section .btn,
.story-section .btn,
.two-column .btn {
  border-color: rgba(13, 30, 45, 0.85);
  background: #0d1e2d;
  color: #ffffff;
}
.section .btn:hover,
.role-section .btn:hover,
.story-section .btn:hover,
.two-column .btn:hover {
  background: rgba(13, 30, 45, 0.80);
  border-color: rgba(13, 30, 45, 0.85);
}

.menu-btn {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.20);
  color: rgba(255, 255, 255, 0.78);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
}

/* ─── Hero ─── */
.hero,
.page-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 6vw 80px;
  overflow: hidden;
  isolation: isolate;
  z-index: 1;
}

.page-hero {
  background-size: cover;
  background-position: center;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -4;
  opacity: 1;
  filter: brightness(0.88) saturate(0.96) contrast(1.02);
}

.hero-scrim,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.52));
}

.grid-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.10;
  background-image:
    linear-gradient(rgba(122, 184, 238, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 184, 238, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
}

.page-hero::before {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.50), rgba(0, 0, 0, 0.80));
}

.hero-inner,
.page-hero .page-content {
  max-width: 840px;
  position: relative;
  z-index: 2;
}

/* ─── Typography ─── */
h1, h2, h3, h4, p { margin-top: 0; }

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(26px, 3.2vw, 48px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.hero h1,
.page-hero h1 { color: #ffffff; }

h2 {
  margin-bottom: 16px;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 600;
  line-height: 1.1;
}

h3 {
  margin-bottom: 14px;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 600;
}

p {
  color: rgba(13, 30, 45, 0.72);
  font-size: 16px;
  line-height: 1.75;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Eyebrow on dark backgrounds */
.hero .eyebrow,
.page-hero .eyebrow { color: rgba(255, 255, 255, 0.85); }
.cta-band .eyebrow { color: rgba(255, 255, 255, 0.80); }

.hero-copy,
.page-hero p {
  max-width: 680px;
  color: rgba(245, 247, 250, 0.90);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

/* ─── Layout containers ─── */
.section,
.outcome-strip,
.platform-preview {
  width: min(1400px, calc(100% - 36px));
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-band {
  position: relative;
  z-index: 2;
}

.section { padding: 108px 0; }

.section::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(13, 30, 45, 0.08), transparent);
}

.page-hero { min-height: 72vh; padding: 140px 6vw 80px; display: grid; align-items: center; }
.page-hero h1 { font-size: clamp(24px, 2.8vw, 42px); }
.page-hero .page-content { margin-top: 14px; }

.two-column,
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.section.split { align-items: center; }

/* ─── Outcome Strip ─── */
.outcome-strip {
  width: 100% !important;
  max-width: 100%;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(122, 184, 238, 0.18);
  border-bottom: 1px solid rgba(122, 184, 238, 0.18);
  background: #031523;
  padding: 0;
}

.outcome-strip__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px 32px;
  font-size: clamp(14px, 1.2vw, 16px);
  line-height: 1.3;
  color: #f5f7fa;
  border-right: 1px solid rgba(122, 184, 238, 0.12);
}

.outcome-strip__item:last-child { border-right: 0; }

.outcome-strip__item strong {
  font-weight: 650;
  color: #ffffff;
}

.outcome-strip__item span {
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
}

.outcome-icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ─── Role tiles ─── */
.role-section { padding: 72px 0 96px; }

.section-inner {
  width: min(calc(100% - 36px), 1280px);
  margin: 0 auto;
}

.section-eyebrow {
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}

.role-section h2 {
  max-width: 820px;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.1;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 40px;
}

.role-tile-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.role-tile {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(127, 183, 216, 0.40);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  transition: transform 280ms ease, box-shadow 280ms ease;
}

.role-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transform: scale(1.02);
  transition: transform 300ms ease;
}

.role-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(3, 20, 34, 0.12) 0%,
    rgba(3, 20, 34, 0.45) 45%,
    rgba(3, 20, 34, 0.90) 100%
  );
  z-index: 1;
}

.role-tile__content {
  position: absolute;
  inset: 16px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.role-tile__icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(5, 32, 52, 0.82);
  border: 1.5px solid rgba(127, 183, 216, 0.55);
  font-size: 17px;
}

.role-tile h3 {
  margin: 0 0 6px;
  color: #ffffff;
  font-size: clamp(15px, 1.2vw, 19px);
  line-height: 1.1;
  font-weight: 600;
}

.role-tile__sub {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 400;
  line-height: 1.3;
}

.role-tile:hover { transform: translateY(-2px); box-shadow: 0 24px 60px rgba(0,0,0,0.34); }
.role-tile:hover img { transform: scale(1.07); }

/* ─── Audience strip (legacy pills) ─── */
.audience-strip { padding: 72px 0; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }

.chips span {
  padding: 11px 16px;
  border: 1px solid rgba(13, 30, 45, 0.14);
  border-radius: 999px;
  background: rgba(13, 30, 45, 0.04);
  color: rgba(13, 30, 45, 0.78);
  font-size: 13px;
}

/* ─── Cards ─── */
.product-grid,
.card-grid,
.quote-grid,
.tech-diagram,
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }

.section.card-grid > .eyebrow,
.section.card-grid > h2 { grid-column: 1 / -1; }

.product-card,
.glass-card,
.diagram-card,
blockquote,
.contact-card,
.mini-steps div,
.insight-card {
  position: relative;
  padding: 26px;
  border: 1px solid rgba(122, 184, 238, 0.12);
  border-radius: 24px;
  background: rgba(3, 26, 46, 0.88);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(122, 184, 238, 0.06);
  transition: transform 280ms ease, border-color 280ms ease, box-shadow 280ms ease;
}

.product-card:hover,
.glass-card:hover,
.diagram-card:hover,
blockquote:hover,
.mini-steps div:hover,
.insight-card:hover {
  transform: translateY(-2px);
  border-color: rgba(122, 184, 238, 0.26);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.26), 0 0 18px rgba(122, 184, 238, 0.08);
}

/* Glass panel */
.glass-panel {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.045));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.product-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 18px;
}

.section.product-grid { width: min(1480px, calc(100% - 36px)); }

.product-card div { padding: 24px 0 0; }

.card-kicker {
  margin-bottom: 12px;
  color: rgba(133, 204, 255, 0.92);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ─── Platform Preview ─── */
.platform-preview {
  margin-top: 32px;
  padding: 64px 48px;
  border: 1px solid rgba(122, 184, 238, 0.12);
  border-radius: 28px;
  background: rgba(4, 28, 48, 0.92);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(122, 184, 238, 0.05);
}

.platform-preview > .section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.platform-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-flow div {
  padding: 28px 24px;
  border: 1px solid rgba(122, 184, 238, 0.10);
  border-radius: 20px;
  background: rgba(8, 38, 62, 0.86);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.platform-flow span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(127, 183, 216, 0.10);
  border: 1.5px solid rgba(127, 183, 216, 0.35);
  color: rgba(127, 183, 216, 0.95);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.platform-flow strong {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

.platform-flow p {
  color: rgba(245, 247, 250, 0.58);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

/* ─── Platform Band ─── */
.platform-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  padding: 44px;
  border: 1px solid rgba(122, 184, 238, 0.12);
  border-radius: 28px;
  background: rgba(5, 25, 42, 0.92);
}

.mini-steps { display: grid; gap: 20px; }

.mini-steps div { padding: 24px; background: rgba(8, 26, 44, 0.9); }

/* ─── Outcomes ─── */
.outcomes .outcome-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.outcome-list div { min-height: 200px; }

/* ─── Insights / Story ─── */
.insights-grid .insight-card { padding: 0; overflow: hidden; }

.insight-card img { width: 100%; height: 220px; object-fit: cover; }
.insight-card h3, .insight-card p { margin: 18px 18px 10px; }
.insight-card p { margin-top: 0; margin-bottom: 18px; }

.story-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.story-section img { border-radius: 28px; object-fit: cover; height: 100%; }

/* ─── CTA Band — full-width image banner ─── */
.cta-band {
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 100px 6vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 28px;
  background-image: url('../assets/images/introduction.jpg');
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 8, 18, 0.72);
  z-index: 0;
}

.cta-band > * { position: relative; z-index: 1; }
.cta-band > div { max-width: 700px; }

.cta-band h2 {
  margin: 12px 0 16px;
  max-width: 660px;
  color: #ffffff;
}

.cta-band__desc {
  color: rgba(245, 247, 250, 0.72);
  font-size: 16px;
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto 8px;
}

/* ─── Contact / Forms ─── */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: start;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
  border: 1px solid rgba(122, 184, 238, 0.12);
  border-radius: 24px;
  background: rgba(3, 26, 46, 0.88);
}

.contact-form {
  padding: 36px;
  border: 1px solid rgba(122, 184, 238, 0.12);
  border-radius: 24px;
  background: rgba(3, 26, 46, 0.88);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}

.form-grid label,
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  font-weight: 400;
  color: rgba(245, 247, 250, 0.75);
}

.form-grid label.full { grid-column: 1 / -1; }

.form-grid input,
.form-grid select,
.form-grid textarea,
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(245, 247, 250, 0.92);
  font: inherit;
  font-size: 15px;
  font-weight: 400;
  transition: border-color 200ms ease;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-grid input::placeholder,
.form-grid textarea::placeholder,
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(245, 247, 250, 0.35);
  font-weight: 400;
}

.form-grid select:invalid,
.contact-form select:invalid {
  color: rgba(245, 247, 250, 0.35);
}

.form-grid select:valid,
.contact-form select:valid {
  color: rgba(245, 247, 250, 0.92);
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus,
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(127, 183, 216, 0.50);
}

.form-grid select option,
.contact-form select option { background: #061826; }

.contact-form textarea,
.form-grid textarea { min-height: 120px; resize: vertical; }

.contact-form label { margin-bottom: 18px; }

.form-confirm {
  display: none;
  padding: 52px 40px;
  border: 1px solid rgba(127, 183, 216, 0.20);
  border-radius: 24px;
  background: rgba(3, 26, 46, 0.88);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.form-confirm__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(127, 183, 216, 0.10);
  border: 1.5px solid rgba(127, 183, 216, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 24px;
  line-height: 1;
  color: var(--accent);
}

.form-confirm h3 {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.form-confirm p {
  color: rgba(245, 247, 250, 0.65);
  font-size: 15px;
  line-height: 1.7;
  max-width: 400px;
  margin: 0 auto 20px;
  font-weight: 400;
}

.form-confirm a {
  color: var(--accent);
  text-decoration: none;
}

.form-confirm__divider {
  width: 40px;
  height: 1px;
  background: rgba(127, 183, 216, 0.25);
  margin: 20px auto;
}

/* ─── Tile Link ─── */
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-decoration: none;
  transition: gap 200ms ease;
}

.btn-link:hover { gap: 10px; }

/* ─── Process Timeline ─── */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.timeline-step {
  padding: 28px 24px;
  border: 1px solid rgba(122, 184, 238, 0.12);
  border-radius: 20px;
  background: rgba(3, 26, 46, 0.88);
  transition: transform 280ms ease, border-color 280ms ease;
}

.timeline-step:hover {
  transform: translateY(-2px);
  border-color: rgba(122, 184, 238, 0.26);
}

.timeline-step > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid rgba(127, 183, 216, 0.60);
  color: rgba(127, 183, 216, 0.90);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0;
}

/* ─── Who We Serve — 4 overlay category cards ─── */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 44px;
}

.serve-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 340px;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 300ms ease;
}

.serve-card:hover { transform: translateY(-3px); }

.serve-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,8,18,0.08) 0%, rgba(0,8,18,0.78) 100%);
  z-index: 0;
}

.serve-card__content {
  position: relative;
  z-index: 1;
  padding: 28px 32px;
}

.serve-card__content h3 {
  color: #ffffff;
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 600;
  margin-bottom: 14px;
}

.serve-card__content ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.serve-card__content li {
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 100px;
  padding: 5px 14px;
  backdrop-filter: blur(6px);
}

/* ─── Footer ─── */
.footer {
  background: #061826;
  width: 100%;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 24px;
  padding: 48px max(18px, calc((100vw - 1180px) / 2));
  border-top: none;
  margin: 0;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-brand img { height: 42px; width: auto; align-self: flex-start; }

.footer-brand p {
  max-width: 300px;
  color: rgba(245, 247, 250, 0.60);
  line-height: 1.7;
  font-size: 14px;
  margin: 0;
}

.footer-brand > a {
  font-size: 14px;
  color: var(--accent);
  transition: color 200ms ease;
}

.footer-brand > a:hover { color: #ffffff; }

.footer-col h4 {
  margin-bottom: 16px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(245, 247, 250, 0.88);
}

.footer-col a {
  display: block;
  margin-bottom: 10px;
  color: rgba(245, 247, 250, 0.55);
  font-size: 14px;
  transition: color 200ms ease;
}

.footer-col a:hover { color: #ffffff; }

/* ─── Footer bottom bar ─── */
.footer-bottom {
  background: #061826;
  width: 100%;
  box-sizing: border-box;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px max(18px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(245, 247, 250, 0.42);
}

.footer-bottom a {
  color: rgba(245, 247, 250, 0.42);
  transition: color 200ms ease;
}

.footer-bottom a:hover { color: #ffffff; }

.footer-bottom__links {
  display: flex;
  gap: 20px;
}

/* ─── Back to top ─── */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 99;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.10);
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 220ms ease, transform 220ms ease, background 300ms ease, border-color 300ms ease, color 300ms ease;
}

.back-top.on-light {
  background: rgba(13, 30, 45, 0.88);
  border-color: rgba(13, 30, 45, 0.20);
  color: #ffffff;
}

.back-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ─── Hero CTA tile ─── */
.hero-cta-tile {
  position: absolute;
  right: 6vw;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 380px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 38px 34px;
  border-radius: 24px;
  background: rgba(2, 27, 48, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.28);
}

.hero-cta-tile h3 {
  margin: 0;
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 600;
  line-height: 1.2;
  color: #fff;
}

.hero-cta-tile p {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: rgba(245, 247, 250, 0.82);
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 255, 255, 0.82);
  background: rgba(127, 183, 216, 0.22);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  transition: background 280ms ease;
}

.hero-cta-btn:hover { background: rgba(127, 183, 216, 0.38); }

/* ─── Reveal animation ─── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Legal note ─── */
.legal-note {
  padding: 28px 32px;
  border: 1px solid rgba(13, 30, 45, 0.10);
  border-radius: 16px;
  background: rgba(13, 30, 45, 0.03);
  margin-top: 32px;
}

.legal-note p {
  font-size: 14px;
  color: rgba(13, 30, 45, 0.58);
  line-height: 1.7;
  margin: 0;
}

/* ─── Capability tiles (3-col image overlay, reuses role-tile) ─── */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 8px;
}

.role-tile__desc {
  margin: 6px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.55;
}

/* ─── Step tiles (platform intelligence) ─── */
.step-tile-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.step-tile {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(13, 30, 45, 0.10);
  background: #ffffff;
  box-shadow: 0 4px 24px rgba(13, 30, 45, 0.08);
  transition: transform 280ms ease, box-shadow 280ms ease;
}

.step-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(13, 30, 45, 0.12);
}

.step-tile img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.step-content {
  padding: 22px 20px 24px;
}

.step-content > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0;
}

.step-tile h3 {
  color: var(--text);
  font-size: clamp(14px, 1.1vw, 16px);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 8px;
}

.step-tile p {
  font-size: 13px;
  color: rgba(13, 30, 45, 0.65);
  line-height: 1.6;
  margin: 0;
}

/* ─── Dark-bg component overrides (restore white text after light-mode switch) ─── */
.product-card h2, .product-card h3, .product-card h4,
.glass-card h2, .glass-card h3, .glass-card h4,
.diagram-card h2, .diagram-card h3, .diagram-card h4,
.insight-card h3,
.platform-preview h2, .platform-preview h3, .platform-preview h4,
.platform-band h2, .platform-band h3, .platform-band h4,
.mini-steps h3, .mini-steps h4,
.cta-band h2, .cta-band h3,
.contact-card h2, .contact-card h3, .contact-card h4,
.timeline-step h3, .timeline-step h4,
.industry-card h3, .industry-card h4 { color: #ffffff; }

.product-card p, .glass-card p, .diagram-card p,
.insight-card p,
.platform-preview p, .platform-band p,
.mini-steps p, .contact-card p,
.timeline-step p, .industry-card p { color: rgba(245, 247, 250, 0.80); }

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .role-tile-grid { grid-template-columns: repeat(2, 1fr); }
  .step-tile-grid { grid-template-columns: repeat(2, 1fr); }
  .nav { gap: 14px; }
  .nav a { font-size: 13px; }
}

@media (max-width: 1024px) {
  .hero, .page-hero { padding: 90px 5vw 60px; }

  .two-column,
  .split,
  .platform-preview,
  .platform-band,
  .story-section,
  .contact-layout { grid-template-columns: 1fr; }

  .footer { grid-template-columns: 1fr 1fr; }

  .section { padding: 80px 0; }

  .outcome-strip { grid-template-columns: 1fr; }
  .outcome-strip__item { border-right: 0; border-bottom: 1px solid rgba(122, 184, 238, 0.12); justify-content: flex-start; }
  .outcome-strip__item:last-child { border-bottom: 0; }

  .platform-flow { grid-template-columns: 1fr 1fr; }

  .product-grid,
  .card-grid,
  .insights-grid,
  .outcomes .outcome-list,
  .serve-grid,
  .timeline { grid-template-columns: 1fr; }

  .hero-cta-tile { display: none; }
}

@media (max-width: 860px) {
  .outcome-strip__item { font-size: 14px; padding: 18px 22px; }
  .role-tile-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .hero, .page-hero { padding: 80px 4vw 50px; }
  h1 { font-size: clamp(30px, 10vw, 44px); }
  h2 { font-size: clamp(24px, 7vw, 32px); }
  .hero-copy, .page-hero p { font-size: 16px; }
  .product-card img { height: 200px; }
  .role-tile-grid,
  .capability-grid,
  .step-tile-grid { grid-template-columns: 1fr; }
  .role-tile { min-height: 260px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; margin-bottom: 24px; padding-top: 24px; }

  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(6, 24, 38, 0.97);
    padding: 20px 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: var(--shadow-soft);
  }
  .menu-btn { display: block; }
  .site-header { grid-template-columns: 1fr auto auto; }
}