:root {
  --bg: #07111f;
  --bg-soft: #0d1728;
  --panel: #111b2f;
  --panel-2: #0d1626;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(34, 211, 238, 0.22);
  --text: #f8fafc;
  --muted: #97a7c2;
  --cyan: #22d3ee;
  --cyan-soft: #b8f6ff;
  --orange: #f97316;
  --orange-soft: #ffd5b8;
  --green: #22c55e;
  --violet: #a855f7;
  --blue: #60a5fa;
  --shadow: 0 24px 60px rgba(2, 8, 23, 0.46);
  --radius: 22px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(34, 211, 238, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(249, 115, 22, 0.14), transparent 28%),
    linear-gradient(180deg, #08111e, #050b16 65%);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

h1,
h2,
h3,
.logo,
.nav-cta,
.btn,
.live-pill,
.route-pill {
  font-family: "Space Grotesk", sans-serif;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.ambient-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, rgba(0,0,0,0.75), transparent 85%);
  opacity: 0.3;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 22px 6vw 12px;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.7);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--orange));
  box-shadow: 0 10px 22px rgba(34, 211, 238, 0.28);
  position: relative;
}

.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 12px;
  height: 2px;
  border-radius: 999px;
  background: rgba(7, 17, 31, 0.95);
  transform: translateX(-50%);
}

.logo-mark::before {
  top: 14px;
  box-shadow: 0 5px 0 rgba(7, 17, 31, 0.95);
}

.logo-mark::after {
  top: 19px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.2);
  color: var(--cyan-soft);
  background: rgba(34, 211, 238, 0.08);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  padding: 10px;
}

.menu-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.menu-line + .menu-line {
  margin-top: 4px;
}

.section {
  padding: 76px 6vw;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 34px;
  align-items: start;
  padding-top: 52px;
}

.hero-copy,
.hero-stage,
.section-heading,
.platform-card,
.experience-card,
.assistant-shell,
.ops-card,
.contact-shell {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--orange-soft);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.hero h1,
.section-heading h2,
.assistant-copy h2,
.contact-copy h2 {
  font-size: clamp(2.4rem, 4.8vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.hero-text,
.section-heading p,
.assistant-copy p,
.contact-copy p {
  margin-top: 18px;
  color: var(--muted);
  max-width: 62ch;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--orange), #ff8f3d);
  color: #130a05;
  box-shadow: 0 18px 34px rgba(249, 115, 22, 0.28);
}

.btn.ghost {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.03);
}

.hero-signals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.signal-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(34, 211, 238, 0.14);
  background: linear-gradient(180deg, rgba(11, 25, 38, 0.92), rgba(9, 18, 31, 0.96));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

.signal-card.accent {
  border-color: rgba(249, 115, 22, 0.18);
}

.signal-card.warm {
  border-color: rgba(168, 85, 247, 0.16);
}

.signal-card strong {
  display: block;
  font-size: 1rem;
}

.signal-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-stage {
  display: grid;
  gap: 16px;
}

.hero-board {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(14, 23, 39, 0.94), rgba(8, 14, 24, 0.98));
  box-shadow: var(--shadow);
}

.hero-board-main {
  padding: 22px;
}

.hero-board-side {
  padding: 18px 20px;
}

.board-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.board-top p {
  color: var(--muted);
  font-size: 0.92rem;
}

.live-pill,
.route-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(34, 211, 238, 0.18);
  background: rgba(34, 211, 238, 0.08);
  color: var(--cyan-soft);
}

.flow-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.flow-node {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.flow-node.active {
  border-color: rgba(34, 211, 238, 0.24);
  background: rgba(34, 211, 238, 0.08);
}

.flow-node b,
.mock-card h3,
.platform-card h3,
.experience-card h3,
.ops-card h3,
.assistant-result-card strong {
  font-size: 1rem;
}

.flow-node span,
.mock-card p,
.stack-list span,
.platform-card p,
.experience-card p,
.experience-card li,
.ops-card p,
.assistant-result-card span,
.contact-shell .form-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-mock-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.mock-card {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.mock-card.cyan {
  border-color: rgba(34, 211, 238, 0.18);
}

.mock-card.amber {
  border-color: rgba(249, 115, 22, 0.18);
}

.mock-kicker {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--cyan-soft);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mock-tags,
.assistant-command-list,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mock-tags span,
.command-chip {
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  font-size: 0.8rem;
  color: var(--text);
}

.mock-metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.mock-metric-row div {
  padding: 12px;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}

.mock-metric-row b {
  display: block;
  font-size: 1.05rem;
}

.mock-metric-row span {
  color: var(--muted);
  font-size: 0.82rem;
}

.stack-list {
  display: grid;
  gap: 12px;
}

.stack-list div {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.stack-list b {
  display: block;
  margin-bottom: 4px;
}

.section-grid,
.showcase-section,
.operations-section {
  background: linear-gradient(180deg, rgba(10, 18, 31, 0.46), rgba(8, 14, 24, 0.88));
}

.section-heading {
  margin-bottom: 30px;
}

.section-heading.narrow {
  max-width: 760px;
}

.platform-grid,
.experience-grid,
.ops-grid {
  display: grid;
  gap: 18px;
}

.platform-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.platform-card,
.experience-card,
.ops-card {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 26, 42, 0.92), rgba(10, 16, 28, 0.98));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(34,211,238,0.18), rgba(249,115,22,0.18));
  color: var(--text);
  font-weight: 700;
}

.experience-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.experience-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.experience-icon {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #06101d;
}

.experience-icon.cyan { background: linear-gradient(135deg, #6ee7f8, #22d3ee); }
.experience-icon.amber { background: linear-gradient(135deg, #fdba74, #f97316); }
.experience-icon.green { background: linear-gradient(135deg, #86efac, #22c55e); }
.experience-icon.violet { background: linear-gradient(135deg, #d8b4fe, #a855f7); }
.experience-icon.coral { background: linear-gradient(135deg, #fdba74, #fb7185); }
.experience-icon.blue { background: linear-gradient(135deg, #bfdbfe, #60a5fa); }

.experience-card ul {
  display: grid;
  gap: 10px;
  padding-left: 18px;
}

.assistant-shell,
.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 24px;
  align-items: start;
  padding: 24px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 21, 36, 0.94), rgba(8, 14, 24, 0.98));
  box-shadow: var(--shadow);
}

.assistant-command-list {
  margin-top: 22px;
}

.assistant-window {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(34, 211, 238, 0.14);
  background: linear-gradient(180deg, rgba(16, 26, 42, 0.92), rgba(10, 16, 28, 0.98));
}

.assistant-window-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.assistant-window-top b {
  color: var(--cyan-soft);
}

.assistant-message {
  padding: 14px 16px;
  border-radius: 18px;
  margin-top: 10px;
  border: 1px solid var(--line);
}

.assistant-message.user {
  background: rgba(34, 211, 238, 0.08);
}

.assistant-message.assistant {
  background: rgba(255,255,255,0.04);
}

.assistant-result-stack {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.assistant-result-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.ops-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.94rem;
}

.contact-form input,
.contact-form select {
  width: 100%;
  padding: 13px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.contact-form input::placeholder {
  color: #70819e;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 6vw 36px;
  color: var(--muted);
}

.site-footer strong {
  display: block;
  color: var(--text);
  margin-bottom: 6px;
}

.footer-links a:hover {
  color: var(--text);
}

@media (max-width: 1180px) {
  .hero,
  .assistant-shell,
  .contact-shell {
    grid-template-columns: 1fr;
  }

  .platform-grid,
  .ops-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 6vw;
    right: 6vw;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: rgba(8, 14, 24, 0.98);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .hero-signals,
  .hero-mock-grid,
  .platform-grid,
  .experience-grid,
  .ops-grid {
    grid-template-columns: 1fr;
  }

  .ai-context-shell {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header,
  .section,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero h1,
  .section-heading h2,
  .assistant-copy h2,
  .contact-copy h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }
}