/* ═══════════════════════════════════════════════════════════
   HEVAI Design System — Core-Heat Glassmorphism
   ═══════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

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

:root {
  /* Cyan-Lavender Light Palette */
  --bg: #e8f6f8;
  --bg-gradient: linear-gradient(145deg, #d4f1f9 0%, #e0d4f5 35%, #d4f1f9 65%, #dcd0f0 100%);
  --surface: rgba(255,255,255,0.55);
  --surface-high: rgba(255,255,255,0.70);
  --surface-highest: rgba(255,255,255,0.85);
  --on-surface: #1a1a2e;
  --on-surface-dim: #4a4a6a;
  --primary: #e60026;
  --primary-container: #c4001f;
  --secondary: #0a4f5c;
  --secondary-container: #0891b2;
  --tertiary: #7c3aed;
  --tertiary-container: #8549ff;
  --outline: #b8c4d0;
  --outline-dim: rgba(180,190,210,0.35);

  /* Spacing */
  --container: 1280px;
  --gutter: 24px;
  --margin-mobile: 16px;
  --margin-desktop: 48px;

  /* Typography */
  --font-primary: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--on-surface);
  overflow-x: hidden;
  line-height: 1.6;
}

::selection {
  background: var(--primary-container);
  color: #fff;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── Background Mesh ─── */
.mesh-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -50;
  overflow: hidden;
}
.mesh-bg .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
}
.mesh-bg .blob-1 {
  top: -20%; left: -10%;
  width: 70vw; height: 70vw;
  background: rgba(0,210,230,0.18);
  animation: blobFloat 15s infinite alternate;
}
.mesh-bg .blob-2 {
  top: 20%; right: -20%;
  width: 60vw; height: 60vw;
  background: rgba(180,160,240,0.18);
  animation: blobFloat 20s infinite alternate-reverse 2s;
}
.mesh-bg .blob-3 {
  bottom: -20%; left: 20%;
  width: 80vw; height: 80vw;
  background: rgba(100,220,240,0.15);
  animation: blobFloat 18s infinite alternate 4s;
}

@keyframes blobFloat {
  0%   { transform: translate(0,0) scale(1); }
  33%  { transform: translate(50px,-50px) scale(1.1); }
  66%  { transform: translate(-20px,20px) scale(0.9); }
  100% { transform: translate(0,0) scale(1); }
}

/* ─── Glass Card ─── */
.glass {
  background: rgba(255,255,255,0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.60);
  border-radius: 16px;
}
.glass-strong {
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.70);
  border-radius: 16px;
}
.inner-glow {
  box-shadow: inset 0 1px 0 0 rgba(255,255,255,0.7),
              inset 1px 0 0 0 rgba(0,200,230,0.10),
              0 4px 16px rgba(0,0,0,0.06);
}

/* ─── Container ─── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--margin-mobile);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--margin-desktop); }
}

/* ─── Navbar ─── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.50);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--outline-dim);
  transition: all 0.4s ease;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.80);
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}
.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.nav-brand {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: none; gap: var(--gutter); align-items: center; }
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-dim);
  transition: color 0.3s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.nav-links a:hover { color: var(--secondary); }
.nav-cta {
  display: none;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--primary-container), var(--tertiary-container));
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s;
  box-shadow: 0 0 20px rgba(230,0,38,0.3);
}
.nav-cta:hover {
  background: var(--primary);
  color: #000;
  box-shadow: 0 0 30px rgba(230,0,38,0.5);
}
.mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.mobile-toggle span {
  width: 24px; height: 2px;
  background: var(--on-surface-dim);
  border-radius: 2px;
  transition: 0.3s;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .mobile-toggle { display: none; }
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 120px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(8,145,178,0.30);
  background: rgba(255,255,255,0.50);
  backdrop-filter: blur(12px);
  margin-bottom: 32px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--secondary-container);
  animation: pulse 2s infinite;
  box-shadow: 0 0 8px rgba(0,244,254,0.8);
}
.hero-badge span {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--secondary);
}
.hero h1 {
  font-size: clamp(40px, 8vw, 88px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(230,0,38,0.3));
}
.hero p {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--on-surface-dim);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn-primary {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary-container), var(--tertiary-container));
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s;
  box-shadow: 0 0 20px rgba(230,0,38,0.3);
}
.btn-primary:hover {
  background: var(--primary);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(230,0,38,0.4);
}
.btn-ghost {
  padding: 14px 32px;
  border: 1px solid rgba(8,145,178,0.3);
  color: var(--on-surface);
  border-radius: 999px;
  background: rgba(255,255,255,0.3);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s;
}
.btn-ghost:hover {
  border-color: var(--secondary-container);
  color: var(--secondary);
  background: rgba(0,244,254,0.05);
}

/* Hero Dashboard Preview */
.hero-preview {
  width: 100%;
  max-width: 1000px;
  margin-top: 64px;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}
.hero-preview .preview-frame {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.12);
}

/* ─── Stats Bar ─── */
.stats-bar {
  padding: 64px 0;
  border-top: 1px solid var(--outline-dim);
  border-bottom: 1px solid var(--outline-dim);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat-item { text-align: center; }
.stat-value {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-value.crimson { color: var(--primary); }
.stat-value.cyan { color: var(--secondary-container); }
.stat-value.purple { color: var(--tertiary); }
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--on-surface-dim);
  margin-top: 8px;
}

/* ─── Section Headers ─── */
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--secondary-container);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--on-surface-dim);
  max-width: 560px;
  line-height: 1.7;
}

/* ─── Services Section ─── */
.services { padding: 120px 0; }
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  margin-top: 64px;
}
@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  cursor: default;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.service-card .card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  font-size: 24px;
}
.service-card .card-icon.crimson-bg {
  background: rgba(230,0,38,0.10);
  color: var(--primary-container);
}
.service-card .card-icon.cyan-bg {
  background: rgba(8,145,178,0.12);
  color: var(--secondary-container);
}
.service-card .card-icon.purple-bg {
  background: rgba(133,73,255,0.12);
  color: var(--tertiary-container);
}
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 14px;
  color: var(--on-surface-dim);
  line-height: 1.7;
}
.service-card .card-glow {
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 50%;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.service-card:hover .card-glow { opacity: 1; }

/* ─── Industries Section ─── */
.industries { padding: 120px 0; }
.industries-orbital {
  position: relative;
  max-width: 900px;
  margin: 64px auto 0;
}
.industries-center {
  text-align: center;
  padding: 40px;
  border-radius: 50%;
  width: 280px; height: 280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.industries-center h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}
@media (min-width: 768px) {
  .industries-grid { grid-template-columns: repeat(4, 1fr); }
}
.industry-chip {
  padding: 20px;
  text-align: center;
  transition: all 0.3s;
}
.industry-chip:hover {
  transform: translateY(-2px);
  border-color: rgba(0,244,254,0.2);
}

.industry-chip h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}
.industry-chip p {
  font-size: 11px;
  color: var(--on-surface-dim);
  font-family: var(--font-mono);
}

/* ─── Comparison Section ─── */
.comparison { padding: 120px 0; }
.comparison-table {
  margin-top: 64px;
  overflow: hidden;
  border-radius: 16px;
}
.comp-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--outline-dim);
}
.comp-row:last-child { border-bottom: none; }
.comp-cell {
  padding: 24px;
  font-size: 14px;
  line-height: 1.6;
}
.comp-cell.header {
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.comp-cell.label-cell {
  font-weight: 600;
  color: var(--on-surface);
  border-right: 1px solid var(--outline-dim);
}
.comp-cell.generic {
  color: var(--on-surface-dim);
  border-right: 1px solid var(--outline-dim);
}
.comp-cell.hevai {
  color: var(--secondary);
  background: rgba(8,145,178,0.06);
}
@media (max-width: 640px) {
  .comp-row { grid-template-columns: 1fr; }
  .comp-cell { border-right: none !important; border-bottom: 1px solid var(--outline-dim); }
}

/* ─── Value Engine Section ─── */
.value-engine { padding: 120px 0; }
.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  margin-top: 64px;
}
@media (min-width: 768px) {
  .value-grid { grid-template-columns: repeat(3, 1fr); }
}
.value-card {
  padding: 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.value-card .value-number {
  font-size: 56px;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}
.value-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.value-card p {
  font-size: 14px;
  color: var(--on-surface-dim);
  line-height: 1.6;
}

/* ─── Leadership Section ─── */
.leadership { padding: 120px 0; }
.leaders-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 64px;
}
@media (min-width: 768px) {
  .leaders-grid { grid-template-columns: repeat(2, 1fr); }
}
.leader-card {
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
}
.leader-card:hover { transform: translateY(-4px); }
.leader-initials {
  width: 80px; height: 80px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 24px;
}
.leader-card h3 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.leader-card .leader-title {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 16px;
}
.leader-card p { font-size: 14px; color: var(--on-surface-dim); line-height: 1.7; }

/* ─── CTA Section ─── */
.cta-section {
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section h2 {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.cta-section p {
  font-size: 18px;
  color: var(--on-surface-dim);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,0,38,0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ─── Footer ─── */
.site-footer {
  border-top: 1px solid var(--outline-dim);
  padding: 60px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer-brand p {
  font-size: 14px;
  color: var(--on-surface-dim);
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.7;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--on-surface-dim);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--on-surface-dim);
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--outline-dim);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  color: var(--on-surface-dim);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Animations ─── */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1),
              transform 0.8s cubic-bezier(0.16,1,0.3,1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Particle canvas */
#particles-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #e8f6f8; }
::-webkit-scrollbar-thumb { background: #b8c4d0; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--secondary-container); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px; left: 0; right: 0; bottom: 0;
  background: rgba(232,246,248,0.95);
  backdrop-filter: blur(24px);
  z-index: 99;
  padding: 40px;
  flex-direction: column;
  gap: 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 24px;
  font-weight: 600;
  color: var(--on-surface);
  padding: 12px 0;
  border-bottom: 1px solid var(--outline-dim);
}