/* ==============================================
   CSS Custom Properties
   ============================================== */
:root {
  --bg-base:        #04060f;
  --bg-surface:     #080d1f;
  --bg-card:        rgba(8, 13, 31, 0.75);
  --bg-card-hover:  rgba(12, 19, 42, 0.9);
  --bg-alt:         rgba(5, 8, 20, 0.6);

  --color-primary:   #00d4ff;
  --color-secondary: #7c3aed;
  --color-orange:    #f97316;
  --color-green:     #10b981;
  --color-pink:      #ec4899;
  --color-blue:      #3b82f6;

  --color-text:      #e8edf5;
  --color-muted:     #8892a4;
  --color-subtle:    #4a5568;

  --border-card:   rgba(0, 212, 255, 0.12);
  --border-hover:  rgba(0, 212, 255, 0.35);
  --border-violet: rgba(124, 58, 237, 0.3);

  --glow-primary:   0 0 30px rgba(0, 212, 255, 0.25);
  --glow-secondary: 0 0 30px rgba(124, 58, 237, 0.25);

  --font-heading: 'Orbitron', 'Space Grotesk', sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-height: 72px;
  --container:  1200px;
}

/* ==============================================
   Reset & Base
   ============================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--color-text);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
}

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* ==============================================
   Space Canvas Background
   ============================================== */
#space-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

main,
.nav,
.footer {
  position: relative;
  z-index: 1;
}

/* ==============================================
   Nebula gradient overlays (CSS-only atmosphere)
   ============================================== */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ==============================================
   Container & Layout
   ============================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==============================================
   Typography
   ============================================== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 900; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 700; }
h4 { font-size: 1rem; font-weight: 600; }

p { color: var(--color-muted); line-height: 1.7; }

.text-primary { color: var(--color-primary); }
.text-violet  { color: var(--color-secondary); }

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==============================================
   Buttons
   ============================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, #00bfdf 0%, #0088cc 100%);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3), 0 4px 15px rgba(0, 0, 0, 0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 212, 255, 0.5), 0 8px 25px rgba(0, 0, 0, 0.4);
}

.btn--primary-violet {
  background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3), 0 4px 15px rgba(0, 0, 0, 0.3);
}
.btn--primary-violet:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(124, 58, 237, 0.5), 0 8px 25px rgba(0, 0, 0, 0.4);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(0, 212, 255, 0.35);
}
.btn--ghost:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(0, 212, 255, 0.35);
}
.btn--outline:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--sm  { padding: 8px 18px; font-size: 0.75rem; }
.btn--lg  { padding: 16px 36px; font-size: 0.9rem; }

/* ==============================================
   Cards
   ============================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), var(--glow-primary);
  transform: translateY(-4px);
}

/* ==============================================
   Badges
   ============================================== */
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--glow {
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--color-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

.section__badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.15);
  color: var(--color-muted);
}

/* ==============================================
   Logo Mark
   ============================================== */
.logo-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(6, 136, 181, 0.45));
}
.logo-mark--sm { width: 28px; height: 28px; }

/* ==============================================
   Navigation
   ============================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.nav--scrolled {
  background: rgba(4, 6, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-card);
}

.nav__container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo em {
  font-style: normal;
  color: var(--color-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin-left: auto;
}

.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__link--active {
  color: var(--color-primary);
}

.nav__cta {
  margin-left: 16px;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  margin-left: auto;
  cursor: pointer;
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav__hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==============================================
   Hero Section
   ============================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 60px) 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero__content--center {
  text-align: center;
}

.hero__eyebrow {
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 20px;
  text-shadow: 0 0 60px rgba(0, 212, 255, 0.15);
}

.hero__tagline {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.hero__subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Orbital rings in hero */
.hero__orbitals,
.page-hero__orbitals {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.orbital {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.12);
  top: 50%;
  left: 50%;
}

.orbital--1 {
  width: 500px;
  height: 200px;
  transform: translate(-50%, -50%) rotateX(75deg);
  animation: orbit-spin 25s linear infinite;
}

.orbital--2 {
  width: 700px;
  height: 280px;
  border-color: rgba(124, 58, 237, 0.1);
  transform: translate(-50%, -50%) rotateX(75deg) rotateZ(30deg);
  animation: orbit-spin 40s linear infinite reverse;
}

.orbital--3 {
  width: 900px;
  height: 360px;
  border-color: rgba(0, 212, 255, 0.06);
  transform: translate(-50%, -50%) rotateX(75deg) rotateZ(-15deg);
  animation: orbit-spin 60s linear infinite;
}

@keyframes orbit-spin {
  from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg); }
  to   { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg); }
}

/* Orbital dots (satellites) */
.orbital-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary);
  top: 50%;
  left: 50%;
}

.orbital-dot--1 {
  animation: dot-orbit-1 25s linear infinite;
}

.orbital-dot--2 {
  background: var(--color-secondary);
  box-shadow: 0 0 12px var(--color-secondary);
  animation: dot-orbit-2 40s linear infinite reverse;
}

@keyframes dot-orbit-1 {
  from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg) translateX(250px) rotateX(-75deg); }
  to   { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg) translateX(250px) rotateX(-75deg); }
}

@keyframes dot-orbit-2 {
  from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(30deg) translateX(350px) rotateX(-75deg); }
  to   { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(390deg) translateX(350px) rotateX(-75deg); }
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  margin: 0 auto;
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50%       { opacity: 0.4; transform: scaleY(0.6); }
}

/* Short hero variant */
.hero--short {
  min-height: 70vh;
}

/* ==============================================
   Page Hero (sub-pages)
   ============================================== */
.page-hero {
  padding: calc(var(--nav-height) + 80px) 0 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 60%, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.page-hero__content h1 {
  margin: 12px 0 20px;
}

.page-hero__content p {
  font-size: 1.1rem;
  color: var(--color-muted);
}

/* ==============================================
   Stats Strip
   ============================================== */
.stats-strip {
  padding: 40px 0;
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
  background: rgba(5, 8, 20, 0.6);
  backdrop-filter: blur(10px);
}

.stats-strip__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 20px 48px;
  flex: 1;
  min-width: 160px;
}

.stat-item__value {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-item__label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border-card);
  flex-shrink: 0;
}

/* ==============================================
   Sections
   ============================================== */
.section {
  padding: 100px 0;
}

.section--alt {
  background: rgba(5, 8, 20, 0.5);
  backdrop-filter: blur(5px);
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section__header h2 {
  margin: 12px 0 16px;
}

.section__lead {
  font-size: 1.05rem;
  color: var(--color-muted);
  line-height: 1.75;
}

/* ==============================================
   Mission Cards
   ============================================== */
.mission__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mission__card {
  padding: 40px 32px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.mission__card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-primary);
}

.mission__icon {
  font-size: 2rem;
  margin-bottom: 20px;
  display: block;
  filter: drop-shadow(0 0 8px var(--color-primary));
}

.mission__card h3 {
  color: var(--color-text);
  margin-bottom: 12px;
}

/* ==============================================
   Services Grid
   ============================================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-decoration: none;
  color: inherit;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.service-card__icon--cyan {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--color-primary);
}

.service-card__icon--violet {
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--color-secondary);
  font-size: 1.2rem;
}

.service-card__icon--orange {
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.2);
  color: var(--color-orange);
}

.service-card h3 {
  color: var(--color-text);
}

.service-card p {
  flex: 1;
}

.card__arrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-top: auto;
  transition: var(--transition);
}

.service-card:hover .card__arrow {
  letter-spacing: 0.1em;
}

/* ==============================================
   How It Works Steps
   ============================================== */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.step {
  flex: 1;
  text-align: center;
  padding: 40px 24px;
  position: relative;
}

.step__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(0, 212, 255, 0.15);
  line-height: 1;
  margin-bottom: 16px;
  transition: var(--transition);
}

.step:hover .step__number {
  color: rgba(0, 212, 255, 0.4);
}

.step h3 {
  color: var(--color-text);
  margin-bottom: 12px;
}

.step__connector {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, rgba(0, 212, 255, 0.3), rgba(124, 58, 237, 0.3));
  align-self: center;
  flex-shrink: 0;
  margin-top: -20px;
  position: relative;
}

.step__connector::after {
  content: '→';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(0, 212, 255, 0.4);
  font-size: 0.7rem;
}

/* ==============================================
   Products Preview
   ============================================== */
.products-preview__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-preview {
  padding: 40px;
}

.product-preview__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
}

.product-preview__badge--violet {
  color: var(--color-secondary);
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.25);
}

.product-preview h3 {
  color: var(--color-text);
  margin-bottom: 12px;
}

.feature-list {
  list-style: none;
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  color: var(--color-muted);
  font-size: 0.9rem;
  padding-left: 20px;
  position: relative;
}

.feature-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8rem;
}

/* ==============================================
   CTA Section
   ============================================== */
.cta-section {
  padding: 100px 0;
}

.cta-box {
  position: relative;
  text-align: center;
  padding: 80px 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}

.cta-box__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  color: var(--color-text);
  margin: 12px 0 16px;
}

.cta-box p {
  max-width: 480px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}

.cta-box__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==============================================
   Footer
   ============================================== */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border-card);
  background: rgba(4, 6, 15, 0.95);
  backdrop-filter: blur(20px);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid var(--border-card);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-muted);
  transition: var(--transition);
}

.social-link:hover {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--border-hover);
  color: var(--color-primary);
}

.footer__col h4 {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 20px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a {
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: var(--transition);
}

.footer__col a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-card);
  gap: 16px;
  flex-wrap: wrap;
}

.footer__bottom p {
  font-size: 0.82rem;
  color: var(--color-subtle);
}

.footer__tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem !important;
  color: rgba(0, 212, 255, 0.4) !important;
}

/* ==============================================
   Tech Stack Page — Tech Cards
   ============================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-card {
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.tech-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.tech-card__icon--cyan   { background: rgba(0,212,255,0.1); border:1px solid rgba(0,212,255,0.2); color: var(--color-primary); }
.tech-card__icon--violet { background: rgba(124,58,237,0.1); border:1px solid rgba(124,58,237,0.2); color: var(--color-secondary); }
.tech-card__icon--orange { background: rgba(249,115,22,0.1); border:1px solid rgba(249,115,22,0.2); color: var(--color-orange); }
.tech-card__icon--blue   { background: rgba(59,130,246,0.1); border:1px solid rgba(59,130,246,0.2); color: var(--color-blue); }
.tech-card__icon--green  { background: rgba(16,185,129,0.1); border:1px solid rgba(16,185,129,0.2); color: var(--color-green); }
.tech-card__icon--pink   { background: rgba(236,72,153,0.1); border:1px solid rgba(236,72,153,0.2); color: var(--color-pink); }

.tech-card__body h3 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 8px;
}

.tech-card__body p {
  font-size: 0.88rem;
  margin-bottom: 12px;
  line-height: 1.6;
}

.tech-card__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-primary);
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

/* ==============================================
   Tech Stack Page — Platform Cards
   ============================================== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.platform-card {
  padding: 40px 32px;
  text-align: center;
}

.platform-card__visual {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 24px;
  position: relative;
}

.platform-card__visual--linux {
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.2);
  color: var(--color-orange);
  box-shadow: 0 0 30px rgba(249, 115, 22, 0.1);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
}

.platform-card__visual--podman {
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--color-secondary);
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.1);
}

.platform-card__visual--cloud {
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--color-primary);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.platform-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 212, 255, 0.15);
  animation: platform-spin 20s linear infinite;
}

@keyframes platform-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.platform-card h3 {
  color: var(--color-text);
  margin-bottom: 12px;
}

.platform-card__tags {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* ==============================================
   Tech Stack Page — Language Cards
   ============================================== */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lang-card {
  padding: 40px 32px;
  text-align: center;
}

.lang-card__symbol {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.lang-card__symbol--python {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--color-blue);
}

.lang-card__symbol--node {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--color-green);
}

.lang-card__symbol--csharp {
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--color-secondary);
  font-size: 1.5rem;
}

.lang-card h3 {
  color: var(--color-text);
  margin-bottom: 12px;
}

.lang-card__uses {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* ==============================================
   Tech Stack Page — Model Cards
   ============================================== */
.model-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.model-card {
  padding: 28px;
}

.model-card--full {
  grid-column: 1 / -1;
}

.model-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.model-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.model-badge--glm  { background: rgba(16,185,129,0.1); border:1px solid rgba(16,185,129,0.25); color: var(--color-green); }
.model-badge--gpt  { background: rgba(59,130,246,0.1); border:1px solid rgba(59,130,246,0.25); color: var(--color-blue); }
.model-badge--opus { background: rgba(0,212,255,0.1); border:1px solid rgba(0,212,255,0.25); color: var(--color-primary); }
.model-badge--sdxl { background: rgba(236,72,153,0.1); border:1px solid rgba(236,72,153,0.25); color: var(--color-pink); }
.model-badge--lora { background: rgba(249,115,22,0.1); border:1px solid rgba(249,115,22,0.25); color: var(--color-orange); font-size:1rem; }

.model-version {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
}

.model-card h3 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 8px;
}

.model-card p {
  font-size: 0.87rem;
  margin-bottom: 12px;
}

.model-card__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* ==============================================
   Teams Page
   ============================================== */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.overview-stat {
  padding: 40px 32px;
  text-align: center;
}

.overview-stat__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
  margin-bottom: 8px;
  line-height: 1;
}

.overview-stat__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 16px;
  display: block;
}

.overview-stat p {
  font-size: 0.88rem;
}

.team-section {
  margin-bottom: 48px;
}

.team-section__header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.team-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.team-icon--cyan   { background: rgba(0,212,255,0.1); border:1px solid rgba(0,212,255,0.2); color: var(--color-primary); box-shadow: 0 0 20px rgba(0,212,255,0.15); }
.team-icon--violet { background: rgba(124,58,237,0.1); border:1px solid rgba(124,58,237,0.2); color: var(--color-secondary); box-shadow: 0 0 20px rgba(124,58,237,0.15); }
.team-icon--orange { background: rgba(249,115,22,0.1); border:1px solid rgba(249,115,22,0.2); color: var(--color-orange); box-shadow: 0 0 20px rgba(249,115,22,0.15); }

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

.agent-card {
  padding: 28px;
}

.agent-card__role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 10px;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  display: inline-block;
}

.agent-card h3 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 16px;
}

.agent-card__tasks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.agent-card__tasks li {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.agent-card__tasks li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ==============================================
   Products Page
   ============================================== */
.product-section {
  padding: 100px 0;
}

.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

.product-showcase--reverse {
  grid-template-columns: 1.4fr 1fr;
}

.product-showcase--reverse .product-showcase__visual {
  order: 2;
}

.product-showcase--reverse .product-showcase__content {
  order: 1;
}

/* Product visual orbital animation */
.product-showcase__visual {
  position: relative;
  width: 300px;
  height: 300px;
  margin: 0 auto;
}

.product-visual-ring {
  position: absolute;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.product-visual-ring--1 {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(0, 212, 255, 0.15);
  animation: product-ring-spin 20s linear infinite;
}

.product-visual-ring--2 {
  width: 75%;
  height: 75%;
  border: 1px solid rgba(0, 212, 255, 0.25);
  animation: product-ring-spin 14s linear infinite reverse;
}

.product-visual-ring--3 {
  width: 45%;
  height: 45%;
  border: 2px solid rgba(0, 212, 255, 0.3);
  animation: product-ring-spin 8s linear infinite;
}

.product-showcase__visual--propdf .product-visual-ring--1 { border-color: rgba(124,58,237,0.15); }
.product-showcase__visual--propdf .product-visual-ring--2 { border-color: rgba(124,58,237,0.25); }
.product-showcase__visual--propdf .product-visual-ring--3 { border-color: rgba(124,58,237,0.3); }

@keyframes product-ring-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.product-visual-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.08);
  border: 2px solid rgba(0, 212, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

.product-showcase__visual--propdf .product-visual-center {
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.2);
}

.product-visual-label {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--color-primary);
}

.product-showcase__visual--propdf .product-visual-label {
  color: var(--color-secondary);
}

.product-visual-orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: product-ring-spin 10s linear infinite;
}

.product-visual-orbit--reverse {
  animation-direction: reverse;
}

.product-visual-dot {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 14px var(--color-primary);
  margin-top: -5px;
}

.product-visual-dot--violet {
  background: var(--color-secondary);
  box-shadow: 0 0 14px var(--color-secondary);
}

/* Product content */
.product-header {
  margin-bottom: 24px;
}

.product-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.product-badge--cyan {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
}

.product-badge--violet {
  color: var(--color-secondary);
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.25);
}

.product-header h2 {
  color: var(--color-text);
  margin-bottom: 12px;
}

.product-tagline {
  font-size: 1.05rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.product-description {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-muted);
  margin-bottom: 32px;
}

.product-features h3 {
  color: var(--color-text);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.feature-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-item__icon {
  font-size: 1.1rem;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
  filter: drop-shadow(0 0 6px var(--color-primary));
}

.feature-item__icon--violet {
  color: var(--color-secondary);
  filter: drop-shadow(0 0 6px var(--color-secondary));
}

.feature-item strong {
  display: block;
  color: var(--color-text);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 0.83rem;
  line-height: 1.5;
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.product-actions__note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-subtle);
  letter-spacing: 0.05em;
}

/* Section divider */
.section-divider {
  padding: 0 24px;
}

.section-divider__line {
  max-width: var(--container);
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-hover), transparent);
}

/* Coming soon */
.coming-soon-box {
  position: relative;
  text-align: center;
  padding: 80px 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.coming-soon-box__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.coming-soon-box h2 {
  color: var(--color-text);
  margin: 12px 0 16px;
}

.coming-soon__placeholders {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin: 40px 0;
}

.coming-soon__card {
  width: 140px;
  height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-style: dashed;
}

.coming-soon__icon {
  font-size: 1.5rem;
  color: var(--color-subtle);
  font-family: var(--font-heading);
  font-weight: 700;
}

.coming-soon__card span {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--color-subtle);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==============================================
   Scroll Reveal Animations
   ============================================== */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal="fade-up"]    { transform: translateY(40px); }
[data-reveal="fade-left"]  { transform: translateX(-40px); }
[data-reveal="fade-right"] { transform: translateX(40px); }
[data-reveal="scale"]      { transform: scale(0.92); }

[data-reveal].revealed {
  opacity: 1;
  transform: none;
}

[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }

/* Hero entrance animations */
[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(30px);
  animation: hero-fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

[data-animate="fade-up"][data-delay="1"] { animation-delay: 0.15s; }
[data-animate="fade-up"][data-delay="2"] { animation-delay: 0.3s; }
[data-animate="fade-up"][data-delay="3"] { animation-delay: 0.45s; }
[data-animate="fade-up"][data-delay="4"] { animation-delay: 0.6s; }

@keyframes hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==============================================
   Responsive — Tablet (max 1024px)
   ============================================== */
@media (max-width: 1024px) {
  .mission__grid      { grid-template-columns: repeat(3, 1fr); }
  .services__grid     { grid-template-columns: repeat(3, 1fr); }
  .tech-grid          { grid-template-columns: repeat(2, 1fr); }
  .model-grid         { grid-template-columns: repeat(2, 1fr); }
  .agent-grid         { grid-template-columns: repeat(2, 1fr); }
  .product-showcase   { gap: 48px; }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

/* ==============================================
   Responsive — Mobile (max 768px)
   ============================================== */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .section { padding: 72px 0; }

  /* Nav */
  .nav__hamburger { display: flex; }
  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(4, 6, 15, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 40px 24px;
  }
  .nav__links.open {
    transform: translateX(0);
  }
  .nav__link { font-size: 1.1rem; padding: 12px 24px; }
  .nav__cta  { margin-left: 0; margin-top: 12px; }

  /* Hero */
  .hero { padding-bottom: 60px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 280px; justify-content: center; }

  /* Orbitals */
  .orbital--1 { width: 300px; height: 120px; }
  .orbital--2 { width: 420px; height: 170px; }
  .orbital--3 { display: none; }

  /* Stats */
  .stats-strip__grid { grid-template-columns: repeat(2, 1fr); display: grid; }
  .stat-divider { display: none; }
  .stat-item { padding: 20px; border-right: 1px solid var(--border-card); border-bottom: 1px solid var(--border-card); }
  .stat-item:nth-child(even) { border-right: none; }

  /* Grids */
  .mission__grid      { grid-template-columns: 1fr; }
  .services__grid     { grid-template-columns: 1fr; }
  .tech-grid          { grid-template-columns: 1fr; }
  .platform-grid      { grid-template-columns: 1fr; }
  .lang-grid          { grid-template-columns: 1fr; }
  .model-grid         { grid-template-columns: 1fr; }
  .agent-grid         { grid-template-columns: 1fr; }
  .overview-grid      { grid-template-columns: 1fr; }
  .products-preview__grid { grid-template-columns: 1fr; }
  .feature-cards      { grid-template-columns: 1fr; }

  /* Steps */
  .steps {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .step { width: 100%; max-width: 400px; }
  .step__connector {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(0, 212, 255, 0.3), rgba(124, 58, 237, 0.3));
  }
  .step__connector::after { display: none; }

  /* Product showcase */
  .product-showcase,
  .product-showcase--reverse {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .product-showcase--reverse .product-showcase__visual { order: 0; }
  .product-showcase--reverse .product-showcase__content { order: 0; }
  .product-showcase__visual { width: 220px; height: 220px; }

  /* Footer */
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  /* CTA */
  .cta-box { padding: 48px 28px; }
  .cta-box__actions { flex-direction: column; align-items: center; }
  .cta-box__actions .btn { width: 100%; max-width: 280px; justify-content: center; }

  /* Coming soon */
  .coming-soon-box { padding: 48px 28px; }
  .coming-soon__placeholders { flex-wrap: wrap; }

  /* Team section header */
  .team-section__header { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ==============================================
   Responsive — Small Mobile (max 480px)
   ============================================== */
@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; }
  .model-card--full .model-card__tags { flex-direction: column; align-items: flex-start; }
  .product-showcase__visual { width: 180px; height: 180px; }
}