/* ========================================
   arkdevbitrealm.com - Main Stylesheet
   Tesla-style, dark, high-tech aesthetic
   ======================================== */

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

:root {
  /* Color tokens */
  --bg-primary: #050510;
  --bg-secondary: #0a0a18;
  --bg-tertiary: #11111f;
  --bg-card: #0d0d1c;
  --bg-glass: rgba(20, 20, 35, 0.55);

  --text-primary: #ffffff;
  --text-secondary: #b4b4c8;
  --text-muted: #6b6b80;
  --text-dim: #4a4a60;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);

  --accent-cyan: #00e5ff;
  --accent-purple: #7c4dff;
  --accent-pink: #ff4081;
  --accent-blue: #2196f3;
  --accent-green: #00e676;

  --grad-primary: linear-gradient(135deg, #00e5ff 0%, #7c4dff 50%, #ff4081 100%);
  --grad-cool: linear-gradient(135deg, #00e5ff 0%, #2196f3 100%);
  --grad-warm: linear-gradient(135deg, #7c4dff 0%, #ff4081 100%);
  --grad-subtle: linear-gradient(180deg, rgba(124, 77, 255, 0.10) 0%, rgba(0, 229, 255, 0.05) 100%);

  /* Spacing */
  --container-w: 1280px;
  --container-px: 32px;
  --section-py: 120px;
  --gap-xs: 8px;
  --gap-sm: 16px;
  --gap-md: 24px;
  --gap-lg: 40px;
  --gap-xl: 80px;

  /* Radius */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 32px;

  /* Type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Menlo, Consolas, monospace;

  /* Effects */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.6);
  --glow-cyan: 0 0 30px rgba(0, 229, 255, 0.35);
  --glow-purple: 0 0 30px rgba(124, 77, 255, 0.35);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --d-fast: 200ms;
  --d-base: 400ms;
  --d-slow: 700ms;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0, 229, 255, 0.10), transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 10%, rgba(124, 77, 255, 0.12), transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(255, 64, 129, 0.06), transparent 50%);
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: -1;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--d-fast) var(--ease);
}

a:hover { color: var(--accent-purple); }

img, svg { display: block; max-width: 100%; }

ul, ol { list-style: none; }

button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; }

input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2.4vw, 1.75rem); }

p { color: var(--text-secondary); }

::selection { background: var(--accent-purple); color: #fff; }

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

.section {
  padding: var(--section-py) 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 72px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  padding: 6px 14px;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--bg-glass);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.section-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #ffffff 0%, #b4b4c8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(5, 5, 16, 0.55);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--d-base) var(--ease), border-color var(--d-base) var(--ease);
}

.nav.scrolled {
  background: rgba(5, 5, 16, 0.85);
  border-bottom-color: var(--border-default);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.nav-logo img { height: 40px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  transition: color var(--d-fast) var(--ease), background var(--d-fast) var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px;
  bottom: 2px;
  height: 1px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--d-base) var(--ease);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--text-primary); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 999px;
  transition: transform var(--d-fast) var(--ease), box-shadow var(--d-fast) var(--ease);
}

.nav-cta:hover { transform: translateY(-1px); color: var(--bg-primary); box-shadow: var(--shadow-md); }
.nav-cta svg { width: 14px; height: 14px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.nav-toggle svg { width: 24px; height: 24px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--d-base) var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  background: var(--bg-glass);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 18px;
}

.btn-ghost:hover { color: var(--text-primary); }

.btn .arrow {
  display: inline-block;
  transition: transform var(--d-base) var(--ease);
}
.btn:hover .arrow { transform: translateX(4px); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 60% at 70% 30%, rgba(124, 77, 255, 0.20), transparent 60%),
    radial-gradient(ellipse 50% 50% at 30% 70%, rgba(0, 229, 255, 0.15), transparent 60%);
  filter: blur(20px);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    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: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  z-index: -1;
  animation: gridShift 30s linear infinite;
}

@keyframes gridShift {
  0% { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.hero-text { max-width: 720px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: var(--bg-glass);
  border: 1px solid var(--border-default);
  border-radius: 999px;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.hero-eyebrow .pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .line-inner {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 1s var(--ease) forwards;
}

.hero-title .line:nth-child(1) .line-inner { animation-delay: 0.1s; }
.hero-title .line:nth-child(2) .line-inner { animation-delay: 0.25s; }
.hero-title .line:nth-child(3) .line-inner { animation-delay: 0.4s; }

@keyframes rise {
  to { transform: translateY(0); }
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #00e5ff 0%, #7c4dff 50%, #ff4081 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
  opacity: 0;
  animation: fadeIn 1s var(--ease) 0.6s forwards;
}

@keyframes fadeIn {
  to { opacity: 1; transform: translateY(0); }
  from { transform: translateY(20px); }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  opacity: 0;
  animation: fadeIn 1s var(--ease) 0.8s forwards;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
  opacity: 0;
  animation: fadeIn 1s var(--ease) 1s forwards;
}

.stat {
  position: relative;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Hero visual */
.hero-visual {
  position: relative;
  height: 540px;
  opacity: 0;
  animation: scaleIn 1.2s var(--ease) 0.4s forwards;
}

@keyframes scaleIn {
  to { opacity: 1; transform: scale(1); }
  from { transform: scale(0.92); }
}

.hero-orb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-orb svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 20px 60px rgba(124, 77, 255, 0.4));
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-orb-ring {
  position: absolute;
  border: 1px solid var(--border-default);
  border-radius: 50%;
  animation: rotate 30s linear infinite;
}

.hero-orb-ring.r1 { width: 80%; height: 80%; top: 10%; left: 10%; }
.hero-orb-ring.r2 { width: 100%; height: 100%; top: 0; left: 0; animation-direction: reverse; animation-duration: 40s; }
.hero-orb-ring.r3 { width: 120%; height: 120%; top: -10%; left: -10%; animation-duration: 50s; }

@keyframes rotate {
  to { transform: rotate(360deg); }
}

.hero-orbit {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 16px var(--accent-cyan);
}

.hero-orbit.o1 {
  top: 8%;
  left: 50%;
  animation: orbit1 12s linear infinite;
}

.hero-orbit.o2 {
  top: 50%;
  right: 4%;
  background: var(--accent-pink);
  box-shadow: 0 0 16px var(--accent-pink);
  animation: orbit2 18s linear infinite;
}

.hero-orbit.o3 {
  bottom: 12%;
  left: 16%;
  background: var(--accent-purple);
  box-shadow: 0 0 16px var(--accent-purple);
  animation: orbit3 22s linear infinite;
}

@keyframes orbit1 {
  0% { transform: rotate(0deg) translateX(180px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(180px) rotate(-360deg); }
}
@keyframes orbit2 {
  0% { transform: rotate(0deg) translateX(220px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(220px) rotate(-360deg); }
}
@keyframes orbit3 {
  0% { transform: rotate(0deg) translateX(160px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(160px) rotate(-360deg); }
}

.hero-floats {
  position: absolute;
  inset: 0;
}

.hero-float {
  position: absolute;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-default);
  border-radius: var(--r-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  animation: floatY 6s ease-in-out infinite;
}

.hero-float.f1 { top: 12%; left: -8%; animation-delay: 0s; }
.hero-float.f2 { top: 38%; right: -4%; animation-delay: 1.5s; }
.hero-float.f3 { bottom: 18%; left: 4%; animation-delay: 3s; }
.hero-float.f4 { bottom: 6%; right: 14%; animation-delay: 4.5s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-float .icon {
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-primary);
  border-radius: var(--r-sm);
  color: #fff;
}

.hero-float .icon svg { width: 14px; height: 14px; }

/* Marquee */
.marquee {
  overflow: hidden;
  padding: 32px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  position: relative;
}

.marquee-track {
  display: flex;
  gap: 80px;
  animation: marquee 35s linear infinite;
  width: max-content;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.marquee-item .dot {
  width: 6px; height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

/* Cards / Grid */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: transform var(--d-base) var(--ease), border-color var(--d-base) var(--ease), background var(--d-base) var(--ease);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity var(--d-base) var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-default);
  background: var(--bg-tertiary);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--r-md);
  margin-bottom: 24px;
  color: var(--accent-cyan);
}

.card-icon svg { width: 28px; height: 28px; }

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.card-link svg { width: 14px; height: 14px; transition: transform var(--d-base) var(--ease); }
.card-link:hover svg { transform: translateX(4px); }

.card-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-purple);
  background: rgba(124, 77, 255, 0.10);
  border: 1px solid rgba(124, 77, 255, 0.20);
  border-radius: 999px;
  margin-bottom: 16px;
}

/* Feature Block */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.feature.reverse > :first-child { order: 2; }

.feature-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-subtle);
  z-index: 0;
}

.feature-visual svg {
  position: relative;
  z-index: 1;
  width: 60%;
  height: 60%;
}

.feature-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.feature-eyebrow::before { content: '> '; }

.feature-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.feature-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.feature-list .check {
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 230, 118, 0.10);
  border: 1px solid rgba(0, 230, 118, 0.30);
  border-radius: 50%;
  color: var(--accent-green);
  margin-top: 2px;
}

.feature-list .check svg { width: 12px; height: 12px; }

/* Page Hero */
.page-hero {
  position: relative;
  padding: 180px 0 80px;
  text-align: center;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(124, 77, 255, 0.20), transparent 60%),
    radial-gradient(ellipse 40% 30% at 50% 100%, rgba(0, 229, 255, 0.10), transparent 60%);
}

.page-hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center top, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center top, black 20%, transparent 70%);
}

.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.page-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb .sep { color: var(--text-dim); }

/* Footer */
.footer {
  position: relative;
  margin-top: 80px;
  padding: 80px 0 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 20px 0;
  max-width: 360px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  transition: all var(--d-fast) var(--ease);
}

.footer-social a:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-social svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--d-fast) var(--ease);
}

.footer-col a:hover { color: var(--accent-cyan); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom .links { display: flex; gap: 20px; }
.footer-bottom .links a { color: var(--text-muted); }
.footer-bottom .links a:hover { color: var(--accent-cyan); }

.footer-addr {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* CTA */
.cta {
  position: relative;
  padding: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  text-align: center;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-subtle);
  z-index: 0;
}

.cta::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(124, 77, 255, 0.15), transparent, rgba(0, 229, 255, 0.10), transparent);
  animation: rotate 20s linear infinite;
  z-index: 0;
  opacity: 0.5;
}

.cta > * { position: relative; z-index: 1; }

.cta h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Generic helpers */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-default), transparent);
  margin: 60px 0;
}