@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- RESET & VARS --- */
:root {
  --hue: 324;
  --c-black: #0f0f11;
  --c-charcoal: #1a1a1d;
  --c-dark-surface: #232328;
  --c-light-surface: #2c2c33;
  --c-border: #383840;
  --c-text-main: #e0e0e5;
  --c-text-muted: #9a9aa5;
  --c-cyan: #00f2ff;
  --c-cyan-dim: rgba(0, 242, 255, 0.1);
  --c-purple: #bd00ff;
  --c-purple-dim: rgba(189, 0, 255, 0.1);
  --c-white: #ffffff;
  
  --font-main: 'Inter', sans-serif;
  --font-code: 'JetBrains Mono', monospace;
  
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --shadow-card: 0 10px 30px -10px rgba(0,0,0,0.5);
  --glow-cyan: 0 0 20px rgba(0, 242, 255, 0.4);
  
  --container-width: 1200px;
  --spacing-section: clamp(4rem, 8vw, 8rem);
  --spacing-element: clamp(1rem, 2vw, 2rem);
}

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

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

body {
  background-color: var(--c-black);
  color: var(--c-text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  color: var(--c-white);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 3vw + 1rem, 3rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p {
  font-size: 1.125rem;
  color: var(--c-text-muted);
  max-width: 65ch;
  margin-bottom: 1.5rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s var(--ease);
}

.text-gradient {
  background: linear-gradient(90deg, var(--c-white), var(--c-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-code {
  font-family: var(--font-code);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

/* --- LAYOUT UTILITIES --- */
/* MANDATORY CONTAINER */
.c-container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}

section {
  padding-block: var(--spacing-section);
  position: relative;
}

/* --- HEADER & NAV --- */
.s-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 15, 17, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  height: 80px;
  display: flex;
  align-items: center;
}

.s-header .c-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--c-white);
}

.brand-logo span {
  color: var(--c-cyan);
}

.nav-list {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text-muted);
  transition: color 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: var(--c-white);
}

.btn-cta-nav {
  padding: 0.6rem 1.25rem;
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-white);
  border-radius: 4px;
  font-size: 0.9rem;
  transition: all 0.3s var(--ease);
}

.btn-cta-nav:hover {
  border-color: var(--c-cyan);
  background: var(--c-cyan-dim);
  color: var(--c-cyan);
}

/* --- HERO --- */
.s-hero {
  padding-top: 180px;
  padding-bottom: 100px;
  background: radial-gradient(circle at 80% 20%, #2a1a35 0%, transparent 40%),
              radial-gradient(circle at 20% 80%, #0f1a1a 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-visual {
  position: relative;
  height: 400px;
  background: var(--c-dark-surface);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    var(--c-cyan-dim) 10px,
    var(--c-cyan-dim) 11px
  );
  opacity: 0.3;
  animation: drift 20s linear infinite;
}

@keyframes drift {
  from { transform: translate(0,0); }
  to { transform: translate(50px, 50px); }
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: 4px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  cursor: pointer;
}

.btn-primary {
  background: var(--c-cyan);
  color: var(--c-black);
  border: none;
}

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

.btn-secondary {
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-white);
}

.btn-secondary:hover {
  border-color: var(--c-white);
  background: rgba(255,255,255,0.05);
}

/* --- CARDS / FEATURES --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--c-dark-surface);
  border: 1px solid var(--c-border);
  padding: 2.5rem;
  border-radius: 8px;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--c-purple);
  transform: translateY(-5px);
}

.card-icon {
  font-size: 2rem;
  color: var(--c-cyan);
  margin-bottom: 1.5rem;
  display: block;
}

/* --- STATS --- */
.stats-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 3rem 0;
}

.stat-item {
  flex: 1;
  min-width: 200px;
  text-align: center;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--c-white);
  display: block;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--c-text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- FAQ --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border-bottom: 1px solid var(--c-border);
  padding: 1.5rem 0;
}

.faq-question {
  font-size: 1.25rem;
  color: var(--c-white);
  margin-bottom: 0.5rem;
  cursor: pointer;
}

.faq-answer {
  color: var(--c-text-muted);
  font-size: 1rem;
}

/* --- FOOTER --- */
.s-footer {
  background: var(--c-charcoal);
  border-top: 1px solid var(--c-border);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  color: var(--c-white);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--c-text-muted);
  font-size: 0.95rem;
}

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

.copyright {
  border-top: 1px solid var(--c-border);
  padding-top: 2rem;
  text-align: center;
  color: var(--c-text-muted);
  font-size: 0.85rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-buttons { justify-content: center; }
  .nav-list { display: none; } /* Mobile menu hidden for brevity */
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .stats-row { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
} body{margin:0} html{-webkit-text-size-adjust:100%} img,svg,video{max-width:100%;height:auto} *{box-sizing:border-box}