/* ============================================
   AlphaGenixAI — Global Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Orbitron:wght@600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --clr-bg: #070b14;
  --clr-bg-2: #0d1626;
  --clr-surface: rgba(13, 22, 38, 0.7);
  --clr-border: rgba(0, 210, 255, 0.12);
  --clr-primary: #00d2ff;
  --clr-primary-dark: #0099cc;
  --clr-accent: #7b4fff;
  --clr-accent-2: #00ffb3;
  --clr-text: #e8edf5;
  --clr-text-muted: #7a8ba6;
  --clr-white: #ffffff;
  --gradient-primary: linear-gradient(135deg, #00d2ff 0%, #7b4fff 100%);
  --gradient-hero: linear-gradient(180deg, rgba(7,11,20,0) 0%, rgba(7,11,20,0.85) 60%, #070b14 100%);
  --shadow-glow: 0 0 40px rgba(0, 210, 255, 0.18);
  --shadow-card: 0 8px 40px rgba(0,0,0,0.45);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --font-body: 'Inter', sans-serif;
  --font-head: 'Space Grotesk', sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --nav-h: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Utility --- */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--sm { padding: 60px 0; }
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0,210,255,0.25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,210,255,0.4);
}
.btn--outline {
  background: transparent;
  color: var(--clr-primary);
  border: 1.5px solid var(--clr-primary);
}
.btn--outline:hover {
  background: rgba(0,210,255,0.08);
  transform: translateY(-2px);
}
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(0,210,255,0.1);
  color: var(--clr-primary);
  border: 1px solid rgba(0,210,255,0.2);
  margin-bottom: 18px;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(7, 11, 20, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.navbar__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar__logo {
  display: inline-flex;
  align-items: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--clr-white);
  white-space: nowrap;
}
.navbar__logo span {
  color: var(--clr-primary);
  text-shadow: 0 0 20px rgba(0, 210, 255, 0.6);
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.navbar__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: var(--transition);
  position: relative;
}
.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition);
}
.navbar__links a:hover { color: var(--clr-white); }
.navbar__links a:hover::after { transform: scaleX(1); }
.navbar__cta { display: flex; gap: 12px; align-items: center; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  background: rgba(0,210,255,0.08);
  border: 1px solid rgba(0,210,255,0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 28px;
}
.hero__badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-primary);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--clr-white);
  margin-bottom: 24px;
}
.hero p {
  font-size: 1.15rem;
  color: var(--clr-text-muted);
  max-width: 580px;
  margin-bottom: 40px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-text-muted);
  font-size: 0.75rem;
  animation: bounce 2.5s infinite;
}
.hero__scroll svg { color: var(--clr-primary); }
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}
/* Animated particles canvas */
#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 32px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats__item h3 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stats__item p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-top: 4px;
}

/* ============================================
   SECTION HEADINGS
   ============================================ */
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 1rem;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================
   FEATURES
   ============================================ */
.features { background: var(--clr-bg); }
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,210,255,0.3);
  box-shadow: var(--shadow-glow);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.feature-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 10px;
}
.feature-card p { font-size: 0.9rem; color: var(--clr-text-muted); }

/* ============================================
   PRODUCTS / APPS
   ============================================ */
.products { background: var(--clr-bg-2); }
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.product-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.product-card::after {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,210,255,0.08) 0%, transparent 70%);
  transition: var(--transition);
}
.product-card:hover {
  border-color: rgba(0,210,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.product-card:hover::after {
  transform: scale(1.4);
}
.product-card__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-accent-2);
  padding: 3px 10px;
  background: rgba(0,255,179,0.1);
  border: 1px solid rgba(0,255,179,0.2);
  border-radius: 100px;
  width: fit-content;
}
.product-card__label.coming { color: var(--clr-accent); background: rgba(123,79,255,0.1); border-color: rgba(123,79,255,0.2); }
.product-card__icon {
  display: flex;
  align-items: center;
  line-height: 0;
}
.product-card h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-white);
}
.product-card p { font-size: 0.9rem; color: var(--clr-text-muted); }
.product-card__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-primary);
  transition: var(--transition);
}
.product-card__link:hover { gap: 10px; }

/* ============================================
   CTA BANNER
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, rgba(0,210,255,0.06) 0%, rgba(123,79,255,0.06) 100%);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.cta-inner {
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 16px;
}
.cta-inner p { color: var(--clr-text-muted); margin-bottom: 36px; }
.cta-inner .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  padding: 64px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--clr-border);
}
.footer__brand p { font-size: 0.875rem; color: var(--clr-text-muted); margin-top: 14px; max-width: 280px; line-height: 1.7; }
.footer__col h4 {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-white);
  margin-bottom: 18px;
}
.footer__col li { margin-bottom: 10px; }
.footer__col a { font-size: 0.875rem; color: var(--clr-text-muted); transition: var(--transition); }
.footer__col a:hover { color: var(--clr-primary); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}
.footer__social { display: flex; gap: 14px; }
.footer__social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-text-muted);
  transition: var(--transition);
  font-size: 0.9rem;
}
.footer__social a:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  box-shadow: 0 0 12px rgba(0,210,255,0.2);
}

/* ============================================
   LEGAL PAGES
   ============================================ */
.legal-hero {
  padding: calc(var(--nav-h) + 60px) 0 60px;
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
  text-align: center;
}
.legal-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 12px;
}
.legal-hero p { color: var(--clr-text-muted); font-size: 0.9rem; }
.legal-body { padding: 72px 0; }
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}
.legal-content h2 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--clr-white);
  margin: 40px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--clr-border);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { color: var(--clr-text-muted); margin-bottom: 14px; font-size: 0.92rem; line-height: 1.8; }
.legal-content ul { margin: 12px 0 14px 20px; list-style: disc; }
.legal-content ul li { color: var(--clr-text-muted); font-size: 0.92rem; margin-bottom: 8px; line-height: 1.8; }
.legal-content a { color: var(--clr-primary); text-decoration: underline; }
.legal-content strong { color: var(--clr-text); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .features__grid { grid-template-columns: 1fr; }
  .products__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
  .navbar__links, .navbar__cta { display: none; }
  .nav-toggle { display: flex; }
  .navbar.open .navbar__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(7,11,20,0.97);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--clr-border);
  }
  .navbar.open .navbar__cta {
    display: flex;
    padding: 0 24px 24px;
    position: fixed;
    top: calc(var(--nav-h) + 150px);
    left: 0; right: 0;
    background: rgba(7,11,20,0.97);
    flex-direction: column;
  }
}