/* ============================================
   Novian Cloud - Styles
   ============================================ */

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

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-dark: #020617;
  --color-dark-2: #0f172a;
  --color-primary: #3b82f6;
  --color-primary-dark: #1e40af;
  --color-accent: #8b5cf6;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
  --header-h: 72px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body { font-family: var(--font); color: var(--color-text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* --- Layout --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.section-title { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 16px; }
.section-subtitle { font-size: 1.125rem; color: var(--color-text-muted); }
.text-left { text-align: left; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font); font-weight: 600; font-size: 0.9375rem;
  border: 2px solid transparent; border-radius: var(--radius-sm);
  cursor: pointer; transition: all var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-primary {
  background: var(--color-primary); color: #fff; border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59,130,246,0.4); }
.btn-outline {
  background: transparent; color: #fff; border-color: rgba(255,255,255,0.3);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* --- Header --- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(2,6,23,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: #fff; }
.nav { display: flex; gap: 32px; }
.nav-link { color: rgba(255,255,255,0.7); font-size: 0.9375rem; font-weight: 500; transition: color var(--transition); }
.nav-link:hover { color: #fff; }
.header-cta { }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: #fff;
  margin: 5px 0; transition: all var(--transition); border-radius: 2px;
}

/* --- Hero --- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--color-dark); overflow: hidden; padding: 120px 0 80px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.5;
}
.hero-orb-1 {
  top: -10%; right: -5%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.3), transparent 70%);
}
.hero-orb-2 {
  bottom: -15%; left: -5%; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.2), transparent 70%);
}
.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;
}
.hero-content { position: relative; z-index: 1; max-width: 720px; }
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 100px;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2);
  color: var(--color-primary); font-size: 0.875rem; font-weight: 600;
  margin-bottom: 24px;
}
.hero-title {
  font-size: 4rem; font-weight: 800; color: #fff;
  line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.25rem; color: rgba(255,255,255,0.6); line-height: 1.7;
  margin-bottom: 40px; max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-platforms { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 32px; }
.hero-platforms-label { color: rgba(255,255,255,0.4); font-size: 0.8125rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 12px; }
.hero-platforms-list { display: flex; gap: 10px; flex-wrap: wrap; }
.platform-badge {
  padding: 6px 14px; border-radius: 6px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5); font-size: 0.8125rem; font-weight: 500;
}

/* --- Services --- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 32px;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.service-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
  border-radius: 10px; margin-bottom: 20px; color: var(--color-primary);
}
.service-icon svg { width: 24px; height: 24px; }
.service-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }
.service-desc { color: var(--color-text-muted); font-size: 0.9375rem; line-height: 1.65; }

/* --- About --- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { position: relative; }
.about-visual-inner {
  position: relative; aspect-ratio: 1; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-dark), var(--color-dark-2));
  overflow: hidden;
}
.about-shape {
  position: absolute; border-radius: 50%;
}
.about-shape-1 {
  width: 200px; height: 200px; top: 15%; left: 10%;
  background: linear-gradient(135deg, rgba(59,130,246,0.4), rgba(59,130,246,0.1));
  animation: float 6s ease-in-out infinite;
}
.about-shape-2 {
  width: 150px; height: 150px; top: 50%; right: 15%;
  background: linear-gradient(135deg, rgba(139,92,246,0.4), rgba(139,92,246,0.1));
  animation: float 6s ease-in-out infinite 2s;
}
.about-shape-3 {
  width: 100px; height: 100px; bottom: 15%; left: 30%;
  background: linear-gradient(135deg, rgba(59,130,246,0.3), rgba(139,92,246,0.2));
  animation: float 6s ease-in-out infinite 4s;
}
.about-stats-floating {
  position: absolute; bottom: 24px; right: 24px;
  background: rgba(255,255,255,0.1); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm); padding: 16px 24px;
}
.floating-stat-number { display: block; font-size: 1.5rem; font-weight: 800; color: #fff; }
.floating-stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.6); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }

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

.about-content {}
.about-text { color: var(--color-text-muted); font-size: 1.0625rem; line-height: 1.7; margin-bottom: 32px; }
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 32px; }
.stat { text-align: center; padding: 20px 0; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.stat-number { display: block; font-size: 1.75rem; font-weight: 800; color: var(--color-primary); }
.stat-label { font-size: 0.8125rem; color: var(--color-text-muted); font-weight: 500; }
.about-list { display: flex; flex-direction: column; gap: 12px; }
.about-list li {
  padding-left: 28px; position: relative;
  color: var(--color-text); font-size: 0.9375rem; font-weight: 500;
}
.about-list li::before {
  content: '';
  position: absolute; left: 0; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  opacity: 0.2;
}
.about-list li::after {
  content: '';
  position: absolute; left: 4px; top: 10px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-primary);
}

/* --- Process --- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-grid::before {
  content: ''; position: absolute;
  top: 42px; left: 60px; right: 60px; height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0.2;
}
.process-step { text-align: center; position: relative; }
.process-number {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 800; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; position: relative; z-index: 1;
}
.process-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }
.process-desc { color: var(--color-text-muted); font-size: 0.9375rem; line-height: 1.6; }

/* --- CTA --- */
.section-cta {
  position: relative; background: var(--color-dark); overflow: hidden;
  text-align: center; padding: 120px 0;
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-content { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.cta-title { font-size: 2.5rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; margin-bottom: 16px; }
.cta-subtitle { font-size: 1.125rem; color: rgba(255,255,255,0.6); margin-bottom: 40px; line-height: 1.7; }

/* --- Footer --- */
.footer { background: var(--color-dark-2); padding: 64px 0 32px; color: rgba(255,255,255,0.5); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer .logo-text { font-size: 1.125rem; }
.footer-tagline { margin-top: 16px; font-size: 0.9375rem; line-height: 1.6; }
.footer-heading { color: #fff; font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 0.9375rem; transition: color var(--transition); }
.footer-link:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; font-size: 0.875rem; }

/* --- Reveal Animation --- */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process-grid::before { display: none; }
  .about-grid { gap: 48px; }
  .hero-title { font-size: 3rem; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .section-title { font-size: 2rem; }
  .hero { padding: 100px 0 60px; }
  .hero-title { font-size: 2.25rem; }
  .hero-subtitle { font-size: 1.0625rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .nav {
    display: none; position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: rgba(2,6,23,0.98); backdrop-filter: blur(12px);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 32px;
  }
  .nav.open { display: flex; }
  .nav-link { font-size: 1.25rem; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }

  .about-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 400px; margin: 0 auto; }
  .services-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .stats-row { grid-template-columns: 1fr; gap: 12px; }

  .cta-title { font-size: 1.75rem; }
  .section-cta { padding: 80px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.875rem; }
  .footer-grid { grid-template-columns: 1fr; }
}