/* ============================================
   Ippo Crypto — Official Website
   Premium Dark Crypto Theme
   ============================================ */

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

/* ── CSS Custom Properties ── */
:root {
  /* Colors */
  --bg-primary: #06060b;
  --bg-secondary: #0c0c14;
  --bg-card: #111119;
  --bg-card-hover: #16161f;
  --bg-glass: rgba(17, 17, 25, 0.7);

  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
  --accent-gradient-text: linear-gradient(135deg, #818cf8, #c084fc);

  --text-primary: #f0f0f5;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --success: #34d399;
  --warning: #fbbf24;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1140px;

  /* Effects */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.08);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

ul {
  list-style: none;
}

/* ── Container ── */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ── */
h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
}

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

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 16px auto 0;
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(6, 6, 11, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(6, 6, 11, 0.95);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

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

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.hero h1 {
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 36px;
}

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

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-family);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--accent-light);
  background: var(--accent-glow);
}

/* ── Section ── */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

/* ── Feature Cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: var(--accent-glow);
  color: var(--accent-light);
  font-size: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ── Security Trust Bar ── */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 24px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.trust-icon {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  color: var(--accent-light);
  font-size: 1.2rem;
}

.trust-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.trust-item p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ── CTA Section ── */
.cta-section {
  text-align: center;
  padding: 80px 0;
}

.cta-box {
  padding: 60px 40px;
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--accent-gradient);
  border-radius: 25px;
  z-index: -1;
  opacity: 0.15;
}

.cta-box h2 {
  margin-bottom: 16px;
}

.cta-box p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  width: 100%;
  text-align: center;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-contact {
  width: 100%;
  text-align: center;
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-contact p {
  margin: 4px 0;
}

.footer-contact a {
  color: var(--text-secondary);
}

.footer-contact a:hover {
  color: var(--accent-light);
}

/* ── Legal Pages ── */
.legal-page {
  padding-top: 120px;
  padding-bottom: 80px;
  min-height: 100vh;
}

.legal-content {
  max-width: 760px;
  margin: 0 auto;
}

.legal-content h1 {
  margin-bottom: 8px;
}

.legal-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.35rem;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.legal-content h2:first-of-type {
  border-top: none;
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-content li {
  list-style: disc;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
  padding-left: 4px;
}

.legal-content strong {
  color: var(--text-primary);
}

.legal-content a {
  color: var(--accent-light);
}

.legal-highlight {
  padding: 20px 24px;
  border-radius: 12px;
  background: var(--accent-glow);
  border-left: 3px solid var(--accent);
  margin: 24px 0;
}

.legal-highlight p {
  color: var(--text-primary);
  margin-bottom: 0;
}

/* ── Security Page Specific ── */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.security-card {
  padding: 32px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.security-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.security-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ── Animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

.delay-4 {
  animation-delay: 0.4s;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 60px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .cta-box {
    padding: 40px 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .feature-card {
    padding: 24px;
  }

  .legal-content h1 {
    font-size: 1.8rem;
  }
}