/* Infinity Pay — Public Website Styles */
/* Premium dark design with glassmorphism and smooth animations */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(124, 58, 237, 0.4);

  --accent: #7c3aed;
  --accent-light: #8b5cf6;
  --accent-glow: rgba(124, 58, 237, 0.3);
  --accent-secondary: #06b6d4;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.15) 0%, transparent 70%);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.3);
}

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

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ──────────────────────────────────────────────── */
h1, h2, h3 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
h3 { font-size: 1.2rem; }

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

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 0 20px var(--accent-glow), 0 4px 16px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px var(--accent-glow), 0 8px 24px rgba(0, 0, 0, 0.4);
}

.btn-large { padding: 18px 36px; font-size: 1.1rem; border-radius: var(--radius-lg); }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 8px;
  font-size: 14px;
  color: white;
}

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

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 10px 20px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.25s;
  box-shadow: 0 0 12px var(--accent-glow);
}

.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 0 20px var(--accent-glow); }

.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero .container { position: relative; text-align: center; }

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions { margin-bottom: 48px; }

.hero-trust {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ── Sections ──────────────────────────────────────────────── */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-secondary); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title { margin-bottom: 16px; }
.section-subtitle { color: var(--text-secondary); font-size: 1.1rem; }
.section-cta { text-align: center; margin-top: 48px; }

/* ── Steps Grid ──────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity 0.3s;
}

.step-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.step-card:hover::before { opacity: 1; }

.step-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}

.step-icon { font-size: 2rem; margin-bottom: 16px; }

.step-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.step-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* ── Features Grid ──────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
}

.feature-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }

.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* ── Payment Methods ──────────────────────────────────────────────── */
.methods-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.method-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  text-align: center;
  transition: all 0.3s;
  min-width: 200px;
}

.method-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.method-card.method-coming { opacity: 0.5; }
.method-icon { font-size: 2.5rem; margin-bottom: 12px; }
.method-name { font-weight: 600; font-size: 1.1rem; margin-bottom: 4px; }
.method-currency { color: var(--text-muted); font-size: 0.85rem; }

/* ── FAQ ──────────────────────────────────────────────── */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s;
}

.faq-item.open { border-color: var(--border-hover); }

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s;
}

.faq-question::after {
  content: '↓';
  font-size: 1rem;
  color: var(--accent-light);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.faq-answer a { color: var(--accent-light); text-decoration: underline; }

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

.cta-card {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  text-align: center;
}

.cta-card h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 16px; }
.cta-card p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 40px; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.footer-brand { max-width: 280px; }
.footer-brand .brand-icon { font-size: 24px; margin-right: 8px; }
.footer-brand .brand-name { font-size: 1.2rem; font-weight: 700; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 12px; }

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

.footer-links a { color: var(--text-secondary); font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--text-primary); }

.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; }
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-primary);
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 200;
    font-size: 1.5rem;
  }

  .steps-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .cta-card { padding: 48px 24px; }
  .footer-content { flex-direction: column; }

  .hero-trust { gap: 16px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge, .hero-title, .hero-subtitle, .hero-actions, .hero-trust {
  animation: fadeInUp 0.6s ease forwards;
}
.hero-badge    { animation-delay: 0.05s; opacity: 0; }
.hero-title    { animation-delay: 0.15s; opacity: 0; }
.hero-subtitle { animation-delay: 0.25s; opacity: 0; }
.hero-actions  { animation-delay: 0.35s; opacity: 0; }
.hero-trust    { animation-delay: 0.45s; opacity: 0; }