/* ===================================================================
   SocialMediaVSPaidMedia — E-Commerce Storefront (socialmediavspaidmedia.com)
   Design System: Dark premium theme, glassmorphism cards, gradient CTAs
   =================================================================== */

:root {
  color-scheme: dark;
  --bg: #060910;
  --bg-subtle: #0c1118;
  --panel: #111820;
  --panel-2: #151f2a;
  --panel-glass: rgba(17, 24, 32, 0.75);
  --line: #1e2d3d;
  --text: #f4f7fb;
  --text-muted: #8899aa;
  --green: #21d07a;
  --green-dim: rgba(33, 208, 122, 0.15);
  --red: #ff5470;
  --amber: #ffbe45;
  --blue: #54a7ff;
  --blue-dim: rgba(84, 167, 255, 0.12);
  --violet: #b685ff;
  --gradient-primary: linear-gradient(135deg, #21d07a 0%, #54a7ff 100%);
  --gradient-hero: linear-gradient(135deg, rgba(33, 208, 122, 0.08) 0%, rgba(84, 167, 255, 0.08) 50%, rgba(182, 133, 255, 0.06) 100%);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 60px rgba(33, 208, 122, 0.1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .nav-brand, .section-kicker, .hero-kicker, .price-amount, .step-number {
  font-family: 'Outfit', sans-serif;
}

.container { width: min(1200px, 100%); margin: 0 auto; padding: 0 24px; }

/* ── Navigation ─────────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(6, 9, 16, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}

.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}

.nav-brand { text-decoration: none; font-size: 18px; font-weight: 800; }
.brand-social { color: var(--text); }
.brand-vs { color: var(--green); margin: 0 4px; }
.brand-paid { color: var(--text); }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link { color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color var(--transition); }
.nav-link:hover { color: var(--text); }

.nav-btn-cta {
  padding: 8px 20px; border-radius: 8px; font-size: 14px; font-weight: 600;
  text-decoration: none; color: var(--bg);
  background: var(--gradient-primary);
  transition: transform var(--transition), box-shadow var(--transition);
}
.nav-btn-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(33, 208, 122, 0.3); }

.nav-mobile-toggle {
  display: none; background: none; border: 1px solid var(--line);
  color: var(--text); font-size: 20px; padding: 6px 10px; border-radius: 6px; cursor: pointer;
}

/* ── Hero ────────────────────────────────────────────────────────── */
.hero {
  position: relative; padding: 160px 24px 100px;
  text-align: center; overflow: hidden;
  background: var(--gradient-hero);
}

.hero-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px; border-radius: 50%;
  background: radial-gradient(circle, rgba(33, 208, 122, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; max-width: 800px; margin: 0 auto; }

.hero-kicker {
  color: var(--green); font-size: 14px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
}

.hero h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.1; font-weight: 900; margin-bottom: 20px; }

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

.hero-sub { color: var(--text-muted); font-size: 18px; max-width: 600px; margin: 0 auto 32px; line-height: 1.7; }

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  padding-top: 32px; border-top: 1px solid var(--line);
}

.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 28px; font-weight: 800; font-family: 'Outfit', sans-serif; color: var(--green); }
.hero-stat span { font-size: 13px; color: var(--text-muted); }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: 10px; font-size: 15px; font-weight: 600;
  text-decoration: none; cursor: pointer; border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
  color: var(--bg); background: var(--gradient-primary);
  box-shadow: 0 2px 12px rgba(33, 208, 122, 0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(33, 208, 122, 0.35); }

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

.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ── Sections ────────────────────────────────────────────────────── */
.section { padding: 96px 0; }

.section-kicker {
  color: var(--blue); font-size: 13px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-size: clamp(24px, 4vw, 36px); font-weight: 800;
  text-align: center; margin-bottom: 12px;
}

.section-sub {
  color: var(--text-muted); font-size: 16px;
  text-align: center; max-width: 600px; margin: 0 auto 48px;
}

/* ── Products ────────────────────────────────────────────────────── */
.products-section { background: var(--bg-subtle); }

.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  position: relative; padding: 36px 28px;
  background: var(--panel-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(33, 208, 122, 0.3);
}

.product-card.featured { border-color: rgba(33, 208, 122, 0.4); }

.product-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  padding: 4px 16px; border-radius: 20px; font-size: 12px; font-weight: 700;
  background: var(--gradient-primary); color: var(--bg);
  text-transform: uppercase; letter-spacing: 1px;
}

.product-icon { font-size: 40px; margin-bottom: 16px; }

.product-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }

.product-desc { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }

.product-features {
  display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px;
}

.product-features span { color: var(--text-muted); font-size: 13px; }
.product-features span::before { color: var(--green); }

.product-price { text-align: center; margin-bottom: 20px; }
.price-amount { font-size: 36px; font-weight: 900; color: var(--text); }
.price-period { display: block; font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ── Creator Spotlight ───────────────────────────────────────────── */
.spotlight-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; margin-bottom: 40px;
}

.spotlight-card {
  padding: 24px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}

.spotlight-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.spotlight-rank {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--green-dim); color: var(--green);
  font-size: 14px; font-weight: 800; margin-bottom: 12px;
}

.spotlight-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.spotlight-category { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }

.spotlight-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.spotlight-metric { text-align: center; }
.spotlight-metric-value {
  display: block; font-size: 18px; font-weight: 800;
  font-family: 'Outfit', sans-serif; color: var(--blue);
}
.spotlight-metric-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.spotlight-score {
  margin-top: 16px; padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.spotlight-score-value {
  font-size: 28px; font-weight: 900;
  font-family: 'Outfit', sans-serif;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.spotlight-score-label { font-size: 11px; color: var(--text-muted); display: block; }

.spotlight-status {
  display: inline-block; margin-top: 8px; padding: 3px 10px;
  border-radius: 20px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.status-surging { background: rgba(33, 208, 122, 0.15); color: var(--green); }
.status-organic-power { background: rgba(84, 167, 255, 0.15); color: var(--blue); }
.status-highly-engaged { background: rgba(182, 133, 255, 0.15); color: var(--violet); }
.status-stable { background: rgba(137, 153, 170, 0.15); color: var(--text-muted); }
.status-paid-efficient { background: rgba(255, 190, 69, 0.15); color: var(--amber); }

.spotlight-loading {
  grid-column: 1 / -1; text-align: center; padding: 60px 0;
  color: var(--text-muted);
}

.spinner {
  width: 36px; height: 36px; border: 3px solid var(--line);
  border-top-color: var(--green); border-radius: 50%;
  animation: spin 0.8s linear infinite; margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.spotlight-cta { text-align: center; }
.spotlight-cta p { color: var(--text-muted); margin-bottom: 12px; }

/* ── How It Works ────────────────────────────────────────────────── */
.how-section { background: var(--bg-subtle); }

.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.step-card {
  padding: 28px 24px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius);
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}

.step-card:hover { transform: translateY(-3px); border-color: var(--green); }

.step-number {
  font-size: 32px; font-weight: 900; color: var(--green);
  margin-bottom: 16px; opacity: 0.6;
}

.step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.step-card p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

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

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }

.footer-brand { font-size: 20px; font-weight: 800; }
.footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 12px; font-weight: 400; }

.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 14px; transition: color var(--transition); }
.footer-links a:hover { color: var(--green); }

.footer-bottom { padding-top: 24px; border-top: 1px solid var(--line); text-align: center; }
.footer-bottom p { color: var(--text-muted); font-size: 13px; }

/* ── Checkout Modal ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 300ms;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal-panel {
  width: min(440px, 90vw); padding: 36px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-lg); position: relative;
}

.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; color: var(--text-muted);
  font-size: 24px; cursor: pointer;
}

.modal-panel h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.modal-panel p { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; }

.modal-select {
  width: 100%; padding: 10px 14px; border-radius: 8px;
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--text); font-size: 14px; margin-bottom: 20px;
}

.modal-price-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-top: 1px solid var(--line); margin-bottom: 20px;
}
.modal-price-row span { color: var(--text-muted); font-size: 16px; }
.modal-price-row strong { font-size: 24px; font-weight: 800; color: var(--green); }

.modal-disclaimer { color: var(--text-muted); font-size: 12px; text-align: center; margin-top: 12px; }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .spotlight-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(6, 9, 16, 0.95); backdrop-filter: blur(20px);
    padding: 24px; border-bottom: 1px solid var(--line);
  }
  .hero { padding: 120px 20px 60px; }
  .hero h1 { font-size: 28px; }
  .hero-stats { gap: 24px; }
  .products-grid { grid-template-columns: 1fr; }
  .spotlight-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}