/* =============================================
   LEDGER – Premium CSS
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #0A0A0F;
  --bg-secondary: #111118;
  --bg-card: #16161F;
  --accent: #FF6B35;
  --accent-2: #FFB347;
  --accent-glow: rgba(255,107,53,0.25);
  --gold: #C9A84C;
  --gold-light: #F0C96B;
  --text-primary: #F0F0F5;
  --text-secondary: #9090A8;
  --text-muted: #55556A;
  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(255,107,53,0.3);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

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

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===================== HEADER ===================== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 60px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
header.scrolled { padding: 12px 60px; }

.logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 18px; color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}
.logo-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text-primary); }
.logo-text span { color: var(--accent); }

nav { display: flex; align-items: center; gap: 8px; }
nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px; font-weight: 500;
  padding: 8px 16px; border-radius: 8px;
  transition: var(--transition);
}
nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

.header-cta {
  background: linear-gradient(135deg, var(--accent), #FF4500);
  color: #fff !important;
  border-radius: 10px;
  padding: 10px 22px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: var(--transition) !important;
}
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); background: rgba(255,255,255,0.0) !important; background: linear-gradient(135deg, #FF7B45, #FF5500) !important; }

/* ===================== HERO ===================== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 60px 80px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(255,107,53,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute; bottom: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { max-width: 600px; z-index: 1; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,107,53,0.1);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  font-size: 12px; font-weight: 600;
  padding: 6px 14px; border-radius: 50px;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px; color: var(--text-secondary);
  font-weight: 400; line-height: 1.7;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #FF4500);
  color: #fff; border: none;
  padding: 16px 36px; border-radius: 12px;
  font-size: 16px; font-weight: 700;
  cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 8px 30px var(--accent-glow);
  transition: var(--transition);
  letter-spacing: -0.2px;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(255,107,53,0.4); }

.btn-secondary {
  background: transparent;
  color: var(--text-primary); border: 1px solid var(--border);
  padding: 16px 32px; border-radius: 12px;
  font-size: 16px; font-weight: 600;
  cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: rgba(255,107,53,0.05); }

.hero-stats {
  display: flex; gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat-item { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--text-primary); letter-spacing: -1px; }
.stat-num span { color: var(--accent); }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }

/* Hero right side */
.hero-visual {
  position: absolute; right: 60px; top: 50%; transform: translateY(-50%);
  width: 500px; z-index: 1;
}
.device-showcase {
  position: relative; display: flex; align-items: center; justify-content: center;
}
.device-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: rotate 20s linear infinite;
}
.ring-1 { width: 380px; height: 380px; border-color: rgba(255,107,53,0.15); }
.ring-2 { width: 300px; height: 300px; border-color: rgba(201,168,76,0.1); animation-direction: reverse; animation-duration: 15s; }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.device-card {
  position: relative; z-index: 2;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  text-align: center;
  backdrop-filter: blur(10px);
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 60px rgba(255,107,53,0.07);
}
.device-img { font-size: 100px; margin-bottom: 20px; }
.device-name { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.device-price { font-size: 28px; font-weight: 900; color: var(--accent); }
.device-price small { font-size: 14px; font-weight: 400; color: var(--text-muted); }

.floating-badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 12px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: float 4s ease-in-out infinite;
}
.floating-badge.top-left { top: -20px; left: -60px; animation-delay: 0s; }
.floating-badge.bottom-right { bottom: 20px; right: -50px; animation-delay: 2s; }
.fb-dot { width: 8px; height: 8px; border-radius: 50%; }
.fb-dot.green { background: #4CAF50; box-shadow: 0 0 8px rgba(76,175,80,0.6); }
.fb-dot.gold { background: var(--gold); box-shadow: 0 0 8px rgba(201,168,76,0.6); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ===================== TRUST BAR ===================== */
.trust-bar {
  padding: 24px 60px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-secondary); font-size: 13px; font-weight: 500;
}
.trust-item .ti-icon { font-size: 20px; }

/* ===================== SECTION COMMON ===================== */
section { padding: 100px 60px; }
.section-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px;
  color: var(--accent); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.section-label::before { content: ''; width: 20px; height: 2px; background: var(--accent); }
.section-title { font-size: clamp(30px, 4vw, 48px); font-weight: 800; letter-spacing: -1.5px; margin-bottom: 16px; }
.section-desc { color: var(--text-secondary); font-size: 17px; max-width: 520px; line-height: 1.7; }
.section-header { margin-bottom: 60px; }
.section-header.center { text-align: center; }
.section-header.center .section-label { justify-content: center; }
.section-header.center .section-label::before { display: none; }
.section-header.center .section-desc { margin: 0 auto; }

/* ===================== PRODUCTS ===================== */
.products-section { background: var(--bg-secondary); }
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  position: relative; overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover { border-color: var(--border-accent); transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.4), 0 0 30px rgba(255,107,53,0.1); }
.product-card.featured { border-color: var(--border-accent); }
.product-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  opacity: 0; transition: var(--transition);
}
.product-card:hover::before, .product-card.featured::before { opacity: 1; }

.product-badge {
  position: absolute; top: 20px; right: 20px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 50px;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.product-emoji { font-size: 64px; margin-bottom: 24px; display: block; }
.product-name { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.product-tagline { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; }

.product-features { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 8px; }
.product-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-secondary);
}
.product-features li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }

.product-footer { display: flex; align-items: center; justify-content: space-between; }
.product-price { font-size: 26px; font-weight: 900; }
.product-price .currency { font-size: 16px; color: var(--text-muted); font-weight: 400; }
.product-price .old-price { font-size: 14px; color: var(--text-muted); text-decoration: line-through; font-weight: 400; }

.btn-buy {
  background: linear-gradient(135deg, var(--accent), #FF4500);
  color: #fff; border: none;
  padding: 12px 24px; border-radius: 10px;
  font-size: 14px; font-weight: 700;
  cursor: pointer; text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-buy:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,53,0.5); }

/* ===================== FEATURES ===================== */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--border-accent); transform: translateY(-4px); }
.feature-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(255,107,53,0.15), rgba(201,168,76,0.1));
  border: 1px solid var(--border-accent);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.feature-title { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.feature-desc { color: var(--text-secondary); font-size: 14px; line-height: 1.65; }

/* ===================== HOW IT WORKS ===================== */
.how-section { background: var(--bg-secondary); }
.steps-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0; position: relative;
}
.step-item {
  padding: 40px 32px;
  position: relative;
  text-align: center;
}
.step-item:not(:last-child)::after {
  content: '→';
  position: absolute; right: -12px; top: 50%;
  transform: translateY(-50%);
  color: var(--accent); font-size: 24px;
  opacity: 0.4;
}
.step-num {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 900;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.step-title { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.step-desc { color: var(--text-secondary); font-size: 13px; line-height: 1.6; }

/* ===================== REVIEWS ===================== */
.reviews-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.review-card:hover { border-color: var(--border-accent); }
.review-stars { color: var(--gold); font-size: 14px; margin-bottom: 14px; }
.review-text { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.review-text::before { content: '"'; color: var(--accent); font-size: 24px; font-style: normal; line-height: 0; vertical-align: middle; margin-right: 4px; }
.reviewer { display: flex; align-items: center; gap: 12px; }
.reviewer-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700;
}
.reviewer-name { font-size: 13px; font-weight: 600; }
.reviewer-city { font-size: 12px; color: var(--text-muted); }

/* ===================== FAQ ===================== */
.faq-section { background: var(--bg-secondary); }
.faq-grid { max-width: 800px; 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-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--border-accent); }
.faq-question {
  padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; font-weight: 600; font-size: 15px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-arrow { color: var(--text-muted); transition: var(--transition); }
.faq-item.open .faq-arrow { transform: rotate(45deg); color: var(--accent); }
.faq-answer {
  padding: 0 24px;
  color: var(--text-secondary); font-size: 14px; line-height: 1.7;
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }

/* ===================== CTA BAND ===================== */
.cta-section {
  background: linear-gradient(135deg, rgba(255,107,53,0.12), rgba(201,168,76,0.08));
  border-top: 1px solid var(--border-accent);
  border-bottom: 1px solid var(--border-accent);
  text-align: center;
}
.cta-section .section-title { font-size: clamp(28px,4vw,46px); }

/* ===================== FOOTER ===================== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 60px 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer-brand p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-top: 16px; max-width: 280px; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.footer-col a { display: block; color: var(--text-muted); font-size: 13px; text-decoration: none; margin-bottom: 10px; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--text-muted);
}

/* ===================== MOBILE ===================== */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  header { padding: 16px 24px; }
  section, .hero { padding-left: 24px; padding-right: 24px; }
  .trust-bar { padding: 20px 24px; }
  footer { padding: 48px 24px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  nav { display: none; }
}
@media (max-width: 640px) {
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .step-item:not(:last-child)::after { display: none; }
  header { padding: 14px 16px; }
  header.scrolled { padding: 10px 16px; }
}

/* ===================== UTILITY ===================== */
.text-gradient {
  background: linear-gradient(135deg, var(--accent), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.container { max-width: 1200px; margin: 0 auto; }

/* ===================== ANIMATIONS ===================== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }