*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --bg: #fef9f5;
  --bg-alt: #fff;
  --primary: #f16522;
  --primary-dark: #cf4f12;
  --primary-light: #fde8d8;
  --text: #2d2d2d;
  --text-muted: #8b7a72;
  --muted: #f5ede8;
  --accent: #f6921e;
  --border: #e8ddd6;
  --nav-bg: rgba(255,255,255,0.85);
  --card-bg: #fff;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --radius: 16px;
  --max-width: 1100px;
}
[data-theme="dark"] {
  --bg: #0f0a07;
  --bg-alt: #1a100b;
  --text: #fef9f5;
  --text-muted: #b89a8a;
  --muted: #1f140e;
  --border: #3d2215;
  --nav-bg: rgba(15,10,7,0.9);
  --card-bg: #1a100b;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
.btn-primary, .btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: 50px; font-weight: 600;
  font-size: 14px; transition: all 0.2s; cursor: pointer;
  border: none; font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--nav-bg); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; }
.logo-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 16px;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { padding: 8px 14px; font-size: 14px; font-weight: 500; color: var(--text-muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--primary); }
.theme-toggle {
  background: none; border: 1.5px solid var(--border);
  border-radius: 50%; width: 36px; height: 36px;
  cursor: pointer; font-size: 16px; color: var(--text);
  display: flex; align-items: center; justify-content: center;
  margin-left: 8px; transition: all 0.2s;
}
.theme-toggle:hover { border-color: var(--primary); }
.hamburger {
  display: none; flex-direction: column; gap: 4px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s; }

/* Hero */
.hero {
  padding: 140px 24px 80px; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #f16522, #d4551c 55%, #b84414);
}
.hero-bg {
  position: absolute; inset: 0; opacity: 0.08;
  background-image: radial-gradient(circle at 20% 50%, #fff 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, #fff 0%, transparent 40%);
}
.hero-content {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 1;
}
.hero-text { color: #fff; }
.hero-badge {
  display: inline-block; padding: 6px 16px;
  background: rgba(255,255,255,0.15); border-radius: 50px;
  font-size: 13px; font-weight: 500; margin-bottom: 20px;
}
.hero-text h1 { font-size: clamp(32px,4vw,52px); font-weight: 900; line-height: 1.15; margin-bottom: 16px; }
.text-accent { color: #ffd4b0; }
.hero-text p { font-size: 18px; opacity: 0.85; margin-bottom: 28px; max-width: 500px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-actions .btn-outline { border-color: rgba(255,255,255,0.3); color: #fff; }
.hero-actions .btn-outline:hover { border-color: #fff; }
.hero-stats { display: flex; gap: 24px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 24px; font-weight: 800; }
.stat-label { font-size: 13px; opacity: 0.7; }
.hero-phone { display: flex; justify-content: center; }
.phone-frame {
  width: 280px; height: 560px; border-radius: 36px;
  background: #1a1a2e; padding: 10px; position: relative;
  box-shadow: 0 20px 80px rgba(0,0,0,0.3);
}
.phone-notch { width: 120px; height: 24px; background: #1a1a2e; border-radius:0 0 16px 16px; margin:-10px auto 0; position:relative; z-index:2; }
.phone-screen { background:#fef9f5; border-radius:26px; height:100%; padding:24px 16px; overflow:hidden; }
.phone-header { display:flex; justify-content:space-between; margin-bottom:4px; }
.phone-balance { font-size:22px; font-weight:800; color:#2d2d2d; }
.phone-user { font-size:14px; color:#8b7a72; align-self:center; }
.phone-actions { display:flex; gap:10px; margin:16px 0 20px; }
.phone-action { width:48px; height:48px; border-radius:14px; display:flex; align-items:center; justify-content:center; font-size:18px; }
.phone-transactions { display:flex; flex-direction:column; gap:10px; }
.txn { background:#fff; padding:10px 12px; border-radius:10px; display:flex; justify-content:space-between; font-size:13px; font-weight:500; color:#2d2d2d; box-shadow:0 1px 4px rgba(0,0,0,0.04); }
.txn-amount { color:#22c55e; }
.txn-green { color:#f16522; }

/* Sections */
.section { padding: 80px 24px; }
.section-heading { text-align:center; margin-bottom:48px; }
.section-heading h2 { font-size:clamp(28px,3vw,36px); font-weight:800; }
.section-heading p { color:var(--text-muted); margin-top:8px; font-size:16px; }
.section-heading, .features-grid, .pricing-grid, .download-card, .faq-list { max-width:var(--max-width); margin-left:auto; margin-right:auto; }
.features-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.feature-card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:28px 24px; transition:all 0.3s; }
.feature-card:hover { transform:translateY(-2px); box-shadow:var(--shadow); }
.feature-icon { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:20px; margin-bottom:14px; }
.feature-card h3 { font-size:16px; font-weight:700; margin-bottom:6px; }
.feature-card p { font-size:14px; color:var(--text-muted); line-height:1.6; }

/* Download */
.download { background:linear-gradient(160deg,#f16522,#d4551c 55%,#b84414); color:#fff; text-align:center; }
.download .section-heading h2 { color:#fff; }
.download .section-heading p { color:rgba(255,255,255,0.7); }
.download-card { max-width:420px; background:rgba(255,255,255,0.1); backdrop-filter:blur(8px); border-radius:var(--radius); padding:36px 28px; text-align:center; }
.download-icon { font-size:48px; margin-bottom:8px; }
.download-card h3 { font-size:22px; font-weight:700; margin-bottom:4px; }
.download-card p { font-size:14px; opacity:0.8; margin-bottom:20px; }
.download-btn { font-size:18px; padding:16px 40px; background:#fff; color:var(--primary); }
.download-btn:hover { background:#f5f5f5; }
.download-note { font-size:12px; opacity:0.6; margin-top:12px; }

/* Pricing */
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.pricing-card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:32px 24px; text-align:center; position:relative; transition:all 0.3s; }
.pricing-card:hover { transform:translateY(-2px); box-shadow:var(--shadow); }
.pricing-card.featured { border-color:var(--primary); border-width:2px; }
.pricing-badge { position:absolute; top:-12px; left:50%; transform:translateX(-50%); background:var(--primary); color:#fff; padding:4px 16px; border-radius:50px; font-size:12px; font-weight:600; }
.pricing-icon { font-size:32px; margin-bottom:8px; }
.pricing-card h3 { font-size:16px; font-weight:700; }
.pricing-amount { font-size:36px; font-weight:900; color:var(--primary); margin-top:8px; }
.pricing-period { font-size:13px; color:var(--text-muted); }
.pricing-features { list-style:none; margin-top:20px; text-align:left; }
.pricing-features li { padding:6px 0; font-size:14px; color:var(--text-muted); }
.pricing-features li::before { content:"\2713 "; color:var(--primary); font-weight:700; }

/* FAQ */
.faq-list { max-width:640px; }
.faq-item { border:1px solid var(--border); border-radius:12px; margin-bottom:8px; overflow:hidden; }
.faq-question { width:100%; padding:16px 20px; background:var(--card-bg); border:none; font-family:inherit; font-size:15px; font-weight:600; color:var(--text); cursor:pointer; display:flex; justify-content:space-between; align-items:center; text-align:left; }
.faq-question:hover { background:var(--muted); }
.faq-arrow { font-size:10px; transition:transform 0.3s; }
.faq-item.open .faq-arrow { transform:rotate(180deg); }
.faq-answer { max-height:0; overflow:hidden; transition:max-height 0.3s ease; background:var(--card-bg); }
.faq-answer p { padding:0 20px 16px; font-size:14px; color:var(--text-muted); line-height:1.7; }
.faq-item.open .faq-answer { max-height:200px; }

/* Footer */
.footer { border-top:1px solid var(--border); padding:48px 24px 24px; background:var(--bg-alt); }
.footer-inner { max-width:var(--max-width); margin:0 auto; display:grid; grid-template-columns:1.5fr 2fr; gap:40px; }
.footer-brand .logo-icon { margin-bottom:12px; }
.footer-name { font-weight:700; font-size:18px; vertical-align:middle; margin-left:8px; }
.footer-brand p { font-size:14px; color:var(--text-muted); margin-top:8px; max-width:280px; }
.footer-links { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.footer-col h4 { font-size:14px; font-weight:700; margin-bottom:12px; }
.footer-col a { display:block; font-size:14px; color:var(--text-muted); padding:4px 0; }
.footer-col a:hover { color:var(--primary); }
.footer-bottom { max-width:var(--max-width); margin:32px auto 0; padding-top:16px; border-top:1px solid var(--border); font-size:13px; color:var(--text-muted); text-align:center; }

/* Responsive */
@media (max-width:900px) {
  .hero-content { grid-template-columns:1fr; text-align:center; }
  .hero-text p { margin-left:auto; margin-right:auto; }
  .hero-actions { justify-content:center; }
  .hero-stats { justify-content:center; }
  .phone-frame { width:240px; height:480px; }
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .pricing-grid { grid-template-columns:repeat(2,1fr); }
  .footer-inner { grid-template-columns:1fr; }
  .footer-links { grid-template-columns:repeat(3,1fr); }
}
@media (max-width:640px) {
  .nav-links { display:none; }
  .hamburger { display:flex; }
  .nav-links.open { display:flex; flex-direction:column; position:absolute; top:64px; left:0; right:0; background:var(--nav-bg); backdrop-filter:blur(12px); padding:16px 24px; border-bottom:1px solid var(--border); gap:4px; }
  .hero { padding-top:100px; }
  .hero-text h1 { font-size:28px; }
  .features-grid { grid-template-columns:1fr; }
  .pricing-grid { grid-template-columns:1fr; }
  .footer-links { grid-template-columns:1fr 1fr; }
  .phone-frame { width:200px; height:400px; }
  .phone-balance { font-size:18px; }
}
@media (max-width:480px) {
  .phone-frame { display:none; }
}
