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

:root {
  --bg: #ffffff;
  --bg-card: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #475569;
  --dim: #94a3b8;
  --primary: #059669;
  --primary-dark: #047857;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

a { color: inherit; }
img { max-width: 100%; }
button { font-family: inherit; }

/* NAV */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--text); text-decoration: none; }
.logo-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 14px; text-decoration: none; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.btn-nav { background: var(--primary); color: #fff !important; padding: 8px 20px; border-radius: 8px; font-weight: 600; font-size: 14px !important; transition: background .2s !important; }
.btn-nav:hover { background: var(--primary-dark) !important; }

/* CONTAINER */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* HERO */
.hero { padding: 100px 0 80px; text-align: center; background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%); }
.hero-badge { display: inline-block; background: #f0fdf4; border: 1px solid #a7f3d0; border-radius: 20px; padding: 6px 16px; font-size: 13px; color: #059669; margin-bottom: 28px; font-weight: 500; }
.hero h1 { font-size: clamp(32px, 5vw, 60px); font-weight: 800; line-height: 1.1; color: var(--text); margin-bottom: 20px; }
.gradient-text { background: linear-gradient(135deg, var(--primary), #7c3aed); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 18px; color: var(--muted); max-width: 600px; margin: 0 auto 48px; }

/* UPLOAD CARD */
.upload-card { max-width: 600px; margin: 0 auto 48px; }
.upload-zone { background: #fff; border: 2px dashed #a7f3d0; border-radius: 20px; padding: 48px 32px; transition: border-color .2s; box-shadow: 0 4px 24px rgba(5,150,105,.08); }
.upload-zone:hover { border-color: var(--primary); }
.upload-icon { color: var(--primary); margin-bottom: 16px; }
.upload-title { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.upload-sub { font-size: 14px; color: var(--dim); margin-bottom: 28px; }
.btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--primary); color: #fff; padding: 14px 28px; border-radius: 10px; font-size: 15px; font-weight: 600; text-decoration: none; transition: background .2s, transform .1s, box-shadow .2s; border: none; cursor: pointer; box-shadow: 0 2px 12px rgba(5,150,105,.25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(5,150,105,.35); }
.btn-primary.large { padding: 16px 36px; font-size: 16px; }
.upload-note { font-size: 13px; color: var(--dim); margin-top: 12px; }
.btn-outline { display: inline-block; border: 1.5px solid var(--primary); color: var(--primary); padding: 13px 28px; border-radius: 10px; font-size: 15px; font-weight: 600; text-decoration: none; transition: all .2s; }
.btn-outline:hover { background: #eff6ff; }

/* STATS */
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 0; max-width: 520px; margin: 0 auto; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 20px 0; box-shadow: 0 2px 16px rgba(0,0,0,.06); }
.stat { text-align: center; padding: 0 32px; }
.stat strong { display: block; font-size: 24px; font-weight: 800; color: var(--primary); }
.stat span { font-size: 13px; color: var(--dim); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* SECTION */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--primary); margin-bottom: 12px; }
.section h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; color: var(--text); margin-bottom: 16px; }
.section-sub { font-size: 17px; color: var(--muted); max-width: 560px; margin-bottom: 56px; }

/* STEPS */
.steps { display: flex; align-items: flex-start; gap: 16px; }
.step { flex: 1; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 32px 24px; box-shadow: 0 2px 12px rgba(0,0,0,.05); }
.step-num { font-size: 12px; font-weight: 700; color: var(--dim); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; }
.step-icon { width: 52px; height: 52px; border-radius: 12px; background: #f0fdf4; border: 1px solid #a7f3d0; display: flex; align-items: center; justify-content: center; color: var(--primary); margin-bottom: 16px; }
.step h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }
.step-arrow { font-size: 24px; color: var(--dim); padding-top: 60px; flex-shrink: 0; }

/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px 24px; transition: border-color .2s, box-shadow .2s; box-shadow: 0 1px 8px rgba(0,0,0,.04); }
.feature-card:hover { border-color: #a7f3d0; box-shadow: 0 4px 20px rgba(5,150,105,.1); }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feature-icon.blue { background: #eff6ff; color: #2563eb; }
.feature-icon.green { background: #f0fdf4; color: #059669; }
.feature-icon.purple { background: #f5f3ff; color: #7c3aed; }
.feature-icon.orange { background: #fff7ed; color: #d97706; }
.feature-icon.cyan { background: #ecfeff; color: #0891b2; }
.feature-icon.red { background: #fef2f2; color: #dc2626; }
.feature-card h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); }

/* USE CASES */
.usecases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.usecase { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px 24px; box-shadow: 0 1px 8px rgba(0,0,0,.04); }
.usecase-emoji { font-size: 32px; margin-bottom: 12px; }
.usecase h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.usecase p { font-size: 14px; color: var(--muted); }

/* LANGUAGES */
.lang-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.lang-tag { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 8px 16px; font-size: 14px; color: var(--muted); box-shadow: 0 1px 4px rgba(0,0,0,.04); }

/* PRICING */
.pricing-grid { display: flex; gap: 24px; max-width: 720px; }
.pricing-card { flex: 1; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 36px 32px; box-shadow: 0 2px 16px rgba(0,0,0,.06); }
.pricing-card.featured { border-color: var(--primary); border-width: 2px; position: relative; box-shadow: 0 8px 32px rgba(5,150,105,.15); }
.plan-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 20px; white-space: nowrap; }
.plan-name { font-size: 16px; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.plan-price { font-size: 48px; font-weight: 800; color: var(--text); margin-bottom: 24px; }
.plan-price span { font-size: 16px; font-weight: 400; color: var(--dim); }
.plan-features { list-style: none; margin-bottom: 32px; }
.plan-features li { font-size: 14px; color: var(--muted); padding: 8px 0; border-bottom: 1px solid var(--border); }
.plan-features li:last-child { border: none; }

/* FAQ */
.faq-list { max-width: 720px; display: flex; flex-direction: column; gap: 2px; }
.faq-item { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-bottom: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.04); }
.faq-q { width: 100%; background: #fff; border: none; padding: 20px 24px; text-align: left; color: var(--text); font-size: 16px; font-weight: 500; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-q:hover { background: #f8fafc; }
.faq-icon { font-size: 20px; color: var(--dim); flex-shrink: 0; transition: transform .2s; }
.faq-a { background: #fff; padding: 0 24px; max-height: 0; overflow: hidden; font-size: 15px; color: var(--muted); transition: max-height .3s ease, padding .3s; }
.faq-item.open .faq-a { max-height: 200px; padding: 0 24px 20px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* CTA SECTION */
.cta-section { padding: 80px 0; background: var(--bg-alt); }
.cta-card { background: linear-gradient(135deg, #f0fdf4, #ecfdf5); border: 1px solid #a7f3d0; border-radius: 24px; padding: 72px 48px; text-align: center; }
.cta-card h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; color: var(--text); margin-bottom: 12px; }
.cta-card p { font-size: 17px; color: var(--muted); margin-bottom: 36px; }

/* TRUST BAR */
.trust-bar { display: flex; align-items: center; justify-content: center; gap: 32px; padding: 16px 0; border-top: 1px solid var(--border); margin-top: 48px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.trust-item svg { color: #059669; }

/* FOOTER */
.footer { background: #0f172a; border-top: 1px solid #1e293b; padding: 64px 0 32px; }
.footer .logo { color: #f1f5f9; }
.footer-top { display: flex; gap: 64px; margin-bottom: 48px; }
.footer-brand { flex: 1; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: #64748b; max-width: 280px; }
.footer-links { display: flex; gap: 64px; }
.footer-links h4 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: #64748b; margin-bottom: 16px; }
.footer-links a { display: block; font-size: 14px; color: #94a3b8; text-decoration: none; margin-bottom: 10px; }
.footer-links a:hover { color: #f1f5f9; }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 24px; display: flex; justify-content: space-between; font-size: 13px; color: #64748b; }
.footer-bottom a { color: #60a5fa; text-decoration: none; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .features-grid, .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { flex-direction: column; }
  .step-arrow { display: none; }
  .footer-top { flex-direction: column; gap: 32px; }
}
@media (max-width: 640px) {
  .hero { padding: 64px 0 48px; }
  .nav-links a:not(.btn-nav) { display: none; }
  .features-grid, .usecases-grid { grid-template-columns: 1fr; }
  .pricing-grid { flex-direction: column; }
  .hero-stats { gap: 0; flex-wrap: wrap; }
  .stat { padding: 0 16px; }
  .section { padding: 64px 0; }
  .footer-links { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}