:root {
  --bg-main: #F8FAFC;       /* light — match mockup-light.html */
  --bg-sidebar: #FFFFFF;
  --bg-card: #FFFFFF;
  --accent: #25D366;
  --accent-hover: #0B7A3E;
  --accent-soft: #DCFCE7;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --border: #E2E8F0;
  --danger: #EF4444;
  --shadow-card: 0 2px 8px rgba(15,23,42,.04);
  --shadow-pop: 0 16px 40px rgba(15,23,42,.08);
}

* { box-sizing: border-box; }

body {
  background: var(--bg-main);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  margin: 0;
  overflow-x: hidden;
  line-height: 1.55;
}

a { color: inherit; }

.header {
  padding: 18px 5%;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo { font-weight: 800; font-size: 22px; letter-spacing: -1px; color: var(--text-primary); }
.nav { display: flex; gap: 28px; align-items: center; }
.nav button, .nav > a:not(.btn-primary):not(.btn-ghost) { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-weight: 600; text-decoration: none; font-size: 15px; font-family: inherit; transition: .2s; }
.nav button:hover, .nav > a:not(.btn-primary):not(.btn-ghost):hover { color: var(--accent-hover); }

.btn-primary {
  background: var(--accent);
  color: #ffffff !important;
  padding: 11px 22px;
  border-radius: 8px;
  border: none;
  font-weight: 700;
  cursor: pointer;
  transition: .2s;
  display: inline-block;
  text-decoration: none !important;
  font-family: inherit;
  font-size: 15px;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(34,197,94,.3); }

.btn-ghost {
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text-primary) !important;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: .2s;
  font-family: inherit;
  font-size: 15px;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent) !important; }

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-xl { padding: 18px 36px; font-size: 18px; }

.accent { color: var(--accent); }

.badge-pill {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-hover);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
  border: 1px solid rgba(37,211,102,0.25);
}

.hero {
  padding: 80px 5% 100px;
  display: flex;
  align-items: center;
  gap: 60px;
  min-height: 70vh;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-text { flex: 1.1; }
.hero-text h1 { font-size: 60px; font-weight: 800; line-height: 1.05; margin: 0 0 20px; letter-spacing: -1.5px; }
.hero-text p { font-size: 19px; color: var(--text-secondary); max-width: 560px; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 24px; margin-top: 28px; color: var(--text-secondary); font-size: 14px; flex-wrap: wrap; }

.hero-image { flex: 1; display: flex; justify-content: center; }

.mock-window {
  background: #0b1220;
  width: 100%;
  max-width: 480px;
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(34,197,94,.08);
}
.mock-chrome { background: #1e293b; padding: 12px 16px; display: flex; gap: 7px; }
.mock-chrome span { width: 11px; height: 11px; border-radius: 50%; background: #475569; }
.mock-chrome span:nth-child(1) { background: #ef4444; }
.mock-chrome span:nth-child(2) { background: #f59e0b; }
.mock-chrome span:nth-child(3) { background: #22c55e; }
.mock-body { padding: 8px; }
.mock-row { display: flex; align-items: center; gap: 12px; padding: 14px; border-bottom: 1px solid rgba(255,255,255,0.05); }
.mock-row:last-child { border-bottom: 0; }
.mock-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #04140a; display: flex; align-items: center; justify-content: center; font-weight: 800; flex-shrink: 0; }
.mock-col { flex: 1; min-width: 0; }
.mock-col b { font-size: 14px; display: block; color: #F1F5F9; }
.mock-col small { color: #94A3B8; font-size: 12px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag { padding: 4px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; text-transform: uppercase; white-space: nowrap; }
.tag-rm { background: rgba(168,85,247,.15); color: #c084fc; }
.tag-ok { background: rgba(37,211,102,.15); color: var(--accent); }
.tag-ent { background: rgba(59,130,246,.15); color: #60a5fa; }
.tag-ia { background: rgba(244,114,182,.15); color: #f472b6; }

.features { padding: 90px 5%; max-width: 1400px; margin: 0 auto; }
.features h2 { text-align: center; font-size: 40px; font-weight: 800; margin: 0 0 12px; letter-spacing: -1px; }
.subtitle { text-align: center; color: var(--text-secondary); font-size: 17px; max-width: 620px; margin: 0 auto 48px; }
.strike { text-decoration: line-through; color: var(--text-secondary); }

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.pain-card {
  background: var(--bg-card);
  padding: 24px;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: .2s;
}
.pain-card:hover { border-color: var(--accent); }
.pain-line { color: var(--text-secondary); font-size: 15px; margin-bottom: 10px; }
.pain-line .x { color: var(--danger); font-weight: 700; margin-right: 6px; }
.fix-line { color: var(--text-primary); font-weight: 600; font-size: 15px; }
.fix-line .c { color: var(--accent); font-weight: 700; margin-right: 6px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  margin-top: 40px;
}
.feature-card {
  background: var(--bg-card);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: .3s;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-pop); }
.feature-card .emoji { font-size: 36px; margin-bottom: 14px; }
.feature-card h3 { margin: 0 0 10px; font-size: 19px; font-weight: 700; }
.feature-card p { margin: 0; color: var(--text-secondary); font-size: 15px; }
.feature-card code { background: var(--accent-soft); padding: 2px 6px; border-radius: 4px; color: var(--accent-hover); font-size: 13px; font-weight: 600; }

.stats {
  background: var(--accent-soft);
  padding: 60px 5%;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}
.stat-num { font-size: 44px; font-weight: 800; color: var(--accent); letter-spacing: -1px; }
.stat-lbl { color: var(--text-secondary); font-size: 14px; margin-top: 6px; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 50px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
.price-card {
  background: var(--bg-card);
  padding: 36px 30px;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  text-align: left;
  position: relative;
  transition: .2s;
}
.price-card:hover { transform: translateY(-4px); }
.price-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-soft), var(--bg-card));
  box-shadow: var(--shadow-pop);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #FFFFFF;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.price-name { font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: 1.5px; text-transform: uppercase; }
.price-amount { font-size: 56px; font-weight: 800; margin: 8px 0 24px; letter-spacing: -2px; }
.price-amount small { font-size: 18px; font-weight: 600; color: var(--text-secondary); }
.price-card ul { list-style: none; padding: 0; margin: 0 0 28px; }
.price-card li { padding: 8px 0; color: var(--text-secondary); font-size: 15px; border-bottom: 1px dashed rgba(15,23,42,.08); }
.price-card li::before { content: '✓ '; color: var(--accent); font-weight: 800; }
.price-card .btn-primary { width: 100%; text-align: center; }

.faq-list { max-width: 820px; margin: 40px auto 0; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 24px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
  transition: .2s;
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  outline: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--accent); font-size: 24px; font-weight: 400; transition: transform .2s; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin: 14px 0 0; color: var(--text-secondary); font-size: 15px; }

.cta-final {
  text-align: center;
  padding: 100px 5%;
  background: radial-gradient(ellipse at center, var(--accent-soft), transparent 70%);
}
.cta-final h2 { font-size: 44px; font-weight: 800; margin: 0 0 14px; letter-spacing: -1px; }
.cta-final p { color: var(--text-secondary); font-size: 18px; margin: 0 0 30px; }

.footer {
  padding: 60px 5% 30px;
  background: #0F172A;
  border-top: 1px solid var(--border);
  color: #94A3B8;
}
.footer-cols { border-bottom-color: rgba(255,255,255,0.08); }
.footer-cols h5 { color: #F1F5F9 !important; }
.footer-cols a { color: #94A3B8 !important; }
.footer-cols {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-cols h5 { color: var(--text-primary); margin: 0 0 14px; font-size: 14px; letter-spacing: 1px; text-transform: uppercase; }
.footer-cols a { display: block; color: var(--text-secondary); text-decoration: none; padding: 4px 0; font-size: 14px; transition: .2s; }
.footer-cols a:hover { color: var(--accent); }
.footer-cols p { margin: 0; font-size: 14px; max-width: 300px; }
.footer-base { text-align: center; max-width: 1200px; margin: 30px auto 0; font-size: 13px; }
.footer-base a { color: var(--accent); text-decoration: none; }

@media (max-width: 860px) {
  .hero { flex-direction: column; padding: 60px 5% 80px; gap: 40px; }
  .hero-text h1 { font-size: 42px; }
  .hero-text p { font-size: 17px; }
  .features { padding: 60px 5%; }
  .features h2 { font-size: 30px; }
  .cta-final h2 { font-size: 32px; }
  .nav { gap: 14px; }
  .nav button { display: none; }
  .footer-cols { grid-template-columns: 1fr; gap: 30px; }
  .price-amount { font-size: 42px; }
}