:root {
  --green: #22c55e;
  --green-light: #4ade80;
  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --bg: #0a0f1a;
  --surface: #111827;
  --surface-2: #1e293b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: rgba(255,255,255,0.08);
  --max-w: 1140px;
}

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

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

a { color: var(--green-light); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ========== NAV ========== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,26,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
}
.nav-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  overflow: hidden;
}
.nav-icon img {
  width: 100%;
  height: 100%;
  display: block;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { color: var(--text-muted); font-size: 14px; font-weight: 600; }
.nav-links a:hover { color: #fff; text-decoration: none; }
.nav-links a.nav-active { color: #fff; }
.nav-cta {
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
}
.nav-cta:hover { opacity: 0.9; text-decoration: none !important; }

/* ========== HAMBURGER ========== */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text);
}
.nav-hamburger svg { display: block; }
@media (max-width: 980px) {
  .nav-hamburger { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10,15,26,0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 16px; }
  .nav-cta { text-align: center; }
}

/* ========== SKIP NAV ========== */
.skip-nav {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--green);
  color: #000;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  z-index: 200;
  transition: top 0.2s;
}
.skip-nav:focus { top: 8px; }

/* ========== HERO ========== */
.hero {
  padding: 120px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(34,197,94,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  color: var(--green-light);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 40px;
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero-badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 24px;
  position: relative;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--green), var(--green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 80%;
  margin: 0 auto 48px;
  line-height: 1.6;
}
.hero-sub strong { color: var(--text); }
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.9; text-decoration: none; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 14px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.2); text-decoration: none; }

/* ========== APP SCREENSHOT ========== */
.screenshot-section {
  padding: 0 0 88px;
  text-align: center;
  position: relative;
}
.screenshot-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: -80px;
  width: min(960px, 90vw);
  height: 360px;
  background: radial-gradient(circle, rgba(59,130,246,0.14) 0%, rgba(34,197,94,0.08) 38%, transparent 72%);
  transform: translateX(-50%);
  pointer-events: none;
}
.screenshot-intro {
  position: relative;
  max-width: 760px;
  margin: 0 auto 34px;
}
.screenshot-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.screenshot-copy {
  max-width: 680px;
  margin: 0 auto 20px;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.6;
}
.screenshot-proof {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.screenshot-proof span {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
}
.screenshot-wrap {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.34);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.9) inset,
    0 48px 110px rgba(0,0,0,0.54),
    0 14px 44px rgba(0,0,0,0.24);
  background: linear-gradient(180deg, #ffffff, #eef2f6);
}
.screenshot-stage {
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 18px 42px rgba(15,23,42,0.16);
}
.screenshot-carousel {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 20px;
  background: #fff;
}
.screenshot-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  opacity: 0;
  transform: scale(1.01);
  transition: opacity 0.7s ease, transform 1.2s ease;
}
.screenshot-slide.is-active {
  opacity: 1;
  transform: scale(1);
}
.screenshot-caption {
  max-width: 780px;
  margin: 0 auto;
  color: #e6edf7;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
}
.screenshot-controls {
  display: grid;
  gap: 14px;
  justify-items: center;
  margin-top: 12px;
  padding: 18px 20px 16px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 0%, rgba(34,197,94,0.16), transparent 58%),
    #0b1220;
  border: 1px solid rgba(15,23,42,0.1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}
.screenshot-dots {
  display: flex;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.14);
}
.screenshot-dots button {
  width: 8px;
  height: 8px;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: rgba(226,232,240,0.42);
  cursor: pointer;
  transition: width 0.2s ease, background 0.2s ease;
}
.screenshot-dots button.is-active {
  width: 24px;
  background: linear-gradient(90deg, var(--green), var(--blue));
}

/* ========== SECTION COMMON ========== */
section { padding: 100px 0; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-light);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.6;
}

/* ========== FEATURES GRID ========== */
.features { border-top: 1px solid var(--border); }
.features-head { text-align: center; margin-bottom: 64px; }
.features-head .section-desc { margin: 0 auto; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.fi-green { background: rgba(34,197,94,0.12); }
.fi-blue { background: rgba(59,130,246,0.12); }
.fi-purple { background: rgba(139,92,246,0.12); }
.fi-orange { background: rgba(251,146,60,0.12); }
.fi-pink { background: rgba(236,72,153,0.12); }
.fi-cyan { background: rgba(6,182,212,0.12); }
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========== HOW IT WORKS ========== */
.how-it-works { border-top: 1px solid var(--border); }
.how-head { text-align: center; margin-bottom: 64px; }
.how-head .section-desc { margin: 0 auto; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step {
  text-align: center;
  padding: 40px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  margin: 0 auto 20px;
}
.sn-1 { background: rgba(34,197,94,0.12); color: var(--green-light); }
.sn-2 { background: rgba(59,130,246,0.12); color: var(--blue-light); }
.sn-3 { background: rgba(139,92,246,0.12); color: #a78bfa; }
.step h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 15px; color: var(--text-muted); line-height: 1.6; }

/* ========== AI SECTION ========== */
.ai-section { border-top: 1px solid var(--border); }
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ai-content .section-desc { margin-bottom: 32px; }
.ai-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.ai-tool {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}
.ai-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
}
.ai-flow {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.ai-flow-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.ai-flow-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.ai-flow-step .label { font-weight: 600; font-size: 15px; }
.ai-flow-arrow {
  text-align: center;
  color: var(--text-dim);
  font-size: 20px;
}

/* ========== TOPIC CLUSTERS ========== */
.topic-section { border-top: 1px solid var(--border); }
.topic-head { text-align: center; margin-bottom: 48px; }
.topic-head .section-desc { margin: 0 auto; max-width: 760px; }
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.topic-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  color: var(--text);
}
.topic-card:hover {
  border-color: rgba(74,222,128,0.35);
  text-decoration: none;
}
.topic-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 8px;
}
.topic-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ========== COMPARISON ========== */
.comparison { border-top: 1px solid var(--border); }
.compare-head { text-align: center; margin-bottom: 64px; }
.compare-head .section-desc { margin: 0 auto; }
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.compare-table th,
.compare-table td {
  padding: 18px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.compare-table th {
  background: rgba(255,255,255,0.03);
  font-weight: 700;
  color: var(--text);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.compare-table th.pushpullit-col {
  color: var(--green-light);
  background: rgba(34,197,94,0.06);
}
.compare-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text);
}
.compare-table td { color: var(--text-muted); }
.compare-table tr:last-child td { border-bottom: none; }
.check { color: var(--green-light); font-weight: 700; }
.cross { color: #475569; }

/* ========== PRIVACY ========== */
.privacy-section { border-top: 1px solid var(--border); }
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.privacy-card {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 28px;
}
.privacy-icon { font-size: 40px; margin-bottom: 16px; }
.privacy-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.privacy-card p { font-size: 14px; color: var(--text-muted); }

/* ========== FAQ ========== */
.faq-section { border-top: 1px solid var(--border); }
.faq-head { text-align: center; margin-bottom: 48px; }
.faq-head .section-desc { margin: 0 auto; max-width: 720px; }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.faq-item h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
}
.faq-item p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}
.faq-item strong { color: var(--text); }

/* ========== PRICING ========== */
.pricing { border-top: 1px solid var(--border); }
.pricing-head { text-align: center; margin-bottom: 64px; }
.pricing-head .section-desc { margin: 0 auto; }
.pricing-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 760px;
  margin: 0 auto;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
}
.price-card.pro {
  border-color: var(--green);
  position: relative;
}
.pro-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.price-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.price-amount {
  font-size: 48px;
  font-weight: 900;
  margin-bottom: 8px;
}
.price-amount .currency { font-size: 24px; color: var(--text-muted); }
.price-period { font-size: 14px; color: var(--text-dim); margin-bottom: 24px; }
.price-features { list-style: none; }
.price-features li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-features li::before { content: '✓'; color: var(--green-light); font-weight: 700; }

/* ========== CTA ========== */
.final-cta {
  padding: 120px 0;
  text-align: center;
  position: relative;
}
.final-cta::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, rgba(34,197,94,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.final-cta h2 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.final-cta p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.updated-note {
  font-size: 13px !important;
  color: var(--text-dim) !important;
  margin-top: -24px;
  margin-bottom: 32px !important;
}

/* ========== FOOTER ========== */
footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-about p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 12px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--text-dim);
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--green-light); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-dim);
}
.footer-legal {
  font-size: 11px !important;
  color: var(--text-dim);
  opacity: 0.8;
  margin-top: 4px;
}
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 8px;
}
.footer-badge svg { opacity: 0.5; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .steps { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; }
  .screenshot-intro { margin-bottom: 24px; }
  .screenshot-copy { font-size: 16px; }
  .screenshot-wrap { padding: 6px 6px 16px; border-radius: 18px; }
  .screenshot-stage { border-radius: 13px; }
  .screenshot-carousel { border-radius: 13px; }
  .screenshot-controls { padding: 14px 10px 0; }
  .screenshot-caption {
    font-size: 13px;
  }
  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 12px 10px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}