/* ============================================================
   SITEBUILD.APP — Global Styles
   ============================================================ */

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

/* --- Variables --- */
:root {
  --bg:           #0A0F1E;
  --bg-card:      #111827;
  --bg-card-2:    #161f30;
  --text:         #FFFFFF;
  --text-muted:   #8B9CB0;
  --accent:       #4F8EF7;
  --accent-hover: #3a7ae8;
  --border:       rgba(255, 255, 255, 0.08);
  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    16px;
  --max-width:    1100px;
  --nav-height:   64px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 96px 0; }

/* --- Typography --- */
h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { color: var(--text-muted); font-size: 1.05rem; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(79, 142, 247, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* --- Section headings utility --- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-heading {
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.1rem;
  max-width: 580px;
  margin-bottom: 56px;
}
.centered { text-align: center; }
.centered .section-sub { margin-left: auto; margin-right: auto; }

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav .container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 120px 0 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(79, 142, 247, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79, 142, 247, 0.1);
  border: 1px solid rgba(79, 142, 247, 0.25);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
}
.hero h1 { margin-bottom: 20px; }
.hero-sub {
  font-size: 1.2rem;
  max-width: 520px;
  margin: 0 auto 48px;
  color: var(--text-muted);
}
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.appstore-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: var(--bg);
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}
.appstore-btn:hover {
  background: #e5e5e5;
  transform: translateY(-1px);
}
.appstore-btn svg { flex-shrink: 0; }
.browser-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.browser-link:hover { color: var(--text); }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.66% + 12px);
  right: calc(16.66% + 12px);
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
}
.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(79, 142, 247, 0.12);
  border: 1px solid rgba(79, 142, 247, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}
.step h3 { margin-bottom: 8px; }
.step p { font-size: 0.95rem; }

/* ============================================================
   WHAT'S INCLUDED
   ============================================================ */
.included-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.included-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}
.included-item:hover { border-color: rgba(79, 142, 247, 0.3); }
.included-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(79, 142, 247, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.included-item h3 { margin-bottom: 4px; font-size: 1rem; }
.included-item p { font-size: 0.9rem; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing-section { background: var(--bg-card-2); }
.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid rgba(79, 142, 247, 0.3);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  box-shadow: 0 0 60px rgba(79, 142, 247, 0.08);
}
.pricing-badge {
  display: inline-block;
  background: rgba(79, 142, 247, 0.15);
  border: 1px solid rgba(79, 142, 247, 0.3);
  border-radius: 100px;
  padding: 4px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.pricing-old {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-bottom: 4px;
}
.pricing-price {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}
.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.pricing-features {
  text-align: left;
  margin-bottom: 36px;
}
.pricing-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.pricing-feature:last-child { border-bottom: none; }
.check-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(79, 142, 247, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.pricing-card .btn { width: 100%; justify-content: center; }

/* ============================================================
   SAMPLE WEBSITES
   ============================================================ */
.samples-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sample-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  text-decoration: none;
  display: block;
  background: var(--surface);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.sample-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79,142,247,0.3);
  box-shadow: 0 12px 36px rgba(0,0,0,0.4);
}
.sample-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform .4s;
}
.sample-card:hover img { transform: scale(1.04); }
.sample-card-body {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sample-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(79,142,247,.1);
  border: 1px solid rgba(79,142,247,.2);
  padding: 3px 10px;
  border-radius: 50px;
  white-space: nowrap;
}
.sample-card-body strong {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.btn-ghost-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(79,142,247,.3);
  padding: 12px 28px;
  border-radius: 8px;
  display: inline-block;
  transition: all .2s;
}
.btn-ghost-link:hover {
  background: rgba(79,142,247,.08);
  border-color: var(--accent);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  padding: 24px 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform 0.3s ease;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}
.faq-icon::before { width: 12px; height: 2px; top: 9px; left: 4px; }
.faq-icon::after  { width: 2px; height: 12px; top: 4px; left: 9px; transition: transform 0.3s ease; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.faq-answer p {
  padding-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { font-size: 0.85rem; color: var(--text-muted); }
.footer-links { display: flex; align-items: center; gap: 24px; }
.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-page { padding: 80px 0; }
.legal-page h1 { font-size: 2rem; margin-bottom: 8px; }
.legal-page .legal-date { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 48px; }
.legal-content h2 { font-size: 1.2rem; margin-top: 40px; margin-bottom: 12px; }
.legal-content p { margin-bottom: 16px; line-height: 1.75; }
.legal-content ul { padding-left: 20px; margin-bottom: 16px; }
.legal-content ul li { color: var(--text-muted); margin-bottom: 8px; font-size: 1.05rem; list-style: disc; }
.legal-content a { color: var(--accent); text-decoration: underline; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .included-grid { grid-template-columns: 1fr; }
  .pricing-card { padding: 36px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .samples-grid { grid-template-columns: 1fr 1fr; }
}