/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #1a1a1a;
  --surface: #1e1e1e;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --text2: #999;
  --accent: #FF4500;
  --accent-glow: rgba(255, 69, 0, 0.15);
  --accent-hover: #ff5a1a;
  --green: #22c55e;
  --radius: 12px;
  --radius-lg: 20px;
}

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;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 720px; }

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-hover); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: none; cursor: pointer; transition: all .2s;
  background: var(--accent); color: #fff; text-decoration: none;
}
.btn:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 30px var(--accent-glow); }
.btn:active { transform: translateY(0); }
.btn-lg { padding: 16px 36px; font-size: 17px; border-radius: 12px; }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }

/* ── Nav ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,10,.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; color: var(--text); text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text2); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: #fff; }

/* ── Hero ── */
.hero {
  padding: 160px 0 100px; text-align: center;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-glow), transparent);
}
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 13px; color: var(--text2); margin-bottom: 28px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.02em; }
.accent { color: var(--accent); }
.hero-sub { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text2); max-width: 540px; margin: 0 auto 36px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.hero-proof { display: flex; align-items: center; gap: 14px; justify-content: center; font-size: 14px; color: var(--text2); }
.avatars { display: flex; }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--surface); border: 2px solid var(--bg);
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; color: var(--accent);
  margin-left: -8px;
}
.avatar:first-child { margin-left: 0; }

/* ── Sections ── */
.section { padding: 100px 0; }
.section-dark { background: var(--bg2); }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; text-align: center; margin-bottom: 12px; letter-spacing: -0.02em; }
.section-sub { text-align: center; color: var(--text2); font-size: 1.05rem; max-width: 520px; margin: 0 auto 56px; }

/* ── Features ── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; transition: border-color .2s, transform .2s;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-icon { font-size: 28px; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text2); font-size: .95rem; line-height: 1.55; }

/* ── Wizard ── */
.wizard { max-width: 680px; margin: 0 auto; }
.wizard-steps { display: flex; gap: 4px; margin-bottom: 40px; }
.wizard-step {
  flex: 1; text-align: center; padding: 14px 0; font-size: 14px; font-weight: 600; color: var(--text2);
  border-bottom: 3px solid var(--border); transition: all .3s;
}
.wizard-step.active { color: var(--accent); border-color: var(--accent); }
.wizard-step.done { color: var(--green); border-color: var(--green); }
.wizard-step span { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; background: var(--border); font-size: 12px; margin-right: 6px; }
.wizard-step.active span { background: var(--accent); color: #fff; }
.wizard-step.done span { background: var(--green); color: #fff; }

.wizard-panel { display: none; animation: fadeIn .3s; }
.wizard-panel.active { display: block; }
.wizard-panel h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 24px; text-align: center; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Option cards */
.option-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 32px; }
.option-card { cursor: pointer; }
.option-card input { display: none; }
.option-inner {
  position: relative; padding: 24px 20px; border-radius: var(--radius); border: 2px solid var(--border);
  background: var(--surface); transition: all .2s; text-align: center;
}
.option-card input:checked + .option-inner { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 4px 24px var(--accent-glow); }
.option-card:not(.disabled):hover .option-inner { border-color: #444; }
.option-card.disabled { opacity: .45; cursor: not-allowed; }
.option-icon { font-size: 32px; margin-bottom: 10px; }
.option-inner strong { display: block; font-size: 1rem; margin-bottom: 6px; }
.option-inner span { display: block; font-size: .82rem; color: var(--text2); line-height: 1.4; }
.option-badge { position: absolute; top: -10px; right: 12px; padding: 3px 10px; border-radius: 100px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.option-badge.best { background: var(--accent); color: #fff; }
.option-badge.soon { background: var(--border); color: var(--text2); }

/* Plans */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 32px; }
.plan-card { cursor: pointer; }
.plan-card input { display: none; }
.plan-inner {
  position: relative; padding: 28px 20px; border-radius: var(--radius); border: 2px solid var(--border);
  background: var(--surface); transition: all .2s; text-align: center;
}
.plan-card input:checked + .plan-inner { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 4px 24px var(--accent-glow); }
.plan-card:hover .plan-inner { border-color: #444; }
.plan-card.popular .plan-inner { border-color: var(--accent); }
.plan-inner strong { display: block; font-size: 1.1rem; margin-bottom: 8px; }
.plan-price { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
.plan-price span { font-size: .9rem; font-weight: 500; color: var(--text2); }
.plan-inner ul { list-style: none; text-align: left; }
.plan-inner li { padding: 5px 0; font-size: .88rem; color: var(--text2); }
.plan-inner li::before { content: '✓ '; color: var(--green); font-weight: 700; }

/* Form */
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 8px; }
.form-group input {
  width: 100%; padding: 14px 16px; border-radius: 10px; border: 2px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 15px; font-family: inherit;
  transition: border-color .2s;
}
.form-group input:focus { outline: none; border-color: var(--accent); }
.form-group input::placeholder { color: #555; }

.wizard-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; }

/* ── Testimonials ── */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.testimonial-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px;
}
.testimonial-stars { color: #fbbf24; font-size: 16px; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card p { font-size: .95rem; line-height: 1.6; color: var(--text2); margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author .avatar { margin-left: 0; width: 40px; height: 40px; font-size: 15px; }
.testimonial-author strong { display: block; font-size: .9rem; }
.testimonial-author span { font-size: .8rem; color: var(--text2); }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: border-color .2s;
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  padding: 20px 24px; font-weight: 600; font-size: .95rem; cursor: pointer;
  list-style: none; display: flex; align-items: center; justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--text2); transition: transform .2s; }
.faq-item[open] summary::after { content: '−'; color: var(--accent); }
.faq-item p { padding: 0 24px 20px; color: var(--text2); font-size: .92rem; line-height: 1.6; }

/* ── CTA ── */
.cta-section {
  text-align: center;
  background: radial-gradient(ellipse 60% 60% at 50% 100%, var(--accent-glow), transparent);
}
.cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
.cta-section p { color: var(--text2); font-size: 1.05rem; margin-bottom: 32px; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); padding: 60px 0 30px; }
.footer-inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; margin-bottom: 40px; }
.footer-brand p { color: var(--text2); font-size: .9rem; margin-top: 8px; }
.footer-links { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-links h4 { font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text2); margin-bottom: 12px; }
.footer-links a { display: block; color: var(--text2); font-size: .9rem; padding: 3px 0; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: .82rem; color: #555; }

/* ── Mobile ── */
@media (max-width: 640px) {
  .hero { padding: 120px 0 70px; }
  .hero h1 br { display: none; }
  .section { padding: 70px 0; }
  .nav-links a:not(.btn) { display: none; }
  .option-grid, .plans-grid { grid-template-columns: 1fr; }
  .features-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .footer-links { gap: 32px; }
  .hero-proof { flex-direction: column; }
}

/* ── Loading spinner for checkout ── */
.btn.loading { pointer-events: none; position: relative; color: transparent; }
.btn.loading::after {
  content: ''; position: absolute; width: 20px; height: 20px;
  border: 3px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }