:root {
  --bg: #0c0a09;
  --text: #f7f5f2;
  --muted: #cbbfb6;
  --accent: #f2a65a; /* amber */
  --accent-strong: #d47f2a;
  --wood-1: #1a0f0a; /* deep brown */
  --wood-2: #5a2f15; /* mahogany */
  --wood-3: #b3541e; /* warm maple */
  --surface: #131110;
  --card: #171312;
  --ring: rgba(242, 166, 90, 0.35);
  --ok: #1db954;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  line-height: 1.6;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(8px);
  background: linear-gradient(to bottom, rgba(12,10,9,0.85), rgba(12,10,9,0.55));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: conic-gradient(from 220deg at 50% 50%, var(--wood-1), var(--wood-2), var(--wood-3), var(--accent), var(--wood-2), var(--wood-1));
  box-shadow: 0 0 0 2px rgba(255,255,255,0.04), 0 6px 18px rgba(0,0,0,0.45) inset;
}
.brand-name {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.nav-link:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 600;
  text-decoration: none;
  color: var(--bg);
  background: var(--accent);
  box-shadow: 0 10px 24px rgba(242,166,90,0.25), 0 1px 0 rgba(255,255,255,0.08) inset;
  transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(242,166,90,0.3), 0 1px 0 rgba(255,255,255,0.1) inset;
}
.btn:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.14);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.05);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); }
.btn-primary { background: linear-gradient(180deg, var(--accent), var(--accent-strong)); color: #140b05; }
.btn-primary:hover { background: var(--accent-strong); transform: scale(1.05) translateY(-1px); }
.btn-primary {
  animation: ctaPulse 2.8s ease-in-out infinite;
  will-change: transform, box-shadow;
}
@keyframes ctaPulse {
  0%, 100% { transform: translateY(0); box-shadow: 0 10px 24px rgba(242,166,90,0.25), 0 1px 0 rgba(255,255,255,0.08) inset; }
  50% { transform: translateY(-1px) scale(1.03); box-shadow: 0 14px 28px rgba(242,166,90,0.32), 0 1px 0 rgba(255,255,255,0.1) inset; }
}
.btn-lg { padding: 14px 22px; font-size: 1.05rem; }
.btn-sm { padding: 8px 12px; font-size: 0.9rem; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 380px at 70% 20%, rgba(242,166,90,0.15), transparent 70%),
    radial-gradient(900px 480px at 30% 0%, rgba(179,84,30,0.18), transparent 70%),
    linear-gradient(180deg, #0b0908, #0f0c0a 30%, #120e0c 60%, #0c0a09 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 420px at 30% 50%, rgba(0,0,0,0.45), rgba(0,0,0,0.25) 40%, transparent 65%),
    radial-gradient(1200px 400px at 80% 10%, rgba(255, 196, 120, 0.18), transparent 60%),
    radial-gradient(800px 500px at 10% 20%, rgba(210, 130, 60, 0.12), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  padding: 64px 20px 40px;
}
.hero-content {
  padding: 24px 0 48px;
}
.rating-badge {
  display: inline-block;
  font-weight: 700;
  letter-spacing: .2px;
  color: #fff;
  background: rgba(255,255,255,0.06);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 14px;
}
.hero-title {
  font-family: "Bitter", Georgia, serif;
  font-size: clamp(2rem, 2.7vw, 3.2rem);
  line-height: 1.15;
  margin: 8px 0 12px;
  letter-spacing: .2px;
  text-shadow: 0 1px 0 rgba(0,0,0,0.35);
}
.hero-subtitle {
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 18px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin: 4px 0 16px; }
.trust-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 680px;
}
.badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  color: var(--muted);
}
.badge .icon { filter: saturate(110%); }

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 340px;
}
.hero-image {
  width: 100%;
  border-radius: 16px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
}
.sunburst {
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #f6c38f 0%, #f2a65a 22%, #b3541e 52%, #29150d 78%, rgba(0,0,0,0) 80%);
  box-shadow: 0 0 120px rgba(242,166,90,0.15), inset 0 0 60px rgba(255,255,255,0.06);
}
.strings {
  position: absolute;
  width: 6px;
  height: 420px;
  background: linear-gradient(180deg, #e9e4db, #c2b9ad);
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 120px 0 0 0 rgba(255,255,255,0.35),
              -120px 0 0 0 rgba(255,255,255,0.35),
              60px 0 0 0 rgba(255,255,255,0.25),
              -60px 0 0 0 rgba(255,255,255,0.25);
  opacity: .85;
}

/* Sections */
.section {
  padding: 80px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.section-header {
  margin-bottom: 22px;
}
.section h2 {
  font-family: "Bitter", Georgia, serif;
  margin: 0 0 6px;
  letter-spacing: .2px;
}
.section p {
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.grid a.card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.22);
  transition: transform .12s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.grid a.card strong {
  font-weight: 600;
  letter-spacing: 0.2px;
}
.grid a.card::after {
  content: "→";
  color: var(--accent);
  transition: transform .12s ease, color .2s ease;
}
.grid a.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.28);
  border-color: var(--ring);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
}
.grid a.card:hover::after { transform: translateX(3px); color: var(--accent-strong); }
.grid a.card:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-color: var(--ring);
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); }

/* Price */
/* Compare table */
.table-compare {
  width: 100%;
  border-collapse: collapse;
  color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border-radius: 14px;
  overflow: hidden;
}
.table-compare thead th {
  text-align: left;
  padding: 14px 16px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.table-compare tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.table-compare tbody tr:nth-child(even) td {
  background: rgba(255,255,255,0.03);
}
.table-compare tbody tr:hover td {
  background: rgba(255,255,255,0.03);
}
.table-compare th:first-child, .table-compare td:first-child {
  border-left: 3px solid var(--accent);
}
.price-section {
  background:
    radial-gradient(600px 260px at 10% 10%, rgba(242,166,90,0.12), transparent 60%),
    radial-gradient(600px 260px at 90% 0%, rgba(179,84,30,0.14), transparent 60%);
}
.price-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}
.price { display: flex; align-items: baseline; gap: 6px; }
.price-currency { color: var(--muted); }
.price-value {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: .4px;
}
.installments { color: var(--muted); }
.installments .muted { opacity: .8; }

.cta-center {
  margin-top: 20px;
  display: flex;
  justify-content: center;
}

/* Accordion */
.accordion details {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.012));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .2s ease, background .2s ease;
}
.accordion details[open] {
  border-left: 3px solid var(--accent);
}
.accordion summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { font-weight: 600; }
.accordion details[open] summary { border-bottom: 1px solid rgba(255,255,255,0.06); }
.accordion details[open] summary, .accordion details[open] summary span { color: var(--accent); }
.lesson-list {
  margin: 0;
  padding: 12px 22px 16px;
  color: var(--muted);
  background: var(--surface);
  border-top: 1px solid rgba(255,255,255,0.06);
  animation: accordionOpen .22s ease-out;
}
.lesson-list li { margin: 6px 0; }
@keyframes accordionOpen {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Trust seals */
.badge-trust {
  position: relative;
  background: radial-gradient(circle at 50% 40%, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid rgba(242,166,90,0.35);
  box-shadow: 0 0 0 2px rgba(242,166,90,0.12) inset, 0 6px 18px rgba(0,0,0,0.25);
  text-transform: none;
}
.badge-trust .icon { filter: saturate(120%); }

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(180deg, #0c0a09, #0c0a09 60%, #0a0908);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
  padding: 28px 0 18px;
}
.footer-note { color: var(--muted); margin: 10px 0 0; }
.footer-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-trust { display: flex; gap: 12px; color: var(--muted); flex-wrap: wrap; }
.footer-bottom { padding: 12px 0 26px; color: var(--muted); }
.brand-footer .brand-name { color: var(--text); }

/* Helpers */
.muted { color: var(--muted); }
.highlight-tech { color: var(--accent); font-weight: 600; padding: 2px 4px; border-radius: 4px; }

/* Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

/* Results */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.result-card {
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  border: 1px dashed rgba(255,255,255,0.12);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.012)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.04), rgba(255,255,255,0.04) 10px, transparent 10px, transparent 20px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 22px; padding-top: 40px; }
  .hero-art { order: -1; min-height: 260px; }
  .sunburst { width: 320px; height: 320px; }
  .strings { height: 320px; box-shadow: 90px 0 0 0 rgba(255,255,255,0.35), -90px 0 0 0 rgba(255,255,255,0.35), 45px 0 0 0 rgba(255,255,255,0.25), -45px 0 0 0 rgba(255,255,255,0.25); }
  .trust-badges { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .price-card { flex-direction: column; align-items: flex-start; }
  .section { padding: 56px 0; }
}

/* Difficulty bars */
.difficulty { margin-top: 10px; }
.difficulty-bar {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.35);
}
.difficulty-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 8px var(--ring);
}

/* Gloss highlight for high-gloss cards */
.gloss-highlight {
  position: relative;
}
.gloss-highlight::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 28%;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.02));
  pointer-events: none;
}