* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

:root {
  --bg: #0b0f14;
  --bg-soft: #10161d;
  --card: #161c24;
  --card-soft: #1b2430;
  --text: #e6edf6;
  --muted: #a5afbf;
  --accent: #33d6a6;
  --accent-2: #ff6b9a;
  --border: rgba(255, 255, 255, 0.08);
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 15% 20%, rgba(51, 214, 166, 0.12), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(255, 107, 154, 0.08), transparent 40%),
    linear-gradient(180deg, #0a0f14 0%, #0f141b 50%, #0b0f14 100%);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
}

/* HEADER */
header {
  background: linear-gradient(135deg, #0f1520, #0a0f14);
  color: var(--text);
  padding: 30px 20px;
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

/* SECTION */
section {
  max-width: 1200px;
  margin: 48px auto;
  padding: 0 20px;
  width: 100%;
}

section h2 {
  text-align: center;
  font-size: 1.9rem;
  color: var(--text);
  margin-bottom: 20px;
}

.protocol-group {
  margin-bottom: 34px;
}

.group-title {
  text-align: center;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.group-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 24px;
}

.gate-progress {
  text-align: center;
  color: #a9f3df;
  font-size: 0.92rem;
  margin-bottom: 18px;
}

/* HOW IT WORKS */
.how-it-works {
  margin-top: 36px;
}

.how-header {
  text-align: center;
  margin-bottom: 28px;
}

.how-header .eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.how-header p {
  color: var(--muted);
  max-width: 720px;
  margin: 12px auto 0;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.how-card {
  background: var(--card);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 22px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.how-card .step {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #0b0f14;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.how-card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
  color: var(--text);
}

.how-card p {
  color: var(--muted);
}

/* CARDS */
.cards,
.menopausa-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  justify-items: center;
}

.articular-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  justify-items: center;
}

.track-card {
  background: #0f1722;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.4);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-width: 320px;
  min-height: 560px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.track-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 36px rgba(0, 0, 0, 0.5);
  border-color: rgba(51, 214, 166, 0.35);
}

.track-hero {
  padding: 0;
}

.track-image {
  width: 100%;
  margin: 0;
  border-top: 0;
  border-bottom: 1px solid var(--border);
}

.track-image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.track-content {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #0f1722;
  height: 100%;
}

.track-content h5 {
  color: #38e0b2;
  font-size: 1.05rem;
}

.track-content p {
  color: var(--muted);
  line-height: 1.5;
  flex-grow: 1;
}

.gate-note {
  min-height: 20px;
  font-size: 0.82rem;
  color: #9cc8ff;
}

.track-card.is-locked {
  border-color: rgba(255, 124, 124, 0.35);
}

.track-card.is-locked .btn {
  background: linear-gradient(135deg, #7b8797, #667486);
  color: #e9eef6;
}

.bonus-section {
  margin-top: 28px;
}

.bonus-title {
  text-align: center;
  color: #8beed3;
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.bonus-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 22px;
}

.bonus-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  justify-items: center;
}

.bonus-card {
  min-height: 0;
  max-width: 320px;
}

.bonus-card img {
  object-position: center 15%;
}

.bonus-card .card-content p {
  flex-grow: 1;
}

.card {
  background: var(--card);
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.4);
  max-width: 320px;
  min-height: 560px;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 36px rgba(0, 0, 0, 0.5);
  border-color: rgba(51, 214, 166, 0.35);
}

.card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.card-content {
  padding: 22px;
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 12px;
}

.card-content h3 {
  color: var(--accent);
}

.card-content p {
  flex-grow: 1;
  color: var(--muted);
  line-height: 1.5;
}

.protocol-summary {
  flex-grow: 0;
}

.protocol-note {
  flex-grow: 0;
  padding: 10px 12px;
  border: 1px solid rgba(51, 214, 166, 0.28);
  border-radius: 10px;
  background: rgba(51, 214, 166, 0.08);
}

.protocol-list {
  margin: 2px 0 8px 16px;
  color: var(--muted);
  line-height: 1.5;
  display: grid;
  gap: 8px;
}

.protocol-list strong {
  color: #d8e2f0;
}

/* BUTTON */
.btn {
  padding: 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, #33d6a6, #1fb185);
  color: #0b0f14;
  text-align: center;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* MENOPAUSA */
.menopausa-section {
  margin-top: 80px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  padding-top: 40px;
}

.menopausa-section h2 {
  color: var(--accent-2);
}

.menopausa-subtitle {
  text-align: center;
  margin-bottom: 40px;
  color: var(--muted);
}

.menopausa-section .card-content h3 {
  color: var(--accent-2);
}

.menopausa-section .btn {
  background: linear-gradient(135deg, #ff85ab, #ff5d95);
  color: #2a0a18;
}

/* FOOTER */
footer {
  margin-top: auto;
  background: #090c10;
  color: var(--muted);
  text-align: center;
  padding: 18px;
  border-top: 1px solid var(--border);
}