:root {
  --bg: #1b1a17;
  --bg-alt: #25231f;
  --accent: #3f7d20;
  --accent-soft: #4f9a2a;
  --accent-dark: #2b5516;
  --text: #f5f3e9;
  --muted: #b0a89a;
  --card-bg: #2a2722;
  --border: #3a362f;
  --danger: #c0392b;
  --radius: 8px;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background: radial-gradient(circle at top, #2f3b22 0, #0f0e0b 55%, #050403 100%);
  color: var(--text);
}

/* Layout */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5vw;
  background: rgba(10, 9, 7, 0.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo-mark {
  font-size: 1.4rem;
}

.logo-text {
  text-transform: uppercase;
  font-size: 0.95rem;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
  font-size: 0.9rem;
}

.main-nav a:hover {
  color: var(--accent-soft);
}

.admin-link {
  border: 1px solid var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

main {
  padding: 2rem 5vw 4rem;
}

/* Hero */

.hero {
  min-height: 55vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 0.75rem;
}

.hero p {
  max-width: 560px;
}

.hero-price {
  margin-top: 1rem;
  color: var(--accent-soft);
}

/* Sections */

.section {
  margin-top: 3rem;
}

.section-alt {
  background: rgba(15, 14, 11, 0.8);
  margin: 3rem -5vw 0;
  padding: 3rem 5vw;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

/* Cards & Buttons */

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-dark));
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-soft), #63c132);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-soft);
  border: 1px solid var(--accent-soft);
}

.btn-secondary:hover {
  background: rgba(79, 154, 42, 0.1);
}

/* Forms */

.form-row {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #15130f;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: 1px solid var(--accent-soft);
}

.price-note {
  font-size: 0.9rem;
  color: var(--muted);
}

.form-message {
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.form-message.success {
  color: var(--accent-soft);
}

.form-message.error {
  color: var(--danger);
}

/* Gear */

.gear-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.gear-item h3 {
  margin-top: 0;
}

/* Lessons */

.lesson-list {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.lesson-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1rem;
  border: 1px solid var(--border);
}

.lesson-card h3 {
  margin-top: 0;
}

.lesson-type {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.muted {
  color: var(--muted);
}

/* Tables */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  text-align: left;
  color: var(--muted);
}

/* Code block */

.code-block {
  background: #11100d;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  overflow-x: auto;
}

/* Footer */

.site-footer {
  padding: 1.5rem 5vw;
  border-top: 1px solid var(--border);
  background: rgba(10, 9, 7, 0.95);
  font-size: 0.85rem;
  color: var(--muted);
}

/* Admin */

.admin-body {
  background: radial-gradient(circle at top, #2f3b22 0, #050403 60%, #020201 100%);
}

.admin-main {
  padding-bottom: 5rem;
}

.admin-header {
  border-bottom-color: var(--accent-dark);
}

/* Responsive */

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .main-nav a {
    margin-left: 0;
    margin-right: 0.75rem;
  }

  .hero h1 {
    font-size: 2rem;
  }
}