/* The Uncharted Club — compiled CSS (SCSS-friendly structure) */
:root {
  --bg: #000000;
  --text-primary: #f5f5f5;
  --text-secondary: #b6b6b6;
  --border: #1e1e1e;
  --surface: #0a0a0a;
  --hover: rgba(255, 255, 255, 0.08);
  --font-primary: "Poppins", "Inter", system-ui, -apple-system, sans-serif;
  --space-lg: clamp(2.75rem, 6vw, 5.5rem);
  --space-block: clamp(2.75rem, 8vh, 6rem);
  --radius: 16px;
  --easing: cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-soft: 0 12px 48px rgba(0, 0, 0, 0.45);
  --glass-bg: rgba(255, 255, 255, 0.08);
  --link-underline: rgba(255, 255, 255, 0.25);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-primary);
  font-size: clamp(0.95rem, 0.4vw + 0.9rem, 1.05rem);
  background: var(--bg);
  color: var(--text-primary);
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-primary); text-decoration: none; }
a:hover { color: var(--text-primary); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.75);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  column-gap: clamp(1rem, 4vw, 2.5rem);
  row-gap: 0.75rem;
  padding-left: clamp(1rem, 4vw, 1.5rem);
  padding-right: clamp(1rem, 4vw, 1.5rem);
}

.brand {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.tab-nav {
  display: inline-flex;
  gap: clamp(0.75rem, 5vw, 1.8rem);
}

.tab-link {
  position: relative;
  padding: 0.35rem 0;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: none;
  background: none;
  color: var(--text-primary);
  cursor: pointer;
}

.tab-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--link-underline);
  transition: width 180ms var(--easing);
}
.tab-link:hover::after { width: 100%; }
.tab-link.active::after { width: 100%; height: 2px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel[hidden] { display: none !important; }

main { min-height: 100vh; }
.section {
  padding: var(--space-block) 0;
}

.hero {
  min-height: 100vh;
  padding: var(--space-block) 0;
}

.page-hero {
  padding: calc(var(--space-lg) * 0.8) 0 var(--space-lg);
}

.section-tight { padding: calc(var(--space-lg) * 0.75) 0; }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

h1, h2, h3, h4 { letter-spacing: 0.04em; line-height: 1.2; }

h1.display-4, h1 {
  font-size: clamp(1.9rem, 3vw + 1.4rem, 3.05rem);
}

h2, .h2 { font-size: clamp(1.75rem, 2.2vw + 1.2rem, 2.4rem); }
h3, .h3 { font-size: clamp(1.4rem, 1.6vw + 1.05rem, 1.8rem); }
h4, .h4 { font-size: clamp(1.2rem, 1.1vw + 1rem, 1.5rem); }
p, .lead, .muted { max-width: 70ch; margin-left: auto; margin-right: auto; }

.glassy-text {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 14px;
}

.glassy-chip {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-right: 0.6rem;
}

.subtitle {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.lead {
  font-weight: 300;
}

.muted { color: var(--text-secondary); }
.small { font-size: 0.85rem; }

.cta-row .btn {
  border-radius: 999px;
  padding: clamp(0.6rem, 1vw, 0.85rem) clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: transform 200ms var(--easing), background-color 200ms var(--easing), opacity 200ms var(--easing);
  min-width: clamp(8.5rem, 40vw, 12rem);
}

.btn.ghost {
  background: var(--text-primary);
  color: #000;
  border: 1px solid var(--text-primary);
}

.btn.ghost:hover { opacity: 0.9; transform: translateY(-2px); }

.btn.outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn.outline:hover { background: var(--hover); transform: translateY(-2px); }

.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: clamp(0.85rem, 1.8vw, 1.15rem) clamp(1rem, 2.5vw, 1.35rem);
  text-align: center;
  font-weight: 400;
  letter-spacing: 0.02em;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: transform 240ms var(--easing), opacity 240ms var(--easing);
}

.interface-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1rem, 2.4vw, 1.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  min-height: clamp(14rem, 4vw + 12rem, 16rem);
  transition: transform 260ms var(--easing), box-shadow 260ms var(--easing), border-color 260ms var(--easing), background-color 260ms var(--easing);
  box-shadow: var(--shadow-soft);
}

.interface-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.1);
  background-color: #0d0d0d;
}

.card-header {
  font-weight: 600;
  letter-spacing: 0.05em;
}

.card-note {
  color: var(--text-secondary);
  margin: 0;
}

.vertical { position: relative; overflow: hidden; }
.vertical .dot-stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: fit-content;
}
.vertical .dot-stack span {
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: transform 260ms var(--easing), opacity 260ms var(--easing);
}
.vertical:hover .dot-stack span { transform: translateX(4px); opacity: 0.8; }

.timeline .time-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.4rem;
  width: 100%;
}
.timeline .time-grid span {
  display: block;
  height: clamp(2.2rem, 2vw + 1.8rem, 2.75rem);
  border: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border-radius: 8px;
  transition: opacity 200ms var(--easing);
}
.timeline:hover .time-grid span { opacity: 0.7; }

.strip .preview-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}
.strip .preview-row span {
  display: block;
  aspect-ratio: 1;
  border-radius: 12%;
  background: #101010;
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
  transition: transform 200ms var(--easing), opacity 200ms var(--easing);
}
.strip:hover .preview-row span { transform: translateY(-3px); opacity: 0.9; }

.method-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 1.4vw, 1.15rem);
  font-size: clamp(0.98rem, 0.4vw + 0.9rem, 1.08rem);
}

.method-list li {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(0.9rem, 2vw, 1.2rem) clamp(1rem, 2.5vw, 1.35rem);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  line-height: 1.5;
}

.method-list li .glassy-chip { margin-right: 0.5rem; }
.card-slab {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  box-shadow: var(--shadow-soft);
  min-height: 100%;
}

.list-plain {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--text-primary);
}

.form-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0e0e0e;
  padding: clamp(1.25rem, 2vw, 1.75rem);
  box-shadow: var(--shadow-soft);
}

.form-label { font-weight: 500; letter-spacing: 0.01em; }

.form-control, .form-select {
  background: #090909;
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 0.65rem 0.9rem;
}

.form-control:focus, .form-select:focus {
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 0 0.1rem rgba(255, 255, 255, 0.1);
}

.form-text { color: var(--text-secondary); }

.success-note {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.footer {
  border-top: 1px solid var(--border);
  padding-bottom: calc(var(--space-lg) / 2);
}

.footer-brand { font-weight: 600; letter-spacing: 0.04em; margin-bottom: 0.35rem; }
.footer-links a { color: var(--text-primary); font-weight: 500; }
.footer-links a:hover { opacity: 0.8; }
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.15rem;
}
.icon {
    display: inline-flex;
    width: 1.5rem;
    height: 1.5rem;
}
  .icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(1) grayscale(1);
    opacity: 0.92;
  }
.icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon svg rect,
.icon svg circle,
.icon svg path { fill: none; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 500ms var(--easing), transform 500ms var(--easing); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

@media (max-width: 991px) {
  .hero { padding-top: calc(var(--space-lg) * 1.5); }
}

@media (max-width: 640px) {
  .site-header .container { flex-wrap: wrap; }
  .site-header nav { width: 100%; }
  .nav-list { justify-content: flex-start; }
  .hero { padding: clamp(2.5rem, 9vh, 4rem) 0; }
  .section { padding: clamp(2rem, 8vh, 4rem) 0; }
  .interface-card { min-height: auto; }
}