/* ==========================================================================
   MRF — Medwood Research Facility
   Design tokens
   ========================================================================== */

:root {
  --bg:          #0a0a09;
  --bg-panel:    #131210;
  --bg-panel-2:  #17150f;
  --ink:         #e9e4d8;
  --ink-dim:     #b8b3a4;
  --muted:       #7d7669;
  --line:        #2a2822;
  --line-bright: #3c392f;

  --amber:       #c99a3e;
  --amber-dim:   #7a5f28;
  --teal:        #536a5b;
  --teal-dim:    #354238;
  --rust:        #8a3a34;
  --rust-dim:    #4a231f;

  --font-display: 'Bebas Neue', Impact, sans-serif;
  --font-body:    'IBM Plex Mono', 'Courier New', monospace;

  --radius: 2px;
}

/* ==========================================================================
   Reset / base
   ========================================================================== */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

a { color: inherit; }

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin: 0;
}

ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* Film grain overlay */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Vignette */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 998;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 45%, rgba(0,0,0,0.55) 100%);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-amber {
  background: var(--amber);
  color: #14110a;
  border-color: var(--amber);
}
.btn-amber:hover { background: #dcae52; }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-bright);
}
.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(10, 10, 9, 0.88);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(201, 154, 62, 0.25));
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-code {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.06em;
}

.brand-sub {
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-dim);
  transition: color 0.15s ease;
}
.site-nav a:hover { color: var(--amber); }

.nav-cta {
  padding: 9px 16px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  color: var(--ink) !important;
}
.nav-cta:hover {
  border-color: var(--amber);
  color: var(--amber) !important;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding: 96px 0 100px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, rgba(83, 106, 91, 0.16), transparent 60%),
    var(--bg);
  overflow: hidden;
}

.hero-inner {
  max-width: 720px;
  text-align: center;
  margin: 0 auto;
}

.eyebrow-hero {
  margin-bottom: 18px;
}

.hero-note {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 18px 0 0;
}

.hero-title {
  font-size: clamp(44px, 8vw, 76px);
  line-height: 0.98;
  color: var(--ink);
  margin-bottom: 26px;
}

.hero-copy {
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.75;
  max-width: 520px;
  margin: 0 auto 36px;
}

/* ==========================================================================
   Section shared
   ========================================================================== */

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--amber-dim);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(30px, 4vw, 42px);
  margin-bottom: 48px;
}

.levels {
  padding: 96px 0;
  border-bottom: 1px solid var(--line);
}

/* ==========================================================================
   Level cards
   ========================================================================== */

.level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.level-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px 28px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.level-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-bright);
}

.level-iii {
  background: var(--bg-panel-2);
  border-color: var(--amber-dim);
}

.level-badge {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  margin-bottom: 20px;
}

.level-i .level-badge  { border-color: var(--teal); }
.level-ii .level-badge { border-color: var(--ink-dim); }
.level-iii .level-badge{ border-color: var(--amber); }

.level-num {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
}

.level-i .level-num  { color: var(--teal); }
.level-iii .level-num{ color: var(--amber); }

.level-name {
  font-size: 24px;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

.level-desc {
  font-size: 13px;
  color: var(--ink-dim);
  line-height: 1.65;
  margin: 0 0 22px;
}

.level-perks {
  margin-bottom: 26px;
  flex-grow: 1;
}

.level-perks li {
  font-size: 12.5px;
  color: var(--ink-dim);
  padding: 9px 0;
  border-top: 1px solid var(--line);
  padding-left: 18px;
  position: relative;
}
.level-perks li:first-child { border-top: none; }

.level-perks li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
}

.level-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 40px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.price-unit {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.level-card .btn { width: 100%; }

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq {
  padding: 96px 0 110px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.faq-item {
  background: var(--bg);
  padding: 30px 32px;
}

.faq-item h3 {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 12px;
}

.faq-item p {
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.75;
  margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 22px;
}

.footer-mark {
  width: 30px;
  height: 30px;
  object-fit: contain;
  opacity: 0.7;
  flex-shrink: 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  flex-shrink: 0;
}

.footer-legal {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
  max-width: 560px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 860px) {
  .level-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .site-nav a:not(.nav-cta) { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 70px 0 70px; }
}