/* ══════════════════════════════════════════════════════════════════
   ArtDrop — Shared Site Styles
   All pages link to this file. Page-specific styles go in <style> blocks.
   ══════════════════════════════════════════════════════════════════ */

/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Design Tokens ──────────────────────────────────────────────── */
:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #181818;
  --border: rgba(255,255,255,0.07);
  --border-bright: rgba(255,255,255,0.14);
  --lime: #bfff5e;
  --lime-dim: rgba(191,255,94,0.12);
  --lime-glow: rgba(191,255,94,0.28);
  --white: #f0f0ec;
  --muted: rgba(240,240,236,0.45);
  --faint: rgba(240,240,236,0.18);
  --mono: 'DM Mono', monospace;
  --sans: 'Bodoni Moda', Georgia, serif;
  --body: 'Instrument Sans', system-ui, sans-serif;
}

/* ── Base ───────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Noise Overlay ──────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.6;
}

/* ── Navigation ─────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--lime);
  text-decoration: none;
}

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a:link,
.nav-links a:visited { font-family: var(--body); font-size: 13px; color: var(--muted); text-decoration: none; letter-spacing: 0.02em; transition: color 0.15s; }
.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-cta {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: var(--lime);
  padding: 9px 20px;
  border-radius: 3px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 0 0 0 var(--lime-glow);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--lime-glow);
}
.nav-cta-mobile { display: none; }

/* ── Footer ─────────────────────────────────────────────────────── */
footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo { font-family: var(--mono); font-size: 14px; color: var(--lime); }
.footer-links { display: flex; gap: 32px; }
.footer-links a { font-family: var(--mono); font-size: 12px; color: var(--muted); text-decoration: none; letter-spacing: 0.05em; }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* ── Buttons ────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--bg);
  background: var(--lime);
  padding: 16px 32px;
  border-radius: 4px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 0 0 0 var(--lime-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--lime-glow);
}

/* ── Shared Page Components ─────────────────────────────────────── */
.page-hero {
  padding: 160px 48px 80px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 100% 100% at 0% 50%, black 20%, transparent 80%);
}

.page-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--lime); margin-bottom: 24px; position: relative; }
.page-title { font-family: var(--sans); font-size: clamp(44px, 6vw, 80px); font-weight: 900; font-variation-settings: 'opsz' 96; font-feature-settings: 'liga' 0; line-height: 1.0; letter-spacing: -0.01em; margin-bottom: 28px; position: relative; max-width: 700px; }
.page-title em { font-style: italic; color: var(--lime); }
.page-intro { font-size: 17px; color: var(--muted); max-width: 520px; line-height: 1.75; position: relative; }
.page-intro a { color: var(--lime); text-decoration: none; }

/* ── Section Labels ─────────────────────────────────────────────── */
.section { padding: 100px 48px; border-top: 1px solid var(--border); }
.section-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--lime); margin-bottom: 16px; }
.section-title { font-family: var(--sans); font-size: clamp(32px, 4vw, 52px); font-weight: 800; font-variation-settings: 'opsz' 48; font-feature-settings: 'liga' 0; letter-spacing: -0.01em; line-height: 1.1; margin-bottom: 64px; max-width: 600px; }
.section-title em { font-style: italic; color: var(--lime); }

/* ── Utility Classes ────────────────────────────────────────────── */
.text-lime  { color: var(--lime); text-decoration: none; }
.text-muted { color: var(--muted); }
.text-white { color: var(--white); font-weight: 400; }

/* ── Legal Page Styles ──────────────────────────────────────────── */
.legal-container { max-width: 780px; margin: 0 auto; padding: 120px 40px 80px; }
.legal-label { font-family: var(--mono); font-size: 11px; color: var(--lime); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px; }
.legal-container h1 { font-size: 36px; font-weight: 600; line-height: 1.2; margin-bottom: 8px; }
.legal-container .meta { color: var(--muted); font-size: 14px; margin-bottom: 56px; }
.legal-container h2 { font-size: 18px; font-weight: 600; color: var(--white); margin: 48px 0 12px; }
.legal-container p { color: var(--muted); margin-bottom: 16px; }
.legal-container ul { color: var(--muted); padding-left: 24px; margin-bottom: 16px; }
.legal-container li { margin-bottom: 8px; }
.legal-container a { color: var(--lime); text-decoration: none; }
.legal-container a:hover { text-decoration: underline; }
.legal-container strong { color: var(--white); font-weight: 400; }
.legal-callout { background: var(--bg2); border: 1px solid var(--border); border-left: 3px solid var(--lime); padding: 20px 24px; margin: 24px 0; border-radius: 4px; }
.legal-callout p { margin: 0; }

/* ── CTA Strip ──────────────────────────────────────────────────── */
.cta-strip { background: var(--bg2); border: 1px solid var(--border-bright); border-radius: 8px; padding: 48px; text-align: center; }
.cta-strip-title { font-family: var(--body); font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 12px; }
.cta-strip-sub { font-size: 15px; color: var(--muted); margin-bottom: 28px; }

/* ── Animations ─────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Scroll Reveal ──────────────────────────────────────────────── */
.reveal { opacity: 1; transform: translateY(0); }
.reveal.animated { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.animated.visible { opacity: 1; transform: translateY(0); }

/* ── Hamburger Menu ─────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 102;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 16px 24px; }
  .nav-hamburger { display: block; order: -1; }
  .nav-logo { order: 0; margin: 0 auto; }
  .nav-cta { display: none; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,10,0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 101;
  }
  .nav-links.open { display: flex; }
  .nav-links a:link, .nav-links a:visited { font-size: 20px; color: var(--white); }
  .nav-links .nav-cta-mobile {
    display: block;
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--bg);
    background: var(--lime);
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    margin-top: 16px;
  }
  .page-hero { padding: 100px 20px 50px; }
  .page-title { font-size: 32px; font-feature-settings: 'liga' 0; font-variation-settings: 'opsz' 28; }
  .section-title { font-variation-settings: 'opsz' 28; }
  .section { padding: 60px 20px; }
  .legal-container { padding: 100px 20px 60px; }
  footer { padding: 40px 20px; flex-direction: column; align-items: flex-start; }
  .footer-links { gap: 20px; flex-wrap: wrap; }
}

/* ── Accessibility ──────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--lime);
  color: var(--bg);
  padding: 8px 16px;
  z-index: 200;
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

/* ── Beta Waitlist ─────────────────────────────────────────────── */
.beta-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--lime);
  padding: 6px 16px;
  border-radius: 3px;
  margin-bottom: 16px;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.waitlist-input {
  font-family: var(--mono);
  font-size: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(191, 255, 94, 0.3);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}

.waitlist-input:focus {
  border-color: var(--lime);
}

.waitlist-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.btn-buy[type="submit"] {
  border: none;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}