/* ============================================================
   ArtForge — Design system
   Editorial (Artsy-influenced) × Industrial (mono/grid-tool-influenced)
   ============================================================ */

:root {
  --bg: #f4f3f0;
  --card: #ffffff;
  --border: #e2e0dc;
  --ink: #111111;
  --ink-soft: rgba(17, 17, 17, 0.64);
  --ink-faint: rgba(17, 17, 17, 0.4);
  --accent: #d1502f;
  --accent-ink: #ffffff;

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --container: 1360px;
  --gutter: clamp(20px, 4vw, 64px);

  --ease: cubic-bezier(.16, 1, .3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --card: #1a1a1a;
    --border: #2a2a2a;
    --ink: #f2f1ee;
    --ink-soft: rgba(242, 241, 238, 0.64);
    --ink-faint: rgba(242, 241, 238, 0.4);
    --accent: #e86a45;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.italic { font-style: italic; font-weight: 400; }

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.02;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

section { position: relative; }

.section-head {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
  margin-bottom: 56px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 3.2vw, 38px);
  margin: 0;
  letter-spacing: -0.01em;
}
.section-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  margin: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 18px;
  font-weight: 500;
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-line { display: block; overflow: hidden; }
.reveal-word {
  display: inline-block;
  transform: translateY(110%);
  transition: transform .8s var(--ease);
}
.reveal-line.is-visible .reveal-word { transform: translateY(0); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border-radius: 0;
}
.btn-outline {
  padding: 13px 20px;
  border: 1px solid var(--border);
  color: var(--ink);
  background: transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.btn-outline:hover { border-color: var(--ink); background: var(--card); }

.btn-solid {
  padding: 13px 20px;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  transition: opacity .25s var(--ease);
}
.btn-solid:hover { opacity: 0.85; }
.btn-solid svg { transition: transform .25s var(--ease); }
.btn-solid:hover svg { transform: translate(2px, -2px); }

.btn-small { padding: 9px 16px; font-size: 11px; }
.btn-large { padding: 17px 28px; font-size: 13px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: transform .5s var(--ease), background .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border);
}
.site-header.hide { transform: translateY(-100%); }

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--ink);
  color: var(--bg);
  flex-shrink: 0;
}

.nav-desktop { display: flex; gap: 4px; font-family: var(--font-mono); }
.nav-link {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  color: var(--ink-soft);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-link:hover { color: var(--ink); background: var(--card); }

.header-right { display: flex; align-items: center; gap: 14px; }

.menu-toggle {
  display: none;
  width: 32px; height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  justify-content: space-between;
}
.menu-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(10.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-10.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 0 var(--gutter);
  transform: translateY(-100%);
  transition: transform .5s var(--ease);
}
.nav-mobile.open { transform: translateY(0); }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 12vw;
  line-height: 1.2;
  font-weight: 500;
}

@media (max-width: 860px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 150px var(--gutter) 0;
  max-width: var(--container);
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(38px, 5.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 36px;
}
.hero-foot { max-width: 560px; }
.hero-sub {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 30px;
  max-width: 460px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-visual-frame {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 10px;
}
.hero-visual {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--ink);
  position: relative;
}
.hero-visual canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
}
.hero-visual:active canvas { cursor: grabbing; }
.hero-visual.no-webgl { display: none; }
.frame-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 10px 2px 2px;
}

.hero-stats {
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 64px;
}
.hero-stat { display: flex; flex-direction: column; gap: 4px; }
.hero-stat span {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 500;
  color: var(--ink);
}
.hero-stat small {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-faint);
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual-frame { max-width: 420px; }
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
  background: var(--card);
  margin-top: 72px;
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 20px;
  animation: marquee 26s linear infinite;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.marquee-track span:nth-child(4n) { color: var(--accent); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   FEATURES
   ============================================================ */
.features { max-width: var(--container); margin: 0 auto; padding: 96px var(--gutter) 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.feature-card {
  background: var(--card);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.feature-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); font-weight: 700; }
.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  margin: 0;
}
.feature-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }

@media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr; } }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how { max-width: var(--container); margin: 0 auto; padding: 96px var(--gutter); }
.how-list { display: flex; flex-direction: column; }
.how-row {
  display: grid;
  grid-template-columns: 60px 1fr 2fr;
  align-items: center;
  gap: 32px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left .35s var(--ease), background .35s var(--ease);
}
.how-row:hover { padding-left: 16px; background: var(--card); }
.how-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }
.how-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.2vw, 25px);
  margin: 0;
}
.how-desc { margin: 0; font-size: 14px; color: var(--ink-soft); max-width: 460px; }

@media (max-width: 760px) {
  .how-row { grid-template-columns: 34px 1fr; row-gap: 10px; }
  .how-desc { grid-column: 2; }
}

/* ============================================================
   CRITIQUE MOCK
   ============================================================ */
.critique { max-width: var(--container); margin: 0 auto; padding: 96px var(--gutter); }
.critique-mock {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.critique-canvas {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--card);
}
.critique-canvas-fill {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 23px, var(--border) 23px, var(--border) 24px),
    repeating-linear-gradient(90deg, transparent, transparent 23px, var(--border) 23px, var(--border) 24px),
    var(--card);
  opacity: 0.7;
}
.pin {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--card);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 0 rgba(209, 80, 47, 0.5);
  animation: pinPulse 2.6s ease-out infinite;
}
.pin:nth-child(3) { animation-delay: .5s; }
.pin:nth-child(4) { animation-delay: 1s; }
@keyframes pinPulse {
  0% { box-shadow: 0 0 0 0 rgba(209, 80, 47, 0.4); }
  70% { box-shadow: 0 0 0 14px rgba(209, 80, 47, 0); }
  100% { box-shadow: 0 0 0 0 rgba(209, 80, 47, 0); }
}

.critique-notes { background: var(--card); padding: 32px; display: flex; flex-direction: column; gap: 22px; }
.critique-note { display: flex; gap: 14px; }
.note-num {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
}
.critique-note strong { display: block; font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 6px; }
.critique-note p { margin: 0; font-size: 14px; color: var(--ink-soft); }

@media (max-width: 860px) { .critique-mock { grid-template-columns: 1fr; } }

/* ============================================================
   TESTIMONIAL
   ============================================================ */
.testimonial {
  padding: 88px var(--gutter);
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.testimonial-inner { max-width: 860px; margin: 0 auto; text-align: center; }
.testimonial-quote {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.35;
  margin: 0 0 20px;
}
.testimonial-attr {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin: 0;
}

/* ============================================================
   CTA
   ============================================================ */
.cta { padding: 140px var(--gutter); text-align: center; }
.cta-inner { max-width: 900px; margin: 0 auto; }
.cta .eyebrow { justify-content: center; display: flex; }
.cta-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 40px;
}
.cta-actions { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.cta-note {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-faint);
  margin: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { padding: 72px var(--gutter) 32px; max-width: var(--container); margin: 0 auto; border-top: 1px solid var(--border); }
.footer-inner { display: flex; flex-direction: column; gap: 48px; padding-top: 48px; }
.footer-cols { display: grid; grid-template-columns: repeat(3, minmax(140px, 220px)); gap: 24px; font-family: var(--font-mono); }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-label {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.footer-col a { font-size: 12px; color: var(--ink-soft); }
.footer-col a:hover { color: var(--ink); }
.footer-legal {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin: 0;
}
@media (max-width: 640px) { .footer-cols { grid-template-columns: 1fr 1fr; } }