/* ═══════════════════════════════════════════
   ARTFIT STUDIO — Shared Stylesheet
   Dark gallery aesthetic · Gold accents
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@300;400&display=swap');

/* ── Variables ──────────────────────────────── */
:root {
  --black:      #080808;
  --deep:       #0A0A0A;
  --surface:    #111111;
  --surface2:   #161616;
  --border:     rgba(201,169,110,0.15);
  --border-dim: rgba(255,255,255,0.06);
  --gold:       #C9A96E;
  --gold-dim:   #A8874E;
  --gold-glow:  rgba(201,169,110,0.12);
  --white:      #F5F0E8;
  --grey:       #8A8A8A;
  --grey-light: #B0A898;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'DM Sans', sans-serif;
  --font-mono:  'DM Mono', monospace;
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.7, 0, 0.84, 0);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Grain 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='0.04'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.6;
}

/* ── Typography ─────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(3.5rem, 8vw, 7rem); }
h2 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h3 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
h4 { font-size: clamp(1.3rem, 2vw, 1.8rem); }

p { color: var(--grey-light); line-height: 1.75; }

a { color: inherit; text-decoration: none; }

strong { font-weight: 500; color: var(--white); }

/* ── Gold rule ──────────────────────────────── */
.gold { color: var(--gold); }
.gold-rule {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 2rem;
  opacity: 0.7;
}
.gold-rule.center { margin-left: auto; margin-right: auto; }

/* ── Navigation ─────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px) saturate(0.8);
  border-bottom: 1px solid var(--border-dim);
  transition: padding 0.4s var(--ease-out);
}

nav.scrolled { padding: 1rem 3rem; }

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.6;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--gold); }

.nav-cta {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--gold);
  padding: 0.6rem 1.4rem;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  display: inline-block;
}

.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--white);
  transition: all 0.3s;
}

/* ── Containers ─────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 3rem;
}

.container-narrow {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 3rem;
}

/* ── Sections ───────────────────────────────── */
section { padding: 8rem 0; }
.section-sm { padding: 4rem 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  margin-bottom: 1rem;
}

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: none;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  text-decoration: none;
}

.btn-gold {
  background: var(--gold);
  color: var(--black);
}
.btn-gold:hover { background: #D9B97E; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,169,110,0.25); }

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--gold); background: var(--gold-glow); }

.btn-ghost {
  background: transparent;
  color: var(--grey-light);
  padding-left: 0;
  padding-right: 0;
}
.btn-ghost:hover { color: var(--white); }

.btn svg { width: 14px; height: 14px; }

/* ── App Store Badge ────────────────────────── */
.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.5rem;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  transition: all 0.25s;
  cursor: pointer;
}

.app-badge:hover {
  border-color: rgba(201,169,110,0.4);
  background: var(--gold-glow);
}

.app-badge-icon { width: 28px; height: 28px; opacity: 0.8; }

.app-badge-text { text-align: left; }
.app-badge-text small {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 1px;
}
.app-badge-text strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--white);
}

/* ── Cards ──────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  padding: 2.5rem;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}

.card:hover {
  border-color: var(--border);
  transform: translateY(-3px);
}

/* ── Feature grid ───────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dim);
}

.feature-item {
  background: var(--deep);
  padding: 2.5rem 2rem;
  transition: background 0.3s;
}

.feature-item:hover { background: var(--surface); }

.feature-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1.5rem;
  color: var(--gold);
  opacity: 0.7;
}

.feature-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--white);
}

.feature-item p {
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ── Divider ────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ── Footer ─────────────────────────────────── */
footer {
  border-top: 1px solid var(--border-dim);
  padding: 4rem 0 3rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.88rem;
  margin-top: 1rem;
  max-width: 260px;
  line-height: 1.65;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
  margin-bottom: 1.25rem;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--grey);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-dim);
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--grey);
  opacity: 0.6;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.6;
}

/* ── Scroll animations ──────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Page hero ──────────────────────────────── */
.page-hero {
  padding: 14rem 0 6rem;
  border-bottom: 1px solid var(--border-dim);
}

/* ── Prose (legal pages) ────────────────────── */
.prose {
  color: var(--grey-light);
  line-height: 1.8;
}

.prose h2 {
  font-size: 1.6rem;
  color: var(--white);
  margin: 3rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-dim);
}

.prose h3 {
  font-size: 1.2rem;
  color: var(--white);
  margin: 2rem 0 0.75rem;
}

.prose p { margin-bottom: 1.2rem; }
.prose ul { margin: 1rem 0 1.2rem 1.5rem; }
.prose ul li { margin-bottom: 0.4rem; }
.prose a { color: var(--gold); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.prose a:hover { border-color: var(--gold); }
.prose strong { color: var(--white); }

/* ── Mobile ─────────────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 1.25rem 1.5rem; }
  nav.scrolled { padding: 0.9rem 1.5rem; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .container, .container-narrow { padding: 0 1.5rem; }
  section { padding: 5rem 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  h1 { font-size: clamp(2.8rem, 12vw, 4rem); }
  h2 { font-size: clamp(2rem, 8vw, 3rem); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
}

/* ── Mobile nav overlay ─────────────────────── */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--white);
  transition: color 0.2s;
}

.mobile-nav a:hover { color: var(--gold); }

.mobile-nav-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: none;
  border: none;
  color: var(--grey);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* ── Phone mockup ───────────────────────────── */
.phone-wrap {
  position: relative;
  display: inline-block;
}

.phone-frame {
  width: 280px;
  aspect-ratio: 9/19.5;
  border: 1.5px solid rgba(201,169,110,0.3);
  border-radius: 36px;
  background: var(--surface);
  overflow: hidden;
  position: relative;
  box-shadow:
    0 0 0 0.5px rgba(0,0,0,0.8),
    0 30px 80px rgba(0,0,0,0.6),
    0 0 60px rgba(201,169,110,0.06) inset;
}

.phone-screen {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 26px;
  background: var(--black);
  border-radius: 20px;
  z-index: 2;
}

.phone-glow {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 120px;
  background: radial-gradient(ellipse, rgba(201,169,110,0.18), transparent 70%);
  pointer-events: none;
}

/* ── Stat block ─────────────────────────────── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dim);
}

.stat-item {
  background: var(--deep);
  padding: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey);
}

@media (max-width: 600px) {
  .stat-row { grid-template-columns: 1fr; }
  .phone-frame { width: 220px; }
}