/* =====================================================
   Royal Pop — Audemars Piguet × Swatch
   Premium scroll-driven landing page
   ===================================================== */

:root {
  --bg-light: #f5f3f0;
  --bg-dark: #111111;
  --bg-frame: #2d4a47;
  --text-on-light: #1a1a1a;
  --text-on-light-soft: #555555;
  --text-on-dark: #f0ede8;
  --text-on-dark-soft: #a8a39c;
  --accent-orange: #ff5a1f;
  --accent-teal: #2dd4bf;
  --accent-pink: #ff9ec7;
  --accent-yellow: #f6c945;
  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body::before {
  content: "";
  position: fixed;
  inset: -40px;
  background: url('../frames/frame_0120.jpg') center / cover no-repeat;
  filter: blur(30px);
  z-index: -1;
  pointer-events: none;
}

html, body {
  background: var(--bg-frame);
  color: var(--text-on-light);
  font-family: var(--font-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* -----------------------------------------------------
   1. Loader
   ----------------------------------------------------- */
#loader {
  position: fixed; inset: 0;
  background: var(--bg-light);
  z-index: 1000;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 24px;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 4rem);
  letter-spacing: -0.04em;
}
#loader-bar {
  width: min(280px, 60vw); height: 2px;
  background: rgba(0,0,0,0.1);
  overflow: hidden;
}
#loader-bar-fill {
  display: block; height: 100%; width: 0%;
  background: var(--text-on-light);
  transition: width 0.2s ease;
}
#loader-percent {
  font-size: 0.75rem; letter-spacing: 0.2em;
  color: var(--text-on-light-soft);
}

/* -----------------------------------------------------
   2. Header
   ----------------------------------------------------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 28px 5vw;
  mix-blend-mode: difference;
  color: #fff;
}
.site-header nav {
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}
.site-header ul {
  display: flex; gap: 32px;
  list-style: none;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.site-header a { opacity: 0.85; transition: opacity 0.2s; }
.site-header a:hover { opacity: 1; }
.nav-cta {
  padding: 8px 16px;
  border: 1px solid currentColor;
  border-radius: 999px;
}

/* -----------------------------------------------------
   3. Hero (standalone 100vh)
   ----------------------------------------------------- */
.hero-standalone {
  position: relative;
  height: 100vh; width: 100vw;
  background: var(--bg-light);
  display: flex; align-items: center;
  padding: 0 5vw;
  z-index: 20;
}
.hero-inner {
  max-width: 90vw;
}
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-on-light-soft);
  margin-bottom: 24px;
}
.hero-heading {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(5rem, 14vw, 14rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: var(--text-on-light);
  margin-bottom: 28px;
}
.hero-heading span { display: inline-block; }
.hero-tagline {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(1rem, 1.3vw, 1.35rem);
  line-height: 1.5;
  max-width: 540px;
  color: var(--text-on-light-soft);
}
.scroll-indicator {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-on-light-soft);
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* -----------------------------------------------------
   4. Canvas
   ----------------------------------------------------- */
.canvas-wrap {
  position: fixed; inset: 0;
  z-index: 10;
  clip-path: circle(0% at 50% 50%);
  will-change: clip-path;
}
#canvas { width: 100vw; height: 100vh; display: block; }

/* -----------------------------------------------------
   5. Dark overlay
   ----------------------------------------------------- */
#dark-overlay {
  position: fixed; inset: 0;
  background: var(--bg-dark);
  z-index: 25;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

/* -----------------------------------------------------
   6. Marquee
   ----------------------------------------------------- */
.marquee-wrap {
  position: fixed;
  top: 50%; left: 0;
  width: 100vw;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 15;
  overflow: hidden;
  opacity: 0;
  will-change: opacity;
}
.marquee-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 13vw;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
  color: #ffffff;
  mix-blend-mode: difference;
  opacity: 0.55;
  will-change: transform;
}

/* -----------------------------------------------------
   7. Scroll container & sections
   ----------------------------------------------------- */
#scroll-container {
  position: relative;
  height: 900vh;
  z-index: 30;
}
.scroll-section {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  pointer-events: none;
  opacity: 0;
  z-index: 35;
  will-change: opacity, transform;
}
.scroll-section.section-stats { z-index: 40; }
.scroll-section.section-cta { z-index: 45; }

/* Directional vignette behind text — keeps text legible over any frame color */
.scroll-section.align-left::before,
.scroll-section.align-right::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 55vw;
  pointer-events: none;
  z-index: -1;
}
.scroll-section.align-left::before {
  left: 0;
  background: linear-gradient(to right,
    rgba(10,10,10,0.78) 0%,
    rgba(10,10,10,0.62) 35%,
    rgba(10,10,10,0.25) 75%,
    rgba(10,10,10,0) 100%);
}
.scroll-section.align-right::before {
  right: 0;
  background: linear-gradient(to left,
    rgba(10,10,10,0.78) 0%,
    rgba(10,10,10,0.62) 35%,
    rgba(10,10,10,0.25) 75%,
    rgba(10,10,10,0) 100%);
}
.scroll-section.is-active { pointer-events: auto; }

/* Side-aligned text zones */
.align-left { padding-left: 5vw; padding-right: 55vw; }
.align-right { padding-left: 55vw; padding-right: 5vw; }
.align-left .section-inner,
.align-right .section-inner { max-width: 40vw; }

.section-inner > * + * { margin-top: 22px; }

/* Sections that overlay the canvas: light text + soft shadow */
.align-left .section-inner,
.align-right .section-inner {
  text-shadow: 0 1px 30px rgba(0,0,0,0.45);
}
.align-left .section-label,
.align-right .section-label { color: rgba(245,243,240,0.7); }

.section-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 4.4vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--text-on-light);
}
.align-left .section-heading,
.align-right .section-heading { color: var(--text-on-dark); }

.section-body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.1vw, 1.18rem);
  line-height: 1.55;
  color: #444;
  max-width: 38ch;
}
.align-left .section-body,
.align-right .section-body { color: rgba(240,237,232,0.88); }
.section-body strong { color: var(--text-on-light); font-weight: 600; }
.align-left .section-body strong,
.align-right .section-body strong { color: var(--text-on-dark); }

.section-note {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-on-light-soft);
}

/* Stats section (uses dark overlay) */
.section-stats {
  padding: 0 5vw;
  color: var(--text-on-dark);
  justify-content: center;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 60px 40px;
  width: 100%;
  max-width: 1400px;
  text-align: center;
}
.stat {
  display: flex; flex-direction: column;
  align-items: center; gap: 12px;
}
.stat-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 7vw, 7rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text-on-dark);
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-on-dark-soft);
}
.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-on-dark-soft);
}

/* CTA */
.section-cta {
  padding: 0 5vw;
  justify-content: center;
}
.section-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center,
    rgba(10,10,10,0.78) 0%,
    rgba(10,10,10,0.62) 35%,
    rgba(10,10,10,0.25) 70%,
    rgba(10,10,10,0) 100%);
  pointer-events: none;
  z-index: -1;
}
.cta-inner {
  width: 100%;
  max-width: 720px;
  text-align: center;
  text-shadow: 0 1px 30px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.cta-inner > * { margin: 0 !important; }
.cta-inner .cta-button { margin: 12px 0 12px 0 !important; }
.section-cta .section-label { color: rgba(245,243,240,0.7); }
.section-cta .section-heading { color: var(--text-on-dark); }
.section-cta .section-body { color: rgba(240,237,232,0.88); }
.section-cta .section-note { color: rgba(240,237,232,0.6); }
.section-cta .cta-button {
  background: var(--text-on-dark);
  color: var(--bg-dark);
  text-shadow: none;
}
.section-cta .cta-button:hover { background: var(--accent-orange); color: #fff; }
.cta-inner .section-label,
.cta-inner .section-heading,
.cta-inner .section-body,
.cta-inner .section-note { text-align: center; margin-left: auto; margin-right: auto; }
.cta-button {
  display: block;
  width: fit-content;
  margin: 36px auto 36px auto;
  padding: 18px 36px;
  background: var(--text-on-light);
  color: var(--bg-light);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  border-radius: 999px;
  transition: transform 0.25s ease, background 0.25s ease;
}
.cta-inner .section-note { margin-top: 0 !important; clear: both; }
.cta-button:hover { transform: translateY(-2px); background: var(--accent-orange); }

/* -----------------------------------------------------
   Mobile
   ----------------------------------------------------- */
@media (max-width: 768px) {
  html, body { overflow-x: hidden; }

  #scroll-container { height: 600vh; }

  /* Header: keep brand + Boutique CTA, hide rest */
  .site-header { padding: 14px 5vw; }
  .site-header nav { gap: 12px; }
  .site-header .logo { font-size: 0.85rem; }
  .site-header ul { gap: 12px; font-size: 0.62rem; letter-spacing: 0.05em; }
  .site-header ul li:not(:last-child) { display: none; }
  .nav-cta { padding: 6px 12px; }

  /* Hero */
  .hero-standalone { padding: 0 6vw; }
  .hero-inner { max-width: 100%; }
  .section-label { font-size: 0.66rem; letter-spacing: 0.18em; margin-bottom: 16px; }
  .hero-heading {
    font-size: clamp(3.2rem, 18vw, 6rem);
    line-height: 0.95;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
  }
  .hero-tagline { font-size: 1rem; line-height: 1.5; max-width: 100%; }
  .scroll-indicator { font-size: 0.62rem; bottom: 24px; }

  /* Scroll sections: stack, no side-padded layout */
  .align-left, .align-right {
    padding: 32px 6vw;
    justify-content: center;
  }
  .align-left .section-inner,
  .align-right .section-inner {
    max-width: 100%;
    background: rgba(20,20,20,0.55);
    padding: 22px 20px;
    border-radius: 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    text-shadow: none;
  }
  /* Full-width vignette on mobile */
  .scroll-section.align-left::before,
  .scroll-section.align-right::before {
    width: 100vw;
    left: 0; right: 0;
    background: linear-gradient(to bottom,
      rgba(10,10,10,0.55) 0%,
      rgba(10,10,10,0.35) 50%,
      rgba(10,10,10,0.55) 100%);
  }

  .section-heading {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
    line-height: 1.05;
    letter-spacing: -0.025em;
  }
  .section-body {
    font-size: 1rem;
    line-height: 1.55;
    max-width: 100%;
  }
  .section-inner > * + * { margin-top: 14px; }

  /* Stats */
  .section-stats { padding: 0 6vw; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .stat-number { font-size: clamp(2.4rem, 14vw, 4rem); }
  .stat-label { font-size: 0.66rem; letter-spacing: 0.18em; }

  /* Marquee */
  .marquee-text { font-size: 22vw; }

  /* CTA */
  .section-cta { padding: 0 6vw; }
  .cta-inner { gap: 16px; padding: 22px 18px; background: rgba(20,20,20,0.55); border-radius: 14px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
  .cta-button { padding: 14px 26px; font-size: 0.82rem; }

  /* Course footer */
  .course-footer { padding: 56px 6vw; }
}

@media (max-width: 420px) {
  .hero-heading { font-size: clamp(2.8rem, 17vw, 4.6rem); }
  .section-heading { font-size: clamp(1.7rem, 8.5vw, 2.2rem); }
  .stats-grid { gap: 24px 12px; }
  .site-header .logo { font-size: 0.78rem; }
  .nav-cta { font-size: 0.62rem; padding: 5px 10px; }
}

/* -----------------------------------------------------
   Course footer
   ----------------------------------------------------- */
.course-footer {
  position: relative;
  z-index: 30;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 80px 5vw;
  text-align: center;
}
.course-footer-inner { max-width: 720px; margin: 0 auto; }
.course-footer-label {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: 18px;
}
.course-footer-heading {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
  margin-bottom: 16px;
}
.course-footer-body {
  color: var(--text-on-dark-soft);
  font-size: 1.02rem;
  line-height: 1.6;
  margin-bottom: 28px;
}
.course-footer-cta {
  display: inline-block;
  padding: 14px 28px;
  border: 1px solid var(--text-on-dark);
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s;
}
.course-footer-cta:hover {
  background: var(--text-on-dark);
  color: var(--bg-dark);
}