:root {
  --sand: #EBE5DF;
  --sand-light: #F7F4EF;
  --sand-warm: #E4DDD6;
  --obsidian: #181C22;
  --obsidian-dark: #0F1216;
  --obsidian-soft: #232932;
  --stone-cream: #F5EFEB;
  --cream-paper: #FAF7F2;
  --ink: #121519;
  --ink-muted: #5F6773;
  --ink-subtle: #8A929E;
  --accent-gold: #C2A27A;
  --accent-terracotta: #C96853;
  --line-subtle: rgba(24, 28, 34, 0.12);

  --font-serif: 'Instrument Serif', 'Playfair Display', Georgia, serif;
  --font-sans: 'Apercu', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Apercu Mono', monospace, ui-monospace;
}

@font-face {
  font-family: 'Apercu';
  src: url('assets/fonts/APERCU_REGULAR.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Apercu';
  src: url('assets/fonts/APERCU MEDIUM.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Apercu';
  src: url('assets/fonts/APERCU BOLD.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Apercu Mono';
  src: url('assets/fonts/APERCU MONO.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--sand);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background-color: var(--sand);
  background-image: 
    radial-gradient(var(--ink-subtle) 0.6px, transparent 0.6px),
    linear-gradient(to bottom, #F7F4EF 0%, #EBE5DF 100%);
  background-size: 24px 24px, 100% 100%;
  color: var(--ink);
  line-height: 1.6;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 4vw, 3.5rem);
}

/* TYPOGRAPHY */
.serif-heading {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.eyebrow-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.eyebrow-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-terracotta);
}

/* HEADER NAVIGATION */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 239, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-subtle);
  padding: 1.1rem 0;
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-kin {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}
.brand-edition {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.nav-link:hover {
  color: var(--ink);
}

.btn-pill {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-obsidian {
  background: var(--obsidian);
  color: var(--sand-light);
  border-color: var(--obsidian);
}
.btn-obsidian:hover {
  background: var(--obsidian-soft);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(24, 28, 34, 0.18);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-subtle);
}
.btn-outline:hover {
  border-color: var(--ink);
  background: rgba(24, 28, 34, 0.03);
}

/* HERO SECTION */
.hero-section {
  padding: clamp(3rem, 8vw, 6rem) 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero-text-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 4.8rem);
  line-height: 1.02;
  color: var(--obsidian);
}
.hero-title em {
  font-style: italic;
  font-family: var(--font-serif);
}

.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 34rem;
}

.hero-meta-bar {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-subtle);
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-subtle);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.meta-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

/* HERO 3D INTERACTIVE MATCHBOX STAGE */
.matchbox-3d-stage {
  position: relative;
  width: 100%;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible;
}

.matchbox-viewport-container {
  position: relative;
  width: 100%;
  height: 560px;
  touch-action: none;
  cursor: grab;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}
.matchbox-viewport-container:active {
  cursor: grabbing;
}

.matchbox-viewport-container canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.spin-hint {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-subtle);
  color: var(--obsidian);
  border-radius: 9999px;
  padding: 0.45rem 1.2rem;
  z-index: 5;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(24, 28, 34, 0.08);
}
.spin-hint.gone {
  opacity: 0;
}

/* FLOATING TRANSLUCENT CONTROLS */
.matchbox-translucent-footer {
  margin-top: 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding: 0.55rem 1.1rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line-subtle);
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(24, 28, 34, 0.07);
  z-index: 10;
}

.stage-status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.stage-live-indicator {
  width: 7px;
  height: 7px;
  background: #3B82F6;
  border-radius: 50%;
  box-shadow: 0 0 8px #3B82F6;
  animation: pulseDot 2s infinite ease-in-out;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.face-pills {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.action-btn,
.view-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9999px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--ink-muted);
}

.action-btn {
  background: var(--obsidian);
  color: var(--sand-light);
  border-color: var(--obsidian);
  margin-right: 0.2rem;
}
.action-btn:hover {
  background: var(--obsidian-soft);
}

.view-btn:hover {
  color: var(--obsidian);
  background: rgba(24, 28, 34, 0.06);
}
.view-btn.active {
  background: var(--sand-warm);
  color: var(--obsidian);
  font-weight: 700;
}

/* Sleeve Top Grip Area */
.sleeve-grip-area {
  padding: 1.5rem 1.2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  color: var(--sand-warm);
}
.slide-arrow-indicator {
  font-size: 1.1rem;
  line-height: 1;
  animation: bounceUp 1.8s infinite;
}
@keyframes bounceUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.slide-instruction {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Sleeve Cream Label Band */
.sleeve-label-band {
  background: var(--stone-cream);
  color: var(--obsidian);
  padding: 1.6rem 1.4rem;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}
.sleeve-tagline-script {
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: var(--ink);
}
.sleeve-kin-wordmark {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 0.95;
}
.sleeve-divider-line {
  width: 70%;
  height: 2px;
  background: var(--obsidian);
  margin: 0.6rem auto 0;
}

/* Interactive Matchbox Status Indicator */
.matchbox-action-controls {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  z-index: 20;
}
.slide-toggle-btn {
  background: rgba(24, 28, 34, 0.08);
  border: 1px solid var(--line-subtle);
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--ink);
}
.slide-toggle-btn:hover {
  background: var(--obsidian);
  color: var(--sand-light);
}

/* POPUP DRAWER MODAL FOR STONE TABLETS */
.tablet-inspect-modal {
  position: fixed;
  inset: 0;
  background: rgba(18, 21, 25, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  display: none;
  place-items: center;
  padding: 1.5rem;
}
.tablet-inspect-modal.open {
  display: grid;
}
.tablet-card-large {
  background: #FAF7F2;
  background-image: radial-gradient(#4d463b 0.65px, transparent 0.65px);
  background-size: 10px 10px;
  width: 100%;
  max-width: 440px;
  border-radius: 24px;
  padding: 2.5rem 2.2rem;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  text-align: center;
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.08);
}
.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ink-muted);
}
.modal-tablet-quote {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.4;
  color: var(--obsidian);
  margin: 1.5rem 0 1.2rem;
}
.modal-tablet-desc {
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.55;
}
.modal-tablet-meta {
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-subtle);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* SECTION 2: THE 3 GROUNDING PILLARS */
.pillars-section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  border-top: 1px solid var(--line-subtle);
}

.section-head-center {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto 3.5rem;
}
.section-headline {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  margin-top: 0.8rem;
  color: var(--obsidian);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.pillar-card {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line-subtle);
  border-radius: 20px;
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(24, 28, 34, 0.06);
}
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-terracotta);
  letter-spacing: 0.12em;
}
.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1.15;
  color: var(--obsidian);
}
.pillar-body {
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* SECTION 3: THE FLATLAY PACKAGING UNBOXING */
.unfolding-section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  background: var(--obsidian);
  color: var(--sand-light);
  border-radius: 36px;
  margin: 0 clamp(0.5rem, 2.5vw, 2rem);
}
.unfolding-section .eyebrow-tag {
  color: var(--accent-gold);
}
.unfolding-section .section-headline {
  color: #ffffff;
}

.unfold-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 3.5rem;
  align-items: center;
  margin-top: 3rem;
}

.unfold-visual-container {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.unfold-visual-container img {
  width: 100%;
  height: auto;
  display: block;
}

.unfold-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}
.unfold-step-item {
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.unfold-step-item:last-child {
  border-bottom: none;
}
.unfold-index {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-gold);
}
.unfold-step-item h4 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 0.3rem;
}
.unfold-step-item p {
  font-size: 0.92rem;
  color: #a8b2c0;
  line-height: 1.55;
}

/* SECTION 4: INTERACTIVE BUILT-IN JOURNAL DEMO */
.journal-canvas-card {
  margin-top: 3.5rem;
  background: var(--cream-paper);
  color: var(--ink);
  border-radius: 24px;
  padding: 2.5rem 2.8rem;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.journal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-subtle);
  padding-bottom: 1rem;
}
.journal-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--obsidian);
}
.journal-helpline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent-terracotta);
}
.journal-textarea {
  width: 100%;
  height: 130px;
  background: transparent;
  border: none;
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--ink);
  resize: none;
  outline: none;
  background-image: linear-gradient(transparent, transparent 27px, rgba(24, 28, 34, 0.08) 28px);
  background-size: 100% 28px;
}
.journal-textarea::placeholder {
  color: var(--ink-subtle);
  font-style: italic;
}

/* SECTION 5: PRIVATE EDITION WAITLIST */
.waitlist-section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}
.waitlist-card {
  max-width: 580px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line-subtle);
  border-radius: 28px;
  padding: 2.8rem 2.4rem;
  text-align: center;
  box-shadow: 0 16px 40px rgba(24, 28, 34, 0.04);
}
.waitlist-form {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.8rem;
}
.waitlist-input {
  flex: 1;
  padding: 0.85rem 1.4rem;
  border-radius: 9999px;
  border: 1px solid var(--line-subtle);
  background: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}
.waitlist-input:focus {
  border-color: var(--obsidian);
}
.waitlist-status {
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 500;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--line-subtle);
  padding: 2.5rem 0;
  font-size: 0.82rem;
  color: var(--ink-muted);
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* RESPONSIVE DESIGN */
@media (max-width: 900px) {
  .hero-grid, .unfold-layout-grid {
    grid-template-columns: 1fr;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}