/* ============================================================
   NEXUS PRO — APPLE-GRADE DESIGN SYSTEM & STYLESHEET
   ============================================================ */

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

:root {
  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont,
               'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
  --font-display: 'Geist', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont,
                  'Helvetica Neue', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', 'Cascadia Mono', monospace;

  /* Color Palette — warm cinematic black */
  --bg-deep:        #000000;
  --bg-studio:      #060102;
  --bg-card:        rgba(22, 17, 14, 0.62);
  --border-subtle:  rgba(255, 255, 255, 0.08);
  --border-active:  rgba(255, 107, 26, 0.50);
  --border-glass:   rgba(247, 242, 233, 0.13);

  /* Accents */
  --accent-orange:  #ff6b1a;
  --accent-crimson: #dc2626;
  --accent-glow:    rgba(255, 107, 26, 0.25);

  /* Text Tiers */
  --text-primary:   #f7f2e9;
  --text-secondary: rgba(247, 242, 233, 0.68);
  --text-tertiary:  rgba(247, 242, 233, 0.44);
  --text-muted:     rgba(247, 242, 233, 0.26);

  /* Curvatures */
  --radius-sm:      10px;
  --radius-md:      16px;
  --radius-lg:      22px;
  --radius-xl:      28px;
  --radius-pill:    999px;

  /* Motion */
  --ease-apple:     cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --nav-gutter:     clamp(22px, 3vw, 46px);
}

/* ============================================================
   BASE SETUP
   ============================================================ */
html {
  background-color: var(--bg-deep);
  color-scheme: dark;
}

html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background-color: var(--bg-deep);
  font-family: var(--font-main);
  color: var(--text-primary);
  user-select: none;
  -webkit-user-select: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(255, 107, 26, 0.35);
  color: #fff;
}

/* Minimal Apple-style Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.32);
}

/* Safe scroll anchors for navigation */
section[id] {
  scroll-margin-top: 90px;
}

/* ============================================================
   FROSTED GLASS NOTCH NAVBAR
   ============================================================ */
.notch-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding-top: 0;
  pointer-events: none;
}

.notch-nav {
  position: relative;
  width: min(1500px, calc(100vw - (var(--nav-gutter) * 2)));
  height: 64px;
  pointer-events: auto;
  filter: drop-shadow(0 16px 38px rgba(0, 0, 0, 0.55));
}

.notch-svg-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  backdrop-filter: blur(36px) saturate(200%);
  -webkit-backdrop-filter: blur(36px) saturate(200%);
  clip-path: url(#notch-clip);
  -webkit-clip-path: url(#notch-clip);
}

.notch-content {
  position: absolute;
  top: 0;
  left: 10px;
  right: 10px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  z-index: 2;
  gap: 1rem;
}

/* Brand */
.brand-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  cursor: pointer;
  flex-shrink: 0;
}

.brand-gloss-icon {
  width: 27px;
  height: 27px;
  border-radius: 7px;
  background: #ece5d8;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.icon-inner-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 15%, rgba(255, 107, 26, 0.28) 0%, transparent 70%);
}

.brand-label {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: #f7f2e9;
}

/* Nav Links */
.nav-links-list {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.link-item {
  position: relative;
  font-family: var(--font-mono);
  color: rgba(245, 240, 233, 0.65);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.25s ease;
}

.link-item::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 3px;
  height: 3px;
  margin-left: -1.5px;
  border-radius: 50%;
  background: var(--accent-orange);
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.25s ease, transform 0.25s var(--ease-apple);
}

.link-item:hover,
.link-item.is-current {
  color: #f7f2e9;
}

.link-item.is-current::after {
  opacity: 1;
  transform: none;
}

/* Header Action Pill */
.action-wrapper {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.glass-pill-download {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  height: 38px;
  padding: 0 1.1rem;
  border-radius: 8px;
  background: #ece5d8;
  color: #0b0908;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s var(--ease-apple), background 0.2s ease;
}

.glass-pill-download:hover {
  transform: translateY(-1px);
  background: #fff8ea;
}

/* ============================================================
   3D CANVAS CONTAINER
   ============================================================ */
#canvas-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: auto;
  cursor: grab;
  touch-action: pan-y;
  transition: opacity 0.4s ease;
}

#canvas-container.grabbing {
  cursor: grabbing;
}

/* ============================================================
   LAYOUT — SECTIONS
   ============================================================ */
.site-main {
  position: relative;
  z-index: 2;
}

.section {
  position: relative;
  z-index: 2;
  pointer-events: none;
}

.section a,
.section button,
.section summary,
.section details,
.buy-card,
.faq-list,
.swatch-row {
  pointer-events: auto;
}

.section-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  padding: clamp(116px, 14vh, 160px) var(--nav-gutter) clamp(72px, 9vh, 112px);
}

.section-inner--right {
  justify-content: flex-end;
}

.content-col {
  position: relative;
  z-index: 2;
  width: min(580px, 48%);
  display: flex;
  flex-direction: column;
}

.content-col--wide {
  width: min(820px, 60%);
}

/* All sections completely transparent — sharing ONE single continuous fixed backdrop */
.site-main,
.section,
.section--hero,
.section--anatomy,
.section--buy,
.section--solid,
.section-inner,
.anatomy-sticky,
.site-footer {
  background: transparent !important;
  background-color: transparent !important;
}

.section-scrim,
.hero-scrim {
  display: none !important;
}

/* ============================================================
   TYPOGRAPHY — EDITORIAL SECTIONS
   ============================================================ */
.section-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.52);
  margin-bottom: clamp(18px, 2.6vh, 26px);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.8rem, 5.0vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  color: #f7f2e9;
  margin-bottom: clamp(20px, 3vh, 30px);
}

.section-copy {
  font-family: var(--font-display);
  font-size: clamp(1.0rem, 1.25vw, 1.16rem);
  line-height: 1.68;
  color: rgba(247, 242, 233, 0.74);
  max-width: 520px;
}

.section-footnote {
  margin-top: clamp(24px, 3.4vh, 36px);
  padding-left: 14px;
  border-left: 1px solid rgba(247, 242, 233, 0.25);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.46);
  max-width: 440px;
}

/* ============================================================
   SECTION 01 — HERO
   ============================================================ */
.section--hero {
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
}



.hero-frame {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: clamp(106px, 13vh, 140px) var(--nav-gutter) clamp(20px, 3.2vh, 32px);
  pointer-events: none;
}

.hero-content {
  margin-top: clamp(34px, 15vh, 132px);
  max-width: 600px;
  pointer-events: none;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: clamp(18px, 2.4vh, 28px);
  color: rgba(245, 240, 233, 0.65);
}

.hero-eyebrow-mark {
  width: 14px;
  height: 1px;
  background: currentColor;
  opacity: 0.65;
}

.hero-eyebrow-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero-eyebrow-arrow {
  opacity: 0.7;
  flex-shrink: 0;
}

/* Display headline */
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.0rem, 5.2vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #f7f2e9;
  text-transform: uppercase;
  margin-bottom: clamp(18px, 2.6vh, 26px);
}

.hero-title-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.04em;
}

.hero-title-line > span {
  display: block;
  transform: translateY(112%);
  transition: transform 1.05s var(--ease-apple);
}

body.is-ready .hero-title-line:nth-child(1) > span { transition-delay: 0.10s; transform: none; }
body.is-ready .hero-title-line:nth-child(2) > span { transition-delay: 0.18s; transform: none; }
body.is-ready .hero-title-line:nth-child(3) > span { transition-delay: 0.26s; transform: none; }

.hero-title-dot {
  color: var(--accent-orange);
  transition: color 0.6s ease;
}

/* Supporting copy */
.hero-sub {
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.25vw, 1.18rem);
  line-height: 1.58;
  color: rgba(247, 242, 233, 0.78);
  max-width: 460px;
  margin-bottom: clamp(22px, 3.2vh, 34px);
}

.hero-sub-dim {
  color: rgba(247, 242, 233, 0.48);
}

/* Buttons */
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 50px;
  padding: 0 8px 0 20px;
  border: 0;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  pointer-events: auto;
  cursor: pointer;
  background: transparent;
  transition: transform 0.25s var(--ease-apple), background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.hero-btn-label {
  line-height: 1;
  white-space: nowrap;
}

.hero-btn-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 7px;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-apple);
}

.hero-btn-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 7px;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-apple);
}

.hero-btn--solid {
  background: #ece5d8;
  color: #0b0908;
}

.hero-btn--solid .hero-btn-icon {
  background: #0b0908;
  color: #ece5d8;
}

.hero-btn--ghost {
  background: rgba(20, 17, 15, 0.42);
  color: #f7f2e9;
  border: 1px solid rgba(247, 242, 233, 0.20);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.hero-btn--ghost .hero-btn-icon {
  background: rgba(247, 242, 233, 0.10);
  color: #f7f2e9;
}

.hero-btn:hover { transform: translateY(-2px); }
.hero-btn--solid:hover { background: #fff8ea; }
.hero-btn--ghost:hover { border-color: rgba(247, 242, 233, 0.40); background: rgba(30, 25, 22, 0.60); }
.hero-btn:hover .hero-btn-icon { transform: translateX(2px); }

/* Minimal product telemetry footer */
.hero-foot {
  margin-top: auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.hero-specs {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 26px);
  list-style: none;
}

.hero-specs li {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  white-space: nowrap;
}

.hero-specs li + li::before {
  content: '';
  position: absolute;
  left: calc(-1 * clamp(7px, 0.9vw, 13px));
  top: 50%;
  width: 3px;
  height: 3px;
  margin-top: -1.5px;
  border-radius: 50%;
  background: rgba(247, 242, 233, 0.24);
}

.hero-spec-val {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #f7f2e9;
}

.hero-spec-lbl {
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: rgba(247, 242, 233, 0.48);
}

.hero-scroll {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.55);
  text-decoration: none;
  pointer-events: auto;
  transition: color 0.25s ease;
}

.hero-scroll:hover {
  color: rgba(247, 242, 233, 0.85);
}

.hero-scroll-track {
  position: relative;
  width: 56px;
  height: 1px;
  background: rgba(247, 242, 233, 0.20);
  overflow: hidden;
}

.hero-scroll-thumb {
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 1px;
  background: #f7f2e9;
  animation: heroScrollSlide 2.2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes heroScrollSlide {
  0% { transform: translateX(-18px); }
  55%, 100% { transform: translateX(56px); }
}

/* Entrance choreography (triggered when the loader clears) */
.hero-eyebrow,
.hero-sub,
.hero-actions,
.hero-foot {
  opacity: 0.001;
  filter: blur(12px);
  transform: translateY(16px);
  transition:
    opacity 0.95s var(--ease-apple),
    transform 0.95s var(--ease-apple),
    filter 0.95s var(--ease-apple);
  will-change: opacity, transform, filter;
}

body.is-ready .hero-eyebrow { opacity: 1; filter: blur(0px); transform: none; transition-delay: 0.05s; }
body.is-ready .hero-sub { opacity: 1; filter: blur(0px); transform: none; transition-delay: 0.34s; }
body.is-ready .hero-actions { opacity: 1; filter: blur(0px); transform: none; transition-delay: 0.42s; }
body.is-ready .hero-foot { opacity: 1; filter: blur(0px); transform: none; transition-delay: 0.50s; }

/* ============================================================
   SECTION 02 — OVERVIEW
   ============================================================ */
.stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vh, 24px) clamp(20px, 3vw, 34px);
  margin-top: clamp(30px, 4vh, 42px);
  list-style: none;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 14px;
  border-top: 1px solid rgba(247, 242, 233, 0.14);
}

.stat-val {
  font-family: var(--font-display);
  font-size: clamp(2.0rem, 3.2vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #f7f2e9;
}

.stat-unit {
  font-size: 0.52em;
  letter-spacing: 0;
  margin-left: 3px;
  color: rgba(247, 242, 233, 0.65);
}

.stat-lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.52);
}

/* ============================================================
   SECTION 03 — FEATURES
   ============================================================ */
.feature-list {
  list-style: none;
  margin-top: clamp(26px, 3.6vh, 38px);
}

.feature {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
  padding: clamp(18px, 2.6vh, 24px) 0;
  border-top: 1px solid rgba(247, 242, 233, 0.12);
}

.feature:last-child {
  border-bottom: 1px solid rgba(247, 242, 233, 0.12);
}

.feature-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(247, 242, 233, 0.45);
  padding-top: 4px;
}

.feature-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.4vw, 1.35rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #f7f2e9;
  margin-bottom: 8px;
}

.feature-body p {
  font-family: var(--font-display);
  font-size: clamp(0.92rem, 1.08vw, 1.04rem);
  line-height: 1.65;
  color: rgba(247, 242, 233, 0.65);
  max-width: 460px;
}

/* ============================================================
   SECTION 04 — ANATOMY (STICKY EXPLODED VIEW)
   ============================================================ */
.section--anatomy {
  height: 220vh;
  height: 220svh;
}

.anatomy-sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  padding: clamp(112px, 14vh, 150px) var(--nav-gutter) clamp(60px, 8vh, 90px);
  overflow: hidden;
}

.anatomy-head {
  position: relative;
  z-index: 3;
  max-width: 420px;
}

.anatomy-head .section-title {
  font-size: clamp(2.1rem, 3.5vw, 3.2rem);
}

.anatomy-meter {
  position: absolute;
  left: var(--nav-gutter);
  bottom: clamp(62px, 8.4vh, 92px);
  width: clamp(110px, 14vw, 180px);
  height: 1px;
  background: rgba(247, 242, 233, 0.16);
}

.anatomy-meter-fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent-orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.12s linear;
}

.anatomy-hint {
  position: absolute;
  left: 50%;
  bottom: clamp(58px, 8vh, 86px);
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.34);
  white-space: nowrap;
}

.anatomy-count {
  position: absolute;
  right: var(--nav-gutter);
  bottom: clamp(56px, 8vh, 84px);
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(247, 242, 233, 0.40);
}

#anatomy-step {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: #f7f2e9;
}

.anatomy-count-total {
  font-size: 9px;
  color: rgba(247, 242, 233, 0.34);
}

.anatomy-notes {
  position: absolute;
  inset: 0;
  z-index: 3;
  list-style: none;
  pointer-events: none;
}

.anatomy-note {
  position: absolute;
  width: min(270px, 24vw);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  opacity: 0;
  filter: blur(12px);
  transform: translateY(14px);
  transition:
    opacity 0.6s var(--ease-apple),
    transform 0.6s var(--ease-apple),
    filter 0.6s var(--ease-apple);
  will-change: opacity, transform, filter;
}

.anatomy-note.is-on {
  opacity: 1;
  filter: blur(0px);
  transform: none;
}

.anatomy-note--left {
  text-align: left;
}

.anatomy-note--right {
  text-align: right;
  flex-direction: row-reverse;
}

.anatomy-note[data-step="0"] { left: var(--nav-gutter); top: 34%; }
.anatomy-note[data-step="1"] { right: var(--nav-gutter); top: 29%; }
.anatomy-note[data-step="2"] { left: var(--nav-gutter); top: 58%; }
.anatomy-note[data-step="3"] { right: var(--nav-gutter); top: 63%; }

.anatomy-note::after {
  content: '';
  position: absolute;
  top: 13px;
  height: 1px;
  width: clamp(16px, 5vw, 70px);
  background: linear-gradient(90deg, rgba(247, 242, 233, 0.28), rgba(247, 242, 233, 0));
}

.anatomy-note--left::after {
  left: calc(100% + 8px);
}

.anatomy-note--right::after {
  right: calc(100% + 8px);
  background: linear-gradient(270deg, rgba(247, 242, 233, 0.28), rgba(247, 242, 233, 0));
}

.note-index {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent-orange);
  padding-top: 2px;
}

.note-body h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: #f7f2e9;
  margin-bottom: 5px;
}

.note-body p {
  font-family: var(--font-display);
  font-size: 0.86rem;
  line-height: 1.6;
  color: rgba(247, 242, 233, 0.65);
}

/* ============================================================
   SECTION 05 — SPECS
   ============================================================ */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(16px, 2.6vw, 34px);
  margin-top: clamp(26px, 3.6vh, 38px);
  border-top: 1px solid rgba(247, 242, 233, 0.14);
}

.spec {
  padding: clamp(12px, 1.8vh, 17px) 0;
  border-bottom: 1px solid rgba(247, 242, 233, 0.10);
}

.spec dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.48);
  margin-bottom: 6px;
}

.spec dd {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.15vw, 1.12rem);
  letter-spacing: -0.005em;
  color: rgba(247, 242, 233, 0.92);
  line-height: 1.45;
}

/* ============================================================
   SECTION 06 — COLORWAYS
   ============================================================ */
.swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(26px, 3.6vh, 36px);
}

.swatch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(247, 242, 233, 0.18);
  background: rgba(18, 13, 10, 0.48);
  color: rgba(247, 242, 233, 0.75);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

.swatch:hover {
  border-color: rgba(247, 242, 233, 0.36);
  color: #f7f2e9;
}

.swatch.is-active {
  border-color: rgba(247, 242, 233, 0.62);
  color: #f7f2e9;
  background: rgba(34, 27, 22, 0.66);
}

.swatch-dot {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--swatch);
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.28);
}

.colorway-desc {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.55);
}

/* ============================================================
   SECTION 07 — PRE-ORDER
   ============================================================ */
.buy-card {
  width: min(100%, 460px);
  margin-top: clamp(26px, 3.4vh, 36px);
  padding: clamp(22px, 2.6vw, 30px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(247, 242, 233, 0.16);
  background: rgba(16, 13, 11, 0.62);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.buy-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.buy-price {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 3.4vw, 3.0rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  color: #f7f2e9;
}

.buy-currency {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(247, 242, 233, 0.50);
  margin-left: 6px;
}

.buy-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-orange);
  border: 1px solid rgba(255, 107, 26, 0.35);
  border-radius: 999px;
  padding: 6px 12px;
  white-space: nowrap;
}

.buy-ship {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: rgba(247, 242, 233, 0.50);
}

.buy-btn {
  width: 100%;
  justify-content: space-between;
  margin-top: 18px;
}

.buy-btn[disabled] {
  cursor: default;
  opacity: 0.85;
}

.buy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(247, 242, 233, 0.12);
  list-style: none;
}

.buy-list li {
  position: relative;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.55);
}

.buy-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 1px;
  background: rgba(247, 242, 233, 0.30);
}

/* ============================================================
   SECTION 08 — FAQ
   ============================================================ */
#faq {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  scroll-margin-top: 40px;
}

.section-inner--faq {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: clamp(100px, 13vh, 140px) !important;
  padding-bottom: clamp(64px, 9vh, 96px) !important;
}

.content-col--faq {
  position: relative;
  z-index: 5;
  width: min(560px, 48%);
  max-width: 560px;
  display: flex;
  flex-direction: column;
}

.content-col--faq .section-title {
  font-size: clamp(2.4rem, 3.8vw, 3.4rem);
  line-height: 1.02;
  margin-bottom: clamp(16px, 2.2vh, 24px);
}

.faq-list {
  margin-top: clamp(16px, 2.2vh, 26px);
  width: 100%;
  max-width: 560px;
}

.faq-item {
  border-top: 1px solid rgba(247, 242, 233, 0.14);
}

.faq-item:last-child {
  border-bottom: 1px solid rgba(247, 242, 233, 0.14);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(15px, 1.8vh, 19px) 0;
  font-family: var(--font-display);
  font-size: clamp(0.92rem, 1.1vw, 1.02rem);
  font-weight: 400;
  color: rgba(247, 242, 233, 0.88);
  cursor: pointer;
  list-style: none;
  transition: color 0.25s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover,
.faq-item[open] summary {
  color: #f7f2e9;
}

.faq-icon {
  position: relative;
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 1px;
  margin: -0.5px 0 0 -5.5px;
  background: rgba(247, 242, 233, 0.62);
  transition: transform 0.3s var(--ease-apple);
}

.faq-icon::after {
  transform: rotate(90deg);
}

.faq-item[open] .faq-icon::after {
  transform: rotate(0deg);
}

.faq-answer {
  padding: 0 0 clamp(14px, 1.8vh, 18px);
}

.faq-answer p {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 0.98vw, 0.94rem);
  line-height: 1.68;
  color: rgba(247, 242, 233, 0.65);
  max-width: 540px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  z-index: 2;
  margin-top: clamp(40px, 8vh, 80px);
  padding: clamp(34px, 5vh, 52px) var(--nav-gutter) clamp(24px, 3.4vh, 34px);
  background: transparent !important;
  border-top: 1px solid rgba(247, 242, 233, 0.10);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: clamp(26px, 4vh, 40px);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 5px;
  text-decoration: none;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  color: #f7f2e9;
}

.footer-brand-sub {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.34);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 2.4vw, 30px);
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(247, 242, 233, 0.44);
  transition: color 0.25s ease;
}

.footer-nav a:hover {
  color: #f7f2e9;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: clamp(16px, 2.4vh, 22px);
  border-top: 1px solid rgba(247, 242, 233, 0.08);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.04em;
  color: rgba(247, 242, 233, 0.30);
}

.footer-meta {
  color: rgba(247, 242, 233, 0.24);
}

/* ============================================================
   SCROLL PROGRESS RAIL
   ============================================================ */
.scroll-rail {
  position: fixed;
  top: 50%;
  right: clamp(14px, 1.8vw, 26px);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transform: translateY(-50%);
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.rail-number {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: rgba(247, 242, 233, 0.72);
}

.rail-track {
  position: relative;
  width: 1px;
  height: clamp(110px, 16vh, 160px);
  background: rgba(247, 242, 233, 0.14);
  overflow: hidden;
}

.rail-thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 38px;
  background: #f7f2e9;
  will-change: transform;
}

.rail-label {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(247, 242, 233, 0.32);
}

/* ============================================================
   SCROLL REVEAL (Cinematic Blur-to-Focus Transition)
   ============================================================ */
.reveal {
  opacity: 0;
  filter: blur(14px);
  transform: translateY(28px);
  transition:
    opacity 0.95s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.95s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.95s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--i, 0) * 90ms);
  will-change: opacity, transform, filter;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.reveal.is-in {
  opacity: 1;
  filter: blur(0px);
  transform: translateY(0);
}

/* ============================================================
   HERO WARM FIELD (fixed backdrop below the 3D canvas)
   ============================================================ */
.hero-warm-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #0b0504;
  transition: opacity 0.5s ease;
}

.hero-warm-field::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 95% 58% at 50% 114%, rgba(255, 122, 58, 0.50) 0%, rgba(196, 56, 20, 0.34) 38%, rgba(86, 24, 9, 0.20) 68%, transparent 88%),
    radial-gradient(ellipse 78% 52% at 4% 92%, rgba(255, 176, 118, 0.28) 0%, rgba(200, 74, 34, 0.16) 45%, transparent 78%),
    radial-gradient(ellipse 72% 46% at 94% 80%, rgba(255, 96, 40, 0.36) 0%, rgba(160, 44, 12, 0.20) 48%, transparent 80%),
    linear-gradient(165deg, #191310 0%, #23110b 28%, #3d130a 58%, #1b0905 100%);
}

.hero-ember-mass {
  position: absolute;
  right: -26%;
  bottom: -34%;
  width: 132vw;
  height: 112vh;
  background: radial-gradient(ellipse at 52% 60%, #ff9a55 0%, #ff7a3a 12%, #ef5a24 26%, #cf3f14 40%, #9d2a0c 55%, rgba(110, 28, 8, 0.45) 70%, transparent 82%);
  filter: blur(30px) saturate(125%);
  opacity: 0.95;
}

.hero-cream-flare {
  position: absolute;
  left: -16%;
  bottom: -30%;
  width: 76vw;
  height: 78vh;
  background: radial-gradient(ellipse at 42% 72%, rgba(255, 214, 176, 0.62) 0%, rgba(255, 150, 92, 0.40) 26%, rgba(220, 82, 34, 0.22) 48%, transparent 72%);
  filter: blur(36px);
}

.hero-field-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 90% at 82% 18%, rgba(0, 0, 0, 0.32) 0%, transparent 58%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.36) 0%, transparent 24%, transparent 70%, rgba(0, 0, 0, 0.42) 100%);
}

/* ============================================================
   LOADING SCREEN — MINIMALIST (WEBSITE NAME + NUMBER + BAR)
   ============================================================ */
.loader, .app-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: #070302;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(2rem, 5vw, 5rem) 0;
  overflow: hidden;
  transition: transform 0.85s cubic-bezier(0.77, 0, 0.175, 1),
              opacity 0.85s cubic-bezier(0.77, 0, 0.175, 1),
              visibility 0.85s ease;
  will-change: transform, opacity;
  user-select: none;
}

.loader.hidden, .app-loader.hidden {
  transform: translateY(-100%);
  opacity: 0.96;
  visibility: hidden;
  pointer-events: none;
}

/* Background Atmosphere */
.loader-bg-glow {
  position: absolute;
  right: -5vw;
  bottom: -10vh;
  width: 60vw;
  height: 60vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.16) 0%, rgba(220, 38, 38, 0.06) 45%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 1;
}

/* Top Header — Website Name */
.loader-top-bar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
}

.loader-top-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.loader-pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff6b1a;
  box-shadow: 0 0 12px #ff6b1a;
  animation: pulseLoaderDot 1.4s infinite ease-in-out;
}

@keyframes pulseLoaderDot {
  0%, 100% { opacity: 0.45; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.loader-brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  letter-spacing: 0.22em;
  color: #ffffff;
  text-transform: uppercase;
}

/* Bottom Content Area — Big Number Only */
.loader-bottom-area {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  width: 100%;
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

.loader-bottom-right {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.loader-counter-wrap {
  display: inline-flex;
  align-items: baseline;
  line-height: 0.82;
}

.loader-big-num {
  font-family: var(--font-display);
  font-size: clamp(6.5rem, 18vw, 13.5rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
  line-height: 0.82;
  text-shadow: 0 0 45px rgba(255, 107, 26, 0.28), 0 0 90px rgba(255, 107, 26, 0.12);
}

.loader-percent-symbol {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 800;
  color: #ff6b1a;
  margin-left: 0.35rem;
  line-height: 0.82;
  text-shadow: 0 0 25px rgba(255, 107, 26, 0.6);
}

/* Edge-to-Edge Bottom Loading Bar */
.loader-edge-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 10;
  overflow: visible;
}

.loader-edge-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ff4500 0%, #ff6b1a 60%, #ffd000 100%);
  box-shadow: 0 0 16px rgba(255, 107, 26, 0.95), 0 -2px 14px rgba(255, 107, 26, 0.6);
  transition: width 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.loader-edge-glow-tip {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 14px #ff6b1a, 0 0 22px #ffd000;
}

/* Responsive adjustments for mobile/smaller displays */
@media (max-width: 768px) {
  .loader {
    padding: 1.75rem 1.5rem 0;
  }
  .loader-big-num {
    font-size: clamp(4.8rem, 22vw, 8rem);
  }
  .loader-percent-symbol {
    font-size: clamp(1.8rem, 8vw, 3rem);
  }
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1180px) {
  .scroll-rail {
    display: none;
  }

  .hero-content {
    max-width: 470px;
    margin-top: clamp(24px, 11vh, 112px);
  }

  .content-col {
    width: min(500px, 46%);
  }

  .anatomy-note {
    width: min(200px, 20vw);
  }
}

@media (max-width: 1024px) {
  .nav-links-list {
    gap: 1.4rem;
  }

  .link-item {
    font-size: 0.6rem;
  }

  .content-col {
    width: min(480px, 48%);
  }

  .anatomy-note[data-step="0"] { top: 31%; }
  .anatomy-note[data-step="1"] { top: 27%; }
  .anatomy-note[data-step="2"] { top: 55%; }
  .anatomy-note[data-step="3"] { top: 60%; }
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 900px) {
  .hero-title {
    font-size: clamp(2.35rem, 6.4vw, 3.4rem);
  }
  .hero-sub {
    max-width: 330px;
  }
  .hero-specs li:nth-child(n + 3) {
    display: none;
  }

  .section-inner {
    align-items: flex-end;
    padding-top: 25vh;
    padding-bottom: clamp(58px, 8vh, 90px);
  }

  .section-inner--right {
    justify-content: flex-start;
  }

  .content-col,
  .content-col--wide,
  .content-col--faq {
    width: 100%;
    max-width: 560px;
  }

  .section-title {
    font-size: clamp(2.3rem, 8.6vw, 3.2rem);
  }

  .section-copy {
    max-width: 100%;
  }

  .anatomy-head {
    max-width: 100%;
  }

  .anatomy-note {
    width: min(240px, 68vw);
  }

  .anatomy-notes {
    inset: auto 0 0 0;
    top: auto;
    padding: 0 var(--nav-gutter) 92px;
  }

  .anatomy-note {
    display: none;
    position: relative;
    width: min(320px, 74vw);
    top: auto !important;
    left: auto !important;
    right: auto !important;
    text-align: left;
    flex-direction: row;
  }

  .anatomy-note.is-on {
    display: flex;
  }

  .anatomy-note::after {
    display: none;
  }

  .anatomy-hint {
    left: var(--nav-gutter);
    transform: none;
    bottom: 58px;
    font-size: 8px;
  }

  .anatomy-count {
    bottom: 54px;
  }

  .anatomy-meter {
    left: var(--nav-gutter);
    width: 90px;
  }

  .section-inner--faq {
    padding-top: clamp(84px, 12vh, 120px) !important;
  }

  .footer-top {
    flex-direction: column;
    gap: 22px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 768px) {
  .notch-header {
    padding-top: 0;
  }
  .notch-nav {
    width: calc(100vw - (var(--nav-gutter) * 2));
    height: 58px;
  }
  .notch-content {
    height: 58px;
    left: 8px;
    right: 8px;
    padding: 0 6px;
  }
  .brand-label {
    font-size: 0.74rem;
  }
  .glass-pill-download {
    height: 32px;
    padding: 0 0.75rem;
    font-size: 0.58rem;
  }

  .hero-frame {
    padding: 84px 20px 16px;
  }
  .hero-content {
    margin-top: 10px;
    max-width: 100%;
  }
  .hero-eyebrow {
    margin-bottom: 14px;
  }
  .hero-eyebrow-text {
    font-size: 9px;
  }
  .hero-title {
    font-size: clamp(2.2rem, 10.4vw, 3.05rem);
    line-height: 1.04;
    margin-bottom: 16px;
  }
  .hero-sub {
    font-size: 0.79rem;
    max-width: 320px;
    margin-bottom: 22px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: min(100%, 330px);
    gap: 8px;
  }
  .hero-btn {
    height: 44px;
    justify-content: space-between;
  }

  .hero-specs {
    display: none;
  }
  .hero-foot {
    justify-content: flex-end;
  }
  .hero-scroll {
    font-size: 9px;
  }
  .hero-scroll-track {
    width: 42px;
  }

  .section-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .stat-row {
    gap: 14px 20px;
  }

  .spec-grid {
    column-gap: 18px;
  }

  .buy-list {
    grid-template-columns: 1fr;
  }

  .buy-card {
    width: 100%;
  }

  .faq-list {
    margin-top: 22px;
  }

  .anatomy-hint {
    display: none;
  }
}

@media (max-height: 640px) and (min-width: 769px) {
  .hero-content {
    margin-top: 8px;
  }
  .hero-title {
    font-size: clamp(2rem, 3.1vw, 2.8rem);
  }
  .hero-sub {
    display: none;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-title-line > span,
  .hero-eyebrow,
  .hero-sub,
  .hero-actions,
  .hero-foot,
  .reveal,
  .anatomy-note {
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    filter: none !important;
  }

  .hero-scroll-thumb {
    animation: none;
  }
}