/* ============================================
   Chrisna Lungala — Apple-Inspired Design
   ============================================ */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* CSS Variables - Apple Design System */
:root {
  /* Typography */
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter", var(--font-system);
  
  /* Colors - Black background theme */
  --color-black: #f5f5f7;
  --color-gray-dark: #e8e8ed;
  --color-gray: #a1a1a6;
  --color-gray-light: #86868b;
  --color-gray-lighter: #424245;
  --color-white: #1d1d1f;
  --color-bg: #000000;
  --color-bg-alt: #000000;
  
  /* Links */
  --color-link: #2997ff;
  --color-link-hover: #5eb3ff;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;
  
  /* Layout */
  --max-width: 980px;
  --max-width-wide: 1200px;
  --nav-height: 64px;

  /* Footer — Apple-style band: grey strip, hairline only above content column */
  --footer-bg: #1d1d1f;
  --footer-border: rgba(255, 255, 255, 0.12);
  --font-body: "Inter", var(--font-system);

  /* Fluid type — stronger minimums on phones / narrow viewports */
  --font-size-body: clamp(17px, 0.35rem + 3vw, 19px);
  --font-size-ui: clamp(15px, 0.25rem + 2.8vw, 17px);
  --font-size-small: clamp(14px, 0.2rem + 2.6vw, 16px);
  --font-size-meta: clamp(13px, 0.2rem + 2.5vw, 14px);
  --font-size-heading-sm: clamp(19px, 2.8vw, 24px);
  
  /* Motion — quick response, smooth deceleration (GPU-friendly: prefer transform/opacity) */
  --ease-out-snappy: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out-standard: cubic-bezier(0.33, 1, 0.68, 1);
  --transition-fast: 0.15s var(--ease-out-snappy);
  --transition-smooth: 0.2s var(--ease-out-snappy);
  --transition-slow: 0.35s var(--ease-out-standard);

  /* Touch — iOS HIG / Material minimum tap target */
  --touch-target-min: 44px;
}

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

html {
  scroll-behavior: auto;
  scroll-padding-top: calc(max(12px, env(safe-area-inset-top, 0px)) + var(--nav-height));
  background: #000;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0.08);
  }
}

body {
  font-family: var(--font-display);
  font-size: var(--font-size-body);
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: -0.022em;
  color: var(--color-black);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  overflow-x: clip;
  min-width: 0;
}

#main {
  min-width: 0;
  overflow-x: clip;
}

button,
a,
[role="button"],
[role="slider"],
[role="tab"],
input[type="button"],
input[type="submit"],
input[type="reset"],
label[for] {
  touch-action: manipulation;
}

/* Skip Link - Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-md);
  background: #1d1d1f;
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  z-index: 10000;
  transition: top var(--transition-fast);
  border-radius: 8px;
}

.skip-link:focus {
  top: var(--spacing-sm);
}

/* Navigation - Umbrel-style pill bar (https://umbrel.com) */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding-top: max(12px, env(safe-area-inset-top, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
  padding-bottom: 12px;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  z-index: 9999;
  display: flex;
  justify-content: center;
  isolation: isolate;
  /* Full fixed nav band height: safe area + padding + pill (~48px) + bottom padding */
  --nav-scrim-height: calc(env(safe-area-inset-top, 0px) + 12px + 48px + 12px);
  /* Extra pixels above the viewport so Safari rubber-band / overscroll doesn’t show bare #000 behind the blur */
  --nav-scrim-overscroll-y: 120px;
}

/*
 * Top scrim: extreme blur at the top (dual backdrop layers) so lines behind the bar aren’t readable;
 * contrast() softens edges; mask feathers to the bottom with no seam.
 * brightness(0.75) on ::before only.
 */
.nav::before {
  content: '';
  position: fixed;
  top: calc(-1 * var(--nav-scrim-overscroll-y));
  left: 0;
  right: 0;
  height: calc(var(--nav-scrim-height) + var(--nav-scrim-overscroll-y));
  z-index: 0;
  pointer-events: none;
  transform: translateZ(0);
  filter: brightness(0.75) contrast(0.92);
  backdrop-filter: blur(140px) saturate(200%) contrast(0.82);
  -webkit-backdrop-filter: blur(140px) saturate(200%) contrast(0.82);
  /* Stops remapped: same physical fade as before overscroll extension (see --nav-scrim-overscroll-y). */
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 1) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.97) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.1) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.9) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.22) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.75) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.38) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.55) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.52) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.32) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.68) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.14) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.84) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.04) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.94) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0) 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 1) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.97) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.1) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.9) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.22) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.75) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.38) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.55) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.52) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.32) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.68) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.14) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.84) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.04) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.94) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0) 100%
  );
  mask-size: 100% 100%;
  -webkit-mask-size: 100% 100%;
}

/* Second pass: extra blur in the upper band only (stacks visually for a harsher top smear). */
.nav::after {
  content: '';
  position: fixed;
  top: calc(-1 * var(--nav-scrim-overscroll-y));
  left: 0;
  right: 0;
  height: calc(var(--nav-scrim-height) + var(--nav-scrim-overscroll-y));
  z-index: 0;
  pointer-events: none;
  transform: translateZ(0);
  backdrop-filter: blur(72px) saturate(180%) contrast(0.88);
  -webkit-backdrop-filter: blur(72px) saturate(180%) contrast(0.88);
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 1) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.88) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.18) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.45) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.36) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.5) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%)
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 1) 0%,
    rgba(0, 0, 0, 1) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.88) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.18) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0.45) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.36) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
    rgba(0, 0, 0, 0) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.5) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%)
  );
  mask-size: 100% 100%;
  -webkit-mask-size: 100% 100%;
}

@media (prefers-reduced-transparency: reduce) {
  .nav::before {
    filter: brightness(0.75) contrast(0.95);
    backdrop-filter: blur(48px) saturate(170%) contrast(0.9);
    -webkit-backdrop-filter: blur(48px) saturate(170%) contrast(0.9);
    mask-image: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.92) 0%,
      rgba(0, 0, 0, 0.92) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.78) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.22) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.52) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.48) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.26) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.72) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.08) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.9) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0) 100%
    );
    -webkit-mask-image: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.92) 0%,
      rgba(0, 0, 0, 0.92) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.78) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.22) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.52) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.48) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.26) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.72) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.08) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.9) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0) 100%
    );
  }

  .nav::after {
    backdrop-filter: blur(24px) saturate(160%) contrast(0.92);
    -webkit-backdrop-filter: blur(24px) saturate(160%) contrast(0.92);
    mask-image: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.85) 0%,
      rgba(0, 0, 0, 0.85) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.4) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.28) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.42) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%)
    );
    -webkit-mask-image: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.85) 0%,
      rgba(0, 0, 0, 0.85) calc(var(--nav-scrim-overscroll-y) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0.4) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.28) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%),
      rgba(0, 0, 0, 0) calc((var(--nav-scrim-overscroll-y) + var(--nav-scrim-height) * 0.42) / (var(--nav-scrim-height) + var(--nav-scrim-overscroll-y)) * 100%)
    );
  }
}

/* Mobile-only overlay; without a base rule the <button> is visible on wide viewports (UA border / sliver). */
.nav-mobile-backdrop {
  display: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.nav-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  width: 100%;
  padding: 12px 24px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: saturate(200%) blur(24px);
  -webkit-backdrop-filter: saturate(200%) blur(24px);
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 -1px 0 rgba(255, 255, 255, 0.05);
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast);
  overflow: hidden;
}

.nav-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08) 0%,
    transparent 100%
  );
  border-radius: 9999px 9999px 0 0;
  pointer-events: none;
}

.nav.scrolled .nav-container {
  background: rgba(0, 0, 0, 0.6);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04);
}

.nav-logo,
.nav-menu,
.nav-end {
  position: relative;
  z-index: 1;
}

/* Right cluster: links + divider + lang on wide screens; lang + divider + hamburger on narrow */
.nav-end {
  display: flex;
  align-items: center;
  gap: 0;
  min-width: 0;
}

.nav-logo {
  font-size: clamp(16px, 0.2rem + 3vw, 18px);
  font-weight: 500;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: opacity 0.2s ease;
}

.nav-logo:hover {
  opacity: 0.85;
}

.nav-logo-initials {
  display: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: var(--font-size-ui);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #ffffff;
}

/* Icons only in the mobile sheet (wide nav stays text-only) */
.nav-link-icon {
  display: none;
}

.nav-divider--desktop,
.nav-divider--mobile {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.nav-divider--desktop {
  display: block;
}

.nav-divider--mobile {
  display: none;
}

.nav-lang-toggle {
  font-size: var(--font-size-small);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color 0.2s ease;
}

.nav-lang-toggle:hover {
  color: #ffffff;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-black);
  border-radius: 1px;
  transform-origin: center;
  /* Same duration + easing on transform and opacity so close mirrors open (true reverse). */
  transition:
    transform 0.26s var(--ease-out-snappy),
    opacity 0.26s var(--ease-out-snappy);
}

.nav-toggle span:nth-child(1),
.nav-toggle span:nth-child(3) {
  transform: translateY(0) rotate(0deg);
}

.nav-toggle span:nth-child(2) {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle,
.nav-lang-toggle,
.nav-logo,
.nav-links a,
.gallery-arrow,
.gallery-item,
.apps-gallery-tab,
.apps-gallery-panel-media-link,
.apps-gallery-caption,
.apps-gallery-panel-card,
.hero-cta-btn,
.demo-play,
.demo-progress-bar,
.demo-track,
.accordion-header,
.sheet-close,
.contact-sheet-social-link {
  touch-action: manipulation;
}


/* Hero Section - Sticky content with slide crossfade */
.hero {
  position: relative;
}

.hero-spacer {
  min-height: 55vh;
  pointer-events: none;
}

.hero-video {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  opacity: 1;
  transition: opacity 0.28s var(--ease-out-standard);
  pointer-events: none;
  contain: layout paint;
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: opacity;
}

.hero-video::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
  pointer-events: none;
}

.hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  padding: calc(var(--nav-height) + var(--spacing-4xl)) var(--spacing-lg) var(--spacing-4xl);
}

.hero-content {
  position: relative;
  width: 100%;
  max-width: 1600px;
  text-align: center;
}

.hero-slide {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  width: 100%;
  padding: 0 calc((var(--spacing-md) + var(--spacing-lg)) * 4);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out-standard);
  pointer-events: none;
  will-change: opacity;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.hero-title {
  font-size: clamp(64px, 12vw, 140px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
  margin: 0;
  text-shadow: 0 1px 15px rgba(0, 0, 0, 0.5);
}

.hero-line {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.95);
  margin: 0 0 var(--spacing-xl) 0;
  text-shadow: 0 1px 15px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(24px);
  animation: heroLineIntro 0.6s ease-out 1s forwards;
}

@keyframes heroLineIntro {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-line:last-child {
  margin-bottom: 0;
}

.hero-line strong {
  font-weight: 800;
}

/* Listen — bottom CTA uses .hero-cta-btn (same as hero). */
.listen-pill-wrap .hero-cta-btn {
  max-width: calc(
    100vw - 2 * var(--spacing-lg) - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)
  );
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-slide .hero-cta {
  position: relative;
  z-index: 1;
  width: 100%;
  justify-content: center;
  margin-top: var(--spacing-xl);
  opacity: 0;
  transform: translateY(24px);
  animation: heroLineIntro 0.6s ease-out 1.15s forwards;
}

.hero-cta-btn {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(16px, 0.35rem + 3vw, 18px);
  font-weight: 600;
  letter-spacing: -0.022em;
  color: #1d1d1f;
  background: rgba(255, 255, 255, 0.95);
  padding: 14px 28px;
  min-height: 48px;
  border-radius: 980px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.28);
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.hero-cta-btn:hover {
  background: #ffffff;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
  transform: scale(1.02);
}

.hero-cta-btn:active {
  transform: scale(0.98);
}

.hero-cta-btn:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 3px;
}

/* Buttons - Apple Style */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: var(--font-size-ui);
  font-weight: 500;
  text-decoration: none;
  border-radius: 980px;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-gray-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-link);
  border: 2px solid var(--color-link);
}

.btn-secondary:hover {
  background: var(--color-link);
  color: #ffffff;
}

/* Section Styles */
.section {
  padding: var(--spacing-4xl) var(--spacing-lg);
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

/* Off-screen paint skipping; exclude gallery (first below-hero section — LCP candidate). */
.section:not(.section-gallery) {
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}

.section-title {
  font-size: clamp(34px, 4.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.35;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-subtitle {
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--color-gray);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

/* Legal Page */
.legal-main {
  padding: calc(var(--nav-height) + var(--spacing-4xl)) var(--spacing-lg) var(--spacing-4xl);
  min-height: 100vh;
}

.legal-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.legal-title {
  font-size: clamp(34px, 4.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.35;
  margin-bottom: var(--spacing-2xl);
}

.legal-lead {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--color-gray-dark);
  margin-bottom: var(--spacing-lg);
}

.legal-muted {
  color: var(--color-gray-light);
  font-size: var(--font-size-small);
}

.legal-content code {
  font-family: var(--font-system);
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

.legal-content h2 {
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 600;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.legal-content h3 {
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 600;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.legal-content p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-dark);
}

.legal-content a {
  color: var(--color-link);
  text-decoration: none;
}

.legal-content a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* Accordion - Apple Wallet Q&A style */
.accordion {
  margin-top: var(--spacing-md);
}

.accordion-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.accordion-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: var(--touch-target-min);
  padding: var(--spacing-md) 0;
  background: none;
  border: none;
  color: var(--color-black);
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: opacity var(--transition-fast);
}

.accordion-header:hover {
  opacity: 0.8;
}

.accordion-icon {
  flex-shrink: 0;
  margin-left: var(--spacing-md);
  transition: transform var(--transition-smooth);
}

.accordion-item[data-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.28s var(--ease-out-snappy);
}

.accordion-item[data-expanded="true"] .accordion-content {
  max-height: 800px;
}

.accordion-content > * {
  padding-bottom: var(--spacing-sm);
}

.accordion-content .legal-muted {
  padding-bottom: 0;
}

/* Gallery Section - carousel (full-bleed rows; same bleed pattern as Work spotlight scroller) */
.section-gallery {
  overflow-x: clip;
  overflow-y: visible;
  padding-bottom: var(--spacing-xl);
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

/* Tight stack under Work spotlight: avoid default .section 4xl top padding (set via sibling rule). */
.section-apps-gallery + .section.section-gallery {
  padding-top: var(--spacing-sm);
}

.gallery-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  width: 100%;
}

.gallery-row-container {
  position: relative;
  width: 100%;
}

.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  opacity: 0;
  transition:
    background var(--transition-fast),
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.gallery-row-container:hover .gallery-arrow {
  opacity: 0.65;
}

.gallery-arrow:hover {
  opacity: 1;
}

.gallery-arrow:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-50%) scale(1.05);
}

.gallery-arrow:active:not(:disabled) {
  transform: translateY(-50%) scale(0.98);
}

.gallery-arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.gallery-arrow-prev {
  left: var(--spacing-lg);
}

.gallery-arrow-next {
  right: var(--spacing-lg);
}

/* Desktop: drag / wheel / trackpad only — no prev/next chrome (narrow viewports already hide arrows) */
@media (min-width: 901px) {
  .gallery-arrow {
    display: none !important;
  }
}

.gallery-row {
  position: relative;
  width: 100%;
  min-width: 0;
  cursor: grab;
  touch-action: pan-y pinch-zoom;
  overscroll-behavior-x: contain;
  /* First tile near the left with comfortable padding; right keeps a peek for infinite scroll (~half tile) */
  padding-left: max(16px, var(--spacing-md), env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px), calc(50% - min(200px, 47vw)));
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
  contain: layout style;
}

.gallery-row:active {
  cursor: grabbing;
}

.gallery-row-track {
  display: flex;
  gap: var(--spacing-sm);
  width: max-content;
  will-change: transform;
  contain: layout style;
}

.gallery-item {
  position: relative;
  display: block;
  flex-shrink: 0;
  width: min(
    400px,
    calc(100vw - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px))
  );
  height: auto;
  aspect-ratio: 16 / 9;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

@media (hover: hover) and (pointer: fine) {
  .gallery-item:hover {
    transform: scale(1.02);
  }
}

.gallery-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.4) 45%, transparent 100%);
  border-radius: 12px;
  pointer-events: none;
  z-index: 1;
}

.gallery-container.hovering .gallery-item:not(.focused) {
  opacity: 0.5;
}

.gallery-item-badge-new {
  position: absolute;
  top: 10px;
  left: 10px;
  right: auto;
  z-index: 3;
  padding: 5px 11px;
  font-size: var(--font-size-meta);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #c2410c;
  background: #fff3e8;
  border-radius: 8px;
  line-height: 1.2;
  pointer-events: none;
  box-shadow: 0 1px 3px rgba(180, 80, 20, 0.12);
}

.gallery-item-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md) var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  z-index: 2;
  writing-mode: horizontal-tb;
  transform: none;
}

.gallery-item-category {
  font-size: var(--font-size-meta);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.gallery-item-title {
  font-size: clamp(16px, 0.35rem + 3vw, 19px);
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.gallery-item-award {
  font-size: var(--font-size-meta);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.gallery-item-award:empty {
  display: none;
}

.gallery-item > img:not(.gallery-item-laurel) {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}

.gallery-item > picture {
  position: absolute;
  inset: 0;
  display: block;
  z-index: 0;
}

.gallery-item > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}

.gallery-item-laurel {
  position: absolute;
  bottom: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 48px;
  height: 48px;
  object-fit: contain;
  z-index: 2;
  pointer-events: none;
}

/* Phones + narrow windows: portrait tiles and tighter chrome */
@media (max-width: 900px) {
  .gallery-item {
    --gallery-cover-x: 50%;
    --gallery-cover-y: 24%;
    scroll-snap-align: start;
    width: min(
      230px,
      calc(100vw - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px))
    );
    aspect-ratio: 900 / 1273;
  }

  .gallery-item > img:not(.gallery-item-laurel),
  .gallery-item > picture > img {
    object-position: var(--gallery-cover-x) var(--gallery-cover-y);
  }

  .gallery-item-label {
    padding: var(--spacing-sm) 10px;
    gap: 3px;
  }

  .gallery-item-title {
    font-size: clamp(16px, 0.4rem + 3vw, 18px);
    line-height: 1.35;
  }

  .gallery-item-laurel {
    top: 8px;
    right: 8px;
    bottom: auto;
    left: auto;
    width: 27px;
    height: 27px;
  }

  /* Transform-based track (GPU); pan via pointer + wheel — not scrollLeft (smoother autoscroll). */
  .gallery-row {
    overflow: hidden;
    overscroll-behavior-x: contain;
    touch-action: pan-y pinch-zoom;
    contain: paint;
    /* First tile aligns to the left with comfortable padding; right keeps a peek for infinite scroll */
    padding-left: max(16px, var(--spacing-md), env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px), calc(50% - min(105px, 47vw)));
  }

  .gallery-row .gallery-item {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: none;
  }

  .gallery-row-track {
    will-change: transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }

  .gallery-arrow {
    display: flex;
    z-index: 4;
    width: 44px;
    height: 44px;
    opacity: 0.7;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .gallery-arrow:active:not(:disabled) {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-50%) scale(0.92);
  }

  .gallery-arrow-prev { left: var(--spacing-xs); }
  .gallery-arrow-next { right: var(--spacing-xs); }
}

/* Work spotlight — Apple Education “Apps for whatever you’re into” tabbed layout (below carousel) */
.section-apps-gallery {
  overflow-x: clip;
  overflow-y: visible;
  padding-top: var(--spacing-sm);
  /* JS sets --spotlight-desc-trail-gap from active description height (shorter copy → smaller gap to #gallery). */
  padding-bottom: var(--spotlight-desc-trail-gap, var(--spacing-md));
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

/* Narrow window: portrait cards + tight column (same breakpoint as gallery rows 1–2) */
@media (max-width: 900px) {
  .section-apps-gallery {
    --apps-gallery-card-width: min(
      210px,
      calc(100vw - 2 * var(--spacing-lg) - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px))
    );
  }

  .apps-gallery-scroller {
    padding-left: max(20px, env(safe-area-inset-left, 0px), calc(50% - min(105px, 47vw)));
    padding-right: max(20px, env(safe-area-inset-right, 0px), calc(50% - min(105px, 47vw)));
  }

  .apps-gallery-panel {
    flex: 0 0 var(--apps-gallery-card-width);
    width: var(--apps-gallery-card-width);
    max-width: var(--apps-gallery-card-width);
  }

  .apps-gallery-panel-card {
    width: 100%;
    max-width: 100%;
  }

  .apps-gallery-image-wrap {
    aspect-ratio: 9 / 16;
  }

  .apps-gallery-image-wrap--headshot img {
    transform: scale(1.08);
    transform-origin: center 30%;
  }

  .apps-gallery-caption {
    padding: var(--spacing-md) var(--spacing-xs) var(--spacing-lg);
    max-width: 100%;
  }

  .apps-gallery-caption-title {
    font-size: clamp(1rem, 0.35rem + 2.8vw, 1.35rem);
    line-height: 1.28;
    overflow-wrap: anywhere;
  }

  .apps-gallery-desc-shell {
    max-width: var(--apps-gallery-card-width);
  }

  .apps-gallery-desc-text {
    font-size: clamp(15px, 0.22rem + 2.2vw, 17px);
    overflow-wrap: break-word;
    hyphens: auto;
  }
}

/* Less space between Work spotlight (About) and Listen than default .section stacking */
.section-listen {
  padding-top: var(--spacing-xl);
}

/* Picker + project copy — narrow column; carousel sits full-bleed above */
.apps-gallery-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  max-width: min(680px, 100%);
  margin: 0 auto;
  padding-top: var(--spacing-xl);
  text-align: center;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  box-sizing: border-box;
}

/* Segmented control — grouped track (Apple-style capsule rail); width fits tab labels */
.apps-gallery-tabs-shell {
  display: flex;
  justify-content: flex-start;
  align-self: center;
  position: relative;
  z-index: 1;
  width: fit-content;
  max-width: 100%;
  margin: 8px auto 0;
  padding: 2px;
  border-radius: 980px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  box-sizing: border-box;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  scroll-behavior: auto;
}

.apps-gallery-tabs-shell::-webkit-scrollbar {
  display: none;
}

.apps-gallery-tabs {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: stretch;
  gap: 2px;
  padding: 0 2px;
  margin: 0;
  width: max-content;
  min-width: min-content;
}

.apps-gallery-tab {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--font-size-small);
  font-weight: 500;
  letter-spacing: -0.018em;
  color: var(--color-gray);
  background: transparent;
  padding: 7px 11px;
  border-radius: 980px;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    background var(--transition-smooth),
    color var(--transition-smooth),
    box-shadow var(--transition-smooth),
    transform var(--transition-fast);
}

.apps-gallery-tab:hover {
  color: var(--color-black);
}

.apps-gallery-tab.is-active,
.apps-gallery-tab[aria-selected="true"] {
  color: #f5f5f7;
  background: rgba(255, 255, 255, 0.16);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.apps-gallery-tab:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 3px;
}

.apps-gallery-tab:active:not([aria-selected="true"]) {
  transform: scale(0.98);
}

/* Narrow window: track flush to container; each tab stays a full pill (rounded capsule) */
@media (max-width: 900px) {
  .apps-gallery-tabs-shell {
    padding: 0;
    overflow: hidden;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .apps-gallery-tabs {
    gap: 2px;
    padding: 0 6px;
  }

  .apps-gallery-tab {
    border-radius: 980px;
    min-height: var(--touch-target-min);
    padding: 10px 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* Horizontal scroll carousel — full-width track; cards are modest size, neighbors peek in */
.apps-gallery-scroller-wrap {
  width: 100%;
  max-width: none;
  margin: 0;
  overflow: visible;
  padding: 0;
  box-sizing: border-box;
}

.apps-gallery-scroller {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 12px;
  width: 100%;
  position: relative;
  touch-action: pan-x;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  /* Programmatic scroll uses JS easing; keep auto so it doesn’t fight rAF */
  scroll-behavior: auto;
  scroll-padding-inline: max(16px, env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
  padding-top: 0;
  padding-bottom: 0;
  padding-left: max(20px, env(safe-area-inset-left, 0px), calc(50% - min(310px, 47vw)));
  padding-right: max(20px, env(safe-area-inset-right, 0px), calc(50% - min(310px, 47vw)));
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.apps-gallery-scroller::-webkit-scrollbar {
  display: none;
}

/* Programmatic scroll-to-tab — snap can fight scrollTo(); disable briefly in JS (.is-jumping) */
.apps-gallery-scroller.is-jumping {
  scroll-snap-type: none;
}

@media (prefers-reduced-motion: reduce) {
  .apps-gallery-scroller {
    scroll-behavior: auto;
  }

  .apps-gallery-tabs-shell {
    scroll-behavior: auto;
  }
}

.apps-gallery-panel {
  flex: 0 0 min(620px, calc(100% - 2rem));
  width: min(620px, calc(100% - 2rem));
  max-width: min(620px, calc(100% - 2rem));
  min-width: 0;
  box-sizing: border-box;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  touch-action: pan-x;
  opacity: 0.4;
  transition: opacity 0.45s var(--ease-out-standard);
}

.apps-gallery-panel.is-active {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .apps-gallery-panel {
    transition-duration: 0.01ms;
  }
}

.apps-gallery-panel-card {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  background: #141416;
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.06);
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth);
}

.apps-gallery-panel-card:hover {
  transform: scale(1.006);
  box-shadow:
    0 20px 56px rgba(0, 0, 0, 0.48),
    0 0 0 1px rgba(255, 255, 255, 0.09);
}

.apps-gallery-panel-media-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.apps-gallery-panel-media-link:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 3px;
  border-radius: 2px;
}

.apps-gallery-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(180deg, #1c1c1f 0%, #0d0d0f 100%);
}

.apps-gallery-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* Portrait headshot: fill the 16:9 card with cover + slight zoom for framing */
.apps-gallery-image-wrap--headshot img {
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.18);
  transform-origin: center 30%;
}

/* Wide / non–16:9 stills: show full image inside the frame (letterboxed) */
.apps-gallery-image-wrap--contain img {
  object-fit: contain;
  object-position: center center;
  transform: scale(0.8);
  transform-origin: center center;
}

.apps-gallery-caption {
  padding: var(--spacing-md) var(--spacing-sm) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.apps-gallery-caption-kicker {
  font-size: var(--font-size-meta);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray);
}

.apps-gallery-caption-title {
  font-size: var(--font-size-heading-sm);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-black);
  line-height: 1.25;
}

.apps-gallery-caption-award {
  font-size: var(--font-size-small);
  color: var(--color-gray);
  line-height: 1.45;
}

.apps-gallery-caption-award:empty {
  display: none;
}

/* Project copy — below picker tabs, crossfades between slides */
.apps-gallery-desc-shell {
  align-self: stretch;
  position: relative;
  z-index: 0;
  width: 100%;
  min-width: 0;
  margin: 0 auto;
  max-width: 38rem;
  text-align: left;
  display: block;
}

.apps-gallery-desc-text {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(16px, 0.25rem + 2.4vw, 17px);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: -0.011em;
  color: var(--color-gray-light);
  white-space: pre-line;
  opacity: 0;
  z-index: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out-standard);
}

/* Out of flow so shell height matches the active slide only (not the tallest tab). */
.apps-gallery-desc-text:not(.is-active) {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  width: 100%;
  box-sizing: border-box;
}

.apps-gallery-desc-text.is-active {
  position: relative;
  opacity: 1;
  z-index: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .apps-gallery-desc-text {
    transition-duration: 0.01ms;
  }
}


/* Listen Section (main page) */
.section-listen .about-demos {
  margin-top: var(--spacing-lg);
  padding-top: 0;
  border-top: none;
}

.listen-apple-wrap {
  display: flex;
  justify-content: center;
  padding: var(--spacing-xl) 0 0;
  margin-top: var(--spacing-md);
}

.listen-apple-music-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  opacity: 0.92;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.listen-apple-music-link:hover {
  opacity: 1;
}

.listen-apple-music-link:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 4px;
  border-radius: 6px;
}

.listen-apple-music-badge {
  height: clamp(36px, 5vw, 44px);
  width: auto;
  max-width: min(92vw, 220px);
  display: block;
}

.listen-pill-wrap {
  display: flex;
  justify-content: center;
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

/* Listen — ReelCrafter embed (replaces inline demo tracks) */
.about-demos {
  width: min(50vw, 100%);
  margin-left: auto;
  margin-right: auto;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-sizing: border-box;
}

.about-demos--reel {
  width: 100%;
  max-width: 840px;
}

.listen-reel-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.listen-reel-iframe {
  display: block;
  width: 100%;
  min-height: 480px;
  height: min(72vh, 720px);
  border: 0;
}

.about-demos-title {
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--spacing-lg);
}

.demo-track {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.demo-track:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.demo-play {
  flex-shrink: 0;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  border-radius: 50%;
  background: #0071e3;
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}

.demo-play:hover {
  background: #0077ed;
  transform: scale(1.05);
}

.demo-play:active {
  transform: scale(0.98);
}

.demo-play svg {
  width: 18px;
  height: 18px;
}

.demo-play-icon,
.demo-pause-icon {
  display: none;
}

.demo-track:not(.playing) .demo-play-icon {
  display: block;
}

.demo-track.playing .demo-pause-icon {
  display: block;
}

.demo-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.demo-title {
  font-size: var(--font-size-ui);
  font-weight: 600;
  color: var(--color-black);
}

.demo-progress-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  min-width: 0;
}

.demo-times {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}

.demo-time {
  font-size: var(--font-size-meta);
  font-variant-numeric: tabular-nums;
  color: var(--color-gray-light);
  flex-shrink: 0;
}

/* Tall hit area (44px) for touch; 5px track drawn with ::before */
.demo-progress-bar {
  width: 100%;
  min-height: var(--touch-target-min);
  padding: 0;
  background: transparent;
  border-radius: 999px;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.demo-progress-bar::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 5px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  pointer-events: none;
  z-index: 0;
}

.demo-progress-bar:hover::before {
  background: rgba(255, 255, 255, 0.35);
}

.demo-progress-fill {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 5px;
  width: 0%;
  min-width: 0;
  background: #fff;
  border-radius: 999px;
  transition: width 0.08s linear;
  flex-shrink: 0;
  z-index: 1;
  pointer-events: none;
}

/* Bottom sheet overlay (Contact) */
.sheet-overlay {
  --sheet-blur-ramp: 0.48s;
  --sheet-blur-dismiss: 0.32s;
  --sheet-blur-ease: var(--ease-out-standard);
  --sheet-panel-pop: 0.32s;
  --sheet-panel-dismiss: 0.24s;
  --sheet-panel-ease: var(--ease-out-snappy);
  --sheet-panel-dismiss-ease: cubic-bezier(0.4, 0, 1, 1);
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: center;
  padding: max(env(safe-area-inset-top), 0px) var(--spacing-lg) env(safe-area-inset-bottom);
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s linear var(--sheet-blur-dismiss);
}

.sheet-overlay.open {
  pointer-events: auto;
  visibility: visible;
  transition: visibility 0s;
}

.sheet-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(0, 0, 0, 0);
  backdrop-filter: saturate(200%) blur(0px);
  -webkit-backdrop-filter: saturate(200%) blur(0px);
  transform: translateZ(0);
  backface-visibility: hidden;
  transition:
    backdrop-filter var(--sheet-blur-ramp) var(--sheet-blur-ease),
    -webkit-backdrop-filter var(--sheet-blur-ramp) var(--sheet-blur-ease),
    background var(--sheet-blur-ramp) var(--sheet-blur-ease);
}

.sheet-overlay.open .sheet-backdrop {
  background: rgba(0, 0, 0, 0.48);
  backdrop-filter: saturate(200%) blur(24px);
  -webkit-backdrop-filter: saturate(200%) blur(24px);
}

.sheet-overlay:not(.open) .sheet-backdrop {
  transition:
    backdrop-filter var(--sheet-blur-dismiss) var(--sheet-blur-ease),
    -webkit-backdrop-filter var(--sheet-blur-dismiss) var(--sheet-blur-ease),
    background var(--sheet-blur-dismiss) var(--sheet-blur-ease);
}

.sheet-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: min(var(--max-width-wide), calc(100vw - 48px));
  max-height: min(90vh, 90dvh);
  background: rgba(22, 22, 24, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-bottom: none;
  border-radius: 20px 20px 0 0;
  box-shadow:
    0 -12px 56px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  opacity: 1;
  transform: translateY(100%);
  transition: transform var(--sheet-panel-pop) var(--sheet-panel-ease);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform-origin: 50% 100%;
  will-change: transform;
}

/* Contact sheet — dark two-column layout (editorial)
   Gold accent sampled from dominant warm band in images/screengrabs/oscars.jpg */
.sheet-panel--contact {
  --contact-gold: #a37f4b;
  --contact-gold-bright: #d9ac6c;
  --contact-gold-border: rgba(201, 165, 115, 0.88);
  max-width: min(1080px, calc(100vw - 32px));
  max-height: min(97vh, 97dvh);
  background: linear-gradient(180deg, #1a1a1e 0%, #121214 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 -16px 64px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.sheet-overlay:not(.open) .sheet-panel {
  transition: transform var(--sheet-panel-dismiss) var(--sheet-panel-dismiss-ease);
}

.sheet-overlay.open .sheet-panel {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .sheet-overlay {
    --sheet-blur-ramp: 0.01ms;
    --sheet-blur-dismiss: 0.01ms;
    --sheet-panel-pop: 0.01ms;
    --sheet-panel-dismiss: 0.01ms;
  }

  .sheet-backdrop {
    transition: none;
  }

  .sheet-overlay:not(.open) .sheet-backdrop {
    transition: none;
  }

  .sheet-overlay.open .sheet-backdrop {
    background: rgba(0, 0, 0, 0.48);
    backdrop-filter: saturate(200%) blur(24px);
    -webkit-backdrop-filter: saturate(200%) blur(24px);
  }

  .sheet-panel {
    transform: none;
    will-change: auto;
  }

  .sheet-overlay.open .sheet-panel {
    transform: translateY(0);
  }
}

.sheet-close {
  position: absolute;
  top: clamp(var(--spacing-sm), 2vw, var(--spacing-md));
  right: clamp(var(--spacing-sm), 2vw, var(--spacing-md));
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background 0.2s ease;
}

.sheet-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

.sheet-content {
  flex: 1;
  min-height: 0;
  padding: clamp(var(--spacing-xl), 5vw, var(--spacing-4xl)) clamp(var(--spacing-md), 4vw, var(--spacing-xl)) clamp(var(--spacing-xl), 4vw, var(--spacing-3xl));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  text-align: center;
}

.sheet-content--contact {
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 2.75rem);
  text-align: left;
  overflow-x: hidden;
}

.contact-sheet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  max-width: 100%;
}

.contact-sheet-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
  min-width: 0;
  padding-top: clamp(0.125rem, 0.5vw, 0.35rem);
}

.contact-sheet-lead {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
  color: #7B82B8;
  margin: 0;
  max-width: none;
  white-space: pre-line;
}

/* Outlined pill CTA — same pattern as apple.com/education/success-stories/ “Read the story”; fill white / text black */
.contact-sheet-cta {
  align-self: flex-start;
  margin-top: clamp(0.15rem, 0.75vw, 0.5rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-height: 44px;
  padding: 0 22px;
  font-family: var(--font-display);
  font-size: var(--font-size-ui);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.17647;
  color: #1d1d1f;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
  background: #ffffff;
  border: 1px solid #1d1d1f;
  border-radius: 980px;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.contact-sheet-cta:hover {
  background: #f5f5f7;
  color: #1d1d1f;
  border-color: #1d1d1f;
}

.contact-sheet-cta:active {
  background: #e8e8ed;
}

.contact-sheet-cta:focus-visible {
  outline: 2px solid var(--contact-gold);
  outline-offset: 3px;
}

.contact-sheet-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(0.35rem, 1.5vw, 0.5rem);
  margin-top: clamp(1rem, 3vw, 1.5rem);
  padding-top: clamp(0.75rem, 2vw, 1.125rem);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-sheet-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: inherit;
  text-decoration: none;
  transition:
    background-color 0.2s ease,
    transform 0.2s ease,
    opacity 0.2s ease;
}

.contact-sheet-social-link:hover {
  background: rgba(163, 127, 75, 0.2);
}

.contact-sheet-social-link:active {
  transform: scale(0.94);
}

.contact-sheet-social-link:focus-visible {
  outline: 2px solid var(--contact-gold);
  outline-offset: 2px;
}

.contact-sheet-social-img {
  width: 22px;
  height: 22px;
  display: block;
  opacity: 0.92;
  pointer-events: none;
}

.contact-sheet-social-link:hover .contact-sheet-social-img {
  opacity: 1;
}

.contact-sheet-media {
  position: relative;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  max-height: min(64vh, 560px);
  aspect-ratio: 3 / 4;
  height: auto;
  border-radius: clamp(32px, 4.5vw, 44px);
  overflow: hidden;
  background: #0d0d0f;
  box-shadow:
    0 12px 48px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.contact-sheet-media img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

@media (max-width: 734px) {
  .contact-sheet-grid {
    grid-template-columns: 1fr;
    gap: clamp(1.5rem, 4vw, 2rem);
  }

  .contact-sheet-media {
    width: 100%;
    max-height: min(52vh, 420px);
    border-radius: clamp(28px, 6vw, 40px);
  }

  .contact-sheet-lead {
    font-size: clamp(1.65rem, 7vw, 2.35rem);
  }
}

@media (max-height: 640px) {
  .sheet-content--contact {
    padding: var(--spacing-md) var(--spacing-md);
  }

  .contact-sheet-copy {
    gap: var(--spacing-sm);
  }

  .contact-sheet-lead {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    line-height: 1.1;
  }

  .contact-sheet-media {
    max-height: min(32vh, 240px);
    border-radius: clamp(22px, 3vw, 32px);
  }

  .contact-sheet-cta {
    min-height: 40px;
    padding: 0 18px;
    font-size: var(--font-size-small);
    line-height: 1.28571;
  }

  .contact-sheet-social {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    gap: 0.2rem;
  }

  .contact-sheet-social-link {
    width: 40px;
    height: 40px;
  }

  .contact-sheet-social-img {
    width: 20px;
    height: 20px;
  }
}

/* Footer — full-width grey band; hairline only spans content width (cf. apple.com product footers) */
.footer {
  background: var(--footer-bg);
  border-top: none;
  padding: 0;
}

.footer-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--footer-border);
  box-sizing: border-box;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--spacing-xs) var(--spacing-lg);
  padding-bottom: var(--spacing-xs);
  font-size: 12px;
  color: var(--color-gray-light);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  padding-top: var(--spacing-xs);
  font-size: 12px;
  color: var(--color-gray-light);
}

.footer-links a {
  color: var(--color-gray-light);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: 0 0.6em;
}

.footer-links a:first-child {
  padding-left: 0;
}

.footer-links a:hover {
  color: var(--color-gray);
  text-decoration: underline;
}

.footer-sep {
  color: var(--color-gray-light);
  opacity: 0.4;
  user-select: none;
  font-size: 11px;
}

.footer-copyright,
.footer-location {
  color: var(--color-gray-light);
}

/* Respect reduced motion preference - improves perf & accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-line {
    animation-delay: 0s;
  }
}

/* Responsive - Mobile / Touch */
@media (max-width: 734px) {
  .section {
    padding: var(--spacing-2xl) max(var(--spacing-md), env(safe-area-inset-left, 0px))
      var(--spacing-2xl) max(var(--spacing-md), env(safe-area-inset-right, 0px));
  }

  /* Full-bleed carousel: .section mobile padding would shrink gallery width — keep rows viewport-wide */
  .section.section-gallery {
    padding-left: 0;
    padding-right: 0;
    padding-bottom: var(--spacing-md);
  }

  .section-apps-gallery {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spotlight-desc-trail-gap, var(--spacing-sm));
    padding-left: 0;
    padding-right: 0;
  }

  .section-listen {
    padding-top: var(--spacing-lg);
  }

  .apps-gallery-inner {
    padding-left: max(var(--spacing-md), env(safe-area-inset-left, 0px));
    padding-right: max(var(--spacing-md), env(safe-area-inset-right, 0px));
  }

  .apps-gallery-desc-shell {
    max-width: 100%;
  }

  .apps-gallery-desc-text {
    font-size: clamp(16px, 0.3rem + 3.2vw, 18px);
    line-height: 1.65;
  }

  .footer-inner {
    padding-left: max(var(--spacing-md), env(safe-area-inset-left, 0px));
    padding-right: max(var(--spacing-md), env(safe-area-inset-right, 0px));
    padding-bottom: max(var(--spacing-lg), env(safe-area-inset-bottom, 0px));
  }

  .listen-pill-wrap .hero-cta-btn {
    max-width: calc(
      100vw - 2 * var(--spacing-md) - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)
    );
  }

  .hero-sticky {
    padding-left: max(var(--spacing-md), env(safe-area-inset-left, 0px));
    padding-right: max(var(--spacing-md), env(safe-area-inset-right, 0px));
    padding-top: calc(var(--nav-height) + var(--spacing-xl));
    padding-bottom: var(--spacing-2xl);
  }

  .hero-slide {
    padding: 0 max(var(--spacing-md), env(safe-area-inset-left, 0px)) 0 max(var(--spacing-md), env(safe-area-inset-right, 0px));
  }

  .hero-line {
    font-size: clamp(32px, 8.25vw, 54px);
    line-height: 1.38;
  }

  .hero-cta-btn {
    font-size: clamp(18px, 0.45rem + 3.8vw, 22px);
    padding: 16px 32px;
    min-height: 52px;
  }

  /* Dim + blur: opacity/backdrop animate both open and close (no display toggle) */
  .nav-mobile-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10010;
    margin: 0;
    padding: 0;
    border: 0;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition:
      opacity 0.28s var(--ease-out-standard),
      background 0.28s var(--ease-out-standard),
      backdrop-filter 0.32s var(--ease-out-standard),
      -webkit-backdrop-filter 0.32s var(--ease-out-standard);
  }

  .nav.open .nav-mobile-backdrop {
    opacity: 1;
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .nav.open .nav-container {
    position: relative;
    z-index: 10015;
    overflow: visible;
  }

  .nav-logo {
    display: flex;
  }

  .nav-logo-full {
    display: none;
  }

  .nav-logo-initials {
    display: inline;
  }

  .nav-divider--desktop {
    display: none;
  }

  .nav-divider--mobile {
    display: none;
  }

  .nav-end {
    gap: 4px;
    flex-shrink: 0;
    align-items: center;
  }

  .nav-links {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    position: static;
    padding: 0;
    margin: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    border: none;
    box-shadow: none;
    z-index: auto;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
  }

  .nav.open .nav-links {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
  }

  .nav-links a {
    padding: 0;
    font-size: 0;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    border-radius: 50%;
    margin: 0;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.2s ease;
  }

  .nav-links a > span:not(.nav-link-icon) {
    display: none;
  }

  .nav-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    color: rgba(255, 255, 255, 0.85);
  }

  .nav-link-icon svg {
    display: block;
    width: 22px;
    height: 22px;
  }

  .nav-links a:active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
  }

  .nav-toggle {
    display: none !important;
    margin-left: 0;
    flex-shrink: 0;
    border-radius: 12px;
  }

  /* Open: middle stroke shrinks first, then outer lines rotate into X (reverse on close). */
  .nav.open .nav-toggle span:nth-child(1),
  .nav.open .nav-toggle span:nth-child(3) {
    transition-delay: 0.12s;
  }

  .nav.open .nav-toggle span:nth-child(2) {
    transition-delay: 0s;
  }

  .nav.nav-has-opened:not(.open) .nav-toggle span:nth-child(1),
  .nav.nav-has-opened:not(.open) .nav-toggle span:nth-child(3) {
    transition-delay: 0s;
  }

  .nav.nav-has-opened:not(.open) .nav-toggle span:nth-child(2) {
    transition-delay: 0.12s;
  }

  /* Hamburger → X (Apple-style morph) */
  .nav.open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav.open .nav-toggle span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .nav.open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-toggle:focus-visible {
    outline: 2px solid var(--color-link);
    outline-offset: 2px;
  }

  @media (prefers-reduced-motion: reduce) {
    .nav-mobile-backdrop {
      transition-duration: 0.01ms !important;
    }

    .nav.open .nav-mobile-backdrop {
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }

    .nav-toggle span {
      transition-duration: 0.01ms !important;
      transition-delay: 0s !important;
    }

    .nav-links {
      transition-duration: 0.01ms !important;
    }

    .nav.open .nav-links {
      opacity: 1;
      transform: none;
    }
  }

  .nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }

  .nav-container {
    padding-left: max(12px, env(safe-area-inset-left, 0px));
    padding-right: max(12px, env(safe-area-inset-right, 0px));
  }

  .nav-lang-toggle {
    min-height: 44px;
    min-width: 44px;
    padding: 10px 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .about-demos {
    width: 100%;
    max-width: 100%;
  }

  .gallery-arrow {
    width: 44px;
    height: 44px;
    opacity: 0.75;
  }

  .gallery-row-container:hover .gallery-arrow,
  .gallery-row-container:focus-within .gallery-arrow {
    opacity: 0.75;
  }

  .gallery-arrow:hover {
    opacity: 1;
  }

  .gallery-arrow-prev {
    left: var(--spacing-sm);
  }

  .gallery-arrow-next {
    right: var(--spacing-sm);
  }

  .apps-gallery-tabs-shell {
    justify-content: flex-start;
    align-self: stretch;
    width: 100%;
    max-width: 100%;
    margin-left: calc(-1 * var(--spacing-sm));
    margin-right: calc(-1 * var(--spacing-sm));
    padding: 0;
    padding-left: max(var(--spacing-sm), env(safe-area-inset-left, 0px));
    padding-right: max(var(--spacing-sm), env(safe-area-inset-right, 0px));
    box-sizing: border-box;
  }

  .apps-gallery-tabs {
    justify-content: flex-start;
    margin-left: 0;
    margin-right: 0;
    padding: 0 4px;
  }

  .apps-gallery-tab {
    flex-shrink: 0;
    min-height: var(--touch-target-min);
    padding: 8px 10px;
  }

}

/* Hero — short viewports (typical mobile landscape): scale copy to height, tighten chrome, boost contrast */
@media (max-width: 900px) and (max-height: 520px) {
  .hero-sticky {
    padding-top: calc(var(--nav-height) + var(--spacing-sm));
    padding-bottom: var(--spacing-sm);
    padding-left: max(12px, env(safe-area-inset-left, 0px));
    padding-right: max(12px, env(safe-area-inset-right, 0px));
    align-items: center;
  }

  .hero-slide {
    padding-left: max(12px, env(safe-area-inset-left, 0px));
    padding-right: max(12px, env(safe-area-inset-right, 0px));
  }

  .hero-line {
    font-size: clamp(17px, 4.5vmin, 28px);
    line-height: 1.32;
    margin-bottom: var(--spacing-sm);
    text-shadow:
      0 1px 2px rgba(0, 0, 0, 0.85),
      0 2px 16px rgba(0, 0, 0, 0.55);
  }

  .hero-slide .hero-cta {
    margin-top: var(--spacing-sm);
  }

  .hero-cta-btn {
    font-size: clamp(14px, 3.2vmin, 17px);
    padding: 10px 20px;
    min-height: 44px;
  }

  .hero-video::after {
    background: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.42) 0%,
      rgba(0, 0, 0, 0.78) 100%
    );
  }
}