/* ==========================================================================
  Muslim Pedia — Design System & Styles
  ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Brand Colors */
  --color-primary: #10b981;
  --color-secondary: #0d9488;
  --color-accent: #3b82f6;
  --color-highlight: #8b5cf6;
  --color-warm: #f59e0b;

  /* Feature Accents */
  --color-ask: #8b5cf6;
  --color-find: #3b82f6;
  --color-browse: #0d9488;
  --color-read: #1e3a8a;
  --color-save: #f59e0b;
  --color-customize: #7c3aed;
  --color-discover: #059669;

  /* Surfaces */
  --bg-body: #fafbff;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --bg-dark: #0f172a;

  /* Gradients */
  --gradient-hero: linear-gradient(170deg, #f0f4ff 0%, #fafbff 30%, #f5f0ff 60%, #f0fdf4 100%);
  --gradient-brand: linear-gradient(135deg, #10b981, #0d9488, #3b82f6);
  --gradient-decorative: linear-gradient(90deg, #10b981, #3b82f6, #8b5cf6);
  --gradient-cta: linear-gradient(135deg, #10b981 0%, #0d9488 100%);

  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-inverse: #ffffff;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-phone: 0 25px 60px rgba(0, 0, 0, 0.25);
  --shadow-glow-primary: 0 0 60px rgba(16, 185, 129, 0.15);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container: 1200px;
  --gutter: 1.5rem;
  --nav-height: 4.5rem;
  --section-gap: 7rem;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p {
  color: var(--text-secondary);
  max-width: 60ch;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--section-gap) 0;
}

.section--alt {
  background: var(--bg-surface-alt);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  margin: 0 auto;
  font-size: 1.0625rem;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-4);
}

/* --------------------------------------------------------------------------
   5. Navigation
   -------------------------------------------------------------------------- */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  transition: background var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              backdrop-filter var(--duration-base) var(--ease-out);
}

.navbar--scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar--solid {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  z-index: 1001;
}

.nav-brand img {
  width: 48px;
  height: 48px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a.nav-link--active {
  color: var(--text-primary);
}

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--duration-base) var(--ease-out);
}

.nav-links a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-links a.nav-link--active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--gradient-cta);
  color: var(--text-inverse) !important;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--duration-base), opacity var(--duration-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --------------------------------------------------------------------------
   6. Buttons & Store Badges
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-lg);
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.68;
  transform: none;
  box-shadow: none;
}

.btn--primary {
  background: var(--gradient-cta);
  color: var(--text-inverse);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn--secondary {
  background: rgba(15, 23, 42, 0.04);
  color: var(--text-primary);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.btn--secondary:hover {
  background: rgba(15, 23, 42, 0.08);
}

.store-badges {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  background: var(--text-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast),
              background var(--duration-fast);
}

.store-badge:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  background: #1e293b;
}

.store-badge img {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
}

.store-badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-align: left;
}

.store-badge-text .store-badge-sub {
  font-size: 0.6875rem;
  font-weight: 400;
  opacity: 0.85;
}

.store-badge-text .store-badge-main {
  font-size: 1.125rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   7. Phone Mockup
   -------------------------------------------------------------------------- */

.phone-mockup {
  position: relative;
  width: 280px;
  margin: 0 auto;
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.15));
  transform-origin: center center;
}

.phone-frame {
  position: relative;
  overflow: visible;
}

.phone-device {
  position: relative;
  width: 100%;
  display: block;
  z-index: 2;
  pointer-events: none;
}

.phone-screenshot {
  position: absolute;
  top: 2.2%;
  left: 5.1%;
  width: 89.8%;
  z-index: 1;
  border-radius: 6.5%;
}

.phone-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130%;
  height: 130%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-color, rgba(16, 185, 129, 0.1)) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.promo-section--active .phone-glow {
  animation: phone-glow-pulse 4.8s ease-in-out infinite;
}

.phone-screen-layer,
.phone-screen-fx {
  position: absolute;
  top: 2.2%;
  left: 5.1%;
  width: 89.8%;
  height: 95.6%;
  border-radius: 6.5%;
  pointer-events: none;
}

.phone-screen-layer {
  overflow: hidden;
  z-index: 1;
}

.phone-screen-fx {
  overflow: visible;
  z-index: 3;
}

.phone-screen-clone {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

[data-screen-animation] {
  will-change: transform;
}

.promo-section--active [data-screen-animation] {
  animation: phone-float 5.8s ease-in-out infinite;
}

[data-screen-animation="voice-wave"],
[data-screen-animation="search-summary"],
[data-screen-animation="qibla-compass"] {
  animation-delay: -1.1s;
}

[data-screen-animation="categories-reveal"],
[data-screen-animation="quran-magnifier"] {
  animation-delay: -2.2s;
}

.phone-home-overlay__dim {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle 18% at 50% 90%, transparent 0%, transparent 46%, rgba(8, 27, 22, 0.58) 64%, rgba(8, 27, 22, 0.58) 100%);
  opacity: 0;
}

.phone-home-overlay__ring,
.phone-home-overlay__ripple {
  position: absolute;
  left: 50%;
  top: 90%;
  width: 37%;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
}

.phone-home-overlay__ring {
  border: 2px solid rgba(16, 185, 129, 0.85);
  box-shadow: 0 0 22px rgba(16, 185, 129, 0.4), inset 0 0 10px rgba(16, 185, 129, 0.15);
}

.phone-home-overlay__ripple {
  border: 2px solid rgba(16, 185, 129, 0.6);
}

.phone-home-overlay__label {
  position: absolute;
  left: 50%;
  top: 67%;
  transform: translate(-50%, 10px);
  padding: 0.7rem 1rem;
  border-radius: 1rem;
  background: rgba(5, 46, 32, 0.84);
  border: 1px solid rgba(16, 185, 129, 0.55);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22), 0 0 18px rgba(16, 185, 129, 0.24);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0;
}

.phone-voice-overlay__mask {
  position: absolute;
  left: 0;
  top: 36%;
  width: 100%;
  height: 24%;
  background: #fff;
}

.phone-wave-bars {
  position: absolute;
  left: 9%;
  top: 42.5%;
  width: 82%;
  height: 10.5%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1%;
}

.phone-wave-bar {
  flex: 1 1 0;
  min-height: 4%;
  border-radius: 999px;
  transform-origin: center center;
  will-change: transform, background-color, box-shadow;
}

.phone-voice-prompt {
  position: absolute;
  top: 28%;
  left: 50%;
  transform: translate(-50%, 10px);
  opacity: 0;
}

.phone-voice-prompt__bubble {
  background: rgba(68, 151, 112, 0.12);
  backdrop-filter: blur(12px);
  border-radius: 1rem;
  padding: 0.7rem 1rem;
  border: 1px solid rgba(68, 151, 112, 0.25);
  box-shadow: 0 4px 20px rgba(68, 151, 112, 0.15);
}

.phone-voice-prompt__text {
  font-size: 0.9rem;
  font-weight: 600;
  color: #044527;
  direction: rtl;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.phone-summary-dim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
  border-radius: 6.5%;
  opacity: 0;
}

.phone-summary-popup {
  position: absolute;
  opacity: 0;
  padding: 2px;
  border-radius: 18px;
  background: conic-gradient(from 0deg, #3b82f6, #8b5cf6, #ec4899, #f59e0b, #10b981, #3b82f6);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.35), 0 0 40px rgba(139, 92, 246, 0.18);
  transform-origin: center center;
}

.phone-summary-popup__inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}

.phone-summary-popup__inner img {
  position: absolute;
}

.phone-slice-mask {
  position: absolute;
  left: 0;
  width: 100%;
  background: #fff;
  z-index: 0;
}

.phone-slice {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(22px) scale(0.94);
  transform-origin: center top;
  will-change: transform, opacity;
}

.phone-slice img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-quran-overlay {
  overflow: hidden;
}

.phone-magnifier {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(30, 58, 138, 0.5);
  box-shadow: 0 4px 24px rgba(30, 58, 138, 0.25);
  opacity: 0;
}

.phone-magnifier__img {
  position: absolute;
}

.phone-compass-overlay {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.phone-compass-overlay img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes phone-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes phone-glow-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.98);
    opacity: 0.88;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.06);
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   8. Hero Section
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -15%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  max-width: 540px;
}

.hero-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-logo img {
  width: 96px;
  height: 96px;
}

.hero-logo span {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hero-title {
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--space-10);
  color: var(--text-secondary);
}

.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-visual .phone-mockup {
  width: 300px;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce-scroll 2s ease-in-out infinite;
}

.scroll-indicator svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-tertiary);
  fill: none;
  stroke-width: 2;
}

@keyframes bounce-scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --------------------------------------------------------------------------
   9. Video Section
   -------------------------------------------------------------------------- */

.video-section {
  padding: var(--section-gap) 0;
  background: var(--bg-surface);
}

.video-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: #000;
  aspect-ratio: 9 / 16;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: background var(--duration-base), opacity var(--duration-base);
}

.video-overlay:hover {
  background: rgba(0, 0, 0, 0.2);
}

.video-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.play-btn {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  transition: transform var(--duration-base) var(--ease-spring),
              box-shadow var(--duration-base);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.play-btn svg {
  width: 28px;
  height: 28px;
  fill: var(--color-primary);
  margin-left: 3px;
}

.video-overlay:hover .play-btn {
  transform: scale(1.08);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.25);
}

.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3) var(--space-5);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  display: flex;
  align-items: center;
  gap: var(--space-3);
  opacity: 0;
  transition: opacity var(--duration-base);
}

.video-wrapper:hover .video-controls,
.video-wrapper.playing .video-controls {
  opacity: 1;
}

.video-controls button {
  color: white;
  padding: var(--space-1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-controls svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.video-progress {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.video-progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  width: 0%;
  transition: width 100ms linear;
}

.video-time {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   10. Feature Sections
   -------------------------------------------------------------------------- */

.feature-section {
  padding: var(--section-gap) 0;
  position: relative;
  overflow: hidden;
}

.feature-section:nth-child(even of .feature-section) {
  background: var(--bg-surface-alt);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.feature-grid--reversed .feature-content {
  order: 2;
}

.feature-grid--reversed .feature-visual {
  order: 1;
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  margin-bottom: var(--space-6);
}

.feature-title {
  margin-bottom: var(--space-4);
}

.feature-description {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.feature-list li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

/* Find section — hero feature spotlight */
.feature-section--hero {
  padding: var(--space-32) 0;
  background: linear-gradient(170deg, #eff6ff 0%, #fafbff 50%, #f0f4ff 100%);
}

.feature-section--hero .feature-grid {
  gap: var(--space-12);
}

.feature-section--hero .feature-visual {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
}

.feature-section--hero .phone-mockup {
  width: 270px;
}

.feature-section--hero::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.feature-section--hero::after {
  content: '';
  position: absolute;
  bottom: 5%;
  left: -5%;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   11. Themes Section
   -------------------------------------------------------------------------- */

.themes-showcase {
  display: flex;
  justify-content: center;
  margin-top: var(--space-10);
}

.themes-showcase .phone-mockup {
  width: 285px;
}

/* --------------------------------------------------------------------------
   12. Privacy Trust Section
   -------------------------------------------------------------------------- */

.trust-section {
  padding: var(--section-gap) 0;
  text-align: center;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.trust-card {
  padding: var(--space-8);
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base);
}

.trust-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.trust-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.trust-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 1.5;
}

.trust-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-3);
  font-family: var(--font-body);
  font-weight: 700;
}

.trust-card p {
  font-size: 0.9375rem;
  margin: 0 auto;
  max-width: 30ch;
}

/* --------------------------------------------------------------------------
   13. Support Section
   -------------------------------------------------------------------------- */

.support-section {
  padding: var(--section-gap) 0;
}

.support-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr) auto;
  gap: var(--space-8);
  align-items: end;
  padding: var(--space-12);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(16, 185, 129, 0.08);
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.14), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(240, 253, 244, 0.95));
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.support-shell::before {
  content: '';
  position: absolute;
  inset: auto -6% -35% auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
  pointer-events: none;
}

.support-copy,
.support-highlights,
.support-actions {
  position: relative;
  z-index: 1;
}

.support-copy h2 {
  margin: var(--space-4) 0;
}

.support-copy p {
  max-width: 44ch;
}

.support-highlights {
  display: grid;
  gap: var(--space-4);
}

.support-highlight {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.support-highlight strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.95rem;
}

.support-highlight span {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.support-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.support-action {
  min-width: 240px;
}

.support-actions p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 28ch;
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */

.faq-section {
  padding: var(--section-gap) 0;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-4);
}

.faq-item {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
  transition: box-shadow var(--duration-base), border-color var(--duration-base), transform var(--duration-base) var(--ease-out);
}

.faq-item[open] {
  border-color: rgba(16, 185, 129, 0.18);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  position: relative;
  list-style: none;
  padding: var(--space-5) var(--space-6);
  padding-right: calc(var(--space-12) + var(--space-2));
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

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

.faq-item summary::after {
  content: '+';
  position: absolute;
  top: 50%;
  right: var(--space-6);
  transform: translateY(-50%);
  width: 1.9rem;
  height: 1.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.08);
  color: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 600;
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item summary:focus-visible {
  outline: 3px solid rgba(16, 185, 129, 0.18);
  outline-offset: -3px;
}

.faq-item p {
  padding: 0 var(--space-6) var(--space-6);
  max-width: none;
}

/* --------------------------------------------------------------------------
   14. CTA Section
   -------------------------------------------------------------------------- */

.cta-section {
  padding: var(--section-gap) 0;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  margin-bottom: var(--space-4);
}

.cta-section p {
  margin: 0 auto var(--space-10);
  font-size: 1.125rem;
}

.cta-section .store-badges {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   15. Donation Prompt
   -------------------------------------------------------------------------- */

body.modal-open {
  overflow: hidden;
}

.donation-prompt-backdrop[hidden] {
  display: none !important;
}

.donation-prompt-backdrop {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: rgba(15, 23, 42, 0.48);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
  z-index: 1200;
}

.donation-prompt-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.donation-prompt {
  width: min(100%, 34rem);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(16, 185, 129, 0.12);
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.16), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(240, 253, 244, 0.96));
  box-shadow: var(--shadow-xl);
  transform: translateY(18px) scale(0.98);
  transition: transform var(--duration-base) var(--ease-out);
}

.donation-prompt-backdrop.is-visible .donation-prompt {
  transform: translateY(0) scale(1);
}

.donation-prompt-kicker {
  margin-bottom: var(--space-3);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-warm);
}

.donation-prompt h2 {
  margin-bottom: var(--space-4);
}

.donation-prompt p {
  max-width: none;
}

.donation-prompt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.donation-prompt-secondary {
  background: white;
}

/* --------------------------------------------------------------------------
   16. Donation Page
   -------------------------------------------------------------------------- */

.donate-page {
  min-height: 100vh;
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--section-gap);
  background:
    radial-gradient(circle at top left, rgba(16, 185, 129, 0.08), transparent 28%),
    linear-gradient(180deg, #f9fbff 0%, #f4fff9 24%, #fafbff 100%);
}

.donate-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: var(--space-10);
  align-items: start;
}

.donate-story {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

.donate-story h1 {
  margin: var(--space-4) 0;
  max-width: 15ch;
  text-wrap: balance;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

.donate-headline-brand {
  white-space: nowrap;
}

.donate-story > p {
  margin-bottom: var(--space-8);
  font-size: 1.0625rem;
  max-width: 46ch;
}

.donate-story-grid {
  display: grid;
  gap: var(--space-4);
}

.donate-story-card {
  text-align: left;
}

.donate-story-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.donate-story-card strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 1rem;
}

.donate-story-card p {
  max-width: none;
  font-size: 0.95rem;
}

.donation-card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
}

.donation-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), transparent 22%);
  pointer-events: none;
}

.donation-card > * {
  position: relative;
  z-index: 1;
}

.donation-message-card {
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.12), transparent 36%),
    linear-gradient(135deg, rgba(240, 253, 244, 1), rgba(255, 255, 255, 0.98));
  border: 1px solid rgba(16, 185, 129, 0.12);
}

.donation-message-eyebrow {
  margin-bottom: var(--space-3);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-warm);
}

.donation-message-card h2 {
  margin-bottom: var(--space-3);
}

.donation-message-card p:last-child {
  max-width: none;
}

.donation-status {
  margin-bottom: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  border: 1px solid transparent;
}

.donation-status--info {
  background: rgba(59, 130, 246, 0.08);
  color: #1d4ed8;
  border-color: rgba(59, 130, 246, 0.14);
}

.donation-status--warning {
  background: rgba(245, 158, 11, 0.1);
  color: #b45309;
  border-color: rgba(245, 158, 11, 0.16);
}

.donation-status--success {
  background: rgba(16, 185, 129, 0.1);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.16);
}

.donation-field {
  margin-bottom: var(--space-6);
}

.donation-field label,
.donation-field-heading {
  display: block;
  margin-bottom: var(--space-3);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.donation-select-wrap {
  position: relative;
}

.donation-select-wrap::after {
  content: '\25BE';
  position: absolute;
  top: 50%;
  right: var(--space-4);
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.donation-select-wrap select {
  width: 100%;
  appearance: none;
  padding: var(--space-4) var(--space-12) var(--space-4) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: white;
  color: var(--text-primary);
  box-shadow: var(--shadow-subtle);
}

.donation-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-1);
  padding: var(--space-1);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(15, 23, 42, 0.04);
}

.donation-toggle-btn {
  padding: var(--space-4) var(--space-5);
  border-radius: calc(var(--radius-xl) - 0.25rem);
  color: var(--text-secondary);
  font-weight: 600;
  transition: background var(--duration-fast), color var(--duration-fast), box-shadow var(--duration-fast);
}

.donation-toggle-btn.is-active {
  background: white;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.recurring-note {
  margin-top: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(16, 185, 129, 0.08);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: none;
}

.amount-chip-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-3);
}

.amount-chip {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: white;
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-subtle);
  transition: transform var(--duration-fast), box-shadow var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast), color var(--duration-fast);
}

.amount-chip:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.amount-chip.is-active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(13, 148, 136, 0.2);
}

.custom-amount-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: white;
  box-shadow: var(--shadow-subtle);
}

.currency-symbol {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.custom-amount-wrap input {
  flex: 1;
  padding: var(--space-4) 0;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.0625rem;
}

.donation-error {
  margin-top: var(--space-3);
  color: #b91c1c;
  font-size: 0.9375rem;
}

.donate-button {
  width: 100%;
  min-height: 3.5rem;
}

.security-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.035);
  color: var(--text-secondary);
  text-align: center;
  font-size: 0.9375rem;
}

.security-notice svg {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
  fill: currentColor;
}

.donation-select-wrap select:focus-visible,
.donation-toggle-btn:focus-visible,
.amount-chip:focus-visible,
.donate-button:focus-visible,
.support-action:focus-visible,
.donation-prompt-actions .btn:focus-visible {
  outline: 3px solid rgba(16, 185, 129, 0.18);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */

.footer {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

.footer-brand img {
  width: 48px;
  height: 48px;
}

.footer-description {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  max-width: 35ch;
}

.footer h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--duration-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.social-link:hover {
  background: var(--color-primary);
  color: white;
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--duration-fast);
}

.footer-bottom a:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
  18. Back to Top
   -------------------------------------------------------------------------- */

.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--duration-base), visibility var(--duration-base), transform var(--duration-base);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-secondary);
  fill: none;
  stroke-width: 2;
}

/* --------------------------------------------------------------------------
  19. Scroll Reveal Animations
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }
.reveal--delay-5 { transition-delay: 500ms; }

.reveal--left {
  transform: translateX(-30px);
}

.reveal--left.reveal--visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(30px);
}

.reveal--right.reveal--visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.95);
}

.reveal--scale.reveal--visible {
  transform: scale(1);
}

/* --------------------------------------------------------------------------
  20. Privacy Page
   -------------------------------------------------------------------------- */

.privacy-page {
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--section-gap);
  min-height: 100vh;
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-8);
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.prose {
  max-width: 72ch;
}

.prose h1 {
  margin-bottom: var(--space-8);
}

.prose h2 {
  font-size: 1.5rem;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.prose p {
  margin-bottom: var(--space-4);
  max-width: none;
}

.prose a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   18. Download Fallback
   -------------------------------------------------------------------------- */

.download-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  background: var(--gradient-hero);
}

.download-fallback .container {
  max-width: 480px;
}

.download-fallback img {
  margin: 0 auto var(--space-6);
}

.download-fallback h1 {
  margin-bottom: var(--space-4);
}

.download-fallback p {
  margin: 0 auto var(--space-8);
}

.download-fallback .store-badges {
  justify-content: center;
  margin-bottom: var(--space-8);
}

.download-fallback .back-link {
  color: var(--color-primary);
  font-weight: 500;
}

.download-fallback .back-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   19. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  :root {
    --section-gap: 5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-12);
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-content p,
  .hero-tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero .store-badges {
    justify-content: center;
  }

  .hero-visual .phone-mockup {
    width: 260px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-10);
  }

  .feature-grid--reversed .feature-content,
  .feature-grid--reversed .feature-visual {
    order: unset;
  }

  .feature-content p,
  .feature-description {
    margin-left: auto;
    margin-right: auto;
  }

  .feature-list {
    align-items: center;
  }

  .feature-section--hero .feature-visual {
    justify-content: center;
  }

  .themes-showcase .phone-mockup {
    width: 270px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .support-shell,
  .donate-shell {
    grid-template-columns: 1fr;
  }

  .donate-story {
    position: static;
    text-align: center;
  }

  .donate-story h1 {
    margin-left: auto;
    margin-right: auto;
  }

  .donate-story > p {
    margin-left: auto;
    margin-right: auto;
  }

  .donate-story-grid {
    margin-left: auto;
    margin-right: auto;
  }

  .amount-chip-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 4rem;
    --gutter: 1.25rem;
    --nav-height: 4rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    background: var(--bg-surface);
    padding: calc(var(--nav-height) + var(--space-8)) var(--space-8) var(--space-8);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    transition: right var(--duration-slow) var(--ease-out);
    gap: var(--space-4);
    z-index: 1000;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-12);
  }

  .faq-item summary {
    padding: var(--space-4) var(--space-5);
    padding-right: calc(var(--space-10) + var(--space-2));
    font-size: 0.95rem;
  }

  .faq-item summary::after {
    right: var(--space-5);
  }

  .faq-item p {
    padding: 0 var(--space-5) var(--space-5);
  }

  .hero-visual .phone-mockup {
    width: 240px;
  }

  .scroll-indicator {
    display: none;
  }

  .feature-section--hero {
    padding: var(--space-20) 0;
  }

  .feature-section--hero .feature-visual {
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
  }

  .feature-section--hero .phone-mockup {
    width: 230px;
  }

  .themes-showcase .phone-mockup {
    width: 230px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .support-section {
    padding-bottom: var(--space-16);
  }

  .support-shell {
    padding: var(--space-8);
    gap: var(--space-6);
  }

  .support-actions {
    align-items: stretch;
  }

  .support-action {
    width: 100%;
    min-width: 0;
  }

  .donate-page {
    padding-top: calc(var(--nav-height) + var(--space-10));
  }

  .donation-card {
    padding: var(--space-6);
  }

  .donation-message-card {
    padding: var(--space-5);
  }

  .amount-chip-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .security-notice {
    justify-content: flex-start;
    text-align: left;
  }

  .donation-prompt {
    padding: var(--space-6);
  }

  .donation-prompt-actions {
    flex-direction: column;
  }

  .donation-prompt-actions .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  .video-wrapper {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 375px) {
  .store-badges {
    flex-direction: column;
    align-items: center;
  }

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

  .phone-mockup {
    width: 240px;
  }

  .hero-visual .phone-mockup {
    width: 220px;
  }
}

/* --------------------------------------------------------------------------
   20. Print
   -------------------------------------------------------------------------- */

@media print {
  .navbar,
  .scroll-indicator,
  .back-to-top,
  .video-section,
  .cta-section,
  .donation-prompt-backdrop {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: var(--space-8) 0;
  }

  body {
    background: white;
    color: black;
  }

  .feature-section,
  .section {
    padding: var(--space-8) 0;
    break-inside: avoid;
  }
}

/* --------------------------------------------------------------------------
   21. Reduced Motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-indicator {
    animation: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}