/* ===================================================
   MuteGuard — GitHub Pages Stylesheet
   Dark‑first, Windows 11‑inspired design system
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── Design Tokens ── */
:root {
  --color-bg: #0d1117;
  --color-bg-2: #161b22;
  --color-bg-3: #1c2333;
  --color-surface: #21262d;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-2: rgba(255, 255, 255, 0.14);

  --color-accent: #3fb950;
  /* green — "active / safe" */
  --color-accent-glow: rgba(63, 185, 80, 0.25);
  --color-accent-2: #58a6ff;
  /* blue — links / secondary CTA */
  --color-red: #f85149;
  --color-amber: #e3b341;

  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-text-subtle: #6e7681;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-glow-green: 0 0 32px rgba(63, 185, 80, 0.18), 0 0 64px rgba(63, 185, 80, 0.08);
  --shadow-glow-blue: 0 0 32px rgba(88, 166, 255, 0.18), 0 0 64px rgba(88, 166, 255, 0.08);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.5), 0 4px 16px rgba(0, 0, 0, 0.4);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 1200px;
  --section-pad: clamp(60px, 8vw, 120px);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-accent);
  color: #000;
}

a {
  color: var(--color-accent-2);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-text);
}

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

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* ── Layout Utilities ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}

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

/* ── NAV ── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition-med), backdrop-filter var(--transition-med), border-color var(--transition-med);
  border-bottom: 1px solid transparent;
}

#navbar.scrolled {
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-color: var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.nav-logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
  border-radius: 99px;
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--color-accent);
  color: #000 !important;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 99px;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-nav:hover {
  background: #4cc95e;
  box-shadow: var(--shadow-glow-green);
}

.btn-nav::after {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 99px;
  transition: transform var(--transition-med), opacity var(--transition-med);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Nav ── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: rgba(13, 17, 23, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 24px;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
  transform: translateY(-20px);
  opacity: 0;
  transition: transform var(--transition-med), opacity var(--transition-med);
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

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

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-med);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.05);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
  background: #4cc95e;
  color: #000;
  box-shadow: var(--shadow-glow-green);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-2);
}

.btn-outline:hover {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-accent);
}

.btn-sponsor {
  background: linear-gradient(135deg, #e85c8d, #f0547a);
  color: #fff;
  box-shadow: 0 4px 20px rgba(232, 92, 141, 0.3);
}

.btn-sponsor:hover {
  background: linear-gradient(135deg, #f06d9d, #ff6b8a);
  color: #fff;
  box-shadow: 0 8px 32px rgba(232, 92, 141, 0.45);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* ── Section Labels ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.3);
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
}

.text-center {
  text-align: center;
}

.text-center .section-subtitle {
  margin: 0 auto;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, #58a6ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 20px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  z-index: 0;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  background: url('../images/hero-bg.png') center/cover no-repeat;
  opacity: 0.12;
  z-index: 0;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(63, 185, 80, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(88, 166, 255, 0.06) 0%, transparent 60%);
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0, 0, 0, 0.6) 0%, transparent 70%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 70px 0 var(--section-pad);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  background: rgba(63, 185, 80, 0.08);
  border: 1px solid rgba(63, 185, 80, 0.25);
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 28px;
  animation: fadeSlideUp 0.6s ease forwards;
}

.hero-badge .badge-pill {
  background: var(--color-accent);
  color: #000;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  animation: fadeSlideUp 0.6s 0.1s ease both;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
  animation: fadeSlideUp 0.6s 0.2s ease both;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeSlideUp 0.6s 0.3s ease both;
}

.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  flex-wrap: wrap;
  animation: fadeSlideUp 0.6s 0.4s ease both;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.hero-meta-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeScaleIn 0.8s 0.2s ease both;
}

.hero-app-preview {
  position: relative;
  width: 380px;
  max-width: 100%;
}

.hero-icon-ring {
  width: 280px;
  height: 280px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-icon-ring::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px solid rgba(63, 185, 80, 0.15);
  animation: spin 20s linear infinite;
}

.hero-icon-ring::after {
  content: '';
  position: absolute;
  inset: -50px;
  border-radius: 50%;
  border: 1px solid rgba(88, 166, 255, 0.08);
  animation: spin 30s linear infinite reverse;
}

.hero-icon-main {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-glow-green), var(--shadow-card);
  animation: float 6s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.hero-icon-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: var(--shadow-card);
  white-space: nowrap;
  z-index: 3;
}

.floating-card .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-green {
  background: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent);
}

.dot-red {
  background: var(--color-red);
  box-shadow: 0 0 6px var(--color-red);
}

.floating-card-1 {
  top: 20px;
  left: -30px;
  animation: float 5s 0.5s ease-in-out infinite;
}

.floating-card-2 {
  bottom: 30px;
  right: -20px;
  animation: float 5s 1s ease-in-out infinite;
}

.floating-card-3 {
  top: 60%;
  left: -50px;
  animation: float 5s 1.5s ease-in-out infinite;
}

/* ── STATUS STRIP ── */
.status-strip {
  background: rgba(63, 185, 80, 0.06);
  border-top: 1px solid rgba(63, 185, 80, 0.15);
  border-bottom: 1px solid rgba(63, 185, 80, 0.15);
  padding: 14px 0;
  overflow: hidden;
}

.status-strip-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}

.strip-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.strip-item svg {
  color: var(--color-accent);
}

/* ── FEATURES ── */
#features {
  background: var(--color-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 56px;
}

.feature-card {
  background: var(--color-bg);
  padding: 32px;
  transition: background var(--transition-med), transform var(--transition-med);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-med);
}

.feature-card:hover {
  background: var(--color-bg-2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background var(--transition-med), box-shadow var(--transition-med);
}

.feature-card:hover .feature-icon {
  background: rgba(63, 185, 80, 0.18);
  box-shadow: var(--shadow-glow-green);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── VISUALS ── */
#visuals {
  background: var(--color-bg-2);
}

.visuals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}

.visual-card {
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-med), transform var(--transition-med), box-shadow var(--transition-med);
}

.visual-card:hover {
  border-color: rgba(63, 185, 80, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.visual-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.visual-card-body {
  padding: 24px;
}

.visual-card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.visual-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── SHORTCUT SHOWCASE ── */
.shortcut-showcase {
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  gap: 48px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.shortcut-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.shortcut-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  min-width: 140px;
}

.kbd-group {
  display: flex;
  align-items: center;
  gap: 5px;
}

kbd {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: 0 2px 0 var(--color-border-2);
  white-space: nowrap;
}

.kbd-sep {
  color: var(--color-text-subtle);
  font-size: 0.75rem;
}

.shortcut-desc {
  flex: 1;
  min-width: 260px;
}

.shortcut-desc h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.shortcut-desc p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ── WHY ── */
#why {
  background: var(--color-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 56px;
}

.why-card {
  display: flex;
  gap: 16px;
  padding: 28px;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-med), transform var(--transition-med);
}

.why-card:hover {
  border-color: rgba(63, 185, 80, 0.3);
  transform: translateY(-2px);
}

.why-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(63, 185, 80, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.why-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

.why-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.why-text p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── AUDIENCE ── */
#audience {
  background: var(--color-bg-2);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.audience-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 28px 20px;
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: border-color var(--transition-med), transform var(--transition-med), box-shadow var(--transition-med);
  cursor: default;
}

.audience-card:hover {
  border-color: rgba(63, 185, 80, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-green);
}

.audience-card .icon {
  font-size: 2.2rem;
  filter: drop-shadow(0 0 12px rgba(63, 185, 80, 0.4));
}

.audience-card span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ── DOWNLOAD ── */
#download {
  background: var(--color-bg);
  text-align: center;
}

.download-box {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
}

.download-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(63, 185, 80, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.download-box .section-title {
  font-size: clamp(2rem, 4vw, 3rem);
}

.download-disclaimer {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
  margin-top: 24px;
}

.download-disclaimer a {
  color: var(--color-text-subtle);
  text-decoration: underline;
}

.download-disclaimer a:hover {
  color: var(--color-text-muted);
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--color-text-subtle);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  padding: 4px 12px;
  margin: 16px auto 0;
}

.download-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}

/* ── REQUIREMENTS ── */
.req-grid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 32px;
}

.req-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.req-chip svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ── DONATE ── */
#donate {
  background: var(--color-bg-2);
}

.donate-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.donate-text .section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
}

.donate-text p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.donate-card {
  background: linear-gradient(135deg, #1c1024 0%, #1a0828 50%, #1c1024 100%);
  border: 1px solid rgba(232, 92, 141, 0.25);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.donate-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(232, 92, 141, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.heart-emoji {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 20px;
  animation: heartbeat 2s ease-in-out infinite;
}

.donate-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.donate-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  line-height: 1.65;
}

.donate-perks {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.donate-perks li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.donate-perks li::before {
  content: '♥';
  color: #e85c8d;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ── FOOTER ── */
footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {}

.footer-brand .nav-logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
  line-height: 1.65;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
}

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

.footer-bottom a:hover {
  color: #4cc95e;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
  transform: translateY(-2px);
}

/* ── TOAST ── */
#toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

/* ── ANIMATIONS ── */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeScaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes heartbeat {

  0%,
  100% {
    transform: scale(1);
  }

  15% {
    transform: scale(1.15);
  }

  30% {
    transform: scale(1);
  }

  45% {
    transform: scale(1.08);
  }

  60% {
    transform: scale(1);
  }
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── AOS-style scroll reveal ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] {
  transition-delay: 0.1s;
}

[data-reveal-delay="2"] {
  transition-delay: 0.2s;
}

[data-reveal-delay="3"] {
  transition-delay: 0.3s;
}

[data-reveal-delay="4"] {
  transition-delay: 0.4s;
}

[data-reveal-delay="5"] {
  transition-delay: 0.5s;
}

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-desc,
  .hero-meta {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta,
  .hero-meta {
    justify-content: center;
  }

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

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

  .donate-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero-icon-ring {
    width: 220px;
    height: 220px;
  }

  .hero-icon-main {
    width: 140px;
    height: 140px;
  }

  .floating-card-1,
  .floating-card-3 {
    left: 0;
  }

  .floating-card-2 {
    right: 0;
  }

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

  .shortcut-showcase {
    flex-direction: column;
    gap: 28px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .download-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .donate-card {
    padding: 32px 24px;
  }

  .download-box {
    padding: 40px 24px;
  }
}