/* ==========================================================================
   Утиный Манок — Официальный сайт приложения
   Дизайн: Modern Minimalist Dark (High-End Hunter Standard)
   ========================================================================== */

:root {
  --bg-dark: #070a08;
  --bg-surface: #0c120e;
  --bg-card: rgba(14, 21, 16, 0.6);
  --bg-card-hover: rgba(20, 30, 23, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(52, 211, 153, 0.35);
  --border-focus: rgba(52, 211, 153, 0.5);

  --primary: #34d399;
  --primary-hover: #10b981;
  --primary-glow: rgba(52, 211, 153, 0.25);

  --rustore-blue: #0d84fb;
  --rustore-glow: rgba(13, 132, 251, 0.25);

  --gold: #f59e0b;
  --gold-glow: rgba(245, 158, 11, 0.2);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --font-main: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", Roboto, sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  background:
    radial-gradient(ellipse 90% 45% at 50% -10%, rgba(52, 211, 153, 0.12), transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 45%, rgba(13, 132, 251, 0.04), transparent 60%),
    var(--bg-dark);
  min-height: 100vh;
}

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

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

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   HEADER / НАВИГАЦИЯ (МИНИМАЛИСТИЧНЫЙ И ЛЁГКИЙ)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 10, 8, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.logo-group:hover {
  opacity: 0.9;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.logo-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-link:hover {
  color: #fff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-store {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: #e2e8f0;
}

.badge-store:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: translateY(-1px);
}

.badge-rustore-header {
  background: rgba(13, 132, 251, 0.1);
  border-color: rgba(13, 132, 251, 0.3);
  color: #93c5fd;
}

.badge-rustore-header:hover {
  background: rgba(13, 132, 251, 0.2);
  border-color: #0d84fb;
  color: #fff;
  box-shadow: 0 0 16px rgba(13, 132, 251, 0.3);
}

.badge-apple-header {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.badge-apple-header:hover {
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn {
  display: none;
  color: var(--text-main);
  padding: 6px;
}

/* ==========================================================================
   HERO СЕКЦИЯ (ЧИСТАЯ, СТИЛЬНАЯ, БЕЗ ЛИШНЕГО МУСОРА)
   ========================================================================== */
.hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-ambient-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(52, 211, 153, 0.06);
  border: 1px solid rgba(52, 211, 153, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  width: fit-content;
}

.badge-pulse {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  animation: pulseGlow 2s infinite ease-in-out;
}

.badge-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: #a7f3d0;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
  color: #fff;
}

.hero-title span.highlight {
  background: linear-gradient(135deg, #ffffff 20%, #6ee7b7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 34px;
  max-width: 540px;
}

/* Кнопки загрузки в Hero */
.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 38px;
}

.store-badge-official {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(14, 21, 16, 0.7);
  backdrop-filter: blur(12px);
  cursor: pointer;
}

.badge-rustore-primary {
  border-color: rgba(13, 132, 251, 0.35);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.badge-rustore-primary:hover {
  transform: translateY(-2px);
  border-color: #0d84fb;
  box-shadow: 0 10px 28px rgba(13, 132, 251, 0.35);
  background: rgba(13, 132, 251, 0.12);
}

.badge-apple-primary {
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.badge-apple-primary:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 28px rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.08);
}

.store-badge-left {
  display: flex;
  align-items: center;
  justify-content: center;
}

.store-badge-right {
  display: flex;
  flex-direction: column;
  line-height: 1.18;
}

.store-badge-sub {
  font-size: 0.68rem;
  color: #94a3b8;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.store-badge-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

/* Статистика с разделителями */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.svg-stars-row {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}

.star-svg {
  width: 15px;
  height: 15px;
  fill: var(--gold);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-top: 2px;
}

/* Мокап телефона (Лаконичный OLED-экран) */
.hero-mockup-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-glow-ambient {
  position: absolute;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.18) 0%, rgba(13, 132, 251, 0.06) 40%, transparent 70%);
  filter: blur(50px);
  z-index: 0;
  pointer-events: none;
}

.phone-card {
  position: relative;
  z-index: 1;
  width: 310px;
  background: #0d140f;
  border-radius: 38px;
  padding: 12px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.8), 0 0 30px rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  overflow: hidden;
  transition: var(--transition);
}

.phone-card:hover {
  border-color: rgba(52, 211, 153, 0.3);
  transform: translateY(-4px);
}

.phone-screen {
  background: #090e0b;
  border-radius: 28px;
  padding: 18px 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.phone-app-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.phone-badge-sound {
  color: var(--primary);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: rgba(52, 211, 153, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.phone-duck-img-wrap {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  height: 170px;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-duck-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.phone-duck-badge {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(7, 10, 8, 0.85);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.phone-waveform-wrap {
  background: rgba(0, 0, 0, 0.45);
  border-radius: 12px;
  padding: 6px 10px;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

#heroWaveCanvas {
  width: 100%;
  height: 44px;
  display: block;
}

.phone-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 14px;
}

.p-ctrl-btn {
  background: rgba(255, 255, 255, 0.05);
  color: #94a3b8;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.p-ctrl-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

.p-ctrl-btn.play {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: #070a08;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.p-ctrl-btn.play:hover {
  background: var(--primary-hover);
  transform: scale(1.08);
  box-shadow: 0 6px 24px var(--primary-glow);
}

.phone-status-tag {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.72rem;
  color: #a7f3d0;
  font-weight: 500;
  background: rgba(52, 211, 153, 0.06);
  padding: 6px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(52, 211, 153, 0.15);
}

/* ==========================================================================
   ОБЩИЕ ЗАГОЛОВКИ СЕКЦИЙ
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 44px;
}

.section-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  line-height: 1.22;
  color: #fff;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   СЕКЦИЯ: ИНТЕРАКТИВНЫЙ ДЕМО-ПЛЕЕР МАНКОВ
   ========================================================================== */
.section-player {
  padding: 90px 0;
  position: relative;
}

.player-widget-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
  max-width: 900px;
  margin: 0 auto;
}

.player-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 26px;
}

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.88rem;
  transition: var(--transition);
}

.chip-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.chip-btn.active {
  background: rgba(52, 211, 153, 0.14);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 16px var(--primary-glow);
}

.player-main-box {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 28px;
  align-items: center;
  background: rgba(0, 0, 0, 0.35);
  border-radius: var(--radius-md);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.player-current-duck-img {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid var(--border-subtle);
}

.player-sound-info {
  display: flex;
  flex-direction: column;
}

.sound-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.current-sound-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

.sound-duration-tag {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.current-sound-sub {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 14px;
}

.visualizer-container {
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  padding: 8px 12px;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

#mainWaveCanvas {
  width: 100%;
  height: 52px;
  display: block;
}

.player-transport-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.playback-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-main-play {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary);
  color: #070a08;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 4px 18px var(--primary-glow);
  transition: var(--transition);
}

.btn-main-play:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--primary-glow);
}

.btn-main-loop {
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  color: var(--text-muted);
  transition: var(--transition);
}

.btn-main-loop:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.btn-main-loop.active {
  background: rgba(52, 211, 153, 0.15);
  color: var(--primary);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 5px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  outline: none;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

/* ==========================================================================
   СЕКЦИЯ: ПРЕИМУЩЕСТВА (ЛАКОНИЧНАЯ СЕТКА 3X2)
   ========================================================================== */
.section-features {
  padding: 90px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 18px;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.feature-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   СЕКЦИЯ: КАТАЛОГ ВИДОВ УТОК
   ========================================================================== */
.section-species {
  padding: 90px 0;
  background: rgba(10, 15, 12, 0.4);
}

.species-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.species-tab {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
}

.species-tab:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.species-tab.active {
  background: rgba(52, 211, 153, 0.12);
  border-color: var(--primary);
  color: #fff;
}

.species-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.species-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.species-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.species-img-container {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.species-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.species-card:hover .species-img {
  transform: scale(1.04);
}

.species-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(7, 10, 8, 0.85);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  color: #a7f3d0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.species-card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.species-name {
  font-size: 1.18rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.species-latin {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-style: italic;
  margin-bottom: 10px;
}

.species-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.species-sounds-preview {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.8rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.btn-card-listen {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
  transition: var(--transition);
}

.btn-card-listen:hover {
  color: var(--primary-hover);
}

/* ==========================================================================
   СЕКЦИЯ: СКРИНШОТЫ ИНТЕРФЕЙСА
   ========================================================================== */
.section-screenshots {
  padding: 90px 0;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.screenshot-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.screenshot-img-box {
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  background: #0d140f;
  transition: var(--transition);
  aspect-ratio: 9 / 18;
}

.screenshot-img-box:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 20px rgba(52, 211, 153, 0.1);
}

.screenshot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.screenshot-caption {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.4;
}

/* ==========================================================================
   СЕКЦИЯ: СРАВНЕНИЕ (ЛАКОНИЧНАЯ ТАБЛИЦА)
   ========================================================================== */
.section-comparison {
  padding: 90px 0;
  background: rgba(10, 15, 12, 0.4);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-table th {
  background: rgba(0, 0, 0, 0.35);
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
}

.comparison-table th.col-highlight {
  background: rgba(52, 211, 153, 0.1);
  color: var(--primary);
  border-left: 1px solid var(--border-focus);
  border-right: 1px solid var(--border-focus);
}

.comparison-table td.col-highlight {
  background: rgba(52, 211, 153, 0.03);
  border-left: 1px solid var(--border-focus);
  border-right: 1px solid var(--border-focus);
  font-weight: 600;
}

.table-check {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.table-cross {
  color: #f87171;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   СЕКЦИЯ: ТЕХНИЧЕСКИЕ ХАРАКТЕРИСТИКИ (GEO ФАКТЫ)
   ========================================================================== */
.section-specs {
  padding: 90px 0;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.spec-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}

.spec-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.spec-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.spec-content {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 4px;
  font-weight: 600;
}

.spec-value {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.3;
}

.spec-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   СЕКЦИЯ: РЕАЛЬНЫЕ ОТЗЫВЫ ИЗ RUSTORE
   ========================================================================== */
.section-reviews {
  padding: 90px 0;
  background: rgba(10, 15, 12, 0.4);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.review-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.review-body {
  font-size: 0.94rem;
  color: var(--text-main);
  line-height: 1.55;
  font-style: italic;
}

.review-author-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

.review-author {
  font-weight: 700;
  font-size: 0.88rem;
  color: #fff;
}

.review-date {
  font-size: 0.76rem;
  color: var(--text-dim);
}

/* ==========================================================================
   СЕКЦИЯ: FAQ
   ========================================================================== */
.section-faq {
  padding: 90px 0;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.faq-icon-svg {
  width: 20px;
  height: 20px;
  fill: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon-svg {
  transform: rotate(180deg);
}

.faq-item.active {
  border-color: var(--border-focus);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  background: rgba(0, 0, 0, 0.2);
}

.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   СЕКЦИЯ: FINAL CTA
   ========================================================================== */
.section-final-cta {
  padding: 90px 0;
}

.cta-banner {
  background: radial-gradient(circle at 50% 0%, rgba(52, 211, 153, 0.15), rgba(12, 18, 14, 0.95) 75%);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  padding: 54px 36px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.cta-banner-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta-banner-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 32px;
}

.cta-banner-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #050705;
  border-top: 1px solid var(--border-subtle);
  padding: 54px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 360px;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.86rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-back-top {
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.footer-back-top:hover {
  color: var(--primary-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   МОБИЛЬНОЕ МЕНЮ (DRAWER)
   ========================================================================== */
.mobile-nav {
  display: none;
  background: rgba(7, 10, 8, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav.open {
  display: block;
  max-height: 520px;
}

.mobile-nav-inner {
  padding: 16px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--primary);
  padding-left: 6px;
}

.mobile-nav-ctas {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.badge-rustore-full,
.badge-apple-full {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
}

/* ==========================================================================
   KEYFRAME АНИМАЦИИ
   ========================================================================== */
@keyframes pulseGlow {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 6px var(--primary);
  }
  50% {
    transform: scale(1.3);
    box-shadow: 0 0 12px var(--primary);
  }
}

/* ==========================================================================
   АДАПТИВНОСТЬ
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-badge-wrap {
    margin: 0 auto 24px;
  }
  .hero-desc {
    margin: 0 auto 34px;
  }
  .hero-badges-row {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .features-grid,
  .species-cards-grid,
  .reviews-grid,
  .specs-grid,
  .screenshots-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .header-inner {
    height: 60px;
    width: 100%;
  }
  .nav-links,
  .header-actions {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
  }
  .hero {
    padding: 100px 0 50px;
    overflow: hidden;
  }
  .hero-ambient-glow {
    width: 100%;
    max-width: 360px;
    height: 260px;
  }
  .hero-badge-wrap {
    max-width: 100%;
    padding: 6px 12px;
    font-size: 0.78rem;
    line-height: 1.35;
  }
  .hero-title {
    font-size: clamp(1.4rem, 4.8vw, 2.1rem);
    letter-spacing: -0.025em;
    word-break: normal;
    overflow-wrap: break-word;
  }
  .hero-desc {
    font-size: 0.95rem;
    line-height: 1.55;
    padding: 0 4px;
    margin: 0 auto 28px;
  }
  .hero-badges-row {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .store-badge-official {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    padding: 12px 18px;
  }
  .hero-stats {
    flex-direction: column;
    gap: 14px;
  }
  .stat-divider {
    display: none;
  }
  .phone-card {
    width: min(300px, 88vw);
    border-radius: 32px;
    padding: 10px;
  }
  .phone-glow-ambient {
    width: min(320px, 90vw);
    height: min(320px, 90vw);
  }
  .player-widget-card {
    padding: 20px 14px;
    border-radius: var(--radius-md);
  }
  .player-chips-row {
    gap: 8px;
    margin-bottom: 20px;
  }
  .chip-btn {
    padding: 7px 12px;
    font-size: 0.8rem;
  }
  .player-main-box {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 16px 12px;
    gap: 16px;
  }
  .player-current-duck-img {
    margin: 0 auto;
    max-width: 220px;
    height: 150px;
  }
  .player-transport-row {
    justify-content: center;
    flex-direction: column;
    gap: 14px;
  }
  .playback-controls {
    width: 100%;
    justify-content: center;
  }
  .volume-control {
    width: 100%;
    justify-content: center;
  }
  .features-grid,
  .species-cards-grid,
  .reviews-grid,
  .specs-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .screenshots-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .screenshot-img-box {
    border-radius: 16px;
  }
  .table-responsive {
    margin: 0 -8px;
    width: calc(100% + 16px);
    border-radius: 12px;
  }
  .comparison-table th,
  .comparison-table td {
    padding: 12px 14px;
    font-size: 0.82rem;
  }
  .cta-banner {
    padding: 32px 16px;
    border-radius: 18px;
  }
  .cta-banner-title {
    font-size: 1.6rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}