:root {
  --paper: #f8f5ee;
  --paper-card: #ffffff;
  --paper-soft: #f0ebe1;
  --ink: #1c211e;
  --ink-secondary: #575e58;
  --muted: #828a83;
  --line: #ded8cb;
  --accent: #e06d3e;
  --accent-light: #fff0e8;
  --accent-hover: #cb592a;
  --blue: #2563eb;
  --teal: #0d9488;
  --gold: #d97706;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "DM Mono", Menlo, Consolas, monospace;
  --shadow-sm: 0 2px 8px rgba(28, 33, 30, 0.05);
  --shadow-md: 0 10px 30px rgba(28, 33, 30, 0.08);
  --shadow-lg: 0 20px 45px rgba(28, 33, 30, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

img {
  max-width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin-left: auto;
  margin-right: auto;
}

/* ========================================================
   HEADER & NAVIGATION
   ======================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(248, 245, 238, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  line-height: 1.05;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink);
}

.brand b {
  font-size: 17px;
  letter-spacing: -0.04em;
  display: block;
}

.brand-mark {
  font-size: 34px;
  line-height: 1;
  color: var(--accent);
  display: inline-block;
  transform: rotate(-10deg);
  transition: transform 0.2s ease;
}

.brand:hover .brand-mark {
  transform: rotate(5deg) scale(1.1);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 600;
}

.site-nav a:not(.nav-cta) {
  color: var(--ink-secondary);
  position: relative;
  padding: 6px 0;
}

.site-nav a:not(.nav-cta):hover {
  color: var(--ink);
}

.site-nav a:not(.nav-cta):after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

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

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 99px;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
  white-space: nowrap;
}

.nav-cta,
.button-dark {
  background: var(--ink);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(28, 33, 30, 0.2);
}

.nav-cta:hover,
.button-dark:hover {
  background: #343c37;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(28, 33, 30, 0.25);
  color: #fff !important;
}

.button-outline {
  background: #ffffff;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.button-outline:hover {
  border-color: var(--ink);
  background: var(--paper-soft);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  transition: transform 0.2s ease;
}

/* ========================================================
   HERO SECTION
   ======================================================== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: center;
  padding: 70px 0 100px;
}

.eyebrow {
  font: 600 11px/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  padding: 6px 14px;
  border-radius: 20px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

.hero h1,
h2 {
  font-size: clamp(38px, 5.2vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0;
  font-weight: 800;
  color: var(--ink);
}

.hero h1 em,
h2 em {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.hero-lead {
  color: var(--ink-secondary);
  max-width: 440px;
  font-size: 17px;
  line-height: 1.6;
  margin: 24px 0 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-actions .button-dark {
  padding: 16px 28px;
  font-size: 14px;
}

.text-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.text-link:hover {
  color: var(--accent);
}

.micro-note {
  font: 11px var(--mono);
  color: var(--muted);
  margin-top: 24px;
}

/* Hero Art - Aquarium Portal */
.hero-art {
  position: relative;
  padding: 20px 10px;
}

.tank-frame {
  position: relative;
  aspect-ratio: 1.22;
  border-radius: 40px;
  overflow: hidden;
  background: linear-gradient(180deg, #1e526d 0%, #0d2838 100%);
  box-shadow: 0 24px 60px rgba(13, 40, 56, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.6);
  border: 4px solid #ffffff;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tank-frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 70px rgba(13, 40, 56, 0.35), 0 0 0 1px #fff;
}

.tank-frame canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.tank-label {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: 99px;
  font: 600 11px var(--mono);
  color: var(--ink);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 5;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  display: inline-block;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.art-sticker {
  position: absolute;
  z-index: 10;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  width: 96px;
  height: 96px;
  display: grid;
  place-content: center;
  text-align: center;
  font: 700 11px/1.2 var(--mono);
  box-shadow: 0 10px 24px rgba(224, 109, 62, 0.35);
  border: 3px solid #ffffff;
}

.sticker-top {
  top: -10px;
  right: -10px;
  transform: rotate(8deg);
}

.sticker-bottom {
  bottom: -15px;
  left: -15px;
  background: #facc15;
  color: var(--ink);
  transform: rotate(-10deg);
  box-shadow: 0 10px 24px rgba(250, 204, 21, 0.35);
}

/* ========================================================
   SECTIONS & STEPS
   ======================================================== */
.section-pad {
  padding: 100px 0;
  border-top: 1px solid var(--line);
}

.section-intro h2 {
  margin-top: 12px;
}

.section-intro > p:last-child {
  font-size: 16px;
  color: var(--ink-secondary);
  max-width: 320px;
  margin-top: 20px;
  line-height: 1.6;
}

.how {
  display: grid;
  grid-template-columns: 0.85fr 1.35fr;
  gap: 60px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.step-num {
  font: 700 12px var(--mono);
  color: var(--muted);
  background: var(--paper-soft);
  padding: 4px 10px;
  border-radius: 12px;
}

.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  background: #fff3ec;
  color: var(--accent);
}

.step-icon.blue {
  background: #eff6ff;
  color: var(--blue);
}

.step-icon.gold {
  background: #fefce8;
  color: var(--gold);
}

.step h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--ink);
}

.step p {
  font-size: 14px;
  color: var(--ink-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ========================================================
   GALLERY / FISH SPECIES
   ======================================================== */
.gallery-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}

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

.fish-card {
  margin: 0;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.fish-image-wrap {
  aspect-ratio: 1.15;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  position: relative;
  overflow: hidden;
}

.fish-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.08));
}

.fish-card.orange .fish-image-wrap { background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%); }
.fish-card.blue-bg .fish-image-wrap { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); }
.fish-card.yellow .fish-image-wrap { background: linear-gradient(135deg, #fefce8 0%, #fef08a 100%); }
.fish-card.coral .fish-image-wrap { background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 100%); }

.fish-card figcaption {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
}

.fish-card small {
  font: 600 11px var(--mono);
  color: var(--muted);
}

.fish-card b {
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.fish-card .fish-tags {
  font-size: 12px;
  color: var(--ink-secondary);
}

/* ========================================================
   AUDIENCE SECTION
   ======================================================== */
.audience {
  display: grid;
  grid-template-columns: 0.85fr 1.35fr;
  gap: 60px;
}

.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.audience-card {
  padding: 36px 32px;
  border-radius: 28px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.audience-card.dark {
  background: #182827;
  color: #ffffff;
  border-color: #233b3a;
}

.audience-icon {
  font-size: 32px;
  margin-bottom: 20px;
  display: inline-block;
}

.audience-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 12px;
}

.audience-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-secondary);
  margin: 0 0 24px;
}

.audience-card.dark p {
  color: #a4b8b6;
}

.audience-card a {
  font: 700 12px var(--mono);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.audience-card.dark a {
  color: #facc15;
}

/* ========================================================
   PRIVACY SECTION
   ======================================================== */
.privacy {
  display: grid;
  grid-template-columns: 70px 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.privacy-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: #e6f4f2;
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.privacy-content h2 {
  margin-top: 10px;
}

.privacy-content p {
  color: var(--ink-secondary);
  font-size: 16px;
  line-height: 1.6;
  margin-top: 20px;
  max-width: 480px;
}

.privacy-facts {
  display: grid;
  gap: 16px;
  border-left: 1px solid var(--line);
  padding-left: 36px;
}

.fact-box {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}

.fact-box b {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  display: block;
  line-height: 1.1;
  margin-bottom: 4px;
}

.fact-box span {
  font: 500 12px var(--mono);
  color: var(--ink-secondary);
}

/* ========================================================
   COMPATIBILITY & QR SECTION (FIXED 2-COLUMN LAYOUT)
   ======================================================== */
.compat-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.compat-devices {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.device-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
}

.device-icon {
  font-size: 22px;
  line-height: 1;
  background: var(--paper-soft);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.device-text b {
  font-size: 14px;
  color: var(--ink);
  display: block;
}

.device-text span {
  font-size: 12px;
  color: var(--ink-secondary);
  line-height: 1.4;
}

.compat-card {
  background: #ffffff;
  border: 2px solid var(--line);
  border-radius: 32px;
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.compat-qr-box {
  background: #ffffff;
  padding: 12px;
  border-radius: 20px;
  border: 2px dashed #94a3b8;
  margin: 16px 0;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.compat-qr-box:hover {
  transform: scale(1.03);
  border-color: var(--accent);
}

.compat-qr-box img {
  display: block;
  border-radius: 8px;
  width: 140px;
  height: 140px;
}

.compat-card-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  margin: 0;
}

.compat-card-subtitle {
  font-size: 13px;
  color: var(--ink-secondary);
  margin: 6px 0 0;
}

.compat-card .button-dark {
  margin-top: 16px;
  width: 100%;
  padding: 12px 20px;
  font-size: 13px;
}

/* ========================================================
   FOOTER
   ======================================================== */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 50px 0 60px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-secondary);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font: 500 12px var(--mono);
  color: var(--muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ========================================================
   RESPONSIVE DESIGN
   ======================================================== */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 50px 0 80px;
  }
  .how,
  .audience,
  .compat-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .privacy {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .privacy-facts {
    border-left: none;
    padding-left: 0;
    grid-template-columns: repeat(3, 1fr);
  }
  .fish-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* TV Mode Showcase Banner (переведено из инлайн-стилей index.html, п.21 аудита) */
.tv-banner-shell {
  padding-top: 10px;
  padding-bottom: 24px;
}
.tv-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  border-radius: 28px;
  padding: 30px 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}
.tv-banner-text {
  max-width: 580px;
}
.tv-banner-badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.2);
  color: #7dd3fc;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.tv-banner-title {
  color: #ffffff;
  font-size: 26px;
  margin-bottom: 8px;
  line-height: 1.2;
}
.tv-banner-sub {
  color: #cbd5e1;
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}
.tv-banner-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.tv-banner-primary {
  background: #38bdf8;
  color: #0f172a;
  font-weight: 800;
  border-radius: 24px;
  padding: 12px 22px;
}
.tv-banner-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
  border-radius: 24px;
  padding: 12px 20px;
}

@media (max-width: 760px) {
  .section-shell {
    width: calc(100% - 32px);
  }
  .site-header {
    min-height: 68px;
    padding: 0 16px;
  }
  .menu-toggle {
    display: block;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 16px;
    right: 16px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    z-index: 100;
  }
  .site-nav.is-open {
    display: flex;
  }
  .site-nav .nav-cta {
    width: 100%;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .audience-grid {
    grid-template-columns: 1fr;
  }
  .privacy-facts {
    grid-template-columns: 1fr;
  }
  .gallery-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .art-sticker {
    width: 80px;
    height: 80px;
    font-size: 10px;
  }
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
} }

/* Клавиатурный фокус: видимая обводка (доступность) */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, [tabindex]:focus-visible, label:focus-visible {
  outline: 3px solid #38bdf8; outline-offset: 2px;
}