/* CSS Variables */
:root {
  --bg-color: #0b0b0b;
  --text-color: #f5f5f5;
  --accent-color: #ffffff;
  --overlay-bg: rgba(0,0,0,0.6);
  --border-color: rgba(255,255,255,0.12);
  --card-bg: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  --card-hover-bg: rgba(255,255,255,0.08);
  --hamburger-bg: #fff;
}

/* Base */
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-color);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  font-display: swap;
}

/* Fixed video background overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(
    to bottom, 
    rgba(0,0,0,0.3) 0%,
    rgba(0,0,0,0.15) 40%,
    rgba(0,0,0,0.5) 100%
  );
  pointer-events: none;
  z-index: -5;
}

/* Hero */
.hero-wrapper { 
  height: auto;
  min-height: 100vh;
}

.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
  z-index: 1;
}

.background-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: -10;
  pointer-events: none;
  opacity: 1;
  filter: brightness(0.95) contrast(1.1);
}

/* Tri vertical hero */
.tri-hero {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 1fr;
  gap: 12px;
  width: min(1600px, 98vw);
  height: 88%;
  padding: clamp(8px, 2vw, 24px);
  margin: 0 auto;
  perspective: 1200px;
  transform: translateZ(0);
  will-change: transform;
}

.panel {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  display: block;
  transform: skewY(-5deg) scale(0.92);
  transform-origin: center center;
  transition: transform .6s cubic-bezier(.2,.8,.2,1), opacity .45s ease, filter .3s ease, border-color .2s ease, box-shadow .3s ease;
  will-change: transform, opacity, filter;
  transform-style: preserve-3d;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.panel video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(1.2) saturate(1.4) contrast(1.3);
}

.panel__overlay {
  position: absolute;
  inset: 0;
  background: none;
  display: grid;
  align-content: end;
  padding: 20px;
  gap: 8px;
  z-index: 2;
}

/* Brand logo inside top black frame */
.panel__logo {
  position: absolute;
  top: 6%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: clamp(36px, 8vh, 80px);
  width: auto;
  z-index: 3;
  pointer-events: none;
  opacity: 1.0;
  filter: drop-shadow(0 0 10px rgba(0,0,0,0.8)) brightness(1.1) contrast(1.1);
}

/* Slightly larger Apollo logo */
.panel--apollo .panel__logo { height: clamp(52px, 10vh, 100px); }

/* Brand-specific logo glow effects */
.panel--porsche .panel__logo { filter: drop-shadow(0 0 10px rgba(180, 151, 90, 0.8)) drop-shadow(0 0 20px rgba(180, 151, 90, 0.4)) brightness(1.1) contrast(1.1); }
.panel--audi .panel__logo { filter: drop-shadow(0 0 10px rgba(245, 5, 55, 0.8)) drop-shadow(0 0 20px rgba(245, 5, 55, 0.4)) brightness(1.1) contrast(1.1); }
.panel--bmw .panel__logo { filter: drop-shadow(0 0 10px rgba(28, 105, 212, 0.8)) drop-shadow(0 0 20px rgba(28, 105, 212, 0.4)) brightness(1.1) contrast(1.1); }
.panel--mercedes .panel__logo { filter: drop-shadow(0 0 10px rgba(192, 214, 223, 0.8)) drop-shadow(0 0 20px rgba(192, 214, 223, 0.4)) brightness(1.1) contrast(1.1); }
.panel--volkswagen .panel__logo { filter: drop-shadow(0 0 10px rgba(10, 123, 216, 0.8)) drop-shadow(0 0 20px rgba(10, 123, 216, 0.4)) brightness(1.1) contrast(1.1); }
.panel--apollo .panel__logo { filter: drop-shadow(0 0 10px rgba(234, 234, 234, 0.8)) drop-shadow(0 0 20px rgba(234, 234, 234, 0.4)) brightness(1.1) contrast(1.1); }

/* Hover edge wave effect */
.panel__overlay::before,
.panel__overlay::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 0;
  opacity: 0;
  pointer-events: none;
}
.panel__overlay::before { left: 0; background: linear-gradient(to right, rgba(255,255,255,0.12), rgba(255,255,255,0)); }
.panel__overlay::after { right: 0; background: linear-gradient(to left, rgba(255,255,255,0.12), rgba(255,255,255,0)); }

.panel:hover .panel__overlay::before { animation: waveL 900ms ease; }
.panel:hover .panel__overlay::after { animation: waveR 900ms ease 60ms; }

@keyframes waveL {
  0% { width: 0; opacity: 0; }
  20% { opacity: .28; }
  100% { width: 55%; opacity: 0; }
}
@keyframes waveR {
  0% { width: 0; opacity: 0; }
  20% { opacity: .28; }
  100% { width: 55%; opacity: 0; }
}

.panel__title { margin: 0; font-size: clamp(20px, 3vw, 36px); font-weight: 600; }
.panel__cta { opacity: 0.9; font-size: 14px; }

/* Brand accent colors for bottom text in black area */
.panel--porsche .panel__title,
.panel--porsche .panel__cta { color: #b4975a; text-shadow: 0 1px 2px rgba(0,0,0,0.6); }
.panel--porsche { box-shadow: 0 0 20px rgba(180, 151, 90, 0.4), 0 0 40px rgba(180, 151, 90, 0.2); }

.panel--audi .panel__title,
.panel--audi .panel__cta { color: #f50537; text-shadow: 0 1px 2px rgba(0,0,0,0.6); }
.panel--audi { box-shadow: 0 0 20px rgba(245, 5, 55, 0.4), 0 0 40px rgba(245, 5, 55, 0.2); }

.panel--bmw .panel__title,
.panel--bmw .panel__cta { color: #1c69d4; text-shadow: 0 1px 2px rgba(0,0,0,0.6); }
.panel--bmw { box-shadow: 0 0 20px rgba(28, 105, 212, 0.4), 0 0 40px rgba(28, 105, 212, 0.2); }

.panel--mercedes .panel__title,
.panel--mercedes .panel__cta { color: #c0d6df; text-shadow: 0 1px 2px rgba(0,0,0,0.6); }
.panel--mercedes { box-shadow: 0 0 20px rgba(192, 214, 223, 0.4), 0 0 40px rgba(192, 214, 223, 0.2); }

.panel--volkswagen .panel__title,
.panel--volkswagen .panel__cta { color: #0a7bd8; text-shadow: 0 1px 2px rgba(0,0,0,0.6); }
.panel--volkswagen { box-shadow: 0 0 20px rgba(10, 123, 216, 0.4), 0 0 40px rgba(10, 123, 216, 0.2); }

.panel--apollo .panel__title,
.panel--apollo .panel__cta { color: #eaeaea; text-shadow: 0 1px 2px rgba(0,0,0,0.6); }
.panel--apollo { box-shadow: 0 0 20px rgba(234, 234, 234, 0.4), 0 0 40px rgba(234, 234, 234, 0.2); }

/* Brand-specific hover effects */
.panel--porsche:hover {
  border-color: #b4975a;
  filter: brightness(1.06);
  box-shadow: 0 0 30px rgba(180, 151, 90, 0.8), 0 0 60px rgba(180, 151, 90, 0.6);
}
.panel--audi:hover {
  border-color: #f50537;
  filter: brightness(1.06);
  box-shadow: 0 0 30px rgba(245, 5, 55, 0.8), 0 0 60px rgba(245, 5, 55, 0.6);
}
.panel--bmw:hover {
  border-color: #1c69d4;
  filter: brightness(1.06);
  box-shadow: 0 0 30px rgba(28, 105, 212, 0.8), 0 0 60px rgba(28, 105, 212, 0.6);
}
.panel--mercedes:hover {
  border-color: #c0d6df;
  filter: brightness(1.06);
  box-shadow: 0 0 30px rgba(192, 214, 223, 0.8), 0 0 60px rgba(192, 214, 223, 0.6);
}
.panel--volkswagen:hover {
  border-color: #0a7bd8;
  filter: brightness(1.06);
  box-shadow: 0 0 30px rgba(10, 123, 216, 0.8), 0 0 60px rgba(10, 123, 216, 0.6);
}
.panel--apollo:hover {
  border-color: #eaeaea;
  filter: brightness(1.06);
  box-shadow: 0 0 30px rgba(234, 234, 234, 0.8), 0 0 60px rgba(234, 234, 234, 0.6);
}

.panel:hover .panel__overlay { background: none; }

/* Top/Bottom black frames for specific panels */
.panel--mercedes::before,
.panel--mercedes::after,
.panel--volkswagen::before,
.panel--volkswagen::after,
.panel--porsche::before,
.panel--porsche::after,
.panel--audi::before,
.panel--audi::after,
.panel--apollo::before,
.panel--apollo::after,
.panel--bmw::before,
.panel--bmw::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 12%;
  background: none;
  pointer-events: none;
  z-index: 1;
}
.panel--mercedes::before,
.panel--volkswagen::before,
.panel--porsche::before,
.panel--audi::before,
.panel--apollo::before,
.panel--bmw::before { top: 0; }
.panel--mercedes::after,
.panel--volkswagen::after,
.panel--porsche::after,
.panel--audi::after,
.panel--apollo::after,
.panel--bmw::after { bottom: 0; }

/* Angled expand/slide states */
.tri-hero.is-animating .panel { pointer-events: none; }
.panel--focus { transform: skewY(0deg) scale(1.06); z-index: 3; }
.panel--left { transform: translateX(-60vw) skewY(-5deg) scale(0.86); opacity: 0.32; }
.panel--right { transform: translateX(60vw) skewY(-5deg) scale(0.86); opacity: 0.32; }

/* Down arrow */
.down-arrow {
  position: absolute;
  left: 50%;
  bottom: 16px;
  width: 24px;
  height: 38px;
  border: 2px solid var(--accent-color);
  border-radius: 12px;
  transform: translateX(-50%);
  display: block;
}
.down-arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 5px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: bounce 1.4s infinite cubic-bezier(.22,.61,.36,1);
}
@keyframes bounce { 0%, 100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,10px); } }

/* Hamburger & side menu - Круглая кнопка с glassmorphism */
.hamburger {
  position: absolute;
  left: 20px;
  top: 20px;
  width: 48px;
  height: 48px;
  
  /* Glassmorphism эффект */
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  
  /* Круглая форма */
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  z-index: 4;
  
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.37),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.hamburger span { 
  display: block; 
  width: 20px;
  height: 2px; 
  background: var(--hamburger-bg); 
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.15);
}

.hamburger[aria-expanded="true"] span:nth-child(1) { 
  transform: translateY(7px) rotate(45deg); 
}
.hamburger[aria-expanded="true"] span:nth-child(2) { 
  opacity: 0; 
  transform: scale(0);
}
.hamburger[aria-expanded="true"] span:nth-child(3) { 
  transform: translateY(-7px) rotate(-45deg); 
}

.side-menu {
  position: absolute;
  left: 16px;
  top: 76px;
  width: 280px;
  
  /* Glassmorphism эффект */
  background: rgba(12, 12, 12, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 20px;
  transform-origin: top left;
  transform: scale(0.92) translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s cubic-bezier(0.4, 0, 0.2, 1), 
              transform .3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 4;
  
  box-shadow: 
    0 12px 48px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.side-menu[aria-hidden="false"] { 
  opacity: 1; 
  transform: scale(1) translateY(0); 
  pointer-events: auto; 
}
.side-menu__nav { display: grid; gap: 8px; }
.side-menu__link {
  color: var(--text-color);
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 16px;
  transition: all 0.2s ease;
}
.side-menu__link:hover {
  border-color: var(--accent-color);
  background: var(--card-hover-bg);
  transform: translateX(4px);
}

@media (max-width: 1200px) {
  .tri-hero { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .tri-hero { 
    grid-template-columns: 1fr;
    height: auto; /* Allow content to dictate height on mobile */
    padding: 16px;
    gap: 16px;
  }
  .panel {
    transform: none !important; /* Remove skew on mobile for cleaner layout */
    min-height: 200px; /* Ensure sufficient height for touch targets */
    margin-bottom: 0;
  }
  .panel--left, .panel--right { 
    transform: none; 
    opacity: 1; /* Make all panels fully visible on mobile */
  }
  
  /* Improve text readability on mobile panels */
  .panel__title {
    font-size: 24px;
  }
  
  .panel__logo {
    height: 50px;
    top: 20px;
    transform: translateX(-50%);
  }
}

@media (max-width: 480px) {
  .panel__overlay {
    padding: 16px;
  }
  .hamburger {
    width: 40px;
    height: 40px;
    top: 16px;
    left: 16px;
  }
}

/* Fullscreen overlay for expansion */
.fs-overlay {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}
.fs-overlay__video {
  position: absolute;
  inset: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  will-change: transform, opacity;
  transform-origin: top left;
}

/* Brand page hero */
.brand-hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.brand-hero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.brand-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.6)); }
.brand-hero__overlay { position: relative; z-index: 1; height: 100%; display: grid; align-content: end; padding: 24px; }
.brand-hero__title { margin: 0 0 8px 0; font-size: clamp(28px, 5vw, 64px); font-weight: 600; }
.brand-hero .down-arrow { position: absolute; left: 50%; bottom: 24px; }

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: none;
  pointer-events: none;
}

/* Remove old overlay/nav styles */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
  will-change: transform;
}

.btn-outline {
  border: 1px solid rgba(255,255,255,0.6);
  color: #ffffff;
  background: rgba(255,255,255,0.04);
}

.btn-outline:hover {
  border-color: #ffffff;
  background: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}

.btn-ghost { background: transparent; }

.brand-switch.is-active { border-color: #ffffff; background: rgba(255,255,255,0.10); }

/* Content */
.content { 
  position: relative; 
  z-index: 2;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.45) 0%,
    rgba(0,0,0,0.5) 45%,
    rgba(0,0,0,0.55) 100%
  );
  backdrop-filter: blur(6px);
  transform: translateZ(0);
  will-change: transform;
}


.brand { 
  padding: 80px 24px; 
  border-top: 1px solid rgba(255,255,255,0.08);
  position: relative;
}

.brand::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0,0,0,0.05) 0%,
    rgba(0,0,0,0.02) 100%
  );
  pointer-events: none;
  z-index: -1;
}


.brand-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  align-items: stretch;
}

.brand__title {
  font-size: clamp(28px, 4vw, 48px);
  margin: 0 0 8px 0;
  font-weight: 600;
  text-transform: uppercase;
}

.brand__text {
  max-width: 800px;
  color: #c9c9c9;
}

.card {
  grid-column: span 12;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  background: var(--card-bg);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.card:hover { transform: translateY(-2px); border-color: var(--accent-color); background: var(--card-hover-bg); }

.card__media {
  position: relative;
  padding-top: 56.25%;
  background: #111;
}

.card__body { padding: 16px; }

.card__title { margin: 0 0 6px 0; font-size: 18px; font-weight: 600; }

.card__meta { margin: 0; color: #a9a9a9; font-size: 14px; }

@media (min-width: 640px) { .card { grid-column: span 6; } }
@media (min-width: 1024px) { .card { grid-column: span 4; } }

/* Small brand panels */
.small-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  padding: 48px 24px;
  max-width: 1400px;
  margin: 0 auto;
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}

.small-panel {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.small-panel a {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  text-decoration: none;
}

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

.small-panel__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  transition: background 0.3s ease;
}

.small-panel__title {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.6);
}

.small-panel:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
}

.small-panel--porsche:hover {
  border-color: #b4975a;
  box-shadow: 0 8px 24px rgba(180, 151, 90, 0.4);
}

.small-panel--audi:hover {
  border-color: #f50537;
  box-shadow: 0 8px 24px rgba(245, 5, 55, 0.4);
}

.small-panel--bmw:hover {
  border-color: #1c69d4;
  box-shadow: 0 8px 24px rgba(28, 105, 212, 0.4);
}

.small-panel:hover .small-panel__overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

/* Intro text section */
.intro-text {
  padding: 64px 24px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  content-visibility: auto;
  contain-intrinsic-size: auto 300px;
}

.intro-text__title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 600;
  margin: 0 0 24px 0;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.intro-text__description {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.7;
  color: #c9c9c9;
  margin: 0;
  max-width: 900px;
  margin: 0 auto;
}

/* Featured models section */
.featured-models {
  padding: 80px 24px;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  gap: 64px;
  content-visibility: auto;
  contain-intrinsic-size: auto 1200px;
}

.featured-model {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.featured-model:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  background: var(--card-hover-bg);
}

.featured-model__media {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

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

.featured-model__content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.featured-model__title {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  color: var(--text-color);
}

.featured-model__text {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.7;
  color: #c9c9c9;
}

/* Swap order for right-aligned models */
.featured-model--right {
  grid-template-columns: 1fr 1fr;
}

.featured-model--right .featured-model__content {
  order: -1;
}

@media (max-width: 900px) {
  .featured-model,
  .featured-model--right {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
  }
  
  .featured-model--right .featured-model__content {
    order: 0;
  }
}

/* Hero video block */
.hero-video-block {
  position: relative;
  height: 85vh;
  margin: 80px 24px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  content-visibility: auto;
  contain-intrinsic-size: auto 85vh;
}

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

.hero-video-block__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 64px;
  text-align: center;
}

.hero-video-block__title {
  margin: 0 0 12px 0;
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 4px 12px rgba(0,0,0,0.8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-video-block__subtitle {
  margin: 0;
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 300;
  color: #f5f5f5;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  font-style: italic;
}

@media (max-width: 768px) {
  .hero-video-block {
    height: 60vh;
    margin: 40px 16px;
  }
  
  .hero-video-block__overlay {
    padding: 32px 16px;
  }
}

.footer {
  padding: 80px 24px 40px;
  border-top: 1px solid var(--border-color);
  color: var(--text-color);
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.2) 0%,
    rgba(0,0,0,0.4) 100%
  );
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(255,255,255,0.3) 50%,
    transparent 100%
  );
}

.footer__content {
  max-width: 1400px;
  margin: 0 auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  margin-bottom: 48px;
}

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

.footer__heading {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(255,255,255,0.1);
}

.footer__description {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
}

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

.footer__link {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 15px;
  transition: all 0.2s ease;
  padding-left: 12px;
  position: relative;
}

.footer__link::before {
  content: "→";
  position: absolute;
  left: 0;
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.2s ease;
}

.footer__link:hover {
  color: var(--accent-color);
  padding-left: 20px;
}

.footer__link:hover::before {
  opacity: 1;
  transform: translateX(0);
}

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

.footer__contact-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer__contact-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  font-weight: 600;
}

.footer__contact-value {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

.footer__contact-link {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  display: inline-block;
}

.footer__contact-link:hover {
  color: var(--accent-color);
  transform: translateX(4px);
}

.footer__bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}

.footer__copyright {
  margin: 0;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .footer {
    padding: 48px 20px 32px;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer__heading {
    font-size: 18px;
  }
}

/* Lazy video loading styles */
video.lazy-video {
  background: linear-gradient(135deg, rgba(20, 20, 20, 0.9), rgba(40, 40, 40, 0.9));
  opacity: 0;
  transition: opacity 0.4s ease-in-out;
  will-change: opacity;
}

video:not(.lazy-video) {
  opacity: 1;
}

/* Performance optimizations for all videos */
video {
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
}

/* Smooth page transitions */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: no-preference) {
  body {
    transition: opacity 0.2s ease-in-out;
  }
}

/* Accessibility and motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  video.lazy-video { transition: none !important; }
}

/* Side Navigation для главной страницы - МАКСИМАЛЬНЫЙ ПРИОРИТЕТ */
.side-nav-panel {
  z-index: 99999 !important;
  position: fixed !important;
  pointer-events: auto !important;
}

/* Улучшенная видимость на тёмном фоне */
body .side-nav-panel {
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

/* Гарантированное отображение */
body .side-nav-panel.is-visible {
  opacity: 1 !important;
  visibility: visible !important;
  display: flex !important;
}

/* Standard Cursors */
body {
  cursor: default;
}

a, button, .btn, .panel, .hamburger, .side-menu__link {
  cursor: pointer;
}

input, textarea, [contenteditable] {
  cursor: text;
}

.loading, .busy {
  cursor: wait;
}

.disabled, .unavailable {
  cursor: not-allowed;
}

.working {
  cursor: progress;
}