@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;700;900&family=Manrope:wght@800&display=swap');

:root {
  --bg-color: #E6E5E0; /* Beige/Grey like the reference images */
  --accent-color: #FF4A11; /* Belaz Orange */
  --grid-line: var(--accent-color); /* The lines are now ORANGE */
  --text-dark: #000000;
  --line-width: 2px;
}

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

body {
  background-color: #D3D3D3; /* Slightly darker grey so window pops */
  color: var(--text-dark);
  font-family: 'Space Grotesk', sans-serif;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Wrapper to simulate the full-screen page */
.window-wrapper {
  width: 100vw;
  height: 100vh;
  position: relative;
  z-index: 10;
  overflow: hidden;
  background-color: var(--accent-color); /* Creates the orange grid lines! */
}

/* SVG Noise Overlay */
.noise-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.35; 
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* The Core Structure: A Rigid Grid Table */
.brutal-grid {
  display: grid;
  width: 100%;
  height: 100%;
  /* Left column for sidebar, right column for content */
  grid-template-columns: 280px 1fr;
  grid-template-rows: 100%;
  gap: var(--line-width);
}

.brutal-grid > * {
  min-width: 0;
  min-height: 0;
}

/* Cells globally */
.cell {
  background-color: var(--bg-color);
  position: relative;
}

/* ================= Left Sidebar ================= */
.left-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--line-width);
  background-color: var(--accent-color);
  height: 100%;
  overflow: hidden;
}

.cell-logo {
  height: 90px;
  background-color: var(--accent-color);
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
}

.logo-text {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: normal; /* Impact is already heavily bolded */
  line-height: 0.85;
  letter-spacing: 0.03em;
  text-transform: none; /* Override uppercase from body */
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.logo-enduro {
  color: var(--accent-color);
  font-size: 2.2rem;
  align-self: flex-end;
  margin-bottom: -8px; /* adjust for larger font */
  position: relative;
  z-index: 2;
  /* Clean white contour for maximum pop on orange background */
  -webkit-text-stroke: 1.5px #FFFFFF;
  text-shadow: 4px 4px 0px #000000;
}

.logo-ternopil {
  color: #FFFFFF;
  font-size: 2.8rem;
  align-self: flex-start;
  position: relative;
  z-index: 1;
  /* Clean, artifact-free contour */
  -webkit-text-stroke: 1.5px #000;
  text-shadow: 3px 3px 0px #000;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--line-width);
  background-color: var(--accent-color);
  flex-shrink: 0;
}

.menu-link {
  height: 70px;
  min-height: 70px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  cursor: pointer;
  background-color: var(--bg-color);
  transition: all 0.2s ease;
}

.menu-link:hover {
  background-color: var(--accent-color);
  color: #000;
}

a.menu-link {
  text-decoration: none;
  color: inherit;
}

.spacer {
  flex-grow: 1; /* Pushes footer down */
  background-color: var(--bg-color);
  min-height: 10px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  gap: 0.5rem;
  background-color: var(--bg-color);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.footer-nav div {
  cursor: pointer;
  transition: color 0.2s ease;
}

.footer-nav div:hover {
  color: var(--accent-color);
}

/* ================= Right Panel ================= */
.right-panel {
  display: flex;
  flex-direction: column;
  gap: var(--line-width);
  background-color: var(--accent-color);
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Top Nav Bar */
.top-nav-bar {
  display: flex;
  height: 90px;
  min-height: 90px;
  gap: var(--line-width);
  background-color: var(--accent-color);
  flex-shrink: 0;
}

.top-space {
  flex-grow: 1;
  background-color: var(--bg-color);
}

.top-link, .top-lang, .top-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-color);
  font-weight: 700;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.top-link {
  padding: 0 3rem;
}

.top-lang {
  padding: 0 2rem;
  gap: 1rem;
}

.top-lang strong {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.top-icons {
  padding: 0 2rem;
  gap: 1.5rem;
}

.top-link {
  cursor: pointer;
  transition: color 0.2s ease;
}

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

.top-phone {
  text-decoration: none;
  color: inherit;
  font-weight: 900;
  letter-spacing: 0.04em;
  font-size: 1.1rem;
}

.top-phone:hover {
  color: var(--accent-color);
}

.lang-btn {
  margin: 0 4px;
  cursor: pointer;
  transition: color 0.2s ease;
  font-weight: 500;
}

.lang-btn:hover {
  color: var(--accent-color);
}

.lang-btn.active {
  font-weight: 900;
  color: #000;
}

.top-icons svg {
  width: 24px;
  height: 24px;
  stroke: black;
  stroke-width: 2.5;
  cursor: pointer;
  transition: stroke 0.2s ease;
}

.top-icons svg:hover {
  stroke: var(--accent-color);
}

#mobileMenuBtn {
  display: none;
}

/* Hero Section */
.cell-hero {
  flex-grow: 1;
  min-height: calc(100vh - 90px - var(--line-width));
  flex-shrink: 0;
  background-color: #000000;
  
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 3rem;
  position: relative;
  overflow: hidden;
  transition: filter 0.4s ease; /* Magic transition for grayscale hover */
}

/* Grayscale the hero section when hovering over any navigation item */
.window-wrapper:has(.menu-link:hover, .footer-nav div:hover, .top-link:hover, .top-lang:hover, .top-icons svg:hover) .cell-hero {
  filter: grayscale(100%);
}

/* Hardcore stylized Stark bike */
.stark-bike {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
  position: relative;
  z-index: 1;
  /* Massive brutal drop shadow simulating a studio light */
  filter: drop-shadow(0px 40px 80px rgba(255, 74, 17, 0.4)) 
          drop-shadow(0px 10px 20px rgba(0, 0, 0, 0.8))
          contrast(1.1) 
          brightness(1.05);
  /* The black fade out gradient */
  -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 100%);
  mask-image: linear-gradient(to right, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 100%);
}

/* Bike Intro Section */
.cell-bike-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100vh;
  flex-shrink: 0;
  background-color: var(--accent-color);
  gap: var(--line-width);
}

.bike-intro-img {
  overflow: hidden;
  background-color: #000;
}

.bike-intro-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: contrast(110%) saturate(1.1);
  transition: transform 0.8s ease;
}

.bike-intro-img:hover img {
  transform: scale(1.03);
}

.bike-intro-text {
  background-color: #000;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4rem 4rem 5rem 4rem;
}

.bike-intro-label {
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.bike-intro-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(5rem, 10vw, 160px);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: #fff;
  margin: 0 0 3rem 0;
  text-shadow: 6px 6px 0px var(--accent-color);
}

.bike-intro-sub {
  font-family: 'Manrope', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-top: 2px solid #333;
  padding-top: 2rem;
}

/* Stats Section */
.cell-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--line-width);
  background-color: var(--accent-color); /* Orange grid lines */
  flex-shrink: 0;
}

.stat-cell {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 1rem;
  background-color: var(--bg-color); /* Inherits #E6E5E0 usually via bg-color */
  text-align: center;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.stat-cell:hover {
  background-color: #000;
  color: var(--accent-color);
}

.stat-cell:hover .stat-label {
  color: #fff;
}

.stat-label {
  font-family: 'Manrope', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #666;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent-color);
}

/* Highlights Section */
.cell-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--line-width);
  background-color: var(--accent-color);
  flex-shrink: 0;
}

.hl-image-col {
  background-color: #000;
  position: relative;
  display: flex;
  overflow: hidden;
  align-items: center;
  justify-content: center;
}

.hl-image-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  filter: grayscale(100%) contrast(1.2);
  transition: filter 0.4s ease, opacity 0.4s ease, transform 0.6s ease;
}

.hl-image-col:hover img {
  filter: grayscale(0%) contrast(1);
  opacity: 1;
  transform: scale(1.02);
}

.hl-image-title {
  position: absolute;
  top: 2rem;
  left: 3rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 4.5rem;
  font-weight: 900;
  color: #fff;
  line-height: 0.85;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  text-shadow: 4px 4px 0px #000;
  pointer-events: none;
}

.hl-list-col {
  display: flex;
  flex-direction: column;
  gap: var(--line-width);
  background-color: var(--accent-color);
}

.hl-item {
  display: flex;
  background-color: var(--bg-color);
  padding: 3rem;
  align-items: flex-start;
  gap: 2.5rem;
  transition: background-color 0.3s ease;
  flex-grow: 1; /* Stretch items to fill column height if needed */
}

.hl-item:hover {
  background-color: #fff;
}

.hl-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-color);
  line-height: 0.8;
  margin-top: -5px; /* Alignment tweak */
}

.hl-content h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 0.5rem 0;
  color: #000;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.hl-content p {
  font-family: 'Manrope', sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.5;
  color: #444;
  margin: 0;
}

/* Specs Section */
.cell-specs {
  display: flex;
  flex-direction: column;
  background-color: var(--accent-color);
  flex-shrink: 0;
}

.spec-title-bar {
  background-color: #000;
  color: #fff;
  padding: 4rem 3rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  border-bottom: var(--line-width) solid var(--accent-color);
}

.spec-category {
  display: grid;
  grid-template-columns: 350px 1fr;
  border-bottom: var(--line-width) solid var(--accent-color);
  background-color: var(--bg-color);
}

.spec-cat-title {
  padding: 3rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: #000;
  text-transform: uppercase;
  border-right: var(--line-width) solid var(--accent-color);
  background-color: var(--bg-color);
}

.spec-list {
  display: flex;
  flex-direction: column;
  background-color: var(--accent-color);
  gap: 2px; /* Inner row dividers */
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  background-color: var(--bg-color);
  transition: background-color 0.3s ease;
}

.spec-row:hover {
  background-color: #000;
}

.spec-key {
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #555;
  transition: color 0.3s ease;
}

.spec-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  color: #000;
  text-align: right;
  transition: color 0.3s ease;
}

.spec-row:hover .spec-key { color: #fff; }
.spec-row:hover .spec-val { color: var(--accent-color); }

/* Media Section */
.cell-media {
  display: flex;
  flex-direction: column;
  background-color: var(--accent-color); /* Separator line between title and grid */
  gap: var(--line-width);
  flex-shrink: 0;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 420px);
  justify-content: center;
  gap: var(--line-width);
  background-color: var(--accent-color);
  padding: 4rem;
  background-color: #000;
}

.media-wrapper {
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  width: 420px;
  height: 745px; /* 420 × 16/9 ≈ 747px — правильний 9:16 */
  border: var(--line-width) solid var(--accent-color);
}

.media-wrapper.bg-white {
  background-color: var(--bg-color);
}

.media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.4s ease, transform 0.6s ease;
}

.media-wrapper:hover .media-img {
  filter: grayscale(0%);
  transform: scale(1.03);
}

.media-vid {
  width: 100%;
  height: 100%;
  border: none;
}

/* Rider Section */
.cell-rider {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--line-width);
  background-color: var(--accent-color);
  flex-shrink: 0;
}

.rider-text-col {
  display: flex;
  flex-direction: column;
  padding: 5rem 4rem;
  background-color: #000;
  color: #fff;
}

.rider-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 5rem;
  font-weight: 900;
  margin: 0 0 3rem 0;
  line-height: 0.85;
  letter-spacing: -0.03em;
  color: var(--accent-color);
  text-shadow: 4px 4px 0px #333;
}

.rider-desc {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: #ccc;
  max-width: 90%;
}

.rider-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 2rem;
  margin-top: auto; /* Push to bottom */
  padding-top: 4rem;
  border-top: var(--line-width) solid #333;
}

.rider-kpi {
  display: flex;
  flex-direction: column;
}

.kpi-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  color: #fff;
  line-height: 0.9;
  margin-bottom: 0.5rem;
}

.kpi-lbl {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.rider-img-col {
  background-color: var(--bg-color);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.rider-img-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.1) grayscale(60%);
  transition: filter 0.4s ease;
}

.cell-rider:hover .rider-img-col img {
  filter: contrast(1.1) grayscale(0%);
}

/* Footer Section */
.cell-footer {
  display: flex;
  flex-direction: column;
  background-color: #000;
  color: #fff;
  flex-shrink: 0;
  border-top: var(--line-width) solid var(--accent-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 6rem 4rem;
  gap: 3rem;
  border-bottom: 1px solid #333;
}

.f-brand .logo-enduro {
  color: #000; /* Will be transparent with stroke for 'Enduro' inside inline HTML, and black for Ternopil. Wait, Ternopil should be white in footer. */
  font-size: 5rem;
  text-shadow: none;
}

/* Override just for footer logo */
.f-brand .logo-enduro {
  color: #fff;
}
.f-brand .logo-enduro .white-stroke {
  color: transparent !important;
  -webkit-text-stroke: 2px #fff;
}

.f-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

.f-link {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  transition: color 0.3s ease, transform 0.3s ease;
}

.f-link:hover {
  color: var(--accent-color);
  transform: translateX(15px);
}

.f-link.f-loc {
  color: #666;
  font-size: 1.5rem;
  margin-top: 1rem;
}
.f-link.f-loc:hover {
  color: #666;
  transform: none;
}

.f-phone {
  display: flex;
  align-items: center;
  color: var(--accent-color);
}

.f-phone:hover {
  color: #fff;
  transform: translateX(15px);
}

@keyframes ring {
  0%, 100% { transform: rotate(0deg); }
  20%       { transform: rotate(-15deg); }
  40%       { transform: rotate(15deg); }
  60%       { transform: rotate(-10deg); }
  80%       { transform: rotate(10deg); }
}

.f-phone:hover .f-icon {
  animation: ring 0.6s ease;
}

.f-telegram {
  display: flex;
  align-items: center;
  color: #2CA5E0;
}

.f-telegram:hover {
  color: #56c8f5;
  transform: translateX(15px);
}

.f-telegram:hover .f-icon {
  transform: scale(1.15) translateY(-2px);
}

/* Social Brand Icons */
.f-icon {
  width: 0.9em;
  height: 0.9em;
  vertical-align: middle;
  margin-right: 0.5em;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.f-instagram {
  display: flex;
  align-items: center;
  color: #C13584;
}

.f-instagram:hover {
  color: #E1306C;
  transform: translateX(15px);
}

.f-instagram:hover .f-icon {
  transform: rotate(-10deg) scale(1.15);
}

.f-youtube {
  display: flex;
  align-items: center;
  color: #FF0000;
}

.f-youtube:hover {
  color: #FF4444;
  transform: translateX(15px);
}

.f-youtube:hover .f-icon {
  transform: scale(1.2);
}

/* Footer nav sidebar link */
.footer-nav-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding: 2rem 4rem;
  font-family: 'Manrope', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: #666;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.f-logo-img {
  max-width: 280px;
  height: auto;
  display: block;
  opacity: 0.9;
}



.stark-bike {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  min-width: 800px;
  max-width: 1200px;
  height: auto;
  z-index: 1;
  filter: contrast(130%) brightness(1.15) saturate(1.2) drop-shadow(-15px 0px 20px rgba(255, 255, 255, 0.15));
  -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,1) 15%, rgba(0,0,0,0.4) 60%, rgba(0,0,0,0) 95%);
  mask-image: linear-gradient(to right, rgba(0,0,0,1) 15%, rgba(0,0,0,0.4) 60%, rgba(0,0,0,0) 95%);
  pointer-events: none;
}

/* Hero Phone Number */
.hero-phone {
  position: absolute;
  bottom: 2.5rem;
  right: 3rem;
  z-index: 3;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--accent-color);
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 2px;
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.hero-phone:hover {
  color: #fff;
  border-color: #fff;
  transform: translateY(-3px);
}

/* The hero text matching BELAZ */
.hero-text {
  position: relative;
  margin-top: calc(35vh + 0.5em);
  z-index: 2;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 11vw, 200px);
  font-weight: 900;
  line-height: 0.78;
  letter-spacing: -0.05em;
  margin-left: -1rem;
}

.hero-solid {
  color: var(--accent-color);
  display: block;
}

.hero-outline {
  -webkit-text-stroke: 3px var(--accent-color);
  color: transparent;
  display: block;
}

/* ================= Responsiveness ================= */

/* Fluid Typography & Base Adjustments */
@media (max-width: 1024px) {
  .brutal-grid { grid-template-columns: 240px 1fr; }
  .hero-text { font-size: 15vw; }
  .top-link { display: none; }
}

@media (max-width: 768px) {
  body {
    overflow-y: auto;
    height: auto;
  }

  .window-wrapper {
    height: auto;
    overflow: visible;
  }

  /* Grid Refactor */
  .brutal-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    overflow: visible;
  }

  /* Mobile Sidebar (Drawer) */
  .left-sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    z-index: 1100;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    border-right: var(--line-width) solid var(--accent-color);
  }

  .left-sidebar.active {
    transform: translateX(280px);
  }

  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(4px);
    z-index: 1050;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  body.menu-open {
    overflow: hidden;
  }

  /* Main Content Area */
  .right-panel {
    height: auto;
    overflow: visible;
  }

  .top-nav-bar {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 70px;
    min-height: 70px;
    justify-content: space-between;
  }

  .top-space {
    display: none;
  }

  .top-lang, .top-icons {
    padding: 0 1rem;
    gap: 0.5rem;
  }

  .top-icons #mobileMenuBtn {
    display: block;
  }

  /* Prevent horizontal overflow */
  .window-wrapper, body {
    overflow-x: hidden;
    width: 100%;
  }

  /* Hero Section */
  .cell-hero {
    min-height: 80vh;
    padding: 4rem 1.5rem 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    box-sizing: border-box;
  }

  .hero-text {
    margin-top: 0;
    font-size: 16vw;
    line-height: 0.8;
  }

  .stark-bike {
    min-width: 0; /* Important: remove the 800px constraint */
    max-width: 100%;
    width: 100%;
    margin-top: 2rem;
    position: relative;
    left: 0;
    transform: none;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 70%, rgba(0,0,0,0) 100%);
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 70%, rgba(0,0,0,0) 100%);
  }

  .hero-phone {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: 2rem;
    display: inline-block;
    font-size: 1.2rem;
    width: fit-content;
  }


  /* Bike Intro */
  .cell-bike-intro {
    grid-template-columns: 1fr;
    height: auto;
  }

  .bike-intro-text {
    padding: 3rem 1.5rem;
  }

  .bike-intro-title {
    font-size: 15vw;
    margin-bottom: 2rem;
  }

  /* Stats Grid */
  .cell-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-cell {
    padding: 2rem 1rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  /* Highlights */
  .cell-highlights {
    grid-template-columns: 1fr;
  }

  .hl-image-col {
    height: 300px;
  }

  .hl-image-title {
    font-size: 10vw;
    left: 1.5rem;
    top: 1.5rem;
  }

  .hl-item {
    padding: 2rem 1.5rem;
    gap: 1.5rem;
  }

  .hl-num {
    font-size: 2.5rem;
  }

  /* Specs */
  .spec-title-bar {
    font-size: 2.5rem;
    padding: 3rem 1.5rem;
  }

  .spec-category {
    grid-template-columns: 1fr;
  }

  .spec-cat-title {
    padding: 1.5rem;
    font-size: 1.5rem;
    border-right: none;
    border-bottom: var(--line-width) solid var(--accent-color);
  }

  .spec-row {
    padding: 1.2rem 1.5rem;
  }

  .spec-key {
    font-size: 0.85rem;
  }

  .spec-val {
    font-size: 1.1rem;
  }

  /* Media */
  .media-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
  }

  .media-wrapper {
    width: 100%;
    height: auto;
    aspect-ratio: 9/16;
  }

  /* Rider */
  .cell-rider {
    grid-template-columns: 1fr;
  }

  .rider-text-col {
    padding: 3rem 1.5rem;
  }

  .rider-title {
    font-size: 3.5rem;
  }

  .rider-desc {
    font-size: 1.1rem;
    max-width: 100%;
  }

  .rider-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1rem;
  }

  .kpi-num {
    font-size: 2.5rem;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
  }

  .f-brand .logo-enduro {
    font-size: 3.5rem;
  }

  .f-link {
    font-size: 1.5rem;
  }

  .f-link.f-loc {
    font-size: 1.1rem;
  }

  .footer-bottom {
    padding: 1.5rem;
    font-size: 0.75rem;
  }

  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 480px) {
  .cell-stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-text {
    font-size: 20vw;
  }

  .bike-intro-title {
    font-size: 18vw;
  }
}

/* ================= Back to Top ================= */
.back-to-top {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 10000;

  width: 56px;
  height: 56px;
  background-color: var(--accent-color);
  color: #000;
  border: 3px solid #000;
  border-radius: 0; /* Brutalist — no radius */
  cursor: pointer;
  padding: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  /* Hidden by default */
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease,
              background-color 0.2s ease, color 0.2s ease,
              border-color 0.2s ease;
}

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

.back-to-top:hover {
  background-color: #000;
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  transition: transform 0.2s ease;
}

.back-to-top:hover svg {
  transform: translateY(-3px);
}