/* ===================================================================
   TK MOTORCYCLES LIMITED — Global Stylesheet
   Verma Bajaj Authorized Dealers, Uganda
   =================================================================== */

:root {
  --black: #121212;
  --near-black: #1a1a1a;
  --red: #e30613;
  --red-dark: #a80510;
  --white: #ffffff;
  --off-white: #f4f4f2;
  --gray: #4a4a4a;
  --light-gray: #d9d9d9;
  --font: 'Segoe UI', Roboto, Arial, sans-serif;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--near-black);
  background: var(--off-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 70px 0;
}

.section-alt {
  background: var(--near-black);
  color: var(--white);
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 45px;
  font-size: 1.05rem;
}

.section-alt .section-subtitle { color: #cfcfcf; }

.eyebrow {
  display: inline-block;
  color: var(--red);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 3px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .25s ease;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); }
.btn-outline { border-color: var(--white); color: var(--white); background: transparent; }
.btn-outline:hover { background: var(--white); color: var(--near-black); }
.btn-outline-dark { border-color: var(--near-black); color: var(--near-black); background: transparent; }
.btn-outline-dark:hover { background: var(--near-black); color: var(--white); }

/* ---------------- Header / Nav ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 30px;
  background: rgba(18,18,18,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 3px solid var(--red);
}

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

.brand .logo-box {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  /* border: 2px solid var(--red); */
}

.brand .logo-box img { width: 100%; height: 100%; object-fit: cover; }

.brand-text .name {
  color: var(--white);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  line-height: 1.1;
}
.brand-text .tagline {
  color: var(--red);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav > ul > li { position: relative; }

.main-nav a.nav-link {
  display: block;
  padding: 10px 16px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 3px;
  transition: background .2s ease, color .2s ease;
}
.main-nav a.nav-link:hover,
.main-nav li.active > a.nav-link { color: var(--red); }

.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--white);
  box-shadow: var(--shadow);
  border-top: 3px solid var(--red);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .2s ease;
  padding: 8px 0;
}
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 12px 20px;
  color: var(--near-black);
  font-size: 0.88rem;
  font-weight: 600;
}
.dropdown-menu a:hover { background: var(--off-white); color: var(--red); padding-left: 26px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
}

/* ---------------- Hero (fixed background) ----------------
   DEVELOPER NOTE: Per the brief, hero banners must use a FIXED
   background image of a REAL motorcycle. No client photos were
   supplied yet, so a branded dark/red gradient + racing-stripe
   texture stands in for now. To add the real photo, set:
     background-image: url('images/hero-bike.jpg');
   on .hero (and images/page-hero-<name>.jpg on .page-hero) —
   background-attachment:fixed is already wired up and will make
   the photo stay fixed while the page scrolls over it. */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0b0b0b 0%, #1c1c1c 55%, #3a0a10 100%);
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
  color: var(--white);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: repeating-linear-gradient(45deg, rgba(227,6,19,0.07) 0px, rgba(227,6,19,0.07) 2px, transparent 2px, transparent 42px);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 45%, rgba(0,0,0,0.1) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 680px; }
.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero-content h1 span { color: var(--red); }
.hero-content p { font-size: 1.15rem; margin-bottom: 30px; color: #eee; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.page-hero {
  min-height: 42vh;
  background: linear-gradient(135deg, #0b0b0b 0%, #1c1c1c 55%, #3a0a10 100%);
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: repeating-linear-gradient(45deg, rgba(227,6,19,0.07) 0px, rgba(227,6,19,0.07) 2px, transparent 2px, transparent 42px);
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero .eyebrow { color: var(--red); }
.page-hero h1 {
  font-size: 2.6rem;
  font-weight: 900;
  text-transform: uppercase;
}
.breadcrumb { margin-top: 10px; font-size: 0.85rem; color: #ddd; }
.breadcrumb a { color: var(--red); }

/* ---------------- Photo Placeholder Component ----------------
   NOTE FOR DEVELOPER / CLIENT:
   These styled boxes mark exactly where a REAL photo must be inserted.
   To replace: put the real photo file in /images/ using the filename
   noted in the label (data-file), then either:
     a) swap the wrapping <div class="photo-ph"> for an <img> tag, or
     b) set style="background-image:url('images/your-photo.jpg')" on
        the .photo-ph element and remove the ph-inner label.
------------------------------------------------------------------ */
.photo-ph {
  position: relative;
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, #2b2b2b 0%, #161616 100%);
  border: 2px dashed rgba(227,6,19,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  text-align: center;
}
.photo-ph.tall { min-height: 340px; }
.photo-ph.short { min-height: 140px; }
.photo-ph.hero-size { min-height: 420px; }
.photo-ph .ph-inner { padding: 22px; color: #ddd; }
.photo-ph .ph-icon { font-size: 2.2rem; margin-bottom: 10px; opacity: 0.85; }
.photo-ph .ph-label { font-weight: 700; text-transform: uppercase; font-size: 0.82rem; letter-spacing: 0.5px; color: var(--white); }
.photo-ph .ph-file { display: block; margin-top: 6px; font-size: 0.72rem; color: var(--red); font-family: monospace; }

/* ---------------- Quick Links (Home) ---------------- */
.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.quick-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
}
.quick-card:hover { transform: translateY(-8px); box-shadow: 0 14px 30px rgba(0,0,0,0.18); }
.quick-card .photo-ph { border-radius: 0; min-height: 160px; }
.quick-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.quick-card-body h3 { font-size: 1.1rem; text-transform: uppercase; margin-bottom: 8px; }
.quick-card-body p { color: var(--gray); font-size: 0.9rem; flex: 1; }
.quick-card-body a.link-arrow { color: var(--red); font-weight: 700; font-size: 0.85rem; margin-top: 12px; text-transform: uppercase; }

/* ---------------- 3 S's ---------------- */
.three-s {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.s-card {
  background: var(--near-black);
  color: var(--white);
  border-top: 4px solid var(--red);
  padding: 34px 26px;
  text-align: center;
  border-radius: 4px;
}
.s-card .s-letter { font-size: 2.6rem; font-weight: 900; color: var(--red); }
.s-card h3 { text-transform: uppercase; margin: 10px 0; font-size: 1.15rem; }
.s-card p { color: #cfcfcf; font-size: 0.92rem; }

/* ---------------- Tabs ---------------- */
.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}
.tab-btn {
  padding: 12px 26px;
  background: var(--white);
  border: 2px solid var(--near-black);
  color: var(--near-black);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .2s ease;
}
.tab-btn:hover { border-color: var(--red); color: var(--red); }
.tab-btn.active { background: var(--red); border-color: var(--red); color: var(--white); }

.tab-panel { display: none; animation: fadeIn .4s ease; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px);} to { opacity: 1; transform: translateY(0);} }

/* ---------------- Slides / Carousel ---------------- */
.slider {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}
.slider-track {
  display: flex;
  transition: transform .5s ease;
}
.slide { min-width: 100%; }
.slider-controls {
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  padding: 0 14px;
}
.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(18,18,18,0.75);
  color: var(--white);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.slider-btn:hover { background: var(--red); }
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.slider-dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--light-gray);
  cursor: pointer;
}
.slider-dots button.active { background: var(--red); width: 26px; border-radius: 6px; }

/* ---------------- Bike Detail Layout ----------------
   Photo stacks ABOVE the write-up (per client request), full width. */
.bike-panel {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.bike-panel > .photo-ph { width: 100%; }
.bike-info { width: 100%; max-width: 900px; margin: 0 auto; }
.bike-info .warranty-badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.bike-info h2 { font-size: 1.9rem; text-transform: uppercase; margin-bottom: 6px; }
.bike-info .bike-strap { color: var(--red); font-weight: 700; margin-bottom: 16px; }
.bike-info p.desc { color: var(--gray); margin-bottom: 22px; }

.key-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.key-spec {
  background: var(--off-white);
  border-left: 3px solid var(--red);
  padding: 12px 14px;
  border-radius: 3px;
}
.key-spec .val { font-weight: 800; font-size: 1.05rem; }
.key-spec .lbl { font-size: 0.72rem; text-transform: uppercase; color: var(--gray); letter-spacing: 0.5px; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
.spec-table caption {
  text-align: left;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--red);
  padding: 14px 0 8px;
  font-size: 0.9rem;
  letter-spacing: 1px;
}
.spec-table tr { border-bottom: 1px solid var(--light-gray); }
.spec-table td { padding: 9px 6px; font-size: 0.9rem; }
.spec-table td:first-child { color: var(--gray); width: 45%; }
.spec-table td:last-child { font-weight: 600; }

.spec-tables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 32px;
  margin-top: 6px;
}

.feature-chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
  gap: 16px;
  margin-top: 20px;
}
.feature-chip { text-align: center; }
.feature-chip .photo-ph { min-height: 120px; margin-bottom: 8px; }
.feature-chip span { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; color: var(--gray); }

/* ---------------- Requirements Box ---------------- */
.requirements-box {
  background: var(--near-black);
  color: var(--white);
  border-radius: 8px;
  padding: 40px;
  margin-top: 60px;
}
.requirements-box h2 { text-transform: uppercase; margin-bottom: 6px; }
.requirements-box .section-subtitle { color: #ccc; margin-bottom: 30px; }
.req-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}
.req-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  padding: 24px;
}
.req-card h3 { color: var(--red); text-transform: uppercase; margin-bottom: 12px; font-size: 1rem; }
.req-card ul li { padding-left: 20px; position: relative; margin-bottom: 8px; font-size: 0.92rem; color: #ddd; }
.req-card ul li::before { content: "✓"; color: var(--red); position: absolute; left: 0; font-weight: 900; }
.req-note {
  background: rgba(227,6,19,0.12);
  border-left: 4px solid var(--red);
  padding: 16px 20px;
  font-size: 0.92rem;
  border-radius: 4px;
}

/* ---------------- Spares / Category Cards ---------------- */
.part-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  padding: 26px;
  margin-bottom: 26px;
}
.part-card h3 { text-transform: uppercase; font-size: 1.2rem; margin-bottom: 6px; }
.part-card .part-desc { color: var(--gray); margin-bottom: 16px; font-size: 0.93rem; }
.part-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.part-cols h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.part-cols .benefits h4 { color: #1a8a3d; }
.part-cols .hazards h4 { color: var(--red); }
.part-cols ul li { font-size: 0.85rem; padding-left: 16px; position: relative; margin-bottom: 6px; color: var(--gray); }
.part-cols .benefits li::before { content: "+"; position: absolute; left: 0; color: #1a8a3d; font-weight: 900; }
.part-cols .hazards li::before { content: "!"; position: absolute; left: 0; color: var(--red); font-weight: 900; }

/* ---------------- Banner strip ---------------- */
.banner-strip {
  background: var(--red);
  color: var(--white);
  text-align: center;
  padding: 26px 20px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
}

/* ---------------- Feature Icon Grid ---------------- */
.icon-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.icon-feature {
  background: var(--white);
  padding: 26px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  border-top: 3px solid var(--red);
}
.icon-feature .icon { font-size: 1.8rem; margin-bottom: 10px; }
.icon-feature h4 { text-transform: uppercase; font-size: 0.98rem; margin-bottom: 8px; }
.icon-feature p { color: var(--gray); font-size: 0.88rem; }

/* ---------------- Gallery ---------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

/* ---------------- Bag sizes (Rice) ---------------- */
.bag-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.bag-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
  text-align: center;
}
.bag-card .photo-ph { border-radius: 0; }
.bag-card .bag-label { padding: 20px; font-weight: 800; text-transform: uppercase; font-size: 1.2rem; }

/* ---------------- Services ---------------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 50px 0;
  border-bottom: 1px solid var(--light-gray);
}
.service-block:nth-child(even) .service-text { order: 2; }
.service-block .badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.service-block h2 { text-transform: uppercase; margin-bottom: 14px; font-size: 1.6rem; }
.service-block p { color: var(--gray); margin-bottom: 14px; }
.service-block ul li { padding-left: 22px; position: relative; margin-bottom: 8px; color: var(--gray); }
.service-block ul li::before { content: "→"; color: var(--red); position: absolute; left: 0; font-weight: 900; }

.warranty-table-wrap {
  background: var(--near-black);
  color: var(--white);
  border-radius: 8px;
  padding: 40px;
}
.warranty-table-wrap h2 { text-transform: uppercase; margin-bottom: 20px; }
table.warranty-table { width: 100%; border-collapse: collapse; }
table.warranty-table th, table.warranty-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  text-align: left;
  font-size: 0.92rem;
}
table.warranty-table th { color: var(--red); text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.5px; }

/* ---------------- Journey ---------------- */
.timeline { max-width: 850px; margin: 0 auto; }
.timeline-item {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 60px;
}
.timeline-item:nth-child(even) .photo-ph { order: 2; }
.timeline-item h3 { text-transform: uppercase; color: var(--red); margin-bottom: 10px; font-size: 1.3rem; }
.timeline-item p { color: var(--gray); }

/* ---------------- Contact ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  padding: 30px;
}
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-item .ci-icon {
  width: 46px; height: 46px;
  background: var(--red);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item h4 { text-transform: uppercase; font-size: 0.9rem; margin-bottom: 4px; }
.contact-item p, .contact-item a { color: var(--gray); font-size: 0.92rem; }
.contact-item a:hover { color: var(--red); }

/* ---------------- Sports (placeholder page) ---------------- */
.placeholder-panel {
  border: 2px dashed var(--light-gray);
  border-radius: 10px;
  padding: 70px 40px;
  text-align: center;
  color: var(--gray);
}
.placeholder-panel .ph-icon-lg { font-size: 3rem; margin-bottom: 16px; }

/* ---------------- Footer ---------------- */
.site-footer {
  background: var(--black);
  color: #cfcfcf;
  padding: 60px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 { color: var(--white); text-transform: uppercase; margin-bottom: 16px; font-size: 0.95rem; }
.footer-col p, .footer-col a { font-size: 0.88rem; color: #b8b8b8; display: block; margin-bottom: 10px; }
.footer-col a:hover { color: var(--red); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: #888;
}

/* ---------------- WhatsApp Floating Button ---------------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 62px;
  height: 62px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
  z-index: 1000;
  font-size: 1.8rem;
  color: var(--white);
  animation: pulse 2.4s infinite;
}
.whatsapp-float:hover { background: #1ebe5b; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.55), 0 6px 18px rgba(0,0,0,0.35); }
  70% { box-shadow: 0 0 0 14px rgba(37,211,102,0), 0 6px 18px rgba(0,0,0,0.35); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 6px 18px rgba(0,0,0,0.35); }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 980px) {
  .quick-links { grid-template-columns: repeat(2, 1fr); }
  .three-s { grid-template-columns: 1fr; }
  .spec-tables-grid { grid-template-columns: 1fr 1fr; }
  .req-grid { grid-template-columns: 1fr; }
  .part-card { grid-template-columns: 1fr; }
  .part-cols { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2,1fr); }
  .bag-grid { grid-template-columns: 1fr; }
  .service-block { grid-template-columns: 1fr; }
  .service-block:nth-child(even) .service-text { order: 0; }
  .timeline-item { grid-template-columns: 1fr; }
  .timeline-item:nth-child(even) .photo-ph { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; top: 82px; left: 0; right: 0; background: var(--near-black); flex-direction: column; max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  .main-nav.open { max-height: 600px; border-bottom: 3px solid var(--red); }
  .main-nav ul { flex-direction: column; width: 100%; gap: 0; }
  .main-nav > ul > li { width: 100%; }
  .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; border-top: none; background: #222; }
  .dropdown.open .dropdown-menu { display: block; }
  .nav-toggle { display: flex; }
  .hero-content h1 { font-size: 2.1rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .key-specs { grid-template-columns: 1fr 1fr; }
  .spec-tables-grid { grid-template-columns: 1fr; }
}