/* ============================================================
   DK1Global — main.css (2025 Redesign)
   Fonts   : Pretendard (primary), Noto Sans KR (fallback)
   Palette : Wacker Neuson — Charcoal + Amber (#F5A800)
   ============================================================ */

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* Light mode */
  --bg-primary:    #FFFFFF;
  --bg-secondary:  #F5F5F4;
  --bg-card:       #FFFFFF;
  --text-primary:  #1A1A1A;
  --text-secondary:#555555;
  --text-muted:    #999999;
  --accent:        #F5A800;
  --accent-dark:   #D4920A;
  --accent-light:  rgba(245, 168, 0, 0.12);
  --border:        rgba(0, 0, 0, 0.09);
  --shadow-sm:     rgba(0, 0, 0, 0.06);
  --shadow-md:     rgba(0, 0, 0, 0.12);
  --header-bg:     rgba(255, 255, 255, 0.92);

  /* Sizes */
  --header-h:      72px;
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --max-w:         1200px;

  /* Motion */
  --ease:          0.3s ease;
  --ease-slow:     0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg-primary:    #0F0F0F;
  --bg-secondary:  #1A1A1A;
  --bg-card:       #242424;
  --text-primary:  #F0F0F0;
  --text-secondary:#AAAAAA;
  --text-muted:    #666666;
  --border:        rgba(255, 255, 255, 0.09);
  --shadow-sm:     rgba(0, 0, 0, 0.25);
  --shadow-md:     rgba(0, 0, 0, 0.45);
  --header-bg:     rgba(15, 15, 15, 0.92);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Pretendard', 'Noto Sans KR', -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  padding-top: var(--header-h);
  overflow-x: hidden;
  transition: background-color var(--ease), color var(--ease);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }

/* ── Container ──────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 1000;
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: box-shadow var(--ease), background-color var(--ease), border-color var(--ease);
}

.header.scrolled {
  box-shadow: 0 4px 32px var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.logo-link { flex-shrink: 0; display: flex; align-items: center; }

.logo { height: 38px; width: auto; }

[data-theme="dark"] .logo { filter: brightness(0) invert(1); }

/* Nav */
.nav-menu {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--ease), background-color var(--ease);
}

.nav-menu a:hover {
  color: var(--accent);
  background-color: var(--accent-light);
}

/* Header right */
.header-right {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--ease), background-color var(--ease);
  white-space: nowrap;
}

.header-phone:hover {
  color: var(--accent);
  background-color: var(--accent-light);
}

.header-phone svg { flex-shrink: 0; }

/* Icon buttons */
.icon-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background-color var(--ease), color var(--ease);
}

.icon-btn:hover { background-color: var(--bg-secondary); color: var(--text-primary); }

/* Theme toggle icons */
.icon-moon { display: block; }
.icon-sun  { display: none; }

[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: block; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  padding: 9px 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color var(--ease);
}

.hamburger:hover { background-color: var(--bg-secondary); }

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  background-color: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open { max-height: 380px; }

.mobile-menu-item {
  display: block;
  padding: 15px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--ease), color var(--ease);
}

.mobile-menu-item:last-child { border-bottom: none; }
.mobile-menu-item:hover { background-color: var(--bg-secondary); color: var(--accent); }
.mobile-phone { color: var(--accent); font-weight: 600; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  background-color: #000;
  overflow: hidden;
}

/* PC: video */
.hero-video {
  position: relative;
  width: 100%;
}

.hero-iframe-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  overflow: hidden;
}

.hero-iframe-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.hero-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 72px;
  border: none;
  background-color: rgba(0, 0, 0, 0.38);
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--ease);
  line-height: 1;
}

.hero-nav-btn:hover { background-color: rgba(245, 168, 0, 0.75); }
.hero-nav-btn--prev { left: 16px; }
.hero-nav-btn--next { right: 16px; }

/* Mobile: static image */
.hero-mobile {
  display: none;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  min-height: 240px;
}

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

.hero-mobile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.62) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 24px 20px;
  gap: 6px;
}

.hero-tagline {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.75;
}

.hero-title {
  font-size: clamp(28px, 8vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 13px;
  font-weight: 400;
  opacity: 0.75;
  margin-bottom: 20px;
}

.hero-play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background-color: var(--accent);
  color: #000;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(245, 168, 0, 0.45);
  transition: transform var(--ease), background-color var(--ease), box-shadow var(--ease);
}

.hero-play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(245, 168, 0, 0.6);
}

/* ============================================================
   PRODUCT SECTIONS
   ============================================================ */
.product-section {
  padding: 100px 0;
  background-color: var(--bg-primary);
  transition: background-color var(--ease);
}

.product-section--alt { background-color: var(--bg-secondary); }

.product-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Alternating: image on right, text on left */
.product-inner--reverse .product-image-wrap { order: 2; }
.product-inner--reverse .product-content    { order: 1; }

/* Product image */
.product-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--bg-secondary);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image-wrap img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-image-wrap:hover img { transform: scale(1.05); }

.product-image-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background-color: rgba(0, 0, 0, 0.65);
  color: #fff;
  border: 1px solid var(--accent);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  backdrop-filter: blur(8px);
}

/* Product text */
.product-content { display: flex; flex-direction: column; gap: 0; }

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background-color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.section-headline {
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

/* Feature chips */
.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.feature-chip {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

.product-section--alt .feature-chip { background-color: var(--bg-primary); }

.section-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* YouTube links */
.product-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.product-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color var(--ease), color var(--ease), background-color var(--ease);
}

.product-link:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background-color: var(--accent-light);
}

.product-link-icon {
  width: 26px;
  height: 26px;
  min-width: 26px;
  background-color: #FF0000;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: #fff;
  font-style: normal;
}

/* Action buttons */
.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 0;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: background-color var(--ease), color var(--ease),
              transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.btn svg { flex-shrink: 0; }

.btn--primary {
  background-color: var(--accent);
  color: #111;
}

.btn--primary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 168, 0, 0.35);
}

.btn--outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background-color: var(--accent-light);
}

.btn--sm { padding: 8px 16px; font-size: 13px; }

/* ── Lovable link box ────────────────────────────────────── */
.lovable-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--accent);
  background-color: var(--accent-light);
  transition: background-color var(--ease), color var(--ease), box-shadow var(--ease);
  cursor: pointer;
}

.lovable-box:hover {
  background-color: var(--accent);
  color: #111;
  box-shadow: 0 8px 28px rgba(245, 168, 0, 0.3);
}

.lovable-box-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
  transition: color var(--ease);
}

.lovable-box:hover .lovable-box-label { color: #111; }

.lovable-box-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--ease);
}

.lovable-box:hover .lovable-box-text { color: #111; }

.lovable-box-arrow {
  font-size: 22px;
  flex-shrink: 0;
  color: var(--accent);
  transition: transform var(--ease), color var(--ease);
}

.lovable-box:hover .lovable-box-arrow {
  transform: translateX(5px);
  color: #111;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
  padding: 100px 0;
  background-color: var(--bg-primary);
  text-align: center;
  transition: background-color var(--ease);
}

.contact-section .section-headline { margin-bottom: 12px; }

.contact-section .section-desc {
  max-width: 480px;
  margin: 0 auto 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background-color: var(--bg-card);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.contact-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 40px var(--shadow-sm);
  transform: translateY(-4px);
}

.contact-card-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.contact-card-value {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: color var(--ease);
  word-break: break-all;
}

.contact-card-value:hover { color: var(--accent); }

/* ============================================================
   MAP SECTION
   ============================================================ */
.map-section {
  background-color: var(--bg-secondary);
  padding: 80px 0;
  transition: background-color var(--ease);
}

.map-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
}

.map-address h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.map-address p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 400px;
  border: 1px solid var(--border);
}

#map { width: 100%; height: 100%; }

/* ============================================================
   SNS SECTION
   ============================================================ */
.sns-section {
  background-color: var(--bg-primary);
  padding: 48px 0;
  display: flex;
  justify-content: center;
  border-top: 1px solid var(--border);
  transition: background-color var(--ease);
}

.sns-list { display: flex; gap: 16px; align-items: center; }

.sns-link {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--ease), background-color var(--ease), transform var(--ease);
}

.sns-link:hover {
  border-color: var(--accent);
  background-color: var(--accent-light);
  transform: translateY(-3px);
}

.sns-link img { width: 28px; height: 28px; object-fit: contain; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
  transition: background-color var(--ease);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}

.footer-brand h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-info { text-align: right; }

.footer-info p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.footer-info a {
  color: var(--text-secondary);
  transition: color var(--ease);
}

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

.footer-copyright {
  max-width: var(--max-w);
  margin: 32px auto 0;
  padding: 24px 48px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background-color: var(--accent);
  color: #111;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(245, 168, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity var(--ease), transform var(--ease), box-shadow var(--ease);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(245, 168, 0, 0.55);
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: opacity var(--ease);
  padding: 20px;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* PDF modal */
.modal--pdf {
  width: 85vw;
  max-width: 1100px;
  height: 88vh;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 96px rgba(0, 0, 0, 0.5);
  transform: scale(0.95) translateY(16px);
  transition: transform var(--ease);
}

.modal-overlay.open .modal--pdf { transform: scale(1) translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 15px;
  font-weight: 600;
}

.modal-actions { display: flex; align-items: center; gap: 8px; }

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--ease), color var(--ease);
}

.modal-close-btn:hover { background-color: var(--accent); color: #111; }

.modal-body { flex: 1; overflow: hidden; }

.modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* YouTube modal */
.modal--video {
  width: 85vw;
  max-width: 900px;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
  box-shadow: 0 32px 96px rgba(0, 0, 0, 0.6);
  transform: scale(0.95);
  transition: transform var(--ease);
}

.modal-overlay.open .modal--video { transform: scale(1); }

.modal-close-abs {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background-color: rgba(0, 0, 0, 0.6);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--ease);
}

.modal-close-abs:hover { background-color: rgba(245, 168, 0, 0.85); color: #111; }

.modal--video .modal-iframe { width: 100%; height: 100%; }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.animate {
  opacity: 0;
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate--fade-up    { transform: translateY(48px); }
.animate--fade-left  { transform: translateX(-48px); }
.animate--fade-right { transform: translateX(48px); }

.animate.in-view { opacity: 1; transform: none; }

.animate-delay-1 { transition-delay: 0.08s; }
.animate-delay-2 { transition-delay: 0.16s; }
.animate-delay-3 { transition-delay: 0.24s; }
.animate-delay-4 { transition-delay: 0.32s; }

/* ============================================================
   RESPONSIVE — Tablet (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .product-inner { gap: 48px; padding: 0 32px; }
  .map-inner     { gap: 32px; padding: 0 32px; }
  .footer-inner  { padding: 0 32px; }
  .footer-copyright { padding: 24px 32px 0; }
}

/* ============================================================
   RESPONSIVE — Mobile (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-h: 60px; }

  /* Header */
  .nav-menu      { display: none; }
  .header-phone  { display: none; }
  .hamburger     { display: flex; }
  .mobile-menu   { display: flex; }
  .header-right  { margin-left: auto; }

  /* Hero */
  .hero-video  { display: none; }
  .hero-mobile { display: block; }

  /* Products */
  .product-section { padding: 64px 0; }

  .product-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 0 20px;
  }

  .product-inner--reverse .product-image-wrap { order: unset; }
  .product-inner--reverse .product-content    { order: unset; }

  .section-headline { margin-bottom: 16px; }
  .section-desc { margin-bottom: 20px; }

  /* Contact */
  .contact-section { padding: 64px 0; }
  .contact-grid { grid-template-columns: 1fr; padding: 0 20px; }
  .contact-card-value { font-size: 20px; }

  /* Map */
  .map-section { padding: 56px 0; }
  .map-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 0 20px;
  }
  .map-frame { height: 280px; }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 20px;
    gap: 24px;
  }
  .footer-info { text-align: left; }
  .footer-copyright { padding: 20px 20px 0; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }

  /* Modals */
  .modal--pdf { width: 95vw; height: 82vh; border-radius: var(--radius-md); }
  .modal--video { width: 95vw; border-radius: var(--radius-md); }
}

/* ============================================================
   RESPONSIVE — Small mobile (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero-title { font-size: 26px; }

  .product-actions { flex-direction: column; }
  .btn { justify-content: center; }

  .lovable-box { flex-direction: column; align-items: flex-start; gap: 10px; }
  .lovable-box-arrow { display: none; }

  .contact-card { padding: 28px 20px; }
  .contact-card-value { font-size: 18px; }
}