/*
 * Ballinger Industries, Inc. - 2025 Corporate Web Theme
 * Design system implements the redesign plan: heavy equipment industrial style,
 * typography-first layout, disciplined grid, and restrained motion.
 */

/* 1. CSS Variable System */
:root {
  /* Brand Palette */
  --primary: #1C1C1C;           /* Mechanical black */
  --primary-dark: #0A0A0A;      /* Deep black */
  --secondary: #FFB800;         /* Engineering yellow */
  --secondary-dark: #CC9200;    /* Deep engineering yellow */
  --accent: #DC2626;            /* Safety red */
  --text-dark: #111827;
  --text-light: #FFFFFF;
  --text-muted: #6B7280;
  --background: #F9FAFB;
  --surface: #FFFFFF;
  --concrete: #6B7280;
  --dust: #D1D5DB;
  --border: #D1D5DB;

  /* Typography */
  --font-heading: 'Oswald', Arial, sans-serif;
  --font-body: 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* Type Scale */
  --text-xs: 0.8rem;
  --text-sm: 0.95rem;
  --text-base: 1.05rem;
  --text-lg: 1.2rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.6rem;
  --text-4xl: 3.3rem;

  /* Spacing */
  --space-2xs: 0.35rem;
  --space-xs: 0.6rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6rem;

  /* Radius & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 14px 32px rgba(0, 0, 0, 0.16);

  /* Layout */
  --max-width: 1200px;
  --header-height: 82px;

  /* Motion */
  --transition-fast: 140ms ease;
  --transition: 220ms ease;
}

/* 2. Reset & Base */
* { box-sizing: border-box; }
*::selection { background: var(--secondary); color: var(--primary); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--background);
  padding-top: var(--header-height);
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.5px;
  color: var(--primary);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p { margin: 0 0 var(--space-sm); }

img { max-width: 100%; display: block; height: auto; border-radius: var(--radius-sm); }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul { padding-left: 1.1rem; margin: 0 0 var(--space-sm); }
li { margin-bottom: var(--space-2xs); }

.container {
  width: 92%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section { padding: var(--space-2xl) 0; }
.section-tight { padding: var(--space-xl) 0; }
.section-muted { background: #F3F4F6; }
.section-dark { background: var(--primary); color: var(--text-light); }
.section-dark h2, .section-dark h3, .section-dark p, .section-dark a { color: var(--text-light); }

.grid { display: grid; gap: var(--space-lg); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.content-section { padding: var(--space-2xl) 0; }
.content-section.alt, .content-section:nth-of-type(even) { background: #f3f3f3; }
.content-section .container { position: relative; }

.two-col-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
  align-items: center;
}

.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); }
.flex-wrap { flex-wrap: wrap; }

.eyebrow { text-transform: uppercase; letter-spacing: 1px; font-size: var(--text-xs); color: var(--accent); font-weight: 700; }
.lead { font-size: var(--text-lg); max-width: 900px; }

/* 3. Header & Navigation */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(28, 28, 28, 0.96);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-md);
  z-index: 1000;
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-light);
  font-weight: 700;
  letter-spacing: 0.8px;
  white-space: nowrap;
}

.logo img { height: 38px; width: auto; border-radius: 0; }
.site-header .logo { gap: var(--space-2xs); }
.site-header .logo img { transform: translateX(-6px); }

.nav { display: flex; align-items: center; }
.nav__list { display: flex; list-style: none; padding: 0; margin: 0; gap: var(--space-sm); }
.nav__link, .nav__button {
  color: var(--text-light);
  font-weight: 600;
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav__link:hover, .nav__button:hover { color: var(--secondary); }

.has-dropdown { position: relative; }
.nav__button { background: none; border: none; cursor: pointer; font: inherit; }
.dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  background: var(--primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) 0;
  list-style: none;
  z-index: 20;
}

.dropdown li { margin: 0; }
.dropdown a { color: var(--text-light); display: block; padding: 0.6rem 0.9rem; }
.dropdown a:hover { background: rgba(255, 255, 255, 0.08); color: var(--secondary); }

.has-dropdown.open .dropdown { display: block; }

.header__actions { display: flex; align-items: center; gap: var(--space-xs); }
.site-header .header__actions .btn { border: none; box-shadow: none; }
.site-header .header__actions .btn-ghost { background: transparent; border: none; }
.site-header .header__actions .btn-ghost:hover { color: var(--secondary); }
.site-header .header__actions .btn-primary { border: none; box-shadow: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--text-light);
  padding: 0.4rem 0.55rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* 4. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--secondary);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.18);
}
.btn-ghost:hover { color: var(--secondary); border-color: var(--secondary); }

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

.btn-link { padding: 0; border: none; background: none; color: var(--accent); font-weight: 700; }

.badge { display: inline-block; padding: 0.25rem 0.55rem; border-radius: 999px; background: var(--secondary); color: var(--primary); font-weight: 700; font-size: var(--text-xs); }

/* 5. Hero */
.hero {
  position: relative;
  min-height: 75vh;
  display: grid;
  align-items: center;
  color: var(--text-light);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0,0,0,0.78) 20%, rgba(0,0,0,0.45) 68%);
}

.hero__inner { position: relative; z-index: 2; max-width: 760px; padding: var(--space-3xl) 0 var(--space-xl); }
.hero__kicker { font-size: var(--text-sm); letter-spacing: 1.1px; text-transform: uppercase; color: var(--secondary); font-weight: 700; }
.hero__title { font-size: clamp(2.8rem, 4vw, 3.6rem); margin: var(--space-sm) 0; color: var(--text-light); text-transform: uppercase; }
.hero__meta { display: flex; gap: var(--space-sm); color: rgba(255,255,255,0.85); font-weight: 600; }
.hero__actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-md); }
.hero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9);
}
.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.82);
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-top: var(--space-md);
}

/* 6. Equipment Lineup & Tabs */
.lineup {
  background: var(--primary-dark);
  color: var(--text-light);
  padding: var(--space-2xl) 0;
}
.lineup h2 { color: var(--text-light); text-transform: uppercase; letter-spacing: 0.8px; }
.lineup__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}
.lineup__rail {
  display: flex;
  gap: var(--space-md);
  overflow: hidden;
  padding: 0 0 var(--space-sm);
  scroll-snap-type: none;
  position: relative;
}
.lineup-card {
  min-width: 320px;
  flex: 0 0 320px;
  background: linear-gradient(160deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-sm);
  scroll-snap-align: start;
  position: relative;
}
.lineup-card img {
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}
.lineup-card h3 { color: var(--text-light); margin-bottom: var(--space-2xs); text-transform: uppercase; }
.lineup-card .specs { display: grid; grid-template-columns: repeat(2, minmax(120px, 1fr)); gap: var(--space-2xs); color: rgba(255,255,255,0.82); font-size: var(--text-sm); }
.lineup-card .cta-row { display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-sm); gap: var(--space-sm); flex-wrap: wrap; }
.lineup-card .tag { background: rgba(255,184,0,0.12); color: var(--secondary); padding: 0.25rem 0.5rem; border-radius: 999px; font-weight: 700; font-size: var(--text-xs); }
.lineup__nav { display: flex; gap: 8px; }
.nav-pill { padding: 0.45rem 0.9rem; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15); border-radius: 999px; color: var(--text-light); font-weight: 700; cursor: pointer; transition: background var(--transition), border-color var(--transition); }
.nav-pill.active, .nav-pill:hover { background: var(--secondary); color: var(--primary); border-color: var(--secondary); }
.lineup__scroll {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.75);
  font-size: var(--text-sm);
}

/* 7. Feature Splits & Industry Grid */
.split-feature {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  align-items: center;
}
.split-feature img { width: 100%; height: auto; object-fit: cover; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.stat-chips { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin: var(--space-md) 0 var(--space-sm); }
.stat-chip {
  padding: 0.65rem 0.9rem;
  background: #111;
  color: var(--text-light);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--secondary);
  font-weight: 700;
  min-width: 140px;
}
.industry-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-sm); }
.industry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  display: grid;
  gap: var(--space-2xs);
  box-shadow: var(--shadow-sm);
}
.industry-card strong { color: var(--primary); letter-spacing: 0.3px; }
.industry-card .icon { font-size: 1.3rem; }

/* 8. Cards & Modules */
.card, .product-card, .support-card, .news-card, .value-card, .feature-card, .leadership-card, .job-card, .spec-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover, .product-card:hover, .support-card:hover, .news-card:hover, .value-card:hover, .feature-card:hover, .leadership-card:hover, .job-card:hover, .spec-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #bfbfbf;
}

.product-card img { height: 200px; width: 100%; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: var(--space-sm); }
.product-card .tag { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.6px; color: var(--accent); }
.product-card h3 { margin-bottom: var(--space-2xs); }
.product-card p { margin-bottom: var(--space-xs); }

.stat-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-sm); margin: var(--space-md) 0; }
.stat { padding: var(--space-sm); border-left: 4px solid var(--secondary); background: #fff8e1; border-radius: var(--radius-sm); }
.stat strong { display: block; font-size: var(--text-2xl); font-family: var(--font-heading); }

.support-card h3 { margin-bottom: var(--space-xs); }

.news-card img { height: 160px; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: var(--space-sm); }
.news-card small { color: #5c5c5c; font-weight: 600; }

.value-card { border-left: 4px solid var(--secondary); }
.feature-card { border-left: 4px solid var(--accent); }

.leadership-card img { width: 140px; height: 140px; object-fit: cover; border-radius: 50%; margin: 0 auto var(--space-sm); border: 4px solid var(--secondary); }
.leadership-card { text-align: center; }

.job-card { border-left: 4px solid var(--secondary); }
.specs { display: flex; gap: var(--space-2xs); flex-wrap: wrap; color: var(--text-muted); font-size: var(--text-sm); }

.metric-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.metric {
  background: #0f0f0f;
  color: var(--text-light);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  border-left: 4px solid var(--secondary);
  box-shadow: var(--shadow-sm);
}
.metric strong { display: block; font-size: var(--text-2xl); letter-spacing: 0.6px; }

.cta-banner {
  background: linear-gradient(120deg, #111 0%, #1f1f1f 70%);
  color: var(--text-light);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  align-items: center;
  box-shadow: var(--shadow-md);
}
.cta-banner h3 { margin: 0; color: var(--text-light); text-transform: uppercase; }
.cta-banner p { margin: 0; color: rgba(255,255,255,0.8); }

.map-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.map-panel img { border-radius: 0; height: 320px; object-fit: cover; width: 100%; }
.map-panel .map-meta { padding: var(--space-md); display: flex; justify-content: space-between; align-items: center; gap: var(--space-sm); flex-wrap: wrap; }

.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-sm); }
.news-meta { display: flex; align-items: center; gap: 10px; font-size: var(--text-sm); color: #5c5c5c; }
.news-meta span { display: inline-flex; align-items: center; gap: 6px; }

.equipment-configurator {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: var(--space-md);
}
.config-layout {
  display: grid;
  grid-template-columns: minmax(340px, 1.1fr) minmax(320px, 1fr);
  gap: var(--space-lg);
  align-items: start;
}
.config-preview {
  background: #0f0f0f;
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.config-preview img { border-radius: var(--radius-sm); height: 320px; width: 100%; object-fit: cover; }
.preview-controls { display: flex; gap: var(--space-xs); margin-top: var(--space-xs); flex-wrap: wrap; }

.config-options { display: grid; gap: var(--space-sm); }
.option-group { border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-sm); background: #fdfdfd; }
.option-group h3 { margin-bottom: var(--space-xs); }
.option-radio { display: flex; justify-content: space-between; gap: var(--space-xs); align-items: center; border: 1px solid var(--border); padding: 0.55rem 0.7rem; border-radius: var(--radius-sm); background: #fff; }
.option-radio input { width: auto; }
.option-radio .price { color: var(--accent); font-weight: 700; }

.config-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
  align-items: center;
}
.summary-spec {
  background: #0f0f0f;
  color: var(--text-light);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--secondary);
}
.summary-spec span { color: rgba(255,255,255,0.7); display: block; font-size: var(--text-sm); }

/* 9. Filters & Chips */
.pill-row { display: flex; gap: var(--space-xs); flex-wrap: wrap; margin: var(--space-sm) 0 var(--space-md); }
.pill { padding: 0.5rem 0.8rem; border-radius: 999px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-weight: 700; font-size: var(--text-sm); transition: background var(--transition), color var(--transition), border-color var(--transition); }
.pill.active { background: var(--secondary); color: var(--primary); border-color: var(--secondary); }

/* 10. Page Hero */
.page-hero {
  background: linear-gradient(110deg, #111 0%, #1f1f1f 45%, #0f0f0f 100%);
  color: var(--text-light);
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}
.page-hero h1 { color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; }
.page-hero p { color: rgba(255,255,255,0.9); max-width: 820px; margin: 0 auto; font-size: var(--text-lg); }

.breadcrumb { color: rgba(255,255,255,0.7); font-size: var(--text-sm); margin-bottom: var(--space-xs); }

/* 11. Content Blocks */
.section-header { text-align: center; margin-bottom: var(--space-lg); }
.section-header .lead { margin: 0 auto; color: #4a4a4a; }

.list-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-sm); }
.list-grid li { list-style: none; padding: var(--space-sm); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); }

.highlight-box { background: #111; color: var(--text-light); padding: var(--space-md); border-radius: var(--radius-md); }

.timeline { border-left: 3px solid var(--secondary); padding-left: var(--space-md); display: grid; gap: var(--space-md); }
.timeline-item { position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -1.1rem; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--secondary); box-shadow: 0 0 0 4px rgba(255,184,0,0.2); }

/* 12. Forms */
form { display: grid; gap: var(--space-sm); }
input, select, textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus, select:focus, textarea:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(255,184,0,0.25); }

label { font-weight: 700; font-size: var(--text-sm); }

.form-row { display: grid; gap: var(--space-sm); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.form-grid { display: grid; gap: var(--space-sm); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.form-group { display: flex; flex-direction: column; gap: 6px; }

/* 13. Tables */
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.table th, .table td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--border); text-align: left; font-size: var(--text-sm); }
.table th { background: #f2f2f2; font-weight: 800; text-transform: uppercase; letter-spacing: 0.6px; }
.table tr:last-child td { border-bottom: none; }

/* 14. Spec Compare */
.spec-compare { background: #111; color: var(--text-light); padding: var(--space-xl); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.spec-compare h3 { color: var(--secondary); text-transform: uppercase; }
.compare-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-sm); margin: var(--space-sm) 0; }
.compare-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: var(--space-sm); }
.compare-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; align-items: center; }
.compare-table { margin-top: var(--space-md); }
.compare-table td, .compare-table th { color: var(--text-dark); }

/* 15. Dealer Locator */
.dealer-locator { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md); box-shadow: var(--shadow-sm); }
.dealer-results { display: grid; gap: var(--space-sm); margin-top: var(--space-md); }
.dealer-card { padding: var(--space-sm); border: 1px solid var(--border); border-radius: var(--radius-sm); }

/* 16. Footer */
.footer {
  background: #0f0f0f;
  color: rgba(255,255,255,0.85);
  padding: var(--space-2xl) 0 var(--space-lg);
}
.footer a { color: rgba(255,255,255,0.85); }
.footer a:hover { color: var(--secondary); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-lg); }
.footer h4 { color: var(--text-light); margin-bottom: var(--space-sm); letter-spacing: 0.6px; }
.footer .logo { color: var(--text-light); font-size: 1.3rem; }
.footer-bottom { margin-top: var(--space-lg); border-top: 1px solid rgba(255,255,255,0.14); padding-top: var(--space-md); text-align: center; font-size: var(--text-sm); }

/* 17. Responsive */
@media (max-width: 1100px) {
  .nav { position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(28,28,28,0.98); padding: var(--space-sm) 0; display: none; }
  .nav__list { flex-direction: column; align-items: flex-start; }
  .nav.show { display: block; }
  .dropdown { position: static; width: 100%; box-shadow: none; border: none; background: rgba(255,255,255,0.04); }
  .header__actions { display: none; }
  .nav-toggle { display: inline-flex; }
  body { padding-top: var(--header-height); }
}

@media (max-width: 768px) {
  .hero { min-height: 70vh; }
  .hero__title { font-size: clamp(2.2rem, 7vw, 3rem); }
  .section { padding: var(--space-xl) 0; }
}