/* ==========================================================================
   BABA Germany — Industrial Trading Website
   ========================================================================== */

/* ---- Design Tokens ---- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.375rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.75rem, 0.8rem + 6vw, 6.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.3rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.85rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-wide: 1240px;
  --content-default: 960px;
  --content-narrow: 680px;

  --font-display: 'Cabinet Grotesk', 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Segoe UI', sans-serif;
}

/* ---- Light Mode (default) ---- */
:root,
[data-theme='light'] {
  --color-bg: #f5f6f7;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfc;
  --color-surface-offset: #eef1f3;
  --color-surface-offset-2: #e2e7ea;
  --color-surface-dynamic: #d8dee2;
  --color-divider: #e1e5e9;
  --color-border: #d3d9dd;

  --color-text: #12181f;
  --color-text-muted: #565f6b;
  --color-text-faint: #94999f;
  --color-text-inverse: #f5f6f7;

  --color-primary: #c96a17;
  --color-primary-hover: #a85510;
  --color-primary-active: #82420d;
  --color-primary-highlight: #f2ddc2;

  --color-steel: #24425e;
  --color-steel-hover: #1a3147;
  --color-steel-highlight: #d7e0e8;

  --color-success: #3f7a3a;
  --color-success-highlight: #d9e8d6;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 250 / 0.06);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 250 / 0.10);
  --shadow-lg: 0 20px 48px oklch(0.15 0.02 250 / 0.16);
}

/* ---- Dark Mode ---- */
[data-theme='dark'] {
  --color-bg: #0c1015;
  --color-surface: #11161d;
  --color-surface-2: #151b23;
  --color-surface-offset: #191f28;
  --color-surface-offset-2: #212933;
  --color-surface-dynamic: #2a323d;
  --color-divider: #232a33;
  --color-border: #2c343e;

  --color-text: #e7eaee;
  --color-text-muted: #9aa3ae;
  --color-text-faint: #5e6772;
  --color-text-inverse: #11161d;

  --color-primary: #e8923f;
  --color-primary-hover: #f0a860;
  --color-primary-active: #f7c184;
  --color-primary-highlight: #3a2c1a;

  --color-steel: #7ba0c2;
  --color-steel-hover: #9cbadb;
  --color-steel-highlight: #1c2733;

  --color-success: #7cbb74;
  --color-success-highlight: #223221;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0c1015;
    --color-surface: #11161d;
    --color-surface-2: #151b23;
    --color-surface-offset: #191f28;
    --color-surface-offset-2: #212933;
    --color-surface-dynamic: #2a323d;
    --color-divider: #232a33;
    --color-border: #2c343e;
    --color-text: #e7eaee;
    --color-text-muted: #9aa3ae;
    --color-text-faint: #5e6772;
    --color-text-inverse: #11161d;
    --color-primary: #e8923f;
    --color-primary-hover: #f0a860;
    --color-primary-active: #f7c184;
    --color-primary-highlight: #3a2c1a;
    --color-steel: #7ba0c2;
    --color-steel-hover: #9cbadb;
    --color-steel-highlight: #1c2733;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.5);
  }
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.1; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection { background: color-mix(in oklab, var(--color-primary) 30%, transparent); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

a, button, [role='button'], input, textarea {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

/* ---- Layout Helpers ---- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}

section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); position: relative; }
.section-tight { padding-block: clamp(var(--space-10), 6vw, var(--space-20)); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-primary);
}
.eyebrow::before {
  content: ''; width: 18px; height: 2px; background: var(--color-primary); border-radius: var(--radius-full);
}

.section-head { max-width: 760px; margin-bottom: clamp(var(--space-10), 6vw, var(--space-16)); }
.section-head h2 { font-size: var(--text-2xl); margin-top: var(--space-3); }
.section-head p { color: var(--color-text-muted); font-size: var(--text-lg); margin-top: var(--space-4); max-width: 640px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center p { margin-inline: auto; }
.section-head.center .eyebrow::before { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600; padding: 0.85em 1.6em;
  border-radius: var(--radius-full); white-space: nowrap; border: 1px solid transparent;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-surface-offset); border-color: var(--color-text-faint); }
.btn-invert { background: #fff; color: #14181f; }
.btn-invert:hover { background: #e9ecef; transform: translateY(-1px); }
.btn-outline-light { background: transparent; color: #fff; border-color: color-mix(in oklab, #fff 35%, transparent); }
.btn-outline-light:hover { background: color-mix(in oklab, #fff 12%, transparent); border-color: #fff; }

.icon-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: var(--radius-md);
  background: var(--color-primary-highlight); color: var(--color-primary); flex-shrink: 0;
}
.icon-badge svg { width: 24px; height: 24px; }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 100; padding-block: var(--space-2);
  background: color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px); border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header.scrolled { border-color: var(--color-divider); box-shadow: var(--shadow-sm); }
.site-header.hide { transform: translateY(-100%); }

.header-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }

.brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.brand svg { width: 40px; height: 40px; color: var(--color-primary); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: -0.01em; }
.brand-text span { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-text-muted); }

.main-nav { display: flex; align-items: center; gap: var(--space-8); }
.main-nav a {
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted); position: relative;
}
.main-nav a:hover { color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: var(--space-4); }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-text-faint); background: var(--color-surface-offset); }
.theme-toggle svg { width: 18px; height: 18px; }

.nav-toggle {
  display: none; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: var(--radius-md); border: 1px solid var(--color-border);
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ---- Hero ---- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  padding-top: clamp(var(--space-16), 10vw, var(--space-24));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-20));
  color: #f5f6f7; overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 65%; }
.hero-media::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, oklch(0.08 0.02 260 / 0.55) 0%, oklch(0.08 0.02 260 / 0.78) 55%, oklch(0.06 0.02 260 / 0.92) 100%),
    linear-gradient(90deg, oklch(0.06 0.02 260 / 0.85) 0%, oklch(0.06 0.02 260 / 0.35) 55%, oklch(0.06 0.02 260 / 0.65) 100%);
}
.hero-inner { position: relative; z-index: 1; max-width: 780px; }
.hero .eyebrow { color: #f0a860; }
.hero .eyebrow::before { background: #f0a860; }
.hero h1 { font-size: var(--text-hero); margin-top: var(--space-5); color: #fff; }
.hero h1 em { font-style: normal; color: #f0a860; }
.hero-sub {
  margin-top: var(--space-6); font-size: var(--text-lg); max-width: 620px;
  color: color-mix(in oklab, #fff 82%, transparent);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-10); }

.hero-stats {
  position: relative; z-index: 1; margin-top: clamp(var(--space-16), 8vw, var(--space-24));
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6);
  padding-top: var(--space-8); border-top: 1px solid color-mix(in oklab, #fff 18%, transparent);
}
.stat-value { font-family: var(--font-display); font-size: var(--text-xl); color: #fff; }
.stat-label { font-size: var(--text-xs); color: color-mix(in oklab, #fff 65%, transparent); margin-top: var(--space-1); letter-spacing: 0.03em; }

/* ---- Marquee / trust strip ---- */
.trust-strip { padding-block: var(--space-6); border-bottom: 1px solid var(--color-divider); overflow: hidden; }
.trust-strip .container { display: flex; align-items: center; gap: var(--space-10); flex-wrap: wrap; justify-content: center; }
.trust-item { display: flex; align-items: center; gap: var(--space-2); color: var(--color-text-muted); font-size: var(--text-sm); font-weight: 500; }
.trust-item svg { width: 18px; height: 18px; color: var(--color-primary); }

/* ---- About ---- */
.about-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: center; }
.about-copy p { color: var(--color-text-muted); font-size: var(--text-base); margin-top: var(--space-5); }
.about-copy p:first-of-type {  margin-bottom: var(--space-6); }
.about-list { margin-top: var(--space-8); display: grid; gap: var(--space-4); }
.about-list li { display: flex; align-items: flex-start; gap: var(--space-4); }
.about-list h4 { font-family: var(--font-body); font-size: var(--text-base); font-weight: 700; }
.about-list p { margin-top: var(--space-1); font-size: var(--text-sm); color: var(--color-text-muted); }

.about-media { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-media-caption {
  position: absolute; left: var(--space-6); bottom: var(--space-6); right: var(--space-6);
  color: #fff; font-size: var(--text-sm); font-weight: 600;
}
.about-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, oklch(0.05 0.02 260 / 0.75) 100%); }

/* ---- Capability strip (Plant & Machinery) ---- */
.capability-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); margin-bottom: clamp(var(--space-10), 6vw, var(--space-16)); }
.capability-card {
  padding: var(--space-6); border-radius: var(--radius-lg); background: var(--color-surface);
  border: 1px solid var(--color-border); transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.capability-card:hover { transform: translateY(-3px); border-color: var(--color-primary); }
.capability-card h3 { font-family: var(--font-body); font-size: var(--text-base); font-weight: 700; margin-top: var(--space-4); }
.capability-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }

.machinery-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: stretch; }
.machinery-media { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-md); }
.machinery-media img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }

.industry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.industry-card {
  padding: var(--space-5) var(--space-6); border-radius: var(--radius-lg);
  background: var(--color-surface-offset); display: flex; gap: var(--space-4); align-items: flex-start;
}
.industry-card .icon-badge { width: 40px; height: 40px; background: var(--color-surface); }
.industry-card .icon-badge svg { width: 20px; height: 20px; }
.industry-card h4 { font-family: var(--font-body); font-size: var(--text-base); font-weight: 700; }
.industry-card p { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); }

/* ---- Spare parts / raw material split sections ---- */
.split-section { background: var(--color-surface-offset); }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: center; }
.split-layout.reverse .split-media { order: 2; }
.split-layout.reverse .split-copy { order: 1; }
.split-media { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-md); }
.split-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.split-copy p.lead { font-size: var(--text-lg); color: var(--color-text-muted); margin-top: var(--space-5); }

.tag-grid { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.tag-chip {
  display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-5);
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600;
}
.tag-chip svg { width: 16px; height: 16px; color: var(--color-primary); }

.material-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: var(--space-8); }
.material-card {
  padding: var(--space-6); border-radius: var(--radius-lg); background: var(--color-surface);
  border: 1px solid var(--color-border); text-align: left;
}
.material-card .icon-badge { margin-bottom: var(--space-4); }
.material-card h4 { font-family: var(--font-body); font-size: var(--text-base); font-weight: 700; }
.material-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }

/* ---- Global presence band ---- */
.presence-band {
  position: relative; color: #f5f6f7; overflow: hidden;
  background: linear-gradient(160deg, #0c1015 0%, #14212e 100%);
}
.presence-band .container { position: relative; z-index: 1; }
.presence-map { position: absolute; inset: 0; opacity: 0.5; }
.presence-map img { width: 100%; height: 100%; object-fit: cover; }
.presence-band::after { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, oklch(0.08 0.02 260 / 0.65), oklch(0.1 0.03 240 / 0.85)); }
.presence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); margin-top: clamp(var(--space-8), 5vw, var(--space-14)); }
.presence-card { padding: var(--space-6); border-radius: var(--radius-lg); border: 1px solid color-mix(in oklab, #fff 14%, transparent); background: color-mix(in oklab, #fff 4%, transparent); }
.presence-card h3 { font-family: var(--font-display); font-size: var(--text-lg); color: #fff; }
.presence-card p { font-size: var(--text-sm); color: color-mix(in oklab, #fff 72%, transparent); margin-top: var(--space-2); }
.presence-band .section-head h2, .presence-band .eyebrow { color: #fff; }
.presence-band .section-head p { color: color-mix(in oklab, #fff 72%, transparent); }
.presence-band .eyebrow { color: #f0a860; }
.presence-band .eyebrow::before { background: #f0a860; }

/* ---- Contact ---- */
.contact-section { background: var(--color-surface-offset); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-10), 6vw, var(--space-16)); }
.contact-people { display: grid; gap: var(--space-5); }
.person-card {
  display: flex; align-items: center; gap: var(--space-5); padding: var(--space-6);
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
}
.person-avatar {
  width: 56px; height: 56px; border-radius: var(--radius-full); flex-shrink: 0;
  background: var(--color-primary-highlight); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-base);
}
.person-name { font-family: var(--font-body); font-weight: 700; font-size: var(--text-base); }
.person-role { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: 2px; }

.contact-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(var(--space-6), 4vw, var(--space-10)); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-5); }
.field label { font-size: var(--text-xs); font-weight: 600; color: var(--color-text-muted); letter-spacing: 0.03em; text-transform: uppercase; }
.field input, .field textarea, .field select {
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); border: 1px solid var(--color-border);
  background: var(--color-surface-2); font-size: var(--text-sm); color: var(--color-text); resize: vertical;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--color-primary); }
.contact-form .btn-primary { width: 100%; margin-top: var(--space-6); padding-block: 0.9em; }
.form-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-3); text-align: center; }
.form-success { display: none; text-align: center; padding: var(--space-10) 0; }
.form-success svg { width: 48px; height: 48px; color: var(--color-success); margin: 0 auto var(--space-4); }
.form-success h3 { font-size: var(--text-lg); font-family: var(--font-body); }
.form-success p { color: var(--color-text-muted); margin-top: var(--space-2); }

/* ---- Footer ---- */
.site-footer { background: #0c1015; color: color-mix(in oklab, #fff 78%, transparent); }
.footer-top { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr; gap: var(--space-10); padding-block: clamp(var(--space-14), 7vw, var(--space-20)); border-bottom: 1px solid color-mix(in oklab, #fff 12%, transparent);padding-top: 1.5rem;padding-bottom: 1.5rem }
.footer-brand .brand svg { color: #f0a860; }
.footer-brand p { margin-top: var(--space-4); font-size: var(--text-sm); color: color-mix(in oklab, #fff 60%, transparent); max-width: 320px; }
.footer-col h5 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: color-mix(in oklab, #fff 55%, transparent); margin-bottom: var(--space-4); }
.footer-col ul { display: grid; gap: var(--space-3);padding-left: 1.25rem; }
.footer-col a { font-size: var(--text-sm); color: color-mix(in oklab, #fff 78%, transparent); }
.footer-col a:hover { color: #f0a860; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-6); font-size: var(--text-xs); color: color-mix(in oklab, #fff 50%, transparent); flex-wrap: wrap; gap: var(--space-3); }



/* ---- Responsive ---- */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .about-grid, .machinery-layout, .split-layout, .split-layout.reverse, .contact-grid { grid-template-columns: 1fr; }
  .split-layout.reverse .split-media, .split-layout.reverse .split-copy { order: initial; }
  .machinery-media img { min-height: 260px; }
  .capability-row { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
  .presence-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .material-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .industry-grid { grid-template-columns: 1fr; }
  .capability-row { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: var(--space-8); }
  .material-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn { flex: 1; }
  .header-actions > a.btn-primary { display: none; }
  .header-actions { gap: var(--space-2); }
}

/* ---- Mobile nav drawer ---- */
.mobile-nav {
  position: fixed; inset: 0; z-index: 200; background: var(--color-bg);
  display: flex; flex-direction: column; padding: var(--space-6);
  transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-top { display: flex; justify-content: space-between; align-items: center; }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-10); list-style: none; }
.mobile-nav a { font-family: var(--font-display); font-size: var(--text-xl); padding-block: var(--space-3); display: block; }
.mobile-nav .btn { margin-top: var(--space-8); }

/* ==========================================
   BIO FUELS SECTION
========================================== */

.industry-section{
    position:relative;
}

.industry-section .industry-grid{
    margin-top:40px;
}

.industry-section .industry-card{
    transition:.35s ease;
}

.industry-section .industry-card:hover{
    transform:translateY(-6px);
    border-color:var(--color-primary);
    box-shadow:var(--shadow-md);
}

.industry-section .tag-grid{
    margin-top:35px;
}

.industry-btn{
    margin-top:40px;
}

.industry-btn:hover{
    transform:translateY(-3px);
}

@media(max-width:991px){

.industry-section .split-layout{
    grid-template-columns:1fr;
}

.industry-section .split-media{
    order:1;
}

.industry-section .split-copy{
    order:2;
}

.industry-section .industry-grid{
    grid-template-columns:1fr;
}

}

@media(max-width:576px){

.industry-section .tag-grid{
    gap:10px;
}

.industry-btn{
    width:100%;
    justify-content:center;
}

}

/* Alternate section background */

#resins{
    background:var(--color-surface-2);
}

[data-theme="dark"] #resins{
    background:var(--color-surface-2);
}

#paper{
    background:var(--color-surface);
}

#paper .industry-card:hover{
    border-color:var(--color-primary);
}

#paper .tag-chip:hover{
    background:var(--color-primary-highlight);
    color:var(--color-primary);
}