/* 3DPartGo styles. MANDATORY standard: 3DPartGo_CSS_Style_Guide_for_Claude.md
   (project folder). Single compiled file, mobile-first, guide tokens verbatim.
   Order: tokens, reset, typography, layout, utilities, components, pages. */

/* ============ 1. Design tokens (style guide sections 3-8, 25) ============ */
:root {
  --color-brand-50: #F4F8FF;
  --color-brand-100: #EAF2FF;
  --color-brand-200: #DBEAFE;
  --color-brand-300: #BFDBFE;
  --color-brand-400: #60A5FA;
  --color-brand-500: #3B82F6;
  --color-brand-600: #2563EB;
  --color-brand-700: #1D4ED8;
  --color-brand-800: #1E40AF;
  --color-brand-900: #1E3A8A;

  --color-navy-900: #0B1F3A;
  --color-navy-800: #102A4C;
  --color-navy-700: #17365E;

  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #64748B;
  --color-text-disabled: #94A3B8;
  --color-text-on-dark: #F8FAFC;
  --color-text-on-brand: #FFFFFF;

  --color-surface-page: #FFFFFF;
  --color-surface-soft: #F7F9FC;
  --color-surface-section: #F1F5F9;
  --color-surface-blue: #F4F8FF;
  --color-surface-card: #FFFFFF;
  --color-surface-dark: #0B1F3A;

  --color-border-subtle: #E7ECF2;
  --color-border-default: #DCE3EC;
  --color-border-strong: #B8C5D6;

  --color-success: #16A34A;
  --color-success-hover: #15803D;
  --color-success-soft: #EAF8EF;
  --color-warning: #B7791F;
  --color-warning-soft: #FFF7E6;
  --color-danger: #C63B3B;
  --color-danger-hover: #A92F2F;
  --color-danger-soft: #FFF0F0;
  --color-info: #2563EB;
  --color-info-soft: #EAF2FF;
  --color-overlay: rgb(15 23 42 / 0.56);

  --font-family-base: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-100: 0.75rem;
  --font-size-200: 0.8125rem;
  --font-size-300: 0.875rem;
  --font-size-400: 1rem;
  --font-size-500: 1.125rem;
  --font-size-600: 1.25rem;
  --font-size-700: 1.5rem;
  --font-size-800: 1.875rem;
  --font-size-900: 2.25rem;
  --font-size-1000: 2.75rem;
  --font-size-1100: 3.5rem;
  --font-size-1200: 4rem;
  --line-height-tight: 1.08;
  --line-height-heading: 1.16;
  --line-height-body: 1.65;
  --line-height-compact: 1.4;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --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;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px rgb(15 23 42 / 0.05);
  --shadow-sm: 0 2px 6px rgb(15 23 42 / 0.06);
  --shadow-md: 0 8px 24px rgb(15 23 42 / 0.08);
  --shadow-lg: 0 18px 48px rgb(15 23 42 / 0.10);
  --shadow-focus: 0 0 0 4px rgb(37 99 235 / 0.18);

  --duration-fast: 120ms;
  --duration-normal: 160ms;
  --duration-slow: 240ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-emphasized: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ============ 2. Reset (style guide section 28) ============ */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-surface-page);
  font-family: var(--font-family-base);
  font-size: var(--font-size-400);
  line-height: var(--line-height-body);
  color: var(--color-text-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

/* ============ 3. Typography (section 4) ============ */
h1, h2, h3, h4 { margin: 0 0 0.5em; }
h1 {
  font-size: clamp(2.375rem, 4.7vw, 3.75rem);
  line-height: var(--line-height-tight);
  letter-spacing: -0.035em;
  font-weight: var(--font-weight-bold);
}
h2 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: var(--line-height-heading);
  letter-spacing: -0.025em;
  font-weight: var(--font-weight-bold);
}
h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: var(--font-weight-semibold);
}
h4 { font-size: var(--font-size-500); line-height: 1.35; font-weight: var(--font-weight-semibold); }
p { margin: 0 0 1em; }

a {
  color: var(--color-brand-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { color: var(--color-brand-800); }

.body-large { font-size: var(--font-size-500); line-height: var(--line-height-body); }
.body-small { font-size: var(--font-size-300); line-height: 1.55; }
.prose { max-width: 72ch; }

/* ============ 4. Layout (section 6) ============ */
.wrap {
  width: min(100% - 2.5rem, 1280px);
  margin-inline: auto;
}
.wrap-narrow { max-width: 760px; }

.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-compact { padding-block: clamp(2.5rem, 6vw, 4.5rem); }

.section-heading {
  display: grid;
  gap: 0.875rem;
  max-width: 760px;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 0; }
.section-heading p { margin: 0; color: var(--color-text-secondary); }
.eyebrow {
  color: var(--color-brand-700);
  font-size: var(--font-size-200);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============ 5. Utilities (section 27) ============ */
.text-center { text-align: center; }
.text-balance { text-wrap: balance; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.flow > * + * { margin-top: var(--flow-space, 1rem); }
.ico { flex: none; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--color-brand-600); color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--color-brand-600);
  outline-offset: 3px;
}

/* ============ 6. Buttons (section 10) ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 46px;
  padding: 0.75rem 1.125rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--duration-normal) var(--ease-standard),
    border-color var(--duration-normal) var(--ease-standard),
    color var(--duration-normal) var(--ease-standard),
    transform var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
}
.btn-sm { min-height: 38px; padding: 0.625rem 0.875rem; font-size: var(--font-size-300); }
.btn-lg { min-height: 52px; padding: 0.875rem 1.375rem; font-size: var(--font-size-400); }

.btn-primary {
  color: var(--color-text-on-brand);
  background: var(--color-brand-600);
  border-color: var(--color-brand-600);
}
.btn-primary:hover {
  color: var(--color-text-on-brand);
  background: var(--color-brand-700);
  border-color: var(--color-brand-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-primary:active { background: var(--color-brand-800); transform: translateY(0); box-shadow: none; }

.btn-secondary {
  color: var(--color-brand-700);
  background: #FFFFFF;
  border-color: var(--color-brand-300);
}
.btn-secondary:hover { background: var(--color-brand-50); border-color: var(--color-brand-500); }

.btn-on-dark { color: var(--color-navy-900); background: #FFFFFF; border-color: #FFFFFF; }
.btn-on-dark:hover { background: var(--color-brand-50); color: var(--color-navy-900); }

.btn-danger { color: #FFFFFF; background: var(--color-danger); border-color: var(--color-danger); }
.btn-danger:hover { background: var(--color-danger-hover); }

.btn:disabled, .btn[aria-disabled="true"] {
  color: var(--color-text-disabled);
  background: var(--color-surface-section);
  border-color: var(--color-border-default);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ============ 7. Forms (section 11) ============ */
.form-control {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.875rem;
  color: var(--color-text-primary);
  background: #FFFFFF;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font: inherit;
  transition:
    border-color var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard),
    background-color var(--duration-normal) var(--ease-standard);
}
textarea.form-control { min-height: 140px; resize: vertical; }
.form-control:focus {
  border-color: var(--color-brand-600);
  box-shadow: var(--shadow-focus);
  outline: none;
}
.form-label {
  display: inline-block;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
}
.form-help { margin-top: 0.375rem; color: var(--color-text-muted); font-size: var(--font-size-200); line-height: 1.45; }
.form-control[aria-invalid="true"] { border-color: var(--color-danger); background: var(--color-danger-soft); }
.form-error { margin-top: 0.375rem; color: var(--color-danger); font-size: var(--font-size-200); }
.form-control:disabled { color: var(--color-text-disabled); background: var(--color-surface-section); cursor: not-allowed; }
.form-group { margin-bottom: var(--space-5); }

/* ============ 8. Uploader (section 12) ============ */
.uploader {
  display: grid;
  place-items: center;
  gap: var(--space-2);
  min-height: 220px;
  padding: var(--space-8);
  text-align: center;
  background: var(--color-surface-blue);
  border: 1.5px dashed var(--color-brand-300);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-brand-600);
  transition:
    border-color var(--duration-normal) var(--ease-standard),
    background-color var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
}
.uploader:hover, .uploader.is-dragover {
  background: var(--color-brand-100);
  border-color: var(--color-brand-600);
  box-shadow: var(--shadow-sm);
}
.uploader.is-success { background: var(--color-success-soft); border-color: var(--color-success); }
.uploader strong { color: var(--color-text-primary); font-size: var(--font-size-500); }
.uploader span { color: var(--color-text-muted); font-size: var(--font-size-300); }

/* ============ 9. Cards (section 13) ============ */
.card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text-primary);
  transition:
    border-color var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard),
    transform var(--duration-normal) var(--ease-standard);
}
a.card:hover, .card-link:hover {
  border-color: var(--color-brand-300);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 110px;
  background: linear-gradient(135deg, var(--color-surface-blue) 0%, var(--color-brand-200) 100%);
  color: var(--color-brand-600);
}
.card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
  padding: clamp(1.25rem, 2vw, 1.75rem);
}
.card-body h3 { margin: 0; font-size: var(--font-size-500); }
.card-body p { margin: 0; flex: 1; color: var(--color-text-secondary); font-size: 0.9375rem; }
.card-cta { margin-top: var(--space-3); color: var(--color-brand-700); font-weight: var(--font-weight-bold); font-size: var(--font-size-300); }

/* ============ 10. Alerts (section 20) ============ */
.alert {
  display: flex;
  gap: 0.875rem;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--space-4);
}
.alert p { margin: 0; }
.alert-success { color: #14532D; background: var(--color-success-soft); border-color: rgb(22 163 74 / 0.35); }
.alert-danger { color: #7F1D1D; background: var(--color-danger-soft); border-color: rgb(198 59 59 / 0.35); }
.alert-info { color: var(--color-brand-900); background: var(--color-brand-100); border-color: var(--color-brand-300); }

/* ============ 11. Tables (section 19) ============ */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
}
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
  text-align: left;
  font-size: var(--font-size-300);
}
th { background: var(--color-surface-soft); font-size: var(--font-size-200); font-weight: var(--font-weight-bold); }
tr:last-child td { border-bottom: 0; }

/* ============ 12. Header (section 14) ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgb(255 255 255 / 0.94);
  border-bottom: 1px solid var(--color-border-subtle);
  backdrop-filter: blur(12px);
}
.header-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  min-height: 66px;
}
.logo { display: flex; align-items: center; text-decoration: none; }
.logo img { height: 36px; width: auto; }

.main-nav { display: none; }
.header-actions { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }
.header-cta { display: none; }

.lang-switch { position: relative; display: none; }
.lang-btn {
  background: none;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-300);
  cursor: pointer;
  color: var(--color-text-primary);
}
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: #fff;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  padding: var(--space-2);
  z-index: 110;
}
.lang-menu a {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-300);
}
.lang-menu a span { font-weight: var(--font-weight-regular); color: var(--color-text-secondary); }
.lang-menu a:hover { background: var(--color-surface-soft); }

.burger { display: block; background: none; border: 0; padding: var(--space-3); cursor: pointer; }
.burger span { display: block; width: 22px; height: 2px; background: var(--color-text-primary); margin: 5px 0; }

.mobile-menu {
  display: none;
  padding: var(--space-3) var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-border-subtle);
  background: #fff;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: var(--space-3) 0;
  min-height: 48px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
}
.mobile-menu .btn { color: #fff; margin-top: var(--space-2); width: 100%; }
.mobile-langs { display: flex; gap: var(--space-2); margin-top: var(--space-4); }
.mobile-langs a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-300);
  font-weight: var(--font-weight-bold);
}
.mobile-langs a.active { border-color: var(--color-brand-600); color: var(--color-brand-700); }
body.menu-open { overflow: hidden; }

/* ============ 13. Hero (section 15) ============ */
.hero {
  padding-block: clamp(3rem, 7vw, 7rem);
  background:
    radial-gradient(circle at 75% 40%, rgb(96 165 250 / 0.18), transparent 32%),
    linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 100%);
}
.hero-grid { display: grid; gap: var(--space-8); align-items: center; }
.hero-copy { max-width: 620px; }
.h1-accent { color: var(--color-brand-600); }
.hero .lead { font-size: var(--font-size-500); color: var(--color-text-secondary); }
.hero-ctas { display: flex; flex-direction: column; gap: var(--space-3); margin-block: var(--space-6); }
.hero-badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.hero-badges li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-300);
  font-weight: var(--font-weight-semibold);
}
.badge-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--radius-pill);
  background: var(--color-brand-100);
  color: var(--color-brand-600);
  flex: none;
}
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; order: -1; }
.hero-glow {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(70vw, 400px);
  height: min(70vw, 400px);
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-brand-200) 0%, rgb(244 248 255 / 0) 68%);
}
.hero-dots {
  display: none;
  position: absolute;
  right: 6%; top: 8%;
  width: 120px; height: 120px;
  background-image: radial-gradient(var(--color-border-strong) 1.5px, transparent 1.5px);
  background-size: 14px 14px;
  opacity: 0.6;
}
.hero-visual img {
  position: relative;
  width: min(60vw, 260px);
  height: auto;
  border-radius: 50%;
  filter: drop-shadow(0 24px 40px rgb(37 99 235 / 0.18));
}

/* ============ 14. Quote panel ============ */
.quote-panel-s { padding-top: 0; }
.quote-panel {
  display: grid;
  gap: var(--space-5);
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.qp-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: var(--radius-lg);
  background: var(--color-brand-100);
  color: var(--color-brand-600);
  margin-bottom: var(--space-3);
}
.qp-left h2 { font-size: var(--font-size-600); margin-bottom: var(--space-2); }
.qp-left p { color: var(--color-text-secondary); font-size: 0.9375rem; margin: 0; }
.qp-drop { min-height: 180px; }
.qp-right h3 { font-size: var(--font-size-500); margin-bottom: var(--space-1); }
.qp-right p { color: var(--color-text-secondary); font-size: var(--font-size-300); }
.upload-note {
  color: var(--color-text-muted);
  font-size: var(--font-size-300);
  max-width: 620px;
  margin: var(--space-4) auto 0;
  text-align: center;
}

/* ============ 15. Steps (section 17) ============ */
.go-steps {
  list-style: none;
  margin: var(--space-10) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-6);
}
.go-steps li { position: relative; padding-left: 76px; min-height: 60px; }
.step-ico {
  position: absolute;
  left: 0; top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: var(--radius-pill);
  background: var(--color-brand-100);
  color: var(--color-brand-600);
}
.go-steps h3 { font-size: var(--font-size-400); margin-bottom: var(--space-1); }
.go-steps h3 .n { color: var(--color-brand-600); }
.go-steps p { color: var(--color-text-secondary); font-size: var(--font-size-300); margin: 0; }

/* ============ 16. Materials ============ */
.mat-grid { display: grid; gap: var(--space-4); margin-top: var(--space-8); grid-template-columns: 1fr 1fr; }
.mat-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-decoration: none;
  color: var(--color-text-primary);
  transition:
    border-color var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
}
a.mat-card:hover { border-color: var(--color-brand-300); box-shadow: var(--shadow-sm); }
.mat-card h3 { display: flex; align-items: center; gap: var(--space-2); font-size: var(--font-size-400); margin-bottom: var(--space-1); }
.mat-dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.mat-card p { color: var(--color-text-secondary); font-size: var(--font-size-300); margin: 0; }

/* ============ 17. Trust band ============ */
.trust { background: var(--color-surface-blue); }
.trust-grid { display: grid; gap: var(--space-6); }
.trust-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.trust-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--color-brand-600);
  border: 1px solid var(--color-border-subtle);
  flex: none;
}
.trust-item h3 { font-size: var(--font-size-400); margin-bottom: 2px; }
.trust-item p { color: var(--color-text-secondary); font-size: var(--font-size-300); margin: 0; }

/* ============ 18. FAQ (section 18) ============ */
.faq-grid { display: grid; gap: 0 var(--space-8); margin-top: var(--space-8); align-items: start; }
.faq-item { border-bottom: 1px solid var(--color-border-default); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  min-height: 64px;
  padding-block: var(--space-4);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  width: 9px; height: 9px;
  flex: none;
  border-right: 2px solid var(--color-brand-600);
  border-bottom: 2px solid var(--color-brand-600);
  transform: rotate(45deg);
  transition: transform var(--duration-normal) var(--ease-standard);
}
.faq-item[open] summary::after { transform: rotate(225deg); }
.faq-item p { color: var(--color-text-secondary); font-size: 0.9375rem; padding-bottom: var(--space-5); margin: 0; }

/* ============ 19. CTA panel and final CTA (section 29.3) ============ */
.final-cta {
  background: var(--color-navy-900);
  color: var(--color-text-on-dark);
  text-align: center;
}
.final-cta h2 { color: #fff; }
.final-cta p { color: #CBD5E1; }

/* ============ 20. Footer (section 22) ============ */
.site-footer {
  color: var(--color-text-on-dark);
  background: var(--color-surface-dark);
  padding-block: var(--space-16) var(--space-8);
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-8); }
.footer-brand img { height: 34px; width: auto; }
.footer-brand p { color: #CBD5E1; font-size: var(--font-size-300); margin-top: var(--space-4); max-width: 300px; }
.footer-h {
  font-size: var(--font-size-200);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8FA3BF;
  margin-bottom: var(--space-3);
}
.site-footer a {
  display: block;
  color: #CBD5E1;
  text-decoration: none;
  font-size: var(--font-size-300);
  padding: var(--space-1) 0;
}
.site-footer a:hover { color: #FFFFFF; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  border-top: 1px solid rgb(232 238 247 / 0.15);
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  font-size: var(--font-size-300);
  color: #8FA3BF;
}
.footer-legal { display: flex; gap: var(--space-5); }
.footer-legal a { display: inline; padding: 0; }

/* ============ 21. Page backgrounds and stub ============ */
.services { background: var(--color-surface-soft); }
.stub { padding-block: var(--space-20); }

/* ============ 22. Styleguide test page ============ */
.sg-block { margin-bottom: var(--space-12); }
.sg-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.sg-swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--space-3); }
.sg-swatch { border: 1px solid var(--color-border-subtle); border-radius: var(--radius-sm); overflow: hidden; font-size: var(--font-size-100); }
.sg-swatch i { display: block; height: 56px; }
.sg-swatch span { display: block; padding: var(--space-1) var(--space-2); color: var(--color-text-secondary); }

/* ============ 23. Tablet and desktop (mobile-first, section 26) ============ */
@media (min-width: 48rem) {
  .hero-ctas { flex-direction: row; }
  .hero-badges { grid-template-columns: repeat(2, minmax(0, max-content)); gap: var(--space-3) var(--space-8); }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
  .mat-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-panel { grid-template-columns: 1fr 1fr; }
  .qp-left { grid-column: 1 / -1; }
  .go-steps { grid-template-columns: repeat(3, 1fr); }
  .go-steps li { padding-left: 0; padding-top: 72px; }
  .step-ico { left: auto; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 64rem) {
  .header-row { min-height: 78px; }
  .logo img { height: 42px; }
  .main-nav { display: flex; gap: var(--space-6); margin-left: auto; }
  .main-nav a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: 0.9375rem;
    padding: var(--space-2) 2px;
  }
  .main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-brand-700); }
  .header-actions { margin-left: 0; }
  .header-cta { display: inline-flex; }
  .lang-switch { display: block; }
  .burger, .mobile-menu { display: none; }

  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr); gap: clamp(2rem, 5vw, 5rem); }
  .hero-visual { order: 0; }
  .hero-visual img { width: min(32vw, 440px); }
  .hero-dots { display: block; }

  .quote-panel { grid-template-columns: 1fr 1.3fr 1fr; align-items: center; }
  .qp-left { grid-column: auto; }

  .go-steps { grid-template-columns: repeat(5, 1fr); text-align: center; }
  .go-steps li { padding-top: 76px; }
  .step-ico { left: 50%; transform: translateX(-50%); }
  .go-steps li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 28px;
    left: calc(50% + 42px);
    width: calc(100% - 84px);
    border-top: 2px dashed var(--color-border-strong);
  }

  .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mat-grid { grid-template-columns: repeat(5, 1fr); }
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
  .faq-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

/* ============ 24. Reduced motion (section 25.4) ============ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}