/* ==========================================================================
   VarioCold — Global stylesheet
   Design system: design-system/variocold/MASTER.md
   Pattern: Real-Time / Operations Landing (rendered as static indicators)
   Style:   Minimalism & Swiss Style
   Scope:   Desktop web only (1440px baseline, verified at 1920px)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colour */
  --color-primary: #2563eb;
  --color-on-primary: #ffffff;
  --color-secondary: #3b82f6;
  --color-on-secondary: #000000;
  --color-accent: #ea580c;
  --color-on-accent: #000000;
  /* Darker accent reserved for accent-coloured text so it keeps >= 4.5:1 on light surfaces */
  --color-accent-ink: #c2410c;
  --color-background: #eff6ff;
  --color-foreground: #1e40af;
  --color-card: #ffffff;
  --color-card-foreground: #1e40af;
  --color-muted: #e9eff8;
  --color-muted-foreground: #475569;
  --color-border: #bfdbfe;
  --color-destructive: #dc2626;
  --color-on-destructive: #ffffff;
  --color-ring: #2563eb;

  /* Ink scale for long-form text */
  --ink-strong: #0f172a;
  --ink-body: #1f2937;
  --ink-muted: #475569;

  /* Space */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 10px 15px rgba(15, 23, 42, 0.1);
  --shadow-xl: 0 20px 25px rgba(15, 23, 42, 0.15);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 150ms;
  --dur-base: 200ms;
  --dur-slow: 300ms;

  /* Type */
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-accent: "Playfair Display", Georgia, serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  /* Layout */
  --container: 1200px;
  --header-h: 76px;
}

/* --------------------------------------------------------------------------
   2. Reset and base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-background);
  color: var(--ink-body);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: -0.005em;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink-strong);
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  font-size: 54px;
  font-weight: 800;
}

h2 {
  font-size: 36px;
}

h3 {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 17px;
  font-weight: 600;
}

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

p:last-child {
  margin-bottom: 0;
}

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

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

ul,
ol {
  margin: 0 0 var(--space-md);
  padding-left: 22px;
}

li {
  margin-bottom: var(--space-sm);
}

li:last-child {
  margin-bottom: 0;
}

img {
  display: block;
  max-width: 100%;
}

strong {
  font-weight: 600;
  color: var(--ink-strong);
}

:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection {
  background: rgba(37, 99, 235, 0.18);
}

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}

.container--narrow {
  max-width: 880px;
}

.section {
  padding: var(--space-4xl) 0;
}

.section--tight {
  padding: var(--space-3xl) 0;
}

.section--muted {
  background: var(--color-muted);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--card {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.split--wide-media {
  grid-template-columns: 0.85fr 1.15fr;
}

.stack > * + * {
  margin-top: var(--space-lg);
}

/* --------------------------------------------------------------------------
   4. Typography helpers
   -------------------------------------------------------------------------- */
.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.accent-italic {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

.lede {
  color: var(--ink-muted);
  font-size: 20px;
  line-height: 1.6;
}

.muted {
  color: var(--ink-muted);
}

.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.section-head {
  max-width: 760px;
  margin-bottom: var(--space-2xl);
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* --------------------------------------------------------------------------
   5. Header and navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  transition: box-shadow var(--dur-base) var(--ease);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-strong);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand:hover {
  color: var(--ink-strong);
}

.brand-mark {
  display: block;
  flex: none;
  width: 80px;
  height: 48px;
  object-fit: contain;
}

.brand:hover .brand-mark {
  opacity: 0.9;
}

.brand-sub {
  display: block;
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links li {
  margin: 0;
}

.nav-links a {
  color: var(--ink-body);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}

.nav-links a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-links a[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

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

.nav-phone {
  color: var(--ink-body);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
}

.nav-phone:hover {
  color: var(--color-accent-ink);
}

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 13px 26px;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease),
    border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease),
    transform var(--dur-base) var(--ease);
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  background: var(--color-accent-ink);
  border-color: var(--color-accent-ink);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-1px);
}

.btn-on-dark {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.btn-on-dark:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: var(--color-primary);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.btn svg {
  flex: none;
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-4xl) 0 var(--space-3xl);
}

.hero h1 {
  margin-bottom: var(--space-lg);
}

.hero .lede {
  margin-bottom: var(--space-xl);
  max-width: 540px;
}

.hero-figure {
  position: relative;
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.hero-figure figcaption {
  margin-top: var(--space-sm);
  color: var(--ink-muted);
  font-size: 13px;
}

.hero-figure--frame {
  padding: var(--space-sm);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.hero-figure--frame img {
  border-radius: var(--radius-lg);
  height: 400px;
}

/* --------------------------------------------------------------------------
   8. Indicators / key figures
   -------------------------------------------------------------------------- */
.indicators {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-card);
}

.indicator {
  padding: var(--space-xl) var(--space-lg);
  border-right: 1px solid var(--color-border);
}

.indicator:last-child {
  border-right: none;
}

.indicator-value {
  display: block;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.indicator-label {
  display: block;
  margin-top: var(--space-xs);
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 600;
}

.indicator-note {
  display: block;
  margin-top: 2px;
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.45;
}

.indicator-note-tag {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   9. Cards
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}

.card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-md);
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex: none;
}

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

.card p {
  color: var(--ink-muted);
  font-size: 16px;
}

.card-meta {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.card--feature {
  border-color: var(--color-secondary);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.card-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: var(--space-md);
  padding: 3px 10px;
  background: var(--color-primary);
  border-radius: 999px;
  color: var(--color-on-primary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card-tag--accent {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.card-list {
  margin: var(--space-md) 0 0;
  padding: 0;
  list-style: none;
}

.card-list li {
  position: relative;
  margin-bottom: var(--space-sm);
  padding-left: 26px;
  color: var(--ink-body);
  font-size: 15px;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   10. Media figures
   -------------------------------------------------------------------------- */
.figure {
  margin: 0;
}

.figure img {
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.figure figcaption {
  margin-top: var(--space-md);
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
  color: var(--ink-muted);
  font-size: 14px;
}

.figure--tall img {
  height: 440px;
}

.figure--medium img {
  height: 320px;
}

.figure--wide img {
  height: 300px;
}

/* --------------------------------------------------------------------------
   11. Steps
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  margin: 0;
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.step-num {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.step h3 {
  margin-bottom: var(--space-sm);
  font-size: 18px;
}

.step p {
  color: var(--ink-muted);
  font-size: 15px;
}

/* --------------------------------------------------------------------------
   12. Quotes
   -------------------------------------------------------------------------- */
.quotes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.quote {
  margin: 0;
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.quote p {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-strong);
}

.quote footer {
  margin-top: var(--space-md);
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   13. CTA band
   -------------------------------------------------------------------------- */
.cta-band {
  background: var(--color-foreground);
  color: rgba(255, 255, 255, 0.86);
}

.cta-band h2 {
  color: #ffffff;
}

.cta-band .lede {
  color: rgba(255, 255, 255, 0.86);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-3xl) 0;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}

.cta-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cta-contact li {
  margin: 0;
}

.cta-contact a,
.cta-contact span {
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 14px;
}

.cta-contact a:hover {
  color: #fdba74;
}

/* --------------------------------------------------------------------------
   14. Page header
   -------------------------------------------------------------------------- */
.page-head {
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.page-head h1 {
  font-size: 46px;
  max-width: 900px;
}

.page-head .lede {
  max-width: 720px;
  margin-top: var(--space-lg);
}

.breadcrumbs {
  margin-bottom: var(--space-md);
  color: var(--ink-muted);
  font-size: 13px;
}

.breadcrumbs a {
  color: var(--ink-muted);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   15. Tables
   -------------------------------------------------------------------------- */
.table-wrap {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

caption {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  color: var(--ink-muted);
  font-size: 13px;
  text-align: left;
}

th,
td {
  padding: 14px var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-muted);
  color: var(--ink-strong);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td {
  background: #f8fbff;
}

td.num,
th.num {
  font-family: var(--font-mono);
  white-space: nowrap;
}

.table-note {
  max-width: 760px;
  margin-top: var(--space-md);
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   16. Pricing
   -------------------------------------------------------------------------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.price-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}

.price-card:hover {
  box-shadow: var(--shadow-lg);
}

.price-card--featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.price-card h3 {
  font-size: 22px;
}

.price-sub {
  margin-top: var(--space-xs);
  color: var(--ink-muted);
  font-size: 14px;
}

.price-value {
  margin: var(--space-md) 0 var(--space-xs);
  color: var(--ink-strong);
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.price-value--range {
  font-size: 26px;
  white-space: nowrap;
}

.price-unit {
  color: var(--ink-muted);
  font-size: 13px;
}

.price-note {
  margin-top: var(--space-sm);
  color: var(--ink-muted);
  font-size: 13px;
  font-style: italic;
}

.price-body {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.price-body h4 {
  margin-bottom: var(--space-sm);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.price-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.price-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.5;
}

.price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

.price-drivers {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.price-drivers h4 {
  margin-bottom: var(--space-sm);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.price-drivers ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.price-drivers li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.5;
}

.price-drivers li:last-child {
  margin-bottom: 0;
}

.price-drivers li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--color-primary);
}

.price-fit {
  margin-top: auto;
  padding-top: var(--space-lg);
}

.price-fit strong {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.price-fit p {
  color: var(--ink-muted);
  font-size: 15px;
}

.price-foot {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.price-foot .btn {
  width: 100%;
}

/* --------------------------------------------------------------------------
   17. FAQ accordion
   -------------------------------------------------------------------------- */
.faq {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq details {
  border-bottom: 1px solid var(--color-border);
}

.faq details:last-child {
  border-bottom: none;
}

.faq summary {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  color: var(--ink-strong);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary:hover {
  background: #f8fbff;
  color: var(--color-primary);
}

.faq summary:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: -3px;
}

.faq summary .faq-index {
  flex: none;
  min-width: 28px;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.9;
}

.faq summary .faq-toggle {
  flex: none;
  margin-left: auto;
  color: var(--color-primary);
  transition: transform var(--dur-base) var(--ease);
}

.faq details[open] summary {
  background: var(--color-muted);
}

.faq details[open] summary .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg) 60px;
  color: var(--ink-body);
  font-size: 16px;
}

.faq-answer p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   18. Forms
   -------------------------------------------------------------------------- */
.form-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--space-3xl);
  align-items: start;
}

.form-panel {
  padding: var(--space-xl);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 600;
}

.field .req {
  color: var(--color-destructive);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  color: var(--ink-body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.4;
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
  cursor: pointer;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
  cursor: text;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--color-secondary);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.field-hint {
  color: var(--ink-muted);
  font-size: 13px;
}

.field-error {
  display: none;
  color: var(--color-destructive);
  font-size: 13px;
  font-weight: 500;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--color-destructive);
}

.field.has-error .field-error {
  display: block;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  grid-column: 1 / -1;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  flex: none;
  cursor: pointer;
}

.checkbox-row label {
  color: var(--ink-muted);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  grid-column: 1 / -1;
  margin-top: var(--space-sm);
}

.form-status {
  grid-column: 1 / -1;
  display: none;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 15px;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-error {
  background: #fef2f2;
  border: 1px solid var(--color-destructive);
  color: #991b1b;
}

.form-status.is-success {
  background: #ecfdf5;
  border: 1px solid #047857;
  color: #065f46;
}

.form-status a {
  font-weight: 600;
  text-decoration: underline;
}

.contact-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-block {
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.contact-block h3 {
  margin-bottom: var(--space-md);
  font-size: 17px;
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  display: flex;
  gap: var(--space-md);
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 15px;
}

.contact-list li:last-child {
  border-bottom: none;
}

.contact-list .k {
  flex: none;
  width: 108px;
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.contact-list .v {
  color: var(--ink-body);
}

.contact-list .v a {
  font-family: var(--font-mono);
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   19. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.site-footer h4 {
  margin-bottom: var(--space-md);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a:hover {
  color: #fdba74;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-md);
  color: #ffffff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.footer-mark {
  display: block;
  flex: none;
  width: 80px;
  height: 48px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer-tagline {
  max-width: 320px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list li {
  margin-bottom: 10px;
}

.footer-list .mono {
  color: rgba(255, 255, 255, 0.86);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   20. Reveal on scroll
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   21. Print
   -------------------------------------------------------------------------- */
@media print {
  .site-header,
  .cta-band,
  .site-footer {
    display: none;
  }

  body {
    background: #ffffff;
  }
}