/* ==========================================================================
   Aidan Technologies — Design tokens
   Typographic system: TypeUI "Refined" skill (serif display + mono labels)
   Color system: derived from Aidan Technologies brand mark & live site
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  /* Brand color — orange/red, derived from the Aidan flame mark */
  --color-primary: #e34a1c;
  --color-primary-dark: #b5350f;
  --color-primary-light: #ff8a52;
  --color-primary-50: #fdf1ec;
  --color-primary-100: #fbe0d4;

  /* Semantic (Refined skill tokens) */
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;

  /* Neutrals — warm paper tone to complement serif display type */
  --color-ink: #1a1613;
  --color-ink-soft: #4a433d;
  --color-muted: #767068;
  --color-border: #e8e2da;
  --color-border-strong: #d8cfc3;
  --color-surface: #ffffff;
  --color-surface-soft: #faf7f3;
  --color-surface-dark: #191512;
  --color-surface-dark-soft: #241e19;

  /* Typography */
  --font-display: "Playfair Display", ui-serif, Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Type scale (Refined skill: 12/14/16/20/24/32), extended for display sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: clamp(2.25rem, 1.9rem + 1.6vw, 3.25rem);
  --text-4xl: clamp(2.75rem, 2.1rem + 3vw, 4.5rem);

  /* Spacing scale (Refined skill: 4/8/12/16/24/32) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(26, 22, 19, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 22, 19, 0.08);
  --shadow-lg: 0 24px 48px rgba(26, 22, 19, 0.14);

  --container-width: 1200px;
  --header-height: 84px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--color-ink-soft);
  background: var(--color-surface);
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  color: var(--color-ink);
  line-height: 1.2;
  margin: 0;
  font-weight: 600;
}

p {
  margin: 0;
}

/* Focus visibility — accessibility requirement */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

.skip-link:focus {
  left: 0;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-9);
}

.section--tight {
  padding-block: var(--space-8);
}

.section--soft {
  background: var(--color-surface-soft);
}

.section--dark {
  background: var(--color-surface-dark);
  color: rgba(255, 255, 255, 0.82);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: #fff;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--6 { grid-template-columns: repeat(6, 1fr); }
}

@media (min-width: 480px) {
  .grid--5 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .grid--5 { grid-template-columns: repeat(5, 1fr); }
}

/* ==========================================================================
   Typography utilities
   ========================================================================== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.section-head {
  max-width: 760px;
  margin-bottom: var(--space-8);
}

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

.section-head h2 {
  font-size: var(--text-3xl);
  margin-top: var(--space-3);
}

.section-head p {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-muted);
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-muted);
}

/* ==========================================================================
   Icons
   ========================================================================== */
.icon {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn .icon {
  width: 1.1em;
  height: 1.1em;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--block {
  width: 100%;
}

.btn--sm {
  padding: 0.6rem 1.1rem;
  font-size: var(--text-xs);
}

/* ==========================================================================
   Site header
   ========================================================================== */
/* The header partial is injected into #site-header, so the wrapper
   must be the sticky element — position:sticky only sticks within its
   parent's bounds, and .site-header fills its wrapper exactly. */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

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

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  height: 34px;
  width: auto;
}

.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-inline: auto;
  }
}

.nav li {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink-soft);
  border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--color-primary);
}

.nav-link .icon {
  width: 0.85em;
  height: 0.85em;
  transition: transform 0.15s ease;
}

.has-dropdown:hover .nav-link .icon,
.has-dropdown:focus-within .nav-link .icon {
  transform: rotate(180deg);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: auto;
  width: 200px;
  max-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  font-weight: 500;
  line-height: 1.3;
}

.dropdown a:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-dark);
}

.dropdown .dropdown-desc {
  display: block;
  font-size: 0.6875rem;
  line-height: 1.35;
  color: var(--color-muted);
  font-weight: 400;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
  }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-ink);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

/* Mobile nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-surface);
  padding: var(--space-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.mobile-nav-top img {
  height: 30px;
}

.mobile-close {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

.mobile-group {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-3);
}

.mobile-group > a,
.mobile-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-ink);
  text-align: left;
}

.mobile-submenu {
  display: none;
  padding-left: var(--space-4);
  padding-bottom: var(--space-3);
}

.mobile-group.is-open .mobile-submenu {
  display: block;
}

.mobile-submenu a {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.mobile-group.is-open .mobile-group-toggle .icon {
  transform: rotate(180deg);
}

@media (min-width: 1024px) {
  .mobile-nav,
  .nav-toggle {
    display: none;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-surface-dark) 0%, var(--color-surface-dark-soft) 100%);
  color: #fff;
  padding-block: var(--space-10) var(--space-9);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 60%;
  background: radial-gradient(closest-side, rgba(227, 74, 28, 0.45), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  text-align: center;
  max-width: 880px;
  margin-inline: auto;
}

.hero h1 {
  font-size: var(--text-4xl);
  color: #fff;
  font-weight: 700;
}

.hero h1 mark {
  background: none;
  color: var(--color-primary-light);
}

.hero p {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.72);
}

.hero-actions {
  margin-top: var(--space-7);
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  position: relative;
  margin-top: var(--space-9);
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, 1fr);
  text-align: center;
}

@media (min-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero-stats dt {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: #fff;
  font-weight: 700;
}

.hero-stats dd {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.card-icon .icon {
  width: 26px;
  height: 26px;
}

.card h3 {
  font-size: var(--text-xl);
}

.card p {
  margin-top: var(--space-3);
  color: var(--color-muted);
}

.card-link {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.card-link .icon {
  width: 1em;
  height: 1em;
  transition: transform 0.15s ease;
}

.card-link:hover .icon {
  transform: translateX(3px);
}

/* Solution feature card (image + text) */
.solution {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-soft);
}

@media (min-width: 768px) {
  .solution {
    grid-template-columns: 1fr 1fr;
  }
  .solution--reverse .solution-media {
    order: 2;
  }
}

.solution-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.solution-body {
  padding: var(--space-7);
}

.solution-body h3 {
  font-size: var(--text-2xl);
}

.solution-body p {
  margin-top: var(--space-4);
  color: var(--color-muted);
}

.solution-body .btn {
  margin-top: var(--space-5);
}

/* ==========================================================================
   Client logo grid
   ========================================================================== */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (min-width: 640px) {
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .logo-wall { grid-template-columns: repeat(6, 1fr); }
}

.logo-wall-item {
  background: var(--color-surface);
  aspect-ratio: 1.6 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.logo-wall-item img {
  max-height: 42px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(1) opacity(0.72);
  transition: filter 0.2s ease;
}

.logo-wall-item:hover img {
  filter: grayscale(0) opacity(1);
}

/* ==========================================================================
   Team
   ========================================================================== */
.team-card {
  text-align: center;
}

.team-photo {
  width: 100px;
  height: 100px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-soft);
  margin: 0 auto var(--space-4);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card h3 {
  font-size: var(--text-lg);
}

.team-card .position {
  margin-top: var(--space-1);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
}

.team-social {
  margin-top: var(--space-3);
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}

.team-social a {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
}

.team-social a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.team-social .icon {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Timeline (Our Company)
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: var(--space-7);
  border-left: 2px solid var(--color-border);
  display: grid;
  gap: var(--space-8);
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(var(--space-7) * -1 - 6px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-item .year {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.timeline-item h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-1);
}

.timeline-item p {
  margin-top: var(--space-2);
  color: var(--color-muted);
  white-space: pre-line;
}

/* ==========================================================================
   Lists (Why Us / rules)
   ========================================================================== */
.check-list {
  display: grid;
  gap: var(--space-4);
}

.check-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.check-list .icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-item {
  display: flex;
  gap: var(--space-4);
}

.feature-item .card-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

.feature-item h3 {
  font-size: var(--text-lg);
}

.feature-item p {
  margin-top: var(--space-2);
  color: var(--color-muted);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-grid--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.field input,
.field textarea,
.field select {
  font: inherit;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* ==========================================================================
   Info rows (Contact)
   ========================================================================== */
.info-row {
  display: flex;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row .card-icon {
  margin-bottom: 0;
  width: 44px;
  height: 44px;
}

.info-row .card-icon .icon {
  width: 20px;
  height: 20px;
}

.info-row h3 {
  font-size: var(--text-md);
  font-family: var(--font-body);
  font-weight: 700;
}

.info-row p,
.info-row a {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

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

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band {
  background: var(--color-surface-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.cta-band h2 {
  color: #fff;
  font-size: var(--text-2xl);
  max-width: 480px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-surface-dark);
  color: rgba(255, 255, 255, 0.68);
  padding-block: var(--space-9) var(--space-6);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.footer-brand img {
  height: 30px;
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  max-width: 320px;
}

.footer-contact {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-contact a:hover {
  color: #fff;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: grid;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer-social a:hover {
  border-color: #fff;
  color: #fff;
}

.footer-social .icon {
  width: 16px;
  height: 16px;
}

.back-to-top {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 90;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   Page header (sub-pages)
   ========================================================================== */
.page-hero {
  padding-block: var(--space-9) var(--space-8);
  background: var(--color-surface-soft);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.page-hero .eyebrow {
  justify-content: center;
}

.page-hero h1 {
  margin-top: var(--space-3);
  font-size: var(--text-4xl);
}

.page-hero p {
  margin: var(--space-4) auto 0;
  max-width: 640px;
  font-size: var(--text-lg);
  color: var(--color-muted);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}

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

/* Tables (Recognitions MOF codes) */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

th, td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

th:last-child, td:last-child {
  white-space: normal;
}

thead th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-surface-soft);
}

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

/* Tabs (Career) */
.tabs {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .tabs {
    grid-template-columns: 220px 1fr;
  }
}

.tab-list {
  display: flex;
  overflow-x: auto;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .tab-list {
    flex-direction: column;
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    padding-right: var(--space-4);
  }
}

.tab-btn {
  background: none;
  border: none;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  text-align: left;
}

.tab-btn[aria-selected="true"] {
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.tab-panel h3 {
  font-size: var(--text-md);
}

.tab-panel p {
  margin-top: var(--space-1);
  color: var(--color-muted);
}

.tab-panel > div + div {
  margin-top: var(--space-5);
}

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}