/* Ansa Sourcing — brand palette
   Brand Blue      #004EBC
   Deep Navy       #0C263F
   Powder Blue     #B5CDD8
   Monument Grey   #7A8388
   Bright White    #F9F8F4 */
:root {
  --brand-blue: #004ebc;
  --deep-navy: #0c263f;
  --powder-blue: #b5cdd8;
  --monument: #7a8388;
  --bright-white: #f9f8f4;

  --primary: var(--brand-blue);
  --primary-deep: var(--deep-navy);
  --primary-mid: #1a63d4;
  --secondary: var(--powder-blue);
  --ink: var(--deep-navy);
  --ink-soft: #163a58;
  --slate: var(--monument);
  --mist: var(--powder-blue);
  --paper: var(--bright-white);
  --line: rgba(12, 38, 63, 0.12);
  /* Legacy accent names map to the brand palette */
  --teal: var(--brand-blue);
  --teal-deep: var(--deep-navy);
  --teal-soft: #d4e5ec;
  --accent-light: var(--powder-blue);
  --bronze: #a8926a;
  --white: var(--bright-white);
  --shadow: 0 18px 50px rgba(12, 38, 63, 0.1);
  --radius: 0;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --nav-h: 84px;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

.container-narrow {
  max-width: 1140px;
}

/* Atmosphere */
.bg-weave {
  background-color: var(--paper);
  background-image:
    linear-gradient(135deg, rgba(0, 78, 188, 0.04) 0%, transparent 45%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 47px,
      rgba(12, 38, 63, 0.015) 47px,
      rgba(12, 38, 63, 0.015) 48px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 47px,
      rgba(12, 38, 63, 0.015) 47px,
      rgba(12, 38, 63, 0.015) 48px
    );
}

.section {
  padding: 6rem 0;
}

.section-sm {
  padding: 4rem 0;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.display-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  color: var(--ink);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 1rem;
}

.lead-text {
  font-size: 1.05rem;
  color: var(--slate);
  max-width: 36rem;
}

.text-slate {
  color: var(--slate);
}

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  border-radius: 0;
  padding: 0.9rem 1.75rem;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--teal-deep);
  border-color: var(--teal-deep);
  color: var(--white);
}

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

.btn-outline-dark:hover,
.btn-outline-dark:focus {
  background: var(--ink);
  color: var(--white);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}

.btn-light {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}

.btn-light:hover {
  background: var(--mist);
  color: var(--ink);
}

/* Navbar */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1040;
  display: flex;
  align-items: center;
  min-height: var(--nav-h);
  background: rgba(249, 248, 244, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-nav.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(12, 38, 63, 0.06);
}

.site-nav .navbar {
  width: 100%;
  padding: 0.85rem 0;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 1;
  max-width: min(220px, 58vw);
}

.brand-mark .logo-wordmark,
.brand-mark .logo-img {
  display: block;
  width: auto;
  height: 36px;
  max-width: 100%;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-mark .logo-light {
  display: none;
}

@media (min-width: 992px) {
  .brand-mark .logo-wordmark,
  .brand-mark .logo-img {
    height: 40px;
  }
}

/* legacy text brand (if any page still uses it) */
.brand-mark .brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
}

.brand-mark .name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  transition: color var(--transition);
}

.brand-mark .tag {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  transition: color var(--transition);
}

.navbar-nav .nav-link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft) !important;
  padding: 0.55rem 0.85rem !important;
  position: relative;
  transition: color var(--transition);
}

.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.2rem;
  height: 1px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  transform: scaleX(1);
}

.navbar-nav .nav-link.active {
  color: var(--ink) !important;
}

.navbar-toggler {
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.45rem 0.6rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.nav-cta {
  margin-left: 0.75rem;
  padding: 0.7rem 1.25rem !important;
}

/* Transparent nav over home hero */
.site-nav.nav-over-hero:not(.scrolled) {
  background: linear-gradient(180deg, rgba(12, 38, 63, 0.55) 0%, transparent 100%);
  backdrop-filter: none;
  border-bottom-color: transparent;
}

.site-nav.nav-over-hero:not(.scrolled) .brand-mark .name {
  color: var(--white);
}

.site-nav.nav-over-hero:not(.scrolled) .brand-mark .tag {
  color: var(--accent-light);
}

.site-nav.nav-over-hero:not(.scrolled) .brand-mark {
  background: transparent;
  padding: 0;
  box-shadow: none;
}

.site-nav.nav-over-hero:not(.scrolled) .brand-mark .logo-light {
  display: block;
}

.site-nav.nav-over-hero:not(.scrolled) .brand-mark .logo-dark {
  display: none;
}

.site-nav.nav-over-hero:not(.scrolled) .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
}

.site-nav.nav-over-hero:not(.scrolled) .navbar-nav .nav-link.active {
  color: var(--white) !important;
}

.site-nav.nav-over-hero:not(.scrolled) .navbar-nav .nav-link::after {
  background: var(--accent-light);
}

.site-nav.nav-over-hero:not(.scrolled) .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}

.site-nav.nav-over-hero:not(.scrolled) .navbar-toggler-icon {
  filter: invert(1) brightness(2);
}

.site-nav.nav-over-hero:not(.scrolled) .nav-cta.btn-primary {
  background: var(--white);
  border-color: var(--white);
  color: var(--ink);
}

.site-nav.nav-over-hero:not(.scrolled) .nav-cta.btn-primary:hover {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.75);
}

/* Page offset under fixed nav */
.page-offset {
  padding-top: var(--nav-h);
}

.home-page .page-offset,
.home-page > main {
  padding-top: 0;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  transform: scale(1.06);
  animation: heroZoom 24s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.06) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.2%, -0.8%); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(105deg, rgba(12, 38, 63, 0.9) 0%, rgba(12, 38, 63, 0.68) 46%, rgba(12, 38, 63, 0.42) 100%),
    linear-gradient(180deg, rgba(12, 38, 63, 0.45) 0%, transparent 32%, rgba(12, 38, 63, 0.82) 100%);
  pointer-events: none;
}

.hero-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg width='72' height='72' viewBox='0 0 72 72' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='0.5'%3E%3Cpath d='M0 36h72M36 0v72'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 72px 72px;
  mix-blend-mode: soft-light;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--nav-h) + 4rem) 0 3.25rem;
  width: 100%;
  flex: 1;
}

.hero-copy {
  max-width: 38rem;
}

.hero .eyebrow {
  color: var(--accent-light);
  opacity: 0;
  animation: riseIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}

.hero .brand-line {
  font-family: var(--font-display);
  font-size: clamp(3.1rem, 8vw, 5.8rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--white);
  margin: 0 0 1rem;
  opacity: 0;
  animation: riseIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
}

.hero h1 {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  max-width: none;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 1.1rem;
  opacity: 0;
  animation: riseIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

.hero .lead {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.76);
  max-width: 30rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: riseIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: riseIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-meta {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(12, 38, 63, 0.55);
  backdrop-filter: blur(12px);
  opacity: 0;
  animation: riseIn 1s cubic-bezier(0.22, 1, 0.36, 1) 0.65s forwards;
}

.hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

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

.hero-meta .item {
  padding: 1.35rem 1rem 1.35rem 0;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding-right: 1.25rem;
  margin-right: 1.25rem;
}

.hero-meta .item:nth-child(2n) {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

@media (min-width: 768px) {
  .hero-meta .item {
    padding: 1.55rem 0;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    margin-right: 0;
    padding-right: 0;
    padding-left: 0;
  }

  .hero-meta .item:not(:last-child) {
    padding-right: 1.5rem;
    margin-right: 1.5rem;
  }

  .hero-meta .item:nth-child(2n) {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hero-meta .item:last-child {
    border-right: 0;
    margin-right: 0;
    padding-right: 0;
  }
}

.hero-meta .item strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.hero-meta .item span {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

@media (prefers-reduced-motion: reduce) {
  .hero .eyebrow,
  .hero .brand-line,
  .hero h1,
  .hero .lead,
  .hero-actions,
  .hero-meta {
    opacity: 1;
    animation: none;
    transform: none;
  }

  .hero-media img {
    animation: none;
    transform: none;
  }
}

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  background: var(--ink);
  color: var(--white);
  padding: 5.5rem 0 4rem;
  overflow: hidden;
}

.page-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(120deg, rgba(12, 38, 63, 0.88), rgba(12, 38, 63, 0.62)),
    linear-gradient(180deg, rgba(12, 38, 63, 0.2), rgba(12, 38, 63, 0.55));
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  margin-bottom: 0.85rem;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 36rem;
}

.breadcrumb-custom {
  display: flex;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.25rem;
}

.breadcrumb-custom a:hover {
  color: var(--accent-light);
}

/* Trust strip */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 1.75rem 0;
}

.trust-strip .label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.75rem;
}

.cert-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.cert-pill {
  border: 1px solid var(--line);
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: var(--paper);
  transition: border-color var(--transition), color var(--transition);
}

.cert-pill:hover {
  border-color: var(--teal);
  color: var(--teal);
}

/* Feature / service blocks */
.feature-grid .feature-item {
  height: 100%;
  padding: 2rem 1.75rem;
  border-top: 2px solid var(--ink);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-grid .feature-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-top-color: var(--teal);
}

.feature-item .icon-wrap {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  background: var(--teal-soft);
  color: var(--teal);
}

.feature-item h3 {
  font-size: 1.55rem;
  margin-bottom: 0.75rem;
}

.feature-item p {
  color: var(--slate);
  font-size: 0.95rem;
}

.feature-item .link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
}

.feature-item .link:hover {
  color: var(--teal-deep);
}

/* Split panels */
.split-panel {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 520px;
}

@media (min-width: 992px) {
  .split-panel {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.split-visual {
  position: relative;
  min-height: 320px;
  background: var(--ink-soft);
  overflow: hidden;
}

.split-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(160deg, rgba(12, 38, 63, 0.35), rgba(0, 78, 188, 0.35));
  pointer-events: none;
}

.split-visual::after {
  content: "";
  position: absolute;
  inset: 12% 14%;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.25);
  animation: framePulse 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes framePulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.015); }
}

.split-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3.5rem 2rem;
  background: var(--white);
}

@media (min-width: 992px) {
  .split-content {
    padding: 4rem 4.5rem;
  }
}

.split-content .checklist {
  margin: 1.5rem 0 2rem;
}

.split-content .checklist li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--slate);
}

.split-content .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  background: var(--teal);
}

/* Category mosaic */
.category-tile {
  position: relative;
  display: block;
  min-height: 220px;
  padding: 1.75rem;
  color: var(--white);
  overflow: hidden;
  background: var(--ink-soft);
}

.category-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.category-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 15%, rgba(12, 38, 63, 0.88) 100%);
  z-index: 1;
}

.category-tile:hover img {
  transform: scale(1.06);
}

.category-tile .content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.category-tile h3 {
  font-size: 1.65rem;
  margin-bottom: 0.35rem;
}

.category-tile span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

/* Process steps */
.process-step {
  position: relative;
  padding: 1.5rem 0 1.5rem 1.25rem;
  border-left: 1px solid var(--line);
  height: 100%;
}

.process-step .num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 0.85rem;
}

.process-step h3 {
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}

.process-step p {
  color: var(--slate);
  font-size: 0.95rem;
}

/* Certificate cards */
.cert-card {
  height: 100%;
  padding: 2rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.cert-card:hover {
  border-color: var(--teal);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.cert-card .badge-mark {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  border: 1px solid var(--bronze);
  color: var(--bronze);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}

.cert-card .cert-logo {
  width: 88px;
  height: 88px;
  margin-bottom: 1.25rem;
}

.cert-card .cert-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform var(--transition);
}

.cert-card:hover .cert-logo img {
  transform: scale(1.06);
}

.cert-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.cert-card p {
  color: var(--slate);
  font-size: 0.92rem;
}

.cert-logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.35rem;
  padding: 1.5rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.cert-logo-strip img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  opacity: 0.92;
  transition: transform var(--transition), opacity var(--transition);
}

.cert-logo-strip img:hover {
  opacity: 1;
  transform: translateY(-3px) scale(1.05);
}

@media (min-width: 768px) {
  .cert-logo-strip img {
    width: 72px;
    height: 72px;
  }
}

/* Stats */
.stats-band {
  background: var(--ink);
  color: var(--white);
  padding: 4rem 0;
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-item span {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

/* Testimonial */
.quote-block {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.quote-block blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 1.5rem;
}

.quote-block cite {
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

/* Partners */
.partners-section {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 576px) {
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  padding: 1.5rem 1.25rem;
  background: var(--paper);
  transition: background var(--transition);
}

.partner-logo img {
  max-width: 180px;
  width: 100%;
  height: auto;
  object-fit: contain;
  opacity: 0.7;
  filter: grayscale(1);
  transition: opacity var(--transition), filter var(--transition), transform var(--transition);
}

.partner-logo:hover {
  background: var(--white);
}

.partner-logo:hover img {
  opacity: 1;
  filter: grayscale(0);
  transform: translateY(-2px);
}

.partners-note {
  margin-top: 1.25rem;
  font-size: 0.82rem;
}

.partners-note code {
  font-size: 0.78rem;
  background: var(--mist);
  padding: 0.1rem 0.35rem;
}

/* CTA band */
.cta-band {
  position: relative;
  padding: 5rem 0;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.cta-band-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-band-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(120deg, rgba(12, 38, 63, 0.92), rgba(0, 78, 188, 0.78));
  pointer-events: none;
}

.cta-band::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -80px;
  top: -120px;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  animation: drift 10s ease-in-out infinite alternate;
  pointer-events: none;
}

.cta-band .container {
  position: relative;
  z-index: 2;
}

@keyframes drift {
  from { transform: translate(0, 0); }
  to { transform: translate(-30px, 40px); }
}

.cta-band h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 32rem;
  margin-bottom: 1.75rem;
}

/* Forms */
.form-panel {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 2.5rem;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.45rem;
}

.form-control,
.form-select {
  border-radius: 0;
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 78, 188, 0.15);
  background: var(--white);
}

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

.contact-info-list li {
  display: flex;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-info-list li:last-child {
  border-bottom: 0;
}

.contact-info-list .label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  min-width: 5.5rem;
  padding-top: 0.15rem;
}

.contact-info-list .value {
  color: var(--slate);
  font-size: 0.95rem;
}

.contact-info-list a:hover {
  color: var(--teal);
}

/* Office cards */
.office-card {
  height: auto;
  padding: 2rem;
  background: var(--white);
  border-top: 2px solid var(--teal);
}

/* Equal height only in multi-column grids (e.g. About offices) */
.row > [class*="col"] > .office-card {
  height: 100%;
}

.office-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.office-stack .office-card {
  height: auto;
  flex: 0 0 auto;
}

.office-card h3 {
  font-size: 1.45rem;
  margin-bottom: 0.35rem;
}

.office-card .role {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.25rem;
}

.office-card p,
.office-card a {
  color: var(--slate);
  font-size: 0.92rem;
}

.office-card a:hover {
  color: var(--teal);
}

/* Category list page */
.cat-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-bottom: 1px solid var(--line);
  padding: 2rem 1.25rem;
  transition: background var(--transition);
}

@media (min-width: 768px) {
  .cat-row {
    grid-template-columns: 220px 1fr auto;
    align-items: start;
    gap: 2rem;
    padding: 2rem 1.75rem;
  }
}

.cat-row:hover {
  background: rgba(0, 78, 188, 0.04);
}

.cat-row h3 {
  font-size: 1.75rem;
}

.cat-row .subs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.35rem;
}

.cat-row .subs span {
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
  background: var(--mist);
  color: var(--ink-soft);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  padding-top: 4.5rem;
}

.site-footer h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.site-footer .footer-brand .name {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
  display: block;
  margin-bottom: 0.75rem;
}

.site-footer .footer-brand .footer-logo {
  display: inline-block;
  margin-bottom: 0.9rem;
}

.site-footer .footer-brand .footer-logo img {
  height: 36px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.site-footer a:hover {
  color: var(--accent-light);
}

.footer-links li {
  margin-bottom: 0.55rem;
}

.footer-links a {
  font-size: 0.92rem;
}

.footer-bottom {
  margin-top: 3rem;
  padding: 1.35rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Utilities */
.bg-white-block { background: var(--white); }
.bg-mist { background: var(--mist); }
.border-top-line { border-top: 1px solid var(--line); }
.border-bottom-line { border-bottom: 1px solid var(--line); }

@media (max-width: 991.98px) {
  .site-nav {
    height: auto;
    min-height: var(--nav-h);
  }

  .navbar-collapse {
    background: var(--paper);
    margin-top: 0.75rem;
    padding: 1rem 0 1.25rem;
    border-top: 1px solid var(--line);
  }

  .site-nav.nav-over-hero:not(.scrolled) .navbar-collapse .nav-link {
    color: var(--ink-soft) !important;
  }

  .site-nav.nav-over-hero:not(.scrolled) .navbar-collapse .nav-link.active {
    color: var(--ink) !important;
  }

  .site-nav.nav-over-hero:not(.scrolled) .navbar-collapse .nav-link::after {
    background: var(--teal);
  }

  .site-nav.nav-over-hero:not(.scrolled) .navbar-collapse .nav-cta.btn-primary {
    background: var(--teal);
    border-color: var(--teal);
    color: var(--white);
  }

  .nav-cta {
    margin: 0.75rem 0 0 !important;
    display: inline-block;
  }

  .hero-inner {
    padding: calc(var(--nav-h) + 2.5rem) 0 2.5rem;
  }
}

/* Categories v2 — visual gallery / bento */
.view-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.view-switch-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-right: 0.35rem;
}

.view-switch-btn {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.view-switch-btn:hover,
.view-switch-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.cat-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .cat-bento {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.15rem;
  }
}

@media (min-width: 992px) {
  .cat-bento {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(240px, auto);
  }

  .cat-panel {
    grid-column: span 4;
  }

  .cat-panel--wide {
    grid-column: span 8;
  }

  .cat-panel--tall {
    grid-column: span 4;
    grid-row: span 2;
    min-height: 500px;
  }
}

.cat-panel {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  isolation: isolate;
}

.cat-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.cat-panel-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(12, 38, 63, 0.15) 0%, rgba(12, 38, 63, 0.55) 45%, rgba(12, 38, 63, 0.92) 100%);
  transition: background 0.45s ease;
}

.cat-panel-body {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: inherit;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem 1.5rem 1.6rem;
}

.cat-panel-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.55rem;
}

.cat-panel h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  margin-bottom: 0.35rem;
}

.cat-panel p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  max-width: 28rem;
  margin-bottom: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, opacity 0.35s ease, margin 0.35s ease;
}

.cat-panel-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, opacity 0.35s ease, margin 0.35s ease;
}

.cat-panel-chips span {
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.cat-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, opacity 0.35s ease, margin 0.35s ease;
}

.btn-sm-custom {
  padding: 0.55rem 1rem;
  font-size: 0.75rem;
}

.cat-panel:hover img,
.cat-panel:focus-within img {
  transform: scale(1.07);
}

.cat-panel:hover .cat-panel-shade,
.cat-panel:focus-within .cat-panel-shade {
  background:
    linear-gradient(180deg, rgba(12, 38, 63, 0.35) 0%, rgba(12, 38, 63, 0.7) 40%, rgba(12, 38, 63, 0.96) 100%);
}

.cat-panel:hover p,
.cat-panel:focus-within p {
  max-height: 6rem;
  opacity: 1;
  margin-bottom: 0.85rem;
  margin-top: 0.35rem;
}

.cat-panel:hover .cat-panel-chips,
.cat-panel:focus-within .cat-panel-chips {
  max-height: 5rem;
  opacity: 1;
  margin-top: 0.15rem;
}

.cat-panel:hover .cat-panel-actions,
.cat-panel:focus-within .cat-panel-actions {
  max-height: 4rem;
  opacity: 1;
  margin-top: 1rem;
}

/* Touch devices: keep details visible without hover */
@media (hover: none) {
  .cat-panel p,
  .cat-panel-chips,
  .cat-panel-actions {
    max-height: none;
    opacity: 1;
  }

  .cat-panel p {
    margin: 0.35rem 0 0.85rem;
  }

  .cat-panel-chips {
    margin-top: 0.15rem;
  }

  .cat-panel-actions {
    margin-top: 1rem;
  }
}

/* Categories v3 — multilevel tree */
.cat-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  min-width: min(100%, 340px);
  flex: 1 1 260px;
  max-width: 420px;
}

.cat-search-wrap > i {
  position: absolute;
  left: 0.9rem;
  color: var(--slate);
  pointer-events: none;
}

.cat-search-wrap input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 0.7rem 1rem 0.7rem 2.4rem;
  font-size: 0.88rem;
  font-family: var(--font-body);
  color: var(--ink);
}

.cat-search-wrap input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 78, 188, 0.12);
}

.cat-search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 30;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  max-height: 320px;
  overflow: auto;
}

.cat-search-hit {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-family: var(--font-body);
  cursor: pointer;
}

.cat-search-hit:hover {
  background: var(--mist);
}

.cat-search-hit strong {
  font-size: 0.9rem;
  color: var(--ink);
}

.cat-search-hit span {
  font-size: 0.75rem;
  color: var(--slate);
}

.cat-search-empty {
  padding: 1rem;
  font-size: 0.88rem;
  color: var(--slate);
}

.cat-tree-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 1.5rem;
}

.cat-tree-crumb a:hover {
  color: var(--teal);
}

.cat-tree-crumb .sep {
  opacity: 0.4;
}

.cat-tree-crumb span:last-child {
  color: var(--ink);
  font-weight: 600;
}

.cat-tree-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 992px) {
  .cat-tree-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2rem;
  }
}

.cat-tree-sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.85rem;
}

.cat-tree-nav {
  flex-direction: column;
  gap: 0.45rem;
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}

.cat-tree-nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color var(--transition), background var(--transition);
}

.cat-tree-nav-item:hover,
.cat-tree-nav-item.active {
  border-color: var(--teal);
  background: rgba(0, 78, 188, 0.05);
}

.cat-tree-nav-item .thumb {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
}

.cat-tree-nav-item .meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.cat-tree-nav-item strong {
  font-size: 0.92rem;
  color: var(--ink);
}

.cat-tree-nav-item small {
  font-size: 0.72rem;
  color: var(--slate);
}

.cat-tree-detail {
  background: var(--white);
  border: 1px solid var(--line);
  min-height: 420px;
}

.cat-detail-head {
  display: grid;
  grid-template-columns: 1fr;
}

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

.cat-detail-visual {
  min-height: 180px;
  background-size: cover;
  background-position: center;
}

.cat-detail-intro {
  padding: 1.75rem;
}

.cat-detail-intro h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.65rem;
}

.cat-detail-levels {
  padding: 1.75rem;
  border-top: 1px solid var(--line);
}

.cat-level-hint {
  font-size: 0.78rem;
  color: var(--slate);
}

.cat-leaf-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cat-leaf-grid--lg {
  gap: 0.65rem;
}

.cat-leaf {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.cat-leaf i {
  font-size: 0.75rem;
  opacity: 0.55;
}

.cat-leaf:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-soft);
}

.cat-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: 0;
  margin-bottom: 0.55rem;
  background: var(--paper);
}

.cat-acc-btn {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--white);
  box-shadow: none !important;
  padding: 1rem 1.15rem;
  gap: 1rem;
}

.cat-acc-btn:not(.collapsed) {
  background: var(--white);
  color: var(--ink);
}

.cat-acc-btn .count {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 0.2rem 0.5rem;
}

.cat-acc-btn::after {
  margin-left: 0.75rem;
}

.cat-accordion .accordion-body {
  padding: 1rem 1.15rem 1.25rem;
  background: var(--white);
}

.cat-level-enquire {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
}

.cat-level-enquire:hover {
  color: var(--teal-deep);
}

.cat-deep-block {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.cat-deep-block:last-of-type {
  border-bottom: 0;
}

.cat-deep-block h4 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.cat-empty {
  font-size: 0.92rem;
}

.legend-card {
  height: 100%;
  padding: 1.5rem;
  background: var(--white);
  border-top: 2px solid var(--teal);
}

.legend-card .num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.legend-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.45rem;
}

.legend-card p {
  color: var(--slate);
  font-size: 0.9rem;
}

/* Categories v4 — product catalog */
.v4-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 992px) {
  .v4-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2rem;
  }
}

.v4-l1-nav {
  flex-direction: column;
  gap: 0.45rem;
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}

.v4-l1-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color var(--transition), background var(--transition);
}

.v4-l1-item:hover,
.v4-l1-item.active {
  border-color: var(--teal);
  background: rgba(0, 78, 188, 0.05);
}

.v4-l1-item .thumb {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
}

.v4-l1-item .meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.v4-l1-item strong {
  font-size: 0.92rem;
  color: var(--ink);
}

.v4-l1-item small {
  font-size: 0.72rem;
  color: var(--slate);
}

.v4-cat-banner {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--white);
  border: 1px solid var(--line);
  margin-bottom: 1.25rem;
  overflow: hidden;
}

@media (min-width: 768px) {
  .v4-cat-banner {
    grid-template-columns: 280px 1fr;
  }
}

.v4-cat-image {
  min-height: 180px;
  background-size: cover;
  background-position: center;
  background-color: var(--ink-soft);
}

.v4-cat-copy {
  padding: 1.5rem 1.75rem;
}

.v4-cat-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.5rem;
}

.v4-count {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}

.v4-l2-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.v4-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.v4-chip span {
  font-size: 0.68rem;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 0.1rem 0.4rem;
}

.v4-chip:hover,
.v4-chip.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.v4-chip.active span,
.v4-chip:hover span {
  background: rgba(255, 255, 255, 0.15);
  color: var(--accent-light);
}

.v4-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 768px) {
  .v4-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
  }
}

@media (min-width: 1200px) {
  .v4-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.v4-card {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.v4-card:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.v4-card-media {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--mist);
  cursor: zoom-in;
}

.v4-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.v4-card:hover .v4-card-media img {
  transform: scale(1.05);
}

.v4-zoom-hint {
  position: absolute;
  right: 0.65rem;
  top: 0.65rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.55rem;
  background: rgba(12, 38, 63, 0.75);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.v4-card:hover .v4-zoom-hint,
.v4-card-media:focus .v4-zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

.v4-code-badge {
  position: absolute;
  left: 0.65rem;
  bottom: 0.65rem;
  padding: 0.35rem 0.55rem;
  background: rgba(12, 38, 63, 0.82);
  color: var(--accent-light);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* Lightbox */
.v4-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.v4-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.v4-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 38, 63, 0.88);
  cursor: zoom-out;
}

.v4-lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  max-height: calc(100vh - 2rem);
  display: flex;
  flex-direction: column;
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.v4-lightbox-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  max-height: calc(100vh - 7rem);
  background: #0c263f;
  overflow: auto;
}

.v4-lightbox-stage img {
  width: 100%;
  height: auto;
  max-height: calc(100vh - 7rem);
  object-fit: contain;
  display: block;
}

.v4-lightbox-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.v4-lightbox-meta h3 {
  font-size: 1.35rem;
  margin-bottom: 0.2rem;
}

.v4-lightbox-meta p {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.v4-lightbox-meta strong {
  color: var(--accent-light);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.v4-lightbox-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.v4-lightbox-counter {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.55);
}

.v4-lightbox-close {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  z-index: 3;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(12, 38, 63, 0.7);
  color: var(--white);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.v4-lightbox-close:hover {
  background: var(--teal);
  border-color: var(--teal);
}

.v4-lightbox-nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(12, 38, 63, 0.7);
  color: var(--white);
  display: grid;
  place-items: center;
  cursor: pointer;
}

.v4-lightbox-nav:hover {
  background: var(--teal);
  border-color: var(--teal);
}

.v4-lightbox-prev { left: 0.75rem; }
.v4-lightbox-next { right: 0.75rem; }

@media (max-width: 767.98px) {
  .v4-lightbox-nav {
    top: auto;
    bottom: 5.5rem;
    transform: none;
  }
}

.v4-card-body {
  padding: 1rem 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.v4-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.v4-code {
  font-size: 0.78rem;
  color: var(--slate);
  margin-bottom: 0.9rem;
}

.v4-code strong {
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
}

.v4-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.v4-empty {
  grid-column: 1 / -1;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--slate);
  border: 1px dashed var(--line);
  background: var(--white);
}

.v4-note {
  font-size: 0.85rem;
}

.seo-cat-index {
  margin-top: 2.5rem;
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.seo-cat-list {
  margin: 0;
  padding-left: 1.15rem;
  columns: 1;
  gap: 2rem;
}

@media (min-width: 768px) {
  .seo-cat-list {
    columns: 2;
  }
}

.seo-cat-list li {
  margin-bottom: 0.55rem;
  color: var(--slate);
  font-size: 0.92rem;
  break-inside: avoid;
}

.seo-cat-list a {
  color: var(--ink);
  font-weight: 600;
}

.seo-cat-list a:hover {
  color: var(--teal);
}