:root {
  --navy: #0a2744;
  --navy-deep: #06182c;
  --blue: #0084d4;
  --blue-bright: #00a8f0;
  --ice: #e8f5fc;
  --ice-2: #f4fafd;
  --white: #ffffff;
  --ink: #122033;
  --muted: #5a6b7d;
  --line: #d5e4ef;
  --accent: #00b4d8;
  --warm: #ff8a3d;
  --ok: #1f9d6c;
  --danger: #d64545;
  --font-display: "Outfit", sans-serif;
  --font-body: "Plus Jakarta Sans", sans-serif;
  --max: 1160px;
  --header-h: 78px;
  --ease: 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(--ice-2);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(100% - 2.4rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: absolute;
  inset-inline: 0;
  top: 0;
  z-index: 40;
  color: #fff;
}
.site-header.is-solid {
  position: fixed;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}
.logo em {
  font-style: normal;
  color: var(--accent);
}
.site-header.is-solid .logo em { color: var(--blue); }

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.nav a {
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.88;
}
.nav a:hover,
.nav a.is-active { opacity: 1; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.lang-switch { display: flex; gap: 0.15rem; }
.lang-switch a {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.36rem;
  opacity: 0.7;
}
.lang-switch a.is-active {
  opacity: 1;
  border-bottom: 2px solid currentColor;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.92rem 1.35rem;
  border: 2px solid transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.94rem;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-bright) 100%);
  color: #fff;
  box-shadow: 0 10px 28px rgba(0, 132, 212, 0.35);
}
.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(0, 132, 212, 0.45);
}

.btn-light {
  background: #fff;
  color: var(--navy);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.site-header.is-solid .btn-ghost,
.btn-outline {
  border-color: var(--navy);
  color: var(--navy);
  background: transparent;
}
.btn-outline:hover,
.site-header.is-solid .btn-ghost:hover {
  background: var(--navy);
  color: #fff;
}

.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: inherit;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
}
.site-header.is-solid .menu-toggle {
  background: var(--ice);
  border-color: var(--line);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  background: var(--navy-deep);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  animation: heroZoom 20s var(--ease) both;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 24, 44, 0.4) 0%, transparent 20%),
    linear-gradient(105deg, rgba(6, 24, 44, 0.72) 0%, rgba(6, 24, 44, 0.35) 48%, rgba(6, 24, 44, 0.15) 100%),
    linear-gradient(180deg, transparent 50%, rgba(6, 24, 44, 0.65) 100%);
}

.hero-content {
  width: min(100% - 2.4rem, var(--max));
  margin: 0 auto;
  padding: calc(var(--header-h) + 2.5rem) 0 4rem;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9adbff;
  margin-bottom: 1rem;
  animation: riseIn 0.8s var(--ease) both;
}
.hero-kicker::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--accent);
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 9.5vw, 6.2rem);
  letter-spacing: -0.04em;
  line-height: 0.94;
  margin: 0 0 1.1rem;
  max-width: 11ch;
  animation: riseIn 0.9s var(--ease) 0.05s both;
}
.hero-brand span { color: var(--accent); }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.3vw, 1.55rem);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 0.9rem;
  max-width: 24ch;
  color: #fff;
  animation: riseIn 0.9s var(--ease) 0.1s both;
}

.hero-lead {
  margin: 0 0 1.8rem;
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.08rem;
  animation: riseIn 0.9s var(--ease) 0.15s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: riseIn 0.9s var(--ease) 0.2s both;
}

/* Sections */
.section {
  padding: 5rem 0;
  background: var(--white);
}
.section-alt { background: var(--ice-2); }
.section-navy {
  background: linear-gradient(160deg, var(--navy) 0%, #0d3558 100%);
  color: #fff;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}
.section-eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.7rem;
}
.section-navy .section-eyebrow { color: #9adbff; }

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.3vw, 2.55rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin: 0 0 0.8rem;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.section-navy .section-head p { color: rgba(255, 255, 255, 0.75); }

/* Explain VRF */
.explain-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}
.explain-visual {
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}
.explain-visual img {
  width: 100%;
  height: auto;
}
.explain-points {
  display: grid;
  gap: 1rem;
}
.explain-point {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.explain-point:last-child { border-bottom: 0; }
.explain-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue);
}
.explain-point h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 650;
}
.explain-point p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Visual trio */
.visual-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.visual-card {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}
.visual-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform 0.6s var(--ease);
}
.visual-card:hover img { transform: scale(1.05); }
.visual-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, transparent 30%, rgba(6, 24, 44, 0.88) 100%);
}
.visual-card .body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.35rem;
}
.visual-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}
.visual-card p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
}

/* Brands */
.brand-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.brand-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  min-height: 150px;
  padding: 1.35rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.brand-item:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(10, 39, 68, 0.08);
}
.brand-item strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-item span {
  color: var(--muted);
  font-size: 0.9rem;
}
.brand-item i {
  font-style: normal;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blue);
}

/* Services */
.service-rows { display: grid; gap: 0; }
.service-row {
  display: grid;
  grid-template-columns: 5rem 1fr auto;
  gap: 1.25rem;
  align-items: start;
  padding: 1.8rem 0;
  border-top: 1px solid var(--line);
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-index {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue);
}
.service-row h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}
.service-row p {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
}
.service-link {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
  white-space: nowrap;
  margin-top: 0.3rem;
}

/* Regions */
.region-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}
.region-item {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.35rem 1.1rem;
  min-height: 140px;
}
.region-item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}
.region-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* CTA */
.cta-band {
  position: relative;
  padding: 5rem 0;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(110deg, rgba(6, 24, 44, 0.92), rgba(0, 100, 170, 0.72)),
    url("/assets/img/vrf-cassette.png") center/cover;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.1vw, 2.4rem);
  margin: 0 0 0.8rem;
  max-width: 16ch;
}
.cta-band p {
  margin: 0 0 1.6rem;
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.82);
}

/* Inner pages */
.page-hero {
  padding: calc(var(--header-h) + 3.2rem) 0 2.4rem;
  background: linear-gradient(145deg, var(--navy-deep), #0d3a63 70%, #0870b5);
  color: #fff;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.1rem);
  letter-spacing: -0.035em;
  margin: 0 0 0.8rem;
  max-width: 14ch;
  line-height: 1.08;
}
.page-hero p {
  margin: 0;
  max-width: 38rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
}
.page-hero .crumb {
  color: #9adbff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.prose {
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.06rem;
}
.prose h2 {
  color: var(--ink);
  font-family: var(--font-display);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-grid .full { grid-column: 1 / -1; }
label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}
input, textarea, select {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.9rem 0.95rem;
  font: inherit;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid rgba(0, 132, 212, 0.25);
  border-color: var(--blue);
}
.aside-panel {
  padding: 1.5rem;
  background: var(--ice);
  border: 1px solid var(--line);
  align-self: start;
}
.aside-panel a.contact-link {
  display: block;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--blue);
  font-weight: 700;
}
.aside-panel a.contact-link:last-child { border-bottom: 0; }
.form-note { margin-top: 1rem; min-height: 1.4rem; font-size: 0.92rem; }
.form-note.ok { color: var(--ok); }
.form-note.err { color: var(--danger); }

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 3.4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
}
.footer-brand span { color: var(--accent); }
.site-footer p,
.site-footer a { color: rgba(255, 255, 255, 0.7); font-size: 0.92rem; }
.site-footer a:hover { color: #fff; }
.site-footer nav { display: grid; gap: 0.5rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.5);
}

.section-action { margin-top: 1.75rem; }

@keyframes riseIn {
  from { transform: translateY(16px); filter: blur(2px); }
  to { transform: none; filter: none; }
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-kicker, .hero-brand, .hero h1, .hero-lead, .hero-actions, .hero-media img {
    animation: none !important;
  }
}

@media (max-width: 980px) {
  .explain-grid,
  .visual-trio,
  .brand-rail,
  .contact-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .region-list { grid-template-columns: repeat(2, 1fr); }
  .service-row { grid-template-columns: 3.2rem 1fr; }
  .service-row .service-link { grid-column: 2; }
  .menu-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1.1rem 1.25rem 1.4rem;
    background: rgba(6, 24, 44, 0.97);
    color: #fff;
  }
  .site-header.is-solid .nav {
    background: #fff;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open { display: flex; }
  .header-actions .btn { display: none; }
}

@media (max-width: 640px) {
  .form-grid,
  .region-list,
  .brand-rail { grid-template-columns: 1fr; }
  .visual-card { min-height: 220px; }
}