/* Gulfaviorexanta — Aircraft Maintenance Website */

:root {
  --navy: #071B32;
  --aviation-blue: #123C63;
  --steel: #416783;
  --white: #FFFFFF;
  --light-grey: #F3F6F9;
  --gold: #B3935D;
  --gold-hover: #9E7F4C;
  --text: #1A2B3C;
  --text-muted: #5A6B7C;
  --border: #D8E0E8;
  --overlay: rgba(7, 27, 50, 0.62);
  --shadow: 0 12px 40px rgba(7, 27, 50, 0.12);
  --radius: 4px;
  --header-h: 80px;
  --max: 1180px;
  --font: "Manrope", "Segoe UI", sans-serif;
  --transition: 0.25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }
p { color: var(--text-muted); }

.section-intro {
  max-width: 42rem;
  margin-top: 0.85rem;
}

.section-header {
  margin-bottom: 2.75rem;
}

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

.section-header.centered .section-intro {
  margin-inline: auto;
}

.section-header.centered h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin: 0.85rem auto 0;
  background: linear-gradient(90deg, var(--gold), var(--aviation-blue));
  border-radius: 2px;
}

.eyebrow {
  position: relative;
  padding-left: 1.1rem;
}

.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--gold);
  transform: translateY(-50%);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 650;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible,
.nav-link:focus-visible,
.service-card:focus-visible,
.feature-block:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-hover);
  border-color: var(--gold-hover);
  color: var(--navy);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.75);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

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

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 27, 50, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(197, 166, 106, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.logo img {
  display: block;
  height: 42px;
  width: auto;
  max-width: min(220px, 48vw);
}

.footer-brand .logo img {
  height: 48px;
  max-width: min(260px, 70vw);
  margin-bottom: 0.25rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  border-radius: var(--radius);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-link {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  font-weight: 550;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold);
}

/* Hero */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--navy) center / cover no-repeat;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(197, 166, 106, 0.18), transparent 45%),
    linear-gradient(160deg, rgba(7, 27, 50, 0.82) 0%, rgba(7, 27, 50, 0.58) 45%, rgba(18, 60, 99, 0.45) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
  max-width: 46rem;
  margin-inline: auto;
  animation: heroRise 0.8s ease both;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1rem;
}

.hero p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
  max-width: 38rem;
  margin-inline: auto;
}

.hero .btn-group {
  justify-content: center;
}

.page-hero {
  min-height: 420px;
}

.page-hero .hero-content {
  padding: 5rem 0;
  max-width: 48rem;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

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

.breadcrumb .sep {
  opacity: 0.5;
}

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

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--light-grey);
}

.section-navy {
  background: var(--navy);
  color: var(--white);
}

.section-navy h2,
.section-navy h3 {
  color: var(--white);
}

.section-navy p {
  color: rgba(255, 255, 255, 0.78);
}

/* Intro split */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.split-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 360px;
  background: var(--aviation-blue);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.6s ease;
}

.split:hover .split-media img {
  transform: scale(1.04);
}

.split-content .eyebrow {
  display: inline-block;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.split-content p + p {
  margin-top: 1rem;
}

/* Service cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.35rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--aviation-blue), var(--gold));
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 2;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--aviation-blue);
  display: block;
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-media img {
  transform: scale(1.06);
}

.service-card-body {
  padding: 1.35rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-card h3 {
  margin-bottom: 0.55rem;
  font-size: 1.05rem;
}

.service-card h3 a {
  color: var(--navy);
}

.service-card h3 a:hover {
  color: var(--gold-hover);
}

.service-card p {
  font-size: 0.92rem;
  flex: 1;
  margin-bottom: 1.1rem;
}

.read-more {
  color: var(--aviation-blue);
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.read-more::after {
  content: "→";
  transition: transform var(--transition);
}

.service-card:hover .read-more {
  color: var(--gold-hover);
}

.service-card:hover .read-more::after {
  transform: translateX(4px);
}

/* Feature blocks */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.feature-block {
  position: relative;
  min-height: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  background: var(--aviation-blue) center / cover no-repeat;
}

.feature-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 27, 50, 0.92) 0%, rgba(7, 27, 50, 0.25) 100%);
  transition: background var(--transition);
}

.feature-block:hover::before {
  background: linear-gradient(to top, rgba(7, 27, 50, 0.96) 0%, rgba(18, 60, 99, 0.45) 100%);
}

.feature-block-content {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
}

.feature-block h3 {
  color: var(--white);
  margin-bottom: 0.45rem;
}

.feature-block p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* Key systems mosaic */
.systems-section {
  background:
    linear-gradient(180deg, var(--white) 0%, var(--light-grey) 100%);
}

.systems-header {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.systems-header h2 {
  margin-top: 0.65rem;
  max-width: none;
}

.systems-header h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-top: 0.85rem;
  background: linear-gradient(90deg, var(--gold), var(--aviation-blue));
  border-radius: 2px;
}

.systems-header .section-intro {
  margin: 0;
  max-width: 34rem;
  padding-bottom: 0.15rem;
}

.systems-mosaic {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  grid-template-rows: 240px 240px;
  gap: 1.15rem;
}

.systems-tile {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  background: var(--aviation-blue) center / cover no-repeat;
  min-height: 220px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.systems-tile-large {
  grid-row: 1 / span 2;
  min-height: 100%;
}

.systems-tile-wide {
  grid-column: 2 / span 2;
}

.systems-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(7, 27, 50, 0.2) 0%, rgba(7, 27, 50, 0.88) 78%);
  transition: background var(--transition);
}

.systems-tile::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition);
}

.systems-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.systems-tile:hover::before {
  background: linear-gradient(160deg, rgba(18, 60, 99, 0.25) 0%, rgba(7, 27, 50, 0.94) 75%);
}

.systems-tile:hover::after {
  transform: scaleY(1);
}

.systems-tile-content {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
  width: 100%;
}

.systems-tile-num {
  display: inline-block;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 0.55rem;
}

.systems-tile h3 {
  color: var(--white);
  margin-bottom: 0.45rem;
  font-size: 1.15rem;
}

.systems-tile p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  max-width: 34rem;
}

.systems-tile-large .systems-tile-content {
  padding: 2rem 1.75rem;
}

.systems-tile-large h3 {
  font-size: 1.45rem;
}

.systems-tile-large p {
  font-size: 0.95rem;
}

/* Why / highlights */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.highlight-item {
  padding: 1.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}

.highlight-item:hover {
  border-color: rgba(197, 166, 106, 0.45);
  background: rgba(197, 166, 106, 0.06);
}

.highlight-num {
  display: block;
  color: var(--gold);
  font-weight: 750;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.highlight-item h3 {
  margin-bottom: 0.55rem;
  font-size: 1.1rem;
}

/* Process */
.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  counter-reset: process;
  list-style: none;
  padding: 0;
  margin: 0;
}

.process-item {
  position: relative;
  padding: 1.75rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.process-item::before {
  counter-increment: process;
  content: counter(process, decimal-leading-zero);
  display: block;
  font-size: 1.5rem;
  font-weight: 750;
  color: var(--gold);
  margin-bottom: 0.85rem;
  letter-spacing: 0.04em;
}

.process-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 0.9rem;
  color: var(--aviation-blue);
}

.process-item h3 {
  margin-bottom: 0.45rem;
  font-size: 1.02rem;
}

.process-item p {
  font-size: 0.9rem;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: 4.5rem 0;
  background:
    linear-gradient(105deg, rgba(7, 27, 50, 0.9), rgba(18, 60, 99, 0.82)),
    var(--aviation-blue) center / cover no-repeat;
}

.cta-band h2 {
  color: var(--white);
  margin-bottom: 0.85rem;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 34rem;
  margin: 0 auto 1.75rem;
}

/* Content pages */
.content-block {
  max-width: 48rem;
}

.content-block p + p,
.content-block p + ul,
.content-block ul + p,
.content-block h2 + p,
.content-block h3 + p {
  margin-top: 1rem;
}

.content-block h2 {
  margin-top: 2.75rem;
  margin-bottom: 0.85rem;
}

.content-block h3 {
  margin-top: 1.85rem;
  margin-bottom: 0.65rem;
}

.content-block ul {
  margin-top: 0.85rem;
  padding-left: 0;
}

.content-block li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.55rem;
  color: var(--text-muted);
}

.content-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 1px;
}

.two-col-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.side-panel {
  background: var(--light-grey);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: sticky;
  top: calc(var(--header-h) + 1.25rem);
}

.side-panel h3 {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.side-panel a {
  display: block;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--aviation-blue);
  font-weight: 600;
  font-size: 0.92rem;
}

.side-panel a:last-child {
  border-bottom: 0;
}

.side-panel a:hover {
  color: var(--gold-hover);
}

.side-panel-gap {
  margin-block-start: 1rem;
}

.side-panel-link {
  display: block;
  margin-block-start: 1rem;
  border: 0;
  padding-block-start: 1rem;
  color: var(--aviation-blue);
  font-weight: 600;
}

.side-panel-link:hover {
  color: var(--gold-hover);
}

.form-submit {
  margin-block-start: 1.25rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.related-link {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color var(--transition), transform var(--transition);
}

.related-link:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.related-link strong {
  display: block;
  color: var(--navy);
  margin-bottom: 0.35rem;
}

.related-link span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 1.25rem;
}

.contact-item {
  padding: 1.35rem 1.25rem;
  background: var(--light-grey);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.contact-item h3 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.contact-item p {
  font-size: 0.95rem;
}

.contact-item a {
  color: var(--aviation-blue);
  font-weight: 600;
}

.contact-item a:hover {
  color: var(--gold-hover);
}

.contact-map {
  margin-top: 3.5rem;
}

.contact-map h2 {
  margin-bottom: 1rem;
}

.map-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--light-grey);
  box-shadow: var(--shadow);
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}


.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-weight: 650;
  font-size: 0.88rem;
  color: var(--navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(65, 103, 131, 0.15);
}

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

.form-group .error {
  color: #9B2C2C;
  font-size: 0.8rem;
  display: none;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #C53030;
}

.form-group.has-error .error {
  display: block;
}

.form-success {
  display: none;
  padding: 1.25rem;
  background: #E8F5EE;
  border: 1px solid #A7D7BF;
  border-radius: var(--radius);
  color: #1F5C40;
  margin-bottom: 1.25rem;
}

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

.form-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* About capabilities list */
.capability-rows {
  display: grid;
  gap: 1rem;
}

.capability-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--border);
}

.capability-row:last-child {
  border-bottom: 0;
}

.capability-row h3 {
  font-size: 1.05rem;
}

/* 404 error page */
.error-page {
  min-height: calc(100vh - var(--header-h) - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 0;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(197, 166, 106, 0.14), transparent 45%),
    linear-gradient(180deg, var(--light-grey) 0%, var(--white) 100%);
  text-align: center;
}

.error-page-inner {
  max-width: 40rem;
}

.error-code {
  font-size: clamp(4.5rem, 12vw, 7.5rem);
  font-weight: 800;
  line-height: 0.9;
  color: var(--navy);
  letter-spacing: -0.04em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--navy), var(--steel));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.error-page h1 {
  margin-bottom: 0.85rem;
}

.error-text {
  max-width: 32rem;
  margin: 0 auto 1.75rem;
  font-size: 1.05rem;
}

.error-page .btn-group {
  justify-content: center;
  margin-top: 0;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.35rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.error-links a {
  color: var(--aviation-blue);
  font-weight: 650;
  font-size: 0.92rem;
}

.error-links a:hover {
  color: var(--gold-hover);
}

/* About page creative layout */
.about-intro {
  position: relative;
  overflow: hidden;
}

.about-intro::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 166, 106, 0.16), transparent 70%);
  pointer-events: none;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
}

.about-intro-visual {
  position: relative;
}

.about-intro-frame {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  background: var(--aviation-blue);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
}

.about-intro-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.6s ease;
}

.about-intro-visual:hover .about-intro-frame img {
  transform: scale(1.04);
}

.about-intro-frame {
  position: relative;
}

.about-intro-badge {
  position: absolute;
  left: 1.25rem;
  bottom: 1.75rem;
  background: var(--navy);
  color: var(--white);
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--gold);
  min-width: 150px;
}

.about-intro-badge span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.2rem;
}

.about-intro-badge strong {
  font-size: 1.15rem;
  font-weight: 750;
}

.about-intro-copy h2 {
  margin: 0.75rem 0 1rem;
  max-width: 18ch;
}

.about-intro-copy p + p {
  margin-top: 1rem;
}

.about-intro-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}

.about-intro-points div {
  padding: 1rem 1.05rem;
  background: var(--light-grey);
  border-top: 2px solid var(--gold);
}

.about-intro-points strong {
  display: block;
  color: var(--navy);
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.about-intro-points span {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.about-focus-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-focus-copy {
  padding: 2.75rem 2.5rem;
}

.about-focus-copy h2 {
  margin: 0.75rem 0 1rem;
}

.about-focus-copy p + p {
  margin-top: 1rem;
}

.about-focus-media {
  min-height: 360px;
  background: var(--aviation-blue);
  position: relative;
}

.about-focus-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.about-capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.about-capability-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.5rem 1.25rem 1.4rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  min-height: 100%;
}

.about-capability-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.about-capability-num {
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
}

.about-capability-card h3 {
  font-size: 1.02rem;
  color: var(--navy);
}

.about-capability-card p {
  font-size: 0.9rem;
}

.about-approach .section-intro {
  color: rgba(255, 255, 255, 0.78);
}

.about-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.about-step {
  padding: 1.5rem 1.15rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  position: relative;
}

.about-step span {
  display: block;
  color: var(--gold);
  font-weight: 800;
  margin-bottom: 0.85rem;
  letter-spacing: 0.05em;
}

.about-step h3 {
  color: var(--white);
  margin-bottom: 0.45rem;
  font-size: 1.02rem;
}

.about-step p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.about-philosophy {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: stretch;
}

.about-philosophy-copy {
  padding: 0.5rem 0;
}

.about-philosophy-copy h2 {
  margin: 0.75rem 0 1rem;
}

.about-philosophy-copy p + p {
  margin-top: 1rem;
}

.about-philosophy-copy .btn {
  margin-top: 1.5rem;
}

.about-philosophy-aside {
  background: var(--navy);
  color: var(--white);
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.75rem;
  position: relative;
  overflow: hidden;
}

.about-philosophy-aside::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -40px;
  top: -40px;
  border-radius: 50%;
  background: rgba(197, 166, 106, 0.15);
}

.about-philosophy-aside blockquote {
  position: relative;
  z-index: 1;
  font-size: 1.15rem;
  line-height: 1.55;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
}

.about-philosophy-aside .btn {
  position: relative;
  z-index: 1;
  align-self: flex-start;
}

/* Footer */
.site-footer {
  position: relative;
  background:
    radial-gradient(ellipse at 12% 0%, rgba(197, 166, 106, 0.12), transparent 42%),
    linear-gradient(180deg, #0a243f 0%, var(--navy) 48%, #051422 100%);
  color: rgba(255, 255, 255, 0.78);
  padding: 0;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 25%, #E2C98A 50%, var(--gold) 75%, transparent 100%);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(240px, 1.15fr) minmax(0, 1.85fr);
  gap: 3.5rem;
  padding: 4.25rem 0 2.75rem;
  align-items: start;
}

.footer-brand {
  max-width: 26rem;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 1.15rem;
}

.footer-accent {
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin-bottom: 1.15rem;
  border-radius: 2px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 22rem;
}

.footer-cta {
  display: inline-flex;
  margin-top: 1.5rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid rgba(197, 166, 106, 0.55);
  color: var(--gold);
  font-weight: 650;
  font-size: 0.88rem;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.footer-cta:hover {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(197, 166, 106, 0.35);
  border-radius: var(--radius);
  color: var(--gold);
  background: rgba(197, 166, 106, 0.06);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.footer-social a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
  display: block;
  fill: currentColor;
}

.footer-panels {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.75rem;
}

.footer-panel h4 {
  position: relative;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 750;
  margin-bottom: 1.25rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-panel h4::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 0.55rem;
  background: var(--gold);
  border-radius: 2px;
}

.footer-nav {
  display: grid;
  gap: 0.15rem;
}

.footer-nav a {
  position: relative;
  display: inline-block;
  width: fit-content;
  padding: 0.4rem 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.72);
  transition: color var(--transition), transform var(--transition);
}

.footer-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.25rem;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

.footer-nav a:hover {
  color: var(--gold);
  transform: translateX(4px);
}

.footer-nav a:hover::after {
  width: 100%;
}

.footer-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 1.5rem;
}

.footer-services a {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.45rem 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.35;
}

.footer-services a::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.4rem;
  border: 1px solid var(--gold);
  border-radius: 1px;
  transform: rotate(45deg);
  transition: background var(--transition), border-color var(--transition);
}

.footer-services a:hover {
  color: var(--gold);
}

.footer-services a:hover::before {
  background: var(--gold);
  border-color: var(--gold);
}

.footer-contact-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding: 1.5rem 0 2.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  min-width: 0;
}

.footer-contact-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(197, 166, 106, 0.35);
  border-radius: var(--radius);
  color: var(--gold);
  background: rgba(197, 166, 106, 0.06);
  line-height: 0;
  font-size: 0;
  margin: 0;
  padding: 0;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

.footer-contact-icon svg {
  width: 18px;
  height: 18px;
  display: block;
  margin: auto;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-contact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}

.footer-contact-item a,
.footer-contact-item p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 0;
  word-break: break-word;
}

.footer-contact-item a:hover {
  color: var(--gold);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.85rem 1.5rem;
  padding: 1.2rem 0 1.45rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.58);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.35rem;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.65);
  position: relative;
}

.footer-legal a:hover {
  color: var(--gold);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* Responsive */
@media (max-width: 1100px) {
  .services-grid,
  .features-grid,
  .about-capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-list,
  .about-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }

  .footer-panels {
    grid-template-columns: 1fr 1fr;
  }

  .footer-contact-bar {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .about-intro-grid,
  .about-focus-panel,
  .about-philosophy,
  .systems-header {
    grid-template-columns: 1fr;
  }

  .systems-mosaic {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }

  .systems-tile-large {
    grid-row: auto;
    grid-column: 1 / -1;
    min-height: 320px;
  }

  .systems-tile-wide {
    grid-column: 1 / -1;
  }

  .about-intro-frame {
    min-height: 300px;
    clip-path: none;
  }

  .about-intro-copy h2 {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .split,
  .two-col-content,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .split-media {
    min-height: 280px;
  }

  .side-panel {
    position: static;
  }

  .highlights-grid,
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .capability-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .about-intro-points {
    grid-template-columns: 1fr;
  }

  .about-focus-copy {
    padding: 2rem 1.5rem;
  }

  .about-focus-media {
    min-height: 240px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(7, 27, 50, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.5rem;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(197, 166, 106, 0.18);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-link {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* Blog listing */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.article-category {
  color: var(--gold-hover);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.blog-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--aviation-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.blog-card:hover::after {
  transform: scaleX(1);
}

.blog-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--aviation-blue);
  display: block;
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.06);
}

.blog-card-body {
  padding: 1.35rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.55rem;
}

.blog-card h3 a {
  color: var(--navy);
}

.blog-card h3 a:hover {
  color: var(--gold-hover);
}

.blog-card p {
  font-size: 0.92rem;
  flex: 1;
  margin-bottom: 1rem;
}

/* Article detail */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.75rem;
  align-items: start;
}

.article-hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.75rem;
  background: var(--aviation-blue);
  line-height: 0;
}

.article-hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

.article-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 0.85rem;
}

.article-content h3 {
  margin-top: 1.65rem;
  margin-bottom: 0.55rem;
}

.article-content p + p {
  margin-top: 1rem;
}

.article-content figure {
  margin: 1.75rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--light-grey);
}

.article-content figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-content figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.toc {
  background: var(--light-grey);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.15rem;
  margin: 1.75rem 0 2rem;
}

.toc h2 {
  font-size: 1rem;
  margin: 0 0 0.85rem;
}

.toc ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--aviation-blue);
}

.toc li {
  margin-bottom: 0.45rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.toc a:hover {
  color: var(--gold-hover);
}

.article-inline-img {
  margin: 1.75rem 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.article-inline-img img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* FAQ accordion */
.faq-intro {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.faq-category {
  margin-bottom: 2.5rem;
}

.faq-category h2 {
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
}

.accordion {
  display: grid;
  gap: 0.75rem;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--navy);
  font-weight: 700;
  font-size: 0.98rem;
}

.accordion-trigger:hover,
.accordion-item.is-open .accordion-trigger {
  background: var(--light-grey);
}

.accordion-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  position: relative;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform var(--transition), opacity var(--transition);
}

.accordion-icon::before {
  width: 14px;
  height: 2px;
  left: 4px;
  top: 10px;
}

.accordion-icon::after {
  width: 2px;
  height: 14px;
  left: 10px;
  top: 4px;
}

.accordion-item.is-open .accordion-icon::after {
  opacity: 0;
  transform: rotate(90deg);
}

.accordion-panel {
  display: none;
  padding: 0 1.25rem 1.2rem;
}

.accordion-item.is-open .accordion-panel {
  display: block;
}

.accordion-panel p {
  font-size: 0.95rem;
}

@media (max-width: 1100px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1.5rem, var(--max));
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-content,
  .page-hero .hero-content {
    padding-top: 3.5rem;
    padding-bottom: 2.75rem;
  }

  .services-grid,
  .features-grid,
  .highlights-grid,
  .related-grid,
  .process-list,
  .form-grid,
  .blog-grid,
  .about-capability-grid,
  .about-steps,
  .systems-mosaic,
  .footer-panels,
  .footer-services {
    grid-template-columns: 1fr;
  }

  .footer-main {
    padding: 3.25rem 0 2rem;
  }

  .footer-contact-bar {
    padding-bottom: 1.75rem;
  }

  .systems-tile,
  .systems-tile-large,
  .systems-tile-wide {
    grid-column: auto;
    grid-row: auto;
    min-height: 240px;
  }

  .systems-header {
    gap: 1rem;
    align-items: start;
  }

  .systems-header .section-intro {
    max-width: none;
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

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

  .footer-bottom {
    flex-direction: column;
  }

}