/* Cover System — design system */
:root {
  --blue-950: #0a1628;
  --blue-900: #0f2744;
  --blue-800: #163a66;
  --blue-700: #1e4d8c;
  --blue-600: #2563a8;
  --blue-500: #3b7fc4;
  --blue-100: #e8f1fa;
  --blue-50: #f4f8fc;
  --white: #ffffff;
  --ink: #1a2332;
  --ink-muted: #4a5568;
  --border: #c5d4e8;
  --error: #b42318;
  --success: #0d6b3c;
  --focus: #f0c14a;
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;
  --radius: 4px;
  --max: 72rem;
  --header-h: 4.25rem;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
}

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

a {
  color: var(--blue-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--blue-900);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -100%;
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background: var(--blue-900);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-sm);
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.logo-full {
  height: 2.75rem;
  width: auto;
  display: block;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--blue-900);
  cursor: pointer;
}

.nav-toggle-bars {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: 0.45rem 0.65rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--radius);
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0.65rem;
  right: 0.65rem;
  bottom: 0.25rem;
  height: 2px;
  background: var(--blue-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav a[aria-current="page"] {
  color: var(--blue-800);
  font-weight: 600;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-sm) 1rem var(--space-md);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
  }

  .site-nav a {
    padding: 0.75rem 0.5rem;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: min(92vh, 44rem);
  display: flex;
  align-items: flex-end;
  color: var(--white);
  background:
    linear-gradient(160deg, rgba(10, 22, 40, 0.55) 0%, rgba(15, 39, 68, 0.85) 55%, rgba(10, 22, 40, 0.95) 100%),
    url("../assets/images/hero-pattern.svg") center / cover no-repeat,
    linear-gradient(135deg, var(--blue-800), var(--blue-950));
  overflow: hidden;
}

.hero-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: var(--space-2xl) 0 var(--space-xl);
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, 5.25rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 var(--space-md);
  animation: fadeUp 0.8s ease both;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 500;
  max-width: 28ch;
  margin: 0 0 var(--space-sm);
  animation: fadeUp 0.8s ease 0.12s both;
}

.hero-lead {
  max-width: 42ch;
  margin: 0 0 var(--space-lg);
  font-size: 1.1rem;
  opacity: 0.92;
  animation: fadeUp 0.8s ease 0.22s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  animation: fadeUp 0.8s ease 0.32s both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background: var(--white);
  color: var(--blue-900);
}

.btn-primary:hover {
  background: var(--blue-50);
  color: var(--blue-950);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.7);
}

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

.btn-solid {
  background: var(--blue-700);
  color: var(--white);
}

.btn-solid:hover {
  background: var(--blue-800);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--blue-800);
  border-color: var(--blue-700);
}

.btn-outline:hover {
  background: var(--blue-50);
  color: var(--blue-900);
}

/* Page hero (inner pages) */
.page-hero {
  background:
    linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: var(--white);
  padding: var(--space-xl) 0;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-sm);
}

.page-hero p {
  margin: 0;
  opacity: 0.92;
  font-size: 1.1rem;
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

.section-alt {
  background: var(--blue-50);
}

.section-dark {
  background: var(--blue-900);
  color: var(--white);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--blue-900);
  margin: 0 0 var(--space-sm);
}

.section-dark .section-title {
  color: var(--white);
}

.section-lead {
  margin: 0 0 var(--space-lg);
  color: var(--ink-muted);
}

.section-dark .section-lead {
  color: rgba(255, 255, 255, 0.85);
}

/* Feature list / services preview */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--blue-900);
  margin: 0 0 var(--space-xs);
}

.feature-item p {
  margin: 0 0 var(--space-md);
  color: var(--ink-muted);
}

.feature-item .feature-btn {
  margin-top: auto;
}

.feature-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: var(--space-xs);
}

/* Values strip */
.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-lg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-lg) 0;
}

.values h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 var(--space-xs);
  color: var(--blue-900);
}

.values p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--ink-muted);
}

/* Product / partner grids */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.partner-grid,
.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-md);
}

.product-block {
  padding: var(--space-md) 0;
  border-top: 2px solid var(--blue-700);
}

.product-block h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 var(--space-xs);
  color: var(--blue-900);
}

.product-block p {
  margin: 0;
  color: var(--ink-muted);
}

.product-block p + p {
  margin-top: var(--space-sm);
}

.product-block ul {
  margin: var(--space-sm) 0 0;
  padding-left: 1.25rem;
  color: var(--ink-muted);
}

.product-block li {
  margin-bottom: var(--space-xs);
}

.product-block li:last-child {
  margin-bottom: 0;
}

.product-visual {
  aspect-ratio: 16 / 10;
  margin-bottom: var(--space-md);
  background: linear-gradient(145deg, var(--blue-100), var(--blue-50));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-visual img {
  width: 60%;
  opacity: 0.85;
}

.partner-item,
.client-item {
  padding: var(--space-md);
  border: 1px solid var(--border);
  background: var(--white);
  text-align: center;
}

.partner-logo {
  height: 3.5rem;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo img {
  max-height: 3rem;
  width: auto;
}

.partner-feature-logo {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.partner-feature-logo img {
  width: min(100%, 20rem);
  height: auto;
}

.partner-item h3,
.client-item h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
  color: var(--blue-900);
}

.partner-item p,
.client-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

/* Client logo carousel */
.logo-carousel {
  margin-top: var(--space-xl);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.logo-carousel-viewport {
  overflow: hidden;
  border: 1px solid var(--border);
  background: transparent;
}

.logo-carousel-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  transition: transform 0.45s ease;
}

.logo-carousel-slide {
  flex: 0 0 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 12rem;
  padding: var(--space-lg);
}

.logo-carousel-slide img {
  width: min(100%, 14rem);
  height: auto;
  max-height: 10rem;
  object-fit: contain;
}

.logo-carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.logo-carousel-btn {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--blue-900);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.logo-carousel-btn:hover {
  background: var(--blue-50);
  border-color: var(--blue-700);
  color: var(--blue-700);
}

.logo-carousel-btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.logo-carousel-dots {
  display: flex;
  gap: 0.45rem;
  padding: 0 var(--space-sm);
}

.logo-carousel-dot {
  width: 0.55rem;
  height: 0.55rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.logo-carousel-dot[aria-selected="true"] {
  background: var(--blue-700);
  transform: scale(1.2);
}

.logo-carousel-dot:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* Prose / about */
.prose {
  max-width: none;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--blue-900);
  margin: var(--space-lg) 0 var(--space-sm);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  margin: 0 0 var(--space-md);
  color: var(--ink);
}

.prose ul {
  margin: 0 0 var(--space-md);
  padding-left: 1.25rem;
  color: var(--ink);
}

.prose li {
  margin-bottom: var(--space-xs);
}

.cert-logo {
  margin: 0 0 var(--space-md);
  max-width: 7.5rem;
}

.cert-logo img {
  width: 100%;
  height: auto;
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 768px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.aside-panel {
  background: var(--blue-50);
  border-left: 4px solid var(--blue-600);
  padding: var(--space-md);
}

.aside-panel h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 var(--space-sm);
  color: var(--blue-900);
}

.aside-panel ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-muted);
}

.aside-panel li + li {
  margin-top: 0.4rem;
}

/* Contact info */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-details h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--blue-900);
  margin: 0 0 var(--space-md);
}

.contact-details dl {
  margin: 0;
}

.contact-details dt {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-top: var(--space-md);
}

.contact-details dt:first-of-type {
  margin-top: 0;
}

.contact-details dd {
  margin: 0.25rem 0 0;
}

.contact-details a {
  color: var(--blue-800);
  font-weight: 500;
}

/* Forms */
.form {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--white);
  border: 1px solid var(--border);
}

.form-row {
  display: grid;
  gap: 0.35rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 560px) {
  .form-row-2 {
    grid-template-columns: 1fr;
  }
}

.form label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue-900);
}

.form .hint {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin: 0;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.form input:focus-visible,
.form select:focus-visible,
.form textarea:focus-visible {
  border-color: var(--blue-600);
}

.form input[aria-invalid="true"],
.form select[aria-invalid="true"],
.form textarea[aria-invalid="true"] {
  border-color: var(--error);
}

.field-error {
  font-size: 0.85rem;
  color: var(--error);
  margin: 0;
  min-height: 1.2em;
}

.form-status {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 500;
}

.form-status[hidden] {
  display: none;
}

.form-status.is-success {
  background: #e6f5ec;
  color: var(--success);
  border: 1px solid #9dceb0;
}

.form-status.is-error {
  background: #fceceb;
  color: var(--error);
  border: 1px solid #e8b4b0;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.required-mark {
  color: var(--error);
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: var(--space-xl) 0;
}

.cta-band .section-title {
  margin-bottom: var(--space-sm);
}

.cta-band .section-lead {
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* Footer */
.site-footer {
  background: var(--blue-950);
  color: rgba(255, 255, 255, 0.88);
  padding: var(--space-xl) 0 var(--space-lg);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

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

.site-footer h2 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 var(--space-sm);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 var(--space-sm);
}

.footer-cert {
  display: inline-block;
  margin-top: var(--space-md);
  line-height: 0;
}

.footer-cert img {
  display: block;
  width: 4.5rem;
  height: auto;
  background: var(--white);
  border-radius: 0.25rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
}

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

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  gap: 2rem;
}

.footer-nav li {
  margin-bottom: 0.4rem;
}

.footer-nav a {
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-md);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-legal p {
  margin: 0 0 0.35rem;
}

.address {
  font-style: normal;
  line-height: 1.7;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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