/* ============================================
   Atlas Holding — Design tokens
   ============================================ */
:root {
  --navy: #0B2545;
  --navy-2: #13315C;
  --accent-bg: #EEF2F7;
  --white: #FFFFFF;
  --text: #1A1A2E;
  --text-on-navy: #FFFFFF;
  --border: #DCE3ED;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(11, 37, 69, 0.08);
  --transition: 0.2s ease;
  --max-width: 1160px;
  --font-heading: "Fraunces", Georgia, serif;
  --font-body: "Work Sans", "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--navy);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

a {
  color: var(--navy);
  text-decoration: none;
  transition: color var(--transition);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--navy-2);
  outline-offset: 2px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover { background: var(--navy-2); border-color: var(--navy-2); color: var(--white); }

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-secondary:hover { background: var(--navy); color: var(--white); }

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

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
}

.logo svg { width: 40px; height: 40px; flex-shrink: 0; }

.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text .logo-main {
  font-family: var(--font-heading);
  font-weight: 600;
  font-style: italic;
  font-size: 1.4rem;
  letter-spacing: 0.03em;
  color: var(--navy);
}
.logo-text .logo-sub {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--navy-2);
  margin-top: 3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--navy); }
.main-nav a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--navy);
  font-weight: 600;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.lang-toggle button {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 50%;
  overflow: hidden;
  background: none;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity var(--transition), border-color var(--transition), transform var(--transition);
}
.lang-toggle button svg {
  width: 100%;
  height: 100%;
  display: block;
}
.lang-toggle button:hover { opacity: 0.85; transform: translateY(-1px); }
.lang-toggle button.active {
  opacity: 1;
  border-color: var(--navy);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--navy);
}
.menu-toggle svg { width: 26px; height: 26px; }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--navy);
  color: var(--text-on-navy);
  padding: 48px 0 28px;
  margin-top: 80px;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-footer .logo { color: var(--white); }
.site-footer .logo-text .logo-main,
.site-footer .logo-text .logo-sub { color: var(--white); }
.footer-info {
  font-size: 0.9rem;
  color: #C9D6E8;
  text-align: right;
}
.footer-info a { color: var(--white); }
.footer-info a:hover { color: #C9D6E8; }
.footer-bottom {
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  color: #8CA0BE;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.footer-bottom a {
  color: #4DA3FF;
  text-decoration: underline;
}
.footer-bottom a:hover {
  color: #7DBBFF;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: 88px 0 96px;
}
.hero .container {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.hero-content p {
  font-size: 1.1rem;
  color: #3A3A55;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 28px;
}

/* ============================================
   Highlight cards
   ============================================ */
.highlights {
  padding: 64px 0;
  background: var(--accent-bg);
}
.highlights .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card svg { width: 36px; height: 36px; color: var(--navy); margin-bottom: 18px; }
.card h3 { margin-bottom: 10px; }
.card p { color: #3A3A55; font-size: 0.98rem; margin: 0; }

/* ============================================
   Page header (inner pages)
   ============================================ */
.page-hero {
  padding: 56px 0 24px;
}
.page-hero .eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-2);
}
.page-hero p.lead {
  font-size: 1.1rem;
  color: #3A3A55;
  max-width: 65ch;
}

/* ============================================
   Services page — alternating rows
   ============================================ */
.service-row {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}
.service-row .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.service-row.reverse .container { direction: rtl; }
.service-row.reverse .container > * { direction: ltr; }
.service-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy-2) 0%, var(--navy) 100%);
}
.service-image img { width: 100%; height: 100%; object-fit: cover; }
.service-content p { color: #3A3A55; }

.cta-block {
  text-align: center;
  padding: 64px 0 80px;
}
.cta-block p { max-width: 50ch; margin: 0 auto 24px; color: #3A3A55; }

/* ============================================
   About teaser (home page)
   ============================================ */
.about-teaser {
  padding: 24px 0 72px;
}
.about-teaser .intro {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.about-teaser p {
  font-size: 1.08rem;
  color: #3A3A55;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 16px 0 0;
}
.stat {
  background: var(--accent-bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.stat .stat-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--navy);
  display: block;
  margin-bottom: 6px;
}
.stat p { margin: 0; font-size: 0.92rem; color: #3A3A55; }

/* ============================================
   Contact page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  padding: 24px 0 80px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 18px;
}
.form-field { display: grid; gap: 6px; }
.form-field label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
}
.form-field input,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-field input:focus,
.form-field textarea:focus { border-color: var(--navy); }
.form-field input.invalid,
.form-field textarea.invalid { border-color: #C0392B; }

.field-error {
  display: none;
  color: #C0392B;
  font-size: 0.85rem;
}
.field-error.visible { display: block; }

.form-status {
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--accent-bg);
  color: var(--navy);
  font-weight: 500;
  display: none;
}
.form-status.visible { display: block; }
.form-status-error { background: #FBEAEA; color: #C0392B; }

.contact-cards {
  display: grid;
  gap: 20px;
}
.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.contact-card h3 { margin-bottom: 4px; }
.contact-card .role { color: var(--navy-2); font-size: 0.88rem; margin-bottom: 14px; display: block; font-weight: 500; }
.contact-card .contact-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  margin-bottom: 6px;
}
.contact-card svg { width: 18px; height: 18px; color: var(--navy); flex-shrink: 0; }

.contact-note {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.95rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .contact-grid,
  .service-row .container {
    grid-template-columns: 1fr;
  }
  .service-row.reverse .container { direction: ltr; }
  .highlights .container { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .main-nav ul li { border-bottom: 1px solid var(--border); }
  .main-nav a { display: block; padding: 14px 0; border-bottom: none; }
  .main-nav .lang-toggle { margin: 14px 0 4px; align-self: flex-start; }
  .menu-toggle { display: block; }
  .site-footer .container { flex-direction: column; text-align: center; }
  .footer-info { text-align: center; }
}

@media (max-width: 640px) {
  .hero { padding: 36px 0 44px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .highlights { padding: 40px 0; }
  .about-teaser { padding: 4px 0 48px; }
  .cta-block { padding: 48px 0 56px; }
  .page-hero { padding: 36px 0 16px; }
  .contact-grid { padding: 4px 0 56px; }
  .service-row { padding: 40px 0; }
}

@media (max-width: 360px) {
  .container { padding: 0 16px; }
}