/* ===== Base ===== */
:root {
  --color-primary: #0f3d63;
  --color-primary-dark: #0a2c48;
  --color-accent: #f2994a;
  --color-accent-dark: #d97f31;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-text: #22303f;
  --color-text-muted: #5a6b7b;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(15, 61, 99, 0.1);
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-header h2 {
  font-size: 2.2rem;
  margin: 0 0 14px;
  color: var(--color-primary-dark);
}

.section-header p {
  color: var(--color-text-muted);
  margin: 0;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: #fff;
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 12px rgba(15, 61, 99, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary-dark);
}

.logo .logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
}

.main-nav ul {
  display: flex;
  gap: 30px;
}

.main-nav a {
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
  position: relative;
}

.main-nav a:hover {
  color: var(--color-accent-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switch {
  display: flex;
  border: 1px solid #d7dee6;
  border-radius: 999px;
  overflow: hidden;
  font-size: 0.85rem;
  font-weight: 600;
}

.lang-switch a {
  padding: 7px 14px;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.lang-switch a.active {
  background: var(--color-primary);
  color: #fff;
}

.nav-toggle {
  display: none;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  color: #fff;
  background: linear-gradient(120deg, rgba(10, 30, 50, 0.82), rgba(15, 61, 99, 0.68)),
    url('https://images.unsplash.com/photo-1553413077-190083ec01ff?auto=format&fit=crop&w=1600&q=80')
      center/cover no-repeat;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin: 0 0 22px;
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 34px;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-size: 2rem;
  color: var(--color-accent);
}

.hero-stats div span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-images {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
}

.about-images img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  height: 100%;
  object-fit: cover;
}

.about-images .tall {
  grid-row: span 2;
  height: 100%;
}

.about-text h2 {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}

.info-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 14px 16px;
  border-left: 3px solid var(--color-accent);
}

.info-card span {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.info-card strong {
  color: var(--color-primary-dark);
  font-size: 0.95rem;
}

/* ===== Categories ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 240px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-6px);
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.category-card:hover img {
  transform: scale(1.08);
}

.category-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 61, 99, 0) 40%, rgba(10, 30, 50, 0.85) 100%);
  display: flex;
  align-items: flex-end;
  padding: 18px;
}

.category-card h3 {
  color: #fff;
  font-size: 1.05rem;
  margin: 0;
}

/* ===== Advantages ===== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.advantage-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.advantage-card:hover {
  transform: translateY(-6px);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: #fff;
}

.advantage-card h3 {
  margin: 0 0 10px;
  color: var(--color-primary-dark);
  font-size: 1.15rem;
}

.advantage-card p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 160px;
  gap: 16px;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  transition: var(--transition);
}

.gallery-grid img:hover {
  opacity: 0.88;
}

.gallery-grid .span-2 {
  grid-column: span 2;
  grid-row: span 2;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 26px;
}

.contact-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.contact-list .icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-list strong {
  display: block;
  color: var(--color-primary-dark);
  font-size: 0.9rem;
}

.contact-list span {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.contact-form {
  background: var(--color-bg-alt);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d7dee6;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.contact-form .btn-primary {
  width: 100%;
  border: none;
  font-size: 1rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 50px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 34px;
}

.footer-grid h4 {
  color: #fff;
  margin: 0 0 16px;
  font-size: 1rem;
}

.footer-grid p,
.footer-grid li {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 720px) {
  .main-nav {
    display: none;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .category-grid,
  .advantage-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-stats {
    gap: 24px;
  }
}