:root {
  --navy: #002b5b;
  --blue: #0077ff;
  --text: #1f2937;
  --muted: #5f6b7a;
  --bg: #f7f9fc;
  --border: #dce4ef;
  --success: #1f7a3a;
  --error: #b42318;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 1000;
  border-radius: 0 0 0.5rem 0;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(6px);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.2vw, 1.9rem);
  flex-shrink: 0;
}

.logo img {
  height: 50px;
  width: auto;
  border-radius: 0;
  object-fit: contain;
}

.logo-text {
  color: var(--navy);
}

.logo-accent {
  color: var(--blue);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--bg);
  color: var(--blue);
  outline: none;
}

.hero {
  padding: 6rem 0 4.5rem;
  background: linear-gradient(90deg, rgba(0, 43, 91, 0.92), rgba(0, 43, 91, 0.78)), url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3") center/cover;
  color: var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 1.5rem;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.9rem 1.35rem;
  font-weight: 600;
  border: 2px solid transparent;
  transition: transform 180ms ease, background-color 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

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

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

.hero-card {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 1.2rem;
  padding: 1.4rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.35rem;
}

.hero-card ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 2rem;
}

.section-title h2 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--navy);
}

.section-title p {
  margin: 0 auto;
  max-width: 680px;
  color: var(--muted);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.certification-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--bg);
}

.certification-badge img {
  width: 110px;
  height: 110px;
  flex: 0 0 110px;
  object-fit: contain;
}

.certification-badge p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.certification-badge strong {
  color: var(--navy);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--navy);
}

.card p {
  margin: 0;
  color: var(--muted);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.2rem;
}

.brand-card {
  display: grid;
  gap: 0.8rem;
  align-content: start;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.brand-card img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: contain;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 0.6rem;
}

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

.item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.item-content {
  padding: 1rem 1.1rem 1.2rem;
}

.item-content h3 {
  margin: 0 0 0.4rem;
  color: var(--navy);
}

.item-content p {
  margin: 0;
  color: var(--muted);
}

.cta {
  background: linear-gradient(135deg, var(--navy), #113d6d);
  color: var(--white);
  border-radius: 1.2rem;
  padding: 2.2rem;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.field {
  color: white;
  display: grid;
  gap: 0.4rem;
}

label {
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.9rem 1rem;
  font: inherit;
  color: var(--text);
  background: var(--white);
}

input:focus-visible,
textarea:focus-visible,
.btn:focus-visible,
.nav-links a:focus-visible,
.logo:focus-visible {
  outline: 3px solid rgba(0, 119, 255, 0.25);
  outline-offset: 2px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.status {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 0.8rem;
  display: none;
  font-weight: 500;
}

.status.success {
  display: block;
  background: #eaf7ed;
  color: var(--success);
}

.status.error {
  display: block;
  background: #fde8e8;
  color: var(--error);
}

.footer {
  background: #00152d;
  color: var(--white);
  padding: 2rem 0;
  text-align: center;
}

.footer p {
  margin: 0.35rem 0;
  color: rgba(255, 255, 255, 0.86);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .hero-grid,
  .two-column,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .gallery-grid,
  .brand-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 0.3rem;
  }

  .hero {
    padding: 5rem 0 3.5rem;
  }

  .card-grid,
  .gallery-grid,
  .brand-grid {
    grid-template-columns: 1fr;
  }

  .cta {
    padding: 1.6rem;
  }
}

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

  *, *::before, *::after {
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}