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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f5f7;
  color: #1d1d1f;
  line-height: 1.6;
}

.header {
  width: 100%;
  position: fixed;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
  transition: 0.3s ease;
}

.header.scrolled {
  background: rgba(0, 31, 63, 0.95);
}

.navbar {
  width: 90%;
  margin: auto;
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: white;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: bold;
}

.logo img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.nav-links a {
  color: white;
  text-decoration: none;
  margin-left: 24px;
  font-size: 15px;
  font-weight: 600;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 28px;
}

.hero {
  min-height: 100vh;
  background: url("../img/hero.jpg") center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  color: white;
  padding: 0 8%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0,0,0,.65), rgba(0,0,0,.35));
}

.hero-content {
  position: relative;
  max-width: 900px;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 88px);
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero p {
  font-size: clamp(18px, 3vw, 28px);
  margin-bottom: 35px;
}

.btn-primary {
  background: white;
  color: #001f3f;
  padding: 15px 30px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  transition: 0.3s ease;
}

.btn-primary:hover {
  transform: scale(1.05);
}

.statement {
  min-height: 55vh;
  background: #000;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 22px;
  text-align: center;
  padding: 80px 8%;
}

.statement h2 {
  font-size: clamp(40px, 7vw, 90px);
}

.statement p {
  font-size: 22px;
  max-width: 850px;
  opacity: .85;
}

.section {
  padding: 100px 8%;
}

.section h2,
.gallery h2,
.testimonials h2 {
  text-align: center;
  font-size: clamp(34px, 5vw, 64px);
  margin-bottom: 35px;
  color: #001f3f;
}

.section-text {
  max-width: 950px;
  margin: auto;
  text-align: center;
}

.section-text p {
  font-size: 21px;
  margin-bottom: 20px;
}

.dark {
  background: #001f3f;
  color: white;
}

.dark h2 {
  color: white;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.pillar-card {
  background: white;
  color: #1d1d1f;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,.25);
  transition: .3s ease;
}

.pillar-card:hover {
  transform: translateY(-10px);
}

.pillar-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.pillar-card div {
  padding: 28px;
}

.pillar-card h3 {
  color: #001f3f;
  font-size: 28px;
  margin-bottom: 12px;
}

.gallery {
  padding: 100px 4%;
  background: #f5f5f7;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 320px;
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 18px 35px rgba(0,0,0,.15);
}

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

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item span {
  position: absolute;
  left: 28px;
  bottom: 28px;
  color: white;
  font-size: 30px;
  font-weight: bold;
  text-shadow: 0 4px 12px rgba(0,0,0,.6);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 35px;
}

.benefit-grid div {
  background: white;
  border-radius: 22px;
  padding: 35px;
  text-align: center;
  font-size: 22px;
  font-weight: bold;
  box-shadow: 0 12px 28px rgba(0,0,0,.08);
}

.center-text {
  max-width: 850px;
  margin: auto;
  text-align: center;
  font-size: 20px;
}

.subzones {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-top: 35px;
}

.subzones span {
  border: 1px solid rgba(255,255,255,.4);
  padding: 14px 22px;
  border-radius: 40px;
}

.testimonials {
  background: #000;
  color: white;
  padding: 100px 8%;
}

.testimonials h2 {
  color: white;
}

.quote {
  max-width: 900px;
  margin: 25px auto;
  padding: 35px;
  border-radius: 28px;
  background: rgba(255,255,255,.08);
  text-align: center;
  font-size: 28px;
  font-weight: bold;
}

.form {
  max-width: 750px;
  margin: 40px auto 0;
  background: white;
  padding: 38px;
  border-radius: 28px;
  box-shadow: 0 18px 40px rgba(0,0,0,.12);
}

.form label {
  display: block;
  margin-top: 16px;
  font-weight: bold;
  color: #001f3f;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 15px;
  margin-top: 8px;
  border: 1px solid #ccc;
  border-radius: 14px;
  font-size: 16px;
}

.form button {
  width: 100%;
  margin-top: 28px;
  padding: 16px;
  border: none;
  border-radius: 40px;
  background: #001f3f;
  color: white;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
}

.footer {
  background: #001020;
  color: white;
  text-align: center;
  padding: 50px 8%;
}

.footer h3 {
  font-size: 28px;
  margin-bottom: 10px;
}

.socials {
  margin-top: 25px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
}

.socials a {
  color: white;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.4);
  padding: 12px 20px;
  border-radius: 30px;
}

@media (max-width: 950px) {
  .pillars,
  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 330px;
  }

  .gallery-item.large,
  .gallery-item.wide {
    grid-column: span 1;
    grid-row: span 1;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    width: 100%;
    background: rgba(0, 31, 63, .98);
    padding: 20px;
    position: absolute;
    top: 72px;
    left: 0;
    text-align: center;
  }

  .nav-links.active {
    display: block;
  }

  .nav-links a {
    display: block;
    margin: 16px 0;
  }
}

@media (max-width: 600px) {
  .navbar {
    width: 92%;
  }

  .section,
  .gallery,
  .testimonials {
    padding: 75px 6%;
  }

  .form {
    padding: 25px;
  }

  .pillar-card img {
    height: 250px;
  }

  .quote {
    font-size: 22px;
  }
}