/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #333; line-height: 1.6; background: #fff;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== COLORS ===== */
:root {
  --aqua: #00a8cc;
  --aqua-dark: #008fad;
  --aqua-light: #e0f7fa;
  --dark: #1a2332;
  --gray: #5a6a7a;
  --light-gray: #f4f7f9;
}

/* ===== NAV ===== */
.navbar {
  background: var(--dark);
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.nav-logo {
  font-size: 1.4rem; font-weight: 700; color: #fff;
  padding: 1rem 0;
}
.nav-logo span { color: var(--aqua); }
.nav-links { list-style: none; display: flex; gap: .5rem; }
.nav-links a {
  color: #cdd6e0; padding: .6rem 1rem; border-radius: 6px;
  font-size: .95rem; font-weight: 500; transition: .2s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(0,168,204,.25); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 85vh;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(26,35,50,.65) 0%, rgba(26,35,50,.45) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 800px; padding: 2rem; }
.hero h1 { font-size: 2.8rem; color: #fff; margin-bottom: 1rem; line-height: 1.2; }
.hero h1 span { color: var(--aqua); }
.hero p { font-size: 1.15rem; color: #d0dbe6; margin-bottom: 2rem; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block; padding: .85rem 2rem; border-radius: 50px;
  font-weight: 600; font-size: 1rem; transition: .25s; cursor: pointer; border: none;
}
.btn-primary { background: var(--aqua); color: #fff; }
.btn-primary:hover { background: var(--aqua-dark); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0,168,204,.4); }
.btn-outline { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-outline:hover { background: #fff; color: var(--dark); }

/* ===== SECTIONS ===== */
.section { padding: 5rem 2rem; }
.section-title {
  text-align: center; font-size: 2rem; color: var(--dark); margin-bottom: .5rem;
}
.section-subtitle {
  text-align: center; color: var(--gray); font-size: 1.05rem; margin-bottom: 3rem; max-width: 650px; margin-inline: auto;
}
.container { max-width: 1140px; margin: 0 auto; }

/* ===== INTRO ===== */
.intro { background: var(--light-gray); }
.intro-inner { max-width: 820px; margin: 0 auto; text-align: center; }
.intro-inner h2 { font-size: 1.8rem; color: var(--dark); margin-bottom: 1rem; }
.intro-inner p { color: var(--gray); font-size: 1.05rem; margin-bottom: 1rem; }
.intro-inner a { color: var(--aqua); font-weight: 600; }

/* ===== SERVICE CARDS ===== */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.card {
  background: #fff; border-radius: 16px; overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.08); transition: .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 8px 30px rgba(0,0,0,.14); }
.card img { width: 100%; height: 240px; object-fit: cover; }
.card-body { padding: 1.5rem; }
.card-body h3 { font-size: 1.25rem; color: var(--dark); margin-bottom: .5rem; }
.card-body p { color: var(--gray); font-size: .95rem; }

/* ===== CTA FOOTER ===== */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, #263545 100%);
  text-align: center; padding: 4rem 2rem; color: #fff;
}
.cta-section h2 { font-size: 2rem; margin-bottom: .75rem; }
.cta-section p { color: #a8bdd0; margin-bottom: 2rem; font-size: 1.05rem; }

/* ===== FOOTER ===== */
.footer {
  background: #111b27; color: #8899aa; text-align: center;
  padding: 1.5rem 2rem; font-size: .85rem;
}

/* ===== SERVICES PAGE ===== */
.service-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  align-items: center; margin-bottom: 4rem;
}
.service-block:nth-child(even) .service-img { order: 2; }
.service-block:nth-child(even) .service-text { order: 1; }
.service-img img { border-radius: 16px; width: 100%; height: 350px; object-fit: cover; }
.service-text h2 { font-size: 1.8rem; color: var(--dark); margin-bottom: 1rem; }
.service-text p { color: var(--gray); font-size: 1rem; margin-bottom: 1rem; }

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 3rem;
}
.contact-form { background: #fff; padding: 2.5rem; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.contact-form h2 { font-size: 1.6rem; color: var(--dark); margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: .35rem; color: var(--dark); font-size: .9rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: .75rem 1rem; border: 1.5px solid #d0d8e0;
  border-radius: 10px; font-size: .95rem; font-family: inherit; transition: .2s;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--aqua); box-shadow: 0 0 0 3px rgba(0,168,204,.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: .75rem; }
.checkbox-group label {
  display: flex; align-items: center; gap: .4rem; font-weight: 400;
  background: var(--light-gray); padding: .5rem 1rem; border-radius: 8px;
  cursor: pointer; font-size: .9rem; transition: .2s;
}
.checkbox-group label:hover { background: var(--aqua-light); }
.checkbox-group input[type="checkbox"] { accent-color: var(--aqua); width: 16px; height: 16px; }
.btn-submit {
  background: var(--aqua); color: #fff; border: none; padding: .9rem 2.5rem;
  border-radius: 50px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: .25s;
}
.btn-submit:hover { background: var(--aqua-dark); transform: translateY(-2px); }
.contact-info { padding-top: 1rem; }
.contact-info h2 { font-size: 1.6rem; color: var(--dark); margin-bottom: 1.5rem; }
.info-item { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.5rem; }
.info-icon {
  width: 48px; height: 48px; background: var(--aqua-light); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-size: 1.2rem; color: var(--aqua);
}
.info-item h4 { color: var(--dark); margin-bottom: .2rem; }
.info-item p { color: var(--gray); font-size: .95rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark); padding: 1rem 2rem; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .service-block { grid-template-columns: 1fr; }
  .service-block:nth-child(even) .service-img { order: 0; }
  .service-block:nth-child(even) .service-text { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
}


/* ===== NAV LOGO IMAGE ===== */
.nav-logo-img {
  max-height: 60px;
  width: auto;
  display: block;
}

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
  transition: transform .3s, box-shadow .3s;
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

/* ===== ABOUT PAGE ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about-text h2 {
  font-size: 1.8rem;
  color: var(--dark);
  margin-bottom: 1rem;
}
.about-text h3 {
  font-size: 1.3rem;
  color: var(--aqua-dark);
  margin: 2rem 0 .8rem;
}
.about-text p {
  color: var(--gray);
  margin-bottom: 1rem;
  line-height: 1.7;
}
.about-services-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}
.about-services-list li {
  padding: .6rem 0 .6rem 1.5rem;
  position: relative;
  color: var(--gray);
  line-height: 1.6;
}
.about-services-list li::before {
  content: '\2713';
  color: var(--aqua);
  font-weight: 700;
  position: absolute;
  left: 0;
}
.text-link {
  color: var(--aqua);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(0,168,204,.3);
  transition: .2s;
}
.text-link:hover {
  color: var(--aqua-dark);
  text-decoration-color: var(--aqua-dark);
}
.about-images {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.about-img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
  object-fit: cover;
  max-height: 280px;
}

/* ===== RESPONSIVE ADDITIONS ===== */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-images {
    order: -1;
  }
}