:root{
  --sea-900:#0b5f66;
  --sea-700:#0f7f88;
  --sea-600:#1a98a3;
  --sea-200:#cfeff1;
  --sea-100:#eaf7f8;

  --text:#0e1b1d;
  --muted:#4b6064;
  --bg:#ffffff;
  --card:#ffffff;
  --border: rgba(15, 127, 136, 0.14);

  --shadow: 0 12px 30px rgba(13, 57, 62, 0.10);
  --radius: 18px;

  --max: 1160px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background: linear-gradient(180deg, #ffffff 0%, var(--sea-100) 100%);
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--sea-700);
  color:#fff;
  font-weight: 700;
  border:0;
  cursor:pointer;
  box-shadow: 0 10px 22px rgba(15,127,136,0.18);
}
.btn:hover{ background: var(--sea-900); }

.badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(26,152,163,0.10);
  color: var(--sea-900);
  font-weight: 700;
  border:1px solid var(--border);
}

h1,h2,h3{ margin:0; letter-spacing:-0.02em; }
p{ margin:0; line-height:1.6; color: var(--muted); }

.header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.header.scrolled{
  background: rgba(11,95,102,0.96);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.header.scrolled .nav-link,
.header.scrolled .brand,
.header.scrolled .brand small{
  color:#fff;
}
.header.scrolled .nav-link:hover{
  color: rgba(255,255,255,0.9);
}
.header.scrolled .nav-link.active{
  color:#fff;
  opacity:1;
}
.header.scrolled .btn-ghost{
  color:#fff;
  border-color: rgba(255,255,255,0.25);
}
.header.scrolled .btn-ghost:hover{
  border-color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.10);
}
.header.scrolled .dropdown{
  background: rgba(255,255,255,0.98);
}
.header.scrolled .dropdown a{ color: var(--text); }

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  height: 74px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 900;
  color: var(--sea-900);
  white-space:nowrap;
}
.brand small{
  display:block;
  font-weight: 600;
  color: var(--muted);
  margin-top:2px;
  font-size: 12px;
}

.brand-mark{
  width: 34px;
  height: 34px;
  display:grid;
  place-items:center;
  border-radius: 12px;
  background: rgba(26,152,163,0.10);
  border: 1px solid var(--border);
}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 999px;
  background: transparent;
  color: var(--sea-900);
  font-weight: 800;
  border: 1px solid rgba(15,127,136,0.22);
  cursor:pointer;
}

.menu{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 24px;
  flex: 1;
  min-width: 200px;
}

.nav-item{ position:relative; }
.nav-link{
  font-weight: 800;
  color: var(--text);
  opacity: 0.92;
  padding: 10px 0;
}
.nav-link:hover{ opacity:1; color: var(--sea-900); }
.nav-link.active{ color: var(--sea-900); opacity:1; }

.dropdown{
  position:absolute;
  top: 44px;
  left: 50%;
  transform: translateX(-50%);
  min-width: 260px;
  background: rgba(255,255,255,0.98);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 10px;
  display:none;
}
.dropdown a{
  display:block;
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 700;
  color: var(--text);
}
.dropdown a:hover{
  background: rgba(26,152,163,0.10);
  color: var(--sea-900);
}

.nav-item:hover .dropdown{ display:block; }

.hero{
  padding: 44px 0 34px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 30px;
  align-items:center;
  padding: 26px;
  border-radius: calc(var(--radius) + 6px);
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: var(--shadow);
}

.hero h1{
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
}
.hero p{
  font-size: 16px;
  margin-top: 14px;
  max-width: 54ch;
}
.hero-actions{
  display:flex;
  gap: 12px;
  align-items:center;
  margin-top: 18px;
  flex-wrap:wrap;
}
.hero-cards{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.hero-image{
  border-radius: 22px;
  overflow:hidden;
  border: 1px solid rgba(15,127,136,0.20);
  background: #fff;
  box-shadow: 0 14px 34px rgba(13, 57, 62, 0.12);
}
.hero-image .img{
  width:100%;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(135deg, rgba(26,152,163,0.18), rgba(11,95,102,0.08)),
    url("https://images.unsplash.com/photo-1580281657527-47f249e8f870?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
}

.quick{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.card{
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(15,127,136,0.14);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 10px 22px rgba(13,57,62,0.06);
}
.card h3{ font-size: 16px; }
.card p{ font-size: 14px; margin-top: 6px; }

.section{
  padding: 44px 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.section-head h2{
  font-size: 28px;
}
.section-sub{
  max-width: 62ch;
  color: var(--muted);
}

.about-grid{
  display:grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
  align-items:stretch;
}
.about-media{
  border-radius: var(--radius);
  border: 1px solid rgba(15,127,136,0.18);
  overflow:hidden;
  background: #fff;
  box-shadow: var(--shadow);
}
.about-media .img{
  width:100%;
  height:100%;
  min-height: 320px;
  background:
    linear-gradient(135deg, rgba(26,152,163,0.16), rgba(11,95,102,0.08)),
    url("https://images.unsplash.com/photo-1585421514738-01798e348b17?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
}

.steps{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.step{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(15,127,136,0.14);
  background: rgba(255,255,255,0.86);
}
.step .num{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(26,152,163,0.12);
  border: 1px solid rgba(15,127,136,0.18);
  display:grid;
  place-items:center;
  font-weight: 900;
  color: var(--sea-900);
}
.step h3{ font-size: 16px; }
.step p{ font-size: 14px; margin-top: 4px; }

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.service{
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(15,127,136,0.14);
  background: rgba(255,255,255,0.86);
  box-shadow: 0 10px 22px rgba(13,57,62,0.06);
}
.service h3{ font-size: 17px; }
.service p{ font-size: 14px; margin-top: 6px; }
.service .meta{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  margin-top: 10px;
}
.pill{
  font-size: 12px;
  font-weight: 800;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(26,152,163,0.10);
  border: 1px solid rgba(15,127,136,0.16);
  color: var(--sea-900);
}

.page-hero{
  padding: 26px 0 18px;
}
.page-hero-inner{
  padding: 22px;
  border-radius: calc(var(--radius) + 6px);
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: var(--shadow);
}
.page-hero-inner h1{
  font-size: 34px;
}
.page-hero-inner p{
  margin-top: 10px;
  max-width: 70ch;
}

.media-split{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
  align-items:stretch;
}
.media{
  border-radius: var(--radius);
  border: 1px solid rgba(15,127,136,0.18);
  overflow:hidden;
  background:#fff;
  box-shadow: var(--shadow);
}
.media .img{
  width:100%;
  min-height: 340px;
  background-size: cover;
  background-position:center;
  background-repeat:no-repeat;
}

.list{
  display:grid;
  gap: 10px;
  margin-top: 12px;
}
.list .item{
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(15,127,136,0.14);
  background: rgba(255,255,255,0.86);
}
.list .item strong{ color: var(--sea-900); }

.contact-box{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact-card{
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(15,127,136,0.14);
  background: rgba(255,255,255,0.86);
  box-shadow: 0 10px 22px rgba(13,57,62,0.06);
}
.socials{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  margin-top: 10px;
}
.icon-btn{
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(15,127,136,0.18);
  background: rgba(26,152,163,0.08);
  display:grid;
  place-items:center;
}
.icon-btn:hover{
  background: rgba(26,152,163,0.14);
}

.footer{
  padding: 26px 0 40px;
  color: rgba(255,255,255,0.86);
  background: linear-gradient(180deg, rgba(11,95,102,0.0) 0%, rgba(11,95,102,0.92) 90%);
}
.footer-inner{
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:wrap;
}
.footer a{ color:#fff; opacity:0.95; }
.footer a:hover{ opacity:1; }

@media (max-width: 980px){
  .hero-grid, .about-grid, .media-split{
    grid-template-columns: 1fr;
  }
  .quick{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .menu{ gap: 16px; }
}

@media (max-width: 720px){
  .menu{ display:none; }
  .nav{
    justify-content:space-between;
  }
  .contact-box{ grid-template-columns: 1fr; }
}