:root {
  --bg: #0c1018;
  --surface: #101725;
  --card: #131c2e;
  --text: #e9eef6;
  --muted: #9fb0c6;
  --accent: #23ffd4;
  --accent-2: #21c9ff;
  --header-h: 80px;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 700px at 20% -10%, rgba(33,201,255,.08), transparent 60%),
              radial-gradient(1000px 600px at 120% 20%, rgba(35,255,212,.08), transparent 60%),
              var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(16, 23, 37, .65);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  letter-spacing: 1.5px;
  font-size: 1.45rem;
  color: var(--accent);
  text-shadow: 0 4px 20px rgba(35,255,212,.25);
}

nav { display: flex; gap: 1.2rem; align-items: center; }
nav a {
  color: var(--text);
  padding: .4rem .2rem;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .2s ease;
  font-weight: 600;
  opacity: .9;
}
nav a:hover { color: white; }
nav a.active { color: var(--accent); border-color: var(--accent); }

header { position: sticky; top: 0; z-index: 100; } /* ensure menu overlays content */

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; border: 0; background: transparent; }
.hamburger span { width: 28px; height: 3px; background: #fff; border-radius: 2px; }

@media (max-width: 900px) {
  /* Mobile panel */
  nav {
    display: none;
    position: absolute;
    right: 4vw;
    top: calc(var(--header-h) + 8px);
    background: rgba(16, 23, 37, .98);
    border: 1px solid rgba(255,255,255,.08);
    padding: 0.6rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    flex-direction: column;
    gap: .2rem;
    z-index: 200; /* above everything */
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  nav.open {
    display: flex;
    max-height: 70vh; /* enables the slide-down feel */
  }

  nav a { padding: .6rem .8rem; border-radius: 8px; }
  nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; }

  .hamburger { display: flex; z-index: 210; }
}


/* Hero */
.hero {
  position: relative; overflow: hidden;
  min-height: 62vh;
  display: grid; place-items: center; text-align: center;
  background: url('../images/hero.jpg') center/cover no-repeat;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(16,23,37,.68) 0%, rgba(16,23,37,.85) 60%, rgba(16,23,37,.95) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 8vh 0; width: min(900px, 92vw); }
.hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 4rem);
  margin: 0 0 .6rem 0;
  color: var(--accent);
}
.hero p { margin: 0 auto 1.2rem; font-size: clamp(1rem, 2.6vw, 1.25rem); color: var(--muted); }

.button, .btn {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #0c1018; font-weight: 800; letter-spacing: .4px;
  padding: .9rem 1.3rem; border-radius: 999px; border: none;
  box-shadow: 0 10px 30px rgba(35,255,212,.18), 0 8px 24px rgba(33,201,255,.12);
  transition: transform .12s ease, box-shadow .12s ease;
}
.button:hover, .btn:hover { transform: translateY(-1px); text-decoration:none; box-shadow: 0 14px 36px rgba(35,255,212,.22), 0 12px 30px rgba(33,201,255,.16); }

main { padding: 2.4rem 0 3rem; }

.card {
  background: linear-gradient(180deg, rgba(19,28,46,.9), rgba(19,28,46,.8));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
  margin: 1rem 0 1.2rem;
}
.card h2 {
  margin: 0 0 .6rem 0;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.1rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.feature {
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 12px; padding: 1rem;
}
.feature h3 { margin: .2rem 0 .4rem; font-size: 1.1rem; }
.muted { color: var(--muted); }

.gallery-grid {
  display: grid; gap: .9rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.gallery-grid img {
  width: 100%; height: 220px; object-fit: cover;
  border-radius: 12px; display: block;
  filter: saturate(1.08) contrast(1.02);
  transition: transform .15s ease;
}
.gallery-grid img:hover { transform: scale(1.02); }

footer {
  margin-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.06);
  background: rgba(16,23,37,.65);
  backdrop-filter: blur(10px);
}
.footer-inner {
  padding: 1.4rem 0;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.socials a img {
  filter: grayscale(30%); opacity: .85; vertical-align: middle;
  transition: filter .15s ease, opacity .15s ease, transform .15s ease;
}
.socials a:hover img { filter: none; opacity: 1; transform: translateY(-1px) scale(1.06); }

/* Forms */
input, textarea {
  background: #0e1524; color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px; padding: .85rem .9rem;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(35,255,212,.15); }

/* Map container */
.map-wrap { background:#0e1524; border:1px solid rgba(255,255,255,.06); border-radius: 12px; overflow: hidden; }
iframe { display:block; border:0; }