:root{
    --deep:      #051428;
    --trench:    #071c38;
    --navy:      #0c3466;
    --ocean:     #145a9e;
    --aqua:      #2f9bc9;
    --foam:      #a9e6df;
    --pearl:     #eef8fb;
    --gleam:     #f2cf8e;
    --ink:       #06172c;
    --line:      rgba(169,230,223,0.18);
    --shadow:    0 20px 60px rgba(2,12,26,0.45);
  }
  *{ margin:0; padding:0; box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    font-family:'Manrope', sans-serif;
    background:var(--deep);
    color:var(--pearl);
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{ font-family:'Fraunces', serif; font-weight:600; letter-spacing:-0.01em; }
  a{ color:inherit; text-decoration:none; }
  img,svg{ display:block; max-width:100%; }
  button{ font-family:inherit; }
  ::selection{ background:var(--gleam); color:var(--ink); }

  .eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    font-size:0.72rem; letter-spacing:0.28em; text-transform:uppercase;
    color:var(--gleam); font-weight:700;
  }
  .eyebrow::before{ content:""; width:26px; height:1px; background:var(--gleam); display:inline-block; }

  .wrap{ max-width:1180px; margin:0 auto; padding:0 32px; }

  /* ---------- HERO ---------- */
  header.hero-sec{
    position:relative; min-height:64vh; display:flex; align-items:center; overflow:hidden;
    background:
      radial-gradient(ellipse 120% 60% at 50% 0%, #1c6ba8 0%, transparent 60%),
      linear-gradient(180deg, #0d3f74 0%, #082347 55%, var(--deep) 100%);
  }
  .sun-glow{
    position:absolute; top:-10%; left:50%; transform:translateX(-50%);
    width:900px; height:900px;
    background:radial-gradient(circle, rgba(242,207,142,0.22) 0%, rgba(242,207,142,0) 65%);
    filter:blur(10px); pointer-events:none;
  }
  .bubbles{ position:absolute; inset:0; pointer-events:none; }
  .bubble{
    position:absolute; bottom:-40px; border-radius:50%;
    background:radial-gradient(circle at 30% 30%, rgba(255,255,255,0.55), rgba(169,230,223,0.05));
    border:1px solid rgba(255,255,255,0.25); animation:rise linear infinite;
  }
  @keyframes rise{
    0%{ transform:translateY(0) translateX(0); opacity:0; }
    10%{ opacity:0.8; } 90%{ opacity:0.5; }
    100%{ transform:translateY(-115vh) translateX(20px); opacity:0; }
  }

  .hero-inner{ position:relative; z-index:2; width:100%; text-align:center; padding-top:56px; }
  .hero-inner .eyebrow{ justify-content:center; }
  .hero-title{
    font-size:clamp(2.7rem, 8vw, 6rem); line-height:0.98; color:var(--pearl);
    text-shadow:0 10px 50px rgba(0,0,0,0.35); margin-top:18px;
  }
  .hero-title em{ font-style:italic; color:var(--gleam); }
  .hero-sub{ max-width:560px; margin:22px auto 0; font-size:1.02rem; line-height:1.75; color:rgba(238,248,251,0.82); }

  .wave-divider{ position:absolute; left:0; right:0; bottom:-1px; line-height:0; z-index:3; }
  .wave-divider svg{ width:100%; height:auto; display:block; }

  /* ---------- FILTERS ---------- */
  .filters-sec{
    background:linear-gradient(180deg, var(--deep) 0%, #071e3c 40%, #082041 100%);
    padding:52px 0 10px;
  }
  .filters{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
  .filter-btn{
    display:inline-flex; align-items:center; gap:8px;
    padding:10px 18px; font-size:0.82rem; font-weight:700; letter-spacing:0.01em;
    color:var(--foam); background:rgba(255,255,255,0.04);
    border:1px solid var(--line); border-radius:999px; cursor:pointer;
    transition:color .3s ease, background .3s ease, border-color .3s ease;
  }
  .filter-btn .dot{ width:8px; height:8px; border-radius:50%; background:currentColor; }
  .filter-btn:hover{ color:var(--pearl); background:rgba(169,230,223,0.08); }
  .filter-btn.active{ color:var(--ink); background:var(--dot-color, var(--gleam)); border-color:transparent; }

  /* ---------- GALLERY ---------- */
  section.gallery-sec{
    position:relative; padding:70px 0 130px;
    background:linear-gradient(180deg, #082041 0%, #071c38 55%, #061933 100%);
  }
  .section-head{ text-align:center; max-width:640px; margin:0 auto 54px; }
  .section-head h2{ font-size:clamp(2rem, 4.5vw, 3rem); margin-top:16px; color:var(--pearl); }
  .section-head p{ margin-top:16px; color:rgba(238,248,251,0.7); line-height:1.7; font-size:1rem; }

  .reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.show{ opacity:1; transform:translateY(0); }

  .gallery-grid{
    columns:4 260px; column-gap:20px;
  }
  @media(max-width:900px){ .gallery-grid{ columns:2 240px; } }
  @media(max-width:520px){ .gallery-grid{ columns:1; } }

  .photo-card{
    break-inside:avoid; margin-bottom:20px; border-radius:20px; overflow:hidden;
    position:relative; cursor:zoom-in;
    background:linear-gradient(160deg, rgba(255,255,255,0.04), rgba(7,28,56,0.5));
    border:1px solid var(--line);
    transition:transform .35s ease, border-color .35s ease;
  }
  .photo-card:hover{ transform:translateY(-5px); border-color:rgba(242,207,142,0.4); }
  .photo-card img{ width:100%; height:auto; display:block; }
  .photo-cap{
    position:absolute; left:0; right:0; bottom:0; padding:26px 18px 16px;
    background:linear-gradient(180deg, transparent, rgba(3,13,26,0.92));
    display:flex; align-items:flex-end; justify-content:space-between; gap:8px;
  }
  .photo-cap .title{ font-size:0.92rem; font-weight:700; color:var(--pearl); line-height:1.3; }
  .photo-cap .tag{
    flex:none; font-size:0.62rem; font-weight:800; letter-spacing:0.06em; text-transform:uppercase;
    color:var(--ink); background:var(--cat-color, var(--gleam)); border-radius:999px; padding:4px 10px;
  }

  /* ---------- LIGHTBOX ---------- */
  .lightbox{
    position:fixed; inset:0; z-index:2000; background:rgba(3,10,20,0.92);
    backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
    display:flex; align-items:center; justify-content:center; padding:5vh 5vw;
    opacity:0; pointer-events:none; transition:opacity .3s ease;
  }
  .lightbox.open{ opacity:1; pointer-events:auto; }
  .lightbox-inner{ max-width:900px; max-height:90vh; text-align:center; }
  .lightbox-inner img{ max-width:100%; max-height:76vh; border-radius:16px; box-shadow:var(--shadow); margin:0 auto; }
  .lightbox-cap{ margin-top:18px; color:var(--pearl); font-size:1.05rem; font-weight:700; }
  .lightbox-cap span{ display:block; margin-top:4px; font-size:0.78rem; font-weight:600; color:var(--gleam); letter-spacing:0.06em; text-transform:uppercase; }
  .lightbox-close{
    position:absolute; top:26px; right:32px; width:44px; height:44px; border-radius:50%;
    background:rgba(255,255,255,0.08); border:1px solid var(--line); color:var(--pearl);
    font-size:1.3rem; cursor:pointer; display:flex; align-items:center; justify-content:center;
    transition:background .3s ease;
  }
  .lightbox-close:hover{ background:var(--aqua); }
  .lightbox-nav{
    position:absolute; top:50%; transform:translateY(-50%); width:48px; height:48px; border-radius:50%;
    background:rgba(255,255,255,0.08); border:1px solid var(--line); color:var(--pearl);
    font-size:1.3rem; cursor:pointer; display:flex; align-items:center; justify-content:center;
    transition:background .3s ease;
  }
  .lightbox-nav:hover{ background:var(--aqua); }
  .lightbox-nav.prev{ left:24px; } .lightbox-nav.next{ right:24px; }
  @media(max-width:600px){ .lightbox-nav{ display:none; } .lightbox-close{ top:16px; right:16px; } }

  /* ---------- FOOTER ---------- */
  footer{ background:#030d1c; padding:52px 0 32px; text-align:center; border-top:1px solid var(--line); }
  footer .logo{ display:flex; align-items:center; justify-content:center; gap:10px; font-family:'Fraunces', serif; font-weight:700; font-size:1.2rem; margin-bottom:16px; }
  footer .mark{
    width:32px; height:32px; border-radius:50%; position:relative;
    background:conic-gradient(from 200deg, var(--aqua), var(--foam), var(--gleam), var(--aqua));
  }
  footer .mark::after{ content:""; position:absolute; inset:5px; border-radius:50%; background:#030d1c; }
  footer p{ font-size:0.78rem; color:rgba(238,248,251,0.45); line-height:1.7; margin-bottom:22px; }
  footer .fandom{ color:var(--gleam); font-weight:700; }
  .socials{ display:flex; gap:14px; justify-content:center; }
  .socials a{
    width:40px; height:40px; border-radius:50%; border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center; color:var(--foam);
    font-size:0.78rem; font-weight:700; transition:.3s;
  }
  .socials a:hover{ background:var(--aqua); color:var(--pearl); border-color:transparent; }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
    .reveal{ opacity:1; transform:none; }
  }
  :focus-visible{ outline:2px solid var(--gleam); outline-offset:3px; }