:root{
  --bg:#222;
  --panel:#2b2b2b;
  --ink:#f4f4f4;
  --muted:#c9c9c9;
  --accent:#78c1e0;
  --maxw:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial}
body{
  background: radial-gradient(1200px 600px at 50% -200px, rgba(255,255,255,0.06), rgba(255,255,255,0.0) 60%),
              linear-gradient(#232323, #202020);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}

.wrap{min-height:100vh;padding:16px;display:flex;align-items:center;justify-content:center}
.card{width:100%;max-width:var(--maxw);background:linear-gradient(180deg,rgba(255,255,255,0.05),rgba(255,255,255,0.02));border:1px solid rgba(255,255,255,0.08);border-radius:20px;box-shadow:0 6px 28px rgba(0,0,0,.25);overflow:hidden}

/* Header */
.header{padding:18px 22px 8px 22px;text-align:center}
.header .logo{width:720px;max-width:100%;margin:0 auto 8px auto;border-radius:12px;overflow:hidden}
.header h1{margin:6px 0 0 0;font-size:32px;letter-spacing:.5px;color:var(--ink)}
.header .sub{color:var(--muted);margin:6px 0 0 0}

/* CTAs */
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:8px 22px 18px 22px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,0.14);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));transition:.18s ease;font-weight:600}
.btn:hover{transform:translateY(-1px);border-color:var(--accent);box-shadow:0 6px 18px rgba(0,0,0,.18)}
.btn svg{width:18px;height:18px}

/* Signup */
.signup { padding: 0 22px 10px 22px; display:flex; justify-content:center; }
.signup-form { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.signup-form input[type="email"]{
  padding:12px 14px; border-radius:12px; border:1px solid rgba(255,255,255,0.14);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  color:var(--ink); min-width:260px
}
.signup-form .signup-note{ flex-basis:100%; color:var(--muted); font-size:12px; margin-top:6px}
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* About */
.about{padding:6px 22px 18px 22px;max-width:900px;margin:0 auto}
.about p{color:var(--muted);line-height:1.65;margin:0}

/* Hero */
.hero{display:grid;gap:12px;padding:8px 22px}
.hero-row{display:grid;gap:12px}
@media(min-width:900px){.hero-row{grid-template-columns:2fr 1fr}}
.frame{position:relative;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,0.08);background:var(--panel)}
.caption{position:absolute;left:10px;bottom:10px;background:rgba(0,0,0,0.45);padding:6px 10px;border-radius:999px;font-size:12px;color:#fff}

/* Section title */
.section-title{padding:8px 22px 0 22px;margin:10px 0 0 0;font-size:18px;color:var(--muted)}

/* Gallery */
.grid{padding:10px 12px 24px 12px;display:grid;gap:8px;grid-template-columns:repeat(2,1fr)}
@media(min-width:640px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1000px){.grid{grid-template-columns:repeat(5,1fr)}}
.tile{aspect-ratio:3/2;background:#1e1e1e;border-radius:10px;overflow:hidden;border:1px solid rgba(255,255,255,0.06);cursor:pointer}
.tile img{width:100%;height:100%;object-fit:cover;transition: transform 0.25s ease, box-shadow 0.25s ease;}
.tile:hover img{transform: scale(1.03); box-shadow: 0 6px 20px rgba(0,0,0,0.35)}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.86);display:none;align-items:center;justify-content:center;z-index:50}
.lightbox.open{display:flex}
.lb-img{max-width:94vw;max-height:86vh;border-radius:10px;box-shadow:0 12px 40px rgba(0,0,0,.5)}
.lb-close, .lb-prev, .lb-next{position:fixed;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:10px;cursor:pointer;user-select:none}
.lb-close{top:24px;right:24px;transform:none}
.lb-prev{left:24px}
.lb-next{right:24px}
.lb-btn:hover{background:rgba(255,255,255,.22)}
.lb-wrap{display:flex;flex-direction:column;align-items:center;gap:10px}
.lb-cap{color:#ddd;font-size:14px;text-align:center;max-width:92vw}

footer{padding:18px;text-align:center}
footer img{opacity:.9}