:root {
  --bg: #070b16;
  --bg2: #0b1120;
  --panel: rgba(18, 26, 46, 0.72);
  --panel-border: rgba(80, 160, 255, 0.18);
  --text: #e6edf7;
  --muted: #8aa0c0;
  --accent: #22d3ee;
  --accent2: #3b82f6;
  --good: #34d399;
  --warn: #f59e0b;
  --sold: #94a3b8;
  --radius: 16px;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: radial-gradient(1200px 700px at 70% -10%, #11203f 0%, var(--bg) 55%) fixed;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex; flex-direction: column;
}

/* tech background */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(80, 160, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 160, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 80%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 15% 20%, rgba(34, 211, 238, 0.10), transparent 60%),
    radial-gradient(500px 280px at 85% 70%, rgba(59, 130, 246, 0.12), transparent 60%);
}

.container { position: relative; z-index: 1; max-width: 1040px; width: 100%; margin: 0 auto; padding: 28px 20px 80px; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.loading { color: var(--muted); padding: 60px 0; text-align: center; }

/* topbar */
.topbar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--panel-border);
  backdrop-filter: blur(8px);
}
.brand { font-family: var(--mono); font-weight: 700; letter-spacing: 1px; color: var(--accent); }
.nav-home { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav-home:hover { color: var(--accent); }

/* hero */
.hero {
  margin-top: 40px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255,255,255,0.04);
  position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(34,211,238,0.18), transparent 70%);
}
.hero-row { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; position: relative; z-index: 1; }
.logo-box {
  width: 96px; height: 96px; border-radius: 20px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 700; font-size: 34px; color: #04121f;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 8px 30px rgba(34,211,238,0.35);
}
.logo-box img { width: 100%; height: 100%; object-fit: contain; border-radius: 20px; }
.hero-main { flex: 1 1 320px; min-width: 280px; }
.domain-name { font-family: var(--mono); font-size: clamp(28px, 5vw, 46px); font-weight: 700; line-height: 1.05; word-break: break-all; }
.tagline { color: var(--muted); margin-top: 8px; font-size: 15px; }
.price { margin-top: 16px; font-family: var(--mono); font-size: 22px; color: var(--accent); }

.badge { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .5px; vertical-align: middle; margin-left: 10px; }
.badge-for { background: rgba(52,211,153,0.15); color: var(--good); border: 1px solid rgba(52,211,153,0.4); }
.badge-sold { background: rgba(148,163,184,0.15); color: var(--sold); border: 1px solid rgba(148,163,184,0.4); }

.intro { margin-top: 28px; line-height: 1.7; color: #c7d4e8; position: relative; z-index: 1; }

/* ===== spaceship-inspired single-domain hero ===== */
.hero-domain {
  text-align: center;
  margin-top: clamp(14px, 2.5vh, 32px);
  padding: clamp(28px, 5.5vh, 60px) clamp(20px, 3vw, 40px) clamp(22px, 4.5vh, 48px);
  background: linear-gradient(180deg, rgba(15,23,46,0.92), rgba(7,11,22,0.94));
}
.hero-domain .stars {
  position: absolute; inset: 0; pointer-events: none; opacity: .95;
  background-image:
    radial-gradient(2px 2px at 18% 26%, rgba(255,255,255,.90), transparent),
    radial-gradient(1.4px 1.4px at 72% 18%, rgba(255,255,255,.70), transparent),
    radial-gradient(1.2px 1.2px at 42% 64%, rgba(255,255,255,.80), transparent),
    radial-gradient(2px 2px at 86% 54%, rgba(255,255,255,.65), transparent),
    radial-gradient(1.2px 1.2px at 60% 82%, rgba(255,255,255,.75), transparent),
    radial-gradient(1.2px 1.2px at 12% 78%, rgba(255,255,255,.65), transparent),
    radial-gradient(1.6px 1.6px at 90% 88%, rgba(255,255,255,.65), transparent),
    radial-gradient(1.2px 1.2px at 30% 12%, rgba(255,255,255,.70), transparent),
    radial-gradient(1.6px 1.6px at 50% 40%, rgba(255,255,255,.60), transparent),
    radial-gradient(1px 1px at 8% 50%, rgba(255,255,255,.65), transparent),
    radial-gradient(1.4px 1.4px at 95% 30%, rgba(255,255,255,.60), transparent),
    radial-gradient(1px 1px at 78% 70%, rgba(255,255,255,.60), transparent),
    radial-gradient(1.2px 1.2px at 64% 96%, rgba(255,255,255,.55), transparent),
    radial-gradient(1px 1px at 36% 90%, rgba(255,255,255,.55), transparent);
}
.hero-domain::after {
  content: ''; position: absolute; left: 50%; top: -220px; transform: translateX(-50%);
  width: 760px; height: 520px;
  background: radial-gradient(circle, rgba(59,130,246,.20), transparent 60%);
}
.hero-domain .hero-inner { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; }
.hero-domain .logo-box.lg {
  width: clamp(84px, 14vmin, 144px); height: clamp(84px, 14vmin, 144px);
  border-radius: clamp(20px, 3.4vmin, 34px);
  font-size: clamp(34px, 6vmin, 60px);
  margin: 0 auto clamp(12px, 2.4vmin, 20px);
  box-shadow: 0 14px 44px rgba(34,211,238,.38), inset 0 2px 0 rgba(255,255,255,.18);
}
.hero-domain .logo-box.lg img { border-radius: inherit; }
.hero-domain .domain-name { font-size: clamp(30px, min(4.5vw, 6.5vh), 62px); }
.hero-domain .badge-row { margin-top: clamp(8px, 1.6vh, 14px); }
.hero-domain .badge { margin: 0; }
.hero-domain .tagline { font-size: clamp(14px, 1.1vw + .5vh, 17px); margin-top: clamp(6px, 1.2vh, 12px); }
.hero-domain .price { font-size: clamp(20px, 1.7vw + .8vh, 28px); margin-top: clamp(10px, 1.8vh, 16px); }
.hero-domain .actions { justify-content: center; margin-top: clamp(16px, 3vh, 26px); }
.hero-domain .intro { max-width: 720px; margin: clamp(16px, 3vh, 26px) auto 0; text-align: center; font-size: clamp(14px, .9vw + .4vh, 16px); }

/* portfolio link (gated by backend switch) */
.portfolio-link-wrap { text-align: center; margin-top: clamp(18px, 3.5vh, 30px); position: relative; z-index: 1; }
.portfolio-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-family: var(--mono); letter-spacing: .5px;
  color: var(--muted); text-decoration: none;
  padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--panel-border); background: rgba(18,26,46,0.5);
  transition: color .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.portfolio-link:hover { color: var(--accent); border-color: rgba(34,211,238,0.5); box-shadow: 0 6px 20px rgba(34,211,238,0.18); }

/* actions */
.actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  border: 1px solid transparent; border-radius: 12px; padding: 13px 20px;
  font-size: 15px; font-weight: 700; text-decoration: none; transition: transform .12s ease, box-shadow .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #04121f; box-shadow: 0 10px 30px rgba(34,211,238,0.3); }
.btn-ali { background: linear-gradient(135deg, #ff6a00, #ff9d00); color: #fff; }
.btn-godaddy { background: linear-gradient(135deg, #14b8a6, #0ea5e9); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--panel-border); color: var(--text); }
.btn:hover { filter: brightness(1.06); }

/* portfolio grid */
.section-title { font-family: var(--mono); color: var(--muted); margin: 40px 0 18px; font-size: 14px; letter-spacing: 1px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 14px;
  padding: 22px; text-decoration: none; color: var(--text); transition: transform .12s ease, border-color .12s ease;
  display: block;
}
.card:hover { transform: translateY(-4px); border-color: rgba(34,211,238,0.5); }
.card .c-logo { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, var(--accent), var(--accent2)); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-weight: 700; color: #04121f; margin-bottom: 14px; overflow: hidden; }
.card .c-logo img { width: 100%; height: 100%; object-fit: contain; }
.card .c-name { font-family: var(--mono); font-size: 18px; font-weight: 700; }
.card .c-tag { color: var(--muted); font-size: 13px; margin-top: 6px; min-height: 34px; }
.card .c-price { margin-top: 12px; font-family: var(--mono); color: var(--accent); }

/* modal */
.modal-mask { position: fixed; inset: 0; background: rgba(3,7,16,0.7); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal-mask[hidden] { display: none; }
.modal { background: var(--bg2); border: 1px solid var(--panel-border); border-radius: 16px; padding: 28px; width: 100%; max-width: 440px; position: relative; box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
.modal h3 { margin: 0 0 4px; font-family: var(--mono); }
.modal-sub { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
.modal-close { position: absolute; right: 14px; top: 12px; background: none; border: none; color: var(--muted); font-size: 24px; cursor: pointer; }
.modal label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.modal input, .modal textarea { width: 100%; margin-top: 6px; background: #0d1426; border: 1px solid var(--panel-border); border-radius: 10px; padding: 10px 12px; color: var(--text); font-family: var(--sans); font-size: 14px; }
.modal input:focus, .modal textarea:focus { outline: none; border-color: var(--accent); }
.form-msg { font-size: 13px; min-height: 18px; margin-bottom: 8px; }
.form-msg.ok { color: var(--good); }
.form-msg.err { color: #f87171; }

/* footer */
.footer { position: relative; z-index: 1; text-align: center; color: var(--muted); font-size: 12px; padding: 24px; border-top: 1px solid var(--panel-border); margin-top: 40px; }

.notfound { text-align: center; padding: 80px 0; color: var(--muted); }
.notfound .big { font-family: var(--mono); font-size: 28px; color: var(--text); margin-bottom: 10px; }

.sold-note { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: rgba(148,163,184,0.08); border: 1px solid rgba(148,163,184,0.25); color: var(--sold); font-size: 14px; }

/* ===== responsive ===== */
@media (max-width: 640px) {
  .topbar { padding: 14px 16px; }
  .container { padding: 16px 14px 40px; }
  .hero { margin-top: 18px; padding: 24px 18px; }
  .hero-domain { padding: 28px 18px 24px; }
  .hero-domain .logo-box.lg { width: 96px; height: 96px; font-size: 40px; }
  .hero-domain .domain-name { font-size: clamp(28px, 8vw, 40px); }
  .hero-domain .tagline { font-size: 16px; }
  .hero-domain .actions { flex-direction: column; align-items: stretch; margin-top: 14px; }
  .hero-domain .actions .btn { width: 100%; justify-content: center; }
  .hero-domain .intro { margin-top: 12px; font-size: 15px; }
  .grid { grid-template-columns: 1fr; }
}
@media (min-width: 641px) and (max-width: 1024px) {
  .hero-domain { padding: 48px 28px 40px; }
  .container { padding: 24px 20px 72px; }
}
/* short screens (laptops 1366x768, iPad landscape, small desktop windows) */
@media (min-width: 641px) and (max-height: 820px) {
  .container { padding-top: 14px; }
  .hero-domain { margin-top: 8px; padding: 20px 28px 24px; }
  .hero-domain .logo-box.lg { width: clamp(68px, 12vmin, 100px); height: clamp(68px, 12vmin, 100px); font-size: clamp(28px, 5vmin, 44px); margin-bottom: 10px; }
  .hero-domain .domain-name { font-size: clamp(26px, min(4vw, 5.5vh), 46px); }
  .hero-domain .tagline { margin-top: 5px; }
  .hero-domain .price { margin-top: 8px; }
  .hero-domain .actions { margin-top: 12px; }
  .hero-domain .intro { margin-top: 12px; }
}