:root {
  --bg: #f6f8fa; --card: #ffffff; --ink: #0f172a; --muted: #64748b;
  --line: #e2e8f0; --brand: #4f46e5; --brand-ink: #ffffff;
  --accent: #2563eb; --ok-bg: #dcfce7; --ok-ink: #166534;
  --warn-bg: #fef3c7; --warn-ink: #92400e; --shadow: 0 1px 3px rgba(15,23,42,.08), 0 8px 24px rgba(15,23,42,.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120; --card: #111827; --ink: #e5e7eb; --muted: #94a3b8;
    --line: #1f2937; --brand: #6366f1; --accent: #60a5fa;
    --ok-bg: #052e1a; --ok-ink: #86efac; --warn-bg: #3b2f0b; --warn-ink: #fde68a;
    --shadow: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { width: 100%; max-width: 920px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); }

.hero {
  background: linear-gradient(135deg, #4f46e5 0%, #2563eb 60%, #0d9488 100%);
  color: #fff; padding: 56px 0 44px; text-align: center;
}
.hero .eyebrow { margin: 0 0 8px; font-size: 13px; letter-spacing: .04em; opacity: .9; text-transform: uppercase; }
.hero h1 { margin: 0 0 14px; font-size: clamp(28px, 5vw, 44px); line-height: 1.1; }
.hero .lede { margin: 0 auto 22px; max-width: 640px; font-size: 17px; opacity: .96; }
.hero .lede strong { font-weight: 700; }
.cta-scroll {
  display: inline-block; background: #fff; color: #1e293b; text-decoration: none;
  font-weight: 700; padding: 12px 22px; border-radius: 999px; box-shadow: var(--shadow);
}
.cta-scroll:hover { transform: translateY(-1px); }

main { padding: 28px 0 8px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; margin: 20px 0; box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 4px; font-size: 20px; }
.muted { color: var(--muted); }
.card > p.muted { margin-top: 0; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 18px 0 8px; }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 14px; }
select, input[type="email"] {
  font: inherit; font-weight: 500; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
}
select { cursor: pointer; }
input[type="email"] { width: 100%; }
input[type="email"]::placeholder { color: var(--muted); }
select:focus, input[type="email"]:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.hint { font-weight: 400; font-size: 12px; color: var(--muted); }

.actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 14px; }
button {
  font: inherit; font-weight: 600; padding: 11px 20px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer;
}
button:hover { border-color: var(--brand); }
button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
button.primary:hover { filter: brightness(1.08); }
button:disabled { opacity: .6; cursor: progress; }

.status { margin: 0; font-size: 14px; color: var(--muted); }
.status.ok { color: var(--ok-ink); } .status.warn { color: var(--warn-ink); } .status.info { color: var(--accent); }

.output-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.output-actions { display: flex; gap: 10px; }
.badge { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; vertical-align: middle; background: var(--line); }
.badge.ok { background: var(--ok-bg); color: var(--ok-ink); }
.badge.warn { background: var(--warn-bg); color: var(--warn-ink); }

.brief { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 8px; overflow-wrap: break-word; }
.brief h1 { font-size: 26px; margin: 18px 0 6px; }
.brief h2 { font-size: 20px; margin: 26px 0 8px; }
.brief h3 { font-size: 16px; margin: 20px 0 6px; }
.brief hr { border: 0; border-top: 1px solid var(--line); margin: 22px 0; }
.brief blockquote {
  margin: 14px 0; padding: 10px 16px; border-left: 4px solid var(--brand);
  background: var(--bg); border-radius: 0 8px 8px 0; color: var(--muted); font-size: 14px;
}
.brief table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; display: block; overflow-x: auto; }
.brief th, .brief td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.brief th { background: var(--bg); }
.brief a { text-decoration: none; }
.brief a:hover { text-decoration: underline; }

.gallery-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 14px; }
@media (max-width: 620px) { .gallery-list { grid-template-columns: 1fr; } }
.gallery-item {
  display: flex; flex-direction: column; gap: 4px; align-items: flex-start; text-align: left;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--ink); cursor: pointer; font: inherit; width: 100%;
}
.gallery-item:hover { border-color: var(--brand); }
.gi-label { font-weight: 600; font-size: 13.5px; }
.gi-meta { font-size: 12px; color: var(--muted); }

footer { padding: 24px 0 48px; text-align: center; font-size: 14px; color: var(--muted); }
footer p { margin: 4px 0; }