/* OLED Saver pages: local draft (Development, 2026-10-21). Night Eclipse look: true black, ice-blue light. */
:root {
  --black: #000;
  --ink: #f2f5fa;
  --ink-2: #aab3c2;
  --ink-3: #6c7586;
  --ice: #9ec5ff;
  --ice-soft: rgba(158, 197, 255, 0.16);
  --card: #0b0d12;
  --line: rgba(255, 255, 255, 0.09);
  --radius: 18px;
  --max: 1080px;
  /* Inter per decision 00a1f7b line 13. Draft falls back to the system font; self-host Inter before going live. */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--black); color-scheme: dark; }
body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font: 400 17px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ice); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }

.wrap { width: min(var(--max), 100% - 32px); margin: 0 auto; }

/* Top bar */
.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.brand-mark {
  width: 22px; height: 22px; border-radius: 50%; background: #000;
  box-shadow: 0 0 0 2px var(--ice), 0 0 14px rgba(158, 197, 255, 0.55);
}
.lang { display: flex; gap: 4px; }
.lang button {
  font: 500 13px var(--font); color: var(--ink-2); background: none; border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 11px; cursor: pointer;
}
.lang button[aria-pressed="true"] { color: var(--ink); border-color: var(--ice); }

/* Hero */
.hero { text-align: center; padding: 48px 0 24px; }
.hero h1 {
  font-size: clamp(34px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 700;
  margin: 0 auto 18px; max-width: 15ch; text-wrap: balance;
}
.hero p.sub { color: var(--ink-2); font-size: clamp(17px, 2.2vw, 20px); max-width: 56ch; margin: 0 auto 28px; text-wrap: pretty; }
.cta {
  display: inline-block; background: var(--ink); color: #000; font-weight: 600; font-size: 17px;
  padding: 14px 26px; border-radius: 999px;
}
.cta:hover { text-decoration: none; background: #fff; box-shadow: 0 0 28px rgba(158, 197, 255, 0.45); }
.cta-note { display: block; margin-top: 12px; color: var(--ink-3); font-size: 14px; }
.hero-img { margin: 40px auto 0; border-radius: var(--radius); overflow: hidden; }

/* Sections */
section { padding: 72px 0; border-top: 1px solid var(--line); }
section h2 {
  font-size: clamp(26px, 3.6vw, 38px); letter-spacing: -0.025em; line-height: 1.12; margin: 0 0 32px; text-wrap: balance;
}

/* Before / after */
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ba figure { margin: 0; }
.ba img { border-radius: 12px; border: 1px solid var(--line); }
.ba figcaption { margin-top: 12px; color: var(--ink-2); font-size: 15px; }
.ba .ph {
  aspect-ratio: 16 / 9; border-radius: 12px; border: 1px dashed var(--line); display: grid; place-items: center;
  color: var(--ink-3); font-size: 14px; padding: 16px; text-align: center;
}

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.feature h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--ink-2); font-size: 16px; }
kbd {
  font: 500 14px var(--font); background: rgba(255, 255, 255, 0.07); border: 1px solid var(--line);
  border-radius: 6px; padding: 1px 6px; color: var(--ink);
}

/* Price */
.prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.price { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.price.primary { border-color: var(--ice); box-shadow: 0 0 0 1px var(--ice-soft), 0 0 40px rgba(158, 197, 255, 0.12); }
.price h3 { margin: 0 0 6px; font-size: 18px; }
.price .amount { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; margin: 6px 0 10px; }
.price .amount small { font-size: 15px; font-weight: 500; color: var(--ink-3); }
.price p { margin: 0; color: var(--ink-2); font-size: 15px; }
.price-notes { margin-top: 24px; color: var(--ink-2); font-size: 15px; display: grid; gap: 6px; }
.premium-adds { margin-top: 18px; color: var(--ink-3); font-size: 14px; max-width: 80ch; }

/* Privacy */
.privacy p { color: var(--ink-2); max-width: 70ch; margin: 0; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--ice); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-2); margin: 10px 0 0; max-width: 70ch; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 0 60px; color: var(--ink-3); font-size: 14px; }
footer .links { display: flex; flex-wrap: wrap; gap: 18px; margin: 10px 0; }
footer .links a { color: var(--ink-2); }

/* Draft banner: removed before publishing */
.draft {
  background: #1a1405; color: #f5d27a; font-size: 13px; text-align: center; padding: 8px 16px;
  border-bottom: 1px solid rgba(245, 210, 122, 0.25);
}

[hidden] { display: none !important; }

@media (max-width: 760px) {
  .ba, .prices { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .hero { padding-top: 28px; }
}

/* Long-form pages (privacy, terms) */
.doc { max-width: 720px; padding: 32px 0 64px; }
.doc h1 { font-size: clamp(30px, 4.5vw, 44px); letter-spacing: -0.03em; line-height: 1.1; margin: 8px 0 6px; }
.doc .updated { color: var(--ink-3); font-size: 14px; margin: 0 0 28px; }
.doc h2 { font-size: 20px; letter-spacing: -0.01em; margin: 32px 0 8px; border: 0; }
.doc p, .doc li { color: var(--ink-2); }
.doc ul { padding-left: 20px; }
.doc .lead { color: var(--ink); font-size: 19px; }
.todo { color: #f5d27a; font-weight: 600; }
.doc ol.steps { padding-left: 22px; }
.doc ol.steps li { margin: 0 0 10px; }
.doc small { color: var(--ink-3); font-size: 14px; }
.doc code { font: 14px/1.4 ui-monospace, Menlo, monospace; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 6px; padding: 1px 6px; overflow-wrap: anywhere; }

/* Mode Showcase Grid & Hero Video */
.hero-media { margin: 40px auto 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #050608; box-shadow: 0 24px 80px rgba(0, 0, 0, 0.85), 0 0 40px rgba(158, 197, 255, 0.1); position: relative; }
.hero-media video, .hero-media img { width: 100%; height: auto; display: block; }
.modes-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
.mode-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.mode-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-bottom: 1px solid var(--line); }
.mode-card .mode-body { padding: 22px 24px 24px; }
.mode-card .mode-kicker { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ice); margin-bottom: 6px; }
.mode-card h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.01em; }
.mode-card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.copy-btn { font: 500 13px var(--font); color: var(--ink); background: rgba(255,255,255,0.08); border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; cursor: pointer; margin-left: 6px; }
.copy-btn:hover { border-color: var(--ice); background: rgba(158, 197, 255, 0.14); }
@media (max-width: 780px) {
  .modes-grid { grid-template-columns: 1fr; }
}

/* Free foundation banner & billing toggle */
.free-banner {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px; margin-bottom: 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.free-banner-main h3 { margin: 4px 0 6px; font-size: 19px; }
.free-banner-main p { margin: 0; color: var(--ink-2); font-size: 15px; max-width: 72ch; }
.free-banner .btn { white-space: nowrap; flex-shrink: 0; font-weight: 600; }
.billing-toggle-wrap { display: flex; justify-content: center; margin: 0 0 20px; }
.billing-toggle {
  display: inline-flex; background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px; gap: 4px;
}
.billing-toggle button {
  font: 600 14px var(--font); color: var(--ink-2); background: transparent; border: 0;
  border-radius: 999px; padding: 8px 18px; cursor: pointer; transition: all 0.15s ease;
}
.billing-toggle button[aria-pressed="true"] {
  background: var(--ice); color: #050608; box-shadow: 0 2px 12px rgba(158, 197, 255, 0.28);
}
@media (max-width: 760px) {
  .free-banner { flex-direction: column; align-items: flex-start; }
}