/* sidekicknote.com landing — two looks like the app: Clean (Modern Light / Dark, follows the system) and Retro (Hercules green).
   Tokens match apps/web/src/styles/theme.css. No web fonts except VT323 (self-hosted, retro headings only). */
@font-face {
  font-family: 'VT323';
  src: url('fonts/vt323.woff2') format('woff2');
  font-display: swap;
  unicode-range: U+0000-00FF, U+2000-206F, U+2190-2193;
}
:root {
  --bg: #ffffff; --bg2: #f6f7fb; --bg3: #eceef4; --fg: #17171c; --fg2: #4b4b57; --fg3: #62626d;
  --line: #e2e4ec; --accent: #2f5bea; --accent-weak: #e8eeff; --onacc: #ffffff; --code: #f1f3f7;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans Thai', 'Sukhumvit Set', Thonburi, Roboto, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, 'Noto Sans Thai', monospace;
  --head: var(--sans); --r: 14px; --shadow: 0 20px 50px rgba(20, 30, 70, 0.14); --glow: none;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-look='retro']) {
    --bg: #111318; --bg2: #171a21; --bg3: #20242d; --fg: #eceef3; --fg2: #b9bdc9; --fg3: #9da2b0;
    --line: #2a2f3a; --accent: #7d9bff; --accent-weak: #1d2747; --onacc: #0b1020; --code: #20242d;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
  }
}
:root[data-look='retro'] {
  --bg: #050805; --bg2: #081008; --bg3: #0d1f0f; --fg: #46ff7a; --fg2: #2fcf5c; --fg3: #3fb862;
  --line: #145c26; --accent: #9dffb8; --accent-weak: #0f2d17; --onacc: #031405; --code: #071407;
  --sans: var(--mono); --head: 'VT323', var(--mono); --r: 2px; --shadow: none;
  --glow: 0 0 6px rgba(70, 255, 122, 0.35);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.65 var(--sans); }
[data-look='retro'] body { font-size: 16px; }
[data-look='retro'] body::after {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 50;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.16) 0 1px, transparent 1px 3px);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
kbd, code { font: 0.86em var(--mono); background: var(--code); border: 1px solid var(--line); border-radius: 5px; padding: 0.05em 0.4em; color: var(--fg); }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 0.5em; text-shadow: var(--glow); }
[data-look='retro'] h1, [data-look='retro'] h2 { letter-spacing: 0.01em; font-weight: 400; }
h1 { font-size: clamp(2.5rem, 6vw, 4.25rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.15rem; }
[data-look='retro'] h1 { font-size: clamp(3rem, 7.5vw, 5.4rem); line-height: 1; }
[data-look='retro'] h2 { font-size: clamp(2.2rem, 4.4vw, 3.2rem); }
[data-look='retro'] h3 { font-size: 1.05rem; }
:lang(th) h1, :lang(th) h2 { line-height: 1.3; }
[data-look='retro'] :lang(th) h1, [data-look='retro']:lang(th) h1, [data-look='retro']:lang(th) h2 { font-family: var(--mono); font-weight: 600; }
p { margin: 0 0 1em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--fg3); }
.small { font-size: 0.86rem; }
.center { text-align: center; justify-content: center; }
.narrow { max-width: 680px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--onacc); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* top bar */
.top { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 700; }
.logo { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: var(--accent); color: var(--onacc); font: 700 17px var(--mono); }
[data-look='retro'] .logo { border-radius: 3px; box-shadow: var(--glow); }
.brand-name { font-size: 1.05rem; }
[data-look='retro'] .brand-name { font: 1.6rem 'VT323', var(--mono); text-shadow: var(--glow); }
.nav { display: flex; gap: 22px; margin-left: 14px; }
.nav a, .link-quiet, .lang { color: var(--fg2); text-decoration: none; font-size: 0.93rem; }
.nav a:hover, .link-quiet:hover, .lang:hover { color: var(--fg); text-decoration: underline; }
.tools { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.look { display: inline-flex; align-items: center; gap: 7px; font: 600 0.82rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg2); background: var(--bg2); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.look:hover { color: var(--fg); border-color: var(--fg3); }
.look-ico { width: 14px; height: 10px; border-radius: 2px; border: 1.5px solid currentColor; background: linear-gradient(#46ff7a, #46ff7a) 2px 2px / 5px 2px no-repeat; }
[data-look='retro'] .look-ico { background: linear-gradient(currentColor, currentColor) 2px 2px / 6px 2px no-repeat; }
.who { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--fg2); max-width: 180px; }
.who-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.av { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-weak); color: var(--accent); font-weight: 700; font-size: 0.8rem; flex: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--onacc); text-decoration: none; font-weight: 650; padding: 12px 20px; border-radius: 10px; border: 1px solid var(--accent); line-height: 1.2; }
.btn:hover { filter: brightness(1.08); }
.btn-sm { padding: 8px 14px; font-size: 0.9rem; }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--fg3); filter: none; }
[data-look='retro'] .btn { border-radius: 2px; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.88rem; box-shadow: var(--glow); }
[data-look='retro'] .btn-ghost { color: var(--fg); border-color: var(--fg2); box-shadow: none; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 16px; }

/* hero */
.hero { padding: 64px 0 40px; background: radial-gradient(900px 420px at 85% -10%, var(--accent-weak), transparent 70%); }
[data-look='retro'] .hero { background: none; }
.hero-in { display: grid; grid-template-columns: 1fr; gap: 44px; }
.hero-text { max-width: 760px; }
.eyebrow, .kicker { font: 600 0.8rem var(--mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin: 0 0 14px; }
.lead { font-size: 1.2rem; color: var(--fg2); }
.idu a { font-weight: 600; text-decoration: none; }
.idu a:hover { text-decoration: underline; }
.hero-shot { margin: 0; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
[data-look='retro'] .hero-shot { border-radius: 2px; border-color: var(--line); box-shadow: 0 0 40px rgba(70, 255, 122, 0.12); }
.only-retro { display: none; }
[data-look='retro'] .only-retro { display: block; }
[data-look='retro'] .only-clean { display: none; }

/* bands */
.band { padding: 84px 0; }
.band.alt { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.two { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.crt { background: #050805; color: #46ff7a; border: 1px solid #145c26; border-radius: 10px; padding: 22px; font: 14px/1.55 var(--mono); box-shadow: 0 0 0 6px var(--bg3), 0 0 36px rgba(70, 255, 122, 0.14); }
.crt th { font: 1.35rem 'VT323', var(--mono); color: #9dffb8; text-align: left; padding: 0 10px 10px 0; text-shadow: 0 0 6px rgba(70, 255, 122, 0.35); vertical-align: bottom; }
.crt td { padding: 9px 10px 9px 0; border-top: 1px dashed #145c26; vertical-align: top; width: 50%; }
.crt td:first-child { color: #3fb862; }
.crt kbd, .crt code { background: #0d1f0f; border-color: #145c26; color: #9dffb8; }
.then-now { border-collapse: collapse; width: 100%; }
.disclaim { margin-top: 28px; max-width: 760px; }
.grid { display: grid; gap: 18px; padding: 0; margin: 34px 0 0; list-style: none; }
.feats { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; }
.band.alt .card { background: var(--bg); }
.card p { color: var(--fg2); font-size: 0.95rem; margin: 0; }
.ico { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 10px; background: var(--accent-weak); color: var(--accent); margin-bottom: 14px; }
[data-look='retro'] .ico { border-radius: 2px; border: 1px solid var(--line); }
.themes { margin: 40px 0 0; }
.theme-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.theme-row img { border-radius: 8px; border: 1px solid var(--line); }
.themes figcaption { margin-top: 10px; }
.shots { display: grid; gap: 40px; margin-top: 34px; justify-items: center; }
.shot { margin: 0; max-width: 900px; }
.shot img { border-radius: 12px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.shot figcaption { margin-top: 12px; color: var(--fg2); text-align: center; font-size: 0.95rem; }
.plans { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.plan { display: flex; flex-direction: column; }
.plan-main { border: 2px solid var(--accent); }
.price { font: 700 1.5rem var(--head); margin: 0; color: var(--fg); }
[data-look='retro'] .price { font-weight: 400; font-size: 2rem; }
.when { font: 600 0.78rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin: 4px 0 14px; }
.ticks { list-style: none; padding: 0; margin: 0 0 20px; flex: 1; }
.ticks li { padding: 6px 0 6px 26px; position: relative; color: var(--fg2); font-size: 0.95rem; }
.ticks li::before { content: '✓'; position: absolute; left: 2px; color: var(--accent); font-weight: 700; }
.plan .btn { align-self: flex-start; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 650; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 700 1.2rem var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: '−'; }
.faq details p { color: var(--fg2); margin: 0 0 16px; }
.cta-band { background: var(--accent-weak); }
[data-look='retro'] .cta-band { background: var(--bg3); }

/* legal */
.legal { padding: 54px 24px 70px; }
.legal h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); }
.legal h2 { font-size: 1.35rem; margin-top: 2em; }
[data-look='retro'] .legal h2 { font-size: 1.9rem; }
.legal li { margin: 0.4em 0; }
.draft { background: #fff6d6; color: #5a4300; border: 1px solid #f0d27a; border-radius: 10px; padding: 12px 16px; font-weight: 600; }
[data-look='retro'] .draft { background: #1d1a05; color: #d6ff6b; border-color: #5c5414; }
@media (prefers-color-scheme: dark) { :root:not([data-look='retro']) .draft { background: #2e2608; color: #ffe08a; border-color: #5c4d14; } }
.back { margin-top: 3em; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 40px 0; background: var(--bg2); }
.foot-in { display: grid; grid-template-columns: 1fr auto; gap: 18px 40px; align-items: start; }
.foot-in .muted { margin: 8px 0 0; font-size: 0.92rem; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot-nav a { color: var(--fg2); text-decoration: none; font-size: 0.93rem; }
.foot-nav a:hover { color: var(--fg); text-decoration: underline; }
.foot-in > .small { grid-column: 1 / -1; margin: 0; }

/* responsive */
@media (max-width: 1020px) {
  .feats { grid-template-columns: repeat(2, 1fr); }
  .theme-row { grid-template-columns: repeat(3, 1fr); }
  .nav { display: none; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .top-in { gap: 10px; height: 56px; }
  .top .brand-name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .who-name, .signin { display: none; }
  .tools { gap: 10px; }
  .look { padding: 5px 9px; }
  .hero { padding-top: 40px; }
  .two, .plans, .foot-in { grid-template-columns: 1fr; }
  .band { padding: 60px 0; }
  .crt { padding: 14px; font-size: 13px; }
}
@media (max-width: 480px) {
  .feats { grid-template-columns: 1fr; }
  .theme-row { grid-template-columns: repeat(2, 1fr); }
  .btn-sm { padding: 7px 10px; font-size: 0.82rem; }
  .ctas .btn { width: 100%; justify-content: center; }
}
@media print { .top, .foot, .skip { display: none; } }