/* site.css – Blog Booster website. Same design language as the extension (Slack-style aubergine,
   cream/lavender surfaces, pill buttons); see .claude/skills/slack-design/SKILL.md. */

@font-face {
  font-family: "Pretendard";
  src: url("/assets/fonts/PretendardVariable.woff2") format("woff2-variations"),
       url("/assets/fonts/PretendardVariable.woff2") format("woff2");
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --primary: #4a154b;
  --primary-press: #611f69;
  --on-primary: #ffffff;
  --on-primary-mute: #d9bdde;
  --accent-ink: #4a154b;
  --link: #1264a3;
  --link-hover: #3860be;
  --canvas: #ffffff;
  --cream: #f4ede4;
  --lavender: #f9f0ff;
  --lavender-hover: #f1e2fc;
  --hairline: #e6e6e6;
  --ink: #1d1d1d;
  --ink-mute: #5e5e5e;
  --success: #007a5a;
  --error: #cc4117;
  --shadow-shot: 0 24px 60px rgba(29, 29, 29, 0.14), 0 2px 8px rgba(29, 29, 29, 0.06);
  --mesh:
    radial-gradient(circle at 0% 0%, rgba(255, 240, 230, 0.95), transparent 55%),
    radial-gradient(circle at 100% 10%, rgba(233, 216, 255, 0.9), transparent 55%),
    radial-gradient(circle at 60% 100%, rgba(214, 232, 220, 0.7), transparent 60%),
    var(--cream);
  --font: "Pretendard", "Inter", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --gutter: 16px;
  --radius: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --primary: #5b2163;
    --primary-press: #74307d;
    --accent-ink: #e3b8e8;
    --link: #5aa9e6;
    --link-hover: #7dbdf0;
    --canvas: #1a1d21;
    --cream: #222529;
    --lavender: #2a2430;
    --lavender-hover: #352c3c;
    --hairline: #383a3f;
    --ink: #e8e8e8;
    --ink-mute: #a7a8ab;
    --success: #3dbf8f;
    --error: #f27d5a;
    --shadow-shot: 0 24px 60px rgba(0, 0, 0, 0.5);
    --mesh:
      radial-gradient(circle at 0% 0%, rgba(120, 72, 60, 0.35), transparent 55%),
      radial-gradient(circle at 100% 10%, rgba(110, 70, 150, 0.4), transparent 55%),
      radial-gradient(circle at 60% 100%, rgba(50, 100, 80, 0.3), transparent 60%),
      var(--cream);
  }
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Korean wraps between words, not mid-word. */
:lang(ko) { word-break: keep-all; overflow-wrap: anywhere; }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

h1, h2, h3 { margin: 0; line-height: 1.25; letter-spacing: -0.02em; }

:focus-visible { outline: 2px solid var(--primary-press); outline-offset: 2px; border-radius: 4px; }

[hidden] { display: none !important; }

.container { width: min(1120px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2 * var(--gutter)); }
.doc-wide { width: min(1000px, 100% - 2 * var(--gutter)); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  padding: 8px 16px;
  border-radius: 90px;
  background: var(--primary);
  color: var(--on-primary);
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 22px;
  border: 0;
  border-radius: 90px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: background-color 150ms ease, transform 150ms ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-press); color: var(--on-primary); }
.btn-secondary { background: var(--lavender); color: var(--ink); }
.btn-secondary:hover { background: var(--lavender-hover); color: var(--ink); }
.btn-sm { min-height: 36px; padding: 8px 16px; font-size: 13px; }
.btn-sm svg { width: 16px; height: 16px; }
.btn-lg { min-height: 52px; padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn.is-disabled { background: var(--lavender); color: var(--ink-mute); cursor: default; }

.text-link { font-weight: 700; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--hairline);
}

.header-inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand img { border-radius: 8px; background: #ffffff; }

.site-nav { display: flex; gap: 20px; }
.site-nav a { color: var(--ink-mute); font-size: 14px; font-weight: 600; }
.site-nav a:hover { color: var(--ink); text-decoration: none; }

.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.lang-switch { color: var(--ink-mute); font-size: 13px; font-weight: 700; padding: 6px 10px; border-radius: 90px; }
.lang-switch:hover { background: var(--lavender); color: var(--ink); text-decoration: none; }

@media (max-width: 760px) {
  .site-nav { display: none; }
  .header-actions .btn { display: none; }
}

/* ---------- Hero ---------- */

.hero { background: var(--mesh); padding: 64px 0 72px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 48px; align-items: center; }

.eyebrow, .kicker {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 90px;
  background: var(--canvas);
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 700;
}
.kicker { background: var(--lavender); }

.hero h1 { margin: 16px 0; font-size: clamp(30px, 4.2vw, 48px); font-weight: 800; letter-spacing: -0.03em; }
.lead { margin: 0; color: var(--ink-mute); font-size: 18px; line-height: 1.65; }
.hero .lead { max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-note { margin: 14px 0 0; color: var(--ink-mute); font-size: 14px; }

.hero-shot { margin: 0; }
.hero-shot img { border-radius: 14px; box-shadow: var(--shadow-shot); }

@media (max-width: 900px) {
  .hero { padding: 40px 0 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- Facts ---------- */

.facts { border-bottom: 1px solid var(--hairline); }
.facts-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; padding: 28px 0; }
.fact { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2px; }
.fact strong { color: var(--accent-ink); font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.fact span { color: var(--ink-mute); font-size: 14px; }
@media (max-width: 640px) { .facts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- Sections ---------- */

.section { padding: 80px 0; }
.section-tint { background: var(--lavender); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head h2, .extras h2, .privacy-band h2, .cta-band h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; }
.section-head p { margin: 12px 0 0; color: var(--ink-mute); font-size: 17px; }
@media (max-width: 640px) { .section { padding: 56px 0; } .section-head { margin-bottom: 32px; } }

/* ---------- Features ---------- */

.feature { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center; padding: 32px 0; }
.feature + .feature { border-top: 1px solid var(--hairline); }
.feature-reverse .feature-copy { order: 2; }
.feature h3 { margin: 14px 0 12px; font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; }
.feature p { margin: 0; color: var(--ink-mute); font-size: 17px; }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; gap: 28px; }
  .feature-reverse .feature-copy { order: 0; }
}

.ticks { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 28px; }
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}

.shot { margin: 0; display: flex; justify-content: center; padding: 28px; border-radius: 24px; background: var(--mesh); }
.shot img { width: min(380px, 100%); border-radius: 14px; box-shadow: var(--shadow-shot); }
.shot-note { margin: 24px 0 0; color: var(--ink-mute); font-size: 13px; text-align: center; }

/* ---------- Extras ---------- */

.extras { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 48px; align-items: center; }
.extras-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.card { padding: 20px; border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--canvas); }
.card h3 { font-size: 17px; font-weight: 700; }
.card p { margin: 8px 0 0; color: var(--ink-mute); font-size: 15px; }
.shot-dark { background: #1a1d21; }
@media (max-width: 860px) { .extras { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .extras-grid { grid-template-columns: 1fr; } }

/* ---------- Steps ---------- */

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 0; padding: 0; list-style: none; }
.steps li { counter-increment: step; padding: 24px; border: 1px solid var(--hairline); border-radius: var(--radius); }
.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 800;
}
.steps h3 { font-size: 19px; }
.steps p { margin: 8px 0 0; color: var(--ink-mute); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Pricing ---------- */

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.plan { padding: 28px 24px; border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--canvas); }
.plan h3 { font-size: 18px; }
.plan-price { margin: 8px 0 0; color: var(--accent-ink); font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.plan .ticks { font-size: 15px; }
.plan-highlight { border: 2px solid var(--primary); box-shadow: var(--shadow-shot); }
.plans-note { margin: 24px auto 0; max-width: 640px; color: var(--ink-mute); font-size: 14px; text-align: center; }
@media (max-width: 860px) { .plans { grid-template-columns: 1fr; } }

/* ---------- Privacy band, FAQ, CTA ---------- */

.privacy-band { max-width: 760px; }
.privacy-band .ticks { margin-bottom: 20px; }

.faq { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--hairline); border-radius: 12px; background: var(--canvas); }
.faq summary { padding: 18px 20px; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent-ink); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 20px 18px; color: var(--ink-mute); }

.cta-band { padding: 56px 24px; border-radius: 24px; background: var(--primary); color: var(--on-primary); text-align: center; }
.cta-band p { margin: 12px 0 28px; color: var(--on-primary-mute); font-size: 17px; }
.cta-band .btn-primary { background: #ffffff; color: #4a154b; }
.cta-band .btn.is-disabled { background: rgba(255, 255, 255, 0.16); color: var(--on-primary); }

/* ---------- Documents (legal, about, guides) ---------- */

.doc { padding: 56px 0 72px; }
.doc-head h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; }
.doc-meta { margin: 10px 0 0; color: var(--ink-mute); font-size: 14px; }
.doc .lead { margin: 20px 0 8px; }
.doc h2 { margin: 40px 0 12px; font-size: 22px; font-weight: 700; }
.doc h3 { margin: 28px 0 8px; font-size: 18px; font-weight: 700; }
.doc p, .doc li { font-size: 16.5px; line-height: 1.75; }
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { margin: 0 0 16px; padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc code { padding: 2px 6px; border-radius: 4px; background: var(--lavender); font-size: 0.92em; }
.doc table { width: 100%; margin: 8px 0 20px; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { padding: 10px 12px; border-bottom: 1px solid var(--hairline); text-align: left; vertical-align: top; }
.doc th { background: var(--lavender); font-weight: 700; }
.doc .checklist { list-style: none; padding: 0; }
.doc .checklist li { padding-left: 28px; position: relative; }
.doc .checklist li::before { content: "☐"; position: absolute; left: 0; color: var(--accent-ink); }
.doc-contact { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--hairline); }
.doc-cta { margin-top: 40px; }
.breadcrumb { margin-bottom: 20px; font-size: 14px; font-weight: 700; }

@media (max-width: 640px) { .doc table { display: block; overflow-x: auto; } }

.guide-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 32px; }
.guide-card { display: flex; flex-direction: column; gap: 10px; padding: 24px; border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--canvas); color: var(--ink); transition: border-color 150ms ease, transform 150ms ease; }
.guide-card:hover { border-color: var(--primary-press); color: var(--ink); text-decoration: none; transform: translateY(-2px); }
.guide-card h2 { font-size: 19px; font-weight: 700; }
.guide-card p { margin: 0; color: var(--ink-mute); font-size: 15px; }
.guide-meta { margin-top: auto; color: var(--link); font-size: 14px; font-weight: 700; }
.doc-wide { padding: 56px 0 24px; }
.related { padding-top: 0; padding-bottom: 72px; }
.related h2 { font-size: 22px; }

.guide-cta { margin-top: 48px; padding: 24px; border-radius: var(--radius); background: var(--mesh); }
.guide-cta p { margin: 6px 0 16px; color: var(--ink-mute); font-size: 15px; }

.not-found { text-align: center; }
.not-found .lead { margin-bottom: 28px; }

/* ---------- nori.day brand page ---------- */

.hub { background: var(--mesh); }
.hub-inner { padding: 96px 0 80px; }
.hub h1 { font-size: clamp(36px, 6vw, 56px); font-weight: 800; letter-spacing: -0.03em; }
.hub .lead { margin: 16px 0 48px; }
.hub h2 { margin-bottom: 16px; font-size: 20px; }
.hub-services { display: grid; gap: 16px; }
.hub-card img { border-radius: 10px; background: #ffffff; }

/* ---------- Footer ---------- */

.site-footer { border-top: 1px solid var(--hairline); background: var(--cream); padding: 40px 0; }
.footer-inner { display: grid; gap: 16px; }
.footer-brand p { margin: 8px 0 0; color: var(--ink-mute); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-links a { color: var(--ink); font-size: 14px; font-weight: 600; }
.footer-note { margin: 0; color: var(--ink-mute); font-size: 12px; }

/* ---------- Ad unlock page ---------- */

.unlock-page { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; background: var(--mesh); }
.unlock-card { width: min(420px, 100%); padding: 28px 24px; border-radius: var(--radius); background: var(--canvas); box-shadow: var(--shadow-shot); text-align: center; }
.unlock-badge { display: grid; place-items: center; width: 48px; height: 48px; margin: 0 auto 12px; border-radius: 50%; background: var(--primary); color: var(--on-primary); font-size: 22px; }
.unlock-card h1 { margin-bottom: 8px; font-size: 22px; }
.unlock-card p { margin: 0; color: var(--ink-mute); font-size: 14px; }
.unlock-progress { height: 6px; margin-top: 14px; border-radius: 90px; background: var(--hairline); overflow: hidden; }
.unlock-progress span { display: block; height: 100%; width: 0; background: var(--primary); transition: width 1s linear; }
.unlock-status { margin-top: 18px; padding: 12px; border-radius: 8px; background: var(--lavender); color: var(--accent-ink); font-size: 14px; font-weight: 700; }
.unlock-status[data-state="success"] { background: color-mix(in srgb, var(--success) 12%, transparent); color: var(--success); }
.unlock-status[data-state="error"] { background: color-mix(in srgb, var(--error) 10%, transparent); color: var(--error); }
.unlock-card .btn { margin-top: 16px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}