/* ============================================================
   HOUSE TOOL — DESIGN SYSTEM
   Palette: Warm Ink × Aged Gold × Cream
   Fonts:   Syne (display, 700/800) + Manrope (body, 400–700)
   Motion:  spring + ease-out, ARKTOS-style cubic-bezier
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=Manrope:wght@400;500;600;700&display=swap');

/* ── Tokens ── */
:root {
  /* Palette */
  --ink:        #18120C;
  --ink-mid:    #3A2E24;
  --ink-pale:   #6B5C4A;
  --gold:       #B8945A;   /* slightly muted — more refined */
  --gold-light: #D4B078;
  --cream:      #F6F2EA;
  --cream-mid:  #EDE7DB;
  --cream-deep: #E0D8CC;
  --white:      #FDFAF6;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Manrope', -apple-system, 'PingFang SC', sans-serif;

  /* Space */
  --sp-2:  4px;  --sp-4:  8px;  --sp-8:  16px;
  --sp-12: 24px; --sp-16: 32px; --sp-24: 48px; --sp-32: 64px;

  /* Shape */
  --r-sm: 8px;  --r-md: 16px;  --r-lg: 24px;  --r-pill: 999px;

  /* Motion */
  --ease-out:    cubic-bezier(0.25, 1, 0.5, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadow */
  --shadow-sm: 0 1px 4px rgba(24,18,12,0.05), 0 4px 12px rgba(24,18,12,0.05);
  --shadow-md: 0 4px 16px rgba(24,18,12,0.08), 0 8px 32px rgba(24,18,12,0.07);
  --shadow-lg: 0 8px 32px rgba(24,18,12,0.12), 0 24px 64px rgba(24,18,12,0.09);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-synthesis: none;          /* prevent fake bold/italic stretch */
  overflow-x: hidden;
  cursor: none;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font-body); cursor: none; }

/* ── Custom Cursor ── */
#cursor-dot {
  position: fixed;
  width: 8px; height: 8px;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width .15s var(--ease-spring), height .15s var(--ease-spring);
  mix-blend-mode: difference;   /* always visible: white on dark, dark on light */
}
#cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid #fff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  transition: width .3s var(--ease-out), height .3s var(--ease-out), opacity .2s;
}
body.cursor-hover #cursor-dot  { width: 12px; height: 12px; }
body.cursor-hover #cursor-ring { width: 54px; height: 54px; opacity: .7; }

/* ── Site Nav ── */
.site-nav {
  position: sticky; top: 0; z-index: 200;
  background: var(--ink);
  display: flex; align-items: center;
  padding: 0 var(--sp-16); height: 54px; gap: var(--sp-8);
}
.site-nav .logo {
  font-family: var(--font-display); font-weight: 800;
  font-size: 15px; letter-spacing: -0.02em;
  color: var(--gold); white-space: nowrap; flex-shrink: 0;
}
.site-nav .logo-sub {
  font-size: 11px; font-weight: 400;
  color: rgba(255,255,255,0.3); margin-left: 10px;
}
.site-nav .nav-sep {
  width: 1px; height: 20px;
  background: rgba(255,255,255,0.08); flex-shrink: 0; margin: 0 4px;
}
.site-nav .nav-links {
  display: flex; gap: 2px; overflow-x: auto;
  scrollbar-width: none; flex: 1;
}
.site-nav .nav-links::-webkit-scrollbar { display: none; }
.site-nav .nav-links a {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.45); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.04em; padding: 6px 11px;
  border-radius: var(--r-pill); white-space: nowrap;
  display: inline-flex; align-items: center;
  line-height: 1;                /* prevent vertical squashing */
  transition: color .2s, background .2s;
}
.site-nav .nav-links a:hover  { color: rgba(255,255,255,0.88); background: rgba(255,255,255,0.07); }
.site-nav .nav-links a.active { color: var(--gold); background: rgba(184,148,90,0.12); font-weight: 700; }
.site-nav .budget-chip {
  flex-shrink: 0;
  border: 1px solid rgba(184,148,90,0.28);
  color: var(--gold); font-size: 11px; font-weight: 700;
  letter-spacing: 0.04em; padding: 4px 12px;
  border-radius: var(--r-pill); background: rgba(184,148,90,0.07);
}

/* ── Page Wrap ── */
.page-wrap { max-width: 1200px; margin: 0 auto; padding: var(--sp-16) var(--sp-12); }

/* ── Section Label ── */
.section-label {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2.5px;
  color: var(--ink-pale);
  border-bottom: 1px solid rgba(24,18,12,0.08);
  padding-bottom: var(--sp-4); margin-bottom: var(--sp-8);
}

/* ── Page Header ── */
.page-header { margin-bottom: var(--sp-16); }
.page-header .eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--gold); margin-bottom: 10px;
}
.page-header h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.03em; line-height: 1.15;
  color: var(--ink); margin-bottom: 14px;
}
.page-header .desc { font-size: 15px; color: var(--ink-pale); max-width: 600px; line-height: 1.8; }

/* ── Section Head ── */
.section-head {
  display: flex; align-items: baseline; gap: 14px;
  margin: var(--sp-16) 0 var(--sp-8);
  padding-bottom: 10px; border-bottom: 1px solid var(--cream-deep);
}
.section-head h2 {
  font-family: var(--font-display); font-size: 18px; font-weight: 700;
  letter-spacing: -0.02em; color: var(--ink);
}
.section-head .sub { font-size: 13px; color: var(--ink-pale); }

/* ── Grid ── */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
.g3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-8); }
.g4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-4); }
@media (max-width:900px){ .g4,.g3 { grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .g2,.g3,.g4 { grid-template-columns:1fr; } .page-wrap { padding:var(--sp-8); } }

/* ── Card ── */
.card {
  background: var(--white); border: 1px solid var(--cream-deep);
  border-radius: var(--r-md); padding: var(--sp-8);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-title { font-family: var(--font-display); font-size: 15px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; margin-bottom: 7px; color: var(--ink); }
.card-sub   { font-size: 13px; color: var(--ink-pale); line-height: 1.75; }

/* ── Badges ── */
.badge { display:inline-block; font-size:10px; font-weight:700; letter-spacing:.04em; text-transform:uppercase; padding:3px 10px; border-radius:var(--r-pill); margin-right:4px; margin-bottom:4px; }
.badge-gold  { background:rgba(184,148,90,.12); color:#6B4A00; border:1px solid rgba(184,148,90,.25); }
.badge-green { background:rgba(60,120,70,.1);   color:#1E5A2C; border:1px solid rgba(60,120,70,.2); }
.badge-red   { background:rgba(180,50,50,.1);   color:#8C1A1A; border:1px solid rgba(180,50,50,.2); }
.badge-blue  { background:rgba(40,80,130,.1);   color:#1A3A6A; border:1px solid rgba(40,80,130,.2); }
.badge-gray  { background:rgba(24,18,12,.06);   color:var(--ink-pale); border:1px solid rgba(24,18,12,.1); }
.badge-dark  { background:var(--ink); color:var(--gold); }

/* ── Alerts ── */
.tip  { background:rgba(184,148,90,.08); border-left:3px solid var(--gold);  padding:12px 16px; border-radius:0 var(--r-sm) var(--r-sm) 0; font-size:13px; line-height:1.7; margin-bottom:14px; }
.warn { background:rgba(180,50,50,.07);  border-left:3px solid #C04040; padding:12px 16px; border-radius:0 var(--r-sm) var(--r-sm) 0; font-size:13px; line-height:1.7; margin-bottom:14px; color:#5A1A1A; }
.ok   { background:rgba(60,120,70,.08);  border-left:3px solid #4A8C5A; padding:12px 16px; border-radius:0 var(--r-sm) var(--r-sm) 0; font-size:13px; line-height:1.7; margin-bottom:14px; color:#1A4A28; }

/* ── Buttons ── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:11px 24px; border-radius:var(--r-pill);
  font-family:var(--font-display); font-size:12px; font-weight:700;
  letter-spacing:.03em; border:none; cursor:none;
  transition:all .3s var(--ease-spring); white-space:nowrap; text-decoration:none;
}
.btn-dark   { background:var(--ink); color:var(--cream); box-shadow:0 4px 16px rgba(24,18,12,.2); }
.btn-dark:hover   { background:var(--ink-mid); transform:translateY(-2px); box-shadow:0 8px 28px rgba(24,18,12,.28); }
.btn-gold   { background:var(--gold); color:var(--ink); box-shadow:0 4px 16px rgba(184,148,90,.3); }
.btn-gold:hover   { background:var(--gold-light); transform:translateY(-2px); }
.btn-outline { background:transparent; color:var(--ink); border:1.5px solid var(--cream-deep); }
.btn-outline:hover { border-color:var(--ink); background:rgba(24,18,12,.04); }
.btn-jd  { background:#C80000; color:#fff; }
.btn-jd:hover  { background:#A00000; transform:translateY(-1px); }
.btn-tb  { background:#E84000; color:#fff; }
.btn-tb:hover  { background:#C03000; transform:translateY(-1px); }
.btn-sm  { padding:6px 14px; font-size:11px; }

/* ── Table ── */
.tbl-wrap { overflow-x:auto; border-radius:var(--r-md); border:1px solid var(--cream-deep); }
.tbl { width:100%; border-collapse:collapse; font-size:13px; }
.tbl th { background:var(--ink); color:rgba(246,242,234,.9); padding:10px 16px; text-align:left; font-weight:600; letter-spacing:.02em; font-size:12px; }
.tbl td { padding:10px 16px; border-bottom:1px solid var(--cream-mid); vertical-align:top; line-height:1.55; }
.tbl tr:last-child td { border-bottom:none; }
.tbl tr:nth-child(even) td { background:rgba(246,242,234,.45); }
.tbl tr.hl td { background:rgba(184,148,90,.07); border-left:3px solid var(--gold); }

/* ── Accordion ── */
.accordion { border:1px solid var(--cream-deep); border-radius:var(--r-md); overflow:hidden; margin-bottom:8px; }
.accordion-head { background:var(--cream-mid); padding:14px 18px; cursor:none; display:flex; justify-content:space-between; align-items:center; font-size:14px; font-weight:600; letter-spacing:-.01em; user-select:none; transition:background .2s; }
.accordion-head:hover { background:var(--cream-deep); }
.accordion-head .arrow { transition:transform .25s var(--ease-out); color:var(--ink-pale); }
.accordion.open .accordion-head .arrow { transform:rotate(180deg); }
.accordion-body { display:none; padding:16px 18px; background:var(--white); }
.accordion.open .accordion-body { display:block; }

/* ── Pro/Con ── */
.procon-item { font-size:13px; padding:4px 0; display:flex; gap:8px; line-height:1.55; color:var(--ink-mid); }
.procon-item.pro::before  { content:'✓'; color:#3C7A50; font-weight:800; flex-shrink:0; }
.procon-item.con::before  { content:'✗'; color:#A03030; font-weight:800; flex-shrink:0; }
.procon-item.note::before { content:'→'; color:var(--gold); font-weight:800; flex-shrink:0; }

/* ── Divider ── */
.divider { height:1px; background:var(--cream-deep); margin:var(--sp-16) 0; }

/* ── Prompt Block ── */
.prompt-block {
  position:relative; background:var(--ink); color:rgba(246,242,234,.82);
  padding:18px 20px; border-radius:var(--r-md);
  font-family:'SF Mono','Fira Code','Courier New',monospace;
  font-size:13px; line-height:1.7; margin-bottom:12px; white-space:pre-wrap; word-break:break-word;
}
.prompt-block .prompt-label { font-family:var(--font-body); font-size:10px; font-weight:700; letter-spacing:2px; text-transform:uppercase; color:var(--gold); margin-bottom:10px; display:block; }
.copy-btn {
  position:absolute; top:12px; right:12px;
  background:rgba(255,255,255,.06); color:rgba(255,255,255,.45);
  border:1px solid rgba(255,255,255,.1); border-radius:var(--r-pill);
  padding:4px 12px; font-size:11px; font-weight:600; cursor:none;
  font-family:var(--font-body); letter-spacing:.02em; transition:all .2s;
}
.copy-btn:hover  { background:rgba(255,255,255,.12); color:#fff; }
.copy-btn.copied { background:rgba(60,120,70,.3); color:#90D890; border-color:rgba(90,180,90,.3); }

/* ── Swatches ── */
.palette { display:flex; gap:6px; flex-wrap:wrap; margin:10px 0; }
.swatch { width:32px; height:32px; border-radius:var(--r-sm); border:1px solid rgba(24,18,12,.1); cursor:none; flex-shrink:0; position:relative; transition:transform .2s var(--ease-spring); }
.swatch:hover { transform:scale(1.15); }
.swatch::after { content:attr(title); position:absolute; bottom:calc(100% + 6px); left:50%; transform:translateX(-50%); background:var(--ink); color:rgba(246,242,234,.9); font-size:10px; font-family:'SF Mono',monospace; padding:3px 8px; border-radius:var(--r-pill); white-space:nowrap; opacity:0; pointer-events:none; transition:opacity .15s; }
.swatch:hover::after { opacity:1; }

/* ── Price ── */
.price { font-family:var(--font-display); font-size:20px; font-weight:700; color:var(--gold); letter-spacing:-.02em; }
.price-sub { font-size:12px; color:var(--ink-pale); margin-top:2px; }

/* ── Timeline ── */
.timeline { position:relative; padding-left:32px; }
.timeline::before { content:''; position:absolute; left:8px; top:8px; bottom:0; width:1px; background:var(--cream-deep); }
.tl-item { position:relative; margin-bottom:24px; }
.tl-item::before { content:''; position:absolute; left:-26px; top:6px; width:10px; height:10px; border-radius:50%; background:var(--gold); border:2px solid var(--cream); box-shadow:0 0 0 2px var(--gold); }
.tl-week  { font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:2px; color:var(--gold); margin-bottom:4px; }
.tl-title { font-family:var(--font-display); font-size:15px; font-weight:700; letter-spacing:-.01em; margin-bottom:5px; }
.tl-desc  { font-size:13px; color:var(--ink-pale); line-height:1.6; }
.tl-tasks { margin-top:8px; }
.tl-task  { font-size:13px; color:var(--ink-mid); padding:3px 0; display:flex; gap:8px; }
.tl-task::before { content:'·'; color:var(--gold); font-size:18px; line-height:1.1; flex-shrink:0; }

/* ── Scroll Reveal ── */
.reveal { opacity:0; transform:translateY(22px); transition:opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-delay-1 { transition-delay:.08s; }
.reveal-delay-2 { transition-delay:.16s; }
.reveal-delay-3 { transition-delay:.24s; }
.reveal-delay-4 { transition-delay:.32s; }

/* ── Card Expand Overlay ── */
#card-overlay {
  position:fixed; inset:0; z-index:500;
  background:rgba(24,18,12,0.55);
  backdrop-filter:blur(10px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none;
  transition:opacity .3s var(--ease-smooth);
  padding:24px;
}
#card-overlay.open { opacity:1; pointer-events:all; }
#card-modal {
  background:var(--white); border-radius:var(--r-lg);
  max-width:520px; width:100%; max-height:90vh; overflow-y:auto;
  box-shadow:var(--shadow-lg);
  transform:translateY(18px) scale(0.97);
  transition:transform .38s var(--ease-spring);
  position:relative;
}
#card-overlay.open #card-modal { transform:translateY(0) scale(1); }
.modal-visual { height:200px; border-radius:var(--r-lg) var(--r-lg) 0 0; overflow:hidden; position:relative; }
.modal-visual svg { width:100%; height:100%; }
.modal-close {
  position:absolute; top:14px; right:14px;
  width:32px; height:32px;
  background:rgba(24,18,12,.45); backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.12); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  cursor:none; transition:background .2s; z-index:2;
}
.modal-close:hover { background:rgba(24,18,12,.7); }
.modal-close svg { color:#fff; }
.modal-body { padding:26px 30px 30px; }
.modal-num { font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:2.5px; color:var(--ink-pale); margin-bottom:6px; }
.modal-title { font-family:var(--font-display); font-size:1.65rem; font-weight:800; letter-spacing:-.03em; line-height:1.1; color:var(--ink); margin-bottom:12px; }
.modal-desc  { font-size:15px; color:var(--ink-pale); line-height:1.75; margin-bottom:20px; }
.modal-features { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:22px; }
.modal-feature { display:inline-flex; padding:5px 14px; background:rgba(184,148,90,.1); color:var(--ink-mid); border-radius:var(--r-pill); font-size:12px; font-weight:600; border:1px solid rgba(184,148,90,.2); }

/* ── Shop Links ── */
.shop-links {
  display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; padding-top: 10px;
  border-top: 1px solid rgba(24,18,12,.06);
}
.shop-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .03em;
  padding: 4px 10px; border-radius: var(--r-pill);
  text-decoration: none; cursor: none;
  transition: opacity .15s, transform .15s var(--ease-spring);
}
.shop-link:hover { opacity: .82; transform: translateY(-1px); }
.shop-link.jd  { background: #e5000f; color: #fff; }
.shop-link.tb  { background: #ff5000; color: #fff; }
.shop-link.xhs { background: #fe2c55; color: #fff; }
.shop-link.pin { background: #e60023; color: #fff; }
.shop-link.brand { background: var(--ink); color: var(--gold); }
.shop-link.ref { background: var(--cream-mid); color: var(--ink-mid); border: 1px solid var(--cream-deep); }

/* ── Utility ── */
.hidden { display:none !important; }
@media (max-width:600px){
  .site-nav .budget-chip, .site-nav .logo-sub { display:none; }
  body { cursor:auto; }
  #cursor-dot, #cursor-ring { display:none; }
}