/* ==========================================================================
   Theme: Hand-Drawn, warm paper, wobbly lines, human touch.
   The signature: irregular border-radius pairs that read as hand-inked boxes.
   ========================================================================== */

[data-theme="sketch"] {
  --bg: #fdfaf1;
  --bg-soft: #f7f1e1;
  --surface: #fffdf6;
  --ink: #2c2a24;
  --muted: #6a6457;
  --accent: #d95d4a;
  --accent-ink: #fffdf6;
  --accent-2: #3f7cac;
  --line: #2c2a24;
  --border-w: 2px;
  --radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  --radius-lg: 255px 15px 225px 15px / 15px 225px 15px 255px;
  --shadow: none;
  --shadow-strong: 3px 4px 0 0 rgba(44, 42, 36, 0.18);

  --font-display: "Caveat", cursive;
  --h-weight: 700;
  --h-tracking: 0;
  --h-transform: none;
  --kicker-font: "Caveat", cursive;
  --btn-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
}

/* Subtle paper grain */
[data-theme="sketch"] body {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.17 0 0 0 0 0.16 0 0 0 0 0.14 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Caveat runs small, scale display sizes up so hierarchy holds */
[data-theme="sketch"] .hero-title { font-size: clamp(2.9rem, 7vw, 5rem); line-height: 1; }
[data-theme="sketch"] .section-title { font-size: clamp(2.3rem, 4.6vw, 3.4rem); }
[data-theme="sketch"] h3 { font-size: 1.55rem; }
[data-theme="sketch"] .sys-item h3 { font-size: 1.45rem; }
[data-theme="sketch"] .demo-name { font-size: 1.45rem; }
[data-theme="sketch"] .price-name { font-size: 1.7rem; }

[data-theme="sketch"] .kicker {
  font-size: 1.25rem;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--accent-2);
}
[data-theme="sketch"] .kicker::after { content: " ~"; }

[data-theme="sketch"] .hero-title em,
[data-theme="sketch"] .section-title em {
  color: var(--accent);
  text-decoration: underline wavy var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

[data-theme="sketch"] .btn {
  border: 2px solid var(--ink);
  font-family: "Caveat", cursive;
  font-size: 1.3rem;
  font-weight: 700;
  padding: 0.55rem 1.6rem;
}
[data-theme="sketch"] .btn--primary { background: var(--accent); border-color: var(--ink); color: var(--accent-ink); }
[data-theme="sketch"] .btn--primary:hover { background: var(--ink); transform: rotate(-1.2deg); }
[data-theme="sketch"] .btn--ghost:hover { background: var(--bg-soft); color: var(--ink); transform: rotate(1.2deg); }

[data-theme="sketch"] .site-header { border-bottom: 2px solid var(--ink); }
[data-theme="sketch"] .brand-name { font-family: "Caveat", cursive; font-size: 1.5rem; }
[data-theme="sketch"] .lang-btn { border: 2px solid var(--ink); border-radius: var(--btn-radius); }
[data-theme="sketch"] .hp {
  border: 2px solid var(--ink);
  background: var(--surface);
  font-family: "Caveat", cursive;
  font-size: 1.1rem;
  transform: rotate(-0.6deg);
}
[data-theme="sketch"] .hp:nth-child(even) { transform: rotate(0.7deg); }

/* Hero: the doodles come out */
[data-theme="sketch"] .doodle { display: block; }
[data-theme="sketch"] .doodle-arrow { width: 5.5rem; top: -6%; left: -4%; transform: rotate(-12deg); color: var(--accent-2); }
[data-theme="sketch"] .doodle-star { width: 3rem; bottom: 6%; right: 4%; transform: rotate(10deg); color: var(--accent); }
[data-theme="sketch"] .ha-1 {
  opacity: 1; width: 3.2rem; height: 3.2rem;
  border: 2px solid var(--ink);
  border-radius: 49% 51% 48% 52% / 52% 47% 53% 48%;
  top: 4%; right: 8%;
  transform: rotate(6deg);
  background: #f3d9a4;
}
[data-theme="sketch"] .win { border: 2px solid var(--ink); }
[data-theme="sketch"] .win-bar { border-bottom: 2px solid var(--ink); font-family: "Caveat", cursive; font-size: 1.05rem; }
[data-theme="sketch"] .win-dots i { background: transparent; border: 1.5px solid var(--ink); }
[data-theme="sketch"] .ha-chip { background: var(--accent); }
[data-theme="sketch"] .ha-chip--alt { border: 2px solid var(--ink); }
[data-theme="sketch"] .ha-line { background: #e9e0c8; }

[data-theme="sketch"] .svc-card, [data-theme="sketch"] .why-card,
[data-theme="sketch"] .step, [data-theme="sketch"] .demo-card,
[data-theme="sketch"] .price-card, [data-theme="sketch"] .form,
[data-theme="sketch"] .win--admin, [data-theme="sketch"] .demo-thumb {
  border: 2px solid var(--ink);
}
[data-theme="sketch"] .svc-card:nth-child(odd),
[data-theme="sketch"] .demo-card:nth-child(even),
[data-theme="sketch"] .step:nth-child(even) {
  border-radius: 15px 225px 15px 255px / 255px 15px 225px 15px;
}
[data-theme="sketch"] .svc-card:hover { transform: rotate(-0.8deg); }
[data-theme="sketch"] .demo-card:hover { transform: rotate(0.8deg); }
[data-theme="sketch"] .svc-icon { color: var(--accent-2); }

[data-theme="sketch"] .why-num {
  font-family: "Caveat", cursive;
  font-size: 1.7rem;
  color: var(--accent);
}
[data-theme="sketch"] .step-num {
  border: 2px solid var(--ink);
  border-radius: 49% 51% 48% 52% / 52% 47% 53% 48%;
  font-family: "Caveat", cursive;
  font-size: 1.25rem;
  background: #f3d9a4;
}
[data-theme="sketch"] .demo-status { border: 1.5px solid var(--ink); color: var(--ink); font-family: "Caveat", cursive; font-size: 0.95rem; text-transform: none; letter-spacing: 0.02em; }
[data-theme="sketch"] .demo-status--prod { background: #d8e8d0; }

[data-theme="sketch"] .price-badge {
  background: var(--accent);
  font-family: "Caveat", cursive;
  font-size: 1.05rem;
  text-transform: none;
  letter-spacing: 0.02em;
  transform: rotate(-2deg);
}
[data-theme="sketch"] .price-card--featured { background: #fbf4dd; }
[data-theme="sketch"] .price-list li::before { content: "✓"; font-family: "Caveat", cursive; font-size: 1.2em; top: -0.15em; }

[data-theme="sketch"] .field input, [data-theme="sketch"] .field select, [data-theme="sketch"] .field textarea {
  background: var(--bg);
  border: 2px solid var(--ink);
  border-radius: 12px 4px 14px 4px / 4px 12px 4px 14px;
}
[data-theme="sketch"] .field label { font-family: "Caveat", cursive; font-size: 1.15rem; text-transform: none; letter-spacing: 0; }
[data-theme="sketch"] .site-footer { border-top: 2px solid var(--ink); }

/* Gentle settle-in, like a sticker being placed */
[data-theme="sketch"] .reveal { transform: translateY(10px) rotate(0.8deg); }
[data-theme="sketch"] .reveal.in-view { transform: none; }

[data-theme="sketch"] .car-btn { border: 2px solid var(--ink); }

/* A handwritten margin note pointing at the hero window */
[data-theme="sketch"] .td-1 {
  display: block;
  bottom: -7%; left: 18%;
  font-family: "Caveat", cursive;
  font-size: 1.25rem;
  color: var(--accent-2);
  transform: rotate(-4deg);
}
[data-theme="sketch"] .td-1::before { content: "this could be yours ↑"; }
/* a few pencil tick marks in the corner */
[data-theme="sketch"] .td-2 {
  display: block;
  top: -3%; right: 28%;
  font-family: "Caveat", cursive;
  font-size: 1.4rem;
  color: var(--accent);
  transform: rotate(8deg);
}
[data-theme="sketch"] .td-2::before { content: "✳"; }

/* Ticker: a pencil line of notes */
[data-theme="sketch"] { --tk-speed: 40; }
[data-theme="sketch"] .ticker {
  background: var(--surface);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
[data-theme="sketch"] .tk-item {
  font-family: "Caveat", cursive;
  font-size: 1.2rem;
  text-transform: none;
  letter-spacing: 0.03em;
  color: var(--ink);
}
[data-theme="sketch"] .tk-sep { color: var(--accent); }
[data-theme="sketch"] .tk-sep::before { content: "~"; font-size: 1.2em; }

/* Philosophy panel: a notebook page */
[data-theme="sketch"] .mode-panel { border: 2px solid var(--ink); }
[data-theme="sketch"] .mp-title { font-family: "Caveat", cursive; font-size: 1.9rem; }
[data-theme="sketch"] .mp-label {
  font-family: "Caveat", cursive;
  font-size: 1.15rem;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--accent-2);
}

/* --------------------------------------------------------------------------
   Self-preview
   -------------------------------------------------------------------------- */
.mode-card[data-mode="sketch"] .mc-prev {
  background: #fdfaf1;
  border: 2px solid #2c2a24;
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
}
.mode-card[data-mode="sketch"] .mp-a {
  width: 2rem; height: 2rem;
  border: 2px solid #2c2a24;
  border-radius: 49% 51% 48% 52% / 52% 47% 53% 48%;
  background: #f3d9a4;
  left: 0.7rem; top: 0.6rem;
  transform: rotate(-5deg);
}
.mode-card[data-mode="sketch"] .mp-b {
  width: 2.2rem; height: 0.16rem; background: #d95d4a; border-radius: 99px;
  right: 0.8rem; top: 1.2rem; transform: rotate(-4deg);
}
.mode-card[data-mode="sketch"] .mp-c {
  width: 1.8rem; height: 0.16rem; background: #3f7cac; border-radius: 99px;
  right: 0.9rem; top: 1.8rem; transform: rotate(3deg);
}
.mode-card[data-mode="sketch"] .mc-aa {
  font-family: "Caveat", cursive; font-weight: 700;
  color: #2c2a24; right: 0.9rem; bottom: 0.35rem; font-size: 1.9rem;
}