/* Landing page only */

/* ---------- Hero ---------- */
.hero { padding: 28px 0 0; }
.hero-board {
  min-height: 540px;
  border-radius: 6px;
  overflow: hidden;
  padding: clamp(28px, 5vw, 64px) clamp(20px, 5vw, 64px) 96px;
  display: flex; align-items: center;
}
#doodle { position: absolute; inset: 0; width: 100%; height: 100%; cursor: crosshair; z-index: 1; touch-action: none; }
/* On touch screens the board scrolls normally until a chalk is picked up */
@media (pointer: coarse) {
  #doodle { pointer-events: none; }
  .hero-board.draw-on #doodle { pointer-events: auto; }
}
.hero-content { position: relative; z-index: 2; max-width: 640px; pointer-events: none; }
.hero-content a, .hero-content button { pointer-events: auto; }
.hero-date { margin: 0 0 6px; font-size: 24px; color: var(--chalk-dim); }
.hero-title {
  margin: 0; font-size: clamp(48px, 8vw, 92px); line-height: .95; color: var(--chalk);
}
.hero-title .hl { color: var(--chalk-yellow); }
.hero-underline { width: min(420px, 80%); height: 18px; margin: 4px 0 18px; overflow: visible; }
.hero-underline path {
  fill: none; stroke: var(--chalk-pink); stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: 420; stroke-dashoffset: 420; animation: draw 1.1s .5s ease-out forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
.hero-sub { font-size: clamp(17px, 2vw, 20px); color: var(--chalk-dim); max-width: 52ch; margin: 0 0 26px; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.hero-hint { font-size: 24px; color: var(--chalk-blue); transform: rotate(-3deg); }

/* doodles */
.doodle { position: absolute; z-index: 0; pointer-events: none; color: var(--chalk); opacity: .55; filter: url(#chalk-rough); }
svg.doodle path { fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.d-star { width: 64px; right: 9%; top: 12%; color: var(--chalk-yellow); animation: bob 5s ease-in-out infinite; }
.d-apple { width: 74px; right: 24%; bottom: 22%; color: var(--chalk-pink); animation: bob 6s 1s ease-in-out infinite; }
.d-math { right: 7%; bottom: 30%; font: 700 30px var(--font-chalk); transform: rotate(-6deg); color: var(--chalk-mint); }
.d-abc { right: 30%; top: 10%; font: 700 34px var(--font-chalk); transform: rotate(5deg); color: var(--chalk-blue); }
.d-hola { right: 10%; top: 42%; font: 700 40px var(--font-chalk); transform: rotate(4deg); color: var(--chalk-orange); }
@keyframes bob { 50% { transform: translateY(-8px) rotate(6deg); } }
@media (max-width: 860px) {
  .d-abc, .d-math, .d-hola, .d-apple { display: none; }
  .d-star { width: 44px; top: 6%; right: 6%; }
  .hero-board { min-height: 480px; }
}

/* chalk tray */
.tray {
  position: absolute; z-index: 3; left: 50%; bottom: 0; transform: translateX(-50%);
  display: flex; align-items: flex-end; gap: 12px;
  padding: 10px 22px 8px;
  background: linear-gradient(180deg, var(--wood-light), var(--wood-dark));
  border-radius: 10px 10px 0 0;
  box-shadow: 0 -2px 8px rgba(0,0,0,.25);
}
.chalk-stick {
  width: 46px; height: 13px; border: 0; padding: 0; cursor: pointer; border-radius: 4px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 100%, white 30%), var(--c) 60%, color-mix(in srgb, var(--c) 75%, black));
  transform: rotate(-4deg); transition: transform .15s ease;
}
.chalk-stick:nth-child(even) { transform: rotate(3deg); width: 38px; }
.chalk-stick:hover { transform: translateY(-4px) rotate(-8deg); }
.chalk-stick.active { transform: translateY(-9px) rotate(-12deg); box-shadow: 0 6px 8px rgba(0,0,0,.3); }
.eraser {
  width: 62px; height: 22px; margin-left: 8px; border: 0; padding: 0; cursor: pointer; border-radius: 4px;
  background: linear-gradient(180deg, #e9dcc0 0 55%, #4a5a6a 55%);
  transition: transform .15s ease;
}
.eraser:hover { transform: translateY(-4px); }
.eraser.wipe { animation: wipe .5s ease-in-out; }
@keyframes wipe { 25% { transform: translateX(-10px) } 75% { transform: translateX(10px) } }

/* ---------- Facts row ---------- */
.facts { padding: 34px 0 0; }
.facts-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.fact {
  background: var(--paper); border: 1px dashed var(--border); border-radius: var(--radius-sm);
  padding: 14px 16px; display: flex; align-items: baseline; gap: 10px;
}
.fact b { font: 700 34px/1 var(--font-chalk); color: var(--accent); }
.fact span { color: var(--ink-soft); font-weight: 700; font-size: 15px; }
@media (max-width: 760px) { .facts-row { grid-template-columns: 1fr 1fr; } }

/* ---------- Filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 34px; }
.filter {
  font: 800 15px var(--font-body); color: var(--ink); cursor: pointer;
  background: var(--paper); border: 2px solid var(--border); border-radius: 999px; padding: 7px 16px;
  transition: background .15s, border-color .15s, color .15s;
}
.filter:hover { border-color: var(--accent); }
.filter[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }

/* ---------- Tool cards ---------- */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 34px 28px; }
.tool-card {
  display: flex; flex-direction: column;
  padding: 0; overflow: visible;
  transform: rotate(var(--tilt, 0deg));
  transition: transform .2s ease, box-shadow .2s ease;
  animation: pop .45s backwards cubic-bezier(.2,1.4,.4,1);
}
.tool-card:hover { transform: rotate(0deg) translateY(-6px); box-shadow: var(--shadow-lift); }
@keyframes pop { from { opacity: 0; transform: translateY(18px) scale(.96); } }
.tool-card[hidden] { display: none; }
.tool-top {
  position: relative; height: 128px; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--board); overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; padding: 0 22px;
  border-bottom: 6px solid var(--tool-color);
}
.tool-top .tool-icon { width: 58px; height: 58px; color: var(--tool-chalk); filter: url(#chalk-rough); }
.tool-top .tool-icon svg { width: 100%; height: 100%; }
.tool-top .chalk-name { font: 700 36px/1 var(--font-chalk); color: var(--chalk); filter: url(#chalk-rough); text-align: right; }
.tool-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.tool-body > .tag { align-self: flex-start; }
.tool-body h3 { margin: 0; font-size: 22px; line-height: 1.2; }
.tool-body p { margin: 0; color: var(--ink-soft); }
.tool-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tool-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 6px; }
.tool-actions .btn { padding: 11px 16px; font-size: 15px; }
.tool-actions .btn-primary { background: var(--tool-color); box-shadow: 0 4px 0 color-mix(in srgb, var(--tool-color) 60%, black); color: #fff; }
.tool-url { font-size: 13px; color: var(--ink-soft); font-weight: 700; }

.tool-card.soon { border-style: dashed; background: transparent; box-shadow: none; align-items: center; justify-content: center; text-align: center; padding: 30px; min-height: 280px; }
.tool-card.soon .plus { font: 700 64px/1 var(--font-chalk); color: var(--ink-soft); }
.tool-card.soon p { color: var(--ink-soft); margin: 4px 0 0; }

/* ---------- How ---------- */
.how { background: color-mix(in srgb, var(--paper) 60%, var(--bg)); border-block: 1px solid var(--border); }
.steps { list-style: none; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { padding: 26px 22px 22px 56px; }
.step h3 { margin: 0 0 6px; font-size: 21px; line-height: 32px; }
.step p { margin: 0; line-height: 32px; color: var(--ink-soft); }
.step code { font-size: 14px; background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 2px 6px; border-radius: 5px; }
.step-num {
  position: absolute; left: -14px; top: -14px; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; font: 700 30px/1 var(--font-chalk);
  background: var(--accent-4); color: #3a2c05; box-shadow: var(--shadow);
}
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: center; }
.about-note { padding: 40px 36px 30px; transform: rotate(-.6deg); }
.about-note p { color: var(--ink-soft); }
.signature { font-size: 30px; color: var(--accent) !important; margin: 10px 0 0; }
.about-board { padding: 34px 32px; border-radius: 6px; transform: rotate(1deg); }
.about-board-title { font-size: 40px; margin: 0 0 10px; color: var(--chalk-yellow); }
.chalk-list { margin: 0; padding: 0; list-style: none; font: 700 28px/1.5 var(--font-chalk); }
.chalk-list li::before { content: "☐ "; color: var(--chalk-mint); }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } .about-note { padding: 34px 22px 24px; } }