/* ============================================================
   Cozy Adventure — landing
   Direction: "sunny cozy-island diorama". Warm sand ground, teal ocean,
   apple-red pop, leaf green and golden sun. Display: Baloo 2; body: Nunito
   (the game's own UI face); data/labels: DM Mono. Signature: an isometric
   build grid with a piece snapping into place.
   ============================================================ */

:root {
  --sand: #f6ead2;
  --sand-deep: #ecdab4;
  --paper: #fffdf7;
  --ink: #173a36;
  --ink-soft: #4d6b62;
  --ocean: #1fa090;
  --ocean-deep: #137567;
  --apple: #e2483b;
  --grass: #5ba63c;
  --sun: #f4b740;

  --maxw: 1120px;
  --radius: 22px;
  --radius-sm: 13px;
  --shadow: 0 1px 0 rgba(23, 58, 54, 0.04), 0 18px 40px -22px rgba(23, 58, 54, 0.45);
  --shadow-lg: 0 30px 70px -34px rgba(20, 117, 103, 0.55);
  --ring: 0 0 0 3px rgba(31, 160, 144, 0.35);

  --font-display: "Baloo 2", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
  --font-mono: "DM Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 50% -10%, #fbf3df 0%, var(--sand) 46%, var(--sand-deep) 100%) fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--ocean-deep); }

/* height:auto keeps aspect ratio for width-constrained imgs (e.g. width:100%);
   without it, an img with width+height attributes renders at the raw height. */
img { max-width: 100%; height: auto; display: block; }

:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

/* ---------- type ---------- */
.display { font-family: var(--font-display); font-weight: 800; line-height: 1.02; letter-spacing: -0.01em; }

.hero__title { font-size: clamp(2.7rem, 7vw, 4.6rem); margin: 0.1em 0 0.3em; }

.h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); margin: 0 0 0.5rem; max-width: 18ch; }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-soft); margin: 0; }
.lead.measure { max-width: 62ch; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ocean-deep);
  margin: 0 0 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 3px;
  border-radius: 3px;
  background: var(--ocean);
}
.eyebrow--sun { color: #a9750a; }
.eyebrow--sun::before { background: var(--sun); }

.mono { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-soft); }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(20px, 5vw, 56px); }

.band { padding-block: clamp(64px, 11vw, 132px); position: relative; }

.band--feature {
  background:
    linear-gradient(180deg, rgba(31, 160, 144, 0.07), rgba(31, 160, 144, 0.02)),
    var(--sand);
  border-block: 1px solid rgba(31, 160, 144, 0.16);
}
.band--close { padding-bottom: clamp(80px, 13vw, 150px); }

.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split--reverse > :first-child { order: 2; }

.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- buttons ---------- */
.btn {
  --b: var(--ocean);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  color: #fff;
  background: var(--b);
  padding: 0.62em 1.25em;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  border: 2px solid transparent;
  box-shadow: 0 10px 22px -12px color-mix(in srgb, var(--b) 75%, #000);
  transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { --b: var(--ocean); }
.btn--sun { --b: var(--sun); color: #3a2606; }
.btn--lg { font-size: 1.08rem; padding: 0.78em 1.5em; }
.btn--ghost {
  color: var(--ink);
  background: transparent;
  border-color: rgba(23, 58, 54, 0.28);
  box-shadow: none;
}
.btn--ghost:hover { border-color: var(--ocean); color: var(--ocean-deep); }

/* ---------- header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--sand) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(23, 58, 54, 0.08);
}
.brand { display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; color: var(--ink); }
.brand__mark { font-size: 1.4rem; }
.brand__name { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; letter-spacing: -0.01em; }
.nav { margin-left: auto; display: flex; gap: clamp(8px, 2vw, 26px); }
.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--ocean); }
.header .btn { margin-left: 6px; }

/* ---------- scrollspy rail ---------- */
.rail { position: fixed; right: 22px; top: 50%; transform: translateY(-50%); z-index: 40; }
.rail ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.rail__dot { display: flex; align-items: center; gap: 10px; flex-direction: row-reverse; text-decoration: none; }
.rail__dot span {
  width: 11px; height: 11px; border-radius: 50%;
  background: transparent; border: 2px solid rgba(23, 58, 54, 0.3);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.rail__dot i {
  font-family: var(--font-mono); font-style: normal; font-size: 0.7rem; color: var(--ink-soft);
  opacity: 0; transform: translateX(6px); transition: opacity 0.2s, transform 0.2s;
}
.rail__dot:hover i { opacity: 1; transform: translateX(0); }
.rail__dot[aria-current="true"] span { background: var(--ocean); border-color: var(--ocean); transform: scale(1.25); }
.rail__dot[aria-current="true"] i { opacity: 1; transform: translateX(0); color: var(--ocean-deep); }

/* ---------- hero ---------- */
.hero { padding-top: clamp(40px, 7vw, 86px); }
.hero__grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.datastrip { margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.datastrip .dot { color: var(--ocean); }

/* framed diorama art */
.hero__stage, .stage { position: relative; }
/* Transparent cutouts float on the sand, no frame. */
.hero__art {
  width: 100%;
  filter: drop-shadow(0 26px 24px rgba(20, 117, 103, 0.32));
}
.stage--inline img {
  width: 100%;
  filter: drop-shadow(0 20px 22px rgba(20, 117, 103, 0.3));
}
.stage__shadow {
  position: absolute;
  left: 8%; right: 8%; bottom: -18px; height: 36px;
  background: radial-gradient(50% 100% at 50% 0%, rgba(20, 117, 103, 0.35), transparent 70%);
  filter: blur(3px);
  z-index: -1;
}

/* ---------- cards & ticks ---------- */
.card {
  background: var(--paper);
  border: 1px solid rgba(23, 58, 54, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(22px, 3vw, 34px);
}
.card--note { display: grid; gap: 18px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ticks li {
  font-family: var(--font-display); font-weight: 600; font-size: 1.1rem;
  padding-left: 32px; position: relative;
}
.ticks li::before {
  content: "";
  position: absolute; left: 0; top: 0.32em;
  width: 16px; height: 9px;
  border-left: 3px solid var(--grass); border-bottom: 3px solid var(--grass);
  transform: rotate(-45deg);
}
.card--note .mono { border-top: 1px dashed rgba(23, 58, 54, 0.2); padding-top: 14px; }

/* ---------- specimens ---------- */
.specimens {
  margin-top: clamp(32px, 5vw, 52px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
}
.specimen {
  margin: 0;
  display: grid;
  justify-items: center;
  padding: 6px 6px 4px;
  background: radial-gradient(ellipse 56% 26% at 50% 84%, rgba(20, 117, 103, 0.16), transparent 70%);
}
.specimen img {
  width: auto;
  height: 232px;
  object-fit: contain;
  filter: drop-shadow(0 16px 16px rgba(20, 117, 103, 0.26));
}
.specimen--wide img { height: 204px; }
.specimen figcaption {
  width: 100%;
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  padding: 16px 8px 0;
}
.specimen figcaption b { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }

/* ---------- signature: isometric build grid ---------- */
.signature {
  margin: clamp(34px, 5vw, 56px) 0 0;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  background: var(--paper);
  border: 1px solid rgba(31, 160, 144, 0.22);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(22px, 3.5vw, 44px);
}
.signature__scene { display: flex; justify-content: center; }
.iso { width: 100%; max-width: 480px; height: auto; overflow: visible; }
.iso .tile { fill: var(--sand-deep); stroke: rgba(31, 160, 144, 0.4); stroke-width: 1.2; }
.face { stroke: rgba(23, 58, 54, 0.22); stroke-width: 1; stroke-linejoin: round; }
.piece--floor .face--top { fill: #6fbf4b; }
.piece--floor .face--right { fill: #4e9a33; }
.piece--floor .face--left { fill: #3e7b28; }
.piece--wall .face--top { fill: #34c2b0; }
.piece--wall .face--right { fill: var(--ocean); }
.piece--wall .face--left { fill: var(--ocean-deep); }
.dropline { stroke: var(--apple); stroke-width: 2; stroke-dasharray: 3 5; stroke-linecap: round; opacity: 0.7; }
.ghost__face { fill: var(--apple); stroke: var(--apple); stroke-width: 1.6; stroke-dasharray: 5 4; }
.ghost__top { fill-opacity: 0.42; }
.ghost__left, .ghost__right { fill-opacity: 0.22; }

.signature__keys { display: grid; grid-template-columns: auto 1fr; gap: 12px 14px; align-items: center; }
.signature__keys .kw { font-weight: 700; color: var(--ink); }

.kbd {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--sand);
  border: 1px solid rgba(23, 58, 54, 0.22);
  border-bottom-width: 3px;
  border-radius: 8px;
  padding: 5px 11px;
  min-width: 1.4em;
  text-align: center;
  justify-self: start;
}

/* ---------- controls ---------- */
.keys {
  list-style: none; margin: clamp(28px, 4vw, 44px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 2vw, 22px);
}
.keys li {
  background: var(--paper); border: 1px solid rgba(23, 58, 54, 0.08); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 22px; display: grid; gap: 8px; justify-items: start;
}
.keys__caps { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 6px; }
.keys b { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }

/* ---------- footer ---------- */
.footer { padding-block: clamp(40px, 6vw, 72px); border-top: 1px solid rgba(23, 58, 54, 0.1); }
.footer__wrap { display: grid; gap: 8px; justify-items: center; text-align: center; }
.footer .brand__name { font-size: 1.4rem; }
.footer__stack { letter-spacing: 0.02em; }
.footer__by { margin: 4px 0 0; color: var(--ink-soft); }

/* ---------- utilities: skip, progress ---------- */
.skip {
  position: fixed; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; text-decoration: none;
  transition: top 0.18s ease;
}
.skip:focus { top: 12px; }

.progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--ocean), var(--sun));
  z-index: 60;
}

/* ---------- motion ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 0.2s; }
.no-js [data-reveal] { opacity: 1; transform: none; }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.float { animation: float 6s ease-in-out infinite; }

@keyframes hover-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
.anim-hover { animation: hover-bob 2.6s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .rail { display: none; }
  .hero__grid, .split { grid-template-columns: 1fr; }
  .split--reverse > :first-child { order: 0; }
  .hero__stage, .hero .hero__copy { text-align: left; }
  .specimens { grid-template-columns: repeat(2, 1fr); }
  .specimen--wide { grid-column: 1 / -1; }
  .signature { grid-template-columns: 1fr; }
  .keys { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .nav { display: none; }
  .specimens { grid-template-columns: 1fr; }
  .keys { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .float, .anim-hover { animation: none; }
  [data-reveal] { transition: none; opacity: 1; transform: none; }
  .btn { transition: none; }
}