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

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* faint dot grid for texture */
  background-image: radial-gradient(rgb(27 21 48 / 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}

p { margin: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--color-brand);
  outline-offset: 3px;
  border-radius: 6px;
}

main { overflow-x: clip; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--space-4); top: -100px; z-index: 100;
  background: var(--color-ink); color: #fff; padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm); text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 0.85em 1.4em;
  font: 600 var(--text-base)/1 var(--font-body);
  text-decoration: none;
  color: var(--color-ink);
  background: var(--color-surface);
  border: var(--border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-pop);
  transition: transform var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-fast) var(--ease-out-expo);
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--color-line); }
.btn:active { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--color-line); }
.btn-primary { background: var(--color-brand); color: #fff; }
.btn-ghost { background: transparent; box-shadow: none; }
.btn-ghost:hover { background: var(--color-surface); box-shadow: var(--shadow-pop); }
.btn-light { background: #fff; }
.btn-small { padding: 0.6em 1.1em; font-size: var(--text-sm); box-shadow: 3px 3px 0 var(--color-line); }
.btn-small:hover { box-shadow: 5px 5px 0 var(--color-line); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgb(255 248 238 / 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 2px solid transparent;
  transition: border-color var(--duration-normal);
}
.site-header.is-scrolled { border-bottom-color: var(--color-line); }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px;
}

.logo { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.logo-mark {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  font: 800 1rem/1 var(--font-display);
  color: #fff; background: var(--color-brand);
  border: var(--border); border-radius: 12px;
  box-shadow: 3px 3px 0 var(--color-line);
  transform: rotate(-6deg);
  transition: transform var(--duration-normal) var(--ease-bounce);
}
.logo:hover .logo-mark { transform: rotate(6deg) scale(1.08); }
.logo-text { font: 800 1.35rem/1 var(--font-display); letter-spacing: -0.02em; }
.logo-text span { color: var(--color-brand); }

.nav-links {
  display: flex; align-items: center; gap: var(--space-8);
  list-style: none; margin: 0; padding: 0;
}
.nav-links a:not(.btn) {
  font-weight: 500; text-decoration: none; position: relative;
}
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 3px;
  background: var(--color-games); border-radius: 3px;
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.nav-links a:not(.btn):hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px; padding: 0;
  background: var(--color-surface); border: var(--border); border-radius: 12px;
  cursor: pointer;
}
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  display: block; width: 18px; height: 2.5px; margin-inline: auto;
  background: var(--color-ink); border-radius: 2px; position: relative;
  transition: transform var(--duration-normal) var(--ease-out-expo), opacity var(--duration-fast);
}
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: var(--space-12);
  padding-block: clamp(3rem, 2rem + 5vw, 7rem) clamp(3rem, 2rem + 4vw, 6rem);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-4);
}
.hero .eyebrow {
  text-transform: none; letter-spacing: 0;
  background: var(--color-surface);
  border: 2px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 0.35em 0.9em;
  color: var(--color-ink);
}
.dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--color-learn-2);
  box-shadow: 0 0 0 0 rgb(43 196 138 / 0.6);
  animation: pulse 2s infinite;
}

.hero h1 { font-size: var(--text-hero); font-weight: 800; }

.squiggle {
  position: relative; display: inline-block; color: var(--color-brand);
  white-space: nowrap; isolation: isolate;
}
.squiggle::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -0.12em; height: 0.28em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12' preserveAspectRatio='none'%3E%3Cpath d='M2 8 Q 12 2 22 8 T 42 8 T 62 8 T 82 8 T 102 8 T 118 8' fill='none' stroke='%23ffc83d' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
  z-index: -1;
}

.lead {
  margin-top: var(--space-6);
  max-width: 34rem;
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
}
.lead strong { color: var(--color-ink); padding: 0 0.15em; border-radius: 4px; }
.hl-apps { background: var(--color-apps-tint); }
.hl-learn { background: var(--color-learn-tint); }
.hl-games { background: var(--color-games-tint); }

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-8); }

/* Hero art: a playful cluster of app-icon tiles */
.hero-art {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 480px;
  justify-self: center;
}
.tile {
  position: absolute;
  display: grid; place-items: center;
  width: 44%; aspect-ratio: 1;
  border: 3px solid var(--color-line);
  border-radius: 26%;
  box-shadow: var(--shadow-pop-lg);
  animation: float 6s ease-in-out infinite;
}
.tile svg { width: 52%; fill: #fff; stroke: var(--color-line); stroke-width: 2.5; stroke-linejoin: round; }
.tile-apps  { --r: -8deg; top: 4%;  left: 6%;  background: var(--color-apps); }
.tile-learn { --r: 7deg;  top: 0;   right: 4%; background: var(--color-learn); animation-delay: -1.5s; }
.tile-learn svg { fill: var(--color-surface); }
.tile-games { --r: -5deg; bottom: 4%; left: 14%; background: var(--color-games); animation-delay: -3s; }
.cut rect, .cut circle { fill: var(--color-line); stroke: none; }
.tile-brand {
  --r: 10deg; bottom: 10%; right: 6%; width: 36%;
  background: var(--color-brand);
  animation-delay: -4.5s;
}
.tile-brand span { font: 800 clamp(2rem, 1rem + 4vw, 3.5rem)/1 var(--font-display); color: #fff; }

.spark {
  position: absolute; width: 22px; height: 22px;
  background: var(--color-ink);
  clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
  animation: twinkle 3s ease-in-out infinite;
}
.spark-1 { top: 46%; left: 47%; }
.spark-2 { top: -2%; left: 52%; width: 14px; height: 14px; animation-delay: -1s; background: var(--color-games); }
.spark-3 { bottom: 0; right: 42%; width: 16px; height: 16px; animation-delay: -2s; background: var(--color-apps); }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  background: var(--color-ink);
  color: var(--color-bg);
  border-block: var(--border);
  transform: rotate(-1.5deg);
  margin-inline: -2rem;
}
.marquee-track {
  display: flex; gap: var(--space-8); width: max-content;
  padding-block: var(--space-4);
  font: 800 var(--text-xl)/1 var(--font-display);
  animation: scroll 28s linear infinite;
}
.marquee-track span:nth-child(4n + 2) { color: var(--color-learn); }
.marquee-track span:nth-child(4n) { color: var(--color-games); }

/* ---------- Sections ---------- */
.section { padding-block: var(--space-section); }
.section-alt {
  background: var(--color-bg-alt);
  border-block: var(--border);
}
.section-head { max-width: 46rem; margin-bottom: var(--space-12); }
.section-head h2 { font-size: var(--text-2xl); font-weight: 800; }
.section-sub { margin-top: var(--space-4); font-size: var(--text-lg); color: var(--color-ink-soft); }

/* Bento cards — asymmetric on purpose */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-6);
}
.card {
  position: relative;
  display: flex; flex-direction: column; gap: var(--space-3);
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop-lg);
  transition: transform var(--duration-normal) var(--ease-bounce),
              box-shadow var(--duration-normal) var(--ease-out-expo);
}
.card:hover { transform: translate(-3px, -4px) rotate(-0.6deg); box-shadow: 12px 12px 0 var(--color-line); }
.card h3 { font-size: var(--text-xl); font-weight: 800; }
.card p { color: var(--color-ink-soft); max-width: 30ch; }
.card-apps  { grid-column: span 4; background: var(--color-apps-tint); min-height: 280px; }
.card-learn { grid-column: span 2; background: var(--color-learn-tint); }
.card-games { grid-column: 2 / span 5; background: var(--color-games-tint); }
.card-icon {
  display: grid; place-items: center;
  width: 64px; height: 64px; margin-bottom: var(--space-2);
  border: var(--border); border-radius: 18px;
  box-shadow: 3px 3px 0 var(--color-line);
}
.card-icon svg { width: 34px; fill: #fff; stroke: var(--color-line); stroke-width: 2.5; stroke-linejoin: round; }
.card-apps .card-icon { background: var(--color-apps); transform: rotate(-6deg); }
.card-learn .card-icon { background: var(--color-learn); transform: rotate(5deg); }
.card-games .card-icon { background: var(--color-games); transform: rotate(-4deg); }

.badge {
  align-self: flex-start; margin-top: auto;
  font-size: var(--text-sm); font-weight: 600;
  padding: 0.3em 0.8em;
  background: var(--color-surface);
  border: 2px solid var(--color-line);
  border-radius: var(--radius-pill);
}

/* Values */
.values {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8);
  list-style: none; margin: 0; padding: 0;
}
.value { border-top: var(--border); padding-top: var(--space-6); }
.value-num {
  display: inline-block; margin-bottom: var(--space-4);
  font: 800 var(--text-xl)/1 var(--font-display);
  color: var(--color-brand);
}
.value:nth-child(2) .value-num { color: var(--color-learn-2); }
.value:nth-child(3) .value-num { color: var(--color-games); }
.value h3 { font-size: var(--text-lg); font-weight: 800; margin-bottom: var(--space-2); }
.value p { color: var(--color-ink-soft); }

/* Coming-soon shelf: the future product-grid layout */
.shelf {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: var(--space-6);
  list-style: none; margin: 0; padding: 0;
}
.product {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-4);
  align-items: start;
  padding: var(--space-6);
  background: var(--color-surface);
  border: var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-pop);
  transition: transform var(--duration-normal) var(--ease-bounce), box-shadow var(--duration-normal);
}
.product:hover { transform: translateY(-4px); box-shadow: 7px 9px 0 var(--color-line); }
.product-icon {
  display: grid; place-items: center;
  width: 64px; height: 64px;
  border: var(--border); border-radius: 18px;
  font: 800 1.6rem/1 var(--font-display); color: #fff;
  background:
    repeating-linear-gradient(45deg, rgb(255 255 255 / 0.25) 0 6px, transparent 6px 12px),
    var(--kind-color, var(--color-brand));
}
.product-icon span { animation: wobble 2.4s ease-in-out infinite; display: inline-block; }
.product[data-kind="apps"]  { --kind-color: var(--color-apps); }
.product[data-kind="learn"] { --kind-color: var(--color-learn-2); }
.product[data-kind="games"] { --kind-color: var(--color-games); }
.product-body h3 { font-size: var(--text-lg); font-weight: 800; margin: var(--space-2) 0 var(--space-1); }
.product-body p { color: var(--color-ink-soft); font-size: var(--text-sm); }
.product-status {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: var(--space-2);
  padding-top: var(--space-4); margin-top: var(--space-2);
  border-top: 2px dashed rgb(27 21 48 / 0.25);
  font-size: var(--text-sm); font-weight: 600;
}
.product-status::before {
  content: ""; width: 9px; height: 9px; border-radius: 50%;
  background: var(--kind-color); animation: pulse 2s infinite;
}

.tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 0.2em 0.6em; border-radius: var(--radius-pill);
  border: 2px solid var(--color-line);
}
.tag-apps { background: var(--color-apps-tint); }
.tag-learn { background: var(--color-learn-tint); }
.tag-games { background: var(--color-games-tint); }

/* Contact */
.contact { padding-bottom: var(--space-section); }
.contact-card {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-8);
  padding: clamp(2rem, 1.2rem + 4vw, 4rem);
  background: var(--color-brand);
  color: #fff;
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop-lg);
  position: relative; overflow: hidden;
}
.contact-card::before, .contact-card::after {
  content: ""; position: absolute; border-radius: 50%; border: 3px solid rgb(255 255 255 / 0.18);
  pointer-events: none;
}
.contact-card::before { width: 280px; height: 280px; right: -80px; top: -120px; }
.contact-card::after  { width: 160px; height: 160px; right: 180px; bottom: -110px; border-color: rgb(255 200 61 / 0.5); }
.contact-card h2 { font-size: var(--text-2xl); font-weight: 800; max-width: 18ch; }
.contact-card p { margin-top: var(--space-3); opacity: 0.9; max-width: 40ch; }
.contact-card .btn { position: relative; z-index: 1; }

/* Footer */
.site-footer { border-top: var(--border); background: var(--color-surface); }
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-4); padding-block: var(--space-8);
  font-size: var(--text-sm); color: var(--color-ink-soft);
}
.footer-link { font-weight: 600; color: var(--color-ink); }

/* 404 */
.notfound {
  min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
  align-items: flex-start; gap: var(--space-4); padding-block: var(--space-12);
}
.notfound h1 { font-size: var(--text-2xl); font-weight: 800; max-width: 16ch; }
.notfound-tile { position: relative; width: 110px; margin-bottom: var(--space-6); --r: -8deg; }
.notfound-tile span { font: 800 3rem/1 var(--font-display); color: #fff; }

/* ---------- Reveal on scroll (only when JS is running) ---------- */
.js .reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .card.reveal.is-visible:hover { transform: translate(-3px, -4px) rotate(-0.6deg); }
.js .product.reveal.is-visible:hover { transform: translateY(-4px); }

/* ---------- Keyframes ---------- */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50% { transform: translateY(-14px) rotate(calc(var(--r, 0deg) * -0.4)); }
}
@keyframes twinkle {
  0%, 100% { transform: scale(1) rotate(0); opacity: 1; }
  50% { transform: scale(0.6) rotate(45deg); opacity: 0.6; }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgb(43 196 138 / 0.55); }
  70% { box-shadow: 0 0 0 8px rgb(43 196 138 / 0); }
  100% { box-shadow: 0 0 0 0 rgb(43 196 138 / 0); }
}
@keyframes scroll { to { transform: translateX(-50%); } }
@keyframes wobble {
  0%, 100% { transform: rotate(-8deg); }
  50% { transform: rotate(8deg); }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-art { max-width: 380px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .card-apps { grid-column: 1 / -1; min-height: 0; }
  .card-learn, .card-games { grid-column: span 1; }
  .values { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav-links {
    position: absolute; top: 100%; left: var(--gutter); right: var(--gutter);
    flex-direction: column; align-items: stretch; gap: var(--space-2);
    padding: var(--space-4);
    background: var(--color-surface);
    border: var(--border); border-radius: var(--radius-md);
    box-shadow: var(--shadow-pop);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity var(--duration-fast), transform var(--duration-fast), visibility var(--duration-fast);
  }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-links a:not(.btn) { display: block; padding: var(--space-2) var(--space-2); }
  .nav-links .btn { justify-content: center; }
  .bento { grid-template-columns: 1fr; }
  .card-learn, .card-games { grid-column: 1; }
  .card p { max-width: none; }
}

@media (max-width: 400px) {
  .squiggle { white-space: normal; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}