/* Bubble Flap — site styles
   No web fonts or third-party requests: the rounded system font is used on Apple devices. */

:root {
  --sky-top: #bfe4ff;
  --sky-mid: #dff1ff;
  --sky-bottom: #fff0dd;
  --sun: #ffd48a;
  --hill-far: #b9dcc0;
  --hill-near: #8fc79a;
  --house: #f7e7d3;
  --roof: #d9826b;
  --pole: #7a5a45;
  --wire: #3b3f52;
  --spark: #ffd23f;

  --bird-body: #f2a541;
  --bird-wing: #d9822b;
  --bird-belly: #fff3dc;
  --bird-beak: #ff7a45;

  --bubble-a: #7fd8ff;
  --bubble-b: #ff9fd9;
  --bubble-c: #b9a4ff;

  --bg: #fffaf3;
  --surface: #ffffff;
  --surface-2: #f4f8ff;
  --ink: #1f2a44;
  --ink-soft: #4d5a78;
  --line: #e3e8f2;
  --accent: #ff6b5a;
  --accent-ink: #ffffff;
  --focus: #2f7dff;

  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(31, 42, 68, 0.10);
  --maxw: 1080px;

  --font: ui-rounded, "SF Pro Rounded", "Nunito", "Varela Round", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --sky-top: #0e1834;
    --sky-mid: #1a2a55;
    --sky-bottom: #3a3563;
    --sun: #f4e3b0;
    --hill-far: #25405a;
    --hill-near: #1f3a3a;
    --house: #2c3350;
    --roof: #8a4f52;
    --pole: #5a4538;
    --wire: #9aa3c4;

    --bg: #0f1428;
    --surface: #171e38;
    --surface-2: #1c2545;
    --ink: #eef2ff;
    --ink-soft: #b3bdd9;
    --line: #2a3458;
    --accent: #ff7d6b;
    --accent-ink: #1a1020;
    --focus: #7fb0ff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 8px;
}

h1, h2, h3 {
  font-family: var(--font);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }

.wrap { width: min(100% - 32px, var(--maxw)); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: var(--surface); color: var(--ink);
  padding: 8px 14px; border-radius: 10px; z-index: 10;
}
.skip:focus { left: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: absolute; inset: 0 0 auto 0; z-index: 5;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-block: 18px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font); font-weight: 800; font-size: 1.2rem;
  text-decoration: none;
}
.brand svg { width: 38px; height: 38px; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  padding: 8px 12px; border-radius: 999px; color: var(--ink);
}
.nav a:hover { background: color-mix(in srgb, var(--surface) 70%, transparent); }
@media (max-width: 560px) { .nav a.hide-sm { display: none; } }

/* Solid header for inner pages */
.page .site-header { position: static; background: var(--surface); border-bottom: 1px solid var(--line); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 45%, var(--sky-bottom) 100%);
  padding-top: 110px;
}
.hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: center;
  padding-bottom: 24px;
}
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; text-align: center; } }

.eyebrow {
  display: inline-block; font-family: var(--font); font-weight: 700;
  font-size: 0.9rem; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink-soft);
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 .pop { color: var(--accent); }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 34ch; }
@media (max-width: 860px) { .lead { margin-inline: auto; } }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 26px; }
@media (max-width: 860px) { .cta-row { justify-content: center; } }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font); font-weight: 700; font-size: 1.05rem;
  padding: 14px 22px; border-radius: 999px; text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { border-color: color-mix(in srgb, var(--ink) 25%, transparent); color: var(--ink); }
.btn-ghost:hover { background: color-mix(in srgb, var(--surface) 60%, transparent); }
.btn[aria-disabled="true"] { cursor: default; }
.btn small { font-weight: 600; opacity: 0.85; font-size: 0.8rem; display: block; line-height: 1.1; }
.btn .stack { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.15; }

.platforms { margin-top: 14px; font-size: 0.95rem; color: var(--ink-soft); }

.scene { width: 100%; height: auto; }
.hero-art { position: relative; }

.ground {
  position: relative; z-index: 1; margin-top: -8px;
}

/* Floating bubbles */
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes flap { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(-18deg); } }
@keyframes bob { 0%,100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-8px) rotate(2deg); } }
@keyframes zap { 0%, 88%, 100% { opacity: 0; } 90%, 96% { opacity: 1; } }

.float { animation: floaty 5s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.float.d1 { animation-delay: -1.2s; animation-duration: 6s; }
.float.d2 { animation-delay: -2.5s; animation-duration: 4.6s; }
.float.d3 { animation-delay: -3.7s; animation-duration: 5.4s; }
.bird { animation: bob 2.4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.wing { animation: flap 0.45s ease-in-out infinite; transform-box: fill-box; transform-origin: 20% 30%; }
.spark { animation: zap 3.2s linear infinite; }

@media (prefers-reduced-motion: reduce) {
  .float, .bird, .wing, .spark { animation: none; }
  .spark { opacity: 1; }
}

/* ---------- Sections ---------- */
section { padding-block: 72px; }
.section-head { max-width: 640px; margin-bottom: 34px; }
.section-head p { color: var(--ink-soft); font-size: 1.1rem; }
.center { text-align: center; margin-inline: auto; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.step { position: relative; }
.step .icon { width: 64px; height: 64px; margin-bottom: 14px; }
.step h3 { display: flex; align-items: baseline; gap: 8px; }
.step h3::before {
  counter-increment: step; content: counter(step);
  font-size: 0.85rem; font-weight: 800; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 999px; min-width: 26px; height: 26px;
  display: inline-grid; place-items: center;
}
.step p { color: var(--ink-soft); margin: 0; }

.band { background: var(--surface-2); }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 860px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.feature { display: flex; gap: 14px; align-items: flex-start; }
.feature .dot {
  flex: none; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 35% 30%, #fff 0 18%, transparent 19%),
              radial-gradient(circle, color-mix(in srgb, var(--bubble-a) 25%, transparent) 55%, var(--bubble-a) 100%);
}
.feature:nth-child(3n+2) .dot { background: radial-gradient(circle at 35% 30%, #fff 0 18%, transparent 19%), radial-gradient(circle, color-mix(in srgb, var(--bubble-b) 25%, transparent) 55%, var(--bubble-b) 100%); }
.feature:nth-child(3n) .dot { background: radial-gradient(circle at 35% 30%, #fff 0 18%, transparent 19%), radial-gradient(circle, color-mix(in srgb, var(--bubble-c) 25%, transparent) 55%, var(--bubble-c) 100%); }
.feature h3 { margin-bottom: 4px; font-size: 1.08rem; }
.feature p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

/* Screenshots */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 860px) { .shots { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; } }
.device {
  aspect-ratio: 19.5 / 9; border-radius: 26px; padding: 10px;
  background: #1b1f2e; box-shadow: var(--shadow);
}
.device .screen {
  width: 100%; height: 100%; border-radius: 18px; overflow: hidden;
  display: grid; place-items: center;
  background: linear-gradient(180deg, var(--sky-top), var(--sky-bottom));
  color: var(--ink-soft); font-family: var(--font); font-weight: 700; font-size: 0.95rem;
}
.device .screen img { width: 100%; height: 100%; object-fit: cover; }
.shot-caption { text-align: center; color: var(--ink-soft); font-size: 0.95rem; margin-top: 10px; }

/* Final CTA */
.final {
  text-align: center;
  background: linear-gradient(180deg, var(--bg), var(--sky-top));
}
.final .cta-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 32px; font-size: 0.95rem; color: var(--ink-soft); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--ink); }

/* ---------- Inner pages (privacy, support) ---------- */
.doc { padding-block: 56px 72px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
.doc h2 { font-size: 1.45rem; margin-top: 2em; }
.doc .meta { color: var(--ink-soft); margin-bottom: 2em; }
.doc ul { padding-left: 1.2em; }
.doc li { margin-bottom: 0.4em; }
.doc .summary {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 18px 20px; margin-bottom: 1.5em;
}
.doc .summary p:last-child, .doc .summary ul:last-child { margin-bottom: 0; }

.contact-card {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow); margin: 8px 0 32px;
}
.contact-card h2 { margin: 0 0 4px; font-size: 1.3rem; }
.contact-card p { margin: 0; color: var(--ink-soft); }

.faq details {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 4px 18px; margin-bottom: 10px;
}
.faq summary {
  cursor: pointer; font-family: var(--font); font-weight: 700; font-size: 1.05rem;
  padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; line-height: 1; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding-bottom: 14px; color: var(--ink-soft); }
.faq details > div p:last-child { margin-bottom: 0; }

/* 404 */
.notfound { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 48px 16px; }
.notfound svg { width: 180px; margin: 0 auto 18px; }
@media (max-width: 860px) { .hero-art { max-width: 460px; margin-inline: auto; } }
.brand { white-space: nowrap; }
.nav { flex-wrap: nowrap; }
@media (max-width: 420px) { .nav a { padding: 8px 8px; } .nav { gap: 2px; } }