:root {
  --navy: #173653; --midnight: #102B43; --dusty: #87AFC2; --ice: #D0E3EA; --cream: #FFF9E8; --coral: #FFA68D;
  --bg: var(--cream); --ink: var(--navy); --muted: #4c6377; --card: #fff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: var(--midnight); --ink: var(--cream); --muted: var(--ice); --card: #173653; }
}
* { box-sizing: border-box; }
body {
  margin: 0; overflow-x: clip; background: var(--bg); color: var(--ink);
  font: 18px/1.55 ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", sans-serif;
}
main, header, footer { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
header { padding-top: 28px; }
header img { height: 44px; display: block; }
a { color: inherit; }
h1 { font-size: clamp(2.6rem, 7vw, 4.4rem); line-height: 1.02; letter-spacing: -0.02em; margin: 0 0 16px; }
h2 { font-size: 1.6rem; letter-spacing: -0.01em; margin: 0 0 8px; }
.lead { font-size: 1.25rem; color: var(--muted); max-width: 32ch; margin: 0 0 28px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: center; padding: 56px 0 72px; }
.beta { max-width: 440px; }
.beta .head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.beta .head img { width: 64px; height: auto; flex: none; }
.beta label { font-weight: 700; font-size: 1.1rem; }
.beta .row { display: flex; gap: 8px; }
.beta input, .beta button { font: inherit; border-radius: 999px; padding: 12px 20px; min-height: 48px; }
.beta input {
  flex: 1; min-width: 0; border: 2px solid var(--dusty); background: var(--card); color: var(--ink);
}
.beta input:focus { outline: 3px solid var(--coral); outline-offset: 1px; }
.beta button {
  border: 0; background: var(--coral); color: var(--midnight); font-weight: 700; cursor: pointer;
}
.beta button:disabled { opacity: 0.6; cursor: default; }
.beta .note { font-size: 0.9rem; color: var(--muted); margin: 10px 0 0; }
.beta.done .row, .beta.done label { display: none; }
.beta.done .head { margin-bottom: 0; }
.beta.done .note { font-size: 1.1rem; color: var(--ink); font-weight: 600; }
.beta .hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.phones { display: flex; justify-content: center; gap: 0; }
.phones img {
  width: 48%; max-width: 250px; height: auto; min-width: 0; border-radius: 34px; border: 6px solid var(--navy);
  box-shadow: 0 24px 60px rgb(16 43 67 / 0.25); background: var(--navy);
}
.phones img:first-child { transform: rotate(-4deg) translate(14px, 10px); }
.phones img:last-child { transform: rotate(4deg) translate(-14px, -10px); }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding-bottom: 80px; }
.features div { background: var(--card); border-radius: 26px; padding: 26px; }
.features img { display: block; width: auto; height: 120px; margin: -6px 0 14px -6px; }
.features p, .prose p, .prose li { color: var(--muted); margin: 0 0 12px; }
.prose { max-width: 70ch; padding: 40px 20px 80px; }
.prose h1 { font-size: 2.6rem; }
.prose h2 { font-size: 1.25rem; margin-top: 32px; }
footer { padding-bottom: 40px; color: var(--muted); font-size: 0.95rem; display: flex; gap: 20px; flex-wrap: wrap; }
@media (max-width: 760px) {
  .hero, .features { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; gap: 48px; }
}

/* Splash (splash.js). Hidden by a safety timer if the script never runs. */
#splash { display: none; }
.splash #splash {
  display: block; position: fixed; inset: 0; z-index: 10; cursor: pointer;
  animation: splash-safety 0s 5s forwards;
}
#splash .bg, #splash .paint { position: absolute; inset: 0; width: 100%; height: 100%; }
#splash .bg { background: var(--bg); }
#splash .logo {
  position: absolute; left: 50%; top: 50%; width: min(460px, 72vw); translate: -50% -50%; overflow: visible;
}
#splash .ink { fill: var(--ink); }
@keyframes splash-safety { to { visibility: hidden; } }

/* Diddi, the guide (mascot.js) */
.diddi {
  --skin: var(--navy); --eye: #fff; --pupil: var(--midnight);
  position: fixed; right: 16px; bottom: 16px; z-index: 5;
  display: flex; flex-direction: column; align-items: flex-end; gap: 8px;
  transform: translateY(160%); pointer-events: none;
}
@media (prefers-color-scheme: dark) { .diddi { --skin: var(--dusty); --eye: var(--cream); } }
.diddi.in { transform: none; pointer-events: auto; animation: diddi-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); }
.diddi.bye { transform: translateY(160%); transition: transform 0.3s ease-in; }
.diddi-body {
  width: 112px; padding: 0; border: 0; background: none; cursor: pointer;
  filter: drop-shadow(0 8px 14px rgb(16 43 67 / 0.25));
  transform-origin: 50% 100%; animation: diddi-bob 3.2s ease-in-out infinite;
}
.diddi-body svg { display: block; width: 100%; height: auto; overflow: visible; }
.diddi-body:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; border-radius: 16px; }
.diddi .skin, .diddi .lid { fill: var(--skin); }
.diddi .white { fill: var(--eye); }
.diddi .pupil { fill: var(--pupil); }
.diddi .cheek { fill: var(--coral); opacity: 0.75; }
.diddi .lid { transform-box: fill-box; transform-origin: center; transform: scaleY(0); transition: transform 70ms; }
.diddi.blink .lid { transform: scaleY(1); }
.diddi.talk .diddi-body { animation: diddi-talk 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), diddi-bob 3.2s 0.5s ease-in-out infinite; }
.diddi.cheer .diddi-body { animation: diddi-cheer 0.9s cubic-bezier(0.34, 1.56, 0.64, 1), diddi-bob 3.2s 0.9s ease-in-out infinite; }
.diddi-bubble {
  position: relative; max-width: min(280px, calc(100vw - 32px)); margin-right: 24px;
  background: var(--card); color: var(--ink); border-radius: 20px; padding: 14px 36px 14px 16px;
  box-shadow: 0 10px 30px rgb(16 43 67 / 0.18); font-size: 0.95rem; line-height: 1.4;
  animation: diddi-pop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); transform-origin: 85% 100%;
}
.diddi-bubble[hidden] { display: none; }
.diddi-bubble::after {
  content: ""; position: absolute; right: 22px; bottom: -8px; width: 18px; height: 18px;
  background: var(--card); transform: rotate(45deg); border-radius: 0 0 4px 0;
}
.diddi-bubble p { margin: 0; }
.diddi-action {
  margin-top: 10px; font: inherit; font-weight: 700; border: 0; border-radius: 999px; padding: 8px 16px;
  background: var(--coral); color: var(--midnight); cursor: pointer;
}
.diddi-close {
  position: absolute; top: 6px; right: 6px; width: 28px; height: 28px; border: 0; border-radius: 50%;
  background: none; color: var(--muted); font-size: 1.2rem; line-height: 1; cursor: pointer;
}
.diddi-close:hover { background: rgb(135 175 194 / 0.25); }
@keyframes diddi-in { from { transform: translateY(160%); } to { transform: none; } }
@keyframes diddi-pop { from { transform: scale(0.6); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes diddi-bob { 50% { transform: translateY(-4px) rotate(-2deg); } }
@keyframes diddi-talk {
  30% { transform: scale(1.08, 0.9); } 60% { transform: scale(0.96, 1.06) translateY(-6px); } 100% { transform: none; }
}
@keyframes diddi-cheer {
  25% { transform: scale(1.12, 0.85); } 50% { transform: translateY(-36px) rotate(-8deg) scale(0.95, 1.08); }
  75% { transform: scale(1.1, 0.9); } 100% { transform: none; }
}
@media (max-width: 760px) { .diddi-body { width: 84px; } }
@media (prefers-reduced-motion: reduce) {
  .diddi.in, .diddi-body, .diddi.talk .diddi-body, .diddi.cheer .diddi-body, .diddi-bubble { animation: none; }
}