/* AquaPinta · página web. Mismos colores que la app: mar azul, arena, crayones. */
:root {
    --ink: #1d3557;
    --ink-soft: #3d5a80;
    --sea-1: #c9efff;
    --sea-2: #8fd3f7;
    --sea-3: #4ea8de;
    --sand: #f6d88b;
    --card: #ffffff;
    --green: #7ed957;
    --green-dark: #4fa82f;
    --radius: 26px;
    --shadow: 0 6px 0 rgba(29, 53, 87, 0.14), 0 14px 30px rgba(29, 53, 87, 0.12);
    --font: "Nunito", ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background: linear-gradient(180deg, var(--sea-1) 0%, var(--sea-2) 45%, var(--sea-3) 100%) fixed;
    line-height: 1.5;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0; }
h2 { font-size: clamp(28px, 5vw, 42px); font-weight: 900; text-align: center; margin-bottom: 28px; }
.small { font-size: 14px; color: var(--ink-soft); }

/* --- Burbujas del fondo --- */
.bubbles { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.bubble {
    position: absolute;
    bottom: -40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.18);
    animation: rise linear infinite;
}
@keyframes rise { to { transform: translateY(-110vh) translateX(20px); opacity: 0.2; } }

main, .nav, .footer { position: relative; z-index: 1; }

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: 999px;
    background: var(--green);
    color: var(--ink);
    font: inherit;
    font-size: 18px;
    font-weight: 900;
    text-decoration: none;
    box-shadow: 0 5px 0 var(--green-dark);
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 7px 0 var(--green-dark); }
.btn:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--green-dark); }
.btn-ghost { background: #fff; box-shadow: 0 5px 0 rgba(29, 53, 87, 0.18); }
.btn-ghost:hover { box-shadow: 0 7px 0 rgba(29, 53, 87, 0.18); }
.btn-small { padding: 9px 16px; font-size: 15px; box-shadow: 0 4px 0 var(--green-dark); }
.btn-full { width: 100%; font-size: 20px; padding: 16px; }
.btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

/* --- Barra superior --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px clamp(16px, 4vw, 40px);
    background: rgba(201, 239, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; font-size: 22px; }
.nav-brand img { border-radius: 12px; box-shadow: 0 3px 0 rgba(29, 53, 87, 0.15); }
.nav-links { display: flex; align-items: center; gap: 18px; font-weight: 800; }
.nav-links > a:not(.btn) { text-decoration: none; }
.nav-links > a:not(.btn):hover { text-decoration: underline; }
.lang {
    border: 2px solid rgba(29, 53, 87, 0.2);
    border-radius: 12px;
    background: #fff;
    padding: 4px 9px;
    font: inherit;
    font-weight: 900;
    font-size: 13px;
    color: var(--ink);
    cursor: pointer;
}
@media (max-width: 640px) {
    .nav-links > a:not(.btn) { display: none; }
    .nav-brand span { display: none; }
}

/* --- Portada --- */
.hero {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
    gap: clamp(24px, 4vw, 56px);
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(28px, 6vw, 72px) clamp(16px, 4vw, 40px) 36px;
}
.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: #fff;
    font-weight: 900;
    font-size: 15px;
    box-shadow: 0 3px 0 rgba(29, 53, 87, 0.12);
}
.logo {
    display: flex;
    flex-wrap: nowrap;
    margin: 18px 0 12px;
    font-size: clamp(44px, 6.4vw, 84px);
    font-weight: 900;
    letter-spacing: 1px;
    line-height: 1;
}
.logo span {
    display: inline-block;
    color: var(--c);
    -webkit-text-stroke: 10px #fff;
    paint-order: stroke fill;
    text-shadow: 0 6px 0 rgba(29, 53, 87, 0.3);
    animation: wave 2.4s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.12s);
}
@keyframes wave {
    0%, 60%, 100% { transform: translateY(0) rotate(0); }
    30% { transform: translateY(-10px) rotate(-4deg); }
}
.lead { font-size: clamp(18px, 2.2vw, 22px); font-weight: 700; max-width: 34ch; margin: 0 0 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 24px 0 0; }
.pills li { padding: 6px 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.6); font-weight: 800; font-size: 14px; }
.hero-art img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    border: 6px solid #fff;
    box-shadow: var(--shadow);
    transform: rotate(2deg);
}
@media (max-width: 860px) {
    .hero { grid-template-columns: 1fr; text-align: center; }
    .logo { font-size: clamp(44px, 13vw, 84px); }
    .lead { margin-inline: auto; }
    .logo, .hero-actions, .pills { justify-content: center; }
    .hero-art { order: -1; }
    .hero-art img { transform: rotate(-1.5deg); }
}

/* --- Personajes en fila (se mueven solos) --- */
.characters { overflow: hidden; padding: 12px 0 8px; }
.marquee { display: flex; gap: 16px; width: max-content; animation: slide 45s linear infinite; }
.marquee:hover { animation-play-state: paused; }
.character {
    flex: none;
    width: 130px;
    height: 130px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--c);
    border: 5px solid #fff;
    box-shadow: 0 5px 0 rgba(29, 53, 87, 0.15);
}
.character img { width: 88%; height: auto; }
@keyframes slide { to { transform: translateX(-50%); } }

/* --- Secciones --- */
.section { max-width: 1180px; margin: 0 auto; padding: 64px clamp(16px, 4vw, 40px); }
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.features .card { padding: 24px; border-top: 8px solid var(--c); }
.card-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: color-mix(in srgb, var(--c) 30%, white);
    font-size: 30px;
    margin-bottom: 12px;
}
.features h3 { font-size: 21px; font-weight: 900; margin-bottom: 6px; }
.features p { margin: 0; color: var(--ink-soft); font-weight: 600; }

/* --- Apúntate --- */
.join { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
.join h2 { text-align: left; }
.join-info > p { font-size: 19px; font-weight: 700; }
.steps { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 12px; }
.steps li { display: flex; align-items: center; gap: 14px; font-weight: 800; font-size: 18px; }
.steps b {
    flex: none;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #ffd60a;
    box-shadow: 0 4px 0 #c9a800;
    font-size: 20px;
}
@media (max-width: 860px) {
    .join { grid-template-columns: 1fr; }
    .join h2 { text-align: center; }
}

.form { padding: clamp(20px, 3vw, 32px); }
.form-body { display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 800; }
.form input:not([type="checkbox"]):not([type="radio"]), .form select {
    width: 100%;
    padding: 12px 14px;
    border: 3px solid #d7e3ef;
    border-radius: 16px;
    font: inherit;
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    background: #f8fbfe;
}
.form input:focus, .form select:focus { outline: none; border-color: var(--sea-3); background: #fff; }
.form small { font-weight: 600; color: var(--ink-soft); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .form .row { grid-template-columns: 1fr; } }
fieldset { border: none; padding: 0; margin: 0; }
legend { font-weight: 800; margin-bottom: 8px; padding: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: block !important; cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
    display: block;
    padding: 9px 14px;
    border: 3px solid #d7e3ef;
    border-radius: 999px;
    font-weight: 800;
    background: #f8fbfe;
}
.chip input:checked + span { border-color: var(--sea-3); background: #e4f3fc; }
.chip input:focus-visible + span { outline: 3px solid var(--sea-3); outline-offset: 2px; }
.check { grid-template-columns: auto 1fr; align-items: start; font-weight: 600 !important; font-size: 15px; }
.check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--green-dark); }
.trap { position: absolute; left: -9999px; }
.error { margin: 0; padding: 10px 14px; border-radius: 14px; background: #fff1f1; color: #c62828; font-weight: 800; }
.invalid { border-color: #ff8a80 !important; }

.form-done { text-align: center; padding: 20px 8px; }
.done-emoji { font-size: 72px; animation: pop 0.5s ease-out; }
.form-done h3 { font-size: 28px; font-weight: 900; margin: 8px 0; }
.form-done p { font-weight: 700; color: var(--ink-soft); margin: 0 0 20px; }
@keyframes pop { from { transform: scale(0.3); opacity: 0; } 70% { transform: scale(1.15); } to { transform: scale(1); } }

/* --- Preguntas --- */
.faq { max-width: 760px; }
.faq details {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 0 rgba(29, 53, 87, 0.12);
    margin-bottom: 12px;
    padding: 4px 20px;
}
.faq summary { cursor: pointer; font-weight: 900; font-size: 18px; padding: 14px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; float: right; }
.faq details[open] summary::after { content: "－"; }
.faq details p { margin: 0 0 16px; font-weight: 600; color: var(--ink-soft); }

/* --- Pie --- */
.footer { text-align: center; padding: 80px 16px 28px; font-weight: 800; }
.footer p { margin: 4px 0; position: relative; }
.sand {
    position: absolute;
    inset: 40px 0 0;
    background: var(--sand);
    border-radius: 50% 50% 0 0 / 40px 40px 0 0;
    z-index: -1;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
}

/* --- Páginas de texto legal (términos) --- */
.legal { max-width: 820px; margin: 0 auto; padding: 32px clamp(16px, 4vw, 40px) 24px; }
.legal .card { padding: clamp(22px, 4vw, 44px); }
.legal h1 { font-size: clamp(30px, 5vw, 42px); font-weight: 900; margin-bottom: 4px; }
.legal h2 { text-align: left; font-size: 22px; margin: 30px 0 8px; }
.legal p, .legal li { font-weight: 600; color: #2b4466; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.footer-links a { margin: 0 6px; }