/* ================================================
   RECICLAJE YACATZIN – Design System v2.0
   Official Brand Palette · Production Ready
   ================================================ */

:root {
    /* === Official Brand Colors === */
    --green: #6BCB3D;
    --green-hover: #4CAF50;
    --green-soft: #E8F7E8;
    --green-deep: #2D6A1F;

    --blue: #2F80ED;
    --blue-2: #56CCF2;
    --blue-dark: #1C4E80;
    --blue-soft: #EAF6FF;

    --pink: #F29BB2;
    --pink-soft: #FFE4EC;
    --gold: #FFD166;

    /* === Neutrals === */
    --bg: #F5F7FA;
    --surface: #FFFFFF;
    --surface-2: #F0F7F4;
    --text: #2D3748;
    --muted: #6B7280;
    --border: #E5E7EB;
    --line: #E5E7EB;

    /* === Gradients === */
    --grad-main: linear-gradient(135deg, #56CCF2, #6BCB3D);
    --grad-blue: linear-gradient(135deg, #2F80ED, #6BCB3D);
    --grad-green: linear-gradient(135deg, #6BCB3D, #4CAF50);

    /* === Shadows === */
    --shadow: 0 4px 24px rgba(0, 0, 0, .07);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, .11);
    --shadow-green: 0 6px 28px rgba(107, 203, 61, .32);
    --shadow-blue: 0 6px 28px rgba(47, 128, 237, .24);

    /* === Structure === */
    --radius: 16px;
    --radius-sm: 12px;
    --radius-lg: 24px;
    --radius-pill: 999px;
    --max: 1120px;
}

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

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Work Sans", system-ui, sans-serif;
    background:
        radial-gradient(ellipse 1100px 640px at 10% -5%, rgba(107, 203, 61, .14), transparent 60%),
        radial-gradient(ellipse 900px 620px at 92% 4%, rgba(86, 204, 242, .13), transparent 55%),
        radial-gradient(ellipse 600px 400px at 18% 94%, rgba(255, 209, 102, .16), transparent 58%),
        var(--bg);
    color: var(--text);
    line-height: 1.65;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 1px 1px, rgba(107, 203, 61, .07) 1px, transparent 0);
    background-size: 28px 28px;
    opacity: .65;
    z-index: 0;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: url('../img/fondo-pagina1.webp');
    background-size: cover;
    background-position: center;
    opacity: .13;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    z-index: 0;
}

h1,
h2,
h3,
h4 {
    font-family: "Space Grotesk", "Work Sans", sans-serif;
    letter-spacing: -.01em;
    line-height: 1.2;
}

/* ========= LAYOUT ========= */
.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem 3rem;
    position: relative;
    z-index: 1;
}

.logo {
    width: 100%;
    max-width: 420px;
    margin-bottom: 1.75rem;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, .25));
}

/* ========= CARD ========= */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem 2rem 2.5rem;
    max-width: 420px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.card-title {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--green-deep);
    margin: 0;
    text-align: center;
}

/* ========= MASCOT ========= */
.mascot {
    width: 130px;
    height: 130px;
    object-fit: contain;
    transition: opacity .3s;
    filter: drop-shadow(0 6px 16px rgba(107, 203, 61, .18));
}

/* ========= WEBCAM ========= */
#webcam-container canvas {
    border-radius: var(--radius);
    border: 3px solid var(--border);
    display: block;
}

/* ========= BUTTONS ========= */
.btn-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
}

.btn-start {
    background: var(--grad-main);
    color: #fff;
    font-family: "Work Sans", sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-pill);
    padding: .7rem 2.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-green);
    transition: opacity .2s;
    width: 100%;
}

.btn-start:hover {
    opacity: .85;
}

.btn-start:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.btn-stop {
    display: none;
    background: transparent;
    color: #C0392B;
    font-family: "Work Sans", sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    border: 2px solid #E74C3C;
    border-radius: var(--radius-pill);
    padding: .5rem 1.75rem;
    cursor: pointer;
    transition: background .2s, color .2s;
    width: 100%;
}

.btn-stop:hover {
    background: #FFF0F0;
}

/* ========= RESULT BOX ========= */
.result-box {
    width: 100%;
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    text-align: center;
    display: none;
}

.result-box.visible {
    display: block;
}

.result-box.pet {
    background: var(--green-soft);
    border: 2px solid var(--green);
}

.result-box.no-pet {
    background: #FFF0F0;
    border: 2px solid #E74C3C;
}

.result-label {
    display: block;
    font-family: "Work Sans", sans-serif;
    font-size: .85rem;
    font-weight: 500;
    margin-bottom: .25rem;
}

.result-box.pet .result-label {
    color: var(--green-deep);
}

.result-box.no-pet .result-label {
    color: #922B21;
}

.result-text {
    display: block;
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.9rem;
    font-weight: 700;
}

.result-box.pet .result-text {
    color: var(--green-deep);
}

.result-box.no-pet .result-text {
    color: #C0392B;
}

/* ========= FOOTER CARD ========= */
.footer-card {
    margin-top: 1.25rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: .75rem 1.5rem;
    max-width: 420px;
    width: 100%;
    text-align: center;
    color: var(--muted);
    font-size: .82rem;
}

.footer-card p {
    margin: 0;
    line-height: 1.6;
}

.footer-card strong {
    color: var(--green-deep);
    font-weight: 600;
}

.footer-card__links {
    margin-top: .25rem !important;
    font-size: .78rem;
}

.footer-card a {
    color: var(--green-deep);
    text-decoration: none;
    font-weight: 500;
    transition: color .15s;
}

.footer-card a:hover {
    color: var(--green);
}

.footer-card .beta-link {
    color: #946F00;
}

.footer-card .beta-link:hover {
    color: #B08A00;
}

/* ========= RESPONSIVE MOBILE ========= */
@media (max-width: 480px) {
    .page {
        padding: 1.25rem .75rem 2.5rem;
        align-items: center;
    }

    .logo {
        max-width: 260px;
        margin-bottom: 1.25rem;
    }

    .card {
        padding: 1.5rem 1.25rem 2rem;
    }

    .footer-card {
        padding: .6rem 1rem;
    }
}