/* ============================================================
   PHOTO RANKING — GATE EN INDEX.HTML
   Estilos del botón "ranking" del footer + overlay de clave.
   Paleta y tipografía alineadas al universo "jotita" / hero.
   Aislados con prefijo .prg-* para no chocar con style.css
   ============================================================ */

/* Botón en el footer (mismo tamaño/peso que .btn-jotita) */
.prg-trigger {
    cursor: pointer;
    user-select: none;
    color: inherit;
    text-decoration: none;
    font: inherit;
    opacity: .85;
    transition: opacity .15s ease;
}
.prg-trigger:hover { opacity: 1; }

/* ============================================================
   OVERLAY (full-screen, paleta clara estilo kit-overlay)
   ============================================================ */
.prg-overlay {
    position: fixed;
    inset: 0;
    background-color: #dddddd;
    z-index: 10000;

    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;

    opacity: 0;
    visibility: hidden;
    transition: opacity .5s cubic-bezier(0.77, 0, 0.175, 1),
                visibility .5s cubic-bezier(0.77, 0, 0.175, 1);

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #202020;
}
.prg-overlay.prg-open {
    opacity: 1;
    visibility: visible;
}

/* Botón cerrar (X) — mismo lenguaje que .btn-cerrar-kit */
.prg-close {
    position: absolute;
    top: 30px;
    right: 40px;
    background: transparent;
    border: none;
    color: #202020;
    cursor: pointer;
    z-index: 10005;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    font: inherit;
}
.prg-close svg {
    width: 35px;
    height: 35px;
    transition: transform 0.3s ease;
}
@media (hover: hover) {
    .prg-close:hover svg { transform: rotate(90deg); }
}

/* ============================================================
   TARJETA CENTRAL
   ============================================================ */
.prg-card {
    width: 100%;
    max-width: 520px;
    padding: 0 24px;
    text-align: center;
    box-sizing: border-box;

    /* Animación de entrada cuando el overlay abre */
    opacity: 0;
    transform: translateY(30px);
    filter: blur(12px);
    transition: opacity 1.6s cubic-bezier(0.16, 1, 0.3, 1) .15s,
                transform 1.6s cubic-bezier(0.16, 1, 0.3, 1) .15s,
                filter   1.6s cubic-bezier(0.16, 1, 0.3, 1) .15s;
}
.prg-overlay.prg-open .prg-card {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

.prg-tag {
    font-family: 'Space Mono', 'Inter', monospace;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: #202020;
    margin-bottom: 60px;
    display: inline-block;
}

.prg-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    margin: 0 0 14px;
    color: #202020;
    text-transform: uppercase;
}

.prg-sub {
    font-size: 1rem;
    font-weight: 300;
    color: #555;
    line-height: 1.6;
    margin: 0 auto 50px;
    max-width: 420px;
}
.prg-sub b {
    font-weight: 500;
    color: #202020;
}

/* ============================================================
   FORMULARIO
   ============================================================ */
.prg-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    margin-bottom: 18px;
}

.prg-input {
    width: 100%;
    max-width: 320px;
    padding: 16px 22px;
    background: transparent;
    border: 1.5px solid #202020;
    border-radius: 50px;
    color: #202020;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 300;
    text-align: center;
    letter-spacing: 0.3em;
    box-sizing: border-box;
    transition: border-color .25s ease, background-color .25s ease;
    -webkit-appearance: none;
}
.prg-input::placeholder {
    color: #999;
    letter-spacing: 0.2em;
    font-style: italic;
    font-weight: 300;
    text-transform: lowercase;
}
.prg-input:focus {
    outline: none;
    background-color: #ffffff;
}

/* Botón "entrar" — mismo lenguaje que .btn-kit-start / .btn-projects */
.prg-btn {
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: inline-block;
    padding: 15px 50px;
    border: 2px solid #202020;
    border-radius: 25px;
    background-color: transparent;
    color: #202020;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 300;
    font-style: italic;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1),
                color 0.6s ease,
                box-shadow 0.6s ease;
}
.prg-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background-color: #202020;
    transition: left 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: -1;
}
@media (hover: hover) {
    .prg-btn:hover {
        color: #dddddd;
        transform: translateY(-5px);
        box-shadow: 0 15px 25px rgba(32, 32, 32, 0.2);
    }
    .prg-btn:hover::before { left: 0; }
}
.prg-btn:active {
    transform: scale(0.96);
    opacity: 0.8;
}

/* Mensaje de error (aparece debajo del botón) */
.prg-error {
    font-family: 'Space Mono', 'Inter', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #c44;
    margin: 18px 0 0;
}
.prg-error[hidden] { display: none; }
.prg-error.prg-shake {
    animation: prg-shake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* Sacudón aplicado a la tarjeta entera al equivocarse */
.prg-card.prg-wrong {
    animation: prg-shake-card 0.55s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes prg-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}
@keyframes prg-shake-card {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-12px); }
    30% { transform: translateX(12px); }
    45% { transform: translateX(-9px); }
    60% { transform: translateX(9px); }
    75% { transform: translateX(-5px); }
    90% { transform: translateX(5px); }
}

/* Hint inferior (volver / ayuda) */
.prg-hint {
    margin-top: 32px;
    font-family: 'Space Mono', 'Inter', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #999;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 600px) {
    .prg-close { top: 20px; right: 20px; }
    .prg-close svg { width: 28px; height: 28px; }
    .prg-tag { font-size: 0.85rem; letter-spacing: 3px; margin-bottom: 40px; }
    .prg-title { font-size: 1.4rem; }
    .prg-sub { font-size: 0.88rem; margin-bottom: 36px; }
    .prg-input { font-size: 0.85rem; padding: 14px 18px; }
    .prg-btn { padding: 13px 40px; font-size: 0.82rem; }
}