* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* Paleta moderna y elegante: navy, coral y dorado */
    --bg-1: #f8fbfd;
    --bg-2: #f0f6fb;
    --primary: #0b2545;
    --primary-2: #132f5b;
    --accent: #ff6b6b;
    --gold: #f2c94c;
    --muted: #2b2b2b;
    --card: #ffffff;
    --card-border: #ececec;

    background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 100%);
    min-height: 100vh;
    color: var(--muted);
    text-align: center;
    margin: 0;
    padding: 0;
}

/* ===== HEADER ===== */
.gallery-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 25px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    position: sticky;
    top: 0;
    z-index: 100;
}

.gallery-header h1 {
    color: white;
    font-size: 2em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 2px;
    margin: 0;
}

.btn-regreso {
    position: absolute;
    left: 20px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--gold);
    padding: 11px 14px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-weight: bold;
}

.btn-regreso:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateX(-3px);
}

.btn-regreso svg {
    color: var(--gold);
    stroke-width: 2.5;
}

/* ===== CARRUSEL ===== */
.slider {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    overflow: hidden;
    border-radius: 14px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
    background: var(--card);
}

.slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slides img {
    flex: 0 0 100%;
    width: 100%;
    height: clamp(380px, 50vh, 900px);
    object-fit: cover;
    display: block;
}

/* ===== BOTONES DE NAVEGACIÓN ===== */
.prev,
.next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, rgba(11, 37, 69, 0.7) 0%, rgba(19, 47, 91, 0.7) 100%);
    color: white;
    border: none;
    padding: 14px 16px;
    cursor: pointer;
    font-size: 1.4em;
    border-radius: 8px;
    z-index: 10;
    transition: all 0.3s ease;
    font-weight: bold;
    backdrop-filter: blur(4px);
}

.prev {
    left: 15px;
}

.next {
    right: 15px;
}

.prev:hover,
.next:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.prev:active,
.next:active {
    transform: translateY(-50%) scale(0.95);
}

/* ===== INDICADORES (DOTS) ===== */
.dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    background: var(--card);
    flex-wrap: wrap;
}

.dots button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--card-border);
    background: rgba(242, 201, 76, 0.3);
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.dots button:hover {
    background: rgba(242, 201, 76, 0.6);
    border-color: var(--gold);
}

.dots button.active {
    background: var(--gold);
    border-color: var(--gold);
    box-shadow: 0 4px 12px rgba(242, 201, 76, 0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .gallery-header {
        padding: 20px 15px;
    }

    .gallery-header h1 {
        font-size: 1.6em;
    }

    .btn-regreso {
        left: 12px;
        padding: 10px 12px;
        font-size: 0.9em;
    }

    .slider {
        margin: 30px auto;
        border-radius: 12px;
    }

    .slides img {
        height: clamp(300px, 40vh, 600px);
    }

    /* En móviles, mantén los botones ajustados pero no les asignes ambos offsets a la vez */
    .prev,
    .next {
        padding: 12px 14px;
        font-size: 1.2em;
    }

    .prev { left: 10px; }
    .next { right: 10px; }

    .dots {
        padding: 15px;
        gap: 8px;
    }

    .dots button {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .gallery-header {
        padding: 15px 12px;
    }

    .gallery-header h1 {
        font-size: 1.3em;
        letter-spacing: 1.5px;
    }

    .btn-regreso {
        left: 8px;
        padding: 8px 10px;
        font-size: 0.8em;
    }

    .slider {
        margin: 20px auto;
        border-radius: 10px;
        max-width: 95%;
    }

    .slides img {
        height: clamp(220px, 35vh, 400px);
    }

    .prev,
    .next {
        padding: 10px 12px;
        font-size: 1em;
    }

    .dots {
        padding: 12px;
        gap: 6px;
    }

    .dots button {
        width: 8px;
        height: 8px;
    }

    .gallery-header {
        padding-top: 60px;
    }
}

@media (min-width: 1200px) {
    .slides img {
        height: clamp(600px, 70vh, 1000px);
    }
}