/*
===================================================
CSS VARIABLES & BASE STYLES
===================================================
*/
:root {
    --primary-blue: #0A3D62;
    --secondary-blue: #1C658C;
    --light-blue: #D4F1F4;
    --white: #FFFFFF;
    --text-dark: #333333;
    --gradient-start: #0077B6;
    --gradient-end: #00A8E8;
    --card-transition: 0.3s ease-in-out;
    --card-radius: 12px;
    --spacing-lg: 40px;
    --spacing-md: 20px;
    --side-margin: 10px; /* New: Specific margin for the main container */
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: var(--primary-blue);
}

/*
===================================================
NAVIGATION & HERO (Full Width)
===================================================
*/

/* HERO SECTION */
.hero {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--white);
    text-align: center;
    padding: 50px;
    font-size: 25px;
    font-weight: bolder;
}

.hero h1 {
    font-size: 35px;
    font-weight: 900;
    font-family: 'Black Ops One', cursive;
}

/*
===================================================
MAIN CONTENT & CAROUSEL LAYOUT
===================================================
*/
.activities-container {
    width: 100%;
    /* Uses 10px margin on both sides as requested */
    padding: 0 var(--side-margin);
    max-width: none; /* Override max-width to ensure full screen usage */
    margin: 0 auto;
}

.category-section {
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(180deg, var(--light-blue) 0%, rgba(212, 241, 244, 0) 100%);
    border-radius: var(--card-radius);
    padding-bottom: calc(var(--spacing-lg) + 50px);
    /* The side padding for the activity-slider is now managed inside the swiper container */
}

.category-section h2 {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    position: relative;
}

/*
===================================================
SWIPER.JS CUSTOM STYLES
===================================================
*/
.activity-slider {
    /* Now, the padding inside the container ensures arrows/content are visible */
    padding: 0 60px;
    width: 100%;
    padding-bottom: 40px;
}

.swiper-button-next, .swiper-button-prev {
    display: none !important;
}

/*
===================================================
CARD DESIGN (Maintained)
===================================================
*/
.activity-card {
    background-color: var(--white);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: transform var(--card-transition), box-shadow var(--card-transition);
    width: 100%;
}

.activity-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.card-image-container {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.card-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.activity-card:hover img {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--card-transition);
    text-align: center;
    padding: var(--spacing-md);
}

.activity-card:hover .card-overlay {
    opacity: 1;
}

.card-overlay h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.view-gallery-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--secondary-blue);
    color: var(--white);
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.2s;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
}

.card-content {
    padding: 15px;
    text-align: center;
}

.card-content h3 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

/* Mobile Layout (Max 767px) */
@media (max-width: 767px) {
    .navbar-links { display: none; }
    .hamburger { display: block; }
    .hero { padding: 60px 10px; }
    .activities-container { padding: 0 var(--side-margin); }

    /* Swiper adjustment for very small screens */
    .activity-slider {
        padding: 0 10px;
    }
    .swiper-button-next, .swiper-button-prev {
        display: none !important; /* Hide arrows on smallest screens */
    }
    .card-overlay { display: none; }
    .card-content { display: block; }
}

/* Footer */