/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.8;
    background-color: #ffffff;
    color: #2d3748;
    font-size: clamp(16px, 1.2vw, 18px);
}

/* Container for consistent spacing */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
}

/* Section spacing */
section {
    padding: clamp(4rem, 10vw, 8rem) 0;
}

/* Navigation */
header {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
}

/* Mobile menu toggle (hamburger) */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    width: 32px;
    height: 24px;
    position: relative;
    cursor: pointer;
}

.menu-toggle span {
    position: absolute;
    left: 0;
    right: 0;
    height: 3px;
    background: #2d3748;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease, top 0.25s ease;
}

.menu-toggle span:nth-child(1) { top: 2px; }
.menu-toggle span:nth-child(2) { top: 10px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    top: 10px;
    transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    top: 10px;
    transform: rotate(-45deg);
}

.nav-links {
    display: flex;
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.nav-links a {
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #3182ce;
}

/* Hero section */
.hero {
    background: linear-gradient(rgba(1, 1, 23, 0.259) 60%, rgba(255, 255, 255, 0), rgb(255, 255, 255)90%),
                url('/images/banner.jpg') no-repeat center center/cover;
    padding: 8rem 2rem;
    text-align: center;
    
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: #f0f0f0;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.5rem;
    color: #f0f0f0;
    margin-bottom: 1.5rem;
}

.cta-button {
    background: #3182ce;
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, background 0.2s;
    display: inline-block;
}

.cta-button:hover {
    background: #2c5282;
    transform: translateY(-2px);
}

/* Activities section */
.activities {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: clamp(2rem, 4vw, 3rem);
    margin-top: 3rem;
}

.activity-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
    height: 100%;
}

.activity-card:hover {
    transform: translateY(-5px);
}

.activity-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.activity-card h3 {
    padding: 1.5rem 1.5rem 1rem;
}

.activity-card p {
    padding: 0 1.5rem 1.5rem;
    margin-bottom: 0;
}

/* Membership section */
.membership {
    background-color: #f7fafc;
    padding: 6rem 2rem;
}

.membership-options {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.membership-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* Contact section */
.contact {
    max-width: 800px;
    margin: 6rem auto;
    padding: 0 2rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.contact-form button {
    background: #3182ce;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

/* Footer */
footer {
    background-color: #f7fafc;
    padding: 2rem;
    text-align: center;
    color: #4a5568;
}

/* Responsive design */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }
    
    .activity-card {
        margin: 0;
    }
}

/* Typography improvements */
h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.2;
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* List spacing */
ul, ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
    list-style-type: none;
}

li {
    margin-bottom: 0.75rem;
}

/* about sections */
.about {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
}

.about p {
    margin-bottom: 2rem;
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    line-height: 1.8;
    color: #4a5568;
}
/* subpage-grid sections */
.subpage-grid {
    max-width: 2500px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
    
}

.subpage-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
}

.subpage-card h3 {
    margin-bottom: 1rem;
}
.subpage-card img {
    margin-bottom: 1rem;
    border-radius: 12px;
}
.subpage-grid p {
    margin-bottom: 2rem;
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    line-height: 1.8;
    color: #4a5568;
}

/* Content sections */
.content-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem clamp(1.5rem, 5vw, 4rem);
}

.content-section p {
    margin-bottom: 1.5rem;
}