:root {
    --color-bg: #0f1012;
    --color-surface: #1a1c20;
    --color-text-main: #f0f0f0;
    --color-text-muted: #a0a0a0;
    --color-accent: #ccff00;
    /* Lime green for energetic sporty feel */
    --color-accent-hover: #b3e600;
    --color-border: #333;

    --font-main: 'Outfit', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --border-radius: 8px;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography styles */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    /* display: inline-block; and transform removed to avoid conflict with animations */
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin: var(--spacing-xs) auto 0;
    border-radius: 2px;
}

.subsection-title {
    text-align: center;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: 1.8rem;
}

.highlight {
    color: var(--color-accent);
}

.dot {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 700;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--color-text-main);
    background: transparent;
    color: var(--color-text-main);
}

.btn-outline:hover {
    background: var(--color-text-main);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(15, 16, 18, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1px;
    transition: transform 0.3s ease, color 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a:not(.btn) {
    font-weight: 400;
    color: var(--color-text-muted);
}

.nav-links a:not(.btn):hover {
    color: var(--color-accent);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.bar {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-main);
    transition: 0.3s;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav a {
    padding: var(--spacing-sm);
    display: block;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav.active {
    display: flex;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1517836357463-d25dfeac3438?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    /* Placeholder Gym/Sport Image */
    background-size: cover;
    background-position: center;
    margin-top: -80px;
    /* Offset navbar */
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(15, 16, 18, 0.7), var(--color-bg));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* About / Founders / Members */
.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.founder-card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.founder-image {
    width: 150px;
    height: 150px;
    background-color: #333;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--color-accent);
}

.placeholder-img {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-muted);
}

.founder-card .role {
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.founder-card p {
    color: var(--color-text-muted);
}

.members-section {
    text-align: center;
}

.members-intro {
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-text-muted);
}

.members-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.member-item {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: all 0.3s ease;
    cursor: default;
}

.member-item:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(204, 255, 0, 0.05);
    transform: translateY(-2px);
}

/* Cards & Grid */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.card h3 {
    margin-bottom: var(--spacing-xs);
}

.card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Events */
.event-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.event-date {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: var(--border-radius);
    text-align: center;
    min-width: 70px;
}

.event-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.event-date .month {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
}

.event-meta {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 8px;
}

/* Past Events */
.past-event {
    opacity: 0.7;
    filter: grayscale(0.8);
    transition: 0.3s;
}

.past-event:hover {
    opacity: 1;
    filter: grayscale(0);
}

.past-event .event-date .day {
    color: var(--color-text-muted);
}

/* Membership */
.membership-box {
    background: linear-gradient(135deg, var(--color-surface), rgba(204, 255, 0, 0.05));
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.benefits-list {
    margin: var(--spacing-md) 0;
    text-align: left;
    display: inline-block;
}

.benefits-list li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.form-placeholder {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
}

.form-placeholder p {
    margin-bottom: var(--spacing-sm);
    font-style: italic;
    color: var(--color-text-muted);
}

/* Footer */
.footer {
    background-color: var(--color-surface);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: var(--spacing-sm);
}

.footer-col p {
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    color: var(--color-text-muted);
}

.social-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .about-grid,
    .founders-grid {
        grid-template-columns: 1fr;
    }

    .hero-content {
        text-align: center;
        margin: 0 auto;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }
}

/* --- New UX/UI Effects --- */

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delayed {
    transition-delay: 0.2s;
}

/* Staggered delays for child elements (handled via JS or nth-child) */
.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

/* Hero Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    animation: fadeInUp 1s ease-out forwards;
}

.hero-subtitle {
    animation: fadeInUp 1s ease-out 0.3s forwards;
    opacity: 0;
    /* Final state handled by animation, initial by this */
}

.hero-actions {
    animation: fadeInUp 1s ease-out 0.6s forwards;
    opacity: 0;
}

/* Enhanced Buttons */
.btn-primary {
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(204, 255, 0, 0.4);
    transform: translateY(-2px) scale(1.02);
}

/* Enhanced Cards */
.card {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--color-accent);
}

/* Founder Card Enhance */
.founder-card {
    transition: transform 0.3s ease;
}

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

.founder-image {
    transition: transform 0.5s ease, border-color 0.3s ease;
}

.founder-card:hover .founder-image {
    transform: scale(1.05);
    border-color: #fff;
}