:root {
    --primary-blue: #005baa;
    --rotary-dark-blue: #00246c;
    --rotary-gold: #f7a81b;
    --rotary-gold-hover: #ffc14d;
    --rotary-sky-blue: #01b4e7;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #f8fafc;
    --bg-main: #f8fafc;
    --bg-light: #ffffff;
    --white: #ffffff;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 8px 32px 0 rgba(0, 36, 108, 0.08);
    --card-shadow: 0 10px 40px -10px rgba(0, 36, 108, 0.1);
    --card-shadow-hover: 0 20px 40px -5px rgba(0, 36, 108, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(at 0% 0%, hsla(210,100%,95%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(210,100%,95%,1) 0, transparent 50%);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.75rem;
    color: var(--rotary-dark-blue);
    margin-bottom: 0.75rem;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.underline {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--rotary-gold), var(--rotary-gold-hover));
    margin: 0 auto 1.5rem;
    border-radius: 4px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 99px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.9rem;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--rotary-sky-blue));
    color: var(--white);
    box-shadow: 0 4px 15px -3px rgba(1, 180, 231, 0.4), 0 4px 6px -4px rgba(1, 180, 231, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(1, 180, 231, 0.5), 0 8px 10px -6px rgba(1, 180, 231, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--rotary-gold), var(--rotary-gold-hover));
    color: var(--rotary-dark-blue);
    box-shadow: 0 4px 15px -3px rgba(247, 168, 27, 0.4), 0 4px 6px -4px rgba(247, 168, 27, 0.2);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(247, 168, 27, 0.5), 0 8px 10px -6px rgba(247, 168, 27, 0.3);
}

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1rem;
}

/* Top Bar */
.top-bar {
    background: var(--white);
    position: relative;
    z-index: 1001;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.top-bar-center {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.top-bar-left, .top-bar-right {
    color: var(--rotary-dark-blue);
    font-weight: 700;
    font-size: 1.2rem;
    padding: 0 10px;
}

.top-bar-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.top-bar-img:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 55px;
}

/* Navbar */
.navbar {
    position: absolute;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.02em;
}

.navbar.scrolled .logo {
    color: var(--rotary-dark-blue);
}

.logo span {
    color: var(--rotary-gold);
}

.logo .rotary-wheel {
    height: 40px;
    width: auto;
    display: block;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo:hover .rotary-wheel {
    transform: rotate(90deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links li a {
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.navbar.scrolled .nav-links li a:not(.btn-primary) {
    color: var(--text-dark);
}

.navbar.scrolled .nav-links li a:not(.btn-primary):hover {
    color: var(--primary-blue);
}

.nav-links li a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -6px;
    left: 0;
    background-color: var(--rotary-gold);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-links li a:not(.btn-primary):hover::after {
    width: 100%;
}

.menu-icon {
    display: none;
    font-size: 1.8rem;
    color: var(--white);
    cursor: pointer;
}

.navbar.scrolled .menu-icon {
    color: var(--rotary-dark-blue);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('assets/hero.jpg') center/cover no-repeat;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 36, 108, 0.9) 0%, rgba(0, 91, 170, 0.75) 100%);
    backdrop-filter: saturate(150%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 850px;
    color: var(--white);
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* Sections */
.section {
    padding: 8rem 0;
}

.bg-light {
    background-color: var(--bg-light);
    position: relative;
}

.bg-light::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.05), transparent);
}

/* Glassmorphism utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 20px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1.25rem;
}

.about-text p {
    margin-bottom: 2.5rem;
    font-size: 1.125rem;
    color: var(--text-muted);
}

.leadership-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.leader-card {
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.leader-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 36, 108, 0.12);
    border-color: rgba(255,255,255,0.9);
}

.leader-img {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto 1.25rem;
    border: 3px solid var(--white);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    display: block;
}

.leader-card h4 {
    color: var(--rotary-dark-blue);
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.leader-card .role {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.leader-card .contact {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.leader-card .contact i {
    color: var(--rotary-gold);
    margin-right: 5px;
}

.about-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.2);
    pointer-events: none;
}

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
}

.project-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--card-shadow-hover);
}

.project-img {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 36, 108, 0.9) 0%, rgba(0, 91, 170, 0.4) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(2px);
}

.project-card:hover .project-img img {
    transform: scale(1.08);
}

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

.project-info {
    padding: 2rem;
}

.project-info h3 {
    color: var(--rotary-dark-blue);
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
}

.project-info p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Events Section */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 850px;
    margin: 0 auto;
}

.event-item {
    display: flex;
    align-items: center;
    padding: 1.5rem 2rem;
    gap: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.event-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(to bottom, var(--rotary-gold), var(--rotary-gold-hover));
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.event-item:hover {
    transform: translateX(8px);
    box-shadow: 0 15px 35px rgba(0, 36, 108, 0.1);
}

.event-item:hover::before {
    transform: scaleY(1);
}

.event-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--rotary-dark-blue));
    color: var(--white);
    min-width: 90px;
    height: 90px;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0, 36, 108, 0.2);
}

.event-date .day {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.event-date .month {
    font-size: 0.95rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.event-details {
    flex-grow: 1;
}

.event-details h3 {
    color: var(--rotary-dark-blue);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.event-details p {
    color: var(--text-muted);
    font-size: 0.95rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.event-details p i {
    color: var(--primary-blue);
}

.event-action {
    flex-shrink: 0;
}

/* Footer */
.footer {
    background-color: var(--rotary-dark-blue);
    background-image: radial-gradient(circle at 100% 100%, #003380 0%, transparent 50%),
                      radial-gradient(circle at 0% 0%, #001f5c 0%, transparent 50%);
    color: var(--white);
    padding: 6rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--rotary-gold), var(--primary-blue), var(--rotary-sky-blue));
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-col p {
    color: #94a3b8;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--white);
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--rotary-gold);
    border-radius: 2px;
}

.footer-col ul li {
    margin-bottom: 1rem;
}

.footer-col ul li a {
    color: #94a3b8;
    transition: var(--transition);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--rotary-gold);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
}

.social-links a:hover {
    background: var(--rotary-gold);
    color: var(--rotary-dark-blue);
    border-color: var(--rotary-gold);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #64748b;
    font-size: 0.95rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 3rem;
        gap: 2rem;
        transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        box-shadow: 0 20px 30px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li a {
        color: var(--rotary-dark-blue);
        font-size: 1.25rem;
    }

    .menu-icon {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .event-item {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding: 2rem;
    }
    
    .event-details p {
        justify-content: center;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
}