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

:root {
    --primary-blue: #2c5f8d;
    --light-blue: #4a90c2;
    --lighter-blue: #e8f4f8;
    --dark-blue: #1a3d5c;
    --accent-blue: #5ca3d8;
    --text-dark: #2d3748;
    --text-light: #4a5568;
    --white: #ffffff;
    --light-gray: #f7fafc;
    --border-gray: #e2e8f0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 50px;
    width: auto;
    border-radius: 50%;
}

.brand-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--light-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--light-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: var(--white);
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
    animation: slideInLeft 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 25px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 35px;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Carousel */
.hero-carousel {
    animation: slideInRight 1s ease;
}

.carousel-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-blue);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.carousel-btn:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 15px;
}

.carousel-btn.next {
    right: 15px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
    padding: 80px 20px;
    animation: fadeIn 0.8s ease;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-blue);
    animation: fadeInUp 0.8s ease;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 50px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.bg-light {
    background: var(--light-gray);
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
}

.text-white {
    color: var(--white);
}

/* About Section */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.9;
    animation: fadeIn 1s ease;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.team-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: scaleIn 0.6s ease;
}

.team-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(44, 95, 141, 0.2);
}

.team-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

.team-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-card:hover .team-image {
    transform: scale(1.1);
}

.team-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(44, 95, 141, 0.9));
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.team-quote {
    color: var(--white);
    font-style: italic;
    font-size: 0.95rem;
    margin: 0;
}

.team-info {
    padding: 25px;
    text-align: center;
}

.team-name {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-weight: 600;
}

.team-role {
    font-size: 1rem;
    color: var(--light-blue);
    font-weight: 600;
    margin-bottom: 5px;
}

.team-department {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Vision & Mission */
.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.card p {
    color: var(--text-light);
    margin-bottom: 15px;
}

/* Theme Section */
.theme-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.9;
}



.highlight-box {
    background: linear-gradient(135deg, var(--lighter-blue) 0%, rgba(74, 144, 194, 0.1) 100%);
    border-left: 4px solid var(--light-blue);
    padding: 30px;
    margin: 40px 0;
    border-radius: 10px;
}

.highlight-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 0;
    font-style: italic;
}

/* Activities Section */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.activity-card {
    background: var(--white);
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid var(--light-blue);
}

.activity-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.activity-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--accent-blue) 100%);
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.activity-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.activity-desc {
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 500;
}

.activity-card p {
    color: var(--text-light);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

/* Community Section */
.community-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.9;
}



/* Pledge Section */
.pledge-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.pledge-content > p {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.pledge-box {
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.pledge-box h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 25px;
}

.pledge-box p {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.pledge-reminder {
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-top: 30px;
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    aspect-ratio: 1;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
    transform: scale(1.15);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(44, 95, 141, 0.95), transparent);
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay p {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

/* Impact Section */
.impact-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.9;
}

.impact-content p {
    margin-bottom: 25px;
}

/* Contact Section */
.contact-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-content > p {
    font-size: 1.1rem;
    margin-bottom: 50px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.contact-item {
    background: var(--lighter-blue);
    padding: 35px;
    border-radius: 15px;
    transition: all 0.3s ease;
    text-align: center;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(44, 95, 141, 0.15);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.contact-item h4 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.contact-item a {
    color: var(--light-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--primary-blue);
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 50px 20px 30px;
    text-align: center;
}

.footer p {
    max-width: 900px;
    margin: 0 auto 20px;
    line-height: 1.8;
    opacity: 0.9;
}

.footer-tagline {
    font-weight: 600;
    font-size: 1.1rem;
    margin: 30px auto;
}

.footer-copyright {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Smooth Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 30px 0;
        gap: 20px;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content {
        text-align: center;
    }

    .carousel-container {
        margin: 0 auto;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .vision-mission-grid,
    .activities-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .card,
    .activity-card {
        padding: 30px;
    }

    .pledge-box {
        padding: 35px 25px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .brand-name {
        font-size: 1.1rem;
    }

    .logo {
        height: 40px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .carousel-btn.prev {
        left: 10px;
    }

    .carousel-btn.next {
        right: 10px;
    }
}

/* Additional Smooth Animations */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.card,
.activity-card,
.team-card,
.gallery-item {
    will-change: transform;
}

/* Navbar scroll animation */
.navbar {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Add stagger animation delays */
.activity-card:nth-child(1) { animation-delay: 0.1s; }
.activity-card:nth-child(2) { animation-delay: 0.2s; }
.activity-card:nth-child(3) { animation-delay: 0.3s; }
.activity-card:nth-child(4) { animation-delay: 0.4s; }
.activity-card:nth-child(5) { animation-delay: 0.5s; }
.activity-card:nth-child(6) { animation-delay: 0.6s; }

.team-card:nth-child(1) { animation-delay: 0.1s; }
.team-card:nth-child(2) { animation-delay: 0.2s; }
.team-card:nth-child(3) { animation-delay: 0.3s; }
.team-card:nth-child(4) { animation-delay: 0.4s; }