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

:root {
    --primary-yellow: #FACC15;
    --primary-blue: #1E3A8A;
    --light-blue: #3B82F6;
    --dark-bg: #000000;
    --dark-secondary: #0f172a;
    --white: #FFFFFF;
    --white-70: rgba(255, 255, 255, 0.7);
    --white-60: rgba(255, 255, 255, 0.6);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(to bottom, var(--dark-secondary), var(--dark-bg));
    color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

.container-narrow {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 16px;
}

.container-nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ===== ANIMATIONS ===== */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(250, 204, 21, 0.4), 0 0 40px rgba(30, 58, 138, 0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(250, 204, 21, 0.6), 0 0 60px rgba(30, 58, 138, 0.3);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scaleInUp {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(30, 58, 138, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(250, 204, 21, 0.2);
    padding: 12px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo-img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(250, 204, 21, 0.4));
    transition: all 0.3s ease;
}

.nav-logo:hover .logo-img {
    filter: drop-shadow(0 0 25px rgba(250, 204, 21, 0.7));
    transform: scale(1.15);
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(30, 58, 138, 0.5);
    color: var(--primary-yellow);
    box-shadow: 0 0 15px rgba(250, 204, 21, 0.4);
}

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

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

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(to bottom, var(--dark-secondary), var(--dark-bg));
    margin-top: 120px;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 9999px;
    filter: blur(80px);
}

.hero::before {
    width: 384px;
    height: 384px;
    background-color: rgba(250, 204, 21, 0.1);
    top: 80px;
    left: 25%;
}

.hero::after {
    width: 384px;
    height: 384px;
    background-color: rgba(59, 130, 246, 0.1);
    bottom: 80px;
    right: 25%;
}

#particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.glow {
    position: absolute;
    border-radius: 9999px;
    filter: blur(80px);
}

.glow-1 {
    width: 384px;
    height: 384px;
    background-color: rgba(250, 204, 21, 0.1);
    top: 20%;
    left: 20%;
}

.glow-2 {
    width: 384px;
    height: 384px;
    background-color: rgba(30, 58, 138, 0.1);
    bottom: 20%;
    right: 15%;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 40px 20px;
    animation: slideIn 0.8s ease-out;
}

.hero-title {
    font-size: clamp(48px, 12vw, 140px);
    font-weight: 900;
    background: linear-gradient(to right, var(--primary-yellow), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    text-shadow: 0 0 40px rgba(250, 204, 21, 0.2);
    animation: slideIn 0.8s ease-out;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--white-70);
    margin-bottom: 16px;
    font-weight: 300;
    animation: slideIn 0.8s ease-out 0.2s backwards;
}

.hero-tagline {
    font-size: 18px;
    color: var(--primary-yellow);
    font-weight: 600;
    margin-bottom: 32px;
    animation: slideIn 0.8s ease-out 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideIn 0.8s ease-out 0.6s backwards;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-yellow);
    color: var(--primary-blue);
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.4);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(250, 204, 21, 0.8);
    animation: glow 2s ease-in-out infinite;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--light-blue);
    color: var(--light-blue);
}

.btn-secondary:hover {
    background-color: rgba(59, 130, 246, 0.2);
    transform: scale(1.05);
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-yellow);
    animation: float 2s ease-in-out infinite;
}

/* ===== SECTIONS STYLING ===== */
section {
    padding: 80px 0;
}

.page-section {
    margin-top: 60px;
    min-height: calc(100vh - 60px);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h1,
.section-header h2 {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(to right, var(--primary-yellow), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    animation: slideIn 0.6s ease-out;
}

.section-header p {
    font-size: 18px;
    color: var(--white-70);
    max-width: 600px;
    margin: 0 auto;
    animation: slideIn 0.6s ease-out 0.2s backwards;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-secondary));
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.about-card {
    padding: 32px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
    border: 1px solid rgba(250, 204, 21, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: scaleInUp 0.6s ease-out;
    position: relative;
}

.about-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(250, 204, 21, 0.5);
    box-shadow: 0 0 30px rgba(250, 204, 21, 0.2);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.about-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--white);
}

.about-card p {
    font-size: 16px;
    color: var(--white-70);
    line-height: 1.6;
}

.about-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(to right, var(--primary-yellow), var(--light-blue));
    transition: width 0.3s ease;
}

.about-card:hover::after {
    width: 100%;
}

.about-content {
    max-width: 800px;
    margin: 60px auto 0;
}

.about-content h2 {
    font-size: 32px;
    color: var(--primary-yellow);
    margin-top: 40px;
    margin-bottom: 16px;
}

.about-content p {
    font-size: 16px;
    color: var(--white-70);
    line-height: 1.8;
    margin-bottom: 32px;
}

.values-list {
    list-style: none;
    margin: 32px 0;
}

.values-list li {
    padding: 16px;
    margin: 12px 0;
    border-left: 4px solid var(--primary-yellow);
    background: rgba(30, 58, 138, 0.2);
    border-radius: 4px;
    color: var(--white-70);
    font-size: 16px;
    line-height: 1.6;
}

/* ===== ACTIVITIES SECTION ===== */
.activities {
    background: linear-gradient(to bottom, var(--dark-secondary), var(--dark-bg));
    position: relative;
}

.activities::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 384px;
    height: 384px;
    background-color: rgba(250, 204, 21, 0.05);
    border-radius: 9999px;
    filter: blur(80px);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.activity-card {
    position: relative;
    padding: 32px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.2) 0%, rgba(0, 0, 0, 0.2) 100%);
    border: 1px solid rgba(250, 204, 21, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: scaleInUp 0.6s ease-out;
    overflow: hidden;
}

.activity-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.activity-card:hover {
    transform: translateY(-15px) scale(1.05);
    border-color: rgba(250, 204, 21, 0.5);
    box-shadow: 0 0 40px rgba(250, 204, 21, 0.3);
}

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

.activity-icon {
    font-size: 56px;
    margin-bottom: 16px;
    transition: transform 0.3s ease;
}

.activity-card:hover .activity-icon {
    transform: scale(1.2);
}

.activity-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
    transition: color 0.3s ease;
}

.activity-card:hover h3 {
    color: var(--primary-yellow);
}

.activity-card p {
    font-size: 16px;
    color: var(--white-70);
    line-height: 1.6;
}

.activities-calendar {
    max-width: 800px;
    margin: 60px auto 0;
    padding: 40px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.1) 0%, rgba(30, 58, 138, 0.1) 100%);
    border: 1px solid rgba(250, 204, 21, 0.2);
    text-align: center;
}

.activities-calendar h2 {
    color: var(--primary-yellow);
    font-size: 28px;
    margin-bottom: 16px;
}

.activities-calendar p {
    color: var(--white-70);
}

/* ===== TEAM SECTION ===== */
.team {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-secondary));
    position: relative;
}

.team::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 25%;
    width: 384px;
    height: 384px;
    background-color: rgba(59, 130, 246, 0.05);
    border-radius: 9999px;
    filter: blur(80px);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.team-member {
    text-align: center;
    cursor: pointer;
    animation: scaleInUp 0.6s ease-out;
}

.member-avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto 24px;
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    border: 3px solid rgba(250, 204, 21, 0.6);
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.25);
    transition: all 0.3s ease;
    object-fit: cover;
}

.member-avatar-khadija {
    transform: scale(1.12);
}

.team-member:hover .member-avatar {
    transform: scale(1.1);
    border-color: var(--primary-yellow);
    box-shadow: 0 0 30px rgba(250, 204, 21, 0.4);
}

.team-member h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--white);
    transition: color 0.3s ease;
}

.team-member p {
    font-size: 16px;
    color: var(--white-70);
}

.team-member .role {
    font-weight: 600;
    color: var(--primary-yellow);
    margin: 4px 0;
}

.team-member .bio {
    font-size: 14px;
    color: var(--white-60);
    margin-top: 8px;
    line-height: 1.4;
}

.team-member:hover h3 {
    color: var(--primary-yellow);
}

/* ===== ANNOUNCEMENTS SECTION ===== */
.announcements {
    background: linear-gradient(to bottom, var(--dark-secondary), var(--dark-bg));
    position: relative;
}

.announcements::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    width: 384px;
    height: 384px;
    background-color: rgba(250, 204, 21, 0.05);
    border-radius: 9999px;
    filter: blur(80px);
    transform: translateY(-50%);
}

.announcements-list {
    display: grid;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.announcement-card {
    padding: 32px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.2) 0%, rgba(0, 0, 0, 0.2) 100%);
    border: 1px solid rgba(250, 204, 21, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: slideIn 0.6s ease-out;
}

.announcement-card:hover {
    transform: translateX(10px);
    border-color: rgba(250, 204, 21, 0.5);
    box-shadow: 0 0 30px rgba(250, 204, 21, 0.2);
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.announcement-category {
    padding: 6px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.announcement-category.event {
    background: linear-gradient(135deg, #FACC15, #FB923C);
}

.announcement-category.recruitment {
    background: linear-gradient(135deg, #22D3EE, #06B6D4);
}

.announcement-category.competition {
    background: linear-gradient(135deg, #A78BFA, #EC4899);
}

.announcement-category.webinar {
    background: linear-gradient(135deg, #4ADE80, #10B981);
}

.announcement-date {
    font-weight: 600;
    color: var(--primary-yellow);
}

.announcement-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--white);
}

.announcement-card p {
    font-size: 16px;
    color: var(--white-70);
    line-height: 1.6;
    margin-bottom: 12px;
}

.read-more {
    display: inline-block;
    color: var(--primary-yellow);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.read-more:hover {
    color: rgba(250, 204, 21, 0.8);
    transform: translateX(5px);
}

/* ===== JOIN SECTION ===== */
.join {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-secondary));
    position: relative;
}

.join::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 384px;
    height: 384px;
    background-color: rgba(250, 204, 21, 0.1);
    border-radius: 9999px;
    filter: blur(80px);
    transform: translate(-50%, -50%);
}

.join-form {
    position: relative;
    z-index: 10;
    padding: 40px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.3) 0%, rgba(0, 0, 0, 0.3) 100%);
    border: 1px solid rgba(250, 204, 21, 0.3);
    animation: slideIn 0.6s ease-out;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--white);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    background-color: rgba(30, 58, 138, 0.2);
    border: 1px solid rgba(250, 204, 21, 0.3);
    color: var(--white);
    font-family: inherit;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-yellow);
    background-color: rgba(30, 58, 138, 0.3);
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-note {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white-60);
    font-size: 14px;
    margin-top: 16px;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: linear-gradient(to bottom, var(--dark-secondary), var(--dark-bg));
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 384px;
    height: 384px;
    background-color: rgba(250, 204, 21, 0.05);
    border-radius: 9999px;
    filter: blur(80px);
}

.contact::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 384px;
    height: 384px;
    background-color: rgba(59, 130, 246, 0.05);
    border-radius: 9999px;
    filter: blur(80px);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.contact-method {
    position: relative;
    z-index: 10;
    padding: 32px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.2) 0%, rgba(0, 0, 0, 0.2) 100%);
    border: 1px solid rgba(250, 204, 21, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    animation: scaleInUp 0.6s ease-out;
}

.contact-method:hover {
    transform: scale(1.05);
    border-color: rgba(250, 204, 21, 0.5);
    box-shadow: 0 0 30px rgba(250, 204, 21, 0.2);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 16px;
    transition: transform 0.3s ease;
}

.contact-method:hover .contact-icon {
    transform: scale(1.25);
}

.contact-method h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--white);
}

.contact-method a,
.contact-method p {
    font-size: 16px;
    color: var(--primary-yellow);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-method a:hover {
    color: rgba(250, 204, 21, 0.8);
}

.socials {
    position: relative;
    z-index: 10;
    text-align: center;
}

.socials h3 {
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.social-link {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.2) 0%, rgba(30, 58, 138, 0.2) 100%);
    border: 1px solid rgba(250, 204, 21, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: scale(1.1) rotate(5deg);
    border-color: var(--primary-yellow);
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.4);
}

.social-icon {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid rgba(250, 204, 21, 0.2);
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(to right, var(--primary-yellow), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.footer-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.logo-img-footer {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(250, 204, 21, 0.4));
}

.footer-desc {
    font-size: 14px;
    color: var(--white-70);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
    color: var(--white-70);
    font-size: 14px;
}

.footer-section ul li a {
    color: var(--white-70);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-yellow);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(250, 204, 21, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--white-60);
}

.scroll-top {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.2) 0%, rgba(30, 58, 138, 0.2) 100%);
    border: 1px solid rgba(250, 204, 21, 0.3);
    color: var(--primary-yellow);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: none;
}

.scroll-top.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top:hover {
    transform: scale(1.1);
    border-color: var(--primary-yellow);
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.4);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--primary-yellow), var(--light-blue));
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, rgba(250, 204, 21, 0.8), rgba(59, 130, 246, 0.8));
    box-shadow: 0 0 10px rgba(250, 204, 21, 0.5);
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(30, 58, 138, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        display: none;
        gap: 16px;
    }

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

    .section-header h2 {
        font-size: 36px;
    }

    .hero-title {
        font-size: 48px;
    }

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

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .announcement-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    section {
        padding: 40px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .join-form {
        padding: 24px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-tagline {
        font-size: 16px;
    }
}