:root {
    /* Light Mode Colors */
    --bg-primary-light: #ffffff;
    --bg-secondary-light: #f5f5f5;
    --card-bg-light: rgba(255, 255, 255, 0.95);
    --card-bg-alt-light: rgba(245, 245, 250, 0.95);
    --text-primary-light: #1a1a1a;
    --text-secondary-light: #555555;
    --accent-light: #ffb300;
    --accent-gradient-light: linear-gradient(135deg, #ffb300, #ffa000);
    --border-light: rgba(255, 179, 0, 0.3);
    --shadow-light: 0 10px 40px rgba(0, 0, 0, 0.1);
    --glow-light: rgba(255, 179, 0, 0.4);
    /* Dark Mode Colors */
    --bg-primary-dark: #0a0a0a;
    --bg-secondary-dark: #12121b;
    --card-bg-dark: rgba(26, 26, 46, 0.95);
    --card-bg-alt-dark: rgba(15, 15, 25, 0.95);
    --text-primary-dark: #ffffff;
    --text-secondary-dark: #888888;
    --accent-dark: #f9a825;
    --accent-gradient-dark: linear-gradient(135deg, #f9a825, #ff8c00);
    --border-dark: rgba(249, 168, 37, 0.16);
    --shadow-dark: 0 20px 60px rgba(2, 2, 10, 0.6);
    --glow-dark: rgba(249, 168, 37, 0.45);
    /* Default to Dark Mode */
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --card-bg: var(--card-bg-dark);
    --card-bg-alt: var(--card-bg-alt-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --accent: var(--accent-dark);
    --accent-gradient: var(--accent-gradient-dark);
    --border: var(--border-dark);
    --shadow: var(--shadow-dark);
    --glow: var(--glow-dark);
    --radius: 14px;
    --transition-duration: 0.35s;
}

/* Light Mode Override */
body[data-theme='light'] {
    --bg-primary: var(--bg-primary-light);
    --bg-secondary: var(--bg-secondary-light);
    --card-bg: var(--card-bg-light);
    --card-bg-alt: var(--card-bg-alt-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --accent: var(--accent-light);
    --accent-gradient: var(--accent-gradient-light);
    --border: var(--border-light);
    --shadow: var(--shadow-light);
    --glow: var(--glow-light);
}

/* Container */
.about-page {
    padding-top: 0;
    background: var(--bg-primary);
    min-height: 100vh;
    transition: background 0.3s ease;
}

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

/* Animate fade-in */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}

    [data-aos].aos-animate {
        opacity: 1;
        transform: translateY(0);
    }

/* ==================== HERO 70 YEARS SECTION ==================== */
.hero-anniversary {
    position: relative;
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%23333" width="1200" height="800"/></svg>');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}

/* Animated Particles */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    animation: float 6s infinite ease-in-out;
    opacity: 0.6;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }

    50% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-100vh) translateX(50px);
        opacity: 0;
    }
}

.anniversary-badge {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease, pulse 2s infinite ease-in-out 1s;
    position: relative;
    z-index: 10;
}

.anniversary-number {
    font-size: clamp(6rem, 15vw, 10rem);
    font-weight: bold;
    color: var(--accent);
    line-height: 1;
    text-shadow: 0 4px 20px var(--glow);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 20px var(--glow));
    }

    50% {
        filter: drop-shadow(0 0 40px var(--glow));
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.est-year {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: white;
    margin-top: -1rem;
    letter-spacing: 2px;
}

.tagline {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    color: var(--accent);
    text-align: center;
    max-width: 600px;
    line-height: 1.4;
    animation: fadeInUp 1s ease 0.3s both;
    position: relative;
    z-index: 10;
    padding: 0 1rem;
}

/* ==================== HERO INTRO SECTION ==================== */
.hero-intro {
    padding: 100px 0 80px;
    position: relative;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 0 70px var(--glow);
    background: var(--bg-primary);
}

.hero-inner {
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.hero-text {
    flex: 1 1 560px;
    min-width: 300px;
}

.hero-eyebrow {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    user-select: none;
}

.hero-title {
    font-size: clamp(28px, 4.5vw, 48px);
    font-weight: 800;
    line-height: 1.02;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 25px rgba(0,0,0,0.4);
    user-select: none;
}

.hero-lead {
    font-size: 1.1rem;
    margin-top: 18px;
    max-width: 780px;
    line-height: 1.6;
    user-select: text;
    color: var(--text-secondary);
}

/* CTA Buttons */
.hero-ctas {
    margin-top: 28px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--accent-gradient);
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: 0 10px 40px var(--glow);
    border: none;
    color: #111;
    cursor: pointer;
    transition: transform var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
    user-select: none;
    text-decoration: none;
    display: inline-block;
}

    .btn-primary:hover, .btn-primary:focus {
        transform: translateY(-5px);
        box-shadow: 0 20px 60px var(--glow);
        outline: none;
    }

.btn-outline {
    background: transparent;
    padding: 14px 26px;
    border-radius: 999px;
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: color var(--transition-duration) ease, border-color var(--transition-duration) ease;
    user-select: none;
    text-decoration: none;
    display: inline-block;
}

    .btn-outline:hover, .btn-outline:focus {
        color: var(--accent);
        border-color: var(--accent);
        outline: none;
    }

/* HERO VISUAL (card cluster) */
.hero-visual {
    flex: 0 1 360px;
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: center;
    min-width: 260px;
    perspective: 900px;
}

.visual-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
}

.card-visual {
    background: var(--card-bg-alt);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px 16px;
    min-width: 160px;
    box-shadow: 0 15px 45px var(--glow);
    transform-origin: center;
    transition: transform var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
    cursor: default;
    user-select: none;
    backface-visibility: hidden;
}

    .card-visual:hover {
        transform: translateY(-14px) rotateX(8deg) rotateY(12deg);
        box-shadow: 0 40px 120px var(--glow);
    }

.v-title {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 1.15rem;
}

.v-sub {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==================== SECTION CARDS ==================== */
.section-area {
    padding: 80px 0;
    background: var(--bg-primary);
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    align-items: stretch;
}

.section-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 36px 32px;
    border: 1.5px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
    user-select: text;
}

    .section-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 40px 110px var(--glow);
    }

    .section-card h3 {
        font-size: 1.6rem;
        margin-bottom: 16px;
        color: var(--accent);
        user-select: none;
    }

    .section-card p {
        line-height: 1.8;
        color: var(--text-secondary);
    }

/* ==================== TIMELINE SECTION ==================== */
.timeline-section {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    padding: 4rem 2rem;
    min-height: 100vh;
    transition: background 0.3s ease;
}

.timeline-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease;
}

    .timeline-header h2 {
        font-size: clamp(2rem, 5vw, 3rem);
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
        color: var(--text-primary);
    }

.clock-icon {
    width: 50px;
    height: 50px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.timeline-description {
    max-width: 900px;
    margin: 0 auto;
    font-size: clamp(1rem, 2vw, 1.1rem);
    line-height: 1.8;
    color: var(--text-secondary);
}

.timeline-container {
    max-width: 1200px;
    margin: 4rem auto;
    position: relative;
}

.timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--accent-gradient);
    box-shadow: 0 0 20px var(--glow);
}

.timeline-item {
    display: flex;
    margin-bottom: 4rem;
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

    .timeline-item:nth-child(1) {
        animation-delay: 0.2s;
    }

    .timeline-item:nth-child(2) {
        animation-delay: 0.4s;
    }

    .timeline-item:nth-child(3) {
        animation-delay: 0.6s;
    }

    .timeline-item:nth-child(4) {
        animation-delay: 0.8s;
    }

    .timeline-item:nth-child(5) {
        animation-delay: 1s;
    }

    .timeline-item:nth-child(6) {
        animation-delay: 1.2s;
    }

    .timeline-item.left {
        justify-content: flex-end;
        padding-right: calc(50% + 60px);
    }

    .timeline-item.right {
        justify-content: flex-start;
        padding-left: calc(50% + 60px);
    }

.timeline-badge {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 70px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    border: 5px solid var(--bg-primary);
    box-shadow: 0 0 20px var(--glow);
    z-index: 2;
    color: #1a1a1a;
    transition: transform 0.3s ease;
}

.timeline-item:hover .timeline-badge {
    transform: translateX(-50%) scale(1.2) rotate(360deg);
}

.timeline-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    max-width: 500px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .timeline-card:hover {
        transform: translateY(-10px) scale(1.02);
        box-shadow: 0 20px 60px var(--glow);
    }

.timeline-image {
    width: 100%;
    height: 200px;
    background: #555;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

    .timeline-image::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, var(--glow), transparent);
        animation: shimmer 2s infinite;
    }

@keyframes shimmer {
    to {
        left: 100%;
    }
}

.timeline-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(50%);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.timeline-card:hover .timeline-image img {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.timeline-card h3 {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    margin-bottom: 1rem;
    color: var(--accent);
}

.timeline-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.read-more-btn {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 0.8rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

    .read-more-btn:hover {
        background: var(--accent);
        color: #1a1a1a;
        transform: translateX(5px);
    }

/* ==================== LEADERSHIP ==================== */
.leadership {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.01), transparent 40%);
    border-top: 1.5px solid var(--border);
}

.leaders-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.leader-card {
    background: var(--card-bg-alt);
    border-radius: 16px;
    padding: 22px 20px;
    text-align: center;
    border: 1.5px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform var(--transition-duration) ease;
    user-select: text;
}

    .leader-card:hover {
        transform: translateY(-8px) scale(1.03);
        box-shadow: 0 30px 90px var(--glow);
    }

.leader-avatar {
    width: 120px;
    height: 120px;
    border-radius: 999px;
    overflow: hidden;
    margin: 0 auto 14px;
    border: 4px solid rgba(255, 215, 0, 0.09);
    box-shadow: 0 10px 35px rgba(0,0,0,0.7);
}

    .leader-avatar img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

.leader-name {
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.leader-role {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
}

/* ==================== STATS ==================== */
.stats-section {
    padding: 4rem 2rem;
    background: var(--bg-primary);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 2rem auto;
}

.stat-card {
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.3s ease;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

    .stat-card:nth-child(1) {
        animation-delay: 0.2s;
    }

    .stat-card:nth-child(2) {
        animation-delay: 0.4s;
    }

    .stat-card:nth-child(3) {
        animation-delay: 0.6s;
    }

    .stat-card:nth-child(4) {
        animation-delay: 0.8s;
    }

    .stat-card:hover {
        transform: translateY(-10px) scale(1.05);
    }

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==================== PARTNERS ==================== */
.partners {
    padding: 60px 0;
    background: var(--bg-primary);
}

.partners-strip {
    display: flex;
    gap: 24px;
    align-items: center;
    overflow: hidden;
    flex-wrap: wrap;
    justify-content: center;
}

.partner-logo {
    filter: grayscale(1) opacity(0.6);
    transition: filter 0.3s ease, transform 0.3s ease;
    max-height: 100px;
    background: transparent;
    padding: 10px;
    border-radius: 10px;
    cursor: default;
}

    .partner-logo:hover, .partner-logo:focus {
        filter: none;
        transform: translateY(-8px) scale(1.04);
        filter: drop-shadow(0 10px 25px var(--glow));
        outline: none;
    }

/* ==================== JOIN CTA ==================== */
.join-cta {
    padding: 80px 0;
    background: linear-gradient(90deg, var(--glow) 10%, transparent 30%);
    border-top: 1.5px solid var(--border);
    text-align: center;
    border-radius: 16px;
    margin: 48px 0 32px;
}

    .join-cta h3 {
        font-size: 1.9rem;
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 16px;
        user-select: none;
    }

    .join-cta p {
        color: var(--text-secondary);
        margin-bottom: 28px;
        font-weight: 600;
        user-select: text;
    }

/* Keyframes */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

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

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

/* RESPONSIVE */
@media (max-width: 992px) {
    .section-grid {
        grid-template-columns: 1fr;
    }

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

    .timeline-line {
        left: 30px;
    }

    .timeline-badge {
        left: 30px;
    }

    .timeline-item.left,
    .timeline-item.right {
        padding-left: 100px;
        padding-right: 1rem;
    }
}

@media (max-width: 576px) {
    .leaders-grid {
        grid-template-columns: 1fr;
    }

    .hero-inner {
        flex-direction: column-reverse;
        gap: 24px;
    }

    .hero-visual {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .timeline-line {
        display: none;
    }
}