/* === Professional Color Palette === */
:root {
  --primary-bg: #1B2A4E;
  --card-bg: #0099CC;
  --accent: #F4B400;
  --text-dark-bg: #FFFFFF;
  --text-light-bg: #333333;
  --highlight: #00BFFF;
  --button-hover: #283593;
}

body {
    font-family: 'Inter', 'Poppins', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--primary-bg);
    color: var(--text-dark-bg);
    overflow-x: hidden;
    padding-top: 76px; /* Adjust to match header height */
}
html {
    overflow-x: hidden;
}
header {
    background: var(--primary-bg);
    color: var(--text-dark-bg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1100;
}
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 2rem;
    position: relative;
    background: var(--primary-bg);
}
.navbar-left {
    display: flex;
    align-items: center;
}
.navbar-logo {
    height: 38px;
    width: auto;
    vertical-align: middle;
    margin-right: 0.7rem;
    margin-left: 0.2rem;
    display: inline-block;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.navbar-links {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}
.navbar-links li {
    position: relative;
}
.nav-link {
    color: var(--text-dark-bg);
    text-decoration: none;
    margin: 0 1rem;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
    font-size: 1.08rem;
}
.nav-link:hover, .nav-link:focus {
    color: var(--accent);
}
.dropdown-content {
    display: none;
    position: absolute;
    left: 50%;
    top: 2.5rem;
    transform: translateX(-50%);
    background: #fff;
    min-width: 200px;
    max-width: 260px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.13);
    z-index: 10;
    border-radius: 10px;
    overflow: hidden;
    animation: fadeIn 0.3s;
    padding: 0.7rem 0;
    margin: 0;
    word-break: break-word;
}
.dropdown-content a {
    color: var(--text-light-bg);
    background: none;
    padding: 0.8rem 1.5rem;
    display: block;
    text-align: left;
    font-weight: 500;
    font-size: 1.08rem;
    border: none;
    transition: background 0.18s, color 0.18s;
}
.dropdown-content a:hover, .dropdown-content a:focus {
    background: #e3f7fa;
    color: var(--highlight);
}
.navbar-links .dropdown > .nav-link::after {
    content: ' \25BC';
    font-size: 0.8em;
    color: inherit;
    margin-left: 0.3em;
    vertical-align: middle;
}
.navbar-links .dropdown > .nav-link.active,
.navbar-links .dropdown:hover > .nav-link {
    color: var(--accent);
}
.navbar-links .dropdown > .nav-link.active::before,
.navbar-links .dropdown:hover > .nav-link::before {
    display: none;
}
/* HERO SECTION */
.hero-section.gradient-bg {
    position: relative;
    width: 100vw;
    min-height: 380px;
    height: 48vw;
    max-height: 480px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(120deg, var(--primary-bg) 0%, #283593 60%, #0099CC 100%);
}
.animated-bg-pattern {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" fill="none" xmlns="http://www.w3.org/2000/svg"><circle cx="10" cy="10" r="2" fill="%230099CC" fill-opacity="0.12"/><circle cx="60" cy="60" r="2" fill="%23F4B400" fill-opacity="0.10"/><circle cx="90" cy="30" r="1.5" fill="%2300BFFF" fill-opacity="0.10"/></svg>');
    opacity: 0.25;
    z-index: 1;
    pointer-events: none;
}
.hero-content.glass-card {
    position: relative;
    z-index: 3;
    background: rgba(27, 42, 78, 0.55);
    border-radius: 1.5rem;
    padding: 2.5rem 2.5rem 2rem 2.5rem;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-dark-bg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    border: 1.5px solid rgba(0,153,204,0.18);
    backdrop-filter: blur(12px);
    font-family: 'Inter', 'Poppins', Arial, sans-serif;
    transition: box-shadow 0.3s, transform 0.3s;
}
.hero-content.glass-card:hover {
    box-shadow: 0 16px 48px rgba(0,153,204,0.22);
    transform: translateY(-4px) scale(1.015);
}
.hero-logos {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.2rem;
    align-items: center;
}
.hero-logo {
    width: 60px;
    height: 60px;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    object-fit: contain;
    opacity: 0.95;
    animation: floatLogo 2.5s ease-in-out infinite alternate;
}
.hero-logo-large {
    width: 100px;
    height: 100px;
    max-width: 30vw;
    max-height: 30vw;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.13);
    object-fit: contain;
    display: block;
    margin: 0 auto;
}
@keyframes floatLogo {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}
.hero-title {
    font-family: 'Poppins', 'Inter', Arial, sans-serif;
    font-size: 2.3rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    color: var(--text-dark-bg);
    letter-spacing: 1px;
}
.hero-subtitle {
    font-family: 'Inter', 'Poppins', Arial, sans-serif;
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1.2rem;
    color: var(--highlight);
}
.hero-details {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.7rem;
}
.hero-date, .hero-venue {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(0, 153, 204, 0.10);
    border-radius: 0.7rem;
    padding: 0.3rem 1.1rem;
    margin: 0.1rem auto;
    display: inline-block;
    letter-spacing: 0.5px;
}
.hero-vibrant {
    font-size: 1.08rem;
    color: var(--text-dark-bg);
    margin-top: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.2px;
}
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--card-bg);
    border: none;
    color: var(--text-dark-bg);
    font-size: 2.2rem;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    cursor: pointer;
    z-index: 4;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
    outline: none;
}
.hero-arrow-left { left: 2vw; }
.hero-arrow-right { right: 2vw; }
.hero-arrow:hover, .hero-arrow:focus {
    background: var(--button-hover);
    color: var(--accent);
    transform: scale(1.08);
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
/* ORGANIZED BY SECTION */
.organized-by-section {
    background: var(--card-bg);
    padding: 2.5rem 1rem 1.5rem 1rem;
    text-align: center;
    margin-top: -60px;
    z-index: 10;
    position: relative;
    box-shadow: 0 4px 24px rgba(33,150,243,0.08);
    border-radius: 18px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-dark-bg);
}
.organized-by-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--accent);
}
.organized-logos {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    align-items: center;
}
.org-logo {
    width: 90px;
    height: auto;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(26,35,126,0.08);
    padding: 0.5rem;
    transition: transform 0.2s;
}
.org-logo:hover {
    transform: scale(1.08) rotate(-2deg);
}
.organized-by-section img {
  max-width: 100%;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
/* MAIN CONTENT CARDS */
.main-content-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    justify-content: center;
    margin: 2.5rem auto 0 auto;
    max-width: 1100px;
}
.card-section {
    background: var(--card-bg);
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(33,150,243,0.10);
    padding: 2.2rem 1.5rem 1.5rem 1.5rem;
    flex: 1 1 340px;
    min-width: 320px;
    max-width: 500px;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.2s, transform 0.2s;
    animation: fadeIn 1.2s;
    color: var(--text-dark-bg);
}
.card-section:hover {
    box-shadow: 0 8px 32px rgba(33,150,243,0.18);
    transform: translateY(-6px) scale(1.02);
}
.card-section h2, .card-section h3 {
    color: var(--accent);
}
.card-section a {
    color: var(--highlight);
    text-decoration: underline;
}
.card-section a:hover {
    color: var(--accent);
}
/* Decorative, animated, professional footer */
footer {
    position: relative;
    background: rgba(27, 42, 78, 0.85);
    color: var(--text-dark-bg);
    text-align: center;
    padding: 2.2rem 0 1.2rem 0;
    margin-top: 2rem;
    border-top: 4px solid var(--card-bg);
    box-shadow: 0 -4px 32px 0 rgba(0,153,204,0.10);
    backdrop-filter: blur(8px);
    z-index: 10;
    overflow: hidden;
    animation: footerFadeIn 1.2s cubic-bezier(.4,2,.3,1);
}
.footer-animated-bg {
    position: absolute;
    top: -40px; left: 50%;
    width: 120vw; height: 120px;
    transform: translateX(-50%);
    background: radial-gradient(circle at 50% 0%, #0099cc55 0%, #1B2A4E00 80%);
    filter: blur(18px) brightness(1.2);
    z-index: 1;
    pointer-events: none;
    animation: footerGlow 4s ease-in-out infinite alternate;
}
@keyframes footerGlow {
    0% { filter: blur(18px) brightness(1.2); opacity: 0.7; }
    100% { filter: blur(28px) brightness(1.4); opacity: 1; }
}
.footer-links {
    position: relative;
    z-index: 2;
    margin-bottom: 1.2rem;
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    gap: 0;
    white-space: nowrap;
}
.footer-links a {
    color: var(--accent);
    background: rgba(0,153,204,0.10);
    text-decoration: none;
    margin: 0 0.2rem;
    font-weight: 600;
    padding: 0.5rem 1.2rem;
    border-radius: 2rem;
    font-size: 1.08rem;
    box-shadow: 0 2px 8px rgba(0,153,204,0.08);
    transition: background 0.22s, color 0.22s, box-shadow 0.22s, transform 0.22s;
    display: inline-block;
    border: 1.5px solid transparent;
}
.footer-links a:hover, .footer-links a:focus {
    background: var(--accent);
    color: var(--primary-bg);
    box-shadow: 0 4px 16px rgba(244,180,0,0.18);
    border: 1.5px solid var(--accent);
    transform: translateY(-2px) scale(1.04);
}
/* Footer separator */
.footer-links .footer-sep {
    color: var(--accent);
    font-weight: 400;
    font-size: 1.2em;
    margin: 0 0.1em;
    opacity: 0.7;
    user-select: none;
}
.footer-copy {
    position: relative;
    z-index: 2;
    font-size: 1.08rem;
    opacity: 0.92;
    margin-top: 0.5rem;
    letter-spacing: 0.2px;
    font-family: 'Inter', 'Poppins', Arial, sans-serif;
    text-shadow: 0 1px 2px #0002;
}
@keyframes footerFadeIn {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
/* Responsive Styles */
@media (max-width: 900px) {
    .main-content-cards {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    .hero-section {
        height: 60vw;
        min-height: 220px;
        max-height: 340px;
    }
}
@media (max-width: 700px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.7rem 1rem;
    }
    .navbar-links {
        flex-direction: column;
        width: 100vw;
        max-width: 100vw;
        display: none;
        background: var(--primary-bg);
        position: absolute;
        top: 100%;
        left: 0;
        border-radius: 0 0 12px 12px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.08);
        animation: navbarSlideDown 0.4s cubic-bezier(.68,-0.55,.27,1.55);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }
    .navbar-links.show {
        display: flex;
        opacity: 1;
        pointer-events: auto;
        animation: navbarSlideDown 0.4s cubic-bezier(.68,-0.55,.27,1.55);
    }
    .navbar-links li {
        margin: 0.5rem 0;
        width: 100%;
        text-align: left;
        padding-left: 1.5rem;
    }
    .navbar-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--accent);
        font-size: 2rem;
        cursor: pointer;
        margin-left: auto;
    }
    .dropdown-content {
        left: 0;
        right: 0;
        transform: none;
        min-width: 160px;
        max-width: 95vw;
    }
    footer {
        padding: 1.2rem 0 0.7rem 0;
    }
    .footer-links {
        flex-wrap: wrap;
        gap: 0;
    }
    .footer-links a {
        padding: 0.4rem 0.8rem;
        font-size: 0.98rem;
    }
    .hero-section.gradient-bg {
        min-height: unset;
        height: auto;
        max-height: unset;
        padding: 1.2rem 0 0.5rem 0;
        overflow: visible;
    }
    .hero-content.glass-card {
        padding: 1.2rem 0.5rem 1.2rem 0.5rem;
        max-width: 98vw;
        min-width: 0;
        margin: 0 1vw;
        font-size: 0.98rem;
    }
    .hero-title {
        font-size: 1.3rem;
        word-break: break-word;
    }
    .hero-subtitle {
        font-size: 1rem;
        word-break: break-word;
    }
    .hero-details {
        flex-direction: column;
        gap: 0.2rem;
        font-size: 0.98rem;
    }
    .hero-logo {
        width: 40px;
        height: 40px;
    }
    .organized-by-section {
        padding: 1.2rem 0.5rem 0.8rem 0.5rem;
        max-width: 99vw;
        margin-top: 0.5rem;
        border-radius: 12px;
    }
    .org-title {
        font-size: 1.1rem;
        margin: 1rem 0 1rem 0;
        word-break: break-word;
        line-height: 1.3;
    }
    .department-image-container {
        width: 100%;
        max-width: 99vw;
        margin: 0 auto 1rem auto;
        border-radius: 10px;
        overflow: hidden;
    }
    .department-image {
        width: 100%;
        max-width: 100vw;
        height: 160px;
        object-fit: cover;
        border-radius: 10px;
        display: block;
        margin: 0 auto;
    }
    .department-image-overlay {
        padding: 1rem 0.5rem;
        font-size: 0.98rem;
    }
    .department-image-overlay-text {
        font-size: 1rem;
        margin: 0;
    }
    .org-desc {
        font-size: 0.98rem;
        margin: 0.7rem 0;
        line-height: 1.5;
        word-break: break-word;
    }
    .about-gcek-section {
        padding: 1.2rem 0.5rem 0.8rem 0.5rem;
        max-width: 99vw;
        border-radius: 12px;
    }
    .about-gcek-section h2 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
        word-break: break-word;
    }
    .gcek-image-container {
        width: 100%;
        max-width: 99vw;
        margin: 0 auto 1rem auto;
        border-radius: 10px;
        overflow: hidden;
    }
    .gcek-image {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border-radius: 10px;
    }
    .gcek-image-overlay {
        padding: 1rem 0.5rem;
        font-size: 0.98rem;
    }
    .gcek-image-overlay-text {
        font-size: 1rem;
        margin: 0;
    }
    .gcek-content {
        font-size: 0.98rem;
        margin: 0.7rem 0;
        line-height: 1.5;
        word-break: break-word;
    }
    .gcek-content-text {
        font-size: 0.98rem;
        margin: 0.5rem 0;
    }
    .topics-section {
        padding: 1.2rem 0.5rem 0.8rem 0.5rem !important;
        min-width: 0;
        max-width: 99vw;
        border-radius: 12px;
        margin: 1.2rem auto 0 auto !important;
    }
    .topics-title {
        font-size: 1.1rem !important;
        margin-bottom: 1rem !important;
        word-break: break-word;
    }
    .topics-list {
        font-size: 0.98rem !important;
        line-height: 1.5 !important;
        padding: 1rem 0.5rem !important;
        border-radius: 10px !important;
        margin-bottom: 0 !important;
        background: rgba(27,42,78,0.10) !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
        word-break: break-word;
    }
    .department-image {
        display: none !important;
    }
}
@media (max-width: 600px) {
    .hero-content {
        padding: 1.2rem 0.5rem;
        max-width: 98vw;
    }
    .organized-by-section {
        padding: 1.2rem 0.5rem 0.8rem 0.5rem;
        max-width: 99vw;
    }
    .org-logo {
        width: 60px;
    }
    .card-section {
        padding: 1.2rem 0.5rem 0.8rem 0.5rem;
        min-width: 0;
        max-width: 99vw;
    }
    .hero-logo {
        width: 40px;
        height: 40px;
    }
    .hero-title {
        font-size: 1.3rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .department-image {
        height: 300px;
    }
    
    .department-image-overlay {
        padding: 1.5rem 1rem;
    }
    .navbar-links {
        padding-bottom: 1.5rem;
    }
}
/* Hamburger menu hidden by default */
.navbar-toggle {
    display: none;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
/* About page photo animation and hover effect */
.about-photo {
    max-width: 100%;
    height: 340px;
    object-fit: cover;
    border-radius: 1.5rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    transition: transform 0.35s cubic-bezier(.4,2,.3,1), box-shadow 0.35s, filter 0.35s;
    animation: aboutPhotoFadeIn 1.2s cubic-bezier(.4,2,.3,1);
    will-change: transform, box-shadow, filter;
}
.about-photo:hover, .about-photo:focus {
    transform: scale(1.045) rotateZ(-1.5deg);
    box-shadow: 0 16px 48px rgba(0,153,204,0.22), 0 2px 16px rgba(244,180,0,0.10);
    filter: brightness(1.07) saturate(1.1);
}
@keyframes aboutPhotoFadeIn {
    0% { opacity: 0; transform: scale(0.96) translateY(30px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}
.department-image-container {
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
    position: relative;
    overflow: hidden;
}

.department-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 1.5rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    transition: transform 0.5s cubic-bezier(.4,2,.3,1), 
                box-shadow 0.5s, 
                filter 0.5s;
    animation: imageFadeIn 1.2s cubic-bezier(.4,2,.3,1);
    will-change: transform, box-shadow, filter;
}

.department-image:hover {
    transform: scale(1.03) translateY(-8px);
    box-shadow: 0 16px 48px rgba(0,153,204,0.25);
    filter: brightness(1.1) contrast(1.1);
}

.department-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(27, 42, 78, 0.9), transparent);
    padding: 2rem 1.5rem;
    color: var(--text-dark-bg);
    transform: translateY(100%);
    transition: transform 0.4s ease-out;
    border-radius: 0 0 1.5rem 1.5rem;
}

.department-image-container:hover .department-image-overlay {
    transform: translateY(0);
}

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

/* About GCEK Section */
.about-gcek-section {
    background: var(--card-bg);
    padding: 3rem 2rem;
    margin: 2rem auto;
    max-width: 1000px;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(33,150,243,0.10);
    text-align: center;
    color: var(--text-dark-bg);
}

.about-gcek-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--accent);
    font-family: 'Poppins', 'Inter', Arial, sans-serif;
}

.gcek-image-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 2rem auto;
    position: relative;
    overflow: hidden;
    border-radius: 1.5rem;
}

.gcek-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 1.5rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    transition: transform 0.5s cubic-bezier(.4,2,.3,1), 
                box-shadow 0.5s, 
                filter 0.5s;
    animation: imageFadeIn 1.2s cubic-bezier(.4,2,.3,1);
    will-change: transform, box-shadow, filter;
}

.gcek-image:hover {
    transform: scale(1.02) translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,153,204,0.25);
    filter: brightness(1.05) contrast(1.05);
}

.gcek-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(27, 42, 78, 0.9), transparent);
    padding: 2rem 1.5rem;
    color: var(--text-dark-bg);
    transform: translateY(100%);
    transition: transform 0.4s ease-out;
    border-radius: 0 0 1.5rem 1.5rem;
}

.gcek-image-container:hover .gcek-image-overlay {
    transform: translateY(0);
}

.gcek-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.gcek-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: var(--text-dark-bg);
    font-family: 'Inter', 'Poppins', Arial, sans-serif;
}

.gcek-content p:first-child {
    font-family: 'Noto Sans Oriya', 'Poppins', Arial, sans-serif;
    font-size: 1.15rem;
}

@media (max-width: 600px) {
    .about-gcek-section {
        padding: 2rem 1rem;
        margin: 1.5rem auto;
    }
    
    .about-gcek-section h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .gcek-image {
        height: 300px;
    }
    
    .gcek-image-overlay {
        padding: 1.5rem 1rem;
    }
    
    .gcek-content p {
        font-size: 1rem;
        line-height: 1.6;
    }
}

/* --- Hamburger Icon Styles --- */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 1201;
  margin-left: auto;
  outline: none;
}
.navbar-toggle .bar {
  display: block;
  position: absolute;
  left: 10px;
  right: 10px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  transition: all 0.35s cubic-bezier(.68,-0.55,.27,1.55);
}
.navbar-toggle .bar1 { top: 14px; }
.navbar-toggle .bar2 { top: 21px; }
.navbar-toggle .bar3 { top: 28px; }

.navbar-toggle.open .bar1 {
  transform: translateY(7px) rotate(45deg);
}
.navbar-toggle.open .bar2 {
  opacity: 0;
}
.navbar-toggle.open .bar3 {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Responsive Navbar --- */
@media (max-width: 900px) {
  .navbar {
    flex-direction: row;
    align-items: center;
    padding: 0.7rem 1rem;
  }
}
@media (max-width: 700px) {
  .navbar {
    flex-direction: row;
    align-items: center;
    padding: 0.7rem 1rem;
  }
  .navbar-toggle {
    display: block;
  }
  .navbar-links {
    flex-direction: column;
    width: 100vw;
    max-width: 100vw;
    display: none;
    background: var(--primary-bg);
    position: absolute;
    top: 100%;
    left: 0;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
    animation: navbarSlideDown 0.4s cubic-bezier(.68,-0.55,.27,1.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }
  .navbar-links.show {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    animation: navbarSlideDown 0.4s cubic-bezier(.68,-0.55,.27,1.55);
  }
  .navbar-links li {
    margin: 0.5rem 0;
    width: 100%;
    text-align: left;
    padding-left: 1.5rem;
  }
}
@media (max-width: 600px) {
  .navbar-links {
    padding-bottom: 1.5rem;
  }
}
@keyframes navbarSlideDown {
  from { transform: translateY(-30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Center topics-section and make it responsive */
.topics-section {
  margin-left: auto !important;
  margin-right: auto !important;
  display: block;
}
@media (min-width: 701px) {
  .topics-section {
    max-width: 600px;
    margin-top: 2.5rem !important;
    margin-bottom: 2.5rem !important;
  }
}
@media (max-width: 700px) {
  .topics-section {
    max-width: 98vw;
    margin-top: 1.2rem !important;
    margin-bottom: 1.2rem !important;
    border-radius: 12px;
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
  }
}
@media (min-width: 701px) and (max-width: 1200px) {
  .hero-section.gradient-bg {
    min-height: 320px;
    height: auto;
    max-height: unset;
    padding: 1.5rem 0 1rem 0;
    overflow: visible;
  }
  .hero-content.glass-card {
    padding: 2rem 1.2rem 2rem 1.2rem;
    max-width: 95vw;
    min-width: 0;
    margin: 0 auto;
    font-size: 1.08rem;
  }
  .organized-by-section,
  .about-gcek-section,
  .topics-section {
    max-width: 700px;
    margin-left: auto !important;
    margin-right: auto !important;
    border-radius: 16px;
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }
  .topics-section {
    margin-top: 2rem !important;
    margin-bottom: 2rem !important;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 1.08rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.2rem;
  }
  .footer-links a {
    font-size: 1.08rem;
    padding: 0.5rem 1.2rem;
    margin: 0.2rem 0.4rem;
  }
  .footer-copy {
    font-size: 1.08rem;
    margin-top: 0.7rem;
  }
  footer {
    padding: 2rem 0 1.2rem 0;
    margin-top: 2rem;
    border-top: 4px solid var(--card-bg);
    box-shadow: 0 -4px 32px 0 rgba(0,153,204,0.10);
    backdrop-filter: blur(8px);
    z-index: 10;
    overflow: hidden;
  }
}
@media (min-width: 1201px) and (max-width: 1800px) {
  .hero-section.gradient-bg {
    min-height: 420px;
    height: 48vw;
    max-height: 520px;
    padding: 2.5rem 0 2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .hero-content.glass-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 2.5rem 2.5rem 2rem 2.5rem;
    font-size: 1.15rem;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-subtitle {
    font-size: 1.4rem;
  }
  .hero-logo-large {
    width: 120px;
    height: 120px;
    max-width: 120px;
    max-height: 120px;
  }
} 

/* Professional Download Button for Schedule Page */
.download-btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-bg);
  background: var(--accent);
  border: none;
  border-radius: 2rem;
  box-shadow: 0 4px 18px rgba(244,180,0,0.10), 0 2px 8px rgba(0,153,204,0.08);
  text-decoration: none;
  transition: background 0.22s, color 0.22s, box-shadow 0.22s, transform 0.22s;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
  cursor: pointer;
}
.download-btn:hover, .download-btn:focus {
  background: var(--highlight);
  color: var(--text-dark-bg);
  box-shadow: 0 8px 32px rgba(0,153,204,0.18);
  transform: translateY(-2px) scale(1.04);
}

/* Schedule Section Styling */
.schedule-section {
  background: var(--card-bg);
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(33,150,243,0.10);
  padding: 2.5rem 1.5rem 2rem 1.5rem;
  max-width: 600px;
  margin: 2.5rem auto 2.5rem auto;
  color: var(--text-dark-bg);
  text-align: center;
  animation: fadeIn 1.2s;
}
.schedule-section h1 {
  color: var(--accent);
  font-size: 2rem;
  font-family: 'Poppins', 'Inter', Arial, sans-serif;
  font-weight: 700;
  margin-bottom: 1.2rem;
}
.schedule-section p {
  font-size: 1.13rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark-bg);
} 

@media (max-width: 1024px) and (min-width: 601px) {
  header {
    padding: 0;
  }
  .navbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 2rem;
  }
  .navbar-left {
    width: auto;
    margin-bottom: 0;
    display: flex;
    align-items: center;
  }
  .navbar-logo {
    height: 34px;
    margin-right: 0.7rem;
    margin-left: 0.2rem;
  }
  .navbar-links {
    flex-direction: row;
    flex-wrap: nowrap;
    width: auto;
    justify-content: flex-end;
    gap: 0;
    margin-top: 0;
  }
  .navbar-links li {
    margin: 0;
  }
  .nav-link {
    font-size: 1rem;
    padding: 0.3rem 1rem;
    margin: 0;
  }
} 

@media (max-width: 834px) and (min-width: 601px) {
  .navbar {
    padding: 0.7rem 1rem;
  }
  .navbar-links {
    flex-wrap: wrap;
    gap: 0.2rem 0.7rem;
    width: 100%;
    justify-content: flex-end;
  }
  .nav-link {
    font-size: 0.97rem;
    padding: 0.3rem 0.7rem;
  }
  .navbar-logo {
    height: 30px;
  }
}