:root {
    --primary: #010DAC;
    --secondary: #29B0E6;
    --light: #f5f8ff;
    --accent: #930CF1;
    --accent-light: #D865FF;
    --white: #FFFFFF;
    --blue-dark: #010DAC;
    --blue-light: #29B0E6;
    --purple-dark: #930CF1;
    --purple-light: #D865FF;
    --text-dark: #333333;
    --gradient-primary: linear-gradient(135deg, #010DAC, #29B0E6);
    --gradient-accent: linear-gradient(135deg, #010DAC, #29B0E6, #930CF1, #D865FF);
    --gradient-blue: linear-gradient(90deg, #010DAC, #29B0E6);
    --gradient-purple: linear-gradient(90deg, #930CF1, #D865FF);
    --gradient-text: linear-gradient(90deg, #29B0E6, #D865FF);
}

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

body {
    background-color: #FFFFFF;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 10px 0;
    transition: all 0.3s ease;
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    width: 100%;
    height: 50px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 35px;
    width: auto;
    transition: all 0.3s ease;
}

/* Navigation */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    margin: 0 20px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 40px;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    font-size: 16px;
    padding: 8px 0;
    display: flex;
    align-items: center;
}

.main-nav ul li a:hover {
    color: var(--primary);
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.main-nav ul li a:hover::after {
    width: 100%;
}

/* Language Button */
.btn-language {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #010DAC, #29B0E6);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(1, 13, 172, 0.2);
    font-size: 15px;
}

.btn-language:hover {
    background: linear-gradient(135deg, #930CF1, #D865FF);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(147, 12, 241, 0.3);
}

.btn-language i {
    font-size: 16px;
}

.btn-language span {
    font-size: 14px;
    font-weight: 600;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--primary);
    padding: 5px;
    z-index: 1000;
}

@media (max-width: 768px) {
    .header-container {
        height: 30px;
        padding: 0 10px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .logo {
        display: flex;
        align-items: center;
    }
    
    .logo img {
        height: 20px !important;
    }
    
    .btn-language {
        display: flex;
        align-items: center;
        padding: 4px 8px;
        font-size: 12px;
        margin: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        font-size: 16px;
        padding: 0 5px;
    }
    
    .main-nav {
        display: none;
        position: fixed;
        top: 30px;
        left: 0;
        width: 100%;
        height: auto;
        max-height: calc(100vh - 30px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        z-index: 999;
        padding: 10px;
        transition: all 0.3s ease;
        overflow-y: auto;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 10px;
        margin-top: 0;
    }

    .main-nav ul li a {
        font-size: 14px;
        padding: 8px;
        display: block;
        text-align: center;
        color: var(--primary);
        border-radius: 6px;
        transition: all 0.3s ease;
    }

    .main-nav ul li a:hover {
        background: rgba(1, 13, 172, 0.1);
    }
    
    .hero {
        padding: 100px 0 40px;
        min-height: auto;
    }
    
    .hero-content {
        margin-top: 20px;
    }
    
    .hero-title-container {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        margin: 10px 0;
    }
    
    .hero-logo {
        height: 35px !important;
    }
    
    .hero-year {
        font-size: 40px !important;
        line-height: 1.1;
        font-weight: 700;
    }
    
    .hero-istec {
        font-size: 14px;
        margin-bottom: 10px;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        padding: 0 15px;
    }
    
    .hero-istec .istec-name {
        font-size: 10px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }
    
    .hero-date {
        font-size: 18px !important;
        padding: 8px 15px;
        margin: 15px 0;
    }
    
    .hero-description {
        font-size: 14px;
        margin: 15px 0;
        text-align: center;
        padding: 0 15px;
    }
    
    .countdown-section {
        margin-top: 80px !important;
        padding: 20px 0;
    }
    
    .countdown {
        display: flex !important;
        justify-content: space-between !important;
        gap: 5px !important;
        padding: 0 10px !important;
    }
    
    .countdown-item {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .countdown-value {
        width: 60px !important;
        height: 60px !important;
        font-size: 20px !important;
    }
    
    .countdown-label {
        font-size: 12px !important;
        margin-top: 5px !important;
    }
    
    .hero-buttons {
        display: flex !important;
        flex-direction: row !important;
        gap: 10px !important;
        justify-content: center !important;
    }
    
    .btn {
        width: auto !important;
        min-width: 120px !important;
        padding: 8px 15px !important;
    }
    
    .btn-primary, .btn-outline {
        width: 80%;
        max-width: 200px;
    }
    
    .hero-subtitle {
        font-size: 18px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }

    .text-center .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 20px;
        font-size: 14px;
        min-width: auto;
        width: auto;
        white-space: nowrap;
    }

    .text-center .btn i {
        font-size: 14px;
        margin-right: 0;
    }

    .text-center .btn span {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .countdown-value {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }
    
    .countdown-label {
        font-size: 10px;
    }
    
    .hero-logo {
        height: 30px !important;
    }
    
    .hero-year {
        font-size: 34px !important;
    }
    
    .hero-title-container {
        gap: 8px;
    }
    
    .btn, .btn-primary, .btn-outline {
        width: 100%;
        max-width: 200px;
        padding: 10px 15px;
        min-width: unset;
    }
    
    .countdown {
        padding: 0 10px;
    }

    .text-center .btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .text-center .btn i {
        font-size: 13px;
    }

    .text-center .btn span {
        font-size: 13px;
    }
}

/* Hero Section */
.hero {
    background: #FFFFFF;
    min-height: 100vh;
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

#three-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 70%;
    height: 100%;
    background: var(--gradient-primary);
    transform: skewX(-15deg) translateX(20%);
    opacity: 0.05;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: 60px;
}

.hero-text {
    max-width: 800px;
    margin-bottom: 60px;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.hero-title-container {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.hero-logo {
    height: 60px;
    width: auto;
}

.hero-year {
    font-size: 60px;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

.hero-date {
    font-size: 28px;
    font-weight: 700;
    margin: 20px 0;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    padding: 10px 25px;
    border-radius: 50px;
    border: 2px solid rgba(147, 12, 241, 0.2);
    backdrop-filter: blur(5px);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(147, 12, 241, 0.4);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(147, 12, 241, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(147, 12, 241, 0);
    }
}

.hero h1 {
    font-size: 60px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
    color: var(--primary);
}

.hero-description {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 30px;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-buttons {
    display: flex;
    gap: 25px;
    margin-top: 40px;
    justify-content: center;
}

.btn {
    padding: 16px 35px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 16px;
    min-width: 200px;
}

.btn i {
    margin-right: 12px;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.btn-primary {
    background: var(--gradient-blue);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(1, 13, 172, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(1, 13, 172, 0.3);
}

.btn-primary:hover i {
    transform: translateX(5px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    position: relative;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-blue);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.btn-outline:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
}

.btn-outline:hover::before {
    opacity: 1;
}

.btn-outline:hover i {
    transform: translateX(5px);
}

.hero-image {
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Animation dots */
.animation-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--blue-light);
    opacity: 0.5;
    animation: float 10s infinite ease-in-out;
}

.dot:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    background: var(--blue-light);
}

.dot:nth-child(2) {
    top: 50%;
    left: 80%;
    animation-delay: 1s;
    background: var(--purple-light);
}

.dot:nth-child(3) {
    top: 80%;
    left: 30%;
    animation-delay: 2s;
    background: var(--accent);
}

.dot:nth-child(4) {
    top: 20%;
    left: 70%;
    animation-delay: 3s;
    background: var(--secondary);
}

.dot:nth-child(5) {
    top: 60%;
    left: 5%;
    animation-delay: 4s;
    background: var(--blue-light);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.5);
        opacity: 0.2;
    }
}

/* Countdown Section */
.countdown-section {
    padding: 40px 0;
    background-color: transparent;
    position: relative;
    overflow: hidden;
    width: 100%;
    margin-top: 40px;
}

.countdown-container {
    text-align: center;
    position: relative;
    z-index: 1;
}

.countdown-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    font-size: 50px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.countdown-value::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-accent);
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

@keyframes gradientAnimation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.countdown-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* About Section */
.about-section {
    padding: 100px 0;
    background-color: white;
    position: relative;
}

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

.section-title h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background-color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-icon {
    font-size: 36px;
    margin-bottom: 20px;
    display: inline-block;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.about-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary);
}

.about-card p {
    color: #666;
    line-height: 1.6;
}

/* Areas Section */
.areas-section {
    padding: 100px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.areas-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.03;
    transform: skewX(-15deg);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.area-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.area-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.area-card-header {
    padding: 20px;
    background: var(--gradient-blue);
    text-align: center;
}

.area-card:nth-child(2) .area-card-header {
    background: var(--gradient-accent);
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

.area-card:nth-child(3) .area-card-header {
    background: var(--gradient-purple);
}

.area-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 26px;
    color: white;
}

.area-card-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: white;
    margin: 0;
}

.area-card-body {
    padding: 20px;
}

.area-card-body p {
    margin-bottom: 20px;
    color: #666;
}

.area-link {
    display: inline-flex;
    align-items: center;
    color: var(--blue-dark);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.area-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.area-link:hover {
    color: var(--purple-dark);
}

.area-link:hover i {
    transform: translateX(5px);
}

/* Highlights Section */
.highlights-section {
    padding: 100px 0;
    background-color: white;
    position: relative;
    overflow: hidden;
}

.swiper {
    width: 100%;
    padding: 30px 0;
}

.swiper-slide {
    width: 300px;
    height: auto;
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--primary);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 18px;
}

.swiper-pagination-bullet {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.highlight-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(147, 12, 241, 0.1);
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.highlight-image {
    height: 400px;
    overflow: hidden;
    position: relative;
}

.highlight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.highlight-card:hover .highlight-image img {
    transform: scale(1.05);
}

.highlight-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.highlight-content h3 {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 15px;
}

.highlight-info {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.highlight-info div {
    display: flex;
    align-items: center;
}

.highlight-info div i {
    margin-right: 8px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.view-program {
    text-align: center;
    margin-top: 40px;
}

/* Dates Section */
.dates-section {
    padding: 100px 0;
    background-color: #f8f9fa;
    position: relative;
}

.dates-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: var(--gradient-primary);
    opacity: 0.03;
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.date-card {
    background-color: white;
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.date-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-accent);
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

.date-card:nth-child(odd)::before {
    background: var(--gradient-blue);
}

.date-card:nth-child(even)::before {
    background: var(--gradient-purple);
}

.date-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.date-icon {
    font-size: 32px;
    margin-bottom: 20px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

.date-card:nth-child(odd) .date-icon {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.date-card:nth-child(even) .date-icon {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.date-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 15px;
}

.date-card p {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #010DAC 0%, #104C65 50%, #930CF1 100%);
    color: white;
    padding: 80px 0 30px;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 3px;
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

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

.footer-col ul li a i {
    margin-right: 10px;
    font-size: 14px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-item i {
    margin-right: 10px;
    font-size: 18px;
    margin-top: 3px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item a:hover {
    color: white;
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 18px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--gradient-accent);
    transform: translateY(-5px);
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        margin-top: 40px;
        order: 2;
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: 0;
        background: white;
        overflow: hidden;
        transition: height 0.3s ease;
        box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    }

    .main-nav.active {
        height: auto;
        padding: 20px 0;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        margin-right: 0;
    }

    .main-nav ul li {
        margin: 15px 0;
    }

    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        font-size: 24px;
        cursor: pointer;
        color: var(--primary);
    }

    .mobile-menu-btn i {
        transition: transform 0.3s ease;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .countdown-value {
        width: 60px !important;
        height: 60px !important;
        font-size: 20px !important;
    }
    
    .highlight-image {
        height: 150px;
    }

    .language-buttons {
        margin-left: 0;
        margin-top: 10px;
    }

    .btn-language {
        padding: 6px 12px;
    }

    .header-container {
        height: auto;
        padding: 15px;
    }
    
    .main-nav ul {
        gap: 10px;
    }
    
    .logo img {
        height: 40px;
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--primary);
    cursor: pointer;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 24px;
    margin-bottom: 10px;
}

.scroll-indicator span {
    font-size: 14px;
    font-weight: 500;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-20px) translateX(-50%);
    }
    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.active {
    opacity: 1;
    transform: scale(1);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.active {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.active {
    opacity: 1;
    transform: translateX(0);
}

.language-buttons {
    display: flex;
    gap: 10px;
    margin-left: 20px;
}

.hero-istec {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 16px;
}

.hero-istec .istec-name {
    font-weight: 600;
    background: linear-gradient(90deg, #010DAC, #29B0E6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
}

/* Submissions Section */
.submissions-section {
    padding: 100px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.submission-content {
    max-width: 1200px;
    margin: 0 auto;
}

.submission-block {
    background: white;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.submission-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.submission-block h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.submission-block h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 3px;
}

.submission-block p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.thematic-areas {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.thematic-areas li {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: #666;
    font-size: 18px;
    padding: 30px 20px;
    background: rgba(249, 249, 249, 0.5);
    border-radius: 8px;
    transition: all 0.3s ease;
    min-height: 120px;
    text-align: center;
    line-height: 1.4;
    border: 2px solid transparent;
    font-weight: 500;
}

.thematic-areas li:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 20px rgba(147, 12, 241, 0.1);
    background: white;
}

.thematic-areas li i {
    font-size: 36px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 15px;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.requirements-list li:last-child {
    border-bottom: none;
}

.requirement-title {
    font-weight: 600;
    color: var(--primary);
    font-size: 16px;
}

.requirement-desc {
    color: #666;
    font-size: 15px;
}

.contact-block {
    text-align: center;
}

.contact-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.contact-info i {
    font-size: 24px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.contact-info a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
}

.contact-info a:hover {
    color: var(--accent);
}

@media (max-width: 1200px) {
    .thematic-areas {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .thematic-areas {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .thematic-areas li {
        font-size: 16px;
        padding: 25px 15px;
    }
    
    .thematic-areas li i {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .thematic-areas {
        grid-template-columns: 1fr;
    }
}

.text-center {
    text-align: center;
    margin-top: 20px;
}

.text-center .btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 18px;
}

/* Programa Section Styles */
.programa-section {
    padding: 120px 0 80px;
    background-color: var(--light);
    min-height: 100vh;
}

.programa-timeline {
    max-width: 1000px;
    margin: 40px auto;
    position: relative;
}

.programa-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.2;
}

.programa-block {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
    padding: 0 20px;
}

.programa-block .time {
    flex: 0 0 150px;
    text-align: right;
    padding-right: 30px;
    font-weight: 600;
    color: var(--primary);
    font-size: 18px !important;
    white-space: nowrap !important;
    font-family: 'Inter', -apple-system, sans-serif !important;
    line-height: 1.2 !important;
}

.programa-block .content {
    flex: 1;
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: all 0.3s ease;
}

.programa-block .content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.programa-block .content::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: var(--gradient-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(147, 12, 241, 0.1);
}

.programa-block h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.programa-block h3 i {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.programa-block p {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 16px;
}

.programa-block .location {
    color: var(--accent);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.programa-session {
    padding: 20px;
    border-radius: 8px;
    background: rgba(245, 248, 255, 0.5);
    margin-bottom: 15px;
}

.programa-session:last-child {
    margin-bottom: 0;
}

.programa-session h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .programa-timeline::before {
        left: 20px;
    }

    .programa-block {
        flex-direction: column;
    }

    .programa-block .time {
        flex: none;
        text-align: left;
        padding-left: 50px;
        margin-bottom: 10px;
    }

    .programa-block .content::before {
        left: 10px;
        top: -10px;
        transform: none;
    }

    .programa-block .content {
        margin-left: 40px;
    }
}

/* Efeito de partículas e three.js apenas na página Programa */
body.programa-page #particles-js,
body.programa-page #three-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    min-height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Efeito de partículas e three.js na página Comissão */
body.comissao-page #particles-js,
body.comissao-page #three-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    min-height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Ajuste da navbar para páginas com fundo claro */
body.comissao-page header,
body.programa-page header {
    background-color: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
    transition: all 0.3s ease;
}

body.comissao-page header.scrolled,
body.programa-page header.scrolled {
    background-color: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
}

/* Ajuste dos links da navbar para páginas com fundo claro */
body.comissao-page .main-nav ul li a,
body.programa-page .main-nav ul li a {
    color: var(--text-dark);
}

body.comissao-page .main-nav ul li a:hover,
body.programa-page .main-nav ul li a:hover {
    color: var(--primary);
}

/* Ajuste do botão de idioma para páginas com fundo claro */
body.comissao-page .btn-language,
body.programa-page .btn-language {
    color: white;
}

/* Ajuste do botão do menu mobile para páginas com fundo claro */
body.comissao-page .mobile-menu-btn,
body.programa-page .mobile-menu-btn {
    color: var(--primary);
}

/* Ajuste do menu mobile quando aberto */
body.comissao-page .main-nav.active,
body.programa-page .main-nav.active {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* --- Filtros do Programa --- */
.programa-filters {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(1, 13, 172, 0.07);
    padding: 32px 24px 24px 24px;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: stretch;
    max-width: 965px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.programa-filters .search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    margin-bottom: 20px;
}

.programa-filters .search-box input {
    flex: 1;
    padding: 12px 18px;
    border: 1.5px solid var(--primary);
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: border 0.2s;
    background: #f5f8ff;
}

.programa-filters .search-box input:focus {
    border-color: var(--accent);
}

.programa-filters .search-box i {
    color: var(--primary);
    font-size: 20px;
}

.programa-filters .filter-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.filter-btn {
    flex: 1 1 0;
    min-width: 120px;
    text-align: center;
    background: #fff;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 8px 22px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.programa-filters .period-tabs {
    display: flex;
    gap: 16px;
    margin-top: 8px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.period-tab {
    flex: 1 1 0;
    min-width: 120px;
    text-align: center;
    background: #fff;
    color: var(--accent);
    border: 2px solid var(--accent);
    border-radius: 8px;
    padding: 8px 28px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
}

.period-tab.active, .period-tab:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

@media (max-width: 700px) {
    .programa-filters {
        padding: 18px 8px 12px 8px;
        gap: 10px;
    }
    .programa-filters .filter-buttons, .programa-filters .period-tabs {
        gap: 8px;
    }
    .filter-btn, .period-tab {
        font-size: 15px;
        padding: 7px 12px;
    }
}

.orador {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.orador-foto-container {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: #fff;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.orador-foto {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.orador-foto-container:hover {
    transform: scale(2);
    z-index: 2;
}

.orador-foto-container:hover .orador-foto {
    transform: none;
}

.location i {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 300% 100%;
    animation: gradientAnimation 5s ease infinite;
    display: inline-block;
}

/* Comissão Section Styles */
.comissao-section {
    padding: 120px 0 80px;
    background-color: transparent;
    min-height: 100vh;
    position: relative;
    z-index: 2;
}

.comissao-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
    position: relative;
}

.comissao-card {
    background: rgba(255,255,255,0.88);
    border-radius: 24px;
    box-shadow:
        0 12px 40px rgba(1,13,172,.08),
        inset 0 1px 0 rgba(255,255,255,.5);
    overflow: hidden;
    transition: all .45s cubic-bezier(.4,0,.2,1);
    position: relative;
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,.45);
}

.comissao-card::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(
        135deg,
        rgba(41,176,230,.05),
        rgba(216,101,255,.05)
    );
    opacity:0;
    transition:.4s;
}

.comissao-card:hover{
    transform:translateY(-12px) scale(1.01);
    box-shadow:
        0 25px 60px rgba(1,13,172,.14);
}

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

.comissao-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(1, 13, 172, 0.12);
    background: rgba(255, 255, 255, 1);
}

.comissao-header{
    padding:28px;
    background:var(--gradient-accent);
    background-size:300% 100%;
    animation:gradientAnimation 7s ease infinite;
    color:white;
    display:flex;
    align-items:center;
    gap:15px;
    position:relative;
    overflow:hidden;
}

.comissao-header::after{
    content:'';
    position:absolute;
    right:-40px;
    top:-40px;
    width:140px;
    height:140px;
    background:rgba(255,255,255,.12);
    border-radius:50%;
}

.comissao-header i{
    font-size:24px;
    position:relative;
    z-index:2;
}

.comissao-header h3{
    font-size:20px;
    font-weight:600;
    margin:0;
    position:relative;
    z-index:2;
}

.comissao-body {
    padding: 25px;
}

.membros-list{
    list-style:none;
    padding:0;
    margin:0;
}

.membros-list li{
    padding:18px;
    border:none;
    margin-bottom:14px;
    border-radius:16px;
    background:rgba(245,248,255,.9);
    transition:.35s ease;
}

.membros-list li:last-child{
    margin-bottom:0;
}

.membros-list li:hover{
    transform:translateX(10px);
    background:white;
    box-shadow:0 10px 25px rgba(41,176,230,.08);
}
.membro-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.membro-info h4{
    font-size:17px;
    font-weight:700;
    background:var(--gradient-blue);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    margin:0;
}

.membro-info p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.membro-info a {
    font-size: 14px;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.membro-info a:hover {
    color: var(--primary);
}

.membro-info a i {
    font-size: 14px;
}

.equipa-section {
    margin-bottom: 30px;
}

.equipa-section:last-child {
    margin-bottom: 0;
}

.equipa-title{
    font-size:20px;
    font-weight:700;
    margin-bottom:20px;
    padding-left:18px;
    border-left:5px solid var(--accent);
    color:var(--primary);
    background:none;
    -webkit-background-clip:unset;
    background-clip:unset;
    animation:none;
}

@media (max-width: 768px) {
    .comissao-grid {
        grid-template-columns: 1fr;
    }
    
    .comissao-header {
        padding: 20px;
    }
    
    .comissao-body {
        padding: 20px;
    }
    
    .membros-list li {
        padding: 12px;
    }
}

.comissao-card-small {
    height: fit-content;
}

.comissao-card-large {
    min-height: 100%;
}

@media (max-width: 992px) {
    .comissao-grid {
        grid-template-columns: 1fr;
    }
}

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

.equipa-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

@media (max-width: 992px) {
    .membros-grid {
        grid-template-columns: 1fr;
    }
    
    .equipa-column {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .comissao-grid {
        grid-template-columns: 1fr;
    }
    
    .comissao-header {
        padding: 20px;
    }
    
    .comissao-body {
        padding: 20px;
    }
    
    .membros-list li {
        padding: 12px;
    }
}