/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #4FC3F7;
    --light-blue: #B3E5FC;
    --dark-blue: #0277BD;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #6C757D;
    --dark-gray: #343A40;
    --shadow: rgba(79, 195, 247, 0.15);
    --shadow-hover: rgba(79, 195, 247, 0.25);
    --gradient: linear-gradient(135deg, var(--light-blue), var(--primary-blue));
    --gradient-dark: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(79, 195, 247, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: contain;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-blue);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-blue);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--gradient);
    color: var(--white);
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--light-blue);
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

.hero-logo-container {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.hero-logo {
    width: 300px;
    height: 300px;
    object-fit: contain;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.hero-logo-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 2s ease-in-out infinite;
}

/* Countdown Timer */
.countdown-container {
    margin-top: 4rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.countdown-container h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--light-blue);
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.countdown-item {
    text-align: center;
}

.countdown-item span {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.countdown-item label {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
}

.btn-primary:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-blue);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    display: grid;
    gap: 2rem;
}

.about-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px var(--shadow);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.about-card:nth-child(2) {
    animation-delay: 0.2s;
}

.about-card:nth-child(3) {
    animation-delay: 0.4s;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-hover);
}

.about-card h3 {
    color: var(--dark-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.achievements {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px var(--shadow);
    position: sticky;
    top: 120px;
}

.achievements h3 {
    color: var(--dark-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

.achievement-grid {
    display: grid;
    gap: 1.5rem;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.achievement-item:hover {
    background: var(--light-blue);
    transform: translateX(5px);
}

.achievement-item i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    width: 40px;
    text-align: center;
}

.achievement-item h4 {
    color: var(--dark-blue);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.achievement-item p {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Team Section */
.team {
    padding: 100px 0;
    background: var(--white);
}

.team-season {
    margin-bottom: 4rem;
}

.season-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.season-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--light-blue);
    border-radius: 2px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.member-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

.member-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    background: var(--gradient);
}

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

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

.member-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.member-placeholder i {
    font-size: 4rem;
}

.member-info {
    padding: 1.5rem;
}

.member-info h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.member-role {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.member-specialty {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.member-fun-fact {
    font-size: 0.9rem;
    color: var(--dark-gray);
    font-style: italic;
}

.coach-card {
    border: 2px solid var(--primary-blue);
    position: relative;
}

.coach-card::before {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--primary-blue);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.coach-card.professional-coach::before {
    content: 'PROFESSIONAL COACH';
}

.coach-card.teacher-in-charge::before {
    content: 'TEACHER IN CHARGE';
}

/* Evolution Timeline */
.evolution {
    padding: 100px 0;
    background: var(--light-gray);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--light-blue);
    transform: translateX(-50%);
}

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

.timeline-item:nth-child(2) {
    animation-delay: 0.3s;
}

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

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-blue);
    border: 4px solid var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 4px var(--light-blue);
}

.timeline-marker.active {
    background: var(--dark-blue);
    animation: pulse 2s ease-in-out infinite;
}

.timeline-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px var(--shadow);
    margin-left: calc(50% + 40px);
    width: calc(50% - 40px);
    transition: all 0.3s ease;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + 40px);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-hover);
}

.timeline-content h3 {
    color: var(--dark-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-achievements {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.achievement-badge {
    background: var(--light-blue);
    color: var(--dark-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Robots Section */
.robots {
    padding: 100px 0;
    background: var(--white);
}

.robot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.robot-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.robot-card:nth-child(2) {
    animation-delay: 0.2s;
}

.robot-card:nth-child(3) {
    animation-delay: 0.4s;
}

.robot-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

.robot-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: var(--light-gray);
}

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

.robot-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    background: var(--light-gray);
}

.robot-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.robot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(79, 195, 247, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

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

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

.robot-btn {
    background: var(--white);
    color: var(--primary-blue);
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.robot-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.robot-info {
    padding: 1.5rem;
}

.robot-info h3 {
    color: var(--dark-blue);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.robot-season {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.robot-specs {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.spec-badge {
    background: var(--light-blue);
    color: var(--dark-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Gallery Section */
.gallery {
    padding: 100px 0;
    background: var(--light-gray);
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.gallery-tab {
    background: var(--white);
    color: var(--gray);
    border: 2px solid var(--light-blue);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.gallery-tab.active,
.gallery-tab:hover {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 4px 15px var(--shadow);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
    height: 250px;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: var(--white);
}

.gallery-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.gallery-overlay h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Sponsors Section */
.sponsors {
    padding: 100px 0;
    background: var(--white);
}

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

.sponsors-message {
    margin-bottom: 3rem;
}

.sponsors-message h3 {
    color: var(--dark-blue);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.sponsor-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.sponsor-card:nth-child(2) {
    animation-delay: 0.2s;
}

.sponsor-card:nth-child(3) {
    animation-delay: 0.4s;
}

.sponsor-card:hover {
    background: var(--light-blue);
    transform: translateY(-5px);
}

.sponsor-logo {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border-radius: 12px;
    overflow: hidden;
    background: var(--white);
    border: 2px solid var(--light-blue);
    padding: 1rem;
}

.sponsor-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
}

.sponsor-logo-placeholder {
    width: 80px;
    height: 80px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
}

.sponsor-logo-placeholder i {
    font-size: 2rem;
}

.sponsor-card h4 {
    color: var(--dark-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.sponsorship-cta {
    background: var(--gradient);
    color: var(--white);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
}

.sponsorship-cta h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.sponsorship-cta .btn {
    margin-top: 1rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--light-gray);
}

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

.contact-info-grid {
    display: grid;
    gap: 3rem;
}

.contact-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.contact-intro h3 {
    color: var(--dark-blue);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.contact-info h3 {
    color: var(--dark-blue);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
}

.contact-item i {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.contact-item h4 {
    color: var(--dark-blue);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

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



.social-link {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--dark-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow-hover);
}

/* Contact Form */
.contact-form-container {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px var(--shadow);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    color: var(--dark-blue);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--light-blue);
    border-radius: 8px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.1);
}

.contact-form .btn {
    justify-self: start;
    background: var(--primary-blue);
    color: var(--white);
    border: 2px solid var(--primary-blue);
}

.contact-form .btn:hover {
    background: var(--dark-blue);
    border-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow-hover);
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--light-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: contain;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--light-blue);
}

.footer-motto {
    font-style: italic;
    color: var(--light-blue);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.footer-links a:hover {
    color: var(--light-blue);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social .social-link {
    background: var(--primary-blue);
}

.footer-social .social-link:hover {
    background: var(--light-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(79, 195, 247, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(79, 195, 247, 0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-subtitle {
        font-size: 2rem;
    }

    .hero-logo {
        width: 200px;
        height: 200px;
    }

    .countdown {
        gap: 1rem;
    }

    .countdown-item span {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .achievements {
        position: static;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .timeline-content {
        margin-left: 40px;
        width: calc(100% - 40px);
    }

    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 40px;
        margin-right: 0;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-marker {
        left: 20px;
    }

    .hero-buttons {
        justify-content: center;
    }

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

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

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .countdown-container {
        padding: 1.5rem;
    }

    .countdown {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .countdown-item span {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
    }

    .robot-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .sponsors-grid {
        grid-template-columns: 1fr;
    }
}

/* Scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Gallery filter animations */
.gallery-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.gallery-item.visible {
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
}