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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: rgba(10, 15, 35, 0.9);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    background: rgba(10, 15, 35, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.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: 0.5rem;
}

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

.nav-logo h2 {
    color: #64ffda;
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #64ffda, #4fc3f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #64ffda;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #64ffda, #4fc3f7);
    transition: width 0.3s ease;
}

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

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

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: #64ffda;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section - Made Much Narrower */
.hero {
    height: 70vh; /* Reduced from 100vh to 70vh */
    min-height: 500px; /* Added minimum height for mobile */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0f23 0%, #1a1a2e 50%, #16213e 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(1px);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #64ffda, #4fc3f7);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #ff6b9d, #c44569);
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4fc3f7, #29b6f6);
    top: 40%;
    left: 80%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #9c88ff, #8c7ae6);
    top: 80%;
    left: 30%;
    animation-delay: 1s;
}

.shape-5 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #feca57, #ff9ff3);
    top: 10%;
    right: 30%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 15, 35, 0.8), rgba(26, 26, 46, 0.6));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem; /* Reduced from 4rem */
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0;
    animation: slideInUp 1s ease 0.5s forwards;
}

.highlight {
    background: linear-gradient(135deg, #64ffda, #4fc3f7, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient 3s ease infinite;
}

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

.hero-subtitle {
    font-size: 1.3rem; /* Reduced from 1.5rem */
    font-weight: 500;
    margin-bottom: 2rem;
    opacity: 0;
    animation: slideInUp 1s ease 0.7s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: slideInUp 1s ease 0.9s forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #64ffda, #4fc3f7);
    color: #0a0f23;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(100, 255, 218, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #64ffda;
    border: 2px solid #64ffda;
}

.btn-secondary:hover {
    background: #64ffda;
    color: #0a0f23;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(100, 255, 218, 0.3);
}

/* Section Styles */
section {
    padding: 60px 0; /* Reduced from 80px */
}

.section-header {
    text-align: center;
    margin-bottom: 40px; /* Reduced from 60px */
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a1a2e;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* About Section - Simplified */
.about {
    background: #f8f9fa;
    padding: 40px 0; /* Much smaller padding */
}

.about .section-header {
    margin-bottom: 0; /* No extra margin needed */
}

/* Events Section */
.events {
    padding: 60px 0;
}

.featured-event-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Event Hero Layout */
.event-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    color: white;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.event-header-top {
    display: flex;
    align-items: center;
    justify-content: center; /* Changed from flex-start to center */
    text-align: center; /* Added text-align center */
}

.event-title-section {
    flex: 1;
}

.event-title-section h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    line-height: 1.2;
}

.event-title-section h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 0;
    opacity: 0.9;
}

.event-actions-hero {
    display: flex;
    gap: 3rem;
    justify-content: center;
    align-items: center;
}

.action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.qr-code img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    background: white;
    padding: 4px;
}

.qr-code span {
    font-size: 0.8rem;
    opacity: 0.9;
    text-align: center;
}

/* Event Schedule */
.event-schedule {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.event-schedule h4 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1a1a2e;
    text-align: center;
}

.schedule-section {
    margin-bottom: 3rem;
}

.schedule-section h5 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #667eea;
    border-bottom: 2px solid #f0f8ff;
    padding-bottom: 0.8rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.schedule-section h5 i {
    color: #4fc3f7;
}

/* Speaker Session Layout */
.speaker-session {
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 15px;
    background: #f8fafc;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.speaker-session:hover {
    background: #f0f8ff;
    transform: translateX(5px);
    border-left-color: #64ffda;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.nobel-speaker {
    background: linear-gradient(135deg, #fff9e6, #fff3cd);
    border-left-color: #FFD700 !important;
}

.nobel-speaker:hover {
    background: linear-gradient(135deg, #fff6d9, #ffe5a3);
}

.session-time {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
}

.time-slot {
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    width: 100%;
}

.special-badge {
    background: #4fc3f7;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.session-content {
    flex: 1;
}

.speaker-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.speaker-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.speaker-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-details h6 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: #1a1a2e;
}

.speaker-title {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.speaker-topic {
    color: #555;
    line-height: 1.5;
    font-size: 0.9rem;
}

.nobel-badge {
    background: #FFD700;
    color: #333;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
}

/* Startup Section */
.startup-section {
    background: linear-gradient(135deg, #f8fafc, #e3f2fd);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid #e1f5fe;
}

.startup-note {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    padding: 1rem;
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.startup-note i {
    color: #f39c12;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.startup-note p {
    margin: 0;
    color: #555;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Team Info Styling */
.team-info h6 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: #1a1a2e;
}

.team-details {
    color: #555;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* Organizers Section */
.organizers {
    background: #f8f9fa;
    padding: 60px 0;
}

.organizers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.organizer-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.organizer-card:hover {
    transform: translateY(-5px);
}

.organizer-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #f0f8ff;
}

.organizer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.organizer-info h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1a1a2e;
}

.organizer-title {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.organizer-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.organizer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.organizer-links a {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #64ffda, #4fc3f7);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.organizer-links a:hover {
    transform: translateY(-3px);
}

/* Contact Section */
.contact {
    background: #fff;
    padding: 60px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-method i {
    font-size: 1.5rem;
    color: #667eea;
    width: 40px;
}

.contact-method h4 {
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-method p {
    color: #666;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
}

.contact-form {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

/* Footer */
.footer {
    background: #1a202c;
    color: 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 h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #64ffda;
}

.footer-section p,
.footer-section li {
    color: #ccc;
    line-height: 1.7;
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #64ffda;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    text-align: center;
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 15, 35, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        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);
    }

    .logo-image {
        height: 35px;
        max-width: 35px;
    }

    .nav-logo h2 {
        font-size: 1.5rem;
    }

    .hero {
        height: 60vh; /* Further reduced for mobile */
        min-height: 450px;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .event-hero {
        padding: 2rem;
        text-align: center;
    }

    .event-header-top {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .event-title-section h3 {
        font-size: 1.8rem;
    }

    .event-actions-hero {
        flex-direction: column;
        gap: 2rem;
    }

    .action-item {
        width: 100%;
        max-width: 300px;
    }

    .speaker-session {
        flex-direction: column;
        gap: 1rem;
    }

    .session-time {
        flex-direction: row;
        justify-content: center;
        min-width: auto;
    }

    .speaker-info {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

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

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

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .event-hero {
        padding: 1.5rem;
    }

    .event-title-section h3 {
        font-size: 1.5rem;
    }

    .event-date-large {
        padding: 1rem;
        min-width: 100px;
    }

    .event-date-large .day {
        font-size: 2rem;
    }

    .organizer-card {
        padding: 2rem;
    }

    .speaker-session {
        padding: 1rem;
    }
}