/* ====== CSS RESET & VARIABLES ====== */
:root {
    /* Startup-themed Color Palette */
    --primary: #0052FF; /* Electric Blue */
    --primary-dark: #0041CC;
    --secondary: #00D4AA; /* Teal */
    --accent: #FF6B6B; /* Coral */
    --warning: #FFD166; /* Amber */
    --success: #06D6A0;
    --dark: #0A0F2D;
    --darker: #06091F;
    --light: #F8FAFC;
    --gray: #64748B;
    --light-gray: #E2E8F0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0052FF 0%, #00D4AA 100%);
    --gradient-dark: linear-gradient(135deg, #0A0F2D 0%, #1E293B 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B6B 0%, #FFD166 100%);
    --gradient-card: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 82, 255, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 82, 255, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 82, 255, 0.2);
    --shadow-xl: 0 20px 60px rgba(0, 82, 255, 0.3);
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--dark);
    background: var(--light);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.section-label {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.lead {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

/* ====== BUTTONS ====== */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-glow {
    box-shadow: 0 0 30px rgba(0, 82, 255, 0.4);
}

.btn-glow:hover {
    box-shadow: 0 0 40px rgba(0, 82, 255, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.btn-submit {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.1rem;
    margin-top: 2rem;
}

.btn-submit span {
    flex: 1;
    text-align: center;
}

/* ====== NAVIGATION ====== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 82, 255, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark);
}

.logo i {
    color: var(--primary);
    font-size: 2rem;
}

.logo-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-menu {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    background: var(--gradient-primary);
    color: white;
}

.nav-register-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-register-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

/* ====== HERO SECTION ====== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
    background: var(--gradient-dark);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(0, 212, 170, 0.1));
    filter: blur(40px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 10%;
    animation: float 25s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: white;
    padding: 4rem 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 3rem;
    font-size: 0.9rem;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: #FF4757;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-gradient {
    background: linear-gradient(135deg, #00D4AA, #0052FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Countdown Timer */
.countdown {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    margin: 3rem auto;
    max-width: 600px;
}

.countdown h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 1rem;
    border-radius: 15px;
    min-width: 80px;
}

.countdown-item span {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.25rem;
}

.countdown-item small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--secondary);
}

.stat h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--secondary);
}

.stat p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 3rem 0;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    margin: 0 auto 0.5rem;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--secondary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(20px); opacity: 0; }
}

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

/* ====== SECTIONS ====== */
.section {
    padding: 100px 0;
    position: relative;
}

.bg-light {
    background: var(--light);
}

.bg-dark {
    background: var(--darker);
    color: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

/* ====== ABOUT SECTION ====== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.feature-card h4 {
    margin-bottom: 1rem;
    color: var(--dark);
}

.about-image {
    position: relative;
}

.image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-container img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.image-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 250px;
}

.image-badge i {
    font-size: 2rem;
    color: var(--primary);
}

/* ====== TIMELINE ====== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: -3rem;
    width: 2px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-date {
    width: 85px;
    flex-shrink: 0;
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem;
    border-radius: 15px;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
}

.event {
    display: flex;
    gap: 2rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--light-gray);
}

.event:last-child {
    border-bottom: none;
}

.event-time {
    width: 100px;
    flex-shrink: 0;
    color: var(--primary);
    font-weight: 600;
}

.event-details h4 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

/* ====== HIGHLIGHTS ====== */
.main-highlight {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    background: var(--gradient-primary);
    color: white;
    padding: 2rem;
    border-radius: 30px;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.main-highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.highlight-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.main-highlight h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.highlight-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.highlight-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.highlight-stat {
    text-align: center;
}

.highlight-stat h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.highlight-stat p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.main-highlight-image {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.main-highlight-image i {
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.2);
    z-index: 1;
}

.image-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    border-radius: 50%;
}

/* Highlights Grid */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.highlight-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(0, 212, 170, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.highlight-card h4 {
    margin-bottom: 1rem;
    color: var(--dark);
}

.highlight-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.highlight-tag {
    display: inline-block;
    background: rgba(0, 82, 255, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* ====== WORKSHOPS ====== */
.workshops-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    padding: 2rem;
}

.workshop-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.workshop-tab {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: rgba(255, 255, 255, 0.7);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 130px;
}

.workshop-tab.active {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-5px);
}

.workshop-tab i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.workshop-tab span {
    font-weight: 600;
    font-size: 0.95rem;
}

.workshop-tab small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.workshop-content {
    display: none;
}

.workshop-content.active {
    display: block;
}

.workshop-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 1.5rem;
    margin-bottom: 1.2rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.workshop-time {
    text-align: center;
    min-width: 120px;
}

.workshop-time span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.workshop-time small {
    font-size: 0.9rem;
    opacity: 0.7;
}

.workshop-details {
    flex: 1;
}

.workshop-category {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.workshop-title {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    color: white;
}

.workshop-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.workshop-instructor {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.instructor-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.workshop-instructor h5 {
    color: white;
    margin-bottom: 0.25rem;
}

.workshop-instructor p {
    font-size: 0.9rem;
    opacity: 0.7;
}

.workshop-tags {
    display: flex;
    gap: 0.5rem;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.workshop-cta {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.workshop-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 82, 255, 0.3);
}

/* ====== ORGANIZERS ====== */
.organizers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.organizer-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.organizer-card:hover {
    transform: translateY(-10px);
}

.organizer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.organizer-logo {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(0, 212, 170, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    margin: 0 auto 1.2rem;
}

.organizer-card h4 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.organizer-card p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.organizer-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.organizer-tag.platinum {
    background: linear-gradient(135deg, #E5E4E2, #C0C0C0);
    color: #333;
}

.organizer-tag.gold {
    background: linear-gradient(135deg, #FFD700, #DAA520);
    color: #333;
}

.organizer-tag.silver {
    background: linear-gradient(135deg, #C0C0C0, #A9A9A9);
    color: #333;
}

.sponsors {
    text-align: center;
    padding: 3rem;
    background: rgba(0, 82, 255, 0.05);
    border-radius: 20px;
}

.sponsors h4 {
    margin-bottom: 2rem;
    color: var(--gray);
}

.sponsor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
}

.sponsor-list span {
    background: white;
    padding: 1rem 2rem;
    border-radius: 15px;
    font-weight: 600;
    color: var(--dark);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.sponsor-list span:hover {
    transform: translateY(-5px);
}

/* ====== REGISTRATION ====== */
.registration-section {
    background: linear-gradient(135deg, #0A0F2D 0%, #1E293B 100%);
    color: white;
}

.registration-container {
    max-width: 900px;
    margin: 0 auto;
}

.registration-header {
    text-align: center;
    margin-bottom: 4rem;
}

.registration-header h2 {
    font-size: 3rem;
    margin: 1rem 0;
}

.registration-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
}

.registration-steps {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    padding: 3rem;
    backdrop-filter: blur(10px);
}

.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
    gap: 1rem;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1);
}

.step-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.step-line {
    flex: 1;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    max-width: 100px;
}

.registration-step {
    display: none;
}

.registration-step.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

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

.step-header {
    text-align: center;
    margin-bottom: 3rem;
}

.step-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.step-header p {
    color: rgba(255, 255, 255, 0.7);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: white;
}

.form-group i {
    color: var(--secondary);
}

input, select {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--secondary);
    background: rgba(255, 255, 255, 0.15);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

select option {
    background: var(--darker);
    color: white;
}

.form-actions {
    text-align: center;
}

/* OTP Verification */
.otp-container {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.otp-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 20px;
    margin-bottom: 2rem;
}

.otp-info i {
    font-size: 2.5rem;
    color: var(--secondary);
}

.otp-info h4 {
    margin-bottom: 0.5rem;
}

.otp-info p {
    color: rgba(255, 255, 255, 0.7);
}

.otp-input-container {
    margin-bottom: 2rem;
}

#otpInput {
    font-size: 2.5rem;
    letter-spacing: 1rem;
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid var(--secondary);
    max-width: 300px;
    margin: 0 auto;
}

.otp-timer {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--accent);
    font-weight: 600;
}

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

.btn-verify {
    min-width: 300px;
}

.btn-resend {
    background: none;
    border: none;
    color: var(--secondary);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    transition: opacity 0.3s ease;
}

.btn-resend:hover {
    opacity: 0.8;
}

/* Success Step */
.success-container {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.success-icon {
    font-size: 5rem;
    color: var(--success);
    margin-bottom: 2rem;
    animation: successPulse 2s infinite;
}

@keyframes successPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.success-container h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.success-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.ticket {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    backdrop-filter: blur(10px);
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.ticket-header h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
}

.ticket-badge {
    background: var(--gradient-accent);
    color: var(--dark);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
}

.ticket-body {
    display: flex;
    gap: 3rem;
    align-items: center;
    text-align: left;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--secondary);
}

.ticket-details {
    flex: 1;
}

.detail {
    margin-bottom: 1.5rem;
}

.detail-label {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.ticket-details h3 {
    font-size: 2.5rem;
    color: var(--secondary);
}

.ticket-details h4 {
    font-size: 1.8rem;
    color: white;
}

.detail-row {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.detail p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.ticket-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
}

.btn-download, .btn-share {
    padding: 1rem 2rem;
    border-radius: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-download {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn-share {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-download:hover, .btn-share:hover {
    transform: translateY(-3px);
}

.next-steps {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 20px;
    margin-top: 3rem;
    text-align: left;
}

.next-steps h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.next-steps ul {
    list-style: none;
}

.next-steps li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.next-steps li i {
    color: var(--success);
}

/* ====== FOOTER ====== */
.footer {
    background: var(--darker);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.footer-logo i {
    color: var(--primary);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

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

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.footer-col a:hover {
    color: var(--secondary);
    padding-left: 0.5rem;
}

.contact-info p {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.contact-info i {
    color: var(--secondary);
    margin-top: 0.25rem;
}

.newsletter {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.875rem 1rem;
    border-radius: 10px;
}

.newsletter button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    width: 50px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter button:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1200px) {
    .section-title {
        font-size: 3rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .main-highlight {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .highlight-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .organizers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .timeline-item::before {
        left: 30px;
        top: 60px;
        bottom: -1rem;
    }
    
    .timeline-date {
        align-self: flex-start;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .countdown-timer {
        flex-wrap: wrap;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .workshop-card {
        flex-direction: column;
        text-align: center;
    }
    
    .workshop-tabs {
        flex-direction: column;
    }
    
    .ticket-body {
        flex-direction: column;
        text-align: center;
    }
    
    .detail-row {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .registration-steps {
        padding: 1.5rem;
    }
    
    .step-indicator {
        flex-direction: column;
        gap: 2rem;
    }
    
    .step-line {
        width: 2px;
        height: 30px;
        max-width: none;
    }
}