:root {
    --primary: #0f172a;
    --accent: #10b981;
    --accent-light: #d1fae5;
    --gold: #f59e0b;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --glass-white: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(226, 232, 240, 0.8);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--white);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-white);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 65px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

.cta-button {
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s;
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Webinar Badge */
.webinar-badge {
    display: inline-block;
    background: var(--gold);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 12px;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 56px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--primary);
}

.hero-text h1 span {
    color: var(--accent);
}

.hero-text p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.webinar-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-light);
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.meta-item i {
    color: var(--accent);
}

.hero-image img {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.1);
}

/* Video Section */
.video-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 900px;
    margin: 40px auto 0;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Experts Section */
.experts {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 18px;
}

.speaker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.speaker-card {
    background: var(--white);
    padding: 40px;
    border-radius: 30px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.speaker-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.speaker-img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 24px;
    border: 4px solid var(--accent-light);
}

/* Discount Section */
.discount-banner {
    background: var(--primary);
    color: white;
    padding: 60px 0;
    text-align: center;
    border-radius: 40px;
    margin: 80px 0;
}

.discount-banner h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.discount-badge {
    display: inline-block;
    background: var(--accent);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 24px;
    margin: 16px 0;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--white);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
}

.faq-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary);
}

.faq-item p {
    color: var(--text-muted);
}

/* Registration Form */
.registration {
    padding: 100px 0;
}

.form-wrapper {
    background: var(--white);
    padding: 60px;
    border-radius: 40px;
    box-shadow: 0 40px 100px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid #e2e8f0;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 32px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 14px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-family: inherit;
}

.full-width { grid-column: 1 / -1; }

/* Responsive */
@media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; text-align: center; padding-top: 140px; }
    .hero-text h1 { font-size: 44px; }
    .webinar-meta { justify-content: center; flex-wrap: wrap; }
    .nav-links { display: none; }
}

@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
    .hero-text h1 { font-size: 36px; }
    .navbar { height: 70px; }
    .logo img { height: 50px; }
}
