:root {
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --accent: #22d3ee;
    --bg-dark: #020617;
    --bg-card: rgba(15, 23, 42, 0.7);
    --border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --glass: rgba(15, 23, 42, 0.8);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Ambient Background */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(34, 211, 238, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, #020617 0%, #0f172a 100%);
}

/* Navbar */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff 40%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-slogan {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-left: 1px solid var(--border);
    padding-left: 1.5rem;
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: white;
}

/* Buttons */
.btn-primary,
.btn-main,
.btn-submit {
    background: var(--primary);
    color: white !important;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-main {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.btn-primary:hover,
.btn-main:hover,
.btn-submit:hover {
    transform: translateY(-2px);
    background: #2563eb;
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-outline {
    border: 1px solid var(--border);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1.1rem;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: white;
}

/* Badge */
.badge {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.4rem 1.2rem;
    border-radius: 99px;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero */
.hero {
    padding: 8rem 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    font-weight: 900;
}

.hero p {
    font-size: 1.4rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.frame {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.img-box {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
}

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

/* Features */
.features {
    padding: 8rem 0;
    background: rgba(15, 23, 42, 0.3);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 3rem;
    border-radius: 24px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    background: rgba(30, 41, 59, 0.6);
}

.icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    box-shadow: 0 0 20px var(--primary-glow);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.feature-card p {
    color: var(--text-dim);
}

/* Registration Section */
.registration {
    padding: 8rem 0;
}

.registration-box {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 4rem;
    backdrop-filter: blur(20px);
}

.reg-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.reg-content p {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.reg-benefits {
    list-style: none;
}

.reg-benefits li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.reg-benefits i {
    color: var(--accent);
}

/* Form Styles */
.reg-form {
    display: grid;
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dim);
}

.form-group input,
.form-group textarea {
    background: rgba(2, 6, 23, 0.5);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 10px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Footer */
.footer {
    padding: 6rem 0 2rem;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-info p {
    color: var(--text-dim);
    margin-top: 1rem;
}

.footer-contact {
    text-align: right;
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--primary);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #475569;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {

    .hero-grid,
    .registration-box {
        grid-template-columns: 1fr;
    }

    .hero {
        text-align: center;
        padding: 4rem 0;
    }

    .hero p {
        margin: 0 auto 3rem;
    }

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

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

    .registration-box {
        padding: 2rem;
    }

    .footer-grid {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

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