:root {
    --bg-color: #0b0c10;
    --text-color: #c5c6c7;
    --primary-color: #66fcf1;
    --secondary-color: #45a29e;
    --card-bg: rgba(31, 40, 51, 0.7);
    --glass-border: rgba(102, 252, 241, 0.2);
}

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

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

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    color: #fff;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(11, 12, 16, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.nav-brand {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

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

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, #1f2833 0%, #0b0c10 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px; /* offset for navbar */
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102,252,241,0.05) 10%, transparent 20%);
    background-size: 50px 50px;
    animation: rotate 60s linear infinite;
    z-index: 0;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.highlight {
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(102, 252, 241, 0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-btn {
    display: inline-block;
    padding: 15px 40px;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(102, 252, 241, 0.2);
}

.cta-btn:hover {
    background: var(--primary-color);
    color: #0b0c10;
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.6);
    transform: translateY(-3px);
}

/* Sections */
.section {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: -30px auto 50px;
    font-size: 1.1rem;
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.course-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(102, 252, 241, 0.1);
    border-color: rgba(102, 252, 241, 0.5);
}

.course-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 1px solid var(--glass-border);
}

.course-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.course-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.course-date {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    background: rgba(102, 252, 241, 0.1);
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
}

.course-info p:not(.course-date) {
    margin-bottom: 25px;
    flex-grow: 1;
}

.course-price {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 20px;
    text-align: center;
}

.payment-container {
    margin-top: auto;
    min-height: 150px;
}

/* Glass Section */
.glass-section {
    background: rgba(31, 40, 51, 0.3);
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    margin-bottom: 100px;
    padding-bottom: 40px;
}

/* Psychology Section */
.psychology-section {
    background: linear-gradient(rgba(11, 12, 16, 0.7), rgba(11, 12, 16, 0.95)), url('file:///C:/Users/user/.gemini/antigravity/brain/cb2887e1-545f-4c52-b583-359add7f7127/psychology_bg_1777394932564.png') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    border-radius: 30px;
    border: 1px solid rgba(102, 252, 241, 0.3);
    box-shadow: 0 0 40px rgba(69, 162, 158, 0.15);
    margin-bottom: 100px;
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.psychology-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(11, 12, 16, 0.8) 100%);
    pointer-events: none;
    z-index: 0;
}

.psychology-section > * {
    position: relative;
    z-index: 1;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    background: #050608;
    color: #888;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .courses-grid { grid-template-columns: 1fr; }
}