:root {
    --primary: #9333ea;
    --primary-dark: #7e22ce;
    --secondary: #ec4899;
    --text-light: #f3f4f6;
    --text-dark: #1f2937;
    --bg-dark: #111827;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --card-shadow: 0 4px 20px rgba(147, 51, 234, 0.1);
}

a {
    text-decoration: none;
}

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

body {
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fafafa;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(17, 24, 39, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-button {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-button:hover {
    background: var(--gradient);
    border-color: transparent;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    padding-top: 4rem;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(147, 51, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

.glowing-text {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: glow 3s ease-in-out infinite alternate;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

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

/* Buttons */
.primary-button {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(147, 51, 234, 0.3);
}

.secondary-button {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.start-button {
    background: white;
    color: var(--primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.assessment-card:hover .icon-circle {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}


.start-button:hover {
    background: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: white;
    position: relative;
}

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

.badge {
    background: var(--gradient);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-header p {
    color: #666;
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.assessment-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
}

.assessment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient);
    opacity: 0.9;
    transition: all 0.3s ease;
}

.card-content {
    position: relative;
    height: 100%;
    padding: 2rem;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.3s ease;
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.icon-circle i {
    font-size: 2rem;
    color: white;
}

.assessment-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.assessment-card p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: var(--gradient);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Benefits Section */
.benefits {
    padding: 8rem 0;
    background: #f8f9ff;
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(147, 51, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.benefits .container {
    position: relative;
    z-index: 2;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(147, 51, 234, 0.15);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.benefit-icon i {
    font-size: 1.8rem;
    color: white;
}

.benefit-card h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.benefit-card p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 8rem 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.cta-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 30% 50%, rgba(147, 51, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.cta-content {
    text-align: left;
    color: var(--text-light);
    max-width: none;
    margin: 0 auto;
}

.cta-content h2 {
    text-align: left;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Animations */
@keyframes glow {
    0% {
        text-shadow: 0 0 20px rgba(147, 51, 234, 0.5);
    }
    100% {
        text-shadow: 0 0 40px rgba(236, 72, 153, 0.8);
    }
}

/* Card Background Patterns */
.aptitude::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M54.627 0l.83.828-1.415 1.415L51.8 0h2.827zM5.373 0l-.83.828L5.96 2.243 8.2 0H5.374zM48.97 0l3.657 3.657-1.414 1.414L46.143 0h2.828zM11.03 0L7.372 3.657 8.787 5.07 13.857 0H11.03zm32.284 0L49.8 6.485 48.384 7.9l-7.9-7.9h2.83zM16.686 0L10.2 6.485 11.616 7.9l7.9-7.9h-2.83zM22.344 0L13.858 8.485 15.272 9.9l7.9-7.9h-.828zm5.656 0L19.515 8.485 17.343 10.657 28 0h-2.83zM32.656 0L41.142 8.485 39.728 9.9l-7.9-7.9h.828zm5.656 0l8.485 8.485-2.172 2.172L28 0h2.83zM0 0l.828.828-1.415 1.415L0 2.828V0zm54.627 60l.83-.828-1.415-1.415L51.8 60h2.827zm-49.254 0l-.83-.828L5.96 57.757 8.2 60H5.374zm43.597 0l3.657-3.657-1.414-1.414L46.143 60h2.828zm-37.94 0L7.372 56.343 8.787 54.93 13.857 60H11.03zm32.284 0L49.8 53.515l-1.415-1.414-7.9 7.9h2.83zm-21.257 0L10.2 53.515l1.415-1.414 7.9 7.9h-2.83zm5.657 0L13.858 51.515l1.414-1.414 7.9 7.9h-.828zm5.657 0L19.515 51.515l-2.172-2.172L28 60h-2.83zm5.657 0l8.485-8.485-1.414-1.414-7.9 7.9h.828zm5.657 0l8.485-8.485-2.172-2.172L28 60h2.83zM0 60l.828-.828-1.415-1.415L0 57.172V60z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.technical::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");
}

.competitive::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='52' height='26' viewBox='0 0 52 26' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M10 10c0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6h2c0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4v2c-3.314 0-6-2.686-6-6 0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6zm25.464-1.95l8.486 8.486-1.414 1.414-8.486-8.486 1.414-1.414z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Responsive Design */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .assessment-card {
        height: 250px;
    }

    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .benefit-card {
        padding: 1.5rem;
    }
    
    .benefit-icon {
        width: 60px;
        height: 60px;
    }
    
    .benefit-icon i {
        font-size: 1.5rem;
    }
    
    .benefit-card h3 {
        font-size: 1.3rem;
    }
    
    .benefit-card p {
        font-size: 1rem;
    }

    .header-container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.2rem;
    }

    .login-button {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }

    .assessment-card {
        height: 220px;
    }

    .benefits {
        padding: 4rem 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .icon-circle {
        width: 60px;
        height: 60px;
    }

    .assessment-card h3 {
        font-size: 1.5rem;
    }

    .assessment-card p {
        font-size: 1rem;
    }
}