/* Modern Sections 2025 */

/* Intro Section */
.intro-section {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--gray-700);
    animation: slideUp 0.8s ease-out;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(6, 182, 212, 0.05));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

/* Stats Bar */
.stats-bar {
    background: linear-gradient(135deg, #0a0a0f 0%, #0f0a15 50%, #0a0a0f 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
    position: relative;
    overflow: hidden;
}

.stats-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.stats-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

.stat-card {
    text-align: center;
    animation: slideUp 0.8s ease-out both;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), rgba(236, 72, 153, 0.05));
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(168, 85, 247, 0.25);
    transition: all var(--transition-base);
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.stat-card:hover {
    transform: translateY(-8px);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.12), rgba(236, 72, 153, 0.08));
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 12px 30px rgba(168, 85, 247, 0.15);
}

.stat-value {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    background: linear-gradient(135deg, #a855f7, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    animation: slideUp 0.8s ease-out 0.1s both;
}

.stat-label {
    font-size: 0.95rem;
    color: #d1d5db;
    font-weight: 600;
    letter-spacing: 0.5px;
    animation: slideUp 0.8s ease-out 0.2s both;
}

/* Benefits Section */
.benefits-section {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.benefits-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-700);
    animation: slideUp 0.8s ease-out;
    line-height: 1.8;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

/* Process Steps */
.how-it-works {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
    position: relative;
}

.process-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-700);
    animation: slideUp 0.8s ease-out;
    line-height: 1.8;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    z-index: 0;
    display: none;
}

@media (min-width: 1024px) {
    .process-steps::before {
        display: block;
    }
}

.process-step {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--gray-200);
    position: relative;
    z-index: 1;
    animation: slideUp 0.8s ease-out both;
    transition: all var(--transition-slow);
}

.process-step:nth-child(1) { animation-delay: 0.1s; }
.process-step:nth-child(2) { animation-delay: 0.2s; }
.process-step:nth-child(3) { animation-delay: 0.3s; }
.process-step:nth-child(4) { animation-delay: 0.4s; }

.process-step:hover {
    transform: translateY(-12px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: var(--white);
    border-radius: 50%;
    font-weight: 900;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
    animation: slideUp 0.6s ease-out 0.1s both;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    transition: all var(--transition-base);
    animation: slideUp 0.6s ease-out 0.2s both;
}

.process-step:hover .step-icon {
    transform: scale(1.2) rotate(10deg);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--primary);
    animation: slideUp 0.6s ease-out 0.3s both;
    transition: color var(--transition-base);
}

.process-step:hover .step-title {
    color: var(--accent-blue);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.8;
    animation: slideUp 0.6s ease-out 0.4s both;
}

/* Subject Coverage */
.subject-coverage {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.coverage-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-700);
    animation: slideUp 0.8s ease-out;
    line-height: 1.8;
}

.topics-list {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    max-width: 1000px;
    margin: 0 auto;
    line-height: 1.9;
    color: var(--gray-700);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--gray-200);
    animation: slideUp 0.8s ease-out 0.2s both;
    transition: all var(--transition-base);
}

.topics-list:hover {
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.1);
    transform: translateY(-4px);
    border-color: var(--accent-blue);
}

/* Platform Guide */
.platform-guide {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.platform-item {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--accent-blue);
    animation: slideUp 0.6s ease-out both;
    transition: all var(--transition-base);
}

.platform-item:nth-child(1) { animation-delay: 0.1s; }
.platform-item:nth-child(2) { animation-delay: 0.15s; }
.platform-item:nth-child(3) { animation-delay: 0.2s; }
.platform-item:nth-child(4) { animation-delay: 0.25s; }

.platform-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.1);
    border-left-color: var(--accent-cyan);
}

.platform-item h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.platform-item p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.platform-item strong {
    color: var(--accent-blue);
    font-weight: 700;
}

/* FAQ Section */
.faq-section {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.faq-item {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--accent-blue);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    animation: slideUp 0.6s ease-out both;
    transition: all var(--transition-base);
    cursor: pointer;
}

.faq-item:nth-child(1) { animation-delay: 0.05s; }
.faq-item:nth-child(2) { animation-delay: 0.1s; }
.faq-item:nth-child(3) { animation-delay: 0.15s; }
.faq-item:nth-child(4) { animation-delay: 0.2s; }
.faq-item:nth-child(5) { animation-delay: 0.25s; }
.faq-item:nth-child(6) { animation-delay: 0.3s; }
.faq-item:nth-child(7) { animation-delay: 0.35s; }
.faq-item:nth-child(8) { animation-delay: 0.4s; }
.faq-item:nth-child(9) { animation-delay: 0.45s; }
.faq-item:nth-child(10) { animation-delay: 0.5s; }

.faq-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.1);
    border-left-color: var(--accent-cyan);
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-base);
}

.faq-question:hover {
    color: var(--accent-blue);
}

.faq-question::after {
    content: "▼";
    font-size: 0.75rem;
    transition: transform var(--transition-base) cubic-bezier(0.34, 1.56, 0.64, 1);
    color: var(--accent-blue);
    font-weight: 900;
}

.faq-item.open .faq-question::after {
    transform: rotate(180deg);
}

.faq-answer {
    color: var(--gray-600);
    line-height: 1.8;
    font-size: 0.95rem;
    animation: slideDown 0.3s ease-out;
}

/* Testimonials Section */
.testimonials {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.testimonials-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-700);
    animation: slideUp 0.8s ease-out;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(-45deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-3xl) var(--spacing-lg) !important;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    z-index: 0;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
    z-index: 0;
}

.cta-section h2 {
    animation: slideUp 0.8s ease-out;
    position: relative;
    z-index: 1;
    color: var(--white);
}

.cta-section h2::after {
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
}

.cta-main {
    animation: slideUp 0.8s ease-out 0.1s both;
    position: relative;
    z-index: 1;
    color: var(--gray-100);
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}

.cta-urgency {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(20px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    font-size: 1rem;
    line-height: 1.8;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.8s ease-out 0.2s both;
    position: relative;
    z-index: 1;
    color: var(--gray-100);
}

.cta-final {
    animation: slideUp 0.8s ease-out 0.3s both;
    position: relative;
    z-index: 1;
    color: var(--gray-100);
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    text-align: center;
    font-size: 1rem;
    line-height: 1.8;
}

.cta-buttons {
    animation: slideUp 0.8s ease-out 0.4s both;
    position: relative;
    z-index: 1;
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn {
    animation: pulse 2s ease-in-out infinite;
}

.cta-section .btn:hover {
    animation: none;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
    }
    50% {
        box-shadow: 0 15px 60px rgba(59, 130, 246, 0.6);
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-2xl) var(--spacing-md) !important;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-section .btn {
        width: 100%;
    }
}