/* ==========================================================================
   Nexocampus - Estilos página de funcionalidades
   ========================================================================== */

/* --------------------------------------------------------------------------
   Page Hero
   -------------------------------------------------------------------------- */
.page-hero {
    padding-top: calc(110px + var(--spacing-16));
    padding-bottom: var(--spacing-16);
    background: linear-gradient(180deg, var(--color-primary-50) 0%, var(--color-white) 100%);
    text-align: center;
}

.page-hero h1 {
    margin-bottom: var(--spacing-4);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-hero p {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Features Navigation
   -------------------------------------------------------------------------- */
.features-nav {
    position: sticky;
    top: 110px;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-slate-200);
    padding: var(--spacing-4) 0;
}

.features-nav-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-6);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.features-nav-list::-webkit-scrollbar {
    display: none;
}

.features-nav-list a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-slate-500);
    white-space: nowrap;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.features-nav-list a:hover {
    color: var(--color-slate-900);
    background: var(--color-slate-100);
}

.features-nav-list a.active {
    color: var(--color-primary);
    background: var(--color-primary-50);
}

/* --------------------------------------------------------------------------
   Feature Sections
   -------------------------------------------------------------------------- */
.feature-section {
    padding: var(--spacing-20) 0;
}

.feature-section.alt {
    background: var(--color-slate-50);
}

.feature-section.featured-bg {
    background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-slate-800) 100%);
    color: var(--color-white);
}

.feature-section.featured-bg h2 {
    color: var(--color-white);
}

.feature-section.featured-bg p {
    color: var(--color-slate-400);
}

.feature-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.feature-content.reverse {
    direction: rtl;
}

.feature-content.reverse > * {
    direction: ltr;
}

.feature-text {
    max-width: 520px;
}

.feature-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
}

/* --------------------------------------------------------------------------
   Feature List
   -------------------------------------------------------------------------- */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.feature-list li {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    padding: var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-slate-100);
}

.feature-section.alt .feature-list li {
    background: var(--color-white);
}

.feature-section.featured-bg .feature-list li {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.1);
}

.feature-list.light li {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.1);
}

.feature-list li strong {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-slate-900);
}

.feature-section.featured-bg .feature-list li strong,
.feature-list.light li strong {
    color: var(--color-white);
}

.feature-list li span {
    font-size: var(--font-size-sm);
    color: var(--color-slate-500);
}

.feature-section.featured-bg .feature-list li span,
.feature-list.light li span {
    color: var(--color-slate-400);
}

/* --------------------------------------------------------------------------
   Feature Mockups
   -------------------------------------------------------------------------- */
.feature-visual {
    display: flex;
    justify-content: center;
}

.feature-mockup {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-slate-200);
}

/* Brand Mockup */
.feature-mockup .mockup-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--color-slate-100);
    margin-bottom: var(--spacing-6);
}

.mockup-brand .mockup-logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
}

.mockup-brand span {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-slate-900);
}

.mockup-colors {
    display: flex;
    gap: var(--spacing-3);
}

.color-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.1);
}

/* Courses Mockup */
.feature-mockup.courses {
    padding: var(--spacing-4);
}

.mockup-module {
    margin-bottom: var(--spacing-4);
}

.mockup-module:last-child {
    margin-bottom: 0;
}

.module-header {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-slate-900);
    padding: var(--spacing-3);
    background: var(--color-slate-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-2);
}

.module-lessons {
    padding-left: var(--spacing-4);
}

.lesson {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-slate-600);
    border-radius: var(--radius-sm);
}

.lesson:hover {
    background: var(--color-slate-50);
}

.lesson-icon {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lesson-icon.video {
    background: #EF4444;
}

.lesson-icon.video::before {
    content: '▶';
    font-size: 8px;
    color: white;
}

.lesson-icon.doc {
    background: #3B82F6;
}

.lesson-icon.doc::before {
    content: '📄';
    font-size: 10px;
}

.lesson-icon.quiz {
    background: #10B981;
}

.lesson-icon.quiz::before {
    content: '✓';
    font-size: 10px;
    color: white;
}

/* Video Player Mockup */
.feature-mockup.video-player {
    padding: 0;
    overflow: hidden;
}

.player-screen {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--color-slate-800) 0%, var(--color-slate-900) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-play {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-slate-900);
}

.player-controls {
    padding: var(--spacing-4);
    background: var(--color-slate-900);
}

.player-progress {
    height: 4px;
    background: var(--color-slate-700);
    border-radius: 2px;
    margin-bottom: var(--spacing-2);
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
}

.player-time {
    font-size: var(--font-size-xs);
    color: var(--color-slate-400);
}

/* Quiz Mockup */
.feature-mockup.quiz {
    padding: var(--spacing-6);
}

.quiz-question .question-text {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-slate-900);
    margin-bottom: var(--spacing-4);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.quiz-options .option {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-slate-600);
    background: var(--color-slate-50);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quiz-options .option:hover {
    background: var(--color-slate-100);
}

.quiz-options .option.selected {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.option .radio {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-slate-300);
    border-radius: 50%;
}

.option.selected .radio.checked {
    border-color: var(--color-primary);
    background: var(--color-primary);
    box-shadow: inset 0 0 0 3px white;
}

/* Certificate Mockup */
.feature-mockup.certificate {
    text-align: center;
    background: linear-gradient(135deg, #FEF3C7 0%, #FFFBEB 100%);
    border: 2px solid #D97706;
}

.cert-header {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: #92400E;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-4);
}

.cert-body {
    margin-bottom: var(--spacing-4);
}

.cert-text {
    font-size: var(--font-size-xs);
    color: #92400E;
    margin-bottom: var(--spacing-1);
}

.cert-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #78350F;
    margin-bottom: var(--spacing-2);
}

.cert-course {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #92400E;
}

.cert-qr {
    width: 48px;
    height: 48px;
    background: #78350F;
    margin: 0 auto;
    border-radius: var(--radius-sm);
}

/* Payments Mockup */
.feature-mockup.payments {
    text-align: center;
}

.payment-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--color-slate-800) 0%, var(--color-slate-900) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
}

.card-icon {
    font-size: 2rem;
}

.card-details {
    text-align: left;
}

.card-number {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    font-family: monospace;
}

.card-expiry {
    font-size: var(--font-size-xs);
    color: var(--color-slate-400);
}

.payment-amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-slate-900);
    margin-bottom: var(--spacing-4);
}

.payment-btn {
    display: inline-block;
    padding: var(--spacing-3) var(--spacing-8);
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    border-radius: var(--radius-lg);
}

/* Affiliates Mockup */
.feature-mockup.affiliates {
    padding: var(--spacing-6);
}

.affiliate-stat {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-slate-500);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-slate-900);
}

.stat-trend {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.stat-trend.up {
    color: var(--color-success);
}

.affiliate-bar {
    display: flex;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-3);
}

.bar-segment {
    height: 100%;
}

.affiliate-legend {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--color-slate-500);
}

/* Audit Mockup */
.feature-mockup.audit {
    background: var(--color-slate-800);
    border-color: var(--color-slate-700);
}

.audit-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
}

.audit-icon {
    font-size: 1.5rem;
}

.audit-stats {
    display: flex;
    gap: var(--spacing-6);
}

.audit-stat {
    text-align: center;
}

.stat-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: conic-gradient(var(--color-success) var(--progress), var(--color-slate-700) 0);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-2);
    position: relative;
}

.stat-circle::after {
    content: '';
    position: absolute;
    width: 64px;
    height: 64px;
    background: var(--color-slate-800);
    border-radius: 50%;
}

.audit-stat span {
    font-size: var(--font-size-xs);
    color: var(--color-slate-400);
}

.audit-rows {
    flex: 1;
}

.audit-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-2) 0;
    border-bottom: 1px solid var(--color-slate-700);
    font-size: var(--font-size-sm);
}

.audit-row:last-child {
    border-bottom: none;
}

.audit-row span {
    color: var(--color-slate-400);
}

.audit-row strong {
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   More Features
   -------------------------------------------------------------------------- */
.more-features {
    background: var(--color-white);
}

.more-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.more-item {
    text-align: center;
    padding: var(--spacing-6);
    background: var(--color-slate-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.more-item:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.more-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-3);
    display: block;
}

.more-item h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-2);
}

.more-item p {
    font-size: var(--font-size-sm);
    color: var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .more-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .feature-content,
    .feature-content.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .feature-text {
        max-width: none;
    }
    
    .feature-visual {
        order: -1;
    }
    
    .features-nav-list {
        justify-content: flex-start;
        padding: 0 var(--spacing-4);
    }
    
    .more-grid {
        grid-template-columns: 1fr;
    }
    
    .audit-stats {
        flex-direction: column;
        align-items: center;
    }
}