/* ================================
   Features Page Specific Styles
   ================================ */

/* Features Hero */
.features-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    text-align: center;
}

.features-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.features-hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

/* Platform Overview */
.platform-overview {
    padding: var(--spacing-3xl) 0;
    background: white;
}

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

.platform-item {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
}

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

.platform-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.platform-item h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.platform-item p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.platform-badge {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary-gradient-start);
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Client Platform Section */
.client-platform-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

/* App Showcase */
.app-showcase {
    margin-bottom: var(--spacing-3xl);
}

.app-platforms {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.platform-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition-base);
}

.platform-tab svg {
    width: 24px;
    height: 24px;
}

.platform-tab:hover {
    border-color: var(--primary-gradient-start);
    color: var(--primary-gradient-start);
}

.platform-tab.active {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    border-color: transparent;
}

/* App Display */
.app-display {
    position: relative;
    min-height: 600px;
}

.app-screen {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.app-screen.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

/* Device Frames */
.device-frame {
    position: relative;
    margin: 0 auto;
    box-shadow: var(--shadow-2xl);
    border-radius: 40px;
    overflow: hidden;
}

.device-frame.iphone {
    width: 375px;
    aspect-ratio: 9/19.5;
    background: #000;
    padding: 12px;
}

.device-frame.android {
    width: 360px;
    aspect-ratio: 9/19.5;
    background: #000;
    padding: 8px;
    border-radius: 30px;
}

.device-frame.browser {
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16/10;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 0;
}

.device-content {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 32px;
    overflow: hidden;
}

.device-frame.android .device-content {
    border-radius: 24px;
}

.device-frame.browser .device-content {
    border-radius: var(--radius-lg);
}

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

/* App Features List */
.app-features-list {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.app-features-list h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.app-features-list ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.app-features-list li {
    color: var(--gray-700);
    font-size: var(--font-size-base);
}

/* Features Detailed Grid */
.features-detailed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.feature-detailed-card {
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.feature-detailed-card:hover {
    border-color: var(--primary-gradient-start);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.feature-detailed-card .feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.feature-detailed-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature-detailed-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.feature-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-bullets li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.feature-bullets li::before {
    content: '•';
    color: var(--primary-gradient-start);
    font-weight: 700;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

/* Coach Platform Section */
.coach-platform-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

/* Coach Features Navigation */
.coach-features-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.coach-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
}

.coach-nav-btn:hover {
    background: white;
    border-color: var(--primary-gradient-start);
}

.coach-nav-btn.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-color: var(--primary-gradient-start);
}

.nav-icon {
    font-size: 32px;
}

.nav-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
}

/* Coach Feature Content */
.coach-feature-content {
    position: relative;
    min-height: 600px;
}

.coach-section {
    display: none;
}

.coach-section.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

/* Section Layout */
.section-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.section-text {
    position: sticky;
    top: 100px;
}

.section-text h3 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.section-lead {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.feature-bullets-large {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-bullets-large li {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.feature-bullets-large strong {
    font-size: var(--font-size-base);
    color: var(--gray-900);
    font-weight: 600;
}

.feature-bullets-large span {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

/* Webapp Screenshot */
.webapp-screenshot {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.webapp-screenshot img {
    width: 100%;
    height: auto;
    display: block;
}

/* Integration Section */
.integration-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.integration-card {
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    text-align: center;
}

.integration-card:hover {
    border-color: var(--primary-gradient-start);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.integration-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.integration-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.integration-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.code-snippet {
    padding: var(--spacing-md);
    background: var(--gray-900);
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Consolas', monospace;
}

.code-snippet code {
    color: #10b981;
    font-size: var(--font-size-sm);
    word-break: break-all;
}

.integration-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.logo-badge {
    padding: 4px 12px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--gray-700);
}

.api-docs-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-gradient-start);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-fast);
}

.api-docs-link:hover {
    gap: var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section-layout {
        grid-template-columns: 1fr;
    }

    .section-text {
        position: static;
    }

    .app-screen.active {
        grid-template-columns: 1fr;
    }

    .coach-features-nav {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    /* Hero Section */
    .features-hero {
        padding: 100px 0 60px;
    }

    .features-hero h1 {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .features-hero .lead {
        font-size: 16px;
    }

    /* Platform Grid */
    .platform-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .platform-item {
        padding: 20px;
    }

    .platform-icon {
        font-size: 36px;
    }

    /* App Platforms */
    .app-platforms {
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        padding-bottom: 8px;
    }

    .platform-tab {
        flex-shrink: 0;
        width: auto;
        padding: 12px 16px;
        font-size: 14px;
        min-height: 44px;
    }

    /* App Display */
    .app-display {
        min-height: auto;
    }

    .app-screen.active {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* Device Frames */
    .device-frame.iphone,
    .device-frame.android {
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .device-frame.browser {
        max-width: 100%;
        border-radius: 12px;
    }

    /* App Features List */
    .app-features-list {
        padding: 20px;
    }

    .app-features-list h4 {
        font-size: 18px;
    }

    /* Features Detailed Grid */
    .features-detailed-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 40px;
    }

    .feature-detailed-card {
        padding: 20px;
    }

    .feature-detailed-card .feature-icon {
        font-size: 36px;
    }

    .feature-detailed-card h3 {
        font-size: 18px;
    }

    /* Coach Features Nav - Horizontal Scroll */
    .coach-features-nav {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        padding-bottom: 12px;
        scrollbar-width: none;
    }

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

    .coach-nav-btn {
        flex-shrink: 0;
        flex-direction: row;
        padding: 10px 16px;
        gap: 8px;
        min-height: 44px;
    }

    .nav-icon {
        font-size: 20px;
    }

    .nav-text {
        font-size: 12px;
        white-space: nowrap;
    }

    /* Section Layout */
    .section-layout {
        gap: 24px;
    }

    .section-text h3 {
        font-size: 1.5rem;
    }

    .section-lead {
        font-size: 16px;
    }

    .feature-bullets-large {
        gap: 16px;
    }

    /* Coach Feature Content */
    .coach-feature-content {
        min-height: auto;
    }

    /* Webapp Screenshot */
    .webapp-screenshot {
        border-radius: 12px;
    }

    /* Integration Grid */
    .integration-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .integration-card {
        padding: 20px;
    }

    .integration-icon {
        font-size: 36px;
    }

    .integration-card h3 {
        font-size: 18px;
    }

    /* Code Snippet */
    .code-snippet {
        padding: 12px;
        overflow-x: auto;
    }

    .code-snippet code {
        font-size: 11px;
    }

    /* CTA Section */
    .cta-section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .cta-buttons .btn {
        width: 100%;
        padding: 16px;
        font-size: 16px;
    }
}

/* Small Mobile - 480px */
@media (max-width: 480px) {
    .features-hero {
        padding: 90px 0 48px;
    }

    .features-hero h1 {
        font-size: 1.5rem;
    }

    .platform-item {
        padding: 16px;
    }

    .platform-icon {
        font-size: 32px;
        margin-bottom: 12px;
    }

    .platform-item h3 {
        font-size: 16px;
    }

    .feature-detailed-card {
        padding: 16px;
    }

    .coach-nav-btn {
        padding: 8px 12px;
    }

    .nav-icon {
        font-size: 18px;
    }

    .nav-text {
        font-size: 11px;
    }

    .section-text h3 {
        font-size: 1.25rem;
    }

    .integration-card {
        padding: 16px;
    }
}