/* ===== SCROLLABLE 16:9 FEATURES LAYOUT - MOBILE OPTIMIZED ===== */

:root {
    --primary-blue: #0066CC;
    --primary-blue-dark: #004499;
    --bg-white: #FFFFFF;
    --bg-gray-50: #F9FAFB;
    --text-900: #111827;
    --text-700: #374151;
    --text-500: #6B7280;
    --border-200: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Desktop card sizing */
    --card-min-width: 320px;
    --card-max-width: 480px;
    --card-gap: 1.5rem;
}

/* ===== MAIN SECTION ===== */
.features-section {
    padding: 4rem 0;
    background: var(--bg-white);
    position: relative;
}

.features-wrapper {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}

/* ===== HEADER ===== */
.features-header {
    text-align: center;
    margin-bottom: 3rem;
}

.features-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-900);
    margin: 0 0 1rem 0;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.features-subtitle {
    font-size: 1.125rem;
    color: var(--text-700);
    margin: 0 auto;
    max-width: 600px;
    line-height: 1.6;
}

/* ===== SCROLLABLE CONTAINER ===== */
.features-container {
    display: flex;
    gap: var(--card-gap);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-blue) var(--bg-gray-50);
    padding: 1rem 0 2rem 0;
    position: relative;
}

.features-container::-webkit-scrollbar {
    height: 8px;
}

.features-container::-webkit-scrollbar-track {
    background: var(--bg-gray-50);
    border-radius: 4px;
}

.features-container::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 4px;
}

.features-container::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue-dark);
}

/* ===== FEATURE ITEMS ===== */
.feature-item {
    flex: 0 0 auto;
    min-width: var(--card-min-width);
    max-width: var(--card-max-width);
    width: clamp(var(--card-min-width), 35vw, var(--card-max-width));
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

/* ===== 16:9 IMAGE CARDS ===== */
.feature-card {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    margin-bottom: 1rem;
}

@supports not (aspect-ratio: 16 / 9) {
    .feature-card {
        height: 0;
        padding-bottom: 56.25%;
    }
    .feature-card > * {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
}

.feature-card:hover .card-image {
    transform: scale(1.05);
}

/* ===== LEARN MORE BUTTON OVERLAY ===== */
.card-learn-more {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: rgba(0, 102, 204, 0.9);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(4px);
    opacity: 0;
    transform: translateY(10px);
    z-index: 2;
}

.feature-card:hover .card-learn-more {
    opacity: 1;
    transform: translateY(0);
    background: rgba(0, 68, 153, 0.95);
}

.card-learn-more::after {
    content: '→';
    transition: var(--transition);
}

.card-learn-more:hover::after {
    transform: translateX(3px);
}

/* ===== CARD TITLES ===== */
.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-900);
    margin: 0;
    line-height: 1.4;
    text-align: left;
    width: 100%;
}

/* ===== SCROLL INDICATORS ===== */
.scroll-indicator {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--bg-white);
    border: 1px solid var(--border-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 10;
    color: var(--text-700);
    font-size: 1.25rem;
}

.scroll-indicator:hover {
    background: var(--bg-gray-50);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator.left { left: 1rem; }
.scroll-indicator.right { right: 1rem; }

.scroll-indicator:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: translateY(-50%) scale(1);
}

.scroll-indicator:disabled:hover {
    background: var(--bg-white);
    transform: translateY(-50%) scale(1);
    box-shadow: var(--shadow-md);
}

/* ===== SCROLL FADE EDGES ===== */
.features-wrapper::before,
.features-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40px;
    pointer-events: none;
    z-index: 5;
    transition: opacity 0.3s ease;
}

.features-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-white), transparent);
}

.features-wrapper::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg-white), transparent);
}

.features-wrapper.hide-left-fade::before { opacity: 0; }
.features-wrapper.hide-right-fade::after { opacity: 0; }

/* ===== RESPONSIVE DESIGN ===== */

/* Large Desktop */
@media (min-width: 1400px) {
    :root {
        --card-min-width: 380px;
        --card-max-width: 520px;
    }
}

/* Desktop */
@media (max-width: 1023px) and (min-width: 768px) {
    .features-wrapper { padding: 0 1.5rem; }
    :root {
        --card-min-width: 300px;
        --card-max-width: 400px;
        --card-gap: 1.25rem;
    }
    .features-title { font-size: 2.25rem; }
    .scroll-indicator { width: 36px; height: 36px; font-size: 1.125rem; }
}

/* Mobile - Optimized for compactness */
@media (max-width: 767px) {
    .features-section { padding: 2rem 0; }
    .features-wrapper { padding: 0 0.75rem; }
    .features-header { margin-bottom: 1.5rem; }
    .features-title { font-size: 1.875rem; margin-bottom: 0.75rem; }
    .features-subtitle { font-size: 1rem; line-height: 1.5; }
    .features-container { padding: 0.75rem 0 1.5rem 0; }
    
    :root {
        --card-min-width: 260px;
        --card-max-width: 300px;
        --card-gap: 0.875rem;
    }
    
    .feature-card { 
        margin-bottom: 0.75rem; 
        border-radius: 8px;
    }
    .card-title { font-size: 1.125rem; line-height: 1.3; }
    .card-learn-more {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
        bottom: 0.5rem;
        right: 0.5rem;
        border-radius: 4px;
    }
    
    .scroll-indicator {
        width: 28px;
        height: 28px;
        font-size: 0.875rem;
    }
    .scroll-indicator.left { left: 0.5rem; }
    .scroll-indicator.right { right: 0.5rem; }
    
    .features-wrapper::before,
    .features-wrapper::after { width: 20px; }
}

/* Small Mobile - Ultra compact */
@media (max-width: 479px) {
    .features-section { padding: 1.5rem 0; }
    .features-wrapper { padding: 0 0.5rem; }
    .features-header { margin-bottom: 1rem; }
    .features-title { font-size: 1.5rem; margin-bottom: 0.5rem; }
    .features-subtitle { font-size: 0.875rem; }
    .features-container { padding: 0.5rem 0 1rem 0; }
    
    :root {
        --card-min-width: 240px;
        --card-max-width: 280px;
        --card-gap: 0.75rem;
    }
    
    .feature-card { 
        margin-bottom: 0.5rem;
        border-radius: 6px;
    }
    .card-title { font-size: 1rem; }
    .card-learn-more {
        padding: 0.375rem 0.625rem;
        font-size: 0.7rem;
        bottom: 0.375rem;
        right: 0.375rem;
    }
    
    .scroll-indicator {
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }
    .scroll-indicator.left { left: 0.25rem; }
    .scroll-indicator.right { right: 0.25rem; }
    
    .features-wrapper::before,
    .features-wrapper::after { width: 15px; }
}

/* ===== ACCESSIBILITY ===== */
.card-learn-more:focus-visible,
.scroll-indicator:focus-visible,
.feature-card:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

@media (prefers-contrast: high) {
    .feature-card,
    .scroll-indicator {
        border: 2px solid var(--text-900);
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    .feature-card,
    .card-image,
    .card-learn-more,
    .scroll-indicator {
        transition: none !important;
    }
    .features-container { scroll-behavior: auto; }
    .feature-card:hover { transform: none; }
    .feature-card:hover .card-image { transform: none; }
}

/* ===== SCROLL SNAP ===== */
.features-container { scroll-snap-type: x mandatory; }
.feature-item { scroll-snap-align: start; }

@media (min-width: 1024px) {
    .features-container { scroll-snap-type: none; }
    .feature-item { scroll-snap-align: none; }
}