/**
 * Home Page Styles
 * Used by: index.html
 *
 * Components:
 * - Welcome Section
 * - Feature Grid & Cards
 * - Empty State
 */

/* ==========================================================================
   WELCOME SECTION
   Hero banner at top of home page
   ========================================================================== */

.welcome-section {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    margin-bottom: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.welcome-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.welcome-section h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    position: relative;
}

.welcome-section p {
    font-size: 1.0625rem;
    opacity: 0.9;
    margin: 0;
    position: relative;
}

.welcome-icon {
    position: absolute;
    right: 2.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 5rem;
    opacity: 0.15;
}

/* ==========================================================================
   SECTION TITLE
   Section headers with icon
   ========================================================================== */

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-neutral-800);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    color: var(--color-primary-500);
}

/* ==========================================================================
   FEATURE GRID & CARDS
   Feature card layout for quick access
   ========================================================================== */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-500) 0%, var(--color-primary-400) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.15);
    border-color: var(--color-primary-200);
}

.feature-card:hover::before {
    opacity: 1;
}

/* Feature Icon */
.feature-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--color-primary-100) 0%, var(--color-primary-50) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--color-primary-500);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    transform: scale(1.05);
}

.feature-card:hover .feature-icon i {
    color: var(--color-white);
}

/* Feature Content */
.feature-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-neutral-800);
    margin-bottom: 0.5rem;
}

.feature-description {
    font-size: 0.9375rem;
    color: var(--color-neutral-600);
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
}

/* Feature Link */
.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary-500);
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.feature-link i {
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.feature-link:hover {
    color: var(--color-primary-600);
}

.feature-link:hover i {
    transform: translateX(4px);
}

/* ==========================================================================
   EMPTY STATE
   Shown when no features are available
   ========================================================================== */

.empty-state {
    background: var(--color-neutral-50);
    border: 2px dashed var(--color-neutral-300);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
}

.empty-state i {
    font-size: 3rem;
    color: var(--color-neutral-400);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-neutral-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--color-neutral-500);
    margin: 0;
}

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

@media (max-width: 768px) {
    .welcome-section {
        padding: 1.5rem;
    }

    .welcome-section h1 {
        font-size: 1.5rem;
    }

    .welcome-icon {
        display: none;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Very small phones --- */
@media (max-width: 480px) {
    .welcome-section {
        padding: 1rem;
    }
    .welcome-section h1 {
        font-size: 1.25rem;
    }
    .feature-card {
        padding: 1rem;
    }
    .feature-icon {
        width: 40px;
        height: 40px;
    }
    .feature-icon i {
        font-size: 1.25rem;
    }
}