/*
 * Welcome Pages Shared Styles
 * Reusable styles for U2AI, AI2U, and other welcome/landing pages
 * Following DRY principle for consistent design across welcome pages
 */

/* =================================================================
   Hero Section
   ================================================================= */

.welcome-hero {
    background: linear-gradient(135deg,
        var(--background-color) 0%,
        var(--surface-color) 50%,
        var(--hover-color) 100%);
    padding: 4rem 0;
    text-align: center;
    border-bottom: 2px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}

/* Subtle gradient overlay for depth */
.welcome-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, var(--primary-color-25) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, var(--accent-color-25) 0%, transparent 50%);
    pointer-events: none;
}

/* Hero title with gradient text */
.welcome-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

/* Hero subtitle */
.welcome-hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary-color);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* CTA buttons container */
.welcome-hero .cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
}

/* =================================================================
   Journey/Delivery Path Visual
   ================================================================= */

.welcome-journey {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 3rem auto;
    max-width: 600px;
    padding: 2rem;
    background: var(--surface-color);
    border-radius: 2rem;
    border: 1px solid var(--border-color);
}

.welcome-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.welcome-step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--background-color);
    font-weight: bold;
}

.welcome-step span {
    font-size: 0.875rem;
    color: var(--text-secondary-color);
}

.welcome-arrow {
    font-size: 2rem;
    color: var(--accent-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

/* Alternative arrow animation for delivery */
@keyframes deliver {
    0%, 100% {
        transform: translateX(0);
        opacity: 1;
    }
    50% {
        transform: translateX(10px);
        opacity: 0.8;
    }
}

.welcome-arrow.deliver {
    animation: deliver 2s infinite;
}

/* =================================================================
   Breadcrumbs
   ================================================================= */

.welcome-breadcrumbs {
    padding: 1rem 2rem;
    background: var(--hover-color);
    border-bottom: 1px solid var(--border-color);
}

.welcome-breadcrumbs nav {
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-breadcrumbs ol {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.5rem;
    align-items: center;
}

.welcome-breadcrumbs li::after {
    content: '>';
    margin-left: 0.5rem;
    color: var(--text-secondary-color);
}

.welcome-breadcrumbs li:last-child::after {
    display: none;
}

.welcome-breadcrumbs a {
    color: var(--primary-color);
    text-decoration: none;
}

.welcome-breadcrumbs a:hover {
    text-decoration: underline;
}

.welcome-breadcrumbs .active {
    color: var(--text-secondary-color);
    font-weight: 500;
}

/* =================================================================
   Content Sections
   ================================================================= */

.welcome-content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.welcome-content-section {
    margin: 3rem 0;
}

/* Clickable headers with hover effect */
.welcome-content-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
    cursor: pointer;
}

.welcome-content-section h3 {
    color: var(--text-color);
    margin: 2rem 0 1rem;
    position: relative;
    cursor: pointer;
}

.welcome-content-section h4 {
    color: var(--text-color);
    margin: 1.5rem 0 0.75rem;
    position: relative;
    cursor: pointer;
}

/* Header hover effect */
.welcome-content-section h2:hover,
.welcome-content-section h3:hover,
.welcome-content-section h4:hover {
    color: var(--accent-color);
}

/* =================================================================
   All Tables (Markdown and Comparison)
   ================================================================= */

/* Beautiful styling for all markdown-generated tables */
.welcome-content-section table {
    width: 100%;
    margin: 2rem 0;
    background: var(--surface-color);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-collapse: separate;
    border-spacing: 0;
}

/* Table headers with gradient background */
.welcome-content-section thead {
    background: linear-gradient(135deg,
        var(--header-color) 0%,
        color-mix(in srgb, var(--header-color) 85%, var(--primary-color)) 100%);
    border-bottom: 2px solid var(--accent-color);
}

.welcome-content-section th {
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color);
}

/* First header cell rounded corners and centered */
.welcome-content-section th:first-child {
    border-top-left-radius: 0.75rem;
    text-align: center;
}

.welcome-content-section th:last-child {
    border-top-right-radius: 0.75rem;
    text-align: center;
}

/* Table body cells */
.welcome-content-section td {
    padding: 1rem 1.5rem;
    color: var(--text-color);
    border-top: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
}

/* First column bold and centered for feature/platform names */
.welcome-content-section tbody td:first-child {
    font-weight: 600;
    color: var(--text-secondary-color);
    text-align: center;
}

/* Center align certain columns */
.welcome-content-section tbody td:nth-child(2),
.welcome-content-section tbody td:nth-child(3) {
    text-align: center;
}

/* Alternating row colors */
.welcome-content-section tbody tr:nth-child(odd) {
    background: color-mix(in srgb, var(--surface-color) 95%, var(--primary-color));
}

.welcome-content-section tbody tr:nth-child(even) {
    background: var(--surface-color);
}

/* Row hover effect */
.welcome-content-section tbody tr {
    transition: all 0.2s ease;
}

.welcome-content-section tbody tr:hover {
    background: color-mix(in srgb, var(--hover-color) 70%, var(--primary-color));
    transform: scale(1.01);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Special highlighting for our platform row */
.welcome-content-section tbody tr.ai2u-row {
    background: linear-gradient(90deg,
        color-mix(in srgb, var(--primary-color) 15%, transparent) 0%,
        color-mix(in srgb, var(--accent-color) 10%, transparent) 100%);
    position: relative;
}

/* Removed left accent bar to prevent any alignment issues */

/* Make strong/bold text in tables stand out */
.welcome-content-section table strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Responsive table wrapper */
.welcome-content-section .table-wrapper,
.welcome-content-section .overflow-x-auto {
    overflow-x: auto;
    margin: 0 -1rem;
    padding: 0 1rem;
}

/* Mobile-friendly scrollbar */
.welcome-content-section .table-wrapper::-webkit-scrollbar,
.welcome-content-section .overflow-x-auto::-webkit-scrollbar {
    height: 8px;
}

.welcome-content-section .table-wrapper::-webkit-scrollbar-track,
.welcome-content-section .overflow-x-auto::-webkit-scrollbar-track {
    background: var(--surface-color);
    border-radius: 4px;
}

.welcome-content-section .table-wrapper::-webkit-scrollbar-thumb,
.welcome-content-section .overflow-x-auto::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

/* =================================================================
   Competitor Comparison Table (specific styles)
   ================================================================= */

.welcome-competitors {
    margin-top: 3rem;
}

.welcome-competitors h2 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-competitors-table {
    width: 100%;
    background: var(--surface-color);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-collapse: separate;
    border-spacing: 0;
}

.welcome-competitors-table thead {
    background: linear-gradient(135deg,
        var(--header-color) 0%,
        color-mix(in srgb, var(--header-color) 85%, var(--primary-color)) 100%);
    border-bottom: 2px solid var(--accent-color);
}

.welcome-competitors-table th,
.welcome-competitors-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
}

.welcome-competitors-table th {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.welcome-competitors-table tbody tr {
    border-top: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    transition: all 0.2s ease;
}

.welcome-competitors-table tbody tr:hover {
    background: color-mix(in srgb, var(--hover-color) 70%, var(--primary-color));
    transform: scale(1.01);
}

.welcome-competitors-table tbody tr.highlight {
    background: linear-gradient(90deg,
        color-mix(in srgb, var(--primary-color) 15%, transparent) 0%,
        color-mix(in srgb, var(--accent-color) 10%, transparent) 100%);
    position: relative;
}

/* Removed left accent bar for clean alignment */

/* =================================================================
   CTA Section
   ================================================================= */

.welcome-cta {
    margin-top: 4rem;
    text-align: center;
    padding: 3rem;
    background: var(--surface-color);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.welcome-cta h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-cta p {
    font-size: 1.25rem;
    color: var(--text-secondary-color);
    margin-bottom: 2rem;
}

.welcome-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =================================================================
   Mobile Responsiveness
   ================================================================= */

@media (max-width: 768px) {
    .welcome-hero h1 {
        font-size: 2.5rem;
    }

    .welcome-hero .subtitle {
        font-size: 1.1rem;
    }

    .welcome-journey {
        flex-direction: column;
        gap: 2rem;
    }

    .welcome-arrow {
        transform: rotate(90deg);
    }

    .welcome-arrow.deliver {
        animation: none;
        transform: rotate(90deg);
    }

    .welcome-content-wrapper {
        padding: 1rem;
    }

    .welcome-competitors-table {
        font-size: 0.875rem;
    }

    .welcome-cta h2 {
        font-size: 2rem;
    }
}