/* Shared design tokens (colors, fonts) */
@import url('/css/styles.css');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-primary-4);
    background-color: var(--color-primary-0);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background-image: linear-gradient(var(--color-primary-0), var(--color-primary-2)), url('resources/Background2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: grayscale(60%) contrast(25%) brightness(125%) opacity(25%);
    background-blend-mode: multiply;
}

/* Top Navigation Bar */
.top-row {
    display: flex;
    position: relative;
    height: 3.8rem;
    background-color: var(--color-primary-0);
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--color-primary-2);
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-box {
    width: 36px;
    height: 36px;
    background-color: var(--color-logo-background);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image {
    width: 28px;
    height: 28px;
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text a {
    text-decoration: none;
    color: var(--color-logo-text);
    font-family: 'Museo Modern', sans-serif;
    font-weight: 700;
    font-size: 1.9rem;
    display: flex;
    align-items: center;
    letter-spacing: -0.03em;
}

.page-label {
    margin-left: 0.5rem;
    font-size: 1.5rem;
    font-weight: 400;
    font-family: 'Museo Modern', sans-serif;
    transform: translateY(0.1rem);
}

.page-label-hub {
    color: var(--color-label-hub);
}

.page-label-essentials,
.page-label-exercises {
    color: var(--color-label-essentials);
}

.page-label-llm,
.page-label-doc {
    color: var(--color-label-llm);
}

.page-label-dashboard {
    color: var(--color-label-dashboard);
}

.page-label-support {
    color: var(--color-label-support);
}

.t2b-logo-container { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }

.t2b-logo-container, .t2b-logo-container:hover { text-decoration: none; }

.t2b-logo-image { height: 40px; width: 80px; flex-shrink: 0; object-fit: contain; cursor: pointer; }

/* Main Content Area */
.container {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem 1.5rem;
}

.header {
    margin-bottom: 0.5rem;
}

.header h1 {
    color: var(--color-primary-4);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.header p {
    color: var(--color-primary-3);
    font-size: 1.1rem;
}

/* Services Section */
.services-section {
    margin-bottom: 2rem;
}

/* Navigation Grid */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.nav-card {
    background-color: var(--color-primary-1);
    border: 1px solid var(--color-primary-2);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    cursor: pointer;
    position: relative;
    max-width: 400px;
}

.nav-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-card .nav-card-icon {
    margin: 0;
    flex-shrink: 0;
}

.nav-card h2 {
    margin: 0;
}

.nav-card-link {
    margin-top: auto;
}

.nav-card:hover {
    border-color: var(--color-accent-0);
    box-shadow: 0 4px 12px rgba(60, 130, 164, 0.15);
    transform: translateY(-2px);
}

.nav-card.disabled {
    position: relative;
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.nav-card.disabled:hover {
    border-color: var(--color-primary-2);
    box-shadow: none;
    transform: none;
}

.coming-soon-badge {
    position: absolute;
    top: 12px;
    right: -12px;
    background-color: var(--color-badge-coming-soon);
    color: white;
    padding: 0.5rem 0.85rem;
    font-size: 0.95rem;
    font-weight: normal;
    border-radius: 4px;
    transform: rotate(45deg);
    transform-origin: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.work-in-progress-badge {
    position: absolute;
    top: 12px;
    right: -12px;
    background-color: var(--color-badge-wip);
    color: white;
    padding: 0.5rem 0.85rem;
    font-size: 0.95rem;
    font-weight: normal;
    border-radius: 4px;
    transform: rotate(45deg);
    transform-origin: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.nav-card-icon {
    font-size: 2.5rem;
    display: inline-block;
    line-height: 1;
}

.nav-card h2 {
    color: var(--color-logo-text);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.nav-card p {
    color: var(--color-primary-3);
    font-size: 0.95rem;
    line-height: 1.5;
}

.brand-keyword {
    color: var(--color-keyword-brand);
    font-family: 'Museo Modern', sans-serif;
    font-weight: 600;
}

.api-keyword {
    color: var(--color-keyword-api);
    font-family: 'Museo Modern', sans-serif;
    font-weight: 600;
}

.sdk-keyword {
    color: var(--color-keyword-sdk);
    font-family: 'Museo Modern', sans-serif;
    font-weight: 600;
}

.nav-card-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-accent-0);
    color: white;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.3s;
    margin-top: auto;
}

.nav-card-link:hover {
    background-color: var(--color-accent-1);
}

/* Sections */
.section {
    margin-bottom: 3rem;
}

.section-title {
    color: var(--color-logo-text);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    margin-top: 0;
    border-bottom: 2px solid var(--color-accent-0);
    padding-bottom: 0.5rem;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-item {
    background-color: var(--color-primary-1);
    border-left: 4px solid var(--color-accent-0);
    padding: 1rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.service-item:hover {
    background-color: rgba(60, 130, 164, 0.1);
    transform: translateX(4px);
}

.service-item h3 {
    color: var(--color-logo-text);
    margin-bottom: 0.25rem;
}

.service-item p {
    color: var(--color-primary-3);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background-color: var(--color-primary-1);
    border-top: 1px solid var(--color-primary-2);
    padding: 1.5rem;
    text-align: center;
    color: var(--color-primary-3);
    font-size: 0.85rem;
    margin-top: auto;
}

.footer a {
    color: var(--color-accent-0);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

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

/* Mobile */
@media (max-width: 768px) {
    .top-row {
        padding: 0 1rem;
        height: 3.5rem;
    }

    .container {
        padding: 1.5rem 1rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .services-section {
        margin-left: 1rem;
        margin-right: 1rem;
    }

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

/* Dark Mode */
html.dark-mode .nav-card {
    background-color: var(--color-primary-1);
    border-color: var(--color-primary-3);
}

html.dark-mode .nav-card:hover {
    border-color: var(--color-accent-0);
}

html.dark-mode .service-item {
    background-color: var(--color-primary-1);
}

html.dark-mode .service-item:hover {
    background-color: rgba(60, 130, 164, 0.2);
}

html.dark-mode .footer {
    background-color: var(--color-primary-1);
    border-top-color: var(--color-primary-3);
}

/* Font Comparison */
.font-comparison {
    background-color: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--color-accent-0);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    background-color: var(--color-primary-1);
}

.font-comparison h3 {
    color: var(--color-logo-text);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.font-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.font-option {
    padding: 1rem;
    background-color: white;
    border: 1px solid var(--color-primary-2);
    border-radius: 6px;
    text-align: center;
}

.font-option-name {
    font-size: 0.85rem;
    color: var(--color-primary-3);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.font-option-text {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-logo-text);
    letter-spacing: 0.02em;
}

.font-1 { font-family: 'Helvetica Neue', sans-serif; }
.font-2 { font-family: 'Arial', sans-serif; }
.font-3 { font-family: 'Segoe UI', sans-serif; }
.font-4 { font-family: 'Trebuchet MS', sans-serif; }
.font-5 { font-family: 'Verdana', sans-serif; }
.font-6 { font-family: 'Inter', sans-serif; }
.font-7 { font-family: 'Roboto', sans-serif; }
.font-8 { font-family: 'Poppins', sans-serif; }
.font-9 { font-family: 'DM Sans', sans-serif; }
.font-10 { font-family: 'Outfit', sans-serif; }
.font-11 { font-family: 'Plus Jakarta Sans', sans-serif; }
.font-12 { font-family: 'Sora', sans-serif; }
.font-13 { font-family: 'Space Grotesk', sans-serif; }
.font-14 { font-family: 'Urbanist', sans-serif; }
.font-15 { font-family: 'Jost', sans-serif; }
.font-16 { font-family: 'Manrope', sans-serif; }
.font-17 { font-family: 'Epilogue', sans-serif; }
.font-18 { font-family: 'Clash Grotesk', sans-serif; }
.font-19 { font-family: 'Cabinet Grotesk', sans-serif; }
.font-20 { font-family: 'IBM Plex Sans', sans-serif; }
.font-21 { font-family: 'Source Sans Pro', sans-serif; }
.font-22 { font-family: 'Fira Sans', sans-serif; }
.font-23 { font-family: 'Cabin', sans-serif; }
.font-24 { font-family: 'Open Sans', sans-serif; }
.font-25 { font-family: 'Lato', sans-serif; }
.font-26 { font-family: 'Montserrat', sans-serif; }
.font-27 { font-family: 'Raleway', sans-serif; }
.font-28 { font-family: 'Nunito', sans-serif; }
.font-29 { font-family: 'Quicksand', sans-serif; }
.font-30 { font-family: 'Karla', sans-serif; }
.font-31 { font-family: 'Work Sans', sans-serif; }
.font-32 { font-family: 'Josefin Sans', sans-serif; }
.font-33 { font-family: 'Dosis', sans-serif; }
.font-34 { font-family: 'Comfortaa', sans-serif; }
.font-35 { font-family: 'Titillium Web', sans-serif; }
.font-36 { font-family: 'Ubuntu', sans-serif; }
.font-37 { font-family: 'Mulish', sans-serif; }
.font-38 { font-family: 'Lexend', sans-serif; }
.font-39 { font-family: 'Syne', sans-serif; }
.font-40 { font-family: 'Instrument Sans', sans-serif; }
.font-41 { font-family: 'Archivo', sans-serif; }
.font-42 { font-family: 'Assistant', sans-serif; }
.font-43 { font-family: 'Aeonik', sans-serif; }
.font-44 { font-family: 'Chivo', sans-serif; }
.font-45 { font-family: 'Kalam', sans-serif; }
.font-46 { font-family: 'Georgia', sans-serif; }
.font-47 { font-family: 'Times New Roman', sans-serif; }
.font-48 { font-family: 'Palatino', sans-serif; }
.font-49 { font-family: 'Garamond', sans-serif; }
.font-50 { font-family: 'Bookman', sans-serif; }
.font-51 { font-family: 'Courier Prime', sans-serif; }
.font-52 { font-family: 'Courier New', sans-serif; }
.font-53 { font-family: 'Lucida Console', sans-serif; }
.font-54 { font-family: 'Inconsolata', sans-serif; }
.font-55 { font-family: 'JetBrains Mono', sans-serif; }
.font-56 { font-family: 'Fira Code', sans-serif; }
.font-57 { font-family: 'Source Code Pro', sans-serif; }
.font-58 { font-family: 'Roboto Mono', sans-serif; }
.font-59 { font-family: 'IBM Plex Mono', sans-serif; }
.font-60 { font-family: 'Overpass Mono', sans-serif; }
.font-61 { font-family: 'Courier', sans-serif; }
.font-62 { font-family: 'Andale Mono', sans-serif; }
.font-63 { font-family: 'Comic Sans MS', sans-serif; }
.font-64 { font-family: 'Lucida Handwriting', sans-serif; }
.font-65 { font-family: 'Lucida Grande', sans-serif; }
.font-66 { font-family: 'MS Serif', sans-serif; }
.font-67 { font-family: 'MS Sans Serif', sans-serif; }
.font-68 { font-family: 'Calibri', sans-serif; }
.font-69 { font-family: 'Cambria', sans-serif; }
.font-70 { font-family: 'Arial Black', sans-serif; }
.font-71 { font-family: 'Impact', sans-serif; }
.font-72 { font-family: 'Century Gothic', sans-serif; }
.font-73 { font-family: 'Tahoma', sans-serif; }
.font-74 { font-family: 'Gill Sans', sans-serif; }
.font-75 { font-family: 'Optima', sans-serif; }
.font-76 { font-family: 'Hoefler Text', sans-serif; }
.font-77 { font-family: 'Apple Chancery', sans-serif; }
.font-78 { font-family: 'Charcoal', sans-serif; }
.font-79 { font-family: 'Helvetica', sans-serif; }
.font-80 { font-family: 'Times', sans-serif; }
.font-81 { font-family: 'Palatino Linotype', sans-serif; }
.font-82 { font-family: 'New Century Schoolbook', sans-serif; }
.font-83 { font-family: 'Garamond Pro', sans-serif; }
.font-84 { font-family: 'Constantia', sans-serif; }
.font-85 { font-family: 'Baskerville', sans-serif; }
.font-86 { font-family: 'Consolas', sans-serif; }
.font-87 { font-family: 'Monaco', sans-serif; }
.font-88 { font-family: 'Menlo', sans-serif; }
.font-89 { font-family: 'Ubuntu Mono', sans-serif; }
.font-90 { font-family: 'Segoe Print', sans-serif; }
.font-91 { font-family: 'Bradley Hand', sans-serif; }
.font-92 { font-family: 'Lucida Calligraphy', sans-serif; }
.font-93 { font-family: 'Marker Felt', sans-serif; }
.font-94 { font-family: 'Comic Neue', sans-serif; }
.font-95 { font-family: 'Chalkboard', sans-serif; }
.font-96 { font-family: 'Chalkboard SE', sans-serif; }

/* Geometric fonts with single-story 'a' */
.font-97 { font-family: 'Exo', sans-serif; }
.font-98 { font-family: 'Michroma', sans-serif; }
.font-99 { font-family: 'Play', sans-serif; }
.font-100 { font-family: 'Electrolize', sans-serif; }
.font-101 { font-family: 'Orbitron', sans-serif; }

/* Additional Geometric Sans Fonts */
.font-102 { font-family: 'Oxygen', sans-serif; }
.font-103 { font-family: 'Questrial', sans-serif; }
.font-104 { font-family: 'Rubik', sans-serif; }
.font-105 { font-family: 'Red Hat Display', sans-serif; }
.font-106 { font-family: 'Red Hat Text', sans-serif; }
.font-107 { font-family: 'Commissioner', sans-serif; }
.font-108 { font-family: 'Hanken Grotesk', sans-serif; }
.font-109 { font-family: 'Darker Grotesque', sans-serif; }
.font-110 { font-family: 'Bai Jamjuree', sans-serif; }
.font-111 { font-family: 'Chakra Petch', sans-serif; }
.font-112 { font-family: 'Catamaran', sans-serif; }
.font-113 { font-family: 'Varela Round', sans-serif; }
.font-114 { font-family: 'Prompt', sans-serif; }
.font-115 { font-family: 'Saira', sans-serif; }
.font-116 { font-family: 'Cabin Condensed', sans-serif; }
.font-117 { font-family: 'Antic', sans-serif; }
.font-118 { font-family: 'Economica', sans-serif; }
.font-119 { font-family: 'Prata', sans-serif; }
.font-120 { font-family: 'Ranchers', sans-serif; }
.font-121 { font-family: 'Righteous', sans-serif; }
.font-122 { font-family: 'Squada One', sans-serif; }
.font-123 { font-family: 'Rubik Mono One', sans-serif; }
.font-124 { font-family: 'DM Mono', sans-serif; }
.font-125 { font-family: 'B612', sans-serif; }
.font-126 { font-family: 'B612 Mono', sans-serif; }
.font-127 { font-family: 'IBM Plex Sans Condensed', sans-serif; }
.font-128 { font-family: 'Space Mono', sans-serif; }
.font-129 { font-family: 'Overpass', sans-serif; }
.font-130 { font-family: 'Overpass Mono', sans-serif; }
.font-131 { font-family: 'Roboto Condensed', sans-serif; }
.font-132 { font-family: 'Source Sans 3', sans-serif; }
.font-133 { font-family: 'Noto Sans', sans-serif; }
.font-134 { font-family: 'Noto Sans Display', sans-serif; }
.font-135 { font-family: 'Noto Sans Mono', sans-serif; }
.font-136 { font-family: 'Ubuntu Condensed', sans-serif; }
.font-137 { font-family: 'Ubuntu Mono', sans-serif; }
.font-138 { font-family: 'Fira Sans Condensed', sans-serif; }
.font-139 { font-family: 'Roboto Flex', sans-serif; }
.font-140 { font-family: 'Rubik Flex', sans-serif; }
.font-141 { font-family: 'Texturina', sans-serif; }
.font-142 { font-family: 'Livvic', sans-serif; }
.font-143 { font-family: 'Rajdhani', sans-serif; }
.font-144 { font-family: 'Encode Sans', sans-serif; }
.font-145 { font-family: 'Encode Sans Condensed', sans-serif; }
.font-146 { font-family: 'Encode Sans Expanded', sans-serif; }
.font-147 { font-family: 'Encode Sans Semi Condensed', sans-serif; }
.font-148 { font-family: 'Encode Sans Semi Expanded', sans-serif; }
.font-149 { font-family: 'Barlow', sans-serif; }
.font-150 { font-family: 'Barlow Condensed', sans-serif; }
.font-151 { font-family: 'Barlow Semi Condensed', sans-serif; }

/* MuseoModern - All Weights */
.font-mm-normal { font-family: 'Museo Modern', sans-serif; font-weight: 400; }
.font-mm-semibold { font-family: 'Museo Modern', sans-serif; font-weight: 600; }
.font-mm-bold { font-family: 'Museo Modern', sans-serif; font-weight: 700; }