/* Custom properties */
:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --navbar-bg: rgba(2, 6, 23, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-darker);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-secondary);
}

.highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    position: relative;
}

/* Background elements */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 50vw;
    height: 50vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(2, 6, 23, 0) 70%);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 40vw;
    height: 40vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(2, 6, 23, 0) 70%);
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-body);
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

.hero-btn-outline {
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
}

.hero-btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-primary);
    border-color: var(--accent-secondary);
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-tag {
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
}

.hero-tag i {
    color: var(--accent-primary);
}

.hero-image-container {
    position: relative;
    border-radius: 2rem;
    overflow: hidden;
    /* Fancy border gradient wrapper simulation */
}

/* To create a gradient border around the image */
.hero-image-container::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--accent-gradient);
    z-index: 0;
    border-radius: 2.1rem;
    opacity: 0.5;
    transition: var(--transition);
}

.hero-image-container:hover::before {
    opacity: 1;
}

.hero-image {
    position: relative;
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    z-index: 1;
    border-radius: 2rem;
    border: 4px solid var(--bg-darker);
    transition: var(--transition);
}

.hero-image:hover {
    transform: scale(1.02);
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sections */
.category-section {
    padding: 5rem 0;
    border-top: 1px solid var(--border-color);
}

.category-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50%;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 3px;
}

/* Grid Layout */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Card Styling */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    z-index: 1;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
    z-index: 50;
}

.card:has(.show-tooltip) {
    z-index: 50;
}

.card:hover::before {
    transform: scaleX(1);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-logo-container {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    background: #fff;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
    overflow: hidden;
}

.card-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-placeholder {
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
}

.card-title-group {
    flex-grow: 1;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

/* Tags */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
    user-select: none;
    z-index: 10;
}

.tag[role="button"], 
.tag:not(.non-interactive) {
    cursor: pointer;
}

.tag[role="button"]:hover,
.tag:not(.non-interactive):hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    z-index: 20;
}

.tag.non-interactive {
    cursor: default;
    pointer-events: none;
}

/* Tooltip Styling */
.tag-tooltip {
    position: absolute;
    bottom: var(--tooltip-bottom, calc(100% + 10px));
    top: var(--tooltip-top, auto);
    left: var(--tooltip-left, 50%);
    transform: var(--tooltip-transform, translateX(-50%) translateY(10px));
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    width: max-content;
    max-width: 250px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
    z-index: 3000;
}

.tag-tooltip::after {
    content: '';
    position: absolute;
    top: var(--arrow-top, 100%);
    bottom: var(--arrow-bottom, auto);
    left: var(--arrow-left, 50%);
    transform: var(--arrow-transform, translateX(-50%));
    border-width: 6px;
    border-style: solid;
    border-color: var(--arrow-border-color, var(--border-color) transparent transparent transparent);
}

.tag .tag-tooltip p {
    margin: 0;
    white-space: normal;
    line-height: 1.4;
}

.tag.show-tooltip .tag-tooltip {
    opacity: 1;
    visibility: visible;
    transform: var(--tooltip-show-transform, translateX(-50%) translateY(0));
    pointer-events: auto;
}

.tag-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    object-fit: contain;
}

/* Copy Tooltip inside Contact Grid */
.copy-tooltip {
    position: absolute;
    bottom: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: var(--bg-dark);
    border: 1px solid var(--accent-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    z-index: 3000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.copy-tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    /* Changed from center */
    justify-content: center;
    padding: 2rem 1rem;
    /* Added vertical padding */
    opacity: 1;
    visibility: visible;
    transition: var(--transition);
    overflow-y: auto;
    /* Enable scroll on backdrop */
}

.modal-backdrop.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

body.modal-open {
    overflow: hidden;
}

.modal {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    width: 100%;
    max-width: 800px;
    /* Removed max-height: 90vh */
    display: flex;
    flex-direction: column;
    position: relative;
    transform: scale(1);
    transition: var(--transition);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: visible;
    /* Allow tooltips to pop out */
}

.modal-backdrop.hidden .modal {
    transform: scale(0.95);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--accent-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: 3.5rem 2.5rem 2.5rem 2.5rem;
    overflow: visible;
    /* Ensure overflow is visible */
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 0;
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Modal Content Styles */
.modal-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    flex-shrink: 0;
}

.modal-subtitle {
    color: var(--accent-primary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    flex-shrink: 0;
}

.modal-markdown {
    color: var(--text-secondary);
    line-height: 1.8;
    /* Removed overflow-y: auto and flex-shrink: 1 to prevent clipping */
    padding-right: 0.5rem;
}

.modal-markdown::-webkit-scrollbar {
    width: 6px;
}

.modal-markdown::-webkit-scrollbar-track {
    background: transparent;
}

.modal-markdown::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.modal-markdown::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-markdown h1,
.modal-markdown h2,
.modal-markdown h3 {
    color: var(--text-primary);
    margin: 1.5rem 0 1rem;
    font-family: var(--font-heading);
}

.modal-markdown p {
    margin-bottom: 1rem;
}

.modal-markdown ul,
.modal-markdown ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.modal-markdown li {
    margin-bottom: 0.5rem;
}

.modal-markdown a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.modal-markdown a:hover {
    color: var(--accent-secondary);
}

/* Tag Modal Specific */
.tag-modal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tag-modal-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.tag-modal-title {
    font-size: 1.5rem;
    margin: 0;
}

/* Image Modal Link / New Slick Arrow Link */
a.modal-title-link {
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: var(--transition);
}

a.modal-title-link:hover {
    color: var(--accent-primary);
}

a.modal-title-link .arrow-icon {
    font-size: 1rem;
    color: var(--accent-primary);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    transform: rotate(-45deg);
    /* Point up and right */
}

a.modal-title-link:hover .arrow-icon {
    transform: translateX(4px) translateY(-4px) rotate(-45deg);
}

a.modal-logo-link {
    display: block;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a.modal-logo-link:hover {
    transform: scale(1.05);
}

.modal-image-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

.modal-image-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-info {
        justify-content: center;
    }

    .hero-image-container {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--navbar-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-link {
        padding: 1rem 2rem;
        display: block;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding-top: 8rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .category-title {
        font-size: 2rem;
    }

    .modal-body {
        padding: 1.5rem;
    }
}

/* Standalone / QR Page Styles */
.standalone-body {
    overflow: hidden;
    height: 100vh;
}

.standalone-hero {
    min-height: 100vh;
    padding: 2rem;
}

.standalone-hero .hero-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
    text-align: left;
}

.standalone-hero .hero-image-container {
    width: 100%;
    height: auto;
    margin-bottom: 0;
}

.standalone-info {
    display: flex;
    justify-content: flex-start;
    margin-top: 1rem;
}

.qr-container {
    position: relative;
    width: 180px;
    height: 180px;
    background: white;
    padding: 1rem;
    border-radius: 1.5rem;
    transition: var(--transition);
}

.standalone-qr {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media (max-width: 900px) {
    .standalone-hero .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .standalone-info {
        justify-content: center;
        align-items: center;
        gap: 2rem;
    }

    .standalone-cta {
        text-align: center;
    }
}

.standalone-cta {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-top: 2.5rem;
    margin-bottom: 0;
    font-weight: 400;
    opacity: 0.9;
    text-align: left;
}

@media (max-width: 900px) {
    .standalone-cta {
        text-align: center;
        margin-bottom: 0;
    }
}

.cta-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border-bottom: 2px solid rgba(59, 130, 246, 0.2);
}

.cta-link:hover {
    color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    padding-bottom: 2px;
}