/**
 * ============================================
 * iView Bento Grid Component Library
 * Extracted from infinity-labs-redesign-v5
 * For use with iApp template system
 * ============================================
 *
 * Components:
 * 1. CSS Variables (Design System)
 * 2. Base Resets
 * 3. Hero Section (.iv-hero)
 * 4. Role Selection (.iv-role-*)
 * 5. Bento Grid (.iv-bento-*)
 * 6. Sections (.iv-section-*)
 * 7. Feature Lists (.iv-feature-list)
 * 8. Modals (.iv-modal)
 * 9. Footer (.iv-footer)
 * 10. Theme Toggle
 * 11. Animations
 * 12. Responsive
 */

/* ============================================
   1. CSS VARIABLES - Design System
   ============================================ */
:root {
    /* Color Palette - Dark Theme (Infinity) */
    --iv-color-bg: #0a0a0f;
    --iv-color-bg-alt: #12121a;
    --iv-color-surface: #1a1a2e;
    --iv-color-surface-hover: #252540;
    --iv-color-text: #e8efe9;
    --iv-color-text-light: #b0b8b2;
    --iv-color-text-lighter: #6b7280;

    /* Accent - Forest Green */
    --iv-color-accent: #2d5016;
    --iv-color-accent-light: #4a7c2a;
    --iv-color-accent-lighter: #6ba33e;

    /* Borders & Shadows */
    --iv-color-border: rgba(255, 255, 255, 0.1);
    --iv-color-border-light: rgba(255, 255, 255, 0.05);
    --iv-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --iv-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.5);
    --iv-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* Spacing Scale */
    --iv-spacing-xs: 0.5rem;
    --iv-spacing-sm: 1rem;
    --iv-spacing-md: 1.5rem;
    --iv-spacing-lg: 2rem;
    --iv-spacing-xl: 3rem;
    --iv-spacing-2xl: 4rem;

    /* Grid */
    --iv-grid-gap: 2rem;
    --iv-grid-gap-mobile: 1rem;
    --iv-bento-columns: 3;
    --iv-bento-gap: var(--iv-grid-gap);

    /* Typography */
    --iv-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --iv-font-mono: 'Courier New', Monaco, monospace;
    --iv-font-size-sm: 0.95rem;
    --iv-font-size-base: 1rem;
    --iv-font-size-lg: 1.2rem;
    --iv-font-size-xl: 1.5rem;
    --iv-font-size-2xl: 2.2rem;
    --iv-font-size-3xl: 3.5rem;
    --iv-line-height: 1.6;

    /* Transitions */
    --iv-transition: all 0.3s ease;
    --iv-transition-fast: all 0.15s ease;

    /* Border Radius */
    --iv-radius-sm: 4px;
    --iv-radius-md: 8px;
    --iv-radius-lg: 12px;
}

/* Light Theme Override */
[data-theme="light"] {
    --iv-color-bg: #ffffff;
    --iv-color-bg-alt: #fafafa;
    --iv-color-surface: #f5f5f5;
    --iv-color-surface-hover: #eeeeee;
    --iv-color-text: #333333;
    --iv-color-text-light: #666666;
    --iv-color-text-lighter: #999999;
    --iv-color-border: rgba(0, 0, 0, 0.1);
    --iv-color-border-light: rgba(0, 0, 0, 0.05);
    --iv-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --iv-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* ============================================
   2. BASE RESETS
   ============================================ */
.iv-landing {
    font-family: var(--iv-font-family);
    background-color: var(--iv-color-bg);
    color: var(--iv-color-text);
    line-height: var(--iv-line-height);
    font-size: var(--iv-font-size-base);
}

.iv-landing * {
    box-sizing: border-box;
}

.iv-landing a {
    color: var(--iv-color-accent-light);
    text-decoration: none;
    transition: var(--iv-transition-fast);
}

.iv-landing a:hover {
    color: var(--iv-color-accent-lighter);
}

/* ============================================
   3. NAVBAR
   ============================================ */
.iv-navbar {
    position: relative;
    background-color: var(--iv-color-bg);
    border-bottom: 1px solid var(--iv-color-border);
    z-index: 100;
    box-shadow: var(--iv-shadow);
}

.iv-navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--iv-spacing-md) var(--iv-spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--iv-spacing-lg);
}

.iv-logo {
    display: flex;
    align-items: center;
    gap: var(--iv-spacing-sm);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--iv-color-text);
    text-decoration: none;
}

.iv-logo:hover {
    color: var(--iv-color-text);
}

.iv-logo-symbol {
    font-size: 2rem;
    color: var(--iv-color-accent-light);
}

.iv-logo-text {
    font-family: var(--iv-font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.iv-nav-links {
    display: flex;
    gap: var(--iv-spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.iv-nav-link {
    font-size: var(--iv-font-size-sm);
    font-weight: 500;
    color: var(--iv-color-text-light);
    padding: var(--iv-spacing-xs) var(--iv-spacing-sm);
    border-radius: var(--iv-radius-sm);
    transition: var(--iv-transition-fast);
}

.iv-nav-link:hover {
    color: var(--iv-color-text);
    background: var(--iv-color-surface);
}

.iv-nav-link.active {
    color: var(--iv-color-accent-light);
}

/* ============================================
   4. HERO SECTION
   ============================================ */
.iv-hero {
    display: grid;
    place-items: center;
    min-height: 50vh;
    padding: var(--iv-spacing-xl) var(--iv-spacing-lg);
    text-align: center;
    background: linear-gradient(135deg, var(--iv-color-bg) 0%, var(--iv-color-bg-alt) 100%);
}

.iv-hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--iv-spacing-lg);
    max-width: 800px;
    align-items: center;
}

.iv-hero-symbol {
    width: 200px;
    height: 100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iv-hero-symbol svg {
    width: 100%;
    height: 100%;
    color: var(--iv-color-accent-light);
    animation: iv-breathe 3s ease-in-out infinite;
}

.iv-hero-title {
    font-size: var(--iv-font-size-3xl);
    font-weight: 300;
    letter-spacing: 0.05em;
    font-family: var(--iv-font-mono);
    color: var(--iv-color-text);
    margin: 0;
}

.iv-hero-subtitle {
    font-size: var(--iv-font-size-xl);
    color: var(--iv-color-text-light);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

.iv-hero-tagline {
    font-size: var(--iv-font-size-lg);
    color: var(--iv-color-accent-light);
    font-weight: 500;
    margin: 0;
}

/* ============================================
   5. ROLE SELECTION
   ============================================ */
.iv-role-selection {
    padding: var(--iv-spacing-xl) var(--iv-spacing-lg);
    background-color: var(--iv-color-bg-alt);
}

.iv-role-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.iv-role-intro {
    font-size: var(--iv-font-size-2xl);
    color: var(--iv-color-text);
    margin-bottom: var(--iv-spacing-xl);
    font-weight: 400;
}

.iv-role-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--iv-spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
}

.iv-role-card {
    display: grid;
    grid-template-rows: auto auto auto;
    place-items: center;
    padding: var(--iv-spacing-lg);
    background-color: var(--iv-color-surface);
    border: 2px solid transparent;
    border-radius: var(--iv-radius-lg);
    cursor: pointer;
    transition: var(--iv-transition);
    text-align: center;
    outline: none;
}

.iv-role-card:hover,
.iv-role-card:focus {
    background-color: var(--iv-color-surface-hover);
    border-color: var(--iv-color-accent-light);
    transform: translateY(-4px);
    box-shadow: var(--iv-shadow-hover);
}

.iv-role-icon {
    font-size: 2.5rem;
    margin-bottom: var(--iv-spacing-sm);
}

.iv-role-card h3 {
    font-size: var(--iv-font-size-lg);
    color: var(--iv-color-accent-light);
    margin: 0 0 var(--iv-spacing-xs) 0;
}

.iv-role-card p {
    font-size: var(--iv-font-size-sm);
    color: var(--iv-color-text-light);
    margin: 0;
}

/* ============================================
   6. SECTIONS & BENTO GRID
   ============================================ */
.iv-section {
    padding: var(--iv-spacing-xl) var(--iv-spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.iv-section-header {
    text-align: center;
    margin-bottom: var(--iv-spacing-xl);
}

.iv-section-title {
    font-size: var(--iv-font-size-2xl);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--iv-color-accent-light);
    margin: 0 0 var(--iv-spacing-sm) 0;
}

.iv-section-subtitle {
    font-size: var(--iv-font-size-lg);
    color: var(--iv-color-text-light);
    margin: 0;
}

/* Bento Grid */
.iv-bento-grid {
    display: grid;
    grid-template-columns: repeat(var(--iv-bento-columns, 3), 1fr);
    gap: var(--iv-bento-gap, 2rem);
    grid-auto-rows: minmax(180px, auto);
}

.iv-bento-item {
    display: flex;
    flex-direction: column;
    padding: var(--iv-spacing-lg);
    background-color: var(--iv-color-surface);
    border: 1px solid var(--iv-color-border);
    border-radius: var(--iv-radius-md);
    transition: var(--iv-transition);
}

.iv-bento-item:hover {
    box-shadow: var(--iv-shadow-hover);
    border-color: var(--iv-color-accent-light);
    transform: translateY(-2px);
}

.iv-bento-span-2 {
    grid-column: span 2;
}

.iv-bento-span-3 {
    grid-column: span 3;
}

.iv-bento-item h3 {
    font-size: var(--iv-font-size-lg);
    margin: 0 0 var(--iv-spacing-md) 0;
    color: var(--iv-color-accent-light);
}

.iv-bento-item h4 {
    font-size: 1.1rem;
    margin: 0 0 var(--iv-spacing-md) 0;
    color: var(--iv-color-accent-light);
    font-weight: 600;
}

.iv-bento-item p {
    color: var(--iv-color-text-light);
    margin: 0 0 var(--iv-spacing-sm) 0;
}

.iv-bento-item strong {
    color: var(--iv-color-text);
}

/* ============================================
   7. FEATURE LISTS
   ============================================ */
.iv-feature-list {
    list-style: none;
    margin: var(--iv-spacing-md) 0 0 0;
    padding: 0;
}

.iv-feature-list li {
    padding-left: var(--iv-spacing-md);
    margin-bottom: var(--iv-spacing-sm);
    position: relative;
    color: var(--iv-color-text-light);
}

.iv-feature-list li::before {
    content: "\2192";
    position: absolute;
    left: 0;
    color: var(--iv-color-accent-light);
    font-weight: bold;
}

/* Values Grid */
.iv-values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--iv-spacing-md);
}

.iv-value-item {
    padding-left: var(--iv-spacing-sm);
    border-left: 3px solid var(--iv-color-accent-light);
}

.iv-value-item strong {
    display: block;
    color: var(--iv-color-accent-light);
    margin-bottom: var(--iv-spacing-xs);
}

.iv-value-item small {
    color: var(--iv-color-text-light);
    font-size: var(--iv-font-size-sm);
}

/* ============================================
   8. MODAL
   ============================================ */
.iv-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    animation: iv-fadeIn 0.3s ease;
    overflow-y: auto;
}

.iv-modal.active {
    display: block;
}

.iv-modal-content {
    background-color: var(--iv-color-bg);
    margin: 5% auto;
    padding: var(--iv-spacing-xl);
    border: 1px solid var(--iv-color-border);
    border-radius: var(--iv-radius-md);
    width: 90%;
    max-width: 600px;
    box-shadow: var(--iv-shadow-lg);
    animation: iv-slideIn 0.3s ease;
    position: relative;
}

.iv-modal-close {
    position: absolute;
    right: var(--iv-spacing-lg);
    top: var(--iv-spacing-lg);
    color: var(--iv-color-text-light);
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    transition: var(--iv-transition-fast);
    line-height: 1;
}

.iv-modal-close:hover {
    color: var(--iv-color-text);
}

.iv-modal-content h2 {
    color: var(--iv-color-accent-light);
    margin: 0 0 var(--iv-spacing-md) 0;
}

.iv-modal-content p {
    color: var(--iv-color-text-light);
    margin-bottom: var(--iv-spacing-md);
}

/* CTA Button */
.iv-cta-button {
    display: inline-block;
    padding: var(--iv-spacing-sm) var(--iv-spacing-lg);
    background-color: var(--iv-color-accent);
    color: white;
    border: none;
    border-radius: var(--iv-radius-md);
    font-size: var(--iv-font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: var(--iv-transition);
    text-decoration: none;
}

.iv-cta-button:hover {
    background-color: var(--iv-color-accent-light);
    transform: translateY(-2px);
    color: white;
}

/* ============================================
   9. FOOTER
   ============================================ */
.iv-footer {
    background-color: var(--iv-color-bg-alt);
    border-top: 1px solid var(--iv-color-border);
    padding: var(--iv-spacing-xl) var(--iv-spacing-lg);
    text-align: center;
}

.iv-footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.iv-footer-links {
    display: flex;
    justify-content: center;
    gap: var(--iv-spacing-lg);
    margin-bottom: var(--iv-spacing-lg);
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
}

.iv-footer-link {
    color: var(--iv-color-text-light);
    font-size: var(--iv-font-size-sm);
}

.iv-footer-link:hover {
    color: var(--iv-color-accent-light);
}

.iv-footer-copyright {
    color: var(--iv-color-text-lighter);
    font-size: var(--iv-font-size-sm);
    margin: 0;
}

/* Floating iMenu Button */
.iv-imenu-button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--iv-color-accent), var(--iv-color-accent-light));
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--iv-shadow);
    transition: var(--iv-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.iv-imenu-button:hover {
    transform: scale(1.1);
    box-shadow: var(--iv-shadow-hover);
}

/* ============================================
   10. THEME TOGGLE
   ============================================ */
.iv-theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--iv-spacing-xs);
    border-radius: var(--iv-radius-md);
    transition: var(--iv-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.iv-theme-toggle:hover {
    background-color: var(--iv-color-surface);
}

/* ============================================
   11. ANIMATIONS
   ============================================ */
@keyframes iv-breathe {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

@keyframes iv-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes iv-slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes iv-slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.iv-animate-in {
    animation: iv-slideUp 0.5s ease forwards;
}

/* ============================================
   12. RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .iv-navbar-container {
        flex-direction: column;
        gap: var(--iv-spacing-sm);
    }

    .iv-nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--iv-spacing-sm);
    }

    .iv-hero {
        min-height: 40vh;
        padding: var(--iv-spacing-lg);
    }

    .iv-hero-title {
        font-size: var(--iv-font-size-2xl);
    }

    .iv-hero-subtitle {
        font-size: var(--iv-font-size-lg);
    }

    .iv-bento-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--iv-grid-gap-mobile);
    }

    .iv-bento-span-2,
    .iv-bento-span-3 {
        grid-column: span 1;
    }

    .iv-role-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: var(--iv-spacing-sm);
    }

    .iv-section-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .iv-hero-title {
        font-size: 2rem;
    }

    .iv-bento-grid {
        grid-template-columns: 1fr;
    }

    .iv-bento-item {
        padding: var(--iv-spacing-md);
    }

    .iv-logo-text {
        display: none;
    }
}

/* ============================================
   SKIP LINK (Accessibility)
   ============================================ */
.iv-skip-link {
    position: absolute;
    top: -100%;
    left: var(--iv-spacing-sm);
    background: var(--iv-color-accent);
    color: white;
    padding: var(--iv-spacing-sm) var(--iv-spacing-md);
    border-radius: var(--iv-radius-md);
    z-index: 1001;
    transition: top 0.3s;
}

.iv-skip-link:focus {
    top: var(--iv-spacing-sm);
}

/* ============================================
   CIRCULAR iMENU
   4-Pillar Navigation Overlay
   ============================================ */

.iv-circular-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.iv-circular-menu.active {
    display: flex;
    opacity: 1;
}

.iv-menu-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--iv-color-overlay);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.iv-menu-container {
    position: relative;
    width: 400px;
    height: 400px;
    z-index: 10;
}

.iv-menu-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--iv-gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px var(--iv-color-shadow-lg);
    animation: iv-pulse 2s ease-in-out infinite;
}

@keyframes iv-pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
    }
}

.iv-menu-logo {
    font-size: 3rem;
    color: white;
}

.iv-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--iv-color-bg-elevated);
    border: 2px solid var(--iv-color-border);
    font-size: 2rem;
    color: var(--iv-color-text);
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--iv-transition-fast);
    z-index: 10;
}

.iv-menu-close:hover {
    background: var(--iv-color-hover);
    transform: rotate(90deg);
    border-color: var(--iv-color-accent);
}

.iv-menu-items {
    position: relative;
    width: 100%;
    height: 100%;
}

.iv-menu-item {
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--iv-color-bg-elevated);
    border: 2px solid var(--iv-color-accent);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--iv-color-text);
    transition: var(--iv-transition);
    box-shadow: var(--iv-shadow-hover);
}

.iv-menu-item:hover,
.iv-menu-item:focus {
    background: var(--iv-color-accent);
    color: white;
    transform: scale(1.1);
    z-index: 5;
    outline: none;
}

.iv-menu-icon {
    font-size: 2rem;
}

.iv-menu-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
}

/* Position items in cardinal directions */
.iv-menu-item--top {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.iv-menu-item--right {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.iv-menu-item--bottom {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.iv-menu-item--left {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

/* Entrance animation */
@keyframes iv-menuItemIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    to {
        opacity: 1;
    }
}

.iv-circular-menu.active .iv-menu-item {
    animation: iv-menuItemIn 0.3s ease-out forwards;
}

.iv-circular-menu.active .iv-menu-item--top {
    animation-delay: 0.1s;
    transform: translateX(-50%);
}

.iv-circular-menu.active .iv-menu-item--right {
    animation-delay: 0.2s;
    transform: translateY(-50%);
}

.iv-circular-menu.active .iv-menu-item--bottom {
    animation-delay: 0.3s;
    transform: translateX(-50%);
}

.iv-circular-menu.active .iv-menu-item--left {
    animation-delay: 0.4s;
    transform: translateY(-50%);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .iv-menu-container {
        width: 320px;
        height: 320px;
    }

    .iv-menu-center {
        width: 100px;
        height: 100px;
    }

    .iv-menu-logo {
        font-size: 2.5rem;
    }

    .iv-menu-item {
        width: 80px;
        height: 80px;
    }

    .iv-menu-icon {
        font-size: 1.5rem;
    }

    .iv-menu-label {
        font-size: 0.75rem;
    }
}