/*
   Designeire Strategic Signals
   Command Center Theme
   Color Palette: Designeire Brand
*/

:root {
    /* Designeire Colors */
    --bg-cream: #FAF9F6;
    --bg-white: #FFFFFF;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --brand-red: #C51D24;
    --accent-green: #178154;
    --accent-orange: #F97316;
    --accent-yellow: #EAB308;
    --accent-blue: #3B82F6;
    --border-light: #E5E5E5;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --container-max: 1400px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base */
body {
    background-color: var(--bg-cream);
    background-image: url('../img/pattern-bg.jpg');
    background-repeat: repeat;
    background-size: 300px;
    background-blend-mode: overlay;
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 60px;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =====================
   HEADER (GLASSMORPHISM)
   ===================== */
.site-header {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-sm) var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content {
    flex: 1;
    max-width: none;
    margin: 0;
    padding: 0 var(--spacing-md);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 2px;
}

.brand-logo {
    height: 28px;
    width: auto;
}

.brand-separator {
    color: var(--text-secondary);
    font-weight: 300;
}

.brand-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-tagline {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* CTA Button */
.cta-button {
    background: var(--brand-red);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cta-button:hover {
    background: #a31920;
}

/* =====================
   MAIN CONTENT
   ===================== */
.main-content {
    padding: var(--spacing-lg) 0;
}

/* =====================
   HERO STATS
   ===================== */
.stats-wrapper {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 6px 16px;
    margin-bottom: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.stat-item {
    text-align: center;
    padding: 0 var(--spacing-sm);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 2px;
}

.stat-label {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-item.highlight .stat-number {
    color: var(--accent-green);
}

.stat-divider {
    width: 1px;
    height: 16px;
    background: rgba(0, 0, 0, 0.1);
}

/* =====================
   FILTER BAR
   ===================== */
.filter-bar {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.filter-tabs {
    display: inline-flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 6px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.filter-tab {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-tab:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--bg-white);
}

/* Category-specific active colors */
.filter-tab[data-filter="blue"].active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.filter-tab[data-filter="green"].active {
    background: var(--accent-green);
    border-color: var(--accent-green);
}

.filter-tab[data-filter="yellow"].active {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
    color: var(--text-primary);
}

.filter-tab[data-filter="orange"].active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
}

/* =====================
   KPI SECTION
   ===================== */
.kpi-section {
    margin-bottom: var(--spacing-xl);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.kpi-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: var(--spacing-md);
    position: relative;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.kpi-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Expanded Card State */
.kpi-card.expanded {
    grid-column: 1 / -1;
    z-index: 50;
    padding: var(--spacing-md);
}

.kpi-card.hidden-before {
    display: none;
}

.kpi-card .card-details {
    display: none;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.kpi-card.expanded .card-details {
    display: block;
}

.card-details p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.card-details .btn-more {
    display: inline-block;
    background: var(--text-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    margin-top: var(--spacing-sm);
}

/* Status indicator (left border) */
.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 8px 0 0 8px;
    background: var(--text-secondary);
}

.kpi-card.kpi-status-Arrived::before {
    background: var(--brand-red);
}

.kpi-card.kpi-status-Soon::before {
    background: var(--accent-orange);
}

.kpi-card.kpi-status-Departed::before {
    background: var(--text-secondary);
}

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.kpi-header span:first-child {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.badge-group {
    display: flex;
    gap: 4px;
    align-items: center;
}

.line-badge {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    color: white;
}

/* Meridian Card - Breathing Gradient Border */
/* Meridian Card - Soft Breathing Glow */
.kpi-card.is-meridian::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: 12px;
    box-shadow: 0 0 15px 2px var(--glow-color);
    /* Soft wide glow */
    opacity: 0;
    animation: meridianBreath 4s ease-in-out infinite alternate;
}

/* Dynamic Glow Colors (Status Based) */
.kpi-card.kpi-status-Arrived {
    --glow-color: rgba(197, 29, 36, 0.4);
}

/* Red (Active) */
.kpi-card.kpi-status-Soon {
    --glow-color: rgba(249, 115, 22, 0.4);
}

/* Orange (Upcoming) */
.kpi-card.kpi-status-Departed {
    --glow-color: rgba(134, 134, 139, 0.3);
}

/* Gray (Past) */

@keyframes meridianBreath {
    0% {
        opacity: 0.3;
        transform: scale(0.98);
    }

    100% {
        opacity: 0.8;
        transform: scale(1.01);
    }
}

/* Meridian Badge - Only visible when expanded */
.meridian-reveal {
    display: none;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.kpi-card.expanded .meridian-reveal {
    display: flex;
}

.meridian-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meridian-desc {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-style: italic;
}

.badge-blue {
    background: var(--accent-blue);
}

.badge-green {
    background: var(--accent-green);
}

.badge-yellow {
    background: var(--accent-yellow);
    color: var(--text-primary);
}

.badge-orange {
    background: var(--accent-orange);
}

.kpi-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.kpi-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* =====================
   FEED SECTION
   ===================== */
.feed-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.event-feed {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Platform Accordion Group */
.platform-group {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    overflow: hidden;
}

.platform-header {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s ease;
}

.platform-header:hover {
    background: var(--bg-cream);
}

.platform-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.platform-badge {
    font-size: 0.65rem;
    font-weight: 700;
    background: var(--text-primary);
    color: var(--bg-white);
    padding: 2px 8px;
    border-radius: 4px;
}

.toggle-icon {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.platform-content {
    display: none;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-top: 0;
    gap: var(--spacing-sm);
}

.platform-content.open {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Event Card (inside accordion) */
.metro-card {
    background: var(--bg-cream);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: var(--spacing-sm);
    position: relative;
    transition: all 0.2s ease;
}

.metro-card:hover {
    border-color: var(--text-secondary);
}

/* Line indicator */
.metro-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: 6px 0 0 6px;
}

.metro-card.line-blue::before {
    background: var(--accent-blue);
}

.metro-card.line-green::before {
    background: var(--accent-green);
}

.metro-card.line-yellow::before {
    background: var(--accent-yellow);
}

.metro-card.line-orange::before {
    background: var(--accent-orange);
}

.date-location {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.event-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.signal-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.signal-verified {
    background: rgba(23, 129, 84, 0.1);
    color: var(--accent-green);
}

.signal-tbc {
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
}

.signal-tentative {
    background: rgba(197, 29, 36, 0.1);
    color: var(--brand-red);
}

/* =====================
   STICKY BANNER
   ===================== */
.footer-wrapper {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

/* Copyright (not fixed, connects with banner) */
.site-footer {
    padding: 8px 0;
    text-align: center;
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    margin-top: -1px;
}

.footer-text {
    font-size: 0.65rem;
    color: var(--text-secondary);
}

/* University Logo Banner */
.university-banner {
    overflow: hidden;
    padding: 6px 0;
    background: var(--bg-white);
}

.banner-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.university-track {
    display: flex;
    gap: var(--spacing-lg);
    animation: scrollLogos 40s linear infinite;
    width: max-content;
}

.university-logo {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    padding: 4px 12px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    background: var(--bg-cream);
}

.banner-credit {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    padding: 4px 12px;
    opacity: 0.7;
}

@keyframes scrollLogos {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* =====================
   MODAL FORM
   ===================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: var(--bg-white);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    padding: var(--spacing-lg);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-submit {
    background: var(--brand-red);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* =====================
   EVENT CARD DETAILS
   ===================== */
.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4px;
}

.event-venue {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.event-sponsors,
.event-products {
    font-size: 0.7rem;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--border-light);
}

.sponsor-label,
.product-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 4px;
}

.sponsor-names {
    color: var(--text-primary);
    font-weight: 500;
}

.product-names {
    color: var(--accent-blue);
    font-style: italic;
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 640px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .platform-content.open {
        grid-template-columns: 1fr;
    }

    .filter-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--spacing-xs);
    }

    .filter-tab {
        white-space: nowrap;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .stat-divider {
        display: none;
    }

    .cta-button {
        display: none;
    }
}