@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@300;400;500;600&family=Orbitron:wght@500;700;900&display=swap');

:root {
    /* Fonts */
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-clock: 'Orbitron', monospace;

    /* Theme - Light Mode */
    --bg-base: #f1f5f9;
    --bg-page: radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
               radial-gradient(circle at 100% 100%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
               #f8fafc;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --border-glass: rgba(255, 255, 255, 0.6);
    --border-glow: rgba(99, 102, 241, 0.1);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.01);
    --card-shadow-hover: 0 20px 40px -15px rgba(99, 102, 241, 0.12), 0 1px 5px rgba(99, 102, 241, 0.05);
    
    --status-green: #10b981;
    --status-yellow: #f59e0b;
    --status-red: #ef4444;
}

[data-theme="dark"] {
    /* Theme - Dark Mode */
    --bg-base: #020617;
    --bg-page: radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
               radial-gradient(circle at 100% 100%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
               #030712;
    --bg-glass: rgba(15, 23, 42, 0.6);
    --border-glass: rgba(255, 255, 255, 0.04);
    --border-glow: rgba(129, 140, 248, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #64748b;
    
    --accent: #818cf8;
    --accent-light: #a5b4fc;
    --accent-gradient: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 20px 40px -15px rgba(129, 140, 248, 0.3), 0 1px 5px rgba(129, 140, 248, 0.1);
    
    --status-green: #34d399;
    --status-yellow: #fbbf24;
    --status-red: #f87171;
}

/* Base resets & document settings */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-page);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.5s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 3rem 1.5rem;
}

/* Typography elements */
h1, h2, h3, h4 {
    font-weight: 800;
    letter-spacing: -0.025em;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

/* Glassmorphism styling */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 2rem;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass:hover {
    box-shadow: var(--card-shadow-hover);
    border-color: var(--border-glow);
}

/* Animated Ambient Blobs */
.ambient-glows {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: floatBlob 25s infinite alternate ease-in-out;
}

[data-theme="dark"] .blob {
    opacity: 0.25;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 45%;
    height: 45%;
    background: #6366f1;
    animation-duration: 20s;
}

.blob-2 {
    bottom: -10%;
    right: -5%;
    width: 40%;
    height: 40%;
    background: #8b5cf6;
    animation-duration: 25s;
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 50%;
    width: 30%;
    height: 30%;
    background: #3b82f6;
    animation-duration: 30s;
    animation-delay: -10s;
}

@keyframes floatBlob {
    0% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, -50px) scale(1.1);
    }
    100% {
        transform: translate(-30px, 30px) scale(0.95);
    }
}

/* Header layout */
header {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.logo-icon {
    width: 2.75rem;
    height: 2.75rem;
    background: var(--accent-gradient);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px -6px rgba(99, 102, 241, 0.4);
    color: #ffffff;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.logo-title span {
    color: var(--accent);
}

.logo-sub {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-weight: 700;
    color: var(--text-tertiary);
    margin-top: -0.15rem;
}

/* Control Bar buttons */
.controls-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem;
    border-radius: 1.25rem;
}

.control-btn {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: 0.85rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.control-btn:hover {
    background: rgba(120, 120, 120, 0.08);
    color: var(--text-primary);
}

.control-btn.active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.divider-y {
    width: 1px;
    height: 1.25rem;
    background: var(--border-glass);
}

/* Main Layout Architecture */
.main-grid {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .main-grid {
        grid-template-columns: 8fr 4fr;
    }
}

/* Central Showcase Clock Block */
.hero-clock-panel {
    position: relative;
    padding: 2.5rem;
    overflow: hidden;
    text-align: center;
}

.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent);
    padding: 0.4rem 1rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.ping-indicator {
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--accent);
    border-radius: 50%;
    position: relative;
}

.ping-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent);
    border-radius: 50%;
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Layout for Digital Time and Analog Clock */
.clock-display-flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .clock-display-flex {
        flex-direction: row;
        justify-content: space-around;
        text-align: left;
    }
}

/* Dynamic Analog Clock Visualizer */
.analog-clock-wrapper {
    position: relative;
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 2px solid var(--border-glass);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.02), var(--card-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.analog-clock {
    position: relative;
    width: 100%;
    height: 100%;
}

.clock-face {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

/* Hour marking notches */
.clock-ticks {
    position: absolute;
    width: 100%;
    height: 100%;
}

.tick {
    position: absolute;
    width: 2px;
    height: 8px;
    background: var(--text-tertiary);
    left: 50%;
    transform-origin: 50% 85px;
    opacity: 0.3;
}

.tick.quarter {
    width: 3px;
    height: 12px;
    background: var(--accent);
    opacity: 0.7;
}

.tick:nth-child(1) { transform: translateX(-50%) rotate(0deg); }
.tick:nth-child(2) { transform: translateX(-50%) rotate(30deg); }
.tick:nth-child(3) { transform: translateX(-50%) rotate(60deg); }
.tick:nth-child(4) { transform: translateX(-50%) rotate(90deg); }
.tick:nth-child(5) { transform: translateX(-50%) rotate(120deg); }
.tick:nth-child(6) { transform: translateX(-50%) rotate(150deg); }
.tick:nth-child(7) { transform: translateX(-50%) rotate(180deg); }
.tick:nth-child(8) { transform: translateX(-50%) rotate(210deg); }
.tick:nth-child(9) { transform: translateX(-50%) rotate(240deg); }
.tick:nth-child(10) { transform: translateX(-50%) rotate(270deg); }
.tick:nth-child(11) { transform: translateX(-50%) rotate(300deg); }
.tick:nth-child(12) { transform: translateX(-50%) rotate(330deg); }

/* Hands of analog clock */
.clock-hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom center;
    border-radius: 4px;
    transition: transform 0.1s cubic-bezier(0.4, 2.08, 0.55, 0.44); /* bouncy ticking */
}

.hand-hour {
    width: 4px;
    height: 45px;
    background: var(--text-primary);
    margin-left: -2px;
    z-index: 3;
}

.hand-minute {
    width: 3px;
    height: 65px;
    background: var(--text-secondary);
    margin-left: -1.5px;
    z-index: 2;
}

.hand-second {
    width: 1.5px;
    height: 75px;
    background: var(--accent);
    margin-left: -0.75px;
    z-index: 1;
    border-radius: 0;
    transition: transform 0.05s linear; /* continuous sweep override in JS */
}

.clock-center-pin {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border: 2px solid var(--bg-glass);
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 0 8px var(--accent);
}

/* Digital Clock visual representation */
.digital-clock-panel {
    display: flex;
    flex-direction: column;
}

.digital-time {
    font-family: var(--font-clock);
    font-weight: 700;
    font-size: 3.5rem;
    line-height: 1;
    letter-spacing: -0.03em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    font-variant-numeric: tabular-nums;
}

@media (min-width: 480px) {
    .digital-time {
        font-size: 4.5rem;
    }
}
@media (min-width: 768px) {
    .digital-time {
        font-size: 5rem;
    }
}

.digital-date {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.timezone-label-badge {
    display: inline-block;
    align-self: center;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    background: rgba(120, 120, 120, 0.08);
    padding: 0.35rem 0.75rem;
    border-radius: 0.5rem;
}

@media (min-width: 768px) {
    .timezone-label-badge {
        align-self: flex-start;
    }
}

/* Timeline Slider (Time Zone Converter) styles */
.time-converter-timeline {
    border-top: 1px solid var(--border-glass);
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: left;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.timeline-title {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.reset-live-btn {
    font-size: 0.7rem;
    font-weight: 800;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    border: none;
    padding: 0.4rem 0.85rem;
    border-radius: 0.5rem;
    cursor: pointer;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease;
}

.reset-live-btn:hover {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.slider-container {
    position: relative;
    width: 100%;
    margin-bottom: 1rem;
}

/* Premium styled range input */
.timeline-range-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(120, 120, 120, 0.15);
    outline: none;
    margin: 1.5rem 0;
    cursor: pointer;
}

.timeline-range-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    background: transparent;
}

.timeline-range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-glass);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
    margin-top: -7px;
    transition: transform 0.1s ease, background 0.1s ease;
}

.timeline-range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.timeline-range-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-glass);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.timeline-range-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Markers under slider */
.timeline-labels {
    display: flex;
    justify-content: space-between;
    padding: 0 0.25rem;
}

.timeline-tick-mark {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--text-tertiary);
    font-weight: 500;
    position: relative;
    user-select: none;
}

.timeline-tick-mark::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 6px;
    background: var(--text-tertiary);
    opacity: 0.4;
}

/* Search bar styling */
.search-widget {
    position: relative;
    max-width: 480px;
    margin: 2rem auto 0 auto;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    background: rgba(120, 120, 120, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: 1.25rem;
    padding: 0.4rem 1rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-input-wrapper:focus-within {
    background: var(--bg-glass);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.search-field {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    padding: 0.65rem 0.85rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.search-field::placeholder {
    color: var(--text-tertiary);
}

.search-results-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    max-height: 260px;
    overflow-y: auto;
    border-radius: 1.25rem;
    z-index: 100;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-results-dropdown.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-result-item {
    padding: 0.85rem 1.25rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 1px solid rgba(120, 120, 120, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.15s ease;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover, .search-result-item.highlighted {
    background: var(--accent);
    color: #ffffff;
}

.search-result-offset {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: rgba(120, 120, 120, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 0.35rem;
}

.search-result-item:hover .search-result-offset,
.search-result-item.highlighted .search-result-offset {
    background: rgba(255, 255, 255, 0.2);
}

/* Global Grid Cards */
.section-headline {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-title {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timezone-cards-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.25rem;
}

@media (min-width: 480px) {
    .timezone-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .timezone-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .timezone-cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Timezone card standard design */
.tz-card {
    position: relative;
    padding: 1.5rem;
    cursor: pointer;
    overflow: hidden;
}

.tz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
    transition: background 0.3s ease;
}

.tz-card.active-tz::before {
    background: var(--accent);
}

.tz-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.tz-city-name {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
}

.tz-country-badge {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-tertiary);
    background: rgba(120, 120, 120, 0.08);
    padding: 0.15rem 0.4rem;
    border-radius: 0.25rem;
}

.tz-time-value {
    font-family: var(--font-mono);
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.tz-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    font-weight: 600;
}

/* Work-Hours status dot indicator */
.work-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-dot.green { background-color: var(--status-green); box-shadow: 0 0 6px var(--status-green); }
.status-dot.yellow { background-color: var(--status-yellow); box-shadow: 0 0 6px var(--status-yellow); }
.status-dot.red { background-color: var(--status-red); box-shadow: 0 0 6px var(--status-red); }

/* Quick Action: Pinned toggle & Delete button on hover */
.card-pin-icon {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.2s ease;
    color: var(--text-tertiary);
    cursor: pointer;
}

.tz-card:hover .card-pin-icon {
    opacity: 0.6;
    transform: scale(1);
}

.tz-card:hover .card-pin-icon:hover {
    opacity: 1;
    color: var(--accent);
}

.tz-card.is-favorite .card-pin-icon {
    opacity: 1;
    transform: scale(1);
    color: var(--accent);
}

/* Sidebar components */
.sidebar-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    padding: 1.75rem;
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-tertiary);
    margin-bottom: 1.25rem;
}

.diag-list {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.diag-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.diag-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.diag-value {
    font-weight: 700;
    color: var(--text-primary);
}

.diag-value.mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.diag-badge {
    background: rgba(16, 185, 129, 0.08);
    color: var(--status-green);
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.25rem 0.65rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.diag-dot {
    width: 6px;
    height: 6px;
    background-color: var(--status-green);
    border-radius: 50%;
    animation: pulsate 2s infinite ease-in-out;
}

@keyframes pulsate {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.4; }
    100% { transform: scale(1); opacity: 1; }
}

/* Google AdSense container box */
.adsense-card-container {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    min-height: 250px;
    position: relative;
    overflow: hidden;
}

.ad-badge {
    align-self: flex-start;
    font-size: 0.55rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
}

.ad-placeholder-body {
    flex: 1;
    background: rgba(120, 120, 120, 0.03);
    border: 2px dashed rgba(120, 120, 120, 0.12);
    border-radius: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    color: var(--text-tertiary);
}

.ad-icon {
    width: 2.25rem;
    height: 2.25rem;
    margin-bottom: 0.5rem;
    opacity: 0.3;
}

.ad-text {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    opacity: 0.6;
}

/* SEO Content & Article Panel */
.seo-article {
    margin-top: 4rem;
    padding: 2.5rem;
    color: var(--text-secondary);
}

.seo-title {
    font-size: 1.15rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.seo-paragraphs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 0.825rem;
    line-height: 1.7;
}

.seo-paragraphs p strong {
    color: var(--text-primary);
}

/* Footer structure */
footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 10;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-icon {
    color: var(--text-tertiary);
    transition: all 0.2s ease;
}

.social-icon:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.social-icon svg {
    width: 1.35rem;
    height: 1.35rem;
    fill: currentColor;
}

.footer-name {
    font-size: 0.85rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-primary);
}

.footer-copyright {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
}

/* Scrollbar customizations */
.custom-scroll::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.custom-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scroll::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 10px;
    border: 1px solid transparent;
}

.custom-scroll {
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

/* Extra touch for nice utility classes */
.hidden {
    display: none !important;
}

/* Micro-animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-node {
    animation: fadeIn 0.4s ease forwards;
}