/* ==========================================================================
   GPSPL ENTERPRISE AUDIO VISUAL INTEGRATION SUITE (MAXIMUM VISUAL TIER)
   - Aesthetic: Architectural Warm Paper (#faf8f5), Carbon Ink (#161817), Warm Terracotta (#d96538)
   - Typography: Plus Jakarta Sans paired with Playfair Display Luxury Editorial Italics
   - ZERO generic dark-blue AI slop
   - Live Infrastructure Telemetry Console
   - Interactive Before vs After Acoustic Echo & Cable Clutter Comparison Slider
   - High-Performance AV-over-IP & Dante Signal Flow Canvas Visualizer
   - Turnkey Enterprise AV Sizing & BOQ Engineering Calculator
   - Architectural AV Technology Comparison Matrix
   ========================================================================== */

:root {
    /* Architectural Paper & Ink System */
    --avi-paper: #faf8f5;
    --avi-paper-card: #ffffff;
    --avi-paper-warm: #f2eee7;
    --avi-paper-tint: #eae5dc;
    --avi-line: #e3ded6;
    --avi-line-soft: #ede8e1;
    --avi-ink: #161817;
    --avi-text: #191b1a;
    --avi-muted: #5e6460;
    --avi-muted-light: #8e9490;
    
    /* Warm Terracotta & Copper Accents */
    --avi-accent: #d96538;
    --avi-accent-hover: #c25327;
    --avi-accent-subtle: #fbf0eb;
    --avi-accent-border: #f0c9ba;

    /* High-Tech Contrast Console System */
    --avi-console-bg: #141716;
    --avi-console-card: #1c201e;
    --avi-console-border: #2e3531;
    --avi-console-text: #f4f6f5;

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-italic: 'Playfair Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Page Reset & Scope */
body.avi-page {
    background-color: var(--avi-paper) !important;
    color: var(--avi-text) !important;
    font-family: var(--font-body) !important;
    line-height: 1.65;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body.avi-page * {
    box-sizing: border-box;
}

/* Universal Editorial Italics & Kickers */
body.avi-page em,
body.avi-page .avi-italic,
body.avi-page .section-title-wrapper h2 em {
    font-family: var(--font-italic) !important;
    font-style: italic !important;
    font-weight: 600 !important;
    color: var(--avi-accent) !important;
    letter-spacing: -0.01em;
    display: inline-block;
    margin: 0 0.18em;
}

.avi-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.avi-kicker-bar {
    display: inline-block;
    width: 28px;
    height: 3px;
    background: var(--avi-accent);
    border-radius: 2px;
    flex-shrink: 0;
}

.avi-kicker-italic {
    font-family: var(--font-italic);
    font-style: italic;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--avi-accent);
    letter-spacing: 0.02em;
}

.avi-kicker-badge {
    background: var(--avi-accent-subtle);
    border: 1px solid var(--avi-accent-border);
    color: var(--avi-accent);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 50px;
}

/* Common Container */
.avi-container {
    width: min(calc(100% - 48px), 1320px);
    max-width: 1320px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* Section Structure */
.avi-section {
    padding: clamp(60px, 7vw, 100px) 0;
    position: relative;
}

.avi-section-warm {
    background: var(--avi-paper-warm);
    border-top: 1px solid var(--avi-line);
    border-bottom: 1px solid var(--avi-line);
}

.avi-section-white {
    background: #ffffff;
    border-top: 1px solid var(--avi-line);
    border-bottom: 1px solid var(--avi-line);
}

.section-title-wrapper {
    margin-bottom: clamp(36px, 4.5vw, 56px);
}

.section-title-wrapper.center {
    text-align: center;
}

.section-title-wrapper.center .avi-kicker {
    justify-content: center;
}

.section-title-wrapper h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3.1rem);
    font-weight: 850;
    line-height: 1.15;
    letter-spacing: -0.035em;
    color: var(--avi-ink);
    margin: 0 0 16px 0;
}

.section-title-wrapper p {
    font-size: clamp(1rem, 1.2vw, 1.12rem);
    color: var(--avi-muted);
    max-width: 760px;
    line-height: 1.65;
    margin: 0;
}

.section-title-wrapper.center p {
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   1. HERO SECTION (Warm Paper & Architectural Typography)
   ========================================================================== */
.avi-hero-section {
    background: var(--avi-paper);
    padding: clamp(48px, 6vw, 84px) 0 clamp(40px, 5vw, 64px);
    border-bottom: 1px solid var(--avi-line);
    position: relative;
    overflow: hidden;
}

.avi-hero-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(217, 101, 56, 0.08) 0%, transparent 68%);
    pointer-events: none;
    z-index: 1;
}

.avi-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(380px, 0.95fr);
    gap: clamp(36px, 4.5vw, 64px);
    align-items: center;
}

.avi-hero-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.avi-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--avi-muted);
    margin-bottom: 20px;
}

.avi-breadcrumb a {
    color: var(--avi-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.avi-breadcrumb a:hover {
    color: var(--avi-accent);
}

.avi-hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4.6vw, 4.1rem);
    font-weight: 850;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--avi-ink);
    margin: 0 0 20px 0;
}

.avi-hero-desc {
    font-size: clamp(1.05rem, 1.25vw, 1.18rem);
    color: var(--avi-muted);
    line-height: 1.65;
    margin: 0 0 28px 0;
    max-width: 640px;
}

.avi-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.avi-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    border: 1px solid var(--avi-line);
    padding: 8px 14px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--avi-ink);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.avi-pill i {
    color: var(--avi-accent);
}

.avi-hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-bottom: 36px;
}

.btn-terracotta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--avi-accent);
    color: #ffffff !important;
    font-size: 0.96rem;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.22s ease;
    box-shadow: 0 4px 16px rgba(217, 101, 56, 0.25);
}

.btn-terracotta:hover {
    background: var(--avi-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(217, 101, 56, 0.35);
}

.btn-outline-paper {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    color: var(--avi-ink) !important;
    border: 1px solid var(--avi-line);
    font-size: 0.96rem;
    font-weight: 700;
    padding: 14px 26px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.22s ease;
}

.btn-outline-paper:hover {
    border-color: var(--avi-accent);
    color: var(--avi-accent) !important;
    background: var(--avi-accent-subtle);
}

.avi-hero-trust-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--avi-line);
    width: 100%;
}

@media (max-width: 640px) {
    .avi-hero-trust-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.trust-metric {
    display: flex;
    flex-direction: column;
}

.trust-metric strong {
    font-size: 1.35rem;
    font-weight: 900;
    color: var(--avi-ink);
    letter-spacing: -0.02em;
}

.trust-metric span {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--avi-muted);
}

/* ==========================================================================
   2. HERO VISUAL: ENTERPRISE AV TELEMETRY CONSOLE
   ========================================================================== */
.avi-console-card {
    background: var(--avi-console-bg);
    border: 1px solid var(--avi-console-border);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(22, 24, 23, 0.16);
    overflow: hidden;
    position: relative;
}

.console-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--avi-console-border);
}

.console-title-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.console-status-dot {
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.7);
    animation: statusPulse 2s infinite ease-in-out;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.console-title-group span {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--avi-console-text);
}

.console-tag {
    background: rgba(217, 101, 56, 0.2);
    border: 1px solid rgba(217, 101, 56, 0.4);
    color: #ff8c5a;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
}

.console-nav-tabs {
    display: flex;
    background: #101211;
    border-bottom: 1px solid var(--avi-console-border);
    padding: 0 16px;
    gap: 6px;
    overflow-x: auto;
}

.console-tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: #8e9490;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 12px 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.console-tab-btn.active,
.console-tab-btn:hover {
    color: #ffffff;
    border-bottom-color: var(--avi-accent);
}

.console-body {
    padding: 24px;
}

.console-preview-stage {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid var(--avi-console-border);
    aspect-ratio: 16 / 9;
    background: #000000;
}

.console-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

.console-live-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.console-live-badge i {
    color: #22c55e;
    font-size: 0.6rem;
}

.console-resolution-tag {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(217, 101, 56, 0.9);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 4px;
    letter-spacing: 0.04em;
}

.console-spec-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.spec-meter-box {
    background: var(--avi-console-card);
    border: 1px solid var(--avi-console-border);
    padding: 12px 14px;
    border-radius: 10px;
}

.spec-meter-label {
    font-size: 0.72rem;
    color: #8e9490;
    margin-bottom: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

.spec-meter-val {
    font-size: 1.05rem;
    font-weight: 800;
    color: #ffffff;
    font-family: 'Space Grotesk', monospace, sans-serif;
}

.spec-meter-val small {
    font-size: 0.7rem;
    font-weight: 500;
    color: #ff8c5a;
    margin-left: 2px;
}

/* ==========================================================================
   3. TIER-1 AV OEM TECHNOLOGY PARTNERS
   ========================================================================== */
.avi-ecosystem-section {
    background: #ffffff;
    padding: 38px 0;
    border-bottom: 1px solid var(--avi-line);
}

.ecosystem-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.ecosystem-heading-wrap h3 {
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--avi-ink);
    margin: 0;
    letter-spacing: -0.02em;
}

.ecosystem-heading-wrap span {
    font-size: 0.84rem;
    color: var(--avi-muted);
}

.brand-showcase-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    align-items: center;
}

@media (max-width: 992px) {
    .brand-showcase-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .brand-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.brand-card-item {
    background: var(--avi-paper);
    border: 1px solid var(--avi-line);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.22s ease;
    min-height: 86px;
}

.brand-card-item:hover {
    border-color: var(--avi-accent);
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.brand-logo-img {
    max-height: 30px;
    max-width: 100px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.8;
    transition: all 0.22s ease;
}

.brand-card-item:hover .brand-logo-img {
    filter: grayscale(0%);
    opacity: 1;
}

.brand-subtext {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--avi-muted);
    margin-top: 6px;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   4. INTERACTIVE BEFORE VS AFTER ACOUSTIC & CABLE CLUTTER COMPARISON SLIDER
   ========================================================================== */
.avi-slider-module {
    background: #ffffff;
    border: 1px solid var(--avi-line);
    border-radius: 24px;
    padding: clamp(24px, 4vw, 44px);
    box-shadow: 0 16px 40px rgba(22, 24, 23, 0.05);
}

.slider-controls-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.slider-controls-header h3 {
    font-size: clamp(1.4rem, 2.2vw, 1.95rem);
    font-weight: 850;
    color: var(--avi-ink);
    margin: 0 0 6px 0;
    letter-spacing: -0.02em;
}

.slider-controls-header p {
    color: var(--avi-muted);
    font-size: 0.94rem;
    margin: 0;
}

.slider-instruction {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--avi-accent-subtle);
    border: 1px solid var(--avi-accent-border);
    color: var(--avi-accent);
    font-size: 0.76rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 50px;
}

.comparison-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 18px;
    overflow: hidden;
    background: #141716;
    border: 1px solid var(--avi-line);
    user-select: none;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.comparison-image-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.comparison-image-layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.layer-after {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
    transition: clip-path 0.05s ease;
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: #ffffff;
    z-index: 4;
    transform: translateX(-50%);
    pointer-events: none;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.6);
}

.slider-handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: var(--avi-accent);
    border: 3px solid #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 0.85rem;
    gap: 4px;
    box-shadow: 0 4px 16px rgba(217, 101, 56, 0.6);
}

.slider-badge-side {
    position: absolute;
    top: 18px;
    z-index: 5;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    padding: 6px 14px;
    border-radius: 50px;
    backdrop-filter: blur(8px);
}

.badge-engineered {
    left: 18px;
    background: rgba(34, 197, 94, 0.9);
    color: #ffffff;
}

.badge-cluttered {
    right: 18px;
    background: rgba(22, 24, 23, 0.85);
    color: #ff8c5a;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.comparison-points-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 28px;
}

@media (max-width: 768px) {
    .comparison-points-grid {
        grid-template-columns: 1fr;
    }
}

.point-card {
    background: var(--avi-paper);
    border: 1px solid var(--avi-line);
    border-radius: 14px;
    padding: 20px;
}

.point-card h4 {
    font-size: 0.98rem;
    font-weight: 800;
    color: var(--avi-ink);
    margin: 0 0 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.point-card h4 i {
    color: var(--avi-accent);
}

.point-card p {
    font-size: 0.86rem;
    color: var(--avi-muted);
    line-height: 1.58;
    margin: 0;
}

/* ==========================================================================
   5. INTERACTIVE AV-OVER-IP & DANTE SIGNAL FLOW VISUALIZER
   ========================================================================== */
.avi-signal-visualizer-module {
    background: var(--avi-console-bg);
    border: 1px solid var(--avi-console-border);
    border-radius: 24px;
    padding: clamp(24px, 4vw, 44px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.visualizer-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 20px;
}

.visualizer-header h3 {
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    font-weight: 850;
    color: #ffffff;
    margin: 0 0 8px 0;
    letter-spacing: -0.03em;
}

.visualizer-header h3 em {
    font-family: var(--font-italic);
    font-style: italic;
    color: #ff8c5a;
}

.visualizer-header p {
    color: #9ea3a0;
    font-size: 0.92rem;
    margin: 0;
    max-width: 640px;
}

.signal-stage-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 21 / 9;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--avi-console-border);
    background: radial-gradient(circle at center, #1b201d 0%, #0d0f0e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .signal-stage-wrapper {
        aspect-ratio: 16 / 10;
    }
}

#avSignalCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.signal-status-pill {
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 0.76rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.signal-status-pill i {
    color: #22c55e;
}

.signal-info-strip {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    display: flex;
    justify-content: space-between;
    pointer-events: auto;
    flex-wrap: wrap;
    gap: 10px;
}

/* ==========================================================================
   6. LIVE ENTERPRISE AV SIZING & BOQ CALCULATOR
   ========================================================================== */
.calculator-card-wrapper {
    background: #ffffff;
    border: 1px solid var(--avi-line);
    border-radius: 24px;
    padding: clamp(28px, 4.5vw, 48px);
    box-shadow: 0 12px 40px rgba(22, 24, 23, 0.05);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
}

@media (max-width: 992px) {
    .calculator-grid {
        grid-template-columns: 1fr;
    }
}

.calc-inputs-col {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.calc-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calc-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calc-label-row label {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--avi-ink);
}

.calc-slider-val {
    font-family: 'Space Grotesk', monospace, sans-serif;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--avi-accent);
}

.calc-range-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--avi-line);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.calc-range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--avi-accent);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(217, 101, 56, 0.4);
    transition: transform 0.15s ease;
}

.calc-range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.18);
}

.calc-select-btn-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px;
}

.calc-toggle-btn {
    background: var(--avi-paper);
    border: 1px solid var(--avi-line);
    padding: 10px 12px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--avi-ink);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.calc-toggle-btn.active,
.calc-toggle-btn:hover {
    background: var(--avi-accent-subtle);
    border-color: var(--avi-accent);
    color: var(--avi-accent);
}

.calc-results-col {
    background: var(--avi-paper-warm);
    border: 1px solid var(--avi-line);
    border-radius: 18px;
    padding: 28px;
}

.results-header-tag {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--avi-line);
    margin-bottom: 20px;
}

.results-header-tag span {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--avi-muted);
}

.ready-badge {
    background: #22c55e;
    color: #ffffff;
    font-size: 0.74rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 50px;
}

.results-metric-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.calc-metric-card {
    background: #ffffff;
    border: 1px solid var(--avi-line);
    padding: 16px;
    border-radius: 12px;
}

.calc-metric-card label {
    display: block;
    font-size: 0.74rem;
    color: var(--avi-muted);
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.calc-metric-card .calc-data {
    font-family: 'Space Grotesk', monospace, sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--avi-ink);
}

/* ==========================================================================
   7. ARCHITECTURAL AV TECHNOLOGY COMPARISON MATRIX TABLE
   ========================================================================== */
.avi-matrix-card {
    background: #ffffff;
    border: 1px solid var(--avi-line);
    border-radius: 20px;
    overflow-x: auto;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 760px;
}

.matrix-table th {
    background: var(--avi-paper-warm);
    padding: 16px 20px;
    font-size: 0.84rem;
    font-weight: 800;
    color: var(--avi-ink);
    border-bottom: 2px solid var(--avi-line);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.matrix-table td {
    padding: 16px 20px;
    font-size: 0.88rem;
    color: var(--avi-muted);
    border-bottom: 1px solid var(--avi-line);
    vertical-align: middle;
}

.matrix-table tr:hover td {
    background: var(--avi-accent-subtle);
}

.matrix-table td strong {
    color: var(--avi-ink);
}

.matrix-badge-best {
    background: #22c55e;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-block;
}

/* ==========================================================================
   8. VERIFIED REAL AV INSTALLATION PROJECTS GALLERY
   ========================================================================== */
.projects-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 28px;
}

.project-showcase-card {
    background: #ffffff;
    border: 1px solid var(--avi-line);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.24s ease;
    display: flex;
    flex-direction: column;
}

.project-showcase-card:hover {
    transform: translateY(-4px);
    border-color: var(--avi-accent);
    box-shadow: 0 16px 40px rgba(217, 101, 56, 0.12);
}

.project-thumb-box {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #141716;
}

.project-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-showcase-card:hover .project-thumb-img {
    transform: scale(1.04);
}

.project-tag-pill {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(22, 24, 23, 0.85);
    backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.project-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-card-italic-kicker {
    font-family: var(--font-italic);
    font-style: italic;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--avi-accent);
    margin-bottom: 6px;
}

.project-card-content h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--avi-ink);
    margin: 0 0 12px 0;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.project-card-content p {
    font-size: 0.9rem;
    color: var(--avi-muted);
    line-height: 1.6;
    margin: 0 0 20px 0;
    flex: 1;
}

.project-spec-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--avi-line);
}

.spec-chip {
    background: var(--avi-paper);
    border: 1px solid var(--avi-line);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--avi-ink);
}

/* ==========================================================================
   9. 5-STAGE TURNKEY DEPLOYMENT TIMELINE
   ========================================================================== */
.lifecycle-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.lifecycle-card {
    background: #ffffff;
    border: 1px solid var(--avi-line);
    border-radius: 16px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    transition: all 0.22s ease;
}

.lifecycle-card:hover {
    border-color: var(--avi-accent);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

.lifecycle-num {
    font-family: 'Space Grotesk', monospace, sans-serif;
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--avi-accent-border);
    margin-bottom: 14px;
    line-height: 1;
}

.lifecycle-card:hover .lifecycle-num {
    color: var(--avi-accent);
}

.lifecycle-card h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--avi-ink);
    margin: 0 0 10px 0;
    letter-spacing: -0.02em;
}

.lifecycle-card p {
    font-size: 0.86rem;
    color: var(--avi-muted);
    line-height: 1.58;
    margin: 0;
}

/* ==========================================================================
   10. FREQUENTLY ASKED QUESTIONS (Warm Editorial Accordion)
   ========================================================================== */
.faq-accordion-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 900px;
    margin: 0 auto;
}

.avi-faq-item {
    background: #ffffff;
    border: 1px solid var(--avi-line);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.avi-faq-item[open] {
    border-color: var(--avi-accent);
    box-shadow: 0 8px 24px rgba(217, 101, 56, 0.08);
}

.avi-faq-item summary {
    padding: 20px 24px;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--avi-ink);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.avi-faq-item summary::-webkit-details-marker {
    display: none;
}

.avi-faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.85rem;
    color: var(--avi-muted);
    transition: transform 0.22s ease;
}

.avi-faq-item[open] summary::after {
    transform: rotate(180deg);
    color: var(--avi-accent);
}

.avi-faq-content {
    padding: 0 24px 22px 24px;
    font-size: 0.94rem;
    line-height: 1.68;
    color: var(--avi-muted);
}

.avi-faq-content strong {
    color: var(--avi-ink);
}

/* ==========================================================================
   11. BOTTOM CONSULTATION BANNER
   ========================================================================== */
.consultation-cta-box {
    background: var(--avi-ink);
    color: #ffffff;
    border-radius: 24px;
    padding: clamp(36px, 5vw, 60px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.cta-text-left h3 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 850;
    margin: 0 0 12px 0;
    letter-spacing: -0.03em;
}

.cta-text-left h3 em {
    font-family: var(--font-italic);
    font-style: italic;
    color: #ff8c5a;
}

.cta-text-left p {
    color: #9ea3a0;
    font-size: 1.05rem;
    margin: 0;
    max-width: 620px;
}

.cta-buttons-right {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .avi-hero-grid {
        grid-template-columns: 1fr;
    }
}