:root {
    /* Bangladesh Flag Theme Colors */
    --bg-color: #f8faf8;
    --tv-frame: #ffffff;
    --tv-border: rgba(0, 106, 78, 0.1);
    --primary-glow: #006a4e;
    --secondary-glow: #f42a41;
    --accent-gradient: linear-gradient(135deg, #006a4e 0%, #f42a41 100%);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 106, 78, 0.1);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --card-bg: rgba(255, 255, 255, 0.9);
    --led-green: #006a4e;
    --led-red: #f42a41;
    --led-inactive: rgba(0, 0, 0, 0.1);
    --bangladesh-green: #006a4e;
    --bangladesh-red: #f42a41;
}

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

html,
body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    background: linear-gradient(135deg, #f8faf8 0%, #e8f0e8 50%, #f0f5f0 100%);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ============== WELCOME SPLASH SCREEN ============== */
.welcome-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #f8faf8 0%, #e8f0e8 50%, #f0f5f0 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.welcome-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.welcome-infographic {
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 106, 78, 0.15), 0 10px 30px rgba(244, 42, 65, 0.1);
}

.welcome-buttons {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 40px;
}

.welcome-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.welcome-btn .btn-icon {
    font-size: 1.3rem;
}

/* Demo Button - Green (Left) */
.demo-btn {
    background: linear-gradient(135deg, var(--bangladesh-green) 0%, #008c66 100%);
    color: white;
}

.demo-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 106, 78, 0.35);
}

.demo-btn:active {
    transform: translateY(-2px) scale(1.01);
}

/* Presentation Button - Red (Right) */
.presentation-btn {
    background: linear-gradient(135deg, var(--bangladesh-red) 0%, #ff4d5e 100%);
    color: white;
}

.presentation-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 40px rgba(244, 42, 65, 0.35);
}

.presentation-btn:active {
    transform: translateY(-2px) scale(1.01);
}

/* Responsive Welcome Screen */
@media (max-width: 768px) {
    .welcome-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 20px;
        bottom: 20px;
    }

    .welcome-btn {
        justify-content: center;
        padding: 14px 24px;
        font-size: 1rem;
    }

    .welcome-infographic {
        max-height: 70vh;
    }
}

/* Powered By Badge - Global Fixed Bottom */
.powered-by-badge {
    position: fixed;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 99999;
}

.powered-by-badge span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.ssl-logo {
    height: 30px;
    width: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .powered-by-badge {
        padding: 8px 14px;
        bottom: 10px;
    }

    .powered-by-badge span {
        font-size: 0.75rem;
    }

    .ssl-logo {
        height: 24px;
    }
}

/* ============== END WELCOME SCREEN ==============*/

/* Full Screen Viewport */
.viewport {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Bangla Matrix Rain Canvas */
.matrix-rain {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* Animated Background - Bangladesh Theme */
.ambient-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 106, 78, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 80% at 30% 70%, rgba(244, 42, 65, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 70% 30%, rgba(0, 106, 78, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: ambientPulse 8s ease-in-out infinite;
}

@keyframes ambientPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

/* Floating Particles - Bangladesh Theme */
.viewport::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(0, 106, 78, 0.25) 50%, transparent 50%),
        radial-gradient(2px 2px at 40% 70%, rgba(244, 42, 65, 0.2) 50%, transparent 50%),
        radial-gradient(1px 1px at 90% 40%, rgba(0, 106, 78, 0.2) 50%, transparent 50%),
        radial-gradient(1px 1px at 60% 80%, rgba(244, 42, 65, 0.15) 50%, transparent 50%),
        radial-gradient(2px 2px at 10% 90%, rgba(0, 106, 78, 0.25) 50%, transparent 50%);
    animation: floatParticles 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes floatParticles {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.5;
    }

    50% {
        opacity: 0.8;
    }

    100% {
        transform: translateY(-20px) rotate(5deg);
        opacity: 0.5;
    }
}

/* Header Branding */
.brand-header {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 100;
    animation: fadeSlideDown 1s ease-out;
}

@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.brand-header h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.02em;
    text-shadow: 0 4px 20px rgba(14, 165, 233, 0.2);
    margin-bottom: 8px;
}

.tagline {
    font-size: clamp(0.9rem, 1.5vw, 1.2rem);
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.1em;
    opacity: 1;
}

/* Main Interface Layout */
.main-interface {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    padding: 120px 40px 40px;
    gap: 0;
}

/* Server Racks - Light Glass Panels */
.rack-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 240px;
    height: 65vh;
    max-height: 600px;
    padding: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    position: relative;
    z-index: 4;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.rack-column::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(14, 165, 233, 0.03) 0%, transparent 30%);
    pointer-events: none;
}

.left-rack {
    border-radius: 24px 0 0 24px;
    border-right: none;
}

.right-rack {
    border-radius: 0 24px 24px 0;
    border-left: none;
}

.rack-header,
.rack-footer {
    display: none;
}

.server-rack {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    position: relative;
}

/* Industry Buttons - Premium Light Glass Cards */
.industry-btn {
    position: relative;
    width: 100%;
    padding: 16px 18px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 14px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: none;
    letter-spacing: 0.02em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow: hidden;
    z-index: 5;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.industry-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.industry-btn:hover {
    transform: translateY(-2px) scale(1.02);
    border-color: rgba(14, 165, 233, 0.3);
    color: var(--text-primary);
    box-shadow:
        0 10px 40px rgba(14, 165, 233, 0.12),
        0 0 20px rgba(14, 165, 233, 0.08);
}

.industry-btn:hover::before {
    opacity: 0.05;
}

.industry-btn.active {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(139, 92, 246, 0.08) 100%);
    border-color: var(--primary-glow);
    color: var(--primary-glow);
    box-shadow:
        0 0 30px rgba(14, 165, 233, 0.15),
        0 0 60px rgba(14, 165, 233, 0.08),
        inset 0 0 30px rgba(14, 165, 233, 0.03);
    transform: scale(1.03);
}

.industry-btn.active::before {
    opacity: 0.1;
}

/* Status LED Styles */
.status-led {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--led-red);
    box-shadow: 0 0 6px var(--led-red), 0 0 12px rgba(239, 68, 68, 0.4);
    transition: all 0.4s ease;
    flex-shrink: 0;
}

.industry-btn:hover .status-led {
    background: rgba(14, 165, 233, 0.6);
    box-shadow: 0 0 8px rgba(14, 165, 233, 0.5);
}

.industry-btn.active .status-led {
    background: var(--led-green);
    box-shadow: 0 0 12px var(--led-green), 0 0 24px rgba(34, 197, 94, 0.5);
}

/* TV Container - Full Immersive Display */
.tv-container {
    width: clamp(500px, 55vw, 900px);
    height: 65vh;
    max-height: 600px;
    flex-shrink: 0;
    position: relative;
}

.tv-frame {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid var(--glass-border);
    border-left: none;
    border-right: none;
    box-shadow:
        0 0 60px rgba(14, 165, 233, 0.06),
        inset 0 0 100px rgba(255, 255, 255, 0.5),
        inset 0 2px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 5;
    transition: all 0.5s ease;
}

.tv-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.3), transparent);
}

.tv-container.active .tv-frame {
    box-shadow:
        0 0 80px rgba(14, 165, 233, 0.1),
        0 0 150px rgba(139, 92, 246, 0.08),
        inset 0 0 100px rgba(255, 255, 255, 0.5);
}

/* TV Screen */
.tv-screen {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.screen-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(0.95);
}

.screen-content.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

/* Idle State - Hologram Avatar */
.idle-state {
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.05) 0%, transparent 60%);
}

.hologram-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hologram-container.shifted-up {
    transform: translateY(-25%) scale(0.75);
}

.avatar-img {
    width: clamp(180px, 25vh, 280px);
    height: auto;
    filter: drop-shadow(0 0 30px var(--primary-glow)) drop-shadow(0 0 60px rgba(14, 165, 233, 0.3));
    animation: float 4s ease-in-out infinite, hologramGlow 3s ease-in-out infinite;
    transition: all 0.5s ease;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@keyframes hologramGlow {

    0%,
    100% {
        filter: drop-shadow(0 0 30px var(--primary-glow)) drop-shadow(0 0 60px rgba(14, 165, 233, 0.3));
    }

    50% {
        filter: drop-shadow(0 0 50px var(--primary-glow)) drop-shadow(0 0 100px rgba(14, 165, 233, 0.5));
    }
}

.avatar-glow {
    position: absolute;
    bottom: -20px;
    width: 150px;
    height: 30px;
    background: radial-gradient(ellipse, rgba(14, 165, 233, 0.3) 0%, transparent 70%);
    filter: blur(10px);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: scaleX(1);
    }

    50% {
        opacity: 0.8;
        transform: scaleX(1.2);
    }
}

/* Status Text - Hidden in idle, shown in chin */
.status-text {
    display: none;
}

/* Use Case State */
.use-case-state {
    padding: 2rem;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.95) 0%, transparent 70%);
    justify-content: flex-end;
    align-items: center;
    padding-bottom: 60px;
}

.use-case-state h2 {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: translateY(-20px);
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    width: 100%;
    max-width: 550px;
}

/* Use Case Buttons with LED indicators */
.use-case-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: var(--text-primary);
    padding: 1rem 1.2rem;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
}

.use-case-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.use-case-btn::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--led-red);
    box-shadow: 0 0 6px var(--led-red), 0 0 10px rgba(239, 68, 68, 0.4);
    transition: all 0.4s ease;
    flex-shrink: 0;
}

.use-case-btn:hover {
    background: rgba(14, 165, 233, 0.08);
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 40px rgba(14, 165, 233, 0.15);
}

.use-case-btn:hover::before {
    opacity: 0.08;
}

.use-case-btn:hover::after {
    background: rgba(14, 165, 233, 0.6);
    box-shadow: 0 0 8px rgba(14, 165, 233, 0.5);
}

.use-case-btn.active {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(139, 92, 246, 0.08) 100%);
    border-color: var(--primary-glow);
    color: var(--primary-glow);
    box-shadow:
        0 0 20px rgba(14, 165, 233, 0.15),
        0 8px 30px rgba(14, 165, 233, 0.12);
    transform: scale(1.03);
}

.use-case-btn.active::after {
    background: var(--led-green);
    box-shadow: 0 0 10px var(--led-green), 0 0 20px rgba(34, 197, 94, 0.5);
}

/* Interaction State */
.active-interaction-state {
    justify-content: flex-start;
    padding-top: 40px;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.8) 0%, rgba(248, 250, 252, 0.95) 80%);
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

/* Interaction Avatar */
.interaction-avatar-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.interaction-avatar {
    width: clamp(150px, 20vh, 220px);
    height: auto;
    filter: drop-shadow(0 0 30px var(--primary-glow)) drop-shadow(0 0 60px rgba(14, 165, 233, 0.3));
    animation: float 4s ease-in-out infinite, hologramGlow 3s ease-in-out infinite;
    transition: all 0.5s ease;
}

.interaction-avatar-container .avatar-glow {
    position: absolute;
    bottom: -15px;
    width: 120px;
    height: 25px;
    background: radial-gradient(ellipse, rgba(14, 165, 233, 0.3) 0%, transparent 70%);
    filter: blur(10px);
    animation: pulse 3s ease-in-out infinite;
}

/* Interaction Controls Container */
.interaction-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

.listening-visualizer {
    display: flex;
    gap: 8px;
    height: 80px;
    align-items: center;
}

.wave-bar {
    width: 6px;
    background: var(--accent-gradient);
    border-radius: 10px;
    height: 10px;
    animation: wave 1s ease-in-out infinite;
    box-shadow: 0 0 15px var(--primary-glow), 0 0 30px rgba(14, 165, 233, 0.3);
}

.wave-bar:nth-child(1) {
    animation-delay: 0.0s;
}

.wave-bar:nth-child(2) {
    animation-delay: 0.1s;
}

.wave-bar:nth-child(3) {
    animation-delay: 0.2s;
}

.wave-bar:nth-child(4) {
    animation-delay: 0.3s;
}

.wave-bar:nth-child(5) {
    animation-delay: 0.4s;
}

@keyframes wave {

    0%,
    100% {
        height: 10px;
    }

    50% {
        height: 60px;
    }
}

.interaction-status {
    margin-top: 5px;
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--primary-glow);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    animation: fadePulse 2s ease-in-out infinite;
}

@keyframes fadePulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

.mic-button {
    margin-top: 1rem;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 2px solid var(--primary-glow);
    color: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.mic-button::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--accent-gradient);
    border-radius: 50%;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.mic-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.3), 0 0 80px rgba(14, 165, 233, 0.15);
}

.mic-button:hover::before {
    opacity: 0.3;
}

.mic-button.active {
    background: var(--primary-glow);
    color: #fff;
    box-shadow: 0 0 50px var(--primary-glow), 0 0 100px rgba(14, 165, 233, 0.4);
    animation: micPulse 1s ease-in-out infinite;
}

@keyframes micPulse {

    0%,
    100% {
        box-shadow: 0 0 50px var(--primary-glow), 0 0 100px rgba(14, 165, 233, 0.4);
    }

    50% {
        box-shadow: 0 0 70px var(--primary-glow), 0 0 140px rgba(14, 165, 233, 0.6);
    }
}

/* TV Chin with Status Message */
.tv-chin {
    height: 60px;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    gap: 20px;
}

.logo-mark {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.7;
}

/* System Status in Chin */
.system-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadePulse 3s ease-in-out infinite;
    display: flex;
    align-items: center;
    gap: 8px;
}

.system-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--led-green);
    box-shadow: 0 0 8px var(--led-green);
    animation: statusBlink 2s ease-in-out infinite;
}

@keyframes statusBlink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Utility */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-interface {
        padding: 100px 20px 30px;
    }

    .rack-column {
        width: 200px;
        padding: 15px;
    }

    .industry-btn {
        padding: 14px 14px;
        font-size: 0.8rem;
    }
}

@media (max-width: 900px) {
    .main-interface {
        flex-direction: column;
        padding: 100px 20px 20px;
        gap: 20px;
    }

    .rack-column {
        width: 100%;
        max-width: 500px;
        height: auto;
        flex-direction: row;
        flex-wrap: wrap;
        border-radius: 16px !important;
        border: 1px solid var(--glass-border) !important;
        gap: 8px;
    }

    .server-rack {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .industry-btn {
        width: calc(50% - 4px);
        padding: 12px;
    }

    .tv-container {
        width: 100%;
        max-width: 600px;
        height: 50vh;
        order: -1;
    }

    .brand-header {
        top: 20px;
    }

    .brand-header h1 {
        font-size: 1.8rem;
    }

    .tagline {
        font-size: 0.85rem;
    }
}

@media (max-width: 600px) {
    .industry-btn {
        width: 100%;
    }

    .use-case-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .avatar-img {
        width: 150px;
    }
}