.landing-page {
    background: var(--background);
    display: flex;
    align-items: center;
    min-height: calc(100vh - 76px - 69px);
    /* Fill space between navbar and footer */
}

.landing-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(32px, 6vw, 84px);
    align-items: center;
}

.landing-hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.app-tagline {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-hover) !important;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: inline-block;
}

.app-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 20px;
    line-height: 1.15;
    letter-spacing: 0;
    max-width: 680px;
}

.app-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 36px;
    line-height: 1.7;
    max-width: 620px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    width: 100%;
    max-width: 500px;
}

.cta-buttons .btn {
    flex: 1;
}

/* Simulated Interface Preview Card (Right Column) */
.landing-hero-preview {
    display: flex;
    justify-content: center;
}

.preview-interface-card {
    width: 100%;
    max-width: 440px;
    background-color: var(--ink);
    /* Dark Slate Card Bezel */
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), 0 30px 60px -15px rgba(15, 159, 120, 0.24);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: none;
    transition: var(--transition);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    background-color: #1e293b;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ef4444;
}

.preview-dots span:nth-child(2) {
    background-color: #eab308;
}

.preview-dots span:nth-child(3) {
    background-color: #22c55e;
}

.preview-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    font-family: monospace;
}

.preview-viewport {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: #0f172a;
}

.preview-camera-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.tracking-grid-effect {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(16, 185, 129, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    background-position: center;
}

/* Simulated Neon Skeleton Hand */
.simulated-hand-skeleton {
    position: relative;
    width: 100px;
    height: 100px;
    animation: handMove 4s ease-in-out infinite;
}

.simulated-palm {
    width: 40px;
    height: 40px;
    background-color: rgba(16, 185, 129, 0.2);
    border: 3px solid var(--primary);
    border-radius: 50%;
    position: absolute;
    top: 30px;
    left: 30px;
    box-shadow: 0 0 15px var(--primary);
}

.simulated-finger {
    width: 4px;
    background: linear-gradient(to top, var(--primary) 0%, #34d399 100%);
    position: absolute;
    bottom: 50px;
    border-radius: var(--radius-full);
    box-shadow: 0 0 10px var(--primary);
    transform-origin: bottom center;
}

.simulated-finger::after {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    position: absolute;
    top: -4px;
    left: -2px;
    box-shadow: 0 0 8px var(--accent);
}

.simulated-finger.f1 {
    height: 40px;
    left: 16px;
    transform: rotate(-35deg);
}

.simulated-finger.f2 {
    height: 50px;
    left: 34px;
    transform: rotate(-10deg);
}

.simulated-finger.f3 {
    height: 55px;
    left: 50px;
    transform: rotate(0deg);
}

.simulated-finger.f4 {
    height: 50px;
    left: 66px;
    transform: rotate(10deg);
}

.simulated-finger.f5 {
    height: 38px;
    left: 82px;
    transform: rotate(30deg);
}

.preview-results-overlay {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 50;
}

.preview-badge {
    align-self: flex-start;
    background-color: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--primary);
    color: #34d399;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.preview-output-text {
    color: white;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

/* Animations for Hand Demo */
@keyframes handMove {
    0% {
        transform: translateY(0) rotate(0deg);
    }

    30% {
        transform: translateY(-10px) rotate(5deg);
    }

    60% {
        transform: translateY(5px) rotate(-3deg);
    }

    100% {
        transform: translateY(0) rotate(0deg);
    }
}

/* BCES Logo Hero Showcase Styles */
.bces-viewport {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #28525a 0%, #102b32 72%);
    padding: 30px 20px 70px 20px;
    position: relative;
    min-height: 280px;
}

.bces-logo-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: -50px;
}

.bces-glow-backdrop {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.45) 0%, rgba(52, 211, 153, 0.15) 50%, transparent 75%);
    border-radius: 50%;
    filter: blur(25px);
    animation: bcesPulse 3.5s ease-in-out infinite alternate;
}

.bces-logo-image {
    display: block;
    max-width: 185px;
    max-height: 185px;
    width: 100%;
    height: auto;
    margin-inline: auto;
    align-self: center;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.5));
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.preview-interface-card:hover .bces-logo-image {
    transform: scale(1.08) rotate(1.5deg);
}

@keyframes bcesPulse {
    0% {
        transform: scale(0.88);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.18);
        opacity: 0.9;
    }
}

/* Landing footer */
.landing-footer {
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    padding: 24px 0;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
}