/* === Hero Section === */
    .hero {
        min-height: calc(100vh - 80px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        padding: var(--space-8) var(--space-4);
        position: relative;
        overflow: hidden;
    }

    /* Improved Hero Background - Theme Aware */
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background:
            var(--hero-overlay),
            url('/static/assets/VOXARIS_BACKGROUND.jpg');
        background-size: cover;
        background-position: center;
        z-index: -1;
        opacity: var(--hero-opacity);
        transition: opacity var(--transition-slow), background var(--transition-slow);
    }

    [data-theme="light"] .hero::before {
        /* Filter removed to avoid "dirty" pixelation look mentioned by user */
        filter: brightness(1.05);
    }

    /* Floating Particles (CSS only) */
    .hero-particles {
        position: absolute;
        inset: 0;
        z-index: -1;
        overflow: hidden;
    }

    .particle {
        position: absolute;
        width: 4px;
        height: 4px;
        background: var(--accent-primary);
        border-radius: 50%;
        opacity: 0.3;
        animation: float 15s infinite ease-in-out;
    }

    .particle:nth-child(1) {
        left: 10%;
        top: 20%;
        animation-delay: 0s;
    }

    .particle:nth-child(2) {
        left: 20%;
        top: 80%;
        animation-delay: 2s;
    }

    .particle:nth-child(3) {
        left: 60%;
        top: 30%;
        animation-delay: 4s;
    }

    .particle:nth-child(4) {
        left: 80%;
        top: 70%;
        animation-delay: 6s;
    }

    .particle:nth-child(5) {
        left: 40%;
        top: 60%;
        animation-delay: 8s;
    }

    .particle:nth-child(6) {
        left: 90%;
        top: 20%;
        animation-delay: 10s;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0) scale(1);
            opacity: 0.3;
        }

        50% {
            transform: translateY(-30px) scale(1.5);
            opacity: 0.6;
        }
    }

    .hero-content {
        max-width: 800px;
        z-index: 1;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        padding: var(--space-2) var(--space-4);
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-full);
        font-size: var(--font-size-sm);
        color: var(--text-secondary);
        margin-bottom: var(--space-6);
        animation: fadeIn 0.6s ease-out;
    }

    .hero-badge-dot {
        width: 8px;
        height: 8px;
        background: var(--color-success);
        border-radius: 50%;
        animation: pulse-green 2s infinite;
    }

    .hero-title {
        font-size: var(--font-size-hero);
        font-weight: var(--font-weight-extrabold);
        line-height: 1.1;
        letter-spacing: -0.03em;
        margin-bottom: var(--space-6);
        animation: slideIn 0.6s ease-out 0.1s both;
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
        color: var(--text-secondary);
        max-width: 600px;
        margin: 0 auto var(--space-10);
        line-height: var(--line-height-relaxed);
        animation: slideIn 0.6s ease-out 0.2s both;
    }

    /* === Demo Container (stacked boxes) === */
    .demo-container {
        display: flex;
        flex-direction: column;
        gap: var(--space-6);
        max-width: 520px;
        margin: 0 auto;
        animation: slideIn 0.6s ease-out 0.3s both;
    }

    /* === Demo Box === */
    .demo-box {
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-2xl);
        padding: var(--space-8) var(--space-10);
        flex: 1;
    }

    .demo-box.main-box {
        flex: 1;
        min-height: 380px;
    }

    /* === Voice Selection Box === */
    .voice-box {
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-2xl);
        padding: var(--space-3);
        width: 100%;
    }

    .voice-box-title {
        font-size: var(--font-size-md);
        font-weight: var(--font-weight-semibold);
        margin-bottom: var(--space-3);
        text-align: center;
    }

    .voice-box-content {
        display: grid;
        grid-template-columns: 170px minmax(220px, 1fr);
        gap: var(--space-3);
        align-items: start;
    }

    .provider-chips {
        display: flex;
        flex-direction: column;
        gap: var(--space-1);
        align-items: stretch;
        width: 100%;
    }

    .provider-chip {
        display: inline-flex;
        align-items: center;
        cursor: pointer;
        width: 100%;
    }

    .provider-chip input {
        display: none;
    }

    .provider-chip>span {
        display: inline-flex;
        align-items: center;
        gap: var(--space-1);
        width: 100%;
        justify-content: flex-start;
        padding: var(--space-2) var(--space-2);
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        font-size: var(--font-size-xs);
        line-height: 1.2;
        transition: all var(--transition-normal);
        min-width: 0;
    }

    .provider-chip:hover>span {
        background: var(--glass-bg-hover);
        border-color: var(--glass-border-hover);
    }

    .provider-chip input:checked+span {
        background: var(--accent-gradient);
        border-color: transparent;
        color: white;
        box-shadow: 0 2px 8px var(--accent-glow);
    }

    .provider-icon {
        font-size: 1em;
        width: 1em;
        height: 1em;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
    }

    .provider-name {
        flex: 1;
        min-width: 0;
        white-space: normal;
    }

    .voice-select-container {
        display: none;
        margin-top: 0;
    }

    .voice-select-container.visible {
        display: block;
        animation: fadeIn 0.3s ease-out;
    }

    .voice-select-label {
        font-size: var(--font-size-sm);
        color: var(--text-muted);
        margin-bottom: var(--space-2);
        display: block;
    }

    .voice-select {
        width: 100%;
        padding: var(--space-3);
        background: var(--color-bg-secondary);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        color: var(--text-primary);
        font-size: var(--font-size-sm);
    }

    .voice-preview {
        margin-top: var(--space-3);
        padding: var(--space-3);
        background: rgba(102, 126, 234, 0.1);
        border-radius: var(--radius-md);
        font-size: var(--font-size-xs);
        color: var(--text-muted);
        text-align: center;
    }

    @media (max-width: 768px) {
        .demo-container {
            flex-direction: column;
        }

        .voice-box {
            min-width: auto;
        }

        .voice-box-content {
            grid-template-columns: 1fr;
        }

        .persona-chips {
            flex-wrap: wrap;
        }
    }

    .demo-box-title {
        font-size: var(--font-size-2xl);
        font-weight: var(--font-weight-bold);
        margin-bottom: var(--space-3);
    }

    .demo-box-subtitle {
        font-size: var(--font-size-lg);
        color: var(--text-muted);
        margin-bottom: var(--space-6);
    }

    .demo-form {
        display: flex;
        flex-direction: column;
        gap: var(--space-4);
    }

    .demo-input-row {
        display: flex;
        gap: var(--space-3);
    }

    .demo-input-row .phone-input-group {
        flex: 1;
    }

    .demo-input-row .btn {
        flex-shrink: 0;
    }

    /* Calling State */
    .demo-calling {
        display: none;
        flex-direction: column;
        align-items: center;
        gap: var(--space-4);
        padding: var(--space-6) 0;
    }

    .demo-calling.active {
        display: flex;
    }

    .demo-form.hidden {
        display: none;
    }

    .calling-animation {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background: var(--accent-gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 32px;
        animation: callingPulse 1.5s ease-in-out infinite;
    }

    @keyframes callingPulse {

        0%,
        100% {
            transform: scale(1);
            box-shadow: 0 0 0 0 var(--accent-glow);
        }

        50% {
            transform: scale(1.05);
            box-shadow: 0 0 0 20px rgba(102, 126, 234, 0);
        }
    }

    .calling-text {
        font-size: var(--font-size-lg);
        font-weight: var(--font-weight-semibold);
    }

    .calling-timer {
        font-family: var(--font-mono);
        font-size: var(--font-size-2xl);
        color: var(--text-muted);
    }

    .calling-hint {
        font-size: var(--font-size-sm);
        color: var(--text-muted);
    }

    /* === Scenarios Section === */
    .scenarios-section {
        padding: var(--space-16) 0;
        background: var(--color-bg-secondary);
    }

    .section-header {
        text-align: center;
        margin-bottom: var(--space-12);
    }

    .section-title {
        font-size: var(--font-size-3xl);
        font-weight: var(--font-weight-bold);
        margin-bottom: var(--space-4);
    }

    .section-subtitle {
        font-size: var(--font-size-lg);
        color: var(--text-muted);
        max-width: 600px;
        margin: 0 auto;
    }

    /* === Features Section === */
    .features-section {
        padding: var(--space-16) 0;
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    .feature-card {
        padding: var(--space-6);
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-xl);
        transition: all var(--transition-normal);
    }

    .feature-card:hover {
        transform: translateY(-4px);
        border-color: var(--glass-border-hover);
        box-shadow: var(--shadow-md);
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--accent-gradient);
        border-radius: var(--radius-lg);
        font-size: 24px;
        margin-bottom: var(--space-4);
    }

    .feature-title {
        font-size: var(--font-size-lg);
        font-weight: var(--font-weight-semibold);
        margin-bottom: var(--space-2);
    }

    .feature-desc {
        font-size: var(--font-size-sm);
        color: var(--text-muted);
        line-height: var(--line-height-relaxed);
    }

    /* === Stats Section === */
    .stats-section {
        padding: var(--space-12) 0;
        border-top: 1px solid var(--glass-border);
        border-bottom: 1px solid var(--glass-border);
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-8);
        text-align: center;
    }

    .stat-value {
        font-size: var(--font-size-4xl);
        font-weight: var(--font-weight-bold);
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: var(--space-2);
    }

    .stat-label {
        font-size: var(--font-size-sm);
        color: var(--text-muted);
    }

    /* === Responsive === */
    @media (max-width: 768px) {
        .hero {
            padding: var(--space-6) var(--space-4);
        }

        .demo-input-row {
            flex-direction: column;
        }

        .features-grid {
            grid-template-columns: 1fr;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    /* === Persona Chips === */
    .persona-chip {
        display: inline-flex;
        align-items: center;
        cursor: pointer;
    }

    .persona-chip input {
        display: none;
    }

    .persona-chip span {
        padding: var(--space-1) var(--space-2);
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-full);
        font-size: var(--font-size-xs);
        white-space: nowrap;
        transition: all var(--transition-normal);
    }

    .persona-chips {
        display: flex;
        gap: var(--space-1);
        justify-content: flex-start;
        flex-wrap: nowrap;
        align-items: center;
    }

    .persona-chip:hover span {
        background: var(--glass-bg-hover);
        border-color: var(--glass-border-hover);
    }

    .persona-chip input:checked+span {
        background: var(--accent-gradient);
        border-color: transparent;
        color: white;
        box-shadow: 0 2px 8px var(--accent-glow);
    }

    /* === Scene Code Box === */
    .scene-code-box {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
        border: 2px solid var(--accent-primary);
        border-radius: var(--radius-xl);
        padding: var(--space-4) var(--space-6);
        text-align: center;
        margin-bottom: var(--space-6);
        display: none;
    }

    .scene-code-box.visible {
        display: block;
        animation: fadeIn 0.3s ease-out;
    }

    .scene-code-label {
        font-size: var(--font-size-sm);
        color: var(--text-muted);
        margin-bottom: var(--space-2);
    }

    .scene-code-value {
        font-family: var(--font-mono);
        font-size: var(--font-size-3xl);
        font-weight: var(--font-weight-bold);
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        letter-spacing: 0.3em;
    }

    .scene-code-hint {
        font-size: var(--font-size-xs);
        color: var(--text-muted);
        margin-top: var(--space-2);
    }

    /* === Scenario Card Button === */
    .scenario-card-btn {
        margin-top: auto;
        padding: var(--space-2) var(--space-3);
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-md);
        font-size: var(--font-size-xs);
        color: var(--text-secondary);
        cursor: pointer;
        transition: all var(--transition-normal);
        width: 100%;
    }

    .scenario-card-btn:hover {
        background: var(--accent-gradient);
        border-color: transparent;
        color: white;
    }

    .scenario-card {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
        height: 100%;
    }

    .scenario-grid {
        grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
        gap: var(--space-4);
    }

    /* === Code Popup Modal === */
    .code-popup-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(4px);
        display: none;
        align-items: center;
        justify-content: center;
        z-index: 1000;
    }

    .code-popup-overlay.visible {
        display: flex;
        animation: fadeIn 0.2s ease-out;
    }

    .code-popup {
        background: var(--color-bg-primary);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-2xl);
        padding: var(--space-8);
        max-width: 400px;
        text-align: center;
        box-shadow: var(--shadow-lg);
    }

    .code-popup-title {
        font-size: var(--font-size-xl);
        font-weight: var(--font-weight-semibold);
        margin-bottom: var(--space-2);
    }

    .code-popup-subtitle {
        font-size: var(--font-size-sm);
        color: var(--text-muted);
        margin-bottom: var(--space-6);
    }

    .code-popup-code {
        font-family: var(--font-mono);
        font-size: var(--font-size-4xl);
        font-weight: var(--font-weight-bold);
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        letter-spacing: 0.4em;
        margin-bottom: var(--space-4);
    }

    .code-popup-info {
        font-size: var(--font-size-xs);
        color: var(--text-muted);
        margin-bottom: var(--space-6);
        line-height: var(--line-height-relaxed);
    }

    .code-popup-close {
        padding: var(--space-3) var(--space-6);
        background: var(--accent-gradient);
        border: none;
        border-radius: var(--radius-lg);
        color: white;
        font-weight: var(--font-weight-semibold);
        cursor: pointer;
        transition: all var(--transition-normal);
    }

    .code-popup-close:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 12px var(--accent-glow);
    }

    .code-popup-close-x {
        position: absolute;
        top: var(--space-3);
        right: var(--space-3);
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-full);
        cursor: pointer;
        font-size: 16px;
        color: var(--text-muted);
        transition: all var(--transition-fast);
    }

    .code-popup-close-x:hover {
        background: var(--glass-bg-hover);
        color: var(--text-primary);
    }

    .code-popup-timer {
        font-size: var(--font-size-xs);
        color: var(--text-muted);
        margin-bottom: var(--space-4);
    }

    .code-popup {
        position: relative;
    }

    /* === Button Row === */
    .btn-row {
        display: flex;
        gap: var(--space-3);
        margin-top: var(--space-4);
    }

    .btn-row .btn {
        flex: 1;
    }

    .btn-secondary {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        color: var(--text-primary);
    }

    .btn-secondary:hover {
        background: var(--glass-bg-hover);
        border-color: var(--glass-border-hover);
    }

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding-top: var(--space-12);
    }

    .hero-title {
        font-size: clamp(2rem, 7vw, 3rem);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .demo-input-row {
        flex-direction: column;
    }

    .demo-box {
        padding: var(--space-5);
    }

    .scenario-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .scenario-grid {
        gap: var(--space-3);
    }

    .scenario-card {
        padding: var(--space-4);
    }

    .scenario-icon {
        font-size: 1.75rem;
        margin-bottom: var(--space-2);
    }

    .scenario-card h3 {
        font-size: var(--font-size-base);
    }

    .scenario-card p {
        font-size: var(--font-size-xs);
    }

    .scenario-card-btn {
        padding: var(--space-1) var(--space-2);
        font-size: 0.7rem;
        line-height: 1.2;
        white-space: normal;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .code-popup {
        max-width: 90%;
    }
}


@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(1.9rem, 9vw, 2.6rem);
    }

    .btn-row {
        flex-direction: column;
    }
}

/* === Hero Two-Column Layout === */
.hero-two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
    animation: slideIn 0.6s ease-out 0.3s both;
}

.hero-info-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.hero-form-column {
    display: flex;
    flex-direction: column;
}

/* Info Card Styles */
.info-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-7);
}

.info-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-5);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: var(--space-3);
}

/* Info Steps */
.info-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.info-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.step-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
}

.step-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.step-content strong {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.step-content span {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Features List */
.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.feature-list.compact {
    gap: var(--space-2);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: var(--space-1) 0;
}

.feature-icon-small {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

/* Compact features card */
.features-card.compact {
    padding: var(--space-4) var(--space-5);
}

.features-card.compact .info-card-title {
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
}

/* Tech/Powered By Card */
.tech-card {
    padding: var(--space-4) var(--space-5);
}

.tech-logos {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    flex: 1;
    min-width: 60px;
}

.tech-icon {
    font-size: 1.5rem;
}

.tech-name {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: center;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    margin-top: var(--space-10);
    padding: var(--space-6) var(--space-8);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

/* Scenarios Preview */
.scenarios-preview {
    margin-top: var(--space-8);
    text-align: center;
}

.scenarios-preview-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}

.scenarios-preview-grid {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.scenario-preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    min-width: 100px;
    transition: all var(--transition-fast);
}

.scenario-preview-item:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
}

.scenario-preview-icon {
    font-size: 1.75rem;
}

.scenario-preview-name {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-4);
        padding: var(--space-4);
    }

    .hero-stat-divider {
        display: none;
    }

    .hero-stat {
        flex: 1;
        min-width: 80px;
    }

    .scenarios-preview-grid {
        gap: var(--space-2);
    }

    .scenario-preview-item {
        padding: var(--space-2) var(--space-3);
        min-width: 80px;
    }

    .scenario-preview-icon {
        font-size: 1.5rem;
    }

    .scenario-preview-name {
        font-size: var(--font-size-xs);
    }
}

/* === Selection Popup === */
.selection-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
}

.selection-popup-overlay.visible {
    display: flex;
    animation: fadeIn 0.2s ease-out;
}

.selection-popup {
    position: relative;
    background: var(--color-bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.selection-popup-close-x {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 20px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.selection-popup-close-x:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

/* Step Indicator */
.popup-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    padding-top: var(--space-2);
}

.popup-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.popup-step:hover {
    background: var(--glass-bg);
}

.step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--glass-border);
    transition: all var(--transition-fast);
}

.popup-step.active .step-dot,
.popup-step.completed .step-dot {
    background: var(--accent-primary);
}

.step-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.popup-step.active .step-label {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.step-divider {
    width: 40px;
    height: 2px;
    background: var(--glass-border);
}

/* Popup Content */
.popup-step-content {
    display: none;
}

.popup-step-content.active {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

.popup-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    margin-bottom: var(--space-1);
}

.popup-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-align: center;
    margin-bottom: var(--space-5);
}

/* Scenario Options */
.scenario-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.scenario-option {
    display: block;
    cursor: pointer;
}

.scenario-option input {
    display: none;
}

.scenario-option-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.scenario-option:hover .scenario-option-content {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
}

.scenario-option.selected .scenario-option-content,
.scenario-option input:checked + .scenario-option-content {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

.scenario-option-icon {
    font-size: 1.5rem;
    width: 32px;
    text-align: center;
    flex-shrink: 0;
}

.scenario-option-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.scenario-option-text strong {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.scenario-option-text span {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    line-height: 1.4;
}

/* Provider Options */
.provider-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.provider-option {
    display: block;
    cursor: pointer;
}

.provider-option input {
    display: none;
}

.provider-option-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.provider-option:hover .provider-option-content {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
}

.provider-option.selected .provider-option-content,
.provider-option input:checked + .provider-option-content {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

.provider-option-icon {
    font-size: 1.5rem;
    width: 32px;
    text-align: center;
    flex-shrink: 0;
}

.provider-option-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.provider-option-text strong {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.provider-option-text span {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    line-height: 1.4;
}

.badge-recommended {
    display: inline-block;
    padding: 2px 6px;
    background: var(--accent-gradient);
    color: white;
    font-size: 0.65rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Voice Selection Section */
.voice-selection-section {
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
}

.voice-selection-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.voice-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.voice-options.hidden {
    display: none;
}

.voice-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 80px;
    text-align: center;
}

.voice-option input {
    display: none;
}

.voice-option:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
}

.voice-option.selected,
.voice-option input:checked + .voice-option-label {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

.voice-option-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.voice-option-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

/* Audio Quality Notice */
.audio-quality-notice {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    background: rgba(102, 126, 234, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.notice-icon {
    font-size: 1.25rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.notice-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.notice-content strong {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.notice-content p {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

/* Popup Actions */
.popup-actions {
    display: flex;
    justify-content: flex-end;
}

.popup-actions-split {
    justify-content: space-between;
}

.popup-actions .btn {
    min-width: 140px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-two-column {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .hero-form-column {
        order: 1;
    }

    .hero-info-column {
        order: 2;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .selection-popup {
        max-width: 100%;
        margin: var(--space-4);
        padding: var(--space-4);
        max-height: 85vh;
    }

    .popup-actions-split {
        flex-direction: column;
        gap: var(--space-2);
    }

    .popup-actions .btn {
        width: 100%;
    }

    .popup-steps {
        gap: var(--space-1);
    }

    .step-divider {
        width: 20px;
    }
}