/* ==========================================================================
   Tetra Media Hub - AI Services Stylesheet
   Covers: 3D Shopping, AI Agents, Creator Platform, Voice & Music, Chatbot
   ========================================================================== */

:root {
    --neon-cyan: #00eaff;
    --neon-blue: #0099ff;
    --neon-purple: #7048e8;
    --neon-pink: #b339d7;
    --bg-dark-base: #0a0a0a;
    --card-dark-bg: rgba(15, 23, 42, 0.85);
    --border-glow: rgba(0, 234, 255, 0.2);
}

/* ── AI Breadcrumbs ── */
.ai-breadcrumb {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    padding: 10px 22px;
    margin: 0 0 35px 0;
    border-radius: 999px;
    background: rgba(11, 15, 20, 0.85);
    border: 1px solid var(--border-glow);
    font-size: 13px;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.ai-breadcrumb li a {
    color: var(--neon-cyan);
    text-decoration: none;
    transition: all 0.2s ease;
}

.ai-breadcrumb li a:hover {
    color: #fff;
    text-shadow: 0 0 8px rgba(0, 234, 255, 0.6);
}

.ai-breadcrumb .separator {
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
}

.ai-breadcrumb .current {
    color: #fff;
    font-weight: 700;
}

/* ── Main Featured Section ── */
.ai-featured-section {
    background: linear-gradient(135deg, #0a0a0a 0%, #101524 50%, #0b0f14 100%);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
}

.ai-featured-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 234, 255, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(112, 72, 232, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

/* ── Header & Titles ── */
.ai-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

.ai-badge {
    font-size: 13px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue), var(--neon-purple));
    color: #fff;
    padding: 8px 22px;
    border-radius: 30px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0, 234, 255, 0.3);
}

.ai-title {
    font-size: 44px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.ai-subtitle {
    font-size: 19px;
    color: #cbd5e1;
    margin-bottom: 40px;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.ai-hero-content {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.ai-hero-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: #e2e8f0;
}

/* ── Stats & Highlights ── */
.stat-highlight {
    background: rgba(0, 234, 255, 0.08);
    border: 1px solid rgba(0, 234, 255, 0.3);
    border-radius: 18px;
    padding: 30px 40px;
    margin: 40px auto;
    text-align: center;
    max-width: 480px;
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.1);
    backdrop-filter: blur(8px);
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--neon-cyan);
    line-height: 1;
    text-shadow: 0 0 20px rgba(0, 234, 255, 0.5);
}

.stat-text {
    font-size: 15px;
    color: #cbd5e1;
    margin-top: 10px;
    line-height: 1.5;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.stat-card {
    background: rgba(0, 234, 255, 0.06);
    border: 1px solid rgba(0, 234, 255, 0.2);
    border-radius: 16px;
    padding: 26px;
    text-align: center;
}

/* ── Visual Showcase ── */
.ai-main-visual {
    margin-bottom: 80px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.ai-main-image {
    width: 100%;
    max-width: 900px;
    height: auto;
    margin: 0 auto;
    border-radius: 20px;
    border: 2px solid rgba(0, 234, 255, 0.3);
    box-shadow: 0 20px 50px rgba(0, 234, 255, 0.2);
    display: block;
}

/* ── Content Sections ── */
.content-section {
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    text-align: center;
}

.section-intro {
    font-size: 18px;
    color: #94a3b8;
    margin-bottom: 45px;
    text-align: center;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.two-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 60px;
}

.column-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 2px solid rgba(0, 234, 255, 0.25);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.column-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 20px;
}

.column-content p {
    font-size: 16px;
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* ── Features Grid ── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 234, 255, 0.15);
    border-radius: 20px;
    padding: 45px;
    margin-bottom: 60px;
    gap: 35px;
}

.feature-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 30px 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 234, 255, 0.4);
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.15);
    background: rgba(0, 234, 255, 0.04);
}

.feature-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: rgba(0, 234, 255, 0.1);
    border: 2px solid rgba(0, 234, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 26px;
    color: var(--neon-cyan);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 234, 255, 0.5);
}

.feature-card h4 {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14.5px;
    color: #94a3b8;
    line-height: 1.6;
    margin: 0;
}

/* ── Sectors & Industries Grids ── */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.sector-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 234, 255, 0.15);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.sector-card:hover {
    border-color: rgba(0, 234, 255, 0.5);
    background: rgba(0, 234, 255, 0.06);
    transform: translateY(-3px);
}

.sector-icon {
    font-size: 32px;
    color: var(--neon-cyan);
    flex-shrink: 0;
}

.sector-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.sector-card p {
    font-size: 14.5px;
    color: #cbd5e1;
    margin: 0;
    line-height: 1.6;
}

.industries-grid,
.markets-grid,
.usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

.industry-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.industry-card:hover {
    border-color: rgba(0, 234, 255, 0.4);
    background: rgba(0, 234, 255, 0.05);
    transform: translateY(-3px);
}

.industry-icon {
    font-size: 32px;
    margin-bottom: 12px;
    color: var(--neon-cyan);
}

.industry-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.industry-card p {
    font-size: 13.5px;
    color: #94a3b8;
    margin: 0;
}

/* ── Process Steps ── */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 60px;
}

.step-item {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 234, 255, 0.12);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.step-item:hover {
    border-color: rgba(0, 234, 255, 0.35);
    background: rgba(0, 234, 255, 0.04);
}

.step-number {
    font-size: 20px;
    font-weight: 800;
    color: var(--neon-cyan);
    min-width: 46px;
    height: 46px;
    background: rgba(0, 234, 255, 0.12);
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14.5px;
    color: #cbd5e1;
    line-height: 1.6;
    margin: 0;
}

/* ── Launch Box ── */
.launch-box {
    background: rgba(0, 234, 255, 0.06);
    border: 2px solid rgba(0, 234, 255, 0.3);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    margin-bottom: 60px;
}

.launch-date {
    font-size: 40px;
    font-weight: 800;
    color: var(--neon-cyan);
}

.launch-label {
    font-size: 16px;
    color: #cbd5e1;
    margin-top: 8px;
}

/* ── Footer Elements ── */
.footer-bar__copy {
    display: flex;
    align-items: center;
}

.footer-bar__social {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

/* ── CTA Panel & Button ── */
.ai-cta {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(112, 72, 232, 0.2));
    border: 1px solid rgba(0, 234, 255, 0.25);
    border-radius: 24px;
    padding: 50px 40px;
    text-align: center;
    margin-bottom: 60px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

.ai-cta h3 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.ai-cta p {
    font-size: 17px;
    color: #cbd5e1;
    margin-bottom: 30px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue), var(--neon-purple), var(--neon-pink));
    color: #fff !important;
    padding: 16px 42px;
    border-radius: 50px;
    text-decoration: none !important;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 234, 255, 0.35);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 234, 255, 0.55);
    color: #fff !important;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple), var(--neon-blue), var(--neon-cyan));
}

/* ── Responsive Queries ── */
@media (max-width: 991px) {
    .ai-featured-section {
        padding: 100px 0 60px;
    }
    .two-column-grid,
    .features-grid,
    .sectors-grid,
    .stats-row {
        grid-template-columns: 1fr;
    }
    .ai-title {
        font-size: 32px;
    }
    .section-title {
        font-size: 26px;
    }
    .stat-number {
        font-size: 38px;
    }
}

@media (max-width: 768px) {
    .ai-featured-section {
        padding: 90px 0 50px;
    }
    .ai-title {
        font-size: 26px;
    }
    .ai-subtitle {
        font-size: 16px;
    }
    .ai-cta {
        padding: 35px 20px;
    }
    .features-grid {
        padding: 30px 20px;
    }
    .step-item {
        flex-direction: column;
        gap: 14px;
    }
    .step-number {
        margin-bottom: 5px;
    }
    .footer-bar__copy,
    .footer-bar__social {
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .ai-title {
        font-size: 22px;
    }
    .cta-button {
        width: 100%;
        padding: 14px 20px;
        font-size: 14px;
    }
}

/* ── Global Floating WhatsApp Button ── */
.whatsapp-float,
.wa-float {
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 30px; left: 30px; right: auto;
    background-color: #25d366;
    color: #ffffff !important;
    border-radius: 50% !important;
    text-align: center;
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.45);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.whatsapp-float:hover,
.whatsapp-float:focus,
.wa-float:hover,
.wa-float:focus {
    background-color: #128c7e;
    transform: translateY(-3px) scale(1.08);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.65);
    color: #ffffff !important;
    text-decoration: none !important;
}

.whatsapp-float i,
.wa-float i {
    line-height: 1;
    display: block;
}

@media (max-width: 768px) {
    .whatsapp-float,
    .wa-float {
        width: 46px;
        height: 46px;
        bottom: 20px; left: 20px; right: auto;
        font-size: 24px;
    }
}