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

:root {
    --primary-dark: #0a0e27;
    --secondary-dark: #1a1f3a;
    --tertiary-dark: #2a3050;
    --accent-blue: #00d4ff;
    --accent-purple: #b820ff;
    --accent-cyan: #00f0ff;
    --success-green: #00d966;
    --text-light: #f0f0f0;
    --text-muted: #b0b0b0;
    --border-color: #2a3050;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 3px;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.language-toggle {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.language-toggle:hover {
    background: var(--accent-blue);
    color: var(--primary-dark);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

/* CTA BUTTONS */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: var(--primary-dark);
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    text-align: center;
    animation: glow 3s ease-in-out infinite;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.5);
}

.navbar-cta {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(184, 32, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.hero-cta-primary {
    font-size: 1.1rem;
    padding: 1.2rem 2.5rem;
}

.cta-note {
    font-size: 0.9rem;
    color: var(--text-muted);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* QUOTE SECTION */
.quote-section {
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(184, 32, 255, 0.1), rgba(0, 212, 255, 0.1));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.quote-container {
    max-width: 800px;
    margin: 0 auto;
}

.quote-text {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.quote-author {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ECONOMICS SECTION */
.economics-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.economics-table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--secondary-dark), rgba(26, 31, 58, 0.5));
}

.economics-table {
    width: 100%;
    border-collapse: collapse;
}

.economics-table thead th {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(184, 32, 255, 0.1));
    padding: 1.5rem;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    border-bottom: 2px solid var(--border-color);
}

.economics-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

.economics-table tbody tr:last-child {
    border-bottom: none;
}

.economics-table td {
    padding: 1.5rem;
    vertical-align: middle;
}

.row-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.role-text {
    font-weight: 600;
    color: var(--text-light);
}

.role-price {
    font-size: 0.95rem;
    color: var(--accent-blue);
    font-weight: 700;
}

.row-item.ai-item .role-price {
    color: var(--success-green);
}

.total-row {
    background: rgba(0, 212, 255, 0.05);
}

.total-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.total-label {
    font-weight: 700;
    color: var(--text-light);
}

.total-price {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--accent-blue);
}

.total-row .total-item.ai-item .total-price {
    color: var(--success-green);
}

.result-row {
    background: rgba(0, 212, 255, 0.02);
}

.result-text {
    text-align: left;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.result-text.success {
    color: var(--success-green);
    font-weight: 600;
}

/* FEATURES SECTION WITH SLIDERS */
.features-section {
    padding: 6rem 2rem;
    background: rgba(26, 31, 58, 0.3);
    border-top: 1px solid var(--border-color);
}

.features-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card-large {
    background: linear-gradient(135deg, var(--secondary-dark), rgba(26, 31, 58, 0.5));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.feature-card-large:hover {
    border-color: var(--accent-blue);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.feature-slider {
    position: relative;
    width: 100%;
    height: 300px;
    background: var(--primary-dark);
    overflow: hidden;
}

.feature-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.feature-image.active {
    display: block;
    opacity: 1;
}

.feature-slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: var(--accent-blue);
    border: none;
    padding: 0.8rem 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 10;
}

.feature-slider-arrow.prev {
    left: 1rem;
}

.feature-slider-arrow.next {
    right: 1rem;
}

.feature-slider-arrow:hover {
    background: rgba(0, 212, 255, 0.3);
    transform: translateY(-50%) scale(1.2);
}

.feature-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.feature-title {
    font-size: 1.2rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* WHY BAIA SECTION */
.why-baia-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(184, 32, 255, 0.05), rgba(0, 212, 255, 0.05));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.benefits-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-item {
    background: linear-gradient(135deg, var(--secondary-dark), rgba(26, 31, 58, 0.5));
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 212, 255, 0.15);
}

.benefit-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefit-title {
    font-size: 1.1rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.benefit-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* PROOF SECTION */
.proof-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.proof-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.proof-item {
    background: linear-gradient(135deg, var(--secondary-dark), rgba(26, 31, 58, 0.5));
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
}

.proof-scenario {
    color: var(--accent-cyan);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.proof-exchange {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.user-message {
    background: rgba(0, 212, 255, 0.1);
    border-left: 3px solid var(--accent-blue);
    color: var(--text-light);
}

.ai-message {
    background: rgba(184, 32, 255, 0.1);
    border-left: 3px solid var(--accent-purple);
    color: var(--text-muted);
}

.message p {
    margin: 0;
}

/* TRY BAIA SECTION */
.try-baia-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(184, 32, 255, 0.1));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.try-baia-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.try-option {
    flex: 1;
    min-width: 250px;
    text-align: center;
}

.try-option h3 {
    color: var(--accent-cyan);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.try-option p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.try-button {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.try-divider {
    font-size: 1.5rem;
    color: var(--text-muted);
    font-weight: 700;
}

.qr-code-img {
    max-width: 200px;
    width: 100%;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

/* CTA FINAL SECTION */
.cta-final-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(184, 32, 255, 0.15));
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.final-cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-cta-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-final {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-features-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.cta-feature {
    color: var(--success-green);
    font-weight: 600;
    font-size: 0.95rem;
}

/* FOOTER */
.footer {
    background: var(--secondary-dark);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col {
    padding: 1rem 0;
}

.footer-col h3,
.footer-col h4 {
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-col p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-col a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    text-align: center;
}

#copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ANIMATIONS */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(184, 32, 255, 0.5);
    }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero {
        padding: 6rem 1rem 1rem;
        min-height: auto;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .quote-text {
        font-size: 1.1rem;
    }

    .final-cta-title {
        font-size: 1.8rem;
    }

    .economics-table thead th {
        font-size: 0.9rem;
        padding: 1rem;
    }

    .economics-table td {
        padding: 1rem;
        font-size: 0.9rem;
    }

    .cta-features-row {
        flex-direction: column;
        gap: 1rem;
    }

    .navbar-container {
        padding: 0 1rem;
    }

    .navbar-right {
        gap: 1rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .navbar-cta {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .language-toggle {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .feature-slider {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero {
        padding: 5rem 1rem 1rem;
    }

    .economics-section,
    .features-section,
    .why-baia-section,
    .proof-section,
    .cta-final-section {
        padding: 3rem 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .benefits-container,
    .features-grid-large {
        grid-template-columns: 1fr;
    }

    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .feature-slider {
        height: 200px;
    }
}