/* Reset & Variables */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent: #34d399;
    --dark: #f1f5f9;
    --dark-2: #e2e8f0;
    --gray: #94a3b8;
    --gray-light: #64748b;
    --gray-lighter: #334155;
    --white: #0f172a;
    --bg: #0b1120;
    --card: #131b2e;
    --gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -4px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5), 0 8px 10px -6px rgba(0,0,0,0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(11,17,32,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-lighter);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--dark);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
}

.logo-favicon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--dark);
}

.whatsapp-link {
    display: flex;
    align-items: center;
    transition: transform 0.2s;
}

.whatsapp-link:hover {
    transform: scale(1.15);
    color: var(--dark);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-ghost {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--gray-lighter);
}

.btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-whatsapp {
    background: #25d366;
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    color: #fff;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--card) 0%, var(--bg) 100%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Hero Carousel */
.hero-carousel {
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.carousel-track {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 2;
}

.carousel-btn:hover {
    background: rgba(0,0,0,0.75);
}

.carousel-prev {
    left: 12px;
}

.carousel-next {
    right: 12px;
}

.carousel-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.6);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all 0.2s;
}

.carousel-dot.active {
    background: #fff;
    border-color: #fff;
}

.hero-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-lighter);
    transition: transform 0.3s;
}

.hero-card:hover {
    transform: translateY(-4px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-lighter);
    font-weight: 600;
    font-size: 14px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.green {
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
    animation: pulse 2s infinite;
}

.status-dot.yellow {
    background: #eab308;
    box-shadow: 0 0 8px rgba(234, 179, 8, 0.5);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.card-body {
    padding: 20px;
}

.timer {
    font-size: 36px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--dark);
    margin-bottom: 12px;
}

.card-detail {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 4px;
}

.card-total {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-lighter);
}

.card-2 {
    margin-left: 40px;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--gray-lighter);
    transition: all 0.3s;
}

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

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
    padding: 4px 0 4px 20px;
    position: relative;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* Benefits */
.benefits {
    background: var(--card);
    color: var(--dark);
}

.benefits .section-tag {
    background: rgba(59,130,246,0.15);
    color: var(--primary-light);
}

.benefits .section-header h2 {
    color: var(--dark);
}

.benefits .section-header p {
    color: var(--gray-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.benefit-item {
    padding: 24px;
}

.benefit-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    line-height: 1;
}

.benefit-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.benefit-item p {
    font-size: 14px;
    color: var(--gray-light);
    line-height: 1.7;
}

/* Technical */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tech-card {
    background: var(--card);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.3s;
}

.tech-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.tech-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.tech-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
}

/* Audience */
.audience {
    background: var(--bg);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.audience-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.audience-card:hover {
    border-color: var(--primary);
    background: var(--bg);
    box-shadow: var(--shadow);
}

.audience-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.audience-card p {
    font-size: 13px;
    color: var(--gray);
}

/* Testimonial */
.testimonial {
    background: var(--bg);
}

.testimonial-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-box blockquote {
    font-size: 22px;
    font-weight: 500;
    line-height: 1.6;
    color: var(--dark);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-box cite {
    font-size: 14px;
    color: var(--gray);
    font-style: normal;
    font-weight: 600;
}

/* CTA */
.cta {
    background: var(--gradient);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.cta .btn-ghost {
    border-color: rgba(255,255,255,0.3);
    color: var(--white);
}

.cta .btn-ghost:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

.cta-info {
    display: flex;
    gap: 24px;
    justify-content: center;
    font-size: 14px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #060a14;
    color: var(--gray-light);
    padding: 60px 0 30px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.footer-brand {
    text-align: center;
}

.footer-brand .logo {
    color: var(--white);
    justify-content: center;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--dark-2);
    font-size: 13px;
    text-align: center;
    width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero-visual {
        max-width: 400px;
    }

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

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

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

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--gray-lighter);
        box-shadow: var(--shadow-lg);
    }

    .nav.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

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

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

    .card-2 {
        margin-left: 0;
    }

    .cta h2 {
        font-size: 28px;
    }

    .cta-info {
        flex-direction: column;
        gap: 8px;
    }
}

/* Contact Page */
.contact-section {
    padding: 140px 0 80px;
    min-height: 100vh;
    background: var(--bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-info > p {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.7;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.info-icon {
    width: 48px;
    height: 48px;
    background: rgba(37,99,235,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.info-text strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
}

.info-text span, .info-text a {
    font-size: 14px;
    color: var(--gray);
    text-decoration: none;
}

.info-text a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 40px;
}

.social-links a {
    width: 44px;
    height: 44px;
    border: 1px solid var(--gray-lighter);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.2s;
}

.social-links a:hover {
    border-color: var(--primary);
    background: rgba(37,99,235,0.05);
}

.contact-form-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-lighter);
}

.contact-form-card h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}

.form-group label .required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--dark);
    background: var(--card);
    transition: all 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
    background: var(--bg);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-light);
}

.form-submit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}

.form-submit p {
    font-size: 12px;
    color: var(--gray);
}

.btn-submit {
    padding: 14px 32px;
    font-size: 15px;
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #052e16;
    color: #86efac;
    border: 1px solid #166534;
}

.alert-error {
    background: #450a0a;
    color: #fca5a5;
    border: 1px solid #991b1b;
}

.contact-footer {
    padding: 40px 0;
    background: #060a14;
    color: var(--gray-light);
}

.contact-footer .footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-footer a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.2s;
}

.contact-footer a:hover {
    color: var(--white);
}

.contact-footer-links {
    display: flex;
    gap: 24px;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .contact-form-card {
        padding: 28px;
    }
    .form-submit {
        flex-direction: column;
        gap: 12px;
    }
    .btn-submit {
        width: 100%;
    }
}

/* 404 Page */
.error {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
}

.error-code {
    font-size: 140px;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.error h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.error p {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 32px;
    max-width: 420px;
}

.error-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}