:root {
    --bg: #0b0f14;
    --bg-light: #111c27;
    --panel: #0f1720;
    --card: #111c27;
    --text: #e7eef7;
    --text-secondary: #a8b3c2;
    --muted: #a8b3c2;
    --accent: #4da3ff;
    --accent-dark: #3a7bc8;
    --accent-light: rgba(77, 163, 255, 0.1);
    --ok: #27c07d;
    --warn: #ffb020;
    --danger: #ff5d5d;
    --border: rgba(231, 238, 247, 0.12);
    --border-light: rgba(231, 238, 247, 0.05);
    --shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --gradient: linear-gradient(135deg, #4da3ff, #27c07d);
    --gradient-text: linear-gradient(135deg, #4da3ff, #6c5ce7);
    --radius: 16px;
    --radius-sm: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(11, 15, 20, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(77, 163, 255, 0.18);
    border: 1px solid rgba(77, 163, 255, 0.28);
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 20px;
    color: var(--accent);
}

.logo-text {
    font-weight: 800;
    font-size: 18px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-list {
    display: flex;
    gap: 32px;
    list-style: none;
}

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

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

.nav-buttons {
    display: flex;
    gap: 12px;
}

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 24px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(77, 163, 255, 0.2);
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ===== Hero Section ===== */
.hero {
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(77, 163, 255, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent-light);
    border: 1px solid rgba(77, 163, 255, 0.2);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

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

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

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== Dashboard Preview ===== */
.hero-image {
    position: relative;
}

.dashboard-preview {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.preview-img {
    width: 100%;
    height: auto;
    display: block;
}

.floating-card {
    position: absolute;
    background: rgba(15, 23, 32, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--accent);
}

.card-1 {
    top: 20px;
    left: -20px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 40px;
    right: -20px;
    animation-delay: 0.5s;
}

.card-3 {
    top: 40%;
    right: -30px;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 0;
}

/* ===== Sections ===== */
section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-light);
    border: 1px solid rgba(77, 163, 255, 0.2);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* ===== Steps ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.step-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.step-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(77, 163, 255, 0.1);
    line-height: 1;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-light);
    border: 1px solid rgba(77, 163, 255, 0.2);
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 24px;
}

.step-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.step-example {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    position: relative;
}

.step-example i {
    position: absolute;
    top: 8px;
    right: 8px;
    color: var(--accent);
    opacity: 0.3;
}

/* ===== Features ===== */
.features {
    background: var(--panel);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-light);
    border: 1px solid rgba(77, 163, 255, 0.2);
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 20px;
    color: var(--accent);
    margin-bottom: 16px;
}

.feature-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Demo ===== */
.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.demo-steps {
    margin: 40px 0;
}

.demo-step {
    display: flex;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.demo-step.active {
    border-color: var(--accent);
    background: var(--accent-light);
}

.demo-step-number {
    width: 32px;
    height: 32px;
    background: var(--accent-light);
    border: 1px solid rgba(77, 163, 255, 0.2);
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-weight: 700;
    color: var(--accent);
}

.demo-step.active .demo-step-number {
    background: var(--accent);
    color: var(--bg);
}

.demo-step-info h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.demo-step-info p {
    font-size: 13px;
    color: var(--text-secondary);
}

.video-container {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.video-preview {
    width: 100%;
    height: auto;
    display: block;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--accent);
    border: none;
    border-radius: 50%;
    color: var(--bg);
    font-size: 32px;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(77, 163, 255, 0.4);
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

/* ===== Pricing ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: var(--transition);
}

.pricing-card.popular {
    border-color: var(--accent);
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.pricing-price {
    margin-bottom: 8px;
}

.price {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
}

.period {
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-description {
    font-size: 13px;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 14px;
}

.pricing-features i {
    width: 16px;
    color: var(--ok);
}

.pricing-features .disabled {
    opacity: 0.5;
}

.pricing-features .disabled i {
    color: var(--danger);
}

.pricing-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== Testimonials ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.testimonial-rating {
    color: #ffb020;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
}

.author-info h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.author-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ===== CTA ===== */
.cta {
    background: linear-gradient(135deg, var(--accent-light), transparent);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

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

.cta-note {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ===== Footer ===== */
.footer {
    background: var(--panel);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 18px;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent);
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.footer-bottom i {
    color: var(--danger);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-grid,
    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
    }
    
    .steps-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--panel);
        border-bottom: 1px solid var(--border);
        padding: 20px;
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav-buttons {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .steps-grid,
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

/* ===== Animações ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.step-card,
.feature-card,
.pricing-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}