:root {
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #3b82f6;
    --success: #10b981;
    --danger: #ef4444;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-main: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-main);
}

.highlight-text {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background-color: #1ebc57;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.05em;
}

.dot {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a:not(.btn) {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:not(.btn):hover {
    color: var(--primary);
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(to bottom, #ffffff, #f0f9ff);
}

.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: #eff6ff;
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.bonus-box {
    background-color: #fff;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: inline-block;
    margin-bottom: 2.5rem;
    max-width: 600px;
    box-shadow: var(--shadow-sm);
}

.bonus-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    background: #eff6ff;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.bonus-box p {
    font-size: 0.95rem;
    color: var(--text-main);
    margin: 0;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.trust-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Comparison Section */
.comparison {
    padding: 100px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 4rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.comparison-card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.comparison-card.bad {
    background-color: #f8fafc;
}

.comparison-card.good {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
    z-index: 10;
    transform: scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.price-tag {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-muted);
}

.price-tag.highlight {
    color: var(--success);
}

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

.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--text-main);
}

.feature-list li.negative i {
    color: var(--danger);
}

.feature-list li.positive i {
    color: var(--primary);
}

/* Services */
.services {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-item {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.icon-box {
    width: 50px;
    height: 50px;
    background-color: #eff6ff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-box i {
    font-size: 1.5rem;
    color: var(--primary);
}

.service-item h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

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

/* CTA Final */
.cta-final {
    padding: 100px 0;
}

.cta-box {
    background-color: var(--primary);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    color: white;
}

.cta-box h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-box .btn-whatsapp {
    background-color: white;
    color: var(--primary);
}

.cta-box .btn-whatsapp:hover {
    background-color: #f8fafc;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    background: #fff;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.socials {
    display: flex;
    gap: 1.5rem;
}

.socials a {
    color: var(--text-muted);
    font-size: 1.5rem;
    transition: color 0.2s;
}

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

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

/* Liaz.pro Promo */
.liaz-pro-promo {
    padding: 80px 0;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.promo-content {
    max-width: 800px;
    margin: 0 auto;
}

.promo-badge {
    background-color: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: inline-block;
    letter-spacing: 0.05em;
}

.liaz-pro-promo h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.liaz-pro-promo p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    .comparison-card.good {
        transform: none;
    }

    .nav {
        display: none;
    }

    .header-container {
        justify-content: center;
    }
}