/* ========================================
   Z8 MULTI - Landing Page Styles
   Mobile-First Approach
   ======================================== */

/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #06b6d4;
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
    --dark: #0a0a0f;
    --dark-100: #111118;
    --dark-200: #18181f;
    --dark-300: #1f1f28;
    --dark-400: #2a2a35;
    --gray-100: #f8fafc;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark);
    color: var(--gray-200);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Header
   ======================================== */
.header {
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-z8 {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-multi {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-100) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-subtitle {
    font-size: 1rem;
    color: var(--gray-400);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--whatsapp);
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.cta-button:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
}

.cta-button .whatsapp-icon {
    width: 22px;
    height: 22px;
}

.cta-large {
    padding: 18px 40px;
    font-size: 1.0625rem;
}

/* ========================================
   Audience Section
   ======================================== */
.audience {
    padding: 60px 0;
    background: var(--dark-100);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-align: center;
    margin-bottom: 40px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--gray-400);
    text-align: center;
    margin-top: -28px;
    margin-bottom: 40px;
}

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

.audience-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--dark-200);
    border-radius: 12px;
    border: 1px solid var(--dark-400);
    transition: var(--transition);
}

.audience-item:hover {
    border-color: var(--primary);
    background: var(--dark-300);
}

.audience-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 10px;
}

.audience-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--primary-light);
}

.audience-item p {
    font-size: 0.9375rem;
    color: var(--gray-300);
    line-height: 1.5;
}

.audience-item strong {
    color: var(--white);
    font-weight: 600;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: 60px 0;
    background: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-card {
    padding: 28px 24px;
    background: var(--dark-200);
    border-radius: 16px;
    border: 1px solid var(--dark-400);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.service-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--gray-400);
    line-height: 1.6;
}

/* ========================================
   Differentiator Section
   ======================================== */
.differentiator {
    padding: 60px 0;
    background: var(--dark-100);
}

.diff-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.diff-text h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

.diff-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.diff-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: 0.9375rem;
    color: var(--gray-300);
}

.diff-list svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    stroke: var(--accent);
    margin-top: 2px;
}

.diff-stats {
    display: flex;
    gap: 32px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-200) 100%);
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    position: relative;
}

.cta-section > .container > p {
    font-size: 1rem;
    color: var(--gray-400);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-note {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 20px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 40px 0;
    background: var(--dark);
    border-top: 1px solid var(--dark-400);
    text-align: center;
}

.footer .logo {
    justify-content: center;
    margin-bottom: 16px;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.footer-text a {
    color: var(--primary-light);
    text-decoration: none;
}

.footer-text a:hover {
    text-decoration: underline;
}

.footer-cnpj {
    font-size: 0.8125rem;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.footer-legal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.8125rem;
}

.footer-legal a {
    color: var(--gray-500);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--primary-light);
}

.footer-legal span {
    color: var(--gray-600);
}

/* ========================================
   WhatsApp Float Button
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    z-index: 99;
}

.whatsapp-float:hover {
    background: var(--whatsapp-dark);
    transform: scale(1.1);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: var(--white);
}

/* ========================================
   Responsive - Tablet
   ======================================== */
@media (min-width: 640px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

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

/* ========================================
   Responsive - Desktop
   ======================================== */
@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    .hero {
        padding: 160px 0 100px;
    }

    .hero-title {
        font-size: 2.75rem;
        max-width: 800px;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .audience {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .audience-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .services {
        padding: 80px 0;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .differentiator {
        padding: 80px 0;
    }

    .diff-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .diff-text {
        flex: 1;
        max-width: 600px;
    }

    .diff-text h2 {
        font-size: 2rem;
    }

    .diff-stats {
        flex-direction: column;
        gap: 40px;
        padding-left: 60px;
        border-left: 1px solid var(--dark-400);
    }

    .stat-number {
        font-size: 3rem;
    }

    .cta-section {
        padding: 120px 0;
    }

    .cta-section h2 {
        font-size: 2rem;
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    }
}

.whatsapp-float {
    animation: pulse 2s infinite;
}