/* ============================================================================
   Maintrix Landing Page — Styles
   Inspired by Mima Tecnologia brand (dark, modern, professional)
   ============================================================================ */

:root {
    --primary: #0073ea;
    --primary-dark: #005bb5;
    --primary-light: #3d9dff;
    --accent: #00d4aa;
    --bg-dark: #0a0a0f;
    --bg-section: #111118;
    --bg-card: #1a1a24;
    --bg-card-hover: #222230;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b80;
    --border: #2a2a3a;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* ─── Header ─────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
}

.logo-icon-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

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

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 115, 234, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

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

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(0, 115, 234, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 115, 234, 0.1);
    border: 1px solid rgba(0, 115, 234, 0.3);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-proof {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.proof-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.proof-item i {
    color: var(--accent);
}

/* Mockup */
.mockup-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.mockup-header {
    display: flex;
    gap: 8px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.mockup-body {
    padding: 24px;
}

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

.stat-card {
    background: var(--bg-section);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
}

.stat-card.accent {
    border: 1px solid var(--primary);
    background: rgba(0, 115, 234, 0.05);
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

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

.section-dark {
    background: var(--bg-section);
}

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

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ─── Problems ───────────────────────────────────────────────── */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.problem-card:hover {
    border-color: #ff4444;
    background: var(--bg-card-hover);
}

.problem-card i {
    color: #ff4444;
    font-size: 1.5rem;
    margin-bottom: 12px;
    display: block;
}

.problem-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 115, 234, 0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 115, 234, 0.1);
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 1.3rem;
    color: var(--primary-light);
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

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

.benefit-card {
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.benefit-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.5;
    margin-bottom: 12px;
}

.benefit-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.87rem;
    line-height: 1.5;
}

/* ─── Pricing ────────────────────────────────────────────────── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(0, 115, 234, 0.05) 0%, var(--bg-card) 100%);
    transform: scale(1.03);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.3rem;
    margin-bottom: 4px;
}

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

.pricing-price {
    margin: 24px 0;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.price-currency {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.price-value {
    font-size: 2.8rem;
    font-weight: 800;
}

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

.pricing-features {
    list-style: none;
    flex: 1;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li i {
    color: var(--accent);
    font-size: 1rem;
}

/* ─── CTA Section ────────────────────────────────────────────── */
.section-cta {
    background: linear-gradient(135deg, rgba(0, 115, 234, 0.08), rgba(0, 212, 170, 0.05));
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.cta-note {
    display: block;
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
    padding: 60px 0 24px;
    border-top: 1px solid var(--border);
}

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 12px;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.9rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 4px 0;
    transition: color var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ─── WhatsApp Float ─────────────────────────────────────────── */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform var(--transition);
}

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

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle { margin: 0 auto 32px; }
    .hero-ctas { justify-content: center; }
    .hero-proof { justify-content: center; }
    .hero-visual { display: none; }

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

    .pricing-card.featured { transform: none; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }

    .nav.active { display: flex; }
    .nav-toggle { display: block; }

    .hero h1 { font-size: 2.2rem; }
    .section-header h2 { font-size: 1.7rem; }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-ctas { flex-direction: column; }
    .btn-lg { width: 100%; justify-content: center; }
}