/* ============================================================
   Mandacaru ERP — Landing Page
   ============================================================ */

/* Reset e variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1d4ed8;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --text: #111827;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

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

/* ============================================================
   HEADER
   ============================================================ */
.header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s;
}

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

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    padding-bottom: 14px;
}

.logo img {
    height: 44px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--primary);
    background: #eff6ff;
}

.btn-nav-erp {
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 8px 20px;
    border-radius: 8px;
    margin-left: 8px;
    transition: all 0.2s;
}

.btn-nav-erp:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

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

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

/* ============================================================
   HERO
   ============================================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #2563eb 100%);
    color: #fff;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.9);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.88;
    margin-bottom: 44px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245,158,11,0.4);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

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

.btn-white:hover {
    background: #f0f9ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    padding: 24px 40px;
    backdrop-filter: blur(10px);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 40px;
}

.hero-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.75);
    margin-top: 4px;
    text-align: center;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.25);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: #eff6ff;
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* ============================================================
   PILARES / FUNCIONALIDADES
   ============================================================ */
.pilares {
    padding: 96px 0;
    background: var(--bg-light);
}

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

.pilar-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all 0.3s;
}

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

.pilar-icon {
    width: 48px;
    height: 48px;
    background: #eff6ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.pilar-icon svg {
    width: 24px;
    height: 24px;
}

.pilar-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.pilar-card > p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.pilar-lista {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pilar-lista li {
    font-size: 0.875rem;
    color: var(--text-muted);
    padding-left: 16px;
    position: relative;
}

.pilar-lista li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-light);
    font-size: 0.75rem;
    top: 1px;
}

/* ============================================================
   AUTORIDADE / DIFERENCIAIS
   ============================================================ */
.autoridade {
    padding: 96px 0;
}

.autoridade-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.autoridade-text .section-tag {
    display: inline-block;
    margin-bottom: 16px;
}

.autoridade-text h2 {
    font-size: clamp(1.75rem, 2.5vw, 2.25rem);
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.autoridade-text p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 16px;
}

.diferenciais-lista {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.diferencial-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.diferencial-check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: #dcfce7;
    color: #16a34a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    margin-top: 2px;
}

.diferencial-item strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--text);
    margin-bottom: 2px;
}

.diferencial-item span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.autoridade-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.autoridade-card-principal {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.autoridade-icon-grande {
    font-size: 3rem;
    flex-shrink: 0;
}

.autoridade-stat-grande span {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.autoridade-stat-grande p {
    font-size: 0.9375rem;
    opacity: 0.85;
    margin-top: 6px;
}

.autoridade-cards-pequenos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.autoridade-card-pequeno {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ac-numero {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.ac-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 80px 0;
    color: #fff;
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1.0625rem;
    opacity: 0.85;
    margin-bottom: 40px;
    line-height: 1.65;
}

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

/* ============================================================
   CONTATO
   ============================================================ */
.contato {
    padding: 96px 0;
    background: var(--bg-light);
}

.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 60px;
    align-items: start;
}

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

.contato-icon-wrap {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: #eff6ff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contato-icon-wrap svg {
    width: 20px;
    height: 20px;
}

.contato-details h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.contato-details a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
}

.contato-details a:hover { text-decoration: underline; }

.contato-details p {
    color: var(--text);
    font-size: 1rem;
}

.contato-erp-box {
    margin-top: 40px;
    padding: 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.contato-erp-box p {
    font-weight: 600;
    color: var(--text);
}

.contato-form {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

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

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

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

.form-group textarea { resize: vertical; }

.form-obs {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 56px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 44px;
    margin-bottom: 14px;
    opacity: 0.9;
}

.footer-brand-nome {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.footer-brand-slogan {
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.6;
}

.footer-info h4,
.footer-links h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}

.footer-info p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-info a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-info a:hover { color: #fff; }

.footer-cnpj {
    margin-top: 12px;
    font-size: 0.8125rem !important;
    color: #475569 !important;
}

.footer-links {
    display: flex;
    flex-direction: column;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9375rem;
    padding: 5px 0;
    transition: color 0.2s;
}

.footer-links a:hover { color: #fff; }

.footer-link-erp {
    color: var(--accent) !important;
    font-weight: 600;
    margin-top: 8px;
}

.footer-social {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #1e293b;
}

.footer-instagram {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #94a3b8 !important;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-instagram:hover {
    color: #e1306c !important;
}

.footer-instagram svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: #475569;
    font-size: 0.875rem;
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
    position: fixed;
    width: 58px;
    height: 58px;
    bottom: 28px;
    right: 28px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    z-index: 999;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .pilares-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .autoridade-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .autoridade-visual {
        order: -1;
    }
}

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

    .nav.active { display: flex; }

    .nav-link {
        padding: 12px 8px;
        border-radius: 0;
        border-bottom: 1px solid var(--border);
    }

    .btn-nav-erp {
        margin-left: 0;
        margin-top: 12px;
        text-align: center;
    }

    .menu-toggle { display: flex; }

    .hero { padding: 72px 0 60px; }

    .hero-stats {
        flex-direction: column;
        padding: 24px;
        gap: 20px;
    }

    .hero-stat { padding: 0; }
    .hero-stat-divider { width: 80px; height: 1px; }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .form-row { grid-template-columns: 1fr; }

    .contato-erp-box {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; text-align: center; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .cta-buttons .btn { width: 100%; max-width: 320px; }

    .contato-form { padding: 28px 20px; }

    .autoridade-card-principal {
        flex-direction: column;
        text-align: center;
    }
}