/* ==============================================================================
   DGC Soluções nas Alturas - Design System & Responsive Stylesheet
   Pure CSS3 - HostGator Compatible (No build tools required)
   ============================================================================== */

:root {
    --primary-color: #1e3a8a;       /* Navy Blue */
    --primary-dark: #0f172a;        /* Slate Dark */
    --accent-color: #f59e0b;        /* Safety Gold / Amber */
    --accent-hover: #d97706;        /* Dark Gold */
    --secondary-color: #0284c7;     /* Sky Blue */
    --bg-light: #f8fafc;            /* Off-white background */
    --bg-card: #ffffff;             /* Card white */
    --text-dark: #0f172a;           /* Headings Dark */
    --text-muted: #64748b;          /* Paragraph muted */
    --border-color: #e2e8f0;        /* Light Border */
    --success-color: #10b981;       /* Green */
    --danger-color: #ef4444;        /* Red */
    --radius: 8px;
    --transition: all 0.3s ease;
    --font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    --container-max: 1200px;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.75rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; color: var(--text-muted); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #ffffff;
}

.btn-secondary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: var(--primary-dark);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Header & Navigation */
.header {
    background-color: var(--primary-dark);
    color: #ffffff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 800;
    color: #ffffff;
}

.logo span {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
    list-style: none;
}

.nav-link {
    color: #cbd5e1;
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(15,23,42,0.92) 0%, rgba(30,58,138,0.85) 100%), 
                url('https://images.unsplash.com/photo-1541888946425-d0fbb186a5b3?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    color: #ffffff;
    padding: 100px 0 80px 0;
    text-align: left;
}

.hero h1 {
    color: #ffffff;
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    color: #e2e8f0;
    font-size: 1.25rem;
    max-width: 650px;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Section Styling */
.section {
    padding: 70px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2.25rem;
    color: var(--primary-dark);
}

.section-title p {
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(30, 58, 138, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

/* Form Styling */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-dark);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: #ffffff;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 9999;
    transition: var(--transition);
}

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

/* Cookie Consent Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--primary-dark);
    color: #ffffff;
    padding: 20px;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.15);
    z-index: 9998;
    display: none;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-text p {
    color: #cbd5e1;
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: #94a3b8;
    padding: 50px 0 20px 0;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer h4 {
    color: #ffffff;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #94a3b8;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #1e293b;
    font-size: 0.9rem;
}

/* Responsive Rules */
@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-dark);
        padding: 20px;
        border-top: 1px solid #1e293b;
    }
    .nav-menu.active { display: flex; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1.1rem; }
    .grid-2 { grid-template-columns: 1fr; }
}