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

/* ==================== CSS VARIABLES (DESIGN SYSTEM) ==================== */
:root {
    /* Base Colors */
    --white: #FFFFFF;
    --black: #1F1815;
    /* Charcoal warm - mais profundo */

    /* Refined Burgundy Palette */
    --burgundy: #4A1B27;
    /* Burgundy deep - mais autoritário */
    --burgundy-rich: #6B2739;
    /* Burgundy médio - variações */
    --mahogany: #5C2E2E;
    /* Mogno - hero backgrounds dramáticos */
    --terracotta: #94523E;
    /* Terracota burnt - mais premium */
    --sepia: #F0EBE3;
    /* Sepia warm - mais acolhedor */
    --gold-muted: #8B7355;
    /* Gold antique - mais profundo */
    --gray-light: #E5E5E5;
    --gray-medium: #999999;

    /* Typography */
    --font-serif: 'Crimson Text', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;

    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

/* ==================== TYPOGRAPHY ==================== */
body {
    font-family: var(--font-sans);
    font-size: 18px;
    line-height: 1.7;
    color: var(--black);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 36px;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    h3 {
        font-size: 20px;
    }

    body {
        font-size: 16px;
    }
}

/* ==================== CONTAINER ==================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    width: 100%;
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== HEADER/NAVIGATION ==================== */
header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-medium);
}

header.scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--burgundy);
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--gray-light);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--sepia);
    }

    .mobile-menu-toggle {
        display: block;
    }
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

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

.btn-primary:hover {
    background: #3A1520;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(74, 27, 39, 0.4);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

/* Burgundy Outline for Light Backgrounds */
.btn-outline-dark {
    background: transparent;
    color: var(--burgundy);
    border: 2px solid var(--burgundy);
}

.btn-outline-dark:hover {
    background: var(--burgundy);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-block;
    background: var(--gold-muted);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-right: 8px;
    margin-bottom: 8px;
}

.badges-container {
    margin-top: var(--spacing-md);
}

/* ==================== CARDS ==================== */
.card {
    background: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all var(--transition-medium);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--burgundy);
    box-shadow: 0 12px 40px rgba(107, 39, 55, 0.15);
}

.card h3 {
    color: var(--burgundy);
    margin-bottom: var(--spacing-sm);
}

.card p {
    color: var(--gray-medium);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

/* ==================== GRID LAYOUTS ==================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ==================== SECTIONS ==================== */
section {
    padding: var(--spacing-xl) 0;
}

section:nth-child(even):not(.hero):not(.hero-internal):not(.hero-contact) {
    background: var(--sepia);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--gray-medium);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* ==================== TESTIMONIALS ==================== */
.testimonial-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border-left: 4px solid var(--burgundy);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.testimonial-quote {
    font-size: 16px;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

.testimonial-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--burgundy);
}

/* ==================== FOOTER ==================== */
footer {
    background: var(--black);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

footer a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

footer a:hover {
    color: var(--terracotta);
}

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

.footer-section h4 {
    color: var(--terracotta);
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: var(--gray-medium);
}

/* ==================== UTILITY CLASSES ==================== */
.text-center {
    text-align: center;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}