/* ==========================================================================
   SV SYNTEKO PISOS — DESIGN SYSTEM & TOKENS (ENTREGA A - FUNDAÇÃO)
   ========================================================================== */

:root {
    /* Cores Institucionais */
    --color-primary: #1e3a5f;          /* Azul corporativo sóbrio */
    --color-primary-dark: #12243b;
    --color-primary-light: #2c5282;
    --color-secondary: #c59b27;        /* Ocre / Dourado madeira nobre */
    --color-secondary-dark: #9e7917;
    --color-accent: #e28743;           /* Destaque caloroso */

    /* Neutros */
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-alt: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-dark: #cbd5e1;

    /* Tipografia e Textos */
    --color-text-main: #0f172a;
    --color-text-muted: #475569;
    --color-text-light: #64748b;
    --color-text-inverse: #ffffff;

    /* Status */
    --color-success: #15803d;
    --color-warning: #b45309;
    --color-danger: #b91c1c;

    /* Tipografia Font Stacks */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Escala Modular */
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */

    /* Espaçamentos */
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-6: 1.5rem;   /* 24px */
    --space-8: 2rem;     /* 32px */
    --space-12: 3rem;    /* 48px */
    --space-16: 4rem;    /* 64px */

    /* Sombras & Raios */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);

    /* Grid & Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

@media (min-width: 768px) {
    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-muted);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

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

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.site-main {
    flex: 1 0 auto;
    padding-top: var(--space-8);
    padding-bottom: var(--space-12);
}

/* Componentes Estruturais */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.brand-badge {
    background-color: var(--color-secondary);
    color: var(--color-surface);
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-6);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text-main);
    padding: var(--space-2) var(--space-1);
    border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-secondary);
}

/* Cards e Seções Base */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.grid {
    display: grid;
    gap: var(--space-6);
}

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

@media (min-width: 640px) {
    .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Badges e Tags */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-success {
    background-color: #dcfce7;
    color: var(--color-success);
}

.badge-info {
    background-color: #e0f2fe;
    color: #0369a1;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.card-featured {
    border: 2px solid var(--color-secondary);
    box-shadow: 0 4px 6px -1px rgba(180, 83, 9, 0.1), 0 2px 4px -2px rgba(180, 83, 9, 0.1);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

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

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Footer Estrutural */
.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-surface-alt);
    padding-top: var(--space-12);
    padding-bottom: var(--space-8);
    margin-top: auto;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
    color: var(--color-surface);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-4);
    position: relative;
    padding-bottom: var(--space-2);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-secondary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: #94a3b8;
    font-size: var(--font-size-sm);
}

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

.footer-bottom {
    padding-top: var(--space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    font-size: var(--font-size-xs);
    color: #94a3b8;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.team-area-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-secondary) !important;
    font-weight: 600;
}

.team-area-link:hover {
    color: var(--color-surface) !important;
    text-decoration: underline;
}

/* Hero Base */
.hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-text-inverse);
    padding: var(--space-12) 0;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-12);
    box-shadow: var(--shadow-md);
}

.hero h1 {
    color: var(--color-surface);
    margin-bottom: var(--space-4);
}

.hero p {
    color: #cbd5e1;
    font-size: var(--font-size-lg);
    max-width: 720px;
    margin-bottom: var(--space-6);
}

/* Responsividade de Header e Menu Mobile */
@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block !important;
    }

    .nav-container {
        display: none;
        width: 100%;
        margin-top: 1rem;
    }

    .nav-container.nav-open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 0.5rem;
        background: #ffffff;
        padding: 1rem;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        border: 1px solid var(--color-border);
    }

    .header-inner {
        flex-wrap: wrap;
    }

    .hero {
        padding: var(--space-8) 0;
    }

    .hero > div {
        padding: 0 var(--space-4) !important;
    }
}

/* Estilos de Conteúdo Editorial Seguro */
.page-editorial-content,
.service-editorial-content {
    color: var(--color-text-main);
    font-size: var(--font-size-base);
    line-height: 1.8;
}

.page-editorial-content p,
.service-editorial-content p {
    margin-bottom: 1.25rem;
}

.page-editorial-content h2,
.service-editorial-content h2 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-size: var(--font-size-xl);
    color: var(--color-primary-dark);
}

.page-editorial-content h3,
.service-editorial-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

.page-editorial-content ul,
.page-editorial-content ol,
.service-editorial-content ul,
.service-editorial-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.page-editorial-content li,
.service-editorial-content li {
    margin-bottom: 0.35rem;
}

/* ==========================================================================
   CARROSSEL VISUAL DE PROJETOS NA HOME (ENTREGA H - COMPLEMENTO)
   Apresentação exclusiva da vitrine de projetos destacados na Home.
   ========================================================================== */

.featured-carousel-wrapper {
    position: relative;
    width: 100%;
}

.carousel-controls {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-bottom: var(--space-4);
}

.carousel-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-primary);
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease, color 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.carousel-nav-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-surface);
    border-color: var(--color-primary);
}

.carousel-nav-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.carousel-nav-btn:active {
    transform: scale(0.95);
}

.carousel-nav-btn:disabled,
.carousel-nav-btn[aria-disabled="true"] {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Trilho do Carrossel com Scroll Snap Nativo */
.carousel-track {
    display: flex;
    gap: var(--space-6);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-3);
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.carousel-track::-webkit-scrollbar {
    height: 6px;
}

.carousel-track::-webkit-scrollbar-track {
    background: transparent;
}

.carousel-track::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: var(--radius-full);
}

.carousel-track:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: var(--radius-md);
}

/* Cards / Slides do Carrossel */
.carousel-slide {
    scroll-snap-align: start;
    flex: 0 0 calc((100% - (2 * var(--space-6))) / 3);
    min-width: 280px;
    max-width: 380px;
}

/* Tablet (2 cards visíveis) */
@media (max-width: 1024px) {
    .carousel-slide {
        flex: 0 0 calc((100% - var(--space-6)) / 2);
        min-width: 260px;
    }
}

/* Mobile (1 card visível com peek do próximo para incentivar scroll natural) */
@media (max-width: 640px) {
    .carousel-slide {
        flex: 0 0 85%;
        min-width: 260px;
        max-width: 320px;
    }
    
    .carousel-controls {
        gap: 0.35rem;
    }
    
    .carousel-nav-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
}