/**
 * ESTILOS PRINCIPAIS
 * Banco Inbursa - Contabilidade e Assessoria
 * Design: Azul Marinho (#001f3f) + Dourado (#FFD700)
 * Responsivo: Mobile First
 */

/* ============================================================================
   VARIÁVEIS CSS (Design Tokens)
   ============================================================================ */

:root {
    /* Cores Primárias */
    --color-primary: #001f3f;      /* Azul Marinho */
    --color-primary-dark: #000f1f;
    --color-primary-light: #003d66;
    --color-accent: #FFD700;       /* Dourado */
    --color-accent-dark: #DAA520;
    
    /* Cores Neutras */
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-gray-100: #f1f3f5;
    --color-gray-300: #dee2e6;
    --color-gray-500: #6c757d;
    --color-gray-700: #495057;
    --color-dark: #212529;
    
    /* Cores de Status */
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    
    /* Tipografia */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: 'Georgia', 'Times New Roman', serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Espaçamento */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ============================================================================
   RESET E ESTILOS GLOBAIS
   ============================================================================ */

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ============================================================================
   TIPOGRAFIA
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

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

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

h3 {
    font-size: var(--font-size-xl);
}

h4, h5, h6 {
    font-size: var(--font-size-lg);
}

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

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

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

/* ============================================================================
   CONTAINER
   ============================================================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============================================================================
   HEADER E NAVEGAÇÃO
   ============================================================================ */

.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-300);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.98);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-primary);
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Navegação Principal */
.nav-main {
    display: flex;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--color-dark);
    font-weight: var(--font-weight-normal);
    transition: color var(--transition-base);
    border-bottom: 2px solid transparent;
}

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

.nav-item.active .nav-link {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-chevron {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    transition: transform var(--transition-base);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    list-style: none;
    min-width: 250px;
    margin-top: var(--spacing-sm);
    z-index: 1001;
}

.dropdown-menu.active {
    display: block;
}

.dropdown-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-dark);
    transition: all var(--transition-base);
}

.dropdown-link:hover {
    background-color: var(--color-light);
    color: var(--color-accent);
    padding-left: calc(var(--spacing-lg) + var(--spacing-sm));
}

.dropdown-menu li:first-child .dropdown-link {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.dropdown-menu li:last-child .dropdown-link {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* CTA Button */
.nav-cta {
    background-color: var(--color-accent);
    color: var(--color-primary) !important;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
}

.nav-cta:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-primary) !important;
}

/* ============================================================================
   RESPONSIVO - MOBILE
   ============================================================================ */

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-main {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-gray-300);
        flex-direction: column;
        padding: var(--spacing-lg);
    }

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

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .dropdown-menu {
        position: static;
        display: none;
        border: none;
        box-shadow: none;
        background-color: var(--color-gray-100);
        margin-top: var(--spacing-md);
    }

    .dropdown-menu.active {
        display: block;
    }

    .dropdown-link {
        padding-left: var(--spacing-xl);
    }
}

/* ============================================================================
   SEÇÕES PRINCIPAIS
   ============================================================================ */

.section {
    padding: var(--spacing-3xl) 0;
}

.section-light {
    background-color: var(--color-light);
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
    color: var(--color-white);
}

.section-dark a {
    color: var(--color-accent);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title h2 {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    background-image: url('<?php echo HERO_BANNER_URL; ?>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 31, 63, 0.85);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero h1 {
    color: var(--color-white);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
}

.hero p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

/* ============================================================================
   BOTÕES
   ============================================================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

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

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

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-header {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-300);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-300);
}

/* ============================================================================
   GRID
   ============================================================================ */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column {
    padding: var(--spacing-md);
}

.footer-title {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.footer-text {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    opacity: 0.9;
}

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

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-md);
}

.footer-links a,
.footer-contact a {
    color: var(--color-white);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.footer-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin: var(--spacing-2xl) 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.footer-legal {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-legal a {
    color: var(--color-white);
}

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

.footer-legal-info {
    text-align: center;
    font-size: var(--font-size-sm);
    opacity: 0.8;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================================================
   BOTÃO VOLTAR AO TOPO
   ============================================================================ */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    display: flex;
}

.back-to-top:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.icon-arrow-up {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-left: 2px solid currentColor;
    border-top: 2px solid currentColor;
    transform: rotate(-45deg);
}

/* ============================================================================
   FORMULÁRIOS
   ============================================================================ */

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

.form-success {
    color: var(--color-success);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

/* ============================================================================
   UTILITÁRIOS
   ============================================================================ */

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.text-muted {
    color: var(--color-gray-500);
}

.text-accent {
    color: var(--color-accent);
}

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

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* ============================================================================
   ANIMAÇÕES
   ============================================================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ============================================================================
   RESPONSIVO - TABLET
   ============================================================================ */

@media (max-width: 1024px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }

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

    h2 {
        font-size: var(--font-size-xl);
    }
}

/* ============================================================================
   RESPONSIVO - MOBILE
   ============================================================================ */

@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --spacing-lg: 20px;
        --spacing-xl: 24px;
        --spacing-2xl: 32px;
        --spacing-3xl: 40px;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero h1 {
        font-size: var(--font-size-2xl);
    }

    .hero p {
        font-size: var(--font-size-base);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
}

/* Fim do arquivo style.css */