/* ===== VARIÁVEIS CSS PERSONALIZADAS ===== */
:root {
    /* Paleta de cores baseada na imagem fornecida */
    --primary-color: #2d5a4a;        /* Verde escuro principal */
    --secondary-color: #a8a8a8;      /* Cinza médio */
    --accent-color: #f5f0e8;         /* Bege claro */
    --dark-color: #1a1a1a;           /* Preto */
    --light-color: #ffffff;          /* Branco */
    
    /* Cores derivadas */
    --primary-light: #4a7d6a;
    --primary-dark: #1d4a3a;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    
    /* Tipografia */
    --font-family-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Espaçamentos */
    --section-padding: 80px 0;
    --container-max-width: 1200px;
    
    /* Sombras */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ===== RESET E CONFIGURAÇÕES GLOBAIS ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Compensar navbar fixa */
}

body {
    font-family: var(--font-family-primary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-4 {
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
}

.display-5 {
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.lead {
    font-size: 1.25rem;
    font-weight: var(--font-weight-normal);
    color: var(--text-muted);
}

/* ===== NAVBAR ===== */
.navbar {
    background-color: var(--primary-color) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    padding: 1rem 0;
}

.navbar-brand img {
    transition: transform var(--transition-fast);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    color: var(--light-color) !important;
    font-weight: var(--font-weight-medium);
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 0.375rem;
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Navbar mobile */
.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== SEÇÃO HERO ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    color: var(--light-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-section .lead {
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-section .btn {
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* ===== BOTÕES ===== */
.btn {
    font-weight: var(--font-weight-medium);
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Efeito de ondulação nos botões */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

/* ===== SEÇÕES ===== */
section {
    padding: var(--section-padding);
}

.bg-light {
    background-color: var(--accent-color) !important;
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: 1rem;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: 2rem;
}

/* ===== ÍCONES CIRCULARES ===== */
.icon-circle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-color);
    font-size: 1.5rem;
    margin: 0 auto;
    transition: all var(--transition-normal);
}

.icon-circle-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-color);
    font-size: 2rem;
    margin: 0 auto;
    transition: all var(--transition-normal);
}

.icon-circle:hover,
.icon-circle-large:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

/* ===== ACCORDION (FAQ) ===== */
.accordion-item {
    border: none;
    margin-bottom: 1rem;
    border-radius: 0.75rem !important;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-header {
    margin-bottom: 0;
}

.accordion-button {
    background-color: var(--light-color);
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
    padding: 1.5rem;
    border: none;
    border-radius: 0.75rem !important;
    transition: all var(--transition-fast);
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: var(--light-color);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(45, 90, 74, 0.25);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232d5a4a'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 1.5rem;
    background-color: var(--light-color);
    color: var(--dark-color);
}

.accordion-body h5 {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.accordion-body h5:first-child {
    margin-top: 0;
}

/* ===== FORMULÁRIO ===== */
.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(45, 90, 74, 0.25);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: block;
    font-size: 0.875rem;
    color: #dc3545;
    margin-top: 0.25rem;
}

/* ===== INFORMAÇÕES DE CONTATO ===== */
.contact-info .icon-circle {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
}

.contact-info h5 {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.25rem;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--dark-color) !important;
    color: var(--light-color);
}

footer img {
    filter: brightness(0) invert(1);
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Animação de entrada para elementos */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVIDADE ===== */

/* Tablets */
@media (max-width: 991.98px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .hero-section {
        text-align: center;
    }
    
    .navbar-nav {
        text-align: center;
        padding-top: 1rem;
    }
    
    .navbar-nav .nav-link {
        margin: 0.25rem 0;
    }
}

/* Smartphones */
@media (max-width: 767.98px) {
    :root {
        --section-padding: 40px 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .lead {
        font-size: 1.125rem;
    }
    
    .btn {
        padding: 0.625rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .icon-circle {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .icon-circle-large {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
    
    .accordion-button,
    .accordion-body {
        padding: 1rem;
    }
    
    /* Ajustes para o hero em mobile */
    .hero-section .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-section .btn:last-child {
        margin-bottom: 0;
    }
}

/* Smartphones pequenos */
@media (max-width: 575.98px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .display-4 {
        font-size: 1.75rem;
    }
    
    .display-5 {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* ===== UTILITÁRIOS ===== */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.border-primary {
    border-color: var(--primary-color) !important;
}

/* Espaçamentos customizados */
.py-6 {
    padding-top: 4rem !important;
    padding-bottom: 4rem !important;
}

.my-6 {
    margin-top: 4rem !important;
    margin-bottom: 4rem !important;
}

/* ===== MELHORIAS DE ACESSIBILIDADE ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Foco visível para navegação por teclado */
.btn:focus,
.nav-link:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== ESTADOS DE LOADING ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}


/* ===== ESTILOS PARA IMAGENS E BANNERS ===== */

/* Hero Section com imagem de fundo */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(29, 74, 58, 0.9) 0%, rgba(15, 40, 30, 0.95) 100%);
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

/* Banners de seção */
.section-banner {
    width: 100%;
    height: 250px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.section-banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 28%;
    transition: transform var(--transition-slow);
}

.section-banner:hover .section-banner-image {
    transform: scale(1.05);
}

/* Cards com imagens */
.card-img-top-container {
    height: 200px;
    overflow: hidden;
    border-radius: 1rem 1rem 0 0;
}

.card-img-top {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-normal);
}

.card:hover .card-img-top {
    transform: scale(1.1);
}

/* Ajustes para contato */
.contact-item {
    padding: 1rem;
    border-radius: 0.75rem;
    transition: all var(--transition-normal);
}

.contact-item:hover {
    background-color: rgba(45, 90, 74, 0.05);
    transform: translateY(-5px);
}

.contact-item .icon-circle-large {
    margin: 0 auto 1rem;
}

/* Responsividade para imagens */
@media (max-width: 767.98px) {
    .section-banner {
        height: 180px;
        margin-bottom: 1.5rem;
    }
    
    .card-img-top-container {
        height: 180px;
    }
    
    .hero-section {
        min-height: 70vh;
    }
}

@media (max-width: 575.98px) {
    .section-banner {
        height: 120px;
        border-radius: 0.5rem;
    }
    
    .card-img-top-container {
        height: 120px;
        border-radius: 0.5rem 0.5rem 0 0;
    }
}

/* Estilo para links */
a {
    text-decoration: none;
    color: #888;
    transition: color var(--transition-normal);
}

a:hover {
    color: #666;
}