/* ================================
   VARIÁVEIS E CONFIGURAÇÕES GLOBAIS
   ================================ */

:root {
    --primary: #1b7d7d;
    --primary-dark: #0f4f4f;
    --primary-light: #2d9b9b;
    --secondary: #ff6b35;
    --secondary-light: #ff8555;
    --accent: #004e89;
    --accent-light: #1b6db8;
    --success: #38a169;
    --danger: #e53e3e;
    --light: #e8ecf1;
    --light-gray: #d8dfe8;
    --gray: #a8b3bf;
    --dark: #0f1419;
    --dark-light: #1a2332;
    --white: #ffffff;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15), 0 10px 20px rgba(0, 0, 0, 0.12);
    --box-shadow-hover: 0 20px 25px rgba(0, 0, 0, 0.2), 0 25px 50px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.3;
    color: var(--dark);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    color: var(--dark-light);
    font-size: 1rem;
}

.lead {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--dark-light);
}

.text-muted {
    color: var(--dark-light) !important;
    font-weight: 500;
}

/* ================================
   BRAND
   ================================ */

.brand-accent {
    color: var(--secondary);
    font-weight: 800;
}

/* ================================
   NAVEGAÇÃO
   ================================ */

.navbar {
    background: linear-gradient(135deg, rgba(15, 20, 25, 0.95) 0%, rgba(26, 35, 50, 0.95) 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--white) !important;
    letter-spacing: -0.5px;
    font-weight: 800;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
    margin: 0 0.5rem;
}

.navbar-nav .nav-link:hover {
    color: var(--secondary) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transform: translateX(-50%);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: 0 10px 20px rgba(27, 125, 125, 0.3);
    transform: translateY(-2px);
}

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

.btn {
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(27, 125, 125, 0.3);
}

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

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

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

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

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

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
    background: var(--white);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
}

.card-body {
    padding: 2rem;
}

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

.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 50%;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.footer {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: var(--light);
    margin-top: 6rem;
    border-top: 1px solid var(--gray);
}

.footer h6,
.footer-title {
    color: var(--white) !important;
    font-weight: 700;
}

.footer p {
    color: var(--gray) !important;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

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

.container {
    max-width: 1200px;
}

/* ================================
   UTILITIES
   ================================ */

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

.text-secondary {
    color: var(--secondary) !important;
}

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

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

.rounded-lg {
    border-radius: var(--border-radius);
}

.shadow-sm {
    box-shadow: var(--box-shadow) !important;
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out forwards;
}