/* ===== DESIGN MODERNO E PREMIUM - BRAVO RH ===== */

/* Importar fontes Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap');

/* Reset e Variáveis CSS */
:root {
    /* Cores Principais */
    --primary-dark: #003366;
    --primary: #1E5A9E;
    --primary-light: #4A90D9;
    --accent: #E67E22;
    --accent-dark: #D35400;
    
    /* Cores Neutras */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transições */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== HEADER MODERNO ===== */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-100);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo-container {
    display: flex;
    align-items: center;
    transition: transform var(--transition);
}

.logo-container:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 70px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--gray-800);
    font-weight: 600;
    font-size: 1.05rem;
    position: relative;
    transition: color var(--transition);
    letter-spacing: -0.01em;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width var(--transition);
}

nav a:hover {
    color: var(--primary);
}

nav a:hover::after {
    width: 100%;
}

/* Language Selector Premium */
.language-selector {
    position: relative;
    margin-left: 1.5rem;
}

.lang-toggle {
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    padding: 0.6rem 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.lang-toggle:hover {
    background-color: var(--gray-50);
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

.lang-toggle svg {
    color: var(--primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition);
    overflow: hidden;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1.25rem;
    text-decoration: none;
    color: var(--gray-700);
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--gray-100);
    font-weight: 500;
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: linear-gradient(90deg, rgba(30, 90, 158, 0.05), rgba(230, 126, 34, 0.05));
    color: var(--primary);
    padding-left: 1.5rem;
}

.lang-option.active {
    background: linear-gradient(90deg, rgba(30, 90, 158, 0.1), rgba(230, 126, 34, 0.1));
    color: var(--primary);
    font-weight: 600;
}

.lang-option .flag {
    font-size: 1.35rem;
}

/* Mobile menu */
.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* ===== HERO SECTION PREMIUM ===== */
.hero {
    background: linear-gradient(135deg, #003366 0%, #1E5A9E 50%, #4A90D9 100%);
    position: relative;
    overflow: hidden;
    padding: 6rem 0 4rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(74, 144, 217, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(230, 126, 34, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, var(--white), transparent);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero .btn {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

/* ===== BUTTONS PREMIUM ===== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(230, 126, 34, 0.4);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(230, 126, 34, 0.5);
}

.btn:active {
    transform: translateY(0);
}

/* ===== SECTIONS PREMIUM ===== */
section {
    padding: 4rem 0;
    position: relative;
}

section h2 {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

/* About Section */
#about {
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

#about h2 {
    text-align: center;
    margin-bottom: 2rem;
}

#about h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    text-align: justify;
}

/* ===== SERVICES SECTION PREMIUM ===== */
.services-section {
    background: var(--white);
}

.services-intro {
    text-align: center;
    margin-bottom: 2.5rem;
}

.services-intro h2 {
    margin-bottom: 1rem;
}

.services-intro h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.services-intro p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.service-tabs {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.service-tab {
    padding: 1rem 2rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 600;
    font-size: 1rem;
    color: var(--gray-700);
    box-shadow: var(--shadow-sm);
}

.service-tab:hover {
    background: var(--gray-50);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.service-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 8px 16px rgba(30, 90, 158, 0.3);
}

.service-content {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    animation: fadeIn 0.5s ease-out;
}

.service-content h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

.service-content p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.service-content ul {
    list-style: none;
    margin-left: 0;
}

.service-content li {
    margin-bottom: 1.25rem;
    padding-left: 2rem;
    position: relative;
    font-size: 1.05rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.service-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.25rem;
}

/* ===== DIFFERENTIALS PREMIUM ===== */
.differentials {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.differentials h2 {
    text-align: center;
    margin-bottom: 2.5rem;
}

.differentials h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.differential-item {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.differential-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.differential-item:hover::before {
    transform: scaleX(1);
}

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

.differential-item h3 {
    font-family: var(--font-heading);
    color: var(--primary);
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.differential-item p {
    color: var(--gray-600);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ===== CAREERS SECTION ===== */
#careers {
    background: var(--white);
}

#careers h2 {
    text-align: center;
    margin-bottom: 1rem;
}

#careers h2::after {
    left: 50%;
    transform: translateX(-50%);
}

#careers > p {
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 4rem;
}

#careers h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin: 3rem 0 2rem;
    color: var(--gray-900);
    font-weight: 700;
}

.careers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.career-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
    border: 1px solid var(--gray-100);
}

.career-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.career-card h3 {
    font-family: var(--font-heading);
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0;
}

.career-card .location {
    display: block;
    color: var(--gray-500);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.career-card p {
    color: var(--gray-600);
    margin-bottom: 1.75rem;
    line-height: 1.7;
}

.career-card .btn {
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
}

/* ===== FORM PREMIUM ===== */
.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.95rem;
}

.form-group label.required::after {
    content: " *";
    color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 90, 158, 0.1);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.file-input {
    border: 2px dashed var(--gray-300);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--gray-50);
}

.file-input:hover {
    border-color: var(--primary);
    background: rgba(30, 90, 158, 0.05);
}

.file-input input[type="file"] {
    display: none;
}

.file-name {
    margin-top: 1rem;
    color: var(--primary);
    font-weight: 600;
}

/* ===== CTA SECTION PREMIUM ===== */
.cta {
    background: linear-gradient(135deg, #003366 0%, #1E5A9E 50%, #4A90D9 100%);
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(74, 144, 217, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(230, 126, 34, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    margin-bottom: 1.25rem;
    color: var(--white);
    font-weight: 700;
}

.cta h2::after {
    display: none;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
}

.cta .btn {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(255, 255, 255, 0.3);
}

.cta .btn:hover {
    background: var(--gray-50);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.4);
}

/* ===== CLIENTS SECTION ===== */
.clients-section {
    background: var(--gray-50);
    padding: 4rem 0;
}

.clients-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.clients-section h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    align-items: center;
    justify-items: center;
}

.client-logo {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 250px;
    height: 140px;
    border: 1px solid var(--gray-100);
}

.client-logo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition);
}

.client-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ===== CONTACT SECTION ===== */
#contact {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

#contact h2 {
    text-align: center;
    margin-bottom: 2rem;
}

#contact h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.contact-info {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.contact-info p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.contact-info strong {
    color: var(--primary);
    font-weight: 700;
}

.contact-info a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

.contact-info a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* ===== FOOTER PREMIUM ===== */
footer {
    background: var(--white);
    color: var(--gray-700);
    padding: 4rem 0 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

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

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

.footer-column a {
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition);
    display: inline-block;
}

.footer-column a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.copyright {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .mobile-menu {
        display: block;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        box-shadow: var(--shadow-lg);
        display: none;
        border-top: 1px solid var(--gray-200);
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        padding: 1.5rem 0;
        gap: 0;
    }
    
    nav li {
        border-bottom: 1px solid var(--gray-100);
        width: 100%;
    }
    
    nav a {
        display: block;
        padding: 1.25rem 2rem;
    }
    
    nav a::after {
        display: none;
    }
    
    .hero {
        padding: 5rem 0 4rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero p {
        font-size: 1.05rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .service-tabs {
        flex-direction: column;
    }
    
    .service-tab {
        width: 100%;
    }
    
    .service-content {
        padding: 2rem;
    }
    
    .differentials-grid {
        grid-template-columns: 1fr;
    }
    
    .careers-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-container {
        padding: 2rem;
    }
    
    .logo-img {
        height: 60px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.875rem;
    }
    
    section h2 {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}