/* ===== VARIABLES ===== */
:root {
    --color-primary: #134991;
    --color-primary-dark: #0e3570;
    --color-primary-light: #1b5cb5;
    --color-secondary: #134991;
    --color-accent: #1b7fc4;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ===== UTILITIES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

.btn-full {
    width: 100%;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-img {
    height: 45px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

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

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

.nav-link--cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.625rem 1.25rem;
    border-radius: 0.375rem;
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 140%;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
    opacity: 0.08;
    border-radius: 50%;
    transform: rotate(-15deg);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== SETORES ===== */
.setores {
    padding: 6rem 0;
    background-color: var(--color-gray-50);
}

.setores-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.setor-card {
    background-color: var(--color-white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.setor-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.setor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.setor-card:hover .setor-image img {
    transform: scale(1.05);
}

.setor-card h3 {
    font-size: 1.25rem;
    color: var(--color-secondary);
    padding: 1.5rem 1.5rem 0.75rem;
}

.setor-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    padding: 0 1.5rem 1.5rem;
}

/* ===== SOBRE ===== */
.sobre {
    padding: 6rem 0;
    background-color: var(--color-white);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sobre-text p {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.sobre-lista {
    margin-top: 1.5rem;
}

.sobre-lista li {
    padding: 0.5rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--color-text);
}

.sobre-lista li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.sobre-image {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.sobre-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ===== SERVIÇOS ===== */
.servicos {
    padding: 6rem 0;
    background-color: var(--color-gray-50);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.servico-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.servico-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 1rem;
    color: var(--color-white);
}

.servico-card h3 {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.servico-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

/* ===== TREINAMENTOS ===== */
.treinamentos {
    padding: 6rem 0;
    background-color: var(--color-white);
}

.treinamentos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.treinamento-item {
    background-color: var(--color-gray-50);
    padding: 2rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.treinamento-item:hover {
    background-color: var(--color-gray-100);
    transform: translateX(8px);
}

.treinamento-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    margin-bottom: 1rem;
}

.treinamento-item h3 {
    font-size: 1.125rem;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.treinamento-item p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.treinamentos-cta {
    text-align: center;
    margin-top: 2rem;
}

/* ===== CLIENTES ===== */
.clientes {
    padding: 6rem 0;
    background-color: var(--color-gray-50);
}

.clientes-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    align-items: center;
}

.cliente-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-color: var(--color-white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    filter: grayscale(100%);
    opacity: 0.7;
}

.cliente-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.cliente-item img {
    max-height: 60px;
    width: auto;
    object-fit: contain;
}

.cliente-item--dark {
    background-color: #1e293b;
}

.logo-prohidro {
    max-height: 120px !important;
}

/* ===== CONTATO ===== */
.contato {
    padding: 6rem 0;
    background-color: var(--color-gray-50);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contato-info p {
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.contato-dados {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contato-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text);
}

.contato-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.contato-form {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--color-gray-200);
    border-radius: 0.5rem;
    transition: var(--transition);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(19, 73, 145, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contato-form .btn {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-200);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    max-width: 300px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

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

.footer-links a {
    color: var(--color-text-light);
    transition: var(--transition);
}

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

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

.social-icons a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-800);
    border-radius: 0.5rem;
    color: var(--color-text-light);
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .setores-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .setores-grid .setor-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

    .servicos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

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

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .sobre-content {
        grid-template-columns: 1fr;
    }

    .sobre-image {
        order: -1;
    }

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

    .setores-grid .setor-card:last-child {
        max-width: 100%;
    }

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

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

    .clientes-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contato-content {
        grid-template-columns: 1fr;
    }

    .contato-form {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}