/* ========================================
   INTELILAV - WEBSITE MODERNO E PROFISSIONAL
   ======================================== */

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

:root {
    --primary-blue: #0066cc;
    --dark-blue: #003d7a;
    --light-blue: #e6f0ff;
    --accent-teal: #00a8a8;
    --dark-gray: #1a1a1a;
    --medium-gray: #4a4a4a;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --success-green: #2ecc71;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--medium-gray);
    background-color: var(--white);
}

/* ========== HEADER E NAVEGAÇÃO ========== */
header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-teal);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-teal);
    transition: width 0.3s ease;
}

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

.cta-button {
    background: var(--accent-teal);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-teal);
}

.cta-button:hover {
    background: transparent;
    color: var(--accent-teal);
}

/* ========== HERO SECTION ========== */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::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 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)" /></svg>');
    opacity: 0.5;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.btn-primary {
    background: var(--accent-teal);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-teal);
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 168, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--white);
    cursor: pointer;
    font-size: 1rem;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* ========== SEÇÃO SOBRE ========== */
.about {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: var(--accent-teal);
    margin-bottom: 3rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.about-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--medium-gray);
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.highlight-box {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-teal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.highlight-box h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.highlight-box p {
    font-size: 0.95rem;
    color: var(--medium-gray);
}

/* ========== SEÇÃO PRODUTOS ========== */
.products {
    padding: 5rem 2rem;
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-blue);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--primary-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.product-content {
    padding: 1.5rem;
}

.product-content h3 {
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.product-content p {
    color: var(--medium-gray);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.product-specs {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.product-specs strong {
    color: var(--primary-blue);
}

.product-link {
    color: var(--accent-teal);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* ========== SEÇÃO DIFERENCIAIS ========== */
.differentials {
    padding: 5rem 2rem;
    background: var(--light-gray);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.differential-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.differential-item:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.differential-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.differential-item h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.differential-item p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== SEÇÃO CONTATO ========== */
.contact {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: none;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 168, 168, 0.3);
}

.form-submit {
    background: var(--accent-teal);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    width: 100%;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 168, 0.3);
}

/* ========== FOOTER ========== */
footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--accent-teal);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    display: block;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 768px) {
    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

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

    .section-title {
        font-size: 2rem;
    }

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

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

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

@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }
}

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

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

/* ========== UTILITÁRIOS ========== */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

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

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