/* Variáveis de Cores - Lumina Dental */
:root {
    --primary: #ffffff;
    --secondary: #0099cc;
    --accent: #00d4ff;
    --text: #333333;
    --light-bg: #f0f9ff;
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background-color: var(--primary);
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: -0.02em;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 100px 0; }
.bg-light { background-color: var(--light-bg); }
.text-center { text-align: center; }
.mb-50 { margin-bottom: 50px; }

.subtitle {
    display: block;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    background-color: transparent;
    color: var(--secondary);
    padding: 18px 40px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    border: 2px solid var(--secondary);
    cursor: pointer;
}

.btn:hover {
    background-color: var(--secondary);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-full { width: 100%; background-color: var(--secondary); color: var(--primary); border: none; }
.btn-full:hover { background-color: var(--accent); }

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 0;
    background-color: var(--primary);
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

header.scrolled {
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary);
}

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

.nav-links { display: flex; }
.nav-links li { margin-left: 40px; }
.nav-links a {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 1px;
}

.nav-links a:hover { color: var(--secondary); }

.hero {
    height: 100vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text);
    margin-top: 80px;
}

.hero-content { width: 100%; }
.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--secondary);
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 45px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--primary);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid #e0e0e0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 153, 204, 0.15);
}

.service-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.service-info { padding: 30px; }
.service-info h3 { margin-bottom: 10px; font-size: 1.4rem; }
.service-info p { font-size: 0.9rem; color: var(--text); }

.contact-form input, 
.contact-form select {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: var(--primary);
    color: var(--text);
    font-family: inherit;
    outline: none;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

.contact-form input:focus { border-color: var(--secondary); background: var(--light-bg); }

.contact-box {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    margin-top: 30px;
}

.contact-box p { margin-bottom: 15px; }

footer {
    background: var(--secondary);
    color: var(--primary);
    padding: 80px 0 30px;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 40px;
    margin-bottom: 30px;
}

.footer-grid h3 { color: var(--primary); }
.footer-grid p { color: rgba(255, 255, 255, 0.9); }

.footer-links a { margin-left: 30px; font-size: 0.85rem; color: var(--primary); }

.copyright { font-size: 0.8rem; color: rgba(255, 255, 255, 0.8); }

.mobile-menu-icon { display: none; cursor: pointer; }
.mobile-menu-icon div {
    width: 25px;
    height: 2px;
    background-color: var(--secondary);
    margin: 7px;
    transition: var(--transition);
}

@media (max-width: 992px) {
    .hero-content h1 { font-size: 2.8rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        width: 70%;
        background: var(--primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.5s ease;
    }

    .nav-links li { margin: 20px 0; }
    .mobile-menu-icon { display: block; }
    .nav-active { transform: translateX(0); }
    .footer-grid { flex-direction: column; text-align: center; }
    .footer-links { margin-top: 30px; }
}