:root {
    --bg: #ffffff;
    --text: #111;
    --primary: #0b3d91;
    --card: #f4f7fb;
    --glass: rgba(255, 255, 255, 0.7);

    /* Landing Diagnóstico */
    --bg-dark: #0b1220;
    --bg-card-dark: #111a2e;
    --text-light: #e5e7eb;
    --text-muted: #9ca3af;
}

/* ================= DARK MODE ================= */

body.dark {
    --bg: #0f172a;
    --text: #f1f5f9;
    --card: #1e293b;
    --glass: rgba(15, 23, 42, 0.7);
}

/* ================= RESET ================= */

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: all 0.3s ease;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* ================= HEADER ================= */

.header {
    position: fixed;
    width: 100%;
    backdrop-filter: blur(12px);
    background: var(--glass);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 5px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

/* ================= LOGO ================= */

.logo img {
    height: 80px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

/* ================= NAV LINKS ================= */

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    margin-left: 20px;
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: 0.3s;
}

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

.nav-links button {
    margin-left: 20px;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 18px;
}

/* ================= HAMBURGER ================= */

.hamburger {
    display: none;
    font-size: 28px;
    cursor: pointer;
}

/* ================= HERO ================= */

.hero {
    padding-top: 140px;
    padding-bottom: 100px;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-text h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    transition: 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--primary);
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    color: var(--primary);
    transition: 0.3s;
}

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

.hero-image img {
    width: 280px;
    border-radius: 12px;
}

/* ================= SECTIONS ================= */

.section {
    padding: 80px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.card {
    background: var(--card);
    padding: 25px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

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

.footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    font-size: 14px;
    opacity: 0.7;
}

/* ================= FORM CONTATO ================= */

.form-contato {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
    max-width: 500px;
}

.form-contato input,
.form-contato textarea {
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-family: 'Inter', sans-serif;
}

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

/* ================= FADE IN ================= */

.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

/* ================= MOBILE ================= */

@media (max-width: 768px) {

    .nav-links {
        position: absolute;
        top: 80px;
        right: 20px;
        flex-direction: column;
        background: var(--bg);
        padding: 20px;
        border-radius: 12px;
        display: none;
        box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        margin: 10px 0;
    }

    .hamburger {
        display: block;
    }

    .hero {
        padding-top: 160px;
    }

    .hero-text h1 {
        font-size: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons a {
        width: 100%;
        text-align: center;
    }
}

/* ===================================================== */
/* ============ LANDING DIAGNÓSTICO PREMIUM ============ */
/* ===================================================== */

.diagnostico-page {
    background: var(--bg-dark);
    color: var(--text-light);
}

.diagnostico-page .header {
    background: transparent;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.diag-hero {
    padding-top: 160px;
    padding-bottom: 120px;
    text-align: center;
}

.diag-hero h1 {
    font-size: 42px;
    max-width: 900px;
    margin: auto;
}

.diag-hero p {
    margin-top: 20px;
    color: var(--text-muted);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.diag-section {
    padding: 80px 0;
}

.diag-section ul {
    margin-top: 30px;
    line-height: 2;
}

.highlight {
    background: var(--bg-card-dark);
}

.diag-form-section {
    padding: 100px 0;
    background: var(--bg-card-dark);
}

.diag-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    margin: auto;
}

.diag-form input,
.diag-form textarea {
    padding: 15px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
    background: var(--bg-dark);
    color: var(--text-light);
}

.diag-form textarea {
    min-height: 120px;
}
/* ========================================= */
/* ===== DIAGNÓSTICO – MOBILE FIX ========= */
/* ========================================= */

@media (max-width: 768px) {

    .diag-hero {
        padding-top: 140px;
        padding-bottom: 80px;
        text-align: left;
    }

    .diag-hero h1 {
        font-size: 26px;
        line-height: 1.3;
    }

    .diag-hero p {
        font-size: 16px;
        margin-top: 15px;
    }

    .diag-section {
        padding: 60px 0;
    }

    .diag-section h2 {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .diag-section ul {
        font-size: 16px;
        line-height: 1.8;
        padding-left: 15px;
    }

    .diag-form-section {
        padding: 70px 0;
    }

    .diag-form input,
    .diag-form textarea {
        font-size: 16px;
    }

    .diag-form button {
        width: 100%;
        text-align: center;
    }

}