* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    color: #1e293b;
    background: #ffffff;
}

/* =====================
   LAYOUT BASE
===================== */
.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
}

/* =====================
   HEADER
===================== */
header {
    background: #0f172a;
    padding: 15px 0;
}

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

/* =====================
   MARCA TEXTO
===================== */
.brand {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-name {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #ffffff;
}

.brand-sub {
    font-size: 11px;
    letter-spacing: 6px;
    margin-top: 4px;
    margin-left: 2px;
    color: #38bdf8;
}

/* =====================
   NAV
===================== */
nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
}

nav a:hover {
    color: #38bdf8;
}

/* =====================
   HERO
===================== */
.hero {
    background: linear-gradient(135deg, #0f172a, #1e40af);
    color: #ffffff;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
    max-width: 700px;
    margin: auto;
}

/* =====================
   SEÇÕES
===================== */
.section {
    padding: 70px 0;
}

.section.light {
    background: #f1f5f9;
}

.section h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 30px;
}

/* =====================
   GRID / CARDS
===================== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.card {
    background: #ffffff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.card h3 {
    margin-bottom: 10px;
    color: #1e40af;
}

.card p {
    font-size: 15px;
    line-height: 1.6;
}

/* =====================
   CONTATO
===================== */
.contact-text {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px;
}

.contact-box {
    text-align: center;
    font-size: 16px;
}

/* =====================
   FOOTER
===================== */
footer {
    background: #0f172a;
    color: #ffffff;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
}