body {
    font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: white;
}

.container {
    max-width: var(--max-width);
    margin: auto;
    padding: 80px 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.header {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo img {
    height: 42px;
    display: block;
}

.hero {
    background: var(--energy-gradient);
    color: white;
}

/* =====================================================
   HEADER — STRUCTURE BLOQUÉE (FINAL)
===================================================== */
.header-main {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #ffffff;
    height: 72px;
    min-height: 72px;
}

.header-container {
    height: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    white-space: nowrap;
}

.header-nav a {
    flex-shrink: 0;
}

@media (min-width: 1600px) {
    .header-container {
        padding-left: 48px;
        padding-right: 48px;
    }
}