:root {
    --primary: #23289a;
    --secondary: #007bff;
    --dark: #15213d;
    --text: #344054;
    --muted: #667085;
    --light: #f6f8fc;
    --white: #ffffff;
    --border: #e5e7eb;
    --radius: 18px;
    --shadow: 0 18px 45px rgba(17, 24, 39, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    color: var(--text);
    background: #fff;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.topbar-inner {
    display: grid;
    grid-template-columns: 1.5fr auto 1.5fr;
    gap: 16px;
    padding: 10px 0;
    align-items: center;
}
.main-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229,231,235,.8);
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
    gap: 18px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { width: 64px; height: 64px; object-fit: contain; }
.brand strong { display: block; color: var(--primary); font-size: 18px; }
.brand small { color: var(--muted); }
.main-nav { display: flex; align-items: center; gap: 22px; font-weight: 600; }
.main-nav a { position: relative; }
.main-nav a:not(.btn)::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: .25s;
}
.main-nav a:not(.btn):hover::after { width: 100%; }
.menu-toggle { display: none; border: 0; background: transparent; font-size: 30px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 22px;
    border-radius: 999px;
    font-weight: 700;
    transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.hero {
    position: relative;
    min-height: 76vh;
    display: grid;
    align-items: center;
    background-size: cover;
    background-position: center;
}
.hero .overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(17,24,39,.32), rgba(17,24,39,.55));
}
.hero-content {
    position: relative;
    z-index: 1;
    color: #fff;
    padding: 88px 0;
    max-width: 760px;
}
.eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}
.eyebrow.blue { color: var(--secondary); }
.hero h1, .page-hero h1 { margin: 0 0 18px; font-size: clamp(36px, 5vw, 62px); line-height: 1.08; }
.hero p { font-size: 18px; line-height: 1.7; margin: 0; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.section { padding: 90px 0; }
.section-light { background: var(--light); }
.center-heading { text-align: center; max-width: 820px; margin-bottom: 38px; }
.center-heading h2, .split-grid h2 { color: var(--primary); font-size: clamp(30px, 4vw, 46px); margin: 0 0 12px; }
.center-heading p, .split-grid p { color: var(--muted); line-height: 1.8; }
.cards-2, .cards-3, .cards-4 {
    display: grid; gap: 24px;
}
.cards-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.cards-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
}
.feature-card .icon {
    width: 64px; height: 64px; border-radius: 50%;
    display: grid; place-items: center; font-size: 30px;
    background: linear-gradient(135deg, rgba(35,40,154,.1), rgba(0,123,255,.15));
    margin-bottom: 18px;
}
.card h3, .card h2 { color: var(--primary); margin-top: 0; }
.card p, .card li { color: var(--muted); line-height: 1.7; }
.split-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 36px;
    align-items: center;
}
.image-card img { border-radius: 24px; box-shadow: var(--shadow); }
.check-list { padding-left: 18px; line-height: 1.9; }
.page-hero {
    background: linear-gradient(135deg, var(--primary), #1b5fc8);
    color: #fff;
}
.page-hero.small .container { padding: 70px 0; }
.content-narrow { max-width: 840px; }
.form-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 30px;
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.form-grid.single { grid-template-columns: 1fr; }
.form-grid .full { grid-column: 1 / -1; }
label span { display: block; margin-bottom: 8px; font-weight: 700; color: var(--primary); }
input, select, textarea {
    width: 100%;
    border: 1px solid #d0d5dd;
    border-radius: 14px;
    padding: 14px 16px;
    font: inherit;
}
.site-footer { background: #111827; color: rgba(255,255,255,.86); }
.footer-grid {
    padding: 64px 0;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 30px;
}
.site-footer h4 { color: #fff; margin-top: 0; }
.site-footer ul { margin: 0; padding-left: 18px; }
.footer-copy { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; }
.whatsapp-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 40;
    background: #25D366;
    color: #fff;
    padding: 12px 18px;
    border-radius: 999px;
    box-shadow: var(--shadow);
    font-weight: 800;
}
.admin-shell {
    min-height: 70vh;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at top right, rgba(0,123,255,.12), transparent 32%), var(--light);
}
.admin-center { display: flex; justify-content: center; padding: 70px 0; }
.admin-card { max-width: 520px; width: 100%; }
.full-btn { width: 100%; }
@media (max-width: 992px) {
    .topbar-inner,
    .cards-4,
    .cards-3,
    .cards-2,
    .split-grid,
    .footer-grid,
    .form-grid {
        grid-template-columns: 1fr;
    }
    .main-nav {
        position: fixed;
        inset: 82px 16px auto 16px;
        background: #fff;
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        border-radius: 18px;
        padding: 18px;
        display: none;
        flex-direction: column;
        align-items: flex-start;
    }
    .main-nav.open { display: flex; }
    .menu-toggle { display: block; }
}