:root {
    --navy: #0b1437;
    --navy-mid: #0f1e4a;
    --sky: #0ea5e9;
    --sky-dark: #0284c7;
    --sky-soft: #e0f2fe;
    --green: #22c55e;
    --amber: #f59e0b;
    --white: #ffffff;
    --off: #f8fafc;
    --off2: #eef6fb;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 14px 40px rgba(11, 20, 55, 0.10);
    --shadow-soft: 0 8px 26px rgba(14, 165, 233, 0.10);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.25s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'DM Sans', Arial, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: 'Poppins', Arial, sans-serif; color: var(--navy); line-height: 1.18; letter-spacing: 0; }
p { color: var(--muted); }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 22px; }
.section { padding: 78px 0; }
.section.alt { background: var(--off); }
.section.navy { background: var(--navy); color: var(--white); }
.section.navy h2, .section.navy h3, .section.navy p { color: var(--white); }
.section-head { max-width: 720px; margin-bottom: 42px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--sky-soft);
    color: var(--sky-dark);
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
}
.section-title { font-size: clamp(1.75rem, 3vw, 2.45rem); margin-bottom: 14px; }
.section-sub { font-size: 1.04rem; }

#site-header { position: fixed; inset: 0 0 auto 0; z-index: 1000; transition: var(--transition); }
.top-bar { background: var(--navy); color: rgba(255,255,255,.82); font-size: .82rem; padding: 7px 0; }
.top-bar-content { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.top-bar i { color: var(--sky); margin-right: 5px; }
.top-bar a:hover { color: #7dd3fc; }
.nav-wrapper { background: rgba(255,255,255,.97); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); }
#site-header.scrolled .nav-wrapper { box-shadow: 0 8px 28px rgba(11,20,55,.10); }
.navbar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: 'Poppins', sans-serif; font-weight: 800; color: var(--navy); }
.logo img { width: 178px; height: auto; }
.logo span { color: var(--sky); font-size: 1.02rem; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 11px;
    border-radius: 8px;
    color: var(--navy);
    font-size: .86rem;
    font-weight: 700;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: var(--sky-dark); background: var(--sky-soft); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 10px; background: var(--sky); color: var(--white); font-size: 1.15rem; }

.hero {
    padding: 170px 0 82px;
    background: linear-gradient(135deg, #f7fbff 0%, #eef8ff 48%, #ffffff 100%);
    position: relative;
}
.hero-grid { display: grid; grid-template-columns: minmax(0,1.06fr) minmax(320px,.94fr); align-items: center; gap: 52px; }
.hero h1 { font-size: clamp(2.25rem, 5vw, 4.6rem); font-weight: 800; margin-bottom: 20px; }
.hero .lead { font-size: clamp(1.05rem, 1.9vw, 1.28rem); max-width: 720px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); background: var(--white); border-radius: 999px; padding: 8px 13px; font-weight: 700; color: var(--navy); box-shadow: var(--shadow-soft); }
.pill i { color: var(--sky); }
.hero-card { position: relative; background: var(--white); border: 1px solid var(--border); border-radius: 24px; padding: 26px; box-shadow: var(--shadow); }
.hero-card img { margin: 0 auto; max-height: 430px; object-fit: contain; }
.hero-stat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.stat { background: var(--off); border-radius: var(--radius); padding: 14px; text-align: center; }
.stat strong { display: block; color: var(--navy); font-family: 'Poppins', sans-serif; font-size: 1.35rem; }
.stat span { color: var(--muted); font-size: .82rem; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border-radius: 999px;
    padding: 13px 24px;
    min-height: 46px;
    border: 0;
    font-weight: 800;
    transition: var(--transition);
    cursor: pointer;
}
.btn-primary { background: var(--sky); color: var(--white); box-shadow: 0 10px 22px rgba(14,165,233,.25); }
.btn-primary:hover { background: var(--sky-dark); transform: translateY(-2px); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-mid); transform: translateY(-2px); }
.btn-outline { color: var(--navy); border: 1px solid var(--border); background: var(--white); }
.btn-outline:hover { border-color: var(--sky); color: var(--sky-dark); transform: translateY(-2px); }
.btn-whatsapp { background: #25d366; color: var(--white); }
.btn-whatsapp:hover { background: #128c7e; transform: translateY(-2px); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card, .product-card, .icon-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}
.card:hover, .product-card:hover, .icon-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card { overflow: hidden; display: flex; flex-direction: column; }
.product-media { min-height: 210px; display: grid; place-items: center; padding: 24px; background: linear-gradient(180deg, #f8fbff, #eef6fb); }
.product-media img { max-height: 190px; object-fit: contain; }
.product-body { padding: 24px; flex: 1; display: flex; flex-direction: column; gap: 14px; }
.product-body h3 { font-size: 1.16rem; display: flex; align-items: center; gap: 10px; }
.product-body h3 i, .icon { color: var(--sky); }
.product-body .btn { margin-top: auto; width: fit-content; }
.icon-card { padding: 26px; }
.icon-card .icon, .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: var(--sky-soft);
    color: var(--sky-dark);
    font-size: 1.25rem;
    margin-bottom: 18px;
}
.icon-card h3 { font-size: 1.12rem; margin-bottom: 8px; }

.split { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); gap: 48px; align-items: center; }
.image-panel { border-radius: 24px; overflow: hidden; background: var(--white); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 20px; }
.feature-image-panel { margin-bottom: 24px; }
.check-list { display: grid; gap: 12px; margin-top: 22px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--text); font-weight: 600; }
.check-list i { color: var(--green); margin-top: 5px; }
.logo-strip { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; align-items: center; }
.logo-strip div { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; display: grid; place-items: center; min-height: 86px; }
.logo-strip img { max-height: 54px; object-fit: contain; }
.cta-band { border-radius: 28px; padding: 42px; background: linear-gradient(135deg, var(--navy), #12336a); color: var(--white); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.cta-band h2, .cta-band p { color: var(--white); }
.cta-band p { opacity: .86; max-width: 680px; }

.spec-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-soft); }
.spec-table th, .spec-table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
.spec-table th { width: 32%; color: var(--navy); background: var(--off); }
.form-card { padding: 28px; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.field.full { grid-column: 1 / -1; }
label { display: block; font-weight: 800; color: var(--navy); margin-bottom: 7px; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 13px 14px;
    font: inherit;
    color: var(--text);
    background: var(--white);
}
textarea { min-height: 140px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(14,165,233,.16); border-color: var(--sky); }
.alert { border-radius: var(--radius); padding: 14px 16px; margin-bottom: 18px; font-weight: 700; }
.alert.success { background: #ecfdf5; color: #166534; border: 1px solid #bbf7d0; }
.alert.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.hp-field { position: absolute; left: -9999px; visibility: hidden; }
.math-captcha {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--off);
}
.math-captcha span {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--navy);
    font-weight: 800;
}
.math-captcha i { color: var(--sky); }

.site-footer { background: #07102d; color: rgba(255,255,255,.78); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .85fr 1fr; gap: 42px; }
.footer-logo img { width: 190px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.site-footer h3 { color: var(--white); margin-bottom: 16px; font-size: 1.05rem; }
.site-footer p { color: rgba(255,255,255,.72); margin-bottom: 12px; }
.footer-links, .contact-list { display: grid; gap: 11px; }
.footer-links a, .contact-list li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.78); }
.footer-links i, .contact-list i { color: #7dd3fc; width: 18px; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 48px; padding: 22px; text-align: center; font-size: .9rem; }
.floating-whatsapp {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #25d366;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 14px 30px rgba(37,211,102,.35);
    z-index: 999;
}
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) {
    .top-bar { display: none; }
    .hero { padding-top: 118px; }
    .nav-links {
        position: fixed;
        top: 72px;
        right: -100%;
        width: min(88vw, 390px);
        height: calc(100vh - 72px);
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 22px;
        gap: 8px;
        box-shadow: -20px 0 50px rgba(11,20,55,.18);
        transition: right .28s ease;
        overflow-y: auto;
    }
    .nav-links.open { right: 0; }
    .nav-links a { min-height: 52px; font-size: 1rem; padding: 14px 16px; background: var(--off); }
    .menu-toggle { display: inline-grid; place-items: center; }
    .hero-grid, .split { grid-template-columns: 1fr; }
    .hero-card { max-width: 560px; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 760px) {
    .container { padding: 0 18px; }
    .section { padding: 58px 0; }
    .hero { padding-bottom: 60px; }
    .hero-grid { gap: 30px; }
    .hero-actions .btn { width: 100%; }
    .hero-stat, .grid-2, .grid-3, .grid-4, .footer-grid, .form-grid, .logo-strip { grid-template-columns: 1fr; }
    .math-captcha { grid-template-columns: 1fr; }
    .cta-band { border-radius: 20px; padding: 28px; align-items: flex-start; flex-direction: column; }
    .logo img { width: 150px; }
    .logo span { display: none; }
    .spec-table th, .spec-table td { display: block; width: 100%; }
    .floating-whatsapp { width: 54px; height: 54px; right: 16px; bottom: 16px; }
}