:root {
    --primary: #0E7B86;
    --primary-dark: #084C54;
    --accent: #C9A227;
    --light: #F5FAFB;
    --white: #FFFFFF;
    --text: #1a202c;
    --muted: #5b6b7a;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(14, 123, 134, .10);
}

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

html {
    scroll-behavior: smooth
}

body {
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
}

h1,
h2,
h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary);
    line-height: 1.2
}

h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700
}

h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 1rem
}

a {
    color: var(--primary);
    text-decoration: none
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto
}

header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid #e2e8f0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 0
}

.logo img {
    height: 48px;
    width: auto;
    display: block
}

.menu {
    display: flex;
    gap: 1.2rem;
    list-style: none
}

.menu a {
    padding: .4rem .2rem;
    font-weight: 500;
    color: var(--muted)
}

.menu a:hover,
.menu a.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary)
}

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 6rem 0 4rem;
}

.hero p {
    max-width: 620px;
    margin: 1rem 0 2rem;
    color: #e0f7fa
}

.btn {
    display: inline-block;
    padding: .85rem 1.4rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: .2s
}

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

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

.btn-outline {
    border: 2px solid rgba(255, 255, 255, .4);
    color: white;
    margin-left: .8rem
}

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

section {
    padding: 4.5rem 0
}

section.alt {
    background: var(--light)
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem
}

.card {
    background: white;
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--primary);
}

footer {
    background: var(--primary-dark);
    color: #cbd5e1;
    padding: 2.5rem 0;
    margin-top: 3rem
}

footer a {
    color: white
}

.whatsapp {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 99;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    display: grid;
    place-items: center;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
}

.whatsapp:hover {
    transform: scale(1.08)
}

.whatsapp svg {
    fill: white;
    width: 28px;
    height: 28px
}

@media(max-width:900px) {
    .grid-3 {
        grid-template-columns: 1fr 1fr
    }

    .menu {
        gap: .8rem;
        font-size: .95rem
    }
}

@media(max-width:640px) {

    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr
    }

    .logo img {
        height: 42px
    }

    .hero {
        padding: 4rem 0 3rem
    }

    .btn-outline {
        margin-left: 0;
        margin-top: .6rem
    }
}