@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Mapeamento do Tema DART para CSS */
:root {
    /* Core Colors */
    --primary: #266a4a;
    --on-primary: #ffffff;
    --primary-container: #acf2c8;
    --on-primary-container: #002112;

    --secondary: #4e6355;
    --on-secondary: #ffffff;
    --secondary-container: #d0e8d7;
    --on-secondary-container: #0b1f15;

    --tertiary: #3c6472;
    --on-tertiary: #ffffff;
    --tertiary-container: #bfe9f9;
    --on-tertiary-container: #001f28;

    /* Backgrounds & Surfaces */
    --background: #f6fbf4;
    --on-background: #171d19;

    --surface: #f6fbf4;
    --on-surface: #171d19;

    /* Variações de Superfície (Cards, Navbars) */
    --surface-container-low: #f0f5ee;
    --surface-container: #eaefe9;
    --surface-container-high: #e4eae3;

    /* Textos Secundários */
    --on-surface-variant: #404943;
    --outline: #707972;
    --outline-variant: #c0c9c0;

    /* Inverse (Usado no Footer) */
    --inverse-surface: #2c322e;
    --inverse-on-surface: #edf2ec;
    --inverse-primary: #91d5ad;
}

/* --- Base --- */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--on-background);
    line-height: 1.6;
    margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--on-surface);
}

a {
    text-decoration: none;
    color: inherit;
}

/* --- Tipografia e Marca --- */
.text-primary {
    color: var(--primary);
}

.text-muted {
    color: var(--on-surface-variant);
}

.text-on-primary-container {
    color: var(--on-primary-container);
}

.brand-name {
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--primary);
}

/* --- Componentes: Navbar --- */
.navbar {
    background-color: rgba(246, 251, 244, 0.9);
    /* --background com alpha */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--outline-variant);
}

.nav-link {
    font-weight: 600;
    color: var(--on-surface-variant);
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

.lang-switch {
    background-color: var(--surface-container-high);
    color: var(--on-surface-variant);
    font-weight: bold;
    border: 1px solid var(--outline-variant);
}

/* --- Componentes: Botões --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: all 0.2s ease;
    border-radius: 999px;
    /* Pill shape */
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.btn-primary:hover {
    background-color: #1e563b;
}

/* Darken manual leve */

.btn-store {
    border-radius: 1rem;
    padding: 0.75rem 1.5rem;
    color: var(--on-primary);
    text-align: left;
}

.btn-store.apple {
    background-color: #000000;
}

/* Apple sempre preto */
.btn-store.google {
    background-color: var(--secondary);
    color: var(--on-secondary);
}

.btn-store.web {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

/* --- Componentes: Cards --- */
.feature-card {
    background-color: var(--surface-container-low);
    border: 1px solid var(--outline-variant);
    border-radius: 1.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    background-color: var(--surface-container);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.icon-box {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Variações de ícones usando as cores do tema */
.icon-box.primary {
    background-color: var(--primary-container);
    color: var(--on-primary-container);
}

.icon-box.secondary {
    background-color: var(--secondary-container);
    color: var(--on-secondary-container);
}

.icon-box.tertiary {
    background-color: var(--tertiary-container);
    color: var(--on-tertiary-container);
}

/* --- Mockup Celular --- */
.phone-frame {
    background-color: var(--background);
    border: 8px solid var(--outline);
    /* Moldura */
    border-radius: 2.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    position: relative;
}

.phone-header {
    background-color: var(--primary);
    color: var(--on-primary);
}

.phone-body {
    background-color: var(--surface);
}

/* Barras de progresso simuladas */
.bar-bg {
    background-color: var(--surface-container-high);
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill-1 {
    background-color: var(--primary);
}

.bar-fill-2 {
    background-color: var(--secondary);
}

.bar-fill-3 {
    background-color: var(--tertiary);
}

/* --- Footer --- */
.footer {
    background-color: var(--inverse-surface);
    color: var(--inverse-on-surface);
    border-top: 1px solid var(--outline-variant);
}

.footer h4 {
    color: var(--inverse-on-surface);
}

.footer-link {
    color: var(--outline-variant);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-link:hover {
    color: var(--inverse-primary);
}

.social-icon {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--inverse-on-surface);
    transition: 0.2s;
}

.social-icon:hover {
    background-color: var(--primary);
}

/* --- Componente: FAQ (Acordeão) --- */
details>summary {
    list-style: none;
}

details>summary::-webkit-details-marker {
    display: none;
}

details {
    background-color: var(--surface-container-low);
    border: 1px solid var(--outline-variant);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

details[open] {
    background-color: var(--surface);
    border-color: var(--primary);
}

.faq-icon {
    transition: transform 0.3s ease;
}

details[open] .faq-icon {
    transform: rotate(180deg);
}

/* Destaque para palavras chave na copy */
.highlight {
    color: var(--primary);
    font-weight: 800;
}