:root {
    --primary-color: #2D5A27;
    --secondary-color: #8BC34A;
    --accent-color: #FBC02D;
    --text-dark: #1A1A1A;
    --text-light: #F4F4F4;
    --bg-light: #FFFFFF;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --radius: 16px;
    --font-base: 1rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #f9fbf9;
    font-size: var(--font-base);
    transition: font-size 0.2s ease;
}

h1, h2 {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header & Nav */
header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo span { color: var(--secondary-color); }

.accessibility-controls button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    margin-left: 5px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

/* Hero Section */
.hero {
    padding: clamp(4rem, 10vw, 8rem) 0;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1523348837708-15d4a09cfac2?auto=format&fit=crop&q=80&w=1920') center/cover;
    color: white;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.btn-primary {
    background: var(--secondary-color);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: bold;
    transition: 0.3s;
    display: inline-block;
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

/* Grid Features */
.grid-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem 0;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-bottom: 5px solid var(--secondary-color);
}

/* Accordion */
.accordion-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header {
    padding: 1.5rem;
    background: #f1f8e9;
    cursor: pointer;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
}

.accordion-content {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
}

.accordion-content.active {
    padding: 1.5rem;
    max-height: 500px;
}

/* BLINDAGEM MODO CONTRASTE */
body.high-contrast, body.high-contrast *:not(i):not(.icon) {
    background-color: #000 !important;
    color: #fff !important;
    border: 1px solid #ff0 !important;
    background-image: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
}
body.high-contrast a, body.high-contrast button {
    color: #ff0 !important;
    text-decoration: underline !important;
    font-weight: bold !important;
}

/* Responsividade */
@media (max-width: 768px) {
    .hero { padding: 3rem 0; }
}