:root {
    --primary: #0052ff;
    --dark: #0a0a0a;
    --light: #ffffff;
    --gray: #f8f9fa;
    --text-main: #1d1d1f;
    --text-sec: #494949;
    --gradient: linear-gradient(135deg, #0052ff 0%, #00a3ff 100%);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--light);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Header Minimalista */
nav {
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
}

.logo { 
    font-weight: 800; 
    font-size: 1.2rem; 
    letter-spacing: -1px; 
}

/* Hero Section */
.hero {
    padding: 8rem 10% 6rem;
    text-align: center;
    background: radial-gradient(circle at top right, #f0f7ff, transparent);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #eef4ff;
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-sec);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

/* Botão Chamativo */
.btn {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(0, 82, 255, 0.2);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 82, 255, 0.3);
}

/* Bento Grid */
.grid {
    padding: 4rem 10%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    padding: 2.5rem;
    background: var(--gray);
    border-radius: 24px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: background 0.3s;
}

.card:hover { 
    background: #fff; 
    border-color: var(--primary); 
}

.card h3 { 
    font-size: 1.5rem; 
    margin-bottom: 1rem; 
}

.card p { 
    color: var(--text-sec); 
    font-size: 1rem; 
}

/* Trust & Social Proof */
.trust {
    padding: 4rem 10%;
    text-align: center;
    background: var(--dark);
    color: white;
}

.trust h2 { 
    font-size: 2rem; 
    margin-bottom: 1rem; 
}

.trust p { 
    opacity: 0.7; 
}

footer {
    padding: 3rem 10%;
    text-align: center;
    font-size: 0.85rem;
    color: #888;
}

@media (max-width: 768px) {
    .hero { padding: 5rem 5% 3rem; }
    .grid { padding: 2rem 5%; }
}
/* Secção de Contacto BantuX */
#contacto {
    padding: 6rem 10%;
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

#contacto h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
}

#contacto p {
    color: var(--text-sec);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

input, select, textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: var(--gray);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-main);
    transition: all 0.2s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 82, 255, 0.1);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    color: var(--text-sec);
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Botão com o teu gradiente */
.btn-send {
    background: var(--gradient);
    border: none;
    cursor: pointer;
    width: fit-content;
    padding: 1.2rem 3rem;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    #contacto {
        padding: 4rem 5%;
    }
}