:root {
    --bg-color: #f5f5f7;
    --card-bg: #ffffff;
    --text-main: #1d1d1f;
    --text-sub: #86868b;
    --accent-blue: #0071e3;
    --accent-blue-hover: #0077ed;
    --accent-blue-light: #e8f2fc;
    --radius-lg: 22px;
    --radius-md: 14px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.5;
    padding: 10px;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAVBAR */
nav {
    background: rgba(245, 245, 247, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 48px;
}
.logo {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-main);
    letter-spacing: -0.5px;
}
.logo span {
    color: var(--accent-blue);
}

/* HERO SECTION */
header {
    padding-top: 140px;
    padding-bottom: 60px;
    text-align: center;
}
#header{
    padding-top: 48px;
}
.tagline {
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
h1 {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-main);
}
h1 span {
    color: var(--accent-blue);
}
.sub-copy {
    font-size: 20px;
    color: var(--text-sub);
    max-width: 760px;
    margin: 0 auto 40px auto;
    font-weight: 400;
}

/* SIMULADOR */
.simulator-section {
    padding: 40px 0;
}
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}
.card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
}
.grid-simulador {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.input-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-sub);
}
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
input[type="number"] {
    /* max-width: 800000px; */
    width: 100%;
    padding: 18px;
    font-size: 18px;
    border-radius: var(--radius-md);
    border: 2px solid #e5e5e7;
    background: #fafafa;
    outline: none;
    font-weight: 600;
    transition: var(--transition);
}
input[type="number"]:focus {
    border-color: var(--accent-blue);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

/* Remover setas nativas do input number para manter o design clean */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
}

/* Resultados */
.results-wrapper {
    background: var(--bg-color);
    border-radius: var(--radius-md);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.result-label {
    font-size: 15px;
    color: var(--text-sub);
}
.result-value {
    font-size: 18px;
    font-weight: 600;
}
.result-value.unitario {
    color: var(--accent-blue);
    background: var(--accent-blue-light);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 16px;
}
.total-row {
    border-top: 1px solid rgba(0,0,0,0.08);
    padding-top: 16px;
}
.total-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -1px;
}

/* Botão CTA */
.btn-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    width: 100%;
    text-align: center;
}
.btn-cta:hover {
    background: var(--accent-blue-hover);
    transform: scale(1.01);
}

/* COPY SECTION */
.copy-section {
    padding: 80px 0;
}
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}
.problem-card {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 0, 0, 0.03);
}
.problem-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 600;
}
.problem-card p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.6;
}
.highlight-box {
    background: #1d1d1f;
    color: #fff;
    padding: 40px;
    border-radius: var(--radius-lg);
    margin-top: 60px;
    text-align: center;
}
.highlight-box h2 {
    font-size: 28px;
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: -0.5px;
}
.highlight-box p {
    color: #86868b;
    max-width: 700px;
    margin: 0 auto;
}

/* SEÇÃO DE SUPORTE PREMIUM */
.support-box {
    background: #ffffff;
    border: 1px solid rgba(0, 113, 227, 0.15); /* Borda sutil com o seu tom de azul */
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-top: 32px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    text-align: left;
    box-shadow: 0 4px 20px rgba(0, 113, 227, 0.02);
}

.support-icon {
    background: var(--accent-blue-light);
    padding: 14px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.support-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.support-content p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.6;
}

/* Ajuste de responsividade para telas menores */
@media (max-width: 600px) {
    .support-box {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }
}

footer {
    text-align: center;
    padding: 40px 0;
    font-size: 13px;
    color: var(--text-sub);
    border-top: 1px solid rgba(0,0,0,0.05);
}

@media (max-width: 768px) {
    .grid-simulador { grid-template-columns: 1fr; gap: 32px; }
    h1 { font-size: 34px; }
    .card { padding: 24px; }
}