:root {
    --bg-main: #0b1120;
    --bg-card: #1e293b;
    --bg-light-blue: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-hover: #0284c7;
    --border-color: #334155;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Navegação Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.nav-buttons {
    display: flex;
    gap: 10px;
}

.btn-outline {
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    background: transparent;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: #0f172a;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-block;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Seção Hero */
.hero {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .hero {
        grid-template-columns: 1fr 1fr;
    }
}

.tag-badge {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-blue);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 15px;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.hero h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 15px;
}

.hero h1 span {
    color: var(--accent-blue);
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 25px;
}

/* Mockup dos Celulares (CSS Puro) */
.hero-mockups {
    display: flex;
    justify-content: center;
    gap: 15px;
    position: relative;
}

.phone-mockup {
    background: var(--bg-card);
    border: 4px solid var(--border-color);
    border-radius: 24px;
    padding: 15px;
    width: 170px;
    box-shadow: var(--card-shadow);
}

.phone-mockup.offset {
    margin-top: 30px;
}

.phone-screen {
    background: var(--bg-main);
    border-radius: 12px;
    padding: 10px;
    text-align: center;
}

.mini-card {
    background: var(--bg-card);
    border-radius: 6px;
    padding: 8px;
    margin-bottom: 8px;
    font-size: 0.75rem;
}

/* Seção Dores / Problemas */
.problems-section {
    background-color: var(--bg-light-blue);
    padding: 60px 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    max-width: 600px;
    margin: 0 auto 40px auto;
}

.section-header h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.section-header h2 span {
    color: var(--accent-blue);
}

.problems-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.problem-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: left;
    transition: transform 0.2s;
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.problem-icon {
    font-size: 1.8rem;
    margin-bottom: 15px;
    display: block;
}

.problem-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.problem-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* Categorias de Agendamento */
.categories-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 5%;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.2s;
}

.category-card:hover {
    border-color: var(--accent-blue);
}

footer {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}