/* ESTILOS GLOBAIS - AUTODIDATAS DARK & GOLD */
:root {
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --border-color: #334155;
    --primary-gold: #f59e0b;
    --primary-hover: #d97706;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --wa-green: #22c55e;
    --wa-hover: #16a34a;
    --blue-accent: #2563eb;
}

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

body, html {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
}

/* CABEÇALHO */
.app-header {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-logo {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.2rem;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.app-logo span {
    color: var(--primary-gold);
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
    font-weight: 800;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    background: #1e293b;
    color: #f8fafc;
    border: 1px solid #334155;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: #0f172a;
    min-width: 210px;
    border: 1px solid #334155;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border-radius: 8px;
    z-index: 2000;
    overflow: hidden;
}

.dropdown-content a {
    color: #cbd5e1;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.88rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dropdown-content a:hover {
    background-color: #1e293b;
    color: var(--primary-gold);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* SEÇÃO HERO DA LANDING PAGE */
.hero-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.hero-card h1 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 12px;
}

.hero-card h1 span {
    color: var(--primary-gold);
}

.hero-card p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 750px;
    margin: 0 auto 24px auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* BOTÕES REUTILIZÁVEIS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform 0.2s, background 0.3s, box-shadow 0.3s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--primary-gold);
    color: #0f172a;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

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

.btn-whatsapp {
    background-color: var(--wa-green);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-whatsapp:hover {
    background-color: var(--wa-hover);
}

/* CARDS DE INFORMAÇÃO E ESCLARECIMENTO */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 24px;
}

.info-card h3 {
    color: var(--primary-gold);
    font-size: 1.2rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* BANNER EXPLICATIVO DOS ANÚNCIOS / PROMOÇÕES */
.promo-notice-box {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.95));
    border: 2px solid var(--primary-gold);
    border-radius: 16px;
    padding: 26px;
    margin-bottom: 30px;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.15);
}

.promo-notice-box h2 {
    color: #ffffff;
    font-size: 1.4rem;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.promo-notice-box h2 span {
    color: var(--primary-gold);
}

.promo-notice-box p {
    color: #cbd5e1;
    font-size: 0.98rem;
    margin-bottom: 14px;
}

.promo-highlight-list {
    list-style: none;
    margin-top: 15px;
}

.promo-highlight-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    color: var(--text-light);
    font-size: 0.94rem;
}

.promo-highlight-list li::before {
    content: "✅";
    position: absolute;
    left: 0;
    top: 2px;
}

/* RODAPÉ */
.app-footer {
    background-color: #0b1120;
    border-top: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    margin-top: auto;
}

.app-footer p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.signature {
    color: var(--primary-gold) !important;
    font-weight: 700;
    margin-top: 4px;
}