/* =========================================================================
   ESTILO RUTA DE LA SEDA (CHINA)
   ========================================================================= */

:root {
    --china-red: #D92027;
    --china-gold: #FFD700;
    --china-black: #111111;
    --china-bg: #F9F9F9;
    --text-gray: #555;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    /* Fuente optimizada para caracteres chinos */
    background-color: var(--china-bg);
    color: var(--china-black);
    margin: 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- NAV --- */
.cn-nav {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    background: white;
}

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

.logo {
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.cn-text {
    color: var(--china-red);
}

.back-link {
    text-decoration: none;
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* --- HERO --- */
.cn-hero {
    padding: 80px 0;
    background: white;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
}

.badge-gold {
    background: var(--china-gold);
    color: var(--china-black);
    padding: 5px 15px;
    font-weight: bold;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 20px;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin: 0 0 20px 0;
}

.gold-text {
    color: var(--china-red);
}

/* En cultura china, rojo es prosperidad */

.subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    font-style: italic;
    margin-bottom: 10px;
}

.description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #333;
}

.description small {
    display: block;
    margin-top: 10px;
    color: #888;
    font-size: 0.9rem;
}

.btn-red {
    background-color: var(--china-red);
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    display: inline-block;
    border-radius: 4px;
    transition: 0.3s;
    box-shadow: 0 10px 20px rgba(217, 32, 39, 0.3);
}

.btn-red:hover {
    transform: translateY(-3px);
    background-color: #b91016;
}

/* Visual Decorativo */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.red-circle {
    position: absolute;
    width: 400px;
    height: 400px;
    background-color: var(--china-red);
    opacity: 0.05;
    border-radius: 50%;
    z-index: 0;
    top: -50px;
}

.logo-hero {
    position: relative;
    z-index: 1;
    width: 200px;
}

/* --- BRIDGE (HONESTIDAD) --- */
.cn-bridge {
    padding: 80px 0;
    background-color: var(--china-bg);
}

.bridge-card {
    background: white;
    padding: 50px;
    text-align: center;
    border-top: 5px solid var(--china-gold);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.icon-box {
    font-size: 3rem;
    color: var(--china-gold);
    margin-bottom: 20px;
}

.bridge-card h2 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.bridge-card h3 {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: normal;
    margin-bottom: 30px;
}

.trans-es {
    color: #888;
    font-size: 0.9rem;
    margin-top: 15px;
    font-style: italic;
}

/* --- SERVICIOS --- */
.cn-services {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.cn-card {
    border: 1px solid #eee;
    padding: 30px;
    text-align: center;
    transition: 0.3s;
}

.cn-card:hover {
    border-color: var(--china-red);
    transform: translateY(-5px);
}

.cn-card i {
    font-size: 2.5rem;
    color: var(--china-red);
    margin-bottom: 20px;
}

.cn-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.cn-card small {
    display: block;
    margin-top: 10px;
    color: #999;
}

/* --- FOOTER --- */
.cn-footer {
    background: var(--china-black);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.btn-wechat,
.btn-whatsapp {
    padding: 10px 25px;
    border-radius: 50px;
    text-decoration: none;
    color: white;
    font-weight: bold;
}

.btn-wechat {
    background: #07C160;
}

.btn-whatsapp {
    background: #25D366;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    h1 {
        font-size: 2.5rem;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
}