:root {
    --primary: #ff6600;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background: #0a0a0a;
    color: #fff;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { font-size: 1.9rem; font-weight: 700; color: var(--primary); letter-spacing: 3px; }

.nav-links { display: flex; gap: 20px; }
.nav-links a { color: #fff; text-decoration: none; font-weight: 500; }

.hamburger { display: none; font-size: 28px; cursor: pointer; }

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: #0a0a0a;
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    border-top: 1px solid #222;
    z-index: 999;
}

.mobile-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 1.25rem;
    padding: 12px 0;
}

/* Hero */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.8s;
}

.slide.active { opacity: 1; }

.hero-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    width: 100%;
    padding: 0 20px;
}

.hero-overlay h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.8rem, 9vw, 5.5rem);
    color: var(--primary);
    letter-spacing: 5px;
}

.tagline { font-size: clamp(1.2rem, 4.5vw, 1.8rem); margin: 20px 0 35px; }

.btn-primary {
    padding: 14px 35px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
}

/* Otras secciones */
.quick-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    padding: 70px 20px;
    background: #111;
}

.quick-card {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 16px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.section {
    padding: 90px 20px;
    text-align: center;
}

h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.2rem, 7vw, 3.2rem);
    color: var(--primary);
    margin-bottom: 40px;
}

/* Chat Button */
.chat-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 65px;
    height: 65px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 8px 25px rgba(255,102,0,0.5);
    z-index: 2000;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: block; }
}