/* ============================================================
   LYON ASESOR — SHARED CSS (nav, botones, footer, base)
   Extraído del sistema de diseño de index.html — reutilizar en
   todas las páginas nuevas del sistema de membresías/afiliados.
   ============================================================ */
        :root {
            --naranja: #e86b18;
            --naranja-luz: #f28c4e;
            --naranja-oscuro: #c95a10;
            --navy: #1A2330;
            --navy-light: #243042;
            --navy-dark: #0f1720;
            --crema: #faf8f5;
            --blanco-calido: #fefdfb;
            --text-dark: #2C3E50;
            --text-muted: #5A6C7D;
            --text-light: #8899A6;
            --shadow-sm: 0 2px 8px rgba(26, 35, 48, 0.08);
            --shadow-md: 0 4px 20px rgba(26, 35, 48, 0.12);
            --shadow-lg: 0 8px 40px rgba(26, 35, 48, 0.16);
            --shadow-orange: 0 4px 20px rgba(232, 107, 24, 0.3);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-fast: 0.2s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }
        body {
            font-family: 'Inter', sans-serif;
            color: var(--text-dark);
            background: var(--blanco-calido);
            line-height: 1.7;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 50%, rgba(232, 107, 24, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(26, 35, 48, 0.03) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(232, 107, 24, 0.02) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

        /* ===== NAV ===== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 16px 0;
            transition: var(--transition);
            background: transparent;
        }
        .nav.scrolled {
            background: rgba(26, 35, 48, 0.97);
            backdrop-filter: blur(20px);
            padding: 10px 0;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
        }
        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .nav-logo-icon img {
            width: 32px;
            height: 32px;
            object-fit: contain;
            border-radius: 50%;
            alt: "Lyon Asesor - Psicoterapia y Desarrollo Personal";
        }
        .nav-logo-text .main {
            font-family: 'Playfair Display', Georgia, serif;
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            color: #fff;
            line-height: 1.2;
        }
        .nav-logo-text .main span {
            color: var(--naranja);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition-fast);
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--naranja);
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--naranja), var(--naranja-luz)) !important;
            color: #fff !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600 !important;
            box-shadow: var(--shadow-orange);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(232, 107, 24, 0.45);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
        }
        .nav-toggle span {
            width: 22px;
            height: 2.5px;
            background: #fff;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--naranja), var(--naranja-luz));
            color: #fff;
            box-shadow: var(--shadow-orange);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(232, 107, 24, 0.5);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.25);
        }
        .btn-outline:hover {
            border-color: var(--naranja);
            color: var(--naranja);
            transform: translateY(-3px);
        }
        .hero-scroll {
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== SECCIONES ===== */
        .section {
            position: relative;
            z-index: 1;
            padding: 100px 24px;
        }
        .section-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer {
            background: var(--navy-dark);
            padding: 60px 24px 30px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand h3 {
            font-family: 'Playfair Display', Georgia, serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .footer-brand h3 span {
            color: var(--naranja);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-youtube {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #FF0000;
            color: #fff;
            padding: 10px 20px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
            margin-top: 8px;
        }
        .footer-youtube:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 0, 0, 0.5);
        }
        .footer-youtube svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
            flex-shrink: 0;
        }
        .footer-youtube-text {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            display: block;
            margin-top: 4px;
        }
        .footer-social {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--naranja);
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
        }
        .footer-legal {
            font-size: 0.78rem;
            opacity: 0.7;
        }