:root {
            /* Paleta del cliente: negro + dorado + marfil */
            --black: #0B0B0C;
            --black-soft: #121214;
            --black-card: #17171A;
            --gold-1: #F6E27A;   /* brillo */
            --gold-2: #D4AF37;   /* oro base */
            --gold-3: #8A6D1F;   /* sombra */
            --ivory: #F2ECDD;    /* tercer color */
            --ivory-dim: #B9B2A0;
            --line: rgba(212, 175, 55, .22);
            --wa: #25D366;
            --wa-dark: #128C4A;

            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 9999px;

            --shadow-gold: 0 10px 40px rgba(212, 175, 55, .12);
            --shadow-deep: 0 20px 60px rgba(0, 0, 0, .55);

            --ease-out: cubic-bezier(.16, 1, .3, 1);
        }

        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 84px; }
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--black);
            color: var(--ivory);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, .ff-display {
            font-family: 'Archivo', 'Inter', sans-serif;
            letter-spacing: .01em;
            color: var(--ivory);
        }
        img, svg { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; }
        ul { list-style: none; }

        .container { max-width: 1160px; margin: 0 auto; padding: 0 1.5rem; }
        .section { padding: 5.5rem 0; }
        .text-gold {
            background: linear-gradient(105deg, var(--gold-3) 0%, var(--gold-2) 35%, var(--gold-1) 55%, var(--gold-2) 75%, var(--gold-3) 100%);
            -webkit-background-clip: text; background-clip: text;
            color: transparent;
        }
        .eyebrow {
            display: inline-flex; align-items: center; gap: .6rem;
            font-size: .78rem; font-weight: 700; letter-spacing: .22em;
            text-transform: uppercase; color: var(--gold-2); margin-bottom: 1rem;
        }
        .eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--gold-2); }
        .section-title { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; margin-bottom: .75rem; }
        .section-sub { color: var(--ivory-dim); max-width: 640px; margin-bottom: 3rem; }

        /* ============ BOTONES ============ */
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
            padding: .95rem 1.9rem; border-radius: var(--radius-pill);
            font-weight: 700; font-size: .95rem; cursor: pointer; border: none;
            transition: transform .18s var(--ease-out), box-shadow .18s var(--ease-out), background .18s;
            white-space: nowrap;
        }
        .btn-gold {
            background: linear-gradient(110deg, var(--gold-3), var(--gold-2) 45%, var(--gold-1) 70%, var(--gold-2));
            background-size: 180% 100%;
            color: #141005; box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover { transform: translateY(-2px); background-position: 90% 0; box-shadow: 0 14px 44px rgba(212,175,55,.25); }
        .btn-outline {
            background: transparent; color: var(--ivory);
            border: 1px solid var(--line); box-shadow: none;
        }
        .btn-outline:hover { border-color: var(--gold-2); color: var(--gold-1); transform: translateY(-2px); }
        .btn-wa { background: var(--wa); color: #06240f; }
        .btn-wa:hover { transform: translateY(-2px); background: #2EE27A; box-shadow: 0 14px 40px rgba(37,211,102,.28); }
        .btn svg { width: 19px; height: 19px; flex: none; }

        /* ============ HEADER ============ */
        header {
            position: fixed; inset: 0 0 auto 0; z-index: 60;
            background: rgba(11,11,12,.82); backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(212,175,55,.14);
        }
        .nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .brand { display: flex; align-items: center; gap: .7rem; }
        .brand svg { width: 38px; height: 38px; }
        .brand-name {
            font-family: 'Archivo', sans-serif; font-weight: 900;
            font-size: 1.05rem; letter-spacing: .24em;
        }
        .nav-links { display: flex; gap: 1.9rem; font-size: .9rem; font-weight: 600; color: var(--ivory-dim); }
        .nav-links a { position: relative; padding: .3rem 0; transition: color .15s; }
        .nav-links a:hover { color: var(--gold-1); }
        .nav-links a::after {
            content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1.5px;
            background: linear-gradient(90deg, var(--gold-2), var(--gold-1)); transition: width .25s var(--ease-out);
        }
        .nav-links a:hover::after { width: 100%; }
        .nav .btn { padding: .6rem 1.3rem; font-size: .85rem; }
        @media (max-width: 880px) { .nav-links { display: none; } }

        /* ============ HERO ============ */
        .hero {
            position: relative; padding: 10.5rem 0 6rem; overflow: hidden;
            background:
                radial-gradient(ellipse 900px 480px at 78% 18%, rgba(212,175,55,.10), transparent 60%),
                radial-gradient(ellipse 700px 420px at 8% 88%, rgba(212,175,55,.05), transparent 60%),
                var(--black);
        }
        .hero::before {
            content: ""; position: absolute; inset: 0; pointer-events: none;
            background-image: linear-gradient(rgba(212,175,55,.045) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(212,175,55,.045) 1px, transparent 1px);
            background-size: 56px 56px;
            mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, black 25%, transparent 75%);
        }
        .hero-grid {
            position: relative; display: grid; grid-template-columns: 1.15fr .85fr;
            gap: 3.5rem; align-items: center;
        }
        .hero h1 {
            font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 900;
            line-height: 1.12; margin-bottom: 1.4rem; letter-spacing: -.005em;
        }
        .hero p.lead { color: var(--ivory-dim); font-size: 1.08rem; max-width: 540px; margin-bottom: 2.2rem; }
        .hero-ctas { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.4rem; }
        .hero-chips { display: flex; flex-wrap: wrap; gap: .6rem; }
        .chip {
            display: inline-flex; align-items: center; gap: .45rem;
            padding: .45rem 1rem; border-radius: var(--radius-pill);
            border: 1px solid var(--line); background: rgba(212,175,55,.06);
            font-size: .82rem; font-weight: 600; color: var(--ivory);
        }
        .chip svg { width: 14px; height: 14px; color: var(--gold-1); }

        /* Rótulo circular — recreación del mockup */
        .sign-wrap { display: flex; justify-content: center; }
        .sign {
            position: relative; width: min(380px, 78vw); aspect-ratio: 1;
            border-radius: 50%; display: flex; flex-direction: column;
            align-items: center; justify-content: center; gap: 1.1rem;
            background: radial-gradient(circle at 38% 30%, #1B1B1E 0%, #0A0A0B 68%);
            border: 1px solid rgba(212,175,55,.35);
            box-shadow: var(--shadow-deep), inset 0 0 60px rgba(0,0,0,.7), 0 0 80px rgba(212,175,55,.07);
            animation: signFloat 7s ease-in-out infinite;
        }
        .sign::before {
            content: ""; position: absolute; inset: 10px; border-radius: 50%;
            border: 1px solid rgba(212,175,55,.16); pointer-events: none;
        }
        .sign svg.machine { width: 44%; height: auto; }
        .sign-word {
            font-family: 'Archivo', sans-serif; font-weight: 900;
            font-size: clamp(1.05rem, 2.4vw, 1.45rem); letter-spacing: .3em;
            margin-left: .3em; /* compensa el tracking del último carácter */
            background: linear-gradient(100deg, var(--gold-3), var(--gold-2) 40%, var(--gold-1) 60%, var(--gold-3));
            -webkit-background-clip: text; background-clip: text; color: transparent;
        }
        .sign-tag { font-size: .68rem; letter-spacing: .34em; color: var(--ivory-dim); text-transform: uppercase; }
        @keyframes signFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
        @media (prefers-reduced-motion: reduce) {
            .sign { animation: none; }
            html { scroll-behavior: auto; }
            .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
        }
        @media (max-width: 880px) {
            .hero { padding-top: 8.5rem; }
            .hero-grid { grid-template-columns: 1fr; }
            .sign-wrap { order: -1; }
            .sign { width: min(280px, 70vw); }
            .sign-word { font-size: .95rem; letter-spacing: .24em; }
            .sign-tag { font-size: .58rem; letter-spacing: .2em; }
        }

        /* ============ STATS ============ */
        .stats { border-block: 1px solid rgba(212,175,55,.14); background: var(--black-soft); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
        .stat { padding: 2rem 1rem; text-align: center; }
        .stat + .stat { border-left: 1px solid rgba(212,175,55,.1); }
        .stat b { display: block; font-family: 'Archivo', sans-serif; font-size: 1.65rem; font-weight: 800; }
        .stat span { font-size: .82rem; color: var(--ivory-dim); }
        @media (max-width: 720px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .stat:nth-child(3) { border-left: none; }
            .stat:nth-child(n+3) { border-top: 1px solid rgba(212,175,55,.1); }
        }

        /* ============ CARDS ============ */
        .cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
        .cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
        @media (max-width: 980px) { .cards-4 { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 700px) { .cards-4, .cards-3 { grid-template-columns: 1fr; } }
        .card {
            background: var(--black-card); border: 1px solid var(--line);
            border-radius: var(--radius-lg); padding: 1.8rem 1.6rem;
            transition: transform .25s var(--ease-out), border-color .25s, box-shadow .25s;
        }
        .card:hover { transform: translateY(-5px); border-color: rgba(212,175,55,.55); box-shadow: var(--shadow-gold); }
        .card-icon {
            width: 52px; height: 52px; border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, rgba(212,175,55,.14), rgba(212,175,55,.04));
            border: 1px solid var(--line); margin-bottom: 1.2rem;
        }
        .card-icon svg { width: 26px; height: 26px; color: var(--gold-1); }
        .card h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: .5rem; }
        .card p { font-size: .92rem; color: var(--ivory-dim); }
        .card .tag {
            display: inline-block; margin-top: 1rem; padding: .25rem .75rem;
            font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
            color: var(--gold-1); background: rgba(212,175,55,.1);
            border: 1px solid var(--line); border-radius: var(--radius-pill);
        }

        /* ============ PASOS ============ */
        .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; counter-reset: step; }
        @media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
        .step {
            position: relative; padding: 2rem 1.6rem 1.8rem;
            background: var(--black-card); border: 1px solid var(--line); border-radius: var(--radius-lg);
        }
        .step::before {
            counter-increment: step; content: "0" counter(step);
            display: block; font-family: 'Archivo', sans-serif; font-weight: 900; font-size: 2.2rem;
            background: linear-gradient(110deg, var(--gold-3), var(--gold-1));
            -webkit-background-clip: text; background-clip: text; color: transparent;
            margin-bottom: .8rem;
        }
        .step h3 { font-size: 1.05rem; margin-bottom: .45rem; }
        .step p { font-size: .92rem; color: var(--ivory-dim); }

        /* ============ MARCAS ============ */
        .brands { text-align: center; }
        .brands-row { display: flex; flex-wrap: wrap; justify-content: center; gap: .7rem; margin-top: 2rem; }
        .brand-chip {
            padding: .6rem 1.5rem; border-radius: var(--radius-pill);
            border: 1px solid var(--line); color: var(--ivory-dim);
            font-family: 'Archivo', sans-serif; font-weight: 700; letter-spacing: .12em;
            font-size: .85rem; text-transform: uppercase;
            transition: color .2s, border-color .2s;
        }
        .brand-chip:hover { color: var(--gold-1); border-color: rgba(212,175,55,.5); }
        .brands .note { margin-top: 1.4rem; font-size: .8rem; color: var(--ivory-dim); }

        /* ============ NOSOTROS ============ */
        .about { background: var(--black-soft); border-block: 1px solid rgba(212,175,55,.14); }
        .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
        @media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; } }
        .about-list { display: grid; gap: 1rem; margin-top: 1.8rem; }
        .about-list li { display: flex; gap: .85rem; align-items: flex-start; font-size: .95rem; color: var(--ivory); }
        .about-list svg { width: 20px; height: 20px; flex: none; margin-top: .2rem; color: var(--gold-1); }
        .about-badge {
            position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg);
            background: radial-gradient(circle at 30% 20%, #1B1B1E, #0C0C0D 70%);
            padding: 3rem 2rem; text-align: center; box-shadow: var(--shadow-deep);
        }
        .about-badge .years {
            font-family: 'Archivo', sans-serif; font-weight: 900; font-size: clamp(3.4rem, 7vw, 5rem); line-height: 1;
        }
        .about-badge .label { letter-spacing: .28em; text-transform: uppercase; font-size: .78rem; color: var(--ivory-dim); margin-top: .8rem; }
        .about-badge svg.machine { width: 74px; margin: 0 auto 1.4rem; }

        /* ============ CTA FINAL / CONTACTO ============ */
        .cta-final {
            position: relative; text-align: center; overflow: hidden;
            background: radial-gradient(ellipse 700px 380px at 50% 120%, rgba(212,175,55,.16), transparent 65%), var(--black);
        }
        .cta-final h2 { font-size: clamp(1.8rem, 3.8vw, 2.6rem); font-weight: 900; margin-bottom: 1rem; }
        .cta-final p { color: var(--ivory-dim); max-width: 560px; margin: 0 auto 2.2rem; }
        .cta-final .btn-row { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; }
        .contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3.5rem; text-align: left; }
        @media (max-width: 820px) { .contact-cards { grid-template-columns: 1fr; } }
        .contact-cards .card p a:hover { color: var(--gold-1); }

        /* ============ FOOTER ============ */
        footer { border-top: 1px solid rgba(212,175,55,.14); padding: 2.4rem 0; background: var(--black-soft); }
        .footer-in { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; font-size: .84rem; color: var(--ivory-dim); }
        .footer-in .brand-name { font-size: .9rem; }

        /* ============ WHATSAPP FLOAT ============ */
        .wa-float {
            position: fixed; right: 1.4rem; bottom: 6.2rem; z-index: 70;
            width: 60px; height: 60px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            background: var(--wa); box-shadow: 0 10px 32px rgba(37,211,102,.4);
            transition: transform .2s var(--ease-out), bottom .3s var(--ease-out);
        }
        .wa-float:hover { transform: scale(1.09); }
        .wa-float svg { width: 32px; height: 32px; color: #fff; }
        .wa-float::after {
            content: ""; position: absolute; inset: 0; border-radius: 50%;
            border: 2px solid var(--wa); animation: waPing 2.2s ease-out infinite;
        }
        @keyframes waPing { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.55); opacity: 0; } }
        @media (prefers-reduced-motion: reduce) { .wa-float::after { animation: none; } }
        body.banner-closed .wa-float { bottom: 1.4rem; }

        /* ============ REVEAL ON SCROLL ============ */
        .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
        .reveal.in { opacity: 1; transform: none; }

        /* ============ BANNER PRIVADO YECF ============ */
        .yb-spacer { height: 76px; }
        #yecf-banner {
            position: fixed; inset: auto 0 0 0; z-index: 80;
            display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; align-items: center; justify-content: center;
            padding: .8rem 1.2rem; font-size: .84rem;
            background: #060607; color: #cfc9ba;
            border-top: 1px solid rgba(212,175,55,.3);
        }
        #yecf-banner a { color: var(--gold-1); font-weight: 600; }
        .yb-btn, .yb-wa {
            padding: .45rem 1rem; border-radius: var(--radius-pill); font-size: .8rem; font-weight: 700;
        }
        .yb-btn { border: 1px solid var(--line); color: var(--ivory) !important; }
        .yb-btn:hover { border-color: var(--gold-2); }
        .yb-wa { background: var(--wa); color: #06240f !important; }
        .yb-close {
            background: none; border: 1px solid rgba(255,255,255,.2); color: #cfc9ba;
            width: 28px; height: 28px; border-radius: 50%; cursor: pointer; font-size: 1rem; line-height: 1;
        }
        .yb-close:hover { border-color: var(--gold-2); color: var(--gold-1); }

/* ============ PÁGINAS INTERNAS ============ */
.nav-links a.active { color: var(--gold-1); }
.nav-links a.active::after { width: 100%; }

.page-hero {
    position: relative; padding: 9rem 0 4rem; overflow: hidden;
    background:
        radial-gradient(ellipse 800px 400px at 75% 0%, rgba(212,175,55,.10), transparent 60%),
        var(--black);
    border-bottom: 1px solid rgba(212,175,55,.14);
}
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 900; line-height: 1.15; margin-bottom: .9rem; }
.page-hero p.lead { color: var(--ivory-dim); font-size: 1.05rem; max-width: 620px; }

/* Detalle de servicio (bloques alternados) */
.svc-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; padding: 2.5rem 0; }
.svc-detail + .svc-detail { border-top: 1px solid rgba(212,175,55,.12); }
@media (max-width: 820px) { .svc-detail { grid-template-columns: 1fr; gap: 1.2rem; } }
.svc-detail h3 { font-size: 1.35rem; font-weight: 800; margin-bottom: .6rem; }
.svc-detail .svc-kicker { font-size: .75rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-2); }
.svc-detail p { color: var(--ivory-dim); font-size: .95rem; }
.svc-list { display: grid; gap: .7rem; }
.svc-list li { display: flex; gap: .7rem; align-items: flex-start; font-size: .92rem; }
.svc-list svg { width: 18px; height: 18px; flex: none; margin-top: .25rem; color: var(--gold-1); }

/* FAQ con details nativo */
.faq { display: grid; gap: .9rem; max-width: 760px; }
.faq details {
    background: var(--black-card); border: 1px solid var(--line);
    border-radius: var(--radius-md); padding: 1.1rem 1.4rem;
    transition: border-color .2s;
}
.faq details[open] { border-color: rgba(212,175,55,.5); }
.faq summary { cursor: pointer; font-weight: 700; font-size: .98rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: 'Archivo', sans-serif; font-size: 1.3rem; color: var(--gold-2); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: .8rem; font-size: .92rem; color: var(--ivory-dim); }

/* Productos */
.prod-note {
    display: inline-block; margin-bottom: 2rem; padding: .5rem 1.1rem;
    border: 1px dashed rgba(212,175,55,.4); border-radius: var(--radius-pill);
    font-size: .8rem; color: var(--ivory-dim);
}
.prod-price { margin-top: 1rem; font-family: 'Archivo', sans-serif; font-weight: 800; color: var(--gold-1); font-size: .95rem; }

/* Formulario de contacto (compone mensaje de WhatsApp) */
.form-card { background: var(--black-card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 2rem 1.8rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: grid; gap: .4rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 700; letter-spacing: .04em; color: var(--ivory); }
.field input, .field select, .field textarea {
    background: var(--black-soft); border: 1px solid rgba(212,175,55,.25);
    border-radius: var(--radius-sm); padding: .8rem 1rem;
    color: var(--ivory); font-family: inherit; font-size: .92rem;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(212,175,55,.5); outline-offset: 1px; border-color: var(--gold-2); }
.form-hint { font-size: .78rem; color: var(--ivory-dim); margin-top: .8rem; }

/* Tabla comparativa sencilla */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); }
table.gold { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 560px; }
table.gold th, table.gold td { padding: .9rem 1.2rem; text-align: left; border-bottom: 1px solid rgba(212,175,55,.12); }
table.gold th { font-family: 'Archivo', sans-serif; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-1); background: rgba(212,175,55,.06); }
table.gold tr:last-child td { border-bottom: none; }
table.gold td { color: var(--ivory-dim); }
table.gold td:first-child { color: var(--ivory); font-weight: 600; }