/* ============================================================
   Joel Zuñiga · Consultor Digital
   Dark premium personal brand · ADN JZDS (lima #c8e618)
   ============================================================ */

:root {
    --bg:        #08080a;
    --bg-alt:    #0c0c0f;
    --surface:   #111114;
    --surface-2: #16161b;
    --line:        rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.16);

    --text:   #f4f4f2;
    --text-2: #a7a7af;
    --text-3: #6c6c75;

    --accent:     #c8e618;
    --accent-hi:  #ddff19;
    --accent-dim: rgba(200, 230, 24, 0.10);
    --accent-line:rgba(200, 230, 24, 0.28);

    --radius:    16px;
    --radius-sm: 10px;

    --font-display: 'Sora', system-ui, sans-serif;
    --font-body:    'DM Sans', system-ui, sans-serif;

    --ease-out:    cubic-bezier(0.23, 1, 0.32, 1);
    --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

    --container: 1180px;
    --nav-h: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 1rem;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.025em;
    color: var(--text);
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.section { padding: 120px 0; position: relative; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 720px; margin-bottom: 64px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.03em; }
.lead { color: var(--text-2); font-size: 1.075rem; margin-top: 18px; max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    font-family: var(--font-display);
    font-weight: 600; font-size: 0.95rem; letter-spacing: -0.01em;
    padding: 15px 28px; border-radius: var(--radius-sm);
    transition: transform 160ms var(--ease-out), background-color 200ms var(--ease-out), border-color 200ms var(--ease-out), color 200ms var(--ease-out);
    will-change: transform;
}
.btn:active { transform: scale(0.97); }
.btn-sm { padding: 11px 20px; font-size: 0.875rem; }
.btn-full { width: 100%; }

.btn-primary { background: var(--accent); color: #08080a; }
.btn-primary:hover { background: var(--accent-hi); }

.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-line); color: var(--accent); }

@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover { transform: translateY(-1px); }
    .btn-primary:active { transform: scale(0.97); }
}

/* ---------- Nav ---------- */
#nav-sentinel { position: absolute; top: 0; height: 1px; width: 1px; }

.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-h);
    border-bottom: 1px solid transparent;
    background: transparent;
    transition: background-color 260ms var(--ease-out), border-color 260ms var(--ease-out), backdrop-filter 260ms var(--ease-out);
}
.nav.scrolled {
    background: rgba(8, 8, 10, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--line);
}
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 11px;
    background: var(--accent); color: #08080a;
    font-family: var(--font-display); font-weight: 800; font-size: 1rem; letter-spacing: -0.04em;
    flex-shrink: 0;
}
.brand-mark-lg { width: 64px; height: 64px; border-radius: 18px; font-size: 1.5rem; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-display); font-weight: 600; font-size: 0.975rem; letter-spacing: -0.01em; }
.brand-text span { font-size: 0.72rem; color: var(--text-3); letter-spacing: 0.02em; }

.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { font-size: 0.9rem; color: var(--text-2); transition: color 160ms var(--ease-out); }
.nav-links a:hover { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang { display: inline-flex; align-items: center; border: 1px solid var(--line-strong); border-radius: 999px; padding: 3px; }
.lang-link {
    font-family: var(--font-display); font-weight: 600; font-size: 0.75rem; letter-spacing: 0.04em;
    color: var(--text-3); padding: 5px 11px; border-radius: 999px;
    transition: color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}
.lang-link:hover { color: var(--text); }
.lang-link.is-active { background: var(--accent); color: #08080a; }

.nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 240ms var(--ease-out), opacity 160ms var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: calc(var(--nav-h) + 96px) 0 110px; position: relative; overflow: hidden; }
.hero::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 68px 68px;
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 70% 0%, #000 0%, transparent 72%);
    mask-image: radial-gradient(ellipse 90% 70% at 70% 0%, #000 0%, transparent 72%);
    opacity: 0.5;
}
.hero-inner { position: relative; max-width: 960px; }

.hero-role {
    font-family: var(--font-display); font-weight: 500;
    font-size: 0.9rem; letter-spacing: 0.01em; color: var(--accent);
    margin-bottom: 26px;
}
.hero-name {
    font-size: clamp(3.4rem, 11vw, 8rem);
    font-weight: 800; line-height: 0.92; letter-spacing: -0.045em;
    margin-bottom: 30px;
}
.hero-statement {
    font-family: var(--font-display); font-weight: 300;
    font-size: clamp(1.15rem, 2.4vw, 1.6rem);
    line-height: 1.45; color: var(--text); max-width: 34ch; letter-spacing: -0.015em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 42px; }

.hero-meta {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px; margin-top: 72px; padding-top: 34px; border-top: 1px solid var(--line);
    max-width: 860px;
}
.hero-meta dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-3); margin-bottom: 8px; }
.hero-meta dd { font-family: var(--font-display); font-size: 0.98rem; font-weight: 400; color: var(--text); line-height: 1.4; }

.hero-philosophy {
    margin-top: 56px; font-family: var(--font-display); font-weight: 300;
    font-size: clamp(1.05rem, 2vw, 1.35rem); color: var(--text-2); letter-spacing: -0.01em;
    max-width: 30ch; position: relative; padding-left: 26px;
}
.hero-philosophy::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px; background: var(--accent); }

/* ---------- Problems ---------- */
.problemlist { display: grid; gap: 0; counter-reset: p; }
.problem {
    display: flex; align-items: baseline; gap: 28px;
    padding: 30px 0; border-bottom: 1px solid var(--line);
}
.problem:first-child { border-top: 1px solid var(--line); }
.problem-num { font-family: var(--font-display); font-weight: 600; font-size: 0.85rem; color: var(--accent); letter-spacing: 0.04em; min-width: 34px; }
.problem p { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.1rem, 2.4vw, 1.55rem); line-height: 1.35; letter-spacing: -0.015em; color: var(--text); }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.step { position: relative; padding-top: 30px; border-top: 1px solid var(--line-strong); }
.step::after { content: ""; position: absolute; top: -1px; left: 0; width: 46px; height: 2px; background: var(--accent); }
.step-num { font-family: var(--font-display); font-weight: 800; font-size: 2.6rem; color: var(--text-3); letter-spacing: -0.04em; display: block; margin-bottom: 18px; }
.step h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 12px; }
.step p { color: var(--text-2); font-size: 0.975rem; }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.service {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 38px 34px; display: flex; flex-direction: column;
    transition: border-color 240ms var(--ease-out), background-color 240ms var(--ease-out);
}
.service:hover { border-color: var(--line-strong); background: var(--surface-2); }
.service-index { font-family: var(--font-display); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 26px; }
.service h3 { font-size: 1.35rem; font-weight: 600; margin-bottom: 16px; letter-spacing: -0.02em; }
.service p { color: var(--text-2); font-size: 0.99rem; }
.service-tags { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--text-3); font-size: 0.85rem; }

/* ---------- Areas / flow ---------- */
.areas { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.area { background: var(--bg-alt); padding: 34px 32px; }
.area h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; }
.area p { color: var(--text-2); font-size: 0.97rem; }

.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 56px 0; }
.flow-step {
    font-family: var(--font-display); font-weight: 500; font-size: 0.88rem;
    padding: 10px 18px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text-2);
}
.flow-step-end { background: var(--accent); color: #08080a; border-color: var(--accent); font-weight: 600; }
.flow-arrow { color: var(--text-3); font-size: 0.9rem; }

.deliverable {
    display: flex; align-items: center; justify-content: space-between; gap: 40px;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 42px 40px;
}
.deliverable h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 12px; }
.deliverable p { color: var(--text-2); font-size: 0.99rem; max-width: 62ch; }
.deliverable .btn { flex-shrink: 0; }

/* ---------- Diagnóstico ---------- */
.diagnostico-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: start; }
.diagnostico-copy h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 32px; margin-top: 34px; }
.checklist li { position: relative; padding-left: 26px; color: var(--text-2); font-size: 0.98rem; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

.diagnostico-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 34px; }
.diagnostico-result-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-3); margin-bottom: 14px; }
.diagnostico-result { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; line-height: 1.25; letter-spacing: -0.02em; color: var(--text); margin-bottom: 18px; }
.diagnostico-note { color: var(--text-2); font-size: 0.95rem; margin-bottom: 28px; }

/* ---------- Content / auditorías ---------- */
.content-cta { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.content-cta p { color: var(--text-2); font-size: 1.05rem; max-width: 56ch; }
.content-links { display: flex; gap: 12px; flex-wrap: wrap; }
.chip {
    display: inline-flex; align-items: center;
    font-family: var(--font-display); font-weight: 500; font-size: 0.88rem;
    padding: 11px 22px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text-2);
    transition: border-color 180ms var(--ease-out), color 180ms var(--ease-out);
}
.chip:hover { border-color: var(--accent-line); color: var(--accent); }

/* ---------- Cases ---------- */
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case { border-top: 1px solid var(--line-strong); padding-top: 26px; }
.case-kind { font-family: var(--font-display); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin: 6px 0 14px; }
.case h3 { font-size: 1.3rem; font-weight: 600; letter-spacing: -0.02em; }
.case p:last-child { color: var(--text-2); font-size: 0.97rem; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 64px; align-items: center; }
.about-copy h2 { font-size: clamp(1.9rem, 4vw, 3rem); margin-bottom: 24px; }
.about-copy p { color: var(--text-2); font-size: 1.03rem; margin-bottom: 18px; max-width: 58ch; }
.about-specialties { font-family: var(--font-display); font-weight: 400; color: var(--text) !important; font-size: 0.98rem !important; line-height: 1.6; }
.about-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.about-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 30px; text-align: center; }
.about-photo { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 12px; margin-bottom: 22px; }
.about-card-name { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; letter-spacing: -0.02em; }
.about-card-role { color: var(--text-2); font-size: 0.95rem; margin-top: 4px; }
.about-card-by { color: var(--text-3); font-size: 0.82rem; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question {
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    font-family: var(--font-display); font-weight: 500; font-size: clamp(1.02rem, 2vw, 1.22rem);
    letter-spacing: -0.015em; color: var(--text); cursor: pointer;
    padding: 26px 0; list-style: none;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
    content: "+"; flex-shrink: 0; font-weight: 400; font-size: 1.5rem; line-height: 1;
    color: var(--accent); transition: transform 240ms var(--ease-out);
}
.faq-item[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer { color: var(--text-2); font-size: 1rem; padding: 0 0 28px; max-width: 78ch; }

/* ---------- CTA final ---------- */
.cta-final { background: var(--bg); border-top: 1px solid var(--line); }
.cta-inner { max-width: 760px; text-align: center; margin: 0 auto; }
.cta-final h2 { font-size: clamp(1.9rem, 4.4vw, 3.1rem); letter-spacing: -0.03em; }
.cta-final .lead { margin-left: auto; margin-right: auto; text-align: center; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 40px; }
.cta-contact { margin-top: 34px; color: var(--text-3); font-size: 0.92rem; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 54px 0 40px; }
.footer-inner { display: flex; flex-direction: column; gap: 30px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-name { font-family: var(--font-display); font-weight: 600; font-size: 1rem; }
.footer-role { color: var(--text-3); font-size: 0.87rem; }
.footer-role a { color: var(--text-2); }
.footer-role a:hover { color: var(--accent); }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: var(--text-2); font-size: 0.9rem; transition: color 160ms var(--ease-out); }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--text-3); font-size: 0.82rem; padding-top: 26px; border-top: 1px solid var(--line); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
    .nav-links { gap: 16px; }
    .nav-links a { font-size: 0.85rem; }
}
@media (max-width: 960px) {
    .section { padding: 88px 0; }
    .process { grid-template-columns: repeat(2, 1fr); gap: 34px 28px; }
    .services, .areas, .cases { grid-template-columns: 1fr; }
    .diagnostico-inner { grid-template-columns: 1fr; gap: 44px; }
    .about { grid-template-columns: 1fr; gap: 44px; }
    .deliverable { flex-direction: column; align-items: flex-start; }
    .hero-meta { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 760px) {
    :root { --nav-h: 64px; }
    .nav-links {
        position: fixed; inset: var(--nav-h) 0 auto 0;
        flex-direction: column; align-items: flex-start; gap: 4px;
        background: rgba(8, 8, 10, 0.98);
        backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
        padding: 18px 24px 28px; border-bottom: 1px solid var(--line);
        transform: translateY(-12px); opacity: 0; pointer-events: none;
        transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out);
    }
    .nav-links.open { opacity: 1; transform: none; pointer-events: auto; }
    .nav-links a { width: 100%; padding: 12px 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
    .nav-actions .btn { display: none; }
    .nav-toggle { display: flex; }
    .hero { padding: calc(var(--nav-h) + 64px) 0 84px; }
    .checklist { grid-template-columns: 1fr; }
    .process { grid-template-columns: 1fr; }
    .flow { gap: 8px; }
    .flow-step { font-size: 0.8rem; padding: 8px 14px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
    .reveal { opacity: 1; transform: none; }
}

/* ---------- Paginas internas ---------- */
.page-hero { padding: calc(var(--nav-h) + 76px) 0 48px; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-3); margin-bottom: 24px; }
.breadcrumb a { color: var(--text-2); transition: color 160ms var(--ease-out); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-3); }
.page-hero h1 { font-size: clamp(2.2rem, 6vw, 4.1rem); letter-spacing: -0.035em; line-height: 1.02; }
.page-hero .lead { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--text-2); max-width: 62ch; }

.prose { max-width: 840px; }
.prose h2 { font-size: clamp(1.55rem, 3.4vw, 2.25rem); letter-spacing: -0.03em; margin-bottom: 18px; }
.prose h3 { font-size: 1.2rem; font-weight: 600; margin: 28px 0 10px; }
.prose p { color: var(--text-2); margin-bottom: 16px; }
.prose ul.bullets { margin: 6px 0 22px; }
.prose ul.bullets li { position: relative; padding-left: 24px; color: var(--text-2); margin-bottom: 12px; }
.prose ul.bullets li::before { content: ""; position: absolute; left: 0; top: 10px; width: 10px; height: 6px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 8px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.card h3 { font-size: 1.15rem; font-weight: 600; margin: 0 0 10px; }
.card p { color: var(--text-2); font-size: 0.97rem; margin: 0; }
.card ul { margin: 0; }
.card ul li { color: var(--text-2); font-size: 0.95rem; margin-bottom: 8px; }

.flow-inline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 22px 0; }
.flow-inline .flow-step { font-family: var(--font-display); font-weight: 500; font-size: 0.85rem; padding: 9px 16px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text-2); }
.flow-inline .flow-arrow { color: var(--text-3); }

.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.related a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: border-color 200ms var(--ease-out), background-color 200ms var(--ease-out); }
.related a:hover { border-color: var(--line-strong); background: var(--surface-2); }
.related h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.related p { color: var(--text-2); font-size: 0.9rem; margin: 0; }

.service-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; color: var(--accent); }
.service-link span { transition: transform 200ms var(--ease-out); }
.service-link:hover span { transform: translateX(4px); }

@media (max-width: 960px) { .grid2 { grid-template-columns: 1fr; } }