/* ============================================================
   NEYMUK® · PEAK BRAIN — Sistema de diseño
   Fondo #090909 · Acento único azul petróleo #3B759A
   Display: Sary Soft (fuente del logo) · Texto: Inter
   ============================================================ */

/* Sary Soft — tipografía del logotipo Neymuk */
@font-face {
  font-family: 'Sary Soft';
  src: url('assets/fonts/sary-soft.soft-thin.otf') format('opentype');
  font-weight: 100; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Sary Soft';
  src: url('assets/fonts/sary-soft.soft-extralight.otf') format('opentype');
  font-weight: 200; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Sary Soft';
  src: url('assets/fonts/sary-soft.soft-light.otf') format('opentype');
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Sary Soft';
  src: url('assets/fonts/sary-soft.soft-regular.otf') format('opentype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Sary Soft';
  src: url('assets/fonts/sary-soft.soft-semibold.otf') format('opentype');
  font-weight: 600; font-style: normal; font-display: swap;
}

:root {
  --font-display: 'Sary Soft', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --bg:            #090909;
  --bg-elevated:   #111111;
  --surface:       #161616;
  --surface-2:     #1a1a1a;

  --text:          #F0EDE8;
  --text-2:        #888780;
  --muted:         #444441;

  --accent:        #3B759A;
  --accent-bg:     #0d1e2a;
  --accent-line:   #1a3a4a;

  --divider:       #1e1e1e;
  --divider-2:     #2a2a2a;

  --maxw:          1180px;
  --pad:           clamp(1.25rem, 5vw, 4rem);
  --section-y:     clamp(4rem, 11vw, 9rem);
  --ease:          cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-feature-settings: "ss01", "cv11";
  letter-spacing: -0.011em;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
sup { font-size: 0.55em; vertical-align: super; }
em { font-style: italic; color: var(--text); }
strong { color: var(--text); font-weight: 600; }

.container { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ---------- Tipografía compartida ---------- */
.section-header {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 1.4rem;
}
.section-title {
  font-size: clamp(1.7rem, 4.2vw, 2.9rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 1.3rem;
}
.section-lead {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: var(--text-2);
  max-width: 56ch;
  margin-bottom: 3rem;
}

.section { padding-top: var(--section-y); padding-bottom: var(--section-y); position: relative; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  font-weight: 600; font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--amazon {
  background: var(--text);
  color: #0a0a0a;
}
.btn--amazon:hover { background: #fff; box-shadow: 0 10px 40px -12px rgba(240,237,232,0.4); transform: translateY(-2px); }

.btn--accent {
  background: var(--accent);
  color: #fff;
}
.btn--accent:hover { background: #4789b3; box-shadow: 0 10px 40px -14px rgba(59,117,154,0.7); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--divider-2);
}
.btn--ghost:hover { border-color: var(--accent); color: #fff; }

.btn--lg { padding: 1.1rem 2.4rem; font-size: 1.05rem; }

/* ============================================================
   NAV
   ============================================================ */
.top-bar {
  height: 3px; width: 100%;
  background: var(--accent);
  position: fixed; top: 0; left: 0; z-index: 60;
}
.nav {
  position: fixed; top: 3px; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.9rem var(--pad);
  background: rgba(9,9,9,0);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), padding 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(9,9,9,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--divider);
  padding-top: 0.7rem; padding-bottom: 0.7rem;
}
.nav__brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; letter-spacing: 0; }
.nav__links { display: flex; gap: 1.7rem; margin-left: auto; }
.nav__links a {
  font-size: 0.88rem; color: var(--text-2); font-weight: 500;
  transition: color 0.2s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__cta { margin-left: 0.5rem; }

.nav__burger { display: none; background: none; border: 0; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; margin-left: auto; }
.nav__burger span { width: 24px; height: 2px; background: var(--text); transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 8rem var(--pad) 4rem;
  position: relative; overflow: hidden;
}
.hero__halo {
  position: absolute; top: 38%; right: 8%;
  width: 70vmax; height: 70vmax; transform: translate(20%, -50%);
  background: radial-gradient(circle, rgba(59,117,154,0.22) 0%, rgba(59,117,154,0.06) 35%, transparent 62%);
  pointer-events: none; z-index: 0;
  animation: haloFloat 14s ease-in-out infinite;
}
@keyframes haloFloat {
  0%, 100% { transform: translate(20%, -50%) scale(1); }
  50%      { transform: translate(18%, -47%) scale(1.06); }
}
.hero__grid {
  position: relative; z-index: 1;
  max-width: var(--maxw); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3rem; align-items: center;
}
.hero__eyebrow {
  font-size: 0.8rem; color: var(--text-2); font-weight: 500;
  letter-spacing: 0.04em; margin-bottom: 1.6rem;
}
.hero__wordmark {
  display: flex; flex-direction: column; line-height: 0.92;
  font-weight: 800; letter-spacing: -0.04em;
  font-size: clamp(3.6rem, 12vw, 7.5rem);
}
.hero__peak { color: var(--text); }
.hero__brain { color: var(--accent); }
.hero__rule { width: 64px; height: 3px; background: var(--accent); margin: 1.6rem 0; }
.hero__tagline { font-size: clamp(1.2rem, 2.4vw, 1.7rem); font-weight: 600; letter-spacing: -0.02em; max-width: 24ch; }
.hero__sub { color: var(--text-2); font-size: 1.05rem; margin-top: 0.7rem; }
.hero__claim {
  margin-top: 1.8rem; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.32em; color: var(--text-2);
}
.hero__actions { display: flex; gap: 0.9rem; margin-top: 2.2rem; flex-wrap: wrap; }

.hero__product { position: relative; display: flex; justify-content: center; }
.hero__bottle {
  width: 100%; max-width: 540px;
  height: clamp(360px, 44vw, 560px);
  object-fit: cover; object-position: center 46%;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.6));
  animation: bottleFloat 6s ease-in-out infinite;
  -webkit-mask-image: radial-gradient(125% 105% at 50% 46%, #000 58%, transparent 100%);
  mask-image: radial-gradient(125% 105% at 50% 46%, #000 58%, transparent 100%);
}
@keyframes bottleFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  z-index: 1;
}
.hero__scroll span { font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.hero__scroll-line { width: 1px; height: 38px; background: linear-gradient(var(--accent), transparent); }

/* ============================================================
   KPIs
   ============================================================ */
.kpis {
  display: grid; grid-template-columns: repeat(4, 1fr);
  max-width: var(--maxw); margin: 0 auto;
  border-top: 1px solid var(--divider); border-bottom: 1px solid var(--divider);
}
.kpi {
  padding: 2.4rem var(--pad); text-align: center;
  border-right: 1px solid var(--divider);
}
.kpi:last-child { border-right: 0; }
.kpi__num { display: block; font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; }
.kpi__num small { font-size: 0.5em; color: var(--accent); font-weight: 700; }
.kpi__label { display: block; font-size: 0.82rem; color: var(--text-2); margin-top: 0.5rem; }

/* ============================================================
   CARDS genéricas
   ============================================================ */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: 6px;
  padding: 1.8rem;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.card:hover { border-color: var(--accent-line); transform: translateY(-3px); }

/* ============================================================
   ENEMIGO
   ============================================================ */
.big-quote {
  font-size: clamp(1.5rem, 3.4vw, 2.5rem);
  font-weight: 700; line-height: 1.22; letter-spacing: -0.025em;
  max-width: 22ch; margin-bottom: 3.5rem;
  border-left: 2px solid var(--accent); padding-left: clamp(1rem, 3vw, 2rem);
}
.enemigo__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.5rem; align-items: center; }
.enemigo__copy p { color: var(--text-2); margin-bottom: 1rem; font-size: 1.05rem; }
.enemigo__copy p:first-child { color: var(--text); font-size: 1.15rem; font-weight: 500; }
.enemigo__card { background: #0a0a0a; border-color: var(--accent-line); text-align: center; padding: 2.6rem 2rem; }
.card__kicker { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-2); margin-bottom: 1rem; }
.card__big { font-size: clamp(1.2rem, 2.4vw, 1.5rem); font-weight: 700; line-height: 1.25; }
.card__sep { color: var(--accent); font-weight: 700; margin: 0.6rem 0; }
.card__foot { margin-top: 1.6rem; padding-top: 1.4rem; border-top: 1px solid var(--divider); font-size: 0.9rem; color: var(--text-2); }

/* Dos fricciones */
.dual { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.dual__card { position: relative; padding: 2rem 1.9rem; }
.dual__n { display: block; font-size: 0.9rem; font-weight: 700; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 1rem; }
.dual__card h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.8rem; }
.dual__card p { color: var(--text-2); font-size: 1rem; }

/* Firma de marca */
.signature { margin: 2.5rem 0 2rem; padding: 2.2rem clamp(1.2rem, 4vw, 2.5rem); border-left: 2px solid var(--accent); background: linear-gradient(90deg, var(--accent-bg), transparent 80%); border-radius: 0 6px 6px 0; }
.signature p { font-size: clamp(1.4rem, 3.2vw, 2.2rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.2; }
.signature span { color: var(--accent); }
.enemigo__close { color: var(--text-2); font-size: 1.1rem; max-width: 60ch; }

/* ============================================================
   ESTADO — characteristics
   ============================================================ */
.estado__chars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.char { position: relative; }
.char__n { display: block; font-size: 1.6rem; font-weight: 800; color: var(--divider-2); margin-bottom: 1rem; }
.char h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 0.6rem; letter-spacing: -0.02em; }
.char p { font-size: 0.92rem; color: var(--text-2); }

/* ============================================================
   FÓRMULA
   ============================================================ */
.formula__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.ingrediente { display: flex; flex-direction: column; }
.ingrediente--wide { grid-column: 1 / -1; }
.ingrediente__head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 0.4rem; }
.ingrediente__head h3 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.ingrediente__dose {
  font-size: 0.95rem; font-weight: 700; color: var(--accent);
  background: var(--accent-bg); border: 1px solid var(--accent-line);
  padding: 0.25rem 0.7rem; border-radius: 100px; white-space: nowrap;
}
.ingrediente__role { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-2); margin-bottom: 0.9rem; }
.ingrediente p:last-child { color: var(--text-2); font-size: 0.96rem; }

.formula__badges {
  list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 2rem;
}
.formula__badges li {
  font-size: 0.82rem; color: var(--text-2);
  border: 1px solid var(--divider-2); border-radius: 100px;
  padding: 0.4rem 1rem;
}
.formula__note { margin-top: 1.6rem; font-size: 0.8rem; color: var(--muted); max-width: 70ch; }

/* ============================================================
   RITUAL / TIMELINE
   ============================================================ */
.timeline { list-style: none; position: relative; max-width: 720px; margin-top: 1rem; }
.timeline::before {
  content: ""; position: absolute; left: 7.5rem; top: 0.5rem; bottom: 0.5rem;
  width: 1px; background: var(--divider-2);
}
.timeline__item { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1.8rem; padding: 1.4rem 0; position: relative; }
.timeline__t { font-size: 0.9rem; font-weight: 700; color: var(--text-2); text-align: right; padding-top: 0.1rem; }
.timeline__t--accent { color: var(--accent); }
.timeline__body { position: relative; padding-left: 1.8rem; }
.timeline__body::before {
  content: ""; position: absolute; left: -1.85rem; top: 0.35rem;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--divider-2);
  transform: translateX(-50%);
}
.timeline__item:nth-child(3) .timeline__body::before { border-color: var(--accent); box-shadow: 0 0 0 5px rgba(59,117,154,0.15); }
.timeline__body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.3rem; letter-spacing: -0.02em; }
.timeline__body p { color: var(--text-2); font-size: 0.96rem; }

/* ============================================================
   PARA QUIÉN
   ============================================================ */
.para-quien__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.para-col__title { font-size: 1.2rem; font-weight: 700; margin-bottom: 1.3rem; letter-spacing: -0.02em; }
.para-list { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; }
.para-list li { position: relative; padding-left: 1.9rem; color: var(--text-2); font-size: 0.98rem; }
.para-list li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.para-list--yes li::before { content: "✓"; color: var(--accent); }
.para-list--no li::before { content: "✕"; color: var(--muted); }

/* ============================================================
   FUNDADORA
   ============================================================ */
.fundadora { background: linear-gradient(180deg, var(--bg) 0%, #0b0d0f 50%, var(--bg) 100%); }
.fundadora__inner { max-width: 800px; }
.fundadora__lead {
  font-size: clamp(1.4rem, 3vw, 2.1rem); font-weight: 700; line-height: 1.3;
  letter-spacing: -0.025em; margin-bottom: 2.2rem; color: var(--text);
}
.fundadora__body p { color: var(--text-2); font-size: 1.08rem; margin-bottom: 1.2rem; }

/* ============================================================
   TESTIMONIOS
   ============================================================ */
.testimonios__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.testimonio blockquote { font-size: 1.05rem; line-height: 1.5; font-weight: 500; letter-spacing: -0.01em; }
.testimonio figcaption { margin-top: 1.4rem; padding-top: 1rem; border-top: 1px solid var(--divider); font-size: 0.82rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; }
.testimonios__note { margin-top: 1.8rem; font-size: 0.8rem; color: var(--muted); max-width: 72ch; }

/* ============================================================
   REGLA
   ============================================================ */
.regla { background: var(--bg-elevated); border-top: 1px solid var(--divider); border-bottom: 1px solid var(--divider); }
.regla__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 1.2rem; }
.regla__item { display: flex; gap: 1rem; align-items: flex-start; }
.regla__n {
  flex-shrink: 0; width: 2.2rem; height: 2.2rem; border-radius: 50%;
  border: 1px solid var(--accent-line); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.95rem;
}
.regla__item p { color: var(--text-2); font-size: 1rem; }

/* ============================================================
   CTA AMAZON
   ============================================================ */
.cta-amazon { text-align: center; }
.cta-amazon__inner { position: relative; max-width: 760px; overflow: hidden; padding: clamp(2.5rem,6vw,4.5rem) clamp(1.5rem,5vw,4rem); border: 1px solid var(--accent-line); border-radius: 10px; background: radial-gradient(120% 120% at 50% 0%, #0d1e2a 0%, #0a0a0a 60%); }
.cta-amazon__halo { position: absolute; inset: 0; background: radial-gradient(60% 50% at 50% 0%, rgba(59,117,154,0.25), transparent 70%); pointer-events: none; }
.cta-amazon__title { position: relative; font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1.1rem; }
.cta-amazon__price { position: relative; color: var(--text-2); font-size: 1.1rem; max-width: 46ch; margin: 0 auto 2rem; }
.cta-amazon__ship { position: relative; margin-top: 1.4rem; font-size: 0.82rem; color: var(--muted); }

/* ============================================================
   COMUNIDAD / EMAIL
   ============================================================ */
.comunidad__inner { max-width: 720px; }
.email-form { margin-top: 0.5rem; }
.email-form__row { display: flex; gap: 0.7rem; }
.email-form input[type="email"] {
  flex: 1; background: var(--bg-elevated); border: 1px solid var(--divider-2);
  border-radius: 4px; padding: 0.95rem 1.1rem; color: var(--text); font-size: 1rem;
  font-family: inherit; transition: border-color 0.25s var(--ease);
}
.email-form input[type="email"]::placeholder { color: var(--muted); }
.email-form input[type="email"]:focus { outline: none; border-color: var(--accent); }
.email-form__legal { font-size: 0.78rem; color: var(--muted); margin-top: 0.9rem; }
.email-form__msg { font-size: 0.92rem; margin-top: 0.9rem; min-height: 1.2em; }
.email-form__msg.is-ok { color: var(--accent); }
.email-form__msg.is-err { color: #c98a8a; }

/* ============================================================
   REDES
   ============================================================ */
.redes__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1.2rem; }
.red {
  display: flex; flex-direction: column; gap: 0.3rem;
  padding: 1.5rem; border: 1px solid var(--divider); border-radius: 6px;
  background: var(--bg-elevated); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.red:hover { border-color: var(--accent); transform: translateY(-3px); }
.red__name { font-weight: 700; font-size: 1.05rem; }
.red__handle { font-size: 0.86rem; color: var(--text-2); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--divider); padding-top: 3.5rem; padding-bottom: 2.5rem; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; padding-bottom: 2.5rem; border-bottom: 1px solid var(--divider); }
.footer__brand { display: flex; align-items: center; gap: 1rem; }
.footer__symbol { width: 46px; height: auto; opacity: 0.95; }
.footer__name { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; }
.footer__tag { font-size: 0.82rem; color: var(--text-2); }
.footer__links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer__links a { font-size: 0.88rem; color: var(--text-2); transition: color 0.2s var(--ease); }
.footer__links a:hover { color: var(--text); }
.footer__legal { padding-top: 2rem; }
.footer__legal p { font-size: 0.76rem; color: var(--muted); line-height: 1.7; max-width: 90ch; }
.footer__credit { margin-top: 1rem; }

/* ============================================================
   REVEAL — fade-in en scroll (suave, 300-600ms)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__halo, .hero__bottle { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 920px) {
  .hero__grid { grid-template-columns: 1fr; gap: 2rem; text-align: left; }
  .hero__product { order: -1; max-width: 280px; margin: 0; }
  .hero__bottle { max-width: 260px; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi:nth-child(2) { border-right: 0; }
  .kpi:nth-child(1), .kpi:nth-child(2) { border-bottom: 1px solid var(--divider); }
  .enemigo__grid { grid-template-columns: 1fr; }
  .dual { grid-template-columns: 1fr; }
  .estado__chars { grid-template-columns: repeat(2, 1fr); }
  .formula__grid { grid-template-columns: 1fr; }
  .para-quien__grid { grid-template-columns: 1fr; }
  .testimonios__grid { grid-template-columns: 1fr; }
  .regla__grid { grid-template-columns: 1fr; gap: 1.4rem; }
  .redes__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav.is-mobile-open { background: rgba(9,9,9,0.97); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
  .nav__links.is-mobile-open {
    display: flex; flex-direction: column; gap: 0;
    position: fixed; top: calc(3px + 56px); left: 0; right: 0;
    background: rgba(9,9,9,0.98); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    padding: 0.5rem var(--pad) 1.5rem; border-bottom: 1px solid var(--divider);
    margin-left: 0;
  }
  .nav__links.is-mobile-open a { padding: 1rem 0; border-bottom: 1px solid var(--divider); font-size: 1rem; }
  .nav__cta.is-mobile-open { display: inline-flex; margin: 1rem var(--pad) 0; }
}

@media (max-width: 460px) {
  .estado__chars { grid-template-columns: 1fr; }
  .redes__grid { grid-template-columns: 1fr; }
  .email-form__row { flex-direction: column; }
  .timeline::before { left: 5.5rem; }
  .timeline__item { grid-template-columns: 5.5rem 1fr; gap: 1rem; }
}