/* ==========================================================================
   MassMotors — landing
   Basado en DESIGN-MASSMOTORS.md: lienzo blanco, tinta casi negra (#080808),
   tipografía Inter 400/500/600 con tracking negativo, botones 4px, cards 8px,
   eyebrows en mayúsculas. El amarillo de marca reemplaza a los acentos
   cromáticos como color de superficie.
   ========================================================================== */

:root {
  /* Colores */
  --ink: #080808;
  --ink-strong: #222222;
  --body: #363636;
  --body-mid: #5a5a5a;
  --mute: #898989;
  --mute-soft: #ababab;
  --hairline: #d8d8d8;
  --canvas: #ffffff;
  --canvas-soft: #f6f6f4;

  --yellow: #ffd000;
  --yellow-deep: #f5b800;
  --yellow-soft: #fff6cc;
  --whatsapp: #25d366;

  /* Tipografía */
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Inconsolata", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Forma */
  --r-sm: 4px;
  --r-md: 8px;
  --r-full: 9999px;

  /* Espaciado */
  --gutter: 32px;
  --section-y: 112px;

  /* Elevación */
  --shadow-2: 0 84px 24px rgba(0,0,0,0), 0 54px 22px rgba(0,0,0,.01), 0 30px 18px rgba(0,0,0,.04), 0 13px 13px rgba(0,0,0,.08), 0 3px 7px rgba(0,0,0,.09);
  --shadow-3: 0 84px 24px rgba(0,0,0,0), 0 54px 22px rgba(0,0,0,.02), 0 30px 18px rgba(0,0,0,.06), 0 13px 13px rgba(0,0,0,.1), 0 3px 7px rgba(0,0,0,.12);

  --nav-h: 72px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-feature-settings: "ss01", "cv11";
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--body);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { color: var(--ink); margin: 0; font-weight: 600; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button, input, select, textarea { font: inherit; color: inherit; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--gutter); }
.hero__grid > *, .tires > *, .contact > *, .faq-wrap > *, .services > *, .steps > *, .why > * { min-width: 0; }

.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--r-sm);
  transition: top .15s;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }
.band--dark :focus-visible { outline-color: var(--yellow); }

.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Tipos ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--body-mid);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: ""; width: 18px; height: 3px; background: var(--yellow); border-radius: 2px;
}
.hero .eyebrow::before { display: none; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 4px var(--yellow-soft); }
.eyebrow--yellow { color: var(--yellow); }
.band--yellow .eyebrow { color: var(--ink); }
.band--yellow .eyebrow::before { background: var(--ink); }

.section-title {
  font-size: clamp(32px, 4.2vw, 48px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  max-width: 20ch;
}
.section-sub {
  margin-top: 20px;
  font-size: 18px; line-height: 1.6;
  color: var(--body-mid);
  max-width: 58ch;
}
.section-head { margin-bottom: 56px; }

.lead {
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.55;
  color: var(--body);
  max-width: 34ch;
  margin-top: 24px;
}

.hl {
  background: linear-gradient(transparent 62%, var(--yellow) 62%, var(--yellow) 92%, transparent 92%);
  padding: 0 .04em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.hl-yellow { color: var(--yellow); }

.inline-link { color: var(--ink); font-weight: 500; text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 2px; text-underline-offset: 3px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 20px;
  font-size: 16px; font-weight: 500; line-height: 1.6; letter-spacing: -0.01em;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color .15s, border-color .15s, transform .15s, box-shadow .15s;
}
.btn--lg { padding: 14px 24px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #2a2a2a; }
.btn--secondary { background: var(--canvas); color: var(--ink); border-color: var(--hairline); }
.btn--secondary:hover { border-color: var(--ink); }
.btn--yellow { background: var(--yellow); color: var(--ink); }
.btn--yellow:hover { background: var(--yellow-deep); }
.btn:active { transform: translateY(1px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500; color: var(--ink);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 2px;
}
.link-arrow span { transition: transform .15s; }
.link-arrow:hover span { transform: translateX(4px); }

/* ---------- Marca ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark svg { width: 32px; height: 32px; }
.brand__mark rect { fill: var(--yellow); }
.brand__mark path { fill: var(--ink); }
.brand__word { font-size: 20px; font-weight: 500; letter-spacing: -0.03em; color: var(--ink); }
.brand__word strong { font-weight: 600; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.nav.is-scrolled { border-bottom-color: var(--hairline); }
.nav__inner { height: var(--nav-h); display: flex; align-items: center; gap: 32px; }
.nav__links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav__links a:not(.btn) {
  font-size: 14px; font-weight: 500; color: var(--ink);
  position: relative; padding: 6px 0;
}
.nav__links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--yellow); transform: scaleX(0); transform-origin: left; transition: transform .2s;
}
.nav__links a:not(.btn):hover::after, .nav__links a.is-active::after { transform: scaleX(1); }
.nav__links-cta { display: none; }
.nav__actions { display: flex; align-items: center; gap: 20px; }
.nav__phone { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--ink); white-space: nowrap; }
.nav__phone .icon { width: 16px; height: 16px; }
.nav__cta { padding: 9px 16px; font-size: 14px; }
.nav__toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--hairline); background: var(--canvas);
  border-radius: var(--r-sm); cursor: pointer; position: relative;
}
.nav__toggle span {
  position: absolute; left: 12px; right: 12px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .2s, top .2s;
}
.nav__toggle span:first-child { top: 17px; }
.nav__toggle span:last-child { top: 25px; }
.nav__toggle[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 96px; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.hero__title {
  font-size: clamp(44px, 6.6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  max-width: 11ch;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero__vehicles {
  list-style: none; padding: 0; margin: 40px 0 0;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.hero__vehicles li {
  font-size: 13px; font-weight: 500; color: var(--body-mid);
  border: 1px solid var(--hairline); border-radius: var(--r-sm);
  padding: 4px 10px;
}

.hero__visual { position: relative; }
.hero__panel {
  position: relative;
  aspect-ratio: 1 / 1.02;
  background: var(--yellow);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  overflow: hidden;
  box-shadow: var(--shadow-3);
}
.hero__panel::before {
  /* patrón de huella de neumático */
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(8,8,8,.06) 0 14px, transparent 14px 34px);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 75%);
  mask-image: linear-gradient(to bottom, #000, transparent 75%);
}
.tire {
  position: relative;
  width: 74%; height: auto;
  filter: drop-shadow(0 24px 30px rgba(8,8,8,.28));
  animation: spin 40s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.chip {
  position: absolute;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--canvas); color: var(--ink);
  font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--r-sm);
  box-shadow: var(--shadow-2);
}
.chip__dot { width: 8px; height: 8px; border-radius: 50%; background: #00b81d; }
.chip--a { top: 9%; left: 7%; }
.chip--b { top: 42%; right: 5%; }
.chip--c { bottom: 18%; left: 5%; }
.spec {
  position: absolute; right: 6%; bottom: 6%;
  background: var(--ink); color: #fff;
  border-radius: var(--r-sm); padding: 10px 14px;
  display: flex; flex-direction: column; line-height: 1.2;
}
.spec__label { font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--mute-soft); }
.spec__value { font-family: var(--mono); font-size: 20px; font-weight: 500; color: var(--yellow); margin-top: 4px; }

/* ---------- Strip ---------- */
.strip {
  background: var(--ink); color: #fff;
  overflow: hidden; white-space: nowrap;
  border-top: 4px solid var(--yellow);
}
.strip__track {
  display: inline-flex; align-items: center; gap: 28px;
  padding: 20px 0;
  animation: marquee 38s linear infinite;
  font-size: 20px; font-weight: 500; letter-spacing: -0.02em;
}
.strip__track i { color: var(--yellow); font-style: normal; font-size: 10px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Bands ---------- */
.band { padding: var(--section-y) 0; }
.band--soft { background: var(--canvas-soft); }
.band--dark { background: var(--ink); color: #c9c9c9; }
.band--dark .section-title { color: #fff; }
.band--dark .section-sub { color: #a9a9a9; }
.band--yellow { background: var(--yellow); }
.band--yellow .section-title { color: var(--ink); }
.band--yellow .section-sub { color: var(--ink-strong); }

/* ---------- Servicios ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.svc {
  position: relative;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 32px;
  display: flex; flex-direction: column;
  transition: box-shadow .2s, transform .2s, border-color .2s;
}
.svc:hover { box-shadow: var(--shadow-2); transform: translateY(-2px); }
.svc h3 { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.25; margin-top: 28px; }
.svc p { margin-top: 12px; color: var(--body-mid); font-size: 15px; line-height: 1.6; }
.svc__icon {
  width: 48px; height: 48px; border-radius: var(--r-md);
  background: var(--yellow-soft); color: var(--ink);
  display: grid; place-items: center;
}
.svc__icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tags { list-style: none; padding: 0; margin: auto 0 0; padding-top: 24px; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li {
  font-size: 12.5px; font-weight: 550; color: var(--ink-strong);
  background: var(--canvas-soft); border-radius: var(--r-sm);
  padding: 3px 8px;
}

.svc--feature {
  grid-column: span 2;
  background: var(--yellow); border-color: var(--yellow);
}
.svc--feature h3 { font-size: clamp(28px, 3vw, 36px); font-weight: 600; letter-spacing: -0.03em; }
.svc--feature p { color: var(--ink-strong); font-size: 17px; max-width: 46ch; }
.svc--feature .svc__icon { background: var(--ink); color: var(--yellow); }
.svc--feature .tags li { background: rgba(8,8,8,.08); }
.svc--feature .link-arrow { margin-top: 24px; align-self: flex-start; }
.svc--feature .tags { margin-top: 0; }

.nowrap { white-space: nowrap; }

.svc--cta {
  grid-column: span 2;
  background: var(--canvas-soft); border-style: dashed;
  justify-content: center;
}
.svc--cta:hover { transform: none; box-shadow: none; }
.svc--cta__kicker { font-size: 13px !important; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; color: var(--body-mid); margin: 0 !important; }
.svc--cta h3 { margin-top: 12px; font-size: clamp(22px, 2.2vw, 28px); max-width: 26ch; }
.svc--cta__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.svc--dark { background: var(--ink); border-color: var(--ink); }
.svc--dark h3 { color: #fff; }
.svc--dark p { color: #b5b5b5; }
.svc--dark .svc__icon { background: var(--yellow); }
.svc--dark .tags li { background: rgba(255,255,255,.1); color: #fff; }

/* ---------- Neumáticos ---------- */
.tires { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: center; }
.tires .section-title { max-width: 18ch; }
.checks { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 14px; }
.checks li { display: flex; align-items: center; gap: 12px; color: #e6e6e6; font-weight: 500; }
.checks li::before {
  content: ""; width: 22px; height: 22px; flex: none; border-radius: 50%;
  background: var(--yellow) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23080808' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 14px no-repeat;
}

.quote, .card-form {
  background: var(--canvas); color: var(--body);
  border-radius: var(--r-md);
  padding: 32px;
  box-shadow: var(--shadow-3);
  display: grid; gap: 16px;
}
.quote__head h3 { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; }
.quote__head p { color: var(--body-mid); font-size: 14px; margin-top: 4px; }
.sizeguide {
  display: flex; align-items: baseline; justify-content: center; gap: 6px;
  background: var(--ink); border-radius: var(--r-sm);
  padding: 18px 12px;
  font-family: var(--mono); font-size: clamp(28px, 4vw, 40px); font-weight: 500;
  color: #fff; letter-spacing: 0.02em;
}
.sizeguide b { color: var(--mute); font-weight: 400; }
.sizeguide span { color: var(--yellow); transition: color .15s; }
.sizeguide span.is-empty { color: #5a5a5a; }
.quote__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.quote__row--2 { grid-template-columns: 1fr 1fr; }
.quote__or {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; color: var(--mute);
}
.quote__or::before, .quote__or::after { content: ""; flex: 1; height: 1px; background: var(--hairline); }

.nosize {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--yellow-soft);
  border: 1px solid #f2dc6b;
  border-left: 4px solid var(--yellow);
  border-radius: var(--r-md);
  padding: 18px 18px 18px 16px;
}
.nosize__ic {
  width: 40px; height: 40px; flex: none; border-radius: var(--r-full);
  background: var(--ink); color: var(--yellow);
  display: grid; place-items: center;
}
.nosize__ic svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nosize__title { font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.nosize__text { margin-top: 4px; font-size: 14px; line-height: 1.5; color: var(--body); }
.nosize__btn { margin-top: 12px; padding: 8px 14px; font-size: 14px; border-color: var(--ink); background: transparent; }
.nosize__btn:hover { background: var(--ink); color: #fff; }

.hero__walkin {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 16px;
  font-size: 14px; color: var(--body);
}
.hero__walkin .icon { width: 18px; height: 18px; color: var(--ink); }
.hero__walkin strong { color: var(--ink); font-weight: 600; }

.field { display: grid; gap: 6px; }
.field > span { font-size: 14px; font-weight: 500; color: var(--ink); }
.field em { font-style: normal; color: var(--mute); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-size: 16px; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 88px; }
.field select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23080808' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M7 10l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; background-size: 18px;
  padding-right: 40px;
}
.field input::placeholder, .field textarea::placeholder { color: var(--mute-soft); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--yellow-soft);
}
.field input[aria-invalid="true"] { border-color: #ee1d36; }
.form-error { color: #c8102e; font-size: 14px; font-weight: 500; }

/* ---------- Por qué ---------- */
.why { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--hairline); }
.why__item { padding: 32px 28px 8px 0; }
.why__item + .why__item { padding-left: 28px; border-left: 1px solid var(--hairline); }
.why__num {
  display: inline-block; font-family: var(--mono); font-size: 14px; font-weight: 500; color: var(--ink);
  background: var(--yellow); border-radius: var(--r-sm); padding: 2px 8px;
}
.why__item h3 { font-size: 20px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.3; margin-top: 24px; }
.why__item p { margin-top: 12px; font-size: 15px; color: var(--body-mid); }

/* ---------- Seguimiento digital ---------- */
.track {
  margin-top: 72px;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center;
  background: var(--ink); color: #b5b5b5;
  border-radius: var(--r-md);
  padding: 56px;
  overflow: hidden;
  position: relative;
}
.track > * { min-width: 0; }
.track__title { color: #fff; font-size: clamp(28px, 3vw, 40px); line-height: 1.1; letter-spacing: -0.03em; max-width: 18ch; }
.track__lead { margin-top: 18px; font-size: 17px; line-height: 1.6; max-width: 52ch; }
.track__list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 24px 28px; }
.track__list li { display: flex; gap: 14px; align-items: flex-start; }
.track__list strong { display: block; color: #fff; font-weight: 500; font-size: 16px; letter-spacing: -0.01em; }
.track__list span:not(.track__ic) { display: block; margin-top: 4px; font-size: 14px; line-height: 1.55; color: #a3a3a3; }
.track__ic {
  width: 40px; height: 40px; flex: none; border-radius: var(--r-md);
  background: rgba(255, 208, 0, .12); color: var(--yellow);
  display: grid; place-items: center;
}
.track__ic svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.track__visual { position: relative; display: flex; justify-content: center; padding: 8px 0 8px 40px; }
.track__visual::before {
  content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%;
  background: var(--yellow); opacity: .9; top: 50%; left: 55%; transform: translate(-50%, -50%);
}
.phone {
  position: relative;
  width: 280px;
  background: #1c1c1c;
  border-radius: 38px;
  padding: 10px;
  box-shadow: 0 30px 60px rgba(0,0,0,.45), inset 0 0 0 1px #333;
}
.phone__screen {
  background: var(--canvas); color: var(--ink);
  border-radius: 29px;
  padding: 18px 16px 18px;
  display: grid; gap: 12px;
  font-size: 12.5px; line-height: 1.35;
}
.phone__top { display: flex; justify-content: space-between; align-items: center; }
.phone__brand { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13px; letter-spacing: -0.02em; }
.phone__brand i { width: 14px; height: 14px; border-radius: 3px; background: var(--yellow); }
.phone__live { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 550; color: #0a8a1f; }
.phone__live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #00c21f; box-shadow: 0 0 0 3px rgba(0,194,31,.18); }
.phone__car { background: var(--canvas-soft); border-radius: var(--r-md); padding: 10px 12px; display: grid; gap: 2px; }
.phone small { font-size: 10.5px; letter-spacing: .8px; text-transform: uppercase; color: var(--mute); font-weight: 500; }
.phone__car strong { font-size: 15px; font-weight: 600; letter-spacing: -0.02em; }
.plate {
  justify-self: start; margin-top: 4px;
  font-family: var(--mono); font-weight: 500; font-size: 12px;
  border: 1.5px solid var(--ink); border-radius: 3px; padding: 0 6px;
}
.phone__tl { list-style: none; margin: 0; padding: 0 0 0 4px; display: grid; gap: 0; }
.phone__tl li {
  position: relative; display: flex; justify-content: space-between;
  padding: 0 0 12px 22px; color: var(--mute);
}
.phone__tl li:last-child { padding-bottom: 0; }
.phone__tl li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--hairline); background: var(--canvas); box-sizing: border-box;
}
.phone__tl li:not(:last-child)::after {
  content: ""; position: absolute; left: 5px; top: 15px; bottom: 1px; width: 2px; background: var(--hairline);
}
.phone__tl b { font-weight: 500; }
.phone__tl span { font-family: var(--mono); font-size: 11.5px; }
.phone__tl li.done, .phone__tl li.now { color: var(--ink); }
.phone__tl li.done::before { background: var(--ink); border-color: var(--ink); }
.phone__tl li.done::after { background: var(--ink); }
.phone__tl li.now::before { background: var(--yellow); border-color: var(--ink); }
.phone__tl li.now b { font-weight: 600; }
.phone__extra {
  border: 1px solid #f2dc6b; background: var(--yellow-soft); border-left: 3px solid var(--yellow);
  border-radius: var(--r-sm); padding: 9px 10px; display: grid; gap: 3px;
}
.phone__extra strong { font-size: 12.5px; font-weight: 600; }
.pill { justify-self: start; font-size: 10.5px; font-weight: 550; background: var(--ink); color: var(--yellow); border-radius: var(--r-sm); padding: 1px 6px; margin-top: 2px; }
.phone__items { border-top: 1px solid var(--hairline); padding-top: 8px; display: grid; gap: 5px; }
.phone__items div { display: flex; justify-content: space-between; color: var(--body); }
.phone__items div span:last-child { color: #0a8a1f; font-weight: 600; }

.qr-card {
  position: absolute; left: 0; bottom: 36px;
  background: var(--canvas); color: var(--ink);
  border-radius: var(--r-md); padding: 12px;
  display: grid; justify-items: center; gap: 8px;
  box-shadow: var(--shadow-3);
  width: 124px;
}
.qr-card svg { width: 84px; height: 84px; fill: var(--ink); }
.qr-card span { font-size: 11.5px; font-weight: 550; line-height: 1.25; text-align: center; }

/* ---------- Proceso ---------- */
.steps__note {
  margin-top: 24px;
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--canvas); border: 1px solid var(--hairline); border-left: 4px solid var(--yellow);
  border-radius: var(--r-md);
  padding: 18px 20px;
  font-size: 15px; color: var(--body);
}
.steps__note .icon { width: 22px; height: 22px; color: var(--ink); margin-top: 1px; }
.steps__note strong { color: var(--ink); font-weight: 600; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.step {
  position: relative;
  background: var(--canvas); border: 1px solid var(--hairline); border-radius: var(--r-md);
  padding: 32px;
}
.step__n {
  width: 44px; height: 44px; border-radius: var(--r-full);
  display: grid; place-items: center;
  background: var(--ink); color: var(--yellow);
  font-weight: 600; font-size: 18px;
}
.step h3 { font-size: 20px; font-weight: 500; letter-spacing: -0.02em; margin-top: 24px; }
.step p { margin-top: 10px; font-size: 15px; color: var(--body-mid); }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 53px; right: -17px; width: 18px; height: 2px; background: var(--ink);
}

/* ---------- FAQ ---------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.faq-wrap .section-head { margin-bottom: 0; position: sticky; top: calc(var(--nav-h) + 32px); }
.faq { border-top: 1px solid var(--hairline); }
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 24px 0;
  font-size: 19px; font-weight: 500; color: var(--ink); letter-spacing: -0.02em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; width: 32px; height: 32px; flex: none; border-radius: var(--r-full);
  border: 1px solid var(--hairline);
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23080808' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center / 16px no-repeat;
  transition: transform .2s, background-color .2s, border-color .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); background-color: var(--yellow); border-color: var(--yellow); }
.faq summary:hover::after { border-color: var(--ink); }
.faq details p { padding: 0 56px 24px 0; color: var(--body-mid); }

/* ---------- Contacto ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.contact .section-title { max-width: 16ch; }
.contact__lines { display: grid; gap: 12px; margin-top: 36px; max-width: 360px; }
.contact__line {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,.55); border: 1px solid rgba(8,8,8,.12);
  border-radius: var(--r-md); padding: 14px 16px;
  font-size: 18px; font-weight: 500; color: var(--ink);
  transition: background-color .15s, border-color .15s;
}
.contact__line:hover { background: #fff; border-color: var(--ink); }
.contact__line small { display: block; font-size: 12px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; color: var(--body-mid); }
.contact__ic { width: 40px; height: 40px; border-radius: var(--r-full); background: var(--ink); color: var(--yellow); display: grid; place-items: center; flex: none; }
.contact__ic svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Footer ---------- */
.footer { background: var(--canvas); padding: 56px 0 32px; font-size: 14px; color: var(--body-mid); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; align-items: flex-start; }
.footer__tag { margin-top: 12px; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 24px; }
.footer__nav a, .footer__contact a { color: var(--ink); font-weight: 500; }
.footer__nav a:hover, .footer__contact a:hover { text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.footer__legal { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--hairline); color: var(--mute); font-size: 13px; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  width: 58px; height: 58px; border-radius: var(--r-full);
  background: var(--whatsapp); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 24px rgba(0,0,0,.18), 0 2px 6px rgba(0,0,0,.12);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Reseñas ---------- */
.band--tight-bottom { padding-bottom: 0; }
.reviews {
  display: grid; grid-template-columns: .8fr 1.2fr; gap: 0;
  border: 1px solid var(--hairline); border-radius: var(--r-md); overflow: hidden;
}
.reviews > * { min-width: 0; }
.reviews__score { background: var(--yellow); padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.reviews__score .eyebrow { color: var(--ink); }
.reviews__score .eyebrow::before { background: var(--ink); }
.reviews__rating { display: flex; align-items: center; gap: 20px; }
.reviews__num { font-size: clamp(64px, 7vw, 96px); font-weight: 600; letter-spacing: -0.04em; line-height: 1; color: var(--ink); }
.stars { display: flex; gap: 4px; }
.stars svg { width: 26px; height: 26px; fill: var(--ink); }
.reviews__count { margin-top: 8px; font-size: 14px; color: var(--ink-strong); max-width: 22ch; line-height: 1.4; }
.reviews__body { padding: 40px; }
.reviews__body .section-title { font-size: clamp(28px, 3vw, 38px); }
.reviews__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.reviews-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 40px; }
.reviews-head .btn { flex: none; }
.reviews-widget { min-height: 220px; }

/* ---------- Cómo llegar ---------- */
.location { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.location > * { min-width: 0; }
.location .section-title { font-size: clamp(28px, 3.4vw, 42px); max-width: 18ch; }
.location__list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 18px; }
.location__list li { display: flex; gap: 14px; align-items: flex-start; }
.location__list strong { display: block; color: var(--ink); font-weight: 500; }
.location__list span:not(.location__ic), .location__list a { display: block; color: var(--body-mid); font-size: 15px; }
.location__list a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.location__ic { width: 40px; height: 40px; flex: none; border-radius: var(--r-full); background: var(--ink); color: var(--yellow); display: grid; place-items: center; }
.location__ic svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.location__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.location__map {
  border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--hairline);
  box-shadow: var(--shadow-2); background: var(--canvas);
  aspect-ratio: 4 / 3;
}
.location__map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- Footer contacto ---------- */
.footer__contact { display: grid; gap: 6px; }
.footer__title { font-size: 12px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; color: var(--mute); }
.footer__contact a.footer__phone { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 500; color: var(--ink); }
.footer__phone-ic { width: 34px; height: 34px; border-radius: var(--r-full); background: var(--yellow); color: var(--ink); display: grid; place-items: center; flex: none; }
.footer__phone-ic svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.footer__addr { font-size: 13px; color: var(--body-mid); }

/* ---------- Monitor en vivo ---------- */
.monitor-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 40px; }
.monitor-head .section-title { max-width: 18ch; }
.monitor-head .btn { flex: none; }

.live-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  color: var(--ink); background: var(--yellow);
  border-radius: var(--r-sm); padding: 3px 8px;
}
.live-badge::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: #e0001b;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

.live-frame {
  border: 1px solid var(--hairline); border-radius: var(--r-md);
  overflow: hidden; background: var(--canvas);
  box-shadow: var(--shadow-2);
}
.live-frame__bar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px;
  background: var(--ink); color: #fff;
  font-size: 14px;
}
.live-frame__title { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.live-frame__open { margin-left: auto; color: var(--yellow); font-weight: 500; white-space: nowrap; }
.live-frame__open:hover { text-decoration: underline; text-underline-offset: 3px; }
.live-frame iframe { display: block; }

.nav__links a.nav__live { display: inline-flex; align-items: center; gap: 7px; }
.nav__links a.nav__live::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: #e0001b; flex: none;
  animation: pulse 1.6s ease-in-out infinite;
}
.nav__links a.nav__live[aria-current="page"]::after { transform: scaleX(1); }

/* Página monitor */
.page-hero { padding: 64px 0 40px; }
.page-hero .eyebrow::before { display: none; }
.page-hero .section-title { font-size: clamp(36px, 5vw, 64px); max-width: 16ch; }
.page-hero__meta { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 28px; font-size: 14px; color: var(--body); }
.page-hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.page-hero__meta .icon { width: 18px; height: 18px; color: var(--ink); }
.band--tight-top { padding-top: 0; }

/* Botón flotante monitor */
.monitor-float {
  position: fixed; right: 20px; bottom: 90px; z-index: 40;
  width: 58px; height: 58px; border-radius: var(--r-full);
  background: var(--ink); color: var(--yellow);
  display: grid; place-items: center;
  box-shadow: 0 10px 24px rgba(0,0,0,.18), 0 2px 6px rgba(0,0,0,.12);
  transition: transform .2s;
}
.monitor-float::after {
  content: ""; position: absolute; top: 4px; right: 4px; width: 12px; height: 12px; border-radius: 50%;
  background: #e0001b; border: 2px solid var(--canvas);
  animation: pulse 1.6s ease-in-out infinite;
}
.monitor-float:hover { transform: scale(1.06); }
.monitor-float svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.float-label {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translate(6px, -50%);
  background: var(--ink); color: #fff; white-space: nowrap;
  font-size: 13px; font-weight: 500; padding: 6px 10px; border-radius: var(--r-sm);
  opacity: 0; pointer-events: none; transition: opacity .15s, transform .15s;
}
.monitor-float:hover .float-label, .monitor-float:focus-visible .float-label { opacity: 1; transform: translate(0, -50%); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
.nav__links a { white-space: nowrap; }
@media (max-width: 1260px) {
  .nav__phone { display: none; }
  .nav__links { gap: 22px; }
}
@media (max-width: 1180px) and (min-width: 992px) {
  .nav__inner { gap: 20px; }
  .nav__links { gap: 16px; }
  .nav__links a:not(.btn) { font-size: 13px; }
}

@media (max-width: 991px) {
  :root { --section-y: 88px; --gutter: 24px; }

  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 8px var(--gutter) 24px;
    margin: 0;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
    box-shadow: 0 24px 24px rgba(0,0,0,.06);
  }
  .nav__links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__links a:not(.btn) { font-size: 18px; padding: 14px 0; border-bottom: 1px solid var(--hairline); }
  .nav__links a:not(.btn)::after { display: none; }
  .nav__links-cta { display: inline-flex; margin-top: 20px; }
  .nav__actions { margin-left: auto; }
  .nav__toggle { display: block; }

  .hero { padding: 48px 0 72px; }
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__panel { aspect-ratio: 4 / 3; }
  .tire { width: auto; height: 74%; }

  .services { grid-template-columns: 1fr 1fr; }
  .svc--dark { grid-column: span 2; }
  .why { grid-template-columns: 1fr 1fr; }
  .why__item:nth-child(3) { padding-left: 0; border-left: 0; }
  .why__item:nth-child(n+3) { border-top: 1px solid var(--hairline); margin-top: 24px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(2)::after { display: none; }

  .tires, .contact, .faq-wrap, .location { grid-template-columns: 1fr; gap: 48px; }
  .reviews { grid-template-columns: 1fr; }
  .track { grid-template-columns: 1fr; padding: 40px; gap: 48px; }
  .track__visual { padding: 8px 0 8px 56px; }
  .faq-wrap .section-head { position: static; }
}

@media (max-width: 767px) {
  :root { --section-y: 72px; --gutter: 16px; }
  .section-head { margin-bottom: 40px; }
  .section-sub { font-size: 16px; }
  .nav__cta { display: none; }

  .hero__ctas .btn { width: 100%; }
  .btn { white-space: normal; text-align: center; }
  .sizeguide { font-size: 28px; }
  .hero__panel { aspect-ratio: 1 / 1; }
  .chip { font-size: 12.5px; padding: 6px 10px; }
  .spec__value { font-size: 16px; }

  .strip__track { font-size: 16px; gap: 20px; padding: 16px 0; }

  .services { grid-template-columns: 1fr; }
  .svc--feature, .svc--cta, .svc--dark { grid-column: auto; }
  .svc { padding: 24px; }

  .why { grid-template-columns: 1fr; }
  .why__item, .why__item + .why__item { padding: 28px 0 0; border-left: 0; }
  .why__item + .why__item { border-top: 1px solid var(--hairline); margin-top: 24px; }

  .steps { grid-template-columns: 1fr; }
  .track { padding: 28px 20px; margin-top: 48px; }
  .track__list { grid-template-columns: 1fr; }
  .track__visual { padding: 0; }
  .track__visual::before { width: 280px; height: 280px; left: 50%; }
  .phone { width: 260px; }
  .qr-card { display: none; }
  .step::after { display: none; }
  .step { padding: 24px; }

  .quote, .card-form { padding: 24px; }
  .quote__row--2 { grid-template-columns: 1fr; }
  .faq summary { font-size: 17px; }
  .faq details p { padding-right: 0; }

  .footer__inner { flex-direction: column; }

  .monitor-head, .reviews-head { flex-direction: column; align-items: flex-start; }
  .reviews-head .btn { width: 100%; }
  .reviews__score, .reviews__body { padding: 28px 22px; }
  .stars svg { width: 22px; height: 22px; }
  .location__map { aspect-ratio: 1 / 1; }
  .location__ctas .btn, .reviews__ctas .btn { flex: 1 1 auto; }
  .live-frame__title { display: none; }
  .live-frame iframe { height: 640px !important; }
  .page-hero { padding: 40px 0 32px; }
  .wa-float, .monitor-float { width: 52px; height: 52px; right: 16px; }
  .wa-float { bottom: 16px; }
  .monitor-float { bottom: 78px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tire, .strip__track, .live-badge::before, .nav__live::before, .monitor-float::after { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0s !important; }
}