/* IMA Engineering — estilos del sitio */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-latin.woff2") format("woff2");
}

:root {
  --bg: #0b0c0f;
  --bg-alt: #0f1115;
  --surface: #14171c;
  --surface-2: #1a1e25;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f2f4f7;
  --text-2: #b4bac4;   /* ~9:1 sobre --bg */
  --text-3: #8b929e;   /* ~6:1 sobre --bg */
  --accent: #6cb4ff;
  --accent-soft: rgba(108, 180, 255, 0.12);
  --alert: #ff8a7a;
  --ok: #5fd39a;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius: 14px;
  --radius-lg: 20px;
  --header-h: 68px;
  --gutter: 24px;
  --max: 1160px;
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: calc(var(--max) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute; left: 16px; top: -100px;
  z-index: 200;
  background: var(--text); color: var(--bg);
  padding: 10px 16px; border-radius: 8px;
  text-decoration: none; font-weight: 500;
}
.skip-link:focus { top: 12px; }

.anchor-alias { position: relative; top: calc(-1 * var(--header-h)); display: block; height: 0; }

/* ---------- Typography ---------- */
h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.25rem, 5.2vw, 3.75rem); letter-spacing: -0.035em; line-height: 1.05; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); letter-spacing: -0.03em; }
h3 { font-size: 1.125rem; }
h1, h2 { text-wrap: balance; }
p { text-wrap: pretty; }

.text-dim { color: var(--text-3); }

.eyebrow, .mono-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow { display: block; margin-bottom: 16px; }
.mono-label { display: inline-block; }
.mono-label.dim { color: var(--text-3); }
.mono-label.alert { color: var(--alert); }
.center { text-align: center; }

.lead { font-size: clamp(1.0625rem, 1.6vw, 1.1875rem); color: var(--text-2); max-width: 36em; }
.section-lead { color: var(--text-2); font-size: 1.0625rem; max-width: 40em; margin-top: 16px; }
.fineprint { font-size: 0.8125rem; color: var(--text-3); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9375rem; font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: #ffffff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.28); }
.btn-outline { background: var(--accent-soft); color: var(--accent); border-color: rgba(108,180,255,.3); }
.btn-outline:hover { background: rgba(108,180,255,.2); }
.btn-sm { min-height: 38px; padding: 8px 16px; font-size: 0.875rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(11, 12, 15, 0.82);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark { width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.brand-name { font-weight: 600; letter-spacing: -0.02em; font-size: 1.0625rem; }
.brand-name span { color: var(--text-3); font-weight: 500; }

.site-nav { margin-left: auto; }
.site-nav ul { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) {
  color: var(--text-2); text-decoration: none; font-size: 0.9375rem;
  transition: color .2s ease;
}
.site-nav a:not(.btn):hover { color: var(--text); }
.nav-cta-mobile { display: none; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  display: inline-flex; padding: 3px; gap: 2px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface);
}
.lang-btn {
  font-family: var(--mono); font-size: 0.75rem; font-weight: 500; letter-spacing: .04em;
  min-width: 38px; min-height: 30px; padding: 4px 10px;
  border: 0; border-radius: 999px; background: transparent; color: var(--text-3);
  cursor: pointer; transition: background-color .2s, color .2s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn[aria-pressed="true"] { background: var(--surface-2); color: var(--text); }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); cursor: pointer;
  position: relative;
}
.menu-toggle span {
  position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--text);
  transition: transform .25s ease;
}
.menu-toggle span:first-child { top: 17px; }
.menu-toggle span:last-child { top: 25px; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 72px) 0 88px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 75% 20%, rgba(108,180,255,.10), transparent 70%),
    radial-gradient(40% 40% at 10% 90%, rgba(255,255,255,.04), transparent 70%);
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 30%, #000 20%, transparent 80%);
  mask-image: radial-gradient(70% 70% at 50% 30%, #000 20%, transparent 80%);
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  gap: 56px;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 24px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.incident-link {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 28px;
  color: var(--text-2); text-decoration: none; font-size: 0.9375rem;
  transition: color .2s;
}
.incident-link:hover { color: var(--text); }
.incident-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.incident-link:hover svg { transform: translateX(3px); }
.pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--alert); flex: none;
  box-shadow: 0 0 0 0 rgba(255,138,122,.6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,138,122,.55); }
  70%, 100% { box-shadow: 0 0 0 10px rgba(255,138,122,0); }
}

.hero-card {
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.01)), var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.7);
}
.hero-card-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.hero-card h2 { font-size: 1.375rem; letter-spacing: -0.02em; margin-bottom: 10px; }
.hero-card > p { color: var(--text-2); font-size: 0.9375rem; }
.function-list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin: 22px 0 24px;
}
.function-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 10px;
  background: rgba(255,255,255,.02);
  font-size: 0.875rem; color: var(--text-2);
}
.fn-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }
.hero-card .fineprint { margin-top: 12px; text-align: center; }

/* ---------- Frameworks ---------- */
.frameworks { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); padding: 32px 0; }
.frameworks .mono-label { display: block; color: var(--text-3); margin-bottom: 18px; }
.fw-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 12px; }
.fw-list li {
  font-family: var(--mono); font-size: 0.8125rem; color: var(--text-2);
  padding: 7px 14px; border: 1px solid var(--border); border-radius: 999px;
}

/* ---------- Sections ---------- */
.section { padding: 112px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .section-lead { margin-left: auto; margin-right: auto; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.service-card {
  display: flex; flex-direction: column;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .25s ease, background-color .25s ease;
}
.service-card:hover { border-color: var(--border-strong); background: var(--surface-2); }
.service-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--accent-soft); border: 1px solid rgba(108,180,255,.22);
  margin-bottom: 22px;
}
.service-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin-bottom: 10px; }
.service-card > p { color: var(--text-2); font-size: 0.9375rem; }
.service-card > p { margin-bottom: 20px; }
.deliverables { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--border); display: grid; gap: 8px; }
.deliverables li {
  position: relative; padding-left: 20px;
  font-size: 0.875rem; color: var(--text-2);
}
.deliverables li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 8px; height: 1.5px; background: var(--accent);
}

/* Method */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: none; }
.step {
  position: relative;
  padding: 28px 24px 28px;
  border-top: 1px solid var(--border-strong);
}
.step::before {
  content: ""; position: absolute; top: -1px; left: 0; width: 40px; height: 2px; background: var(--accent);
}
.step-num { font-family: var(--mono); font-size: 0.8125rem; color: var(--text-3); display: block; margin-bottom: 18px; }
.step h3 { margin-bottom: 10px; font-size: 1.1875rem; }
.step p { color: var(--text-2); font-size: 0.9375rem; }

/* Diagnostic */
.diag-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 64px; align-items: start; }
.diag-layout .btn { margin-top: 32px; }
.diag-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px;
}
.check-list { margin-top: 20px; display: grid; gap: 0; }
.check-list li {
  display: grid; grid-template-columns: 22px 1fr; column-gap: 14px;
  padding: 16px 0; border-top: 1px solid var(--border);
}
.check-list li:first-child { border-top: 0; padding-top: 4px; }
.check-list li::before {
  content: ""; grid-row: span 2;
  width: 20px; height: 20px; margin-top: 2px; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.2l2.6 2.6L14 7.4' fill='none' stroke='%236cb4ff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat;
}
.check-list strong { font-weight: 600; }
.check-list span { color: var(--text-2); font-size: 0.9375rem; }

/* Assessment */
.assess {
  max-width: 760px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 36px;
}
.assess-noscript { color: var(--text-2); text-align: center; }
.assess-meta { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.progress-track { height: 3px; background: var(--border); border-radius: 3px; overflow: hidden; margin-bottom: 32px; }
.progress-bar { height: 100%; width: 0; background: var(--accent); transition: width .35s ease; }
.assess-form fieldset { border: 0; min-width: 0; }
.assess-form legend { font-size: clamp(1.1875rem, 2.4vw, 1.375rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.3; padding: 0; }
.assess-hint { color: var(--text-3); font-size: 0.9375rem; margin-top: 8px; }
.options { display: grid; gap: 10px; margin-top: 24px; }
.option {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--border); border-radius: 12px;
  background: rgba(255,255,255,.015);
  cursor: pointer;
  transition: border-color .2s, background-color .2s;
}
.option:hover { border-color: var(--border-strong); }
.option input {
  -webkit-appearance: none; appearance: none;
  flex: none; width: 18px; height: 18px; margin-top: 2px;
  border: 1.5px solid var(--text-3); border-radius: 50%;
  display: grid; place-items: center; cursor: pointer;
}
.option input::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--bg); transform: scale(0); transition: transform .15s; }
.option input:checked { border-color: var(--accent); background: var(--accent); }
.option input:checked::after { transform: scale(1); }
.option input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.option.is-checked { border-color: rgba(108,180,255,.5); background: var(--accent-soft); }
.option-text strong { display: block; font-weight: 500; font-size: 0.9375rem; }
.option-text span { display: block; color: var(--text-3); font-size: 0.875rem; }
.assess-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; }
.assess-error { color: var(--alert); font-size: 0.875rem; margin-top: 12px; min-height: 1.2em; }

.assess-result:focus { outline: none; }
.result-head { text-align: center; margin-bottom: 32px; }
.result-level {
  display: inline-block; margin: 12px 0 10px;
  font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 600; letter-spacing: -0.03em;
}
.result-head p { color: var(--text-2); max-width: 34em; margin: 0 auto; }
.result-bars { display: grid; gap: 14px; margin-bottom: 32px; }
.result-row { display: grid; grid-template-columns: 120px 1fr 104px; gap: 14px; align-items: center; font-size: 0.9375rem; }
.result-row .track { height: 8px; border-radius: 8px; background: rgba(255,255,255,.06); overflow: hidden; }
.result-row .fill { height: 100%; border-radius: 8px; background: var(--accent); width: 0; transition: width .6s ease; }
.result-row .lvl { font-family: var(--mono); font-size: 0.75rem; color: var(--text-3); text-align: right; text-transform: uppercase; letter-spacing: .04em; }
.result-row.is-low .fill { background: var(--alert); }
.result-recs { border-top: 1px solid var(--border); padding-top: 24px; }
.result-recs h3 { margin-bottom: 14px; }
.result-recs ol { display: grid; gap: 14px; counter-reset: rec; }
.result-recs li { counter-increment: rec; display: grid; grid-template-columns: 28px 1fr; gap: 10px; color: var(--text-2); font-size: 0.9375rem; }
.result-recs li::before { content: counter(rec, decimal-leading-zero); font-family: var(--mono); font-size: 0.8125rem; color: var(--accent); padding-top: 2px; }
.result-recs li strong { color: var(--text); font-weight: 600; }
.result-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.result-note { margin-top: 18px; font-size: 0.8125rem; color: var(--text-3); }

/* Principles */
.principles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.principle { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.principle h3 { margin-bottom: 8px; font-size: 1.0625rem; }
.principle p { color: var(--text-2); font-size: 0.9375rem; }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 64px; align-items: start; }
.faq-list { border-top: 1px solid var(--border); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 20px;
  padding: 20px 0; font-weight: 500; font-size: 1.0313rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ""; flex: none; width: 12px; height: 12px; margin-top: 7px;
  border-right: 1.5px solid var(--text-3); border-bottom: 1.5px solid var(--text-3);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform .25s ease;
}
.faq-list details[open] summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
.faq-list summary:hover { color: #fff; }
.faq-list details p { color: var(--text-2); padding: 0 32px 22px 0; }

/* Contact */
.contact-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 64px; align-items: start; }
.contact-info { margin-top: 32px; display: grid; gap: 12px; }
.contact-info li {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
}
.contact-info svg { width: 22px; height: 22px; flex: none; fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.contact-info .mono-label { display: block; color: var(--text-3); font-size: 0.6875rem; margin-bottom: 2px; }
.contact-info a { text-decoration: none; word-break: break-all; }
.contact-info a:hover { text-decoration: underline; text-underline-offset: 3px; }
.incident-box {
  margin-top: 20px; padding: 18px; border-radius: var(--radius);
  border: 1px solid rgba(255,138,122,.28); background: rgba(255,138,122,.06);
}
.incident-box p:last-child { color: var(--text-2); font-size: 0.9375rem; margin-top: 4px; }

.contact-form {
  display: grid; gap: 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; min-width: 0; }
.field label { font-size: 0.875rem; font-weight: 500; color: var(--text-2); }
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 12px 14px; min-height: 46px;
  font-size: 1rem; /* evita el zoom automático de iOS */
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none; appearance: none;
}
.field textarea { resize: vertical; min-height: 132px; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); opacity: 1; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,180,255,.18);
}
.field [aria-invalid="true"] { border-color: var(--alert); }
.select-wrap { position: relative; }
.select-wrap::after {
  content: ""; position: absolute; right: 16px; top: 50%; pointer-events: none;
  width: 8px; height: 8px; margin-top: -6px;
  border-right: 1.5px solid var(--text-3); border-bottom: 1.5px solid var(--text-3);
  transform: rotate(45deg);
}
.field select { padding-right: 40px; cursor: pointer; }
.field select option { background: var(--surface); color: var(--text); }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 0.875rem; color: var(--text-2); cursor: pointer; }
.consent input {
  -webkit-appearance: none; appearance: none;
  flex: none; width: 18px; height: 18px; margin-top: 2px;
  border: 1.5px solid var(--text-3); border-radius: 5px; cursor: pointer;
  display: grid; place-items: center;
}
.consent input:checked { background: var(--accent); border-color: var(--accent); }
.consent input:checked::after {
  content: ""; width: 9px; height: 5px; margin-top: -2px;
  border-left: 2px solid var(--bg); border-bottom: 2px solid var(--bg); transform: rotate(-45deg);
}
.consent input[aria-invalid="true"] { border-color: var(--alert); }
.consent a { color: var(--accent); text-underline-offset: 3px; }
.contact-form .btn { justify-self: start; }
.form-status { font-size: 0.9375rem; min-height: 1.5em; }
.form-status.is-error { color: var(--alert); }
.form-status.is-ok { color: var(--ok); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 40px; background: var(--bg-alt); }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 28px 40px; align-items: start; }
.footer-tag { color: var(--text-3); font-size: 0.875rem; margin-top: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: flex-end; }
.footer-links a { color: var(--text-2); text-decoration: none; font-size: 0.875rem; }
.footer-links a:hover { color: var(--text); }
.footer-copy { grid-column: 1 / -1; color: var(--text-3); font-size: 0.8125rem; padding-top: 24px; border-top: 1px solid var(--border); }

/* Reveal: JS solo oculta lo que está fuera de pantalla al cargar */
.reveal { transition: opacity .7s ease, transform .7s ease; }
.reveal.is-pending { opacity: 0; transform: translateY(16px); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps, .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    margin: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 48px -12px rgba(0,0,0,.6);
    padding: 12px var(--gutter) 24px;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    visibility: hidden; opacity: 0; transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
  }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: none; transition: opacity .2s ease, transform .2s ease; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li a:not(.btn) { display: block; padding: 14px 0; font-size: 1.0625rem; color: var(--text); border-bottom: 1px solid var(--border); }
  .nav-cta-mobile { display: block; margin-top: 20px; }
  .menu-toggle { display: block; }
  .header-cta { display: none; }
  .header-actions { margin-left: auto; }

  .hero { padding: calc(var(--header-h) + 48px) 0 72px; }
  .hero-inner, .diag-layout, .faq-layout, .contact-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 40px; }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; --header-h: 60px; }
  .services-grid, .steps, .principles { grid-template-columns: minmax(0, 1fr); }
  .hero-ctas .btn { flex: 1 1 100%; }
  .function-list { grid-template-columns: 1fr 1fr; }
  .hero-card, .diag-panel, .contact-form { padding: 22px; }
  .assess { padding: 22px 18px; }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .contact-form .btn { justify-self: stretch; }
  .result-row { grid-template-columns: 1fr auto; row-gap: 6px; }
  .result-row .track { grid-column: 1 / -1; grid-row: 2; }
  .assess-nav .btn { flex: 1; }
  .footer-inner { grid-template-columns: minmax(0, 1fr); }
  .footer-links { justify-content: flex-start; }
  .faq-list details p { padding-right: 0; }
}

@media (max-width: 359px) {
  .brand-name span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal.is-pending { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero-card, .assess, .contact-form, .incident-link { display: none; }
  body { background: #fff; color: #000; }
}

/* Páginas secundarias (aviso de privacidad, 404) */
.legal { padding: calc(var(--header-h) + 64px) 0 96px; }
.legal-inner { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: 8px; }
.legal-updated { color: var(--text-3); font-size: 0.875rem; margin-bottom: 40px; }
.legal h2 { font-size: 1.25rem; margin: 40px 0 12px; }
.legal p, .legal li { color: var(--text-2); }
.legal p + p { margin-top: 12px; }
.legal ul { margin: 12px 0; display: grid; gap: 8px; }
.legal li { position: relative; padding-left: 20px; }
.legal li::before { content: ""; position: absolute; left: 0; top: 0.75em; width: 8px; height: 1.5px; background: var(--accent); }
.legal a:not(.btn) { color: var(--accent); text-underline-offset: 3px; }
.legal-back { margin-top: 48px; }
.notfound { min-height: 100vh; display: flex; align-items: center; padding: 64px 0; }
.notfound h1 { margin-bottom: 16px; }
.brand + .header-actions { margin-left: auto; }