/* ============ TIPOGRAFÍA (alojada en la propia web) ============ */
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/instrument-sans-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/instrument-sans-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ============ TOKENS ============ */
:root {
  --bg: #0d0e10;
  --surface: #15171b;
  --surface-2: #1c1f24;
  --border: #272b32;
  --border-strong: #353b44;

  --text: #f1f3f6;
  --muted: #8b95a3;

  /* Azul grisáceo */
  --accent: #a8bbd0;
  --accent-hover: #c0d0e1;
  --accent-deep: #5f7590;
  --on-accent: #0d0e10;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --font: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-script: "Mrs Saint Delafield", cursive;

  --nav-h: 68px;
  --ease: cubic-bezier(.22, .8, .24, 1);

  color-scheme: dark;
}

/* ============ BASE ============ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; line-height: 1.15; font-weight: 600; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-muted { color: var(--muted); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

.icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ============ BOTONES ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  font: 600 15px/1 var(--font);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.btn:active { transform: scale(.97); }
.btn .icon { transition: transform .2s var(--ease); }
.btn:hover .icon { transform: translateX(2px); }

.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); }

.btn--ghost { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--accent-deep); background: #22262c; }

.btn--sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn--block { width: 100%; }

/* ============ NAVEGACIÓN ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background-color .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(13, 14, 16, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

/* Logo: dos nodos conectados */
.logo-mark { width: 30px; height: 30px; flex-shrink: 0; overflow: visible; }
.logo-mark__line { stroke: var(--muted); stroke-width: 2.5; stroke-linecap: round; }
.logo-mark__node { fill: var(--accent); }
.logo-mark__ring { fill: var(--bg); stroke: var(--text); stroke-width: 2.5; }

.nav__links {
  display: flex;
  gap: 4px;
}
.nav__link {
  position: relative;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--radius-sm);
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link.is-active { color: var(--text); background: var(--surface-2); }
.nav__link--mobile-only { display: none; }

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s var(--ease);
}
.nav__toggle span:first-child { top: 17px; }
.nav__toggle span:last-child { top: 25px; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 48px) 0 0;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, 56px);
  grid-auto-rows: 56px;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 85%);
          mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 85%);
}
.hero__grid span {
  border: 1px solid rgba(255, 255, 255, .025);
  background: rgba(168, 187, 208, var(--o, 0));
  transition: background-color 1.6s ease;
}

.hero__content { position: relative; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 14px 5px 5px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .02em;
  text-transform: uppercase;
}
.badge__avatar {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.badge__avatar .logo-mark { width: 16px; height: 16px; }
.badge__avatar .logo-mark__ring { fill: var(--surface-2); }
.badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(168, 187, 208, .15);
}

.hero__title {
  margin-top: 28px;
  max-width: 17ch;
  font-size: clamp(2.4rem, 6.2vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
  text-wrap: balance;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

/* Franja de tecnologías */
.marquee {
  position: relative;
  margin-top: 88px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee__list {
  display: flex;
  gap: 64px;
  padding-right: 64px;
}
.marquee__list li {
  font-size: 18px;
  font-weight: 600;
  color: #5b6370;
  white-space: nowrap;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ SECCIONES ============ */
.section { padding: 120px 0; }
.section + .section { border-top: 1px solid var(--border); }

.section__head { margin-bottom: 56px; max-width: 720px; }
.section__head--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
  flex-wrap: wrap;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
}

.section__title {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

/* ============ TARJETAS ============ */
.cards { display: grid; gap: 16px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  margin: 0;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}
.card:hover { border-color: var(--border-strong); background: #181a1f; }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--muted); }

.card__icon {
  width: 44px;
  height: 44px;
  padding: 10px;
  margin-bottom: 24px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============ PROYECTOS ============ */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.project {
  display: block;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .25s var(--ease);
}
.project:hover { border-color: var(--border-strong); }

.project__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  place-items: end center;
  padding-top: 40px;
}
.project__thumb--a { background: linear-gradient(140deg, #2b3542, #171b21); }
.project__thumb--b { background: linear-gradient(140deg, #3a3f47, #1a1c20); }
.project__thumb--c { background: linear-gradient(140deg, #22303f, #12161b); }
.project__thumb--d { background: linear-gradient(140deg, #34404d, #191d22); }

.mock {
  width: 78%;
  height: 82%;
  background: #0f1114;
  border: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .5s var(--ease);
}
.mock span { display: block; height: 10px; border-radius: 4px; background: #262a31; }
.mock span:nth-child(1) { width: 70%; height: 16px; background: #3a4350; }
.mock span:nth-child(2) { width: 50%; }
.mock span:nth-child(3) { width: 28%; height: 22px; margin-top: 8px; background: var(--accent-deep); }
.project:hover .mock { transform: translateY(-6px); }

.project__info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 8px 8px;
}
.project__info h3 { font-size: 18px; margin-bottom: 8px; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span {
  padding: 3px 10px;
  font-size: 12px;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.project__arrow {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  flex-shrink: 0;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.project:hover .project__arrow { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

/* ============ PROCESO ============ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  counter-reset: none;
}
.step {
  padding: 28px;
  border-top: 1px solid var(--border-strong);
  background: linear-gradient(180deg, var(--surface), transparent);
  border-radius: var(--radius) var(--radius) 0 0;
}
.step__num {
  display: block;
  margin-bottom: 40px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 20px; margin-bottom: 10px; }
.step p { color: var(--muted); }

/* ============ PRECIOS ============ */
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.pricing { align-items: stretch; max-width: 880px; margin-inline: auto; }
.plan__once { display: block; margin-top: 6px; font-size: 14px; font-weight: 500; letter-spacing: 0; color: var(--accent); }
.section__sub { margin-top: 12px; }

/* Reseñas de Google */
.review {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 32px;
  text-align: center;
  background: radial-gradient(ellipse at top, rgba(168, 187, 208, .1), transparent 70%), var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.review .stars { font-size: 22px; margin-bottom: 20px; }
.review .section__title { margin-bottom: 16px; }
.review > p.text-muted { max-width: 46ch; margin: 0 auto 32px; }
.btn--google { background: #fff; color: #1f1f1f; min-height: 52px; padding: 0 24px; font-size: 16px; }
.btn--google:hover { background: #e8ecf1; }
.google-g { width: 22px; height: 22px; }
.promo {
  max-width: 880px;
  margin: 16px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  flex-wrap: wrap;
  padding: 20px 24px;
  border: 1px dashed var(--accent-deep);
  border-radius: var(--radius);
  background: rgba(168, 187, 208, .06);
}
.promo p { flex: 1 1 300px; }
.plan__note { margin: -16px 0 24px; font-size: 13px; }
.plan { display: flex; flex-direction: column; position: relative; }
.plan h3 { margin-bottom: 4px; }
.plan__desc { font-size: 15px; }
.plan__price {
  margin: 28px 0;
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text) !important;
  font-variant-numeric: tabular-nums;
}
.plan__from { display: block; font-size: 13px; font-weight: 500; letter-spacing: 0; color: var(--muted); }

.checklist { display: grid; gap: 12px; margin-bottom: 32px; flex: 1; }
.checklist li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
  font-size: 15px;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(168, 187, 208, .15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a8bbd0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center / 10px no-repeat;
}

.plan--featured {
  background: linear-gradient(180deg, #1d232b, var(--surface));
  border-color: var(--accent-deep);
}
.plan--featured:hover { border-color: var(--accent); background: linear-gradient(180deg, #1f262f, var(--surface)); }
.plan__tag {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--on-accent) !important;
  background: var(--accent);
  border-radius: 999px;
}

/* ============ SOBRE MÍ ============ */
.about {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: 56px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.about__text {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.signature { margin-top: 28px; line-height: 0; }
.signature .logo-mark { width: 48px; height: 48px; }
.signature .logo-mark__ring { fill: var(--surface); }
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stats div { display: flex; flex-direction: column-reverse; gap: 4px; }
.stats dt { font-size: 14px; color: var(--muted); }
.stats dd {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stats dd span { color: var(--accent); }

/* ============ OPINIONES ============ */
.quote { display: flex; flex-direction: column; gap: 20px; }
.stars { color: var(--accent) !important; letter-spacing: 3px; font-size: 15px; }
.quote blockquote { margin: 0; flex: 1; font-size: 17px; color: var(--text); }
.quote figcaption { display: flex; align-items: center; gap: 12px; font-size: 14px; line-height: 1.4; }
.avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* ============ FAQ ============ */
.faq {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.faq .section__head { margin-bottom: 0; }
.faq__list { display: grid; gap: 10px; }
.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .2s var(--ease);
}
.faq__item[open] { border-color: var(--border-strong); }
.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 60px;
  padding: 16px 22px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "";
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translateY(-3px);
  transition: transform .25s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq__item p { padding: 0 22px 20px; color: var(--muted); }

/* ============ CONTACTO ============ */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact__intro .section__title { margin-bottom: 16px; }
.contact__mail {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  font-size: 18px;
  font-weight: 500;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 4px;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.contact__mail:hover { color: var(--accent); border-color: var(--accent); }

.form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 500; }
.field label span { color: var(--accent); }
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font: 16px/1.4 var(--font);
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color .2s var(--ease);
}
.field textarea { resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(168, 187, 208, .18); }
.field [aria-invalid="true"] { border-color: #e2808a; }
.check {
  display: flex !important;
  align-items: flex-start;
  gap: 12px;
  font-weight: 400 !important;
  color: var(--muted);
  cursor: pointer;
}
.check input {
  width: 20px;
  height: 20px;
  min-height: 0;
  margin: 2px 0 0;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.check a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.check a:hover { color: var(--accent); }
.field__error { font-size: 13px; color: #f0a3ab !important; min-height: 0; }
.field__error:empty { display: none; }
.form__status { font-size: 14px; color: var(--accent) !important; text-align: center; }
.form__status:empty { display: none; }

/* ============ PIE ============ */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
  overflow: hidden;
}
.footer__big {
  font-size: clamp(3rem, 13vw, 10rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  white-space: nowrap;
  line-height: 1;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-strong);
  user-select: none;
  padding: 20px 0 40px;
}
.footer__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
}
.footer__links { display: flex; gap: 20px; }
.footer__links a { color: var(--muted); transition: color .2s var(--ease); }
.footer__links a:hover { color: var(--text); }

/* ============ PÁGINAS LEGALES ============ */
.legal {
  max-width: 760px;
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 96px;
}
.legal h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 500; letter-spacing: -0.03em; }
.legal__updated { margin: 12px 0 40px; color: var(--muted); font-size: 14px; }
.legal h2 { font-size: 20px; margin: 40px 0 12px; }
.legal p, .legal li { color: #b7bfca; }
.legal p + p { margin-top: 12px; }
.legal ul { display: grid; gap: 8px; padding-left: 20px; list-style: disc; margin-top: 12px; }
.legal strong { color: var(--text); font-weight: 600; }
.legal a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.footer--simple { padding: 28px 0; }
.footer__links a[aria-current="page"] { color: var(--text); }

/* ============ 404 ============ */
.notfound {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
}
.notfound__logo { width: 64px; height: 64px; margin-bottom: 8px; }
.notfound .eyebrow { margin-bottom: 0; }
.notfound .btn { margin-top: 16px; }

/* ============ ANIMACIÓN DE ENTRADA ============ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .cards--3 { grid-template-columns: repeat(2, 1fr); }
  .pricing, .quotes { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .faq, .contact { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav__toggle { display: block; }
  .nav__cta { display: none; }
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px 20px;
    background: rgba(13, 14, 16, .97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  }
  .nav__links.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav__link { padding: 14px 12px; font-size: 16px; }
  .nav__link--mobile-only { display: block; }
  .nav.menu-open { background: rgba(13, 14, 16, .97); border-bottom-color: var(--border); }
}

@media (max-width: 700px) {
  .container { padding: 0 16px; }
  .section { padding: 80px 0; }
  .section__head { margin-bottom: 36px; }
  .cards--3, .projects, .steps { grid-template-columns: 1fr; }
  .about { padding: 32px 24px; }
  .stats { grid-template-columns: 1fr; gap: 20px; }
  .card { padding: 24px; }
  .hero__actions .btn { flex: 1 1 auto; }
  .marquee { margin-top: 64px; }
  .footer__row { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}