/* Manufacturas SYS - hoja de estilos
   Paleta: azul marino, crema y un acento terracota (hilo/costura). */

:root {
  --ink: #15233B;
  --ink-soft: #3C4A60;
  --cream: #F6F2EB;
  --cream-2: #ECE6DA;
  --white: #FFFFFF;
  --accent: #B5532E;
  --accent-dark: #93421F;
  --line: #D9D2C4;
  --radius: 10px;
  --max: 1120px;
  --font-body: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-title: "DM Serif Display", Georgia, "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3 { margin: 0 0 .6em; line-height: 1.2; font-weight: 400; letter-spacing: 0; }
h1, h2 { font-family: var(--font-title); }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
h3 { font-family: var(--font-body); font-weight: 700; font-size: 1.1rem; }
p { margin: 0 0 1em; }

.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--cream); padding: .6rem 1rem; z-index: 100;
}
.skip:focus { left: 0; }

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

/* Botones */
.btn {
  display: inline-block;
  padding: .85rem 1.5rem;
  background: var(--accent);
  color: var(--white);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  font: 700 1rem/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--cream); }
.btn--small { padding: .55rem 1.1rem; font-size: .95rem; }

/* Cabecera */
.header {
  position: sticky; top: 0; z-index: 50;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.header__in { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 1rem; }

.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); }
.brand__name { font-size: 1.15rem; letter-spacing: .01em; }
.brand__name strong { font-weight: 700; }

.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { text-decoration: none; font-weight: 500; font-size: .98rem; }
.nav a:not(.btn):hover { color: var(--accent); }
.nav .btn { color: var(--white); }

.menu-btn {
  display: none;
  background: transparent; border: 2px solid var(--ink); color: var(--ink);
  border-radius: var(--radius); padding: .45rem .9rem;
  font: 700 .95rem var(--font-body); cursor: pointer;
}

/* Hero */
.hero { padding: clamp(3rem, 8vw, 6rem) 0; background: var(--cream); }
.hero__in { display: grid; grid-template-columns: 1.3fr 1fr; gap: 3rem; align-items: center; }
.eyebrow {
  display: inline-block; margin-bottom: 1rem;
  font-weight: 700; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
}
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 36em; }
.actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.6rem; }

.hero__points {
  list-style: none; margin: 0; padding: 1.6rem;
  background: var(--ink); color: var(--cream);
  border-radius: calc(var(--radius) + 4px);
  display: grid; gap: 1.3rem;
}
.hero__points li { display: grid; gap: .2rem; padding-left: 1.1rem; border-left: 3px solid var(--accent); }
.hero__points strong { font-size: 1.05rem; }
.hero__points span { font-size: .95rem; color: #D5D9E1; }

/* Secciones */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section--alt { background: var(--cream-2); }
.section__head { max-width: 40em; margin-bottom: 2.2rem; }
.section__head p { color: var(--ink-soft); margin: 0; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card {
  display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem;
}
.card p { color: var(--ink-soft); flex: 1; }
.card a { font-weight: 700; color: var(--accent); text-decoration: none; }
.card a:hover { text-decoration: underline; text-underline-offset: 3px; }
.note { margin-top: 1.6rem; color: var(--ink-soft); }

/* Proceso */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.steps li { padding-top: 1rem; border-top: 3px solid var(--ink); }
.steps__n {
  display: inline-grid; place-items: center;
  width: 2.2rem; height: 2.2rem; margin-bottom: .8rem;
  border-radius: 50%; background: var(--accent); color: var(--white);
  font-weight: 700;
}
.steps p { color: var(--ink-soft); margin: 0; }

/* Nosotros */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: start; }
.about__list {
  list-style: none; margin: 0; padding: 1.6rem;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  display: grid; gap: 1rem;
}

/* Preguntas */
.faq { max-width: 52rem; }
details { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: .8rem; }
summary { cursor: pointer; padding: 1rem 1.3rem; font-weight: 700; list-style: none; position: relative; padding-right: 3rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 1.3rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--accent); }
details[open] summary::after { content: "\2212"; }
details p { padding: 0 1.3rem 1.1rem; margin: 0; color: var(--ink-soft); }

/* Contacto */
.contact { background: var(--ink); color: var(--cream); }
.contact__in { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; }
.contact__info p { color: #D5D9E1; }
.contact__list { list-style: none; margin: 1.6rem 0 0; padding: 0; display: grid; gap: 1rem; }
.contact__list span { display: block; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: #AEB6C4; }
.contact__list a, .contact__list b { font-weight: 500; font-size: 1.05rem; text-decoration: none; }
.contact__list a:hover { text-decoration: underline; text-underline-offset: 3px; }

.form { background: var(--cream); color: var(--ink); padding: 1.8rem; border-radius: calc(var(--radius) + 4px); display: grid; gap: 1rem; }
.form h3 { margin: 0; font-size: 1.25rem; }
.form label { display: grid; gap: .35rem; font-weight: 500; font-size: .95rem; }
.form small { font-weight: 400; color: var(--ink-soft); }
.form input, .form select, .form textarea {
  width: 100%; padding: .75rem .9rem;
  border: 1px solid #B9B2A3; border-radius: 8px;
  background: var(--white); color: var(--ink);
  font: 400 1rem var(--font-body);
}
.form textarea { resize: vertical; }
.form .btn { width: 100%; text-align: center; }
.form__note { margin: 0; font-size: .85rem; color: var(--ink-soft); }
.form__error { margin: 0; font-size: .9rem; font-weight: 700; color: #9B2C16; }

/* Pie */
.footer { background: #0F1A2D; color: #C7CEDA; padding-top: 2.8rem; font-size: .95rem; }
.footer__in { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2rem; padding-bottom: 2rem; }
.footer strong { color: var(--cream); }
.footer p { margin: .2rem 0; }
.footer nav { display: grid; gap: .4rem; align-content: start; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--cream); text-decoration: underline; text-underline-offset: 3px; }
.footer__legal {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem;
  border-top: 1px solid #25344D; padding: 1.1rem 0 1.4rem; font-size: .85rem;
}
.footer__legal p { margin: 0; }

/* Barra fija en móvil */
.mobile-bar { display: none; }

/* Responsive */
@media (max-width: 920px) {
  .hero__in, .about, .contact__in { grid-template-columns: 1fr; gap: 2rem; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__in { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .menu-btn { display: inline-block; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--cream); border-bottom: 1px solid var(--line); padding: .6rem 1.25rem 1.1rem;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: .8rem; text-align: center; border-bottom: 2px solid var(--accent); }
}

@media (max-width: 600px) {
  .grid, .steps { grid-template-columns: 1fr; }
  body { padding-bottom: 64px; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: var(--ink); border-top: 1px solid #25344D;
  }
  .mobile-bar a {
    padding: 1rem; text-align: center; text-decoration: none;
    color: var(--cream); font-weight: 700;
  }
  .mobile-bar a + a { background: var(--accent); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}