/* Ferretería La Llave · demo
   Colores: cambia estas variables para adaptar la web a otra ferretería. */
:root {
  --ink: #1F2328;
  --ink-2: #2B3036;
  --paper: #F5F4F0;
  --white: #FFFFFF;
  --yellow: #F2B705;      /* sobre carbón (8,7:1) o como fondo con texto carbón */
  --yellow-2: #FFD24A;
  --brown: #7A5500;       /* enlaces sobre blanco: 6,7:1 */
  --muted: #5A5F66;
  --steel: #C9CDD2;
  --line: #DDDBD4;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", system-ui, sans-serif;
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.6 var(--sans); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--brown); text-underline-offset: .18em; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.05; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 2.9rem); text-transform: uppercase; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 72rem; margin-inline: auto; padding-inline: 1.25rem; }
.skip-link { position: absolute; left: .75rem; top: -3rem; z-index: 20; background: var(--yellow); color: var(--ink); padding: .6rem 1rem; font-weight: 700; }
.skip-link:focus { top: .75rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.tag { display: inline-block; font: 700 .75rem/1.4 var(--sans); letter-spacing: .12em; text-transform: uppercase; background: var(--yellow); color: var(--ink); padding: .25rem .6rem; border-radius: 3px; margin-bottom: 1rem; }

/* Cabecera */
.site-header { background: var(--ink); color: var(--white); position: sticky; top: 0; z-index: 10; border-bottom: 4px solid var(--yellow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--white); text-decoration: none; }
.brand svg { width: 2.3rem; height: 2.3rem; flex: none; }
.brand strong { display: block; font: 800 1.2rem/1 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.brand > span > span { display: block; font-size: .68rem; color: var(--steel); letter-spacing: .06em; text-transform: uppercase; margin-top: .15rem; white-space: nowrap; }
.brand strong { color: var(--white); }
.header-nav { display: flex; align-items: center; gap: 1.4rem; }
.header-nav a:not(.button) { display: none; color: var(--white); text-decoration: none; font-weight: 600; }
.header-nav a:not(.button):hover { color: var(--yellow); }
@media (min-width: 52rem) { .header-nav a:not(.button) { display: inline; } }

/* Botones */
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3rem; padding: .8rem 1.3rem; border-radius: var(--radius); background: var(--yellow); color: var(--ink); font: 700 1rem/1.2 var(--sans); text-decoration: none; border: 2px solid var(--yellow); white-space: nowrap; }
.button:hover { background: var(--yellow-2); border-color: var(--yellow-2); }
.button svg { width: 1.25rem; height: 1.25rem; flex: none; }
.button-ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, .55); }
.button-ghost:hover { background: rgba(255, 255, 255, .08); border-color: var(--white); }
.button-dark { background: var(--ink); color: var(--white); border-color: var(--ink); }
.button-dark:hover { background: var(--ink-2); border-color: var(--ink-2); }
.button-small { min-height: 2.5rem; padding: .5rem 1rem; font-size: .95rem; }

/* Portada */
.hero { background: var(--ink); color: var(--white); padding-block: 2.5rem 3.5rem; }
.hero-grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 56rem) { .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 3rem; } .hero { padding-block: 4rem 4.5rem; } }
.hero h1 { font-size: clamp(2.6rem, 1.5rem + 5vw, 4.6rem); text-transform: uppercase; }
.hero h1 span { color: var(--yellow); }
.lead { font-size: clamp(1.1rem, 1rem + .4vw, 1.3rem); color: #DADDE1; max-width: 34rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.75rem 0 1rem; }
.demo-note { font-size: .85rem; color: var(--steel); }
.hero-photo img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); }

/* Franja de datos */
.strip { background: var(--yellow); color: var(--ink); }
.strip ul { list-style: none; margin: 0; padding: 1rem 0; display: grid; gap: .5rem 1.5rem; grid-template-columns: repeat(2, 1fr); font-weight: 700; }
@media (min-width: 48rem) { .strip ul { grid-template-columns: repeat(4, 1fr); } }
.strip li { display: flex; align-items: center; gap: .5rem; }
.strip svg { width: 1.3rem; height: 1.3rem; flex: none; }

/* Secciones */
.section { padding-block: 4.5rem; }
.section-white { background: var(--white); }
.section-dark { background: var(--ink); color: var(--white); }
.section-dark p { color: #DADDE1; }
.section-intro { color: var(--muted); max-width: 38rem; }
.section-dark .section-intro { color: #DADDE1; }

/* Foto por WhatsApp */
.photo-help { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 56rem) { .photo-help { grid-template-columns: 1fr 1fr; gap: 3.5rem; } }
.photo-help img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); }
.steps { list-style: none; margin: 1.5rem 0 2rem; padding: 0; display: grid; gap: 1rem; counter-reset: paso; }
.steps li { counter-increment: paso; display: grid; grid-template-columns: 2.6rem 1fr; gap: .9rem; align-items: start; }
.steps li::before { content: counter(paso); display: grid; place-items: center; width: 2.6rem; height: 2.6rem; border-radius: 50%; background: var(--yellow); color: var(--ink); font: 800 1.2rem/1 var(--display); }
.steps strong { display: block; font-size: 1.1rem; }
.steps span { color: var(--muted); }

/* Secciones de la tienda */
.cats { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 48rem) { .cats { grid-template-columns: repeat(4, 1fr); } }
.cat { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.1rem; border-top: 4px solid var(--ink); }
.cat svg { width: 2.4rem; height: 2.4rem; margin-bottom: .75rem; }
.cat h3 { font-size: 1.2rem; text-transform: uppercase; margin-bottom: .3rem; }
.cat p { color: var(--muted); font-size: .92rem; margin: 0; }

/* Servicios */
.services { display: grid; gap: 2.5rem; }
@media (min-width: 56rem) { .services { grid-template-columns: 1fr 1.2fr; gap: 3.5rem; align-items: start; } }
.services img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.service-list { list-style: none; margin: 0; padding: 0; }
.service-list li { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; padding: 1rem 0; border-bottom: 1px solid #3A4048; }
.service-list li:first-child { border-top: 1px solid #3A4048; }
.service-list h3 { font-size: 1.2rem; text-transform: uppercase; margin: 0; }
.service-list .when { font-weight: 700; color: var(--yellow); white-space: nowrap; font-size: .95rem; }
.service-list p { grid-column: 1 / -1; margin: 0; font-size: .95rem; }

/* Profesionales */
.pro { display: grid; gap: 1.5rem; background: var(--white); border: 1px solid var(--line); border-left: 6px solid var(--yellow); border-radius: var(--radius); padding: 2rem 1.5rem; }
@media (min-width: 56rem) { .pro { grid-template-columns: 1.4fr 1fr; align-items: center; padding: 2.5rem; } }
.pro h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem); }
.pro ul { margin: 0; padding-left: 1.2rem; color: var(--muted); }
.pro li { margin: .3rem 0; }

/* Horario */
.visit { display: grid; gap: 2.5rem; }
@media (min-width: 56rem) { .visit { grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; } }
.hours { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; background: var(--white); border-radius: var(--radius); overflow: hidden; }
.hours th, .hours td { padding: .8rem 1rem; border-bottom: 1px solid var(--line); text-align: left; }
.hours td { text-align: right; font-variant-numeric: tabular-nums; }
.hours tr:last-child > * { border-bottom: 0; }
.visit img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); }

/* Pie */
.site-footer { background: var(--ink); color: var(--steel); padding-block: 2.5rem; font-size: .92rem; border-top: 4px solid var(--yellow); }
.site-footer a { color: var(--yellow); }
.footer-grid { display: grid; gap: 1rem; }
@media (min-width: 48rem) { .footer-grid { grid-template-columns: 1fr auto; align-items: center; } }
.site-footer p { margin: 0; }

.hero-grid > *, .photo-help > *, .services > *, .pro > *, .visit > * { min-width: 0; }
.pro .button { justify-self: start; }
@media (max-width: 25rem) { .brand > span > span { display: none; } }
.cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 48rem) { .cats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.cat h3 { font-size: clamp(1rem, .85rem + .7vw, 1.2rem); overflow-wrap: anywhere; }
@media (max-width: 22rem) { .cat { padding: 1rem .8rem; } .button { white-space: normal; text-align: center; } }