/* Shared design system for the rebuilt group websites (zarredo, zecse, zicese, zoytechs).
   Each site's theme.css sets the variables below; nothing here names a company. */

:root {
  --font-display: Georgia, serif;
  --font-body: system-ui, sans-serif;
  --display-weight: 500;
  --display-tracking: -0.01em;
  --display-case: none;
  --eyebrow-tracking: 0.18em;
  --c-bg: #ffffff;
  --c-surface: #f5f5f4;
  --c-ink: #161616;
  --c-muted: #5c5c5c;
  --c-line: rgba(0, 0, 0, 0.12);
  --c-accent: #8a6d3b;
  --c-accent-ink: #ffffff;
  --c-accent-text: #6f5629;     /* accent dark enough for text on --c-bg */
  --c-dark: #151515;
  --c-dark-ink: #f4f1ec;
  --c-dark-muted: rgba(244, 241, 236, 0.72);
  --c-dark-line: rgba(244, 241, 236, 0.16);
  --radius: 4px;
  --radius-lg: 8px;
  --container: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(64px, 9vw, 128px);
  --header-h: 76px;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.35);
}

/* ---------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; background: var(--c-bg); color: var(--c-ink); font: 400 17px/1.65 var(--font-body); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 0.5em; font-family: var(--font-display); font-weight: var(--display-weight); letter-spacing: var(--display-tracking); text-transform: var(--display-case); line-height: 1.12; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); line-height: 1.25; }
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 16px; top: -48px; z-index: 100; padding: 10px 16px; background: var(--c-ink); color: var(--c-bg); }
.skip-link:focus { top: 12px; }
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: calc(820px + 2 * var(--gutter)); }

/* ---------------------------------------------------------------- type helpers */
.eyebrow { display: inline-block; margin-bottom: 18px; font: 600 0.78rem/1.4 var(--font-body); letter-spacing: var(--eyebrow-tracking); text-transform: uppercase; color: var(--c-accent-text); }
.lead { font-size: clamp(1.08rem, 1.5vw, 1.25rem); color: var(--c-muted); max-width: 62ch; }
.muted { color: var(--c-muted); }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .lead { margin-left: auto; margin-right: auto; }

/* ---------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 28px; border: 1px solid var(--c-accent); border-radius: var(--radius); background: var(--c-accent); color: var(--c-accent-ink); font: 600 0.92rem/1 var(--font-body); letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.btn--ghost { background: transparent; color: var(--c-ink); border-color: currentColor; }
.btn--ghost:hover { background: var(--c-ink); color: var(--c-bg); border-color: var(--c-ink); filter: none; }
.btn--small { min-height: 42px; padding: 0 20px; font-size: 0.82rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--c-accent-text); text-decoration: none; letter-spacing: 0.02em; }
.link-arrow::after { content: "→"; transition: transform .2s; }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------------------------------------------------------------- header */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--c-bg) 94%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--c-line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand__logo { height: 44px; width: auto; }
.brand__logo--light { display: none; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav ul { display: flex; gap: 26px; }
.site-nav a:not(.btn) { position: relative; padding: 6px 0; font-size: 0.86rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; color: var(--c-ink); }
.site-nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--c-accent); transform: scaleX(0); transition: transform .25s; transform-origin: left; }
.site-nav a:not(.btn):hover::after, .site-nav a[aria-current]::after { transform: scaleX(1); }
.nav-toggle { display: none; position: relative; width: 44px; height: 44px; margin-right: -10px; border: 0; background: none; color: var(--c-ink); cursor: pointer; }
.nav-toggle span:not(.sr-only) { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform .25s, top .25s; }
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 26px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

/* Transparent header over a full-bleed hero (body.has-hero) */
.has-hero .site-header { position: fixed; left: 0; right: 0; background: transparent; border-bottom-color: transparent; backdrop-filter: none; transition: background .3s, border-color .3s; }
.has-hero .site-header:not(.is-scrolled) .brand__logo--dark { display: none; }
.has-hero .site-header:not(.is-scrolled) .brand__logo--light { display: block; }
.has-hero .site-header:not(.is-scrolled) .site-nav a:not(.btn), .has-hero .site-header:not(.is-scrolled) .nav-toggle { color: var(--c-dark-ink); }
.has-hero .site-header.is-scrolled { background: color-mix(in srgb, var(--c-bg) 94%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom-color: var(--c-line); }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .site-nav { position: fixed; inset: var(--header-h) 0 0 0; flex-direction: column; align-items: stretch; gap: 0; padding: 24px var(--gutter) 40px; background: var(--c-bg); overflow-y: auto; visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s; }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--c-line); }
  .site-nav a:not(.btn) { display: block; padding: 18px 0; font-size: 1rem; color: var(--c-ink) !important; }
  .site-nav a:not(.btn)::after { display: none; }
  .site-nav .header-cta { margin-top: 28px; }
  .has-hero .site-header.menu-open { background: var(--c-bg); }
  .has-hero .site-header.menu-open .brand__logo--dark { display: block; }
  .has-hero .site-header.menu-open .brand__logo--light { display: none; }
  .has-hero .site-header.menu-open .nav-toggle { color: var(--c-ink); }
  body.menu-locked { overflow: hidden; }
}

/* ---------------------------------------------------------------- hero */
.hero { position: relative; display: flex; align-items: flex-end; min-height: min(100svh, 920px); padding: calc(var(--header-h) + 64px) 0 clamp(56px, 8vw, 104px); color: var(--c-dark-ink); background: var(--c-dark) var(--bg) center / cover no-repeat; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(0,0,0,.5) 0%, rgba(0,0,0,.22) 30%, rgba(0,0,0,.58) 62%, rgba(0,0,0,.78) 100%), linear-gradient(90deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,0) 70%); }
.hero h1 { max-width: 15ch; color: inherit; text-shadow: 0 2px 24px rgba(0,0,0,.25); }
.hero .lead { color: rgba(255,255,255,.86); }
.hero .eyebrow { color: var(--c-dark-ink); }
.hero .eyebrow::before, .page-hero--image .eyebrow::before { content: ""; display: inline-block; width: 28px; height: 1px; margin: 0 12px 4px 0; vertical-align: middle; background: var(--c-accent); }
.hero .btn--ghost { color: var(--c-dark-ink); }
.hero .btn--ghost:hover { background: var(--c-dark-ink); color: var(--c-dark); border-color: var(--c-dark-ink); }
.hero__meta { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--c-dark-line); font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-dark-muted); }

.page-hero { padding: clamp(56px, 8vw, 112px) 0 clamp(40px, 6vw, 80px); border-bottom: 1px solid var(--c-line); }
.page-hero h1 { max-width: 18ch; }
.page-hero--image { position: relative; display: flex; align-items: flex-end; min-height: 62svh; padding-top: calc(var(--header-h) + 72px); border: 0; color: var(--c-dark-ink); background: var(--c-dark) var(--bg) center / cover no-repeat; isolation: isolate; }
.page-hero--image::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(0,0,0,.52), rgba(0,0,0,.3) 40%, rgba(0,0,0,.74)), linear-gradient(90deg, rgba(0,0,0,.4), rgba(0,0,0,0) 70%); }
.page-hero--image .lead { color: rgba(255,255,255,.86); }
.page-hero--image .eyebrow { color: var(--c-dark-ink); }

/* ---------------------------------------------------------------- sections */
.section { padding: var(--section) 0; }
.section--tight { padding: calc(var(--section) * .6) 0; }
.section--surface { background: var(--c-surface); }
.section--dark { background: var(--c-dark); color: var(--c-dark-ink); }
.section--dark .lead, .section--dark .muted, .section--dark p { color: var(--c-dark-muted); }
.section--dark h2, .section--dark h3 { color: var(--c-dark-ink); }
.section--dark .eyebrow { color: var(--c-accent); }
.section--dark .btn--ghost { color: var(--c-dark-ink); }
.section--line { border-top: 1px solid var(--c-line); }

/* split: image + text */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius-lg); }
.split__media--wide img { aspect-ratio: 4 / 3; }
.split__body > :last-child { margin-bottom: 0; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); gap: clamp(20px, 2.5vw, 32px); }
.card { display: flex; flex-direction: column; background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; text-decoration: none; color: inherit; transition: transform .3s, box-shadow .3s; }
a.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__media { overflow: hidden; }
.card__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s; }
a.card:hover .card__media img { transform: scale(1.04); }
.card__body { display: flex; flex-direction: column; flex: 1; padding: 28px; }
.card__body p { color: var(--c-muted); }
.card__body .link-arrow { margin-top: auto; padding-top: 8px; }
.card--plain { padding: 32px; }
.card__icon { width: 44px; height: 44px; margin-bottom: 20px; color: var(--c-accent); }
.section--dark .card { background: rgba(255,255,255,.04); border-color: var(--c-dark-line); }
.section--dark .card__body p, .section--dark .card p { color: var(--c-dark-muted); }

/* numbered steps */
.steps { display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: clamp(20px, 3vw, 40px); counter-reset: step; }
.step { padding-top: 24px; border-top: 1px solid var(--c-line); }
.section--dark .step { border-top-color: var(--c-dark-line); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; margin-bottom: 14px; font: var(--display-weight) 2.4rem/1 var(--font-display); color: var(--c-accent); }
.step p { color: var(--c-muted); margin: 0; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); gap: 32px; }
.stat__value { display: block; font: var(--display-weight) clamp(2.6rem, 5vw, 4rem)/1 var(--font-display); color: var(--c-accent); margin-bottom: 12px; }
.stat p { color: var(--c-muted); margin: 0; max-width: 32ch; }
.section--dark .stat p { color: var(--c-dark-muted); }

/* lists */
.ticks li { position: relative; padding: 12px 0 12px 32px; border-bottom: 1px solid var(--c-line); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 22px; width: 14px; height: 7px; border-left: 2px solid var(--c-accent); border-bottom: 2px solid var(--c-accent); transform: rotate(-45deg); }
.section--dark .ticks li { border-bottom-color: var(--c-dark-line); }
.spec { display: grid; grid-template-columns: auto 1fr; gap: 10px 24px; margin: 24px 0 0; padding: 20px 0 0; border-top: 1px solid var(--c-line); font-size: 0.95rem; }
.spec dt { font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.78rem; color: var(--c-accent-text); padding-top: 3px; }
.spec dd { margin: 0; color: var(--c-muted); }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gallery figure { margin: 0; overflow: hidden; border-radius: var(--radius); }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; cursor: zoom-in; transition: transform .6s; }
.gallery img:hover { transform: scale(1.04); }
.lightbox { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; background: rgba(10,10,10,.92); }
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; object-fit: contain; }
.lightbox button { position: absolute; width: 52px; height: 52px; border: 0; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font-size: 26px; cursor: pointer; }
.lightbox__close { top: 18px; right: 18px; }
.lightbox__prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 18px; top: 50%; transform: translateY(-50%); }

/* statement band */
.statement { font: var(--display-weight) clamp(1.7rem, 3.4vw, 2.8rem)/1.25 var(--font-display); letter-spacing: var(--display-tracking); max-width: 26ch; margin: 0; text-wrap: balance; }
.section-head--center .statement { margin: 0 auto; }

/* call to action */
.cta { position: relative; padding: clamp(64px, 9vw, 120px) 0; color: var(--c-dark-ink); background: var(--c-dark) var(--bg, none) center / cover no-repeat; isolation: isolate; text-align: center; }
/* phones load the 800 px copy of background photos (build.py writes --bg-sm next to --bg) */
@media (max-width: 800px) { .hero, .page-hero--image, .cta { background-image: var(--bg-sm, var(--bg, none)); } }
.cta::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(0,0,0,.66); }
.cta h2 { max-width: 20ch; margin-left: auto; margin-right: auto; }
.cta .lead { margin: 0 auto; color: var(--c-dark-muted); }
.cta .btn-row { justify-content: center; }
.cta .btn--ghost { color: var(--c-dark-ink); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; margin-bottom: 8px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-muted); }
.field input, .field textarea { width: 100%; padding: 14px 16px; border: 1px solid var(--c-line); border-radius: var(--radius); background: var(--c-bg); color: var(--c-ink); font: inherit; font-size: 1rem; transition: border-color .2s, box-shadow .2s; }
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 22%, transparent); }
.form__status { min-height: 1.4em; margin: 0; font-size: 0.95rem; }
.form__status.is-error { color: #b42318; }
.form__status.is-ok { color: #1f7a4d; }
.form__note { font-size: 0.85rem; color: var(--c-muted); margin: 0; }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.contact-card { padding: clamp(28px, 4vw, 40px); background: var(--c-surface); border-radius: var(--radius-lg); }
.contact-card h2 { font-size: 1.6rem; }
.contact-list li { padding: 16px 0; border-bottom: 1px solid var(--c-line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list span { display: block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-accent-text); margin-bottom: 4px; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
.map { margin-top: 24px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--c-line); }
.map iframe { display: block; width: 100%; height: 280px; border: 0; }

/* footer */
.site-footer { background: var(--c-dark); color: var(--c-dark-muted); font-size: 0.95rem; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr repeat(var(--footer-cols, 3), 1fr); gap: 40px; padding-top: clamp(56px, 7vw, 88px); padding-bottom: 48px; }
.footer-brand__logo { height: 52px; width: auto; margin-bottom: 20px; }
.footer-brand p { max-width: 34ch; }
.footer-col__title { margin: 0 0 18px; font: 600 0.78rem/1.4 var(--font-body); letter-spacing: 0.16em; text-transform: uppercase; color: var(--c-dark-ink); }
.footer-col li { margin-bottom: 10px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--c-dark-ink); text-decoration: underline; }
.socials { display: flex; gap: 12px; margin-top: 20px; }
.social { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--c-dark-line); border-radius: 50%; color: var(--c-dark-ink); }
.social:hover { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-accent-ink); }
.site-footer__bottom { position: relative; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; padding-bottom: 32px; font-size: 0.85rem; }
.site-footer__bottom::before { content: ""; position: absolute; top: 0; left: var(--gutter); right: var(--gutter); border-top: 1px solid var(--c-dark-line); }
.site-footer__bottom p { margin: 0; }

/* reveal on scroll (only when JavaScript runs) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 960px) {
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .cards { grid-template-columns: repeat(min(var(--cols, 3), 2), 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .cards, .steps, .stats { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .form__row { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .split__media img { aspect-ratio: 4 / 3; }
  .brand__logo { height: 38px; }
}