/* ==========================================================================
   Agusticks — shared base styles
   Reset, layout primitives, and components shared across all design variants.
   Theme-specific colors/typography live in each design's own stylesheet and
   are driven by the CSS custom properties declared here.
   ========================================================================== */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body, system-ui, sans-serif);
  color: var(--ink, #1c1f26);
  background: var(--bg, #ffffff);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-head, var(--font-body, sans-serif));
  line-height: 1.1;
  margin: 0 0 .5em;
  font-weight: 800;
}

p { margin: 0 0 1em; }

/* Layout primitives ------------------------------------------------------- */
.container {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
}
.container--narrow { width: min(820px, 100% - 2.5rem); }

.section { padding: clamp(3.5rem, 7vw, 7rem) 0; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 1rem;
}

.lead { font-size: clamp(1.05rem, 2vw, 1.35rem); }

.grid { display: grid; gap: clamp(1rem, 2.5vw, 2rem); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Skip link & a11y -------------------------------------------------------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent, #ffb300); color: #000; padding: .75rem 1.25rem;
  border-radius: 0 0 .5rem 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: 3px solid var(--focus, #1f7aec); outline-offset: 2px; }

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.5rem;
  border-radius: var(--radius-btn, 999px);
  font-weight: 700;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--accent, #ffb300); color: var(--accent-ink, #1c1f26); box-shadow: var(--shadow-btn, 0 8px 0 rgba(0,0,0,.15)); }
.btn--primary:hover { box-shadow: var(--shadow-btn-hover, 0 10px 0 rgba(0,0,0,.15)); }
.btn--ghost { background: transparent; border-color: currentColor; }

/* Site header / nav ------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg, rgba(255,255,255,.85));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline, rgba(0,0,0,.08));
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem 0; min-height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 900; font-size: 1.25rem; letter-spacing: -.01em; }
.brand .brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent, #ffb300);
  display: grid; place-items: center; color: var(--accent-ink, #1c1f26);
  font-weight: 900; box-shadow: inset 0 -4px 0 rgba(0,0,0,.12);
}

.nav-links { display: flex; align-items: center; gap: clamp(.5rem, 2vw, 1.75rem); list-style: none; margin: 0; padding: 0; }
.nav-links a { font-weight: 600; padding: .35rem 0; position: relative; }
.nav-links a[aria-current="page"] { color: var(--accent-strong, var(--accent, #ffb300)); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--accent, #ffb300); transition: right .25s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { right: 0; }

.nav-actions { display: flex; align-items: center; gap: .75rem; }

/* Language switcher */
.lang-switch { display: inline-flex; border: 1px solid var(--hairline, rgba(0,0,0,.15)); border-radius: 999px; overflow: hidden; }
.lang-switch a { padding: .3rem .7rem; font-weight: 700; font-size: .8rem; letter-spacing: .04em; white-space: nowrap; }
.lang-switch a[aria-current="true"] { background: var(--accent, #ffb300); color: var(--accent-ink, #1c1f26); }

/* Mobile menu toggle */
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; position: relative; border-radius: 10px; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 11px; right: 11px; height: 2.5px; border-radius: 2px; background: currentColor; transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle span { top: 21px; }
/* ::before/::after are children of the 22px-wide span, so they need their own
   left/right:0 — inheriting the bar rule's left/right:11px would zero their width. */
.nav-toggle span::before { top: -7px; left: 0; right: 0; }
.nav-toggle span::after { top: 7px; left: 0; right: 0; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg, #fff); padding: 1rem 1.25rem 1.5rem;
    border-bottom: 1px solid var(--hairline, rgba(0,0,0,.08));
    transform: translateY(-120%); transition: transform .3s ease; box-shadow: 0 16px 30px rgba(0,0,0,.12);
  }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: .85rem 0; width: 100%; border-bottom: 1px solid var(--hairline, rgba(0,0,0,.06)); }
}

/* Footer ------------------------------------------------------------------ */
.site-footer { background: var(--footer-bg, #14161c); color: var(--footer-ink, #e8eaef); padding: 3.5rem 0 2rem; margin-top: 4rem; }
.site-footer a:hover { color: var(--accent, #ffb300); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer-grid h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; opacity: .7; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .85rem; opacity: .8; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }

/* Cards ------------------------------------------------------------------- */
.card {
  background: var(--card-bg, #fff);
  border-radius: var(--radius-card, 20px);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow-card, 0 12px 30px rgba(20,22,28,.08));
  border: 1px solid var(--hairline, rgba(0,0,0,.05));
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover, 0 20px 44px rgba(20,22,28,.14)); }

/* Return-to-gallery bar (injected by site.js on design pages) ------------- */
.gallery-return {
  margin-top: 2.5rem; padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,.14);
  display: flex; justify-content: center;
}
.gallery-return .btn { gap: .6rem; }
.gallery-return .btn svg { width: 16px; height: 16px; }

/* Reveal-on-scroll animation hook (set by site.js) ------------------------ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}