/* ==========================================================
   Ericss Furniture — light, refined, European-premium
   ========================================================== */

:root {
  /* Colour */
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-tint: #f5f2ee;
  --color-ink: #0e0d0c;
  --color-muted: #5f5a54;
  --color-line: #e7e2db;
  --color-primary: #8b5a2b;        /* cognac brown */
  --color-primary-dark: #7d4f25;
  --color-dark: #1c1b1a;           /* soft black (footer) */
  --color-accent: #5f6b5a;         /* muted sage */

  /* Typography */
  --font-display: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: clamp(1.1rem, 1rem + 0.4vw, 1.3rem);
  --fs-h2: clamp(1.8rem, 1.3rem + 1.9vw, 2.75rem);
  --fs-h1: clamp(2.3rem, 1.5rem + 3.2vw, 4.1rem);

  /* Spacing */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: clamp(3.5rem, 2rem + 6vw, 7rem);
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --max-width: 1240px;

  /* Misc */
  --radius: 2px;
  --shadow: 0 18px 40px -22px rgba(60, 45, 25, 0.35);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 76px;
}

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

/* the hidden attribute must win over class rules that set display: grid / flex */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

main { overflow-x: clip; }

/* AOS slide-in elements start off-screen */

img { display: block; max-width: 100%; height: auto; }

ul,
ol { list-style: none; margin: 0; padding: 0; }

figure { margin: 0; }

h1,
h2,
h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.15; letter-spacing: -0.02em; margin: 0; }

h2 { font-size: var(--fs-h2); }

h3 { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; }

p { margin: 0 0 var(--space-2); }

a { color: inherit; }

address { font-style: normal; }

:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

.skip-link {
  position: absolute; left: var(--space-2); top: -4rem; z-index: 200;
  background: var(--color-ink); color: #fff; padding: 0.6rem 1rem;
}

.skip-link:focus { top: var(--space-1); }

/* ---------- Header / navigation ---------- */

.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h);
  padding: 0 var(--gutter);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
}

.brand { display: flex; flex-direction: column; text-decoration: none; line-height: 1; }

.brand__mark { font-family: var(--font-display); font-size: 1.45rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }

.brand__sub { font-size: 0.8125rem; letter-spacing: 0.03em; color: var(--color-primary); margin-top: 2px; }

.site-nav { display: flex; align-items: center; gap: var(--space-4); }

.site-nav__list { display: flex; gap: var(--space-3); }

.site-nav__list a {
  position: relative; text-decoration: none;
  font-size: var(--fs-sm); letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.4rem 0; color: var(--color-muted);
  transition: color 0.3s var(--ease);
}

.site-nav__list a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: var(--color-primary); transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible,
.site-nav__list a.is-current { color: var(--color-ink); }

.site-nav__list a:hover::after,
.site-nav__list a:focus-visible::after,
.site-nav__list a.is-current::after { transform: scaleX(1); }

.nav-toggle {
  display: none; width: 44px; height: 44px; padding: 0;
  background: none; border: 1px solid var(--color-line); border-radius: var(--radius); cursor: pointer;
  position: relative;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  position: absolute; left: 11px; width: 20px; height: 1.5px; background: var(--color-ink);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

.nav-toggle__bar { top: 21px; }

.nav-toggle__bar::before,
.nav-toggle__bar::after { content: ""; left: 0; }

.nav-toggle__bar::before { top: -6px; }

.nav-toggle__bar::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateY(6px) rotate(45deg); }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Buttons ---------- */

.btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-block; cursor: pointer; text-decoration: none;
  padding: 0.95rem 2rem;
  background: var(--color-ink); color: #fff;
  border: 1px solid var(--color-ink); border-radius: var(--radius);
  font: 500 var(--fs-sm)/1 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase;
  transition: color 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease), letter-spacing 0.45s var(--ease);
}

.btn::before {                       /* colour that sweeps in from the left */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--color-primary); transform: scaleX(0); transform-origin: left;
  transition: transform 0.55s var(--ease);
}

.btn:hover,
.btn:focus-visible { border-color: var(--color-primary); box-shadow: var(--shadow); letter-spacing: 0.15em; }

.btn:hover::before,
.btn:focus-visible::before { transform: scaleX(1); }

.btn--small { padding: 0.7rem 1.3rem; font-size: 0.8125rem; }

.btn--ghost { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }

.btn--ghost::before { background: var(--color-ink); }

.btn--ghost:hover,
.btn--ghost:focus-visible { color: #fff; border-color: var(--color-ink); }

/* ---------- Generic sections ---------- */

.section { padding: var(--space-5) var(--gutter); }

/* Brown accent band: re-map the tokens so its content restyles itself */

.section__intro { max-width: 56ch; margin-top: var(--space-2); color: var(--color-muted); font-size: var(--fs-lg); }

.eyebrow {
  font-size: 0.75rem; letter-spacing: 0.28em; text-transform: uppercase; font-weight: 500;
  color: var(--color-primary); margin-bottom: var(--space-2);
}


/* ---------- Materials ---------- */

.material { padding: var(--space-3); border-bottom: 1px solid var(--color-line); transition: background 0.3s var(--ease); }

.material:hover { background: var(--color-surface); }

.material h3 { margin-bottom: var(--space-1); }

.material p { color: var(--color-muted); font-size: var(--fs-sm); }

/* ---------- Gallery ---------- */

@keyframes filter-in { from { opacity: 0; transform: translateY(18px) scale(0.96); } to { opacity: 1; transform: none; } }

/* ---------- Contact ---------- */

.form { display: grid; gap: var(--space-2); background: var(--color-surface); padding: var(--space-4); border: 1px solid var(--color-line); border-radius: var(--radius); }

.form__row { display: grid; gap: 0.4rem; margin: 0; }

.form label { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-muted); }

.form input,
.form select,
.form textarea {
  font: inherit; color: inherit; width: 100%;
  padding: 0.8rem 0; background: transparent;
  border: 0; border-bottom: 1px solid var(--color-line); border-radius: 0;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.form input:hover,
.form select:hover,
.form textarea:hover { border-bottom-color: var(--color-muted); }

.form input:focus,
.form select:focus,
.form textarea:focus { outline: none; border-bottom-color: var(--color-primary); box-shadow: 0 1px 0 var(--color-primary); }

.form .btn { justify-self: start; margin-top: var(--space-1); }

/* ---------- Footer ---------- */

.site-footer {
  display: grid; grid-template-columns: 1fr auto; gap: var(--space-2) var(--space-4); align-items: center;
  padding: var(--space-4) var(--gutter);
  background: var(--color-dark); color: #d8d2c6;
}

.site-footer .brand__mark { color: #fff; margin-right: 0.4rem; }

.site-footer__brand { margin: 0; letter-spacing: 0.02em; font-size: var(--fs-sm); }

.site-footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.site-footer__nav a { text-decoration: none; font-size: var(--fs-sm); transition: color 0.3s; }

.site-footer__nav a:hover,
.site-footer__nav a:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

.site-footer__copy { grid-column: 1 / -1; margin: var(--space-2) 0 0; padding-top: var(--space-2); font-size: 0.8125rem; color: #aaa396; }

/* ---------- Language switch ---------- */

.lang-switch { display: flex; margin: 0; border: 1px solid var(--color-line); border-radius: 99px; overflow: hidden; }

.lang-switch__btn {
  cursor: pointer; background: transparent; color: var(--color-muted); border: 0;
  padding: 0.45rem 0.8rem; font: 500 0.8125rem/1 var(--font-body); letter-spacing: 0.14em;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.lang-switch__btn:hover,
.lang-switch__btn:focus-visible { color: var(--color-ink); background: var(--color-tint); }

.lang-switch__btn.is-active { background: var(--color-ink); color: #fff; }

/* ---------- Footer GitHub + dialog ---------- */

.footer-github {
  display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer;
  background: transparent; color: inherit; border: 1px solid rgba(255,255,255,0.3); border-radius: 99px;
  padding: 0.4rem 1rem; font: inherit; font-size: var(--fs-sm);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s;
}

.footer-github:hover,
.footer-github:focus-visible { background: #fff; color: var(--color-ink); border-color: #fff; }

.dialog {
  width: min(92vw, 520px); padding: 0; border: 0; border-radius: var(--radius);
  background: var(--color-bg); color: var(--color-ink); box-shadow: 0 30px 80px -20px rgba(30, 20, 5, 0.45);
}

.dialog::backdrop { background: rgba(31, 29, 26, 0.5); backdrop-filter: blur(3px); }

.dialog[open] { animation: dialog-in 0.35s var(--ease); }

@keyframes dialog-in { from { opacity: 0; transform: translateY(14px) scale(0.98); } to { opacity: 1; transform: none; } }

.dialog__panel { padding: var(--space-4); }

.dialog__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2); margin-bottom: var(--space-2); }

.dialog__head h2 { font-size: 1.5rem; }

.dialog__close {
  flex: none; width: 40px; height: 40px; cursor: pointer; font-size: 1.5rem; line-height: 1;
  background: transparent; color: var(--color-ink); border: 1px solid var(--color-line); border-radius: 50%;
  transition: background 0.3s, color 0.3s, transform 0.3s var(--ease);
}

.dialog__close:hover,
.dialog__close:focus-visible { background: var(--color-ink); color: #fff; transform: rotate(90deg); }

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

.dialog__list { display: grid; gap: var(--space-1); margin-top: var(--space-3); }

.dialog__link {
  display: flex; flex-direction: column; gap: 0.15rem; text-decoration: none;
  padding: 1rem 1.2rem; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.dialog__link strong { font-weight: 500; }

.dialog__link span { color: var(--color-muted); font-size: var(--fs-sm); }

.dialog__link:hover,
.dialog__link:focus-visible { border-color: var(--color-primary); transform: translateX(4px); box-shadow: var(--shadow); }

/* ---------- Modern touches ---------- */

.progress {
  position: fixed; inset: 0 0 auto 0; z-index: 150; height: 3px; margin: 0;
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
  transform: scaleX(0); transform-origin: left; pointer-events: none;
}

.site-header { transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease); }

.site-header.is-scrolled { background: rgba(255, 255, 255, 0.97); box-shadow: 0 10px 30px -22px rgba(30, 20, 5, 0.45); }

/* Image reveal: a curtain that lifts as the picture enters the viewport */

.to-top {
  position: fixed; right: var(--gutter); bottom: 1.5rem; z-index: 120;
  width: 48px; height: 48px; display: grid; place-items: center; cursor: pointer;
  background: var(--color-ink); color: #fff; border: 0; border-radius: 50%;
  box-shadow: var(--shadow);
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), background 0.3s var(--ease);
}

.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }

.to-top:hover,
.to-top:focus-visible { background: var(--color-primary); transform: translateY(-4px); }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: var(--space-3);
    padding: var(--space-3) var(--gutter) var(--space-4);
    background: var(--color-bg); border-bottom: 1px solid var(--color-line);
    clip-path: inset(0 0 100% 0); visibility: hidden;
    transition: clip-path 0.4s var(--ease), visibility 0s 0.4s;
  }
  .site-nav.is-open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path 0.4s var(--ease); }
  .site-nav__list { flex-direction: column; gap: var(--space-1); width: 100%; }
  .site-nav__list a { display: block; padding: 0.7rem 0; font-size: 1rem; }
}

@media (max-width: 560px) {
  .site-footer { grid-template-columns: 1fr; }
  .form { padding: var(--space-3); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
*::before,
*::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}