/* ==========================================================================
   R&K Art House — Shared Stylesheet
   Design tokens extracted verbatim from approved mockups.
   Colors, fonts, radii unchanged — added: real :hover, responsive, a11y.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* surfaces */
  --bg: #FBF3F0;
  --surface: #ffffff;
  --surface-sage: #6E9278;

  /* brand */
  --green: #6E9278;
  --green-deep: #5a7c64;
  --rose: #C9889A;
  --rose-soft: #F3DDE2;
  --rose-border: #E2C4CC;

  /* text */
  --text: #3a322f;
  --text-soft: #6a5f5a;
  --text-muted: #a08f88;

  /* lines / fields */
  --field-border: #E9D7D2;

  /* placeholder swatches (temporary, until real photos) */
  --ph-blush-a: #EFDDD9; --ph-blush-b: #F8ECE8;
  --ph-sage-a:  #DFE9E2; --ph-sage-b:  #EEF4EF;
  --ph-sand-a:  #F0E9D6; --ph-sand-b:  #F8F2E4;
  --ph-cream-a: #EAE3D8; --ph-cream-b: #F4EEE4;

  /* type */
  --font-display: 'DM Serif Display', serif;
  --font-script: 'Caveat', cursive;
  --font-body: 'Mukta', sans-serif;

  /* scale */
  --maxw: 1280px;
  --pad-x: 56px;

  /* radii */
  --r-card: 24px;
  --r-img: 18px;
  --r-pill: 40px;
  --r-field: 14px;

  /* motion */
  --t-fast: .15s ease;
  --t: .2s ease;
  --t-slow: .25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; }
button { font-family: inherit; }

/* ---------- i18n visibility ---------- */
[data-lang="ro"] .i18-en { display: none !important; }
[data-lang="en"] .i18-ro { display: none !important; }

/* ---------- Layout helpers ---------- */
.rk-container { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.rk-section { padding-top: 72px; padding-bottom: 72px; }
.rk-surface { background: var(--surface); }

/* ---------- Type primitives ---------- */
.rk-eyebrow { font-family: var(--font-script); color: var(--rose); line-height: 1; }
.rk-display { font-family: var(--font-display); color: var(--text); }
.rk-script  { font-family: var(--font-script); }

/* ---------- Links ---------- */
.rk-link { text-decoration: none; color: var(--text-soft); font-weight: 500; transition: color var(--t), opacity var(--t); }
.rk-link:hover { color: var(--green); }
.rk-link-rose { color: var(--rose); border-bottom: 1.5px solid var(--rose-border); padding-bottom: 2px; text-decoration: none; font-weight: 600; }
.rk-link-rose:hover { color: var(--green); border-color: var(--green); }

.rk-navlink.is-active { color: var(--text); font-weight: 700; border-bottom: 2px solid var(--rose); padding-bottom: 3px; }

/* ---------- Buttons ---------- */
.rk-btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-body); font-weight: 600; cursor: pointer;
  border: none; border-radius: var(--r-pill); text-decoration: none;
  transition: background var(--t), color var(--t), transform var(--t-fast), box-shadow var(--t);
}
.rk-btn:active { transform: translateY(1px); }

.rk-btn--primary { background: var(--green); color: #fff; font-size: 13.5px; padding: 11px 19px; }
.rk-btn--primary:hover { background: var(--green-deep); }

.rk-btn--primary-lg { background: var(--green); color: #fff; font-size: 15px; padding: 14px 28px; }
.rk-btn--primary-lg:hover { background: var(--green-deep); }

.rk-btn--outline { background: #fff; border: 1.5px solid var(--rose-border); color: var(--rose); font-size: 15px; padding: 14px 28px; }
.rk-btn--outline:hover { background: var(--bg); }

.rk-btn--ghost { background: #fff; color: var(--rose); border: 1.5px solid var(--rose-border); font-size: 12px; font-weight: 700; letter-spacing: .06em; padding: 7px 12px; }
.rk-btn--ghost:hover { background: var(--bg); }

.rk-btn--light { background: #fff; color: var(--text); font-weight: 700; font-size: 15px; padding: 15px 34px; }
.rk-btn--light:hover { background: var(--bg); }

.rk-btn--on-sage { background: rgba(255,255,255,.14); border: 1.5px solid rgba(255,255,255,.5); color: #fff; font-weight: 600; font-size: 15px; padding: 15px 30px; }
.rk-btn--on-sage:hover { background: rgba(255,255,255,.24); }

.rk-btn--full { width: 100%; }

/* ---------- Cards ---------- */
.rk-card { transition: transform var(--t-slow), box-shadow var(--t-slow); }
.rk-card--soft { background: #fff; border-radius: var(--r-card); }
.rk-card--soft:hover { transform: translateY(-5px); box-shadow: 0 16px 30px rgba(201,136,154,.14); }

.rk-tile { border-radius: var(--r-img); overflow: hidden; cursor: pointer; }
.rk-tile:hover { transform: scale(1.015); }

/* ---------- Placeholder fills (temporary) ---------- */
.rk-ph { display: flex; align-items: flex-end; }
.rk-ph--blush { background: repeating-linear-gradient(45deg, var(--ph-blush-a), var(--ph-blush-a) 11px, var(--ph-blush-b) 11px, var(--ph-blush-b) 22px); }
.rk-ph--sage  { background: repeating-linear-gradient(45deg, var(--ph-sage-a),  var(--ph-sage-a) 11px,  var(--ph-sage-b) 11px,  var(--ph-sage-b) 22px); }
.rk-ph--sand  { background: repeating-linear-gradient(45deg, var(--ph-sand-a),  var(--ph-sand-a) 11px,  var(--ph-sand-b) 11px,  var(--ph-sand-b) 22px); }
.rk-ph--cream { background: repeating-linear-gradient(45deg, var(--ph-cream-a), var(--ph-cream-a) 11px, var(--ph-cream-b) 11px, var(--ph-cream-b) 22px); }
.rk-ph--sage-135 { background: repeating-linear-gradient(-45deg, var(--ph-sage-a), var(--ph-sage-a) 11px, var(--ph-sage-b) 11px, var(--ph-sage-b) 22px); }
.rk-ph__label { font-family: ui-monospace, Menlo, monospace; font-size: 11px; color: #88a092; letter-spacing: .04em; }
.rk-ph__label--blush { color: #b29a94; }
.rk-ph__label--sand { color: #b3a584; }

/* ---------- Nav ---------- */
.rk-nav { display: flex; align-items: center; justify-content: space-between; padding: 22px var(--pad-x); max-width: var(--maxw); margin: 0 auto; }
.rk-nav__brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.rk-nav__brand-heart { color: var(--rose); font-size: 18px; }
.rk-nav__brand-name { font-family: var(--font-script); font-size: 30px; line-height: 1; color: var(--text); }
.rk-nav__links { display: flex; align-items: center; gap: 26px; }
.rk-nav__links a { font-size: 14.5px; }
.rk-nav__toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.rk-nav__toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: transform var(--t), opacity var(--t); }

/* ---------- Forms ---------- */
.rk-field {
  font-family: var(--font-body); font-size: 15px; color: var(--text);
  width: 100%; padding: 13px 16px; border-radius: var(--r-field);
  border: 1.5px solid var(--field-border); background: #fff; outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.rk-field:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(110,146,120,.15); }
.rk-field::placeholder { color: #b9aca6; }
.rk-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-soft); margin-bottom: 7px; }

/* ---------- Accessibility ---------- */
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
.rk-skip { position: absolute; left: -9999px; top: 0; background: #fff; color: var(--text); padding: 10px 16px; border-radius: 8px; z-index: 100; }
.rk-skip:focus { left: 16px; top: 16px; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  :root { --pad-x: 32px; }
  .rk-nav__links {
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
    flex-direction: column; align-items: flex-start; gap: 20px;
    background: var(--bg); padding: 96px 32px 32px;
    transform: translateX(100%); transition: transform var(--t-slow);
    box-shadow: -12px 0 40px rgba(58,50,47,.12); z-index: 40;
  }
  .rk-nav__links.is-open { transform: translateX(0); }
  .rk-nav__toggle { display: block; z-index: 50; }
  .rk-nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .rk-nav__toggle.is-open span:nth-child(2) { opacity: 0; }
  .rk-nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 720px) {
  :root { --pad-x: 22px; }
  .rk-section { padding-top: 54px; padding-bottom: 54px; }
}

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

/* ==========================================================================
   Page components
   ========================================================================== */

/* Hero collage */
.rk-hero-collage { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 50px; }
.rk-hero-collage__item { aspect-ratio: 3/4; }
.rk-hero-collage__item--drop { margin-top: 24px; }

/* Badge (about) */
.rk-about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.rk-about-grid__media { position: relative; display: flex; justify-content: center; }
.rk-badge { position: absolute; left: -26px; bottom: -26px; width: 148px; height: 148px; }
.rk-badge__center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; }

/* Grids */
.rk-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* Service icon */
.rk-service-icon { width: 62px; height: 62px; border-radius: 50%; background: var(--bg); display: flex; align-items: center; justify-content: center; color: var(--green); font-size: 26px; margin: 0 auto 20px; }

/* Gallery head */
.rk-gallery-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 36px; flex-wrap: wrap; gap: 18px; }

/* Process */
.rk-process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.rk-process__step { text-align: center; }
.rk-process__num { width: 54px; height: 54px; border-radius: 50%; color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 22px; margin: 0 auto 16px; }
.rk-process__num--green { background: var(--green); }
.rk-process__num--rose { background: var(--rose); }

/* CTA */
.rk-cta { background: linear-gradient(135deg, var(--green), var(--green-deep)); border-radius: 32px; padding: 62px 48px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.rk-cta__heart { position: absolute; color: rgba(255,255,255,.12); }
.rk-cta__heart--tr { top: 24px; right: 34px; font-size: 60px; }
.rk-cta__heart--bl { bottom: 18px; left: 34px; font-size: 44px; color: rgba(255,255,255,.1); }

/* Footer */
.rk-footer { padding: 0 0 56px; }

/* Responsive: page components */
@media (max-width: 960px) {
  .rk-about-grid { grid-template-columns: 1fr; gap: 40px; }
  .rk-about-grid__media { max-width: 420px; margin: 0 auto; }
  .rk-badge { left: 0; bottom: -20px; }
  .rk-process { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}
@media (max-width: 720px) {
  .rk-grid-3 { grid-template-columns: 1fr 1fr; gap: 16px; }
  .rk-hero-collage { gap: 12px; }
}
@media (max-width: 520px) {
  .rk-grid-3 { grid-template-columns: 1fr; }
  .rk-process { grid-template-columns: 1fr; }
  .rk-hero-collage { grid-template-columns: 1fr 1fr; }
  .rk-hero-collage__item--drop { margin-top: 0; }
  .rk-cta { padding: 44px 26px; }
}

/* Values grid */
.rk-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* Equipment cards */
.rk-equip { border: 1px solid rgba(110,146,120,.2); border-radius: var(--r-card); overflow: hidden; }
.rk-equip__img { aspect-ratio: 4/3; align-items: flex-end; }
.rk-equip__body { padding: 26px 24px; }

/* Chips */
.rk-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.rk-chip { background: #fff; border: 1px solid var(--field-border); border-radius: var(--r-pill); padding: 12px 24px; font-size: 15px; color: var(--text); }

@media (max-width: 960px) {
  .rk-grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .rk-grid-3 .rk-equip { grid-column: auto; }
}
@media (max-width: 520px) {
  .rk-grid-4 { grid-template-columns: 1fr; }
}

/* Portfolio filters + tiles */
.rk-filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.rk-filter { cursor: pointer; font-family: var(--font-body); font-weight: 600; font-size: 14px; transition: background var(--t), color var(--t), border-color var(--t); }
.rk-filter.is-active { background: var(--green); color: #fff; border-color: var(--green); }
.rk-pf { display: flex; }
.rk-pf__tag { align-self: flex-start; background: rgba(255,255,255,.7); border-radius: var(--r-pill); padding: 4px 12px; font-size: 11px; font-weight: 600; color: var(--green); }
.rk-pf__name { font-size: 19px; color: var(--text); }

/* Contact page */
.rk-contact-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 32px; align-items: start; }
.rk-contact-card-form { background: #fff; border-radius: 28px; padding: 44px 42px; box-shadow: 0 10px 30px rgba(58,50,47,.05); }
.rk-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.rk-contact-aside { display: flex; flex-direction: column; gap: 18px; }
.rk-contact-card { text-decoration: none; background: #fff; border-radius: 22px; padding: 26px 24px; display: flex; gap: 16px; align-items: flex-start; transition: transform var(--t-slow), box-shadow var(--t-slow); }
.rk-contact-card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(201,136,154,.14); }
.rk-contact-card__icon { flex: none; width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.rk-contact-card__icon--green { background: #EEF4EF; color: var(--green); }
.rk-contact-card__icon--rose { background: #F8ECE8; color: var(--rose); }
.rk-contact-card__k { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--rose); font-weight: 700; margin-bottom: 4px; }
.rk-contact-card__v { font-size: 20px; color: var(--text); }
.rk-contact-card__s { font-size: 13px; color: #8a7d77; margin-top: 2px; }
.rk-hours { background: var(--green); color: #fff; border-radius: 22px; padding: 28px 24px; }
.rk-hours__k { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.8); font-weight: 700; margin-bottom: 16px; }
.rk-hours__row { display: flex; justify-content: space-between; font-size: 15px; padding: 7px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.rk-location { background: #fff; border-radius: 28px; overflow: hidden; display: grid; grid-template-columns: 1fr 1fr; }
.rk-location__body { padding: 48px 44px; }
.rk-location__map { min-height: 340px; position: relative; }

@media (max-width: 880px) {
  .rk-contact-grid { grid-template-columns: 1fr; }
  .rk-location { grid-template-columns: 1fr; }
  .rk-location__map { min-height: 260px; }
}
@media (max-width: 520px) {
  .rk-contact-card-form { padding: 30px 24px; }
  .rk-form-row { grid-template-columns: 1fr; }
  .rk-location__body { padding: 32px 24px; }
}