/* ============================================================
   RŌZ Hair — Components — buttons, links, forms, chips, cards,
   nav, footer. All visual rules map 1:1 to the Figma components.
   ============================================================ */

/* ====== BUTTON ======
   Matrix from Figma: Style × Color × Size × State.
   - Style:  solid | outline | icon
   - Color:  seaglass | dark | white
   - Size:   L (40h / 24px pad) | M (28h / 12px pad) | S (hit-target smaller)
*/
.btn {
  font-family: var(--ff-sans);
  font-size: var(--fs-cta-s);
  line-height: var(--lh-ui);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--roz-black);
  background: transparent;
  border: 1px solid transparent;
  padding: 12px 24px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  border-radius: 0;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--roz-black); outline-offset: 2px; }

/* Sizes */
.btn--l  { padding: 12px 24px; font-size: var(--fs-cta-s); }
.btn--m  { padding: 6px 12px;  font-size: var(--fs-micro); min-height: 28px; }
.btn--xl { padding: 16px 32px; font-size: var(--fs-cta-m); }

/* Style — solid (border-only at rest, fills on hover) */
.btn--solid { background: transparent; color: var(--roz-black); border-color: var(--roz-black); }
.btn--solid:hover { background: var(--roz-black); color: var(--roz-white); border-color: var(--roz-black); }

.btn--solid.btn--seaglass { background: transparent; color: var(--roz-black); border-color: var(--roz-black); }
.btn--solid.btn--seaglass:hover { background: var(--roz-seaglass); color: var(--roz-black); border-color: var(--roz-seaglass); }

.btn--solid.btn--white { background: transparent; color: var(--roz-white); border-color: var(--roz-white); }
.btn--solid.btn--white:hover { background: var(--roz-white); color: var(--roz-black); border-color: var(--roz-white); }

/* Style — outline (alias of solid — kept for legacy markup) */
.btn--outline { background: transparent; color: var(--roz-black); border-color: var(--roz-black); }
.btn--outline:hover { background: var(--roz-black); color: var(--roz-white); border-color: var(--roz-black); }

.btn--outline.btn--seaglass { background: transparent; color: var(--roz-black); border-color: var(--roz-black); }
.btn--outline.btn--seaglass:hover { background: var(--roz-seaglass); border-color: var(--roz-seaglass); }

.btn--outline.btn--white { background: transparent; color: var(--roz-white); border-color: var(--roz-white); }
.btn--outline.btn--white:hover { background: var(--roz-white); color: var(--roz-black); border-color: var(--roz-white); }

/* Style — icon (40×40 square) */
.btn--icon {
  width: 40px; height: 40px;
  padding: 0;
  border: 1px solid transparent;
  background: transparent;
}
.btn--icon:hover { background: var(--roz-seaglass); border-color: var(--roz-seaglass); }

/* Inactive */
.btn[disabled], .btn--inactive {
  opacity: 0.4;
  pointer-events: none;
}

/* ====== LINK (secondary button) ======
   Underlined text link, uppercase, tracked. */
.link-under {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--ff-sans);
  font-size: var(--fs-body-s);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--roz-black);
  padding-bottom: 2px;
  text-decoration: none;
  border-bottom: 1px solid var(--roz-black);
  transition: color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.link-under:hover { color: var(--roz-muted); border-bottom-color: var(--roz-muted); }
.link-under.is-light { color: var(--roz-white); border-color: var(--roz-white); }

/* ====== TEXT FIELD ====== */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  width: 100%;
}
.field__label {
  font-family: var(--ff-label);
  font-size: var(--fs-eyebrow-m);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--roz-black);
}
.field__input {
  font-family: var(--ff-sans);
  font-size: var(--fs-body-l);
  line-height: var(--lh-body);
  color: var(--roz-black);
  background: var(--roz-dew);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 0;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.field__input:focus { border-color: var(--roz-black); }
.field--bg-white .field__input { background: var(--roz-white); }

/* ====== CHIPS (tag / filter) ====== */
.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--ff-label);
  font-size: var(--fs-eyebrow-m);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--roz-black);
  padding: 6px 14px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.chip:hover { border-color: var(--roz-black); }
.chip.is-selected { background: var(--roz-black); color: var(--roz-white); border-color: var(--roz-black); }

/* ====== EYEBROW TAG (no interaction, used on cards) ====== */
.tag {
  font-family: var(--ff-label);
  font-size: var(--fs-eyebrow-m);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--roz-black);
}

/* ====== PROMO CARD (thin horizontal bar) ====== */
.promo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 14px 24px;
  background: var(--roz-white);
  border: 1px solid var(--border);
  font-family: var(--ff-label);
  font-size: var(--fs-eyebrow-m);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--roz-black);
}

/* ====== PRODUCT CARD ======
   V3: square-edge, no shadow at rest. The card no longer carries a soft border
   — the photo carries the weight. The placeholder swatch uses --bg (Dew) when
   no image is provided. */
.pcard {
  display: flex;
  flex-direction: column;
  background: var(--bg-alt);
}
.pcard__media {
  aspect-ratio: 3/4;
  background: var(--bg);
  overflow: hidden;
  position: relative;
}
.pcard__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pcard__body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-5) var(--sp-4) var(--sp-5);
}
.pcard__tag   { font-family: var(--ff-label); font-size: var(--fs-eyebrow-m); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--roz-muted); }
.pcard__name  { font-family: var(--ff-serif); font-size: var(--fs-h4); line-height: var(--lh-heading); }
.pcard__desc  { font-size: var(--fs-body-s); color: var(--roz-muted); }
.pcard__price { font-size: var(--fs-body-l); font-family: var(--ff-serif); }

/* ====== ARTICLE BYLINE / TAG-LINE ======
   V2-derived pattern. Used on featured articles, article heroes, and journal
   detail pages. Three eyebrow-tracked spans joined by a middle dot.
   Example markup:
     <p class="byline">
       <span>TUTORIAL</span><span>10 OCT 2025</span><span>6 MIN READ</span>
     </p>
   Wraps cleanly on narrow viewports. */
.byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--ff-label);
  font-size: var(--fs-eyebrow-m);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--fg);
  margin: 0;
  padding: 0;
}
.byline > span { display: inline-flex; align-items: center; gap: var(--sp-3); }
.byline > span + span::before {
  content: "·";
  display: inline-block;
  color: var(--fg-muted);
  font-family: var(--ff-sans);
  margin-right: var(--sp-3);
  margin-left: calc(var(--sp-3) * -1);
}
.byline.is-light { color: var(--fg-on-dark); }
.byline.is-light > span + span::before { color: rgba(253, 253, 247, 0.6); }

/* ====== BLOG CARD ====== */
.bcard { display: flex; flex-direction: column; border: 1px solid var(--border); padding: 0 var(--sp-4) var(--sp-5); }
.bcard__media { aspect-ratio: 3/4; overflow: hidden; margin: 0 calc(var(--sp-4) * -1); flex: 0 0 auto; }
.bcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.bcard:hover .bcard__media img { transform: scale(1.04); }
.bcard__body { display: flex; flex-direction: column; gap: var(--sp-3); padding-top: var(--sp-5); flex: 1 1 auto; }
.bcard__tag { font-family: var(--ff-label); font-size: var(--fs-eyebrow-m); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--roz-black); }
.bcard__title { font-family: var(--ff-serif); font-size: 20px; line-height: var(--lh-heading); flex: 1 1 auto; }
.bcard .link-under { margin-top: auto; align-self: flex-start; }

/* ====== LOGO (wordmark) ======
   RŌZ is set in Cardo with a macron over the O. */
.logo {
  font-family: var(--ff-serif);
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0.15em;
  color: var(--roz-black);
  font-weight: 400;
}
.logo.is-light { color: var(--roz-white); }
.logo .logo__big { font-size: 42px; }

/* ====== NAVIGATION ====== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--roz-dew);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}
.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--gutter-desktop);
  gap: var(--sp-5);
}
.nav__links { display: flex; gap: var(--sp-6); align-items: center; }
.nav__links a {
  font-family: var(--ff-label);
  font-size: var(--fs-eyebrow-m);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--roz-black);
  transition: opacity var(--dur-fast) var(--ease-out);
}
.nav__links a:hover { opacity: 0.6; }
.nav__right { display: flex; justify-content: flex-end; gap: var(--sp-5); align-items: center; }
.nav--dark { background: var(--roz-black); border-bottom-color: rgba(255,255,255,0.12); }
.nav--dark .nav__links a, .nav--dark .logo { color: var(--roz-white); }

@media (max-width: 768px) {
  .nav__inner { grid-template-columns: auto 1fr auto; padding-inline: var(--gutter-mobile); }
  .nav__links { display: none; }
}

/* ====== FOOTER ====== */
.footer {
  background: var(--roz-seaglass);
  padding: var(--sp-10) var(--gutter-desktop);
  color: var(--roz-black);
}
.footer__inner { max-width: var(--container-max); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-7); }
.footer__col-title {
  font-family: var(--ff-label);
  font-size: var(--fs-eyebrow-m);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  margin-bottom: var(--sp-5);
}
.footer__links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--sp-2); }
.footer__links a { font-size: var(--fs-body-s); letter-spacing: var(--ls-body-s); }
.footer__links a:hover { opacity: 0.7; }
.footer__bottom {
  max-width: var(--container-max); margin: 0 auto;
  padding-top: var(--sp-8); margin-top: var(--sp-8);
  border-top: 1px solid rgba(51,51,49,0.3);
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: var(--sp-7);
}
.footer__tagline { font-family: var(--ff-serif); font-size: var(--fs-h3); max-width: 320px; }
.footer__meta { font-size: var(--fs-micro); letter-spacing: var(--ls-eyebrow); text-transform: uppercase; display: flex; gap: var(--sp-6); }

@media (max-width: 768px) {
  .footer { padding: var(--sp-8) var(--gutter-mobile); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ====== DIVIDER ====== */
.hr { border: 0; height: 1px; background: var(--border); margin: var(--sp-8) 0; }

/* ====== SECTION HEADINGS (used inside docs + site) ====== */
.section-label {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--roz-black);
  margin-bottom: var(--sp-7);
}
.section-label .eyebrow { color: var(--roz-black); }