/* ============================================================
   Ross Design Studio — main stylesheet
   Ported from the Claude Design handoff (Portfolio v2.dc.html
   + _ds_bundle.js component styles). Plain CSS, no build step.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; background: var(--canvas); }
h1, h2, h3, h4, p { margin: 0; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: var(--text-accent); }

body {
  font-family: var(--font-sans);
  font-weight: var(--weight-light);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--container-max); margin: 0 auto; padding-left: var(--page-margin); padding-right: var(--page-margin); }

.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.g2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(2.5rem, 5vw, 6rem); }
@media (max-width: 900px) { .g3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .g3 { grid-template-columns: 1fr; } }
@media (max-width: 700px) { .g2 { grid-template-columns: 1fr; } }

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(249,246,240,0.92);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header__bar {
  max-width: var(--container-max); margin: 0 auto; padding: 0 var(--page-margin);
  height: 78px; display: flex; align-items: center; justify-content: space-between;
}
.site-header__logo { line-height: 0; }
.site-header__logo img { height: 20px; width: auto; }
.site-nav { display: flex; align-items: center; gap: var(--space-6); }
.site-nav__toggle { display: none; }

.navlink {
  transition: color 200ms ease;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  cursor: pointer;
}
.navlink:hover { color: var(--text-primary); }
.navlink.is-active { color: var(--text-primary); border-bottom: 1px solid var(--ink); padding-bottom: 2px; }

@media (max-width: 700px) {
  .site-nav { position: fixed; inset: 78px 0 0 0; background: var(--canvas); flex-direction: column; align-items: flex-start; gap: var(--space-5); padding: var(--space-7) var(--page-margin); transform: translateX(100%); transition: transform 280ms var(--ease-out); }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav__toggle { display: block; background: none; border: none; cursor: pointer; padding: 8px; }
  .site-nav__toggle span { display: block; width: 22px; height: 1px; background: var(--ink); margin: 5px 0; }
}

/* ---- Vertical section label ---- */
#vert-label { position: fixed; right: clamp(14px,1.8vw,22px); top: 50%; transform: translateY(-50%); z-index: 40; pointer-events: none; display: flex; flex-direction: column; align-items: center; gap: 3px; transition: opacity .35s ease; }
#vert-label span { display: block; font-family: var(--font-sans); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--clay); line-height: 1.55; text-align: center; }
@media (max-width: 768px) { #vert-label { display: none !important; } }

/* ---- Hero ---- */
.hero { position: relative; height: calc(100vh - 78px); min-height: 520px; display: flex; align-items: flex-end; overflow: hidden; }
.hero--detail { height: 78vh; min-height: 440px; }
.hero--short { min-height: 440px; }
.hero__bg { position: absolute; inset: 0; background: var(--ink); }
.hero__img { position: absolute; inset: 0; background-size: cover; background-position: center; background-repeat: no-repeat; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(42,34,26,0.84) 0%, rgba(42,34,26,0.4) 45%, rgba(42,34,26,0.08) 80%, transparent 100%); }
.hero__scrim--detail { background: linear-gradient(to top, rgba(42,34,26,0.72) 0%, rgba(42,34,26,0.28) 50%, transparent 80%); }
.hero__content { position: relative; z-index: 2; width: 100%; max-width: var(--container-max); margin: 0 auto; padding: clamp(3.5rem,7vw,5.5rem) var(--page-margin); }
.hero__content--bottom { position: absolute; bottom: 0; left: 0; right: 0; padding: clamp(2.5rem,5vw,4rem) var(--page-margin); }
.hero__kicker { font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(252,250,246,0.55); margin-bottom: var(--space-5); animation: heroIn 900ms cubic-bezier(0.16,1,0.3,1) 80ms both; }
.hero__title { font-family: var(--font-serif); font-weight: 300; font-size: clamp(2.75rem,6vw,5.5rem); line-height: 1.06; letter-spacing: -0.02em; color: #FCFAF6; margin: 0 0 var(--space-5); max-width: 20ch; animation: heroIn 900ms cubic-bezier(0.16,1,0.3,1) 200ms both; }
.hero__title--sm { font-size: clamp(2.25rem,4.5vw,3.5rem); line-height: 1.1; letter-spacing: -0.015em; max-width: 26ch; }
.hero__lede { font-family: var(--font-sans); font-weight: 300; font-size: var(--text-body); line-height: var(--leading-normal); color: rgba(252,250,246,0.68); max-width: 44ch; margin-bottom: var(--space-7); animation: heroIn 900ms cubic-bezier(0.16,1,0.3,1) 340ms both; }
.hero__cta { animation: heroIn 900ms cubic-bezier(0.16,1,0.3,1) 460ms both; }
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Eyebrow ---- */
.eyebrow { display: inline-flex; align-items: center; gap: 0.85em; }
.eyebrow__rule { width: 28px; height: 1px; background: var(--line); flex: none; }
.eyebrow__label { font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-secondary); }
.eyebrow__label--primary { color: var(--text-primary); }

/* ---- ArrowLink ---- */
.arrow-link { display: inline-flex; align-items: center; gap: 0.7em; font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; color: var(--text-accent); transition: color var(--duration-fast) var(--ease-soft); }
.arrow-link:hover { color: var(--ink); }
.arrow-link--onDark { color: var(--text-on-dark); }
.arrow-link--onDark:hover { color: var(--tan); }
.arrow-link__label { background-image: linear-gradient(currentColor, currentColor); background-repeat: no-repeat; background-position: 0 100%; background-size: 0% 1px; padding-bottom: 2px; transition: background-size var(--duration) var(--ease-out); }
.arrow-link:hover .arrow-link__label { background-size: 100% 1px; }
.arrow-link__arrow { display: inline-block; transition: transform var(--duration) var(--ease-out); }
.arrow-link:hover .arrow-link__arrow { transform: translateX(4px); }

/* ---- Section header row ---- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: clamp(2rem,4vw,3rem); padding-bottom: var(--space-5); border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: var(--space-4); }

/* ---- ProjectCard ---- */
.project-card { display: block; text-decoration: none; color: inherit; }
.project-card__media { position: relative; overflow: hidden; aspect-ratio: 4/5; background: var(--linen); border-radius: var(--radius-sm); }
.project-card__media--wide { aspect-ratio: 3/2; }
.project-card__img { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform var(--duration-slow) var(--ease-out); }
.project-card:hover .project-card__img { transform: scale(1.04); }
.project-card__scrim { position: absolute; inset: 0; background: var(--scrim-soft); opacity: 0; transition: opacity var(--duration) var(--ease-soft); display: flex; align-items: flex-end; padding: var(--space-4); }
.project-card:hover .project-card__scrim { opacity: 1; }
.project-card__view { display: inline-flex; align-items: center; gap: 0.7em; font-family: var(--font-sans); font-weight: 500; font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--canvas); transform: translateY(6px); transition: transform var(--duration) var(--ease-out); }
.project-card:hover .project-card__view { transform: translateY(0); }
.project-card__view span { transition: transform var(--duration) var(--ease-out); display: inline-block; }
.project-card:hover .project-card__view span { transform: translateX(3px); }
.project-card__body { padding-top: var(--space-4); }
.project-card__cat { font-family: var(--font-sans); font-weight: 500; font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-secondary); margin-bottom: 8px; }
.project-card__title { font-family: var(--font-serif); font-weight: 300; font-style: italic; font-size: var(--text-h3); line-height: 1.1; letter-spacing: -0.01em; margin: 0; color: var(--text-primary); transition: color var(--duration-fast) var(--ease-soft); }
.project-card:hover .project-card__title { color: var(--bark); }
.project-card__meta { margin-top: 8px; font-family: var(--font-sans); font-weight: 300; font-size: var(--text-caption); color: var(--text-secondary); }

/* ---- Pullquote ---- */
.pullquote { margin: 0; max-width: 24ch; }
.pullquote blockquote { margin: 0; font-family: var(--font-serif); font-weight: 300; font-style: italic; font-size: clamp(1.875rem, 3.4vw, 2.75rem); line-height: 1.22; letter-spacing: -0.01em; color: var(--text-primary); }
.pullquote--onDark blockquote { color: var(--text-on-dark); }

/* ---- FilterChip ---- */
.chip-row { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-chip { display: inline-flex; align-items: center; gap: 0.6em; padding: 9px 18px; border-radius: var(--radius-pill); font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; cursor: pointer; background: transparent; color: var(--text-secondary); border: 1px solid var(--line); transition: background var(--duration-fast) var(--ease-soft), color var(--duration-fast) var(--ease-soft), border-color var(--duration-fast) var(--ease-soft); }
.filter-chip:hover { background: var(--ink-08); color: var(--text-primary); border-color: var(--line-strong); }
.filter-chip.is-active { background: var(--ink); color: var(--canvas); border-color: var(--ink); }
.filter-chip__count { opacity: 0.6; font-variant-numeric: tabular-nums; }

/* ---- Tag ---- */
.tag { display: inline-flex; align-items: center; gap: 0.55em; padding: 5px 12px; border-radius: var(--radius-pill); font-family: var(--font-sans); font-weight: 500; font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.12em; line-height: 1; background: var(--linen); color: var(--text-accent); border: 1px solid transparent; }

/* ---- Input / Textarea ---- */
.field { display: flex; flex-direction: column; gap: 8px; }
.field__label { font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary); }
.field__label .req { color: var(--bark); }
.field__input, .field__textarea {
  width: 100%; font-family: var(--font-sans); font-weight: 300; font-size: var(--text-body); color: var(--text-primary);
  line-height: 1.5; padding: 8px 0; border: none; border-bottom: 1px solid var(--line-strong); border-radius: 0; background: transparent;
  transition: border-color var(--duration-fast) var(--ease-soft); outline: none;
}
.field__textarea { padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--bg-raised); resize: vertical; line-height: var(--leading-normal); }
.field__input::placeholder, .field__textarea::placeholder { color: var(--text-secondary); opacity: .7; }
.field__input:focus, .field__textarea:focus { border-color: var(--ink); }

/* ---- Button ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.6em; padding: 13px 26px; font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; line-height: 1; border-radius: var(--radius-sm); cursor: pointer; border: 1px solid var(--ink); background: var(--ink); color: var(--canvas); transition: background var(--duration-fast) var(--ease-soft), color var(--duration-fast) var(--ease-soft), border-color var(--duration-fast) var(--ease-soft); }
.btn:hover { background: var(--bark); border-color: var(--bark); }

/* ---- Footer ---- */
.site-footer { background: var(--surface-ink); color: var(--text-on-dark); }
.site-footer__inner { max-width: var(--container-max); margin: 0 auto; padding: var(--space-9) var(--page-margin) var(--space-7); }
.site-footer__lede { font-family: var(--font-serif); font-weight: 300; font-style: italic; font-size: clamp(2rem,4vw,3.25rem); line-height: 1.08; letter-spacing: -0.01em; color: var(--text-on-dark); max-width: 18ch; margin-bottom: var(--space-8); }
.foot-cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-7); padding-bottom: var(--space-7); border-bottom: 1px solid var(--line-on-dark); }
@media (max-width: 700px) { .foot-cols { grid-template-columns: 1fr 1fr; } }
.foot-col__head { font-family: var(--font-sans); font-weight: 500; font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-muted-on-dark); margin-bottom: var(--space-4); }
.foot-col__body { font-family: var(--font-sans); font-weight: 300; font-size: var(--text-small); line-height: 1.75; color: var(--text-on-dark); }
.foot-col__links { display: flex; flex-direction: column; gap: 8px; }
.footlink { transition: color 180ms ease; text-decoration: none; font-family: var(--font-sans); font-weight: 300; font-size: var(--text-small); color: var(--text-on-dark); }
.footlink:hover { color: var(--tan) !important; }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-5); flex-wrap: wrap; gap: var(--space-4); }
.site-footer__bottom img { height: 20px; width: auto; opacity: .85; }
.site-footer__copy { font-family: var(--font-sans); font-weight: 300; font-size: var(--text-caption); color: var(--text-muted-on-dark); }

/* ---- Misc shared patterns ---- */
.press-item + .press-item { border-top: 1px solid var(--border); }
.philo-card + .philo-card { border-top: 1px solid var(--border); padding-top: var(--space-6); margin-top: var(--space-6); }
@media (min-width: 760px) { .philo-card + .philo-card { border-top: none; padding-top: 0; margin-top: 0; } }

.team-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: clamp(1.25rem,2.5vw,2rem); align-items: start; }
@media (min-width: 901px) { .team-pam { grid-row: span 2; } }
@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px) { .team-grid { grid-template-columns: 1fr 1fr; gap: 1rem; } }
.team-card__photo { aspect-ratio: 3/4; margin-bottom: var(--space-4); background-size: cover; background-position: center; }
.team-card__role { font-family: var(--font-sans); font-weight: 500; font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-secondary); margin-bottom: var(--space-2); }
.team-card__name { font-family: var(--font-serif); font-weight: 300; font-style: italic; font-size: 1rem; color: var(--text-primary); line-height: 1.25; }
.team-pam .team-card__name { font-size: clamp(1.125rem,1.8vw,1.375rem); }
.team-card__nick { font-family: var(--font-sans); font-weight: 300; font-size: var(--text-caption); color: var(--clay); margin-top: 4px; letter-spacing: 0.04em; }

.client-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
@media (max-width: 900px) { .client-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 600px) { .client-grid { grid-template-columns: repeat(3, 1fr); } }
.client-cell { padding: var(--space-5) var(--space-4); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: center; min-height: 76px; transition: background 200ms ease; }
.client-cell span { font-family: var(--font-sans); font-weight: 500; font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--text-secondary); text-align: center; line-height: 1.7; }

.meta-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
@media (max-width: 700px) { .meta-grid { grid-template-columns: repeat(2, 1fr); } }
.meta-cell { padding: var(--space-5) var(--space-6); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.meta-cell__label { font-family: var(--font-sans); font-weight: 500; font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-secondary); margin-bottom: var(--space-3); }
.meta-cell__value { font-family: var(--font-sans); font-weight: 300; font-size: var(--text-small); color: var(--text-primary); line-height: 1.5; }

.stats-strip { background: var(--surface-ink); padding: clamp(3.5rem,6vw,5rem) var(--page-margin); }
.stats-strip__grid { max-width: var(--container-max); margin: 0 auto; display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-7); text-align: center; }
.stat__num { font-family: var(--font-serif); font-weight: 300; font-size: clamp(2.5rem,5vw,4.5rem); color: var(--text-on-dark); line-height: 1; margin-bottom: var(--space-3); }
.stat__label { font-family: var(--font-sans); font-weight: 500; font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-muted-on-dark); }

.gallery-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-5); margin-top: var(--space-5); }
.gallery-grid__item { width: 100%; aspect-ratio: 4/3; background-size: cover; background-position: center; background-color: var(--linen); }

/* ---- Scroll reveal ---- */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 720ms cubic-bezier(0.16,1,0.3,1), transform 720ms cubic-bezier(0.16,1,0.3,1); }
  [data-reveal].is-visible { opacity: 1; transform: translateY(0); }
}

/* ---- Generic section spacing helpers ---- */
.section { max-width: var(--container-max); margin: 0 auto; padding: clamp(5rem,9vw,7rem) var(--page-margin); }
.section--tight { padding: clamp(4rem,9vw,7rem) var(--page-margin) clamp(2.5rem,4vw,3.5rem); }
.band { padding: clamp(5rem,9vw,8rem) var(--page-margin); }
.band--linen { background: var(--linen); }
.band--canvas { background: var(--canvas); }