/* ==========================================================================
   Haus of Holtz — 2026 rebuild
   Design tokens, base styles, header/footer chrome, case-study components.
   Scoped to new pages only — does not touch style.css / global.css / responsive.css.
   ========================================================================== */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 380 620;
  font-display: swap;
  src: url("../fonts/inter/inter-variable.woff2") format("woff2");
}

/* ---------------------------------- tokens ---------------------------------- */

:root {
  /* palette — black on white, no color accent */
  --ink: #000000;
  --ink-soft: #333333;
  --muted: #6b6b6b;
  --paper: #ffffff;
  --paper-dim: #f5f5f5;
  --line: #e3e3e3;
  --accent: #000000;
  --accent-ink: #ffffff;

  /* type */
  --font-display: "Times New Roman", Times, "Liberation Serif", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-hero: clamp(1.875rem, 1.5rem + 2vw, 3.25rem);
  --text-h2: clamp(1.75rem, 1.35rem + 1.9vw, 2.75rem);
  --text-h3: clamp(1.25rem, 1.1rem + 0.7vw, 1.5rem);
  --text-body: clamp(1rem, 0.94rem + 0.3vw, 1.125rem);
  --text-tagline: clamp(1.0625rem, 0.98rem + 0.4vw, 1.375rem);
  --text-small: clamp(0.8125rem, 0.8rem + 0.1vw, 0.875rem);
  --text-meta: 0.8125rem;

  /* rhythm */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: clamp(2rem, 1.6rem + 1.8vw, 3rem);
  --space-5: clamp(3rem, 2.2rem + 3.6vw, 5rem);
  --space-6: clamp(4.5rem, 3.2rem + 5.8vw, 8rem);

  --container-max: 1440px;
  --gutter: clamp(1.25rem, 1rem + 3vw, 4.5rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.6s;
}

@media (prefers-color-scheme: dark) {
  /* Intentionally not auto-switching to dark mode — the editorial paper tone
     is a brand choice, not a default that should invert with OS preference. */
}

/* ---------------------------------- reset ---------------------------------- */

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-2);
  z-index: 1000;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75em 1.25em;
  font-family: var(--font-sans);
  font-size: var(--text-meta);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: top 0.2s var(--ease-out);
}

.skip-link:focus {
  top: var(--space-2);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------------------------------- reveal-on-scroll ---------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------------------------------- site header ---------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: transform 0.4s var(--ease-out);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header:has(.mobile-nav.is-open) {
  background: var(--paper);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-header__logo img {
  height: 44px;
  width: auto;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

.site-nav a {
  font-size: var(--text-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  border-color: var(--accent);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

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

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

.mobile-nav {
  position: fixed;
  inset: 0;
  top: 57px;
  z-index: 90;
  background: var(--paper);
  padding: var(--space-4) var(--gutter);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
}

@media (min-width: 860px) {
  .site-nav {
    display: flex;
  }

  .nav-toggle,
  .mobile-nav {
    display: none;
  }
}

/* ---------------------------------- footer ---------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-5);
  text-align: center;
}

.site-footer__wordmark {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75em;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.site-footer__wordmark img {
  height: 88px;
  width: auto;
}

.site-footer__social {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
  font-size: var(--text-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer__social a {
  color: var(--ink-soft);
  transition: color 0.25s var(--ease-out);
}

.site-footer__social a:hover,
.site-footer__social a:focus-visible {
  color: var(--accent);
}

.site-footer__copyright {
  margin-top: var(--space-4);
  color: var(--muted);
  font-size: var(--text-meta);
  letter-spacing: 0.03em;
}

/* ---------------------------------- case study ---------------------------------- */

.case-study__intro {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-block: calc(var(--space-3) * 2) var(--space-5);
  padding-inline: var(--gutter);
  text-align: left;
}

.case-study__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.case-study__tagline {
  margin-top: var(--space-3);
  font-size: var(--text-small);
  font-weight: 400;
  color: var(--ink);
  font-family: var(--font-display);
  max-width: 65ch;
}

.case-study__description {
  margin-top: var(--space-3);
  font-size: var(--text-small);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  max-width: 65ch;
}

.case-study__hero {
  margin: 0;
}

.case-study__hero img {
  width: 100%;
  object-fit: cover;
}

.case-study__callouts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.case-study__callouts li {
  background: var(--ink);
  color: var(--paper);
  border-radius: 0;
  padding: 0.08em 1.1em;
  font-family: var(--font-sans);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.case-study__gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-block: var(--space-5);
}

.frame {
  margin: 0;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.frame img,
.frame video {
  width: 100%;
  object-fit: cover;
}

.frame--tall img {
  height: 88vh;
  max-height: 1100px;
  object-position: top;
}

.frame--narrow img {
  width: 100%;
  max-width: 480px;
  height: auto;
  object-fit: contain;
  margin-inline: auto;
}

.pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.pair figure {
  margin: 0;
}

.pair img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 700px) {
  .pair {
    grid-template-columns: 1fr 1fr;
  }
}

/* dense photography grid — for case studies with a large volume of campaign imagery */
.wall {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wall figure {
  margin: 0;
}

.wall img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.wall .span-2 {
  grid-column: span 2;
}

.wall .span-2 img {
  aspect-ratio: 16 / 10;
}

@media (min-width: 700px) {
  .wall {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1100px) {
  .wall {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* locked to 2 columns at every breakpoint — for a grouped set that should never fall into a 3-up row */
.wall.wall--pairs {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 700px) {
  .wall.wall--pairs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .wall.wall--pairs {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* skips the 3-column tablet tier — rows are always 2-up or 4-up, never an odd 3 */
.wall.wall--quad {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 700px) {
  .wall.wall--quad {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .wall.wall--quad {
    grid-template-columns: repeat(4, 1fr);
  }
}

.case-study__nav {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-4) var(--gutter) var(--space-6);
  text-align: center;
}

/* editorial text block — inserted between images in a gallery to carry campaign copy */
.case-study__text {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-3) var(--gutter);
}

.case-study__text-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--space-1);
}

.case-study__text h3 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: var(--space-2);
  max-width: 20ch;
}

.case-study__text p {
  font-family: var(--font-display);
  font-size: var(--text-small);
  line-height: 1.6;
  color: var(--ink);
  max-width: 65ch;
}

.case-study__text p + p {
  margin-top: var(--space-2);
}

.case-study__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--text-meta);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.25s var(--ease-out);
}

.case-study__back:hover,
.case-study__back:focus-visible {
  color: var(--accent);
}

/* ---------------------------------- homepage ---------------------------------- */

.home-intro {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-block: calc(var(--space-3) * 2) var(--space-2);
  padding-inline: var(--gutter);
  text-align: left;
}

.home-intro__role {
  font-size: var(--text-tagline);
  font-weight: 400;
  font-family: var(--font-display);
  color: var(--ink);
}

.index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4) var(--space-3);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-3) var(--gutter) var(--space-6);
}

@media (min-width: 700px) {
  .index-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .index-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.index-grid__item a {
  display: block;
}

.index-grid__thumb {
  margin: 0;
  overflow: hidden;
}

.index-grid__thumb img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}

.index-grid__item a:hover .index-grid__thumb img,
.index-grid__item a:focus-visible .index-grid__thumb img {
  transform: scale(1.03);
}

.index-grid__title {
  margin-top: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

/* ---------------------------------- about page ---------------------------------- */

.about__logo {
  height: 76px;
  width: auto;
  margin-bottom: var(--space-3);
}

.about {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-3) var(--gutter) var(--space-6);
}

@media (min-width: 860px) {
  .about {
    grid-template-columns: minmax(300px, 440px) 1fr;
    align-items: start;
  }
}

.about__photo {
  margin: 0;
  max-width: 320px;
  justify-self: start;
}

.about__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.about__text {
  text-align: left;
}

.about__text p {
  font-family: var(--font-display);
  font-size: var(--text-small);
  line-height: 1.6;
  color: var(--ink);
  max-width: 58ch;
}

.about__text p + p {
  margin-top: var(--space-3);
}

.about__contact {
  margin-top: var(--space-4) !important;
  font-family: var(--font-sans) !important;
  font-size: var(--text-meta) !important;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted) !important;
}

.about__contact a {
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.about__contact a:hover,
.about__contact a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------------------------------- contact page ---------------------------------- */

.contact {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--space-6);
}

.contact__text p {
  font-family: var(--font-display);
  font-size: var(--text-small);
  line-height: 1.6;
  color: var(--ink);
  max-width: 60ch;
}

.contact__text p + p {
  margin-top: var(--space-3);
}

.contact__cta {
  margin-top: var(--space-5);
}

.contact__email {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.15em;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.contact__email:hover,
.contact__email:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.contact__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact__social a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.contact__social a:hover,
.contact__social a:focus-visible {
  color: var(--ink);
  border-color: var(--line);
}