/* chrisduesing.com — Site-wide styles */

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-100: #e5e5e5;
  --gray-300: #a3a3a3;
  --gray-500: #737373;
  --gray-700: #404040;
  --gray-900: #171717;
}

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

body {
  margin: 0;
  padding: 0;
  background: var(--black);
  color: var(--white);
  font-family: "Montserrat", sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

/* Component resets (nav, article, footer, toc) */
.site-nav, .site-nav *, .article-head, .article-head *,
.site-footer, .site-footer *, .article-toc, .article-toc * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Nav */
.site-nav {
  position: relative;
  z-index: 2;
  font-family: 'Montserrat', sans-serif;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-nav-home {
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: opacity 0.2s;
}

.site-nav-home:hover { opacity: 0.7; }

.site-nav-home-icon {
  display: block;
}

.site-nav-links a {
  color: var(--gray-500);
  text-decoration: none;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: 2.5rem;
  transition: color 0.2s;
}

.site-nav-links a:hover { color: var(--white); }

/* ——— Swiss-style grid landing (home, work, writing) ——— */
.swiss-landing {
  --swiss-gutter: clamp(1.5rem, 4vw, 3rem);
  --swiss-col: minmax(0, 1fr);
  display: grid;
  grid-template-columns: repeat(12, var(--swiss-col));
  gap: var(--swiss-gutter);
  padding: var(--swiss-gutter);
  padding-top: 0;
  min-height: calc(100vh - 5rem);
  align-content: start;
}

/* Big title: lower left — same position and size on all Swiss landing pages */
.swiss-landing .swiss-title {
  grid-column: 1 / 5;
  grid-row: 1;
  align-self: end;
  justify-self: start;
  font-family: "Anton", sans-serif;
  font-size: clamp(3.25rem, 11vw, 6.5rem);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--white);
  margin: 0;
  padding: 0;
}

/* Content blocks: logical chunks, placed on grid */
.swiss-block {
  font-family: "Montserrat", sans-serif;
  font-weight: 300;
  font-size: 0.9rem;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--gray-100);
}

/* Homepage (with or without video): larger copy */
.swiss-landing--home .swiss-block {
  font-size: 1rem;
}

.swiss-landing--home .swiss-block p {
  max-width: 48ch;
}

.swiss-block-label {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin: 0 0 0.75rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-900);
}

.swiss-block p {
  margin: 0 0 0.5rem 0;
  max-width: 42ch;
}

.swiss-block p:last-child {
  margin-bottom: 0;
}

.swiss-block .link-list {
  margin: 0;
  padding: 0;
}

.swiss-block .link-list a {
  display: block;
  text-decoration: none;
  color: var(--gray-300);
  font-size: 0.85rem;
  font-weight: 400;
  padding: 0.35rem 0;
  letter-spacing: 0.03em;
  transition: color 0.15s;
  border-bottom: 1px solid transparent;
}

.swiss-block .link-list a:hover {
  color: var(--white);
}

/* Work: fixed 55vh title row so h1 aligns across all four landing pages */
.swiss-landing--work {
  grid-template-rows: 55vh auto;
}

.swiss-landing--work .swiss-block:nth-child(2) {
  grid-column: 1 / 4;
  grid-row: 2;
}

.swiss-landing--work .swiss-block:nth-child(3) {
  grid-column: 4 / 7;
  grid-row: 2;
}

.swiss-landing--work .swiss-block:nth-child(4) {
  grid-column: 7 / 10;
  grid-row: 2;
}

.swiss-landing--work .swiss-block:nth-child(5) {
  grid-column: 10 / 13;
  grid-row: 2;
}

/* Home: same layout as work/writing, two blocks in one row */
.swiss-landing--home {
  grid-template-rows: 55vh auto;
}

.swiss-landing--home .swiss-block:nth-child(2) {
  grid-column: 1 / 5;
  grid-row: 2;
}

.swiss-landing--home .swiss-block:nth-child(3) {
  grid-column: 5 / 9;
  grid-row: 2;
}

/* Writing: three blocks in one row — same title row height as Work */
.swiss-landing--writing {
  grid-template-rows: 55vh auto;
}

.swiss-landing--writing .swiss-block:nth-child(2) {
  grid-column: 1 / 5;
  grid-row: 2;
}

.swiss-landing--writing .swiss-block:nth-child(3) {
  grid-column: 5 / 9;
  grid-row: 2;
}

.swiss-landing--writing .swiss-block:nth-child(4) {
  grid-column: 9 / 13;
  grid-row: 2;
}

/* About: hero as fixed background (no layout space), title same spot as other pages, content starts above title on right */
.swiss-hero {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.swiss-hero img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.swiss-landing--about {
  position: relative;
  z-index: 1;
  grid-template-rows: auto;
  align-items: start;
  min-height: calc(100vh - 5rem);
}

.about-title-zone {
  grid-column: 1 / 5;
  height: 55vh;
  position: relative;
}

.swiss-landing--about .swiss-title {
  position: absolute;
  bottom: 0;
  left: 0;
}

/* Content starts at top right, same row as title zone */
.swiss-landing--about .swiss-about-content {
  grid-column: 6 / 13;
  align-self: start;
  max-width: 52ch;
  font-family: "Montserrat", sans-serif;
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray-100);
}

.swiss-landing--about .swiss-about-content h2 {
  font-family: "Anton", sans-serif;
  font-weight: 400;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--white);
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
}

.swiss-landing--about .swiss-about-content h2:first-child {
  margin-top: 0;
}

.swiss-landing--about .swiss-about-content h3 {
  font-family: "Anton", sans-serif;
  font-weight: 400;
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  color: var(--gray-100);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.swiss-landing--about .swiss-about-content h4 {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--gray-300);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.swiss-landing--about .swiss-about-content p {
  margin-bottom: 1.25rem;
}

.swiss-landing--about .swiss-about-content a {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.25);
  text-underline-offset: 3px;
}

.swiss-landing--about .swiss-about-content a:hover {
  text-decoration-color: var(--white);
}

/* Footer on Swiss pages: full width below grid */
.swiss-landing + .site-footer {
  margin-top: 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--gray-900);
}

@media (max-width: 768px) {
  .swiss-landing {
    grid-template-columns: 1fr;
    align-content: start;
    padding: 1.5rem;
  }

  .swiss-landing .swiss-title {
    grid-column: 1;
    margin-bottom: 2rem;
  }

  .swiss-landing--work .swiss-block:nth-child(2),
  .swiss-landing--work .swiss-block:nth-child(3),
  .swiss-landing--work .swiss-block:nth-child(4),
  .swiss-landing--work .swiss-block:nth-child(5),
  .swiss-landing--home .swiss-block:nth-child(2),
  .swiss-landing--home .swiss-block:nth-child(3),
  .swiss-landing--writing .swiss-block:nth-child(2),
  .swiss-landing--writing .swiss-block:nth-child(3),
  .swiss-landing--writing .swiss-block:nth-child(4) {
    grid-column: 1;
    grid-row: auto;
  }

  .swiss-landing--about {
    margin-top: 0;
    padding-top: 0;
  }

  .about-title-zone {
    grid-column: 1;
    height: auto;
    min-height: 0;
  }

  .swiss-landing--about .swiss-title {
    position: static;
    margin-bottom: 2rem;
  }

  .swiss-landing--about .swiss-about-content {
    grid-column: 1;
  }
}

/* Page title (legacy landing pages — when not using Swiss grid) */
.page-title {
  font-family: 'Anton', sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  padding: 5rem 3rem 3rem;
  letter-spacing: 0.02em;
}

/* Section (landing pages) */
.section {
  padding: 0 3rem 2rem;
}

.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin: 0;
  padding: 2rem 0 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.link-list a {
  display: block;
  text-decoration: none;
  color: rgba(255,255,255,0.8);
  font-family: 'Montserrat', sans-serif;
  font-size: 1.05rem;
  font-weight: 300;
  padding: 0.6rem 0;
  transition: color 0.15s;
}

.link-list a:hover { color: var(--white); }

/* Article head */
.article-head {
  font-family: 'Anton', sans-serif;
  padding: 5rem 3rem 2rem;
}

.article-category {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.article-category:hover { color: var(--white); }

.article-head h1 {
  font-family: 'Anton', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

.article-date {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--gray-700);
  letter-spacing: 0.03em;
}

/* Hero image */
.article-hero {
  max-height: 500px;
  overflow: hidden;
}

.article-hero img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

/* TOC */
.article-toc {
  font-family: 'Montserrat', sans-serif;
  max-width: 900px;
  margin: 2rem auto;
  padding: 2rem 3rem;
  border-top: 1px solid var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
}

.toc-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-700);
  margin-bottom: 1rem;
}

.article-toc ul {
  list-style: none;
  padding: 0;
}

.article-toc li {
  padding: 0.3rem 0;
}

.article-toc a {
  color: var(--gray-300);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 300;
  transition: color 0.2s;
}

.article-toc a:hover { color: var(--white); }

.article-toc ul ul {
  padding-left: 1.5rem;
}

.article-toc ul ul a {
  color: var(--gray-500);
  font-size: 0.8rem;
}

/* Article body */
.article-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 3rem 4rem;
  font-family: "Montserrat", sans-serif;
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
}

.article-body h2 {
  color: var(--white);
  font-family: "Anton", sans-serif;
  font-weight: 400;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  letter-spacing: 0.02em;
  text-align: center;
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  color: var(--gray-100);
  font-family: "Anton", sans-serif;
  font-weight: 400;
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  letter-spacing: 0.02em;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.article-body h4 {
  color: var(--gray-300);
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.article-body p {
  color: var(--gray-100);
  margin-bottom: 1.25rem;
}

.article-body p:last-child {
  margin-bottom: 0;
}

.article-body a {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.25);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}

.article-body a:hover {
  text-decoration-color: var(--white);
}

.article-body strong {
  font-weight: 500;
  color: var(--white);
}

.article-body img {
  border-radius: 2px;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.25rem;
}

/* Footer */
.site-footer {
  font-family: 'Montserrat', sans-serif;
  padding: 2.5rem 3rem;
  border-top: 1px solid var(--gray-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--gray-700);
}

.site-footer a {
  color: var(--gray-700);
  text-decoration: none;
  margin-left: 2rem;
  transition: color 0.2s;
}

.site-footer a:hover { color: var(--gray-500); }

/* Responsive */
@media (max-width: 768px) {
  .site-nav { padding: 1.25rem 1.5rem; }
  .site-nav-links a { margin-left: 1.5rem; font-size: 0.7rem; }
  .page-title { padding: 3rem 1.5rem 2rem; }
  .section { padding: 0 1.5rem 2rem; }
  .article-head { padding: 3rem 1.5rem 1.5rem; }
  .article-toc { padding: 1.5rem; }
  .article-body { padding: 1.5rem 1.5rem 3rem; }
  .site-footer { padding: 2rem 1.5rem; flex-direction: column; gap: 0.5rem; }
}