/* ════════════════════════════════════════════════════════════
   Mathias Marin Portfolio – main.css
   Minimal Swiss/German architecture aesthetic
   ════════════════════════════════════════════════════════════ */

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
}

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  --white:  #F9F8F5;
  --black:  #141414;
  --g100:   #EFECE6;
  --g200:   #DEDAD1;
  --g300:   #C4BFB5;
  --g400:   #9E9990;
  --g600:   #5A5650;
  --serif:  'Cormorant Garamond', Georgia, serif;
  --sans:   'Inter', system-ui, sans-serif;
  --ease:   cubic-bezier(0.25, 0.1, 0.25, 1);
  --nav-h:  72px;
}

/* ── WordPress admin-bar offset ─────────────────────────── */
body.admin-bar #nav { top: 32px; }
@media screen and (max-width: 782px) {
  body.admin-bar #nav { top: 46px; }
}

/* ── Global ──────────────────────────────────────────────── */
body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1.15;
}
p + p { margin-top: 0.9em; }

/* ── Utility ─────────────────────────────────────────────── */

/* Eyebrow label */
.label {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--g400);
}

/* Bracket box – corner bracket decoration */
.bracket-box {
  position: relative;
  padding: 20px 24px;
}
.bracket-box::before,
.bracket-box::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--g300);
  border-style: solid;
  border-width: 0;
}
.bracket-box::before {
  top: 0;
  left: 0;
  border-top-width: 1px;
  border-left-width: 1px;
}
.bracket-box::after {
  bottom: 0;
  right: 0;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.72s var(--ease), transform 0.72s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--g400);
  transition: color 0.2s;
}
.back-link:hover { color: var(--black); }

/* ── Navigation ──────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: var(--nav-h);
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}
#nav.solid {
  background: rgba(249, 248, 245, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--g200);
}

/* Logo */
.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--white);
  transition: color 0.3s;
  white-space: nowrap;
}
#nav.solid .nav-logo,
#hero + * ~ * .nav-logo {
  color: var(--black);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links li a,
.nav-links a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(249,248,245,0.75);
  transition: color 0.2s;
  position: relative;
}
.nav-links li a::after,
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.25s var(--ease);
}
.nav-links li a:hover::after,
.nav-links a:hover::after { width: 100%; }
.nav-links li a:hover,
.nav-links a:hover { color: rgba(249,248,245,1); }

#nav.solid .nav-links li a,
#nav.solid .nav-links a {
  color: var(--g600);
}
#nav.solid .nav-links li a:hover,
#nav.solid .nav-links a:hover {
  color: var(--black);
}

/* Mobile toggle */
.nav-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  z-index: 1100;
}
.nav-menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}
#nav.solid .nav-menu-toggle span { background: var(--black); }
#nav.open .nav-menu-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
#nav.open .nav-menu-toggle span:nth-child(2) { opacity: 0; }
#nav.open .nav-menu-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0e0d0b;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 60% 40%, #2a2520 0%, #0e0d0b 100%);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 40% 50% at 20% 80%, rgba(180,160,120,0.06) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 clamp(32px, 6vw, 96px);
  padding-top: var(--nav-h);
  width: 100%;
}

.hero-overline {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(249,248,245,0.45);
  margin-bottom: 28px;
}

.hero-name {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(4rem, 12vw, 11rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 56px;
}
.hero-name span {
  display: block;
}
.hero-name span:nth-child(2) {
  padding-left: 0.12em;
  color: rgba(249,248,245,0.55);
}
.hero-name span:nth-child(3) {
  padding-left: 0.24em;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: clamp(40px, 6vh, 80px);
}

.hero-desc {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: rgba(249,248,245,0.4);
  text-transform: uppercase;
}

.hero-scroll-hint {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(249,248,245,0.4);
  transition: color 0.2s;
  white-space: nowrap;
}
.hero-scroll-hint:hover { color: rgba(249,248,245,0.75); }
.hero-scroll-hint svg {
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(5px); }
}

/* ── Section headers ─────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 64px 48px 32px;
  border-bottom: 1px solid var(--g200);
  margin-bottom: 0;
}
.section-count {
  font-family: var(--serif);
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--g300);
  letter-spacing: 0.1em;
}

/* ── Projects index (quick-nav grid) ─────────────────────── */
.projects-index {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  border-bottom: 1px solid var(--g200);
}
.pi-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 48px;
  border-right: 1px solid var(--g200);
  border-bottom: 1px solid var(--g200);
  transition: background 0.2s;
  text-decoration: none;
}
.pi-item:hover { background: var(--g100); }
.pi-num {
  font-family: var(--serif);
  font-size: 0.7rem;
  color: var(--g400);
  letter-spacing: 0.1em;
  min-width: 20px;
}
.pi-title {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--black);
  letter-spacing: 0.02em;
}

/* ── Project detail ──────────────────────────────────────── */
.project {
  padding: 80px 48px;
  border-bottom: 1px solid var(--g200);
}
.project:nth-child(even) {
  background: var(--g100);
}

.project-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 28px;
  row-gap: 12px;
  align-items: start;
  margin-bottom: 48px;
}

.project-num-large {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  line-height: 1;
  color: var(--g200);
  letter-spacing: -0.02em;
  grid-row: 1 / 3;
  align-self: center;
}

.project-heading-wrap {
  grid-column: 2;
  grid-row: 1;
}
.project-heading.large {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--black);
}
.project-heading .en-title,
p.project-heading.en-title {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 300;
  font-style: italic;
  color: var(--g400);
  margin-top: 4px;
}

.project-meta-header {
  grid-column: 3;
  grid-row: 1;
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.project-semester,
.project-course {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--g400);
  text-transform: uppercase;
  display: block;
}

.tags {
  grid-column: 2 / 4;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--g600);
  border: 1px solid var(--g300);
  padding: 3px 10px;
}

/* Project body: two-column layout */
.project-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
/* Flipped: image on right */
.project-body.flipped .project-imgs { order: 2; }
.project-body.flipped .project-text { order: 1; }

/* Images column */
.project-imgs {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.project-img-wrap {
  overflow: hidden;
  background: var(--g100);
}
.project-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease);
}
.project-img-wrap:hover img { transform: scale(1.03); }

/* Image placeholders */
.img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--g200) 0%, var(--g300) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--g400);
  letter-spacing: 0.05em;
}
.img-placeholder.dark {
  background: linear-gradient(135deg, #2a2520 0%, #1a1714 100%);
  color: var(--g600);
}
.img-placeholder.mid {
  background: linear-gradient(135deg, var(--g300) 0%, var(--g400) 100%);
}
.img-placeholder.warm {
  background: linear-gradient(135deg, #e8dfd0 0%, #d4c8b4 100%);
}
.img-placeholder.blue {
  background: linear-gradient(135deg, #ccd6e0 0%, #b0bec8 100%);
}
.img-placeholder.green {
  background: linear-gradient(135deg, #ccd8cc 0%, #b2c4b2 100%);
}

/* Text column */
.project-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.project-de p {
  font-family: var(--sans);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--black);
  margin-bottom: 0.8em;
}
.project-de p:last-child { margin-bottom: 0; }

.project-en p {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--g600);
  margin-bottom: 0.8em;
}
.project-en p:last-child { margin-bottom: 0; }

/* Meta grid */
.project-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--g200);
  border-left: 1px solid var(--g200);
  margin-top: 8px;
}
.meta-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--g200);
  border-right: 1px solid var(--g200);
}
.meta-label {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--g400);
  margin-bottom: 3px;
  display: block;
}
.meta-val {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--black);
}

/* PDF link */
.pdf-link {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 20px;
  border: 1px solid var(--g200);
  text-decoration: none;
  color: var(--black);
  background: transparent;
  transition: border-color 0.2s, background 0.2s;
  align-self: flex-start;
}
.pdf-link:hover {
  border-color: var(--black);
  background: var(--g100);
}
.pdf-link-label {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--g400);
}
.pdf-link-title {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 400;
}

/* ── Downloads section ───────────────────────────────────── */
#downloads {
  padding: 72px 48px;
  background: var(--g100);
  border-top: 1px solid var(--g200);
}
.download-headline {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 8px;
}
.download-desc {
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--g600);
  margin-bottom: 36px;
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.download-btn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--g200);
  text-decoration: none;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.2s, transform 0.2s;
}
.download-btn:hover {
  border-color: var(--black);
  transform: translateY(-2px);
}
.download-btn-label {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--g400);
}
.download-btn-title {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
}
.download-btn-desc {
  font-size: 0.72rem;
  color: var(--g400);
}
.download-note {
  margin-top: 20px;
  font-size: 0.78rem;
  color: var(--g400);
}

/* ── About ───────────────────────────────────────────────── */
#about {
  padding: 0 0 80px;
}
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  align-items: start;
  padding: 64px 48px;
}
.about-left {
  padding-right: 48px;
  border-right: 1px solid var(--g200);
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.about-photo-wrap {
  margin-bottom: 24px;
  overflow: hidden;
}
.about-photo {
  width: 100%;
  display: block;
}
.about-photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(145deg, var(--g200) 0%, var(--g300) 100%);
}
.about-id {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--g600);
}
.about-id strong {
  display: block;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 4px;
  font-size: 0.85rem;
}

.about-content {
  padding-left: 64px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.about-headline {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--black);
}
.about-bio {
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--g600);
  max-width: 640px;
}
.about-bio p { margin-bottom: 1em; }

/* CV blocks */
.cv-block {
  border-top: 1px solid var(--g200);
  padding-top: 28px;
}
.cv-block-title {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--g400);
  margin-bottom: 20px;
}
.cv-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--g100);
  font-size: 0.85rem;
  line-height: 1.55;
}
.cv-row:last-child { border-bottom: none; }
.cv-date {
  font-family: var(--serif);
  font-size: 0.82rem;
  color: var(--g400);
  padding-top: 1px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.cv-row > div strong {
  font-weight: 500;
  display: block;
  color: var(--black);
  font-family: var(--sans);
  font-size: 0.82rem;
}
.cv-row > div {
  color: var(--g600);
}

/* Skills */
.skills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
}
.skill {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  border: 1px solid var(--g200);
  padding: 5px 12px;
  color: var(--g600);
  text-transform: uppercase;
}

/* ── Contact ─────────────────────────────────────────────── */
#contact {
  background: var(--black);
  color: var(--white);
  padding: 0 0 80px;
}
#contact .section-header {
  border-bottom-color: rgba(255,255,255,0.1);
}
#contact .label { color: rgba(249,248,245,0.35); }
#contact .section-count { color: rgba(249,248,245,0.2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 64px 48px;
}
.contact-left {
  padding-right: 64px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.contact-right {
  padding-left: 64px;
}

.contact-headline {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 40px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.contact-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 0.85rem;
}
.contact-item:last-child { border-bottom: none; }
.contact-item-label {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(249,248,245,0.35);
}
.contact-item a {
  color: rgba(249,248,245,0.75);
  text-decoration: none;
  transition: color 0.2s;
}
.contact-item a:hover { color: var(--white); }
.contact-item span { color: rgba(249,248,245,0.6); }

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(249,248,245,0.4);
}
.form-field input,
.form-field textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  resize: vertical;
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(249,248,245,0.25);
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: rgba(255,255,255,0.4);
}
.btn-submit {
  align-self: flex-start;
  background: var(--white);
  color: var(--black);
  border: none;
  padding: 14px 32px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-submit:hover {
  background: var(--g200);
}

/* CF7 overrides in dark section */
#contact .wpcf7-form input[type="text"],
#contact .wpcf7-form input[type="email"],
#contact .wpcf7-form textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 0.88rem;
  width: 100%;
  margin-bottom: 16px;
  outline: none;
}
#contact .wpcf7-form input[type="submit"] {
  background: var(--white);
  color: var(--black);
  border: none;
  padding: 14px 32px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ── Footer ──────────────────────────────────────────────── */
footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 28px 48px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-copy {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(249,248,245,0.3);
}
.cv-dl {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  text-decoration: none;
  transition: opacity 0.2s;
}
.cv-dl:hover { opacity: 0.8; }
.cv-dl-label {
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(249,248,245,0.3);
}
.cv-dl-title {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: rgba(249,248,245,0.55);
}

/* ── Archive grid ────────────────────────────────────────── */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0;
  padding: 0 48px 80px;
}
.archive-card {
  border: 1px solid var(--g200);
  margin: -1px -1px 0 0;
}
.archive-card-link {
  display: block;
  text-decoration: none;
  color: var(--black);
}
.archive-card-img {
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--g100);
}
.archive-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.archive-card-link:hover .archive-card-img img { transform: scale(1.05); }
.archive-card-img .img-placeholder {
  width: 100%;
  height: 100%;
  aspect-ratio: unset;
}
.archive-card-body {
  padding: 20px 24px;
}
.archive-card-num {
  font-family: var(--serif);
  font-size: 0.7rem;
  color: var(--g400);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 6px;
}
.archive-card-title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--black);
  margin-bottom: 6px;
}
.archive-card-semester {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--g400);
}

/* ── Project nav (single) ────────────────────────────────── */
.project-nav {
  display: flex;
  justify-content: space-between;
  padding: 40px 48px 80px;
  border-top: 1px solid var(--g200);
  gap: 24px;
}
.project-nav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  color: var(--black);
  max-width: 45%;
}
.project-nav-next { align-items: flex-end; text-align: right; }
.project-nav-dir {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--g400);
  transition: color 0.2s;
}
.project-nav-link:hover .project-nav-dir { color: var(--black); }
.project-nav-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.2;
}

/* ── WordPress content ───────────────────────────────────── */
.entry-content p   { margin-bottom: 1em; }
.entry-content h1,
.entry-content h2,
.entry-content h3  { margin: 1.5em 0 0.5em; }
.entry-content ul,
.entry-content ol  { list-style: disc; padding-left: 1.4em; margin-bottom: 1em; }
.entry-content a   { text-decoration: underline; }
.entry-content img { margin: 1.5em 0; }
.wp-block-image img { height: auto; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .about-grid {
    grid-template-columns: 280px 1fr;
  }
}

@media (max-width: 900px) {
  :root { --nav-h: 60px; }

  /* Nav */
  .nav-menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-h) + 32px) 40px 48px;
    gap: 28px;
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    box-shadow: -8px 0 40px rgba(0,0,0,0.08);
    z-index: 1050;
    height: 100vh;
    min-height: 100vh;
    overflow-y: auto;
  }
  #nav.open .nav-links {
    transform: translateX(0);
  }
  .nav-links li a,
  .nav-links a {
    font-size: 0.85rem;
    color: var(--black);
    letter-spacing: 0.14em;
  }

  /* Projects index */
  .projects-index { grid-template-columns: 1fr 1fr; }
  .pi-item { padding: 16px 28px; }

  /* Project body: stack */
  .project-body,
  .project-body.flipped {
    grid-template-columns: 1fr;
  }
  .project-body.flipped .project-imgs,
  .project-body.flipped .project-text { order: unset; }

  /* Project header */
  .project-header {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto auto;
  }
  .project-meta-header {
    grid-column: 2;
    grid-row: 2;
    text-align: left;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
  .tags {
    grid-column: 1 / 3;
    grid-row: 3;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-left {
    border-right: none;
    border-bottom: 1px solid var(--g200);
    padding-right: 0;
    padding-bottom: 40px;
    margin-bottom: 40px;
    position: static;
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 32px;
    align-items: start;
  }
  .about-content { padding-left: 0; }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .contact-left {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-right: 0;
    padding-bottom: 48px;
  }
  .contact-right { padding-left: 0; }

  /* Archive */
  .archive-grid { padding: 0 28px 60px; }

  /* Project nav */
  .project-nav { padding: 32px 28px 60px; }

  /* Section header */
  .section-header { padding: 48px 28px 24px; }

  /* Projects */
  .project { padding: 56px 28px; }

  /* Downloads */
  #downloads { padding: 56px 28px; }

  /* Footer */
  footer { padding: 24px 28px; }
}

@media (max-width: 580px) {
  /* Hero */
  .hero-content { padding: 0 24px; padding-top: var(--nav-h); }
  .hero-name { font-size: clamp(3rem, 16vw, 5rem); }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }

  /* Nav */
  #nav { padding: 0 20px; }

  /* Projects index: single column */
  .projects-index { grid-template-columns: 1fr; }
  .pi-item { padding: 14px 20px; }

  /* Project header */
  .project-header { grid-template-columns: 1fr; }
  .project-num-large {
    font-size: 2.8rem;
    grid-row: 1;
    color: var(--g300);
  }
  .project-heading-wrap { grid-column: 1; grid-row: 2; }
  .project-meta-header { grid-column: 1; grid-row: 3; text-align: left; }
  .tags { grid-column: 1; grid-row: 4; }

  /* Meta grid: single column */
  .project-meta { grid-template-columns: 1fr; }

  /* About */
  .about-left {
    grid-template-columns: 1fr;
  }
  .about-grid { padding: 40px 20px; }
  .about-content { gap: 28px; }

  /* CV row: stack */
  .cv-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .cv-date { font-size: 0.72rem; }

  /* Contact */
  .contact-grid { padding: 40px 20px; }
  .contact-item { grid-template-columns: 80px 1fr; }

  /* Section headers */
  .section-header { padding: 40px 20px 20px; }

  /* Project */
  .project { padding: 40px 20px; }

  /* Archive */
  .archive-grid { grid-template-columns: 1fr; padding: 0 20px 48px; }

  /* Downloads */
  #downloads { padding: 40px 20px; }
  .download-grid { grid-template-columns: 1fr 1fr; }

  /* Footer */
  footer { padding: 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .cv-dl { align-items: flex-start; }

  /* Project nav */
  .project-nav { flex-direction: column; padding: 24px 20px 48px; }
  .project-nav-link { max-width: 100%; }
  .project-nav-next { align-items: flex-start; text-align: left; }
}

/* ════════════════════════════════════════════════════════════
   PDF Resolution Picker Modal
   ════════════════════════════════════════════════════════════ */

/* Trigger button on each project */
.pdf-download-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 13px 24px 13px 20px;
  border: 1px solid var(--black);
  background: transparent;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  transition: background 0.2s, color 0.2s;
  position: relative;
}
.pdf-download-trigger:hover {
  background: var(--black);
  color: var(--white);
}
.pdf-download-trigger .trigger-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}
.pdf-download-trigger:hover .trigger-icon { transform: translateY(2px); }

/* Modal overlay */
.res-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.res-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.res-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 20, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
}
.res-modal {
  position: relative;
  z-index: 1;
  background: var(--white);
  width: min(720px, 94vw);
  max-height: 90svh;
  overflow-y: auto;
  transform: translateY(24px) scale(0.98);
  transition: transform 0.35s var(--ease);
}
.res-modal-overlay.open .res-modal {
  transform: none;
}

/* Modal header */
.res-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 32px 36px 24px;
  border-bottom: 1px solid var(--g200);
}
.res-modal-title-group {}
.res-modal-overline {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--g400);
  display: block;
  margin-bottom: 6px;
}
.res-modal-title {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 300;
  line-height: 1.1;
  color: var(--black);
}
.res-modal-close {
  background: none;
  border: 1px solid var(--g200);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 4px;
  transition: background 0.2s, border-color 0.2s;
  color: var(--black);
  font-size: 1rem;
}
.res-modal-close:hover {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

/* Options grid */
.res-modal-body { padding: 28px 36px 36px; }
.res-options-label {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--g400);
  display: block;
  margin-bottom: 16px;
}
.res-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.res-option {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--black);
  border: 1px solid var(--g200);
  padding: 22px 20px 20px;
  position: relative;
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
  overflow: hidden;
}
.res-option::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.res-option:hover { border-color: var(--black); background: var(--g100); }
.res-option:hover::before { transform: scaleX(1); }
.res-option:focus-visible { outline: 2px solid var(--black); outline-offset: 2px; }

/* Corner brackets on option cards */
.res-option .opt-bracket-tl,
.res-option .opt-bracket-br {
  position: absolute;
  width: 10px;
  height: 10px;
  opacity: 0;
  transition: opacity 0.2s;
}
.res-option .opt-bracket-tl { top: 6px; left: 6px; border-top: 1px solid var(--black); border-left: 1px solid var(--black); }
.res-option .opt-bracket-br { bottom: 6px; right: 6px; border-bottom: 1px solid var(--black); border-right: 1px solid var(--black); }
.res-option:hover .opt-bracket-tl,
.res-option:hover .opt-bracket-br { opacity: 1; }

.res-option-quality {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--g400);
  margin-bottom: 10px;
}
.res-option-name {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 10px;
  line-height: 1.15;
}
.res-option-details {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.res-option-size {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--black);
}
.res-option-desc {
  font-size: 0.72rem;
  color: var(--g600);
  line-height: 1.4;
}
.res-option-arrow {
  position: absolute;
  bottom: 18px;
  right: 18px;
  font-size: 1.1rem;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity 0.2s, transform 0.2s;
  color: var(--black);
}
.res-option:hover .res-option-arrow {
  opacity: 1;
  transform: none;
}

/* Single-option case (project has only one PDF) */
.res-options.single { grid-template-columns: 1fr; max-width: 280px; }
.res-options.single .res-option { padding: 24px; }

/* Full portfolio section in modal (if opened from downloads) */
.res-modal-divider {
  height: 1px;
  background: var(--g200);
  margin: 24px 0;
}

/* Responsive modal */
@media (max-width: 640px) {
  .res-modal-header { padding: 24px 20px 18px; }
  .res-modal-body   { padding: 20px 20px 28px; }
  .res-options { grid-template-columns: 1fr; gap: 8px; }
  .res-option { padding: 18px 16px; }
  .res-modal-title { font-size: 1.3rem; }
}