/* ==========================================================================
   SEAN MORSE PORTFOLIO — Design System
   ========================================================================== */

/* --- Design Tokens --- */
:root {
  --color-bg: #F5F2ED;
  --color-text: #111111;
  --color-accent: #1C2B6E;
  --color-divider: #E0DBD4;
  --color-card-hover: #EDEAE4;
  --color-muted: #777777;
  --color-white: #FFFFFF;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-fluid: clamp(24px, 5vw, 80px);

  --max-content: 1400px;
  --max-text: 680px;
  --max-case-header: 800px;
  --max-case-content: 1100px;

  --transition-default: 0.3s ease;
  --transition-fast: 0.2s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

/* --- Typography --- */
.display-xl {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(48px, 8vw, 120px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display-lg {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.1;
}

.display-md {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.15;
}

.display-sm {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.3;
}

.label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.body-text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
}

.body-text p + p {
  margin-top: 1.2em;
}

/* --- Layout --- */
.container {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-fluid);
}

.page-view {
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.page-view.active {
  opacity: 1;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all var(--transition-default);
}

.nav.scrolled {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(245, 242, 237, 0.85);
  border-bottom: 1px solid var(--color-divider);
  padding: 14px 0;
}

.nav-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-fluid);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-left {
  display: flex;
  gap: var(--space-md);
}

.nav-left a,
.nav-right a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.04em;
  position: relative;
  padding-bottom: 2px;
}

.nav-left a::after,
.nav-right a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: width var(--transition-default);
}

.nav-left a:hover::after,
.nav-right a:hover::after,
.nav-left a.active::after,
.nav-right a.active::after {
  width: 100%;
}

.nav-center a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.01em;
}

.nav-right {
  display: flex;
}

/* Hamburger — mobile only */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-text);
  transition: all var(--transition-default);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-default);
}

.mobile-nav-overlay.open {
  display: flex;
  opacity: 1;
}

.mobile-nav-overlay a {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 36px;
}

/* --- Hero --- */
.hero {
  padding-top: clamp(140px, 18vh, 220px);
  padding-bottom: var(--space-xl);
}

.hero-title {
  max-width: 900px;
}

.hero-subtitle {
  margin-top: var(--space-md);
  color: var(--color-muted);
}

/* --- Project Grid (Work page) --- */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

/* Alternating asymmetric layout */
.project-card:nth-child(3n+1) {
  grid-column: 1 / 2;
}

.project-card:nth-child(3n+2) {
  grid-column: 2 / 3;
}

.project-card:nth-child(3n+3) {
  grid-column: 1 / -1;
}

.project-card {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.project-card-image-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 4 / 3;
}

.project-card:nth-child(3n+3) .project-card-image-wrap {
  aspect-ratio: 16 / 8;
}

.project-card-image-wrap img,
.project-card-image-wrap .placeholder-gradient {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-default);
}

.project-card:hover .project-card-image-wrap img,
.project-card:hover .project-card-image-wrap .placeholder-gradient {
  transform: scale(1.03);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-default);
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-card-overlay .label {
  color: var(--color-white);
  font-size: 11px;
}

.project-card-info {
  padding: var(--space-sm) 0 var(--space-md);
}

.project-card-title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
}

.project-card-year {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 2px;
}

/* --- Archive Grid --- */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding-bottom: var(--space-xl);
}

.archive-card {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
}

.archive-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.archive-card-image-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 4 / 3;
}

.archive-card-image-wrap img,
.archive-card-image-wrap .placeholder-gradient {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-default);
}

.archive-card:hover .archive-card-image-wrap img,
.archive-card:hover .archive-card-image-wrap .placeholder-gradient {
  transform: scale(1.03);
}

.archive-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: flex-end;
  padding: var(--space-sm);
  opacity: 0;
  transition: opacity var(--transition-default);
}

.archive-card:hover .archive-card-overlay {
  opacity: 1;
}

.archive-card-overlay span {
  color: var(--color-white);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
}

/* --- Case Study --- */
.case-hero {
  width: 100%;
  max-height: 75vh;
  overflow: hidden;
  margin-top: 70px;
}

.case-hero img,
.case-hero .placeholder-gradient {
  width: 100%;
  height: 75vh;
  object-fit: cover;
}

.case-header {
  max-width: var(--max-case-header);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-fluid) var(--space-lg);
  text-align: center;
}

.case-header .label {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: block;
}

.case-header .case-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 80px);
  line-height: 1.08;
  margin-bottom: var(--space-xs);
}

.case-header .case-year {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 14px;
  color: var(--color-muted);
}

/* Case study 2-column content */
.case-content {
  max-width: var(--max-case-content);
  margin: 0 auto;
  padding: 0 var(--space-fluid) var(--space-xl);
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
}

.case-main .case-tagline {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(22px, 2.5vw, 32px);
  line-height: 1.35;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.case-main .case-body {
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

/* Accordion sections */
.accordion-item {
  border-top: 1px solid var(--color-divider);
}

.accordion-item:last-child {
  border-bottom: 1px solid var(--color-divider);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  text-align: left;
}

.accordion-icon {
  font-size: 20px;
  font-weight: 300;
  transition: transform var(--transition-default);
  line-height: 1;
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.accordion-item.open .accordion-body {
  max-height: 600px;
  padding-bottom: var(--space-md);
}

.accordion-body p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* Case study sidebar */
.case-sidebar {
  padding-top: var(--space-xs);
}

.case-sidebar .sidebar-block {
  margin-bottom: var(--space-md);
}

.case-sidebar .sidebar-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.case-sidebar .sidebar-value {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
}

.case-sidebar hr {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: var(--space-md) 0;
}

.case-sidebar .credit-line {
  font-size: 14px;
  line-height: 1.8;
}

.case-sidebar .credit-name {
  font-weight: 500;
}

.case-sidebar .credit-role {
  color: var(--color-muted);
}

.case-sidebar .award-badge {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 6px 14px;
  border: 1.5px solid var(--color-accent);
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

/* Case study image gallery */
.case-gallery {
  padding-bottom: var(--space-xl);
}

.case-gallery-item {
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.case-gallery-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.case-gallery-item.full-bleed img,
.case-gallery-item.full-bleed .placeholder-gradient {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 4px;
}

.case-gallery-item.two-up {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.case-gallery-item.two-up img,
.case-gallery-item.two-up .placeholder-gradient {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
}

.case-gallery-item.centered {
  max-width: 80%;
  margin-left: auto;
  margin-right: auto;
}

.case-gallery-item.centered img,
.case-gallery-item.centered .placeholder-gradient {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
}

/* Back CTA */
.back-cta {
  padding: var(--space-lg) 0 var(--space-xl);
  text-align: center;
}

.back-cta a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.back-cta a:hover {
  color: var(--color-text);
}

.back-cta a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: width var(--transition-default);
}

.back-cta a:hover::after {
  width: 100%;
}

/* --- About Page --- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: var(--max-case-content);
  margin: 0 auto;
  padding: clamp(140px, 18vh, 220px) var(--space-fluid) var(--space-lg);
  align-items: start;
}

.about-name {
  margin-bottom: var(--space-xs);
}

.about-role {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
}

.about-bio {
  font-size: 16px;
  line-height: 1.75;
}

.about-bio p + p {
  margin-top: 1.3em;
}

.about-photo-wrap {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.about-photo-wrap img,
.about-photo-wrap .placeholder-gradient {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-contact {
  max-width: var(--max-case-content);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-fluid) var(--space-xl);
}

.about-contact .display-md {
  margin-bottom: var(--space-md);
}

.about-contact .contact-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  padding-bottom: 2px;
  transition: opacity var(--transition-fast);
}

.about-contact .contact-link:hover {
  opacity: 0.7;
}

/* --- Work Page CTA --- */
.work-cta {
  text-align: center;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-lg);
}

.work-cta .display-md {
  margin-bottom: var(--space-xs);
}

.work-cta-sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.work-cta-btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--color-white);
  background-color: var(--color-accent);
  border-radius: 4px;
  padding: 14px 36px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.work-cta-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
}

.footer a {
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--color-text);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-sep {
  opacity: 0.4;
}

/* --- Spotlight Sections --- */
.spotlight {
  position: relative;
  width: 100%;
  height: 60vh;
  min-height: 400px;
  max-height: 700px;
  overflow: hidden;
  margin: var(--space-lg) 0;
  cursor: pointer;
}

.spotlight-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.spotlight-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.spotlight-slide.active {
  opacity: 1;
}

.spotlight-slide img,
.spotlight-slide .placeholder-gradient {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spotlight-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 40%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg) var(--space-fluid);
  z-index: 2;
}

.spotlight-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--color-white);
  transition: opacity var(--transition-fast);
}

.spotlight-link:hover {
  opacity: 0.85;
}

.spotlight-category {
  font-size: 11px;
  opacity: 0.7;
}

.spotlight-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.1;
}

.spotlight-tagline {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(14px, 1.5vw, 18px);
  opacity: 0.85;
}

.spotlight-progress {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-fluid);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.spotlight-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: background 0.3s ease;
}

.spotlight-dot.active {
  background: rgba(255, 255, 255, 0.95);
}

@media (max-width: 600px) {
  .spotlight {
    height: 45vh;
    min-height: 280px;
  }
}

/* --- Gradient Placeholders --- */
.placeholder-gradient {
  display: block;
}

.placeholder-liquid-iv { background: linear-gradient(135deg, #1B6B7B, #E8856A); }
.placeholder-leisure-project { background: linear-gradient(135deg, #1C2B6E, #F5A623); }
.placeholder-alecs-ice-cream { background: linear-gradient(135deg, #E8C547, #6B3FA0); }
.placeholder-v8-campbells { background: linear-gradient(135deg, #C62828, #FF8F00); }
.placeholder-elenita-mezcal { background: linear-gradient(135deg, #8B4513, #D4A853); }
.placeholder-over-easy { background: linear-gradient(135deg, #FFD54F, #FF8A65); }
.placeholder-mimio { background: linear-gradient(135deg, #E84E1B, #FF7043); }
.placeholder-picture-day { background: linear-gradient(135deg, #FF6B8A, #DC143C); }
.placeholder-dream-pops { background: linear-gradient(135deg, #2ECC40, #27AE60); }
.placeholder-gimme { background: linear-gradient(135deg, #43A047, #81C784); }
.placeholder-gig-car-share { background: linear-gradient(135deg, #0277BD, #4FC3F7); }
.placeholder-licensing-artwork { background: linear-gradient(135deg, #37474F, #78909C); }
.placeholder-child-aid { background: linear-gradient(135deg, #AB47BC, #E1BEE7); }
.placeholder-power-of-sport { background: linear-gradient(135deg, #1565C0, #42A5F5); }
.placeholder-lorem-ipsum { background: linear-gradient(135deg, #5C6BC0, #CE93D8); }
.placeholder-default { background: linear-gradient(135deg, #E8E4DC, #C8C0B4); }

/* About photo placeholder */
.placeholder-about { background: linear-gradient(135deg, #C8C0B4, #A69E94); }

/* --- Contact Modal --- */
.contact-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-default);
}

.contact-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.contact-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 17, 17, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.contact-modal {
  position: relative;
  background: var(--color-bg);
  width: 92%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 6px;
  padding: var(--space-xl) var(--space-xl);
  transform: translateY(20px);
  transition: transform var(--transition-default);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.15);
}

.contact-overlay.open .contact-modal {
  transform: translateY(0);
}

.contact-modal-close {
  position: sticky;
  top: 0;
  float: right;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-muted);
  background: var(--color-bg);
  border-radius: 50%;
  transition: color var(--transition-fast);
  cursor: pointer;
  z-index: 1;
  margin-top: -8px;
  margin-right: -8px;
}

.contact-modal-close:hover {
  color: var(--color-text);
}

.contact-modal-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.15;
  margin-bottom: var(--space-xs);
}

.contact-modal-sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: end;
}

@media (max-width: 500px) {
  .contact-row {
    grid-template-columns: 1fr;
  }
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-field label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: block;
}

.contact-field input,
.contact-field textarea,
.contact-field select {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-divider);
  border-radius: 4px;
  padding: 13px 16px;
  outline: none;
  transition: border-color var(--transition-fast);
  width: 100%;
}

.contact-field textarea {
  resize: vertical;
}

.contact-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
  height: auto;
}

.contact-field select:invalid {
  color: #B8B3AA;
}

.contact-field input:focus,
.contact-field textarea:focus,
.contact-field select:focus {
  border-color: var(--color-accent);
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: #B8B3AA;
}

.contact-field textarea {
  min-height: 120px;
}

.contact-submit {
  align-self: flex-start;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--color-white);
  background-color: var(--color-accent);
  border: none;
  border-radius: 4px;
  padding: 14px 36px;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.contact-submit:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.contact-submit:active {
  transform: translateY(0);
}

.contact-success {
  display: none;
  text-align: center;
  padding: var(--space-lg) 0;
}

.contact-success.show {
  display: block;
}

.contact-success .check-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: var(--space-md);
}

.contact-success h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 28px;
  margin-bottom: var(--space-xs);
}

.contact-success p {
  font-size: 15px;
  color: var(--color-muted);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-card:nth-child(3n+1),
  .project-card:nth-child(3n+2),
  .project-card:nth-child(3n+3) {
    grid-column: 1 / -1;
  }

  .project-card-image-wrap,
  .project-card:nth-child(3n+3) .project-card-image-wrap {
    aspect-ratio: 4 / 3;
  }

  .archive-grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .case-sidebar {
    order: -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 var(--space-lg);
  }

  .case-sidebar hr {
    grid-column: 1 / -1;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-photo-wrap {
    max-width: 400px;
    order: -1;
  }

  .case-gallery-item.two-up {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-inner {
    justify-content: space-between;
  }

  .archive-grid {
    grid-template-columns: 1fr;
  }

  .case-sidebar {
    grid-template-columns: 1fr;
  }
}