/* --- Variables (Claude-inspired: grey background, orange accents) --- */
:root {
  --color-bg: #F4F3EE;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-accent: #DA7756;
  --color-accent-hover: #c46947;
  --color-border: #B1ADA1;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --max-width: 72rem;
  --radius: 0.5rem;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Scroll progress bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-border);
  z-index: 1000;
}

.scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-accent);
  transition: width 0.1s ease-out;
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img {
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.lightbox__close {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 1.75rem;
  line-height: 1;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
  z-index: 2001;
}

.lightbox__close:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* --- Header --- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text);
}
.logo:hover { text-decoration: none; }

.nav {
  display: flex;
  gap: var(--space-xl);
}
.nav a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}
.nav a:hover { color: var(--color-text); }

/* --- Main sections --- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin: 0 0 var(--space-lg);
}

.section-intro {
  color: var(--color-text-muted);
  max-width: 38em;
  margin: 0 0 var(--space-2xl);
}

/* --- Hero --- */
.hero {
  min-height: 20vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-3xl) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 var(--space-lg);
}

.hero-line { display: block; }
.hero-line--accent { color: var(--color-accent); }

.hero-tagline {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 28em;
  margin: 0 0 var(--space-xl);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  border: none;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  text-decoration: none;
}

/* --- About --- */
.about-content {
  max-width: 38em;
}
.about-content p { margin: 0 0 var(--space-md); }
.about-content p:last-child { margin-bottom: 0; }

.about-container {
  display: flex;
  align-items: flex-start;
  gap: 40px;
}

/* Text takes ~70% */
.about-text {
  flex: 0 0 55%;
}

/* Image takes ~35% */
.about-image {
  flex: 0 0 45%;
  display: flex;
  justify-content: flex-end;
}

.about-image img {
  width: 100%;
  max-width: 420px; /* keeps it from getting too huge */
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}

/* --- Projects --- */
.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.project-media {
  aspect-ratio: 16 / 9;
  background: var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-media .project-img {
  cursor: pointer;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 5%;
}

/* Fallback when image is missing */
.project-media:has(img[src*="project-"]) {
  background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%);
}
.project-media img[src=""] {
  display: none;
}

.project-body { min-width: 0; }

.project-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 var(--space-sm);
}

.project-desc {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  font-size: 0.9375rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
}

.project-link {
  font-weight: 600;
  font-size: 0.9375rem;
}
.project-link:hover { text-decoration: none; }

/* --- Project detail page --- */
.page-intro {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.project-detail {
  padding: 0 var(--space-xl) var(--space-3xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.project-detail__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.project-detail__inner:last-of-type { border-bottom: none; }

.project-detail__media {
  aspect-ratio: 16 / 9;
  background: var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.project-detail__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-detail__media .project-img {
  cursor: pointer;
}

.project-detail__body { min-width: 0; }

.project-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.project-detail__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  margin: 0 0 var(--space-sm);
}

.project-detail__subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin: 0 0 var(--space-lg);
}

.project-detail__content {
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

.project-detail__content p { margin: 0 0 var(--space-md); }
.project-detail__content p:last-child { margin-bottom: 0; }

/* --- Experience page --- */
.page-intro {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-md);
}

.page-intro .section-intro {
  margin-bottom: 0;
}

.experience-entry {
  padding: 0 var(--space-xl);
  max-width: var(--max-width);
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
  margin: 0 auto;
}

.experience-entry__inner {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.experience-entry__header {
  margin-bottom: var(--space-md);
}

.experience-entry__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  margin: 0 0 var(--space-xs);
}

.experience-entry__role {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 var(--space-xs);
}

.experience-entry__dates {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

.experience-entry__content {
  color: var(--color-text);
}

.experience-entry__content p {
  margin: 0 0 0.875rem;
}

.experience-entry__content p:last-child {
  margin-bottom: 0;
}

.experience-entry:last-of-type .experience-entry__inner {
  border-bottom: none;
}

/* --- Contact --- */
.contact-text {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
}

.contact-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--space-lg);
}
.contact-links a { font-weight: 500; }

/* --- Contact page --- */
.contact-page .section-title { margin-bottom: var(--space-md); }
.contact-page .contact-text { margin-bottom: var(--space-lg); }

.contact-page {
  padding-top: var(--space-sml); /* was 3xl */
}

.contact-form-block {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-top: 4rem;
}

.contact-links-block {
  margin-top: var(--space-sm);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-left {
  padding-top: 4.5rem;
}

.contact-heading {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: var(--space-md);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
}

.contact-form textarea { resize: vertical; min-height: 6rem; }

.contact-form button { margin-top: var(--space-sm); }

.contact-form-note {
  margin-top: var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--color-border);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .site-header { padding: var(--space-md) var(--space-lg); }
  .nav { gap: var(--space-lg); }

  .project-card {
    grid-template-columns: 1fr;
  }
  .project-media { order: -1; }

  .hero { min-height: 45vh; }
  .section { padding: var(--space-2xl) var(--space-lg); }

  .project-detail { padding-left: var(--space-lg); padding-right: var(--space-lg); }
  .experience-entry { padding-left: var(--space-lg); padding-right: var(--space-lg); }
  .project-detail__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .project-detail__media { order: -1; }

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

@media (max-width: 480px) {
  .contact-links { flex-direction: column; }
}