/* ── CSS Custom Properties (Design Tokens) ─────────────────── */

:root {
  /* ── Colors ── */
  --color-bg:           #ffffff;
  --color-text:         #000000;
  --color-text-muted:   #b6b4b4;
  --color-border:       transparent;
  --color-link:         #000000;
  --color-link-hover:   #555555;

  /* ── Typography ── */
  --font-primary:       'Source Serif 4', 'Georgia', serif;
  --font-secondary:     'Arial', Helvetica, sans-serif;

  --font-size-xs:       12px;
  --font-size-sm:       14px;
  --font-size-base:     14px;
  --font-size-md:       15px;
  --font-size-lg:       20px;
  --font-size-xl:       28px;

  --font-weight-regular: 400;
  --font-weight-medium:  500;

  --line-height-tight:   1.3;
  --line-height-normal:  1.3;

  /* ── Spacing ── */
  --space-xs:           8px;
  --space-sm:           10px;
  --space-md:           14px;
  --space-lg:           18px;
  --space-xl:           24px;
  --space-2xl:          36px;
  --space-3xl:          48px;
  --space-4xl:          64px;
  --space-5xl:          80px;

  /* ── Layout ── */
  --container-max:      1920px;
  --container-padding:  35px;
  --sidebar-width:      271px;
  --sidebar-project-gap: 600px; /* Distance from sidebar end (306px) to projects (906px) */
  --project-info-width:  271px;
  --project-gallery-gap: 50px;  /* Distance from project text to image */
  --gallery-width:      460px; /* Minimal width for single project image */
  --gallery-height:     313px; /* Corresponding height matching 697x474 aspect ratio */
  --project-gap:        120px;  /* Vertical gap between project items */

  /* ── Transitions ── */
  --transition-fast:    0.2s ease-in-out;
  --transition-base:    0.3s ease;
  --transition-slow:    0.6s cubic-bezier(0.22, 1, 0.36, 1);

  /* ── Border Radius ── */
  --radius-sm:          0px;    /* Original site has sharp corners for images */
  --radius-md:          0px;
  --radius-pill:        30px;

  /* ── Gallery ── */
  --gallery-dot-size:   6px;
  --gallery-dot-gap:    8px;
}


/* ── Reset & Base ──────────────────────────────────────────── */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  overflow-x: hidden;
}

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

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}


/* ── Page Load Animation ───────────────────────────────────── */

.page-wrapper {
  width: 100%;
  min-height: 100vh;
  position: relative;
  opacity: 0;
  animation: pageAppear 0.4s ease-in-out 0.1s forwards;
}

@keyframes pageAppear {
  from { opacity: 0; }
  to   { opacity: 1; }
}


/* ── Scroll Reveal Animation ───────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }
.reveal-delay-5 { transition-delay: 0.25s; }

@media (prefers-reduced-motion: reduce) {
  .page-wrapper {
    animation: none;
    opacity: 1;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }
}


/* ── Main Layout ───────────────────────────────────────────── */

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


/* ── Site Layout ───────────────────────────────────────────── */

.site-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) var(--sidebar-project-gap) var(--project-info-width) var(--project-gallery-gap) var(--gallery-width);
  padding-top: 19px;
  position: relative;
  width: 100%;
  justify-content: center;
}

.sidebar {
  grid-column: 1;
  position: sticky;
  top: 19px;
  align-self: flex-start;
  height: calc(100vh - 38px);
  display: flex;
  flex-direction: column;
  padding-bottom: var(--space-xl);
}

.site-name {
  font-family: var(--font-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.55;
  color: var(--color-text);
  margin-bottom: 9px; /* Matches 50px top of bio - 19px top of site-name - 22px height */
}

.bio {
  margin-bottom: 18px; /* Matches 126px top of bio-extra - 72px top of bio - 36px height */
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-tight);
}

.bio em {
  font-style: italic;
  font-weight: var(--font-weight-medium);
}

.bio-extra {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: 43px; /* Matches 205px top of CTA - 126px top of bio-extra - 36px height */
}

.cta-text {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-tight);
  margin-bottom: 0;
}

.cta-text em {
  font-style: italic;
  font-weight: var(--font-weight-medium);
}

.cta-text .cta-link {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cta-text .cta-link:hover {
  text-decoration-color: var(--color-link-hover);
}

.cta-subtext {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}


/* ── Contact Links (Bottom of sidebar) ─────────────────────── */

.contact-links {
  margin-top: auto;
  padding-top: var(--space-xl);
}

.contact-links a {
  display: block;
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: 1.55;
  color: var(--color-text);
  padding: 2px 0;
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.contact-links a:hover {
  border-bottom-color: var(--color-text);
}


/* ── Projects Section (Main Content) ───────────────────────── */

.projects {
  grid-column: 3 / span 3;
  padding-top: 24px;
}

.project {
  margin-bottom: var(--project-gap);
  display: grid;
  grid-template-columns: var(--project-info-width) var(--project-gallery-gap) var(--gallery-width);
}

.project-info {
  grid-column: 1;
  padding-top: 18px; /* Matches alignment with top:42px of gallery vs top:60px of title */
}

.project-title {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  margin-bottom: 26px; /* Matches 104px top of year - 60px top of title - 18px height */
}

.project-title a {
  color: var(--color-text);
  text-decoration: none;
}

.project-title a:hover {
  opacity: 0.6;
}

.project-year {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  margin-bottom: 28px; /* Matches 150px top of description - 104px top of year - 18px height */
}

.project-description {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: 0;
}

/* project-tag lives inside .project-gallery so grid-column: 3 aligns it under the image */
.project-tag {
  margin-top: 13px;
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
}

.project-gallery {
  grid-column: 3;
}


/* ── Project Image ─────────────────────────────────────────── */

.project-image {
  position: relative;
  width: 100%;
  aspect-ratio: 697 / 474;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.project-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-image:hover img {
  transform: scale(1.02); /* Minimal zoom hover effect */
}

@media (prefers-reduced-motion: reduce) {
  .project-image img {
    transition: none;
  }
}


/* ── Footer Section ────────────────────────────────────────── */

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

.footer-content {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  flex-wrap: wrap;
}

.footer-content a {
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  text-underline-offset: 2px;
}


/* ── Responsive Breakpoints ────────────────────────────────── */

/* Desktop: 1200px–1919px */
@media screen and (max-width: 1919px) {
  :root {
    --sidebar-project-gap: 150px;
    --project-gallery-gap: 40px;
    --gallery-width:      420px;
    --gallery-height:     286px;
  }
}

/* Tablet: 960px–1199px */
@media screen and (max-width: 1199px) {
  :root {
    --sidebar-project-gap: 50px;
    --project-gallery-gap: 0px;
    --gallery-width:      420px;
    --gallery-height:     286px;
    --project-info-width: 100%;
    --project-gap:        80px;
  }

  .site-layout {
    grid-template-columns: var(--sidebar-width) var(--sidebar-project-gap) var(--gallery-width);
  }

  .projects {
    grid-column: 3;
  }

  .project {
    grid-template-columns: 100%;
    gap: var(--space-md);
  }

  .project-info {
    grid-column: 1;
    padding-top: 0;
  }

  .project-gallery {
    grid-column: 1;
  }

  .project-tag {
    margin-top: var(--space-xs);
  }
}

/* Mobile Large / Tablet (≤ 959px) */
@media screen and (max-width: 959px) {
  .site-layout {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
    padding-top: 12px;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
  }

  .sidebar {
    position: relative;
    top: 0;
    width: 100%;
    height: auto;
    padding-bottom: 0;
  }

  .projects {
    width: 100%;
    padding-top: 0;
  }

  .project {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-4xl);
  }

  .project-info {
    max-width: unset;
    width: 100%;
    padding-top: 0;
  }

  .project-gallery {
    width: 100%;
  }

  .project-tag {
    margin-top: var(--space-xs);
  }

  .contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    padding-top: var(--space-lg);
  }
}

/* Mobile Small (≤ 479px) */
@media screen and (max-width: 479px) {
  .site-layout {
    padding-top: 21px;
    gap: var(--space-2xl);
  }

  .site-name {
    margin-bottom: var(--space-lg);
  }

  .contact-links {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .footer-content {
    flex-direction: column;
    gap: 4px;
  }

  .gallery-dots {
    bottom: 4px;
  }

  .gallery-arrow {
    display: none;
  }
}

/* Print Styles */
@media print {
  .page-wrapper {
    opacity: 1;
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .gallery-arrow,
  .gallery-dots {
    display: none;
  }

  .gallery-track {
    flex-wrap: wrap;
  }

  .gallery-slide {
    page-break-inside: avoid;
  }
}