:root {
  --bg: #faf9f6;
  --ink: #16161a;
  --ink-soft: #1f1f22;
  --accent: #1a8a67;
  --accent-dark: #15805f;
  --muted: #6a6a63;
  --muted-2: #74746c;
  --mono-mute: #9a9a90;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Geist', system-ui, -apple-system, sans-serif;
  --line: rgba(20, 20, 25, 0.1);
  --line-soft: rgba(20, 20, 25, 0.08);
  --sidebar-w: clamp(300px, 38vw, 460px);
}

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

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(26, 138, 103, 0.18); }

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

a { color: inherit; }

button {
  font-family: inherit;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  color: inherit;
}

.mono { font-family: var(--mono); }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}

#app { min-height: 100vh; background: var(--bg); position: relative; }

/* ============================= SIDEBAR ============================= */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: var(--sidebar-w);
  padding: 64px clamp(40px, 4vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 40px;
  border-right: 1px solid rgba(20, 20, 25, 0.07);
}

.brand-link { text-decoration: none; color: inherit; display: inline-block; }

.brand-name {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 0.98;
  font-size: clamp(30px, 4.4vw, 52px);
  color: var(--ink);
}

.brand-role {
  margin: 18px 0 0;
  font-size: 16px;
  font-weight: 500;
  color: #2b2b2e;
  letter-spacing: 0.01em;
}

.brand-tagline {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.55;
  color: #6f6f68;
  max-width: 30ch;
}

.brand-location {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mono-mute);
}

/* Nav */
.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 7px 0;
  text-align: left;
}

.nav-line {
  height: 1px;
  flex: none;
  width: 22px;
  background: rgba(20, 20, 25, 0.3);
  transition: width 0.3s cubic-bezier(0.22, 0.61, 0.36, 1), background 0.3s ease;
}

.nav-item[aria-current="true"] .nav-line { width: 44px; background: var(--accent); }

.nav-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mono-mute);
  transition: color 0.25s ease;
}

.nav-item[aria-current="true"] .nav-label { color: var(--ink); }

/* Bottom block */
.sidebar-foot { display: flex; flex-direction: column; gap: 22px; }

.availability {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  align-self: flex-start;
  padding: 7px 13px;
  border: 1px solid rgba(26, 138, 103, 0.35);
  border-radius: 999px;
  background: rgba(26, 138, 103, 0.06);
}

.availability-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(26, 138, 103, 0.18);
}

.availability-text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  text-transform: uppercase;
}

.socials { display: flex; flex-direction: column; gap: 12px; }

.social {
  text-decoration: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: #5b5b54;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s ease;
}

.social:hover { color: var(--accent); }
.social .arr { opacity: 0.5; }

/* ============================= MAIN ============================= */
.main {
  margin-left: var(--sidebar-w);
  padding: clamp(96px, 11vw, 140px) clamp(48px, 6vw, 110px) 90px;
  max-width: 880px;
}

.section { scroll-margin-top: 90px; }
.section--about { max-width: 680px; }
.section--projects { margin-top: clamp(96px, 12vw, 150px); }
.section--skills { margin-top: clamp(96px, 12vw, 150px); max-width: 780px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 34px;
}
.section--projects .eyebrow,
.section--skills .eyebrow { margin-bottom: 14px; }

.eyebrow-line { width: 26px; height: 1px; background: var(--accent); }

.eyebrow-text {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mono-mute);
}

.section-title {
  margin: 0 0 50px;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.section--skills .section-title { margin-bottom: 44px; }

/* About */
.about-lead {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.45;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
}
.about-lead .em { color: var(--ink); font-weight: 500; }

.about-p {
  margin: 26px 0 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--muted);
}
.about-p + .about-p { margin-top: 18px; }
.about-p .em-accent { color: var(--accent-dark); font-weight: 500; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 500;
}

.btn--primary {
  background: var(--ink);
  color: var(--bg);
  transition: background 0.2s ease;
}
.btn--primary:hover { background: var(--accent); }

.btn--ghost {
  border: 1px solid rgba(20, 20, 25, 0.18);
  color: var(--ink);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ============================= PROJECTS ============================= */
.projects-list { display: flex; flex-direction: column; gap: 56px; }

.project { display: flex; flex-wrap: wrap; gap: 32px; }

.project-thumb-btn {
  flex: 1.15 1 280px;
  min-width: 240px;
  display: block;
  position: relative;
}

.thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 3px;
  overflow: hidden;
  background: repeating-linear-gradient(135deg, #efeee8, #efeee8 14px, #eae9e2 14px, #eae9e2 28px);
  border: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease;
}
.project-thumb-btn:hover .thumb { border-color: rgba(26, 138, 103, 0.5); }

/* Real preview image fills the project card thumbnail. */
.thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.thumb-tag {
  position: absolute;
  top: 12px;
  left: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #a7a79c;
  text-transform: uppercase;
}

.thumb-label {
  font-family: var(--mono);
  font-size: 12px;
  color: #a3a399;
  letter-spacing: 0.02em;
  padding: 0 16px;
  text-align: center;
}

.project-body {
  flex: 1 1 280px;
  min-width: 240px;
  display: flex;
  flex-direction: column;
}

.project-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.project-name {
  text-align: left;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color 0.2s ease;
}
.project-name:hover { color: var(--accent); }

.project-metric {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--accent);
  white-space: nowrap;
}

.project-oneliner {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.tag {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--muted-2);
  border: 1px solid rgba(20, 20, 25, 0.12);
  padding: 4px 9px;
  border-radius: 2px;
}

.project-links {
  display: flex;
  gap: 20px;
  margin-top: auto;
  padding-top: 22px;
}

.proj-link {
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}
.proj-link--primary { color: var(--ink); }
.proj-link--muted { color: #8a8a82; }
.proj-link:hover { color: var(--accent); }
.proj-link--muted .arr { opacity: 0.6; }

/* ============================= SKILLS ============================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 38px 48px;
}

.skill-group-title {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.skill-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.skill-list li {
  font-size: 16px;
  color: #3a3a3d;
  line-height: 1.4;
}

/* ============================= FOOTER ============================= */
.footer {
  margin-top: clamp(96px, 12vw, 150px);
  padding-top: 30px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}

.footer span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mono-mute);
  letter-spacing: 0.03em;
}

/* ============================= CASE STUDY ============================= */
.case {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) clamp(22px, 5vw, 40px) 100px;
}

.case-back {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted-2);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: clamp(34px, 5vw, 56px);
  transition: color 0.2s ease;
}
.case-back:hover { color: var(--accent); }

.case-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.case-eyebrow .eyebrow-text { letter-spacing: 0.14em; }

.case-title {
  margin: 0;
  font-size: clamp(38px, 7vw, 76px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}

.case-oneliner {
  margin: 20px 0 0;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.5;
  color: #5d5d56;
  max-width: 46ch;
}

.case-hero {
  position: relative;
  aspect-ratio: 21 / 9;
  margin-top: clamp(34px, 5vw, 52px);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: repeating-linear-gradient(135deg, #efeee8, #efeee8 16px, #eae9e2 16px, #eae9e2 32px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-hero .thumb-tag { top: 14px; left: 16px; }
.case-hero .hero-label {
  font-family: var(--mono);
  font-size: 13px;
  color: #a3a399;
}

/* Real screenshots sit in the placeholder boxes (hero + gallery),
   shown in full (contain) and letterboxed against a flat background. */
.case-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
/* Replace the striped placeholder pattern with a clean frame when a real
   image is present, so the letterbox area reads as page background. */
.case-hero:has(.case-img),
.gallery-item:has(.case-img) {
  background: var(--bg);
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
  margin-top: clamp(34px, 5vw, 48px);
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-meta-label {
  margin: 0 0 7px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mono-mute);
}

.case-meta-value {
  margin: 0;
  font-size: 14.5px;
  color: #3a3a3d;
  line-height: 1.45;
}

.case-meta-links { display: flex; gap: 18px; align-items: flex-start; }
.case-meta-links a {
  text-decoration: none;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  display: inline-flex;
  gap: 5px;
  align-items: center;
  transition: opacity 0.2s ease;
}
.case-meta-links a:hover { opacity: 0.7; }

.case-body {
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 68px);
  margin-top: clamp(48px, 6vw, 68px);
}

.case-h2 {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.case-lead {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.65;
  color: #2b2b2e;
  max-width: 62ch;
}

.case-text {
  margin: 0;
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.7;
  color: #3a3a3d;
  max-width: 62ch;
}

.approach { display: flex; flex-direction: column; gap: 30px; }
.case-section .case-h2--block { margin-bottom: 26px; }

.approach-item { display: flex; gap: 22px; align-items: flex-start; }
.approach-num {
  font-family: var(--mono);
  font-size: 13px;
  color: #bcbcb2;
  padding-top: 3px;
  flex: none;
}
.approach-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.approach-body {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 56ch;
}

.outcome-lead { margin: 0 0 32px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px;
}
.metric { padding: 22px 0; border-top: 2px solid var(--accent); }
.metric-v {
  margin: 0 0 6px;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.metric-l { margin: 0; font-size: 13.5px; line-height: 1.4; color: var(--muted-2); }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.gallery-item {
  position: relative;
  aspect-ratio: 21 / 9;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: repeating-linear-gradient(135deg, #efeee8, #efeee8 13px, #eae9e2 13px, #eae9e2 26px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-item .thumb-tag { top: 11px; left: 13px; font-size: 10px; letter-spacing: 0.08em; }
.gallery-label {
  font-family: var(--mono);
  font-size: 12px;
  color: #a3a399;
  padding: 0 14px;
  text-align: center;
}

/* Clickable photos open the full-site lightbox. */
.gallery-item--photo,
.case-hero--photo { cursor: zoom-in; }
.gallery-item--photo .case-img,
.case-hero--photo .case-img { transition: transform 0.4s ease; }
.gallery-item--photo:hover .case-img,
.case-hero--photo:hover .case-img { transform: scale(1.03); }
.gallery-item--photo:focus-visible,
.case-hero--photo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ----------------------------------------------------------------- *
 * Lightbox
 * ----------------------------------------------------------------- */
body.lb-lock { overflow: hidden; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 56px);
}
.lightbox.is-open { display: flex; }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 18, 0.92);
  cursor: zoom-out;
  animation: lb-fade 0.25s ease;
}
@keyframes lb-fade { from { opacity: 0; } to { opacity: 1; } }

.lightbox-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: min(1100px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.lightbox-img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 3px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
  background: var(--bg);
}
.lightbox-caption {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.78);
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: clamp(12px, 3vw, 26px);
  right: clamp(12px, 3vw, 26px);
  z-index: 2;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.22); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}
.lightbox-nav:hover { background: rgba(255, 255, 255, 0.22); }
.lightbox-prev { left: clamp(8px, 2.5vw, 28px); }
.lightbox-next { right: clamp(8px, 2.5vw, 28px); }

.lightbox-counter {
  position: absolute;
  bottom: clamp(14px, 3vw, 28px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 600px) {
  .lightbox-nav { width: 42px; height: 42px; font-size: 24px; }
  .lightbox-img { max-height: 70vh; }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox-backdrop { animation: none; }
  .gallery-item--photo .case-img,
  .case-hero--photo .case-img { transition: none; }
  .gallery-item--photo:hover .case-img,
  .case-hero--photo:hover .case-img { transform: none; }
}

.case-foot {
  margin-top: clamp(56px, 7vw, 84px);
  padding-top: 30px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
.case-foot-cta {
  text-decoration: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s ease;
}
.case-foot-cta:hover { opacity: 0.7; }

/* ============================= REVEAL ============================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ============================= MOBILE ============================= */
@media (max-width: 860px) {
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 50;
    height: auto;
    width: 100%;
    padding: 16px 22px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-right: none;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(250, 249, 246, 0.88);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
  }

  .brand-name { font-size: clamp(22px, 7vw, 30px); }
  .sidebar-detail { display: none; }

  .nav {
    flex-direction: row;
    gap: 20px;
    align-items: center;
  }
  .nav-item { padding: 4px 0; gap: 0; }
  .nav-line { display: none; }
  .nav-label { font-size: 12.5px; }

  .main {
    margin-left: 0;
    padding: 44px 22px 64px;
    max-width: none;
  }
}