/* ============================================
   JASMINE GREEN — PORTFOLIO
   Palette sampled directly from her brand deck:
   teal #76BDC3 / gold #C9974A / champagne #DEC187
   ============================================ */

:root{
  --teal: #76BDC3;
  --teal-deep: #4E9298;
  --gold: #B98A3D;
  --gold-light: #DEC187;
  --cream: #FBF9F4;
  --white: #FFFFFF;
  --ink: #2B2A28;
  --ink-soft: #6B6459;
  --border: #E3DCC9;

  --font-script: 'Parisienne', cursive;
  --font-display: 'Playfair Display', serif;
  --font-body: 'EB Garamond', serif;
  --font-label: 'Josefin Sans', sans-serif;
}

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

html{ scroll-behavior: smooth; }

body{
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow{
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 14px;
}
.eyebrow-light{ color: var(--gold-light); }
.center{ text-align:center; }

.section-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 42px);
  color: var(--ink);
  margin-bottom: 18px;
}
.section-title.light{ color: var(--white); }
.section-sub{
  max-width: 560px;
  margin: 0 auto 50px;
  color: var(--ink-soft);
  font-size: 19px;
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-block;
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 2px;
  transition: all 0.25s ease;
  border: 1.5px solid transparent;
}
.btn-primary{
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover{ background: var(--teal-deep); transform: translateY(-2px); }
.btn-ghost{
  border-color: var(--border);
  color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--teal); color: var(--teal-deep); }
.btn-ghost-light{
  border-color: rgba(255,255,255,0.6);
  color: var(--white);
}
.btn-ghost-light:hover{ background: rgba(255,255,255,0.12); }

/* ---------- HEADER ---------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 1000;
  background: rgba(251,249,244,0.0);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 22px 0;
}
.site-header.scrolled{
  background: rgba(251,249,244,0.96);
  box-shadow: 0 2px 18px rgba(0,0,0,0.06);
  padding: 14px 0;
}
.header-inner{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
  display:flex;
  align-items:center;
  justify-content: space-between;
}
.logo{
  font-family: var(--font-script);
  font-size: 28px;
  color: var(--white);
  transition: color 0.3s ease;
}
.site-header.scrolled .logo{ color: var(--gold); }

.main-nav{ display:flex; align-items:center; gap: 34px; }
.main-nav a{
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.3s ease, opacity 0.2s ease;
  opacity: 0.9;
}
.main-nav a:hover{ opacity: 1; color: var(--gold-light); }
.site-header.scrolled .main-nav a{ color: var(--ink); }
.site-header.scrolled .main-nav a:hover{ color: var(--teal-deep); }
.nav-cta{
  border: 1.5px solid currentColor;
  padding: 8px 18px;
  border-radius: 2px;
}

.nav-toggle{
  display:none;
  flex-direction: column;
  gap: 5px;
  background:none;
  border:none;
  cursor:pointer;
  padding: 6px;
}
.nav-toggle span{
  width: 24px; height: 2px;
  background: var(--white);
  transition: background 0.3s ease;
}
.site-header.scrolled .nav-toggle span{ background: var(--ink); }

/* ---------- HERO ---------- */
.hero{
  position: relative;
  height: 100vh;
  min-height: 560px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow: hidden;
}
.hero-bg{
  position:absolute; inset:0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}
.hero-overlay{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(43,42,40,0.45) 0%, rgba(43,42,40,0.55) 55%, rgba(43,42,40,0.78) 100%);
}
.hero-content{
  position: relative;
  z-index: 2;
  text-align:center;
  color: var(--white);
  max-width: 880px;
  padding: 0 24px;
}
.hero-name{
  font-family: var(--font-script);
  font-size: clamp(56px, 9vw, 96px);
  font-weight: 400;
  color: var(--white);
  margin: 6px 0 8px;
  line-height: 1;
}
.hero-title{
  font-family: var(--font-label);
  font-size: clamp(12px, 1.6vw, 14.5px);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 22px;
}
.hero-tagline{
  font-family: var(--font-body);
  font-style: italic;
  font-size: 21px;
  color: rgba(255,255,255,0.92);
  max-width: 540px;
  margin: 0 auto 36px;
}
.hero-actions{
  display:flex;
  gap: 16px;
  justify-content:center;
  flex-wrap: wrap;
}

.scroll-cue{
  position:absolute;
  bottom: 28px;
  left:50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-cue span{
  display:block;
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.6);
  position: relative;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse{
  0%,100%{ opacity: 0.3; }
  50%{ opacity: 1; }
}

/* ---------- STITCH DIVIDER ---------- */
.stitch-divider{
  width:100%;
  height: 24px;
  line-height: 0;
}
.stitch-divider svg{ width:100%; height:100%; }
.stitch-divider line{
  stroke: var(--gold-light);
  stroke-width: 2;
}

/* ---------- ABOUT ---------- */
.about{ padding: 100px 0; background: var(--white); }
.about-grid{
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  align-items: center;
}
.about-photo img{
  border-radius: 4px;
  box-shadow: 0 24px 60px -20px rgba(43,42,40,0.3);
}
.about-copy p{ margin-bottom: 18px; color: var(--ink); }
.stat-row{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.stat{ text-align:left; }
.stat-num{
  display:block;
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--teal-deep);
  font-weight: 600;
}
.stat-label{
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

/* ---------- TEACHING ---------- */
.teaching-block{
  margin-top: 60px;
  padding-top: 44px;
  border-top: 1px solid var(--border);
}
.teaching-title{
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  margin: 4px 0 28px;
}
.teaching-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
}
.teaching-col h4{
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--teal-deep);
  margin-bottom: 16px;
}
.teaching-col h4 span{
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.teaching-col ul{ list-style:none; }
.teaching-col li{
  display:flex;
  align-items:baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  color: var(--ink);
}
.course-code{
  flex-shrink: 0;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--ink-soft);
  white-space: nowrap;
}
.venture-logos{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 8px;
  padding-top: 18px;
}
.venture-logo-img{
  height: 92px;
  width: auto;
  object-fit: contain;
  margin-right: 36px;
}
.venture-logo-img:last-child{ margin-right: 0; }
.venture-logo-tde{
  height: 92px;
  padding: 10px;
  background: #000;
  border-radius: 2px;
}

/* ---------- CONCEPT STRIP ---------- */
.concept-strip{ padding: 80px 0; background: var(--cream); }
.concept-text-top{ max-width: 640px; margin: 0 auto 44px; text-align: center; }
.concept-text-top p{ color: var(--ink); margin-top: 18px; }
.concept-row{
  display: flex;
  gap: 22px;
  align-items: flex-start;
  margin-bottom: 22px;
}
.concept-row:last-child{ margin-bottom: 0; }
.concept-row-hero{ max-width: 760px; margin: 0 auto 22px; }
.concept-row-item{ flex: 1; min-width: 0; }
.concept-row-wide{ flex: 1.6; }
.concept-row-item img,
.concept-row-item video{
  width: 100%;
  display: block;
  border-radius: 4px;
  box-shadow: 0 24px 60px -24px rgba(43,42,40,0.28);
  background: var(--ink);
}
.concept-caption{
  font-family: var(--font-body);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 20px;
}

/* ---------- SIGNATURE REVEAL ---------- */
.reveal-feature{ background: var(--ink); }
.reveal-stage{
  position: relative;
  height: 100vh;
  min-height: 520px;
  max-height: 880px;
  overflow: hidden;
}
.reveal-layer{ position:absolute; inset:0; }
.reveal-layer img{ width:100%; height:100%; object-fit:cover; display:block; }
.reveal-bottom{ z-index:1; }
.reveal-top{
  z-index:2;
  -webkit-mask-image: radial-gradient(circle var(--r,0px) at var(--mx,50%) var(--my,40%), transparent 0, transparent var(--r,0px), black calc(var(--r,0px) + 1px));
  mask-image: radial-gradient(circle var(--r,0px) at var(--mx,50%) var(--my,40%), transparent 0, transparent var(--r,0px), black calc(var(--r,0px) + 1px));
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}
.reveal-scrim{
  position:absolute; inset:0;
  z-index:3;
  background: linear-gradient(180deg, rgba(20,19,18,0) 35%, rgba(20,19,18,0.82) 100%);
  pointer-events:none;
}
.reveal-caption{
  position:absolute;
  left:0; right:0; bottom:0;
  z-index:4;
  padding: 70px 50px;
  color: var(--white);
  max-width: 640px;
}
.reveal-title{
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 600;
  margin: 8px 0 12px;
}
.reveal-title em{ font-style: italic; font-weight: 500; opacity:0.85; }
.reveal-sub{
  font-family: var(--font-body);
  font-style: italic;
  font-size: 17px;
  opacity: 0.85;
}
.reveal-cta{
  display:inline-block;
  margin-top: 20px;
  font-family: var(--font-label);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  padding-bottom: 4px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.reveal-cta:hover{ color: var(--gold-light); border-color: var(--gold-light); }

@media (max-width: 640px){
  .reveal-stage{ height: 78vh; min-height: 460px; }
  .reveal-caption{ padding: 36px 26px; }
}


.work{ padding: 100px 0; }
.work-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.work-card{
  cursor: pointer;
  background: var(--white);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 10px 30px -16px rgba(43,42,40,0.18);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.work-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 22px 40px -16px rgba(43,42,40,0.28);
}
.work-img{ overflow:hidden; aspect-ratio: 4/3.1; background:#eee; position: relative; }
.work-img img{
  width:100%; height:100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.work-card:hover .work-img img{ transform: scale(1.06); }
.gallery-badge{
  position: absolute;
  bottom: 14px; right: 14px;
  background: rgba(43,42,40,0.72);
  color: var(--white);
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 6px 13px;
  border-radius: 20px;
  backdrop-filter: blur(2px);
}
.work-info{ padding: 22px 24px 26px; }
.work-tag{
  display:inline-block;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: 10px;
  font-weight: 600;
}
.work-info h3{
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--ink);
}
.work-info h3 em{ font-style: italic; font-weight: 500; color: var(--ink-soft); }
.work-info p{ color: var(--ink-soft); font-size: 16.5px; }

/* ---------- SKILLS ---------- */
.skills{ padding: 100px 0; background: var(--white); }
.skills-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-top: 50px;
}
.skill-col h3{
  font-family: var(--font-display);
  font-size: 21px;
  margin-bottom: 18px;
  color: var(--gold);
  font-weight: 600;
}
.skill-col ul{ list-style:none; }
.skill-col li{
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
  color: var(--ink);
}
.chip-list{ display:flex; flex-wrap:wrap; gap: 10px; }
.chip{
  font-family: var(--font-label);
  font-size: 13px;
  padding: 8px 16px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--ink);
}

/* ---------- CONTACT ---------- */
.contact{
  background: var(--ink);
  color: var(--white);
  padding: 100px 0 50px;
}
.contact-sub{ color: rgba(255,255,255,0.7); max-width: 480px; margin: 0 auto 36px; }
.contact-actions{
  display:flex; gap: 16px; justify-content:center; flex-wrap: wrap;
  margin-bottom: 40px;
}
.contact .btn-ghost{ border-color: rgba(255,255,255,0.3); color: var(--white); }
.contact .btn-ghost:hover{ border-color: var(--gold-light); color: var(--gold-light); }
.contact-meta{
  display:flex; gap: 28px; justify-content:center;
  font-family: var(--font-label);
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.social-row{
  display:flex; gap: 26px; justify-content:center;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 50px;
  flex-wrap: wrap;
}
.social-row a{ color: rgba(255,255,255,0.75); transition: color 0.2s ease; }
.social-row a:hover{ color: var(--teal); }
.copyright{
  text-align:center;
  font-family: var(--font-label);
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* ---------- LIGHTBOX ---------- */
.lightbox{
  position: fixed; inset:0;
  background: rgba(20,19,18,0.92);
  z-index: 2000;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 40px 24px;
  overflow-y: auto;
}
.lightbox.open{ display:flex; }
.lightbox-inner{
  max-width: 1000px;
  width: 100%;
  background: var(--white);
  border-radius: 6px;
  overflow:hidden;
  display:grid;
  grid-template-columns: 1.4fr 1fr;
  max-height: 86vh;
}
.lightbox-inner img{ width:100%; height:100%; object-fit: contain; background:#111; max-height: 86vh; }
.lightbox-image-area{ position: relative; background:#111; overflow:hidden; }
.lightbox-arrow{
  position:absolute;
  top:50%; transform: translateY(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  border:none;
  font-size: 26px;
  line-height: 1;
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lightbox-arrow:hover{ background: var(--white); transform: translateY(-50%) scale(1.08); }
.lightbox-prev{ left: 16px; }
.lightbox-next{ right: 16px; }
.lightbox-counter{
  position:absolute;
  bottom: 14px; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.55);
  color: var(--white);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 5px 14px;
  border-radius: 20px;
}
.lightbox-thumbs{
  display:flex; gap: 8px; margin-top: 22px; flex-wrap: wrap;
}
.lightbox-thumbs img{
  width: 56px; height: 56px;
  object-fit: cover;
  border-radius: 3px;
  cursor:pointer;
  opacity: 0.55;
  border: 2px solid transparent;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}
.lightbox-thumbs img:hover{ opacity: 0.85; }
.lightbox-thumbs img.active{ opacity: 1; border-color: var(--teal); }
.lightbox-caption{ padding: 40px; overflow-y:auto; }
.lightbox-caption h3{
  font-family: var(--font-display);
  font-size: 26px;
  margin: 10px 0 16px;
}
.lightbox-caption p{ color: var(--ink-soft); }
.lightbox-close{
  position: fixed;
  top: 22px; right: 30px;
  font-size: 34px;
  color: var(--white);
  background:none; border:none; cursor:pointer;
  line-height:1;
  z-index: 2001;
}

/* ---------- FADE-IN (progressive enhancement: only hides content if JS confirmed running) ---------- */
html.has-js .fade-in{ opacity:0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
html.has-js .fade-in.visible{ opacity:1; transform: translateY(0); }

/* ---------- CASE STUDY PAGES ---------- */
.case-hero{
  padding: 150px 0 60px;
  background: var(--white);
}
.case-hero .container{ max-width: 800px; }
.case-tag{
  font-family: var(--font-label);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-deep);
  font-weight: 600;
}
.case-title{
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 600;
  margin: 12px 0 22px;
  color: var(--ink);
}
.case-desc{
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 720px;
}
.case-meta{
  display:flex; gap: 28px; flex-wrap:wrap;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.case-meta div{ font-size: 14px; }
.case-meta span{
  display:block;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.section-jump{
  display:flex; flex-wrap:wrap; gap: 10px;
  margin: 30px 0 0;
}
.section-jump a{
  font-family: var(--font-label);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--ink-soft);
  transition: all 0.2s ease;
}
.section-jump a:hover{ border-color: var(--teal); color: var(--teal-deep); }

.case-section{ padding: 50px 0; background: var(--white); }
.case-section:nth-child(even){ background: var(--cream); }
.case-section-title{
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 36px;
  text-align: center;
}
.case-image-block{
  max-width: 980px;
  margin: 0 auto 56px;
  text-align: center;
}
.case-image-block:last-child{ margin-bottom: 0; }
.case-image-block img{
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 24px 60px -24px rgba(43,42,40,0.28);
  cursor: zoom-in;
}
.case-image-block video{
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 24px 60px -24px rgba(43,42,40,0.28);
  background: var(--ink);
}
.case-image-caption{
  font-family: var(--font-body);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-soft);
  margin-top: 16px;
}
.case-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1140px;
  margin: 0 auto 56px;
}
.case-grid-item{ text-align: center; }
.case-grid-item img{
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 24px 60px -24px rgba(43,42,40,0.28);
  cursor: zoom-in;
}
.case-grid-item .case-image-caption{ font-size: 14px; margin-top: 10px; }
.case-footnote{
  max-width: 700px;
  margin: 50px auto 0;
  text-align: center;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  opacity: 0.75;
}
.case-dev-note{
  text-align: center;
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: 36px;
}
.case-dev-note a{ color: var(--teal-deep); text-decoration: underline; }

.case-nav{
  background: var(--ink);
  padding: 60px 0;
}
.case-nav-row{
  display:flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.case-nav-link{
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
}
.case-nav-link span{
  display:block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  text-transform: none;
  letter-spacing: 0;
  margin-top: 6px;
  color: var(--gold-light);
}
.case-nav-link.next{ text-align: right; }
.case-nav-back{
  text-align:center;
  margin-top: 36px;
}
.case-nav-back a{
  font-family: var(--font-label);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 3px;
}
.case-nav-back a:hover{ color: var(--white); }

/* simple zoom overlay for case-study images */
.zoom-overlay{
  position: fixed; inset:0;
  background: rgba(10,10,10,0.92);
  z-index: 3000;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 30px;
  cursor: zoom-out;
}
.zoom-overlay.open{ display:flex; }
.zoom-overlay img{
  max-width: 100%; max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

@media (max-width: 640px){
  .case-hero{ padding: 120px 0 40px; }
  .case-meta{ gap: 18px; }
  .case-nav-row{ flex-direction: column; text-align:center; }
  .case-nav-link.next{ text-align:center; }
}


@media (max-width: 900px){
  .about-grid{ grid-template-columns: 1fr; gap: 40px; }
  .work-grid{ grid-template-columns: repeat(2, 1fr); }
  .skills-grid{ grid-template-columns: 1fr; gap: 36px; }
  .teaching-grid{ grid-template-columns: 1fr; gap: 30px; }
  .concept-row{ flex-direction: column; gap: 24px; }
  .concept-row-wide{ flex: 1; }
  .case-grid{ grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .lightbox-inner{ grid-template-columns: 1fr; max-height: 92vh; }
  .lightbox-inner img{ max-height: 50vh; }
}

@media (max-width: 640px){
  body{ font-size: 16.5px; }
  .container{ padding: 0 22px; }
  .main-nav{
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 78%;
    max-width: 320px;
    background: var(--ink);
    flex-direction: column;
    justify-content:center;
    align-items: flex-start;
    gap: 28px;
    padding: 0 40px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ color: var(--white); font-size: 17px; }
  .nav-toggle{ display:flex; }
  .work-grid{ grid-template-columns: 1fr; }
  .stat-row{ grid-template-columns: repeat(2,1fr); row-gap: 22px; }
  .hero-actions{ flex-direction:column; width:100%; }
  .hero-actions .btn{ width:100%; text-align:center; }
  .contact-actions{ flex-direction:column; width:100%; }
  .contact-actions .btn{ width:100%; text-align:center; }
}