/* ===== Irit Tarasula — Portfolio ===== */

:root{
  --bg: #faf9f6;
  --bg-elevated: #efeee8;
  --fg: #171613;
  --fg-dim: #58564e;
  --fg-faint: #8c8a7e;
  --line: #e2e0d6;
  --accent: #63790f;
  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1400px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

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

html{ background: var(--bg); scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,h2,h3{
  font-family: 'Oswald', 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
  font-weight: 600;
}

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

/* ===== Header ===== */

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px var(--gutter);
  background: rgba(250,249,246,0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.site-header.scrolled{ border-bottom-color: var(--line); }

.nav-group{ display: flex; align-items: center; gap: 22px; flex: 1; }
.nav-group.right{ justify-content: flex-end; }

.nav-link{
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  position: relative;
  padding-bottom: 2px;
  transition: color .25s var(--ease);
}
.nav-link:hover, .nav-link.active{ color: var(--fg); }
.nav-link::after{
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -3px;
  height: 1px;
  background: var(--accent);
  transition: right .3s var(--ease);
}
.nav-link:hover::after, .nav-link.active::after{ right: 0; }

.logo{
  font-family: 'Oswald', sans-serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.social-icons{ display: flex; align-items: center; gap: 16px; }
.social-icons a{
  color: var(--fg-dim);
  display: inline-flex;
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.social-icons a:hover{ color: var(--fg); transform: translateY(-2px); }
.social-icons svg{ width: 18px; height: 18px; }

/* ===== Hero / intro ===== */

.hero{
  padding: 96px var(--gutter) 56px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero-eyebrow{
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1{
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.05;
  max-width: 16ch;
}
.hero p{
  margin-top: 20px;
  color: var(--fg-dim);
  max-width: 46ch;
  font-size: 17px;
}

/* ===== Work grid ===== */

.work-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border-top: 1px solid var(--line);
}
@media (max-width: 720px){
  .work-grid{ grid-template-columns: 1fr; }
}

.work-card{
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-elevated);
  display: block;
}

.work-card img, .work-card .thumb-bg{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform .7s var(--ease), filter .7s var(--ease);
  filter: grayscale(35%) brightness(.92);
}
.work-card:hover img{
  transform: scale(1.1);
  filter: grayscale(0%) brightness(1);
}

.work-card .overlay{
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 45%, rgba(0,0,0,0.75) 100%);
  opacity: .88;
  transition: opacity .4s var(--ease);
}
.work-card:hover .overlay{ opacity: 1; }

.work-card .num{
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.work-card h3{
  font-size: clamp(20px, 2.4vw, 28px);
  color: #fff;
  transform: translateY(6px);
  transition: transform .4s var(--ease);
}
.work-card:hover h3{ transform: translateY(0); }
.work-card .year{
  margin-top: 6px;
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  letter-spacing: .06em;
}

/* ===== Project page ===== */

.project-head{
  padding: 88px var(--gutter) 40px;
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
}
.project-head .kicker{
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  color: var(--fg-faint);
  letter-spacing: .12em;
  margin-bottom: 14px;
}
.project-head h1{
  font-size: clamp(30px, 5vw, 52px);
}

.project-body{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) 40px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
}
@media (max-width: 860px){
  .project-body{ grid-template-columns: 1fr; gap: 32px; }
}

.project-desc p{
  color: var(--fg-dim);
  font-size: 17px;
  max-width: 62ch;
}

.project-meta{ display: flex; flex-direction: column; gap: 22px; }
.meta-block strong{
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg);
  margin-bottom: 6px;
}
.meta-block span, .meta-block a{
  color: var(--fg-dim);
  font-size: 14px;
  display: block;
}
.meta-block a:hover{ color: var(--accent); }

.watch-btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 8px auto 0;
  padding: 14px 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.watch-btn:hover{ border-color: var(--accent); background: rgba(216,255,94,0.06); }

.project-media{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.project-media img, .project-media video{
  width: 100%;
  border-radius: 4px;
}
.media-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 720px){
  .media-grid{ grid-template-columns: 1fr; }
}
.media-grid.cols-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px){
  .media-grid.cols-4{ grid-template-columns: repeat(2, 1fr); }
}

.video-embed{
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
}
.video-embed iframe{
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
}
.video-embed{ cursor: pointer; background-size: cover; background-position: center; }
.video-embed .play-btn{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-embed .play-btn::after{
  content: '';
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(10,10,10,0.55);
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}
.video-embed .play-btn svg{
  position: absolute;
  width: 22px;
  height: 22px;
  color: #fff;
  transform: translateX(2px);
}
.video-embed:hover .play-btn::after{ background: rgba(10,10,10,0.7); }

.sub-project{
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.sub-project:first-child{ border-top: none; padding-top: 0; }
.sub-project p{ color: var(--fg-dim); max-width: 62ch; margin: 0 0 18px; }
.sub-project .tools{ color: var(--fg-faint); font-size: 13px; margin-top: 14px; }
.sub-project .tools strong{ color: var(--fg-dim); }

.gallery-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}
@media (max-width: 860px){
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
}
.gallery-grid img{
  width: 100%; height: 100%; aspect-ratio: 1/1; object-fit: cover;
  transition: transform .5s var(--ease), opacity .5s var(--ease);
  cursor: pointer;
}
.gallery-grid img:hover{ transform: scale(1.03); opacity: .9; }

.back-link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0 var(--gutter);
}
.back-link:hover{ color: var(--fg); }
.back-link svg{ width: 14px; height: 14px; transition: transform .25s var(--ease); }
.back-link:hover svg{ transform: translateX(-3px); }

/* ===== About page ===== */

.about-wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px var(--gutter) 100px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 72px;
}
@media (max-width: 860px){
  .about-wrap{ grid-template-columns: 1fr; gap: 40px; }
}
.about-photo{
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-elevated);
  position: sticky;
  top: 110px;
  align-self: start;
}
.about-photo img{ width: 100%; }
@media (max-width: 860px){ .about-photo{ position: static; max-width: 340px; } }

.about-content h2{ font-size: 15px; color: var(--fg-faint); margin-bottom: 18px; }
.about-content .lead{
  font-size: clamp(22px, 3vw, 30px);
  font-family: 'Oswald', sans-serif;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.35;
  color: var(--fg);
  margin-bottom: 48px;
}

.skills{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
@media (max-width: 500px){ .skills{ grid-template-columns: 1fr; } }
.skill-group strong{
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--fg);
}
.skill-group ul{ list-style: none; margin: 0; padding: 0; }
.skill-group li{
  color: var(--fg-dim);
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.cta-row{ display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 64px; }

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: all .25s var(--ease);
}
.btn-primary{ background: var(--accent); color: #faf9f6; }
.btn-primary:hover{ background: #4d5f0c; transform: translateY(-2px); }
.btn-ghost{ border: 1px solid var(--line); color: var(--fg); }
.btn-ghost:hover{ border-color: var(--fg-dim); }

.contact-block h2{ margin-bottom: 10px; }
.contact-block .big-link{
  font-family: 'Oswald', sans-serif;
  font-size: clamp(24px, 4vw, 38px);
  text-transform: none;
  letter-spacing: 0;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  transition: color .25s var(--ease), gap .25s var(--ease);
}
.contact-block .big-link:hover{ color: var(--accent); gap: 20px; }

/* ===== Footer ===== */

.site-footer{
  border-top: 1px solid var(--line);
  padding: 32px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--fg-faint);
  font-size: 13px;
}
.site-footer a{ color: var(--fg-faint); }
.site-footer a:hover{ color: var(--fg); }

/* ===== Reveal on scroll ===== */

.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in{ opacity: 1; transform: translateY(0); }

/* ===== Back to top ===== */

.to-top{
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), border-color .3s var(--ease);
  z-index: 40;
}
.to-top.show{ opacity: 1; pointer-events: auto; }
.to-top:hover{ border-color: var(--accent); transform: translateY(-3px); }
.to-top svg{ width: 16px; height: 16px; }