/* ============ Tokens ============ */
:root{
  --paper: #FCF5F3;
  --paper-deep: #F3E4DC;
  --ink: #2E2420;
  --ink-soft: #8A776D;
  --line: #EAD9CE;

  --brass: #E66B45;
  --brass-deep: #C6512F;

  --accent-1: #E4C468;
  --accent-2: #E2975A;
  --accent-3: #589BAC;
  --accent-4: #BB9AAD;
  --accent-5: #B08841;
  --accent-6: #E66B45;

  --display: "Instrument Sans", sans-serif;
  --body-font: "Instrument Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "Instrument Sans", sans-serif;

  --nav-h: 76px;
  --gap: 2px;
  --container: 1400px;
  --edge: clamp(20px, 4vw, 56px);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body-font);
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font: inherit; background:none; border:none; cursor:pointer; color: inherit; }

.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); white-space:nowrap;
}

:focus-visible{
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* ============ Nav ============ */
.nav{
  position: sticky; top:0; z-index: 40;
  height: var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 var(--edge);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav__name{
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.nav__links{
  display:flex; gap: clamp(16px, 3vw, 36px);
  font-family: var(--mono); font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav__links a{
  position:relative;
  padding-bottom: 4px;
  color: var(--ink-soft);
  transition: color .2s ease;
}
.nav__links a:hover, .nav__links a.is-active{ color: var(--ink); }
.nav__links a.is-active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-1px; height:1px;
  background: var(--brass);
}

/* ============ Hero ============ */
.hero{
  padding: clamp(48px, 9vw, 108px) var(--edge) clamp(32px, 6vw, 64px);
  max-width: var(--container);
  margin: 0 auto;
}
.hero__eyebrow{
  font-family: var(--mono); font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-deep);
  margin: 0 0 18px;
}
.hero__headline{
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  max-width: 18ch;
}
.hero__sub{
  font-size: clamp(14px, 1.4vw, 17px);
  color: var(--ink-soft);
  max-width: 46ch;
  line-height: 1.6;
  margin:0;
}

.hero__tags{
  display:flex; flex-wrap:wrap; gap:10px;
  margin: 22px 0 26px;
}
.hero__tag{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(13px, 1.5vw, 16px);
  color: var(--ink);
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--tag-color, var(--paper-deep));
}

/* ============ Contact-sheet grid ============ */
.grid{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--edge) clamp(60px, 8vw, 100px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.tile{
  position: relative;
  grid-column: span 2;
  aspect-ratio: 1 / 1;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--paper-deep);
  display:block;
}
.tile.size-wide{ grid-column: span 4; aspect-ratio: 21 / 10; }
.tile.size-tall{ grid-column: span 2; aspect-ratio: 3 / 4; }
.tile.size-square{ grid-column: span 2; aspect-ratio: 1 / 1; }

@media (min-width: 700px){
  .tile{ grid-column: span 2; }
  .tile.size-wide{ grid-column: span 4; }
}

.tile__ph{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  padding: 18px;
  background:
    repeating-linear-gradient(45deg, var(--paper-deep), var(--paper-deep) 10px, #DEE1DC 10px, #DEE1DC 11px);
}
.tile__ph span{
  font-family: var(--mono); font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: color-mix(in srgb, var(--paper) 85%, transparent);
  padding: 6px 10px;
  border: 1px dashed var(--line);
}

.tile__img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.tile:hover .tile__img, .tile:focus-visible .tile__img{ transform: scale(1.02); }
@media (prefers-reduced-motion: reduce){ .tile__img{ transition:none; } .tile:hover .tile__img{ transform:none; } }

.tile__frame{
  position:absolute; inset: 10px;
  border: 1px solid transparent;
  transition: border-color .25s ease;
  pointer-events:none;
}
.tile__mark{
  position:absolute; width:10px; height:10px;
  opacity:0; transition: opacity .25s ease;
}
.tile__mark::before, .tile__mark::after{
  content:""; position:absolute; background: var(--tile-accent, var(--brass));
}
.tile__mark::before{ width:100%; height:1px; top:50%; }
.tile__mark::after{ width:1px; height:100%; left:50%; }
.tile__mark.tl{ top:10px; left:10px; }
.tile__mark.tr{ top:10px; right:10px; }
.tile__mark.bl{ bottom:10px; left:10px; }
.tile__mark.br{ bottom:10px; right:10px; }

.tile__meta{
  position:absolute; left:14px; bottom:14px; right:14px;
  display:flex; align-items:flex-end; justify-content:space-between;
  opacity:0; transform: translateY(6px);
  transition: opacity .25s ease, transform .25s ease;
}
.tile__num{
  font-family: var(--mono); font-weight: 500; font-size: 11px; color: var(--tile-accent, var(--brass));
  letter-spacing: 0.05em;
}
.tile__title{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(18px, 2vw, 26px);
  color: var(--ink);
  text-transform: uppercase;
}
.tile__client{
  font-family: var(--mono); font-weight: 500; font-size: 10px; color: var(--ink-soft);
  text-align:right;
}

.tile:hover .tile__frame, .tile:focus-visible .tile__frame{ border-color: var(--tile-accent, var(--brass)); }
.tile:hover .tile__mark, .tile:focus-visible .tile__mark{ opacity: 0.8; }
.tile:hover .tile__meta, .tile:focus-visible .tile__meta{ opacity:1; transform: translateY(0); }
.tile:hover .tile__ph, .tile:focus-visible .tile__ph{ filter: brightness(0.96); }

@media (prefers-reduced-motion: reduce){
  .tile__frame, .tile__mark, .tile__meta, .tile__ph{ transition:none; }
}

/* ============ Project detail ============ */
.project{
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px var(--edge) 100px;
}
.project__back{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--mono); font-weight: 500; font-size:12px; letter-spacing:.06em;
  text-transform: uppercase; color: var(--ink-soft);
  margin: 20px 0 32px;
}
.project__back:hover{ color: var(--brass-deep); }

.project__head{
  margin-top: 8px;
  display:flex; flex-wrap:wrap; gap: 24px 48px;
  justify-content:space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px; margin-bottom: 28px;
}
.project__title{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(30px, 5vw, 56px);
  text-transform: uppercase;
  line-height: 1;
  margin: 0;
}
.project__specs{
  display:flex; flex-direction:column; gap:6px;
  font-family: var(--mono); font-weight: 500; font-size: 12px; color: var(--ink-soft);
  min-width: 200px;
}
.project__specs b{ color: var(--ink); font-weight:600; }

.project__desc{
  max-width: 60ch;
  font-size: 16px; line-height: 1.7; color: var(--ink);
  margin-bottom: 44px;
}

.project__credits{
  max-width: 60ch;
  margin: -16px 0 44px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display:flex; flex-direction:column; gap:6px;
}
.project__credits li{
  font-family: var(--mono); font-weight: 500; font-size:12px; color: var(--ink-soft);
  line-height:1.6;
}

.project__gallery{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.project__gallery figure{
  position:relative;
  margin:0;
  aspect-ratio: 4/3;
  overflow:hidden;
  background: var(--paper-deep);
}
.project__gallery .media{
  width:100%; height:100%; object-fit:cover; display:block;
}
.project__gallery figure iframe{
  position:absolute; inset:0; width:100%; height:100%; border:0;
}

.project__nav{
  margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--line);
  display:flex; justify-content:flex-end;
}
.project__next{
  font-family: var(--mono); font-weight: 500; font-size: 12px; letter-spacing:.06em;
  text-transform: uppercase; color: var(--ink-soft);
}
.project__next b{
  display:block; font-family: var(--display); font-size: 24px;
  text-transform: uppercase; color: var(--ink); font-weight:600;
  margin-top: 4px;
}
.project__next:hover b{ color: var(--brass-deep); }

/* ============ About ============ */
.about{
  max-width: var(--container);
  margin:0 auto;
  padding: clamp(40px,7vw,80px) var(--edge) 100px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 800px){
  .about{ grid-template-columns: 340px 1fr; align-items:start; }
}
.about__photo{
  aspect-ratio: 4/5;
  background: var(--paper-deep);
  overflow: hidden;
}
.about__photo-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about h1{
  font-family: var(--display); font-weight:600; text-transform:uppercase;
  font-size: clamp(30px,4vw,44px); margin: 0 0 20px;
}
.about p{ font-size:16px; line-height:1.75; color: var(--ink); max-width: 62ch; margin: 0 0 18px; }
.about__skills-heading{
  font-family: var(--mono); font-weight: 500; font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; color: var(--brass-deep); margin: 32px 0 12px;
}
.about__skills{ display:flex; flex-wrap:wrap; gap:10px; }
.about__skills li{
  font-family: var(--mono); font-weight: 500; font-size:13px; letter-spacing:.03em;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--chip-color, var(--paper-deep));
  color: var(--ink);
}
.about__resume{
  display:inline-block; margin-top: 28px;
  font-family: var(--mono); font-weight: 500; font-size:12px; text-transform:uppercase;
  letter-spacing:.06em; border-bottom: 1px solid var(--brass); color: var(--ink);
  padding-bottom: 3px;
}
.about__education{
  font-family: var(--mono); font-weight: 500; font-size:12px; color: var(--ink-soft);
  margin-top:20px; letter-spacing:.02em;
}
.about__education b{ color: var(--ink); }

.exp-list{ display:flex; flex-direction:column; gap:24px; }
.exp{
  display:grid; grid-template-columns: 130px 1fr; gap:20px;
  padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.exp:last-child{ border-bottom:none; }
.exp__years{
  font-family: var(--mono); font-weight: 500; font-size:11px; color: var(--brass-deep);
  letter-spacing:.04em; white-space:nowrap; padding-top:2px;
}
.exp__role{ font-size:15px; margin-bottom:6px; }
.exp p{ font-size:14px; line-height:1.65; color: var(--ink-soft); margin:0; }
@media (max-width: 560px){
  .exp{ grid-template-columns: 1fr; gap:6px; }
}

.personal-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 480px;
}
.personal-label{
  display:block; font-family: var(--mono); font-weight: 500; font-size:10px; letter-spacing:.06em;
  text-transform:uppercase; color: var(--ink-soft); margin-bottom:10px;
}

/* ============ Contact ============ */
.contact{
  max-width: 720px;
  margin:0 auto;
  padding: clamp(48px,8vw,96px) var(--edge) 120px;
}
.contact h1{
  font-family: var(--display); font-weight:600; text-transform:uppercase;
  font-size: clamp(30px,5vw,52px); margin:0 0 18px;
}
.contact p{ font-size:16px; line-height:1.7; color: var(--ink-soft); margin:0 0 32px; max-width: 56ch; }
.contact__email{
  font-family: var(--display); font-weight:600;
  font-size: clamp(22px,3vw,32px);
  border-bottom: 2px solid var(--brass);
  display:inline-block; padding-bottom:4px; margin-bottom: 36px;
}
.contact__socials{ display:flex; gap: 22px; }
.contact__socials a{
  font-family: var(--mono); font-weight: 500; font-size:12px; letter-spacing:.06em;
  text-transform:uppercase; color: var(--ink-soft); border-bottom:1px solid var(--line);
  padding-bottom:3px;
}
.contact__socials a:hover{ color: var(--brass-deep); border-color: var(--brass); }

/* ============ Footer ============ */
.footer{
  border-top: 1px solid var(--line);
  padding: 26px var(--edge);
  display:flex; justify-content:space-between; align-items:center;
  font-family: var(--mono); font-weight: 500; font-size: 11px; color: var(--ink-soft);
  letter-spacing:.04em;
}