/* ============================================================
   Thouheeth Kabir — portfolio
   ============================================================ */

:root{
  --bg:          #ffffff;
  --ink:         #121212;
  --ink-strong:  #000000;
  --muted:       #7e7e7e;
  --line:        #ebebeb;
  --chip:        #f5f5f5;
  --chip-hover:  #ededed;

  --shell:       640px;
  --pad-x:       16px;
  --pad-y:       32px;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
}

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

html{ -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,p,ul,ol{ margin:0; padding:0; }
ul,ol{ list-style:none; }

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

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

::selection{ background:var(--ink); color:var(--bg); }

:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:3px;
  border-radius:4px;
}

.ico{
  width:1em; height:1em;
  flex:none;
  overflow:visible;
}

/* ---------- Shell: centred column with vertical rails ---------- */

.shell{
  display:flex;
  flex-direction:column;
  width:100%;
  max-width:var(--shell);
  min-height:100vh;
  margin-inline:auto;
  border-inline:1px solid var(--line);
}

.band{
  padding:var(--pad-y) var(--pad-x);
  border-bottom:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:24px;
}

.band:last-child{ border-bottom:0; }

/* ---------- Status bar ---------- */

.band--bar{ padding-block:14px; }

.bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:-.24px;
  text-transform:uppercase;
  color:var(--muted);
}

.bar__item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  white-space:nowrap;
}

.bar .ico{ width:14px; height:14px; }

/* keep the clock from reflowing as digits change */
#clock{ font-variant-numeric:tabular-nums; }

/* ---------- Hero ---------- */

.band--hero{
  align-items:center;
  text-align:center;
  gap:24px;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px 4px 8px;
  border-radius:6px;
  background:var(--chip);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:-.4px;
  transition:background .2s var(--ease), transform .2s var(--ease);
}

.badge:hover{ background:var(--chip-hover); transform:translateY(-1px); }

.badge__logo{ width:12px; height:12px; }

.avatar{
  width:60px; height:60px;
  border-radius:999px;
  padding:3px;
  background:var(--bg);
  box-shadow:0 0 0 1px var(--line), 0 2px 10px rgba(0,0,0,.06);
}

.avatar img{
  width:100%; height:100%;
  border-radius:999px;
  object-fit:cover;
}

.hero__text{ display:flex; flex-direction:column; gap:6px; }

.hero__text h1{
  font-size:28px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:-1.4px;
  color:var(--ink);
}

.hero__role{
  font-size:20px;
  font-weight:400;
  line-height:1.2;
  letter-spacing:-.4px;
  color:var(--muted);
}

/* ---------- Section titles ---------- */

.s-title{
  font-family:var(--mono);
  font-size:14px;
  font-weight:500;
  line-height:1.6;
  letter-spacing:-.28px;
  text-transform:uppercase;
  color:var(--ink);
}

/* ---------- About ---------- */

.prose{ display:flex; flex-direction:column; gap:20px; }

.prose p{
  font-size:16px;
  line-height:24px;
  letter-spacing:-.16px;
  color:var(--muted);
  text-wrap:pretty;
}

/* ---------- Projects ---------- */

.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}

.card a{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.card__media{
  position:relative;
  display:block;
  aspect-ratio:294/145;
  overflow:hidden;
  border-radius:6px;
  background:var(--chip);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);
}

.card__media img{
  width:100%; height:100%;
  object-fit:cover;
  object-position:top center;
  transition:transform .45s var(--ease);
}

.card__arrow{
  position:absolute;
  top:8px; right:8px;
  width:24px; height:24px;
  display:grid;
  place-items:center;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--ink);
  box-shadow:0 1px 4px rgba(0,0,0,.14);
  opacity:0;
  transform:translateY(-4px) scale(.9);
  transition:opacity .25s var(--ease), transform .25s var(--ease);
}

.card__arrow .ico{ width:12px; height:12px; }

.card a:hover .card__media img,
.card a:focus-visible .card__media img{ transform:scale(1.04); }

.card a:hover .card__arrow,
.card a:focus-visible .card__arrow{ opacity:1; transform:none; }

.card__name{
  font-family:var(--mono);
  font-size:12px;
  font-weight:500;
  line-height:1.6;
  letter-spacing:-.24px;
  text-transform:uppercase;
  color:var(--ink);
}

.card__meta{
  font-family:var(--mono);
  font-size:10px;
  line-height:1.2;
  letter-spacing:-.4px;
  color:var(--muted);
}

/* ---------- Experience ---------- */

.roles{ display:flex; flex-direction:column; gap:32px; }

.role{ display:flex; flex-direction:column; gap:4px; }

.role__title{
  font-size:16px;
  font-weight:500;
  line-height:1.5;
  letter-spacing:-.32px;
  color:var(--ink-strong);
}

.role__meta{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:11px;
  line-height:1.4;
  letter-spacing:-.22px;
  text-transform:uppercase;
  color:var(--muted);
}

.role__meta .dot{ opacity:.6; }

.role__desc{
  margin-top:4px;
  font-size:16px;
  line-height:24px;
  letter-spacing:-.16px;
  color:var(--muted);
  text-wrap:pretty;
}

/* ---------- Contact ---------- */

.contact{ display:flex; flex-direction:column; gap:16px; }

.contact li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
}

.contact__label{
  font-size:16px;
  letter-spacing:-.16px;
  color:var(--ink);
}

.contact__value{
  font-size:16px;
  letter-spacing:-.16px;
  color:var(--muted);
  text-align:right;
  word-break:break-word;
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;
  background-position:100% 100%;
  background-repeat:no-repeat;
  transition:color .2s var(--ease), background-size .3s var(--ease);
}

.contact__value:hover{
  color:var(--ink);
  background-size:100% 1px;
  background-position:0 100%;
}

/* ---------- 404 ---------- */

/* Grows to fill whatever height the short page leaves, so the footer
   still sits at the bottom of the viewport. */
.band--404{
  flex:1 0 auto;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap:12px;
  padding-block:80px;
}

.nf__code{
  font-family:var(--mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:-.24px;
  text-transform:uppercase;
  color:var(--muted);
}

.nf__title{
  font-size:28px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:-1.4px;
  color:var(--ink);
}

.nf__text{
  max-width:38ch;
  font-size:16px;
  line-height:24px;
  letter-spacing:-.16px;
  color:var(--muted);
  text-wrap:pretty;
}

.nf__back{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  padding:8px 14px 8px 11px;
  border-radius:6px;
  background:var(--chip);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:-.4px;
  transition:background .2s var(--ease), transform .2s var(--ease);
}

.nf__back:hover{ background:var(--chip-hover); transform:translateY(-1px); }

.nf__back .ico{ width:13px; height:13px; }

/* ---------- Footer ---------- */

.band--foot{
  padding-block:40px;
  align-items:center;
  gap:12px;
}

.band--foot p{
  font-size:16px;
  line-height:1.625;
  letter-spacing:-.32px;
  color:var(--muted);
  text-align:center;
}

/* Flex only on the row that pairs text with the link — a flex container
   would split the copyright's text nodes into separately-gapped items. */
.foot__line{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
}

.foot__link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--muted);
  transition:color .2s var(--ease);
}

.foot__link:hover{ color:var(--ink); }

.foot__logo{
  width:12px;
  height:12px;
}

/* ---------- Entrance animation ---------- */

/* `both` fill keeps the end state even if the tab is backgrounded
   mid-animation, so a section can never be left stuck at opacity 0. */
@keyframes rise{
  from{ opacity:0; transform:translateY(12px); }
  to  { opacity:1; transform:none; }
}

.reveal{ opacity:0; }

.reveal.is-in{
  animation:rise .6s var(--ease) both;
}

/* ---------- Responsive ---------- */

@media (max-width:640px){
  .shell{ border-inline:0; }
}

@media (max-width:560px){
  :root{ --pad-x:20px; --pad-y:28px; }

  .grid{ grid-template-columns:1fr; gap:24px; }

  .hero__text h1{ font-size:26px; letter-spacing:-1.2px; }
  .hero__role{ font-size:18px; }

  .contact li{
    flex-direction:column;
    align-items:flex-start;
    gap:2px;
  }
  .contact__value{ text-align:left; }

  /* touch devices have no hover — always show the arrow affordance */
  .card__arrow{ opacity:1; transform:none; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{ opacity:1; transform:none; }
}

/* ---------- Print ---------- */

@media print{
  .shell{ border:0; max-width:none; }
  .card__arrow, .band--bar{ display:none; }
  .band{ break-inside:avoid; }
}