@font-face {
  font-family: "Geist";
  src: url("/geist.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --paper: light-dark(#f3f0e8, #11110f);
  --ink: light-dark(#171714, #f2efe7);
  --quiet: light-dark(#68675f, #aaa79e);
  --line: light-dark(rgb(23 23 20 / 22%), rgb(242 239 231 / 20%));
  --accent: light-dark(#ff4f1f, #ff6b3d);
  --motif-line-alpha: 0.018;
  --motif-symbol-alpha: 0.028;
  --motif-text-alpha: 0.04;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Geist", Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

::selection {
  background: var(--accent);
  color: var(--paper);
}

.page-shell {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  padding: 28px 34px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 56px;
  overflow: hidden;
}

.site-header,
.hero,
.site-footer {
  position: relative;
  z-index: 2;
}

.motifs {
  position: absolute;
  z-index: 1;
  inset: 0;
  overflow: hidden;
  color: var(--ink);
  pointer-events: none;
  user-select: none;
}

.motif-field {
  position: absolute;
  inset: -3%;
  width: 106%;
  height: 106%;
}

.terrain-lines {
  opacity: var(--motif-line-alpha);
  stroke: currentColor;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  transition: opacity 180ms ease;
}

.tile-symbols {
  opacity: var(--motif-symbol-alpha);
  stroke: currentColor;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  transition: opacity 180ms ease;
}

.motif-note {
  position: absolute;
  opacity: var(--motif-text-alpha);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: opacity 180ms ease;
}

.motif-marmara {
  top: 18%;
  left: 22%;
}

.motif-anadolu {
  top: 37%;
  right: 18%;
}

.motif-ege {
  bottom: 23%;
  left: 13%;
}

.motif-index {
  right: 31px;
  bottom: 24%;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.site-header,
.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  font-weight: 500;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.wordmark span,
.site-header p,
.site-footer p {
  color: var(--quiet);
}

.site-header p,
.site-footer p,
.discipline {
  margin: 0;
}

.hero {
  position: relative;
}

.discipline {
  margin-bottom: 15px;
  color: var(--quiet);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: max-content;
  font-size: clamp(5.5rem, 17vw, 12rem);
  font-weight: 500;
  line-height: 0.78;
  letter-spacing: -0.085em;
}

.name-line {
  display: block;
  transform: translate3d(0, 0, 0);
}

.name-accent {
  display: inline-block;
  color: var(--accent);
  transform: translate3d(0, 0, 0) scale(1);
  transform-origin: 35% 72%;
}

.site-footer {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.site-footer a {
  padding-bottom: 3px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  border-bottom-color: currentColor;
}

.site-footer p {
  text-align: right;
}

@media (max-width: 620px) {
  .page-shell {
    padding: 22px 20px;
    gap: 42px;
  }

  h1 {
    font-size: clamp(4.125rem, 25vw, 7rem);
  }

  .site-footer {
    flex-direction: column;
  }

  .site-footer p {
    text-align: left;
  }

  .motif-index {
    right: 18px;
  }
}

/* Browser zoom reduces the CSS viewport on desktop. These steps reveal the
   hidden layer progressively while keeping touch-sized layouts quiet. */
@media (hover: hover) and (pointer: fine) and (max-width: 1120px) {
  :root {
    --motif-line-alpha: 0.03;
    --motif-symbol-alpha: 0.046;
    --motif-text-alpha: 0.07;
  }

  h1 {
    line-height: 0.785;
    letter-spacing: -0.081em;
  }

  .name-line-first {
    transform: translate3d(-0.008em, 0, 0);
  }

  .name-line-last {
    transform: translate3d(0.012em, 0, 0);
  }

  .name-accent {
    transform: translate3d(0.016em, -0.008em, 0) scale(0.985);
  }

  .discipline {
    letter-spacing: 0.105em;
    transform: translate3d(0.12rem, 0, 0);
  }
}

@media (hover: hover) and (pointer: fine) and (max-width: 880px) {
  :root {
    --motif-line-alpha: 0.065;
    --motif-symbol-alpha: 0.082;
    --motif-text-alpha: 0.12;
  }

  h1 {
    line-height: 0.8;
    letter-spacing: -0.072em;
  }

  .name-line-first {
    transform: translate3d(-0.024em, 0, 0);
  }

  .name-line-last {
    transform: translate3d(0.038em, 0, 0);
  }

  .name-accent {
    transform: translate3d(0.052em, -0.028em, 0) scale(0.94);
  }

  .discipline {
    letter-spacing: 0.12em;
    transform: translate3d(0.38rem, 0, 0);
  }
}

@media (hover: hover) and (pointer: fine) and (max-width: 700px) {
  :root {
    --motif-line-alpha: 0.11;
    --motif-symbol-alpha: 0.135;
    --motif-text-alpha: 0.19;
  }

  h1 {
    line-height: 0.825;
    letter-spacing: -0.058em;
  }

  .name-line-first {
    transform: translate3d(-0.048em, -0.008em, 0);
  }

  .name-line-last {
    transform: translate3d(0.072em, 0.012em, 0);
  }

  .name-accent {
    transform: translate3d(0.1em, -0.058em, 0) scale(0.87);
  }

  .discipline {
    letter-spacing: 0.145em;
    transform: translate3d(0.72rem, 0, 0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  h1,
  .name-line,
  .name-accent,
  .discipline {
    transition-duration: 520ms;
    transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    transition-property: transform, letter-spacing, line-height;
  }

  .wordmark,
  .site-footer a {
    transition: opacity 160ms ease, border-color 160ms ease;
  }

  .wordmark:hover,
  .wordmark:focus-visible {
    opacity: 0.62;
  }
}