/* ==========================================================================
   MRD Group — Fonts, reset, typography, layout primitives
   ========================================================================== */

/* --- Self-hosted fonts ---------------------------------------------------
   Served from the repo, not a CDN: the site must render identically on a
   locked-down corporate network and offline. latin-ext carries the Turkish
   glyphs (ğ ş ı İ), so both subsets load for Turkish copy.                */
@font-face {
  font-family: "Newsreader";
  src: url("../fonts/newsreader-latin-ext.woff2") format("woff2");
  font-weight: 300 600;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Newsreader";
  src: url("../fonts/newsreader-latin.woff2") format("woff2");
  font-weight: 300 600;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin-ext.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- Reset ------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* `overflow-x: hidden` on the body turns it into a scroll container, which
   fights the smooth-scroll library for ownership of the wheel. `clip` stops
   horizontal overflow without creating one. */
html,
body {
  overflow-x: clip;
}

body {
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: var(--lh-normal);
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

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

/* --- Typography --------------------------------------------------------
   Display type is serif, set light and tight. Body type is sans, set
   comfortably. The contrast between the two carries the whole identity.  */
h1,
h2,
h3,
h4 {
  font-family: var(--f-display);
  font-weight: 400;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-display);
  text-wrap: balance;
}

.t-hero {
  font-size: var(--t-hero);
  line-height: var(--lh-display);
}
.t-h1 {
  font-size: var(--t-h1);
}
.t-h2 {
  font-size: var(--t-h2);
}
.t-h3 {
  font-size: var(--t-h3);
  letter-spacing: -0.01em;
}

.t-lead {
  font-size: var(--t-lead);
  line-height: 1.55;
  color: var(--c-ink-dim);
  max-width: var(--w-text);
}

.t-label {
  font-family: var(--f-body);
  font-size: var(--t-label);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-ink-faint);
}

.t-label--accent {
  color: var(--c-accent);
}

p {
  max-width: var(--w-text);
  color: var(--c-ink-dim);
}

strong {
  color: var(--c-ink);
  font-weight: 600;
}

/* --- Layout primitives -------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--s-section);
  z-index: var(--z-content);
}

.stack > * + * {
  margin-top: var(--s-4);
}
.stack-lg > * + * {
  margin-top: var(--s-6);
}

/* --- Accessibility ------------------------------------------------------ */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: var(--s-3);
  left: var(--s-3);
  z-index: var(--z-loader);
  padding: var(--s-3) var(--s-5);
  background: var(--c-ink);
  color: var(--c-paper);
  font-weight: 500;
  transform: translateY(-200%);
  transition: transform var(--d-fast) var(--e-out);
}
.skip-link:focus-visible {
  transform: translateY(0);
}

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

/* --- Motion preference --------------------------------------------------
   Everything animated degrades to its final state. The site must be fully
   readable and navigable with zero motion.                                */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}