/* kerim.one — personal links page
   2026 redesign. Themes via [data-theme] on <html>; defaults to the
   visitor's system setting, overridable with the footer toggle. */

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

:root {
  /* dark palette (default / no-JS / no preference) */
  color-scheme: dark;
  --bg: oklch(0.18 0.022 260);
  --text: oklch(0.96 0.008 255);
  --muted: oklch(0.74 0.02 255);
  --muted2: oklch(0.60 0.02 255);
  --accent: oklch(0.70 0.15 290);
  --zh: oklch(0.70 0.02 255);
  --strong: oklch(0.86 0.01 255);
  --host: oklch(0.58 0.02 255);
  --line: oklch(0.96 0.008 255 / 0.12);
  --line2: oklch(0.96 0.008 255 / 0.1);
  --tint-bg: oklch(0.70 0.15 290 / 0.14);
  --hover-bg: oklch(0.70 0.15 290 / 0.12);
  --icon: brightness(0) invert(1);
  --blob-a: oklch(0.70 0.15 290);
  --blob-b: oklch(0.78 0.13 200);
  --blob-a-op: 0.22;
  --blob-b-op: 0.16;
  --on-accent: oklch(0.16 0.02 260);
}

/* light palette */
:root[data-theme="light"] {
  color-scheme: light;
  --bg: oklch(0.975 0.005 250);
  --text: oklch(0.27 0.02 260);
  --muted: oklch(0.46 0.02 260);
  --muted2: oklch(0.55 0.02 260);
  --accent: oklch(0.52 0.17 290);
  --zh: oklch(0.50 0.04 290);
  --strong: oklch(0.34 0.02 260);
  --host: oklch(0.55 0.02 260);
  --line: oklch(0.27 0.02 260 / 0.16);
  --line2: oklch(0.27 0.02 260 / 0.1);
  --tint-bg: oklch(0.52 0.17 290 / 0.10);
  --hover-bg: oklch(0.52 0.17 290 / 0.07);
  --icon: brightness(0);
  --blob-a: oklch(0.62 0.16 290);
  --blob-b: oklch(0.72 0.13 200);
  --blob-a-op: 0.10;
  --blob-b-op: 0.08;
  --on-accent: oklch(0.98 0.005 250);
}

/* auto light when the system asks and the visitor hasn't chosen */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg: oklch(0.975 0.005 250);
    --text: oklch(0.27 0.02 260);
    --muted: oklch(0.46 0.02 260);
    --muted2: oklch(0.55 0.02 260);
    --accent: oklch(0.52 0.17 290);
    --zh: oklch(0.50 0.04 290);
    --strong: oklch(0.34 0.02 260);
    --host: oklch(0.55 0.02 260);
    --line: oklch(0.27 0.02 260 / 0.16);
    --line2: oklch(0.27 0.02 260 / 0.1);
    --tint-bg: oklch(0.52 0.17 290 / 0.10);
    --hover-bg: oklch(0.52 0.17 290 / 0.07);
    --icon: brightness(0);
    --blob-a: oklch(0.62 0.16 290);
    --blob-b: oklch(0.72 0.13 200);
    --blob-a-op: 0.10;
    --blob-b-op: 0.08;
    --on-accent: oklch(0.98 0.005 250);
  }
}

body {
  margin: 0;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* soft background glows */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.blob--a {
  bottom: -80px;
  left: -60px;
  width: 320px;
  height: 320px;
  background: var(--blob-a);
  opacity: var(--blob-a-op);
}
.blob--b {
  top: -90px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: var(--blob-b);
  opacity: var(--blob-b-op);
}

.page {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(28px, 7cqi, 64px) clamp(22px, 6cqi, 52px);
  container-type: inline-size;
}

/* header: name block + avatar */
.intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.intro__text {
  flex: 1;
  min-width: 0;
}
.eyebrow {
  font-family: "Space Mono", monospace;
  font-size: clamp(10px, 2.6cqi, 12px);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 clamp(12px, 3cqi, 20px);
}
.name {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(34px, 9cqi, 54px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0;
}
.name-zh {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(19px, 5cqi, 26px);
  color: var(--zh);
  margin: 8px 0 0;
}
.avatar {
  flex: none;
  width: clamp(58px, 15cqi, 84px);
  height: clamp(58px, 15cqi, 84px);
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
}

.tagline {
  font-size: clamp(14px, 3.6cqi, 16px);
  line-height: 1.6;
  color: var(--muted);
  max-width: 440px;
  margin: clamp(18px, 4cqi, 26px) 0 clamp(22px, 5cqi, 32px);
}
.tagline span { color: var(--strong); }

/* link list */
.links { border-top: 1px solid var(--line); }
.link {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3cqi, 18px);
  padding: clamp(13px, 3.4cqi, 17px) clamp(4px, 2cqi, 12px);
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--line2);
  transition: background 0.22s, transform 0.22s, padding 0.22s;
}
.link:hover,
.link:focus-visible {
  background: var(--hover-bg);
  transform: translateX(6px);
  padding-left: 18px;
}
.link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.link__icon {
  flex: none;
  width: clamp(30px, 8cqi, 36px);
  height: clamp(30px, 8cqi, 36px);
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--tint-bg);
}
.link__icon img {
  width: clamp(15px, 3.8cqi, 18px);
  height: clamp(15px, 3.8cqi, 18px);
  filter: var(--icon);
  opacity: 0.9;
}
.link__title {
  flex: 1;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  font-size: clamp(17px, 4.6cqi, 22px);
  letter-spacing: -0.01em;
}
.link__host {
  flex: none;
  font-family: "Space Mono", monospace;
  font-size: 12px;
  color: var(--host);
}
.link__arrow {
  flex: none;
  color: var(--accent);
  font-size: 18px;
}

/* footer: contact line + theme toggle */
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: clamp(22px, 5cqi, 30px);
}
.foot__contact {
  flex: 1;
  min-width: 200px;
  margin: 0;
  font-size: clamp(12px, 3cqi, 13px);
  line-height: 1.6;
  color: var(--muted2);
}

.theme-toggle {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border-radius: 999px;
  background: var(--tint-bg);
  border: 1px solid var(--line);
  flex: none;
}
.theme-toggle__btn {
  display: grid;
  place-items: center;
  width: 34px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  background: transparent;
  color: var(--muted2);
  transition: background 0.2s, color 0.2s;
}
.theme-toggle__btn.is-active {
  background: var(--accent);
  color: var(--on-accent);
}
.theme-toggle__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.theme-toggle__btn svg {
  width: 15px;
  height: 15px;
  display: block;
}

/* hide the small host labels on narrow screens, like the mockup */
@container (max-width: 470px) {
  .link__host { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .link,
  .theme-toggle__btn { transition: none; }
  .link:hover,
  .link:focus-visible { transform: none; }
}
