/* Mathew Munyao — tech blue. */

:root {
  --bg: #070d18;
  --bg-2: #0b1526;
  --ink: #e8f2ff;
  --ink-soft: #9db6d4;
  --mute: #6e8aab;
  --line: rgba(56, 189, 248, 0.16);
  --line-strong: rgba(56, 189, 248, 0.28);
  --card: rgba(10, 28, 52, 0.7);
  --violet: #2563eb;
  --blue: #38bdf8;
  --rose: #1d4ed8;
  --pink: #22d3ee;
  --accent: #3b82f6;
  --cyan: #22d3ee;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, monospace;
  --rail: 4.75rem;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --max: 72rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  background: var(--bg);
  color: var(--ink);
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.011em;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, var(--ink) 28%, transparent);
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
  transition: color 0.25s var(--ease), text-decoration-color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

a:hover {
  text-decoration-color: var(--ink);
}

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

::selection {
  background: #1d4ed8;
  color: #e8f2ff;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 30;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
}

.skip:focus {
  top: 0.75rem;
}

/* Atmosphere */

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.code-rain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.38;
}

.blobs {
  position: absolute;
  inset: -10%;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.4;
  will-change: transform;
}

.blob--violet {
  width: min(46vw, 34rem);
  height: min(46vw, 34rem);
  top: -8%;
  left: -6%;
  background: var(--violet);
  animation: drift-a 22s var(--ease) infinite alternate;
}

.blob--blue {
  width: min(40vw, 30rem);
  height: min(40vw, 30rem);
  top: 4%;
  right: -8%;
  background: var(--blue);
  animation: drift-b 26s var(--ease) infinite alternate;
}

.blob--rose {
  width: min(42vw, 32rem);
  height: min(42vw, 32rem);
  bottom: 6%;
  left: 18%;
  background: var(--rose);
  animation: drift-c 24s var(--ease) infinite alternate;
}

.blob--pink {
  width: min(28vw, 22rem);
  height: min(28vw, 22rem);
  top: 42%;
  right: 22%;
  background: var(--pink);
  animation: drift-a 20s var(--ease) infinite alternate-reverse;
}

@keyframes drift-a {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(4%, 6%) scale(1.08); }
}

@keyframes drift-b {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-5%, 4%) scale(1.06); }
}

@keyframes drift-c {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(3%, -5%) scale(1.07); }
}

.vgrid {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to right,
    rgba(56, 189, 248, 0.08) 0,
    rgba(56, 189, 248, 0.08) 1px,
    transparent 1px,
    transparent 5.5rem
  );
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.35) 70%, transparent);
}

.top,
.rail,
main,
.foot {
  position: relative;
  z-index: 2;
}

/* Left rail */

.rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 8;
  width: var(--rail);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  padding: 5.5rem 0 1.75rem;
  border-right: 1px solid var(--line);
}

.rail__label {
  margin: 0 0 0.35rem;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
}

.rail a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.35rem;
  border-radius: 999px;
}

.rail a:hover,
.rail a:focus-visible {
  color: var(--ink);
  background: rgba(56, 189, 248, 0.12);
}

/* Header / nav */

.top {
  position: sticky;
  top: 0;
  z-index: 9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header);
  padding: 1rem var(--pad) 1rem calc(var(--rail) + var(--pad));
  pointer-events: none;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--bg) 82%, transparent), color-mix(in srgb, var(--bg) 20%, transparent));
}

.top > * {
  pointer-events: auto;
}

.mark {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
  color: var(--ink);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.15rem 1.35rem;
  margin-left: auto;
}

.nav a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

.nav a:hover,
.nav a.is-active {
  color: var(--ink-soft);
}

.arr {
  display: inline-block;
  font-size: 0.72em;
  transform: translateY(-0.12em);
  opacity: 0.7;
}

.nav a:hover .arr {
  opacity: 1;
}

/* Layout shell */

main {
  padding-left: var(--rail);
}

.hero,
.section,
.band,
.foot {
  width: min(100%, calc(var(--max) + var(--rail)));
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: end;
  min-height: calc(100svh - var(--header));
  padding-top: 0.5rem;
  padding-bottom: clamp(3rem, 8vh, 5rem);
}

.kicker {
  margin: 0 0 1.1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}

h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(2.6rem, 9.2vw, 5.6rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-transform: none;
  color: var(--ink);
}

.name-line {
  display: block;
}

.brace {
  color: var(--cyan);
  font-weight: 500;
}

.kicker,
.mark,
.nav a,
.rail__label,
.section__kicker,
.card__n,
.contact__k,
.foot {
  font-family: var(--mono);
}

.lede {
  max-width: 38rem;
  margin: 1.6rem 0 0;
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink-soft);
}

.hero__visual {
  position: relative;
  justify-self: end;
  width: min(100%, 26rem);
}

.panel {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 1.75rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 28% 26%, rgba(185, 164, 245, 0.95), transparent 42%),
    radial-gradient(circle at 82% 22%, rgba(142, 192, 248, 0.9), transparent 40%),
    radial-gradient(circle at 70% 78%, rgba(243, 176, 122, 0.92), transparent 46%),
    radial-gradient(circle at 22% 80%, rgba(240, 163, 199, 0.85), transparent 42%),
    #e7e0ff;
  box-shadow: 0 24px 60px rgba(8, 40, 90, 0.45);
  border: 1px solid rgba(56, 189, 248, 0.28);
}


.panel__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 12%;
}

.panel__ring {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
}

.panel__ring--a { inset: 14%; }
.panel__ring--b { inset: 27%; }

.panel__mm {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(4.5rem, 14vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 8px 28px rgba(60, 40, 100, 0.18);
}

.orb {
  position: relative;
  display: grid;
  place-items: center;
  width: 8.25rem;
  height: 8.25rem;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  color: var(--ink);
  text-decoration: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero .orb {
  position: absolute;
  left: -1.4rem;
  bottom: -1.1rem;
}

.orb__slash {
  position: absolute;
  width: 118%;
  height: 1.5px;
  background: currentColor;
  transform: rotate(-38deg);
  pointer-events: none;
}

.orb__label {
  position: relative;
  z-index: 1;
  padding: 0 0.35rem;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.orb:hover {
  background: var(--ink);
  color: var(--bg);
}

.orb:hover .orb__label {
  background: transparent;
}

.orb:focus-visible {
  outline-offset: 4px;
}

/* Sections */

.section {
  padding-top: clamp(4.5rem, 10vh, 7rem);
  padding-bottom: clamp(3.5rem, 8vh, 5.5rem);
  scroll-margin-top: 5rem;
}

.section__head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 2.25rem;
  max-width: 40rem;
}

.section__kicker {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}

.section__head h2,
.band h2,
.lost h1 {
  margin: 0;
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

/* Cards */

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.5rem 1.45rem 1.6rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card__n {
  display: block;
  margin-bottom: 1.1rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--mute);
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* Venture rows */

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.row {
  display: grid;
  gap: 0.4rem;
  padding: 1.55rem 0;
  border-bottom: 1px solid var(--line-strong);
}

.row h3, .about__path, .band h2 { font-family: var(--mono); }
.row h3 {
  margin: 0;
  font-size: clamp(1.7rem, 4.4vw, 3.15rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.row h3 a {
  text-decoration: none;
}

.row h3 a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.row p {
  margin: 0;
  color: var(--mute);
  font-size: 0.95rem;
  max-width: 36ch;
}

/* Blog list */

.blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.blog-list:empty {
  border-top: 0;
}

.post {
  display: grid;
  gap: 0.4rem;
  padding: 1.55rem 0;
  border-bottom: 1px solid var(--line-strong);
}

.post__date {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}

.post h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.35rem, 3.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.post h3 a {
  text-decoration: none;
}

.post h3 a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.post__excerpt {
  margin: 0;
  color: var(--mute);
  font-size: 0.95rem;
  max-width: 42ch;
}

.blog-empty {
  margin: 0;
  color: var(--mute);
  font-size: 1rem;
  max-width: 36ch;
}

.blog-list:not(:empty) + .blog-empty {
  display: none;
}

/* About */

.about {
  max-width: 40rem;
}

.about__path {
  margin: 0 0 1rem;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.about p + p {
  margin: 0;
  color: var(--ink-soft);
}

/* Contact */

.contact {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact li {
  display: grid;
  gap: 0.3rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.contact li:last-child {
  border-bottom: 1px solid var(--line);
}

.contact__k {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.contact a {
  font-size: clamp(1.15rem, 2.5vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.contact a:hover {
  text-decoration: underline;
}

/* Closing band */

.band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  padding-top: clamp(3rem, 8vh, 5rem);
  padding-bottom: clamp(3.5rem, 9vh, 6rem);
  border-top: 1px solid var(--line-strong);
}

.band h2 {
  font-size: clamp(2.2rem, 6.5vw, 4.6rem);
  max-width: 12ch;
}

.orb--band {
  flex: 0 0 auto;
}

/* Footer */

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1.25rem;
  padding-bottom: 1.75rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--mute);
}

.foot p {
  margin: 0;
}

.foot a {
  text-decoration: none;
}

.foot__links {
  display: flex;
  gap: 0.55rem;
}

/* Motion */

.js .reveal {
  opacity: 0;
  transform: translateY(0.9rem);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

h1 .reveal:nth-child(1) { transition-delay: 0.06s; }
h1 .reveal:nth-child(2) { transition-delay: 0.16s; }
.lede.reveal { transition-delay: 0.28s; }
.hero__visual.reveal { transition-delay: 0.2s; }
.cards .reveal:nth-child(2) { transition-delay: 0.08s; }
.cards .reveal:nth-child(3) { transition-delay: 0.16s; }
.rows .reveal:nth-child(2) { transition-delay: 0.05s; }
.rows .reveal:nth-child(3) { transition-delay: 0.1s; }
.rows .reveal:nth-child(4) { transition-delay: 0.15s; }
.rows .reveal:nth-child(5) { transition-delay: 0.2s; }
.contact .reveal:nth-child(2) { transition-delay: 0.08s; }
.contact .reveal:nth-child(3) { transition-delay: 0.16s; }

/* Wider */

@media (min-width: 860px) {
  .hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.72fr);
    gap: 3rem;
    align-items: center;
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
  }

  .row {
    grid-template-columns: 1fr minmax(14rem, 28ch);
    align-items: baseline;
    gap: 1.5rem 2rem;
    padding: 1.85rem 0;
  }

  .row p {
    text-align: right;
    justify-self: end;
  }

  .post {
    grid-template-columns: 8.5rem 1fr;
    align-items: baseline;
    gap: 0.35rem 2rem;
    padding: 1.85rem 0;
  }

  .post__date {
    grid-row: 1 / span 2;
  }

  .post h3,
  .post__excerpt {
    grid-column: 2;
  }

  .contact li {
    grid-template-columns: 7.5rem 1fr;
    align-items: baseline;
    gap: 1.25rem;
  }
}

@media (min-width: 1100px) {
  .hero__visual {
    width: 28rem;
  }
}

/* Mobile: hide left rail */

@media (max-width: 719px) {
  :root {
    --rail: 0px;
  }

  .rail {
    display: none;
  }

  .top {
    padding-left: var(--pad);
  }

  main {
    padding-left: 0;
  }

  h1 {
    font-size: clamp(3.4rem, 18vw, 5.6rem);
  }

  .hero .orb {
    left: auto;
    right: 0.6rem;
    bottom: -1.35rem;
  }

  .panel {
    aspect-ratio: 5 / 4;
    max-height: 18rem;
  }

  .foot__links a:first-child {
    margin-left: 0;
  }

  .nav {
    gap: 0.1rem 0.9rem;
  }

  .nav a {
    font-size: 0.78rem;
  }
}

@media (pointer: coarse) {
  .nav a,
  .contact a,
  .rail a {
    padding: 0.35rem 0.1rem;
  }

  .rail a {
    padding: 0.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .blob {
    animation: none;
  }

  .reveal,
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 404 */

.lost {
  min-height: calc(100svh - var(--header) - 6rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem var(--pad) 5rem;
  width: min(100%, 42rem);
}

.lost .section__kicker {
  margin-bottom: 0.75rem;
}

.lost h1 {
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  text-transform: none;
  letter-spacing: -0.045em;
}

.lost p {
  margin: 1rem 0 1.75rem;
  color: var(--ink-soft);
  max-width: 32ch;
}

.lost .orb {
  margin-top: 0.5rem;
}