:root {
  --ink: #0e1f24;
  --ink-soft: #1c343b;
  --paper: #e9eef0;
  --mist: #c5d4d9;
  --glacier: #2f7f8f;
  --glacier-bright: #4aa3b5;
  --signal: #d97706;
  --font-display: "Syne", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --max: 72rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.55;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(74, 163, 181, 0.28), transparent 55%),
    radial-gradient(900px 500px at -10% 40%, rgba(217, 119, 6, 0.12), transparent 50%),
    linear-gradient(165deg, #dfe8eb 0%, var(--paper) 42%, #d3dde1 100%);
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem var(--space);
  mix-blend-mode: multiply;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2.5vw, 1.75rem);
}

.nav {
  display: flex;
  gap: 1.25rem;
}

.nav a {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 160ms ease;
}

.nav a:hover {
  opacity: 1;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid rgba(14, 31, 36, 0.28);
  background: rgba(255, 255, 255, 0.35);
}

.lang-btn {
  margin: 0;
  padding: 0.4rem 0.65rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 160ms ease, background 160ms ease, color 160ms ease;
}

.lang-btn:hover {
  opacity: 0.9;
}

.lang-btn.is-active {
  opacity: 1;
  background: var(--ink);
  color: var(--paper);
}

.lang-btn:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 2px;
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: calc(5.5rem + var(--space)) var(--space) var(--space);
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 35%, rgba(15, 40, 46, 0.08) 100%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 28px,
      rgba(14, 31, 36, 0.03) 28px,
      rgba(14, 31, 36, 0.03) 29px
    );
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-1.5%, 1%, 0) scale(1.03);
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 38rem;
  padding-bottom: 2rem;
}

.hero-meta {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0;
  transform: translateY(12px);
  animation: rise 700ms 120ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 11vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 800ms 220ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-lede {
  margin: 1.35rem 0 0;
  max-width: 28rem;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  color: var(--ink-soft);
  opacity: 0;
  transform: translateY(14px);
  animation: rise 750ms 360ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  opacity: 0;
  transform: translateY(12px);
  animation: rise 700ms 480ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  background: var(--ink-soft);
}

.btn-ghost {
  border-color: rgba(14, 31, 36, 0.35);
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.35);
}

.hero-visual {
  position: relative;
  z-index: 1;
  min-height: min(62vh, 34rem);
  align-self: stretch;
}

.hero-panel {
  position: absolute;
  inset: 8% 0 0;
  border-radius: 1.5rem 0 0 0;
  background:
    linear-gradient(145deg, rgba(47, 127, 143, 0.55), rgba(14, 31, 36, 0.92) 58%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cpath fill='none' stroke='rgba(233,238,240,0.12)' stroke-width='1' d='M0 40h160M0 80h160M0 120h160M40 0v160M80 0v160M120 0v160'/%3E%3C/svg%3E");
  background-size: cover, 72px 72px;
  box-shadow: -24px 24px 60px rgba(14, 31, 36, 0.18);
  animation: panelIn 1.1s 200ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto 12% 14% auto;
  width: min(42%, 11rem);
  height: min(38%, 10rem);
  border: 1px solid rgba(233, 238, 240, 0.35);
  background: linear-gradient(160deg, rgba(74, 163, 181, 0.35), transparent);
  animation: floatSoft 7s ease-in-out infinite;
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateX(8%) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes floatSoft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.section {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4.5rem, 10vw, 7.5rem) var(--space);
}

.section-head {
  max-width: 34rem;
  margin-bottom: 2.5rem;
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.section-lede,
.about-lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.2rem;
}

.project-blocks {
  display: grid;
  gap: clamp(3.5rem, 8vw, 5.5rem);
}

.project-block {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.project-block--flip {
  direction: rtl;
}

.project-block--flip > * {
  direction: ltr;
}

.project-media {
  margin: 0;
  overflow: hidden;
  border-radius: 0.35rem;
  background: var(--ink);
  box-shadow: 0 24px 50px rgba(14, 31, 36, 0.14);
}

.project-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-block:hover .project-media img {
  transform: scale(1.05);
}

.project-kicker {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--glacier);
}

.project-copy h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.project-copy p {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 36rem;
}

.project-points {
  margin: 1.1rem 0 1.4rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.project-points li {
  position: relative;
  padding-left: 1rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
}

.project-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--glacier);
}

.project-cta {
  display: inline-flex;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 2px solid var(--glacier);
  padding-bottom: 0.15rem;
  transition: color 160ms ease, border-color 160ms ease;
}

.project-cta:hover {
  color: var(--glacier);
  border-color: var(--signal);
}

.section-lede a {
  color: var(--glacier);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 127, 143, 0.45);
}

.section-lede a:hover {
  border-bottom-color: var(--signal);
}

.repo-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(14, 31, 36, 0.14);
}

.repo-list li a {
  display: grid;
  grid-template-columns: minmax(9rem, 0.9fr) minmax(0, 1.6fr) auto;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
  padding: 1.05rem 0;
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 31, 36, 0.14);
  transition: background 160ms ease, padding-left 160ms ease;
}

.repo-list li a:hover {
  padding-left: 0.35rem;
  background: linear-gradient(90deg, rgba(47, 127, 143, 0.08), transparent 55%);
}

.repo-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.repo-desc {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.repo-meta {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.75;
  white-space: nowrap;
}

.facts a {
  color: var(--glacier);
  text-decoration: none;
}

.facts a:hover {
  border-bottom: 1px solid var(--signal);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about p + p {
  margin-top: 1rem;
  color: var(--ink-soft);
}

.facts {
  margin: 0;
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid rgba(14, 31, 36, 0.12);
}

.facts dt {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.65;
}

.facts dd {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.contact .section-lede {
  max-width: 28rem;
  margin-bottom: 1.5rem;
}

.contact-mail {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  border-bottom: 2px solid var(--glacier);
  transition: color 160ms ease, border-color 160ms ease;
}

.contact-mail:hover {
  color: var(--glacier);
  border-color: var(--signal);
}

.contact-note {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
  opacity: 0.8;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--space) 2.5rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1), transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    padding-bottom: 0;
  }

  .hero-visual {
    min-height: 42vh;
    margin: 0 calc(-1 * var(--space));
  }

  .hero-panel {
    inset: 0;
    border-radius: 1.25rem 1.25rem 0 0;
  }

  .project-block,
  .project-block--flip {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .repo-list li a {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1.15rem 0;
  }

  .repo-meta {
    margin-top: 0.15rem;
  }
}

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

  .hero-meta,
  .hero-brand,
  .hero-lede,
  .hero-actions,
  .hero-panel,
  .hero-atmosphere,
  .hero-panel::after,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}