:root {
  color-scheme: dark;
  --bg: #05070d;
  --bg-soft: #070b14;
  --card: rgba(11, 16, 32, 0.78);
  --card-strong: rgba(16, 24, 39, 0.9);
  --text: #f5f7fa;
  --muted: #8b9bb4;
  --accent: #38bdf8;
  --accent-strong: #1f8bff;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --container: min(1120px, calc(100% - 40px));
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 8%, rgba(31, 139, 255, 0.16), transparent 30rem),
    radial-gradient(circle at 80% 10%, rgba(56, 189, 248, 0.12), transparent 28rem),
    linear-gradient(180deg, var(--bg), var(--bg-soft) 52%, #05070d);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.glow {
  position: absolute;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.22;
  animation: drift 16s ease-in-out infinite alternate;
}

.glow-one {
  top: 10%;
  left: -10rem;
  background: var(--accent-strong);
}

.glow-two {
  right: -12rem;
  bottom: 8%;
  background: #67e8f9;
  animation-delay: -5s;
}

.circuit-grid {
  position: absolute;
  inset: -2px;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, transparent 0 46px, rgba(56, 189, 248, 0.16) 47px 48px, transparent 49px 100%);
  background-size: 54px 54px, 54px 54px, 220px 220px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
  animation: gridShift 24s linear infinite;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(5, 7, 13, 0.76);
}

.navbar {
  width: var(--container);
  min-height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  display: block;
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 9px 13px;
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  border-color: rgba(56, 189, 248, 0.24);
  background: rgba(56, 189, 248, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 24, 39, 0.72);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 99px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 104px 0;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.76fr);
  align-items: center;
  gap: 56px;
  padding-top: 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(4.7rem, 14vw, 9.5rem);
  line-height: 0.82;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.25;
}

.tagline {
  margin: 24px 0 0;
  color: var(--accent);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  font-weight: 650;
}

.hero-text {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  padding: 12px 18px;
  background: rgba(16, 24, 39, 0.72);
  color: var(--text);
  font-weight: 750;
  box-shadow: 0 0 0 rgba(56, 189, 248, 0);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 14px 34px rgba(31, 139, 255, 0.18);
}

.button.primary {
  border-color: rgba(56, 189, 248, 0.62);
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #03111f;
}

.button.ghost {
  background: transparent;
}

.signal-panel,
.project-card,
.feature-block,
.note-card,
.blog-section,
.about-section,
.contact-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.signal-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 34px);
}

.signal-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.18), transparent 38%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 14px);
  opacity: 0.85;
  pointer-events: none;
}

.panel-header,
.terminal-lines,
.chip-cloud {
  position: relative;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.terminal-lines {
  display: grid;
  gap: 12px;
  margin: 44px 0;
  color: #c8d6e8;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.82rem, 1.7vw, 0.98rem);
}

.terminal-lines span {
  display: block;
  border-left: 2px solid rgba(56, 189, 248, 0.6);
  padding-left: 12px;
}

.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-cloud span,
.status,
.note-card span {
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(56, 189, 248, 0.08);
  color: #bdefff;
  font-size: 0.78rem;
  font-weight: 700;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.section-heading.compact {
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.project-card,
.feature-block,
.note-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.project-card::after,
.feature-block::after,
.note-card::after {
  content: "";
  position: absolute;
  inset: auto 18px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.7), transparent);
  opacity: 0;
  transition: opacity 180ms ease;
}

.project-card:hover,
.feature-block:hover,
.note-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 189, 248, 0.34);
  background: var(--card-strong);
  box-shadow: 0 20px 60px rgba(31, 139, 255, 0.14);
}

.project-card:hover::after,
.feature-block:hover::after,
.note-card:hover::after {
  opacity: 1;
}

.icon-box {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  place-items: center;
  border: 1px solid rgba(56, 189, 248, 0.32);
  border-radius: var(--radius);
  background: rgba(56, 189, 248, 0.08);
  color: var(--accent);
  font-weight: 800;
}

.status {
  position: absolute;
  top: 22px;
  right: 18px;
}

.project-card h3 {
  margin-top: 8px;
}

.project-card p,
.feature-block p,
.note-card p,
.about-copy p,
.fine-print {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-block {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.feature-kicker {
  color: rgba(56, 189, 248, 0.42);
  font-size: 3.8rem;
  font-weight: 850;
  line-height: 1;
}

.notes-list {
  display: grid;
  gap: 12px;
}

.note-card {
  display: grid;
  grid-template-columns: 120px 110px minmax(160px, 0.65fr) 1fr;
  align-items: center;
  gap: 16px;
}

.note-card time {
  color: var(--muted);
  font-size: 0.9rem;
}

.note-card p {
  margin: 0;
}

.blog-section,
.about-section,
.contact-section {
  padding: clamp(28px, 5vw, 48px);
}

.blog-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.about-section {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 36px;
}

.about-copy p {
  margin: 0 0 18px;
  font-size: 1.04rem;
}

.contact-section .section-heading {
  margin-bottom: 4px;
}

.fine-print {
  margin: 20px 0 0;
  font-size: 0.94rem;
}

code {
  color: #c8efff;
}

.site-footer {
  width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding: 26px 0 38px;
  color: var(--muted);
}

.site-footer span:first-child {
  color: var(--text);
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(5rem, -2rem, 0) scale(1.08);
  }
}

@keyframes gridShift {
  from {
    background-position: 0 0, 0 0, 0 0;
  }
  to {
    background-position: 54px 54px, 54px 54px, 220px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 980px) {
  .hero,
  .about-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .card-grid,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .note-card {
    grid-template-columns: 120px 100px 1fr;
  }

  .note-card p {
    grid-column: 3;
  }

  .blog-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100% - 28px, 1120px);
    --header-height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 14px;
    right: 14px;
    display: grid;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px;
    background: rgba(5, 7, 13, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }

  .nav-link {
    border-radius: var(--radius);
    padding: 12px;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    gap: 34px;
    padding-top: 48px;
  }

  .hero-actions,
  .link-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .card-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .note-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .note-card p {
    grid-column: auto;
  }

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

@media (max-width: 420px) {
  .status {
    position: static;
    display: inline-flex;
    width: max-content;
    margin-bottom: 14px;
  }

  .project-card h3 {
    margin-top: 0;
  }
}