:root {
  color-scheme: dark;
  --bg: #050505;
  --panel: #0b0b0b;
  --panel-raised: #101010;
  --text: #f7f7f2;
  --text-muted: rgba(247, 247, 242, 0.64);
  --text-soft: rgba(247, 247, 242, 0.42);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --accent: #ff6b45;
  --accent-soft: rgba(255, 107, 69, 0.1);
  --max-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

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

::selection {
  background: rgba(255, 107, 69, 0.92);
  color: #ffffff;
}

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

img {
  max-width: 100%;
}

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

.container {
  width: min(100% - 48px, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 5, 0.76);
  backdrop-filter: blur(22px);
  animation: header-in 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

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

.brand-logo {
  display: inline-block;
  width: 180px;
  flex: 0 0 180px;
}

.brand-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.brand-name {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

.main-nav a,
.text-link {
  transition: color 180ms ease;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.main-nav a:hover,
.text-link:hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-light {
  background: var(--text);
  color: #050505;
}

.button-light:hover {
  background: #ffffff;
}

.button-outline {
  border-color: var(--line-strong);
  color: rgba(255, 255, 255, 0.84);
}

.button-outline:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.hero {
  display: flex;
  min-height: calc(100vh - 84px);
  align-items: center;
  padding-top: 104px;
  padding-bottom: 88px;
}

.hero-content {
  width: 100%;
  max-width: 1080px;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 1050px;
  margin-bottom: 0;
  font-size: clamp(52px, 7.4vw, 94px);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.hero-copy {
  max-width: 700px;
  margin: 34px 0 0;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.75;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-facts {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.3fr;
  gap: 0;
  max-width: 920px;
  margin-top: 72px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-fact {
  display: grid;
  gap: 8px;
  padding: 25px 28px 25px 0;
}

.hero-fact + .hero-fact {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.hero-fact strong {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.hero .eyebrow,
.hero h1,
.hero-copy,
.hero .action-row,
.hero-facts {
  animation: intro-rise 780ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero h1 {
  animation-delay: 70ms;
}

.hero-copy {
  animation-delay: 140ms;
}

.hero .action-row {
  animation-delay: 210ms;
}

.hero-facts {
  animation-delay: 280ms;
}

.hero-fact span {
  color: var(--text-soft);
  font-size: 13px;
}

.section {
  padding-top: 104px;
  padding-bottom: 104px;
  border-top: 1px solid var(--line);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 58px;
}

.section h2 {
  max-width: 720px;
  margin-bottom: 0;
  font-size: clamp(38px, 4vw, 54px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.section-actions {
  display: grid;
  justify-items: end;
  gap: 18px;
}

.section-intro {
  max-width: 470px;
  margin-bottom: 0;
  color: var(--text-muted);
  line-height: 1.65;
  text-align: right;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
}

.text-link span,
.project-meta span {
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.text-link:hover span,
.project-card:hover .project-meta span {
  transform: translate(3px, -3px);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.project-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
  transition:
    transform 240ms ease,
    border-color 240ms ease,
    background-color 240ms ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.28);
  background: var(--panel-raised);
}

.project-link {
  display: block;
  height: 100%;
}

.project-visual {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #111111;
}

.project-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.88) contrast(1.02);
  transition: transform 500ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card:hover .project-image {
  transform: scale(1.025);
  filter: saturate(1) contrast(1);
}

.project-content {
  padding: 26px 28px 30px;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  color: var(--text-soft);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-meta p {
  margin-bottom: 0;
}

.project-meta span {
  color: var(--accent);
  font-size: 18px;
}

.project-content h3 {
  margin-bottom: 13px;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.project-content > p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.github-heading {
  align-items: flex-start;
}

.github-overview {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 24px;
}

.github-copy {
  display: grid;
  gap: 24px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-card,
.stack-panel,
.language-chart {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
}

.metric-card {
  display: grid;
  align-content: space-between;
  min-height: 162px;
  padding: 22px;
}

.metric-card strong {
  font-size: clamp(38px, 4vw, 54px);
  font-weight: 600;
  letter-spacing: -0.06em;
}

.metric-card span {
  max-width: 120px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.accent-card {
  border-color: var(--line);
  border-top: 2px solid var(--accent);
  color: var(--text);
}

.accent-card span {
  color: var(--text-muted);
}

.stack-panel {
  padding: 28px;
  scroll-margin-top: 120px;
}

.panel-label {
  margin-bottom: 22px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack-list span {
  padding: 8px 2px 7px;
  border-bottom: 1px solid var(--line-strong);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.language-chart {
  display: grid;
  align-content: start;
  gap: 30px;
  margin: 0;
  padding: 32px;
}

.language-chart figcaption {
  display: grid;
  gap: 6px;
}

.language-chart figcaption span {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.language-chart figcaption small,
.chart-note {
  color: var(--text-soft);
  font-size: 12px;
}

.chart-bars {
  display: grid;
  gap: 19px;
}

.chart-row {
  display: grid;
  gap: 9px;
}

.chart-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-muted);
  font-size: 13px;
}

.chart-label strong {
  color: var(--text);
  font-weight: 600;
}

.chart-project-link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: inherit;
  transition: color 180ms ease;
}

.chart-project-link small {
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chart-project-link:hover,
.chart-project-link:focus-visible {
  color: var(--text);
}

.chart-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.chart-track span {
  display: block;
  width: var(--bar-size);
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transform-origin: left;
  transition: transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.chart-row:nth-child(even) .chart-track span {
  background: rgba(255, 255, 255, 0.72);
}

.chart-note {
  max-width: 510px;
  margin: 0;
  line-height: 1.65;
}

.services-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 72px;
}

.service-list {
  display: grid;
  gap: 22px;
}

.service-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.service-item span:first-child {
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

.service-item span:last-child {
  color: var(--text-soft);
  font-size: 13px;
}

.contact {
  padding-top: 128px;
  padding-bottom: 128px;
}

.contact-content {
  max-width: 940px;
}

.contact h2 {
  font-size: clamp(46px, 6vw, 74px);
  line-height: 1;
}

@keyframes header-in {
  from {
    opacity: 0;
    transform: translateY(-14px);
  }

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

@keyframes intro-rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

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

.has-motion .reveal-item {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 720ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms),
    transform 720ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms);
}

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

.has-motion .language-chart.reveal-item:not(.is-visible) .chart-track span {
  transform: scaleX(0);
}

.has-motion .language-chart.reveal-item.is-visible .chart-track span {
  transform: scaleX(1);
  transition-delay: calc(var(--reveal-delay, 0ms) + 180ms);
}

.whatsapp-float {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 70;
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.42);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
  animation: whatsapp-in 620ms 450ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.whatsapp-float img {
  display: block;
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover {
  background: #20bd5a;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
  transform: translateY(-3px);
}

.whatsapp-float:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

@keyframes whatsapp-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.88);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1040px) {
  .main-nav {
    display: none;
  }

  .github-overview,
  .services-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 820px) {
  .section-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-actions {
    justify-items: start;
  }

  .section-intro {
    max-width: 620px;
    text-align: left;
  }

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

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-fact,
  .hero-fact + .hero-fact {
    padding: 22px 0;
    border-left: 0;
  }

  .hero-fact + .hero-fact {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 32px, var(--max-width));
  }

  .header-inner {
    min-height: 84px;
  }

  .whatsapp-float {
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
    width: 52px;
    height: 52px;
  }

  .brand-logo {
    width: 145px;
    flex-basis: 145px;
  }

  .header-button {
    min-height: 40px;
    padding: 10px 16px;
    font-size: 12px;
  }

  .hero {
    padding-top: 78px;
    padding-bottom: 72px;
  }

  h1 {
    font-size: clamp(44px, 13vw, 58px);
    line-height: 1.02;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-facts {
    margin-top: 54px;
  }

  .section,
  .contact {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .section h2,
  .contact h2 {
    font-size: 38px;
  }

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

  .metric-card {
    min-height: 128px;
  }

  .project-card,
  .metric-card,
  .stack-panel,
  .language-chart {
    border-radius: 2px;
  }

  .project-content,
  .stack-panel,
  .language-chart {
    padding: 22px;
  }

  .project-content h3 {
    font-size: 22px;
  }

  .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    opacity: 1 !important;
    scroll-behavior: auto !important;
    transform: none !important;
    transition-duration: 0.01ms !important;
  }
}