:root {
  --project-bg: #09090b;
  --project-surface: #141418;
  --project-surface-soft: #18181e;
  --project-border: #2a2a33;
  --project-text: #f1f1f4;
  --project-muted: #b8b8c2;
  --project-subtle: #858590;
  --project-accent: #8b8bff;
  --project-accent-soft: rgba(139, 139, 255, 0.11);
  --project-green: #77d2a4;
  --project-orange: #e6ac73;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 0%, rgba(100, 100, 220, 0.16), transparent 31rem),
    radial-gradient(circle at 10% 38%, rgba(89, 173, 145, 0.05), transparent 26rem),
    var(--project-bg);
  color: var(--project-text);
}

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

.header .container {
  gap: 22px;
  max-width: 1120px;
  min-height: 72px;
  padding: 14px 24px;
}

.logo {
  flex: none;
  margin: 0;
  font-size: 1.05rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-left: auto;
}

.nav a {
  margin-left: 0;
  font-size: 0.86rem;
  white-space: nowrap;
}

.lang-btn {
  flex: none;
  margin-left: 0;
}

.project-hero {
  padding: 108px 0 78px;
}

.project-hero .hero-content {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 70px;
}

.project-badge,
.section-kicker {
  color: var(--project-accent);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.project-badge {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid rgba(230, 172, 115, 0.35);
  border-radius: 999px;
  background: rgba(230, 172, 115, 0.08);
  color: #efbd8c;
}

.project-badge.status-evolution {
  border-color: rgba(119, 210, 164, 0.35);
  background: rgba(119, 210, 164, 0.08);
  color: #a8e2c5;
}

.project-hero .hero-text h1 {
  margin-top: 15px;
  font-size: clamp(3.2rem, 7vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.project-hero .hero-text h2 {
  margin-top: 20px;
  color: #d8d8ff;
  font-size: clamp(1.1rem, 2.3vw, 1.45rem);
  font-weight: 650;
  line-height: 1.4;
}

.project-hero .hero-text > p:not(.project-badge) {
  max-width: 650px;
  margin-top: 18px;
  color: var(--project-muted);
}

.project-visual {
  display: grid;
  width: 300px;
  min-height: 320px;
  align-content: center;
  gap: 20px;
  padding: 28px;
  border: 2px solid rgba(139, 139, 255, 0.65);
  border-radius: 26px;
  background:
    linear-gradient(rgba(139, 139, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 139, 255, 0.04) 1px, transparent 1px),
    linear-gradient(155deg, #17171d, #101014);
  background-size: 22px 22px, 22px 22px, auto;
  box-shadow: 0 0 60px rgba(124, 124, 255, 0.24);
}

.visual-core {
  display: grid;
  width: 104px;
  height: 70px;
  margin-inline: auto;
  place-items: center;
  border: 1px solid rgba(139, 139, 255, 0.58);
  border-radius: 15px;
  background: rgba(139, 139, 255, 0.1);
  color: #dfdfff;
  font-size: 0.84rem;
  font-weight: 850;
  letter-spacing: 0.07em;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.visual-grid span {
  display: grid;
  min-height: 42px;
  place-items: center;
  padding: 8px;
  border: 1px solid var(--project-border);
  border-radius: 10px;
  background: rgba(10, 10, 13, 0.72);
  color: #bdbdc8;
  font-size: 0.7rem;
  line-height: 1.25;
  text-align: center;
}

.section {
  padding: 84px 24px;
  scroll-margin-top: 80px;
}

.section-header {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-header h2 {
  margin-top: 7px;
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.section-description {
  margin-top: 11px;
  color: var(--project-subtle);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.overview-card,
.detail-card {
  padding: 27px;
  border: 1px solid var(--project-border);
  border-radius: 18px;
  background: linear-gradient(155deg, var(--project-surface-soft), var(--project-surface));
}

.overview-card {
  min-height: 220px;
}

.overview-card:first-child {
  border-top: 2px solid rgba(230, 172, 115, 0.66);
}

.overview-card:last-child {
  border-top: 2px solid rgba(119, 210, 164, 0.66);
}

.overview-card h3,
.detail-card h3 {
  margin-bottom: 10px;
  color: #d7d7ff;
  font-size: 1.04rem;
}

.overview-card p,
.detail-card p {
  color: var(--project-muted);
  font-size: 0.9rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.detail-card {
  position: relative;
  min-height: 210px;
  transition: border-color 200ms ease, transform 200ms ease;
}

.detail-card:hover {
  border-color: rgba(139, 139, 255, 0.5);
  transform: translateY(-3px);
}

.detail-number {
  display: block;
  margin-bottom: 17px;
  color: var(--project-accent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.architecture-note {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 0.65fr);
  gap: 24px;
  margin-top: 20px;
  padding: 21px 23px;
  border: 1px solid rgba(139, 139, 255, 0.36);
  border-radius: 14px;
  background: var(--project-accent-soft);
}

.architecture-note strong {
  color: #ddddff;
  font-size: 0.9rem;
}

.architecture-note p {
  color: var(--project-muted);
  font-size: 0.84rem;
}

.stack-card {
  border-color: var(--project-border);
  background: linear-gradient(155deg, var(--project-surface-soft), var(--project-surface));
}

.stack-card h3 {
  margin-bottom: 12px;
  color: #d2d2ff;
  font-size: 1rem;
}

.status-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 40px;
  padding: 34px;
  border: 1px solid rgba(230, 172, 115, 0.36);
  border-radius: 20px;
  background:
    radial-gradient(circle at 100% 0%, rgba(230, 172, 115, 0.1), transparent 18rem),
    linear-gradient(155deg, #18171a, #121216);
}

.status-panel.status-continuous {
  border-color: rgba(119, 210, 164, 0.38);
  background:
    radial-gradient(circle at 100% 0%, rgba(119, 210, 164, 0.11), transparent 18rem),
    linear-gradient(155deg, #17191a, #121216);
}

.status-panel h2 {
  margin-top: 7px;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.status-panel > div > p:last-child {
  margin-top: 12px;
  color: var(--project-muted);
  font-size: 0.9rem;
}

.status-facts {
  display: grid;
  align-content: start;
  gap: 10px;
  list-style: none;
}

.status-facts li {
  position: relative;
  padding: 12px 14px 12px 36px;
  border: 1px solid var(--project-border);
  border-radius: 10px;
  background: rgba(8, 8, 11, 0.35);
  color: #c9c9d1;
  font-size: 0.82rem;
}

.status-facts li::before {
  position: absolute;
  left: 14px;
  color: var(--project-accent);
  content: "•";
}

@media (max-width: 1024px) {
  .header .container {
    flex-wrap: wrap;
    gap: 12px 20px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .project-hero .hero-content {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 42px;
    text-align: left;
  }

  .project-hero .hero-text p {
    margin-left: 0;
    margin-right: 0;
  }

  .project-hero .hero-buttons {
    justify-content: flex-start;
  }

  .project-visual {
    width: 260px;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 62px 18px;
    scroll-margin-top: 112px;
  }

  .project-hero {
    padding: 72px 0 52px;
  }

  .project-hero .hero-content,
  .overview-grid,
  .detail-grid,
  .architecture-note,
  .status-panel {
    grid-template-columns: 1fr;
  }

  .project-hero .hero-content {
    gap: 46px;
  }

  .project-hero .hero-text h1 {
    font-size: 3rem;
  }

  .project-hero .hero-text h2 {
    font-size: 1.08rem;
  }

  .project-hero .hero-buttons {
    flex-direction: column;
  }

  .project-hero .hero-image {
    display: flex;
    justify-content: flex-start;
  }

  .project-visual {
    width: min(100%, 300px);
  }

  .status-panel {
    gap: 28px;
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .header .container {
    padding-inline: 18px;
  }

  .project-hero .hero-text h1 {
    font-size: 2.55rem;
  }

  .overview-card,
  .detail-card {
    padding: 21px;
  }
}

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