:root {
  --bg: #111413;
  --bg-deep: #0c0f0e;
  --bg-soft: #171b19;
  --surface: rgba(25, 29, 27, 0.94);
  --surface-strong: #202724;
  --surface-soft: rgba(255, 255, 255, 0.045);
  --line: rgba(177, 188, 180, 0.18);
  --text: #f1f4ef;
  --muted: #a8b4ac;
  --muted-strong: #c6d0c9;
  --brand: #64cda3;
  --brand-deep: #44ae83;
  --accent: #e5b75a;
  --accent-soft: rgba(229, 183, 90, 0.12);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 4%, rgba(100, 205, 163, 0.16), transparent 31rem),
    radial-gradient(circle at 10% 14%, rgba(229, 183, 90, 0.11), transparent 26rem),
    linear-gradient(180deg, #131715 0%, #101312 48%, #0c0f0e 100%);
  color: var(--text);
  font-family: "IBM Plex Sans", "Avenir Next", "Helvetica Neue", sans-serif;
  line-height: 1.62;
}

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

a:hover {
  color: #ffffff;
}

p {
  margin: 0;
}

.shell {
  width: min(1180px, calc(100vw - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(177, 188, 180, 0.12);
  background: rgba(12, 15, 14, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: max-content;
}

.core-logo {
  position: relative;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(100, 205, 163, 0.14), transparent 64%);
}

.core-logo .core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.42rem;
  height: 0.42rem;
  margin: -0.21rem 0 0 -0.21rem;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 18px rgba(100, 205, 163, 0.55);
}

.core-logo .core:nth-child(1) { transform: translate(-50%, -145%); }
.core-logo .core:nth-child(2) { transform: rotate(36deg) translate(0, -145%) rotate(-36deg); }
.core-logo .core:nth-child(3) { transform: rotate(72deg) translate(0, -145%) rotate(-72deg); }
.core-logo .core:nth-child(4) { transform: rotate(108deg) translate(0, -145%) rotate(-108deg); }
.core-logo .core:nth-child(5) { transform: rotate(144deg) translate(0, -145%) rotate(-144deg); }
.core-logo .core:nth-child(6) { transform: rotate(180deg) translate(0, -145%) rotate(-180deg); }
.core-logo .core:nth-child(7) { transform: rotate(216deg) translate(0, -145%) rotate(-216deg); }
.core-logo .core:nth-child(8) { transform: rotate(252deg) translate(0, -145%) rotate(-252deg); }
.core-logo .core:nth-child(9) { transform: rotate(288deg) translate(0, -145%) rotate(-288deg); }
.core-logo .core:nth-child(10) { transform: rotate(324deg) translate(0, -145%) rotate(-324deg); }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-mark {
  font-size: 1.08rem;
  font-weight: 760;
  letter-spacing: 0.02em;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  color: var(--muted-strong);
  font-size: 0.95rem;
}

.nav-links a {
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav-pill {
  border: 1px solid rgba(100, 205, 163, 0.28);
  border-radius: 999px;
  color: var(--brand);
  padding: 0.45rem 0.8rem;
}

.page {
  padding: 0.6rem 0 2.4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 3.4rem;
  align-items: start;
  min-height: auto;
  padding: 2rem 0 2.2rem;
}

.hero > div:first-child {
  padding-top: 2.4rem;
}

.eyebrow,
.badge,
.small-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 800;
}

.eyebrow {
  color: var(--brand);
  margin-bottom: 0.9rem;
}

.badge {
  border: 1px solid rgba(100, 205, 163, 0.25);
  border-radius: 999px;
  background: rgba(100, 205, 163, 0.1);
  color: var(--brand);
  padding: 0.32rem 0.62rem;
}

.badge-accent {
  border-color: rgba(229, 183, 90, 0.32);
  background: var(--accent-soft);
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.2rem, 4.7vw, 4.1rem);
  max-width: 14.5ch;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: 1.25rem;
}

.lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.7;
  max-width: 58ch;
}

.hero .lead {
  margin-top: 1.1rem;
}

.hero-actions,
.footer-links,
.product-meta,
.metric-grid,
.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-actions {
  margin-top: 1.45rem;
}

.center-actions {
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  min-height: 2.85rem;
  padding: 0.74rem 1.1rem;
  font-weight: 760;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  color: #06110d;
  box-shadow: 0 14px 40px rgba(68, 174, 131, 0.26);
}

.button-primary:hover {
  color: #06110d;
}

.button-secondary {
  border-color: rgba(177, 188, 180, 0.2);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
}

.hero-card,
.panel,
.product-card,
.mini-panel,
.timeline-card,
.document-card,
.error-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(32, 39, 36, 0.94), rgba(20, 24, 22, 0.94));
  box-shadow: var(--shadow);
}

.hero-card {
  overflow: hidden;
}

.window-top {
  display: flex;
  gap: 0.45rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.window-top span {
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 50%;
  background: rgba(168, 180, 172, 0.36);
}

.window-body {
  padding: 1.2rem;
}

.portfolio-panel {
  min-height: 320px;
  border-radius: 16px;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 78% 22%, rgba(229, 183, 90, 0.16), transparent 16rem),
    rgba(12, 15, 14, 0.78);
  background-size: 34px 34px, 34px 34px, auto, auto;
  padding: 1rem;
  display: grid;
  gap: 0.72rem;
}

.portfolio-row {
  border: 1px solid rgba(100, 205, 163, 0.18);
  background: rgba(17, 20, 19, 0.88);
  border-radius: 14px;
}

.portfolio-row {
  display: grid;
  gap: 0.36rem;
  padding: 0.86rem;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.portfolio-row:hover {
  border-color: rgba(100, 205, 163, 0.42);
  background: rgba(20, 27, 24, 0.94);
  transform: translateY(-1px);
}

.portfolio-row.featured {
  border-color: rgba(100, 205, 163, 0.34);
}

.portfolio-row strong {
  font-size: 1.18rem;
}

.portfolio-row p,
.portfolio-row small,
.muted,
.document-card li,
.timeline-card p {
  color: var(--muted);
}

.portfolio-row p {
  max-width: 48ch;
}

.portfolio-row small {
  font-size: 0.82rem;
}

.section {
  padding: 2.4rem 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  max-width: 16ch;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card,
.panel,
.timeline-card,
.document-card {
  padding: 1.1rem;
}

.product-card.featured {
  border-color: rgba(100, 205, 163, 0.35);
}

.product-card p,
.panel p {
  color: var(--muted);
  margin-top: 0.75rem;
}

.product-meta {
  margin: 1.1rem 0;
}

.metric-grid {
  margin-top: 2rem;
}

.metric {
  min-width: 10rem;
  border-left: 2px solid var(--brand);
  padding-left: 0.8rem;
}

.metric strong {
  display: block;
  font-size: 1.1rem;
}

.metric span {
  color: var(--muted);
  font-size: 0.92rem;
}

.band {
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(circle at 92% 18%, rgba(100, 205, 163, 0.12), transparent 21rem),
    rgba(255, 255, 255, 0.03);
  padding: clamp(1.2rem, 3vw, 2rem);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.2rem;
  align-items: start;
}

.stack {
  display: grid;
  gap: 0.85rem;
}

.mini-panel {
  padding: 1rem;
  box-shadow: none;
}

.mini-panel span {
  display: block;
  color: var(--muted);
  margin-top: 0.3rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, 0.9fr);
  gap: 1.5rem;
  align-items: center;
}

.contact-list {
  display: grid;
  gap: 0.75rem;
}

.contact-list a {
  color: var(--brand);
}

.site-footer {
  border-top: 1px solid rgba(177, 188, 180, 0.12);
  padding: 1.6rem 0 2.3rem;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.footer-links {
  color: var(--muted);
}

.page-hero {
  padding: 3rem 0 2rem;
}

.page-hero h1 {
  max-width: 16ch;
}

.content-shell {
  max-width: 900px;
}

.document-card {
  margin: 1rem 0;
}

.document-card h2 {
  font-size: 1.45rem;
  margin-bottom: 0.7rem;
}

.document-card p + p {
  margin-top: 0.75rem;
}

.document-card ul {
  margin: 0.65rem 0 0;
  padding-left: 1.2rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-card {
  display: grid;
  gap: 0.55rem;
}

.timeline-card h2 {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  max-width: 22ch;
}

.timeline-meta {
  align-items: center;
}

.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.error-card {
  max-width: 620px;
  padding: 2rem;
  text-align: center;
}

.error-card .core-logo {
  margin: 0 auto 1.2rem;
}

.error-card h1 {
  max-width: none;
}

@media (max-width: 850px) {
  .nav,
  .footer-row,
  .section-heading,
  .contact-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split,
  .grid-2,
  .grid-3,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .nav {
    padding: 0.85rem 0;
  }

  .nav-links {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.2rem;
    scrollbar-width: none;
  }

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

  .portfolio-panel {
    min-height: auto;
  }
}