:root {
  --teal: #045c69;
  --teal-dark: #034a55;
  --teal-light: #076471;
  --teal-accent: #0a8a9a;
  --teal-muted: rgba(4, 92, 105, 0.08);
  --teal-mid: rgba(4, 92, 105, 0.15);
  --teal-border: rgba(4, 92, 105, 0.22);

  --developer: #007a5e;
  --developer-light: rgba(0, 122, 94, 0.08);
  --developer-mid: rgba(0, 122, 94, 0.15);

  --bg: #f5f7f7;
  --surface: #ffffff;
  --panel: #eef3f3;
  --panel-dark: #e2ecec;
  --border: #c5d8da;
  --border-light: #d8e6e8;

  --text: #1a2a3a;
  --text-soft: #2a3e55;
  --muted: #5a7880;
  --muted-light: #8aa8ae;
  --white: #ffffff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow: 0 4px 24px rgba(4, 92, 105, 0.08);
  --max-width: 1120px;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--teal-accent);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 247, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: inherit;
}

.logo-link:hover {
  color: inherit;
}

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.logo-name {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  line-height: 1.1;
}

.logo-tagline {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--teal);
}

.site-nav a.nav-active {
  color: var(--teal);
  font-weight: 600;
}

.nav-cta {
  background: var(--teal);
  color: var(--white) !important;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}

.nav-cta:hover {
  background: var(--teal-dark);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.55rem;
  cursor: pointer;
  color: var(--teal);
  font-size: 1.1rem;
}

/* ── Hero ── */
.hero {
  padding: 3.5rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  align-items: start;
}

.hero-badge {
  display: inline-block;
  background: var(--teal-muted);
  border: 1px solid var(--teal-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.75rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
}

.hero h1 span {
  color: var(--teal);
}

.hero-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-soft);
  font-weight: 300;
  max-width: 52ch;
}

.hero-lead strong {
  color: var(--text);
  font-weight: 600;
}

.os-badge {
  display: inline-block;
  background: var(--teal);
  color: var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-sm);
  vertical-align: middle;
  transition: background 0.15s ease;
}

.os-badge:hover {
  background: var(--teal-dark);
  color: var(--white);
}

.hero-apps {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.hero-apps-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.app-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--teal-accent);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
}

.app-item:last-child {
  margin-bottom: 0;
}

.app-icon {
  font-size: 1.2rem;
  line-height: 1;
  flex-shrink: 0;
}

.app-name {
  font-family: "Rajdhani", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.app-desc {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.45;
  margin-top: 0.15rem;
}

/* ── Section shared ── */
.section {
  padding: 2.5rem 0;
}

.section-header {
  margin-bottom: 1.75rem;
}

.section-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

/* ── Workflow ── */
.workflow {
  margin-bottom: 2.5rem;
}

.workflow:last-child {
  margin-bottom: 0;
}

.workflow-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.workflow-pill {
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
}

.pill-integrator {
  background: var(--teal-mid);
  color: var(--teal);
  border: 1px solid var(--teal-border);
}

.pill-developer {
  background: var(--developer-mid);
  color: var(--developer);
  border: 1px solid rgba(0, 122, 94, 0.25);
}

.workflow-line {
  flex: 1;
  height: 1px;
}

.line-integrator {
  background: linear-gradient(90deg, var(--teal-border), transparent);
}

.line-developer {
  background: linear-gradient(90deg, rgba(0, 122, 94, 0.3), transparent);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.feature-integrator::before,
.feature-developer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.feature-integrator::before {
  background: linear-gradient(90deg, var(--teal), var(--teal-accent));
}

.feature-developer::before {
  background: linear-gradient(90deg, var(--developer), #00b890);
}

.feature-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--panel-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.feature-body {
  padding: 1rem 1.1rem 1.25rem;
  flex: 1;
}

.feature h3 {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.45rem;
}

.h3-integrator {
  color: var(--teal);
}

.h3-developer {
  color: var(--developer);
}

.feature p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
  font-weight: 300;
}

.feature p strong {
  color: var(--text);
  font-weight: 600;
}

/* ── Capabilities ── */
.capabilities {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.caps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.cap-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.cap-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  margin-top: 0.45rem;
  flex-shrink: 0;
}

.cap-text {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--muted);
}

.cap-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

/* ── Install / opkg feed ── */
.install-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.install-intro {
  color: var(--text-soft);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  max-width: 70ch;
}

.install-intro code,
.install-step code,
.install-packages code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85em;
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

.feed-url-box {
  background: var(--teal-muted);
  border: 1px solid var(--teal-border);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
}

.feed-url-label {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.35rem;
}

.feed-url {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  color: var(--text);
  word-break: break-all;
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.install-step h3,
.install-packages h3 {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}

.install-step p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 0.6rem;
}

.install-note {
  font-size: 0.8rem !important;
  font-style: italic;
}

.install-step pre {
  background: var(--text);
  color: #e8f0f2;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  overflow-x: auto;
  margin-bottom: 0.6rem;
}

.install-step pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: inherit;
}

.install-packages {
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
}

.package-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.package-list li {
  font-size: 0.875rem;
  color: var(--muted);
  padding-left: 1rem;
  position: relative;
}

.package-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-accent);
}

.page-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 0.5rem;
}

.page-hero h1 {
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: var(--text-soft);
  font-weight: 300;
  max-width: 60ch;
  line-height: 1.65;
}

.page-hero code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85em;
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.explore-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.explore-card:hover {
  border-color: var(--teal-border);
  transform: translateY(-2px);
  color: inherit;
}

.explore-card h3 {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.04em;
}

.explore-card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}

.explore-link {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.contact-page {
  padding: 2.5rem 0 3rem;
}

.contact-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow);
  max-width: 640px;
}

.contact-panel h2 {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.contact-panel p {
  color: var(--muted);
  margin-bottom: 1.25rem;
  line-height: 1.65;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
}

.contact-method-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-bottom: 0.25rem;
}

.contact-method-value {
  font-size: 1rem;
  color: var(--text);
}

.contact-panel .cta-actions {
  margin-top: 1.5rem;
}

.contact-panel .cta-button {
  background: var(--teal);
  color: var(--white);
}

.contact-panel .cta-button:hover {
  background: var(--teal-dark);
  color: var(--white);
}

.contact-panel .cta-button-outline {
  background: transparent;
  color: var(--teal);
  border: 1px solid var(--teal-border);
}

.contact-panel .cta-button-outline:hover {
  background: var(--teal-muted);
  color: var(--teal-dark);
  box-shadow: none;
}

/* ── CTA band ── */
.cta-band {
  background: var(--teal);
  color: var(--white);
  padding: 2.5rem 0;
  margin-top: 1rem;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-inner h2 {
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.cta-inner p {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-top: 0.35rem;
  font-weight: 300;
}

.cta-button {
  display: inline-block;
  background: var(--white);
  color: var(--teal);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta-button:hover {
  color: var(--teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cta-button-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.cta-button-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  box-shadow: none;
}

/* ── Footer ── */
.site-footer {
  background: var(--surface);
  border-top: 2px solid var(--teal);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.footer-brand-name {
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
}

.footer-brand-tagline {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-top: 0.1rem;
}

.footer-contact {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.footer-contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.footer-contact-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--muted-light);
  text-transform: uppercase;
}

.footer-contact-value {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  color: var(--text);
  letter-spacing: 0.04em;
}

.footer-url {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.04em;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem 1rem;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-light);
  }

  .site-nav a:last-child {
    border-bottom: none;
    margin-top: 0.5rem;
    text-align: center;
  }

  .site-header .container {
    position: relative;
  }

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-contact {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}