/* ── Tokens ─────────────────────────────────────────────────────── */
:root {
  --ground:     #E5EDF7;
  --surface:    #FFFFFF;
  --ink:        #0D1B2A;
  --muted:      #5A6E82;
  --accent-fg:  #1D68E1;
  --accent-bg:  #EBF2FE;
  --border:     #DCE5F0;
  --dot:        rgba(29, 104, 225, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground:    #0C1620;
    --surface:   #162030;
    --ink:       #E4EDF7;
    --muted:     #6E90B0;
    --accent-fg: #4F90F5;
    --accent-bg: #0F2040;
    --border:    #1F3048;
    --dot:       rgba(79, 144, 245, 0.05);
  }
}

:root[data-theme="dark"] {
  --ground:    #0C1620;
  --surface:   #162030;
  --ink:       #E4EDF7;
  --muted:     #6E90B0;
  --accent-fg: #4F90F5;
  --accent-bg: #0F2040;
  --border:    #1F3048;
  --dot:       rgba(79, 144, 245, 0.05);
}

/* ── Reset ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--ground);
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ──────────────────────────────────────────────────────── */
.wrap {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ── Type scale ──────────────────────────────────────────────────── */
.label {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Header ──────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 6px rgba(13, 27, 42, 0.07);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.wordmark {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-decoration: none;
}

.wordmark em {
  font-style: normal;
  color: var(--accent-fg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a,
.site-nav button {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  transition: color 0.12s, background-color 0.12s;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.site-nav a:hover,
.site-nav button:hover {
  color: var(--ink);
  background-color: var(--accent-bg);
}

.site-nav a:focus-visible,
.site-nav button:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
}

/* ── Apps dropdown ───────────────────────────────────────────────── */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__chevron {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  transition: transform 0.15s;
  flex-shrink: 0;
}

.nav-dropdown.is-open .nav-dropdown__chevron {
  transform: rotate(180deg);
}

.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  padding: 0.375rem;
  list-style: none;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.12s, transform 0.12s;
  z-index: 200;
}

.nav-dropdown.is-open .nav-dropdown__menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown__menu a {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 5px;
  transition: color 0.12s, background-color 0.12s;
}

.nav-dropdown__menu a:hover {
  color: var(--ink);
  background-color: var(--accent-bg);
}

.nav-dropdown__menu a:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
}

/* ── Hero ────────────────────────────────────────────────────────── */
.hero {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.hero__eyebrow {
  display: block;
  margin-bottom: 1.25rem;
}

.hero__headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-wrap: balance;
  color: var(--ink);
  margin: 0 0 1.25rem;
  max-width: 18ch;
}

.hero__sub {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 46ch;
  margin: 0;
}

/* ── About ───────────────────────────────────────────────────────── */
.about {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.about__eyebrow {
  display: block;
  margin-bottom: 1.5rem;
}

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__heading {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
  color: var(--ink);
  margin: 0;
}

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

.about__body p {
  margin: 0;
  font-size: 0.975rem;
  line-height: 1.7;
  color: var(--muted);
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background-color: var(--accent-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
}

@media (max-width: 680px) {
  .about__layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ── Apps ────────────────────────────────────────────────────────── */
.apps {
  padding-top: 4rem;
  padding-bottom: 5rem;
}

.apps__eyebrow {
  display: block;
  margin-bottom: 1.25rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.app-card {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.app-card:hover {
  border-color: var(--accent-fg);
  box-shadow: 0 0 0 3px var(--accent-bg), 0 6px 20px rgba(0, 0, 0, 0.07);
  transform: translateY(-2px);
}

.app-card:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
}

.app-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background-color: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-card__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-fg);
}

.app-card__name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}

.app-card__desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
  flex: 1;
}

.app-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-fg);
  margin-top: 0.25rem;
}

.app-card__cta svg {
  width: 13px;
  height: 13px;
  stroke: var(--accent-fg);
  transition: transform 0.15s;
}

.app-card:hover .app-card__cta svg {
  transform: translateX(3px);
}

.apps__more {
  margin-top: 1.25rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  opacity: 0.7;
}

/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background-color: var(--surface);
  box-shadow: 0 -1px 6px rgba(13, 27, 42, 0.07);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  padding-block: 1.125rem;
}

.site-footer__copy {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero { padding-top: 3.5rem; padding-bottom: 3.5rem; }
  .about { padding-top: 3rem; padding-bottom: 3rem; }
  .apps  { padding-top: 3rem; padding-bottom: 3.5rem; }

}