* {
  box-sizing: border-box;
}

:root {
  --bg: #0f1115;
  --text: #e8e8ea;
  --muted: #a9b2c4;
  --header-bg: #0c0e13;
  --nav-bg: #121621;
  --border: #1f2330;
  --card-bg: #121621;
  --card-border: #1f2330;
  --button-bg: transparent;
  --button-text: #cdd3df;
  --button-border: #1f2330;
  --button-active-bg: #1b2233;
  --button-active-border: #2a3146;
  --code-bg: #0b0d12;
  --code-text: #d7dce7;
  --link: #7cc4ff;
  --footer-text: #7f8899;
  --filter-bg: #141824;
  --filter-border: #20263a;
}

body[data-theme="light"] {
  --bg: #f7f9fc;
  --text: #111827;
  --muted: #4b5563;
  --header-bg: #ffffff;
  --nav-bg: #f1f5f9;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --button-bg: #ffffff;
  --button-text: #111827;
  --button-border: #cbd5f5;
  --button-active-bg: #111827;
  --button-active-border: #111827;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --link: #2563eb;
  --footer-text: #6b7280;
  --filter-bg: #e2e8f0;
  --filter-border: #cbd5f5;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background-color 120ms ease, color 120ms ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.2px;
  cursor: pointer;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--button-text);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  border-color: var(--button-active-border);
}

.btn-primary {
  background: var(--button-active-bg);
  border-color: var(--button-active-border);
  color: #ffffff;
}

.btn-secondary {
  background: transparent;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: var(--header-bg);
  color: var(--text);
  padding: 24px 14px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  margin: 0 0 6px;
  font-size: 24px;
}

.header p {
  margin: 0;
  color: var(--muted);
}

.nav {
  background: var(--nav-bg);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.nav-toggle {
  align-self: center;
  background: transparent;
  color: var(--button-text);
  border: 1px solid var(--button-border);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  min-height: 44px; /* thumb-friendly */
}

.nav button {
  background: var(--button-bg);
  color: var(--button-text);
  border: 1px solid var(--button-border);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  min-height: 44px; /* thumb-friendly */
}

.nav button.active {
  background: var(--button-active-bg);
  border-color: var(--button-active-border);
  color: #ffffff;
}

.nav:not(.open) > button:not(.nav-toggle):not(.theme-toggle),
.nav:not(.open) > .search {
  display: none;
}

.search,
.section-search {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.search input,
.section-search input {
  min-width: 0;
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 13px;
}

.search button,
.section-search button {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--button-text);
  cursor: pointer;
  font-size: 13px;
  min-height: 44px; /* thumb-friendly */
}

.search button:hover,
.section-search button:hover {
  border-color: var(--button-active-border);
}

.main {
  max-width: 980px;
  margin: 18px auto;
  padding: 0 14px 32px;
  width: 100%;
}

.home {
  display: grid;
  gap: 18px;
}

.hero {
  margin-bottom: 24px;
}

.home .hero {
  margin-bottom: 8px;
  padding: 22px 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background:
    radial-gradient(
      900px 280px at 10% 0%,
      color-mix(in srgb, var(--link) 22%, transparent),
      transparent 60%
    ),
    radial-gradient(
      700px 240px at 90% 20%,
      color-mix(in srgb, var(--button-active-bg) 35%, transparent),
      transparent 62%
    ),
    var(--card-bg);
}

.hero > h2 {
  margin: 0 0 8px;
  font-size: 22px;
  letter-spacing: -0.2px;
}

.hero > p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
}

.headline {
  margin: 10px 0 8px;
  font-size: clamp(30px, 7.5vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.8px;
}

.accent {
  background: linear-gradient(
    90deg,
    var(--text),
    color-mix(in srgb, var(--link) 55%, var(--text))
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subhead {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.cred-strip {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.cred-pill {
  border: 1px solid var(--border);
  background: var(--card-bg);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--button-text);
  font-weight: 600;
}

.cred-dot {
  opacity: 0.7;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.section {
  margin-top: 6px;
}

.section-head h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.product-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.product-title {
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -0.2px;
}

.product-desc {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.product-actions {
  margin-top: 14px;
}

.muted {
  opacity: 0.92;
}

.tight {
  padding: 18px;
}

.section-title {
  margin: 26px 0 14px;
  font-size: 18px;
}

.section-search {
  margin: 6px 0 18px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.filters button {
  background: var(--filter-bg);
  color: var(--button-text);
  border: 1px solid var(--filter-border);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
}

.filters button.active {
  background: var(--button-active-bg);
  color: #ffffff;
}

.cards {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.card {
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  border-radius: 12px;
  padding: 16px;
}

.card h2,
.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 6px 0;
  color: var(--muted);
  font-size: 13px;
}

.bullets {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--button-text);
}

.bullets li {
  margin: 8px 0;
}

.bullets.subtle {
  color: var(--muted);
}

.card pre {
  background: var(--code-bg);
  border: 1px solid var(--card-border);
  padding: 10px;
  border-radius: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 12px;
  color: var(--code-text);
}

.snippet-category {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.about {
  padding: 20px;
  background:
    radial-gradient(
      900px 240px at 0% 0%,
      color-mix(in srgb, var(--link) 14%, transparent),
      transparent 62%
    ),
    var(--card-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

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

.inline-link {
  color: var(--link);
  font-weight: 650;
  text-decoration: none;
}

.inline-link:hover {
  text-decoration: underline;
}

.pills {
  margin: 10px 0 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card-bg) 85%, transparent);
  color: var(--button-text);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 650;
}

.about-cta {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 14px;
  display: grid;
  gap: 10px;
  background: color-mix(in srgb, var(--card-bg) 70%, transparent);
}

.about-label {
  font-size: 12px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
}

.final-cta {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: color-mix(in srgb, var(--card-bg) 85%, transparent);
}

.final-cta-title {
  font-size: 16px;
  font-weight: 750;
  margin-bottom: 6px;
}

.final-cta-sub {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 12px;
}

.footer {
  text-align: center;
  padding: 20px;
  border-top: 1px solid var(--border);
  color: var(--footer-text);
  font-size: 12px;
  margin-top: auto;
}

.theme-toggle {
  margin-left: 0;
}

/* =========================
   Responsive breakpoints
   Mobile-first base above
   ========================= */

/* 481–768px (phones / small tablets) */
@media (min-width: 481px) {
  .header {
    padding: 28px 18px;
  }

  .header h1 {
    font-size: 26px;
  }

  .main {
    margin: 22px auto;
    padding: 0 18px 36px;
  }

  .search,
  .section-search {
    flex-direction: row;
    align-items: center;
  }

  .cards {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .search input {
    width: 260px;
  }
}

/* 769–1024px (tablets / small laptops) */
@media (min-width: 769px) {
  .header {
    padding: 32px 20px;
  }

  .header h1 {
    font-size: 28px;
  }

  .nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
  }

  .nav-toggle {
    display: none;
  }

  .nav:not(.open) > button:not(.nav-toggle):not(.theme-toggle) {
    display: inline-flex;
  }

  .nav:not(.open) > .search {
    display: flex;
  }

  .search input {
    width: 240px;
  }

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

/* 1025px+ (desktops) */
@media (min-width: 1025px) {
  .main {
    max-width: 1040px;
    margin: 32px auto;
    padding: 0 20px 48px;
  }

  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1.4fr 0.6fr;
  }
}