:root {
  --bg: #F9F8F6;
  --fg: #111213;
  --muted: #2D3E50;
  --card: rgba(17, 18, 19, 0.04);
  --border: rgba(45, 62, 80, 0.2);
  --accent1: #FF5A5F;
  --accent2: #FF8A5C;
  --data: #00E5A0;
  --mark: #F9F16B;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.1);
  --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.08);

  --container: 1120px;
  --grid-gap: 18px;
  --trans: 0.3s ease;
}

[data-theme="dark"] {
  --bg: #111213;
  --fg: #F9F8F6;
  --muted: rgba(249, 248, 246, 0.7);
  --card: rgba(249, 248, 246, 0.06);
  --border: rgba(249, 248, 246, 0.16);
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Inter", "Geist", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0.2px;
  transition: background var(--trans), color var(--trans);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 90, 95, 0.07), transparent 55%),
    radial-gradient(circle at 80% 30%, rgba(0, 229, 160, 0.06), transparent 55%),
    radial-gradient(circle at 55% 85%, rgba(249, 241, 107, 0.05), transparent 60%);
  mix-blend-mode: multiply;
  opacity: 0.95;
  z-index: -1;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: ui-sans-serif, system-ui, "Syne", "Unbounded", sans-serif;
  letter-spacing: -0.6px;
}

.brand .logo {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  box-shadow: 0 0 0 6px rgba(255, 90, 95, 0.12);
  flex-shrink: 0;
}

.brand .name {
  font-weight: 800;
}

.brand .tag {
  color: var(--muted);
  font-size: 12px;
}

.navlinks {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.navlinks a {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
}

.navlinks a[aria-current="page"] {
  color: var(--fg);
  border-color: var(--border);
  background: var(--card);
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background var(--trans), border-color var(--trans);
  user-select: none;
}

.btn.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #111213;
  font-weight: 700;
}

.btn:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: var(--shadow-soft);
}

.btn:active {
  transform: translateY(0) scale(0.99);
}

.pulse:active {
  animation: pulse 0.45s ease;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 90, 95, 0.35);
  }
  100% {
    box-shadow: 0 0 0 16px rgba(255, 90, 95, 0);
  }
}

.hero {
  padding: 34px 0 10px;
}

.heroGrid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: var(--grid-gap);
  align-items: stretch;
}

@media (max-width: 900px) {
  .heroGrid {
    grid-template-columns: 1fr;
  }
}

.panel {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.h1 {
  font-family: ui-sans-serif, system-ui, "Syne", "Unbounded", sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  margin: 0 0 12px;
  letter-spacing: -1px;
}

.h2 {
  font-family: ui-sans-serif, system-ui, "Syne", "Unbounded", sans-serif;
  letter-spacing: -0.6px;
  margin: 0 0 12px;
  font-size: 22px;
}

.sub {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.6;
}

.kbdline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.pill {
  border: 1px dashed color-mix(in srgb, var(--border) 72%, transparent);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 13px;
}

.dataTattoo {
  position: relative;
  overflow: hidden;
}

.dataTattoo .label {
  font-family: ui-monospace, "JetBrains Mono", "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  color: var(--muted);
}

.dataTattoo .metric {
  margin-top: 8px;
  font-family: ui-monospace, "JetBrains Mono", "IBM Plex Mono", Consolas, monospace;
  font-size: 22px;
  font-weight: 800;
  color: var(--data);
}

.dataTattoo .note {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.dataTattoo::after {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 90, 95, 0.22), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(0, 229, 160, 0.16), transparent 55%);
  filter: blur(18px);
  opacity: 0.8;
  animation: breathe 4.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes breathe {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.65;
  }
  50% {
    transform: translate3d(6px, -8px, 0) scale(1.06);
    opacity: 0.95;
  }
}

.section {
  padding: 22px 0;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

@media (max-width: 980px) {
  .grid3 {
    grid-template-columns: 1fr;
  }
}

.grid2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

@media (max-width: 780px) {
  .grid2 {
    grid-template-columns: 1fr;
  }
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color var(--trans);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent1) 26%, var(--border));
}

.thumb {
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(135deg, rgba(255, 90, 95, 0.22), rgba(255, 138, 92, 0.12)),
    radial-gradient(circle at 80% 10%, rgba(0, 229, 160, 0.18), transparent 50%);
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cardBody {
  padding: 14px 14px 16px;
}

.cardTitle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 800;
}

.badge {
  font-family: ui-monospace, "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.metrics {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-family: ui-monospace, "JetBrains Mono", Consolas, monospace;
  color: var(--muted);
  font-size: 12px;
}

.metrics b {
  color: var(--data);
  font-weight: 800;
}

.cardDesc {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.cardCta {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: color-mix(in srgb, var(--accent1) 74%, var(--fg));
  font-weight: 700;
}

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
}

.chip {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  border-bottom: 2px solid transparent;
}

.chip[aria-pressed="true"] {
  color: var(--fg);
  border-bottom-color: var(--accent1);
}

.footer {
  padding: 26px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

.small {
  font-size: 12px;
  color: var(--muted);
}

.form {
  display: grid;
  gap: 12px;
}

.field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 86%, var(--card));
  color: var(--fg);
  font: inherit;
  outline: none;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap);
}

@media (max-width: 780px) {
  .row2 {
    grid-template-columns: 1fr;
  }
}

.hl {
  background: linear-gradient(
    0deg,
    color-mix(in srgb, var(--mark) 70%, transparent) 0 55%,
    transparent 55% 100%
  );
  padding: 0 3px;
}

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

.resource-card.free {
  background: color-mix(in srgb, var(--muted) 8%, var(--card));
}

.resource-card.paid {
  border-color: color-mix(in srgb, var(--accent1) 45%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent1) 20%, transparent);
}

.resource-card .price {
  font-family: ui-monospace, "JetBrains Mono", monospace;
  font-weight: 800;
  color: var(--accent1);
}

.article-long {
  max-width: 720px;
}

.article-long h3 {
  font-size: 1.1rem;
  margin: 1.25em 0 0.5em;
}

.article-long p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 1em;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  background: var(--card);
}

.tag[aria-pressed="true"] {
  color: var(--fg);
  border-color: var(--accent1);
}

.radar-wrap {
  display: flex;
  justify-content: center;
  padding: 16px 0;
}

.radar {
  width: min(280px, 100%);
  height: auto;
}

.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
  padding: 12px 0;
}

.skills-cloud span {
  font-family: ui-monospace, "JetBrains Mono", monospace;
  font-size: var(--sz, 13px);
  color: var(--muted);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.skills-cloud span.hl-word {
  color: var(--data);
  border-color: color-mix(in srgb, var(--data) 40%, var(--border));
}

.page-enter {
  animation: pageEnter 0.45s ease forwards;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--accent1);
  color: #111;
  font-weight: 700;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}