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

:root {
  --bg:       #1e1e2e;
  --bg-alt:   #181825;
  --surface:  #313244;
  --overlay:  #45475a;
  --text:     #cdd6f4;
  --subtext:  #a6adc8;
  --blue:     #89b4fa;
  --green:    #a6e3a1;
  --purple:   #cba6f7;
  --yellow:   #f9e2af;
  --red:      #f38ba8;
  --teal:     #94e2d5;
  --radius:   10px;
  --radius-lg: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre {
  font-family: 'JetBrains Mono', 'Fira Mono', monospace;
  font-size: 0.85em;
}

code {
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--teal);
}

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(30,30,46,.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.nav-logo { color: var(--blue); flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.875rem;
  color: var(--subtext);
}

.nav-links a { color: var(--subtext); transition: color .15s; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.nav-gh {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--overlay);
  color: var(--text) !important;
  padding: 5px 13px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: background .15s, border-color .15s;
}

.nav-gh:hover { background: var(--overlay); border-color: var(--blue); text-decoration: none !important; }

/* ── Hero ── */
.hero {
  padding: 96px 24px 72px;
  text-align: center;
}

.hero-inner { max-width: 760px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  background: rgba(137,180,250,.1);
  border: 1px solid rgba(137,180,250,.25);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 99px;
  margin-bottom: 28px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(120deg, var(--blue) 0%, var(--purple) 60%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--subtext);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none !important;
}

.btn-primary {
  background: var(--blue);
  color: var(--bg-alt);
}
.btn-primary:hover { background: #74a8f8; transform: translateY(-1px); }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--overlay);
}
.btn-secondary:hover { background: var(--overlay); border-color: var(--blue); transform: translateY(-1px); }

.hero-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.pill {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 99px;
  border: 1px solid;
}

.pill-green  { background: rgba(166,227,161,.08); border-color: rgba(166,227,161,.3); color: var(--green); }
.pill-blue   { background: rgba(137,180,250,.08); border-color: rgba(137,180,250,.3); color: var(--blue); }
.pill-purple { background: rgba(203,166,247,.08); border-color: rgba(203,166,247,.3); color: var(--purple); }
.pill-yellow { background: rgba(249,226,175,.08); border-color: rgba(249,226,175,.3); color: var(--yellow); }
.pill-red    { background: rgba(243,139,168,.08); border-color: rgba(243,139,168,.3); color: var(--red); }

/* ── Screenshot hero ── */
.screenshot-hero {
  padding: 0 24px 80px;
}

.screenshot-hero-inner {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--surface);
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
}

.hero-screenshot {
  width: 100%;
  display: block;
}

/* ── Stats bar ── */
.stats-bar {
  background: var(--bg-alt);
  border-top: 1px solid var(--surface);
  border-bottom: 1px solid var(--surface);
  padding: 40px 24px;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 40px;
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -.02em;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--subtext);
  max-width: 160px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--surface);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .stats-grid { gap: 28px; }
  .stat-divider { display: none; }
  .stat-item { padding: 0 20px; }
}

/* ── Section shared ── */
.section { padding: 80px 24px; }
.section-dark { background: var(--bg-alt); }

.container { max-width: 1100px; margin: 0 auto; }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -.01em;
}

.section-sub {
  color: var(--subtext);
  max-width: 540px;
  margin-bottom: 48px;
}

/* ── Feature grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-alt);
  border: 1px solid var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: border-color .2s, transform .2s;
}

.feature-card:hover {
  border-color: var(--overlay);
  transform: translateY(-2px);
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.feature-text { flex: 1; }

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--subtext);
  line-height: 1.65;
}

/* ── Table ── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--surface);
  padding: 12px 20px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--subtext);
}

.data-table td {
  border-top: 1px solid var(--surface);
  padding: 13px 20px;
  color: var(--subtext);
}

.data-table td:first-child { color: var(--text); }

.data-table .highlight {
  color: var(--green);
  font-weight: 500;
}

/* ── Intent badges ── */
.intent-table td:first-child { white-space: nowrap; }

.intent-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: .02em;
}

.intent-write      { background: rgba(166,227,161,.12); color: var(--green);  border: 1px solid rgba(166,227,161,.3); }
.intent-investigate{ background: rgba(243,139,168,.12); color: var(--red);    border: 1px solid rgba(243,139,168,.3); }
.intent-explain    { background: rgba(137,180,250,.12); color: var(--blue);   border: 1px solid rgba(137,180,250,.3); }
.intent-general    { background: rgba(166,173,200,.12); color: var(--subtext);border: 1px solid rgba(166,173,200,.3); }

/* ── Capability table ── */
.td-category {
  font-weight: 600;
  white-space: nowrap;
  color: var(--text) !important;
}

/* ── Tools grid ── */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

@media (max-width: 768px) {
  .tools-grid { grid-template-columns: 1fr; }
}

.tool-group-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--subtext);
  margin-bottom: 12px;
}

.tool-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tool-item {
  background: var(--bg);
  border: 1px solid var(--surface);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-item code {
  font-size: 0.82rem;
  color: var(--teal);
}

.tool-item span {
  font-size: 0.8rem;
  color: var(--subtext);
  line-height: 1.5;
}

.tool-sensitive {
  border-color: rgba(249,226,175,.2);
}

.tool-sensitive code {
  color: var(--yellow);
}

/* ── Requirements box ── */
.req-box {
  margin-top: 48px;
  background: var(--bg-alt);
  border: 1px solid var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
}

.req-box-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--subtext);
  margin-bottom: 14px;
}

.req-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.req-list li {
  font-size: 0.875rem;
  color: var(--subtext);
  padding-left: 18px;
  position: relative;
}

.req-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* ── Steps ── */
.steps { display: flex; flex-direction: column; gap: 0; }

.step {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--surface);
}

.step:last-child { border-bottom: none; }

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(137,180,250,.12);
  border: 1px solid rgba(137,180,250,.3);
  color: var(--blue);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.step-content { flex: 1; }

.step-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-content p {
  color: var(--subtext);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.step-content pre {
  background: var(--bg-alt);
  border: 1px solid var(--surface);
  border-radius: var(--radius);
  padding: 16px 20px;
  overflow-x: auto;
  margin-bottom: 10px;
}

.step-content pre code {
  background: none;
  padding: 0;
  color: var(--text);
  font-size: 0.83rem;
  line-height: 1.7;
}

.step-note {
  color: var(--yellow) !important;
  font-size: 0.82rem !important;
  background: rgba(249,226,175,.06);
  border: 1px solid rgba(249,226,175,.2);
  border-radius: 6px;
  padding: 8px 13px;
  margin-top: 8px;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--surface);
  padding: 40px 24px;
  text-align: center;
}

.footer-inner { max-width: 600px; margin: 0 auto; }

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--subtext);
  margin-bottom: 6px;
}

.footer-vibecode {
  font-size: 0.78rem;
  color: var(--overlay);
  font-style: italic;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .nav-links a:not(.nav-gh) { display: none; }
  .hero { padding: 64px 20px 48px; }
  .feature-grid { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 14px; }
  .intent-table { font-size: 0.8rem; }
}