:root {
  --bg: #0b0e14;
  --surface: #131722;
  --surface-hover: #1a2030;
  --border: #232a3b;
  --text: #e7ebf3;
  --muted: #8b93a7;
  --accent: #5b9dff;
  --accent-2: #7c5bff;
  --kofi: #ff5e5b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Centres the hero and tools as one block so a short tool list still fills
   the viewport instead of leaving a gap above the footer. */
.page {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 0;
}

.bg-glow {
  position: fixed;
  inset: -20% -20% auto -20%;
  height: 60vh;
  background: radial-gradient(circle at 30% 20%, rgba(91, 157, 255, 0.25), transparent 60%),
              radial-gradient(circle at 75% 10%, rgba(124, 91, 255, 0.2), transparent 55%);
  filter: blur(40px);
  z-index: -1;
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate(-2%, -2%) scale(1); }
  to   { transform: translate(2%, 3%) scale(1.08); }
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(91, 157, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 157, 255, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
}

.particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  bottom: -10px;
  width: var(--size, 3px);
  height: var(--size, 3px);
  border-radius: 50%;
  background: var(--spark-color, var(--accent));
  opacity: 0;
  box-shadow: 0 0 6px 1px currentColor;
  animation: rise var(--duration, 14s) linear infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes rise {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  8% { opacity: 0.8; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-105vh) translateX(var(--drift, 20px)); opacity: 0; }
}

.planes {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.plane {
  position: absolute;
  top: var(--y, 20%);
  left: -15%;
  width: var(--w, 60px);
  color: var(--plane-color, var(--accent));
  opacity: var(--op, 0.16);
  animation: fly var(--duration, 45s) linear infinite;
  animation-delay: var(--delay, 0s);
}

.plane.reverse {
  left: auto;
  right: -15%;
  transform: scaleX(-1);
  animation-name: fly-rev;
}

@keyframes fly {
  from { left: -15%; }
  to   { left: 115%; }
}

@keyframes fly-rev {
  from { right: -15%; }
  to   { right: 115%; }
}

.plane-wrap {
  position: relative;
  width: 100%;
  height: calc(var(--w, 64px) / 1.667);
  animation: bob var(--bob-duration, 4s) ease-in-out infinite;
  animation-delay: var(--bob-delay, 0s);
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(var(--bob-amt, 6px)); }
}

.plane-body {
  position: absolute;
  inset: 0;
  filter: drop-shadow(0 0 3px currentColor);
}

.plane-body svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* Anchored at the exhaust plane, which both planforms place at 10% of the box. */
.plane-trail {
  position: absolute;
  right: calc(var(--w, 64px) * 0.9);
  transform: translateY(-50%);
  width: 44px;
  height: 1px;
  background: linear-gradient(to left, currentColor, transparent);
}

.plane-flash {
  position: absolute;
  right: calc(var(--w, 64px) * var(--nose-inset, 0.1));
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #ffd166;
  box-shadow: 0 0 6px 2px #ffd166;
  opacity: 0;
  animation: flash var(--flash-duration, 5s) linear infinite;
  animation-delay: var(--flash-delay, 0s);
}

@keyframes flash {
  0%, 95%, 100% { opacity: 0; }
  96%, 98%      { opacity: 1; }
}

.hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.5rem 2.75rem;
  text-align: center;
  animation: fadeInUp 0.7s ease both;
}

.eyebrow {
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin: 0 0 1rem;
  background: linear-gradient(100deg, var(--text) 20%, var(--accent) 40%, var(--accent-2) 60%, var(--text) 80%);
  background-size: 250% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 7s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.dot { color: var(--accent-2); }

.subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 auto 2rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn.kofi {
  background: var(--kofi);
  color: #fff;
  box-shadow: 0 0 0 rgba(255, 94, 91, 0.5);
  animation: pulse 2.6s ease-in-out infinite;
}

.btn.kofi:hover {
  box-shadow: 0 8px 24px rgba(255, 94, 91, 0.45);
  animation-play-state: paused;
}

.btn-icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 94, 91, 0.35); }
  50% { box-shadow: 0 0 0 8px rgba(255, 94, 91, 0); }
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.ghost:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
}

main {
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1.5rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.section-head h2 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  flex: none;
}

.section-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  position: relative;
  padding-left: 0.9rem;
  flex: 1;
}

/* Hairline that runs from the heading out to the edge of the grid. */
.section-note::before {
  content: "";
  position: absolute;
  left: -0.4rem;
  top: -0.25rem;
  width: 1px;
  height: 1.1em;
  background: var(--border);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.loading { color: var(--muted); text-align: center; grid-column: 1 / -1; }

.tool-card {
  --mx: 50%;
  --my: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeInUp 0.6s ease forwards;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(240px circle at var(--mx) var(--my), rgba(91, 157, 255, 0.16), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.tool-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  background: var(--surface-hover);
}

.tool-card:hover::before {
  opacity: 1;
}

/* Keep the card's content above the hover glow layer. */
.tool-card > * {
  position: relative;
}

.tool-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: rgba(91, 157, 255, 0.12);
  padding: 0.25rem 0.65rem 0.25rem 0.55rem;
  border-radius: 999px;
}

.tool-icon {
  width: 0.85rem;
  height: 0.85rem;
  flex: none;
}

.tool-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.tool-foot {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.tool-card:hover .tool-foot {
  color: var(--accent);
  border-color: rgba(91, 157, 255, 0.35);
}

.tool-arrow {
  transition: transform 0.25s ease;
}

.tool-card:hover .tool-arrow {
  transform: translateX(4px);
}

.tool-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.about-section {
  max-width: 640px;
  margin: 2.5rem auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 2rem 1.5rem 3rem;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .bg-glow, .btn.kofi, .hero, .hero h1, .tool-card, .particle, .plane, .plane-wrap, .plane-flash {
    animation: none !important;
  }
  .tool-card { opacity: 1; transform: none; }
  .particles, .planes { display: none; }
}