/* ============================================================
   Agentic — design system
   ============================================================ */

:root {
  /* Brand */
  --brand-1: #7c5cff;
  --brand-2: #22d3ee;
  --brand-3: #f65ca0;
  --grad: linear-gradient(135deg, var(--brand-1), var(--brand-2) 60%, var(--brand-3));

  /* Dark theme (default) */
  --bg: #08080f;
  --bg-soft: #0e0e1a;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f4fb;
  --text-soft: #b9b9cc;
  --text-dim: #7d7d94;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);

  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

[data-theme="light"] {
  --bg: #f6f6fb;
  --bg-soft: #ffffff;
  --surface: rgba(20, 20, 45, 0.03);
  --surface-2: rgba(20, 20, 45, 0.05);
  --border: rgba(20, 20, 45, 0.1);
  --border-strong: rgba(20, 20, 45, 0.18);
  --text: #14142b;
  --text-soft: #4a4a63;
  --text-dim: #7a7a92;
  --shadow: 0 30px 70px -35px rgba(40, 30, 90, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%; /* prevent iOS auto text inflation on rotate */
  text-size-adjust: 100%;
}

/* Remove the grey tap flash on iOS/Android and keep taps crisp */
a, button, .cap-tab, .pg-task { -webkit-tap-highlight-color: transparent; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
}

img, svg, video, canvas:not(#bg-canvas):not(#fx-canvas) { max-width: 100%; height: auto; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Background canvas + grain ---------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.6;
  pointer-events: none;
}
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, .footer { position: relative; z-index: 2; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  z-index: 100;
  box-shadow: 0 0 12px var(--brand-1);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.5em;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s, border-color 0.3s;
  white-space: nowrap;
}
.btn-sm { padding: 0.6em 1.1em; font-size: 0.85rem; }
.btn-lg { padding: 1em 2em; font-size: 1.05rem; }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(124, 92, 255, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -10px rgba(124, 92, 255, 0.75); }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--surface-2); transform: translateY(-2px); }
.btn-arrow { transition: transform 0.3s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.3s var(--ease), background 0.3s;
}
.icon-btn:hover { transform: rotate(180deg) scale(1.05); background: var(--surface-2); }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  -webkit-backdrop-filter: blur(0px);
  backdrop-filter: blur(0px);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s, padding 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand-mark {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.35rem;
  animation: spin 12s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nav-links { display: flex; gap: 1.8rem; }
.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  transition: color 0.3s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--grad);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 0.7rem; }

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  cursor: pointer;
  place-items: center;
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle-bars, .nav-toggle-bars span {
  display: block;
  box-sizing: border-box;
}
.nav-toggle-bars {
  width: 20px;
  height: 14px;
  position: relative;
}
.nav-toggle-bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease), top 0.3s var(--ease);
}
.nav-toggle-bars span:nth-child(1) { top: 0; }
.nav-toggle-bars span:nth-child(2) { top: 6px; }
.nav-toggle-bars span:nth-child(3) { top: 12px; }
.nav.menu-open .nav-toggle-bars span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.nav.menu-open .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.nav.menu-open .nav-toggle-bars span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: grid; }
  .try-live { display: none; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem clamp(1rem, 4vw, 2.5rem) 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s var(--ease);
  }
  .nav-links a {
    padding: 0.9rem 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a::after { display: none; }
  .nav.menu-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  min-height: 100svh; /* stable height on iOS Safari (no address-bar jump) */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8rem clamp(1rem, 5vw, 2rem) 4rem;
  position: relative;
}
.hero-inner { max-width: 900px; width: 100%; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-soft);
  margin-bottom: 2rem;
  letter-spacing: 0.01em;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.grad-text {
  background: var(--grad);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: grad-shift 6s ease infinite;
}
@keyframes grad-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-sub {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}
.hero-sub em { color: var(--text); font-style: normal; font-weight: 600; }
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Terminal */
.terminal {
  max-width: 640px;
  margin: 0 auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-soft) 88%, transparent);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: left;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.terminal-bar, .pg-console-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }
.terminal-title, .pg-console-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}
.terminal-body {
  padding: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  min-height: 180px;
}
.term-line { display: block; }
.term-prompt { color: var(--brand-2); }
.term-cmd { color: var(--text); }
.term-out { color: var(--text-soft); }
.term-ok { color: #4ade80; }
.term-tool { color: var(--brand-1); }
.cursor {
  display: inline-block;
  width: 8px; height: 1em;
  background: var(--brand-2);
  vertical-align: text-bottom;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.scroll-hint {
  position: absolute;
  bottom: 1.8rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(var(--text-dim), transparent);
  animation: scroll-drop 2s var(--ease) infinite;
}
@keyframes scroll-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--border);
  background: var(--surface);
  padding: 1rem 0;
}
.marquee-track {
  display: inline-flex;
  gap: 1.5rem;
  white-space: nowrap;
  animation: marquee 32s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--text-dim);
}
.marquee-track span:nth-child(3n+1) {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 8rem) clamp(1rem, 5vw, 2rem);
}
.section-head { max-width: 720px; margin-bottom: 3.5rem; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--brand-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 1rem;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
}
.section-lead { font-size: 1.1rem; color: var(--text-soft); }

/* ---------- Capabilities ---------- */
.cap-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
}
.cap-tabs { display: flex; flex-direction: column; gap: 0.6rem; }
.cap-tab {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.cap-tab:hover { border-color: var(--border-strong); color: var(--text); transform: translateX(4px); }
.cap-tab.is-active {
  background: var(--surface-2);
  border-color: transparent;
  color: var(--text);
  box-shadow: inset 3px 0 0 0 var(--brand-1);
}
.cap-tab-icon {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--grad);
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}
.cap-panel {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  min-height: 340px;
  position: relative;
  overflow: hidden;
}
.cap-panel::before {
  content: "";
  position: absolute;
  top: -50%; right: -20%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand-1) 22%, transparent), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}
.cap-content { position: relative; animation: fade-up 0.5s var(--ease); }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.cap-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.cap-tagline { color: var(--brand-2); font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 1.2rem; }
.cap-content > p { color: var(--text-soft); font-size: 1.05rem; margin-bottom: 1.6rem; max-width: 60ch; }
.cap-list { list-style: none; display: grid; gap: 0.7rem; }
.cap-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--text-soft);
  font-size: 0.98rem;
}
.cap-list li::before {
  content: "→";
  color: var(--brand-1);
  font-weight: 700;
  flex-shrink: 0;
}

@media (max-width: 800px) {
  .cap-layout { grid-template-columns: 1fr; }
  .cap-tabs { flex-direction: row; overflow-x: auto; padding-bottom: 0.4rem; }
  .cap-tab { flex-shrink: 0; }
  .cap-tab span:last-child { white-space: nowrap; }
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-bottom: 4rem;
}
.stat {
  padding: 2rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
  transition: transform 0.4s var(--ease), border-color 0.4s;
}
.stat:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.stat-label { color: var(--text-soft); font-size: 0.9rem; margin-top: 0.6rem; }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Timeline ---------- */
.timeline {
  display: grid;
  gap: 0;
  position: relative;
  max-width: 780px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.4rem;
  padding-bottom: 2.2rem;
  position: relative;
}
.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 27px; top: 46px; bottom: 0;
  width: 2px;
  background: linear-gradient(var(--brand-1), var(--border));
}
.timeline-marker {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  z-index: 1;
}
.timeline-item:last-child .timeline-marker {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
}
.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  margin-top: 0.5rem;
}
.timeline-content p { color: var(--text-soft); }

/* ---------- Playground ---------- */
.playground {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.pg-controls {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem;
  position: sticky;
  top: 90px;
}
.pg-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  display: block;
  margin-bottom: 0.9rem;
}
.pg-tasks { display: grid; gap: 0.6rem; margin-bottom: 1.4rem; }
.pg-task {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  width: 100%;
}
.pg-task:hover { border-color: var(--border-strong); color: var(--text); }
.pg-task.is-active {
  border-color: transparent;
  background: var(--surface-2);
  color: var(--text);
  box-shadow: inset 3px 0 0 0 var(--brand-2);
}
.pg-task-icon { font-size: 1.1rem; }
.pg-buttons { display: flex; gap: 0.6rem; margin-bottom: 1.4rem; }
.pg-buttons .btn { flex: 1; justify-content: center; }
.pg-meta {
  display: grid;
  gap: 0.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}
.pg-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.pg-meta-row strong { color: var(--text); font-family: var(--font-mono); }

.pg-console {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-soft) 85%, transparent);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.pg-console-bar { background: var(--surface); }
.pg-console-body {
  padding: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.8;
  min-height: 440px;
  max-height: 560px;
  overflow-y: auto;
}
.pg-placeholder {
  height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-dim);
  text-align: center;
}
.pg-placeholder-mark {
  font-size: 3rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: float 3s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-10px); } }

.pg-step {
  margin-bottom: 1rem;
  animation: fade-up 0.4s var(--ease);
  padding-left: 1.4rem;
  position: relative;
}
.pg-step-head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.2rem; }
.pg-step::before {
  content: "";
  position: absolute;
  left: 3px; top: 8px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--brand-1);
}
.pg-step-tag {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.12rem 0.5rem;
  border-radius: 5px;
  font-weight: 600;
}
.tag-think { background: color-mix(in srgb, var(--brand-1) 22%, transparent); color: var(--brand-1); }
.tag-tool { background: color-mix(in srgb, var(--brand-2) 20%, transparent); color: var(--brand-2); }
.tag-done { background: color-mix(in srgb, #4ade80 22%, transparent); color: #4ade80; }
.pg-step-title { color: var(--text); font-weight: 500; }
.pg-step-body { color: var(--text-soft); font-size: 0.82rem; padding-left: 0.1rem; }
.pg-step-body .code { color: var(--brand-2); }
.pg-result {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, #4ade80 10%, transparent);
  border: 1px solid color-mix(in srgb, #4ade80 30%, transparent);
  color: var(--text);
  animation: fade-up 0.5s var(--ease);
}
.pg-result strong { color: #4ade80; }

@media (max-width: 800px) {
  .playground { grid-template-columns: 1fr; }
  .pg-controls { position: static; }
}

/* ---------- Loop ---------- */
.loop {
  display: flex;
  align-items: stretch;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
}
.loop-node {
  flex: 1;
  min-width: 180px;
  padding: 1.8rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.loop-node:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.loop-node-icon {
  width: 56px; height: 56px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
}
.loop-node-final .loop-node-icon { background: var(--grad); color: #fff; border-color: transparent; }
.loop-node h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.4rem; }
.loop-node p { color: var(--text-soft); font-size: 0.9rem; }
.loop-arrow {
  align-self: center;
  font-size: 1.5rem;
  color: var(--brand-1);
  font-weight: 700;
}
.loop-arrow-back { color: var(--brand-3); }
@media (max-width: 720px) {
  .loop-arrow { transform: rotate(90deg); }
}

/* ---------- About ---------- */
.about {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.about-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem 1.6rem;
  text-align: center;
  position: sticky;
  top: 90px;
  min-width: 0;
}
.about-avatar {
  width: 88px; height: 88px;
  margin: 0 auto 1.1rem;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: 0.02em;
  color: #fff;
  background: var(--grad);
  background-size: 200% 200%;
  animation: grad-shift 6s ease infinite;
  box-shadow: 0 12px 30px -10px rgba(124, 92, 255, 0.6);
}
.about-id strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}
.about-role {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-soft);
}
.about-links {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}
.about-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: transform 0.3s var(--ease), background 0.3s;
}
.about-link:hover { transform: translateY(-2px); background: var(--surface-2); }
.about-body { padding-top: 0.5rem; min-width: 0; overflow-wrap: break-word; }
.about-lead {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.5;
  margin-bottom: 1.2rem;
}
.about-lead em { font-style: normal; font-weight: 600; color: var(--brand-2); }
.about-lead strong {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about-body > p { color: var(--text-soft); font-size: 1.05rem; margin-bottom: 1.6rem; }
.about-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.about-tag {
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-mono);
}
@media (max-width: 800px) {
  .about { grid-template-columns: 1fr; }
  .about-card { position: static; }
}

/* ---------- CTA band ---------- */
.cta-band {
  max-width: var(--maxw);
  margin: 0 auto 4rem;
  padding: 0 clamp(1rem, 5vw, 2rem);
}
.cta-inner {
  border-radius: 28px;
  padding: clamp(3rem, 8vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--brand-1) 40%, transparent), transparent 50%),
    radial-gradient(circle at 80% 80%, color-mix(in srgb, var(--brand-2) 40%, transparent), transparent 50%),
    var(--surface-2);
  border: 1px solid var(--border-strong);
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.cta-inner p { color: var(--text-soft); font-size: 1.1rem; max-width: 520px; margin: 0 auto 2rem; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem clamp(1rem, 5vw, 2rem);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}
.footer-note { color: var(--text-soft); font-size: 0.9rem; }
.footer-copy { color: var(--text-dim); font-size: 0.82rem; }

/* ---------- Cursor glow ---------- */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 460px; height: 460px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand-1) 26%, transparent), transparent 62%);
  filter: blur(28px);
  will-change: left, top;
}
.cursor-glow.on { opacity: 1; }

/* ---------- FX / confetti canvas ---------- */
#fx-canvas {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translate(-50%, 140%);
  z-index: 300;
  padding: 0.85rem 1.4rem;
  border-radius: 100px;
  background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transition: transform 0.5s var(--ease), opacity 0.5s var(--ease);
  pointer-events: none;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast .toast-mark {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}

/* ---------- 3D tilt ---------- */
.tilt {
  transform-style: preserve-3d;
  transition: transform 0.25s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
  will-change: transform;
}
.tilt-glare {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(circle at var(--gx, 50%) var(--gy, 50%), rgba(255, 255, 255, 0.14), transparent 45%);
  z-index: 3;
}
.tilt:hover .tilt-glare { opacity: 1; }

/* Animated ring on the avatar */
.about-avatar { position: relative; }
.about-avatar::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 30px;
  padding: 3px;
  background: conic-gradient(from 0deg, var(--brand-1), var(--brand-2), var(--brand-3), var(--brand-1));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: spin 5s linear infinite;
  opacity: 0.9;
}

/* Magnetic buttons get a smoother settle */
.btn { will-change: transform; }

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

/* ---------- 404 page ---------- */
.nf {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  gap: 1.2rem;
}
.nf-code {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(5rem, 22vw, 12rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  background: var(--grad);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: grad-shift 6s ease infinite;
}
.nf h1 { font-family: var(--font-display); font-size: clamp(1.4rem, 4vw, 2.2rem); letter-spacing: -0.02em; }
.nf p { color: var(--text-soft); max-width: 42ch; }
.nf code { font-family: var(--font-mono); color: var(--brand-2); font-size: 0.9rem; }

/* ---------- Projects ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
.project-card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.8rem;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.project-card:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.project-featured { grid-column: 1 / -1; }
.project-featured::before {
  content: "";
  position: absolute;
  top: -40%; right: -10%;
  width: 380px; height: 380px;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand-1) 20%, transparent), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}
.project-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; position: relative; }
.project-badge {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-soft);
  padding: 0.3rem 0.7rem; border-radius: 100px;
  border: 1px solid var(--border-strong); background: var(--surface);
}
.project-links { display: flex; gap: 0.9rem; }
.project-links a { color: var(--brand-2); text-decoration: none; font-size: 0.88rem; font-weight: 600; }
.project-links a:hover { text-decoration: underline; }
.project-card h3 { font-family: var(--font-display); font-size: 1.4rem; letter-spacing: -0.02em; margin-bottom: 0.5rem; position: relative; }
.project-card > p { color: var(--text-soft); position: relative; margin-bottom: 1.2rem; }
.project-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; position: relative; }
.project-tags li {
  font-family: var(--font-mono); font-size: 0.76rem;
  color: var(--text-soft);
  padding: 0.28rem 0.7rem; border-radius: 100px;
  border: 1px solid var(--border); background: var(--surface);
}
.project-cta {
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  gap: 0.6rem;
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--brand-3) 18%, transparent), transparent 55%),
    var(--surface);
}
.project-cta-mark {
  font-size: 1.8rem;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.project-cta h3 { font-family: var(--font-display); font-size: 1.3rem; }
.project-cta p { color: var(--text-soft); margin-bottom: 0.4rem; }

@media (max-width: 720px) {
  .projects { grid-template-columns: 1fr; }
}

/* ---------- Contact ---------- */
.contact {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.contact-form {
  display: grid;
  gap: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.8rem;
  min-width: 0;
}
.field { display: grid; gap: 0.4rem; }
.field label {
  font-family: var(--font-mono); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dim);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem; /* 16px keeps iOS from zooming on focus */
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-dim); }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--brand-1);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-1) 22%, transparent);
}
.contact-form .btn { justify-content: center; margin-top: 0.2rem; }
.contact-hint { font-size: 0.8rem; color: var(--text-dim); text-align: center; }
.contact-side {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.8rem;
  min-width: 0;
}
.contact-side h3 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 1rem; }
.contact-links { display: grid; gap: 0.7rem; }
.contact-link {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  font-family: var(--font-body);
  cursor: pointer;
  text-align: left;
  word-break: break-word;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s;
}
.contact-link:hover { transform: translateX(3px); background: var(--surface-2); border-color: var(--border-strong); }
.contact-note { color: var(--text-dim); font-size: 0.85rem; margin-top: 1rem; }

@media (max-width: 760px) {
  .contact { grid-template-columns: 1fr; }
}

/* Let the playground grid tracks shrink on very narrow phones (no 320px overflow) */
.pg-controls, .pg-console { min-width: 0; }
.pg-console-body { overflow-wrap: anywhere; }

/* ---------- Theme depth & light-mode polish ---------- */
:root { --card-shadow: 0 16px 44px -26px rgba(0, 0, 0, 0.8); }
[data-theme="light"] {
  --bg: #eceef6;
  --bg-soft: #ffffff;
  --surface: rgba(20, 20, 55, 0.045);
  --surface-2: rgba(20, 20, 55, 0.075);
  --border: rgba(20, 20, 55, 0.12);
  --border-strong: rgba(20, 20, 55, 0.2);
  --card-shadow: 0 18px 44px -22px rgba(40, 30, 90, 0.24), 0 3px 10px -4px rgba(40, 30, 90, 0.12);
}

/* Resting depth on the main cards (both themes) */
.cap-panel,
.stat,
.about-card,
.project-card,
.contact-form,
.contact-side,
.loop-node,
.terminal { box-shadow: var(--card-shadow); }

/* Form inputs get subtle definition in light mode */
.contact-form input,
.contact-form textarea { box-shadow: inset 0 1px 2px rgba(20, 20, 55, 0.05); }

/* Honeypot (hidden from humans) */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0; overflow: hidden;
}

/* "What happens next" steps */
.contact-steps { list-style: none; display: grid; gap: 0.85rem; margin-bottom: 1rem; }
.contact-steps li { display: flex; align-items: center; gap: 0.7rem; color: var(--text-soft); font-size: 0.92rem; }
.cs-num {
  width: 24px; height: 24px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  color: #fff; background: var(--grad);
}

/* Form status colors */
.cf-error { color: #f65ca0; }
.cf-success { color: #4ade80; }