/* ===================================
   ROBOCLAW LANDING PAGE — STYLES
   =================================== */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Core palette */
  --bg:          #09090b;
  --bg-subtle:   #0f0f13;
  --bg-card:     #141419;
  --bg-elevated: #1a1a22;

  --text:        #fafafa;
  --text-muted:  #a1a1aa;
  --text-dim:    #71717a;

  --border:      #27272a;
  --border-light:#3f3f46;

  /* Accent gradients */
  --accent-1:    #6366f1; /* indigo */
  --accent-2:    #8b5cf6; /* violet */
  --accent-3:    #06b6d4; /* cyan */
  --accent-4:    #10b981; /* emerald */

  --gradient-primary: linear-gradient(135deg, var(--accent-1), var(--accent-3));
  --gradient-warm:    linear-gradient(135deg, var(--accent-2), #f43f5e);
  --gradient-cool:    linear-gradient(135deg, var(--accent-3), var(--accent-4));

  /* Sizing */
  --container: 1280px;
  --nav-h: 80px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.3s;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100vw;
}

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

img {
  max-width: 100%;
  display: block;
}

/* ---------- CONTAINER ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  border-radius: var(--radius);
  white-space: nowrap;
}

.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-xl { padding: 16px 32px; font-size: 17px; }

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--border-light);
  background: var(--bg-card);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-1);
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(9, 9, 11, 0.88);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
  box-shadow: 0 10px 30px rgba(0,0,0,0.22);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  height: var(--nav-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  flex-shrink: 0;
  white-space: nowrap;
}
.logo-icon { font-size: 26px; width: 42px; height: 42px; border-radius: 12px; object-fit: contain; }
.logo-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--gradient-primary);
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  list-style: none;
  gap: clamp(12px, 1.45vw, 24px);
  min-width: 0;
}
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--duration) var(--ease);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-actions .btn-sm { padding: 8px 16px; font-size: 13px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all var(--duration) var(--ease);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 12px);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  max-width: 100vw;
  height: 800px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 5vw, 84px);
  align-items: center;
  padding-top: 44px;
  padding-bottom: 64px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-1);
  margin-bottom: 20px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-4);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.62;
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 28px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-trust {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.trust-logos {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  row-gap: 6px;
}
.trust-item {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.trust-divider {
  color: var(--text-dim);
}

/* Terminal */
.terminal-window {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 100%;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.03),
    0 20px 60px rgba(0,0,0,0.5);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.terminal-title {
  font-size: 12px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.terminal-body {
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 2;
}

.terminal-line {
  opacity: 0;
  animation: termFadeIn 0.4s var(--ease) forwards;
}
.terminal-line:first-child { animation-delay: 0.2s; }
.fade-in-1  { animation-delay: 0.6s; }
.fade-in-2  { animation-delay: 1.0s; }
.fade-in-3  { animation-delay: 1.5s; }
.fade-in-4  { animation-delay: 1.9s; }
.fade-in-5  { animation-delay: 2.4s; }
.fade-in-6  { animation-delay: 2.8s; }
.fade-in-7  { animation-delay: 3.3s; }
.fade-in-8  { animation-delay: 3.7s; }
.fade-in-9  { animation-delay: 4.2s; }
.fade-in-10 { animation-delay: 4.7s; }
.fade-in-11 { animation-delay: 5.2s; }

@keyframes termFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.t-prompt  { color: var(--accent-4); }
.t-cmd     { color: var(--accent-1); font-weight: 600; }
.t-flag    { color: var(--accent-2); }
.t-arg     { color: var(--text-muted); }
.t-info    { color: var(--accent-3); }
.t-success { color: var(--accent-4); }
.t-highlight { color: #f59e0b; }
.t-bold    { font-weight: 600; }
.t-green   { color: var(--accent-4); }

/* ---------- Studio Showcase (Hero Image) ---------- */
.studio-showcase {
  position: relative;
  width: 100%;
  perspective: 2200px;
}

.studio-glow-ring {
  position: absolute;
  inset: -40px -60px;
  background:
    radial-gradient(60% 60% at 30% 30%, rgba(99,102,241,0.35), transparent 70%),
    radial-gradient(60% 60% at 70% 70%, rgba(6,182,212,0.30), transparent 70%);
  filter: blur(48px);
  opacity: 0.9;
  z-index: 0;
  pointer-events: none;
  animation: studioGlow 8s ease-in-out infinite alternate;
}

@keyframes studioGlow {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-12px, 8px, 0) scale(1.04); }
}

.studio-window {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, rgba(20,22,38,0.92), rgba(15,17,30,0.92));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(99,102,241,0.18),
    0 30px 80px -20px rgba(0,0,0,0.7),
    0 16px 40px -12px rgba(99,102,241,0.25);
  transform: rotateX(4deg) rotateY(-6deg) rotateZ(0.4deg);
  transform-origin: center center;
  transition: transform 0.6s cubic-bezier(.22,.9,.3,1.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.studio-showcase:hover .studio-window {
  transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) translateY(-4px);
}

.studio-window-chrome {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: linear-gradient(180deg, rgba(28,30,46,0.95), rgba(20,22,36,0.95));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.studio-dots {
  display: flex;
  gap: 7px;
  flex-shrink: 0;
}

.studio-url {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  max-width: 360px;
  margin: 0 auto;
}

.studio-url svg {
  color: var(--accent-4);
  flex-shrink: 0;
}

.studio-live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.studio-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-4);
  box-shadow: 0 0 0 0 rgba(16,185,129,0.6);
  animation: pulse 2s infinite;
}

.studio-screenshot-wrap {
  position: relative;
  background: #0a0c14;
  overflow: hidden;
}

.studio-screenshot {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: top left;
}

.studio-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 30%, transparent 70%, rgba(99,102,241,0.06) 100%);
  pointer-events: none;
  mix-blend-mode: screen;
}

/* Floating callouts */
.studio-callout {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(20,22,38,0.92);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: 12px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04),
    0 10px 30px -8px rgba(0,0,0,0.5),
    0 4px 12px -2px rgba(99,102,241,0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: calloutFloat 6s ease-in-out infinite;
  white-space: nowrap;
}

.callout-1 {
  top: 18%;
  left: -28px;
  animation-delay: 0s;
}

.callout-2 {
  top: 50%;
  right: -36px;
  animation-delay: 1.5s;
}

.callout-3 {
  bottom: 14%;
  left: -20px;
  animation-delay: 3s;
}

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

.callout-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-4);
  box-shadow: 0 0 8px rgba(16,185,129,0.6);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.callout-icon {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: white;
  flex-shrink: 0;
}

.callout-body {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
}

.callout-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}

.callout-meta {
  font-size: 10.5px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero-scroll-indicator span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-1), transparent);
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ---------- SECTIONS (shared) ---------- */
.section {
  padding: 120px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-1);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
}

.strike-through {
  text-decoration: line-through;
  text-decoration-color: #ef4444;
  text-decoration-thickness: 3px;
}

/* ---------- PROBLEM ---------- */
.section-problem {
  background: var(--bg-subtle);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.problem-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
}
.problem-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.problem-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.problem-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- FEATURES ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
}
.feature-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.feature-large {
  grid-column: span 3;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto auto;
  gap: 12px 24px;
  padding: 40px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(6, 182, 212, 0.05));
  border-color: rgba(99, 102, 241, 0.15);
}

.feature-badge {
  grid-column: 1 / -1;
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-1);
  background: rgba(99, 102, 241, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  width: fit-content;
  margin-bottom: 8px;
}

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-1);
  margin-bottom: 16px;
  flex-shrink: 0;
}
.feature-icon-wrap.cyan     { background: rgba(6,182,212,0.1);  color: var(--accent-3); }
.feature-icon-wrap.violet   { background: rgba(139,92,246,0.1); color: var(--accent-2); }
.feature-icon-wrap.emerald  { background: rgba(16,185,129,0.1); color: var(--accent-4); }
.feature-icon-wrap.amber    { background: rgba(245,158,11,0.1); color: #f59e0b; }
.feature-icon-wrap.rose     { background: rgba(244,63,94,0.1);  color: #f43f5e; }
.feature-icon-wrap.sky      { background: rgba(14,165,233,0.1); color: #0ea5e9; }
.feature-icon-wrap.indigo   { background: rgba(99,102,241,0.1); color: var(--accent-1); }
.feature-icon-wrap.teal     { background: rgba(20,184,166,0.1); color: #14b8a6; }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-detail {
  grid-column: 1 / -1;
  margin-top: 8px;
}
.feature-detail code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent-4);
  background: rgba(16, 185, 129, 0.08);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* ---------- HOW IT WORKS (Pipeline) ---------- */
.section-how {
  background: var(--bg-subtle);
}

.pipeline {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.pipeline-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding-bottom: 48px;
}
.pipeline-step:last-child { padding-bottom: 0; }

.step-number {
  font-size: 14px;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-dim);
  padding-top: 14px;
  width: 30px;
  flex-shrink: 0;
}

.step-content {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  flex: 1;
  transition: all var(--duration) var(--ease);
}
.step-content:hover {
  border-color: var(--border-light);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.step-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.step-icon.rag                { background: rgba(99,102,241,0.1);  color: var(--accent-1); }
.step-icon.anti-hallucination { background: rgba(244,63,94,0.1);   color: #f43f5e; }
.step-icon.reuse              { background: rgba(16,185,129,0.1);  color: var(--accent-4); }
.step-icon.locator            { background: rgba(6,182,212,0.1);   color: var(--accent-3); }
.step-icon.learning           { background: rgba(139,92,246,0.1);  color: var(--accent-2); }

.step-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-connector {
  position: absolute;
  left: 15px;
  top: 60px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--border-light), transparent);
}

/* ---------- AGENTS ---------- */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.agent-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--duration) var(--ease);
}
.agent-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.agent-avatar {
  font-size: 40px;
  margin-bottom: 12px;
}

.agent-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.agent-role {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.agent-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- PLATFORMS ---------- */
.section-platforms {
  background: var(--bg-subtle);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.platform-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--duration) var(--ease);
}
.platform-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.platform-icon {
  color: var(--text-muted);
  margin: 0 auto 16px;
}

.platform-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.platform-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.platform-tags span {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(99, 102, 241, 0.08);
  color: var(--accent-1);
  border-radius: 20px;
}

/* ---------- METRICS ---------- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.metric-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--duration) var(--ease);
}
.metric-card:hover {
  border-color: var(--accent-1);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
}

.metric-value {
  font-size: 56px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.metric-unit {
  font-size: 36px;
}

.metric-label {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.metric-detail {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- CODE SHOWCASE ---------- */
.section-showcase {
  background: var(--bg-subtle);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.showcase-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.showcase-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-1);
}
.showcase-dot.green { background: var(--accent-4); }

.showcase-title {
  font-size: 13px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

.showcase-tag {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-1);
  border-radius: 20px;
}

.showcase-code {
  padding: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--text-muted);
}

.showcase-code .kw   { color: var(--accent-2); font-weight: 600; }
.showcase-code .attr  { color: var(--accent-3); }
.showcase-code .name  { color: var(--accent-4); font-weight: 600; }
.showcase-code .var   { color: #f59e0b; }
.showcase-code .cmt   { color: var(--text-dim); font-style: italic; }

/* ---------- ARCHITECTURE ---------- */
.arch-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 6px;
  margin-bottom: 64px;
  overflow-x: auto;
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  padding: 16px 10px;
  min-width: 0;
  flex: 1 1 0;
  max-width: 150px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
}
.arch-node:hover { border-color: var(--border-light); }
.arch-node.highlight {
  border-color: var(--accent-1);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}
.arch-node.success {
  border-color: var(--accent-4);
  background: rgba(16, 185, 129, 0.05);
}

.arch-node-icon { font-size: 24px; flex-shrink: 0; }
.arch-node span {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.3;
  word-break: break-word;
}

.arch-arrow {
  font-size: 18px;
  color: var(--text-dim);
  font-weight: 300;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.arch-substeps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.arch-sub {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.arch-sub h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.arch-sub p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---------- DOCS / GUIDES SECTION ---------- */
.section-docs {
  padding: 80px 0;
  position: relative;
}
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.doc-card {
  display: flex;
  flex-direction: column;
  padding: 24px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text);
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.doc-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
  pointer-events: none;
}
.doc-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.doc-card:hover::before { opacity: 1; }

.doc-card-featured {
  border-color: rgba(99,102,241,0.4);
  background: linear-gradient(180deg, rgba(99,102,241,0.08), var(--bg-card));
}
.doc-card-featured:hover { border-color: var(--accent-1); }

.doc-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.doc-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99,102,241,0.12);
  color: var(--accent-1);
  border-radius: 12px;
}
.doc-card-icon.cyan    { background: rgba(6,182,212,0.12);  color: var(--accent-3); }
.doc-card-icon.violet  { background: rgba(139,92,246,0.12); color: var(--accent-2); }
.doc-card-icon.emerald { background: rgba(16,185,129,0.12); color: var(--accent-4); }
.doc-card-icon.amber   { background: rgba(245,158,11,0.12); color: #f59e0b; }
.doc-card-icon.rose    { background: rgba(244,63,94,0.12);  color: #f43f5e; }
.doc-card-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.doc-card-featured .doc-card-pill {
  background: rgba(99,102,241,0.15);
  border-color: rgba(99,102,241,0.4);
  color: var(--accent-1);
}
.doc-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
  position: relative;
  z-index: 1;
}
.doc-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
  position: relative;
  z-index: 1;
}
.doc-card p code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 1px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--accent-3);
}
.doc-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-3);
  position: relative;
  z-index: 1;
  transition: gap var(--duration) var(--ease);
  display: inline-flex;
  gap: 4px;
}
.doc-card:hover .doc-card-link {
  color: var(--accent-1);
  gap: 8px;
}

@media (max-width: 600px) {
  .docs-grid { grid-template-columns: 1fr; }
}

/* ---------- CTA ---------- */
.section-cta {
  padding: 64px 0 120px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}
.cta-content p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.cta-install {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.cta-install-label {
  font-size: 13px;
  color: var(--text-dim);
}
.cta-install-cmd {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
}
.cta-install-cmd code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--accent-3);
}
.copy-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  transition: color var(--duration) var(--ease);
}
.copy-btn:hover { color: var(--text); }

/* CTA Steps */
.cta-steps {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.cta-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.cta-step strong {
  color: var(--text);
}

/* ---------- FOOTER ---------- */

/* ========== ABOUT SECTION ========== */
.section-about {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.about-glow {
  position: absolute;
  top: 200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* --- Origin Story --- */
.about-origin {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 80px;
  padding: 48px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.04), rgba(6, 182, 212, 0.04));
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: var(--radius-lg);
}

.about-origin-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-1);
  background: rgba(99, 102, 241, 0.1);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.about-origin-badge svg {
  stroke: var(--accent-1);
}

.about-origin-content h3 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-origin-content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-origin-content p strong {
  color: var(--text);
  font-weight: 600;
}

/* --- Timeline --- */
.about-timeline {
  position: relative;
  padding-left: 28px;
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-3), var(--accent-4));
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-1);
  flex-shrink: 0;
  margin-left: -28px;
  margin-top: 2px;
  z-index: 1;
}

.timeline-dot.active {
  background: var(--accent-1);
}

.timeline-dot.current {
  background: var(--accent-4);
  border-color: var(--accent-4);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
}

.timeline-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.timeline-date {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-3);
  font-family: 'JetBrains Mono', monospace;
}

.timeline-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Mission & Vision --- */
.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.about-mission-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
  text-align: center;
}

.about-mission-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-mission-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-1);
  margin: 0 auto 20px;
}

.about-mission-icon.vision {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-3);
}

.about-mission-icon.values {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-4);
}

.about-mission-card h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.about-mission-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Sub-Heading --- */
.about-sub-heading {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.2;
}

/* --- Differentiators --- */
.about-differentiators {
  margin-bottom: 80px;
}

.about-diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.about-diff-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
}

.about-diff-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
}

.about-diff-vs {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.about-diff-bad,
.about-diff-good {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.about-diff-bad {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.about-diff-good {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-4);
}

.about-diff-icon {
  font-size: 13px;
}

.about-diff-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.about-diff-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Technology Stack --- */
.about-tech {
  margin-bottom: 80px;
}

.about-tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.about-tech-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
}

.about-tech-item:hover {
  border-color: var(--border-light);
  background: var(--bg-elevated);
}

.about-tech-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-1);
  flex-shrink: 0;
}

.about-tech-icon.cyan    { background: rgba(6, 182, 212, 0.1); color: var(--accent-3); }
.about-tech-icon.violet  { background: rgba(139, 92, 246, 0.1); color: var(--accent-2); }
.about-tech-icon.emerald { background: rgba(16, 185, 129, 0.1); color: var(--accent-4); }
.about-tech-icon.amber   { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.about-tech-icon.rose    { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.about-tech-icon.sky     { background: rgba(14, 165, 233, 0.1); color: #0ea5e9; }
.about-tech-icon.teal    { background: rgba(20, 184, 166, 0.1); color: #14b8a6; }

.about-tech-info h5 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.about-tech-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- By The Numbers --- */
.about-numbers {
  margin-bottom: 80px;
}

.about-numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.about-num-card {
  padding: 28px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--duration) var(--ease);
}

.about-num-card:hover {
  border-color: var(--accent-1);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.1);
}

.about-num-value {
  font-size: 40px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}

.about-num-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.about-num-detail {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.4;
}

/* --- Creator --- */
.about-creator-card {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 40px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-lg);
}

.about-creator-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-creator-avatar span {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}

.about-creator-info h4 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 2px;
}

.about-creator-role {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-3);
  display: block;
  margin-bottom: 12px;
}

.about-creator-info p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-creator-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-creator-tags span {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-1);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

/* --- About Responsive --- */
@media (max-width: 1024px) {
  .about-origin { grid-template-columns: 1fr; }
  .about-diff-grid { grid-template-columns: 1fr; }
  .about-tech-grid { grid-template-columns: 1fr; }
  .about-numbers-grid { grid-template-columns: repeat(3, 1fr); }
  .about-mission-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .about-origin { padding: 24px; margin-bottom: 48px; gap: 32px; }
  .about-origin-content h3 { font-size: 22px; }
  .about-origin-content p { font-size: 14px; }
  .about-numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .about-num-card { padding: 20px 16px; }
  .about-num-value { font-size: 32px; }
  .about-num-label { font-size: 13px; }
  .about-num-detail { font-size: 11px; }
  .about-creator-card { flex-direction: column; align-items: center; text-align: center; padding: 24px; gap: 20px; }
  .about-creator-avatar { width: 64px; height: 64px; }
  .about-creator-avatar span { font-size: 22px; }
  .about-creator-info h4 { font-size: 20px; }
  .about-creator-info p { font-size: 14px; }
  .about-creator-tags { justify-content: center; }
  .about-mission-card { padding: 28px 22px; }
  .about-mission-card h4 { font-size: 18px; }
  .about-mission-icon { width: 52px; height: 52px; }
  .about-diff-card { padding: 24px; }
  .about-diff-card h4 { font-size: 16px; }
  .about-diff-card p { font-size: 13px; }
  .about-tech-item { padding: 18px; gap: 14px; }
  .about-tech-icon { width: 40px; height: 40px; }
  .about-tech-info h5 { font-size: 15px; }
  .about-tech-info p { font-size: 12px; }
  .about-sub-heading { font-size: 22px; margin-bottom: 28px; }
  .about-differentiators { margin-bottom: 48px; }
  .about-tech { margin-bottom: 48px; }
  .about-numbers { margin-bottom: 48px; }
  .timeline-text { font-size: 13px; }
  .timeline-date { font-size: 12px; }
  .timeline-item { margin-bottom: 18px; gap: 12px; }
}

@media (max-width: 480px) {
  .about-origin { padding: 18px; margin-bottom: 36px; }
  .about-origin-content h3 { font-size: 19px; }
  .about-origin-content p { font-size: 13px; line-height: 1.7; }
  .about-numbers-grid { grid-template-columns: 1fr; gap: 12px; }
  .about-num-card { padding: 18px 14px; }
  .about-num-value { font-size: 28px; }
  .about-creator-card { padding: 20px; }
  .about-creator-avatar { width: 56px; height: 56px; }
  .about-creator-avatar span { font-size: 20px; }
  .about-creator-info h4 { font-size: 18px; }
  .about-mission-card { padding: 22px 18px; }
  .about-diff-card { padding: 20px; }
  .about-tech-item { padding: 16px; }
  .about-sub-heading { font-size: 20px; }
  .timeline-text { font-size: 12px; }
  .about-creator-tags span { font-size: 11px; padding: 3px 10px; }
}

/* ---------- FOOTER ---------- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--duration) var(--ease);
}
.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
}

/* ========== DEMO / STUDIO PREVIEW SECTION ========== */
.section-demo {
  position: relative;
  overflow: hidden;
  padding-top: 100px;
  padding-bottom: 120px;
}

.demo-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 1100px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.18) 0%, rgba(6,182,212,0.10) 35%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.demo-showcase {
  position: relative;
  max-width: 1100px;
  margin: 60px auto 0;
  perspective: 2400px;
  z-index: 1;
}

.demo-glow-ring {
  position: absolute;
  inset: -50px -70px;
  background:
    radial-gradient(60% 60% at 25% 30%, rgba(99,102,241,0.4), transparent 70%),
    radial-gradient(60% 60% at 75% 70%, rgba(6,182,212,0.35), transparent 70%);
  filter: blur(60px);
  opacity: 0.85;
  z-index: 0;
  pointer-events: none;
  animation: studioGlow 9s ease-in-out infinite alternate;
}

.demo-window {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, rgba(20,22,38,0.94), rgba(15,17,30,0.94));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(99,102,241,0.18),
    0 40px 100px -25px rgba(0,0,0,0.75),
    0 20px 50px -12px rgba(99,102,241,0.28);
  transform: rotateX(3deg) rotateY(0deg);
  transform-origin: center center;
  transition: transform 0.6s cubic-bezier(.22,.9,.3,1.2), box-shadow 0.6s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.demo-showcase:hover .demo-window {
  transform: rotateX(0deg) rotateY(0deg) translateY(-6px);
  box-shadow:
    0 0 0 1px rgba(99,102,241,0.28),
    0 50px 120px -25px rgba(0,0,0,0.8),
    0 24px 60px -12px rgba(99,102,241,0.4);
}

.demo-window-chrome {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: linear-gradient(180deg, rgba(28,30,46,0.95), rgba(20,22,36,0.95));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.demo-dots {
  display: flex;
  gap: 7px;
  flex-shrink: 0;
}

.demo-url {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--text-muted);
  max-width: 460px;
  margin: 0 auto;
}

.demo-url svg {
  color: var(--accent-4);
  flex-shrink: 0;
}

.demo-live-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.demo-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-4);
  animation: pulse 2s infinite;
}

.demo-screenshot-wrap {
  position: relative;
  background: #0a0c14;
  overflow: hidden;
}

.demo-screenshot {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: top left;
}

.demo-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 30%, transparent 70%, rgba(99,102,241,0.05) 100%);
  pointer-events: none;
  mix-blend-mode: screen;
}

/* Floating callouts */
.demo-callout {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  background: rgba(20,22,38,0.94);
  border: 1px solid rgba(99,102,241,0.28);
  border-radius: 12px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04),
    0 14px 38px -8px rgba(0,0,0,0.6),
    0 6px 16px -3px rgba(99,102,241,0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: calloutFloat 6s ease-in-out infinite;
  white-space: nowrap;
}

.demo-callout-1 {
  top: 14%;
  left: -32px;
  animation-delay: 0s;
}
.demo-callout-2 {
  top: 48%;
  right: -40px;
  animation-delay: 1.5s;
}
.demo-callout-3 {
  bottom: 12%;
  left: -26px;
  animation-delay: 3s;
}

.demo-callout-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-4);
  box-shadow: 0 0 8px rgba(16,185,129,0.6);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.demo-callout-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: white;
  flex-shrink: 0;
}

.demo-callout-body {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
}

.demo-callout-title {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
}

.demo-callout-meta {
  font-size: 11px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

/* Demo feature strip */
.demo-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 80px auto 0;
}

.demo-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: rgba(20,22,38,0.5);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  transition: all var(--duration) var(--ease);
}

.demo-feature:hover {
  border-color: rgba(99,102,241,0.3);
  background: rgba(20,22,38,0.7);
  transform: translateY(-2px);
}

.demo-feature-icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
}

.demo-feature-text h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text);
}

.demo-feature-text p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0;
}

@keyframes studioGlow {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-12px, 8px, 0) scale(1.04); }
}

@keyframes calloutFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}

/* ========== RESPONSIVE ========== */

/* --- Nav breakpoint: hide links, show hamburger --- */
@media (max-width: 1180px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    width: 100%;
    background: rgba(9, 9, 11, 0.98);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.35);
    padding: 20px 24px 24px;
    gap: 8px;
    z-index: 999;
  }

  .nav-links.active a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 15px;
  }

  .nav-links.active a:hover {
    background: rgba(255,255,255,0.05);
  }
}

/* --- Tablet landscape & small desktop (≤1024px) --- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 44px;
    padding-bottom: 64px;
  }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-cta-group { justify-content: center; }
  .hero-trust { justify-content: center; }

  .studio-window { transform: rotateX(2deg) rotateY(0deg); max-width: 720px; margin: 0 auto; }
  .studio-glow-ring { inset: -30px -30px; }
  .callout-1 { left: 8px; }
  .callout-2 { right: 8px; }
  .callout-3 { left: 8px; }

  .demo-window { transform: rotateX(2deg) rotateY(0deg); max-width: 760px; margin: 0 auto; }
  .demo-glow-ring { inset: -30px -30px; }
  .demo-callout-1 { left: 8px; }
  .demo-callout-2 { right: 8px; }
  .demo-callout-3 { left: 8px; }
  .demo-features { grid-template-columns: repeat(2, 1fr); }

  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-large { grid-column: span 2; }
  .agents-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-grid { grid-template-columns: 1fr; }
  .arch-substeps { grid-template-columns: repeat(2, 1fr); }

  /* QS metrics wrap better */
  .qs-metrics { gap: 32px; flex-wrap: wrap; }

  /* CTA install command wrap */
  .cta-install-cmd { flex-wrap: wrap; justify-content: center; }
  .cta-install-cmd code { font-size: 13px; word-break: break-all; }

  /* Footer links wrap */
  .footer-content { flex-direction: column; text-align: center; gap: 20px; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

/* --- Tablet portrait (≤768px) --- */
@media (max-width: 768px) {
  /* Global overflow & section padding */
  body { overflow-x: hidden; }
  .section { padding: 64px 0; }
  .container { padding: 0 20px; }

  /* Section headers */
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: clamp(24px, 5vw, 36px); }
  .section-desc { font-size: 15px; }
  
  /* Navbar tweaks for < 768px */
  .nav-actions .btn-sm { display: none; }

  /* Hero */
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 24px); padding-bottom: 48px; }
  .hero-title { font-size: clamp(28px, 6vw, 38px); }
  .hero-subtitle { font-size: 16px; line-height: 1.6; }
  .hero-content { min-width: 0; max-width: 100%; box-sizing: border-box; }
  .hero-visual { display: block; margin-top: 32px; min-width: 0; max-width: 100%; box-sizing: border-box; }
  .hero-container { padding-top: 32px; padding-bottom: 48px; min-width: 0; max-width: 100%; }
  .hero-pill { font-size: 12px; padding: 6px 14px; }
  .hero-scroll-indicator { display: none; }

  /* Hero CTA buttons — stack on narrow */
  .hero-cta-group { gap: 12px; }
  .btn { white-space: normal; height: auto; text-align: center; justify-content: center; max-width: 100%; box-sizing: border-box; word-break: break-word; }
  .btn-lg { padding: 12px 16px; font-size: 14px; }
  .btn-xl { padding: 14px 20px; font-size: 14px; }

  /* Trust logos */
  .hero-trust { flex-direction: column; align-items: center; gap: 8px; }
  .trust-logos { justify-content: center; gap: 6px; row-gap: 4px; }
  .trust-item { font-size: 12px; }

  /* Terminal */
  .terminal-body { padding: 16px; font-size: 11px; line-height: 1.8; overflow-x: auto; max-width: 100%; box-sizing: border-box; }
  .terminal-line { white-space: normal; word-break: break-all; }
  .terminal-header { padding: 10px 14px; }
  .terminal-title { font-size: 11px; }

  /* Studio showcase */
  .studio-window { transform: none; border-radius: 12px; }
  .studio-callout { display: none; }
  .studio-glow-ring { inset: -20px -20px; opacity: 0.6; }

  /* Demo section */
  .section-demo { padding-top: 60px; padding-bottom: 64px; }
  .demo-showcase { margin-top: 36px; }
  .demo-window { transform: none; border-radius: 12px; }
  .demo-callout { display: none; }
  .demo-glow-ring { inset: -20px -20px; opacity: 0.6; }
  .demo-features { grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
  .demo-feature { padding: 16px; }

  /* Grids — all single column */
  .problem-grid,
  .features-grid,
  .agents-grid,
  .platforms-grid,
  .metrics-grid { grid-template-columns: 1fr; gap: 16px; }

  .feature-large {
    grid-column: span 1;
    grid-template-columns: 1fr;
    padding: 28px;
  }
  .feature-card { padding: 24px; }
  .problem-card { padding: 24px; }
  .agent-card { padding: 24px; }
  .platform-card { padding: 24px; }
  .metric-card { padding: 28px 20px; }

  /* Code showcase */
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-code { padding: 16px; font-size: 12px; line-height: 1.7; }

  /* Architecture pipeline */
  .arch-flow {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    overflow-x: visible;
  }
  .arch-arrow { transform: rotate(90deg); }
  .arch-node { max-width: 100%; width: 100%; flex-direction: row; padding: 14px 18px; gap: 12px; }
  .arch-node span { text-align: left; font-size: 13px; }
  .arch-substeps { grid-template-columns: 1fr; gap: 16px; }
  .arch-sub { padding: 20px; }

  /* Pipeline */
  .pipeline-step { gap: 16px; padding-bottom: 32px; }
  .step-content { flex-direction: column; padding: 20px; gap: 14px; }

  /* Quick Start */
  .section-quickstart { padding: 60px 0; }
  .quickstart-terminal { margin-top: 28px; }
  .qs-tabs { flex-wrap: wrap; gap: 8px; padding: 10px 14px; max-width: 100%; }
  .qs-platform-tabs { margin-left: 0; margin-top: 4px; max-width: 100%; }
  .qs-terminal-body { padding: 16px; max-width: 100%; }
  .qs-line { font-size: 12px; flex-wrap: wrap; max-width: 100%; box-sizing: border-box; }
  .qs-line code { word-break: break-all; font-size: 12px; white-space: pre-wrap; }
  .qs-metrics { gap: 20px; flex-wrap: wrap; justify-content: center; max-width: 100%; }
  .qs-metric-value { font-size: 32px; }
  .qs-metric-label { font-size: 13px; }
  .qs-actions { flex-direction: column; align-items: center; }

  /* Docs / Guides */
  .section-docs { padding: 60px 0; }
  .docs-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }
  .doc-card { padding: 20px; }
  .doc-card h3 { font-size: 17px; }

  /* CTA */
  .section-cta { padding: 48px 0 80px; }
  .cta-content h2 { font-size: clamp(24px, 5vw, 36px); }
  .cta-content p { font-size: 15px; margin-bottom: 24px; }
  .cta-install-cmd {
    flex-direction: column;
    gap: 8px;
    padding: 10px 16px;
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
  }
  .cta-install-cmd code { font-size: 12px; word-break: break-all; white-space: pre-wrap; }
  .cta-steps { flex-direction: column; gap: 16px; align-items: center; text-align: left; max-width: 100%; }
  .cta-step { font-size: 14px; max-width: 100%; word-break: break-word; }

  /* Metrics */
  .metric-value { font-size: 44px; }
  .metric-unit { font-size: 28px; }

  /* Modals */
  .modal-card { margin: 20px; padding: 32px 24px; max-width: 400px; }
  .license-input { font-size: 18px; letter-spacing: 4px; }

  /* Footer */
  .footer { padding: 32px 0; }
  .footer-content { flex-direction: column; text-align: center; gap: 16px; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 12px; }
  .footer-links a { font-size: 13px; }
}

/* --- Small mobile (≤480px) --- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }

  /* Navbar */
  :root { --nav-h: 64px; }
  .nav-container { gap: 8px; }
  .logo-text { font-size: 16px; }
  .logo-icon { width: 32px; height: 32px; border-radius: 8px; }
  .nav-actions { gap: 6px; }
  .menu-toggle span { width: 20px; }

  /* Hero */
  .hero { padding-top: calc(var(--nav-h) + 16px); }
  .hero-container { padding-top: 20px; padding-bottom: 40px; }
  .hero-pill { font-size: 11px; padding: 5px 12px; gap: 6px; margin-bottom: 14px; }
  .hero-title { font-size: clamp(24px, 7vw, 32px); margin-bottom: 14px; }
  .hero-subtitle { font-size: 14px; line-height: 1.55; margin-bottom: 20px; }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 24px;
  }
  .btn-lg { padding: 12px 18px; font-size: 14px; justify-content: center; }
  .btn-xl { padding: 14px 20px; font-size: 14px; justify-content: center; }
  .trust-item { font-size: 11px; }
  .trust-divider { font-size: 10px; }

  /* Terminal — force text to fit */
  .terminal-body { padding: 12px; font-size: 10px; line-height: 1.7; overflow-x: auto; }
  .terminal-line { white-space: nowrap; }

  /* Section headers */
  .section-header { margin-bottom: 32px; }
  .section-header h2 { font-size: clamp(22px, 6vw, 28px); }
  .section-label { font-size: 11px; margin-bottom: 10px; }
  .section-desc { font-size: 14px; }

  /* Cards — tighter padding */
  .feature-card { padding: 20px; }
  .feature-large { padding: 22px; }
  .feature-card h3 { font-size: 16px; }
  .feature-card p { font-size: 13px; }
  .feature-detail code { font-size: 11px; padding: 6px 12px; word-break: break-all; }
  .feature-icon-wrap { width: 44px; height: 44px; }
  .feature-icon-wrap svg { width: 24px; height: 24px; }
  .feature-badge { font-size: 10px; padding: 3px 10px; }

  .problem-card { padding: 20px; }
  .problem-icon { font-size: 28px; margin-bottom: 12px; }
  .problem-card h3 { font-size: 16px; }
  .problem-card p { font-size: 13px; }

  .agent-card { padding: 20px; }
  .agent-avatar { font-size: 32px; margin-bottom: 8px; }
  .agent-card h3 { font-size: 16px; }
  .agent-card p { font-size: 13px; }

  .platform-card { padding: 20px; }
  .platform-icon svg { width: 36px; height: 36px; }
  .platform-card h3 { font-size: 18px; }
  .platform-card p { font-size: 13px; }

  .metric-card { padding: 24px 16px; }
  .metric-value { font-size: 36px; }
  .metric-unit { font-size: 22px; }
  .metric-label { font-size: 14px; }
  .metric-detail { font-size: 12px; }

  /* Showcase */
  .showcase-header { padding: 10px 14px; }
  .showcase-title { font-size: 11px; }
  .showcase-tag { font-size: 10px; padding: 2px 8px; }
  .showcase-code { padding: 14px; font-size: 11px; line-height: 1.6; }

  /* Architecture */
  .arch-node { padding: 12px 14px; }
  .arch-node-icon { font-size: 20px; }
  .arch-node span { font-size: 12px; }
  .arch-sub { padding: 16px; }
  .arch-sub h4 { font-size: 14px; }
  .arch-sub p { font-size: 12px; }

  /* Pipeline */
  .step-number { font-size: 12px; width: 24px; padding-top: 10px; }
  .step-icon { width: 40px; height: 40px; }
  .step-icon svg { width: 22px; height: 22px; }
  .step-content { padding: 16px; }
  .step-content h3 { font-size: 15px; }
  .step-content p { font-size: 13px; }
  .step-connector { left: 12px; }

  /* Quick Start */
  .section-quickstart { padding: 48px 0; }
  .qs-tabs { flex-direction: column; gap: 6px; padding: 8px 12px; }
  .qs-platform-tabs { margin-left: 0; width: 100%; }
  .qs-platform { flex: 1; text-align: center; }
  .qs-terminal-body { padding: 12px; }
  .qs-line { font-size: 11px; }
  .qs-line code { font-size: 11px; }
  .qs-metrics { gap: 16px; }
  .qs-metric-value { font-size: 28px; }
  .qs-metric-label { font-size: 12px; }
  .qs-actions .btn-lg span { font-size: 13px; }

  /* Docs */
  .doc-card { padding: 18px; }
  .doc-card h3 { font-size: 16px; }
  .doc-card p { font-size: 13px; margin-bottom: 12px; }
  .doc-card-icon { width: 40px; height: 40px; }
  .doc-card-icon svg { width: 22px; height: 22px; }
  .doc-card-pill { font-size: 10px; padding: 3px 8px; }
  .doc-card-link { font-size: 13px; }

  /* CTA */
  .section-cta { padding: 40px 0 64px; }
  .cta-content h2 { font-size: clamp(22px, 5.5vw, 30px); }
  .cta-content p { font-size: 14px; }
  .cta-install-cmd code { font-size: 11px; }
  .cta-step { font-size: 13px; }
  .cta-step-num { width: 24px; height: 24px; font-size: 11px; }

  /* Demo */
  .demo-window-chrome { padding: 10px 12px; gap: 10px; }
  .demo-url { font-size: 10px; padding: 5px 10px; }
  .demo-live-pill { font-size: 10px; padding: 3px 8px; }
  .demo-feature-icon { font-size: 22px; }
  .demo-feature-text h4 { font-size: 14px; }
  .demo-feature-text p { font-size: 12px; }

  /* Modals */
  .modal-card { margin: 12px; padding: 24px 18px; max-width: calc(100vw - 24px); }
  .modal-card h3 { font-size: 20px; }
  .modal-desc { font-size: 13px; }
  .license-input { font-size: 16px; letter-spacing: 3px; padding: 12px 14px; }
  .modal-icon { width: 60px; height: 60px; }
  .modal-icon svg { width: 36px; height: 36px; }
}

/* ========== QUICK START SECTION ========== */
.section-quickstart {
  padding: 80px 0;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.quickstart-terminal {
  max-width: 780px;
  margin: 40px auto 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: #0c0c10;
  overflow: hidden;
}

.qs-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.qs-tab {
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

.qs-tab.active {
  background: var(--accent-3);
  color: #000;
  border-color: var(--accent-3);
  font-weight: 600;
}

.qs-tab:hover:not(.active) {
  color: var(--text);
}

.qs-platform-tabs {
  margin-left: auto;
  display: flex;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.qs-platform {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

.qs-platform.active {
  background: var(--accent-3);
  color: #000;
  font-weight: 600;
}

.qs-terminal-body {
  padding: 20px 24px;
  min-height: 80px;
}

.qs-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 2;
  display: flex;
  align-items: center;
  gap: 8px;
}

.qs-comment {
  color: var(--text-dim);
}

.qs-prompt {
  color: var(--accent-3);
  font-weight: 600;
  user-select: none;
}

.qs-line code {
  color: var(--text);
  background: none;
  flex: 1;
}

.qs-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.qs-metrics {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 40px;
}

.qs-metric {
  text-align: center;
}

.qs-metric-value {
  display: block;
  font-size: 42px;
  font-weight: 800;
  background: var(--gradient-cool);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.qs-metric-label {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ========== LICENSE & DOWNLOAD MODALS ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  position: relative;
  animation: modalSlideUp 0.35s var(--ease);
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
  transition: color var(--duration) var(--ease);
}

.modal-close:hover {
  color: var(--text);
}

.modal-icon {
  margin: 0 auto 20px;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-icon-success {
  background: rgba(16, 185, 129, 0.1);
}

.modal-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.license-input-wrap {
  margin-bottom: 20px;
}

.license-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 6px;
  text-transform: uppercase;
  outline: none;
  transition: border-color var(--duration) var(--ease);
}

.license-input:focus {
  border-color: var(--accent-1);
}

.license-input.shake {
  animation: inputShake 0.4s;
}

@keyframes inputShake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-8px); }
  40%      { transform: translateX(8px); }
  60%      { transform: translateX(-6px); }
  80%      { transform: translateX(6px); }
}

.license-input.error {
  border-color: #ef4444;
}

.license-error {
  color: #ef4444;
  font-size: 13px;
  margin-top: 8px;
  display: none;
}

.license-error.visible {
  display: block;
}

.modal-btn {
  width: 100%;
  justify-content: center;
}

.download-size {
  color: var(--text-dim);
  font-size: 12px;
  margin-top: 12px;
}