/* ═══════════════════════════════════════════════════════════════════════════
   Pro Diagram — Marketing Site Styles (Enhanced)
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --bg:        #06080d;
  --surface:   #0d1117;
  --surface-2: #161b22;
  --surface-3: #1c2128;
  --border:    #1b2029;
  --border-2:  #30363d;
  --text:      #e6edf3;
  --text-2:    #8b949e;
  --text-3:    #6e7681;
  --blue:      #58a6ff;
  --green:     #7ee787;
  --purple:    #d2a8ff;
  --orange:    #f0883e;
  --red:       #f85149;
  --cyan:      #79c0ff;
  --pink:      #f778ba;
  --yellow:    #e3b341;
  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
code { font-family: 'JetBrains Mono', monospace; background: rgba(88,166,255,0.08); color: var(--blue); padding: 2px 6px; border-radius: 4px; font-size: 0.85em; border: 1px solid rgba(88,166,255,0.15); }
.section-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Particle background ─────────────────────────────────────────────────── */

.particle-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ── Gradient utilities ──────────────────────────────────────────────────── */

.gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-animated {
  background: linear-gradient(270deg, var(--blue), var(--purple), var(--green), var(--cyan), var(--blue));
  background-size: 400% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
}

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

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  position: relative;
}
.btn-primary {
  background: linear-gradient(135deg, #2563eb, #7c3aed, #2563eb);
  background-size: 200% 100%;
  color: #fff;
  padding: 12px 28px;
  box-shadow: 0 4px 24px rgba(88,166,255,0.2), 0 0 0 1px rgba(88,166,255,0.15);
  animation: btnShimmer 4s ease infinite;
}
@keyframes btnShimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(88,166,255,0.35), 0 0 0 1px rgba(88,166,255,0.3);
}
.btn-glow::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--blue), var(--purple), var(--green));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s;
  filter: blur(8px);
}
.btn-glow:hover::before { opacity: 0.5; }

.btn-ghost {
  background: rgba(255,255,255,0.03);
  color: var(--text-2);
  padding: 12px 28px;
  border: 1px solid var(--border-2);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-3); background: rgba(255,255,255,0.06); }
.btn-lg { padding: 14px 36px; font-size: 1rem; }

/* ── NAV ─────────────────────────────────────────────────────────────────── */

.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(6,8,13,0.6);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: all 0.3s;
}
.nav.scrolled {
  background: rgba(6,8,13,0.88);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.05rem; color: var(--text);
}
.nav-logo-icon { display: flex; filter: drop-shadow(0 0 8px rgba(88,166,255,0.3)); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.85rem; color: var(--text-2); transition: color 0.2s; position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  border-radius: 1px;
  transition: width 0.25s ease;
}
.nav-links a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(124,58,237,0.15)) !important;
  border: 1px solid rgba(88,166,255,0.2) !important;
  padding: 7px 18px;
  border-radius: 8px;
  font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  color: var(--blue) !important;
}
.nav-cta:hover { border-color: rgba(88,166,255,0.4) !important; background: rgba(37,99,235,0.2) !important; }
.nav-cta-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: ctaPulse 2s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

/* ── HERO ────────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px 24px 60px;
  z-index: 1;
}
.hero-aurora {
  position: absolute;
  width: 100vw; height: 100vh;
  left: -50vw; top: -10%;
  background:
    radial-gradient(ellipse 80% 50% at 30% 20%, rgba(37,99,235,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 70% 30%, rgba(124,58,237,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 50% 70%, rgba(126,231,135,0.05) 0%, transparent 70%);
  pointer-events: none;
  animation: auroraMove 20s ease-in-out infinite;
}
@keyframes auroraMove {
  0%, 100% { transform: translateX(0) scale(1); }
  33%      { transform: translateX(3%) scale(1.02); }
  66%      { transform: translateX(-2%) scale(0.98); }
}
.hero-glow {
  position: absolute;
  width: 500px; height: 500px;
  left: 5%; top: 15%;
  background: radial-gradient(circle, rgba(88,166,255,0.10) 0%, transparent 70%);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite;
}
.hero-glow-2 {
  left: auto; right: 10%; top: 20%;
  background: radial-gradient(circle, rgba(210,168,255,0.08) 0%, transparent 70%);
  animation-delay: 3s;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.1); }
}

.hero-content { flex: 1; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
  background: linear-gradient(135deg, rgba(88,166,255,0.08), rgba(210,168,255,0.08));
  border: 1px solid rgba(88,166,255,0.15);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  animation: ctaPulse 2s ease-in-out infinite;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.08rem;
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 40px; }
.stat { display: flex; flex-direction: column; align-items: flex-start; }
.stat-num {
  font-size: 2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.stat-plus {
  font-size: 1.4rem; font-weight: 700;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.78rem; color: var(--text-3); font-weight: 500; margin-top: 2px; }

/* ── Canvas preview ──────────────────────────────────────────────────────── */

.hero-visual { flex: 1; z-index: 1; display: flex; justify-content: center; }

.canvas-preview {
  position: relative;
  width: 560px; height: 360px;
  background: linear-gradient(145deg, var(--surface), #080b11);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 30px 100px rgba(0,0,0,0.6),
    0 0 0 1px rgba(255,255,255,0.03) inset,
    0 0 60px rgba(88,166,255,0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.canvas-preview:hover {
  transform: translateY(-4px) scale(1.005);
  box-shadow:
    0 40px 120px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.05) inset,
    0 0 80px rgba(88,166,255,0.06);
}
.canvas-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}
.canvas-glow-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
}
.canvas-glow-1 {
  width: 200px; height: 200px;
  left: 20%; top: 10%;
  background: rgba(88,166,255,0.1);
  animation: orbFloat 8s ease-in-out infinite;
}
.canvas-glow-2 {
  width: 180px; height: 180px;
  right: 15%; bottom: 15%;
  background: rgba(210,168,255,0.08);
  animation: orbFloat 10s ease-in-out infinite reverse;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(20px, -15px); }
}

.canvas-edges {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.edge { stroke-width: 1.5; opacity: 0.35; }

.node {
  position: absolute;
  background: rgba(22,27,34,0.9);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex; align-items: center; gap: 8px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  z-index: 2;
  animation: nodeFloat 6s ease-in-out infinite;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.node-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--nc);
  box-shadow: 0 0 12px var(--nc);
}
.node-icon { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 8px currentColor; }
.node-icon.blue   { background: var(--blue); color: var(--blue); }
.node-icon.red    { background: var(--red); color: var(--red); }
.node-icon.green  { background: var(--green); color: var(--green); }
.node-icon.purple { background: var(--purple); color: var(--purple); }
.node-icon.cyan   { background: var(--cyan); color: var(--cyan); }

.node-pulse {
  position: absolute; inset: -2px;
  border-radius: 10px;
  border: 1px solid;
  opacity: 0;
  animation: nodePulseAnim 3s ease-out infinite;
}
.node-pulse.blue { border-color: var(--blue); }
@keyframes nodePulseAnim {
  0%   { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.3); }
}

.node-1 { left: 230px; top: 50px;  animation-delay: 0s; }
.node-2 { left: 60px;  top: 155px; animation-delay: 0.8s; }
.node-3 { left: 390px; top: 130px; animation-delay: 1.6s; }
.node-4 { left: 220px; top: 235px; animation-delay: 2.4s; }
.node-5 { left: 330px; top: 265px; animation-delay: 3.2s; }

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

/* Canvas minimap */
.canvas-minimap {
  position: absolute; bottom: 10px; right: 10px;
  width: 72px; height: 48px;
  background: rgba(13,17,23,0.8);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  z-index: 3;
}
.minimap-dot {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

/* Canvas toolbar hint */
.canvas-toolbar-hint {
  position: absolute; top: 10px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 4px;
  background: rgba(13,17,23,0.8);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 5px 8px;
  z-index: 3;
}
.toolbar-pill {
  width: 18px; height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
}
.toolbar-pill.active {
  background: linear-gradient(90deg, var(--blue), var(--purple));
}

/* ── Trust strip ─────────────────────────────────────────────────────────── */

.trust-strip {
  position: relative; z-index: 1;
  border-top: 1px solid rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  background: rgba(13,17,23,0.4);
  backdrop-filter: blur(8px);
  padding: 20px 0;
}
.trust-inner { display: flex; align-items: center; gap: 20px; justify-content: center; flex-wrap: wrap; }
.trust-label { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); }
.trust-items { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center; }
.trust-items span { font-size: 0.82rem; color: var(--text-2); font-weight: 500; }
.trust-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--border-2); display: inline-block; }

/* ── SECTION HEADERS ─────────────────────────────────────────────────────── */

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--purple), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.section-sub { font-size: 1rem; color: var(--text-2); max-width: 520px; margin: 0 auto; }

/* ── FEATURES ────────────────────────────────────────────────────────────── */

.features { padding: 100px 0; position: relative; z-index: 1; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  position: relative;
  background: rgba(13,17,23,0.6);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 14px;
  padding: 28px 24px;
  transition: all 0.3s ease;
  overflow: hidden;
  backdrop-filter: blur(4px);
}
.feature-card-glow {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.feature-card[data-color="blue"]   .feature-card-glow { background: radial-gradient(circle at 50% 0%, rgba(88,166,255,0.08) 0%, transparent 70%); }
.feature-card[data-color="green"]  .feature-card-glow { background: radial-gradient(circle at 50% 0%, rgba(126,231,135,0.08) 0%, transparent 70%); }
.feature-card[data-color="purple"] .feature-card-glow { background: radial-gradient(circle at 50% 0%, rgba(210,168,255,0.08) 0%, transparent 70%); }
.feature-card[data-color="orange"] .feature-card-glow { background: radial-gradient(circle at 50% 0%, rgba(240,136,62,0.08) 0%, transparent 70%); }
.feature-card[data-color="cyan"]   .feature-card-glow { background: radial-gradient(circle at 50% 0%, rgba(121,192,255,0.08) 0%, transparent 70%); }
.feature-card[data-color="pink"]   .feature-card-glow { background: radial-gradient(circle at 50% 0%, rgba(247,120,186,0.08) 0%, transparent 70%); }

.feature-card:hover .feature-card-glow { opacity: 1; }
.feature-card:hover {
  border-color: rgba(255,255,255,0.08);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.feature-card[data-color="blue"]:hover   { border-color: rgba(88,166,255,0.2); }
.feature-card[data-color="green"]:hover  { border-color: rgba(126,231,135,0.2); }
.feature-card[data-color="purple"]:hover { border-color: rgba(210,168,255,0.2); }
.feature-card[data-color="orange"]:hover { border-color: rgba(240,136,62,0.2); }
.feature-card[data-color="cyan"]:hover   { border-color: rgba(121,192,255,0.2); }
.feature-card[data-color="pink"]:hover   { border-color: rgba(247,120,186,0.2); }

.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  position: relative;
}
.feature-icon.blue   { background: rgba(88,166,255,0.1); color: var(--blue); box-shadow: 0 0 20px rgba(88,166,255,0.1); }
.feature-icon.green  { background: rgba(126,231,135,0.1); color: var(--green); box-shadow: 0 0 20px rgba(126,231,135,0.1); }
.feature-icon.purple { background: rgba(210,168,255,0.1); color: var(--purple); box-shadow: 0 0 20px rgba(210,168,255,0.1); }
.feature-icon.orange { background: rgba(240,136,62,0.1);  color: var(--orange); box-shadow: 0 0 20px rgba(240,136,62,0.1); }
.feature-icon.cyan   { background: rgba(121,192,255,0.1); color: var(--cyan); box-shadow: 0 0 20px rgba(121,192,255,0.1); }
.feature-icon.pink   { background: rgba(247,120,186,0.1); color: var(--pink); box-shadow: 0 0 20px rgba(247,120,186,0.1); }

.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; position: relative; }
.feature-card p { font-size: 0.85rem; color: var(--text-2); line-height: 1.65; position: relative; }

/* ── CATEGORIES ──────────────────────────────────────────────────────────── */

.categories { padding: 80px 0 100px; position: relative; z-index: 1; }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.cat-card {
  position: relative;
  background: rgba(13,17,23,0.6);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 22px 20px;
  transition: all 0.3s ease;
  overflow: hidden;
  backdrop-filter: blur(4px);
}
.cat-card-border {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.cat-card:hover .cat-card-border { opacity: 1; }
.cat-card:hover {
  border-color: color-mix(in srgb, var(--c) 25%, transparent);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.3), 0 0 30px color-mix(in srgb, var(--c) 6%, transparent);
}
.cat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--c) 10%, transparent);
  color: var(--c);
  margin-bottom: 14px;
  box-shadow: 0 0 16px color-mix(in srgb, var(--c) 10%, transparent);
}
.cat-card h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; }
.cat-card p { font-size: 0.8rem; color: var(--text-2); line-height: 1.6; }

/* ── HOW IT WORKS ────────────────────────────────────────────────────────── */

.how-it-works { padding: 80px 0 100px; position: relative; z-index: 1; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step { position: relative; padding-top: 8px; }
.step-connector {
  position: absolute;
  top: 28px; left: 52px; right: -12px;
  height: 2px;
  background: linear-gradient(90deg, var(--border-2), transparent);
}
.step:last-child .step-connector { display: none; }

.step-num {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(88,166,255,0.2), 0 0 0 4px rgba(37,99,235,0.1);
  position: relative;
  z-index: 1;
}
.step-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.step-body p { font-size: 0.82rem; color: var(--text-2); line-height: 1.65; }

/* ── CTA ─────────────────────────────────────────────────────────────────── */

.cta { padding: 60px 0 100px; position: relative; z-index: 1; }

.cta-box {
  position: relative;
  text-align: center;
  padding: 72px 40px;
  background: linear-gradient(145deg, rgba(13,17,23,0.8), rgba(6,8,13,0.9));
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 24px;
  overflow: hidden;
}
.cta-aurora {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 30%, rgba(37,99,235,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 70% 60%, rgba(124,58,237,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 50% 80%, rgba(126,231,135,0.04) 0%, transparent 70%);
  animation: auroraMove 15s ease-in-out infinite;
  pointer-events: none;
}
.cta-glow {
  position: absolute;
  width: 400px; height: 250px;
  left: 50%; top: 40%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(88,166,255,0.08) 0%, transparent 70%);
  pointer-events: none;
  animation: glowPulse 5s ease-in-out infinite;
}
.cta-box h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}
.cta-box p {
  color: var(--text-2);
  font-size: 1rem;
  margin-bottom: 28px;
  position: relative;
}
.cta-box .btn { position: relative; }

/* ── FOOTER ──────────────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 24px 0;
  position: relative; z-index: 1;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 0.9rem; color: var(--text-2);
}
.footer-copy { font-size: 0.75rem; color: var(--text-3); }

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding-top: 80px; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { width: 100%; }
  .canvas-preview { width: 100%; max-width: 480px; height: 280px; }
  .node { font-size: 0.65rem; padding: 7px 10px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step-connector { display: none; }
}

@media (max-width: 600px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
  .trust-items { gap: 10px; }
}

/* ── Scroll animations ───────────────────────────────────────────────────── */

.feature-card, .cat-card, .step, .cta-box {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.feature-card.visible, .cat-card.visible, .step.visible, .cta-box.visible {
  opacity: 1;
  transform: translateY(0);
}
