/* ── Variables ──────────────────────────────────────────────────────────── */
:root {
  --brand-50: #eff6ff;
  --brand-100: #dbeafe;
  --brand-400: #60a5fa;
  --brand-500: #3b82f6;
  --brand-600: #2563eb;
  --brand-700: #1d4ed8;
  --brand-800: #1e40af;
  --accent: #f59e0b;
  --accent2: #8b5cf6;
  --success: #10b981;
  --danger: #ef4444;
  --glass-bg: rgba(255,255,255,0.15);
  --glass-border: rgba(255,255,255,0.25);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --shadow-md: 0 8px 32px rgba(37,99,235,.12);
  --shadow-lg: 0 20px 60px rgba(37,99,235,.18);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #f0f4ff;
  color: #1e293b;
  overflow-x: hidden;
}

/* ── Scroll-reveal ─────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Animated gradient background ─────────────────────────────────────── */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Floating particles ────────────────────────────────────────────────── */
@keyframes float1 { 0%,100%{transform:translate(0,0) scale(1);} 33%{transform:translate(30px,-40px) scale(1.1);} 66%{transform:translate(-20px,20px) scale(.9);} }
@keyframes float2 { 0%,100%{transform:translate(0,0) rotate(0deg);} 50%{transform:translate(-40px,-30px) rotate(180deg);} }
@keyframes float3 { 0%,100%{transform:translate(0,0);} 25%{transform:translate(20px,30px);} 75%{transform:translate(-30px,-10px);} }
@keyframes float4 { 0%,100%{transform:translateY(0) rotate(0);} 50%{transform:translateY(-20px) rotate(90deg);} }

/* ── Shimmer animation ─────────────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}
@keyframes pulse-glow {
  0%,100% { box-shadow: 0 0 0 0 rgba(37,99,235,.4); }
  50%      { box-shadow: 0 0 0 12px rgba(37,99,235,0); }
}
@keyframes spin-border {
  to { transform: rotate(360deg); }
}
@keyframes slideInUp {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn {
  from { opacity:0; } to { opacity:1; }
}
@keyframes bounceIn {
  0%   { transform: scale(.3); opacity:0; }
  50%  { transform: scale(1.05); }
  70%  { transform: scale(.9); }
  100% { transform: scale(1); opacity:1; }
}
@keyframes progressShimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

/* ── Navbar ────────────────────────────────────────────────────────────── */
nav {
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(255,255,255,.88);
  border-bottom: 1px solid rgba(37,99,235,.1);
  box-shadow: 0 2px 20px rgba(37,99,235,.08);
}
.nav-logo-text {
  background: linear-gradient(135deg, var(--brand-600), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}
.nav-drop-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  font-size: .875rem; color: #374151;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.nav-drop-item::before {
  content:''; position:absolute; inset:0;
  background: linear-gradient(135deg, var(--brand-50), rgba(139,92,246,.08));
  opacity:0; transition: opacity .2s;
}
.nav-drop-item:hover { color: var(--brand-600); transform: translateX(4px); }
.nav-drop-item:hover::before { opacity:1; }

.mobile-link {
  display:flex; align-items:center; padding:10px 14px;
  border-radius:var(--radius-sm); color:#374151; font-size:.875rem;
  background:#f8faff; border:1px solid #e0e8ff;
  transition:var(--transition);
}
.mobile-link:hover { background:var(--brand-50); color:var(--brand-600); transform:scale(1.02); }

/* ── Hero section ──────────────────────────────────────────────────────── */
.hero-section {
  background: linear-gradient(-45deg, #0f172a, #1e3a8a, #312e81, #1e1b4b, #0c4a6e);
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
  position: relative;
  overflow: hidden;
}
.hero-particle {
  position: absolute;
  border-radius: 50%;
  opacity: .15;
  pointer-events: none;
}
.hero-particle:nth-child(1) { width:300px;height:300px;background:radial-gradient(circle,#60a5fa,transparent); top:-80px;right:-60px; animation:float1 8s ease-in-out infinite; }
.hero-particle:nth-child(2) { width:200px;height:200px;background:radial-gradient(circle,#8b5cf6,transparent); bottom:20px;left:-40px; animation:float2 10s ease-in-out infinite; }
.hero-particle:nth-child(3) { width:150px;height:150px;background:radial-gradient(circle,#f59e0b,transparent); top:40%;left:30%; animation:float3 7s ease-in-out infinite; }
.hero-particle:nth-child(4) { width:100px;height:100px;background:radial-gradient(circle,#10b981,transparent); bottom:30%;right:20%; animation:float4 9s ease-in-out infinite; }

.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2);
  color:#bfdbfe; font-size:.8rem; font-weight:600;
  padding:6px 16px; border-radius:999px;
  animation: fadeIn .8s ease;
  letter-spacing:.05em; text-transform:uppercase;
}
.hero-badge .dot { width:6px;height:6px;background:#10b981;border-radius:50%;animation:pulse-glow 2s infinite; }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900; line-height: 1.1;
  color: #fff;
  animation: slideInUp .8s .2s both;
  letter-spacing: -.02em;
}
.hero-title .highlight {
  background: linear-gradient(135deg, #60a5fa, #a78bfa, #f472b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  color: #94a3b8; font-size: 1.15rem;
  animation: slideInUp .8s .35s both;
  line-height: 1.6;
}
.hero-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: var(--radius);
  font-weight: 700; font-size: 1rem;
  transition: var(--transition);
  text-decoration: none; position: relative; overflow: hidden;
}
.hero-btn-primary {
  background: linear-gradient(135deg, var(--brand-500), var(--accent2));
  color:#fff;
  box-shadow: 0 8px 32px rgba(37,99,235,.4);
  animation: slideInUp .8s .5s both;
}
.hero-btn-primary::after {
  content:''; position:absolute; inset:0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.25) 50%, transparent 100%);
  background-size: 200%;
  opacity:0; transition: opacity .3s;
}
.hero-btn-primary:hover { transform:translateY(-3px); box-shadow:0 16px 48px rgba(37,99,235,.5); }
.hero-btn-primary:hover::after { opacity:1; animation: shimmer .8s; }

.hero-btn-secondary {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
  border: 1.5px solid rgba(255,255,255,.25);
  color: #e2e8f0;
  animation: slideInUp .8s .6s both;
}
.hero-btn-secondary:hover { background:rgba(255,255,255,.2); transform:translateY(-3px); }

/* ── Stats bar ─────────────────────────────────────────────────────────── */
.stats-bar {
  background: linear-gradient(135deg, #1e3a8a, #312e81);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.stat-item { text-align:center; padding:16px 24px; }
.stat-number {
  font-size:1.5rem; font-weight:800;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size:.75rem; color:#94a3b8; margin-top:2px; letter-spacing:.05em; }

/* ── Section titles ────────────────────────────────────────────────────── */
.section-title {
  font-size:1.1rem; font-weight:800; color:#1e293b;
  margin-bottom:1.5rem; display:flex; align-items:center; gap:10px;
  letter-spacing:-.01em;
}
.section-title-bar {
  width:4px; height:22px; border-radius:2px;
  background: linear-gradient(180deg, var(--brand-500), var(--accent2));
}
.section-header {
  text-align:center; margin-bottom:3rem;
}
.section-header h2 {
  font-size:clamp(1.6rem,3vw,2.5rem); font-weight:900;
  color:#0f172a; letter-spacing:-.03em;
}
.section-header h2 span {
  background: linear-gradient(135deg, var(--brand-600), var(--accent2));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.section-header p { color:#64748b; margin-top:.5rem; font-size:1.05rem; }

/* ── Tool cards ────────────────────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1rem;
}
.tool-card {
  display:flex; flex-direction:column;
  background:#fff;
  border: 1.5px solid #e8eeff;
  border-radius: var(--radius);
  padding: 22px 18px;
  text-decoration:none;
  transition: var(--transition);
  cursor:pointer;
  position:relative; overflow:hidden;
}
.tool-card::before {
  content:''; position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(37,99,235,.04), rgba(139,92,246,.04));
  opacity:0; transition: opacity .3s;
}
.tool-card::after {
  content:''; position:absolute; bottom:0; left:0; right:0;
  height:3px;
  background: linear-gradient(90deg, var(--brand-500), var(--accent2));
  transform: scaleX(0); transform-origin:left;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.tool-card:hover {
  border-color:var(--brand-400);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px) scale(1.01);
}
.tool-card:hover::before { opacity:1; }
.tool-card:hover::after  { transform: scaleX(1); }
.tool-card:hover .tool-icon { transform:scale(1.12) rotate(-3deg); }
.tool-card:hover .tool-icon i { transform: scale(1.1); }

.tool-icon {
  width:54px; height:54px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
  flex-shrink:0;
}
.tool-card h3 { font-size:.95rem; font-weight:700; color:#0f172a; margin-top:14px; }
.tool-card p  { font-size:.8rem; color:#64748b; margin-top:5px; line-height:1.45; }

/* ── Category label ────────────────────────────────────────────────────── */
.cat-label {
  display:inline-flex; align-items:center; gap:6px;
  font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  padding:4px 12px; border-radius:999px; margin-bottom:1rem;
}

/* ── Tool page header ──────────────────────────────────────────────────── */
.tool-page-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #312e81 100%);
  padding: 56px 16px 48px;
  text-align:center;
  position:relative; overflow:hidden;
}
.tool-page-header::before {
  content:''; position:absolute; inset:0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.tool-page-header h1 {
  font-size:clamp(1.8rem,4vw,3rem); font-weight:900;
  color:#fff; letter-spacing:-.03em;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.tool-page-header p { color:#94a3b8; margin-top:8px; font-size:1.05rem; }
.tool-icon-wrap {
  width:72px; height:72px; border-radius:20px; margin:0 auto 18px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
  border:1.5px solid rgba(255,255,255,.2);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  animation: bounceIn .8s .1s both;
}

.tool-container {
  max-width: 860px; margin: 0 auto; padding: 40px 16px;
}

/* ── Drop zone ─────────────────────────────────────────────────────────── */
.drop-zone {
  border: 2.5px dashed #c7d7ff;
  border-radius: 20px;
  background: linear-gradient(135deg, #f8faff 0%, #f0f4ff 100%);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding: 60px 24px; text-align:center;
  cursor:pointer;
  transition: var(--transition);
  min-height:260px;
  position:relative; overflow:hidden;
}
.drop-zone::before {
  content:''; position:absolute; inset:-2px;
  border-radius:22px; border:2.5px dashed transparent;
  background: linear-gradient(135deg, var(--brand-400), var(--accent2)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  opacity:0; transition: opacity .3s;
}
.drop-zone:hover::before, .drop-zone.dragover::before { opacity:1; }
.drop-zone:hover, .drop-zone.dragover {
  background: linear-gradient(135deg, #eff6ff, #eef2ff);
  border-color: transparent;
  transform: scale(1.01);
  box-shadow: 0 16px 48px rgba(37,99,235,.12);
}
.drop-zone input[type=file] { display:none; }
.drop-zone-icon {
  width:80px; height:80px; border-radius:20px;
  background: linear-gradient(135deg, var(--brand-500), var(--accent2));
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 8px 32px rgba(37,99,235,.3);
  margin-bottom:20px;
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.drop-zone:hover .drop-zone-icon { transform: scale(1.1) translateY(-4px); }
.drop-zone h3 { font-size:1.15rem; font-weight:700; color:#1e293b; }
.drop-zone p  { color:#64748b; font-size:.875rem; margin-top:6px; }
.drop-zone-sub {
  display:inline-flex; align-items:center; gap:6px;
  background: linear-gradient(135deg, var(--brand-500), var(--accent2));
  color:#fff; font-size:.8rem; font-weight:600;
  padding:5px 14px; border-radius:999px;
  margin-top:14px;
}

/* ── File list ─────────────────────────────────────────────────────────── */
.file-list { display:flex; flex-direction:column; gap:8px; margin:16px 0; }
.file-item {
  display:flex; align-items:center; justify-content:space-between;
  background:#fff;
  border:1.5px solid #e8eeff;
  border-radius: var(--radius-sm);
  padding:12px 18px;
  font-size:.875rem; color:#374151;
  animation: slideInUp .3s ease both;
  transition: var(--transition);
}
.file-item:hover { border-color:var(--brand-400); box-shadow:var(--shadow-sm); }
.file-item .file-name { display:flex; align-items:center; gap:12px; font-weight:600; }
.file-item .file-size { color:#94a3b8; font-size:.8rem; }
.remove-btn { color:#ef4444; cursor:pointer; transition:transform .2s; }
.remove-btn:hover { transform:scale(1.2) rotate(90deg); }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn-primary {
  display:inline-flex; align-items:center; gap:10px;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-700));
  color:#fff; padding:13px 30px; border-radius:var(--radius);
  font-weight:700; font-size:1rem; border:none; cursor:pointer;
  transition: var(--transition); position:relative; overflow:hidden;
  box-shadow: 0 4px 20px rgba(37,99,235,.35);
}
.btn-primary::after {
  content:''; position:absolute; top:0; left:-100%;
  width:100%; height:100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent);
  transition: left .5s;
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 32px rgba(37,99,235,.45); }
.btn-primary:hover::after { left:100%; }
.btn-primary:disabled { background:#93c5fd; box-shadow:none; cursor:not-allowed; transform:none; }
.btn-primary:active { transform:translateY(0) scale(.98); }

.btn-secondary {
  display:inline-flex; align-items:center; gap:8px;
  background:#fff; color:#475569;
  padding:12px 24px; border-radius:var(--radius);
  font-weight:600; font-size:.95rem;
  border:1.5px solid #e2e8f0; cursor:pointer;
  transition: var(--transition);
}
.btn-secondary:hover { border-color:var(--brand-400); color:var(--brand-600); transform:translateY(-2px); box-shadow:var(--shadow-sm); }

/* ── Options panel ─────────────────────────────────────────────────────── */
.options-panel {
  background:#fff; border:1.5px solid #e8eeff;
  border-radius:var(--radius); padding:24px;
  margin:20px 0;
  box-shadow: var(--shadow-sm);
  animation: slideInUp .3s ease;
}
.options-panel label {
  display:block; font-size:.8rem; font-weight:700;
  color:#475569; margin-bottom:6px;
  text-transform:uppercase; letter-spacing:.05em;
}
.options-panel select,
.options-panel input[type=text],
.options-panel input[type=number],
.options-panel input[type=password] {
  width:100%; padding:10px 14px;
  border-radius:var(--radius-sm);
  border:1.5px solid #e2e8f0;
  font-size:.9rem; outline:none;
  transition: var(--transition);
  background:#f8faff;
}
.options-panel select:focus,
.options-panel input:focus {
  border-color:var(--brand-500);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
  background:#fff;
}

/* ── Progress bar ──────────────────────────────────────────────────────── */
.progress-bar-wrap {
  width:100%; background:#e8eeff; border-radius:999px;
  height:10px; overflow:hidden; margin:14px 0;
  box-shadow: inset 0 2px 4px rgba(0,0,0,.06);
}
.progress-bar {
  height:100%; border-radius:999px;
  background: linear-gradient(90deg, var(--brand-500), var(--accent2), var(--brand-500));
  background-size: 200% 100%;
  animation: progressShimmer 1.5s linear infinite;
  transition: width .4s cubic-bezier(.4,0,.2,1);
}

/* ── Toast ─────────────────────────────────────────────────────────────── */
#toast {
  position:fixed; bottom:28px; right:28px;
  min-width:280px; max-width:380px;
  padding:16px 20px; border-radius:var(--radius);
  font-size:.9rem; font-weight:500;
  box-shadow: 0 16px 48px rgba(0,0,0,.2);
  transform: translateY(100px) scale(.9); opacity:0;
  transition: all .4s cubic-bezier(.34,1.56,.64,1); z-index:9999;
  backdrop-filter: blur(10px); display:flex; align-items:center; gap:12px;
}
#toast.show { transform:translateY(0) scale(1); opacity:1; }
#toast.success { background:linear-gradient(135deg,#065f46,#047857); color:#ecfdf5; border:1px solid rgba(16,185,129,.3); }
#toast.error   { background:linear-gradient(135deg,#7f1d1d,#dc2626); color:#fef2f2; border:1px solid rgba(239,68,68,.3); }
#toast:not(.success):not(.error) { background:linear-gradient(135deg,#1e293b,#334155); color:#f1f5f9; border:1px solid rgba(255,255,255,.1); }

/* ── Pricing cards ─────────────────────────────────────────────────────── */
.pricing-card {
  background:#fff; border:2px solid #e8eeff;
  border-radius:24px; padding:36px 32px;
  display:flex; flex-direction:column;
  transition: var(--transition);
  position:relative; overflow:hidden;
}
.pricing-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:4px;
  background:linear-gradient(90deg, var(--brand-500), var(--accent2));
  opacity:0; transition: opacity .3s;
}
.pricing-card:hover { transform:translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card:hover::before { opacity:1; }
.pricing-card.popular {
  border-color:var(--brand-500);
  box-shadow: 0 12px 48px rgba(37,99,235,.2);
  background: linear-gradient(180deg, #eff6ff 0%, #fff 100%);
}
.pricing-card.popular::before { opacity:1; }
.popular-badge {
  position:absolute; top:-1px; left:50%; transform:translateX(-50%);
  background:linear-gradient(135deg, var(--brand-600), var(--accent2));
  color:#fff; font-size:.7rem; font-weight:800;
  padding:4px 20px; border-radius:0 0 12px 12px;
  letter-spacing:.1em; text-transform:uppercase;
  animation: pulse-glow 3s infinite;
}
.price { font-size:2.8rem; font-weight:900; color:#0f172a; line-height:1; }
.price span { font-size:1rem; color:#64748b; font-weight:400; }
.check-item { display:flex; align-items:center; gap:10px; font-size:.9rem; color:#374151; padding:7px 0; }
.check-item i.green  { color:var(--success); }
.check-item i.gray   { color:#d1d5db; }

/* ── Why section ───────────────────────────────────────────────────────── */
.feature-card {
  background:#fff; border-radius:var(--radius); padding:32px 28px;
  text-align:center; border:1.5px solid #e8eeff;
  transition: var(--transition); position:relative; overflow:hidden;
}
.feature-card::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:4px;
  opacity:0; transition: opacity .3s;
}
.feature-card.blue::after   { background:linear-gradient(90deg,#3b82f6,#60a5fa); }
.feature-card.green::after  { background:linear-gradient(90deg,#10b981,#34d399); }
.feature-card.amber::after  { background:linear-gradient(90deg,#f59e0b,#fbbf24); }
.feature-card.purple::after { background:linear-gradient(90deg,#8b5cf6,#a78bfa); }
.feature-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-md); }
.feature-card:hover::after { opacity:1; }

.feature-icon {
  width:64px; height:64px; border-radius:18px; margin:0 auto 20px;
  display:flex; align-items:center; justify-content:center;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
}
.feature-card:hover .feature-icon { transform:scale(1.15) rotate(-5deg); }

/* ── Tool toggle (editor) ──────────────────────────────────────────────── */
.tool-toggle {
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 14px; border-radius:var(--radius-sm);
  border:1.5px solid #e2e8f0; background:#fff; color:#475569;
  font-size:.85rem; cursor:pointer; transition: var(--transition);
  font-weight:500;
}
.tool-toggle:hover   { border-color:var(--brand-400); color:var(--brand-600); background:var(--brand-50); }
.tool-toggle.active  { border-color:var(--brand-500); background:linear-gradient(135deg,#eff6ff,#eef2ff); color:var(--brand-700); font-weight:700; box-shadow:0 2px 8px rgba(37,99,235,.15); }
.tool-toggle:disabled { opacity:.4; cursor:not-allowed; }

/* ── Page thumbs ───────────────────────────────────────────────────────── */
.page-thumb {
  background:#fff; border:1.5px solid #e2e8f0;
  border-radius:var(--radius); padding:14px 10px;
  cursor:grab; user-select:none; text-align:center;
  transition: var(--transition);
}
.page-thumb:hover { box-shadow:var(--shadow-md); transform:scale(1.03); border-color:var(--brand-400); }
.page-thumb:active { cursor:grabbing; transform:scale(.97); }
.sortable-ghost { opacity:.35; transform:scale(.95); }

/* ── Level buttons (compress) ──────────────────────────────────────────── */
.level-btn {
  padding:18px 12px; border-radius:var(--radius); text-align:center;
  border:2px solid #e2e8f0; background:#fff;
  cursor:pointer; transition: var(--transition);
}
.level-btn:hover { border-color:var(--brand-400); transform:translateY(-2px); box-shadow:var(--shadow-sm); }
.level-btn.active { border-color:var(--brand-500); background:linear-gradient(135deg,#eff6ff,#eef2ff); box-shadow:0 4px 16px rgba(37,99,235,.2); }

/* ── Angle buttons (rotate) ────────────────────────────────────────────── */
.angle-btn {
  padding:10px 8px; border-radius:var(--radius-sm);
  border:2px solid #e2e8f0; background:#fff;
  font-size:.85rem; font-weight:600; cursor:pointer;
  transition: var(--transition);
}
.angle-btn:hover { border-color:var(--brand-400); }
.angle-btn.active { border-color:var(--brand-500); background:linear-gradient(135deg,#eff6ff,#eef2ff); color:var(--brand-700); }

/* ── CTA section ───────────────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, #1e3a8a, #312e81);
  position:relative; overflow:hidden;
}
.cta-section::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse at 70% 50%, rgba(139,92,246,.3), transparent 60%);
}

/* ── Footer ────────────────────────────────────────────────────────────── */
footer { background:linear-gradient(180deg, #0f172a 0%, #1e293b 100%); }
.footer-link { color:#64748b; font-size:.875rem; transition: color .2s; display:block; padding:3px 0; }
.footer-link:hover { color:#94a3b8; }