/* ============================================================
   ScanFlow Landing — Dark Fintech Aesthetic
   ============================================================ */

:root {
  --bg:          #06080d;
  --bg-surface:  #0c1018;
  --bg-card:     #111827;
  --bg-card-hover: #1a2332;
  --border:      rgba(255,255,255,0.06);
  --border-lit:  rgba(255,255,255,0.12);
  --text:        #e8ecf4;
  --text-dim:    #8892a4;
  --text-muted:  #4a5568;
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59,130,246,0.25);
  --accent-green:#06d6a0;
  --accent-green-glow: rgba(6,214,160,0.20);
  --accent-purple:#a78bfa;
  --accent-orange:#fb923c;
  --gradient:    linear-gradient(135deg, #3b82f6 0%, #06d6a0 100%);
  --gradient-text:linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
  --radius:      10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --font:        'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:        'JetBrains Mono', 'Consolas', monospace;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 60px rgba(59,130,246,0.08), 0 0 120px rgba(6,214,160,0.04);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #1e293b #06080d;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Ambient Effects ========== */

.scan-line {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  z-index: 9999;
  pointer-events: none;
  animation: scanLineMove 8s ease-in-out infinite;
}

@keyframes scanLineMove {
  0%, 100% { top: -2px; opacity: 0; }
  5% { opacity: 0.6; }
  50% { top: 100vh; opacity: 0.3; }
  95% { opacity: 0.6; }
  100% { top: -2px; opacity: 0; }
}

.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

/* ========== Header ========== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(6,8,13,0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-icon {
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.main-nav {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.main-nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */

.btn-ghost {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-ghost:hover {
  color: var(--text);
}

.btn-primary-sm {
  text-decoration: none;
  background: var(--gradient);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 2px 12px var(--accent-blue-glow);
}

.btn-primary-sm:hover {
  box-shadow: 0 4px 24px var(--accent-blue-glow);
  transform: translateY(-1px);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 24px var(--accent-blue-glow);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px var(--accent-blue-glow);
  transform: translateY(-2px);
}

.btn-primary.btn-sm {
  font-size: 14px;
  padding: 10px 24px;
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-lit);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.05);
  color: var(--accent-blue);
}

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

.btn-upload {
  background: rgba(59,130,246,0.1);
  color: var(--accent-blue);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(59,130,246,0.2);
  cursor: pointer;
  transition: var(--transition);
}

.btn-upload:hover {
  background: rgba(59,130,246,0.2);
  border-color: rgba(59,130,246,0.4);
}

/* Mobile menu */

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========== Hero ========== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}

.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: orbFloat1 12s ease-in-out infinite;
}

.hero-orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6,214,160,0.2) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  animation: orbFloat2 15s ease-in-out infinite;
}

.hero-orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(167,139,250,0.15) 0%, transparent 70%);
  top: 40%;
  left: 50%;
  animation: orbFloat3 10s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 30px); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -40px); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-20px, -30px); }
}

.hero-grid {
  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 70% 50% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black, transparent);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-blue);
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-green-glow); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ========== Section Common ========== */

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-blue);
  margin-bottom: 16px;
  text-align: center;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  text-align: center;
  margin-bottom: 20px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-dim);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ========== Mindmap ========== */

.mindmap-section {
  padding: 100px 0;
  position: relative;
}

.mindmap {
  position: relative;
  max-width: 700px;
  margin: 0 auto 80px;
  height: 260px;
}

.mindmap-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.mindmap-lines line {
  stroke: #3b82f6;
  stroke-width: 2;
  stroke-dasharray: 8 4;
  opacity: 0.6;
  transition: opacity 0.8s ease;
}

.mindmap-lines line:nth-child(2) { stroke: #14b8a6; }
.mindmap-lines line:nth-child(3) { stroke: #a78bfa; }

.mm-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-lit);
  border-radius: var(--radius-lg);
  padding: 14px 24px;
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  transition: var(--transition);
  cursor: default;
  opacity: 0;
  animation: mmNodeIn 0.5s ease forwards;
}

.mm-node:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 30px var(--accent-blue-glow);
  transform: translateY(-2px);
}

.mm-node--center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59,130,246,0.08) 100%);
  border-color: rgba(59,130,246,0.2);
  padding: 18px 28px;
  font-size: 17px;
  z-index: 2;
  animation-delay: 0.2s;
}

.mm-node--center.visible {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.mm-node--output {
  z-index: 1;
}

.mm-node--output:nth-child(3) { /* pay */
  top: 10px;
  left: 5%;
  animation-delay: 0.5s;
}

.mm-node--output:nth-child(4) { /* 1c */
  top: 10px;
  right: 5%;
  animation-delay: 0.7s;
}

.mm-node--output:nth-child(5) { /* site */
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 0.9s;
}

.mm-node--output:nth-child(5).visible {
  opacity: 1;
  transform: translateX(-50%);
}

@keyframes mmNodeIn {
  from { opacity: 0; filter: blur(4px); }
  to { opacity: 1; filter: blur(0); }
}

/* Lines use static opacity + transition instead of animation */

.mm-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  flex-shrink: 0;
}

.mm-icon--blue {
  background: rgba(59,130,246,0.12);
  color: var(--accent-blue);
}

.mm-icon--green {
  background: rgba(6,214,160,0.12);
  color: var(--accent-green);
}

.mm-icon--purple {
  background: rgba(167,139,250,0.12);
  color: var(--accent-purple);
}

/* ========== Features Grid ========== */

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-lit);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon--blue {
  background: rgba(59,130,246,0.1);
  color: var(--accent-blue);
}

.feature-icon--green {
  background: rgba(6,214,160,0.1);
  color: var(--accent-green);
}

.feature-icon--orange {
  background: rgba(251,146,60,0.1);
  color: var(--accent-orange);
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

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

/* ========== Demo Section ========== */

.demo-section {
  padding: 100px 0;
  position: relative;
}

.demo-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(59,130,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.demo-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.demo-upload,
.demo-result {
  min-height: 400px;
}

.demo-dropzone {
  height: 100%;
  background: var(--bg-card);
  border: 2px dashed var(--border-lit);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.demo-dropzone:hover,
.demo-dropzone.dragover {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.03);
}

.demo-dropzone.dragover {
  box-shadow: inset 0 0 40px var(--accent-blue-glow);
}

.dropzone-idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px;
}

.dropzone-icon {
  color: var(--text-muted);
  margin-bottom: 16px;
  transition: var(--transition);
}

.demo-dropzone:hover .dropzone-icon {
  color: var(--accent-blue);
  transform: translateY(-4px);
}

.dropzone-text {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.dropzone-or {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.dropzone-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Processing animation */

.dropzone-processing {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px;
}

.scan-animation {
  position: relative;
  width: 120px;
  height: 160px;
  margin-bottom: 24px;
}

.scan-doc {
  width: 100%;
  height: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-lit);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scan-doc-line {
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
}

.scan-doc-line.short { width: 60%; }
.scan-doc-line.medium { width: 80%; }

.scan-beam {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  box-shadow: 0 0 20px var(--accent-blue-glow), 0 0 60px var(--accent-blue-glow);
  border-radius: 2px;
  animation: scanBeam 2s ease-in-out infinite;
}

@keyframes scanBeam {
  0% { top: 0; opacity: 0.8; }
  50% { top: calc(100% - 3px); opacity: 1; }
  100% { top: 0; opacity: 0.8; }
}

.processing-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.dots::after {
  content: '';
  animation: dots 1.5s steps(3) infinite;
}

@keyframes dots {
  0% { content: ''; }
  33% { content: '.'; }
  66% { content: '..'; }
  100% { content: '...'; }
}

.processing-stage {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--accent-blue);
  margin-top: 8px;
}

/* Result area */

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

.result-empty {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-muted);
}

.result-empty-icon {
  margin-bottom: 16px;
}

.result-empty p {
  font-size: 14px;
}

.result-data {
  padding: 24px;
  animation: resultIn 0.5s ease;
}

@keyframes resultIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.result-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-green);
  background: rgba(6,214,160,0.1);
  padding: 4px 12px;
  border-radius: 100px;
}

.result-type {
  font-size: 13px;
  font-family: var(--mono);
  color: var(--text-muted);
}

.result-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.result-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.result-field-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.result-field-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.result-items-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.result-items-table {
  overflow-x: auto;
  margin-bottom: 20px;
}

.result-items-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.result-items-table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.result-items-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}

.result-items-table tr:last-child td {
  border-bottom: none;
}

.result-total {
  display: flex;
  justify-content: flex-end;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  margin-bottom: 20px;
}

.result-cta {
  background: rgba(59,130,246,0.05);
  border: 1px solid rgba(59,130,246,0.1);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.result-cta p {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.result-cta strong {
  color: var(--accent-green);
}

/* ========== Pricing ========== */

.pricing-section {
  padding: 100px 0;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 780px;
  margin: 48px auto 40px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  border-color: var(--border-lit);
  transform: translateY(-4px);
}

.pricing-card--featured {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59,130,246,0.06) 100%);
  border-color: rgba(59,130,246,0.2);
  box-shadow: 0 0 60px var(--accent-blue-glow);
}

.pricing-card--featured:hover {
  border-color: rgba(59,130,246,0.4);
  box-shadow: 0 0 80px var(--accent-blue-glow);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  background: var(--gradient);
  padding: 4px 20px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-header {
  margin-bottom: 32px;
}

.pricing-header h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-currency {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dim);
}

.pricing-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li svg {
  flex-shrink: 0;
  color: var(--accent-green);
}

.pricing-features li.disabled {
  color: var(--text-muted);
  opacity: 0.5;
}

.pricing-features li.disabled svg {
  color: var(--text-muted);
}

.pricing-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.pricing-note svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent-blue);
}

/* ========== Auth Section ========== */

.auth-section {
  padding: 80px 0 120px;
}

.auth-box {
  position: relative;
  max-width: 520px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.auth-box-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.08) 0%, rgba(6,214,160,0.06) 100%);
  border: 1px solid var(--border-lit);
  border-radius: var(--radius-xl);
}

.auth-box-content {
  position: relative;
  padding: 48px 40px;
  text-align: center;
}

.auth-box-content h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.auth-box-content > p {
  color: var(--text-dim);
  margin-bottom: 32px;
  font-size: 15px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.auth-form input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-lit);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  padding: 14px 18px;
  border-radius: var(--radius);
  outline: none;
  transition: var(--transition);
}

.auth-form input::placeholder {
  color: var(--text-muted);
}

.auth-form input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

.auth-toggle {
  font-size: 14px;
  color: var(--text-dim);
}

.auth-toggle a {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
}

.auth-toggle a:hover {
  text-decoration: underline;
}

/* ========== Footer ========== */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.6;
}

.footer-brand .logo {
  color: var(--text-dim);
}

.footer-links {
  display: contents;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.footer-col a {
  text-decoration: none;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

/* ========== Animations ========== */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate][data-delay="1"] { transition-delay: 0.1s; }
[data-animate][data-delay="2"] { transition-delay: 0.2s; }
[data-animate][data-delay="3"] { transition-delay: 0.3s; }
[data-animate][data-delay="4"] { transition-delay: 0.4s; }
[data-animate][data-delay="5"] { transition-delay: 0.5s; }

/* ========== Responsive ========== */

@media (max-width: 900px) {
  .demo-layout {
    grid-template-columns: 1fr;
  }

  .demo-upload,
  .demo-result {
    min-height: 320px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .main-nav,
  .header-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    margin-left: auto;
  }

  /* Mobile nav open state */
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(6,8,13,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 4px;
  }

  .header-actions.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 120px);
    left: 0;
    right: 0;
    background: rgba(6,8,13,0.95);
    padding: 0 24px 16px;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-stats {
    gap: 24px;
  }

  .mindmap {
    height: 380px;
  }

  .mm-node--center {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
  }

  .mm-node--center.visible {
    transform: translateX(-50%);
  }

  .mm-node--output:nth-child(3) {
    top: auto;
    bottom: 180px;
    left: 10px;
  }

  .mm-node--output:nth-child(4) {
    top: auto;
    bottom: 100px;
    right: 10px;
    left: auto;
  }

  .mm-node--output:nth-child(5) {
    bottom: 10px;
  }

  .form-row {
    flex-direction: column;
  }

  .auth-box-content {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn-primary,
  .hero-cta .btn-outline {
    justify-content: center;
  }

  .stat-divider {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .pricing-card {
    padding: 28px;
  }
}

/* ============================================================
   LOGIN MODAL
   ============================================================ */

.login-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-modal.open {
  display: flex;
  animation: login-fade-in 0.2s ease-out;
}

@keyframes login-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.login-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 16, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.login-modal__card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, rgba(24, 30, 46, 0.95) 0%, rgba(14, 18, 28, 0.95) 100%);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 20px;
  padding: 40px 32px 32px;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 -60px 120px rgba(59, 130, 246, 0.12) inset;
  text-align: center;
  animation: login-pop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes login-pop {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.login-modal__close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.login-modal__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 214, 160, 0.15));
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3b82f6;
}

.login-modal__card h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.login-modal__card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 24px;
  line-height: 1.5;
}

.login-modal__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-modal__form input[type="password"] {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.5px;
  outline: none;
  transition: all 0.15s ease;
}

.login-modal__form input[type="password"]:focus {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.login-modal__form input[type="password"]::placeholder {
  color: rgba(255, 255, 255, 0.3);
  font-family: inherit;
  letter-spacing: 0;
}

.login-modal__error {
  color: #ef4444;
  font-size: 13px;
  padding: 10px 14px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 10px;
  margin-top: 4px;
}

.login-modal__hint {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 8px;
}

.login-modal__hint a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
}

.login-modal__hint a:hover {
  color: #60a5fa;
  text-decoration: underline;
}

body.login-open {
  overflow: hidden;
}