/* ============================================================
   JobCityHub — GDS Photo & Signature Resize Tool
   CSS Design System — Light Theme
   ============================================================ */

/* ---------- Fonts & Reset ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@400;500;600;700;800&display=swap');

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

:root {
  --primary: #00a83a;
  --primary-dark: #007a28;
  --primary-light: #4cd97a;
  --primary-glow: rgba(0, 168, 58, 0.18);
  --secondary: #7c3aed;
  --secondary-dark: #6d28d9;
  --secondary-glow: rgba(124, 58, 237, 0.15);
  --bg-dark: #f4f7f5;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fffe;
  --bg-elevated: #f0faf4;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,168,58,0.35);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --success: #00a83a;
  --warning: #d97706;
  --danger: #dc2626;
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Poppins', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-glow: 0 0 30px rgba(0,168,58,0.12);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-elevated: 0 8px 40px rgba(0,0,0,0.12);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: #f4f7f5;
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---------- Background Animation ---------- */
.bg-animation {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.08;
  animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #00c853, transparent);
  top: -200px; left: -150px;
  animation-duration: 9s;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #7c3aed, transparent);
  top: 30%; right: -150px;
  animation-duration: 11s;
  animation-delay: -3s;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #34d399, transparent);
  bottom: -100px; left: 30%;
  animation-duration: 13s;
  animation-delay: -6s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.97); }
}

/* ---------- Layout ---------- */
body > * { position: relative; z-index: 1; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.1); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(0,200,83,0.4));
  transition: filter var(--transition), transform var(--transition);
}
.logo-icon:hover { 
  filter: drop-shadow(0 0 14px rgba(0,200,83,0.7));
  transform: scale(1.05);
}

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.logo-accent { color: var(--primary); }
.logo-tagline {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 16px;
}
.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--primary); background: rgba(0,200,83,0.08); }

.nav-badge {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(0,200,83,0.1);
  border: 1px solid rgba(0,200,83,0.25);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
}
.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.4); }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: 8px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 12px 20px 20px;
  gap: 4px;
  background: rgba(255,255,255,0.98);
  border-top: 1px solid rgba(0,0,0,0.08);
  animation: slideDown 0.25s ease;
}
.mobile-menu.open { display: flex; }
.mobile-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.mobile-link.active { color: var(--primary); background: rgba(0,200,83,0.08); }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Hero ---------- */
.hero {
  padding: 60px 20px 40px;
  text-align: center;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse at center, rgba(0,168,58,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { max-width: 760px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,200,83,0.08);
  border: 1px solid rgba(0,200,83,0.2);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  animation: fadeInUp 0.6s ease;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.gradient-text {
  background: linear-gradient(135deg, #00c853, #69f0ae, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-desc strong { color: var(--primary); }

.desktop-break { display: none; }
@media (min-width: 640px) { .desktop-break { display: block; } }

.trust-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  animation: fadeInUp 0.6s ease 0.3s both;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 100px;
  transition: border-color var(--transition), color var(--transition);
}
.trust-item:hover { border-color: rgba(0,200,83,0.3); color: var(--text-primary); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Exam Info ---------- */
.exam-info-section { padding: 0 0 32px; }
.exam-card {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-xl);
  padding: 22px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  transition: border-color var(--transition);
}
.exam-card:hover { border-color: rgba(0,200,83,0.2); }

.exam-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
}
.exam-icon {
  width: 44px; height: 44px;
  background: rgba(0,200,83,0.1);
  border: 1px solid rgba(0,200,83,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}
.exam-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}
.exam-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

.exam-docs-count {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(0,200,83,0.1);
  border: 1px solid rgba(0,200,83,0.2);
  border-radius: var(--radius-md);
  padding: 8px 16px;
}
.docs-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.docs-label { font-size: 0.7rem; color: var(--text-muted); font-weight: 500; }

.specs-row { display: flex; gap: 12px; flex-wrap: wrap; }
.spec-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.84rem;
  flex: 1;
  min-width: 220px;
}
.photo-chip {
  background: rgba(0,200,83,0.06);
  border: 1px solid rgba(0,200,83,0.2);
}
.sign-chip {
  background: rgba(168,85,247,0.06);
  border: 1px solid rgba(168,85,247,0.2);
}
.chip-label { font-weight: 700; color: var(--text-primary); }
.chip-val { color: var(--text-secondary); }

/* ---------- Tool Section ---------- */
.tool-section { padding: 0 0 60px; position: relative; }

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

.tool-card {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  right: 0; height: 3px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity var(--transition);
}
#signCard::before { background: linear-gradient(90deg, var(--secondary), #a78bfa); }
.tool-card:hover {
  border-color: rgba(0,168,58,0.25);
  box-shadow: 0 8px 36px rgba(0,168,58,0.12);
  transform: translateY(-2px);
}
#signCard:hover { border-color: rgba(124,58,237,0.25); box-shadow: 0 8px 36px rgba(124,58,237,0.1); }
.tool-card:hover::before { opacity: 1; }

/* Card Header */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-indicator {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.photo-indicator { background: var(--primary); box-shadow: 0 0 6px rgba(0,200,83,0.5); }
.sign-indicator { background: var(--secondary); box-shadow: 0 0 6px rgba(168,85,247,0.5); }
.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}
.card-specs-badge {
  background: rgba(0,200,83,0.1);
  border: 1px solid rgba(0,200,83,0.2);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
}
.sign-badge {
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.2);
  color: var(--secondary);
}
.card-actions { display: flex; align-items: center; gap: 8px; }
.info-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.info-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.15); }

/* Upload Zone */
.upload-zone {
  border: 2px dashed rgba(0,0,0,0.13);
  border-radius: var(--radius-lg);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  background: #fafffe;
}
.upload-zone:hover {
  border-color: rgba(0,168,58,0.5);
  background: rgba(0,168,58,0.04);
  transform: scale(1.01);
}
.sign-zone:hover {
  border-color: rgba(124,58,237,0.45);
  background: rgba(124,58,237,0.04);
}
.upload-zone.drag-over {
  border-color: var(--primary);
  background: rgba(0,168,58,0.07);
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(0,168,58,0.18);
}
.sign-zone.drag-over {
  border-color: var(--secondary);
  background: rgba(124,58,237,0.07);
  box-shadow: 0 0 20px rgba(124,58,237,0.15);
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%; height: 100%;
  cursor: pointer;
  z-index: 2;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  pointer-events: none;
}
.upload-icon-wrap {
  width: 72px; height: 72px;
  background: rgba(0,200,83,0.08);
  border: 1px solid rgba(0,200,83,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 4px;
  transition: var(--transition);
}
.sign-icon-wrap {
  background: rgba(168,85,247,0.08);
  border-color: rgba(168,85,247,0.15);
  color: var(--secondary);
}
.upload-zone:hover .photo-icon-wrap { background: rgba(0,200,83,0.15); }
.upload-zone:hover .sign-icon-wrap { background: rgba(168,85,247,0.15); }

.upload-label {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}
.upload-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 500;
}
.sign-zone .upload-hint { color: var(--secondary); }
.upload-hint-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  padding: 4px 10px;
}
.upload-formats { font-size: 0.72rem; color: var(--text-muted); }

/* Preview */
.preview-container {
  position: relative;
  width: 100%; height: 100%;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.preview-img {
  max-width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
}
.sign-preview-img { max-height: 100px; }
.remove-btn {
  position: absolute;
  top: 8px; right: 8px;
  width: 28px; height: 28px;
  background: rgba(239,68,68,0.8);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  transition: var(--transition);
  z-index: 10;
}
.remove-btn:hover { background: #ef4444; transform: scale(1.1); }

/* File Info Row */
.file-info-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.file-info-item {
  background: #f8fafc;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.info-label {
  font-size: 0.67rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.info-val {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}
.info-val.ok { color: var(--success); }
.info-val.warn { color: var(--warning); }
.info-val.err { color: var(--danger); }

/* Specs Bar */
.specs-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.spec-item b { color: var(--text-primary); font-weight: 600; }
.spec-sep { color: var(--text-muted); }

/* Action Button */
.action-btn {
  width: 100%;
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}
.action-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}
.action-btn:hover:not(:disabled)::after { background: rgba(255,255,255,0.08); }
.action-btn:active:not(:disabled) { transform: scale(0.98); }

.photo-btn {
  background: linear-gradient(135deg, #00c853, #00a040);
  color: white;
  box-shadow: 0 4px 20px rgba(0,200,83,0.3);
}
.photo-btn:hover:not(:disabled) { box-shadow: 0 6px 28px rgba(0,200,83,0.45); transform: translateY(-1px); }
.sign-btn {
  background: linear-gradient(135deg, #a855f7, #9333ea);
  color: white;
  box-shadow: 0 4px 20px rgba(168,85,247,0.3);
}
.sign-btn:hover:not(:disabled) { box-shadow: 0 6px 28px rgba(168,85,247,0.45); transform: translateY(-1px); }
.action-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Result */
.result-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #f0faf4;
  border: 1px solid rgba(0,168,58,0.2);
  border-radius: var(--radius-lg);
  padding: 16px;
  animation: fadeInUp 0.4s ease;
}
#signResult { background: #f5f0ff; border-color: rgba(124,58,237,0.2); }

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.result-success {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--success);
  font-size: 0.9rem;
}
#signResult .result-success { color: var(--secondary); }
.result-stats {
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  padding: 4px 10px;
}
.result-preview-wrap {
  display: flex;
  justify-content: center;
  background: #ffffff;
  border: 1px dashed rgba(0,0,0,0.12);
  border-radius: var(--radius-md);
  padding: 12px;
}
.sign-result-wrap { padding: 18px; }
.result-preview-img {
  max-width: 100%;
  max-height: 150px;
  object-fit: contain;
  border-radius: 6px;
}
.sign-result-img { max-height: 70px; }

.download-btn {
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.photo-download {
  background: linear-gradient(135deg, #00c853, #00a040);
  color: white;
  box-shadow: 0 4px 20px rgba(0,200,83,0.3);
}
.photo-download:hover { box-shadow: 0 6px 28px rgba(0,200,83,0.45); transform: translateY(-1px); }
.sign-download {
  background: linear-gradient(135deg, #a855f7, #9333ea);
  color: white;
  box-shadow: 0 4px 20px rgba(168,85,247,0.3);
}
.sign-download:hover { box-shadow: 0 6px 28px rgba(168,85,247,0.45); transform: translateY(-1px); }

/* Processing Overlay */
.processing-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.processing-card {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-xl);
  padding: 40px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.spinner {
  width: 48px; height: 48px;
  border: 3px solid rgba(0,200,83,0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.processing-text {
  font-weight: 700;
  color: #0f172a;
  font-size: 1rem;
}
.processing-sub { color: #64748b; font-size: 0.83rem; }

/* ---------- How It Works ---------- */
.how-section { padding: 64px 20px; background: #f0faf4; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 40px;
}

.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.step-card {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.step-card:hover {
  border-color: rgba(0,168,58,0.35);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,168,58,0.1);
}
.step-number {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}
.step-icon {
  width: 60px; height: 60px;
  background: rgba(0,200,83,0.08);
  border: 1px solid rgba(0,200,83,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-top: 8px;
}
.step-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}
.step-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.step-connector {
  color: var(--text-muted);
  padding: 0 8px;
  flex-shrink: 0;
}

/* ---------- Guidelines ---------- */
.guidelines-section { padding: 0 20px 64px; background: #f4f7f5; }

.guidelines-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.guideline-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: 0 2px 14px rgba(0,0,0,0.06);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.photo-guideline { border: 1px solid rgba(0,200,83,0.15); }
.sign-guideline { border: 1px solid rgba(168,85,247,0.15); }
.photo-guideline:hover { border-color: rgba(0,200,83,0.35); transform: translateY(-2px); }
.sign-guideline:hover { border-color: rgba(168,85,247,0.35); transform: translateY(-2px); }

.guideline-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.guideline-icon { font-size: 1.6rem; }
.guideline-header h3 {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.guideline-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.guideline-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-secondary);
}
.guideline-list li svg { flex-shrink: 0; }

/* ---------- FAQ ---------- */
.faq-section { padding: 0 20px 64px; }
.faq-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.faq-item {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(0,0,0,0.05);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item:hover { border-color: rgba(0,168,58,0.3); box-shadow: 0 4px 20px rgba(0,168,58,0.08); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: #0f172a;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-arrow {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: #94a3b8;
}
.faq-question[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); }
.faq-question[aria-expanded="true"] { color: var(--primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding var(--transition);
  padding: 0 22px;
}
.faq-answer.open {
  max-height: 200px;
  padding: 0 22px 18px;
}
.faq-answer p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: 14px;
}

/* ---------- Footer ---------- */
.footer {
  background: #1a2e1e;
  border-top: 1px solid rgba(0,0,0,0.12);
  padding: 60px 20px 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon-sm { width: 36px; height: 36px; }
.footer-logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}
.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}
.footer-links-col { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.footer-links-col a {
  text-decoration: none;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--primary-light); }
.footer-links-col a.active { color: var(--primary-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
}
.footer-copy {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}
.footer-copy a { color: var(--primary-light); text-decoration: none; }
.footer-copy a:hover { text-decoration: underline; }
.footer-disclaimer { font-size: 0.75rem; color: rgba(255,255,255,0.35); }
.footer-disclaimer a { color: rgba(255,255,255,0.4); }
.footer-disclaimer a:hover { color: rgba(255,255,255,0.6); }

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.86rem;
  font-weight: 500;
  color: #0f172a;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  min-width: 260px;
  max-width: 360px;
  pointer-events: all;
  animation: toastIn 0.3s ease;
}
.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--danger); }
.toast.toast-warning { border-left: 3px solid var(--warning); }
.toast.toast-info { border-left: 3px solid #3b82f6; }
.toast-icon { flex-shrink: 0; }
.toast-out { animation: toastOut 0.3s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(24px); } }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 99990;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.25s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-card {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-xl);
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  animation: modalIn 0.3s ease;
  overflow: hidden;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.93) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.modal-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px 24px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 700px) {
  .tool-grid { grid-template-columns: 1fr; gap: 20px; }
  .guidelines-grid { grid-template-columns: 1fr; }
  .steps-grid { flex-direction: column; align-items: center; }
  .step-connector { transform: rotate(90deg); }
  .step-card { max-width: 100%; width: 100%; }
}

@media (max-width: 600px) {
  .hero { padding: 36px 16px 28px; }
  .hero-title { font-size: 1.7rem; }
  .trust-badges { flex-direction: column; align-items: center; }
  .container { padding: 0 14px; }
  .exam-card { padding: 18px; }
  .exam-card-header { flex-wrap: wrap; }
  .tool-card { padding: 18px; }
  .specs-row { flex-direction: column; }
  .spec-chip { min-width: 0; }
  .file-info-row { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .section-title { font-size: 1.4rem; }
  .faq-question { font-size: 0.85rem; padding: 14px 16px; }
  .faq-answer { padding: 0 16px; }
  .faq-answer.open { padding: 0 16px 14px; }
  .nav-badge { display: none; }
  .toast-container { bottom: 16px; right: 12px; left: 12px; }
  .toast { min-width: 0; max-width: none; }
}

@media (max-width: 380px) {
  .logo-tagline { display: none; }
  .hero-title { font-size: 1.45rem; }
  .upload-zone { min-height: 160px; }
  .upload-icon-wrap { width: 56px; height: 56px; }
}