/* ==========================================================================
   Orthodontics.co.in - Modern, Clean Styles
   ========================================================================== */

:root {
  --bg-main: #0b0f17;
  --bg-card: #131b2a;
  --bg-card-hover: #182337;
  --bg-card-subtle: #0f1622;
  --border-subtle: #1e293b;
  --border-accent: rgba(99, 102, 241, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-glow: rgba(99, 102, 241, 0.25);
  
  --color-accent-teal: #0ea5e9;
  --color-accent-emerald: #10b981;
  --color-accent-amber: #f59e0b;
  --color-accent-rose: #f43f5e;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Subtle background lighting effect */
body::before {
  content: "";
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 450px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(14, 165, 233, 0.05) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --------------------------------------------------------------------------
   Site Header
   -------------------------------------------------------------------------- */
.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(11, 15, 23, 0.85);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.icon-bg {
  fill: #1e293b;
  stroke: #334155;
  stroke-width: 1;
}

.bracket-slot {
  fill: rgba(99, 102, 241, 0.15);
}

.brand-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-tld {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background-color: rgba(99, 102, 241, 0.1);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.arrow-icon {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 4.5rem 0 2.5rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #7dd3fc;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: #38bdf8;
  border-radius: 50%;
  box-shadow: 0 0 8px #38bdf8;
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #ffffff;
  max-width: 800px;
  margin: 0 auto 1.25rem;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   Tool Showcase Card
   -------------------------------------------------------------------------- */
.tool-showcase-section {
  padding: 2rem 0 3.5rem;
}

.tool-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2rem;
  padding: 2.75rem;
  transition: border-color var(--transition-normal);
  position: relative;
}

.tool-card:hover {
  border-color: var(--border-accent);
}

.tool-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tool-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.tool-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-emerald);
  background-color: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.tool-type {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.tool-name {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.tool-subname {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.tool-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.tool-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #cbd5e1;
}

.feature-pill svg {
  width: 15px;
  height: 15px;
  color: #38bdf8;
  flex-shrink: 0;
}

.tool-action-wrap {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 14px var(--color-primary-glow);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary svg {
  width: 16px;
  height: 16px;
}

.tool-url-preview {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Interactive Window Mockup (Right Column)
   -------------------------------------------------------------------------- */
.tool-card-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-window {
  width: 100%;
  background: #0f1624;
  border: 1px solid #283548;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
  user-select: none;
}

.mockup-window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 1rem;
  background-color: #172234;
  border-bottom: 1px solid #283548;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.mockup-window-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #94a3b8;
}

.mockup-image-link {
  position: relative;
  display: block;
  text-decoration: none;
  background-color: #0c121e;
  overflow: hidden;
  line-height: 0;
}

.mockup-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.mockup-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 23, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.overlay-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.15);
  transform: translateY(6px);
  transition: transform var(--transition-normal);
}

.overlay-badge svg {
  width: 16px;
  height: 16px;
}

.mockup-image-link:hover .mockup-image,
.mockup-image-link:focus-visible .mockup-image {
  transform: scale(1.02);
  filter: brightness(0.9);
}

.mockup-image-link:hover .mockup-hover-overlay,
.mockup-image-link:focus-visible .mockup-hover-overlay {
  opacity: 1;
}

.mockup-image-link:hover .overlay-badge,
.mockup-image-link:focus-visible .overlay-badge {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Feedback Trigger & Modal Dialog
   -------------------------------------------------------------------------- */
.feedback-trigger-section {
  padding: 1rem 0 4rem;
  text-align: center;
}

.btn-feedback-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.925rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-feedback-trigger:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.4);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-feedback-trigger svg {
  width: 15px;
  height: 15px;
  color: #818cf8;
}

/* Feedback Dialog Modal */
.feedback-dialog {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background-color: #121a28;
  color: var(--text-primary);
  max-width: 480px;
  width: calc(100% - 2rem);
  margin: auto;
  padding: 0;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.05);
  outline: none;
}

.feedback-dialog::backdrop {
  background: rgba(8, 12, 20, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.dialog-content {
  padding: 1.5rem;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.dialog-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.dialog-close-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.dialog-close-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.contact-form {
  text-align: left;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #94a3b8;
  margin-bottom: 0.35rem;
}

.form-input,
.form-textarea {
  width: 100%;
  background-color: #0b1019;
  border: 1px solid #243043;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: #f8fafc;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #475569;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 105px;
}

.form-footer {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.75rem 1.4rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--color-primary-glow);
  transition: all var(--transition-fast);
}

.btn-submit:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.4);
}

.btn-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-submit svg {
  width: 15px;
  height: 15px;
}

.form-status {
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.form-status.status-success {
  color: #34d399;
}

.form-status.status-error {
  color: #f87171;
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.75rem 0;
  background-color: rgba(11, 15, 23, 0.95);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand {
  font-weight: 600;
  color: var(--text-secondary);
}

.footer-dot {
  color: #334155;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .tool-card {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
  
  .hero-section {
    padding: 3.5rem 0 1.5rem;
  }
}

@media (max-width: 600px) {
  .header-container, .footer-container {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  
  .tool-features {
    grid-template-columns: 1fr;
  }
  
  .mockup-deltas {
    grid-template-columns: 1fr;
  }
  
  .tool-card {
    padding: 1.5rem;
  }
  
  .dialog-content {
    padding: 1.25rem 1rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

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