/* 
  Modern, Responsive CSS with Dark/Light Mode
  CSS Variables Setup
*/
:root {
  --bg-color-main: #ffffff;
  --bg-color-alt: #f8f9fa;
  --text-main: #343a40;
  --text-muted: #6c757d;
  --card-bg: #ffffff;
  --border-color: #dee2e6;

  --primary-color: #4f46e5;
  --secondary-color: #7c3aed;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);

  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 20px 25px rgba(0, 0, 0, 0.15);
  --transition-speed: 0.3s ease;
  --border-radius-lg: 1rem;
}

[data-theme="dark"] {
  --bg-color-main: #111827;
  --bg-color-alt: #1f2937;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --card-bg: #1f2937;
  --border-color: #374151;

  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 25px rgba(0, 0, 0, 0.6);
}

body {
  background-color: var(--bg-color-main);
  color: var(--text-main);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  overflow-x: hidden;
}

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

.text-muted-custom {
  color: var(--text-muted) !important;
}

.bg-alt {
  background-color: var(--bg-color-alt);
}

/* Typography elements transition */
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
label {
  transition: color var(--transition-speed);
}

/* Custom Primary Button */
.custom-btn-primary {
  background: var(--primary-gradient);
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.custom-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.4);
}

/* Navigation */
.custom-navbar {
  background-color: var(--bg-color-main);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed);
}

.custom-navbar .nav-link {
  color: var(--text-main);
  font-weight: 500;
  transition: color 0.2s;
}

.custom-navbar .nav-link:hover,
.custom-navbar .nav-link.active {
  color: var(--primary-color);
}

/* Logo Styling */
.navbar-brand {
  display: flex !important;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem !important;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: rotate(45deg);
  animation: logo-shimmer 3s infinite;
}

@keyframes logo-shimmer {
  0% {
    transform: translateX(-100%) rotate(45deg);
  }

  100% {
    transform: translateX(100%) rotate(45deg);
  }
}

.logo-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

button#theme-toggle.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 2px solid transparent !important;
  background: linear-gradient(var(--bg-color-main), var(--bg-color-main)) padding-box,
    var(--primary-gradient) border-box !important;
  color: var(--primary-color) !important;
  border-radius: 50% !important;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2) !important;
  font-size: 1.25rem;
  position: relative;
  z-index: 1;
  padding: 0;
}

button#theme-toggle.btn::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: var(--primary-gradient);
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

button#theme-toggle.btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4) !important;
  color: #fff !important;
  background: transparent !important;
}

button#theme-toggle.btn:hover::after {
  opacity: 1;
}

/* Dark mode specific styling for the toggle */
[data-theme="dark"] button#theme-toggle.btn {
  background: linear-gradient(var(--bg-color-alt), var(--bg-color-alt)) padding-box,
    linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%) border-box !important;
  color: #fbbf24 !important;
  box-shadow: 0 4px 15px rgba(251, 191, 36, 0.2) !important;
}

[data-theme="dark"] button#theme-toggle.btn::after {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

[data-theme="dark"] button#theme-toggle.btn:hover {
  color: #111827 !important;
  box-shadow: 0 10px 25px rgba(251, 191, 36, 0.4) !important;
}

/* Hero Section */
.hero-section {
  padding: 8rem 0 5rem;
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 100%;
  background: radial-gradient(circle at center, rgba(79, 70, 229, 0.1) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}

/* Tool Cards */
.tool-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.custom-textarea {
  min-height: 1300px;
  resize: vertical;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color-alt);
  color: var(--text-main);
  border-radius: 0.75rem;
  padding: 1.5rem;
  font-size: 1.15rem;
  line-height: 1.8;
}

.custom-textarea:focus {
  background-color: var(--bg-color-alt);
  color: var(--text-main);
  box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.25);
  border-color: var(--primary-color);
}

.controls-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.custom-select {
  background-color: var(--bg-color-alt);
  color: var(--text-main);
  border-color: var(--border-color);
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(var(--card-bg), 0.8);
  backdrop-filter: blur(2px);
  z-index: 10;
  border-radius: var(--border-radius-lg);
}

[data-theme="dark"] .loading-overlay {
  background: rgba(31, 41, 55, 0.8);
}

.who-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-top: 10px;
  transition: transform var(--transition-speed);
}

.who-should-use .col-sm-4:hover .who-img {
  transform: scale(1.05);
}

/* Step Cards & Features */
.step-card,
.feature-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.step-card:hover,
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.icon-box {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  color: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

/* Accordion */
.custom-accordion .accordion-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color) !important;
}

.custom-accordion .accordion-button {
  background-color: var(--card-bg);
  color: var(--text-main);
  box-shadow: none;
}

.custom-accordion .accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: rgba(79, 70, 229, 0.05);
}

/* Testimonials */
.testimonial-card {
  background-color: var(--bg-color-main);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
}

/* Blog Cards */
.blog-preview {
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
  border-top: 1px solid var(--border-color);
}

.blog-preview .card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color) !important;
}

.blog-preview .card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.blog-preview .card-img-top {
  transition: height 0.3s ease;
}

.blog-preview .card-title {
  color: var(--text-main);
  font-size: 1.15rem;
}

.blog-preview .card-text {
  font-size: 0.9rem;
}

/* Footer */
.footer-section {
  background: var(--primary-gradient);
  border-top: none;
  padding: 5rem 0 3rem;
  color: white;
}

[data-theme="dark"] .footer-section {
  background: var(--primary-gradient);
}

.footer-section h4,
.footer-section h6,
.footer-section p,
.footer-section .text-muted-custom {
  color: white !important;
  opacity: 0.9;
}

.footer-section hr {
  border-color: rgba(255, 255, 255, 0.2) !important;
}

.footer-logo .logo-icon {
  background: white;
  color: var(--primary-color);
}

.footer-logo .logo-text {
  background: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.footer-links a:hover {
  color: white;
  transform: translateX(3px);
}

.social-icons a {
  display: inline-block;
  width: 35px;
  height: 35px;
  line-height: 35px;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: 50%;
  margin-right: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.social-icons a:hover {
  background: white;
  color: var(--primary-color);
  border-color: transparent;
  transform: translateY(-3px);
}

/* Base Styles specific to internal pages */
.page-header {
  padding: 6rem 0 3rem;
  background: var(--bg-color-alt);
  border-bottom: 1px solid var(--border-color);
}

.content-section {
  padding: 4rem 0;
  line-height: 1.8;
}

.content-section h2,
.content-section h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* ========================================
   PREMIUM SCORE CARDS
   ======================================== */
.premium-score-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1.5rem 1.6rem 1.2rem;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.premium-score-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #10b981, #34d399);
  border-radius: 1.25rem 1.25rem 0 0;
}

#read-score-card::before {
  background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

.premium-score-card:hover {
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.15);
  transform: translateY(-3px);
}

#read-score-card:hover {
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.15);
}

/* Header Row */
.score-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.score-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.score-icon-green {
  background: linear-gradient(135deg, #10b981, #34d399);
}

.score-icon-blue {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
}

.score-title-block {
  flex: 1;
}

.score-card-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
  letter-spacing: 0.01em;
}

.score-card-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Big badge score number */
.score-badge-wrap {
  flex-shrink: 0;
}

.score-big-badge {
  font-size: 1.45rem;
  font-weight: 800;
  color: #10b981;
  line-height: 1;
  letter-spacing: -0.5px;
  transition: all 0.4s ease;
}

.score-big-badge-blue {
  color: #3b82f6;
}

/* Segmented Progress Bar */
.segmented-bar-track {
  position: relative;
  height: 18px;
  background: var(--bg-color-alt);
  border-radius: 100px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin-bottom: 1rem;
}

.segmented-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 100px;
  background: linear-gradient(90deg, #10b981 0%, #34d399 60%, #6ee7b7 100%);
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  z-index: 1;
}

.segmented-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
  animation: bar-shine 2.5s infinite;
}

@keyframes bar-shine {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.segmented-bar-fill-blue {
  background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 60%, #93c5fd 100%);
}

/* Segmented divider dots overlay */
.segmented-bar-dots {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg,
      transparent 0px,
      transparent calc(10% - 1px),
      var(--bg-color-main) calc(10% - 1px),
      var(--bg-color-main) 10%);
}

/* Footer Row */
.score-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.score-grade-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.25);
  transition: all 0.4s ease;
}

.score-grade-pill-blue {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.25);
}

.score-detail-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: right;
}

/* Dark mode adjustments */
[data-theme="dark"] .premium-score-card {
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .score-big-badge {
  color: #34d399;
}

[data-theme="dark"] .score-big-badge-blue {
  color: #60a5fa;
}

[data-theme="dark"] .score-grade-pill {
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.25);
}

[data-theme="dark"] .score-grade-pill-blue {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.25);
}

[data-theme="dark"] .segmented-bar-dots {
  background-image: repeating-linear-gradient(90deg,
      transparent 0px,
      transparent calc(10% - 1px),
      var(--bg-color-main) calc(10% - 1px),
      var(--bg-color-main) 10%);
}

/* Score card pulse on new result */
@keyframes score-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@keyframes score-pulse-blue {
  0% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
  }
}

.score-pulse-green {
  animation: score-pulse 0.8s ease-out;
}

.score-pulse-blue {
  animation: score-pulse-blue 0.8s ease-out;
}