/* ==========================================================================
   EXIOS ACADEMY - US LANDING PAGE STYLESHEET
   Harmonious HSL Palettes, Glassmorphism, Micro-interactions & Dual Themes
   ========================================================================== */

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

/* --- Theme Variables --- */
:root {
  /* Light Theme (Clinical Academic Look - Exclusive Theme) */
  --bg-primary: hsl(210, 20%, 97%);
  --bg-secondary: hsl(0, 0%, 100%);
  --bg-tertiary: hsl(210, 20%, 92%);
  --text-primary: hsl(222, 47%, 12%);
  --text-secondary: hsl(218, 16%, 38%);
  --accent-gold: hsl(39, 52%, 46%);
  --accent-gold-hover: hsl(39, 60%, 56%);
  --accent-teal: hsl(160, 84%, 30%);
  --accent-teal-hover: hsl(160, 90%, 36%);
  --border-color: rgba(197, 160, 89, 0.3);
  --border-color-soft: rgba(0, 0, 0, 0.08);
  --shadow-primary: rgba(0, 0, 0, 0.08);
  --shadow-glow: rgba(197, 160, 89, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(197, 160, 89, 0.15);
  --input-bg: rgba(255, 255, 255, 0.9);

  /* Fonts */
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --container-width: 1200px;
  --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 24px;
}

/* --- Base Reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  background-image: linear-gradient(rgba(245, 248, 250, 0.85), rgba(245, 248, 250, 0.95)), url('assets/fondo.jpg');
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-color: var(--bg-primary); /* Fallback */
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Layout Utilities --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-lg);
  padding: 60px 40px;
  box-shadow: 0 20px 40px var(--shadow-primary);
  position: relative;
  overflow: hidden;
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--accent-gold), var(--accent-teal));
}

@media (max-width: 768px) {
  .glass-panel {
    padding: 40px 20px;
  }
}

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

.section-alt {
  background-color: transparent;
  padding: 100px 0;
}

.text-center { text-align: center; }
.g-accent { color: var(--accent-gold); }
.g-teal { color: var(--accent-teal); }

/* --- Headers & Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-pretitle {
  color: var(--accent-gold);
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: 48px;
  font-weight: 900;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 680px;
  margin: 0 auto 60px;
}

/* --- Sticky Navigation Bar --- */
.navbar {
  background-color: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color-soft);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 48px;
  width: auto;
}

.logo-text {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--accent-gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Theme Switcher Toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--accent-gold);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.theme-toggle:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: block; }

/* Premium Buttons */
.btn {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, hsl(39, 45%, 45%) 100%);
  color: hsl(222, 47%, 6%);
  box-shadow: 0 4px 15px var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: skewX(-30deg);
  transition: 0.75s;
}

.btn-primary:hover::before {
  left: 120%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
  background: linear-gradient(135deg, var(--accent-gold-hover) 0%, var(--accent-gold) 100%);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* --- Hero Section --- */
.hero {
  padding: 180px 0 120px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(197, 160, 89, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-pre {
  background: rgba(197, 160, 89, 0.08);
  border: 1px solid var(--border-color);
  color: var(--accent-gold);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 30px;
  display: inline-block;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-weight: 400;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-ctas .btn {
  padding: 18px 36px;
  font-size: 15px;
}

.hero-features {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-gold);
}

/* Hero Medical Visualization Card */
.hero-visual {
  position: relative;
}

.medical-card-wrapper {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 12px;
  box-shadow: 0 20px 40px var(--shadow-primary);
  position: relative;
  z-index: 2;
  overflow: hidden;
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform 0.5s ease;
}

.medical-card-wrapper:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.medical-visual-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: calc(var(--border-radius-lg) - 8px);
  filter: brightness(0.9);
}

.floating-badge {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  z-index: 3;
  animation: float 4s ease-in-out infinite;
}

.floating-badge-1 {
  bottom: 30px;
  left: -20px;
  animation-delay: 0s;
}

.floating-badge-2 {
  top: 30px;
  right: -25px;
  animation-delay: 2s;
}

.floating-icon {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-teal);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-badge-2 .floating-icon {
  background-color: rgba(197, 160, 89, 0.1);
  color: var(--accent-gold);
}

.floating-badge-text h4 {
  font-size: 15px;
  font-weight: 800;
}

.floating-badge-text p {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Trust Logo Bar --- */
.trust-bar {
  background-color: transparent;
  border-top: 1px solid var(--border-color-soft);
  border-bottom: 1px solid var(--border-color-soft);
  padding: 40px 0;
  position: relative;
}

.trust-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
}

.trust-title {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.trust-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--border-radius-md);
  padding: 12px 24px;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.trust-logo-item:hover {
  transform: translateY(-2px);
  background: rgba(197, 160, 89, 0.05);
  border-color: var(--accent-gold);
  box-shadow: 0 6px 16px rgba(197, 160, 89, 0.1);
}

.trust-logo-item img {
  height: 100%;
  width: auto;
  max-height: 46px;
  object-fit: contain;
}

/* --- Levels Section --- */
.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.level-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
}

.level-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--border-color);
  transition: var(--transition-smooth);
}

.level-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-color);
  box-shadow: 0 15px 35px var(--shadow-primary);
}

.level-card:hover::before {
  background: linear-gradient(to right, var(--accent-gold), var(--accent-teal));
}

.level-img-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.level-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.level-card:hover .level-img {
  transform: scale(1.08);
}

.level-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--accent-gold);
  color: hsl(222, 47%, 6%);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: 4px;
  text-transform: uppercase;
}

.level-guarantee {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  padding: 20px;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 900;
}

.level-content {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.level-title {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.level-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
  flex: 1;
}

.level-detail-list {
  list-style: none;
  margin-bottom: 24px;
  border-top: 1px solid var(--border-color-soft);
  padding-top: 20px;
}

.level-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
}

.level-detail-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.level-detail-item strong {
  color: var(--text-primary);
}

.level-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.level-price {
  font-family: var(--font-title);
}

.level-price span {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.level-price strong {
  font-size: 26px;
  font-weight: 900;
  color: var(--accent-teal);
}

/* --- Dentist ROI Calculator Section --- */
.calc-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 35px var(--shadow-primary);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.calc-input-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-label {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
}

.calc-val-display {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 900;
  color: var(--accent-gold);
}

/* Customized range input styling */
.slider-input {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--border-color-soft);
  border-radius: 10px;
  outline: none;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-gold);
  cursor: pointer;
  box-shadow: 0 0 10px var(--shadow-glow);
  transition: background 0.15s ease;
}

.slider-input::-webkit-slider-thumb:hover {
  background: var(--accent-gold-hover);
  transform: scale(1.1);
}

.calc-outputs {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.calc-output-title {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.calc-big-num {
  font-family: var(--font-title);
  font-size: 58px;
  font-weight: 900;
  color: var(--accent-teal);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

.calc-output-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.calc-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  border-top: 1px solid var(--border-color-soft);
  padding-top: 24px;
}

.calc-stat-item h5 {
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.calc-stat-item p {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 900;
  color: var(--accent-gold);
}

/* --- Registration Form Section --- */
.register-form-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 50px;
  box-shadow: 0 20px 50px var(--shadow-primary);
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-gold);
}

.form-input {
  background-color: var(--input-bg);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 14px 18px;
  outline: none;
  width: 100%;
  transition: var(--transition-smooth);
}

.form-input:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 10px rgba(197, 160, 89, 0.15);
}

/* Custom Select styling */
select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23c5a059' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 16px;
  padding-right: 48px;
}

/* Terms and conditions scrollbox style */
.terms-scrollbox {
  background-color: var(--input-bg);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-sm);
  height: 180px;
  overflow-y: scroll;
  padding: 20px;
  margin-bottom: 20px;
  font-size: 12px;
  color: var(--text-secondary);
}

.terms-scrollbox h4 {
  font-size: 13px;
  margin-bottom: 12px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.terms-scrollbox p {
  margin-bottom: 12px;
}

.terms-scrollbox ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.terms-scrollbox li {
  margin-bottom: 6px;
}

/* Scrollbar Customization */
.terms-scrollbox::-webkit-scrollbar {
  width: 6px;
}
.terms-scrollbox::-webkit-scrollbar-track {
  background: transparent;
}
.terms-scrollbox::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 10px;
}

/* Checkbox alignment */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 30px;
  cursor: pointer;
}

.checkbox-input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  display: inline-block;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 3px;
  transition: var(--transition-smooth);
}

.checkbox-input:checked {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
}

.checkbox-input:checked::before {
  content: '\2713';
  position: absolute;
  color: hsl(222, 47%, 6%);
  font-size: 12px;
  font-weight: 800;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.checkbox-label {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Dynamic Anti-Bot Captcha Widget */
.captcha-container {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}

.captcha-question {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.captcha-shield-icon {
  color: var(--accent-gold);
  width: 18px;
  height: 18px;
}

.captcha-interactive {
  display: flex;
  gap: 10px;
  align-items: center;
}

.captcha-option-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color-soft);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  transition: var(--transition-smooth);
}

.captcha-option-btn:hover {
  border-color: var(--accent-gold);
  background-color: var(--border-color-soft);
}

.captcha-option-btn.selected {
  background: var(--accent-teal);
  color: hsl(222, 47%, 6%);
  border-color: var(--accent-teal);
}

.form-feedback {
  padding: 12px;
  border-radius: 4px;
  font-size: 14px;
  text-align: center;
  margin-bottom: 20px;
  display: none;
  font-weight: 600;
}

.form-feedback.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-teal);
  border: 1px solid var(--accent-teal);
}

.form-feedback.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid #ef4444;
}

/* --- What's Included / Resort Section --- */
.inclusions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.inclusion-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-md);
  padding: 30px;
  transition: var(--transition-smooth);
  text-align: center;
}

.inclusion-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.inclusion-icon {
  background-color: rgba(197, 160, 89, 0.08);
  color: var(--accent-gold);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: var(--transition-smooth);
}

.inclusion-card:hover .inclusion-icon {
  background-color: var(--accent-gold);
  color: hsl(222, 47%, 6%);
  transform: rotate(360deg);
}

.inclusion-icon svg {
  width: 26px;
  height: 26px;
}

.inclusion-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.inclusion-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Premium Comparison Table Section */
.comparison-wrapper {
  margin-top: 60px;
  overflow-x: auto;
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color-soft);
}

.comp-table th, .comp-table td {
  padding: 18px 24px;
  font-size: 14px;
}

.comp-table th {
  background-color: var(--bg-tertiary);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  border-bottom: 2px solid var(--border-color);
}

.comp-table tr {
  border-bottom: 1px solid var(--border-color-soft);
}

.comp-table tr:last-child {
  border-bottom: none;
}

.comp-table td strong {
  font-weight: 700;
  color: var(--text-primary);
}

.comp-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.comp-badge.yes {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-teal);
}

.comp-badge.no {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* --- Faculty Grid Section --- */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.faculty-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
  text-align: center;
}

.faculty-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
}

.faculty-img-wrap {
  position: relative;
  height: 250px;
  overflow: hidden;
  background-color: #0b1122;
}

.faculty-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.faculty-card:hover .faculty-img {
  transform: scale(1.06);
}

.faculty-accreditation {
  position: absolute;
  bottom: 10px;
  left: 10px;
  height: 24px;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.faculty-info {
  padding: 16px;
}

.faculty-name {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.faculty-spec {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.faculty-role {
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
}

.faculty-languages {
  font-size: 12px;
  margin-top: 10px;
  color: var(--text-secondary);
  display: flex;
  justify-content: center;
  gap: 8px;
}

/* --- Dynamic FAQ Accordion --- */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-soft);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-header {
  padding: 24px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-header:hover {
  background-color: var(--border-color-soft);
}

.faq-question {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
}

.faq-trigger {
  color: var(--accent-gold);
  font-size: 24px;
  font-weight: 300;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-trigger {
  transform: rotate(45deg);
}

.faq-item.active {
  border-color: var(--accent-gold);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.faq-item.active .faq-body {
  max-height: 1000px;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

.faq-content {
  padding: 0 30px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border-color-soft);
  padding-top: 20px;
}

/* --- Footer --- */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color-soft);
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-branding {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 320px;
}

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

.footer-accredit span {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
}

.footer-accredit-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  align-self: flex-start;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-col-title {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-color-soft);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a:hover {
  color: var(--accent-gold);
}

/* --- Floating Actions --- */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--accent-teal);
  color: hsl(222, 47%, 6%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
  z-index: 999;
  transition: var(--transition-smooth);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 15px 30px rgba(16, 185, 129, 0.6);
  background-color: var(--accent-teal-hover);
}

.whatsapp-float svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* --- Responsive Adjustments --- */

/* Tablet & Smaller Devices (max 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-features {
    justify-content: center;
  }
  .medical-card-wrapper {
    max-width: 500px;
    margin: 0 auto;
    transform: none !important;
  }
  .levels-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .levels-grid > :last-child {
    grid-column: 1 / -1;
    max-width: 50vw;
    margin: 0 auto;
  }
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .inclusions-grid {
    grid-template-columns: 1fr 1fr;
  }
  .faculty-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-branding {
    grid-column: 1 / -1;
  }
}

/* Mobile Devices (max 768px) */
@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
  .navbar-container {
    height: 70px;
  }
  .nav-links {
    display: none; /* simple hidden links on mobile */
  }
  .hero-title {
    font-size: 40px;
  }
  .section-title {
    font-size: 34px;
  }
  .levels-grid {
    grid-template-columns: 1fr;
  }
  .levels-grid > :last-child {
    max-width: 100%;
  }
  .calc-wrapper {
    padding: 24px;
  }
  .calc-big-num {
    font-size: 42px;
  }
  .register-form-box {
    padding: 30px 20px;
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .inclusions-grid {
    grid-template-columns: 1fr;
  }
  .faculty-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .faculty-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto;
  }
}

/* ==========================================================================
   New Major Revisions & Premium Elements Styles
   ========================================================================== */

/* Credentials Badge */
.credentials-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: hsl(160, 80%, 25%);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 16px;
  animation: pulse-teal 3s infinite;
}
@keyframes pulse-teal {
  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); }
}

/* Trust Badge Label Formatting */
.trust-logo-item {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  min-height: 120px !important;
  height: auto !important;
  padding: 16px 20px !important;
}
.trust-badge-top {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}
.trust-badge-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-gold);
  background: rgba(197, 160, 89, 0.05);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(197, 160, 89, 0.2);
  margin-top: 4px;
}
.trust-badge-label.highlight-teal {
  color: var(--accent-teal);
  background: rgba(16, 185, 129, 0.04);
  border-color: rgba(16, 185, 129, 0.2);
}

/* Tuition Discounts Banner */
.discounts-banner {
  margin: 40px auto 0;
  max-width: 100%;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(197, 160, 89, 0.06) 100%);
  border: 1px solid rgba(197, 160, 89, 0.2);
  border-radius: var(--border-radius-md);
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}
.discounts-title {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-gold);
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.discounts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.discount-box {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--border-radius-sm);
  padding: 20px;
  transition: var(--transition-smooth);
}
.discount-box:hover {
  transform: translateY(-2px);
  border-color: var(--accent-gold);
}
.discount-amount {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 900;
  color: var(--accent-teal);
  margin-bottom: 5px;
}
.discount-name {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.discount-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}
.discount-cumulative-box {
  grid-column: span 2;
  background: rgba(16, 185, 129, 0.1);
  border: 1px dashed rgba(16, 185, 129, 0.3);
  padding: 15px;
  border-radius: 8px;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

@media (max-width: 768px) {
  .discounts-grid {
    grid-template-columns: 1fr;
  }
  .discount-cumulative-box {
    grid-column: span 1;
  }
}

/* Local SVG Flag styling for cross-OS compatibility */
.trust-flag-img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  display: inline-block;
  vertical-align: middle;
}
.lang-flag-img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  display: inline-block;
  vertical-align: middle;
}
.faculty-languages {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  margin-top: 8px !important;
}

/* Sessions schedule timeline styling */
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}
.session-date-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px;
  position: relative;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  text-align: left;
}
.session-date-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-gold);
  box-shadow: 0 8px 25px rgba(197, 160, 89, 0.15);
}
@media (max-width: 900px) {
  .sessions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .sessions-grid {
    grid-template-columns: 1fr;
  }
}