/* ==========================================================================
   DIANA RYCHINA PREMIUM LANDING PAGE - CUSTOM CSS
   ========================================================================== */

/* Imports */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --color-bg-base: #050505;
  --color-bg-surface: #121212;
  --color-bg-card: #181818;
  --color-bg-glass: rgba(18, 18, 18, 0.75);
  --color-border-glass: rgba(212, 175, 55, 0.15);
  --color-border-subtle: rgba(255, 255, 255, 0.07);
  
  --color-primary: #D4AF37; /* Champagne Gold */
  --color-primary-light: #F3E5AB;
  --color-primary-dark: #AA7C11;
  --color-gold-gradient: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 50%, #AA7C11 100%);
  
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #A3A3A3;
  --color-text-muted: #666666;
  
  --font-heading: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-premium: 0 15px 35px rgba(0, 0, 0, 0.5), 0 5px 15px rgba(0, 0, 0, 0.3);
  --shadow-gold-glow: 0 0 25px rgba(212, 175, 55, 0.25);
  --shadow-gold-glow-hover: 0 0 40px rgba(212, 175, 55, 0.45);
  
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s ease;
  
  --blur-glass: 12px;
  --border-radius-lg: 16px;
  --border-radius-md: 8px;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  text-align: center;
  position: relative;
  margin-bottom: 3rem;
  font-style: italic;
}

h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-gold-gradient);
  margin: 1rem auto 0;
}

p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-weight: 300;
}

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--color-bg-surface);
  border: 2px solid var(--color-bg-base);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Layout Elements */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 8rem 0;
  position: relative;
}

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

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(5, 5, 5, 0.4);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border-bottom: 1px solid var(--color-border-subtle);
  transition: var(--transition-smooth);
}

header.scrolled {
  background: rgba(5, 5, 5, 0.9);
  padding: 0.5rem 0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 1.5rem;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  background: var(--color-gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 400;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.burger {
  display: none;
  cursor: pointer;
  z-index: 1001;
}

.burger div {
  width: 25px;
  height: 2px;
  background-color: var(--color-text-primary);
  margin: 5px;
  transition: var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-gold-gradient);
  color: #000;
  font-weight: 600;
  box-shadow: var(--shadow-gold-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold-glow-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
  transform: translateY(-3px);
}

.btn-small {
  padding: 0.6rem 1.4rem;
  font-size: 0.75rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(circle at 70% 30%, rgba(212, 175, 55, 0.12) 0%, rgba(5, 5, 5, 1) 70%);
  padding-top: 100px;
  overflow: hidden;
}

.hero-bg-container {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  z-index: 1;
  opacity: 0.85;
  mask-image: linear-gradient(to left, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  animation: fadeIn 1.2s ease-out forwards;
}

.hero-tagline {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: block;
}

.hero-title {
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.hero-title span {
  font-weight: 600;
  background: var(--color-gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  color: var(--color-text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border: 1px solid var(--color-border-glass);
  padding: 1.5rem;
  box-shadow: var(--shadow-premium);
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  width: 40px;
  height: 40px;
  border-top: 1px solid var(--color-primary);
  border-left: 1px solid var(--color-primary);
}

.about-image-wrapper::after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 40px;
  height: 40px;
  border-bottom: 1px solid var(--color-primary);
  border-right: 1px solid var(--color-primary);
}

.about-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-title {
  font-size: 2.8rem;
  font-style: italic;
  margin-bottom: 0.5rem;
}

.about-subtitle {
  color: var(--color-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.about-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 1rem;
}

.about-bullets li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.about-bullets li svg {
  fill: var(--color-primary);
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 3px;
}

.about-bullets li strong {
  color: var(--color-text-primary);
  font-weight: 500;
}

.about-bullets li span {
  font-weight: 300;
  color: var(--color-text-secondary);
}

/* Formats Section */
.formats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

.format-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-premium), var(--shadow-gold-glow);
}

.format-image-box {
  width: 100%;
  height: 280px;
  overflow: hidden;
  position: relative;
}

.format-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.format-card:hover .format-img {
  transform: scale(1.05);
}

.format-info {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.format-type {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.2em;
}

.format-name {
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.3;
}

.format-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  font-weight: 300;
}

/* Benefits Section */
.benefits {
  background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.05) 0%, rgba(5, 5, 5, 1) 80%);
  border-top: 1px solid var(--color-border-subtle);
}

.benefits-wrapper {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3.5rem;
  margin-top: 4rem;
}

.benefits-tabs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.benefit-tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  padding: 1.8rem;
  text-align: left;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.benefit-tab-btn h4 {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.benefit-tab-btn p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.benefit-tab-btn:hover {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.04);
}

.benefit-tab-btn.active {
  background: rgba(212, 175, 55, 0.08);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-gold-glow);
}

.benefit-tab-btn.active h4 {
  color: var(--color-primary-light);
}

.benefit-content-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--border-radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-premium);
  display: none;
  animation: fadeIn 0.6s ease;
}

.benefit-content-card.active {
  display: block;
}

.benefit-card-title {
  font-size: 2.2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.benefit-card-intro {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.benefit-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.benefit-point-item {
  display: flex;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.01);
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border-subtle);
  transition: var(--transition-fast);
  cursor: pointer;
}

.benefit-point-item:hover {
  border-color: var(--color-primary-light);
  background: rgba(255, 255, 255, 0.03);
  transform: translateX(5px);
}

.benefit-point-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  line-height: 1;
}

.benefit-point-text h5 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.benefit-point-text p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* Trial booking section */
.trial {
  background: radial-gradient(circle at 10% 80%, rgba(212, 175, 55, 0.08) 0%, rgba(5, 5, 5, 1) 50%);
}

.trial-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.trial-content h2 {
  text-align: left;
  margin-bottom: 2rem;
}

.trial-content h2::after {
  margin: 1rem 0 0;
}

.trial-info-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.trial-info-item {
  display: flex;
  gap: 1.5rem;
}

.trial-info-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trial-info-icon svg {
  fill: var(--color-primary);
  width: 24px;
  height: 24px;
}

.trial-info-text h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.trial-info-text p {
  font-size: 0.9rem;
}

/* Booking Form Options */
.format-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 0.5rem;
}

.format-option-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  padding: 0.8rem 0.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.format-option-btn.selected {
  background: var(--color-primary);
  color: #000;
  border-color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.format-option-btn:hover:not(.selected) {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.06);
}

/* Booking Card */
.booking-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border: 1px solid var(--color-border-glass);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-premium);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}

.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-subtle);
  padding: 1rem;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.06);
}

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

.time-slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.time-slot {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-subtle);
  padding: 0.6rem 0.2rem;
  text-align: center;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.time-slot.selected {
  background: var(--color-primary);
  color: #000;
  border-color: var(--color-primary);
  font-weight: 600;
}

.time-slot:hover:not(.selected) {
  border-color: var(--color-primary);
}

.btn-submit {
  width: 100%;
  margin-top: 1.5rem;
}

.success-message {
  display: none;
  text-align: center;
  padding: 2rem 0;
  animation: scaleIn 0.5s ease-out forwards;
}

.success-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.success-icon svg {
  fill: var(--color-primary);
  width: 35px;
  height: 35px;
}

.success-message h3 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  font-style: italic;
}

.success-message p {
  margin-bottom: 2rem;
}

/* Tariffs Section */
.tariffs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  align-items: stretch;
}

.tariff-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 3.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.tariff-card.popular {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.05) 0%, rgba(18, 18, 18, 1) 100%);
  box-shadow: var(--shadow-premium), var(--shadow-gold-glow);
  transform: scale(1.03);
}

.tariff-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--color-gold-gradient);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tariff-header {
  margin-bottom: 2rem;
}

.tariff-name {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.tariff-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.tariff-price {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: var(--color-primary);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: baseline;
}

.tariff-price span {
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  margin-left: 0.5rem;
  text-transform: lowercase;
}

.tariff-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
  flex-grow: 1;
}

.tariff-features li {
  display: flex;
  gap: 0.8rem;
  font-size: 0.95rem;
  font-weight: 300;
}

.tariff-features li svg {
  fill: var(--color-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.tariff-features li.disabled {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

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

.tariff-btn {
  width: 100%;
}

/* Reviews Section */
.reviews {
  background: radial-gradient(circle at 90% 20%, rgba(212, 175, 55, 0.08) 0%, rgba(5, 5, 5, 1) 60%);
  overflow: hidden;
}

.reviews-carousel {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  min-height: 350px;
}

.review-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: translateX(100px);
  pointer-events: none;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.review-slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.review-quote {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  line-height: 1.4;
  font-style: italic;
  margin-bottom: 2.5rem;
  position: relative;
}

.review-quote::before {
  content: '“';
  font-family: var(--font-heading);
  font-size: 6rem;
  color: rgba(212, 175, 55, 0.1);
  position: absolute;
  top: -4.5rem;
  left: -2rem;
}

.review-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.review-author-img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
}

.review-author-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
}

.review-author-role {
  font-size: 0.8rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
}

.carousel-btn {
  background: transparent;
  border: 1px solid var(--color-border-glass);
  color: var(--color-text-primary);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.carousel-btn:hover {
  border-color: var(--color-primary);
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
}

.carousel-btn svg {
  fill: currentColor;
  width: 20px;
  height: 20px;
}

/* LMS/Cabinet Section (Interactive Mock) */
.lms {
  background-color: var(--color-bg-base);
  border-top: 1px solid var(--color-border-subtle);
  padding: 8rem 0;
}

.lms-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.lms-intro p {
  margin-top: 1rem;
}

.lms-wrapper {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  min-height: 650px;
  display: flex;
  flex-direction: column;
}

/* LMS Auth View */
.lms-auth {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  text-align: center;
}

.lms-auth-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.lms-auth-icon svg {
  fill: var(--color-primary);
  width: 35px;
  height: 35px;
}

.lms-auth h3 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.lms-auth p {
  max-width: 450px;
  margin-bottom: 2.5rem;
}

/* LMS Main Layout (Once Logged In) */
.lms-main {
  display: none; /* Controlled by JS */
  flex-grow: 1;
  grid-template-columns: 260px 1fr;
}

/* LMS Sidebar */
.lms-sidebar {
  background: rgba(10, 10, 10, 0.85);
  border-right: 1px solid var(--color-border-subtle);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lms-user-profile {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 2rem;
}

.lms-user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: 700;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.lms-user-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.lms-user-status {
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lms-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.lms-menu-item button {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  text-align: left;
  padding: 0.8rem 1rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition-fast);
}

.lms-menu-item button svg {
  fill: currentColor;
  width: 20px;
  height: 20px;
}

.lms-menu-item button:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-primary);
}

.lms-menu-item.active button {
  background: rgba(212, 175, 55, 0.15);
  color: var(--color-primary);
  font-weight: 500;
}

.lms-logout {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  transition: var(--transition-fast);
}

.lms-logout:hover {
  color: #FF5A5F;
}

.lms-logout svg {
  fill: currentColor;
  width: 18px;
  height: 18px;
}

/* LMS Content Area */
.lms-content {
  padding: 2.5rem;
  overflow-y: auto;
  max-height: 650px;
}

.lms-tab-panel {
  display: none; /* Controlled by JS */
  animation: fadeIn 0.5s ease;
}

.lms-tab-panel.active {
  display: block;
}

.lms-section-title {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.lms-section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

/* Tab: Courses */
.lms-courses-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.lms-course-card {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: var(--transition-fast);
  cursor: pointer;
}

.lms-course-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.lms-course-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.lms-course-tag {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lms-course-lessons-count {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.lms-course-title {
  font-size: 1.5rem;
  font-family: var(--font-heading);
}

.lms-course-progress {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lms-progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50px;
  overflow: hidden;
}

.lms-progress-bar-fill {
  height: 100%;
  background: var(--color-gold-gradient);
  border-radius: 50px;
  transition: width 0.8s ease;
}

.lms-progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* Tab: Course Player (Dynamic Screen inside Courses) */
.lms-course-player {
  display: none; /* Managed by JS */
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  animation: fadeIn 0.4s ease;
}

.lms-player-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.lms-video-container {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lms-video-placeholder {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.lms-video-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
}

.lms-play-btn {
  background: var(--color-gold-gradient);
  border: none;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: var(--shadow-gold-glow);
  transition: var(--transition-smooth);
}

.lms-play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.6);
}

.lms-play-btn svg {
  fill: #000;
  width: 32px;
  height: 32px;
  margin-left: 5px; /* Visual center adjustment */
}

.lms-lesson-title {
  font-size: 1.8rem;
  font-family: var(--font-heading);
}

.lms-lesson-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.lms-player-sidebar {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 500px;
  overflow-y: auto;
}

.lms-sidebar-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.lms-lessons-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.lms-lesson-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.lms-lesson-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.lms-lesson-item.active {
  background: rgba(212, 175, 55, 0.08);
  border-color: rgba(212, 175, 55, 0.3);
  color: var(--color-primary);
}

.lms-lesson-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.lms-lesson-number {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.lms-lesson-name {
  font-size: 0.85rem;
  font-weight: 500;
}

.lms-lesson-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.lms-lesson-item.completed .lms-lesson-check {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.lms-lesson-item.completed .lms-lesson-check svg {
  fill: #000;
  width: 10px;
  height: 10px;
  display: block;
}

.lms-lesson-check svg {
  display: none;
}

.lms-back-btn {
  background: transparent;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  align-self: flex-start;
  margin-bottom: 1.5rem;
}

.lms-back-btn svg {
  fill: currentColor;
  width: 16px;
  height: 16px;
}

/* Tab: Schedule */
.lms-schedule-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.lms-schedule-item {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lms-schedule-info {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.lms-schedule-date-box {
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--color-border-glass);
  width: 70px;
  height: 70px;
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-primary);
}

.lms-schedule-date-day {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-body);
  line-height: 1;
}

.lms-schedule-date-month {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.lms-schedule-text h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.lms-schedule-text p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.lms-schedule-status {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-border-glass);
  padding: 0.4rem 1rem;
  border-radius: 50px;
}

/* Tab: Progress */
.lms-progress-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.lms-stats-card {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.lms-stats-title {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
}

.lms-stats-number {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--color-primary);
  line-height: 1;
}

.lms-stats-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.lms-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.lms-badge-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-md);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  width: calc(50% - 0.5rem);
}

.lms-badge-item.unlocked {
  border-color: var(--color-border-glass);
  background: rgba(212, 175, 55, 0.02);
}

.lms-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.lms-badge-item.unlocked .lms-badge-icon {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
}

.lms-badge-icon svg {
  fill: currentColor;
  width: 20px;
  height: 20px;
}

.lms-badge-text h5 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
}

.lms-badge-text p {
  font-size: 0.75rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 90%;
  padding: 3rem;
  position: relative;
  box-shadow: var(--shadow-premium), var(--shadow-gold-glow);
  transform: translateY(30px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.5rem;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text-primary);
}

.modal-close svg {
  fill: currentColor;
  width: 20px;
  height: 20px;
}

.modal-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  font-style: italic;
  text-align: center;
}

.modal-desc {
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

/* Footer */
footer {
  background: #020202;
  border-top: 1px solid var(--color-border-subtle);
  padding: 5rem 0;
  color: var(--color-text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-about {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-about p {
  font-size: 0.95rem;
}

.footer-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-link {
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--color-primary);
}

.social-links {
  display: flex;
  gap: 1.2rem;
}

.social-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.social-icon-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.social-icon-btn svg {
  fill: currentColor;
  width: 20px;
  height: 20px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero-bg-container {
    opacity: 0.5;
    width: 100%;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  }
  
  .hero-content {
    max-width: 100%;
    text-align: center;
    padding: 0 1rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .about-image-wrapper {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .formats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tariffs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .trial-wrapper {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .trial-content h2 {
    text-align: center;
  }
  
  .trial-content h2::after {
    margin: 1rem auto 0;
  }
  
  .lms-main {
    grid-template-columns: 1fr;
  }
  
  .lms-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--color-border-subtle);
    flex-direction: row;
    align-items: center;
    padding: 1.5rem;
  }
  
  .lms-user-profile {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }
  
  .lms-menu {
    flex-direction: row;
    gap: 0.2rem;
    justify-content: flex-end;
  }
  
  .lms-logout {
    display: none; /* Hide or move in responsive */
  }
}

@media (max-width: 768px) {
  section {
    padding: 5rem 0;
  }
  
  .burger {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 80%;
    max-width: 300px;
    background: #0A0A0A;
    border-left: 1px solid var(--color-border-subtle);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    transition: 0.5s ease;
    z-index: 999;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .formats-grid, .tariffs-grid {
    grid-template-columns: 1fr;
  }
  
  .tariff-card.popular {
    transform: scale(1);
  }
  
  .booking-card {
    padding: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .lms-courses-list {
    grid-template-columns: 1fr;
  }
  
  .lms-course-player {
    grid-template-columns: 1fr;
  }
  
  .lms-sidebar {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .lms-menu {
    width: 100%;
    justify-content: space-around;
  }
  
  .lms-progress-grid {
    grid-template-columns: 1fr;
  }
  
  .lms-badges {
    justify-content: space-between;
  }
  
  .lms-badge-item {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}