:root {
  --bg: #052826;
  --bg-soft: #083d3a;
  --card: rgba(8, 61, 58, 0.6);
  --card-strong: #0a4d4a;
  --text: #f3f7ff;
  --muted: #a3c9c6;
  --primary: #4fd1c5;
  --primary-dark: #18a999;
  --border: rgba(163, 201, 198, 0.1);
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.45);
  --radius: 24px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: radial-gradient(circle at center, #0e5c58 0%, #052826 100%);
  background-attachment: fixed;
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(5, 40, 38, 0.4);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.mobile-nav-actions {
  display: none;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  position: relative;
  padding: 10px 0;
  transition: color 0.25s ease, transform 0.25s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), #7dd3fc);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav-links a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.mobile-menu-toggle,
.mobile-menu {
  display: none;
}

.mobile-menu-toggle {
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(163, 201, 198, 0.15);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  backdrop-filter: blur(5px);
}

.mobile-menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-header.menu-open .mobile-menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.menu-open .mobile-menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.menu-open .mobile-menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  padding: 0 0 10px;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: max-height 0.35s ease, opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu a,
.mobile-menu button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgba(163, 201, 198, 0.14);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(79, 209, 197, 0.03));
  color: var(--muted);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
  transform: translateY(8px);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease, border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
  overflow: hidden;
  position: relative;
}

.mobile-menu button {
  width: 100%;
}

.mobile-menu a::before,
.mobile-menu button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(79, 209, 197, 0.1), transparent 45%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.mobile-menu a::after,
.mobile-menu button::after {
  content: "->";
  position: relative;
  z-index: 1;
  color: var(--primary);
  font-weight: 800;
}

.mobile-menu a:hover,
.mobile-menu button:hover {
  color: var(--text);
  border-color: rgba(79, 209, 197, 0.35);
  background: linear-gradient(135deg, rgba(79, 209, 197, 0.12), rgba(255, 255, 255, 0.05));
  transform: translateY(-2px);
}

.mobile-menu a:hover::before,
.mobile-menu button:hover::before {
  opacity: 1;
}

.site-header.menu-open .mobile-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.site-header.menu-open .mobile-menu a,
.site-header.menu-open .mobile-menu button {
  opacity: 1;
  transform: translateY(0);
}

.site-header.menu-open .mobile-menu a:nth-child(1) {
  transition-delay: 0.03s;
}

.site-header.menu-open .mobile-menu a:nth-child(2) {
  transition-delay: 0.06s;
}

.site-header.menu-open .mobile-menu a:nth-child(3) {
  transition-delay: 0.09s;
}

.site-header.menu-open .mobile-menu a:nth-child(4) {
  transition-delay: 0.12s;
}

.site-header.menu-open .mobile-menu a:nth-child(5) {
  transition-delay: 0.15s;
}

.site-header.menu-open .mobile-menu a:nth-child(6) {
  transition-delay: 0.18s;
}

.mobile-menu-cta {
  margin-top: 6px;
  color: #06202a;
  border: none;
  background: linear-gradient(135deg, var(--primary), #66e2d8);
  box-shadow: 0 14px 26px rgba(79, 209, 197, 0.18);
}

.mobile-menu-cta::after {
  color: #06202a;
}

.nav-contact-button {
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  font-size: 0.92rem;
}

.nav-contact-button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(79, 209, 197, 0.12);
  color: var(--primary);
}

.nav-contact-button-icon img,
.mobile-nav-contact-icon img,
.contact-option-icon img {
  display: block;
  width: 22px;
  height: 22px;
}

.mobile-nav-contact-button {
  display: none;
  min-height: 48px;
  padding: 0 16px;
  gap: 8px;
  font-size: 0.9rem;
}

.mobile-nav-contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.contact-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 19, 18, 0.78);
  backdrop-filter: blur(10px);
}

.contact-modal-card {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  padding: 32px;
  border: 1px solid rgba(79, 209, 197, 0.18);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(8, 61, 58, 0.98), rgba(5, 40, 38, 0.98));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

.contact-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(163, 201, 198, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.contact-modal-close:hover {
  background: rgba(79, 209, 197, 0.12);
  border-color: rgba(79, 209, 197, 0.4);
  transform: translateY(-1px);
}

.contact-modal-header {
  max-width: 380px;
  margin-bottom: 24px;
}

.contact-modal-header .eyebrow {
  margin-bottom: 12px;
}

.contact-modal-header h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  line-height: 1.1;
}

.contact-modal-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.contact-modal-actions {
  display: grid;
  gap: 14px;
}

.contact-option {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 16px 18px;
  border: 1px solid rgba(163, 201, 198, 0.12);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(79, 209, 197, 0.03));
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.contact-option:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 209, 197, 0.4);
  background: linear-gradient(135deg, rgba(79, 209, 197, 0.12), rgba(255, 255, 255, 0.05));
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.2);
}

.contact-option-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 18px;
  color: var(--contact-accent, var(--primary));
  background: linear-gradient(135deg, var(--contact-accent-soft, rgba(79, 209, 197, 0.18)), rgba(255, 255, 255, 0.06));
  border: 1px solid var(--contact-accent-border, rgba(79, 209, 197, 0.2));
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.04);
}

.contact-option-whatsapp {
  --contact-accent: #4ade80;
  --contact-accent-soft: rgba(74, 222, 128, 0.18);
  --contact-accent-border: rgba(74, 222, 128, 0.26);
}

.contact-option-telegram {
  --contact-accent: #38bdf8;
  --contact-accent-soft: rgba(56, 189, 248, 0.18);
  --contact-accent-border: rgba(56, 189, 248, 0.26);
}

.contact-option-facebook {
  --contact-accent: #60a5fa;
  --contact-accent-soft: rgba(96, 165, 250, 0.18);
  --contact-accent-border: rgba(96, 165, 250, 0.26);
}

.contact-option strong,
.contact-option small {
  display: block;
}

.contact-option strong {
  margin-bottom: 4px;
  font-size: 1rem;
  color: var(--text);
}

.contact-option small {
  font-size: 0.86rem;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 32px;
  border: none;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), #66e2d8);
  color: #06202a;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(79, 209, 197, 0.15);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(79, 209, 197, 0.25);
  filter: brightness(1.05);
}

.button-secondary,
.button-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border: 1px solid rgba(163, 201, 198, 0.15);
  box-shadow: none;
  backdrop-filter: blur(5px);
}

.button-secondary:hover,
.button-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  transform: translateY(-3px);
}

.hero {
  padding: 96px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: flex-start;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow.white-text {
  color: #ffffff;
  opacity: 0.9;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-text,
.section-heading p,
.course-card p,
.benefit-card p,
.module-list li,
.faq-item p,
.contact-card p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-copy {
  display: flex;
  flex-direction: column;
}

.hero-info-card {
  padding: 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  margin-bottom: 24px;
  overflow: hidden;
  position: relative;
}

.hero-card-visual {
  height: 260px;
  width: calc(100% + 64px);
  margin: -32px -32px 24px -32px;
  background-image: url('White Elegant Instagram Post_20260515_143049_0000.png');
  background-size: cover;
  background-position: center;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.hero-card-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, rgba(5, 40, 38, 0.6));
}

.hero-info-card .eyebrow {
  display: inline-block;
  margin-bottom: 24px;
  padding-bottom: 12px;
  font-size: 1.22rem;
  letter-spacing: 0.14em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-info-card .hero-text {
  margin: 0;
  font-size: 1.05rem;
}

.hero-info-points {
  display: grid;
  gap: 18px;
}

.hero-info-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.hero-info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  margin-top: 2px;
  color: var(--primary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.hero-mini-stats {
  display: flex;
  gap: 32px;
  margin-top: 10px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-icon-mini {
  color: var(--primary);
  margin-bottom: 4px;
  opacity: 0.8;
}

.mini-stat strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.mini-stat span {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.price-tag strong,
.course-footer strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.3rem;
}

.small-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-card {
  position: relative;
}

.floating-stats-card {
  position: absolute;
  top: -15px;
  right: -15px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--card-strong);
  border: 1px solid var(--primary);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  animation: float 4s ease-in-out infinite;
}

.stats-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.floating-stats-card strong {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 2px;
}

.floating-stats-card span {
  font-size: 0.7rem;
  color: var(--muted);
}

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

.card-glow {
  position: absolute;
  inset: 30px -10px -10px 30px;
  background: linear-gradient(160deg, rgba(79, 209, 197, 0.22), rgba(102, 126, 234, 0.1));
  filter: blur(25px);
  z-index: 0;
}

.course-card,
.benefit-card,
.demo-card,
.contact-card,
.faq-item {
  position: relative;
  z-index: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.course-card {
  padding: 32px;
}

.course-badge {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(79, 209, 197, 0.1);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
}

.course-card.premium {
  padding: 40px;
  background: linear-gradient(165deg, #0a4d4a 0%, #052826 100%);
  border: 1px solid rgba(79, 209, 197, 0.3);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), inset 0 0 40px rgba(79, 209, 197, 0.05);
}

.premium-desc {
  margin: 12px 0 24px;
  font-size: 1.05rem;
  opacity: 0.9;
}

.premium-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: grid;
  gap: 20px;
}

.premium-features li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  color: var(--primary);
}

.premium-features strong {
  display: block;
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 2px;
}

.premium-features span {
  font-size: 0.88rem;
  color: var(--muted);
}

.course-card h2,
.benefit-card h3,
.module-card h3,
.pricing-card strong,
.contact-card h2 {
  margin: 18px 0 10px;
}

.feature-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7dd3fc);
}

.course-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
}



.about-title,
.modules-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--text);
  margin-bottom: 40px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.crypto-ticker-container {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  height: 32px;
  display: flex;
  align-items: center;
  position: relative;
}

.crypto-ticker {
  display: flex;
  white-space: nowrap;
  gap: 40px;
  padding: 0 20px;
  animation: ticker-slide 30s linear infinite;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
}

.ticker-price {
  color: var(--primary);
}

.ticker-change {
  font-size: 0.75rem;
}

.ticker-change.up {
  color: #22c55e;
}

.ticker-change.down {
  color: #ef4444;
}

@keyframes ticker-slide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Pause animation on hover */
.crypto-ticker-container:hover .crypto-ticker {
  animation-play-state: paused;
}

.calendar-widget-wrapper {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 24px 0;
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 620px;
  position: relative;
}

.calendar-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  background: rgba(5, 40, 38, 0.4);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  pointer-events: auto;
}

.calendar-widget-wrapper.active .calendar-overlay {
  display: none;
}

@media (max-width: 760px) {
  .calendar-overlay {
    display: flex;
  }
  
  .calendar-widget-wrapper {
    height: 450px;
    padding: 16px 16px 0;
  }
}

.tradingview-widget-container {
  width: 100%;
}

.section {
  padding: 96px 0;
}

.section-dark {
  background: rgba(255, 255, 255, 0.02);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 44px;
}

.section-heading.narrow {
  max-width: 620px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.benefit-card {
  padding: 28px;
}

.modules-grid {
  display: flex;
  overflow-x: auto;
  gap: 24px;
  padding: 20px 4px 40px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
  cursor: grab;
  user-select: none;
}

.modules-grid:active {
  cursor: grabbing;
}

.modules-grid::-webkit-scrollbar {
  display: none; /* Chrome, Safari and Opera */
}

.module-card {
  flex: 0 0 390px;
  scroll-snap-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  height: auto;
  min-height: 400px;
}

.module-card:hover {
  transform: translateY(-8px);
  background: rgba(8, 61, 58, 0.9);
  border-color: var(--primary);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.module-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.module-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #7dd3fc);
  color: #07111f;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 5px 15px rgba(79, 209, 197, 0.2);
}

.module-card h3 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
}

.module-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.module-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
  transition: color 0.2s ease;
}

.module-card:hover .module-list li {
  color: var(--text);
}

.module-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
  opacity: 0.7;
}

.modules-actions {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.modules-scroll-button {
  gap: 10px;
  padding: 0 24px;
}

.modules-scroll-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.demo-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: flex-start;
}

.demo-card {
  padding: 32px;
  width: 100%;
}

.demo-header {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.demo-header h3 {
  margin: 0 0 24px 0;
  font-size: 1.3rem;
  color: var(--text);
}

.demo-features {
  margin-top: 24px;
}

.demo-footer {
  margin-top: 28px;
}

.full-width {
  width: 100%;
  margin-top: 28px;
}

.faq-header {
  max-width: none;
  text-align: center;
  margin-bottom: 60px;
}

.faq-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: #ffffff !important;
  font-weight: 900;
  letter-spacing: -0.05em;
  margin: 0;
}

.faq-list {
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  padding: 0;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
}

.faq-item summary {
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  list-style: none;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  position: relative;
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--primary);
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-item[open] .faq-icon::after {
  opacity: 0;
}

.faq-content {
  padding: 0 32px 24px 32px;
  color: var(--muted);
  line-height: 1.7;
}

.faq-telegram-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 900px;
  margin: 72px auto 0;
  padding: 28px 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.faq-telegram-copy h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  color: var(--text);
}

.faq-telegram-services {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.faq-telegram-services li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--muted);
  line-height: 1.65;
}

.faq-telegram-service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  margin-top: 1px;
  color: var(--primary);
  background: rgba(79, 209, 197, 0.1);
  border: 1px solid rgba(79, 209, 197, 0.18);
  border-radius: 999px;
}

.faq-telegram-button {
  flex-shrink: 0;
  gap: 10px;
  padding: 0 24px;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  padding: 36px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form input {
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid rgba(159, 178, 202, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.contact-form input::placeholder {
  color: #91a4bc;
}

.site-footer {
  margin-top: 32px;
  padding: 32px 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(5, 40, 38, 0.08));
}

.footer-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  padding: 0 0 28px;
  align-items: flex-start;
}

.footer-brand p,
.footer-bottom p {
  color: var(--muted);
  line-height: 1.75;
}

.footer-brand-link {
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
}

.footer-links h3 {
  margin: 0 0 16px;
  font-size: 1.1rem;
  color: var(--text);
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.footer-link-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 54px;
  padding: 0 18px;
  border: 1px solid rgba(163, 201, 198, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  transition: all 0.25s ease;
}

.footer-link-item:hover {
  color: var(--text);
  border-color: rgba(79, 209, 197, 0.35);
  background: rgba(79, 209, 197, 0.08);
  transform: translateY(-2px);
}

.footer-contact-button {
  width: 100%;
  font: inherit;
  cursor: pointer;
}

.footer-bottom {
  display: flex;
  justify-content: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 1080px) {
  .hero-grid,
  .demo-layout,
  .contact-card,
  .footer-card,
  .benefit-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .demo-copy {
    margin-bottom: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
  }

  .nav {
    min-height: 74px;
    gap: 12px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .mobile-nav-actions {
    display: flex;
    margin-left: auto;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .mobile-nav-contact-button {
    display: inline-flex;
    min-height: 42px;
    padding: 0 12px;
    gap: 6px;
    font-size: 0.82rem;
  }

  .mobile-menu {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    padding-bottom: 18px;
    max-height: 0;
    overflow: hidden;
  }

  .mobile-menu a,
  .mobile-menu button {
    width: 100%;
  }

  .site-header.menu-open .mobile-menu {
    max-height: 420px;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-actions {
    flex-wrap: nowrap;
    gap: 10px;
    margin-top: 32px;
    margin-bottom: 20px;
  }

  .hero-actions .button {
    flex: 1;
    padding: 0 12px;
    font-size: 0.85rem;
    min-height: 48px;
    white-space: nowrap;
  }

  .hero-info-card {
    padding: 24px;
  }

  .contact-modal {
    padding: 18px;
  }

  .contact-modal-card {
    padding: 24px;
    border-radius: 24px;
  }

  .contact-modal-close {
    top: 14px;
    right: 14px;
  }

  .contact-option {
    min-height: 70px;
    padding: 14px 16px;
  }

  .contact-option-icon {
    width: 44px;
    height: 44px;
  }

  .contact-option-icon img {
    width: 20px;
    height: 20px;
  }

  .mobile-nav-contact-icon {
    width: 20px;
    height: 20px;
  }

  .mobile-nav-contact-icon img {
    width: 18px;
    height: 18px;
  }

  .nav-contact-button {
    gap: 8px;
  }

  .nav-contact-button-icon {
    width: 26px;
    height: 26px;
  }

  .hero-info-card .eyebrow {
    margin-bottom: 22px;
    padding-bottom: 10px;
    font-size: 1.08rem;
  }

  .hero-info-point {
    gap: 12px;
  }

  .hero-info-icon {
    min-width: 22px;
    height: 22px;
  }

  .course-card.premium {
    padding: 28px;
  }

  .premium-features {
    gap: 16px;
  }

  .feature-icon {
    min-width: 38px;
    height: 38px;
    font-size: 1.2rem;
  }

  .hero-card-visual {
    height: 220px;
    width: calc(100% + 48px);
    margin: -24px -24px 20px -24px;
  }

  .hero-mini-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 24px 0;
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .mini-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 12px 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .mini-stat strong {
    font-size: 1.2rem;
    margin-bottom: 4px;
  }

  .mini-stat span {
    font-size: 0.7rem;
    line-height: 1.2;
  }

  .faq-title {
    font-size: 2.2rem;
  }

  .demo-card {
    padding: 24px;
  }

  .demo-copy p {
    font-size: 1rem;
    line-height: 1.7;
  }

  .demo-footer .button {
    min-height: 48px;
    padding: 0 18px;
    font-size: 0.95rem;
  }

  .faq-item summary {
    padding: 20px;
    font-size: 1rem;
  }

  .faq-content {
    padding: 0 20px 20px 20px;
  }

  .faq-telegram-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
  }

  .faq-telegram-button {
    width: 100%;
    min-height: 54px;
    justify-content: center;
  }

  .contact-card {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .modules-grid {
    padding: 20px 12px 30px;
    scroll-padding: 0 12px;
  }

  .module-card {
    flex: 0 0 calc(100% - 8px);
    padding: 24px;
    scroll-snap-align: center;
  }

  .modules-actions {
    margin-top: 12px;
  }

  .modules-scroll-button {
    width: 100%;
    min-height: 50px;
    font-size: 0.95rem;
  }

  .footer-card {
    padding: 0 0 24px;
  }

  .footer-links-grid {
    grid-template-columns: 1fr;
  }


  .module-card h3 {
    font-size: 1.2rem;
  }

  .course-footer {
    flex-direction: column;
    align-items: start;
  }

  .contact-card {
    padding: 26px;
  }
}