/* ===== GUITARLI - PURE CSS ===== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Open+Sans:wght@300;400;500;600&display=swap');

:root {
  --primary: #FF8243;
  --accent: #F80000;
  --highlight: #FF7A5C;
  --dark: #0d0d0d;
  --dark2: #111111;
  --dark3: #1a1a1a;
  --dark4: #222222;
  --dark5: #2a2a2a;
  --text: #e8e8e8;
  --text-muted: #999999;
  --text-dim: #666666;
  --white: #ffffff;
  --border: rgba(255,130,67,0.15);
  --glass: rgba(255,130,67,0.05);
  --glow: 0 0 30px rgba(255,130,67,0.3);
  --glow-red: 0 0 30px rgba(248,0,0,0.3);
  --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--highlight); }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

header.scrolled {
  background: rgba(13,13,13,0.98);
  box-shadow: 0 4px 40px rgba(0,0,0,0.5);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--white);
  letter-spacing: -0.03em;
}

.logo span { color: var(--primary); }

.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--primary);
  color: var(--dark) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  transition: var(--transition) !important;
}

.nav-cta:hover {
  background: var(--highlight) !important;
  transform: translateY(-2px);
  box-shadow: var(--glow);
  color: var(--dark) !important;
}

.nav-cta::after { display: none !important; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== SECTION LABELS ===== */
.section-label {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

/* ===== BLOCK 1: HERO/TOPIC ===== */
.block-topic {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topic-image-half {
  position: relative;
  flex: 1;
  min-height: 55vh;
  overflow: hidden;
}

.topic-image-half img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 8s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

.topic-image-half::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, var(--dark) 100%);
}

.diagonal-stripe {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--dark);
  clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%);
  z-index: 2;
}

.topic-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 60px 0 80px;
}

.topic-greeting {
  padding: 0 60px 0 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.topic-greeting .section-label { margin-bottom: 24px; }

.topic-greeting h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--white);
  margin-bottom: 20px;
}

.topic-greeting h1 em {
  font-style: normal;
  color: var(--primary);
  display: block;
}

.topic-greeting p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 480px;
}

.topic-form-cell {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  margin-right: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.topic-form-cell h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 8px;
}

.topic-form-cell p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--dark4);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--white);
  font-size: 0.95rem;
  font-family: 'Open Sans', sans-serif;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,130,67,0.15);
}

.form-group input::placeholder { color: var(--text-dim); }

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23999' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  cursor: pointer;
}

.form-group select option { background: var(--dark3); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--dark);
}

.btn-primary:hover {
  background: var(--highlight);
  transform: translateY(-3px);
  box-shadow: var(--glow);
  color: var(--dark);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--dark);
  transform: translateY(-3px);
}

.btn-danger {
  background: var(--accent);
  color: var(--white);
}

.btn-danger:hover {
  background: #cc0000;
  transform: translateY(-3px);
  box-shadow: var(--glow-red);
  color: var(--white);
}

.btn-full { width: 100%; }

/* ===== SECTION STYLES ===== */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  margin-bottom: 16px;
}

.section-header h2 span { color: var(--primary); }

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== BLOCK 2: SLIDER ===== */
.block-slider { background: var(--dark2); }

.slider-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
}

.slider-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}

.slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 0 0 0 0;
}

.slide-image {
  height: 480px;
  overflow: hidden;
  border-radius: 20px;
}

.slide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
  transition: transform 0.6s ease;
}

.slide:hover .slide-image img { transform: scale(1.05); }

.slide-content h3 {
  font-size: 2rem;
  color: var(--white);
  margin-bottom: 16px;
}

.slide-content p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-size: 1rem;
}

.slide-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255,130,67,0.1);
  border: 1px solid rgba(255,130,67,0.3);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.slider-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dark5);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--primary);
}

/* ===== BLOCK 3: ACCORDION ===== */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item:hover { border-color: rgba(255,130,67,0.3); }

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  cursor: pointer;
  background: var(--dark3);
  transition: var(--transition);
  user-select: none;
}

.accordion-header:hover { background: var(--dark4); }

.accordion-header.active { background: rgba(255,130,67,0.08); }

.accordion-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 16px;
}

.accordion-num {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--dark);
  font-weight: 800;
  flex-shrink: 0;
}

.accordion-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
}

.accordion-header.active .accordion-icon { transform: rotate(45deg); }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4,0,0.2,1);
}

.accordion-body.open { max-height: 600px; }

.accordion-content {
  padding: 24px 28px 28px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  line-height: 1.8;
}

.accordion-content ul {
  margin-top: 12px;
  padding-left: 0;
  list-style: none;
}

.accordion-content ul li {
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.accordion-content ul li::before {
  content: '→';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== BLOCK 4: CIRCULAR ABOUT ===== */
.block-about { background: var(--dark2); }

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-circle-container {
  position: relative;
  width: 440px;
  height: 440px;
}

.about-center-img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 4px solid var(--primary);
  box-shadow: 0 0 40px rgba(255,130,67,0.3);
  z-index: 2;
}

.orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(255,130,67,0.2);
  animation: orbitRotate 20s linear infinite;
}

@keyframes orbitRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.orbit-item {
  position: absolute;
  width: 80px;
  height: 80px;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  text-align: center;
  color: var(--text-muted);
  font-weight: 600;
  gap: 4px;
  transition: var(--transition);
  animation: orbitRotate 20s linear infinite reverse;
}

.orbit-item:hover {
  border-color: var(--primary);
  background: rgba(255,130,67,0.1);
  color: var(--white);
}

.orbit-item .orbit-icon { font-size: 1.4rem; }

.orbit-item:nth-child(1) { top: -15px; left: 50%; transform: translateX(-50%); }
.orbit-item:nth-child(2) { right: -15px; top: 50%; transform: translateY(-50%); }
.orbit-item:nth-child(3) { bottom: -15px; left: 50%; transform: translateX(-50%); }
.orbit-item:nth-child(4) { left: -15px; top: 50%; transform: translateY(-50%); }

.about-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--white);
  margin-bottom: 20px;
}

.about-text h2 span { color: var(--primary); }

.about-text p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.stat-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== BLOCK 5: TABLE ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

thead {
  background: rgba(255,130,67,0.1);
  border-bottom: 2px solid var(--primary);
}

thead th {
  padding: 18px 24px;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

tbody tr:last-child { border-bottom: none; }

tbody tr:hover { background: var(--glass); }

tbody td {
  padding: 16px 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

tbody td:first-child {
  color: var(--white);
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-green { background: rgba(34,197,94,0.1); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.badge-blue { background: rgba(59,130,246,0.1); color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }
.badge-orange { background: rgba(255,130,67,0.1); color: var(--primary); border: 1px solid rgba(255,130,67,0.2); }

/* ===== BLOCK 6: PRICING ===== */
.block-pricing { background: var(--dark2); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.price-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.price-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--dark5);
  transition: var(--transition);
}

.price-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255,130,67,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.price-card:hover::before { background: var(--primary); }

.price-card.featured {
  border-color: var(--primary);
  background: rgba(255,130,67,0.05);
}

.price-card.featured::before { background: var(--primary); }

.featured-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--primary);
  color: var(--dark);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

.price-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.price-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}

.price-amount sup {
  font-size: 1.5rem;
  vertical-align: super;
}

.price-period {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.price-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.price-features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.price-features li:last-child { border-bottom: none; }

.price-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 800;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ===== BLOCK 7: CALCULATOR ===== */
.calculator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.calculator-form {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px;
}

.calc-title {
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 32px;
}

.calc-slider-group {
  margin-bottom: 28px;
}

.calc-slider-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 12px;
}

.calc-slider-group label span {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 800;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  background: var(--dark5);
  border-radius: 2px;
  outline: none;
  appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(255,130,67,0.5);
}

.calc-radio-group {
  margin-bottom: 28px;
}

.calc-radio-group label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 12px;
  display: block;
}

.radio-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.radio-option:hover { border-color: rgba(255,130,67,0.3); }

.radio-option input[type="radio"] { accent-color: var(--primary); width: 16px; height: 16px; }

.radio-option span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.radio-option.selected {
  border-color: var(--primary);
  background: rgba(255,130,67,0.08);
}

.radio-option.selected span { color: var(--white); }

.calc-result {
  background: var(--dark4);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

.calc-result-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.calc-result-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
  transition: var(--transition);
}

.calc-result-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
  line-height: 1.6;
}

.calc-breakdown {
  width: 100%;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 16px;
  text-align: left;
}

.calc-breakdown-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.calc-breakdown-item span:last-child { color: var(--white); font-weight: 600; }

/* ===== BLOCK 8: SELL TEXT ===== */
.block-sell {
  background: linear-gradient(135deg, var(--dark2) 0%, var(--dark3) 50%, var(--dark2) 100%);
  position: relative;
  overflow: hidden;
}

.block-sell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,130,67,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(248,0,0,0.04) 0%, transparent 60%);
}

.sell-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.sell-content h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  color: var(--white);
  margin-bottom: 32px;
  line-height: 1.15;
}

.sell-content h2 em {
  font-style: normal;
  color: var(--primary);
}

.sell-text {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.85;
  margin-bottom: 24px;
}

.sell-highlights {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 48px 0;
  flex-wrap: wrap;
}

.sell-highlight {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.sell-highlight-icon {
  font-size: 2.5rem;
}

.sell-highlight-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--white);
  font-size: 0.85rem;
  text-align: center;
  max-width: 100px;
}

/* ===== BLOCK 9: INFOGRAPHIC ===== */
.block-infographic { background: var(--dark2); }

.infographic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.info-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.info-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,130,67,0.3);
}

.info-card:hover::after { transform: scaleX(1); }

.info-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}

.info-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.info-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 12px;
}

.info-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ===== BLOCK 10: TESTIMONIALS ===== */
.testimonials-scroll {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--dark3);
}

.testimonials-scroll::-webkit-scrollbar { height: 4px; }
.testimonials-scroll::-webkit-scrollbar-track { background: var(--dark3); border-radius: 2px; }
.testimonials-scroll::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

.testimonial-card {
  min-width: 340px;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  transition: var(--transition);
  flex-shrink: 0;
}

.testimonial-card:hover {
  border-color: rgba(255,130,67,0.3);
  transform: translateY(-4px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: var(--primary);
  font-size: 0.9rem;
}

.testimonial-quote {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.testimonial-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--white);
  font-size: 0.9rem;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 2px;
}

/* ===== CHORD EXPLORER ===== */
.block-chords { background: var(--dark2); }

.chords-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: start;
}

.chord-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chord-btn {
  padding: 16px 24px;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chord-btn:hover {
  border-color: rgba(255,130,67,0.3);
  color: var(--white);
}

.chord-btn.active {
  border-color: var(--primary);
  background: rgba(255,130,67,0.1);
  color: var(--primary);
}

.chord-btn-sub {
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.chord-display {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
}

.chord-display h3 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.chord-display p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 0.9rem;
}

.fretboard {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 24px;
}

.fret-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.string-label {
  padding: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--dark4);
  width: 100%;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.05);
}

.fret {
  width: 100%;
  height: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  border-right: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.fret.finger {
  background: rgba(255,130,67,0.15);
}

.finger-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--dark);
  animation: popIn 0.3s ease;
}

@keyframes popIn {
  0% { transform: scale(0); }
  70% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.chord-info {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.chord-tag {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== JAM SESSIONS ===== */
.jam-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.jam-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--dark3);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.jam-card:hover { transform: scale(1.02); box-shadow: 0 20px 40px rgba(0,0,0,0.5); }

.jam-thumb {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.jam-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.jam-card:hover .jam-thumb img { transform: scale(1.1); }

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(255,130,67,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.jam-card:hover .play-btn {
  background: var(--primary);
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: var(--glow);
}

.jam-info {
  padding: 20px;
}

.jam-info h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.jam-info p {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 220px);
  gap: 12px;
}

.gallery-item {
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-item:hover img { transform: scale(1.08); }

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,130,67,0.3);
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover::after { opacity: 1; }

.gallery-item.large { grid-column: span 2; grid-row: span 2; }
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide { grid-column: span 2; }

/* ===== INTERACTIVE CARDS + POPUP ===== */
.block-styles { background: var(--dark2); }

.styles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.style-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.style-card:hover {
  border-color: rgba(255,130,67,0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.style-card-img {
  height: 200px;
  overflow: hidden;
}

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

.style-card:hover .style-card-img img { transform: scale(1.1); }

.style-card-body {
  padding: 24px;
}

.style-card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.style-card-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.style-card-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  backdrop-filter: blur(8px);
}

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

.modal-box {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(30px) scale(0.95);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  position: relative;
}

.modal-overlay.active .modal-box {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  background: var(--dark4);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.modal-icon { font-size: 3rem; margin-bottom: 16px; }

.modal-box h3 {
  font-size: 1.6rem;
  color: var(--white);
  margin-bottom: 8px;
}

.modal-box > p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.radio-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
}

.radio-card-option {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.radio-card-option:hover { border-color: rgba(255,130,67,0.3); }

.radio-card-option.selected {
  border-color: var(--primary);
  background: rgba(255,130,67,0.08);
}

.radio-card-option input { display: none; }

.radio-card-option .plan-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--white);
  margin-bottom: 4px;
}

.radio-card-option .plan-price {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 600px;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  z-index: 1500;
  transform: translateY(120%);
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 20px 60px rgba(0,0,0,0.7);
}

.cookie-banner.visible { transform: translateY(0); }

.cookie-banner h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 8px;
}

.cookie-banner p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.cookie-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-btns button {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.cookie-btn-accept { background: var(--primary); color: var(--dark); }
.cookie-btn-accept:hover { background: var(--highlight); transform: translateY(-2px); }

.cookie-btn-necessary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border) !important;
}
.cookie-btn-necessary:hover { border-color: var(--primary) !important; color: var(--white); }

.cookie-btn-settings {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent !important;
}
.cookie-btn-settings:hover { color: var(--primary); }

/* ===== FOOTER ===== */
footer {
  background: #0a0a0a;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
  font-size: 1.4rem;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-dim);
  font-size: 0.875rem;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--primary); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal {
  color: var(--text-dim);
  font-size: 0.8rem;
  line-height: 1.6;
}

.footer-legal a { color: var(--text-dim); }
.footer-legal a:hover { color: var(--primary); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  0% { opacity: 0; transform: translateX(-30px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  0% { opacity: 0; transform: translateX(30px); }
  100% { opacity: 1; transform: translateX(0); }
}

.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }
.animate-delay-5 { transition-delay: 0.5s; }

/* ===== DECORATIVE ===== */
.neon-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  margin: 0 auto 32px;
  width: 80px;
}

.glow-text { text-shadow: 0 0 30px rgba(255,130,67,0.4); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .infographic-grid { grid-template-columns: repeat(2, 1fr); }
  .styles-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--dark);
    z-index: 999;
    align-items: center;
    justify-content: center;
    gap: 32px;
  }
  .nav-links.open a { font-size: 1.4rem; }

  .topic-bottom { grid-template-columns: 1fr; }
  .topic-greeting { padding: 0 24px 32px; }
  .topic-form-cell { margin: 0 24px; }

  .slide { grid-template-columns: 1fr; }
  .slide-image { height: 280px; }

  .about-layout { grid-template-columns: 1fr; }
  .about-circle-container { width: 300px; height: 300px; }
  .about-center-img { width: 200px; height: 200px; }

  .calculator-layout { grid-template-columns: 1fr; }
  .chords-layout { grid-template-columns: 1fr; }
  .chord-buttons { flex-direction: row; flex-wrap: wrap; }

  .pricing-grid { grid-template-columns: 1fr; }
  .infographic-grid { grid-template-columns: 1fr; }
  .styles-grid { grid-template-columns: 1fr; }
  .jam-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .gallery-item.large, .gallery-item.tall, .gallery-item.wide { grid-column: auto; grid-row: auto; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .modal-box { padding: 32px 24px; }
  .radio-cards { grid-template-columns: 1fr; }

  .sell-highlights { gap: 24px; }

  section { padding: 72px 0; }
}

@media (max-width: 480px) {
  .topic-greeting h1 { font-size: 2rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .cookie-banner { left: 12px; right: 12px; bottom: 12px; }
}