:root {
  --orange: #ff7729;
  --orange-hover: #e8651c;
  --orange-soft: #fff1e8;
  --text: #4c4c4c;
  --text-strong: #1a1a1a;
  --text-muted: #888;
  --border: #e5e5e5;
  --border-soft: #f1f1f1;
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --shadow-card: 0 24px 60px rgba(255, 119, 41, 0.12), 0 2px 8px rgba(0, 0, 0, 0.04);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.3px;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

a { color: var(--orange); text-decoration: none; }

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow { max-width: 840px; }

/* ===== Header ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--border-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 88px;
}

.logo img { height: 56px; width: auto; }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.2px;
  transition: color 0.15s ease;
}

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

/* ===== Buttons ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 28px;
  border: 0;
  border-radius: 100px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.3px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--orange);
  color: #ffffff;
}
.btn-primary:hover { background: var(--orange-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text-strong);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

.btn-compact { height: 44px; padding: 0 20px; font-size: 14px; }
.btn-large { height: 60px; padding: 0 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ===== Hero ===== */

.hero {
  padding: 80px 0 100px;
  background:
    radial-gradient(1200px 600px at 50% -10%, #ffeadd 0%, transparent 60%),
    radial-gradient(800px 400px at 90% 20%, #fff1e8 0%, transparent 60%),
    #ffffff;
  text-align: center;
}

.hero-inner { max-width: 860px; margin: 0 auto; }

.hero-eyebrow {
  display: inline-block;
  margin: 0 0 20px;
  padding: 8px 18px;
  border-radius: 100px;
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}

.hero-title {
  margin: 0 0 20px;
  font-size: 72px;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -3px;
  color: var(--text-strong);
}

.hero-subtitle {
  margin: 0 auto 40px;
  max-width: 640px;
  font-size: 20px;
  line-height: 1.5;
  color: var(--text);
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-points {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.hero-point {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-point .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

/* ===== Sections ===== */

.section { padding: 100px 0; }

.section--soft { background: var(--bg-soft); }

.section--cta {
  padding: 80px 0;
  background:
    radial-gradient(800px 400px at 50% 50%, #fff1e8 0%, transparent 60%),
    #ffffff;
}

.section-title {
  margin: 0 0 12px;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.8px;
  color: var(--text-strong);
  text-align: center;
}

.section-subtitle {
  margin: 0 auto 56px;
  max-width: 640px;
  font-size: 18px;
  color: var(--text);
  text-align: center;
}

/* ===== Audience grid ===== */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.audience-card {
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.audience-card:hover {
  border-color: rgba(255, 119, 41, 0.25);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.audience-card--wide { grid-column: span 2; }

.audience-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--orange-soft);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.audience-icon svg { width: 28px; height: 28px; }

.audience-card h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--text-strong);
}

.audience-card ul {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.audience-card ul li {
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  border-bottom: 1px solid var(--border-soft);
}

.audience-card ul li:last-child { border-bottom: 0; }

.audience-card ul li strong {
  display: block;
  color: var(--text-strong);
  margin-bottom: 2px;
  font-weight: 600;
}

.audience-list-inline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 24px; }
.audience-list-inline li { border-bottom: 0 !important; }

.audience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.audience-tags span {
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.1px;
}

/* ===== Benefits grid ===== */

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

.benefit-card {
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.benefit-card:hover {
  border-color: rgba(255, 119, 41, 0.25);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--orange-soft);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.benefit-icon svg { width: 24px; height: 24px; }

.benefit-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-strong);
  line-height: 1.3;
}

.benefit-card p {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
}

/* ===== Calculator ===== */

.calc {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.calc-controls { display: flex; flex-direction: column; gap: 24px; min-width: 0; }

.calc-field { display: flex; flex-direction: column; gap: 10px; }

.calc-field > label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-strong);
  letter-spacing: -0.2px;
}

.calc-field > label strong { color: var(--orange); }

.calc-field select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 48px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23ff7729'><path d='M5 8l5 5 5-5z'/></svg>") right 14px center/18px no-repeat;
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  font-size: 15px;
  color: var(--text-strong);
  padding-right: 42px;
  outline: none;
  text-overflow: ellipsis;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.calc-field select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px var(--orange-soft);
}

/* Users slider */
.calc-field input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 100px;
  background: var(--orange-soft);
  outline: none;
}

.calc-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--orange);
  cursor: pointer;
  border: 3px solid #ffffff;
  box-shadow: 0 2px 8px rgba(255, 119, 41, 0.4);
}

.calc-field input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--orange);
  cursor: pointer;
  border: 3px solid #ffffff;
  box-shadow: 0 2px 8px rgba(255, 119, 41, 0.4);
}

/* Periods */
.calc-periods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.calc-period {
  position: relative;
  cursor: pointer;
}

.calc-period input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc-period span {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: 100%;
  padding: 12px 8px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-strong);
  text-align: center;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.calc-period span em {
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  color: var(--orange);
}

.calc-period input[type="radio"]:checked + span {
  border-color: var(--orange);
  background: var(--orange-soft);
  color: var(--text-strong);
}

/* Addon checkbox */
.calc-addon {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.calc-addon:hover { border-color: rgba(255, 119, 41, 0.4); }

.calc-addon input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc-addon-box {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: #ffffff;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.calc-addon input[type="checkbox"]:checked + .calc-addon-box {
  background: var(--orange) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/14px no-repeat;
  border-color: var(--orange);
}

.calc-addon:has(input:checked) {
  border-color: var(--orange);
  background: var(--orange-soft);
}

.calc-addon-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
}

.calc-addon-text strong { color: var(--text-strong); font-weight: 600; }
.calc-addon-text em { font-style: normal; font-size: 12px; color: var(--orange); font-weight: 600; }

/* Result */
.calc-result {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 32px;
  background: linear-gradient(160deg, var(--orange-soft) 0%, #ffffff 100%);
  border-radius: var(--radius-md);
  text-align: center;
  justify-content: center;
  min-width: 0;
}

.calc-result-price span { white-space: nowrap; }

.calc-result-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.calc-result-price {
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-strong);
  letter-spacing: -2px;
}

.calc-result-unit {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: -0.5px;
}

.calc-result-total {
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--text);
}

.calc-result-total strong { color: var(--text-strong); font-weight: 700; }

.calc-note {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ===== Included grid ===== */

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

.included-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px;
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
}

.included-item strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.3px;
}

.included-item span {
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}

/* ===== FAQ ===== */

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

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 4px 24px;
  transition: border-color 0.15s ease;
}

.faq-item[open] { border-color: rgba(255, 119, 41, 0.25); }

.faq-item summary {
  list-style: none;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-strong);
  letter-spacing: -0.3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 20px;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
}

.faq-item[open] summary::after {
  content: '−';
  background: var(--orange);
  color: #ffffff;
}

.faq-item p {
  margin: 0 0 20px;
  padding-right: 44px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

/* ===== Reviews ===== */

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.review-tag {
  display: inline-block;
  padding: 5px 12px;
  background: var(--orange-soft);
  color: var(--orange);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.review-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.3px;
}

.review-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

/* ===== CTA ===== */

.cta-block {
  text-align: center;
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  box-shadow: var(--shadow-card);
}

.cta-title {
  margin: 0 0 14px;
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--text-strong);
}

.cta-subtitle {
  margin: 0 auto 32px;
  max-width: 580px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */

.site-footer {
  background: #0f0f10;
  color: #c4c4c6;
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: #8a8a8e;
  max-width: 260px;
}

.footer-logo {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-col h4 {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: #8a8a8e;
  padding: 6px 0;
  transition: color 0.15s ease;
}

.footer-col a:hover { color: var(--orange); }

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid #1f1f21;
  font-size: 13px;
  color: #6c6c70;
}

/* ===== Responsive ===== */

@media (max-width: 960px) {
  .audience-grid { grid-template-columns: 1fr; }
  .audience-card--wide { grid-column: auto; }
  .audience-list-inline { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .included-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .calc { grid-template-columns: 1fr; padding: 28px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hero-title { font-size: 52px; letter-spacing: -2px; }
  .section-title { font-size: 36px; letter-spacing: -1.2px; }
  .cta-title { font-size: 32px; letter-spacing: -1px; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .hero { padding: 56px 0 72px; }
  .hero-title { font-size: 40px; letter-spacing: -1.5px; }
  .hero-subtitle { font-size: 17px; }
  .hero-ctas .btn { width: 100%; }
  .hero-points { gap: 16px 24px; }
  .section { padding: 72px 0; }
  .section-title { font-size: 28px; letter-spacing: -1px; }
  .section-subtitle { font-size: 16px; margin-bottom: 40px; }
  .benefits-grid, .included-grid { grid-template-columns: 1fr; }
  .calc { padding: 20px; gap: 24px; }
  .calc-controls { gap: 20px; }
  .calc-periods { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .calc-period span { font-size: 12px; padding: 10px 4px; letter-spacing: -0.2px; }
  .calc-period span em { font-size: 10px; }
  .calc-result { padding: 24px 16px; }
  .calc-result-price { font-size: 40px; letter-spacing: -1px; }
  .calc-result-unit { font-size: 16px; }
  .calc-field select { font-size: 14px; padding-left: 14px; padding-right: 38px; }
  .calc-addon { padding: 14px; }
  .calc-addon-text { font-size: 13px; }
  .cta-block { padding: 40px 24px; }
  .cta-title { font-size: 28px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .nav { height: 72px; }
  .logo img { height: 44px; }
  .btn-compact { padding: 0 16px; }
  .audience-card { padding: 24px; }
  .audience-card h3 { font-size: 20px; }
  .review-card { padding: 24px; }
}

.form-contacts {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #f1f1f1;
  text-align: center;
}

.contacts-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.3px;
  margin-bottom: 16px;
}

.contacts-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.contact {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: 200px;
  height: 52px;
  padding: 0 22px 0 8px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 100px;
  text-decoration: none;
  color: var(--text-strong);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
}

.contact:hover {
  border-color: var(--orange);
  box-shadow: 0 8px 20px rgba(255, 119, 41, 0.15);
}

.contact:active { transform: translateY(1px); }

.contact-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--orange-soft);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 20px;
  flex-shrink: 0;
}

.contact-icon-tg {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff7729'><path d='M9.78 18.65l.28-4.23 7.68-6.92c.34-.31-.07-.46-.52-.19L7.74 13.3 3.64 12c-.88-.25-.89-.86.2-1.3l15.97-6.16c.73-.33 1.43.18 1.15 1.3l-2.72 12.81c-.19.91-.74 1.13-1.5.71L12.6 16.3l-1.99 1.93c-.23.23-.42.42-.83.42z'/></svg>");
}

.contact-icon-max {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff7729' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='M4 20V6a2 2 0 012-2h12a2 2 0 012 2v10a2 2 0 01-2 2H8l-4 4z'/></svg>");
}

.contact-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-strong);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.section--cta .form-contacts {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.section--cta .contacts-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .contacts-list { flex-direction: column; align-items: stretch; }
  .contact { justify-content: flex-start; width: auto; }
}
