:root {
  --bg-page: #f3f4f6;
  --bg-card: #ffffff;
  --bg-soft: #f9fafb;
  --text-main: #111827;
  --text-muted: #6b7280;

  /* тёплый оранжевый акцент под цвет насоса */
  --accent: #f97316;       /* основной акцент (оранжевый) */
  --accent-dark: #c2410c;  /* более тёмный оранжевый */
  --danger: #dc2626;
  --border: #e5e7eb;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #e5e7eb 0, #f3f4f6 40%, #e5e7eb 100%);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
}

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

.page {
  max-width: 480px;
  margin: 0 auto;
  background: #ffffff;
  min-height: 100vh;
  box-shadow: var(--shadow);
  padding-bottom: 90px; /* под липкую кнопку */
}

@media (min-width: 481px) {
  body {
    padding: 16px 0;
  }
  .page {
    border-radius: 24px;
    overflow: hidden;
  }
}

section {
  padding: 22px 18px;
}

.main-img {
  width: 100%;
  height: auto;
  margin-bottom: 12px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.section-header {
  margin-bottom: 10px;
}

.eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
}

h1 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 6px;
}

h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

p {
  font-size: 16px;
  color: var(--text-muted);
}

.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

/* HERO – БЛОК 1 */

header.hero {
  padding: 0;
}

.hero-img-wrap {
  width: 100%;
  background: radial-gradient(circle at top, #facc15 0, #f3f4f6 50%, #e5e7eb 100%);
}

.hero-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-content {
  padding: 18px 18px 20px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff7ed; /* мягкий оранжевый фон */
  color: var(--accent-dark);
  margin-bottom: 8px;
}

.hero-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 6px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.hero-price-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.hero-old {
  font-size: 15px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.hero-new {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-dark);
}

.hero-discount {
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fef3c7;
  color: #b45309;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-discount i {
  font-size: 14px;
}

.hero-timer {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-timer span {
  color: var(--danger);
  font-weight: 600;
}

.hero-timer i {
  color: var(--danger);
}

.hero-usp-list {
  list-style: none;
  margin-top: 12px;
  margin-bottom: 14px;
}

.hero-usp-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 15px;
}

.hero-usp-list i {
  color: var(--accent);
  font-size: 17px;
  margin-top: 3px;
  min-width: 18px;
  text-align: center;
}

.btn {
  width: 100%;
  padding: 13px 16px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.1s ease, opacity 0.1s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(248, 113, 22, 0.35);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 6px 16px rgba(248, 113, 22, 0.6);
  opacity: 0.96;
}

.btn-secondary {
  margin-top: 8px;
  background: #ffffff;
  color: var(--text-muted);
  border: 1px solid var(--border);
  box-shadow: none;
  font-size: 15px;
}

.btn i {
  font-size: 17px;
}

/* БЛОК 2 – КОРОТКИЕ ВЫГОДЫ */

.card-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.mini-card {
  background: #fff7ed; /* тёплый фон вместо зелёного */
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.mini-icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(148, 163, 184, 0.5);
  color: var(--accent-dark);
  flex-shrink: 0;
  font-size: 18px;
}

.mini-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.mini-text {
  font-size: 15px;
  color: var(--text-muted);
}

/* БЛОК 3 – ПРОБЛЕМЫ / СИТУАЦИИ */

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.problem-card {
  background: #fef2f2;
  border-radius: var(--radius-md);
  padding: 12px 12px;
  border: 1px solid #fecaca;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
}

.problem-icon {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #fee2e2;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--danger);
  flex-shrink: 0;
}

.problem-strong {
  font-weight: 600;
  margin-bottom: 2px;
  color: #991b1b;
}

/* БЛОК 4 – ДЕТАЛЬНЫЕ ПРЕИМУЩЕСТВА / КАК РАБОТАЕТ */

.how-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.how-card {
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 15px;
}

.how-title {
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.how-title i {
  color: var(--accent);
}

.steps-list {
  list-style: none;
  margin-top: 4px;
}

.steps-list li {
  margin-bottom: 4px;
  color: var(--text-muted);
}

/* БЛОК 5 – ФОТО / ДЕТАЛИ */

.media-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.media-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #e5e7eb;
  box-shadow: 0 8px 22px rgba(148, 163, 184, 0.35);
}

.media-body {
  padding: 10px 12px 12px;
  font-size: 15px;
}

.media-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.media-text {
  color: var(--text-muted);
}

.video-thumb {
  position: relative;
}

.video-thumb img {
  width: 100%;
  height: auto;
  display: block;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 26px;
  backdrop-filter: blur(4px);
}

/* БЛОК 6 – ХАРАКТЕРИСТИКИ */

.spec-wrap {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 14px 12px;
  box-shadow: 0 6px 20px rgba(148, 163, 184, 0.3);
  margin-top: 8px;
}

.spec-list {
  list-style: none;
  font-size: 15px;
  margin-top: 4px;
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}

.spec-list span:first-child {
  color: var(--text-muted);
  padding-right: 15px;
}

.spec-list span:last-child {
  font-weight: 500;
}

.kit-list {
  list-style: none;
  font-size: 15px;
  margin-top: 8px;
}

.kit-list li {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--text-muted);
}

.kit-list i {
  color: var(--accent);
  margin-top: 3px;
}

/* БЛОК 7 – ОТЗЫВЫ */

.reviews {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.review-card {
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: 0 4px 14px rgba(148, 163, 184, 0.35);
  font-size: 15px;
}

.review-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}

.review-name {
  font-weight: 600;
}

.review-meta {
  font-size: 14px;
  color: var(--text-muted);
}

.review-stars {
  font-size: 14px;
  color: #fbbf24;
}

/* БЛОК 8 – ДОСТАВКА / ОПЛАТА */

.info-list {
  list-style: none;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 15px;
}

.info-item {
  display: flex;
  gap: 10px;
  color: var(--text-muted);
}

.info-item i {
  color: var(--accent);
  margin-top: 3px;
  min-width: 18px;
  text-align: center;
}

/* БЛОК 9 – ФОРМА */

.form-wrap {
  padding: 24px 18px 28px;
  background: #ffffff;
}

.form-sub {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.form-price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.form-old {
  font-size: 15px;
  text-decoration: line-through;
  color: var(--text-muted);
}

.form-new {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent-dark);
}

.form-sale {
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fef3c7;
  color: #b45309;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.form-sale i {
  font-size: 14px;
}

.form-row {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #cbd5e1;
  font-size: 16px;
  outline: none;
}

.form-input::placeholder {
  color: #9ca3af;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(248, 113, 22, 0.3);
}

.form-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
}

/* FOOTER */

.footer {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding: 12px 12px 16px;
  border-top: 1px solid var(--border);
  background: #f9fafb;
}

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

/* STICKY CTA */

.sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.18);
  z-index: 50;
}

.sticky-inner {
  max-width: 480px;
  margin: 0 auto;
  padding: 8px 14px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.sticky-price {
  min-width: 20%;
  color: var(--text-muted);
}

.sticky-old {
  text-decoration: line-through;
  font-size: 13px;
  color: #9ca3af;
}

.sticky-new {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-dark);
}

.sticky .btn {
  padding: 9px 14px;
  font-size: 14px;
  box-shadow: 0 8px 22px rgba(248, 113, 22, 0.4);
}