@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;700;800;900&display=swap");

:root {
  --page-width: 440px;
  --bg-main: #f3eee7;
  --bg-light: #faf7f2;
  --surface: #ffffff;
  --surface-dark: #211c19;
  --text-main: #211d1a;
  --text-secondary: #776d65;
  --text-light: #ffffff;
  --accent: #c8462d;
  --accent-dark: #9f321f;
  --accent-soft: #f6ddd6;
  --gold: #c9a45f;
  --gold-soft: #eee1c8;
  --green: #506c59;
  --green-soft: #e7eee8;
  --border: rgba(33, 29, 26, 0.09);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 30px;
  --shadow-card: 0 18px 45px rgba(40, 29, 22, 0.10);
  --shadow-product: 0 28px 65px rgba(31, 22, 17, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 0, rgba(201, 164, 95, 0.16), transparent 34%),
    linear-gradient(90deg, #fff 0, #fff 24%, var(--bg-main) 24%, var(--bg-main) 76%, #fff 76%, #fff 100%);
  color: var(--text-main);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.45;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.page {
  width: 100%;
  max-width: var(--page-width);
  margin: 0 auto;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.30) 1px, transparent 1px),
    var(--bg-main);
  background-size: 18px 18px;
  box-shadow: 0 0 0 1px var(--border), 0 26px 90px rgba(33, 29, 26, 0.18);
}

.hero-offer {
  position: relative;
  min-height: 690px;
  overflow: hidden;
  background: var(--surface-dark);
  isolation: isolate;
}

.hero-offer__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: saturate(1.04) contrast(1.02);
}

.hero-offer::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(110deg, rgba(33, 28, 25, 0.78) 0%, rgba(33, 28, 25, 0.52) 38%, rgba(33, 28, 25, 0.06) 68%),
    linear-gradient(180deg, rgba(33, 28, 25, 0.10) 44%, rgba(33, 28, 25, 0.56) 100%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: 22px 20px 0;
  color: var(--text-light);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(238, 225, 200, 0.55);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(33, 28, 25, 0.38);
  color: #f4dfb2;
  font-size: clamp(14px, 4vw, 17px);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
}

.hero-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(201, 164, 95, 0.16);
}

.hero-copy h1 {
  max-width: 380px;
  margin: 20px 0 10px;
  font-size: clamp(48px, 13vw, 62px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.hero-copy h1 em {
  display: block;
  color: #f3dfb4;
  font-style: normal;
  font-size: clamp(30px, 8vw, 38px);
  letter-spacing: -0.01em;
}

.hero-copy p {
  max-width: 355px;
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 5vw, 22px);
  font-weight: 600;
  line-height: 1.42;
}

.hero-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.hero-specs span {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 10px 13px;
  background: rgba(250, 247, 242, 0.15);
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(14px, 3.8vw, 17px);
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.hero-product-cluster {
  position: absolute;
  right: 18px;
  bottom: 24px;
  left: 18px;
  z-index: 1;
  min-height: 278px;
  pointer-events: none;
}

.hero-product-cluster::after {
  content: "";
  position: absolute;
  right: 48px;
  bottom: 12px;
  width: 235px;
  height: 34px;
  border-radius: 50%;
  background: rgba(31, 22, 17, 0.38);
  filter: blur(16px);
}

.hero-pack,
.hero-size-card {
  position: absolute;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  object-fit: contain;
  object-position: center;
  box-shadow: var(--shadow-product);
}

.hero-pack {
  right: 2px;
  bottom: 32px;
  width: 280px;
  height: 218px;
  padding: 12px;
}

.hero-size-card {
  left: 2px;
  bottom: 0;
  width: 166px;
  height: 132px;
  padding: 10px;
}

.price-box {
  padding: 14px 14px 20px;
  background:
    radial-gradient(circle at 14% 0, rgba(201, 164, 95, 0.22), transparent 36%),
    linear-gradient(180deg, #332a24 0, var(--bg-main) 92px);
}

.trust-strip,
.final-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.trust-strip span,
.final-benefits li {
  display: grid;
  min-height: 64px;
  align-content: center;
  justify-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 9px 6px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.92);
  font-size: 11px;
  font-weight: 800;
  text-align: center;
  backdrop-filter: blur(14px);
}

.trust-strip img,
.final-benefits img,
.benefit-grid img,
.method-block img,
.surface-grid img {
  width: 22px;
  height: 22px;
}

.offer-card {
  width: 100%;
  border: 1px solid rgba(33, 29, 26, 0.08);
  border-radius: 24px;
  padding: 22px 18px 20px;
  background: #fffdf9;
  box-shadow: 0 14px 34px rgba(42, 31, 24, 0.08);
}

.offer-card__label {
  margin-bottom: 16px;
  color: #756b63;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.offer-card__content {
  display: grid;
  grid-template-columns: 94px minmax(118px, 1fr) 90px;
  align-items: center;
  gap: 12px;
}

.offer-card__old {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
}

.offer-card__old-label {
  margin-bottom: 5px;
  color: #8b8179;
  font-size: 12px;
  line-height: 1.2;
}

.offer-card__old-price {
  display: inline-block;
  color: #958a82;
  font-size: clamp(21px, 5.8vw, 27px);
  font-weight: 700;
  line-height: 1;
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  white-space: nowrap;
}

.offer-card__current {
  display: flex;
  min-width: 0;
  justify-content: center;
}

.offer-card__current-price {
  display: inline-block;
  color: #d64029;
  font-size: clamp(38px, 10.5vw, 44px);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.95;
  white-space: nowrap;
}

.offer-card__saving {
  max-width: 90px;
  justify-self: end;
  border-radius: 18px;
  padding: 10px 12px;
  background: #f8ded8;
  color: #b63120;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
}

.offer-card__meta {
  margin-top: 17px;
  border-top: 1px solid rgba(33, 29, 26, 0.08);
  padding-top: 15px;
  color: #625951;
  font-size: clamp(16px, 4.5vw, 19px);
  font-weight: 700;
  line-height: 1.3;
}

.main-cta {
  display: inline-flex;
  width: 100%;
  min-height: 60px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 14px 0 8px;
  border: 1px solid #e9b900;
  border-radius: 16px;
  background: linear-gradient(180deg, #ffe45c 0%, #ffd21f 100%);
  color: #17120a;
  font-size: clamp(19px, 5vw, 23px);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-align: center;
  box-shadow:
    0 10px 24px rgba(224, 177, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.main-cta span {
  font-size: 22px;
  line-height: 1;
}

.main-cta:hover {
  background: linear-gradient(180deg, #ffe970 0%, #ffd83a 100%);
  transform: translateY(-1px);
}

.main-cta:active {
  transform: translateY(1px) scale(0.99);
  box-shadow:
    0 5px 12px rgba(224, 177, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.main-cta:disabled {
  opacity: 0.72;
  cursor: wait;
}

.stock-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 12px 0 0;
  color: var(--text-secondary);
  font-size: clamp(15px, 4.2vw, 18px);
  font-weight: 700;
  text-align: center;
}

.stock-line span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(80, 108, 89, 0.12);
}

.stock-line b {
  color: var(--accent);
  font-weight: 900;
}

.section-kicker {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: clamp(14px, 4vw, 17px);
  font-weight: 900;
  letter-spacing: 0.09em;
  text-align: center;
  text-transform: uppercase;
}

.section-lead {
  max-width: 382px;
  margin: -4px auto 18px;
  color: var(--text-secondary);
  font-size: clamp(17px, 4.5vw, 20px);
  font-weight: 600;
  line-height: 1.45;
  text-align: center;
}

.before-after h1,
.section-title h2,
.panel-size h2,
.method-block h2,
.reviews h2,
.order-steps h2,
.order-form h2,
.info-section h2,
.surface-section h2,
.install-preview h2 {
  margin: 0 0 16px;
  color: var(--text-main);
  font-size: clamp(30px, 8.4vw, 38px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-align: center;
}

.before-after,
.info-section,
.panel-size,
.method-block,
.surface-section,
.reviews,
.order-steps,
.order-form,
.install-preview {
  position: relative;
  padding: 34px 14px;
}

.before-after,
.panel-size,
.method-block,
.surface-section,
.order-steps,
.install-preview {
  background: linear-gradient(180deg, var(--bg-light), var(--bg-main));
}

.before-after {
  background:
    radial-gradient(circle at 95% 5%, rgba(201, 164, 95, 0.22), transparent 32%),
    linear-gradient(180deg, #eee6dc, var(--bg-main));
}

.ba-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.ba-grid figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 3px solid rgba(255, 255, 255, 0.84);
  border-radius: 18px;
  background: #ddd;
  box-shadow: 0 16px 32px rgba(40, 29, 22, 0.14);
}

.ba-grid img {
  width: 100%;
  aspect-ratio: 1 / 1.08;
  object-fit: cover;
}

.ba-grid figcaption {
  position: absolute;
  left: 8px;
  bottom: 8px;
  min-width: 50px;
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(33, 28, 25, 0.70);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-align: center;
  backdrop-filter: blur(10px);
}

.ba-arrow {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin: -103px auto 66px;
  border-radius: 50%;
  background: linear-gradient(135deg, #d9b363, #f0cf7a);
  color: #211d1a;
  font-size: 21px;
  font-weight: 900;
  box-shadow: var(--shadow-card);
  transform: rotate(18deg);
  pointer-events: none;
}

.catalog {
  background:
    linear-gradient(180deg, #2a221d 0 118px, var(--bg-main) 118px),
    var(--bg-main);
}

.section-title {
  padding: 28px 14px 18px;
  text-align: center;
}

.section-title--dark,
.info-section--dark,
.timer-box {
  background:
    radial-gradient(circle at 12% -8%, rgba(201, 164, 95, 0.28), transparent 32%),
    linear-gradient(180deg, #2b241f, #17130f);
  color: #fff;
}

.section-title span {
  display: block;
  margin-bottom: 7px;
  color: #f0d28d;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.section-title--dark h2,
.info-section--dark h2,
.info-section--dark .section-kicker,
.timer-box span {
  color: #fff;
}

.product-list {
  display: grid;
  gap: 16px;
  padding: 0 12px 26px;
}

.product-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 28px;
  padding: 12px 12px 18px;
  background:
    radial-gradient(circle at 0 0, rgba(201, 164, 95, 0.13), transparent 34%),
    linear-gradient(180deg, #fffdf8, #f6ecdf);
  box-shadow: var(--shadow-product);
  text-align: center;
}

.product-card:nth-child(2n) {
  background:
    radial-gradient(circle at 100% 0, rgba(80, 108, 89, 0.16), transparent 32%),
    linear-gradient(180deg, #fffdf9, #eef1e9);
}

.product-image-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(33, 29, 26, 0.08);
  border-radius: 22px;
  width: 100%;
  height: 325px;
  padding: 14px;
  background: #f8f4ee;
  box-shadow: 0 15px 36px rgba(31, 22, 17, 0.14);
}

.product-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(33, 28, 25, 0.46);
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  backdrop-filter: blur(13px);
  box-shadow: 0 8px 20px rgba(31, 22, 17, 0.22);
}

.slider-arrow--left {
  left: 10px;
}

.slider-arrow--right {
  right: 10px;
}

.product-card h3 {
  margin: 17px 0 10px;
  font-size: clamp(26px, 7vw, 32px);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.product-meta,
.product-mini-benefits {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
}

.product-meta span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 800;
}

.product-prices {
  display: flex;
  width: fit-content;
  align-items: flex-end;
  justify-content: center;
  gap: 12px;
  margin: 14px auto 12px;
  border-radius: 999px;
  padding: 8px 15px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 8px 20px rgba(40, 29, 22, 0.08);
}

.product-prices s {
  color: #9b9188;
  font-size: 22px;
  font-weight: 800;
}

.product-prices strong {
  color: var(--accent);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.product-mini-benefits span {
  border-radius: 999px;
  padding: 8px 10px;
  background: rgba(80, 108, 89, 0.10);
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.product-card .main-cta {
  margin-bottom: 0;
}

.info-section:not(.info-section--dark) {
  background: linear-gradient(180deg, var(--bg-main), var(--bg-light));
}

.structure-card,
.review-card,
.order-form {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-card);
}

.structure-card {
  overflow: hidden;
  width: 100%;
  padding: 12px;
}

.structure-card > img {
  width: 100%;
  height: 280px;
  border-radius: 20px;
  object-fit: contain;
  object-position: center;
  background: var(--bg-light);
}

.layer-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 13px 2px 2px;
  list-style: none;
}

.layer-list li {
  display: grid;
  width: 100%;
  grid-template-columns: 50px 1fr;
  align-items: start;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  padding: 18px 10px;
}

.layer-list li:last-child {
  border-bottom: 0;
}

.layer-list b {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-dark);
  color: var(--gold);
  font-size: 15px;
  font-weight: 900;
}

.layer-list span {
  display: grid;
  gap: 3px;
  color: var(--text-secondary);
  font-size: clamp(16px, 4.2vw, 19px);
  font-weight: 600;
  text-align: left;
}

.layer-list strong {
  color: var(--text-main);
  font-size: clamp(18px, 5vw, 22px);
  font-weight: 900;
}

.info-section--dark {
  overflow: hidden;
}

.info-section--dark .section-kicker {
  color: #f0d28d;
}

.cutaway-card {
  position: relative;
  display: grid;
  gap: 18px;
  overflow: hidden;
  border: 1px solid rgba(238, 225, 200, 0.16);
  border-radius: 26px;
  width: 100%;
  padding: 24px 18px;
  background:
    radial-gradient(circle at 80% 18%, rgba(201, 164, 95, 0.18), transparent 34%),
    rgba(255, 255, 255, 0.05);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.18);
}

.cutaway-slab {
  position: relative;
  height: 116px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0 24%, #ded7cc 24% 38%, #f6ead9 38% 56%, #bfa677 56% 68%, #f2e6d4 68% 100%);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.22);
  transform: perspective(420px) rotateX(50deg) rotateZ(-3deg);
}

.cutaway-slab::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 18px;
  background-image:
    linear-gradient(135deg, rgba(33, 29, 26, 0.10) 25%, transparent 25%),
    linear-gradient(45deg, rgba(33, 29, 26, 0.08) 25%, transparent 25%);
  background-size: 38px 38px;
  opacity: 0.5;
}

.stack-visual {
  display: grid;
  gap: 10px;
}

.stack-visual span {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  width: 100%;
  padding: 18px 16px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(17px, 4.5vw, 20px);
  font-weight: 800;
}

.stack-visual b {
  width: 34px;
  height: 3px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 18px rgba(201, 164, 95, 0.42);
}

.panel-size {
  text-align: center;
  background:
    radial-gradient(circle at 88% 10%, rgba(80, 108, 89, 0.14), transparent 30%),
    var(--bg-light);
}

.panel-size h2 {
  color: var(--text-main);
  font-size: clamp(54px, 15vw, 70px);
}

.size-infographic {
  position: relative;
  margin: 0 auto 17px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 26px;
  width: 100%;
  padding: 20px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-card);
}

.panel-diagram {
  display: grid;
  width: min(100%, 305px);
  height: 330px;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin: 12px auto 34px;
  border: 2px solid rgba(33, 29, 26, 0.18);
  border-radius: 24px;
  padding: 16px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.90), rgba(242, 237, 229, 0.75)),
    var(--bg-light);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.7),
    0 18px 40px rgba(40, 29, 22, 0.12);
}

.panel-diagram span {
  border: 1px solid rgba(33, 29, 26, 0.08);
  border-radius: 11px;
  background:
    linear-gradient(135deg, transparent 44%, rgba(33, 29, 26, 0.04) 44% 56%, transparent 56%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(231, 226, 218, 0.9));
  box-shadow: inset 0 1px 4px rgba(33, 29, 26, 0.04);
}

.measure,
.thickness {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--surface-dark);
  color: #f0d28d;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 12px 22px rgba(31, 22, 17, 0.20);
}

.measure--w {
  right: 46px;
  bottom: 26px;
  left: 46px;
  height: 34px;
}

.measure--h {
  top: 48px;
  right: 24px;
  width: 34px;
  min-height: 170px;
  writing-mode: vertical-rl;
}

.thickness {
  top: 23px;
  left: 24px;
  padding: 10px 14px;
  background: var(--gold);
  color: #211d1a;
}

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

.benefit-grid div {
  display: grid;
  width: 100%;
  min-height: 184px;
  align-content: start;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 20px;
  padding: 20px 16px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 10px 25px rgba(40, 29, 22, 0.07);
}

.benefit-grid img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  padding: 10px;
  background: var(--green-soft);
}

.benefit-grid b {
  color: var(--text-main);
  font-size: clamp(18px, 5vw, 22px);
  font-weight: 900;
  line-height: 1.12;
}

.benefit-grid span {
  color: var(--text-secondary);
  font-size: clamp(16px, 4.2vw, 19px);
  font-weight: 650;
  line-height: 1.35;
}

.install-preview img {
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 26px;
  box-shadow: var(--shadow-card);
}

.method-block ol {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.method-block ol::before,
.order-steps::before {
  content: "";
  position: absolute;
  top: 94px;
  bottom: 34px;
  left: 35px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(200, 70, 45, 0.42), transparent);
}

.method-block li {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 20px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 25px rgba(40, 29, 22, 0.06);
}

.method-block li img,
.order-step img {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  padding: 12px;
  background: var(--accent-soft);
}

.method-block li span {
  display: grid;
  gap: 3px;
  color: var(--text-secondary);
  font-size: clamp(16px, 4.2vw, 19px);
  font-weight: 600;
  text-align: left;
}

.method-block li b {
  color: var(--text-main);
  font-size: clamp(18px, 5vw, 22px);
  font-weight: 900;
}

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

.surface-section--allowed {
  background: linear-gradient(180deg, var(--bg-light), var(--green-soft));
}

.surface-section--danger {
  background: linear-gradient(180deg, #f8edea, var(--bg-main));
}

.surface-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
}

.surface-grid span {
  display: flex;
  width: 100%;
  min-height: 76px;
  align-items: center;
  gap: 11px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 17px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--text-main);
  font-size: clamp(16px, 4.4vw, 20px);
  font-weight: 850;
  box-shadow: 0 8px 18px rgba(40, 29, 22, 0.06);
}

.surface-grid img {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  padding: 10px;
  background: #fff;
}

.surface-grid--danger span {
  background: rgba(255, 255, 255, 0.70);
}

.reviews {
  background:
    radial-gradient(circle at 10% 0, rgba(201, 164, 95, 0.18), transparent 34%),
    var(--bg-light);
}

.review-slider {
  position: relative;
  padding: 0 6px;
}

.review-card {
  overflow: hidden;
  padding: 9px 9px 16px;
  text-align: left;
}

.review-result {
  width: 100%;
  aspect-ratio: 1 / 0.64;
  border-radius: 20px;
  object-fit: cover;
}

.review-person {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 11px;
  align-items: center;
  margin-top: -18px;
  padding: 0 9px;
}

.review-person > img {
  width: 58px;
  height: 58px;
  border: 3px solid #fff;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 20px rgba(40, 29, 22, 0.16);
}

.stars {
  color: var(--gold);
  font-size: 18px;
  letter-spacing: 0.05em;
}

.review-card h3 {
  margin: 2px 0;
  color: var(--text-main);
  font-size: 20px;
  font-weight: 900;
}

.review-person span,
.review-product {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 5px 9px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.review-card p {
  margin: 14px 9px 11px;
  color: var(--text-secondary);
  font-size: clamp(16px, 4.2vw, 19px);
  font-weight: 600;
  line-height: 1.5;
}

.review-product {
  margin-left: 9px;
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.reviews .slider-arrow {
  top: 47%;
  width: 38px;
  height: 38px;
}

.reviews .slider-arrow--left {
  left: 0;
}

.reviews .slider-arrow--right {
  right: 0;
}

.order-steps {
  position: relative;
  background: linear-gradient(180deg, var(--bg-main), var(--bg-light));
}

.order-step {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: 64px 1fr;
  gap: 15px;
  align-items: center;
  margin-top: 12px;
  border-radius: 20px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.order-step img {
  background: rgba(200, 70, 45, 0.12);
}

.order-step h3 {
  margin: 0 0 3px;
  font-size: clamp(19px, 5vw, 23px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.order-step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: clamp(16px, 4.2vw, 19px);
  font-weight: 600;
}

.final-offer {
  padding-bottom: 28px;
  background:
    radial-gradient(circle at 80% 4%, rgba(201, 164, 95, 0.22), transparent 36%),
    linear-gradient(180deg, #f8f3ec, var(--bg-main));
}

.timer-box {
  padding: 22px 14px 20px;
  text-align: center;
}

.timer-box span {
  display: block;
  margin-bottom: 8px;
  color: #f0d28d;
  font-size: clamp(15px, 4vw, 18px);
  font-weight: 900;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.timer b {
  display: grid;
  min-width: 60px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 30px;
  font-weight: 900;
  backdrop-filter: blur(12px);
}

.timer i {
  color: #f0d28d;
  font-style: normal;
  font-weight: 900;
}

.final-product {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  margin: 14px;
  border-radius: 28px;
  box-shadow: var(--shadow-product);
}

.final-product > img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.discount-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  display: grid;
  width: 70px;
  height: 70px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  box-shadow: var(--shadow-card);
}

.final-product-card {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  display: grid;
  grid-template-columns: 138px 1fr;
  gap: 12px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 22px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.final-product-card img {
  width: 138px;
  height: 112px;
  border-radius: 17px;
  object-fit: contain;
  object-position: center;
  background: var(--bg-light);
  box-shadow: 0 10px 24px rgba(31, 22, 17, 0.14);
}

.final-product-card strong,
.final-product-card span {
  display: block;
  text-align: left;
}

.final-product-card strong {
  color: var(--text-main);
  font-size: 22px;
  font-weight: 900;
}

.final-product-card span {
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 700;
}

.final-benefits {
  margin: 0 14px 12px;
}

.final-benefits li {
  min-height: 66px;
  margin: 0;
  background: rgba(255, 255, 255, 0.68);
  color: var(--text-main);
  list-style: none;
  box-shadow: 0 8px 20px rgba(40, 29, 22, 0.07);
}

.price-box--final {
  padding-top: 0;
  background: transparent;
}

.order-form {
  margin: 0 14px;
  padding: 22px 16px;
  background: rgba(255, 255, 255, 0.90);
}

.order-form h2 {
  margin-bottom: 8px;
  font-size: clamp(28px, 7.5vw, 36px);
}

.order-form > p {
  margin: 0 0 17px;
  color: var(--text-secondary);
  font-size: clamp(17px, 4.5vw, 20px);
  font-weight: 600;
  text-align: center;
}

.order-form label {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.order-form label span {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.order-form input {
  width: 100%;
  min-height: 62px;
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 0 15px;
  background: var(--bg-light);
  color: var(--text-main);
  font-size: 18px;
  font-weight: 700;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.order-form input:focus {
  border-color: rgba(201, 164, 95, 0.8);
  box-shadow: 0 0 0 4px rgba(201, 164, 95, 0.14);
}

.form-message {
  min-height: 22px;
  color: var(--accent);
  font-size: 16px;
  font-weight: 800;
  text-align: center;
}

.order-summary {
  display: grid;
  gap: 8px;
  margin: 2px 0 12px;
  border: 1px solid rgba(200, 70, 45, 0.14);
  border-radius: 18px;
  padding: 16px;
  background: #fff8f5;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 800;
}

.order-summary span,
.order-summary strong {
  display: block;
}

.order-summary strong {
  color: var(--accent);
  font-size: 18px;
  font-weight: 900;
}

.form-notes {
  display: grid;
  gap: 7px;
  margin-top: 13px;
}

.form-notes span {
  border-radius: 999px;
  padding: 8px 11px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 15px;
  font-weight: 900;
  text-align: center;
}

.sticky-cta {
  position: fixed;
  right: max(10px, calc((100vw - var(--page-width)) / 2 + 10px));
  bottom: calc(10px + env(safe-area-inset-bottom));
  left: max(10px, calc((100vw - var(--page-width)) / 2 + 10px));
  z-index: 20;
  display: flex;
  max-width: calc(var(--page-width) - 20px);
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 20px;
  padding: 9px 10px 9px 14px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 45px rgba(31, 22, 17, 0.22);
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity 180ms ease, transform 180ms ease;
  backdrop-filter: blur(18px);
}

.sticky-cta.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.sticky-cta span,
.sticky-cta strong {
  display: block;
}

.sticky-cta span {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.sticky-cta strong {
  color: var(--accent);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.sticky-cta button {
  min-height: 48px;
  border: 1px solid #e9b900;
  border-radius: 14px;
  padding: 0 18px;
  background: linear-gradient(180deg, #ffe45c 0%, #ffd21f 100%);
  color: #17120a;
  font-size: 16px;
  font-weight: 800;
  box-shadow:
    0 10px 24px rgba(224, 177, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

@media (max-width: 374px) {
  .hero-offer {
    min-height: 675px;
  }

  .hero-copy {
    padding-inline: 16px;
  }

  .hero-copy h1 {
    font-size: 46px;
  }

  .hero-copy p {
    max-width: 316px;
    font-size: 18px;
  }

  .hero-pack {
    width: 248px;
    height: 196px;
  }

  .hero-size-card {
    width: 146px;
    height: 116px;
  }

  .offer-card {
    padding: 20px 15px 18px;
  }

  .offer-card__content {
    grid-template-columns: 86px minmax(116px, 1fr) 76px;
    gap: 8px;
  }

  .offer-card__saving {
    max-width: 76px;
    padding: 8px 7px;
    font-size: 11px;
  }

  .offer-card__current-price {
    font-size: 36px;
  }

  .offer-card__old-price {
    font-size: 21px;
  }

  .before-after h1,
  .section-title h2,
  .panel-size h2,
  .method-block h2,
  .reviews h2,
  .order-steps h2,
  .order-form h2,
  .info-section h2,
  .surface-section h2,
  .install-preview h2 {
    font-size: 29px;
  }

  .product-image-wrap {
    height: 300px;
  }

  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .panel-diagram {
    height: 305px;
  }

  .final-product-card {
    grid-template-columns: 120px 1fr;
  }

  .final-product-card img {
    width: 120px;
  }
}

@media (min-width: 375px) and (max-width: 410px) {
  .offer-card__content {
    grid-template-columns: 104px minmax(130px, 1fr) 76px;
    gap: 8px;
  }

  .offer-card__current-price {
    font-size: 38px;
  }

  .offer-card__old-price {
    font-size: 21px;
  }

  .offer-card__saving {
    max-width: 76px;
    padding: 8px 7px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}