:root {
  --ink: #121416;
  --muted: #5f666d;
  --line: #e0e3e6;
  --paper: #ffffff;
  --page: #eceff1;
  --soft: #f6f7f8;
  --yellow: #ffd323;
  --yellow-deep: #cfa600;
  --blue: #1688d8;
  --danger: #b52c26;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}
button, input { font: inherit; }
img, video { display: block; max-width: 100%; }

.landing-shell {
  width: min(100%, 540px);
  margin: 0 auto;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 0 46px rgba(18, 20, 22, .14);
}

.hero-video {
  position: relative;
  background: #030405;
}
.hero-video video {
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}
.sale-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 10px 28px rgba(0,0,0,.3);
}

.offer-panel {
  padding: 26px 18px 30px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  margin: 0 0 8px;
  color: #8f7200;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}
h1, h2, p { overflow-wrap: anywhere; }
h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.04;
}
.lead {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.48;
}

.price-card {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 10px;
  margin: 20px 0 12px;
}
.price-card div {
  padding: 13px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}
.price-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}
.price-card del {
  color: #8a9095;
  font-size: 17px;
  text-decoration: line-through 2px var(--danger);
}
.price-card strong {
  display: block;
  font-size: 29px;
  line-height: 1;
}

.bonus-card {
  display: grid;
  gap: 5px;
  margin: 0 0 12px;
  padding: 13px 14px;
  border: 1px solid #f0d35b;
  border-radius: 8px;
  background: #fff8d6;
}
.bonus-card strong {
  font-size: 15px;
  font-weight: 900;
}
.bonus-card span {
  color: #4e5358;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
}

.timer-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 18px;
  padding: 13px 14px;
  border-left: 5px solid var(--yellow);
  background: #101315;
  color: #fff;
}
.timer-card span {
  max-width: 190px;
  color: #d7dbdf;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
}
.timer-card strong {
  color: var(--yellow);
  font-size: 31px;
  white-space: nowrap;
}

.main-button {
  width: 100%;
  min-height: 56px;
  display: grid;
  place-items: center;
  padding: 12px 18px;
  border: 0;
  border-radius: 8px;
  background: var(--yellow);
  color: var(--ink);
  text-align: center;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 7px 0 var(--yellow-deep);
}
.main-button:active {
  transform: translateY(3px);
  box-shadow: 0 4px 0 var(--yellow-deep);
}

.benefits {
  padding: 30px 18px 26px;
  background: #fff;
}
.benefits h2 {
  margin: 0 0 16px;
  font-size: 28px;
}
.benefits ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.benefits li {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  min-height: 54px;
  border-bottom: 1px solid var(--line);
  font-weight: 900;
}
.benefits li span {
  color: var(--blue);
  font-size: 11px;
}

.demo-video-section {
  padding: 30px 18px 32px;
  border-top: 8px solid var(--page);
  background: #fff;
}
.demo-video-section h2 {
  margin: 0 0 10px;
  font-size: 29px;
  line-height: 1.08;
}
.demo-video-section > p:not(.eyebrow) {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}
.demo-video {
  width: 100%;
  overflow: hidden;
  border-radius: 10px;
  background: #050607;
  box-shadow: 0 16px 36px rgba(18, 20, 22, .18);
}

.photo-story {
  background: var(--soft);
}
.photo-block {
  margin: 0;
  padding: 0;
  background: #fff;
  border-top: 8px solid var(--page);
}
.photo-block img {
  width: 100%;
  height: auto;
  background: #050607;
}
.copy-block {
  padding: 22px 18px 28px;
}
.copy-block h2 {
  margin: 0 0 10px;
  font-size: 27px;
  line-height: 1.1;
}
.copy-block p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}
.copy-block a {
  display: inline-block;
  margin-top: 15px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
  text-decoration-thickness: 4px;
  text-decoration-color: var(--yellow);
  text-underline-offset: 5px;
}

.specs {
  padding: 32px 18px;
  background: #101315;
  color: #fff;
}
.specs h2 {
  margin: 0 0 18px;
  font-size: 28px;
}
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.spec-grid div {
  min-height: 96px;
  padding: 14px;
  border: 1px solid #30363b;
  border-radius: 8px;
  background: #181c20;
}
.spec-grid span {
  display: block;
  margin-bottom: 6px;
  color: var(--yellow);
  font-size: 27px;
  font-weight: 900;
}
.spec-grid p {
  margin: 0;
  color: #d7dbdf;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
}

.reviews-section {
  padding: 32px 18px 36px;
  border-top: 8px solid var(--page);
  background: #fff;
}
.reviews-section h2 {
  margin: 0 0 10px;
  font-size: 29px;
  line-height: 1.08;
}
.reviews-lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}
.reviews-list {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 2px 2px 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.reviews-list img {
  flex: 0 0 min(84vw, 328px);
  width: min(84vw, 328px);
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 14px 32px rgba(18, 20, 22, .14);
  scroll-snap-align: start;
}

.order-section {
  padding: 34px 18px 44px;
  background: #fff;
}
.order-section h2 {
  margin: 0 0 18px;
  font-size: 31px;
  line-height: 1.08;
}
.error-box {
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid #edb3af;
  background: #fff0ee;
  color: var(--danger);
  line-height: 1.4;
}
.error-box ul {
  margin: 8px 0 0;
  padding-left: 20px;
}
.order-form {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--soft);
}
.field {
  display: block;
  margin-bottom: 14px;
}
.field > span {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  font-weight: 900;
}
.field input {
  width: 100%;
  min-height: 50px;
  padding: 0 13px;
  border: 1px solid #cbd1d5;
  border-radius: 7px;
  outline: 0;
  background: #fff;
  color: var(--ink);
}
.field input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(22, 136, 216, .14);
}
.quantity-field small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}
.quantity-control {
  display: grid;
  grid-template-columns: 50px 1fr 50px;
  gap: 8px;
  align-items: center;
}
.quantity-control button {
  width: 50px;
  height: 50px;
  border: 0;
  border-radius: 7px;
  background: #101315;
  color: #fff;
  font-size: 25px;
  font-weight: 900;
  cursor: pointer;
}
.quantity-control input {
  min-height: 50px;
  padding: 0 8px;
  text-align: center;
  font-size: 20px;
  font-weight: 900;
  -moz-appearance: textfield;
}
.quantity-control input::-webkit-outer-spin-button,
.quantity-control input::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}
.order-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 20px 0 15px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.order-total span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.order-total strong {
  font-size: 28px;
}
.saving-note {
  min-height: 20px;
  margin: -5px 0 14px;
  color: #7b6600;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
}
.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
  line-height: 1.4;
}

footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px 18px 88px;
  background: var(--ink);
  color: #fff;
  text-align: center;
}
footer span {
  color: #aab0b5;
  font-size: 12px;
}

.stock-widget {
  position: fixed;
  z-index: 35;
  right: max(12px, calc((100vw - 540px) / 2 + 12px));
  bottom: 82px;
  width: min(260px, calc(100vw - 24px));
  display: grid;
  justify-items: end;
  gap: 7px;
  pointer-events: none;
}
.stock-widget__row {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border: 1px solid rgba(18, 20, 22, .08);
  border-radius: 15px;
  background: rgba(255, 255, 255, .96);
  color: #3f464c;
  font-size: 14px;
  line-height: 1;
  box-shadow: 0 8px 24px rgba(18, 20, 22, .18);
  backdrop-filter: blur(10px);
}
.stock-widget__row--top {
  border-radius: 22px;
  background: rgba(217, 236, 255, .97);
}
.stock-widget strong {
  min-width: 28px;
  padding: 4px 6px;
  border-radius: 6px;
  background: var(--yellow);
  color: var(--ink);
  text-align: center;
  font-size: 15px;
  font-weight: 900;
}
.stock-widget__row:not(.stock-widget__row--top) strong {
  min-width: 22px;
  padding: 0;
  background: transparent;
  color: #e0312f;
}
.stock-widget__icon {
  width: 21px;
  height: 21px;
  position: relative;
  display: inline-block;
  flex: 0 0 21px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: inset 0 0 0 2px #8a7000;
}
.stock-widget__icon::before,
.stock-widget__icon::after {
  content: "";
  position: absolute;
  background: #5c4b00;
}
.stock-widget__icon::before {
  left: 5px;
  top: 8px;
  width: 11px;
  height: 6px;
  border-radius: 2px;
}
.stock-widget__icon::after {
  left: 8px;
  top: 5px;
  width: 8px;
  height: 2px;
  transform: rotate(25deg);
}

.sticky-buy {
  position: fixed;
  z-index: 20;
  right: 12px;
  bottom: 12px;
  left: 12px;
  max-width: 516px;
  min-height: 56px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 16px;
  border-radius: 8px;
  background: rgba(18, 20, 22, .96);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(0,0,0,.26);
}
.sticky-buy span {
  color: var(--yellow);
  font-size: 19px;
  font-weight: 900;
}
.sticky-buy strong {
  padding: 10px 15px;
  border-radius: 6px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 13px;
}

.result-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--page);
}
.result {
  width: min(100%, 520px);
  padding: 30px 22px;
  border-top: 7px solid #1b9b58;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(18,20,22,.12);
}
.result--error { border-top-color: var(--danger); }
.result__icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 50%;
  background: #e9f7ef;
  color: #1b9b58;
  font-size: 28px;
  font-weight: 900;
}
.result--error .result__icon {
  background: #fff0ee;
  color: var(--danger);
}
.result h1 {
  margin: 0;
  font-size: 31px;
  line-height: 1.08;
}
.result > p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.5;
}
.result__meta {
  margin: 20px 0;
  border-top: 1px solid var(--line);
}
.result__meta div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.result__meta dt { color: var(--muted); }
.result__meta dd {
  margin: 0;
  font-weight: 900;
}
.result__details {
  margin: 0 0 20px;
  padding: 14px 14px 14px 31px;
  background: #fff0ee;
  color: var(--danger);
}
.result-button {
  min-height: 54px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--yellow);
  color: var(--ink);
  text-decoration: none;
  font-weight: 900;
}

@media (min-width: 700px) {
  .landing-shell {
    margin-top: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
  }
}
@media (max-width: 380px) {
  h1 { font-size: 30px; }
  .price-card { grid-template-columns: 1fr; }
  .timer-card {
    align-items: flex-start;
    flex-direction: column;
  }
  .stock-widget {
    right: 10px;
    bottom: 78px;
    width: min(246px, calc(100vw - 20px));
  }
  .stock-widget__row {
    min-height: 38px;
    padding: 8px 10px;
    font-size: 13px;
  }
}