:root {
  --lumen-bg: #e9edf2;
  --lumen-surface: #ffffff;
  --lumen-accent: #2563eb;
  --lumen-pill: #dbeafe;
  --lumen-ink: #0f1e3d;
  --lumen-muted: #5b6b82;
  --lumen-line: #e3e9f3;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--lumen-bg);
  color: var(--lumen-ink);
  font-family: "Noto Sans SC", "Manrope", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

.lumen-shell {
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
  min-height: 100vh;
  background: var(--lumen-surface);
  overflow-x: hidden;
}

h1 {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 900;
}

h2 {
  font-size: 26px;
  line-height: 1.4;
  font-weight: 900;
}

h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
}

/* Hero */
.lumen-hero {
  padding: 24px 20px 20px;
  text-align: center;
}

.lumen-kicker {
  font-size: 16px;
  color: var(--lumen-muted);
}

.lumen-hero h1 {
  margin-top: 6px;
}

.lumen-spec-line {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--lumen-pill);
  color: var(--lumen-accent);
  font-weight: 500;
  font-size: 15px;
}

.lumen-photo {
  position: relative;
  margin-top: 18px;
  border-radius: 20px;
  overflow: hidden;
  background: #f4f7fb;
  aspect-ratio: 1 / 1;
}

.lumen-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lumen-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--lumen-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

/* Buttons */
.lumen-cta-wrap {
  padding: 0 20px;
}

.lumen-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 58px;
  margin: 18px 0 0;
  padding: 10px 20px;
  border-radius: 100px;
  background: var(--lumen-accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

/* Sections */
.lumen-section {
  padding: 28px 20px;
}

.lumen-title {
  text-align: center;
  margin-bottom: 16px;
}

.lumen-lead {
  font-size: 17px;
  text-align: center;
  color: var(--lumen-ink);
  margin-bottom: 16px;
}

.lumen-note {
  margin-top: 16px;
  font-size: 15px;
  color: var(--lumen-muted);
  text-align: center;
}

/* Use-case cards with pills */
.lumen-uses {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.lumen-use-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.lumen-use-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
}

.lumen-pill {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--lumen-pill);
  color: var(--lumen-ink);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  max-width: 90%;
}

.lumen-pill-r {
  align-self: flex-end;
}

.lumen-pill-l {
  align-self: flex-start;
}

/* Detail section */
.lumen-wide {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 22px;
  margin: 16px 0;
}

/* Spec grid */
.lumen-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.lumen-spec-cell {
  background: #f4f8ff;
  border: 1px solid var(--lumen-line);
  border-radius: 18px;
  padding: 14px 12px;
  text-align: center;
}

.lumen-spec-cell b {
  display: block;
  font-size: 14px;
  color: var(--lumen-muted);
  font-weight: 500;
}

.lumen-spec-cell span {
  display: block;
  margin-top: 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--lumen-ink);
}

/* Perk pills */
.lumen-perks {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 0;
}

.lumen-perk {
  max-width: 88%;
  padding: 14px 20px;
  border-radius: 28px;
  background: var(--lumen-accent);
  color: #ffffff;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
}

.lumen-perk-r {
  align-self: flex-end;
  background: var(--lumen-pill);
  color: var(--lumen-ink);
}

.lumen-perk-l {
  align-self: flex-start;
}

/* Gallery strip */
.lumen-strip {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 12px;
  padding: 0 20px 28px;
  scrollbar-width: none;
}

.lumen-strip::-webkit-scrollbar {
  display: none;
}

.lumen-strip img {
  flex: 0 0 85%;
  scroll-snap-align: center;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #f4f7fb;
  border-radius: 20px;
}

/* Delivery steps */
.lumen-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lumen-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--lumen-line);
  border-radius: 20px;
}

.lumen-step-ico {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--lumen-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.lumen-step p {
  font-size: 15px;
  color: var(--lumen-muted);
}

/* Price */
.lumen-price-box {
  background: var(--lumen-accent);
  color: #ffffff;
  border-radius: 24px;
  padding: 22px 20px;
  text-align: center;
}

.lumen-price-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 15px;
  font-weight: 700;
}

.lumen-price {
  display: block;
  margin: 8px 0 4px;
  font-size: 44px;
  font-weight: 900;
  line-height: 1.3;
}

.lumen-price-note {
  font-size: 15px;
}

/* Form */
.lumen-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--lumen-line);
  border-radius: 24px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.lumen-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lumen-field span {
  font-weight: 700;
  font-size: 15px;
}

.lumen-field input {
  width: 100%;
  min-height: 56px;
  padding: 12px 16px;
  border: 1.5px solid #cfd9e8;
  border-radius: 16px;
  background: #fafcff;
  color: var(--lumen-ink);
  font-family: inherit;
  font-size: 16px;
}

.lumen-field input:focus {
  outline: none;
  border-color: var(--lumen-accent);
}

.lumen-submit {
  width: 100%;
  min-height: 58px;
  border: 0;
  border-radius: 100px;
  background: var(--lumen-accent);
  color: #ffffff;
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}

.lumen-consent {
  font-size: 14px;
  color: var(--lumen-muted);
  text-align: center;
}

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

/* Footer */
.lumen-footer {
  background: var(--lumen-ink);
  color: #dbe6f7;
  padding: 28px 20px 32px;
  font-size: 14px;
  line-height: 1.7;
  text-align: center;
}

.lumen-footer p {
  margin-bottom: 6px;
}

.lumen-footer a {
  color: #ffffff;
}

.lumen-footer-brand {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.lumen-footer-links {
  margin-top: 12px;
}

/* Thank-you page */
.lumen-thanks {
  padding: 56px 20px 40px;
  text-align: center;
}

.lumen-check {
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--lumen-pill);
  color: var(--lumen-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 900;
}

.lumen-thanks h1 {
  margin-bottom: 14px;
}

.lumen-thanks p {
  font-size: 16px;
  color: var(--lumen-muted);
  margin-bottom: 10px;
}

.lumen-thanks .lumen-cta {
  margin-top: 24px;
}

/* Policy pages */
.lumen-doc {
  padding: 24px 20px 32px;
}

.lumen-doc-head {
  text-align: center;
  margin-bottom: 8px;
}

.lumen-doc-date {
  font-size: 14px;
  color: var(--lumen-muted);
  margin-top: 6px;
}

.lumen-doc h2 {
  font-size: 19px;
  margin: 22px 0 8px;
  color: var(--lumen-accent);
}

.lumen-doc p {
  font-size: 16px;
  color: #2a3850;
  margin-bottom: 10px;
}

.lumen-doc .lumen-cta {
  margin-top: 28px;
}

@media (max-width: 340px) {
  .lumen-price {
    font-size: 36px;
  }

  .lumen-spec-grid {
    grid-template-columns: 1fr;
  }
}