:root {
  --color-bg: #f3f1f9;
  --color-surface: #ffffff;
  --color-surface-alt: #e9e4f5;
  --color-accent: #4c3d8f;
  --color-accent-hover: #3a2d6e;
  --color-accent-muted: #6f62a8;
  --color-accent-rgb: 76, 61, 143;
  --color-ink: #1c1b22;
  --color-ink-soft: #4a4858;
  --color-border: #d4cfe6;
  --color-warn: #a65d1a;
  --color-error: #b42318;
  --color-success: #1d5f3a;
  --color-review-border: #b87a3d;
  --color-hero-mist: #e4dff2;
  --color-section-mid: #ded8f0;
  --color-dark-section: #2a2638;
  --color-dark-section-muted: #c9c4d8;
  --color-disclaimer-bg: #252030;
  --color-disclaimer-text: #b8b3c9;
  --font-display: "DM Sans", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --fs-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --fs-sm: clamp(0.8125rem, 0.78rem + 0.25vw, 0.875rem);
  --fs-base: clamp(0.9375rem, 0.9rem + 0.3vw, 1rem);
  --fs-md: clamp(1.0625rem, 1rem + 0.4vw, 1.125rem);
  --fs-lg: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --fs-xl: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  --fs-2xl: clamp(2rem, 1.5rem + 1.5vw, 2.75rem);
  --shadow-sm: 0 1px 2px rgba(28, 24, 40, 0.07);
  --shadow-md: 0 4px 16px rgba(28, 24, 40, 0.09);
  --shadow-lg: 0 14px 42px rgba(28, 24, 40, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --max-width: 1120px;
  --header-h: 3.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 10000;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: 600;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(243, 241, 249, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--header-h);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-decoration: none;
  line-height: 1.2;
  max-width: min(220px, 55vw);
}

.logo:hover {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-accent-muted);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-toggle-icon {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-ink);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  align-items: center;
}

.site-nav a {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-ink-soft);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover {
  background: var(--color-surface-alt);
  color: var(--color-accent);
}

@media (max-width: 1000px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-h);
    margin: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.35s ease, visibility 0.35s;
  }

  .site-nav.is-open {
    max-height: 100vh;
    overflow-y: auto;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    gap: var(--space-1);
  }

  .site-nav a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-sm);
  }
}

main {
  overflow-x: hidden;
}

.section {
  padding: var(--space-8) var(--space-4);
}

.section--tight {
  padding: var(--space-7) var(--space-4);
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero {
  background: linear-gradient(155deg, var(--color-surface-alt) 0%, var(--color-bg) 42%, var(--color-hero-mist) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-7);
  align-items: center;
}

.hero-visual {
  position: relative;
  max-width: 36rem;
  margin-inline: auto;
}

.hero-visual figure {
  margin: 0;
  padding: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  isolation: isolate;
}

.hero-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: inherit;
}

.hero-badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 2;
  background: var(--color-surface);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  box-shadow: var(--shadow-md);
  color: var(--color-accent);
}

.hero-rating {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-ink-soft);
}

.hero-rating-stars {
  color: var(--color-review-border);
  letter-spacing: 0.05em;
}

.hero-note {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--color-ink-soft);
  background: rgba(var(--color-accent-rgb), 0.08);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent-muted);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  letter-spacing: -0.03em;
}

.hero-lead {
  font-size: var(--fs-md);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-5);
  max-width: 36ch;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.price-current {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--color-accent);
}

.price-old {
  font-size: var(--fs-md);
  color: var(--color-ink-soft);
  text-decoration: line-through;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.card--order {
  border-top: 4px solid var(--color-accent);
}

.form-grid {
  display: grid;
  gap: var(--space-4);
}

label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-ink-soft);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font: inherit;
  background: var(--color-bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.22);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.field-error {
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: var(--space-2);
  min-height: 1.25em;
}

.checkbox-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.checkbox-row input {
  margin-top: 0.35em;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font: inherit;
  font-weight: 700;
  font-size: var(--fs-sm);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #f7f5ff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #fffdf8;
  box-shadow: var(--shadow-md);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: #faf8ff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-surface-alt);
  color: var(--color-accent);
}

.section-features {
  background: var(--color-surface);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-5);
}

.feature-tile {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #faf8ff 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.feature-tile h3 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  margin: 0 0 var(--space-3);
}

.section-advantages {
  background: linear-gradient(180deg, var(--color-section-mid) 0%, var(--color-bg) 100%);
}

.advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-4);
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent-muted);
  box-shadow: var(--shadow-sm);
}

.advantage-num {
  flex-shrink: 0;
  align-self: flex-start;
  min-width: 2.25rem;
  margin-top: 0.2rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-xl);
  color: var(--color-accent-muted);
  line-height: 1.15;
  text-align: center;
}

.advantage-item > div {
  flex: 1;
  min-width: 0;
}

.section-detail {
  background: var(--color-dark-section);
  color: var(--color-dark-section-muted);
}

.section-detail h2 {
  color: #f2effa;
}

.section-detail p {
  color: var(--color-dark-section-muted);
}

.section-detail .section-head p {
  color: #d0cadf;
}

.section-usage {
  background: var(--color-surface-alt);
}

.usage-steps {
  counter-reset: step;
  display: grid;
  gap: var(--space-4);
}

.usage-step {
  counter-increment: step;
  position: relative;
  padding: var(--space-5);
  padding-left: calc(var(--space-4) + 2.25rem + var(--space-4));
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
}

.usage-step::before {
  content: counter(step);
  position: absolute;
  left: var(--space-4);
  top: var(--space-5);
  width: 2.25rem;
  height: 2.25rem;
  background: var(--color-accent);
  color: #fefcff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--fs-sm);
  line-height: 1;
  box-sizing: border-box;
}

.section-ingredients {
  background: var(--color-surface);
}

.ingredients-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.ingredients-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.ingredients-table th,
.ingredients-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.ingredients-table th {
  background: var(--color-surface-alt);
  font-weight: 700;
}

.ingredients-table tr:last-child td {
  border-bottom: none;
}

.section-reviews {
  background: linear-gradient(160deg, var(--color-hero-mist) 0%, var(--color-bg) 52%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-5);
}

.review-card {
  background: var(--color-surface);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: 3px solid var(--color-review-border);
}

.review-meta {
  font-size: var(--fs-xs);
  color: var(--color-ink-soft);
  margin-top: var(--space-3);
}

.section-faq {
  background: var(--color-surface);
}

.faq-list details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg);
  transition: background 0.2s ease;
}

.faq-list details:hover {
  background: var(--color-surface-alt);
}

.faq-list summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.section-cta {
  background: var(--color-accent);
  color: #f0ecff;
  text-align: center;
}

.section-cta h2 {
  color: #fff;
}

.section-cta p {
  color: #d8d0f0;
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
}

.section-cta .btn-primary {
  background: #fff;
  color: var(--color-accent);
}

.section-cta .btn-primary:hover {
  background: var(--color-surface-alt);
  color: var(--color-accent-hover);
}

.disclaimer {
  background: var(--color-disclaimer-bg);
  color: var(--color-disclaimer-text);
  font-size: var(--fs-xs);
  padding: var(--space-6) var(--space-4);
}

.disclaimer .wrap {
  max-width: 52rem;
}

.site-footer {
  background: var(--color-dark-section);
  color: #9d97b0;
  padding: var(--space-7) var(--space-4) var(--space-5);
  font-size: var(--fs-xs);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
}

.site-footer a {
  color: #c4bdd9;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer strong {
  color: #e8e4f5;
}

.footer-meta {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.section-head {
  margin-bottom: var(--space-6);
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  margin: 0 0 var(--space-3);
}

.section-head p {
  margin: 0;
  color: var(--color-ink-soft);
  max-width: 52ch;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  pointer-events: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.1);
  padding: var(--space-5);
  transform: translateY(100%);
  transition: transform 0.35s ease;
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: var(--space-4);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

@media (max-width: 640px) {
  .cookie-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-actions .btn {
    width: 100%;
  }
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(32, 26, 48, 0.58);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s;
}

.cookie-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cookie-modal[hidden] {
  display: none !important;
}

.cookie-modal-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-5);
  box-shadow: var(--shadow-lg);
}

.cookie-toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-toggle-row label {
  margin: 0;
  font-size: var(--fs-sm);
}

.switch {
  position: relative;
  width: 3rem;
  height: 1.5rem;
}

.switch input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
  appearance: none;
  -webkit-appearance: none;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  transition: background 0.2s;
  z-index: 1;
  pointer-events: none;
}

.switch-slider::before {
  content: "";
  position: absolute;
  height: 1.15rem;
  width: 1.15rem;
  left: 3px;
  bottom: 2px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.switch input:checked + .switch-slider {
  background: var(--color-accent-muted);
}

.switch input:checked + .switch-slider::before {
  transform: translateX(1.35rem);
}

.switch input:disabled {
  cursor: not-allowed;
}

.switch input:disabled + .switch-slider {
  opacity: 0.6;
  cursor: not-allowed;
}

.legal-page {
  padding: var(--space-7) var(--space-4) var(--space-9);
}

.legal-page article {
  max-width: 46rem;
  margin: 0 auto;
}

.legal-page article section + section {
  margin-top: var(--space-6);
}

.legal-page h1 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
}

.thank-page {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4) var(--space-6);
}

.thank-page .card {
  max-width: 36rem;
}

.home-back {
  margin-bottom: var(--space-5);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-4) 0;
}

.table-responsive table {
  min-width: 280px;
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.table-responsive th,
.table-responsive td {
  border: 1px solid var(--color-border);
  padding: var(--space-3);
}