:root {
  --color-bg-deep: #121318;
  --color-bg-card: #1b1f2a;
  --color-bg-elevated: #222836;
  --color-surface: #2a3142;
  --color-accent: #9db4d7;
  --color-accent-muted: #6b7fa3;
  --color-accent-hover: #c5d4eb;
  --color-text: #eceef4;
  --color-text-soft: #9aa3b5;
  --color-border: #3a4154;
  --color-warning: #d4a574;
  --font-display: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.38);
  --shadow-glow: 0 0 36px rgba(109, 140, 180, 0.18);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --space-xs: 0.35rem;
  --space-sm: 0.65rem;
  --space-md: 1.1rem;
  --space-lg: 1.75rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;
  --header-h: 3.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-text);
  background: radial-gradient(ellipse 110% 70% at 50% -15%, #252a3d 0%, var(--color-bg-deep) 48%);
  min-height: 100vh;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(1.85rem, 4vw, 2.65rem);
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 9999;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-muted);
  color: var(--color-bg-deep);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  padding: var(--space-xs) var(--space-lg);
  background: rgba(18, 19, 24, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header__brand {
  font-weight: 800;
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  letter-spacing: -0.02em;
  color: var(--color-text);
  flex-shrink: 0;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
  flex: 1;
  justify-content: flex-end;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  row-gap: 0.2rem;
  column-gap: clamp(0.35rem, 1.2vw, 0.65rem);
  max-width: 100%;
}

.site-nav__list a {
  color: var(--color-text-soft);
  font-size: clamp(0.7rem, 0.55vw + 0.58rem, 0.8rem);
  font-weight: 500;
  line-height: 1.25;
  padding: 0.15rem 0;
  white-space: nowrap;
}

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

@media (min-width: 1001px) and (max-width: 1280px) {
  .site-nav__list a {
    font-size: clamp(0.68rem, 0.5vw + 0.55rem, 0.76rem);
  }

  .site-nav__list {
    column-gap: 0.4rem;
  }
}

.menu-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-bg-card);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

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

.menu-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

.site-nav--mobile {
  display: none;
}

@media (max-width: 1000px) {
  .site-nav--desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav--mobile {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex: none;
    margin-top: 0;
    padding: 0 var(--space-lg) var(--space-lg);
    background: var(--color-bg-deep);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-nav--mobile.is-open {
    max-height: 100vh;
    opacity: 1;
    visibility: visible;
  }

  .site-nav--mobile .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding-top: var(--space-sm);
    row-gap: 0;
    column-gap: 0;
    max-width: none;
  }

  .site-nav--mobile .site-nav__list a {
    font-size: clamp(0.8rem, 2.8vw, 0.9rem);
    white-space: normal;
    padding: 0.45rem 0;
    line-height: 1.35;
    border-radius: var(--radius-sm);
  }

  .site-nav--mobile .site-nav__list a:hover {
    color: var(--color-accent);
  }

  .site-nav--mobile .site-nav__list a:focus-visible {
    outline: 2px solid var(--color-accent-muted);
    outline-offset: 2px;
  }
}

main {
  overflow-x: hidden;
}

.section {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1120px;
  margin: 0 auto;
}

.section--tight {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.section__title {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.section__lead {
  color: var(--color-text-soft);
  max-width: 52ch;
  margin-bottom: var(--space-xl);
}

.hero {
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  align-items: start;
}

.hero__visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge--trust {
  background: rgba(109, 140, 180, 0.14);
  color: var(--color-accent-hover);
  border: 1px solid rgba(157, 180, 215, 0.35);
}

.badge--rating {
  background: rgba(212, 165, 116, 0.12);
  color: var(--color-warning);
  border: 1px solid rgba(212, 165, 116, 0.32);
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin: var(--space-md) 0 var(--space-lg);
}

.price-row__current {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

.price-row__old {
  font-size: 1.15rem;
  color: var(--color-text-soft);
  text-decoration: line-through;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent-muted);
  box-shadow: var(--shadow-md);
}

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

.grid-features .card:nth-child(odd) {
  background: linear-gradient(145deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);
}

.grid-features .card:nth-child(even) {
  border-color: rgba(157, 180, 215, 0.22);
}

.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.benefit-item {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.benefit-item:hover {
  background: var(--color-surface);
  border-color: var(--color-accent-muted);
}

.benefit-item h3 {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.ingredients-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-sm);
}

.ingredients-list li {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent-muted);
}

.usage-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.usage-steps li {
  counter-increment: step;
  position: relative;
  padding: var(--space-md) var(--space-md) var(--space-md) 3.25rem;
  margin-bottom: var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.usage-steps li::before {
  content: counter(step);
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-muted);
  color: var(--color-bg-deep);
  font-weight: 800;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

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

.review-card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.review-card:hover {
  box-shadow: var(--shadow-glow);
}

.review-card__author {
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.faq {
  max-width: 720px;
}

.faq details {
  margin-bottom: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  overflow: hidden;
}

.faq summary {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  transition: background var(--transition-fast);
}

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

.faq details[open] summary {
  border-bottom: 1px solid var(--color-border);
}

.faq details div {
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text-soft);
}

.cta-block {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  margin: var(--space-xl) auto;
  max-width: 800px;
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, var(--color-surface) 0%, var(--color-bg-card) 50%, var(--color-bg-deep) 100%);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.disclaimer {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--color-text-soft);
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-lg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.2);
}

.site-footer {
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.site-footer h3 {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: var(--space-xs);
}

.site-footer a {
  color: var(--color-text-soft);
}

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

.site-footer__meta {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text-soft);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-deep);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-muted);
  box-shadow: 0 0 0 3px rgba(109, 140, 180, 0.2);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group--check {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-sm);
}

.form-group--check input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--color-accent-muted);
}

.form-group--check label {
  display: block;
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.55;
  cursor: pointer;
  color: var(--color-text-soft);
}

.form-error {
  font-size: 0.8rem;
  color: #f08080;
  margin-top: var(--space-xs);
  min-height: 1.1em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn--primary {
  background: linear-gradient(135deg, #5a6d8c, #8fa8c9);
  color: #0f1118;
}

.btn--primary:hover {
  background: linear-gradient(135deg, #7d92b3, var(--color-accent-hover));
  color: #0a0c12;
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

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

.btn--secondary:hover {
  background: rgba(157, 180, 215, 0.1);
  color: #eef2f9;
  border-color: var(--color-accent);
}

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

.btn--ghost:hover {
  background: var(--color-bg-elevated);
  color: var(--color-accent-hover);
  border-color: rgba(157, 180, 215, 0.45);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: var(--space-lg);
  background: rgba(18, 19, 24, 0.97);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

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

.cookie-banner__inner {
  max-width: 960px;
  margin: 0 auto;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

@media (max-width: 600px) {
  .cookie-banner__actions {
    flex-direction: column;
    align-items: stretch;
  }

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

.cookie-settings {
  display: none;
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.cookie-settings.is-open {
  display: block;
}

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

.cookie-toggle-row:last-child {
  border-bottom: none;
}

.switch {
  position: relative;
  width: 3rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.switch__slider::before {
  content: "";
  position: absolute;
  height: 1.15rem;
  width: 1.15rem;
  left: 0.2rem;
  bottom: 0.175rem;
  background: var(--color-text);
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.switch input:checked + .switch__slider {
  background: #6b7fa3;
}

.switch input:checked + .switch__slider::before {
  transform: translateX(1.45rem);
}

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

.legal-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
}

.legal-page h1 {
  margin-bottom: var(--space-md);
}

.legal-page h2 {
  font-size: 1.2rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-page p,
.legal-page li {
  color: var(--color-text-soft);
}

.legal-page ul {
  padding-left: 1.25rem;
}

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

.thank-you {
  box-sizing: border-box;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  padding-left: max(var(--space-lg), env(safe-area-inset-left));
  padding-right: max(var(--space-lg), env(safe-area-inset-right));
  text-align: center;
  overflow-wrap: anywhere;
  word-wrap: break-word;
}

.thank-you .section__lead {
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
}

.thank-you__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  align-items: center;
  margin: var(--space-xl) 0;
  width: 100%;
}

.thank-you__actions .btn {
  min-width: 0;
  max-width: 100%;
}

.thank-you__block {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  text-align: center;
  box-sizing: border-box;
  width: 100%;
}

.thank-you__block .btn {
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 640px) {
  .thank-you {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
    padding-left: max(var(--space-md), env(safe-area-inset-left));
    padding-right: max(var(--space-md), env(safe-area-inset-right));
  }

  .thank-you .section__lead {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    text-align: left;
  }

  .thank-you__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .thank-you__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
    white-space: normal;
  }

  .thank-you__block {
    text-align: left;
    padding: var(--space-md);
  }

  .thank-you__block .section__title {
    text-align: left;
  }

  .thank-you__block .btn {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    white-space: normal;
  }
}