:root {
  --color-primary: #1a2421;
  --color-secondary: #edf2f1;
  --color-accent: #10b981;
  --color-white: #ffffff;
  --font-main: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 4px;
  --shadow: 0 12px 40px rgba(26, 36, 33, 0.08);
  --spacing: 1.5rem;
  --header-h: 4.25rem;
  --max-w: 72rem;
  --line-fiber: rgba(26, 36, 33, 0.12);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-primary);
  background: var(--color-white);
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 10000;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-fiber);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.85rem var(--spacing);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-primary);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
}

.nav-desktop {
  display: none;
}

.nav-desktop ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  justify-content: flex-end;
}

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.nav-desktop a:hover,
.nav-desktop a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--line-fiber);
  background: var(--color-white);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.burger:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.25);
}

.burger span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  margin: 0 0.5rem;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 36, 33, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  z-index: 998;
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(100%, 22rem);
  max-width: 1023px;
  height: 100vh;
  background: var(--color-white);
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: -8px 0 32px rgba(26, 36, 33, 0.12);
  display: flex;
  flex-direction: column;
}

.mobile-panel.is-open {
  transform: translateX(0);
}

.mobile-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--spacing);
  border-bottom: 1px solid var(--line-fiber);
}

.mobile-panel nav {
  padding: 1rem var(--spacing);
  overflow-y: auto;
  flex: 1;
}

.mobile-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-panel a {
  display: block;
  padding: 0.75rem 0;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--line-fiber);
}

.mobile-panel a:hover,
.mobile-panel a:focus-visible {
  color: var(--color-accent);
}

.close-panel {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line-fiber);
  background: var(--color-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

main {
  flex: 1;
}

.section {
  padding: clamp(2.5rem, 6vw, 5rem) var(--spacing);
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2.5rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  font-weight: 700;
}

.section-head p {
  margin: 0;
  color: rgba(26, 36, 33, 0.72);
  font-size: 1rem;
}

.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) var(--spacing);
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-white) 55%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(26, 36, 33, 0.06) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.hero-lead {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
  color: rgba(26, 36, 33, 0.78);
  max-width: 32rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.stars {
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.badge-trust {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--line-fiber);
  background: var(--color-white);
  border-radius: var(--radius);
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.price-current {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.price-old {
  font-size: 1.1rem;
  text-decoration: line-through;
  color: rgba(26, 36, 33, 0.45);
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 10% 5%;
  background: var(--color-white);
  opacity: 0.88;
  border-radius: var(--radius);
  z-index: 0;
  box-shadow: var(--shadow);
}

.hero-product-wrap {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
}

.hero-product-wrap img {
  margin: 0 auto;
  width: 100%;
  max-width: 380px;
  height: auto;
}

.order-card {
  position: relative;
  z-index: 2;
  margin-top: -2rem;
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--line-fiber);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@media (min-width: 900px) {
  .order-card {
    margin-top: 0;
  }
}

.order-card h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input,
textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line-fiber);
  border-radius: var(--radius);
  font: inherit;
  background: var(--color-white);
  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(16, 185, 129, 0.2);
}

textarea {
  min-height: 5rem;
  resize: vertical;
}

.field-error {
  font-size: 0.75rem;
  color: #b91c1c;
  margin-top: 0.25rem;
  display: none;
}

.field-error.is-visible {
  display: block;
}

.checkbox-row {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.checkbox-row input {
  width: auto;
  margin-top: 0.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 1.75rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 2px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.12s ease, padding 0.12s ease;
  width: 100%;
}

.btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.btn:active {
  transform: translate(2px, 2px);
  padding: 0 calc(1.75rem - 2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-secondary);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.grid-cards {
  display: grid;
  gap: 0;
  border: 1px solid var(--line-fiber);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 700px) {
  .grid-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.75rem;
  border-bottom: 1px solid var(--line-fiber);
  transition: box-shadow 0.35s ease, background 0.35s ease;
  position: relative;
}

@media (min-width: 700px) {
  .card {
    border-right: 1px solid var(--line-fiber);
    border-bottom: none;
  }

  .card:last-child {
    border-right: none;
  }
}

.card:last-child {
  border-bottom: none;
}

.card:hover {
  box-shadow: inset 0 0 0 1px transparent;
  background: linear-gradient(90deg, rgba(237, 242, 241, 0.5) 0%, rgba(16, 185, 129, 0.08) 100%);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(26, 36, 33, 0.75);
}

.icon-pulse {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.75rem;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  fill: none;
  transition: stroke-width 0.4s ease;
}

.card:hover .icon-pulse {
  stroke-width: 2.5;
}

.molecule {
  width: 3rem;
  height: 3rem;
  margin-bottom: 0.75rem;
  transform: rotate(0deg);
  transition: transform 0.35s ease-out;
  will-change: transform;
}

.two-col {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 800px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.protocol-steps {
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--line-fiber);
  border-radius: var(--radius);
  background: var(--color-secondary);
}

.step-num {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
}

.standards-list {
  display: grid;
  gap: 1rem;
}

.standard-item {
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.community-quote {
  max-width: 36rem;
  margin: 0 auto;
  text-align: center;
  font-size: 1.1rem;
  font-style: italic;
  color: rgba(26, 36, 33, 0.82);
}

.community-quote footer {
  margin-top: 1rem;
  font-style: normal;
  font-size: 0.9rem;
  color: rgba(26, 36, 33, 0.55);
}

.faq {
  max-width: 40rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--line-fiber);
}

.faq-trigger {
  width: 100%;
  text-align: left;
  padding: 1.1rem 0;
  background: none;
  border: none;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

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

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-panel-inner {
  padding-bottom: 1.1rem;
  color: rgba(26, 36, 33, 0.78);
  font-size: 0.95rem;
}

.contact-block {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto;
}

.contact-block a.mail {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  padding: 0.85rem 1.5rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  color: var(--color-primary);
  transition: background 0.2s ease, color 0.2s ease;
}

.contact-block a.mail:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.legal-strip {
  margin-top: 3rem;
  padding: 1.25rem;
  background: var(--color-secondary);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: rgba(26, 36, 33, 0.85);
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  border: 1px solid var(--line-fiber);
}

.site-footer {
  margin-top: auto;
  padding: 2rem var(--spacing);
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.88);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  text-align: center;
}

@media (min-width: 700px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
    align-items: start;
  }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 700px) {
  .footer-links {
    justify-content: flex-end;
  }
}

.site-footer a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-size: 0.875rem;
}

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

.footer-copy {
  font-size: 0.875rem;
  margin: 0;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  padding: var(--spacing);
  background: rgba(26, 36, 33, 0.97);
  color: var(--color-white);
  transform: translateY(110%);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
}

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

.cookie-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cookie-actions .btn {
  width: auto;
  min-height: 2.75rem;
  padding: 0 1.25rem;
  font-size: 0.875rem;
}

.cookie-actions .btn-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.cookie-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: grid;
  place-items: center;
  padding: var(--spacing);
  background: rgba(26, 36, 33, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  width: min(100%, 28rem);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.modal-dialog h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-fiber);
}

.toggle-row small {
  display: block;
  color: rgba(26, 36, 33, 0.6);
  font-size: 0.8rem;
}

.switch {
  position: relative;
  width: 3rem;
  height: 1.6rem;
  flex-shrink: 0;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #ccc;
  border-radius: 999px;
  transition: background 0.3s ease;
}

.slider::before {
  content: "";
  position: absolute;
  height: 1.2rem;
  width: 1.2rem;
  left: 0.2rem;
  bottom: 0.2rem;
  background: white;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

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

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

.switch input:disabled + .slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.reveal {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(24px);
  transition: opacity 0.7s ease, filter 0.7s ease, transform 0.7s ease;
}

.reveal.is-inview {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.legal-page {
  padding: 2rem var(--spacing) 4rem;
}

.legal-page .section-inner {
  max-width: 48rem;
}

.legal-page h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.legal-page h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
}

.legal-page p,
.legal-page ul {
  margin: 0 0 1rem;
  color: rgba(26, 36, 33, 0.85);
}

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

.date {
  font-size: 0.9rem;
  color: rgba(26, 36, 33, 0.6);
  margin-bottom: 1.5rem;
}

.thank-you {
  text-align: center;
  padding: clamp(4rem, 12vw, 8rem) var(--spacing);
}

.thank-you h1 {
  margin: 0 0 1rem;
}

@media (min-width: 1024px) {
  .burger {
    display: none;
  }

  .nav-desktop {
    display: block;
  }
}

body.menu-open {
  overflow: hidden;
}