/* Velion Peptides — brand tokens */
:root {
  --teal: #005b5b;
  --teal-deep: #004848;
  --teal-mid: #0a7a7a;
  --aqua: #00a8b0;
  --aqua-soft: #e6f6f7;
  --ink: #121816;
  --ink-soft: #3a4542;
  --muted: #6b7875;
  --line: #d8e2e1;
  --paper: #f7faf9;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(0, 72, 72, 0.08);
  --radius: 14px;
  --header-h: 72px;
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --phone: "+70000000000";
  --whatsapp: "70000000000";
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 90% -10%, rgba(0, 168, 176, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(0, 91, 91, 0.06), transparent 55%),
    var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--teal);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

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

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.container.narrow {
  width: min(760px, calc(100% - 2.5rem));
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 250, 249, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 72, 72, 0.05);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--teal);
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.logo-mark {
  width: 42px;
  height: auto;
  display: block;
  flex-shrink: 0;
  color: var(--teal);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.logo-name {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--ink);
}

.logo-sub {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.58rem;
  color: var(--teal);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1.5px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
}

.lang-btn {
  min-width: 36px;
  height: 30px;
  padding: 0 0.55rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.lang-btn:hover {
  color: var(--teal);
}

.lang-btn.is-active {
  background: var(--teal);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  min-height: 40px;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

.btn-primary {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 10px 28px rgba(0, 91, 91, 0.28);
}

.btn-primary:hover {
  background: var(--teal-deep);
}

.btn-telegram {
  background: #229ed9;
  color: #fff;
}

.btn-telegram:hover {
  background: #1b8bc0;
}

.btn-whatsapp {
  background: #1faa59;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #18964d;
}

.btn-ghost {
  background: transparent;
  border-color: var(--teal);
  color: var(--teal);
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 3rem 0 4.5rem;
  background:
    radial-gradient(900px 520px at 50% 8%, rgba(210, 236, 238, 0.55), transparent 62%),
    linear-gradient(180deg, #f8fcfc 0%, #f3f9f9 45%, #eef6f6 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
}

.hero-glow-a {
  width: min(520px, 55vw);
  height: min(520px, 55vw);
  left: -8%;
  bottom: -12%;
  background: radial-gradient(circle, rgba(0, 168, 176, 0.22), transparent 68%);
  animation: glowDrift 14s ease-in-out infinite;
}

.hero-glow-b {
  width: min(480px, 50vw);
  height: min(480px, 50vw);
  right: -6%;
  top: -8%;
  background: radial-gradient(circle, rgba(0, 91, 91, 0.16), transparent 68%);
  animation: glowDrift 16s ease-in-out infinite reverse;
}

.hero-scene {
  position: absolute;
  color: #0a7a7a;
  pointer-events: none;
  will-change: transform;
}

.hero-molecule {
  width: min(540px, 48vw);
  height: min(600px, 74vh);
  left: max(-6%, calc(50% - 640px));
  bottom: 2%;
  opacity: 0.48;
  filter: drop-shadow(0 18px 36px rgba(0, 91, 91, 0.05));
  -webkit-mask-image: radial-gradient(ellipse 72% 68% at 42% 58%, #000 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 72% 68% at 42% 58%, #000 35%, transparent 78%);
  animation: moleculeFloat 20s ease-in-out infinite;
}

.hero-molecule .mol-svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.hero-dna {
  width: min(320px, 32vw);
  height: min(720px, 88vh);
  right: max(-4%, calc(50% - 580px));
  top: 4%;
  opacity: 0.44;
  filter: drop-shadow(0 18px 36px rgba(0, 91, 91, 0.05));
  -webkit-mask-image: radial-gradient(ellipse 70% 78% at 58% 42%, #000 32%, transparent 76%);
  mask-image: radial-gradient(ellipse 70% 78% at 58% 42%, #000 32%, transparent 76%);
  animation: dnaFloat 22s ease-in-out infinite;
}

.hero-dna .dna-svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
}

.hero-brand {
  display: grid;
  justify-items: center;
  width: min(100%, 640px);
  position: relative;
  isolation: isolate;
}

.hero-brand::before {
  content: "";
  position: absolute;
  inset: -8% -12% -4%;
  z-index: -1;
  background: radial-gradient(ellipse at 50% 42%, rgba(248, 252, 252, 0.92) 0%, rgba(248, 252, 252, 0.55) 48%, transparent 72%);
  pointer-events: none;
}

.hero-logo-mark {
  width: clamp(88px, 14vw, 128px);
  height: auto;
  display: block;
  margin-bottom: 0.85rem;
  color: var(--teal);
  animation: floatVisual 7s ease-in-out infinite;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--aqua);
}

.brand-hero {
  margin: 0;
  display: grid;
  justify-items: center;
  gap: 0.2rem;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.brand-line {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.2rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(0.9rem, 1.8vw, 1.15rem);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--teal);
}

.brand-line span {
  display: block;
  width: 42px;
  height: 1px;
  background: var(--teal);
  opacity: 0.75;
}

.hero-research {
  margin: 1.15rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink);
}

.hero-divider {
  width: 48px;
  height: 1.5px;
  margin: 1rem auto 1.15rem;
  background: var(--teal);
  opacity: 0.75;
}

.hero-tagline {
  margin: 0 0 1.35rem;
  display: grid;
  gap: 0.2rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  line-height: 1.25;
}

.hero-lead {
  margin: 0 auto 1.75rem;
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 2.75rem;
}

.section-head h2,
.contacts-info h2,
.order-panel h2,
.why-copy h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  letter-spacing: -0.02em;
  color: var(--teal-deep);
  line-height: 1.15;
}

.section-lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.about-card {
  padding: 1.4rem 1.2rem 1.5rem;
  border-top: 2px solid var(--teal);
}

.icon-wrap {
  width: 44px;
  height: 44px;
  color: var(--teal);
  margin-bottom: 1rem;
}

.icon-wrap svg,
.adv-icon svg {
  width: 100%;
  height: 100%;
}

.about-card h3,
.adv-item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.about-card p,
.adv-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.why-us {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(230, 246, 247, 0.75)),
    var(--white);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
}

.check-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--ink-soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.7rem;
  height: 0.7rem;
  border: 2px solid var(--teal);
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg);
}

.why-visual img {
  width: 100%;
  border-radius: var(--radius);
}

/* Catalog */
.catalog {
  background:
    linear-gradient(180deg, transparent, rgba(0, 91, 91, 0.03) 20%, rgba(0, 91, 91, 0.03) 80%, transparent);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(0, 91, 91, 0.28);
}

.product-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.product-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s var(--ease);
}

.product-card:hover .product-photo {
  transform: scale(1.04);
}

.product-body {
  padding: 1.2rem 1.2rem 1.35rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.45rem;
}

.product-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.product-dose {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--aqua);
  letter-spacing: 0.04em;
}

.product-desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  flex: 1;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.product-price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
}

.product-badge {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Advantages */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.adv-item {
  text-align: left;
  padding: 0.5rem 0.25rem;
}

.adv-icon {
  width: 52px;
  height: 52px;
  color: var(--teal);
  margin-bottom: 1rem;
}

/* Reviews slider */
.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;
}

.reviews-slider {
  --reviews-gap: 1.15rem;
  --reviews-shot: clamp(210px, 24vw, 268px);
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  grid-template-areas:
    "prev viewport next"
    "dots dots dots";
  align-items: center;
  gap: 1.1rem 0.7rem;
}

.reviews-nav {
  width: 48px;
  height: 48px;
  border: 1.5px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--teal);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.reviews-nav svg {
  width: 22px;
  height: 22px;
}

.reviews-nav:hover:not(:disabled) {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  transform: translateY(-1px);
}

.reviews-nav:disabled {
  opacity: 0.35;
  cursor: default;
}

.reviews-nav-prev { grid-area: prev; }
.reviews-nav-next { grid-area: next; }

.reviews-viewport {
  grid-area: viewport;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  outline: none;
}

.reviews-viewport::-webkit-scrollbar {
  display: none;
}

.reviews-rail {
  display: flex;
  gap: var(--reviews-gap);
  padding: 1rem 0.65rem 1.15rem 0.1rem;
}

.review-shot {
  position: relative;
  flex: 0 0 var(--reviews-shot);
  margin: 0;
  padding: 0;
  border: 0;
  appearance: none;
  background: transparent;
  overflow: visible;
  cursor: zoom-in;
  scroll-snap-align: start;
  transition: transform 0.35s var(--ease);
}

.review-shot-media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 22px;
  box-shadow: 0 14px 36px rgba(18, 24, 22, 0.1);
  transition: box-shadow 0.35s var(--ease);
}

.review-shot img {
  width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
}

.review-reacts {
  position: absolute;
  left: 10px;
  bottom: 58px;
  display: flex;
  gap: 0.28rem;
  pointer-events: none;
}

.review-react {
  display: inline-flex;
  align-items: center;
  gap: 0.18rem;
  padding: 0.18rem 0.48rem 0.2rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 6px 16px rgba(18, 24, 22, 0.14);
  font-size: 0.82rem;
  line-height: 1;
  color: var(--ink);
  animation: reviewReact 2.8s var(--ease) infinite;
}

.review-react:nth-child(2) {
  animation-delay: 0.45s;
}

.review-sticker {
  position: absolute;
  top: -10px;
  right: -8px;
  z-index: 2;
  font-size: 1.85rem;
  line-height: 1;
  filter: drop-shadow(0 8px 12px rgba(18, 24, 22, 0.18));
  transform: rotate(12deg);
  pointer-events: none;
  animation: reviewSticker 3.2s var(--ease) infinite;
}

.review-shot-hint {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%) translateY(8px);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  background: rgba(18, 24, 22, 0.72);
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.review-shot:hover,
.review-shot:focus-visible {
  transform: translateY(-6px);
}

.review-shot:hover .review-shot-media,
.review-shot:focus-visible .review-shot-media {
  box-shadow: 0 22px 44px rgba(0, 72, 72, 0.16);
}

.review-shot:hover .review-shot-hint,
.review-shot:focus-visible .review-shot-hint {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.reviews-dots {
  grid-area: dots;
  display: flex;
  justify-content: center;
  gap: 0.45rem;
}

.reviews-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--line);
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.reviews-dot.is-active {
  background: var(--teal);
  transform: scale(1.25);
}

.review-lightbox {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: grid;
  place-items: center;
  padding: 1.25rem 4.5rem;
}

.review-lightbox[hidden] {
  display: none;
}

.review-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 22, 20, 0.78);
  backdrop-filter: blur(8px);
}

.review-lightbox-frame {
  position: relative;
  z-index: 1;
  margin: 0;
  max-height: 88vh;
}

.review-lightbox-media {
  position: relative;
  display: inline-block;
}

.review-lightbox-frame img {
  max-height: 82vh;
  max-width: min(92vw, 420px);
  width: auto;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.review-lightbox-reacts {
  position: absolute;
  left: 14px;
  bottom: 64px;
  display: flex;
  gap: 0.35rem;
  pointer-events: none;
}

.review-lightbox-reacts .review-react {
  font-size: 1.05rem;
  padding: 0.28rem 0.62rem 0.3rem;
}

.review-lightbox-sticker {
  position: absolute;
  top: -14px;
  right: -12px;
  font-size: 2.4rem;
  line-height: 1;
  transform: rotate(12deg);
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.28));
  pointer-events: none;
  animation: reviewSticker 3.2s var(--ease) infinite;
}

.review-lightbox-count {
  margin-top: 0.75rem;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.72);
}

.review-lightbox-close,
.review-lightbox-nav {
  position: absolute;
  z-index: 2;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.review-lightbox-close:hover,
.review-lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.22);
}

.review-lightbox-close svg,
.review-lightbox-nav svg {
  width: 22px;
  height: 22px;
}

.review-lightbox-close {
  top: 1.1rem;
  right: 1.1rem;
}

.review-lightbox-prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.review-lightbox-next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.review-lightbox-nav:hover {
  transform: translateY(-50%) scale(1.05);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.faq-item[open] {
  border-color: rgba(0, 91, 91, 0.35);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 3rem 1.1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  position: relative;
}

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

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 1.25rem;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.3s var(--ease);
}

.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.faq-body {
  padding: 0 1.25rem 1.2rem;
  color: var(--ink-soft);
}

.faq-body p {
  margin: 0;
}

/* Contacts + form */
.contacts {
  padding-bottom: 6rem;
}

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.contact-link:hover {
  border-color: var(--teal);
  transform: translateX(4px);
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--aqua-soft);
  color: var(--teal);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 18px;
  height: 18px;
}

.contact-link strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.muted,
.optional {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
}

.order-panel {
  background:
    linear-gradient(160deg, #fff 0%, #f2fafa 100%);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: var(--shadow);
}

.order-panel > p {
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
}

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

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}

.field input,
.field select {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  outline: none;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.field input:focus,
.field select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 168, 176, 0.18);
}

.field input.is-invalid,
.field select.is-invalid {
  border-color: #c0392b;
}

.form-actions {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.35rem;
}

.form-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.form-status {
  margin: 0;
  min-height: 1.25rem;
  font-size: 0.92rem;
  color: var(--teal);
}

/* Footer */
.site-footer {
  background: var(--teal-deep);
  color: rgba(255, 255, 255, 0.88);
  padding: 2.5rem 0;
}

.footer-inner {
  display: grid;
  gap: 1rem;
}

.footer-brand-row {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.footer-brand .logo-name {
  color: #fff;
  margin-right: 0;
}

.footer-brand .logo-sub {
  color: var(--aqua);
}

.footer-brand .logo-mark {
  color: #fff;
}

.footer-brand p {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-disclaimer {
  margin: 0;
  max-width: 720px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.62);
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Floating */
.float-actions {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: none;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.float-btn:hover {
  transform: translateY(-3px) scale(1.04);
}

.float-btn svg {
  width: 22px;
  height: 22px;
}

.float-call {
  background: var(--teal);
}

.float-tg {
  background: #229ed9;
}

.float-wa {
  background: #1faa59;
}

.float-top {
  background: var(--ink);
}

.float-top[hidden] {
  display: none;
}

/* Product order modal */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 0.75rem;
}

.product-modal[hidden] {
  display: none;
}

.product-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 28, 28, 0.55);
  backdrop-filter: blur(4px);
}

.product-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  height: min(88vh, 720px);
  max-height: 88vh;
  overflow: hidden;
  background: var(--white);
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0, 40, 40, 0.28);
  animation: modalIn 0.35s var(--ease);
  display: flex;
  flex-direction: column;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.product-modal-close {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--teal-deep);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.product-modal-close:hover {
  background: var(--aqua-soft);
  transform: scale(1.04);
}

.product-modal-close svg {
  width: 16px;
  height: 16px;
}

.product-modal-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  flex: 1;
  min-height: 0;
  height: 100%;
}

.product-modal-info,
.product-modal-form-wrap {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 91, 91, 0.28) transparent;
}

.product-modal-info::-webkit-scrollbar,
.product-modal-form-wrap::-webkit-scrollbar {
  width: 5px;
}

.product-modal-info::-webkit-scrollbar-thumb,
.product-modal-form-wrap::-webkit-scrollbar-thumb {
  background: rgba(0, 91, 91, 0.28);
  border-radius: 999px;
}

.product-modal-info::-webkit-scrollbar-track,
.product-modal-form-wrap::-webkit-scrollbar-track {
  background: transparent;
}

.product-modal-info {
  padding: 1.25rem 1.2rem 1.35rem;
  background:
    radial-gradient(circle at 30% 20%, rgba(0, 168, 176, 0.08), transparent 45%),
    linear-gradient(180deg, #f7fbfb, #eef5f5);
  border-right: 1px solid var(--line);
}

.product-modal-top {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 0.9rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.product-modal-media {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  aspect-ratio: 1 / 1;
  box-shadow: 0 8px 20px rgba(0, 72, 72, 0.08);
}

.product-modal-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-modal-badge {
  margin: 0 0 0.3rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.product-modal-info h3,
.product-modal-heading h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-deep);
  line-height: 1.15;
}

.product-modal-dose {
  margin: 0.25rem 0 0.35rem;
  font-weight: 600;
  color: var(--aqua);
  font-size: 0.95rem;
}

.product-modal-desc {
  margin: 0 0 0.55rem;
  color: var(--ink);
  font-weight: 500;
  font-size: 1.02rem;
  line-height: 1.5;
}

.product-modal-detail {
  margin: 0 0 0.7rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.5;
}

.product-modal-research {
  margin: 0;
  padding: 0.75rem 0.9rem;
  background: rgba(255, 255, 255, 0.72);
  border-left: 3px solid var(--teal);
  border-radius: 0 10px 10px 0;
}

.product-modal-research h4 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--teal-deep);
}

.product-modal-research ul {
  margin: 0;
  padding: 0 0 0 1.05rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.45;
}

.product-modal-research li::marker {
  color: var(--aqua);
}

.product-modal-price {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink);
}

.product-modal-form-wrap {
  padding: 1.35rem 1.35rem 1.2rem;
}

.product-modal-form-wrap > h3 {
  margin: 0 0 0.3rem;
  padding-right: 2rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--teal-deep);
}

.product-modal-form-wrap > p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.product-modal-form-wrap .order-form {
  gap: 0.75rem;
}

.product-modal-form-wrap .field input {
  min-height: 44px;
}

.product-modal-form-wrap .btn {
  min-height: 44px;
}

.product-modal-form-wrap .form-actions {
  gap: 0.5rem;
  margin-top: 0.15rem;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 820px) {
  .product-modal-dialog {
    height: auto;
    max-height: 92vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 91, 91, 0.28) transparent;
  }

  .product-modal-grid {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  .product-modal-info,
  .product-modal-form-wrap {
    overflow: visible;
    height: auto;
    min-height: 0;
    flex: none;
  }

  .product-modal-info {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-modal-top {
    grid-template-columns: 96px 1fr;
    gap: 0.75rem;
  }

  .product-modal-form-wrap {
    padding-top: 1.15rem;
  }
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* Motion */
@keyframes glowDrift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate3d(18px, -14px, 0) scale(1.08); opacity: 0.7; }
}

@keyframes moleculeFloat {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -14px, 0); }
}

@keyframes dnaFloat {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, 12px, 0); }
}

@keyframes floatVisual {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes reviewReact {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes reviewSticker {
  0%, 100% { transform: rotate(12deg) translateY(0); }
  50% { transform: rotate(8deg) translateY(-5px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-glow,
  .hero-scene,
  .hero-logo-mark,
  .scroll-line { animation: none; }
  .reviews-viewport { scroll-behavior: auto; }
  .review-shot { transition: none; }
  .review-react,
  .review-sticker,
  .review-lightbox-sticker { animation: none; }
}

/* Responsive */
@media (max-width: 980px) {
  .why-us,
  .contacts-grid {
    grid-template-columns: 1fr;
  }

  .hero-molecule {
    width: min(420px, 56vw);
    height: min(480px, 62vh);
    left: -10%;
    opacity: 0.36;
  }

  .hero-dna {
    width: min(260px, 36vw);
    height: min(600px, 78vh);
    right: -8%;
    opacity: 0.34;
  }

  .about-grid,
  .adv-grid,
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reviews-slider {
    --reviews-shot: min(240px, 42vw);
  }
}

@media (max-width: 760px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(247, 250, 249, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.25rem;
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
  }

  .nav.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn-sm {
    display: none;
  }

  .lang-switch {
    margin-right: 0.15rem;
  }

  .about-grid,
  .adv-grid,
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .reviews-slider {
    --reviews-shot: min(78vw, 320px);
    grid-template-columns: 1fr;
    grid-template-areas:
      "viewport"
      "dots";
  }

  .reviews-nav {
    position: absolute;
    top: calc(50% - 28px);
    z-index: 2;
    grid-area: unset;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 8px 20px rgba(18, 24, 22, 0.12);
  }

  .reviews-nav-prev { left: 0; }
  .reviews-nav-next { right: 0; }

  .review-lightbox {
    padding: 4.5rem 0.75rem 1.25rem;
  }

  .review-lightbox-prev { left: 0.35rem; }
  .review-lightbox-next { right: 0.35rem; }

  .hero {
    padding-top: 2rem;
    padding-bottom: 3.5rem;
    min-height: calc(100svh - var(--header-h));
  }

  .hero-molecule {
    width: min(360px, 70vw);
    height: min(400px, 52vh);
    left: -18%;
    bottom: 0;
    opacity: 0.28;
  }

  .hero-dna {
    width: min(220px, 48vw);
    height: min(520px, 70vh);
    right: -16%;
    top: 4%;
    opacity: 0.26;
  }

  .hero-scroll {
    display: none;
  }

  .section {
    padding: 4rem 0;
  }

  .why-us {
    padding: 1.25rem;
  }

  .float-actions {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}