/* ==========================================================================
   VIFERON · Uzbekistan — official product site
   Layout is built mobile-first-tolerant: fluid type/spacing tokens, CSS grid,
   no layout JS. Breakpoints: 1280 (tighten) · 1100 (stack hero, burger nav) · 700 (phone).
   ========================================================================== */

/* ---------- 1. Fonts (Helvetica Neue, subset: Latin + Cyrillic, woff2) ---------- */
@font-face { font-family: "Helvetica Neue Web"; font-weight: 300; font-style: normal; font-display: swap; src: url("../fonts/HelveticaNeueLight.woff2") format("woff2"); }
@font-face { font-family: "Helvetica Neue Web"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/HelveticaNeueRoman.woff2") format("woff2"); }
@font-face { font-family: "Helvetica Neue Web"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/HelveticaNeueMedium.woff2") format("woff2"); }
@font-face { font-family: "Helvetica Neue Web"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/HelveticaNeueBold.woff2") format("woff2"); }

/* ---------- 2. Design tokens ---------- */
:root {
  --blue: #5276b7;
  --blue-soft: #e5edf9;
  --ink: #111;
  --grey: #b2b3b4;
  --yellow: #fff000;
  --yellow-text: #a68f00;       /* readable variant of the brand yellow for text on light bg */
  --orange: #ed6f27;
  --card: rgb(255 255 255 / .55);
  --shadow: 8px 8px 32px rgb(5 79 190 / .25);

  --font: "Helvetica Neue Web", "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* 1vw capped at the 1920px design width */
  --vw: min(1vw, 19.2px);
  --gutter: clamp(20px, 12vw - 40px, 192px);
  --content: min(100% - 2 * var(--gutter), 1536px);

  /* fluid type: min at 390px → design size at 1920px */
  --fs-h2: clamp(30px, 21.3px + 2.22vw, 64px);
  --fs-hero: clamp(34px, 28.4px + 1.4vw, 54px);
  --fs-name: clamp(26px, 20.4px + 1.44vw, 48px);
  --fs-30: clamp(19px, 16.2px + .72vw, 30px);
  --fs-xl: clamp(22px, 19.5px + .65vw, 32px);
  --fs-lg: clamp(20px, 18px + .52vw, 28px);
  --fs-md: clamp(17px, 15.2px + .46vw, 24px);
  --fs-sm: clamp(15px, 13.7px + .33vw, 20px);
  --fs-conv: clamp(16px, 11px + .6vw, 22px);   /* body copy of the "why suppositories" block */

  --radius: 12px;
  --section-gap: clamp(72px, 12.5vw, 240px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- 3. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  font: 400 var(--fs-md)/1.3 var(--font);
  color: var(--ink);
  background: #fff url("../img/bg.webp") top center / 100% 100% no-repeat;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4, p, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
sup { font-size: .7em; line-height: 0; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 12px; top: -80px; z-index: 200; padding: 10px 16px;
  background: var(--blue); color: #fff; border-radius: 8px; text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* ---------- 4. Shared blocks ---------- */
main > section { margin-inline: auto; }
.section { width: var(--content); margin-bottom: var(--section-gap); }
.section__title {
  margin-bottom: clamp(32px, 4.4vw - 6px, 96px);
  font-size: var(--fs-h2); font-weight: 700; line-height: 1.1; text-align: center; text-wrap: balance;
}
.card {
  width: var(--content);
  margin-bottom: var(--section-gap);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

/* round prev/next buttons (hero, instruction) */
.arrow {
  --size: var(--arrow, 72px);
  position: relative; flex: none;
  width: var(--size); height: var(--size); border-radius: 50%;
  background: var(--blue-soft); color: var(--blue);
  transition: background-color .2s, color .2s, opacity .2s;
}
.arrow::before {
  content: ""; position: absolute; inset: 0; background: currentColor;
  -webkit-mask: var(--chevron) center / 48% no-repeat; mask: var(--chevron) center / 48% no-repeat;
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8.5 3.5 17 12l-8.5 8.5' fill='none' stroke='%23000' stroke-width='2.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.arrow--prev::before { transform: scaleX(-1); }
.arrow:hover:not(:disabled) { background: #d6e3f6; }
.arrow:disabled { color: #bcc3cf; background: rgb(229 237 249 / .55); cursor: default; }

/* generic fading slider (hero + instructions); all slides share one grid cell so height never jumps */
.slides { display: grid; overflow-x: clip; }
.slide { grid-area: 1 / 1; min-width: 0; }
.js .slide {
  opacity: 0; visibility: hidden; transform: translateX(var(--shift, 28px));
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility 0s .35s;
}
.js .slide[data-pos="before"] { --shift: -28px; }
.js .slide[data-pos="active"] { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
html:not(.js) .slides { gap: 48px; }
html:not(.js) .slide { grid-area: auto; }
html:not(.js) .arrow, html:not(.js) .product-tabs { display: none; }

/* ---------- 5. Header ---------- */
.site-header {
  position: relative; z-index: 20;
  width: var(--content); margin: clamp(20px, 3.44vw, 66px) auto 0;
}
.site-header__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.site-header__logo { display: block; width: clamp(160px, 16.4vw, 315px); }
.site-header__logo img { width: 100%; height: auto; }

.lang {
  display: flex; align-items: center; justify-content: space-between; gap: 5px;
  width: 58px; height: 28px; padding: 0 5px 0 0; border-radius: 28px;
  background: var(--grey); color: #fff; font-size: 16px; font-weight: 500;
  transition: background-color .2s;
}
.lang:hover { background: #9b9c9d; }
.lang__flag { width: 28px; height: 28px; border-radius: 50%; background: url("../img/flag-uz.svg") center / cover; }
.lang[data-lang="uz"] { flex-direction: row-reverse; padding: 0 0 0 5px; }
.lang[data-lang="uz"] .lang__flag { background-image: url("../img/flag-ru.svg"); }

.burger { display: none; }

.site-nav { margin-top: clamp(12px, 1.7vw, 32px); }
.site-nav__list { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 2px; }
.site-nav a {
  display: block; padding: .46em .62em; border-radius: 999px;
  font-size: clamp(12px, 1.24vw, 24px); font-weight: 500; line-height: 1.2; letter-spacing: -.03em;
  text-transform: uppercase; text-decoration: none; color: var(--blue); white-space: nowrap;
  transition: background-color .2s, color .2s;
}
.site-nav a:hover, .site-nav a.is-current { background: var(--blue); color: #fff; }

html[lang="uz"] .site-nav a { font-size: clamp(12px, .95vw, 18px); }

/* ---------- 6. Hero ---------- */
.hero {
  --slider-w: calc(var(--vw) * 37.9);
  --arrow: calc(var(--vw) * 3.75);
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr) var(--slider-w); align-items: start;
  width: var(--content); margin: calc(var(--vw) * 5.2) auto calc(var(--vw) * 6.5);
}
.hero__art {
  width: calc(var(--vw) * 49.7); max-width: none; height: auto; aspect-ratio: 954 / 786;
  margin-left: calc(var(--vw) * 5.6 - var(--gutter));
  margin-top: calc(var(--vw) * .15);
}
.hero__slider { grid-column: 2; display: flex; align-items: center; gap: calc(var(--vw) * 1.67); }
.hero__stage { flex: 1; min-width: 0; }

.product { padding-inline: calc(var(--vw) * 1.25); }
.product__media { display: flex; align-items: flex-end; width: min(100%, 472px); aspect-ratio: 472 / 237; margin-bottom: calc(var(--vw) * 1.1); }
.product__img { width: 100%; height: auto; }
.product__title {
  margin-bottom: calc(var(--vw) * 1.1);
  font-size: max(24px, calc(var(--vw) * 2.8)); font-weight: 500; line-height: 1.05; white-space: nowrap;
}
.product__title b { font-weight: 700; }
.product__title sup { font-size: .5em; vertical-align: top; position: relative; top: .5em; margin-left: .04em; }
.product__subtitle { margin-bottom: calc(var(--vw) * 1.15); font-size: max(16px, calc(var(--vw) * 1.46)); font-weight: 500; line-height: 1.2; }
.dot-list { display: grid; gap: calc(var(--vw) * .65); }
.dot-list li { position: relative; padding-left: calc(var(--vw) * 1.8); font-size: max(14px, calc(var(--vw) * 1.04)); line-height: 1.3; }
.dot-list li::before {
  content: ""; position: absolute; left: 0; top: 50%; translate: 0 -50%;
  width: calc(var(--vw) * 1.25); min-width: 14px; aspect-ratio: 1; border-radius: 50%; background: var(--blue);
}

.product-tabs {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin: calc(var(--vw) * 1.6) calc(var(--vw) * 1.25) 0;
}
.product-tab {
  --d: calc(var(--vw) * 5); --c: var(--blue);
  display: flex; flex-direction: column; align-items: flex-end; gap: calc(var(--vw) * 1.1);
  color: var(--c); text-align: center;
}
.product-tab--gel { --c: var(--yellow); }
.product-tab--ointment { --c: var(--orange); }
.product-tab[aria-selected="true"] { --d: calc(var(--vw) * 6.67); }
.product-tab__disc {
  display: flex; justify-content: flex-end; width: var(--d); height: var(--d);
  border-radius: 50%; background: var(--c); transition: width .25s var(--ease), height .25s var(--ease);
}
.product-tab__disc img { flex: none; width: auto; max-width: none; height: 100%; }
.product-tab__label {
  align-self: center; padding-bottom: 5px; border-bottom: 3px solid transparent;
  font-size: max(15px, calc(var(--vw) * 1.46)); font-weight: 500; line-height: 1.1;
}
.product-tab--gel .product-tab__label { color: var(--yellow-text); }
.product-tab[aria-selected="true"] .product-tab__label { border-bottom-color: currentColor; }
.product-tab:not([aria-selected="true"]):hover { transform: translateY(-3px); }
.product-tab { transition: transform .2s; }

/* ---------- 7. Mode of action ---------- */
.effect { width: min(1280px, var(--content)); margin-bottom: clamp(40px, 3vw, 56px); }
.effect .section__title { margin-bottom: clamp(12px, 1.4vw, 28px); }
.effect__grid {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr));
  row-gap: clamp(24px, 2.2vw, 42px); align-items: start;
}
.effect__text { font-size: var(--fs-xl); line-height: 1.2; }
.effect__text b { font-weight: 700; }
.effect__icon, .effect__arrow { height: auto; }

.effect__icon--shield { grid-column: 1 / 3; grid-row: 1; width: 100%; max-width: 198px; }
.effect__text--1 { grid-column: 3 / 10; grid-row: 1; padding: 1.5% 12% 0 11%; }
.effect__arrow { grid-column: 9 / 12; grid-row: 1; justify-self: center; width: 100%; max-width: 220px; margin: 3% 0 0 8%; }
.effect__text--2 { grid-column: 1 / 8; grid-row: 2; align-self: center; padding-right: 8%; }
.effect__icon--virus { grid-column: 9 / 12; grid-row: 2; justify-self: center; width: 100%; max-width: 200px; margin: -11% 0 0 6%; }
.effect__icon--shield-virus { grid-column: 1 / 3; grid-row: 3; width: 100%; max-width: 239px; margin-left: -4%; align-self: center; }
.effect__text--3 { grid-column: 3 / 13; grid-row: 3; align-self: center; padding-left: 4%; }
.effect__text--4 { grid-column: 1 / 8; grid-row: 4; align-self: center; padding-right: 3%; }
.effect__icon--hands { grid-column: 10 / 12; grid-row: 4; justify-self: center; width: 100%; max-width: 228px; align-self: center; margin-left: 12%; }
.effect__text--3 > p + p { margin-top: 1.5rem; }
.effect__note {
  padding-top: 1.1em; border-top: 1px solid var(--grey);
  font-size: var(--fs-sm); line-height: 1.35; color: var(--grey);
}
.effect__swoosh { width: 68%; margin: clamp(40px, 6.5vw, 112px) auto 0; }

/* ---------- 8. Benefits ---------- */
.benefits { padding: clamp(40px, 4.2vw, 80px) clamp(20px, 11.7vw, 224px) clamp(56px, 8.3vw, 160px); }
.benefits__list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(48px, 7vw, 128px) clamp(40px, 6.7vw, 128px);
}
.benefit__img { width: clamp(120px, 11.5vw, 221px); margin: 0 auto clamp(20px, 2.5vw, 48px); filter: drop-shadow(8px 8px 24px rgb(5 79 190 / .25)); }
.benefit__title {
  margin-bottom: .45em; font-size: var(--fs-name); font-weight: 700; line-height: 1.05; letter-spacing: -.01em; color: var(--blue);
}
.benefit__text { font-size: var(--fs-30); line-height: 1.2; letter-spacing: .01em; }

/* ---------- 9. Instructions ---------- */
.instruction {
  --arrow: clamp(44px, 6.67vw, 128px);
  --gap: clamp(12px, 2.5vw, 48px);
  padding: clamp(48px, 6.67vw, 128px) clamp(16px, 7.9vw, 152px) clamp(56px, 8.6vw, 165px);
}
.instruction .section__title { padding-left: calc(var(--arrow) + var(--gap)); font-size: calc(var(--fs-h2) * .94); text-align: left; margin-bottom: clamp(24px, 3.3vw, 64px); }
.instruction__slider { display: flex; align-items: center; gap: var(--gap); }
.instruction__slider .slides { flex: 1; min-width: 0; }
.instr { display: flex; flex-direction: column; align-items: stretch; }
.instr__name { margin-bottom: clamp(14px, 1.4vw, 28px); font-size: var(--fs-name); font-weight: 700; line-height: 1.1; }
.instr__name sup { font-size: .5em; vertical-align: top; position: relative; top: .5em; margin-left: .04em; }
.instr__img { width: min(100%, 560px); margin: 0 auto clamp(20px, 2.4vw, 46px); }
.instr__lead { margin-bottom: clamp(14px, 1.3vw, 26px); font-size: var(--fs-lg); font-weight: 700; line-height: 1.2; }
.icon-list { display: grid; gap: clamp(12px, 1.05vw, 20px); margin-bottom: clamp(18px, 1.5vw, 30px); padding-right: 16%; }
.icon-list__item {
  position: relative; min-height: 46px; padding-left: clamp(46px, 3.65vw, 70px);
  font-size: var(--fs-md); line-height: 1.22; display: flex; align-items: center;
}
.icon-list__item::before {
  content: ""; position: absolute; left: 0; top: 50%; translate: 0 -50%;
  width: clamp(34px, 2.4vw, 46px); aspect-ratio: 1; background: var(--icon) center / contain no-repeat;
}
.icon-list__item--1 { --icon: url("../img/bullet-1.webp"); }
.icon-list__item--2 { --icon: url("../img/bullet-2.webp"); }
.icon-list__item--3 { --icon: url("../img/bullet-3.webp"); }
.icon-list__item--4 { --icon: url("../img/bullet-4.webp"); }
@media (min-resolution: 1.5dppx) {
  .icon-list__item--1 { --icon: url("../img/bullet-1.webp"); }
  .icon-list__item--2 { --icon: url("../img/bullet-2.webp"); }
  .icon-list__item--3 { --icon: url("../img/bullet-3.webp"); }
  .icon-list__item--4 { --icon: url("../img/bullet-4.webp"); }
}
.instr__usage { margin-bottom: clamp(20px, 1.5vw, 30px); font-size: var(--fs-md); line-height: 1.3; }
.instr__usage b { font-weight: 700; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 1em; align-self: center;
  padding: .72em 1.5em; border-radius: 999px; background: var(--blue); color: #fff;
  font-size: var(--fs-md); font-weight: 500; line-height: 1.2; text-decoration: none; transition: background-color .2s, transform .2s;
}
.btn:hover { background: #3f61a0; transform: translateY(-2px); }
.btn--pdf::after { content: ""; width: 1.2em; height: 1.65em; background: url("../img/icon-pdf.svg") center / contain no-repeat; }

/* ---------- 10. Why suppositories ---------- */
.convenience { padding: clamp(32px, 3.6vw, 70px) clamp(20px, 5vw, 96px) clamp(40px, 4.2vw, 80px); }
.convenience .section__title { margin-bottom: 0; }
.convenience p { font-size: var(--fs-conv); line-height: 1.25; }
.convenience .lead-text b { font-size: calc(var(--fs-conv) * 1.1); }
.convenience b { font-weight: 700; }
.convenience sup { font-size: .55em; }
.convenience__figure { position: relative; width: 86%; margin: clamp(16px, 2.4vw, 46px) auto clamp(24px, 2vw, 40px); padding-top: 18%; }
.convenience__pack { width: 100%; }
.convenience__boy { position: absolute; top: 0; left: 58.7%; width: 31.8%; }
.lead-text { margin-bottom: clamp(32px, 3.3vw, 64px); }

.convenience__benefits { display: grid; grid-template-columns: 47% minmax(0, 1fr); align-items: center; margin-bottom: clamp(40px, 3.3vw, 64px); }
.convenience__hero { width: 82%; max-width: 510px; justify-self: start; margin: 18% 0 0 6%; }
.pill-list { display: grid; gap: clamp(24px, 2.4vw, 46px); }
.pill {
  display: inline-block; margin-bottom: clamp(12px, 1.25vw, 24px); padding: .55em 1em; border-radius: 999px;
  background: var(--blue); color: #fff; font-size: clamp(13px, .5vw + 9.4px, 19px); font-weight: 700; line-height: 1.15; text-transform: uppercase; white-space: nowrap;
}
.subhead { margin-bottom: clamp(14px, 1.25vw, 24px); font-size: var(--fs-xl); font-weight: 700; line-height: 1.15; text-transform: uppercase; }
.subhead--center { text-align: center; }

.steps { margin: 0 clamp(0px, 7vw, 135px) clamp(32px, 3.3vw, 64px); }
.steps__list { display: grid; gap: clamp(16px, 1.5vw, 28px); }
.step { display: flex; align-items: center; gap: clamp(14px, 1.25vw, 24px); }
.step__img { flex: none; width: clamp(56px, 4.7vw, 90px); height: auto; }
.step__title { margin-bottom: .2em; font-size: var(--fs-xl); font-weight: 700; line-height: 1.1; color: var(--blue); text-transform: uppercase; }
.step p { max-width: 36em; font-size: var(--fs-conv); line-height: 1.2; }

.video { width: min(100%, 1280px); margin-inline: auto; }
.video p { margin-bottom: clamp(16px, 1.7vw, 32px); font-size: var(--fs-conv); line-height: 1.33; }
.video__frame, .video__player {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; margin-bottom: clamp(24px, 3.3vw, 64px);
  border: 4px solid var(--blue); border-radius: clamp(14px, 1.7vw, 32px); overflow: hidden; background: #000;
}
.video__poster { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.video__frame:hover .video__poster { transform: scale(1.03); }
.video__play {
  position: absolute; left: 50%; top: 50%; translate: -50% -50%;
  width: clamp(56px, 7vw, 120px); aspect-ratio: 1; border-radius: 50%;
  background: rgb(82 118 183 / .92); box-shadow: 0 8px 30px rgb(5 79 190 / .4); transition: transform .25s var(--ease), background-color .2s;
}
.video__play::before {
  content: ""; position: absolute; inset: 0; background: #fff;
  clip-path: polygon(38% 28%, 38% 72%, 74% 50%);
}
.video__frame:hover .video__play { transform: scale(1.1); background: var(--blue); }
.video__player { border-color: var(--blue); }
.footnote {
  margin: clamp(32px, 3.3vw, 64px) 0 0; padding-top: clamp(20px, 2.5vw, 48px); border-top: 1px solid var(--grey);
  font-size: var(--fs-sm) !important; color: var(--grey);
}

/* ---------- 11. Reviews ---------- */
.feedback__list {
  display: grid; grid-template-columns: 48fr 49fr 49fr; gap: clamp(16px, 2vw, 38px); align-items: stretch;
}
.review {
  display: flex; flex-direction: column; overflow: hidden;
  border-radius: var(--radius); background: #fff; box-shadow: var(--shadow);
}
.review--flip { flex-direction: column-reverse; }
.review__img { width: 100%; height: auto; }
.review__body { padding: clamp(18px, 1.9vw, 36px); }
.review--flip .review__body { padding-top: clamp(28px, 3.1vw, 60px); }
.review__title { margin-bottom: .5em; font-size: clamp(22px, 14px + 1.4vw, 40px); font-weight: 700; line-height: 1.12; color: var(--blue); }
.review__body p { font-size: var(--fs-md); line-height: 1.2; text-align: left; }
.review--flip .review__img { margin-top: auto; }

/* ---------- 12. Where to buy ---------- */
.where {
  width: 100%; margin-bottom: 0;
  padding: clamp(56px, 6.67vw, 128px) var(--gutter) clamp(56px, 6.5vw, 124px);
  background: linear-gradient(90deg, rgb(153 212 246 / .05) 0%, rgb(153 212 246 / .35) 55%, rgb(246 153 153 / 0) 100%);
}
.where__cols { display: flex; justify-content: center; gap: clamp(32px, 8vw, 153px); width: min(100%, 1100px); margin-inline: auto; }
.where__title { margin-bottom: clamp(20px, 3vw, 56px); font-size: var(--fs-lg); font-weight: 500; line-height: 1.2; }
.where__col--net { flex: none; width: min(100%, 546px); }
.where__grand { width: min(100%, 338px); margin: 0 auto clamp(16px, 1.6vw, 30px); }
.logo-grid { display: grid; grid-template-columns: repeat(3, 1fr); justify-items: center; align-items: center; gap: clamp(16px, 1.4vw, 28px) 0; width: min(100%, 546px); }
.logo-grid li { display: grid; place-items: center; width: clamp(64px, 4.7vw, 90px); height: clamp(64px, 4.7vw, 90px); }
.logo-grid img { width: 100%; height: auto; max-height: 100%; border-radius: 50%; object-fit: contain; }
.logo-grid .is-plain img { border-radius: 0; }
.where__col--online { flex: none; width: min(100%, 384px); }
.shop-list { display: grid; gap: clamp(12px, 1.25vw, 24px); }
.shop {
  display: grid; place-items: center; height: clamp(68px, 5.6vw, 108px); padding: 12px;
  background: #fff; border-radius: 4px; box-shadow: 0 2px 10px rgb(5 79 190 / .08); transition: transform .2s, box-shadow .2s;
}
.shop:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgb(5 79 190 / .2); }
.shop img { width: auto; max-width: 70%; height: auto; max-height: 52%; }
.shop img[alt="Oxymed"] { max-height: 56%; }

/* ---------- 13. Footer ---------- */
.site-footer { padding: clamp(40px, 6.25vw, 120px) var(--gutter) 0; background: var(--blue); color: #fff; }
.site-footer > * { width: min(100%, 1536px); margin-inline: auto; }
.safety__head { display: flex; align-items: center; flex-wrap: wrap; gap: clamp(12px, 1.7vw, 32px); margin-bottom: clamp(24px, 2.5vw, 48px); }
.safety__head img { width: clamp(44px, 3.3vw, 64px); height: auto; }
.safety__title { margin-right: clamp(0px, 1vw, 20px); font-size: var(--fs-h2); font-weight: 700; line-height: 1.1; }
.safety__cols { display: flex; gap: clamp(24px, 3vw, 56px); padding-bottom: clamp(32px, 4.2vw, 80px); border-bottom: 1px solid #fff; }
.safety__col { flex: 45; min-width: 0; }
.safety__col--wide { flex: 55; }
.safety__col p { margin-bottom: clamp(14px, 1.5vw, 29px); font-size: var(--fs-md); line-height: 1.3; }
.safety__medals { display: flex; gap: 12px; margin-top: clamp(16px, 2vw, 36px); }
.safety__medals img { width: clamp(64px, 5vw, 96px); height: auto; }

.footer__nav { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; padding: clamp(32px, 4.2vw, 80px) 0 clamp(24px, 2.1vw, 40px); }
.footer__links { display: grid; grid-auto-flow: column; grid-template-rows: repeat(4, auto); gap: clamp(14px, 1vw, 20px) clamp(40px, 4.3vw, 82px); }
.footer__links a { font-size: var(--fs-md); font-weight: 500; line-height: 1.2; letter-spacing: -.03em; text-transform: uppercase; text-decoration: none; }
.footer__links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer__logo { width: clamp(180px, 22vw, 421px); height: auto; filter: brightness(0) invert(1); }
.footer__about { display: flex; gap: clamp(24px, 3.7vw, 72px); margin-bottom: clamp(32px, 4.2vw, 80px); }
.footer__about p { flex: 1; min-width: 0; font-size: var(--fs-md); font-weight: 300; line-height: 1.22; text-transform: uppercase; }
.footer__about p:first-child { flex: 0 1 435px; }
.footer__about a { text-decoration: none; }
.footer__copyright {
  padding-bottom: clamp(28px, 4.2vw, 80px); border-bottom: 1px solid #fff;
  font-size: var(--fs-md); font-weight: 500; line-height: 1.3; text-align: center; text-transform: uppercase;
}
.footer__warning {
  padding: clamp(32px, 4.2vw, 80px) 0 clamp(40px, 6.25vw, 120px);
  font-size: clamp(19px, 12px + 2.8vw, 66px); font-weight: 500; line-height: 1.15; text-align: center; text-transform: uppercase; text-wrap: balance;
}

/* ---------- 14. Back to top ---------- */
.to-top {
  position: fixed; right: clamp(12px, 1.3vw, 24px); bottom: clamp(12px, 1.3vw, 24px); z-index: 50;
  width: clamp(48px, 4vw, 72px); aspect-ratio: 1; border-radius: 50%;
  background: var(--blue); box-shadow: 0 6px 20px rgb(5 79 190 / .35);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s, visibility .25s, transform .25s, background-color .2s;
}
.to-top::before {
  content: ""; position: absolute; inset: 0; background: #fff;
  -webkit-mask: var(--up) center / 46% no-repeat; mask: var(--up) center / 46% no-repeat;
  --up: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3.5 15.5 12 7l8.5 8.5' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.to-top.is-visible { opacity: .9; visibility: visible; transform: none; }
.to-top:hover { background: #3f61a0; opacity: 1; }

/* ==========================================================================
   Responsive
   ========================================================================== */

/* ≤ 1100: tablet & phone — stacked hero, burger menu, swipe carousels */
@media (max-width: 1100px) {
  html { scroll-padding-top: 76px; }
  body { background-image: none; background-color: #fff; }
  body::before {
    content: ""; position: fixed; inset: 0; z-index: -1;
    background:
      radial-gradient(60% 38% at 100% 4%, rgb(153 212 246 / .55), transparent 70%),
      radial-gradient(70% 30% at 0% 52%, rgb(153 212 246 / .38), transparent 70%),
      radial-gradient(60% 30% at 100% 92%, rgb(153 212 246 / .45), transparent 70%);
  }

  .site-header { position: sticky; top: 0; width: 100%; margin: 0; padding: 12px var(--gutter); background: rgb(255 255 255 / .92); backdrop-filter: blur(8px); }
  .site-header__logo { width: clamp(150px, 38vw, 230px); }
  .site-header__bar { gap: 14px; }
  .lang { margin-left: auto; }
  .burger {
    display: grid; place-content: center; gap: 6px; width: 44px; height: 44px; margin-right: -8px; border-radius: 50%;
  }
  .burger__line { display: block; width: 26px; height: 3px; border-radius: 2px; background: var(--blue); transition: transform .25s var(--ease), opacity .2s; }
  .burger[aria-expanded="true"] .burger__line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
  .burger[aria-expanded="true"] .burger__line:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] .burger__line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

  .site-nav {
    position: absolute; top: 100%; right: var(--gutter); margin: 4px 0 0; min-width: 260px;
    padding: 12px; border-radius: 16px; background: #fff; box-shadow: 0 16px 40px rgb(5 79 190 / .25);
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility .2s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .site-nav a { font-size: 16px; padding: 12px 16px; white-space: normal; }

  .hero { --arrow: 44px; grid-template-columns: 1fr; width: 100%; margin: 8px 0 var(--section-gap); }
  .hero__art { width: min(100%, 720px); margin: 0 auto; }
  .hero__slider { grid-column: 1; position: relative; gap: 8px; width: var(--content); margin: -2% auto 0; }
  .hero__slider .arrow { position: absolute; top: clamp(48px, 13vw, 110px); z-index: 2; background: rgb(255 255 255 / .85); box-shadow: 0 4px 14px rgb(5 79 190 / .18); }
  .hero__slider .arrow--prev { left: -4px; }
  .hero__slider .arrow--next { right: -4px; }
  .product { padding-inline: 0; }
  .product__media { margin-inline: auto; width: min(78%, 420px); }
  .product__title { margin-bottom: 14px; white-space: normal; text-align: center; font-size: clamp(26px, 6.6vw, 48px); }
  .product__subtitle { margin-bottom: 18px; text-align: center; font-size: clamp(19px, 3.6vw, 24px); }
  .dot-list { gap: 12px; max-width: 520px; margin-inline: auto; }
  .dot-list li { padding-left: 28px; font-size: clamp(16px, 2.6vw, 19px); }
  .dot-list li::before { width: 14px; }
  .product-tabs { --scale: 1; max-width: 460px; margin: 24px auto 0; }
  .product-tab { --d: 76px; gap: 10px; }
  .product-tab[aria-selected="true"] { --d: 100px; }
  .product-tab__label { font-size: 20px; }

  .effect__grid { display: flex; flex-direction: column; gap: 20px; position: relative; }
  .effect__text { font-size: var(--fs-md); }
  .effect__text--1, .effect__text--2, .effect__text--3, .effect__text--4 { padding: 0; }
  .effect__icon, .effect__arrow { align-self: flex-end; margin: 0 !important; }
  .effect__icon--shield { max-width: 96px !important; order: -1; align-self: flex-start; margin-bottom: -4px !important; }
  .effect__arrow { display: none; }
  .effect__icon--virus { max-width: 110px !important; order: 3; }
  .effect__icon--shield-virus { max-width: 110px !important; align-self: flex-start; }
  .effect__text--1 { order: 0; } .effect__text--2 { order: 2; } .effect__text--3 { order: 5; } .effect__text--4 { order: 7; }
  .effect__icon--shield-virus { order: 4; }
  .effect__icon--hands { max-width: 110px !important; order: 8; }
  .effect__note { font-size: 13px; }
  .effect__swoosh { width: 100%; margin-top: 28px; }

  .benefits { padding: 28px 0 32px; background: none; box-shadow: none; }
  .benefits .section__title { padding-inline: var(--gutter); }
  .benefits__list, .feedback__list {
    display: flex; gap: 16px; padding: 4px var(--gutter) 28px; margin: 0;
    overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: var(--gutter); scrollbar-width: none;
  }
  .benefits__list::-webkit-scrollbar, .feedback__list::-webkit-scrollbar { display: none; }
  .benefit, .review { flex: 0 0 min(84%, 440px); scroll-snap-align: start; }
  .benefit { padding: 24px 20px 28px; border-radius: 16px; background: var(--card); box-shadow: var(--shadow); }
  .benefit__img { width: clamp(120px, 28vw, 170px); }
  .benefit__title { font-size: clamp(22px, 5.6vw, 30px); }
  .benefit__text { font-size: clamp(16px, 2.6vw, 19px); }
  .feedback { width: 100%; }
  .feedback .section__title { padding-inline: var(--gutter); }
  .review--flip { flex-direction: column; }
  .review--flip .review__body { padding-top: clamp(18px, 1.9vw, 36px); }
  .review__body p { font-size: clamp(16px, 2.6vw, 19px); line-height: 1.25; }

  .instruction { --arrow: 44px; --gap: 8px; width: 100%; padding: 8px var(--gutter) 28px; border-radius: 0; background: none; box-shadow: none; }
  .instruction .section__title { padding-left: 0; text-align: center; }
  .instruction__slider { display: block; position: relative; }
  .instruction__slider .arrow { position: absolute; top: clamp(70px, 24vw, 150px); z-index: 2; background: rgb(255 255 255 / .85); box-shadow: 0 4px 14px rgb(5 79 190 / .18); }
  .instruction__slider .arrow--prev { left: -8px; }
  .instruction__slider .arrow--next { right: -8px; }
  .instr { padding-inline: 4px; }
  .instr__name { text-align: center; font-size: clamp(26px, 6.4vw, 38px); }
  .instr__lead { text-align: center; font-size: clamp(19px, 3.8vw, 24px); }
  .icon-list__item { padding-left: 52px; font-size: clamp(16px, 2.6vw, 19px); }
  .instr__usage { font-size: clamp(16px, 2.6vw, 19px); text-align: center; }

  .convenience { width: 100%; padding: 8px var(--gutter) 24px; border-radius: 0; background: none; box-shadow: none; }
  .convenience p { font-size: clamp(16px, 2.6vw, 19px); line-height: 1.3; }
  .convenience__figure { width: 100%; }
  .convenience__benefits { display: flex; flex-direction: column; align-items: stretch; padding: 0; gap: 24px; }
  .convenience__hero { width: min(64%, 300px); margin: 0; align-self: center; }
  .pill { font-size: clamp(14px, 3.4vw, 18px); border-radius: 20px; padding: .7em 1em; white-space: normal; }
  .subhead { font-size: clamp(20px, 3.6vw, 26px); text-transform: none; }
  .steps { margin-inline: 0; }
  .step { align-items: flex-start; }
  .step p, .video p { font-size: clamp(16px, 2.6vw, 19px); }
  .step__title { font-size: clamp(19px, 3.4vw, 24px); }
  .video__frame, .video__player { border-width: 3px; }

  .where__cols { flex-direction: column; align-items: center; gap: 36px; }
  .where__col { width: 100% !important; }
  .where__title { text-align: center; }
  .logo-grid { max-width: 420px; margin-inline: auto; }
  .shop-list { max-width: 420px; margin-inline: auto; }

  .safety__cols { flex-direction: column; }
  .footer__nav { flex-direction: column-reverse; gap: 28px; }
  .footer__links { grid-template-rows: none; grid-auto-flow: row; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
  .footer__about { flex-direction: column; gap: 20px; }
  .footer__about p:first-child { flex: none; }
  .footer__about p { text-align: left; }
}

/* ≤ 700: phone */
@media (max-width: 700px) {
  .section__title { margin-bottom: 28px; }
  .effect__text { font-size: 18px; }
  .footer__links { grid-template-columns: 1fr; }
  .footer__links a { font-size: 17px; }
  .footer__warning { font-size: clamp(18px, 5vw, 24px); }
}


@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}