@font-face {
  font-family: "Lexend";
  src: url("assets/fonts/lexend-1.ttf") format("truetype");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Lexend";
  src: url("assets/fonts/lexend-2.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Lexend";
  src: url("assets/fonts/lexend-3.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Lexend";
  src: url("assets/fonts/lexend-4.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Lexend";
  src: url("assets/fonts/lexend-5.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --red: #e51931;
  --red-hover: #c90f27;
  --black: #080808;
  --ink: #151515;
  --muted: #686868;
  --line: #dededb;
  --paper: #fbfbfa;
  --white: #ffffff;
  --shell: 1320px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--black);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Lexend", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.modal-open { overflow: hidden; }

button,
a { -webkit-tap-highlight-color: transparent; }

button,
input,
select,
textarea { font: inherit; }

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

a { color: inherit; }

:focus-visible {
  outline: 3px solid #ff354b;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  width: 1px;
  height: 1px;
  padding: 10px 16px;
  overflow: hidden;
  clip-path: inset(50%);
  color: #fff;
  background: var(--red);
  border-radius: 8px;
  white-space: nowrap;
}

.skip-link:focus {
  width: auto;
  height: auto;
  overflow: visible;
  clip-path: none;
}

.shell {
  width: min(var(--shell), calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 10;
  height: 76px;
  color: #fff;
  background: var(--black);
  border-bottom: 1px solid #262626;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: 184px;
  height: 52px;
  display: block;
  object-fit: contain;
  object-position: left center;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 7px;
  border: 1px solid #494949;
  border-radius: 11px;
  background: #0e0e0e;
  overflow: hidden;
}

.brand-mark img { width: 100%; height: 100%; object-fit: contain; }

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.brand-copy small {
  margin-top: 4px;
  color: #8f8f8f;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.header-actions,
.header-meta {
  display: flex;
  align-items: center;
}

.header-actions { gap: 18px; }

.header-meta {
  gap: 10px;
  color: #a4a4a4;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(229, 25, 49, .13);
}

.language-selector { position: relative; }

.language-trigger {
  min-width: 76px;
  min-height: 42px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  border: 1px solid #343434;
  border-radius: 999px;
  background: #1a1a1a;
  font: inherit;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease;
}

.language-trigger:hover,
.language-trigger[aria-expanded="true"] { border-color: #5f5f5f; background: #222; }
.language-trigger img { width: 20px; height: 20px; object-fit: cover; }
.language-chevron { margin-top: -3px; color: #8f8f8f; font-size: 15px; transition: transform .18s ease; }
.language-trigger[aria-expanded="true"] .language-chevron { transform: rotate(180deg); }

.language-menu {
  position: absolute;
  z-index: 30;
  top: calc(100% + 10px);
  right: 0;
  width: 224px;
  padding: 7px;
  border: 1px solid #373737;
  border-radius: 13px;
  background: #151515;
  box-shadow: 0 24px 70px rgba(0,0,0,.55);
}

.language-menu[hidden] { display: none; }

.language-option {
  width: 100%;
  min-height: 56px;
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 11px;
  color: #fff;
  border: 0;
  border-radius: 9px;
  background: transparent;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.language-option:hover,
.language-option.is-selected { background: #232323; }
.language-option img { width: 26px; height: 26px; object-fit: cover; }
.language-option > span:nth-child(2) { display: grid; gap: 3px; }
.language-option strong { font-size: 11px; font-weight: 600; }
.language-option small { color: #898989; font-size: 9px; }
.language-check { color: var(--red); opacity: 0; font-size: 12px; }
.language-option.is-selected .language-check { opacity: 1; }

.product-hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(circle at 80% 20%, rgba(229, 25, 49, .11), transparent 28%),
    linear-gradient(112deg, #080808 0%, #0a0a0a 57%, #111 100%);
  border-bottom: 3px solid var(--red);
}

.product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .35;
  background-image: radial-gradient(circle, rgba(255,255,255,.17) 0 1px, transparent 1.2px);
  background-size: 24px 24px;
  mask-image: linear-gradient(90deg, #000, transparent 65%);
}

.hero-grid {
  position: relative;
  height: calc(90svh - 76px);
  min-height: 640px;
  max-height: 880px;
  padding-block: clamp(34px, 5vh, 58px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(470px, .88fr);
  align-items: center;
  gap: clamp(48px, 6vw, 100px);
}

.hero-copy { min-width: 0; }

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 34px;
  color: #858585;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.breadcrumb span:nth-child(2) { color: var(--red); }
.breadcrumb strong { color: #bcbcbc; font-weight: 500; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.eyebrow-light { color: #ff4055; }

h1,
h2,
h3,
p { overflow-wrap: break-word; }

h1 {
  margin: 0;
  font-size: clamp(56px, 6.1vw, 94px);
  line-height: .98;
  font-weight: 600;
  letter-spacing: -.055em;
}

.hero-lead {
  max-width: 720px;
  margin: 25px 0 0;
  font-size: clamp(21px, 2vw, 30px);
  line-height: 1.35;
  font-weight: 500;
  letter-spacing: -.025em;
}

.hero-summary {
  max-width: 670px;
  margin: 17px 0 0;
  color: #aaa;
  font-size: 15px;
  line-height: 1.75;
}

.hero-selector { margin-top: 30px; }

.field-label {
  display: block;
  color: #767676;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.field-label-light { color: #8d8d8d; }

.strength-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 11px;
}

.strength-button {
  min-width: 72px;
  min-height: 46px;
  padding: 0 16px;
  color: #d6d6d6;
  border: 1px solid #414141;
  border-radius: 9px;
  background: #161616;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
}

.strength-button:hover {
  color: #fff;
  border-color: #6d6d6d;
  transform: translateY(-1px);
}

.strength-button.is-active,
.strength-button[aria-selected="true"] {
  color: #fff;
  border-color: var(--red);
  background: var(--red);
}

.hero-actions,
.coa-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  min-height: 50px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--red); }
.button-primary:hover { background: var(--red-hover); }
.button-secondary { color: #fff; border-color: #3c3c3c; background: #141414; }
.button-secondary:hover { border-color: #656565; background: #1a1a1a; }
.button-outline-light { color: #fff; border-color: #464646; background: transparent; }
.button-outline-light:hover { border-color: #777; background: #151515; }

.product-visual { min-width: 0; }

.visual-surface {
  position: relative;
  width: min(100%, 600px);
  margin-inline: auto;
  padding: 16px;
  border: 1px solid #303030;
  border-radius: 24px;
  background: #151515;
  box-shadow: 0 40px 100px rgba(0,0,0,.35);
}

.visual-surface img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 15px;
  background: #ddd;
}

.visual-index {
  position: absolute;
  z-index: 2;
  top: 30px;
  left: 31px;
  padding: 7px 9px;
  color: #fff;
  border-radius: 6px;
  background: rgba(8,8,8,.75);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .13em;
}

.visual-caption {
  position: absolute;
  z-index: 2;
  right: 28px;
  bottom: 28px;
  min-width: 150px;
  padding: 13px 16px;
  color: var(--ink);
  border-left: 4px solid var(--red);
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 15px 45px rgba(0,0,0,.2);
}

.visual-caption span {
  display: block;
  color: #777;
  font-size: 7px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.visual-caption strong {
  display: block;
  margin-top: 3px;
  font-size: 14px;
  font-weight: 600;
}

.image-note {
  width: min(100%, 600px);
  margin: 14px auto 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #7f7f7f;
  font-size: 10px;
  line-height: 1.5;
}

.image-note > span:first-child {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 1px solid #454545;
  border-radius: 50%;
  color: #bbb;
  font-size: 9px;
}

.image-note > span:last-child { min-width: 0; flex: 1 1 auto; }

.authenticity-section {
  position: relative;
  overflow: hidden;
  padding: clamp(82px, 8vw, 124px) 0;
  color: #fff;
  background:
    radial-gradient(circle at 50% -15%, rgba(229,25,49,.18), transparent 40%),
    var(--black);
}

.authenticity-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image: radial-gradient(circle, rgba(255,255,255,.16) 0 1px, transparent 1.2px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, #000, transparent 82%);
}

.authenticity-inner { position: relative; text-align: center; }

.authenticity-inner h2 {
  max-width: 980px;
  margin: 0 auto;
  color: var(--red);
  font-size: clamp(42px, 5.2vw, 72px);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -.05em;
  text-transform: uppercase;
}

.authenticity-lead {
  margin: 24px 0 0;
  color: #fff;
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.45;
  font-weight: 600;
  letter-spacing: -.015em;
}

.authenticity-copy {
  max-width: 960px;
  margin: 18px auto 0;
  color: #aaa;
  font-size: 15px;
  line-height: 1.8;
}

.authenticity-pillars {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #2b2b2b;
  border-bottom: 1px solid #2b2b2b;
}

.authenticity-pillars article {
  min-width: 0;
  padding: 27px 28px;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  text-align: left;
  border-right: 1px solid #2b2b2b;
}

.authenticity-pillars article:last-child { border-right: 0; }
.authenticity-pillars article > span { color: var(--red); font-size: 9px; font-weight: 600; letter-spacing: .12em; }
.authenticity-pillars strong { display: block; font-size: 14px; font-weight: 600; }
.authenticity-pillars p { margin: 7px 0 0; color: #8e8e8e; font-size: 11px; line-height: 1.65; }

.section { padding: clamp(84px, 8vw, 124px) 0; }

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, .75fr);
  align-items: end;
  gap: clamp(40px, 8vw, 140px);
  margin-bottom: 48px;
}

.section-heading h2 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(38px, 4.5vw, 64px);
  line-height: 1.06;
  font-weight: 600;
  letter-spacing: -.045em;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.product-information { background: var(--paper); }

.specification-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.specification {
  min-height: 190px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.specification > span { color: var(--red); font-size: 9px; font-weight: 600; letter-spacing: .12em; }
.specification p { margin: 42px 0 5px; color: #7a7a7a; font-size: 9px; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.specification strong { display: block; font-size: 15px; font-weight: 600; line-height: 1.45; }

.profile-grid {
  margin-top: 68px;
  padding-top: 68px;
  display: grid;
  grid-template-columns: minmax(260px, .68fr) minmax(0, 1.32fr);
  gap: clamp(50px, 9vw, 150px);
  border-top: 1px solid var(--line);
}

.profile-intro h3 {
  margin: 15px 0 18px;
  font-size: clamp(30px, 3.5vw, 48px);
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -.04em;
}

.profile-intro > p:last-child { margin: 0; color: var(--muted); }

.pathway-list { display: grid; }

.pathway-list article {
  padding: 26px 0;
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 26px;
  border-bottom: 1px solid var(--line);
}

.pathway-list article:first-child { padding-top: 0; }
.pathway-list article > span { width: 64px; height: 64px; display: grid; place-items: center; color: var(--red); border: 1px solid #d4d4d0; border-radius: 50%; background: #fff; font-size: 11px; font-weight: 600; }
.pathway-list strong { font-size: 16px; font-weight: 600; }
.pathway-list p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }

.coa-section {
  color: #fff;
  background: var(--black);
}

.coa-heading h2 { color: #fff; }
.coa-heading > p { color: #949494; }
.coa-heading > p span { white-space: nowrap; }
.coa-selector { margin-bottom: 22px; }
.strength-list-dark .strength-button { background: #131313; }

.coa-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .64fr);
  gap: 16px;
}

.coa-details,
.coa-document {
  border: 1px solid #2d2d2d;
  border-radius: 16px;
  background: #101010;
}

.coa-details { padding: clamp(26px, 4vw, 44px); }

.coa-title-row {
  padding-bottom: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid #292929;
}

.coa-title-row h3 {
  margin: 9px 0 0;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -.03em;
}

.purity {
  flex: 0 0 auto;
  min-width: 104px;
  padding: 12px 14px;
  text-align: center;
  border: 1px solid #363636;
  border-radius: 9px;
  background: #171717;
}

.purity span { display: block; color: #777; font-size: 8px; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.purity strong { display: block; margin-top: 3px; font-size: 17px; font-weight: 600; }

.coa-data {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.coa-data div {
  min-height: 90px;
  padding: 20px 18px 18px 0;
  border-bottom: 1px solid #252525;
}

.coa-data div:nth-child(even) {
  padding-left: 26px;
  border-left: 1px solid #252525;
}

.coa-data dt { color: #707070; font-size: 8px; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.coa-data dd { margin: 6px 0 0; color: #f0f0f0; font-size: 13px; font-weight: 500; line-height: 1.45; overflow-wrap: anywhere; }

.coa-document {
  min-width: 0;
  padding: 18px;
  color: #fff;
  text-align: left;
  cursor: pointer;
}

.document-top,
.document-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.document-top { padding: 0 4px 14px; color: #777; font-size: 8px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.document-top strong { color: #aaa; font-weight: 500; }
.coa-document img { width: 100%; aspect-ratio: 0.772; object-fit: cover; object-position: top; border: 1px solid #494949; border-radius: 8px; background: #eee; }
.document-footer { padding: 16px 4px 0; color: #fff; font-size: 11px; }
.document-footer strong { font-weight: 600; }
.document-footer span { color: var(--red); font-size: 17px; }

.research-notice {
  padding: 46px 0;
  color: #ccc;
  background: #111;
  border-top: 1px solid #292929;
}

.notice-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: flex-start;
}

.notice-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid #414141; border-radius: 50%; color: #fff; font-weight: 600; }
.notice-grid strong { color: #fff; font-size: 14px; font-weight: 600; }
.notice-grid p { max-width: 1080px; margin: 6px 0 0; color: #939393; font-size: 12px; line-height: 1.7; }

.site-footer { padding: 26px 0; color: #737373; background: var(--black); border-top: 1px solid #202020; font-size: 9px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; }
.site-footer .shell { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.coa-modal {
  width: min(1080px, calc(100vw - 32px));
  height: min(900px, calc(100vh - 32px));
  padding: 0;
  overflow: hidden;
  color: #fff;
  border: 1px solid #373737;
  border-radius: 16px;
  background: #111;
  box-shadow: 0 40px 140px rgba(0,0,0,.75);
}

.coa-modal::backdrop { background: rgba(0,0,0,.82); backdrop-filter: blur(6px); }
.modal-shell { height: 100%; display: grid; grid-template-rows: auto 1fr; }
.modal-header { min-height: 70px; padding: 12px 15px 12px 22px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #303030; }
.modal-header span { display: block; color: #777; font-size: 8px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.modal-header strong { display: block; margin-top: 4px; font-size: 14px; font-weight: 600; }
.modal-actions { display: flex; align-items: center; gap: 8px; }
.modal-actions a,
.modal-actions button { min-height: 42px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center; color: #fff; border: 1px solid #3d3d3d; border-radius: 8px; background: #181818; font-size: 9px; font-weight: 600; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; cursor: pointer; }
.modal-actions button { width: 42px; padding: 0; font-size: 20px; }
#coa-frame { width: 100%; height: 100%; border: 0; background: #e8e8e8; }

@media (min-width: 1800px) {
  :root { --shell: 1480px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) 620px; }
}

@media (max-width: 1180px) {
  .shell { width: min(1060px, calc(100% - 48px)); }
  .hero-grid { min-height: 640px; grid-template-columns: minmax(0, 1fr) minmax(390px, .78fr); gap: 42px; }
  h1 { font-size: clamp(52px, 6.6vw, 76px); }
  .hero-lead { font-size: clamp(20px, 2.1vw, 25px); }
  .section-heading { grid-template-columns: minmax(0, 1fr) minmax(320px, .75fr); gap: 50px; }
  .coa-card { grid-template-columns: minmax(0, 1fr) minmax(310px, .58fr); }
}

@media (max-width: 900px) {
  .shell { width: min(760px, calc(100% - 40px)); }
  .hero-grid { height: auto; min-height: 0; max-height: none; padding-block: 56px 64px; grid-template-columns: 1fr; gap: 46px; }
  .hero-copy { max-width: 720px; }
  .product-visual { width: min(100%, 590px); margin-inline: auto; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .section-heading > p { max-width: 680px; }
  .specification-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile-grid { grid-template-columns: 1fr; gap: 44px; }
  .profile-intro { max-width: 640px; }
  .authenticity-pillars { grid-template-columns: 1fr; }
  .authenticity-pillars article { border-right: 0; border-bottom: 1px solid #2b2b2b; }
  .authenticity-pillars article:last-child { border-bottom: 0; }
  .coa-card { grid-template-columns: 1fr; }
  .coa-document { max-width: 520px; }
  .coa-heading > p span { white-space: normal; }
}

@media (max-width: 620px) {
  .shell { width: calc(100% - 28px); }
  .site-header { height: 66px; }
  .brand-logo { width: 156px; height: 44px; }
  .brand-mark { width: 38px; height: 38px; }
  .header-actions { gap: 10px; }
  .header-meta span:not(.status-dot) { display: none; }
  .language-trigger { min-width: 72px; min-height: 40px; padding-inline: 10px; }
  .language-menu { position: fixed; top: 72px; right: 14px; }
  .product-hero::before { mask-image: linear-gradient(180deg, #000, transparent 45%); }
  .hero-grid { padding-block: 42px 52px; gap: 36px; }
  .breadcrumb { margin-bottom: 24px; }
  h1 { font-size: clamp(42px, 13.8vw, 58px); letter-spacing: -.06em; }
  .hero-lead { margin-top: 18px; font-size: 20px; }
  .hero-summary { font-size: 14px; line-height: 1.7; }
  .strength-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .strength-button { min-width: 0; width: 100%; padding-inline: 10px; }
  .hero-actions,
  .coa-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .visual-surface { padding: 9px; border-radius: 17px; }
  .visual-surface img { border-radius: 11px; }
  .visual-index { top: 20px; left: 20px; }
  .visual-caption { right: 18px; bottom: 18px; min-width: 132px; padding: 11px 13px; }
  .section { padding: 72px 0; }
  .authenticity-section { padding: 72px 0; }
  .authenticity-inner h2 { font-size: clamp(36px, 11.2vw, 50px); }
  .authenticity-lead { font-size: 16px; }
  .authenticity-copy { font-size: 13px; line-height: 1.75; }
  .authenticity-pillars { margin-top: 36px; }
  .authenticity-pillars article { padding: 23px 4px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2 { font-size: clamp(34px, 10vw, 44px); }
  .section-heading > p { font-size: 14px; }
  .specification-grid { grid-template-columns: 1fr; }
  .specification { min-height: 142px; padding: 24px; }
  .specification p { margin-top: 25px; }
  .profile-grid { margin-top: 48px; padding-top: 48px; }
  .profile-intro h3 { font-size: 32px; }
  .pathway-list article { grid-template-columns: 60px 1fr; gap: 17px; }
  .pathway-list article > span { width: 52px; height: 52px; font-size: 9px; }
  .coa-title-row { display: grid; grid-template-columns: 1fr auto; gap: 14px; }
  .purity { min-width: 91px; padding: 10px; }
  .coa-data { grid-template-columns: 1fr; }
  .coa-data div,
  .coa-data div:nth-child(even) { min-height: 76px; padding: 17px 0; border-left: 0; }
  .coa-details { padding: 22px 18px; }
  .coa-document { padding: 12px; }
  .notice-grid { grid-template-columns: 1fr; }
  .site-footer .shell { display: grid; gap: 8px; }
  .coa-modal { width: calc(100vw - 12px); height: calc(100vh - 12px); border-radius: 10px; }
  .modal-header { min-height: 62px; padding: 9px 10px 9px 14px; }
  .modal-actions a { display: none; }
}

@media (max-width: 360px) {
  .strength-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-lead { font-size: 18px; }
  .coa-title-row { grid-template-columns: 1fr; }
  .purity { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .coa-actions,
  .coa-document,
  .site-footer { display: none !important; }
  .product-hero,
  .coa-section { color: #000; background: #fff; }
  .hero-grid,
  .coa-card { grid-template-columns: 1fr; }
}