/* ============================================================
   ClarityLabsUSA — Design System
   All values from Elementor JSON templates
   ============================================================ */

/* ── Custom Properties ── */
:root {
  --navy: #0B1E3F;
  --green: #1A7A6E;
  --green-rule: #2A9D8F;
  --green-bg: #EDF6F5;
  --green-bdr: #C8E8E4;
  --amber: #C9A227;
  --amber-bg: #FFFBF0;
  --gray-50: #F8F9FA;
  --gray-200: #E8EAEF;
  --rule: #E4E6EB;
  --gray-400: #9BA3B5;
  --gray-600: #6B7185;
  --white: #FFFFFF;

  --font-display: 'DM Serif Display', serif;
  --font-mono: 'DM Mono', monospace;
  --font-body: 'Inter', sans-serif;

  --max-width: 1200px;
  --header-h: 76px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--gray-600);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 0;
  animation: pageIn .5s ease forwards;
}
@keyframes pageIn { to { opacity: 1; } }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ── Typography ── */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; color: var(--navy); }
h1 { font-size: 52px; line-height: 1.12; }
h2 { font-size: 38px; line-height: 1.12; letter-spacing: -0.3px; }
h3 { font-size: 28px; line-height: 1.2; }
h4 { font-family: var(--font-body); font-weight: 600; font-size: 17px; color: var(--navy); }

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--green-rule);
  margin-bottom: 12px;
}

/* ── Layout ── */
.section { padding: 80px 40px; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section--gray { background: var(--gray-50); }
.section--navy { background: var(--navy); }
.section--white { background: var(--white); }
.section-border { border-bottom: 1px solid var(--rule); }

.row { display: flex; flex-wrap: wrap; }
.row--between { justify-content: space-between; }
.row--center { align-items: center; justify-content: center; }
.row--stretch { align-items: stretch; }
.col { display: flex; flex-direction: column; }

/* ── Teal Divider ── */
.teal-rule { width: 28px; height: 2px; background: var(--green-rule); border: none; margin: 12px 0; }
.teal-rule--wide { width: 48px; }
.teal-rule--center { margin-left: auto; margin-right: auto; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--rule);
  transition: box-shadow .3s ease;
}
.header--scrolled {
  box-shadow: 0 2px 20px rgba(11,30,63,.08);
}
.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1001;
  gap: 12px;
  text-decoration: none;
}
.header__logo-icon {
  height: 80px;
  width: auto;
  transition: height .4s cubic-bezier(.4,0,.2,1);
}
.header--scrolled .header__logo-icon {
  height: 42px;
}
.header__logo-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all .4s cubic-bezier(.4,0,.2,1);
}
.header__logo-name {
  font-family: var(--font-body);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--navy);
  letter-spacing: -0.5px;
}
.header__logo-usa {
  font-weight: 500;
  color: #4A9BB5;
  font-size: 22px;
}
.header__logo-tagline {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gray-400);
  transition: all .4s cubic-bezier(.4,0,.2,1);
}
.header--scrolled .header__logo-name {
  font-size: 18px;
}
.header--scrolled .header__logo-usa {
  font-size: 14px;
}
.header--scrolled .header__logo-tagline {
  font-size: 0;
  opacity: 0;
  margin: 0;
  gap: 0;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.header__link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  position: relative;
  padding: 4px 0;
}
.header__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--green-rule);
  transition: width .3s ease;
}
.header__link:hover { color: var(--navy); }
.header__link:hover::after,
.header__link--active::after { width: 100%; }
.header__link--active { color: var(--navy); }

.header__cta {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--white);
  background: var(--green);
  padding: 10px 20px;
  transition: background .2s, transform .2s;
}
.header__cta:hover { background: var(--green-rule); transform: translateY(-1px); }

/* Hamburger */
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}
.header__hamburger span {
  width: 24px; height: 2px;
  background: var(--navy);
  transition: transform .3s, opacity .3s;
  display: block;
}
.header__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.header__hamburger.active span:nth-child(2) { opacity: 0; }
.header__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 13px 28px;
  border: none;
  cursor: pointer;
  transition: all .25s ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--green { background: var(--green); color: var(--white); }
.btn--green:hover { background: var(--green-rule); box-shadow: 0 4px 16px rgba(26,122,110,.25); }

.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: #132847; box-shadow: 0 4px 16px rgba(11,30,63,.25); }

.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.btn--outline:hover { background: var(--navy); color: var(--white); }

.btn--ghost {
  background: transparent;
  color: rgba(255,255,255,.65);
  border: 1px solid rgba(255,255,255,.2);
}
.btn--ghost:hover { background: rgba(255,255,255,.08); color: var(--white); }

.btn--full { width: 100%; }
.btn--block { width: 100%; text-align: center; }

.btn--outline-navy {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.btn--outline-navy:hover { background: var(--navy); color: var(--white); }

.btn--mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ============================================================
   HERO (Home)
   ============================================================ */
.hero {
  background: var(--navy);
  border-bottom: 1px solid var(--rule);
}
.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px 40px 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
}
.hero__badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  border-right: 1px solid rgba(255,255,255,.15);
}
.hero__badge:last-child { border-right: none; }
.hero h1 { color: var(--white); max-width: 700px; }
.hero__text {
  font-size: 16px;
  font-weight: 300;
  color: rgba(255,255,255,.65);
  line-height: 1.75;
  max-width: 560px;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.hero__micro {
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(255,255,255,.25);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 8px;
}

/* ============================================================
   AUTHORITY BAND
   ============================================================ */
.authority { background: var(--gray-50); border-bottom: 1px solid var(--rule); }
.authority__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 40px;
}
.authority__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--green);
  padding: 32px;
  width: calc(25% - 15px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-card__rule {
  width: 48px; height: 3px;
  background: var(--green);
  margin-bottom: 12px;
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 400;
  color: var(--navy);
  line-height: 1;
}
.stat-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
}
.stat-card__sub {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-400);
}

/* ============================================================
   COMPOUNDS GRID (Home)
   ============================================================ */
.compounds { background: var(--gray-50); border-bottom: 1px solid var(--rule); }
.compounds__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.compounds__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
}
.compounds__header-left { max-width: 60%; }
.compounds__link {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  transition: color .2s;
}
.compounds__link:hover { color: var(--green-rule); }

.compounds__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  overflow: hidden;
  transition: max-height .5s ease;
}
.compounds__grid--collapsed {
  max-height: 340px;
  position: relative;
}
.compounds__grid--collapsed::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--white));
  pointer-events: none;
  z-index: 2;
}
.compounds__toggle {
  text-align: center;
  padding-top: 24px;
}
.compounds__see-all {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  background: none;
  border: 1.5px solid var(--green);
  padding: 10px 28px;
  border-radius: 3px;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.compounds__see-all:hover {
  background: var(--green);
  color: var(--white);
}
.compound-card {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 24px 20px 20px;
  width: calc(25% - 15px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.compound-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(11,30,63,.08);
}
.compound-card__cat {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-rule);
}
.compound-card__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--navy);
  line-height: 1.12;
}
.compound-card__desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.6;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
  flex-grow: 1;
}
.compound-card__link {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  padding-top: 4px;
  transition: color .2s;
}
.compound-card__link:hover { color: var(--green-rule); }

/* ============================================================
   EDUCATION
   ============================================================ */
.education { background: var(--white); border-bottom: 1px solid var(--rule); }
.education__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.education__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.education__left {
  width: 36%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.education__left p { line-height: 1.8; }
.education__accent {
  width: 4%;
  min-height: 200px;
  background: var(--green-rule);
  border-radius: 4px;
  align-self: stretch;
}
.education__right {
  width: 52%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.education__pills-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.education__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 400;
  color: var(--navy);
  flex: 1;
  min-width: 200px;
  transition: border-color .2s, transform .2s;
}
.education__pill:hover {
  border-color: var(--green-bdr);
  transform: translateY(-2px);
}
.education__pill-icon {
  width: 36px; height: 36px;
  background: var(--green-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 14px;
  flex-shrink: 0;
}
.education__cta-link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-rule);
  margin-top: 8px;
  transition: color .2s;
}
.education__cta-link:hover { color: var(--green); }

/* ============================================================
   VIDEO SECTION
   ============================================================ */
.video-section {
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.video-section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.video-section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-label--light {
  color: var(--green-rule);
}
.video-section__title {
  color: var(--white);
  margin-bottom: 16px;
}
.video-section__desc {
  color: rgba(255,255,255,.65);
  font-size: 15px;
  line-height: 1.8;
  margin-top: 16px;
}
.video-section__row {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: flex-start;
}
.video-section__player {
  flex: 1;
  min-width: 300px;
}
.video-wrap {
  position: relative;
  padding-top: 56.25%;
  background: #000;
  border-radius: 4px;
  overflow: hidden;
}
.video-poster {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  cursor: pointer;
  z-index: 2;
}
.video-poster img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.video-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  background: none;
  border: none;
  cursor: pointer;
  transition: transform .2s, opacity .2s;
  z-index: 3;
  animation: playBounce 2s ease-in-out infinite;
}
.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.15);
  animation: none;
}
.video-play-btn svg {
  width: 100%; height: 100%;
  filter: drop-shadow(0 2px 12px rgba(42,157,143,.5));
  position: relative;
  z-index: 2;
}

/* Pulse ring behind the play button */
.video-play-pulse {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid rgba(42,157,143,.6);
  animation: playPulse 2s ease-out infinite;
  z-index: 1;
}

@keyframes playPulse {
  0%   { width: 80px; height: 80px; opacity: .7; }
  100% { width: 130px; height: 130px; opacity: 0; }
}

@keyframes playBounce {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50%      { transform: translate(-50%, -50%) scale(1.08); }
}
.video-iframe-wrap {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 4;
}
.video-section__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: rgba(255,255,255,.4);
  margin-top: 12px;
}
.video-section__learn {
  width: 380px;
  flex-shrink: 0;
}
.video-section__learn-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: 24px;
}
.learn-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: rgba(255,255,255,.8);
  font-size: 14px;
  line-height: 1.6;
}
.learn-item:first-child { border-top: 1px solid rgba(255,255,255,.06); }
.learn-check {
  width: 24px; height: 24px;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  border-radius: 3px;
  margin-top: 1px;
}
.video-section__cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-rule);
  margin-top: 24px;
  transition: color .2s;
}
.video-section__cta:hover {
  color: var(--white);
}

/* ============================================================
   LAB TESTING / COA
   ============================================================ */
.lab { background: var(--white); border-bottom: 1px solid var(--rule); }
.lab__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.lab__row {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
  align-items: stretch;
}
.lab__left { width: calc(50% - 30px); min-width: 280px; flex: 1; }
.lab__right {
  width: calc(42% - 30px);
  background: var(--navy);
  min-width: 280px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* COA Document */
.coa-wrap { position: relative; padding-top: 20px; }
.coa-purity {
  position: absolute;
  top: 0; right: 24px;
  background: var(--green);
  color: var(--white);
  padding: 8px 18px;
  text-align: center;
  z-index: 10;
}
.coa-purity__label {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: .75;
  margin-bottom: 2px;
}
.coa-purity__value {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
}
.coa-doc {
  background: var(--white);
  border: 1px solid var(--rule);
  box-shadow: 0 2px 12px rgba(11,30,63,.08);
}
.coa-header {
  background: var(--navy);
  padding: 20px 24px;
}
.coa-header__name {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--white);
  margin-bottom: 2px;
}
.coa-header__sub {
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(255,255,255,.5);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.coa-header__num {
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(255,255,255,.4);
  letter-spacing: 1px;
  margin-top: 6px;
}
.coa-compound {
  padding: 20px 24px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.coa-compound__name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--navy);
}
.coa-compound__sub {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 2px;
}
.coa-lot__label {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: right;
}
.coa-lot__value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--navy);
  font-weight: 500;
  text-align: right;
}
.coa-results { padding: 16px 24px; }
.coa-results__label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--gray-400);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.coa-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.coa-table th {
  text-align: left;
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400);
  font-weight: 500;
  background: var(--gray-50);
}
.coa-table td { padding: 8px 10px; border-bottom: 1px solid #F0F0F0; color: var(--navy); }
.coa-table tr:last-child td { border-bottom: none; }
.coa-result-hi { color: var(--green); font-weight: 600; }
.coa-pass {
  display: inline-block;
  background: var(--green-bg);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 3px 8px;
  text-transform: uppercase;
}
.coa-sig {
  padding: 12px 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.coa-sig__name {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--navy);
}
.coa-sig__role {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.coa-sig__date-label {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: right;
}
.coa-sig__date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--navy);
  text-align: right;
}
.coa-foot {
  padding: 10px 24px;
  background: var(--gray-50);
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.coa-foot__disc {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--gray-400);
  letter-spacing: .5px;
}
.coa-foot__link {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Navy Proof Panel */
.lab-panel { padding: 48px 40px; display: flex; flex-direction: column; flex: 1; }
.lab-panel__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-rule);
  margin-bottom: 16px;
}
.lab-panel h2 {
  color: var(--white);
  font-size: 34px;
  margin-bottom: 12px;
}
.lab-panel__body {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,.65);
  line-height: 1.8;
  margin-bottom: 32px;
}
.lab-panel__checks { display: flex; flex-direction: column; margin-bottom: 32px; }
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.check-item:last-child { border-bottom: none; }
.check-icon {
  width: 28px; height: 28px; min-width: 28px;
  background: var(--green);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.check-title {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 3px;
}
.check-body {
  font-size: 12px;
  font-weight: 300;
  color: rgba(255,255,255,.55);
  line-height: 1.6;
}
.lab-panel__badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.lab-badge {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.lab-badge--light {
  background: var(--white);
  border: 1px solid var(--rule);
  color: var(--navy);
}
.lab-panel__cta {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--white);
  background: var(--green);
  padding: 14px 24px;
  align-self: flex-start;
  transition: background .2s, transform .2s;
}
.lab-panel__cta:hover { background: var(--green-rule); transform: translateY(-2px); }
.lab-panel__micro {
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(255,255,255,.3);
  margin-top: 10px;
  letter-spacing: .5px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--navy); border-top: 1px solid rgba(255,255,255,.08); }
.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 40px 32px;
}
.footer__top {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 32px;
}
.footer__brand { flex: 1; min-width: 240px; }
.footer__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer__logo-icon {
  height: 56px;
  width: auto;
  filter: brightness(10);
}
.footer__logo-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer__logo-name {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--white);
  letter-spacing: -0.3px;
}
.footer__logo-usa {
  font-weight: 500;
  color: #4A9BB5;
  font-size: 17px;
}
.footer__logo-tagline {
  font-family: var(--font-body);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
}
.footer__tagline {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  max-width: 280px;
}
.footer__col { min-width: 160px; }
.footer__heading {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}
.footer__col a {
  display: block;
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,.6);
  padding: 5px 0;
  transition: color .2s;
}
.footer__col a:hover { color: var(--white); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}
.footer__disclaimer {
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(255,255,255,.3);
  letter-spacing: .5px;
}
.footer__copyright {
  font-size: 12px;
  color: rgba(255,255,255,.3);
}

/* ============================================================
   MEGA MENU
   ============================================================ */
.header__dropdown { position: relative; }
.header__chevron {
  font-size: 10px;
  margin-left: 2px;
  transition: transform .2s;
}
.header__dropdown:hover .header__chevron { transform: rotate(180deg); }
.mega-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  max-width: 96vw;
  background: var(--white);
  border: 1px solid var(--rule);
  box-shadow: 0 16px 48px rgba(11,30,63,.12);
  z-index: 1000;
  padding: 0;
  opacity: 0;
  transition: opacity .2s ease;
}
.header__dropdown:hover .mega-menu {
  display: block;
  opacity: 1;
}
.mega-menu::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 40px;
}
.mega-menu__inner {
  display: flex;
  gap: 0;
}
.mega-menu__col {
  padding: 28px 20px;
  flex: 1;
  min-width: 0;
  border-right: 1px solid var(--rule);
}
.mega-menu__col:last-child { border-right: none; }
.mega-menu__heading {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--green-rule);
  margin-bottom: 14px;
}
.mega-menu__item {
  display: block;
  padding: 5px 0;
  transition: color .15s;
}
.mega-menu__item-name {
  font-size: 13px;
  font-weight: 400;
  color: var(--navy);
}
.mega-menu__item:hover .mega-menu__item-name {
  color: var(--green);
}
.mega-menu__col--cta {
  background: var(--navy);
  min-width: 210px;
  max-width: 210px;
  flex: none;
  display: flex;
  align-items: center;
}
.mega-menu__promo {
  padding: 16px;
}
.mega-menu__promo-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-rule);
  margin-bottom: 10px;
}
.mega-menu__promo-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--white);
  margin-bottom: 8px;
}
.mega-menu__promo-text {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,.55);
  line-height: 1.6;
  margin-bottom: 16px;
}
.btn--sm {
  font-size: 11px;
  padding: 10px 18px;
  letter-spacing: 1px;
}

/* ============================================================
   PRODUCT WRITE-UP SECTIONS
   ============================================================ */

/* Research Applications */
.research-apps { background: var(--white); border-bottom: 1px solid var(--rule); }
.research-apps__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.research-apps__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.research-app-card {
  width: calc(33.333% - 14px);
  background: var(--gray-50);
  border: 1px solid var(--rule);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.research-app-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(11,30,63,.08);
}
.research-app-card__num {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--green-rule);
  font-weight: 500;
}
.research-app-card__title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
}
.research-app-card__desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.8;
}

/* Designed For */
.designed-for { background: var(--gray-50); border-bottom: 1px solid var(--rule); }
.designed-for__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.designed-for__header {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
  margin-bottom: 40px;
}
.designed-for__header-left { width: 45%; }
.designed-for__header-right { width: 50%; display: flex; align-items: flex-end; }
.designed-for__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--rule);
}
.designed-for__item {
  display: flex;
  gap: 20px;
  padding: 28px 32px;
  background: var(--white);
  border-bottom: 1px solid var(--rule);
}
.designed-for__item:last-child { border-bottom: none; }
.designed-for__icon {
  width: 32px; height: 32px;
  min-width: 32px;
  background: var(--green-bg);
  border: 1px solid var(--green-bdr);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 10px;
  flex-shrink: 0;
}
.designed-for__text h4 {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.designed-for__text p {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.8;
}

/* Protocol Context */
.protocol-context {
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.protocol-context__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.protocol-context__content {
  max-width: 760px;
}
.protocol-context__content p {
  font-size: 15px;
  font-weight: 300;
  color: rgba(255,255,255,.65);
  line-height: 1.9;
  margin-bottom: 20px;
}
.protocol-context__content p:last-child { margin-bottom: 0; }

/* Brand Values */
.brand-values { background: var(--gray-50); border-bottom: 1px solid var(--rule); }
.brand-values__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.brand-values__grid {
  display: flex;
  gap: 20px;
}
.brand-value-card {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.brand-value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(11,30,63,.08);
}
.brand-value-card__icon {
  width: 36px; height: 36px;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}
.brand-value-card__title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
}
.brand-value-card__desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  background: var(--gray-50);
  border-bottom: 1px solid var(--rule);
  padding: 12px 40px;
}
.breadcrumb__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
  letter-spacing: 1px;
}
.breadcrumb__sep { color: #C8CDD8; margin: 0 6px; }
.breadcrumb__current { color: var(--navy); font-weight: 500; }

/* ============================================================
   SHOP PAGE
   ============================================================ */
.shop-hero {
  background: var(--navy);
  padding: 64px 40px;
  text-align: center;
  border-bottom: 1px solid var(--rule);
}
.shop-hero__inner { max-width: var(--max-width); margin: 0 auto; }
.shop-hero h1 { color: var(--white); margin-bottom: 12px; }
.shop-hero__text {
  font-size: 16px;
  font-weight: 300;
  color: rgba(255,255,255,.6);
  max-width: 500px;
  margin: 0 auto;
}

.shop-filters {
  background: var(--white);
  border-bottom: 1px solid var(--rule);
  padding: 20px 40px;
  position: sticky;
  top: var(--header-h);
  z-index: 100;
}
.shop-filters__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--rule);
  background: var(--white);
  color: var(--gray-400);
  cursor: pointer;
  transition: all .2s;
}
.filter-pill:hover { border-color: var(--green-bdr); color: var(--navy); }
.filter-pill.active {
  background: var(--green-bg);
  border-color: var(--green-bdr);
  color: var(--green);
}

.shop-grid {
  background: var(--gray-50);
  padding: 48px 40px 80px;
}
.shop-grid__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.shop-card {
  background: var(--white);
  border: 1px solid var(--rule);
  width: calc(33.333% - 16px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.shop-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(11,30,63,.1);
}
.shop-card.hidden { display: none; }
.shop-card__img {
  width: 100%;
  height: 220px;
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}
.shop-card__img img { transition: transform .4s ease; }
.shop-card:hover .shop-card__img img { transform: scale(1.04); }
.shop-card__img-placeholder {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--green-bdr);
  letter-spacing: 2px;
}
.shop-card__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.shop-card__cat {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-rule);
}
.shop-card__name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--navy);
  line-height: 1.15;
}
.shop-card__desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.6;
  flex: 1;
}
.shop-card__footer {
  padding: 0 24px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.shop-card__price {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--navy);
}
.shop-card__btn {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  padding: 8px 16px;
  border: 1px solid var(--green);
  transition: all .2s;
}
.shop-card__btn:hover { background: var(--green); color: var(--white); }

/* ============================================================
   PRODUCT PAGE
   ============================================================ */
.product-hero {
  background: var(--white);
  border-bottom: 1px solid var(--rule);
}
.product-hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
}
.product-hero__gallery {
  width: calc(55% - 24px);
  min-width: 300px;
}
.product-hero__main-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--gray-50);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 12px;
}
.product-hero__main-img img { max-height: 100%; transition: transform .4s ease; }
.product-hero__main-img:hover img { transform: scale(1.05); }
.product-hero__main-img .placeholder-text {
  font-family: var(--font-mono);
  font-size: 36px;
  color: var(--green-bdr);
  letter-spacing: 3px;
}
.product-hero__thumbs {
  display: flex;
  gap: 8px;
}
.product-hero__thumb {
  width: 72px; height: 72px;
  background: var(--gray-50);
  border: 1px solid var(--rule);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s;
}
.product-hero__thumb:hover,
.product-hero__thumb.active { border-color: var(--navy); }

.product-hero__info {
  width: calc(45% - 24px);
  min-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.product-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-bg);
  border: 1px solid var(--green-bdr);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--green);
  align-self: flex-start;
}
.product-hero__info h1 { font-size: 42px; }
.product-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400);
}
.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-bg);
  padding: 6px 12px;
  border: 1px solid var(--green-bdr);
}
.product-price {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--navy);
}
.product-desc { line-height: 1.8; }
.product-divider { border: none; border-top: 1px solid var(--rule); margin: 4px 0; }

/* Size Selector */
.size-selector { display: flex; flex-direction: column; gap: 8px; }
.size-selector__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400);
}
.size-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  background: var(--white);
  cursor: pointer;
  transition: all .2s;
}
.size-option:hover { border-color: var(--gray-400); }
.size-option.active {
  border-color: var(--navy);
  background: var(--gray-50);
}
.size-option__left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.size-option__mg {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
}
.size-option__phase {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: 1px;
}
.size-option__popular {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
  background: var(--green-bg);
  padding: 3px 8px;
  letter-spacing: 1px;
  border: 1px solid rgba(42,157,143,.22);
}

/* Trust Row */
.product-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 8px;
}
.product-trust__item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400);
}
.product-trust__icon {
  width: 20px; height: 20px;
  background: var(--green-bg);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}
.product-micro {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
  letter-spacing: .5px;
}

/* Why Cards */
.why-section { background: var(--gray-50); border-bottom: 1px solid var(--rule); }
.why-section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.why-section__header {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
  margin-bottom: 40px;
}
.why-section__header-left { width: 45%; }
.why-section__header-right { width: 50%; display: flex; align-items: flex-end; }
.why-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--rule);
}
.why-card {
  width: 50%;
  display: flex;
  gap: 20px;
  padding: 32px;
  border: 1px solid var(--rule);
  background: var(--white);
}
.why-card__icon-col { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 44px; flex-shrink: 0; }
.why-card__icon-box {
  width: 40px; height: 40px;
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 15px;
}
.why-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #C8CDD8;
  text-align: center;
}
.why-card__text { display: flex; flex-direction: column; gap: 6px; }
.why-card__title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
}
.why-card__body {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.8;
}

/* Sizes Section */
.sizes-section { background: var(--white); border-bottom: 1px solid var(--rule); }
.sizes-section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.sizes-grid {
  display: flex;
  gap: 20px;
  align-items: stretch;
}
.size-card {
  width: 33.333%;
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.size-card--featured {
  border: 2px solid var(--navy);
}
.size-card__badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--white);
  background: var(--navy);
  padding: 4px 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: inline-block;
  align-self: flex-start;
}
.size-card__phase {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
}
.size-card__mg {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--navy);
  line-height: 1;
}
.size-card__desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.8;
  flex: 1;
}
.size-card__note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
}

/* Related Compounds */
.related { background: var(--gray-50); border-bottom: 1px solid var(--rule); }
.related__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 40px;
}
.related__grid {
  display: flex;
  gap: 20px;
  margin-top: 32px;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-hero {
  background: var(--white);
  padding: 90px 40px 80px;
  text-align: center;
  border-bottom: 1px solid var(--rule);
}
.about-hero__inner { max-width: 1100px; margin: 0 auto; }
.about-hero h1 { margin-bottom: 20px; }
.about-hero__text {
  font-size: 18px;
  font-weight: 400;
  color: var(--gray-600);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.75;
}

.founder { background: var(--navy); border-bottom: 1px solid var(--rule); }
.founder__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 40px;
}
.founder__row {
  display: flex;
  flex-wrap: wrap;
  gap: 70px;
}
.founder__left { width: calc(48% - 35px); }
.founder__right { width: calc(48% - 35px); }
.founder__left p {
  font-size: 17px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 16px;
}
.founder-card {
  background: #132847;
  border-radius: 16px;
  padding: 36px;
}
.founder-card__name {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--white);
  margin-bottom: 4px;
}
.founder-card__role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green-rule);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.founder-card__divider {
  border: none;
  border-top: 1px solid #1F3A5C;
  margin-bottom: 20px;
}
.founder-card__list li {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,.6);
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.founder-card__list li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green-rule);
  flex-shrink: 0;
}

.pillars { background: var(--gray-50); border-bottom: 1px solid var(--rule); }
.pillars__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 90px 40px;
  text-align: center;
}
.pillars__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 48px;
  text-align: left;
}
.pillar-card {
  width: calc(25% - 18px);
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(11,30,63,.08);
}
.pillar-card__num {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--green-rule);
}
.pillar-card__title {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--navy);
}
.pillar-card__desc {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact { background: var(--white); border-bottom: 1px solid var(--rule); }
.contact__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 40px;
}
.contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
}
.contact__form-wrap { width: calc(60% - 30px); min-width: 300px; flex: 1; }
.contact__info { width: calc(40% - 30px); min-width: 260px; flex: 1; }

.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 8px;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--rule);
  background: var(--white);
  font-size: 15px;
  font-weight: 300;
  color: var(--navy);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--green-rule);
  box-shadow: 0 0 0 3px rgba(42,157,143,.1);
}
.form-textarea { min-height: 160px; resize: vertical; }
.form-error {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #D32F2F;
  margin-top: 6px;
  display: none;
}
.form-success {
  background: var(--green-bg);
  border: 1px solid var(--green-bdr);
  padding: 20px;
  font-size: 14px;
  color: var(--green);
  display: none;
}
.form-success.show { display: block; }
.honeypot { position: absolute; left: -9999px; opacity: 0; }

.contact-info__card {
  background: var(--gray-50);
  border: 1px solid var(--rule);
  padding: 32px;
  margin-bottom: 20px;
}
.contact-info__title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 12px;
}
.contact-info__text {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ============================================================
   FAQ PAGE
   ============================================================ */
.faq { background: var(--white); border-bottom: 1px solid var(--rule); }
.faq__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 80px 40px;
}
.faq__header { text-align: center; margin-bottom: 48px; }
.faq__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.faq-tab {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--rule);
  background: var(--white);
  color: var(--gray-400);
  cursor: pointer;
  transition: all .2s;
}
.faq-tab:hover { border-color: var(--green-bdr); color: var(--navy); }
.faq-tab.active { background: var(--green-bg); border-color: var(--green-bdr); color: var(--green); }

.faq-item {
  border: 1px solid var(--rule);
  margin-bottom: -1px;
}
.faq-item.hidden { display: none; }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--white);
  cursor: pointer;
  transition: background .2s;
}
.faq-question:hover { background: var(--gray-50); }
.faq-question__text {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--navy);
  line-height: 1.3;
}
.faq-question__icon {
  font-size: 20px;
  color: var(--gray-400);
  transition: transform .3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.open .faq-question__icon { transform: rotate(45deg); }
.faq-item.open .faq-question { background: var(--gray-50); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-answer__inner {
  padding: 0 24px 24px;
  font-size: 15px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.8;
}
.faq__cta {
  text-align: center;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .6s ease, transform .6s ease;
}
.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .6s ease, transform .6s ease;
}
.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.stagger-1 { transition-delay: .1s; }
.stagger-2 { transition-delay: .2s; }
.stagger-3 { transition-delay: .3s; }
.stagger-4 { transition-delay: .4s; }
.stagger-5 { transition-delay: .5s; }
.stagger-6 { transition-delay: .6s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-up, .slide-left, .slide-right { opacity: 1; transform: none; }
  body { animation: none; opacity: 1; }
}

/* ============================================================
   RESPONSIVE — TABLET (≤900px)
   ============================================================ */
@media (max-width: 900px) {
  h1 { font-size: 38px; }
  h2 { font-size: 31px; }
  .section { padding: 56px 24px; }

  /* Header */
  .header__logo-icon { height: 54px; }
  .header--scrolled .header__logo-icon { height: 38px; }
  .header__logo-name { font-size: 22px; }
  .header__logo-usa { font-size: 17px; }
  .header__logo-tagline { font-size: 8px; letter-spacing: 1.8px; }
  .header__nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    padding: 24px 40px;
    gap: 16px;
    box-shadow: 0 8px 24px rgba(11,30,63,.08);
  }
  .header__nav.open { display: flex; }
  .header__hamburger { display: flex; }
  .header__cta { display: none; }
  .header__dropdown:hover .mega-menu { display: none; }
  .header__chevron { display: none; }

  /* Hero */
  .hero__inner { padding: 72px 32px 64px; }
  .hero__badges { gap: 0; }
  .hero__badge { font-size: 9px; padding: 4px 10px; }

  /* Authority */
  .authority__inner { padding: 48px 24px; }
  .stat-card { width: calc(50% - 10px); padding: 24px; }
  .stat-card__value { font-size: 42px; }

  /* Compounds */
  .compounds__inner { padding: 56px 24px; }
  .compound-card { width: calc(50% - 10px); }
  .compounds__grid--collapsed { max-height: 380px; }

  /* Education */
  .education__inner { padding: 56px 24px; }
  .education__row { flex-direction: column; gap: 32px; }
  .education__left { width: 100%; }
  .education__accent { width: 100%; min-height: 6px; }
  .education__right { width: 100%; }

  /* Video */
  .video-section__inner { padding: 56px 24px; }
  .video-section__row { flex-direction: column; gap: 32px; }
  .video-section__player { min-width: 100%; }
  .video-section__learn { width: 100%; }

  /* Lab */
  .lab__inner { padding: 56px 24px; }
  .lab__row { gap: 0; flex-direction: column; }
  .lab__left { width: 100%; padding-bottom: 40px; }
  .lab__right { width: 100%; }
  .lab-panel { padding: 40px 28px; }
  .lab-panel h2 { font-size: 26px; }

  /* Shop */
  .shop-card { width: calc(50% - 12px); }
  .shop-hero { padding: 48px 24px; }
  .shop-filters { padding: 16px 24px; }
  .shop-grid { padding: 40px 24px 64px; }

  /* Mega Menu */
  .mega-menu {
    position: fixed;
    top: var(--header-h);
    left: 0 !important;
    right: 0;
    transform: none;
    width: 100% !important;
    max-width: 100%;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .mega-menu__inner { flex-wrap: wrap; }
  .mega-menu__col { width: calc(50% - 1px); flex: none; min-width: 0; }
  .mega-menu__col--cta { width: 100%; max-width: 100%; min-width: 0; }
  .mega-menu__item-name { white-space: normal; }

  /* Product */
  .product-hero__inner { padding: 32px 24px; }
  .product-hero__gallery { width: 100%; }
  .product-hero__info { width: 100%; }
  .product-hero__info h1 { font-size: 34px; }
  .why-card { width: 100%; }
  .why-section__header { gap: 24px; }
  .why-section__header-left { width: 100%; }
  .why-section__header-right { width: 100%; }
  .sizes-grid { flex-direction: column; }
  .size-card { width: 100%; }
  .related__grid { flex-direction: column; }

  /* Write-up sections */
  .research-app-card { width: calc(50% - 10px); }
  .research-apps__inner { padding: 56px 24px; }
  .designed-for__inner { padding: 56px 24px; }
  .designed-for__header { gap: 24px; }
  .designed-for__header-left { width: 100%; }
  .designed-for__header-right { width: 100%; }
  .protocol-context__inner { padding: 56px 24px; }
  .brand-values__inner { padding: 56px 24px; }
  .brand-values__grid { flex-wrap: wrap; }
  .brand-value-card { width: calc(50% - 10px); flex: none; }

  /* About */
  .about-hero { padding: 60px 30px; }
  .about-hero__text { font-size: 17px; }
  .founder__inner { padding: 56px 24px; }
  .founder__row { gap: 40px; }
  .founder__left, .founder__right { width: 100%; }
  .pillars__inner { padding: 60px 24px; }
  .pillar-card { width: 100%; }

  /* Contact */
  .contact__inner { padding: 56px 24px; }
  .contact__row { flex-direction: column; gap: 40px; }
  .contact__form-wrap, .contact__info { width: 100%; }

  /* FAQ */
  .faq__inner { padding: 56px 24px; }

  /* Footer */
  .footer__inner { padding: 48px 24px 24px; }
  .footer__top { gap: 32px; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤600px)
   ============================================================ */
@media (max-width: 600px) {
  h1 { font-size: 30px; }
  h2 { font-size: 26px; }
  .section { padding: 40px 16px; }

  .header__inner { padding: 10px 16px; }
  .header__logo { gap: 8px; }
  .header__logo-icon { height: 40px; }
  .header--scrolled .header__logo-icon { height: 34px; }
  .header__logo-name { font-size: 17px; }
  .header__logo-usa { font-size: 13px; }
  .header__logo-tagline { font-size: 0; opacity: 0; height: 0; overflow: hidden; }
  .header__logo-text { gap: 1px; }
  .header__nav { padding: 20px; }

  .hero__inner { padding: 56px 20px; }
  .hero__badges { flex-direction: column; align-items: center; gap: 4px; }
  .hero__badge { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); padding: 8px 16px; }
  .hero__badge:last-child { border-bottom: none; }

  .authority__inner { padding: 40px 16px; }
  .stat-card { width: 100%; }
  .stat-card__value { font-size: 38px; }

  .compounds__inner { padding: 40px 16px; }
  .compounds__header-left { max-width: 100%; }
  .compound-card { width: 100%; }
  .compounds__grid--collapsed { max-height: 420px; }

  .education__inner { padding: 40px 16px; }
  .education__pill { min-width: 100%; }

  .video-section__inner { padding: 40px 16px; }
  .video-play-btn { width: 60px; height: 60px; }

  .lab__inner { padding: 40px 16px; }
  .lab-panel { padding: 32px 20px; }
  .lab-panel h2 { font-size: 24px; }

  .shop-hero { padding: 40px 20px; }
  .shop-filters { padding: 12px 16px; }
  .shop-grid { padding: 32px 16px 48px; }
  .shop-card { width: 100%; }

  .product-hero__inner { padding: 24px 20px; gap: 32px; }
  .product-hero__info h1 { font-size: 30px; }

  .why-section__inner,
  .sizes-section__inner { padding: 56px 20px; }

  /* Write-up sections mobile */
  .research-app-card { width: 100%; }
  .research-apps__inner { padding: 48px 20px; }
  .designed-for__inner { padding: 48px 20px; }
  .designed-for__item { padding: 20px; gap: 14px; }
  .protocol-context__inner { padding: 48px 20px; }
  .brand-values__grid { flex-direction: column; }
  .brand-value-card { width: 100%; }
  .brand-values__inner { padding: 48px 20px; }

  /* Mega menu mobile */
  .mega-menu__col { width: 100% !important; border-right: none; border-bottom: 1px solid var(--rule); padding: 16px 20px; }
  .mega-menu__col--cta { display: none; }
  .mega-menu__heading { white-space: normal; }
  .mega-menu__item-name { font-size: 14px; }

  .about-hero { padding: 50px 20px; }
  .about-hero__text { font-size: 16px; }
  .founder__inner { padding: 48px 20px; }
  .founder-card { padding: 28px 24px; }
  .pillars__inner { padding: 50px 20px; }
  .pillars__grid { gap: 16px; }

  .contact__inner { padding: 48px 20px; }
  .faq__inner { padding: 48px 20px; }

  .footer__inner { padding: 40px 20px 20px; }

  .breadcrumb { padding: 10px 20px; }
}
