/* ============================================================
   TRUE TIDE RESEARCH — Global Stylesheet
   Brand: Navy #0B2545 | Accent #1FB587 | Blue #2EA3D6
   Design Language: Clinical · Precise · Institutional
   ============================================================ */

:root {
  --navy:       #0B2545;
  --navy-dark:  #071a33;
  --navy-light: #132f55;
  --green:      #1FB587;
  --green-dark: #179a72;
  --blue:       #2EA3D6;
  --gradient:   linear-gradient(135deg, #1FB587 0%, #2EA3D6 100%);
  --gradient-h: linear-gradient(135deg, #179a72 0%, #2390c0 100%);
  --white:      #FDFCF9;         /* warm white — not cold */
  --off-white:  #F4EFE6;         /* linen beige — section backgrounds */
  --light-gray: #EAE4D9;         /* warm sand — input fills, img backgrounds */
  --mid-gray:   #9A9080;         /* warm stone — secondary text */
  --dark-gray:  #4A4035;         /* warm dark — body text */
  --text:       #2A2218;         /* deep warm brown — headings */
  --border:     #D6CFC3;         /* warm stone border */
  --border-dark: #BDB5A8;        /* darker warm border */
  --shadow-sm:  0 1px 2px rgba(42,34,24,.06);
  --shadow-md:  0 2px 8px rgba(42,34,24,.08);
  --shadow-lg:  0 4px 20px rgba(42,34,24,.11);
  /* Zero decorative radius — straight lines throughout */
  --radius-sm:  0px;
  --radius-md:  0px;
  --radius-lg:  0px;
  --font-sans:  'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:  'JetBrains Mono', 'Courier New', monospace;
  --transition: .15s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); color: var(--text); background: var(--white); line-height: 1.6; }
/* Warm paper texture on alternating sections */
.section-alt { background: var(--off-white) !important; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ── Announce Bar ── */
.announce-bar {
  background: var(--navy-dark);
  color: rgba(255,255,255,.7);
  font-size: .74rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 8px 0;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

/* ── Top Bar ── */
.top-bar {
  background: var(--navy-dark);
  color: rgba(255,255,255,.55);
  font-size: .75rem;
  letter-spacing: .02em;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.top-bar a { color: rgba(255,255,255,.7); }
.top-bar a:hover { color: var(--green); }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-links { display: flex; gap: 24px; }

/* ── Header ── */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--green);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.2rem;
  color: white;
  letter-spacing: -1px;
  flex-shrink: 0;
}
.logo-text { color: var(--white); }
.logo-text strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .12em;
  line-height: 1.1;
  text-transform: uppercase;
}
.logo-text span {
  font-size: .62rem;
  letter-spacing: .18em;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  font-weight: 400;
}

/* Search */
.header-search {
  flex: 1;
  max-width: 440px;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: 9px 40px 9px 14px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 0;
  font-size: .85rem;
  background: rgba(255,255,255,.06);
  color: white;
  outline: none;
  transition: background var(--transition), border-color var(--transition);
  letter-spacing: .02em;
}
.header-search input::placeholder { color: rgba(255,255,255,.35); }
.header-search input:focus {
  background: rgba(255,255,255,.1);
  border-color: var(--green);
}
.header-search button {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,.4);
  font-size: .9rem;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.header-actions a {
  color: rgba(255,255,255,.7);
  font-size: .75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: color var(--transition), background var(--transition);
}
.header-actions a:hover { color: white; background: rgba(255,255,255,.06); }
.cart-btn { position: relative; }
.cart-count {
  position: absolute;
  top: 4px;
  right: 8px;
  background: var(--green);
  color: white;
  font-size: .6rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ── Main Nav ── */
.main-nav {
  background: var(--navy-light);
  border-top: 1px solid rgba(255,255,255,.05);
}
.nav-list { display: flex; align-items: stretch; }
.nav-list > li { position: relative; }
.nav-list > li > a {
  display: block;
  padding: 12px 20px;
  color: rgba(255,255,255,.7);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  border-right: 1px solid rgba(255,255,255,.04);
}
.nav-list > li > a:hover,
.nav-list > li.active > a {
  background: rgba(255,255,255,.05);
  color: white;
  border-bottom: 2px solid var(--green);
  margin-bottom: -2px;
}

/* ── Mega Menu ── */
.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 640px;
  background: white;
  border: 1px solid var(--border);
  border-top: 2px solid var(--green);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  z-index: 900;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.nav-list > li:hover .mega-menu { display: grid; }
.mega-col h4 {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--navy);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.mega-col a {
  display: block;
  padding: 5px 0;
  font-size: .83rem;
  color: var(--dark-gray);
  transition: color var(--transition), padding-left var(--transition);
  border-left: 2px solid transparent;
  padding-left: 8px;
}
.mega-col a:hover {
  color: var(--navy);
  border-left-color: var(--green);
  padding-left: 12px;
}

/* ── Container ── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ── Hero ── */

/* ══════════════════════════════════════════
   STATIC HERO (replaces carousel)
══════════════════════════════════════════ */
.hero-static {
  position: relative;
  background: #ffffff;
  border-bottom: 2px solid var(--border);
  overflow: hidden;
  padding: 72px 0 64px;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11,37,69,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,37,69,.06) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
  z-index: 0;
}
.hero-static-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 64px;
}
.hero-static-content {
  flex: 1;
  min-width: 0;
}
.hero-pill {
  display: inline-block;
  background: var(--off-white);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 6px 14px;
  margin-bottom: 22px;
}
.hero-static-h1 {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.06;
  color: var(--text);
  letter-spacing: -.02em;
  margin-bottom: 18px;
}
.hero-green {
  color: var(--green);
}
.hero-static-sub {
  font-size: .95rem;
  color: var(--dark-gray);
  line-height: 1.8;
  max-width: 500px;
  margin-bottom: 28px;
}
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--off-white);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 6px 12px;
}
.hero-chip svg {
  color: var(--green);
  flex-shrink: 0;
}
.hero-static-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.btn-ghost {
  font-size: .82rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid var(--border);
  padding-bottom: 2px;
  letter-spacing: .04em;
  transition: border-color .2s;
}
.btn-ghost:hover { border-color: var(--text); }

/* Right column */
.hero-static-right {
  flex-shrink: 0;
  width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.hero-logo-wrap {
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid var(--border);
  padding: 16px;
}
.hero-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.hero-stat-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
}
.hero-stat-card {
  background: var(--navy);
  padding: 14px 12px;
  text-align: center;
}
.hsc-num {
  font-size: 1.5rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -.02em;
  line-height: 1;
}
.hsc-num span {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green);
}
.hsc-label {
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .hero-static-inner { flex-direction: column; gap: 32px; }
  .hero-static-right { width: 100%; }
  .hero-logo-wrap { width: 120px; height: 120px; }
  .hero-static-h1 { font-size: 2rem; }
}

.hero {
  background: #ffffff;
  color: var(--text);
  position: relative;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  align-items: center;
  border-bottom: 2px solid var(--border);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: none;
  opacity: .07;
}
/* Structural grid overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: linear-gradient(rgba(11,37,69,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(11,37,69,.08) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  padding: 80px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--off-white);
  border: 1px solid var(--border);
  
  color: var(--text);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 0;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 20px;
  letter-spacing: -.01em;
}
.hero h1 em {
  font-style: normal;
  color: var(--green);
  background: none;
  -webkit-text-fill-color: var(--green);
}
.hero p {
  font-size: 1rem;
  color: var(--dark-gray);
  margin-bottom: 36px;
  line-height: 1.75;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 0;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--green);
  color: white;
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  box-shadow: 0 0 0 2px rgba(31,181,135,.25);
}
.btn-outline {
  background: transparent;
  border-color: var(--navy);
  color: rgba(255,255,255,.8);
}
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn-sm { padding: 8px 16px; font-size: .75rem; }
.btn-dark { background: var(--navy); color: white; border-color: var(--navy); }
.btn-dark:hover { background: var(--navy-light); border-color: var(--navy-light); }

/* ── Trust Strip ── */
.trust-strip {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.trust-items {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 24px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--dark-gray);
  border-right: 1px solid var(--border);
  letter-spacing: .02em;
}
.trust-item:last-child { border-right: none; }
.trust-item .ti-icon {
  width: 36px;
  height: 36px;
  border-radius: 0;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
}
.trust-item .ti-icon svg {
  display: block;
  flex-shrink: 0;
}

/* ── Section ── */
.section { padding: 64px 0; }
.section-alt { background: var(--off-white); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.section-header p {
  color: var(--mid-gray);
  font-size: .9rem;
  max-width: 500px;
  margin: 0 auto;
  letter-spacing: .02em;
}
.section-header .underline {
  display: inline-block;
  height: 3px;
  width: 40px;
  background: var(--green);
  margin: 14px auto 0;
}

/* ── Category Grid ── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.cat-card {
  background: var(--white);
  padding: 28px 20px;
  text-align: center;
  transition: background var(--transition);
  cursor: pointer;
  display: block;
  border: none;
  border-radius: 0;
  box-shadow: none;
  border-bottom: 3px solid transparent;
}
.cat-card:hover {
  background: var(--light-gray);
  border-bottom-color: var(--green);
}
.cat-icon {
  width: 56px;
  height: 56px;
  border-radius: 0;
  background: var(--navy);
  border-left: 3px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: #ffffff;
}
.cat-icon svg {
  display: block;
  flex-shrink: 0;
}
.cat-card h3 {
  font-size: .82rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.cat-card p { font-size: .76rem; color: var(--mid-gray); line-height: 1.5; }
.cat-count {
  display: inline-block;
  margin-top: 10px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(31,181,135,.08);
  padding: 2px 8px;
  border-radius: 0;
  border: 1px solid rgba(31,181,135,.2);
}

/* ── Product Cards ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}
.product-card {
  background: var(--white);
  border: none;
  border-radius: 0;
  overflow: hidden;
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
  border-bottom: 3px solid transparent;
}
.product-card:hover {
  background: var(--off-white);
  border-bottom-color: var(--green);
  box-shadow: none;
}
.product-img {
  background: #ffffff;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.product-badge {
  position: absolute;
  top: 0;
  left: 0;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 4px 10px;
  border-radius: 0;
}
.badge-bestseller { background: var(--navy); color: white; }
.badge-new { background: var(--green); color: white; }
.badge-research { background: var(--light-gray); color: var(--navy); border-bottom: 1px solid var(--border); }
.product-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.product-category {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--green);
  margin-bottom: 6px;
}
.product-name {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-blurb {
  font-size: .78rem;
  color: var(--dark-gray);
  line-height: 1.6;
  margin-bottom: 14px;
  flex: 1;
}
.product-pricing { display: flex; align-items: baseline; gap: 6px; margin-bottom: 14px; }
.price-from { font-size: .68rem; color: var(--mid-gray); letter-spacing: .04em; text-transform: uppercase; }
.price-amount { font-size: 1.15rem; font-weight: 800; color: var(--navy); }
.price-unit { font-size: .7rem; color: var(--mid-gray); }
.product-actions { display: flex; gap: 0; border-top: 1px solid var(--border); margin: 0 -16px -16px; }
.btn-cart {
  flex: 1;
  background: var(--navy);
  color: white;
  border: none;
  border-radius: 0;
  padding: 10px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: background var(--transition);
}
.btn-cart:hover { background: var(--green); }
.btn-view {
  border: none;
  border-left: 1px solid rgba(255,255,255,.15);
  border-radius: 0;
  padding: 10px 14px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  background: var(--navy);
  transition: background var(--transition), color var(--transition);
}
.btn-view:hover { background: var(--green); color: white; }

/* ── Research Banner ── */
.research-banner {
  background: var(--navy);
  color: white;
  padding: 48px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.research-inner { display: flex; align-items: center; gap: 48px; }
.research-text { flex: 1; }
.research-text h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.research-text p { color: rgba(255,255,255,.6); font-size: .88rem; line-height: 1.75; }
.research-disclaimer {
  flex: 1;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-left: 3px solid var(--green);
  padding: 20px 24px;
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  line-height: 1.75;
}
.research-disclaimer strong { color: rgba(255,255,255,.8); }

/* ── Features Grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  background: var(--border);
}
.feature-item {
  text-align: left;
  padding: 32px 28px;
  background: var(--white);
  border-left: 3px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.feature-item:hover {
  border-left-color: var(--green);
  background: var(--off-white);
}
/* Mega menu warm background */
.mega-menu { background: var(--white); }
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--navy);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  color: var(--green);
  border: none;
}
.feature-item h3 {
  font-size: .88rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.feature-item p { font-size: .83rem; color: var(--dark-gray); line-height: 1.65; }

/* ── Footer ── */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,.6);
  padding: 64px 0 0;
  border-top: 3px solid var(--green);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: .82rem; line-height: 1.75; margin-bottom: 20px; }
.footer-social { display: flex; gap: 4px; }
.social-btn {
  width: 34px;
  height: 34px;
  border-radius: 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  transition: all var(--transition);
  font-size: .85rem;
}
.social-btn:hover { background: var(--green); color: white; border-color: var(--green); }
.footer-col h4 {
  color: rgba(255,255,255,.9);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: .82rem;
  color: rgba(255,255,255,.45);
  transition: color var(--transition);
  letter-spacing: .01em;
}
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .73rem;
  flex-wrap: wrap;
  gap: 12px;
  letter-spacing: .02em;
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,.35); transition: color var(--transition); }
.footer-bottom-links a:hover { color: rgba(255,255,255,.7); }

/* ── Cart Sidebar ── */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  height: 100%;
  background: var(--white);
  z-index: 2001;
  transform: translateX(100%);
  transition: transform .25s ease;
  display: flex;
  flex-direction: column;
  border-left: 3px solid var(--green);
}
.cart-overlay.open .cart-drawer { transform: translateX(0); }
.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--navy);
}
.cart-header h3 {
  font-size: .8rem;
  font-weight: 700;
  color: white;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.cart-close {
  width: 28px;
  height: 28px;
  border-radius: 0;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  transition: all var(--transition);
  font-size: .85rem;
}
.cart-close:hover { background: rgba(255,255,255,.2); color: white; }
.cart-items { flex: 1; overflow-y: auto; padding: 16px 20px; }
.cart-item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-img {
  width: 56px;
  height: 56px;
  border-radius: 0;
  background: var(--light-gray);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.cart-item-info { flex: 1; }
.cart-item-name {
  font-size: .85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 3px;
  letter-spacing: .01em;
}
.cart-item-variant { font-size: .72rem; color: var(--mid-gray); margin-bottom: 8px; }
.cart-item-bottom { display: flex; justify-content: space-between; align-items: center; }
.cart-item-price { font-size: .9rem; font-weight: 800; color: var(--navy); }
.qty-controls { display: flex; align-items: center; gap: 0; border: 1px solid var(--border); }
.qty-btn {
  width: 26px;
  height: 26px;
  border-radius: 0;
  background: var(--light-gray);
  font-size: .9rem;
  color: var(--dark-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  border: none;
}
.qty-btn:hover { background: var(--navy); color: white; }
.qty-num {
  font-size: .82rem;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 4px;
}
.cart-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.cart-subtotal {
  display: flex;
  justify-content: space-between;
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.cart-note {
  font-size: .7rem;
  color: var(--mid-gray);
  margin-bottom: 12px;
  text-align: center;
  letter-spacing: .02em;
}
.btn-checkout {
  display: block;
  width: 100%;
  background: var(--green);
  color: white;
  border: none;
  border-radius: 0;
  padding: 13px;
  font-size: .78rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: background var(--transition);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.btn-checkout:hover { background: var(--green-dark); }
.btn-view-cart {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 11px;
  font-size: .75rem;
  font-weight: 700;
  text-align: center;
  color: var(--dark-gray);
  margin-top: 8px;
  transition: all var(--transition);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.btn-view-cart:hover { border-color: var(--navy); color: var(--navy); background: var(--off-white); }

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .75rem;
  color: var(--mid-gray);
  letter-spacing: .03em;
}
.breadcrumb a { color: var(--dark-gray); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb span { color: var(--border-dark); }

/* ── Page Header (inner pages) ── */
.page-header {
  background: var(--navy);
  color: white;
  padding: 40px 0;
  border-bottom: 2px solid var(--green);
}
.page-header h1 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.page-header p { color: rgba(255,255,255,.55); font-size: .88rem; }

/* ── Utility ── */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; clip: rect(0 0 0 0); overflow: hidden; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .top-bar .container { flex-direction: column; gap: 4px; }
  .header-inner { flex-wrap: wrap; }
  .header-search { order: 3; flex-basis: 100%; max-width: 100%; }
  .main-nav { display: none; }
  .hero h1 { font-size: 1.9rem; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .research-inner { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-items { justify-content: flex-start; }
  .trust-item { border-right: none; border-bottom: 1px solid var(--border); width: 100%; }
  .trust-item:last-child { border-bottom: none; }
  .cart-drawer { width: 100%; }
}
@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr 1fr; gap: 1px; }
  .products-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
}
