/*
Theme Name: Axon MedChem
Theme URI: https://elitelabs.tech
Author: Custom Theme
Description: Professional medicinal chemistry & life science research theme inspired by Axon Medchem. Features clean scientific aesthetic with product catalog, research areas, and CRO services.
Version: 1.0.0
License: GNU General Public License v2 or later
Tags: science, pharmaceutical, chemistry, research, e-commerce
*/

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --color-navy:       #0a1628;
  --color-deep-blue:  #0d2244;
  --color-blue:       #1a3a6b;
  --color-accent:     #2a7fd4;
  --color-accent-light: #4fa3e8;
  --color-teal:       #00a99d;
  --color-teal-light: #1ec5b8;
  --color-white:      #ffffff;
  --color-off-white:  #f4f7fb;
  --color-light-gray: #e8edf4;
  --color-mid-gray:   #8a9ab5;
  --color-dark-gray:  #3a4a5c;
  --color-text:       #1c2b3a;
  --color-text-light: #5a6a7a;
  --color-border:     #dce4f0;
  --color-success:    #27ae60;
  --color-warning:    #e67e22;

  --font-display:  'Barlow Condensed', 'Oswald', sans-serif;
  --font-heading:  'Nunito Sans', 'Source Sans Pro', sans-serif;
  --font-body:     'Source Sans Pro', 'Nunito Sans', sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Mono', monospace;

  --shadow-sm:   0 1px 4px rgba(10,22,40,0.08);
  --shadow-md:   0 4px 16px rgba(10,22,40,0.12);
  --shadow-lg:   0 8px 32px rgba(10,22,40,0.18);
  --shadow-xl:   0 16px 56px rgba(10,22,40,0.22);

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   24px;

  --transition:  0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --max-width:   1280px;
  --header-h:    72px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-teal); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
}

h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }

p { margin-bottom: 1rem; color: var(--color-text-light); }
p:last-child { margin-bottom: 0; }

.section-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 0.5rem;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 120px 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.text-center { text-align: center; }
.text-white { color: var(--color-white) !important; }
.bg-navy { background: var(--color-navy); }
.bg-deep-blue { background: var(--color-deep-blue); }
.bg-off-white { background: var(--color-off-white); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover {
  background: #1a6bbf;
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(42,127,212,0.35);
}

.btn-teal {
  background: var(--color-teal);
  color: var(--color-white);
}
.btn-teal:hover {
  background: #008f84;
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,169,157,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.8rem; }

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 1.25rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-teal));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg { fill: white; }

.logo-text { font-family: var(--font-display); }
.logo-text strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-navy);
  line-height: 1;
  text-transform: uppercase;
}
.logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-teal);
}

/* Main Nav */
.main-nav { display: flex; align-items: center; gap: 0; flex: 1; }

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-menu > li { position: relative; }

.nav-menu > li > a {
  display: block;
  padding: 0.55rem 0.7rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a {
  color: var(--color-accent);
}

/* Dropdown */
.nav-menu .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  padding: 0.5rem 0;
  z-index: 100;
}

.nav-menu li:hover > .sub-menu { display: block; animation: fadeDown 0.2s ease; }

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-menu .sub-menu li a {
  display: block;
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  transition: all var(--transition);
}
.nav-menu .sub-menu li a:hover {
  background: var(--color-off-white);
  color: var(--color-accent);
  padding-left: 1.6rem;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-search {
  display: flex;
  align-items: center;
  background: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  gap: 0.4rem;
}

.header-search input {
  border: none;
  background: transparent;
  font-size: 0.85rem;
  width: 130px;
  outline: none;
  color: var(--color-text);
}

.header-search input::placeholder { color: var(--color-mid-gray); }

.header-search svg { color: var(--color-mid-gray); flex-shrink: 0; }

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-dark-gray);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-heading);
  transition: all var(--transition);
}
.cart-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }

.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--color-teal);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Top bar */
.top-bar {
  background: var(--color-navy);
  color: rgba(255,255,255,0.75);
  font-size: 0.78rem;
  padding: 0.35rem 0;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-bar a { color: rgba(255,255,255,0.75); }
.top-bar a:hover { color: var(--color-teal-light); }

.top-bar-links { display: flex; gap: 1.5rem; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  background: var(--color-deep-blue);
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 70% 50%, rgba(42,127,212,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 20% 80%, rgba(0,169,157,0.15) 0%, transparent 50%);
  pointer-events: none;
}

/* Molecular pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'%3E%3Ccircle cx='30' cy='30' r='10'/%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3Cline x1='0' y1='30' x2='60' y2='30'/%3E%3Cline x1='30' y1='0' x2='30' y2='60'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(42,127,212,0.2);
  border: 1px solid rgba(42,127,212,0.4);
  border-radius: 100px;
  padding: 0.3rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--color-teal);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-teal-light);
}

.hero p {
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.hero-image {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 45%;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-deep-blue) 0%, transparent 40%);
  z-index: 1;
}

/* ============================================================
   ANNOUNCEMENT BAR / PROMO
   ============================================================ */
.promo-bar {
  background: linear-gradient(90deg, var(--color-teal) 0%, var(--color-accent) 100%);
  padding: 0.6rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-white);
  font-weight: 600;
}

.promo-bar a { color: var(--color-white); text-decoration: underline; }

/* ============================================================
   SEARCH BAR SECTION
   ============================================================ */
.search-section {
  background: var(--color-off-white);
  border-bottom: 1px solid var(--color-border);
  padding: 1.2rem 0;
}

.compound-search {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color var(--transition);
  box-shadow: var(--shadow-sm);
}

.compound-search:focus-within { border-color: var(--color-accent); }

.search-type-select {
  border: none;
  border-right: 1px solid var(--color-border);
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  background: var(--color-off-white);
  color: var(--color-dark-gray);
  outline: none;
  cursor: pointer;
}

.compound-search input {
  flex: 1;
  border: none;
  padding: 0.7rem 1.2rem;
  font-size: 0.9rem;
  outline: none;
  color: var(--color-text);
}

.compound-search .btn { border-radius: 0; padding: 0.75rem 1.5rem; }

/* ============================================================
   CATEGORY TILES
   ============================================================ */
.category-tiles { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }

.category-tile {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 0.75rem;
  text-align: center;
  text-decoration: none;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.category-tile:hover {
  border-color: var(--color-accent);
  background: var(--color-off-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: var(--color-accent);
}

.category-tile-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.category-tile-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-dark-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

.category-tile:hover .category-tile-name { color: var(--color-accent); }

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
  margin-bottom: 3rem;
}

.section-header.centered { text-align: center; }

.section-header h2 { margin-bottom: 0.75rem; }

.section-header p {
  font-size: 1.05rem;
  max-width: 600px;
}
.section-header.centered p { margin-left: auto; margin-right: auto; }

.section-header .view-all {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}
.section-header .view-all:hover { color: var(--color-teal); }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-card-image {
  background: var(--color-off-white);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  position: relative;
  overflow: hidden;
}

/* Molecule placeholder SVG background */
.product-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='20' cy='20' r='6' fill='none' stroke='%23dce4f0' stroke-width='1.5'/%3E%3Ccircle cx='10' cy='10' r='3' fill='none' stroke='%23dce4f0' stroke-width='1'/%3E%3Ccircle cx='30' cy='10' r='3' fill='none' stroke='%23dce4f0' stroke-width='1'/%3E%3Ccircle cx='10' cy='30' r='3' fill='none' stroke='%23dce4f0' stroke-width='1'/%3E%3Ccircle cx='30' cy='30' r='3' fill='none' stroke='%23dce4f0' stroke-width='1'/%3E%3Cline x1='14' y1='14' x2='20' y2='14' stroke='%23dce4f0' stroke-width='1'/%3E%3Cline x1='26' y1='14' x2='20' y2='14' stroke='%23dce4f0' stroke-width='1'/%3E%3Cline x1='14' y1='26' x2='20' y2='26' stroke='%23dce4f0' stroke-width='1'/%3E%3Cline x1='26' y1='26' x2='20' y2='26' stroke='%23dce4f0' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 40px 40px;
  opacity: 0.6;
}

.product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  background: var(--color-accent);
  color: white;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
}

.product-badge.new { background: var(--color-teal); }
.product-badge.featured { background: var(--color-warning); }

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

.product-axon-id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-mid-gray);
  margin-bottom: 0.3rem;
}

.product-card-body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.product-card-body h4 a {
  color: inherit;
  text-decoration: none;
}
.product-card-body h4 a:hover { color: var(--color-accent); }

.product-targets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.target-tag {
  font-size: 0.68rem;
  font-weight: 600;
  background: var(--color-light-gray);
  color: var(--color-dark-gray);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-purity {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: auto;
  margin-bottom: 0.5rem;
}

.product-purity strong { color: var(--color-success); }

.product-card-footer {
  border-top: 1px solid var(--color-border);
  padding: 0.85rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
}

.product-price .currency { font-size: 0.75rem; vertical-align: super; }

/* ============================================================
   RESEARCH AREAS
   ============================================================ */
.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.research-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  display: block;
}

.research-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.research-card-header {
  padding: 1.8rem 1.5rem 1.2rem;
  position: relative;
}

.research-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.research-card h3 {
  font-size: 1.05rem;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.research-card p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

.research-card-footer {
  padding: 0.9rem 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   SERVICES / CRO SECTION
   ============================================================ */
.services-section {
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.services-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(42,127,212,0.18) 0%, transparent 55%);
  pointer-events: none;
}

.services-section .section-header h2,
.services-section .section-header p { color: var(--color-white); }
.services-section .section-header p { color: rgba(255,255,255,0.65); }
.services-section .section-label { color: var(--color-teal-light); }

.service-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.service-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(42,127,212,0.5);
  transform: translateY(-4px);
}

.service-card-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(42,127,212,0.3), rgba(0,169,157,0.3));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

.service-card h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.service-card a {
  color: var(--color-teal-light);
  font-size: 0.85rem;
  font-weight: 600;
}
.service-card a:hover { color: var(--color-white); }

/* ============================================================
   QUALITY / TRUST BADGES
   ============================================================ */
.trust-section {
  background: var(--color-off-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 0;
}

.trust-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

.trust-item { text-align: center; }

.trust-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}

.trust-item h4 {
  font-size: 0.9rem;
  color: var(--color-navy);
  margin-bottom: 0.3rem;
}

.trust-item p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin: 0;
}

/* ============================================================
   FEATURED COLLECTIONS / PATHWAYS
   ============================================================ */
.pathway-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.pathway-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  text-decoration: none;
  transition: all var(--transition);
}

.pathway-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pathway-count {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-light-gray);
  line-height: 1;
  flex-shrink: 0;
  min-width: 60px;
}

.pathway-card:hover .pathway-count { color: var(--color-accent); opacity: 0.3; }

.pathway-info h3 {
  font-size: 1rem;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.pathway-info p {
  font-size: 0.83rem;
  color: var(--color-text-light);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.pathway-products {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   PROMO BANNER (CATALOG DOWNLOAD)
   ============================================================ */
.catalog-banner {
  background: linear-gradient(135deg, #0d2244 0%, #1a3a6b 50%, #0d2244 100%);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

.catalog-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: 100px;
  width: 300px;
  height: 300px;
  border: 60px solid rgba(0,169,157,0.1);
  border-radius: 50%;
  pointer-events: none;
}

.catalog-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: 0;
  width: 200px;
  height: 200px;
  border: 40px solid rgba(42,127,212,0.1);
  border-radius: 50%;
  pointer-events: none;
}

.catalog-banner-content { position: relative; z-index: 1; }
.catalog-banner-content .section-label { color: var(--color-teal-light); }
.catalog-banner-content h2 { color: var(--color-white); max-width: 480px; }
.catalog-banner-content p { color: rgba(255,255,255,0.65); margin-top: 0.75rem; }
.catalog-banner-actions { position: relative; z-index: 1; flex-shrink: 0; display: flex; flex-direction: column; gap: 0.75rem; }

/* ============================================================
   NEWS / PUBLICATIONS
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.news-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.news-card-image {
  height: 180px;
  background: var(--color-light-gray);
  overflow: hidden;
}

.news-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.news-card:hover .news-card-image img { transform: scale(1.05); }

.news-card-body { padding: 1.4rem; }

.news-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-mid-gray);
  margin-bottom: 0.7rem;
}

.news-category {
  background: var(--color-light-gray);
  color: var(--color-accent);
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.news-card-body h4 {
  font-size: 0.95rem;
  color: var(--color-navy);
  line-height: 1.4;
  margin-bottom: 0.6rem;
}

.news-card-body h4 a { color: inherit; }
.news-card-body h4 a:hover { color: var(--color-accent); }

.news-card-body p {
  font-size: 0.83rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-section { background: var(--color-off-white); }

.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 4rem;
  line-height: 1;
  color: var(--color-light-gray);
  font-family: Georgia, serif;
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1rem;
  color: #f4b942;
  font-size: 0.85rem;
}

.testimonial-card blockquote {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 1.2rem;
  font-style: italic;
}

.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-teal));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.testimonial-name { font-size: 0.88rem; font-weight: 700; color: var(--color-navy); }
.testimonial-affiliation { font-size: 0.75rem; color: var(--color-mid-gray); }

/* ============================================================
   PARTNERS / LOGOS
   ============================================================ */
.partners-section {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}

.partners-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  margin-bottom: 2rem;
}

.partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.partner-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-light-gray);
  filter: grayscale(1);
  opacity: 0.5;
  transition: all var(--transition);
}
.partner-logo:hover { opacity: 0.8; filter: grayscale(0.3); color: var(--color-mid-gray); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.65);
}

.footer-main {
  padding: 4rem 0 2.5rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand { }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 1.2rem;
}

.footer-logo strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.55);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.6rem;
}

.social-link {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-white);
  background: rgba(42,127,212,0.2);
}

.footer-col h5 {
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }

.footer-links li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links li a:hover { color: var(--color-teal-light); }

.footer-contact-item {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.55);
  align-items: flex-start;
}

.footer-contact-icon {
  color: var(--color-teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: rgba(255,255,255,0.35); }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.65); }

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter-form {
  display: flex;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.2);
  margin-top: 1.2rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.65rem 1rem;
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--color-white);
  font-size: 0.83rem;
  outline: none;
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.35); }

.newsletter-form button {
  padding: 0.65rem 1.2rem;
  background: var(--color-teal);
  border: none;
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font-heading);
  transition: background var(--transition);
}
.newsletter-form button:hover { background: var(--color-teal-light); }

/* ============================================================
   RESEARCH AREAS / IMAGE CARD GRID (capabilities page)
   ============================================================ */
.el-area-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.el-image-card {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--color-navy);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.el-image-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,0.15) 0%, rgba(10,22,40,0.55) 55%, rgba(10,22,40,0.92) 100%);
  transition: background var(--transition);
}

.el-image-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(10,22,40,0.18);
}

.el-image-card:hover::before {
  background: linear-gradient(180deg, rgba(10,22,40,0.25) 0%, rgba(10,22,40,0.65) 50%, rgba(10,22,40,0.95) 100%);
}

.el-image-card .overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: var(--color-white);
  z-index: 1;
}

.el-image-card .overlay h3 {
  color: var(--color-white);
  margin: 0 0 0.5rem 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
}

.el-image-card .overlay p {
  color: rgba(255,255,255,0.82);
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0;
}

.el-kicker2 {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-teal-light);
  margin-bottom: 0.6rem;
}

@media (max-width: 900px) {
  .el-area-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}

@media (max-width: 560px) {
  .el-area-grid { grid-template-columns: 1fr; gap: 1rem; }
  .el-image-card { aspect-ratio: 16 / 10; }
}

/* ============================================================
   WOOCOMMERCE OVERRIDES
   ============================================================ */
.woocommerce ul.products li.product .price { color: var(--color-navy); font-family: var(--font-heading); }
.woocommerce .button, .woocommerce button.button {
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  transition: all var(--transition);
}
.woocommerce .button:hover, .woocommerce button.button:hover {
  background: #1a6bbf;
  color: white;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1280px) {
  .header-search { display: none; }
}

@media (max-width: 1180px) {
  .header-actions .btn-sm { display: none; }
}

@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .category-tiles { grid-template-columns: repeat(4, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .header-inner { gap: 1rem; }
}

@media (max-width: 900px) {
  .hero-image { display: none; }
  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .service-cards { grid-template-columns: repeat(2, 1fr); }
  .trust-items { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-banner { flex-direction: column; text-align: center; }
  .pathway-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* Prevent horizontal overflow */
  html, body { overflow-x: hidden; max-width: 100%; }
  .container { padding: 0 1rem; }

  /* Navigation */
  .mobile-toggle { display: flex; }
  .main-nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--color-white); border-bottom: 1px solid var(--color-border); flex-direction: column; padding: 1rem; }
  .main-nav.open { display: flex; }
  .nav-menu { flex-direction: column; gap: 0.25rem; width: 100%; }
  .nav-menu .sub-menu { position: static; box-shadow: none; border: none; background: var(--color-off-white); padding-left: 1rem; display: none; }
  .header-search { display: none; }
  .header-actions .btn-sm { display: none; }

  /* Top bar */
  .top-bar-links { display: none; }

  /* Hero */
  .hero { min-height: 400px; padding: 2.5rem 0; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }

  /* Search bar — stack vertically */
  .compound-search { flex-direction: column; }
  .search-type-select { border-right: none; border-bottom: 1px solid var(--color-border); width: 100%; }
  .compound-search .btn { width: 100%; justify-content: center; border-radius: 0; }

  /* Section padding */
  .section { padding: 48px 0; }
  .section-lg { padding: 64px 0; }
  .section-sm { padding: 32px 0; }

  /* Grid utilities */
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  /* Products */
  .category-tiles { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  /* Top bar — fully hide */
  .top-bar { display: none; }

  /* Hero */
  .hero { min-height: auto; padding: 2.5rem 0; }
  .hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .hero-actions { flex-direction: column; }

  /* Section padding */
  .section { padding: 36px 0; }
  .section-lg { padding: 48px 0; }
  .section-sm { padding: 24px 0; }

  /* Grid utilities */
  .grid-4 { grid-template-columns: 1fr; }

  /* Products & content grids */
  .category-tiles { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .trust-items { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr; }
  .service-cards { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-main { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .footer-bottom-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   SINGLE PRODUCT PAGE
   ============================================================ */
.product-hero { padding: 3rem 0; background: var(--color-off-white); border-bottom: 1px solid var(--color-border); }
.product-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.product-structure-image { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; text-align: center; }

.product-info-meta { display: flex; flex-direction: column; gap: 1rem; }
.meta-table { width: 100%; border-collapse: collapse; }
.meta-table td { padding: 0.6rem 0; border-bottom: 1px solid var(--color-border); font-size: 0.88rem; }
.meta-table td:first-child { font-weight: 600; color: var(--color-dark-gray); width: 40%; }
.meta-table td:last-child { color: var(--color-text); }

/* Breadcrumbs */
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; color: var(--color-mid-gray); margin-bottom: 1rem; }
.breadcrumb a { color: var(--color-mid-gray); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-sep { color: var(--color-light-gray); }

/* ============================================================
   PAGE TEMPLATES
   ============================================================ */
.page-hero {
  background: var(--color-deep-blue);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(42,127,212,0.2) 0%, transparent 55%);
}

.page-hero h1 { color: var(--color-white); position: relative; z-index: 1; }
.page-hero p { color: rgba(255,255,255,0.65); position: relative; z-index: 1; margin-top: 0.75rem; font-size: 1.1rem; }