/* ================================================
   INJECTION SUPPLIES — CLINICAL PREMIUM THEME
   Design Mockup v1.0 — 2026-03-25
   ================================================ */

/* ----- Custom Properties ----- */
:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F7FA;
  --color-bg-dark: #0B1D2E;
  --color-text: #1A2332;
  --color-text-muted: #5C6B7F;
  --color-text-on-dark: #E2E8F0;
  --color-primary: #0E7C7B;
  --color-primary-dark: #0A5C5B;
  --color-primary-light: #E6F4F4;
  --color-accent: #C24B1A;
  --color-accent-hover: #A83F15;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 80px;
  --max-width: 1200px;
  --nav-height: 72px;
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }

/* ----- Base ----- */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ----- Typography ----- */
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; font-weight: 600; line-height: 1.3; }

/* ----- Skip Link ----- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 200;
  transition: top var(--transition);
}
.skip-link:focus {
  top: var(--space-sm);
}

/* ----- Focus Visible ----- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.site-nav a:focus-visible,
.site-nav button:focus-visible {
  outline-color: #fff;
}

/* ----- Navigation ----- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}
.site-nav.scrolled {
  background: rgba(11, 29, 46, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.nav-logo span {
  color: #4EC6C4;
}
.nav-links {
  display: flex;
  gap: var(--space-xl);
}
.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}
.nav-links a:hover {
  color: #fff;
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-cta {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background var(--transition);
}
.nav-cta:hover {
  background: var(--color-accent-hover);
}
.nav-toggle {
  display: none;
  color: #fff;
  padding: var(--space-sm);
}

/* ----- Mobile Menu ----- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 150;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-slow);
}
.mobile-menu.active {
  pointer-events: auto;
  opacity: 1;
}
.mobile-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}
.mobile-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: var(--color-bg-dark);
  padding: var(--space-3xl) var(--space-lg) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
}
.mobile-menu.active .mobile-panel {
  transform: translateX(0);
}
.mobile-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: #fff;
  padding: var(--space-sm);
}
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.mobile-nav-links a {
  color: var(--color-text-on-dark);
  font-size: 1.05rem;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color var(--transition);
}
.mobile-nav-links a:hover {
  color: var(--color-primary);
}
.mobile-cta {
  display: block;
  text-align: center;
  background: var(--color-accent);
  color: #fff;
  padding: 14px;
  border-radius: var(--radius);
  font-weight: 600;
  margin-top: var(--space-lg);
  transition: background var(--transition);
}
.mobile-cta:hover {
  background: var(--color-accent-hover);
}

/* ----- Hero Section ----- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(11, 29, 46, 0.72) 0%,
    rgba(11, 29, 46, 0.55) 40%,
    rgba(14, 53, 53, 0.6) 100%
  );
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: 48px;
}
.hero-content {
  max-width: 680px;
}
.hero h1 {
  color: #fff;
  margin-bottom: var(--space-lg);
}
.hero-subtitle {
  color: rgba(226, 232, 240, 0.9);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}
.hero-trust {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-trust-pill svg {
  width: 14px;
  height: 14px;
  stroke: rgba(255, 255, 255, 0.8);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 16px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-hero-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-hero-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}
.btn-hero-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}
.btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

/* ----- Trust Bar ----- */
.trust-bar {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}
.trust-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.trust-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ----- Section Shared ----- */
.section {
  padding: var(--space-3xl) 0;
}
.section-alt {
  background: var(--color-bg-alt);
}
.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.section-header h2 {
  margin-bottom: 12px;
}
.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}
.section-dark .section-subtitle {
  color: rgba(226, 232, 240, 0.7);
}

/* ----- Products ----- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-lg);
}
.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
}
.product-card-link {
  display: flex;
  flex-direction: column;
  flex: 1;
  color: inherit;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}
.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  z-index: 2;
}
.product-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background: var(--color-bg-alt);
}
.product-image img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
}
.product-info {
  padding: var(--space-md) var(--space-md) var(--space-sm);
  flex: 1;
}
.product-title {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}
.product-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
}
.product-info {
  padding-bottom: var(--space-md);
}
.section-footer {
  text-align: center;
  margin-top: var(--space-xl);
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap var(--transition);
}
.btn-text:hover {
  gap: 12px;
}

/* ----- Categories ----- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.category-card {
  display: block;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: var(--space-2xl) var(--space-lg);
  min-height: 220px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}
.category-card-1 {
  background: linear-gradient(135deg, #0E7C7B 0%, #0A5C5B 100%);
}
.category-card-2 {
  background: linear-gradient(135deg, #0B1D2E 0%, #0E4545 100%);
}
.category-card-3 {
  background: linear-gradient(135deg, #0A3D5C 0%, #0E7C7B 100%);
}
.category-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}
.category-icon svg {
  width: 22px;
  height: 22px;
  stroke: #fff;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.category-name {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.category-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: var(--space-md);
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  transition: gap var(--transition);
}
.category-card:hover .category-link {
  gap: 10px;
}

/* ----- Why Choose Us ----- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}
.why-item {
  text-align: center;
}
.why-icon {
  width: 64px;
  height: 64px;
  background: rgba(14, 124, 123, 0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}
.why-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.why-title {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.why-text {
  color: rgba(226, 232, 240, 0.75);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* ----- Guides ----- */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.guide-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}
.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
.guide-card a {
  display: block;
}
.guide-image {
  height: 180px;
  overflow: hidden;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}
.guide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.guide-info {
  padding: var(--space-lg);
}
.guide-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
}
.guide-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}
.guide-excerpt {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: var(--space-md);
}
.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
}

/* ----- FAQ ----- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--color-primary);
}
.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  stroke: var(--color-text-muted);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  transition: transform var(--transition);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.faq-item.active .faq-answer {
  max-height: 300px;
}
.faq-answer p {
  padding-bottom: 20px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ----- CTA Banner ----- */
.cta-banner {
  background: var(--color-primary);
  padding: var(--space-3xl) 0;
}
.cta-content {
  text-align: center;
}
.cta-content h2 {
  color: #fff;
  margin-bottom: 12px;
}
.cta-text {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: var(--space-xl);
}
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: #fff;
  color: var(--color-primary-dark);
  padding: 16px 40px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  transition: all var(--transition);
}
.btn-cta:hover {
  background: var(--color-bg-alt);
  transform: translateY(-1px);
}

/* ----- Footer ----- */
.site-footer {
  background: var(--color-bg-dark);
  padding: var(--space-3xl) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}
.footer-brand {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.footer-brand span {
  color: var(--color-primary);
}
.footer-about {
  color: rgba(226, 232, 240, 0.65);
  font-size: 0.875rem;
  line-height: 1.6;
}
.footer-heading {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}
.footer-links a {
  display: block;
  color: rgba(226, 232, 240, 0.65);
  font-size: 0.875rem;
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--color-primary);
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(226, 232, 240, 0.65);
  font-size: 0.875rem;
  margin-bottom: 12px;
}
.footer-contact-item svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-top: 3px;
}
.footer-disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-lg) 0;
}
.footer-disclaimer p {
  color: rgba(226, 232, 240, 0.58);
  font-size: 0.78rem;
  line-height: 1.6;
  max-width: 800px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-copyright {
  color: rgba(226, 232, 240, 0.62);
  font-size: 0.8rem;
}
.footer-abn {
  color: rgba(226, 232, 240, 0.58);
  font-size: 0.78rem;
}

/* ----- Mockup Badge ----- */
.mockup-badge {
  position: fixed;
  bottom: 16px;
  right: 16px;
  background: rgba(11, 29, 46, 0.7);
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 1000;
  pointer-events: none;
  backdrop-filter: blur(8px);
}

/* ----- Responsive: Tablet ----- */
@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }
  .nav-toggle { display: block; }

  .hero {
    min-height: auto;
  }
  .hero .container {
    padding-top: 120px;
    padding-bottom: 48px;
  }
  .hero h1 { font-size: 2rem; }
  .hero-trust { gap: 8px; }
  .hero-trust-pill { font-size: 0.75rem; padding: 6px 12px; }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  .category-card {
    min-height: auto;
    padding: var(--space-xl) var(--space-lg);
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .guide-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .section { padding: 56px 0; }
}

/* ----- Responsive: Mobile ----- */
@media (max-width: 480px) {
  .hero .container {
    padding-top: 100px;
    padding-bottom: 40px;
  }
  .hero h1 { font-size: 1.75rem; }
  .hero-actions {
    flex-direction: column;
  }
  .btn-hero {
    width: 100%;
    justify-content: center;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section { padding: 40px 0; }
}

/* ----- Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
  }
  html { scroll-behavior: auto; }
}