@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
  /* PrimeChem brand — logo yellow-to-green gradient */
  --color-header: #ffeb3b;
  --color-header-text: #000000;
  --color-primary: #ffca28;
  --color-primary-hover: #ffb300;
  --color-primary-dark: #1e871e;
  --color-primary-light: #fffde7;
  --color-accent: #81c784;
  --color-accent-dark: #43a047;
  --color-secondary: #555555;
  --color-safety: #ffeb3b;
  --color-border: #e0e0e0;
  --color-text-main: #333333;
  --color-text-muted: #555555;
  --color-white: #ffffff;
  --color-on-primary: #1a1a1a;
  --color-bg: #f9f9f9;
  --color-bg-alt: #e9e9e9;
  --color-error: #dc2626;
  --color-primary-rgb: 255, 202, 40;
  --color-yellow-rgb: 255, 235, 59;
  --color-accent-rgb: 129, 199, 132;
  --color-shadow-rgb: 30, 135, 30;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 0.15s ease;
  --shadow-sm: 0 2px 8px rgba(var(--color-shadow-rgb), 0.12);
  --shadow-md: 0 4px 16px rgba(var(--color-shadow-rgb), 0.16);
  --shadow-glow: 0 10px 30px -12px rgba(var(--color-yellow-rgb), 0.4);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-main);
  background-color: var(--color-bg);
}

h1, h2, h3, h4, .hero-title, .faq-heading, .awards-title {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  letter-spacing: -0.02em;
}

.brand-name {
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0.06em;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.85;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.3;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-primary-dark);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-on-primary);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-yellow-rgb), 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary-dark);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  opacity: 1;
}

.btn-pill {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 10px 22px;
  font-weight: 600;
  font-size: 14px;
}

.btn-pill:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-accent);
  color: var(--color-primary-dark);
  opacity: 1;
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent-dark);
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  opacity: 1;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.text-accent {
  color: var(--color-accent-dark);
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:not(.form-card):not(.contact-form-card):hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.teaser-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.badge-safety {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background-color: rgba(255, 235, 59, 0.25);
  border: 1px solid rgba(255, 193, 7, 0.55);
  color: #333333;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 1024px) {
  .teaser-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 639px) {
  .teaser-grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .card:hover {
    transform: none;
  }

  .btn-primary:hover {
    transform: none;
  }
}