:root {
  --color-bg: #F8F9FA;
  --color-white: #FFFFFF;
  --color-text-dark: #212529;
  --color-text-muted: #6C757D;
  --color-deep-green: #1F3A32;
  --color-cta-green: #245B45;
  --color-cta-hover: #1B4434;
  --color-border: #DEE2E6;

  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text-dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* Header */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 90;
}

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

.header__logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-deep-green);
  display: flex;
  flex-direction: column;
}

.header__tagline {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-btn {
  display: none;
}

@media (min-width: 768px) {
  .header-btn {
    display: inline-flex;
    height: 40px;
    font-size: 14px;
    min-width: auto;
    padding: 0 20px;
  }
}

/* Typography & Article */
.main-content {
  padding-top: var(--spacing-lg);
  padding-bottom: 100px; /* Space for sticky CTA */
}

.article {
  background-color: var(--color-white);
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

@media (min-width: 768px) {
  .article {
    padding: 48px;
  }
}

.eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--color-cta-green);
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-deep-green);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--color-deep-green);
}

p {
  font-size: 17px;
  margin-bottom: 20px;
  color: #333;
}

@media (min-width: 768px) {
  p { font-size: 18px; }
}

p.lead {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text-dark);
}

.article-meta {
  font-size: 14px;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.article-hero-image {
  margin: 0 -24px 24px -24px;
}

.article-hero-image img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
}

@media (min-width: 768px) {
  .article-hero-image {
    margin: 0 0 32px 0;
  }
  .article-hero-image img {
    border-radius: 8px;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-cta-green);
  color: var(--color-white);
  padding: 0 var(--spacing-lg);
  height: 54px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 250px;
}

.btn:hover {
  background-color: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(36, 91, 69, 0.2);
}

.pulse-btn {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(36, 91, 69, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(36, 91, 69, 0); }
  100% { box-shadow: 0 0 0 0 rgba(36, 91, 69, 0); }
}

/* CTA Box */
.cta-box {
  background-color: #F0F6F4;
  border: 1px solid #D0E4DC;
  border-radius: 12px;
  padding: 32px 24px;
  margin-top: 48px;
}

/* Footer */
.footer {
  background-color: var(--color-deep-green);
  color: var(--color-white);
  padding: 40px 0;
}

.footer-logo {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  opacity: 0.9;
}

.footer p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  margin: 0;
}

/* Sticky Mobile CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-white);
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 95;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.08);
}

@media (min-width: 992px) {
  .sticky-cta { display: none; }
}

.sticky-cta__info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-deep-green);
  margin-bottom: 2px;
}

.sticky-cta__info p {
  font-size: 13px;
  margin: 0;
  color: var(--color-text-muted);
}

.sticky-btn {
  height: 44px;
  min-width: 140px;
  font-size: 15px;
}