:root {
  --color-green: #2d5016;
  --color-green-dark: #1e3a0e;
  --color-cream: #f5f0e8;
  --color-cream-dark: #ebe4d8;
  --color-terracotta: #c45a3c;
  --color-terracotta-dark: #a84a30;
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-white: #ffffff;

  --font-heading: "Merriweather", Georgia, serif;
  --font-body: "Source Sans 3", "Source Sans Pro", system-ui, sans-serif;

  --max-width: 740px;
  --max-width-wide: 960px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3.5rem;
  --space-xl: 5rem;
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-cream);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---- Header ---- */

.site-header {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-cream-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width-wide);
}

.wordmark {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-green);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.wordmark span {
  color: var(--color-terracotta);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-green);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--color-terracotta);
}

/* ---- Hero ---- */

.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
}

.hero-inner {
  max-width: 640px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-green-dark);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

/* ---- Buttons ---- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.2s, transform 0.15s;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--color-terracotta);
  color: var(--color-white);
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

.btn-primary:hover {
  background-color: var(--color-terracotta-dark);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.15rem;
}

/* ---- Education Section ---- */

.education {
  padding: var(--space-lg) 0;
}

.education h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-green-dark);
  margin-bottom: var(--space-lg);
  text-align: center;
  letter-spacing: -0.01em;
}

.edu-block {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-cream-dark);
}

.edu-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.edu-block h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: var(--space-xs);
}

.edu-block p {
  color: var(--color-text);
}

/* ---- Shortage Section ---- */

.shortage {
  padding: var(--space-lg) 0;
}

.shortage .container {
  max-width: var(--max-width-wide);
}

.shortage h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-align: center;
}

.shortage-content {
  background-color: var(--color-green-dark);
  color: rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  padding: var(--space-md) var(--space-md);
}

.shortage-content p {
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
  line-height: 1.7;
}

.shortage-content p:last-child {
  margin-bottom: 0;
}

.shortage-content strong {
  color: var(--color-white);
}

/* ---- Better Way Section ---- */

.better-way {
  padding: var(--space-lg) 0 var(--space-xl);
  text-align: center;
}

.better-way h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-green-dark);
  margin-bottom: var(--space-sm);
}

.better-way-intro {
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.benefits {
  list-style: none;
  text-align: left;
  max-width: 580px;
  margin: 0 auto var(--space-md);
}

.benefits li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
  line-height: 1.65;
}

.benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-terracotta);
  font-weight: 700;
}

.benefits li strong {
  color: var(--color-green);
}

/* ---- Footer ---- */

.site-footer {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-cream-dark);
  text-align: center;
}

.footer-inner p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.footer-inner a {
  color: var(--color-green);
  text-decoration: none;
  font-weight: 600;
}

.footer-inner a:hover {
  color: var(--color-terracotta);
}

/* ---- Responsive ---- */

@media (max-width: 600px) {
  :root {
    --space-lg: 2.5rem;
    --space-xl: 3.5rem;
  }

  body {
    font-size: 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-sub {
    font-size: 1.05rem;
  }

  .education h2,
  .shortage h2,
  .better-way h2 {
    font-size: 1.45rem;
  }

  .edu-block h3 {
    font-size: 1.15rem;
  }

  .btn-lg {
    padding: 0.85rem 1.5rem;
    font-size: 1.05rem;
  }

  .shortage-content {
    padding: var(--space-sm) var(--space-sm);
  }
}