/* Dynet — simple, modern consulting page
   Palette: white background, black text, dark green highlights */

:root {
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-muted: #444444;
  --color-green: #005200;
  --color-green-hover: #003d00;
  --color-border: #000000;
  --color-accent-line: #005200;
  --max-width: 900px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1, h2, h3, p {
  margin: 0 0 var(--space-sm);
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.125rem;
}

p {
  color: var(--color-muted);
}

a {
  color: var(--color-green);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Header */
.site-header {
  border-bottom: 2px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.header-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.5rem;
}

.logo:hover,
.logo:focus {
  text-decoration: none;
}

.logo-img {
  display: block;
  width: auto;
  height: 2.75rem;
}

.logo-text {
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  gap: var(--space-md);
  font-size: 0.95rem;
  font-weight: 600;
}

.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid #000000;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.hero h1 {
  max-width: 700px;
  margin-bottom: var(--space-md);
}

.hero-summary {
  max-width: 600px;
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Buttons */
.button {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  background-color: var(--color-green);
  color: #ffffff;
  border: 2px solid var(--color-green);
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.button:hover,
.button:focus {
  background-color: var(--color-green-hover);
  border-color: var(--color-green-hover);
  color: #ffffff;
  text-decoration: none;
}

.button-secondary {
  background-color: transparent;
  color: var(--color-green);
}

.button-secondary:hover,
.button-secondary:focus {
  background-color: rgba(0, 82, 0, 0.06);
  color: var(--color-green);
}

/* Services */
.services {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid #000000;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.service-card {
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  background-color: var(--color-bg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.service-card:hover {
  border-color: var(--color-green);
  box-shadow: 0 4px 0 var(--color-green);
}

.service-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-green);
  margin-bottom: var(--space-sm);
}

.service-icon-img {
  display: block;
  object-fit: contain;
  image-rendering: auto;
}

.service-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.service-card p {
  margin-bottom: 0;
}

/* About */
.about {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid #000000;
}

.about p {
  max-width: 680px;
}

/* Contact */
.contact {
  padding: var(--space-xl) 0;
  border-bottom: 2px solid var(--color-border);
}

.contact p {
  max-width: 680px;
}

.contact-email {
  font-size: 1.25rem;
  font-weight: 700;
  margin: var(--space-md) 0 var(--space-xs);
}

.contact-email a {
  color: var(--color-green);
  text-decoration: none;
  border-bottom: 2px solid var(--color-green);
}

.contact-email a:hover,
.contact-email a:focus {
  background-color: rgba(0, 82, 0, 0.06);
}

.contact-location {
  color: var(--color-muted);
  margin-bottom: 0;
}

/* Footer */
.site-footer {
  padding: var(--space-md) 0;
}

.footer-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.site-footer p {
  margin-bottom: 0;
}

.footer-email a {
  color: var(--color-muted);
}

.footer-email a:hover,
.footer-email a:focus {
  color: var(--color-green);
}

/* Responsive */
@media (max-width: 520px) {
  .header-layout {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    width: 100%;
    justify-content: space-between;
    gap: var(--space-sm);
  }

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

  .hero-cta {
    flex-direction: column;
  }

  .button {
    width: 100%;
    text-align: center;
  }

  .footer-layout {
    flex-direction: column;
    align-items: flex-start;
  }
}