/* ============================================
   Wattle & Stone Software — Global Styles
   Palette derived from brand logo
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* --- Tokens --- */
:root {
  --bg-primary:    #0C0D12;
  --bg-secondary:  #181C26;
  --bg-card:       #1E2330;
  --bg-elevated:   #272D3C;

  --sage:          #8A9A78;
  --sage-light:    #A3B391;
  --sage-dim:      #6B7A5C;

  --slate:         #6B7A8B;
  --slate-light:   #8B9AAB;
  --slate-dim:     #4A5A6A;

  --text-primary:  #E8ECF2;
  --text-secondary:#A0A8B4;
  --text-muted:    #6A7180;

  --border:        #2C3244;
  --border-hover:  #3A4258;

  --font:          'Inter', system-ui, -apple-system, sans-serif;
  --max-width:     1120px;
  --transition:    0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--sage); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--sage-light); }

img, svg { display: block; max-width: 100%; }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }

/* --- Navigation --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 13, 18, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

nav .logo { height: 270px; width: auto; object-fit: contain; }

nav .nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

nav .nav-links a {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

nav .nav-links a:hover,
nav .nav-links a.active {
  color: var(--text-primary);
}

nav .nav-links .nav-cta {
  color: var(--text-secondary);
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: all var(--transition);
}

nav .nav-links .nav-cta:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--text-secondary); margin: 4px 0; transition: var(--transition); }

/* --- Hero --- */
.hero {
  padding: 8rem 0 4rem;
  display: flex;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.hero h1 .accent { color: var(--sage); }

.hero .subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--sage);
  color: var(--bg-primary);
}
.btn-primary:hover {
  background: var(--sage-light);
  color: var(--bg-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* --- Sections --- */
section {
  padding: 5rem 0;
}

section.alt {
  background: var(--bg-secondary);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1rem;
  max-width: 640px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.card .card-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(138, 154, 120, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--sage);
  font-size: 1.1rem;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- Phases / Timeline --- */
.phase-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.phase-item {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.phase-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(138, 154, 120, 0.12);
  border: 1px solid rgba(138, 154, 120, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sage);
}

.phase-content h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.phase-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 560px;
}

/* --- Stats / Metrics --- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 3rem 0;
}

.stat h3 {
  font-size: 2rem;
  font-weight: 500;
  color: var(--sage);
  margin-bottom: 0.25rem;
}

.stat p {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* --- Divider line --- */
.divider {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* --- Feature rows --- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }

.feature-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  max-width: 480px;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--sage-dim);
}

.form-group textarea { min-height: 140px; resize: vertical; }

/* --- Footer --- */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

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

footer .footer-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

footer .footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

footer .footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
}

footer .footer-links a:hover { color: var(--text-secondary); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero { padding: 7rem 0 3rem; }
  section { padding: 3rem 0; }
  .feature-row { grid-template-columns: 1fr; gap: 2rem; }
  .feature-row.reverse { direction: ltr; }
  .card-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .phase-item { gap: 1.25rem; }
  footer .container { flex-direction: column; gap: 1rem; text-align: center; }

  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    gap: 1rem;
  }
}