/* EcoSparsh — shared stylesheet */

:root {
  --color-primary: #2F5233;
  --color-primary-dark: #203A25;
  --color-primary-light: #4C7A52;
  --color-accent: #E08E45;
  --color-accent-dark: #C97327;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F1F6F1;
  --color-text: #22302A;
  --color-text-muted: #55645C;
  --color-border: #DCE6DE;
  --radius: 14px;
  --shadow: 0 4px 20px rgba(34, 48, 42, 0.08);
  --max-width: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 17px;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-primary-dark);
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover, a:focus-visible {
  text-decoration: underline;
}

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

ul { margin: 0; padding: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}
.section-alt {
  background: var(--color-bg-alt);
}
.section-primary {
  background: var(--color-primary);
  color: #EFF5EF;
}
.section-primary h2, .section-primary h3 {
  color: #FFFFFF;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
}
.section-primary .eyebrow { color: #F5C48E; }

.lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 68ch;
}
.section-primary .lede { color: #D9E8DA; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover, .btn:focus-visible { text-decoration: none; transform: translateY(-2px); }

.btn-accent {
  background: var(--color-accent);
  color: #2A1B04;
}
.btn-accent:hover { background: var(--color-accent-dark); color: #fff; }

.btn-outline {
  background: transparent;
  border-color: #FFFFFF;
  color: #FFFFFF;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

.btn-outline-dark {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline-dark:hover { background: var(--color-primary); color: #fff; }

.btn-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
}
.brand:hover { text-decoration: none; }

.logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-text strong {
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  font-weight: 800;
}
.brand-text small {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: var(--color-primary-dark);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.98rem;
}
.site-nav a:hover, .site-nav a:focus-visible {
  background: var(--color-bg-alt);
  text-decoration: none;
}
.site-nav a.active {
  background: var(--color-primary);
  color: #fff;
}
.site-nav a.nav-cta {
  background: var(--color-accent);
  color: #2A1B04;
}
.site-nav a.nav-cta:hover { background: var(--color-accent-dark); color: #fff; }
.site-nav a.nav-cta.active { background: var(--color-accent-dark); color: #fff; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #F2F7F2;
  padding: 88px 0 96px;
}
.hero .eyebrow { color: #F5C48E; }
.hero h1 { color: #FFFFFF; max-width: 20ch; }
.hero .lede { color: #DCEADC; }

.page-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 64px 0;
}
.page-banner h1 { color: #fff; }
.page-banner .lede { color: #DCEADC; }

/* Grids & Cards */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 12px; }

.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-badge svg { width: 26px; height: 26px; }

/* Stats */
.stat {
  text-align: center;
  padding: 20px;
}
.stat-num {
  font-size: clamp(2.1rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-accent);
  display: block;
}
.stat-label {
  color: #D9E8DA;
  font-size: 0.95rem;
}

/* Numbered project cards */
.project-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}
.project-card .project-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  margin-bottom: 14px;
}
.project-meta {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-bg-alt);
  padding: 4px 12px;
  border-radius: 999px;
  margin-left: 10px;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  list-style: none;
}
.tag-list li {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--color-primary-dark);
}

/* Check list */
.check-list {
  list-style: none;
  display: grid;
  gap: 12px;
}
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.check-list li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  color: var(--color-accent-dark);
}

/* Pillar cards */
.pillar-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.pillar-card .pillar-index {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-accent-dark);
  letter-spacing: 0.05em;
}
.pillar-card ul {
  list-style: none;
  margin-top: 14px;
  display: grid;
  gap: 8px;
}
.pillar-card ul li {
  padding-left: 18px;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.pillar-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Contact cards */
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 18px;
}
.contact-card .avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-card a {
  font-weight: 700;
}

.section-head {
  max-width: 70ch;
  margin-bottom: 40px;
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: #CDE0CE;
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-grid h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; display: grid; gap: 8px; }
.footer-grid a { color: #CDE0CE; }
.footer-grid a:hover { color: #fff; }
.footer-brand {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  display: block;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 40px;
  padding-top: 20px;
  font-size: 0.85rem;
  color: #9FB8A1;
}

/* Responsive */
@media (max-width: 860px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    display: none;
  }
  .site-nav.open { display: block; }
  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    gap: 4px;
  }
  .site-nav a { display: block; }
  .contact-card { flex-direction: column; text-align: center; }
}