/* ============================================
   VVDN Water Cooperative — Shared Styles
   ============================================ */

:root {
  --blue-dark:    #0A3D5C;
  --blue-mid:     #1565A8;
  --blue-bright:  #2EAADC;
  --teal:         #26C5A0;
  --teal-dark:    #1DAB8A;
  --light-bg:     #F0F8FF;
  --text-dark:    #1A2832;
  --text-mid:     #3D5668;
  --white:        #FFFFFF;
  --shadow-sm:    0 2px 8px rgba(10,61,92,0.08);
  --shadow-md:    0 8px 32px rgba(10,61,92,0.12);
  --shadow-lg:    0 16px 48px rgba(10,61,92,0.18);
  --radius:       12px;
  --transition:   0.25s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Nav ---- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(21,101,168,0.12);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--blue-dark);
}

.nav-logo svg { flex-shrink: 0; }

.nav-logo-text { line-height: 1.1; }
.nav-logo-text strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-dark);
  letter-spacing: -0.02em;
}
.nav-logo-text span {
  font-size: 0.72rem;
  color: var(--blue-mid);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-mid);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--blue-mid); background: rgba(21,101,168,0.06); }
.nav-links a.active { color: var(--blue-mid); font-weight: 600; }

.nav-cta {
  background: var(--blue-mid) !important;
  color: var(--white) !important;
  padding: 0.45rem 1.1rem !important;
  border-radius: 8px;
}
.nav-cta:hover { background: var(--blue-dark) !important; color: var(--white) !important; }

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: white;
  border-top: 1px solid rgba(21,101,168,0.1);
  padding: 1rem 1.5rem 1.5rem;
  gap: 0.5rem;
}
.mobile-menu a {
  text-decoration: none;
  color: var(--text-mid);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
.mobile-menu a:hover { background: var(--light-bg); color: var(--blue-mid); }
.mobile-menu a.active { color: var(--blue-mid); font-weight: 600; }
.mobile-menu.open { display: flex; }

/* ---- Page Hero ---- */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 60%, var(--blue-bright) 100%);
  color: white;
  padding: 4rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23FFFFFF' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-inner { position: relative; max-width: 700px; margin: 0 auto; }
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.75rem; }
.page-hero p { font-size: 1.05rem; opacity: 0.88; }

/* ---- Sections ---- */
.section { padding: 5rem 1.5rem; }
.section-alt { background: var(--light-bg); }

.container { max-width: 1100px; margin: 0 auto; }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--blue-dark);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 580px;
  line-height: 1.7;
}

/* ---- Cards ---- */
.card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(21,101,168,0.07);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-bright), var(--teal));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 650;
  color: var(--blue-dark);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.card p { font-size: 0.93rem; color: var(--text-mid); line-height: 1.65; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* ---- Stats Bar ---- */
.stats-bar {
  background: var(--blue-dark);
  color: white;
  padding: 2.5rem 1.5rem;
}
.stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2rem;
}
.stat { text-align: center; }
.stat-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat-label {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.93rem;
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border-radius: 9px;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--blue-mid);
  color: white;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(21,101,168,0.3); }

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.55);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: white; }

.btn-teal {
  background: var(--teal);
  color: white;
}
.btn-teal:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(38,197,160,0.3); }

/* ---- Info List ---- */
.info-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.25rem; }
.info-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.93rem;
  color: var(--text-mid);
  line-height: 1.5;
}
.info-list li::before {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-bright), var(--teal));
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='10' viewBox='0 0 12 10' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 5l3 3 7-7' stroke='white' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

/* ---- Highlight Box ---- */
.highlight-box {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  color: white;
  border-radius: var(--radius);
  padding: 2rem;
}
.highlight-box h3 { color: white; margin-bottom: 0.5rem; }
.highlight-box p { opacity: 0.85; font-size: 0.93rem; line-height: 1.65; }
.highlight-box .big-number { font-size: 2.8rem; font-weight: 700; color: var(--teal); line-height: 1; }

/* ---- Contact Form ---- */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-dark); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.7rem 1rem;
  border: 1.5px solid rgba(21,101,168,0.2);
  border-radius: 8px;
  font-size: 0.93rem;
  font-family: inherit;
  color: var(--text-dark);
  background: white;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 3px rgba(46,170,220,0.15);
}
.form-group textarea { min-height: 120px; }

.form-success {
  display: none;
  background: rgba(38,197,160,0.1);
  border: 1.5px solid var(--teal);
  border-radius: 8px;
  padding: 1rem;
  color: var(--teal-dark);
  font-weight: 500;
  font-size: 0.93rem;
  margin-top: 1rem;
}

/* ---- Contact Info Block ---- */
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(21,101,168,0.08);
}
.contact-detail:last-child { border-bottom: none; }
.contact-icon {
  width: 42px;
  height: 42px;
  min-width: 42px;
  background: var(--light-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-mid);
}
.contact-detail h4 { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-mid); margin-bottom: 0.2rem; }
.contact-detail p, .contact-detail a {
  font-size: 0.93rem;
  color: var(--text-dark);
  text-decoration: none;
  line-height: 1.5;
}
.contact-detail a:hover { color: var(--blue-mid); }

/* ---- Footer ---- */
footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.7);
  padding: 3rem 1.5rem 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 1fr);
  gap: 3rem;
}
.footer-brand p { font-size: 0.88rem; line-height: 1.7; margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 { color: white; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--teal); }
.footer-bottom {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-bottom p, .footer-bottom a { font-size: 0.82rem; color: rgba(255,255,255,0.4); text-decoration: none; }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .stats-inner { gap: 1.5rem; }
  .stat-value { font-size: 1.7rem; }
}

@media (max-width: 500px) {
  .section { padding: 3.5rem 1.25rem; }
  .page-hero { padding: 3rem 1.25rem; }
}