/* =====================================================
   Green Valuation Services - Main Stylesheet
   Premium Corporate Design
   ===================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary-50:  #f0faf0;
  --color-primary-100: #d9f2d9;
  --color-primary-400: #4db84d;
  --color-primary-500: #2d9e2d;
  --color-primary-600: #1e7e1e;
  --color-primary-700: #166016;
  --color-primary-800: #104710;
  --color-accent-400:  #f97316;
  --color-accent-500:  #ea6a0a;
  --color-dark:        #0f1319;
  --color-dark-800:    #1a1f2e;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:   0 10px 40px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.08);
  --shadow-xl:   0 20px 60px rgba(0,0,0,.18);
  --shadow-glow: 0 0 30px rgba(45,158,45,.18);
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Base Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: 'Inter', system-ui, sans-serif; color: #1f2937; background: #ffffff; line-height: 1.6; }
img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5,h6 {
  font-family: 'Manrope', 'Inter', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #111827;
}

/* ---------- Header ---------- */
#site-header {
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
#site-header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
}
#site-header.scrolled .nav-link { color: #1f2937; }
#site-header.scrolled .logo-img-dark { display: block; }
#site-header.scrolled .logo-img-light { display: none; }
.header-inner { width: 100%; }

/* Nav Links */
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: #ffffff;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--color-primary-400);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-link:hover::after,
.nav-link--active::after { transform: scaleX(1); }
.nav-link:hover { color: #ffffff; background: rgba(255,255,255,0.12); }
.nav-link--active { color: #ffffff; }

/* Scrolled state nav links */
#site-header.scrolled .nav-link { color: #1f2937; }
#site-header.scrolled .nav-link:hover { color: var(--color-primary-600); background: var(--color-primary-50); }
#site-header.scrolled .nav-link--active { color: var(--color-primary-600); }

/* Mobile nav */
.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: #374151;
  transition: color var(--transition), background var(--transition);
}
.mobile-nav-link:hover { color: var(--color-primary-600); background: var(--color-primary-50); }
.mobile-nav-link--active { color: var(--color-primary-600); background: var(--color-primary-50); }

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  box-shadow: 0 4px 14px rgba(30,126,30,0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
  box-shadow: 0 6px 20px rgba(30,126,30,0.4);
  transform: translateY(-1px);
  color: #ffffff;
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  color: #ffffff;
}

.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--color-primary-600);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary-500);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-outline-dark:hover {
  background: var(--color-primary-600);
  color: #ffffff;
}

/* ---------- Section Label ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  border: 1px solid var(--color-primary-200);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Hero ---------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a2f0a 0%, #1a1f2e 40%, #0f1319 100%);
}
.hero-section::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='%232d9e2d' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-gradient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(45,158,45,0.2) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation: blobFloat 8s ease-in-out infinite;
}
.hero-blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, transparent 70%);
  bottom: -50px; left: 10%;
  animation: blobFloat 10s ease-in-out infinite reverse;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -30px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(45,158,45,0.15);
  border: 1px solid rgba(45,158,45,0.35);
  border-radius: 100px;
  color: #7dd17d;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.hero-stat {
  text-align: center;
  padding: 1.25rem 1.5rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  transition: all var(--transition);
}
.hero-stat:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(45,158,45,0.4);
  transform: translateY(-2px);
}
.hero-stat-number {
  font-family: 'Manrope', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary-400);
  line-height: 1;
}
.hero-stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 0.25rem; }

/* ---------- Page Banner ---------- */
.page-banner {
  position: relative;
  padding: 8rem 0 5rem;
  background: linear-gradient(135deg, #0a2f0a 0%, #1a1f2e 60%, #0f1319 100%);
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  right: 0; top: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at right top, rgba(45,158,45,0.15) 0%, transparent 60%);
}

/* ---------- Section Styles ---------- */
.section-padding { padding: 5rem 0; }
.section-padding-lg { padding: 7rem 0; }
.container-xl { max-width: 80rem; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Cards ---------- */
.card-service {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card-service::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.card-service:hover {
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.card-service:hover::before { transform: scaleX(1); }

.service-icon-wrap {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-600);
  margin-bottom: 1.25rem;
  transition: all var(--transition);
}
.card-service:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

/* Why Choose Cards */
.why-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.why-card:hover {
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.why-icon {
  width: 42px; height: 42px;
  background: var(--color-primary-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-600);
  flex-shrink: 0;
}

/* Who We Serve Tags */
.serve-tag {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: default;
}
.serve-tag:hover {
  background: var(--color-primary-600);
  color: #ffffff;
  border-color: var(--color-primary-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,126,30,0.25);
}
.serve-tag:hover .serve-icon { color: #ffffff; }
.serve-icon { color: var(--color-primary-600); }

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-800) 0%, var(--color-dark-800) 50%, var(--color-primary-700) 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}

/* ---------- Process Steps ---------- */
.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}
.step-number {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Manrope', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 24px rgba(30,126,30,0.35);
  position: relative;
  z-index: 2;
}
.step-connector {
  position: absolute;
  top: 30px;
  left: calc(50% + 30px);
  right: calc(-50% + 30px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-400), transparent);
  z-index: 1;
}

/* ---------- Benefit Cards ---------- */
.benefit-card {
  padding: 1.75rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.benefit-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(45,158,45,0.4);
  transform: translateY(-4px);
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 0.5rem;
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: #f9fafb;
  border: 1.5px solid #d1d5db;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: #1f2937;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition);
  outline: none;
}
.form-control:focus {
  background: #ffffff;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(45,158,45,0.12);
}
.form-control::placeholder { color: #9ca3af; }
textarea.form-control { resize: vertical; min-height: 130px; }
.form-error { font-size: 0.8rem; color: #dc2626; margin-top: 0.3rem; display: none; }
.form-error.show { display: block; }

/* Alert messages */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d; }
.alert-error   { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; }

/* ---------- Footer ---------- */
.site-footer { background: #0f1319; color: #e5e7eb; }
.footer-main { border-top: 1px solid rgba(255,255,255,0.05); }
.footer-heading {
  font-family: 'Manrope', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-link {
  color: #9ca3af;
  font-size: 0.875rem;
  transition: color var(--transition);
  display: inline-block;
}
.footer-link:hover { color: var(--color-primary-400); }
.footer-social-link {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  transition: all var(--transition);
}
.footer-social-link:hover {
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
  color: #ffffff;
}
.footer-bottom { background: #090d11; border-top: 1px solid rgba(255,255,255,0.05); }

/* ---------- Divider ---------- */
.divider { height: 1px; background: #e5e7eb; }

/* ---------- Value Proposition ---------- */
.value-prop-section {
  background: linear-gradient(135deg, var(--color-primary-50) 0%, #ffffff 100%);
  border-top: 1px solid var(--color-primary-100);
  border-bottom: 1px solid var(--color-primary-100);
}

/* ---------- Stats Strip ---------- */
.stats-strip {
  background: var(--color-primary-600);
  color: #ffffff;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Manrope', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label { font-size: 0.875rem; opacity: 0.85; margin-top: 0.25rem; }

/* ---------- Contact Info Cards ---------- */
.contact-info-card {
  padding: 1.75rem;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: all var(--transition);
}
.contact-info-card:hover {
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-md);
}
.contact-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-600);
  flex-shrink: 0;
}

/* ---------- Services Detail (Services page) ---------- */
.service-detail-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition);
}
.service-detail-card:hover {
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-200);
  transform: translateY(-4px);
}
.service-detail-header {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-500) 100%);
  padding: 2rem;
  color: #ffffff;
}
.service-detail-body { padding: 2rem; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1rem;
}
.breadcrumb a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
.breadcrumb a:hover { color: #ffffff; }

/* ---------- Scroll to top ---------- */
#scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  background: var(--color-primary-600);
  border: none;
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}
#scroll-top.visible { opacity: 1; pointer-events: auto; }
#scroll-top:hover { background: var(--color-primary-700); transform: translateY(-2px); }

/* ---------- Animations ---------- */
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.shimmer {
  position: relative;
  overflow: hidden;
}
.shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: shimmer 2.5s infinite;
}

/* ---------- Admin Styles (minimal, scoped) ---------- */
/* (Admin panel uses its own CSS file) */

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .hero-section { min-height: 90vh; }
  .page-banner { padding: 7rem 0 4rem; }
  .section-padding { padding: 3.5rem 0; }
  .section-padding-lg { padding: 5rem 0; }
  .stat-number { font-size: 2rem; }
  .hero-stat-number { font-size: 1.5rem; }
  .step-connector { display: none; }
}

@media (max-width: 480px) {
  .btn-primary, .btn-secondary { padding: 0.7rem 1.4rem; font-size: 0.875rem; }
}

/* ---------- Utility helpers ---------- */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-accent {
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bg-pattern {
  background-image: 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='%232d9e2d' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}