:root {
  --emerald-900: #0a5a41;
  --emerald-700: #0e7c5a;
  --emerald-600: #12946c;
  --emerald-500: #17a67a;
  --emerald-100: #e3f4ee;
  --emerald-50: #f2faf7;

  --grey-900: #212528;
  --grey-800: #333333;
  --grey-600: #5b6167;
  --grey-400: #9aa0a6;
  --grey-200: #e4e6e8;
  --grey-100: #f3f4f5;
  --grey-50: #fafafa;

  --white: #ffffff;

  --font-heading: "Poppins", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 8px rgba(33, 37, 40, 0.06);
  --shadow-md: 0 12px 32px rgba(14, 124, 90, 0.12);

  --container-w: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--grey-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--grey-900);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

a { color: inherit; }

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--emerald-700);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 24px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--emerald-700);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--emerald-600); }

.btn-ghost {
  background: transparent;
  color: var(--grey-800);
  border-color: var(--grey-200);
}
.btn-ghost:hover { border-color: var(--emerald-600); color: var(--emerald-700); }

.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--grey-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo { height: 34px; width: auto; }

.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--grey-600);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--emerald-700); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--grey-800);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--grey-200);
}
.mobile-nav a {
  text-decoration: none;
  color: var(--grey-800);
  font-weight: 500;
  padding: 12px 4px;
  border-bottom: 1px solid var(--grey-100);
}
.mobile-nav .btn { margin-top: 12px; }
.mobile-nav.open { display: flex; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--emerald-50) 0%, var(--white) 100%);
  padding: 72px 0 88px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--emerald-700);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero h1 .accent { color: var(--emerald-700); }

.hero-sub {
  font-size: 1.08rem;
  color: var(--grey-600);
  max-width: 46ch;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0 18px;
}

.hero-trust {
  font-size: 0.85rem;
  color: var(--grey-400);
  margin: 0;
}

.hero-panel {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}
.hero-panel-title {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--grey-900);
  margin-bottom: 18px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.stat-card {
  background: var(--emerald-700);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-card:nth-child(2) { background: var(--emerald-600); }
.stat-card-wide { grid-column: 1 / -1; background: var(--grey-900); }

.stat-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
}
.stat-value small { font-size: 1.1rem; font-weight: 600; }
.stat-label { font-size: 0.85rem; opacity: 0.92; }

.stat-footnote {
  font-size: 0.75rem;
  color: var(--grey-400);
  margin: 14px 0 0;
}

/* Trust strip */
.trust-strip {
  background: var(--grey-900);
  color: var(--grey-200);
  padding: 16px 0;
}
.trust-inner p {
  margin: 0;
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--grey-50); }

.section-head {
  max-width: 620px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}
.section-sub {
  color: var(--grey-600);
  font-size: 1.02rem;
}
.section-head .section-sub { margin: 0 auto; }

/* Services */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--emerald-100);
  color: var(--emerald-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 1.1rem; }
.service-card p { color: var(--grey-600); font-size: 0.95rem; margin: 0; }

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  border: 1px solid var(--grey-200);
  position: relative;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--emerald-700);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.05rem; }
.step p { color: var(--grey-600); font-size: 0.93rem; margin: 0; }

/* Why us */
.why-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
}
.why-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.why-list li {
  padding-left: 30px;
  position: relative;
  color: var(--grey-600);
}
.why-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--emerald-100);
  border: 2px solid var(--emerald-600);
}
.why-list li strong { color: var(--grey-900); }

.why-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.why-badge {
  width: 100%;
  aspect-ratio: 1;
  max-width: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--emerald-700), var(--emerald-500));
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  padding: 24px;
  box-shadow: var(--shadow-md);
}
.why-badge-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
}
.why-badge span:last-child { font-size: 0.95rem; max-width: 18ch; opacity: 0.95; }

/* Testimonials */
.testimonial-grid { grid-template-columns: repeat(3, 1fr); }
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  margin: 0;
}
.testimonial-card blockquote {
  margin: 0 0 16px;
  font-size: 1rem;
  color: var(--grey-800);
}
.testimonial-card figcaption {
  font-size: 0.85rem;
  color: var(--emerald-700);
  font-weight: 600;
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--grey-900);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--emerald-700);
  font-size: 1.4rem;
  font-weight: 400;
  margin-left: 16px;
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p {
  color: var(--grey-600);
  margin: 14px 0 0;
  font-size: 0.95rem;
}

/* Contact */
.section-contact { background: var(--emerald-50); }
.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: flex-start;
}
.contact-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-weight: 500;
  color: var(--grey-800);
}
.contact-points li::before { content: "\2713  "; color: var(--emerald-700); font-weight: 700; }

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--grey-200);
}
.form-row { margin-bottom: 20px; }
.form-row-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 0;
}
.form-row-split > div { margin-bottom: 20px; }

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--grey-800);
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--grey-200);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--grey-900);
  background: var(--white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--emerald-600);
  box-shadow: 0 0 0 3px var(--emerald-100);
}
textarea { resize: vertical; min-height: 100px; }

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.form-note {
  font-size: 0.78rem;
  color: var(--grey-400);
  text-align: center;
  margin: 14px 0 0;
}

/* Footer */
.site-footer {
  background: var(--grey-900);
  color: var(--grey-200);
  padding: 56px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}
.footer-logo {
  height: 30px;
  margin-bottom: 12px;
  background: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.footer-brand p { color: var(--grey-400); font-size: 0.9rem; max-width: 32ch; }

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  text-decoration: none;
  color: var(--grey-200);
  font-size: 0.92rem;
}
.footer-nav a:hover { color: var(--emerald-500); }

.footer-legal {
  font-size: 0.8rem;
  color: var(--grey-400);
}
.footer-disclaimer { margin-top: 10px; line-height: 1.5; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--grey-900);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 200;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.toast.error { background: #8a2c2c; }

/* Responsive */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }

  .hero-inner { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .why-visual { order: -1; margin-bottom: 8px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .card-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-row-split { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 56px; }
  .contact-form { padding: 26px; }
}
