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

:root {
  --green-dark: #2d5a27;
  --green-mid: #3a7d34;
  --green-light: #e8f5e3;
  --gray-900: #1a1a1a;
  --gray-700: #444;
  --gray-400: #999;
  --gray-200: #e5e5e5;
  --white: #fff;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--gray-900);
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Dev Banner ---- */

.dev-banner {
  background: #FFC300;
  color: #000;
  text-align: center;
  padding: 6px 0;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ---- Header ---- */

.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

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

.logo-text-img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--green-dark);
}

/* ---- Hero ---- */

.hero {
  background: var(--green-dark);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Button ---- */

.btn {
  display: inline-block;
  background: var(--green-mid);
  color: var(--white);
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--green-dark);
}

/* ---- Services ---- */

.services {
  padding: 4rem 0;
}

.services h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--green-light);
  border-radius: 8px;
  padding: 1.5rem;
}

.service-card h3 {
  font-size: 1.1rem;
  color: var(--green-dark);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--gray-700);
}

/* ---- Estimate Form ---- */

.estimate {
  background: var(--green-light);
  padding: 4rem 0;
}

.estimate h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.estimate-subtitle {
  text-align: center;
  color: var(--gray-700);
  margin-bottom: 2rem;
}

.estimate-form {
  background: var(--white);
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.form-group {
  margin-bottom: 1.25rem;
  border: none;
}

.form-group label,
.form-group legend {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--gray-900);
}

.form-group legend {
  padding: 0;
}

.optional {
  font-weight: 400;
  color: var(--gray-400);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--gray-900);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(58, 125, 52, 0.15);
}

.radio-group {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.25rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 400;
  cursor: pointer;
}

.radio-label input[type="radio"] {
  accent-color: var(--green-mid);
}

.btn-submit {
  width: 100%;
  padding: 0.85rem;
  font-size: 1.05rem;
  margin-top: 0.5rem;
}

/* ---- Contact ---- */

.contact {
  padding: 4rem 0;
  text-align: center;
}

.contact h2 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.contact-info p {
  font-size: 1rem;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

/* ---- Footer ---- */

.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

/* ---- Responsive ---- */

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    gap: 0.75rem;
  }

  .logo-text-img {
    height: 30px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .estimate-form {
    padding: 1.25rem;
  }

  .radio-group {
    flex-direction: column;
    gap: 0.5rem;
  }
}