/* =========================================
   Knoxville Tree Pros — Stylesheet
   Colors: Forest Green #1B5E20, White, Light Gray #F5F5F5
   ========================================= */

:root {
  --green-900: #0F3D14;
  --green-700: #1B5E20;
  --green-500: #2E7D32;
  --green-400: #43A047;
  --gray-50:  #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-600: #757575;
  --gray-800: #424242;
  --gray-900: #212121;
  --white:    #FFFFFF;
  --accent:   #FFB300;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.12);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.15);
  --radius:   8px;
  --radius-lg: 14px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin: 0 0 .5em;
}
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.25rem); margin-top: 0; }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 26px;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  text-align: center;
  line-height: 1.1;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; box-shadow: var(--shadow-md); }
.btn-primary { background: var(--green-700); color: var(--white); }
.btn-primary:hover { background: var(--green-500); color: var(--white); }
.btn-accent { background: var(--accent); color: var(--gray-900); }
.btn-accent:hover { background: #FFA000; color: var(--gray-900); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--green-700); }
.btn-large { padding: 18px 32px; font-size: 1.1rem; }
.btn-block { display: block; width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 100;
  transition: box-shadow .2s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--green-700);
  text-decoration: none;
}
.logo-icon { font-size: 1.6rem; }
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--green-700);
}
.header-phone:hover { text-decoration: none; color: var(--green-500); }

/* ===== Hero ===== */
.hero {
  position: relative;
  background:
    linear-gradient(rgba(15,61,20,.78), rgba(15,61,20,.78)),
    url('images/hero-homepage.jpg') center/cover no-repeat;
  color: var(--white);
  padding: 80px 20px 90px;
  text-align: center;
}
.hero h1 {
  color: var(--white);
  max-width: 900px;
  margin: 0 auto .35em;
  text-shadow: 0 2px 10px rgba(0,0,0,.3);
}
.hero .sub {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  max-width: 760px;
  margin: 0 auto 28px;
  opacity: .95;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 28px;
}
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  justify-content: center;
  font-weight: 600;
  font-size: .98rem;
  opacity: .95;
}
.trust-badges span::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: 800;
}

/* ===== Sections ===== */
.section {
  padding: 70px 20px;
}
.section.alt { background: var(--gray-100); }
.section.dark { background: var(--green-900); color: var(--white); }
.section.dark h2 { color: var(--white); }
.section-head {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}
.section-head p { color: var(--gray-600); font-size: 1.1rem; }
.section.dark .section-head p { color: rgba(255,255,255,.85); }

/* ===== Services Grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-400);
}
.service-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}
.service-card h3 {
  color: var(--green-700);
  margin: 0 0 10px;
  font-size: 1.2rem;
}
.service-card p { color: var(--gray-800); margin: 0; }

/* ===== Why Choose Us ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.why-item {
  text-align: center;
  padding: 24px 18px;
}
.why-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green-700);
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 14px;
}
.why-item h3 { color: var(--green-700); margin-bottom: 6px; }
.why-item p { color: var(--gray-800); margin: 0; }

/* ===== Lead Form ===== */
.form-section { background: var(--gray-100); }
.form-card {
  background: var(--white);
  max-width: 640px;
  margin: 0 auto;
  padding: 36px 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: 6px solid var(--green-700);
}
.form-card h2 { text-align: center; }
.form-card .sub { text-align: center; color: var(--gray-600); margin-bottom: 24px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-group { margin-bottom: 14px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gray-800);
  font-size: .95rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(46,125,50,.15);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-disclaimer {
  text-align: center;
  font-size: .85rem;
  color: var(--gray-600);
  margin-top: 14px;
}
.form-success {
  display: none;
  text-align: center;
  padding: 28px 16px;
  background: #E8F5E9;
  border: 2px solid var(--green-500);
  border-radius: var(--radius);
  color: var(--green-900);
}
.form-success.show { display: block; }
.form-success h3 {
  color: var(--green-700);
  margin-bottom: 8px;
  font-size: 1.4rem;
}
.form-success .check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--green-500);
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 12px;
}

/* ===== Areas ===== */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  max-width: var(--maxw);
  margin: 0 auto 28px;
}
.area-chip {
  display: block;
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 14px 16px;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
  color: var(--green-700);
  transition: all .15s ease;
}
.area-chip:hover {
  background: var(--green-700);
  color: var(--white);
  text-decoration: none;
  border-color: var(--green-700);
}
.areas-note {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  color: var(--gray-800);
  background: var(--white);
  border-left: 4px solid var(--green-500);
  padding: 18px 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  text-align: left;
}

/* ===== FAQ Accordion ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 18px 22px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: inherit;
}
.faq-question:hover { background: var(--gray-50); }
.faq-toggle {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-700);
  transition: transform .2s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  padding: 0 22px;
  color: var(--gray-800);
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 22px 18px;
}

/* ===== Social Proof Strip ===== */
.social-proof {
  background: var(--green-700);
  color: var(--white);
  padding: 40px 20px;
}
.social-proof-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}
.proof-stat .num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
  line-height: 1;
}
.proof-stat .label { font-size: .95rem; opacity: .95; }

/* ===== Footer ===== */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 50px 20px 24px;
  font-size: .95rem;
}
.footer-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  padding-bottom: 30px;
  border-bottom: 1px solid #424242;
}
.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.footer-col a { color: var(--gray-300); }
.footer-col a:hover { color: var(--accent); }
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li { margin-bottom: 8px; }
.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: .85rem;
  color: var(--gray-600);
}
.footer-disclaimer {
  max-width: var(--maxw);
  margin: 14px auto 0;
  font-size: .8rem;
  color: var(--gray-600);
  font-style: italic;
}

/* ===== Floating mobile call button ===== */
.mobile-call {
  display: none;
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: var(--green-700);
  color: var(--white);
  text-align: center;
  padding: 14px;
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  text-decoration: none;
}
.mobile-call:hover { color: var(--white); text-decoration: none; background: var(--green-500); }

/* ===== Service / Area page layout ===== */
.page-hero {
  background: linear-gradient(rgba(15,61,20,.85), rgba(15,61,20,.85)),
              url('../images/hero-page.jpg') center/cover no-repeat;
  color: var(--white);
  padding: 60px 20px;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 8px; }
.page-hero p { opacity: .95; font-size: 1.1rem; max-width: 700px; margin: 0 auto; }

.content-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 60px 20px;
}
.content-img {
  width: 100%;
  border-radius: var(--radius);
  margin: 0 auto 28px;
  box-shadow: var(--shadow-sm);
  display: block;
}
.article-body h2 { color: var(--green-700); margin-top: 1.5em; }
.article-body h3 { color: var(--green-700); margin-top: 1.2em; }
.article-body ul { padding-left: 22px; }
.article-body ul li { margin-bottom: 6px; }
.sidebar {
  position: sticky;
  top: 90px;
  align-self: start;
}
.sidebar .form-card { padding: 24px 22px; margin: 0; }
.sidebar .form-card h3 { margin-top: 0; color: var(--green-700); text-align: center; }
.related-pages { margin-top: 30px; background: var(--gray-100); padding: 20px; border-radius: var(--radius); }
.related-pages h4 { margin: 0 0 10px; color: var(--gray-900); }
.related-pages ul { list-style: none; padding: 0; margin: 0; }
.related-pages li { margin-bottom: 6px; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .content-layout { grid-template-columns: 1fr; padding: 40px 20px; }
  .sidebar { position: static; }
}

@media (max-width: 720px) {
  .form-row { grid-template-columns: 1fr; }
  .header-phone span.phone-label { display: none; }
  .header-actions .btn { display: none; }
  .hero { padding: 60px 18px 70px; }
  .section { padding: 50px 18px; }
  .mobile-call { display: block; }
  body { padding-bottom: 70px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .logo { font-size: 1.05rem; }
  .header-phone { font-size: 1rem; }
  .trust-badges { flex-direction: column; gap: 10px; }
  .hero-ctas .btn { width: 100%; }
}