/* Tree Service Kingwood TX — mobile-first, outdoors blue/green */

:root {
  --green-900: #0f3d2e;
  --green-800: #14532d;
  --green-700: #166534;
  --green-600: #15803d;
  --green-100: #dcfce7;
  --green-50: #f0fdf4;
  --blue-900: #0c4a6e;
  --blue-700: #0369a1;
  --blue-100: #e0f2fe;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(15, 61, 46, 0.12);
  --max: 1080px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--slate-700);
  background: var(--white);
}

img {
  max-width: 100%;
}

a {
  color: var(--blue-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--green-700);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--green-800);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--slate-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--green-900);
  line-height: 1.15;
}

.logo-mark {
  font-size: 1.6rem;
}

.logo-text {
  font-size: 0.8rem;
  font-weight: 500;
}

.logo-text strong {
  font-size: 1rem;
  font-weight: 700;
}

.nav {
  display: none;
  gap: 1rem;
  align-items: center;
  font-size: 0.95rem;
}

.nav a {
  color: var(--slate-700);
  text-decoration: none;
  font-weight: 500;
}

.nav a:hover {
  color: var(--green-700);
}

.nav-cta {
  background: var(--green-700);
  color: var(--white) !important;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
}

.nav-cta:hover {
  background: var(--green-800);
  color: var(--white) !important;
}

@media (min-width: 760px) {
  .nav {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: none;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--green-700);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-800);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--green-800);
  border: 2px solid var(--green-600);
}

.btn-secondary:hover {
  background: var(--green-50);
  color: var(--green-900);
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  background:
    linear-gradient(135deg, rgba(15, 61, 46, 0.92), rgba(12, 74, 110, 0.85)),
    radial-gradient(circle at 20% 20%, rgba(220, 252, 231, 0.25), transparent 45%),
    linear-gradient(160deg, #14532d, #0c4a6e);
  color: var(--white);
  padding: 3rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: 1.4fr 0.9fr;
    align-items: center;
  }
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15;
  color: var(--white);
}

.lead {
  margin: 0 0 1.1rem;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 38rem;
}

.hero-points {
  margin: 0 0 1.5rem;
  padding-left: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-points li {
  margin-bottom: 0.35rem;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  padding: 1.4rem;
  backdrop-filter: blur(6px);
}

.hero-card-title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: var(--white);
}

.hero-card p {
  margin: 0 0 1rem;
  color: rgba(255, 255, 255, 0.9);
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--green-50);
}

.section h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--green-900);
}

.section-intro {
  margin: 0 0 1.5rem;
  max-width: 40rem;
  color: var(--slate-600);
}

.card-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 2px 8px rgba(15, 61, 46, 0.04);
}

.card h3 {
  margin: 0 0 0.4rem;
  color: var(--green-800);
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--slate-600);
}

.area-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.area-list li {
  background: var(--white);
  border-left: 4px solid var(--green-600);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.85rem 1rem;
  box-shadow: 0 1px 4px rgba(15, 61, 46, 0.05);
}

.why-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-item {
  background: var(--slate-100);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.why-item h3 {
  margin: 0 0 0.4rem;
  color: var(--blue-900);
  font-size: 1.05rem;
}

.why-item p {
  margin: 0;
  font-size: 0.95rem;
}

.soft-note {
  margin: 1.5rem 0 0;
  padding: 0.9rem 1rem;
  background: var(--blue-100);
  border-radius: var(--radius);
  color: var(--blue-900);
  font-size: 0.95rem;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.65rem;
}

details {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

summary {
  cursor: pointer;
  font-weight: 650;
  color: var(--green-900);
}

details p {
  margin: 0.65rem 0 0;
  color: var(--slate-600);
}

/* Form */
.form-section {
  background:
    linear-gradient(180deg, var(--white), var(--green-50));
}

.form-wrap {
  max-width: 640px;
}

.estimate-form {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.form-row {
  margin-bottom: 1rem;
}

.form-grid-2 {
  display: grid;
  gap: 0;
}

@media (min-width: 560px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  color: var(--slate-900);
  font-size: 0.92rem;
}

.req {
  color: #b91c1c;
}

.optional {
  font-weight: 500;
  color: var(--slate-500);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  font: inherit;
  color: var(--slate-900);
  background: var(--white);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--green-600);
  outline-offset: 1px;
  border-color: var(--green-600);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

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

.source-hint {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--slate-500);
}

.source-hint code {
  font-size: 0.78rem;
  background: var(--slate-100);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.form-footnote {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  color: var(--slate-500);
}

.form-status {
  margin: 0.9rem 0 0;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

.form-status.ok {
  background: var(--green-100);
  color: var(--green-900);
}

.form-status.err {
  background: #fee2e2;
  color: #991b1b;
}

.form-status.warn {
  background: #fef3c7;
  color: #92400e;
}

/* Footer */
.site-footer {
  background: var(--green-900);
  color: rgba(255, 255, 255, 0.88);
  padding: 2rem 0 2.5rem;
}

.footer-inner p {
  margin: 0 0 0.85rem;
}

.footer-brand {
  font-size: 1rem;
}

.privacy {
  font-size: 0.9rem;
  max-width: 48rem;
  line-height: 1.55;
}

.footer-meta {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0 !important;
}