/* =========================================
   Kern Tree & Landscape
   Landing Page Styles
   Responsive + Accessibility Updates
   ========================================= */

:root {
  --color-primary: #1f5f2e;
  --color-primary-dark: #164722;
  --color-secondary: #8b5e34;
  --color-accent: #f4b942;

  --color-bg: #ffffff;
  --color-bg-soft: #f6f3ee;
  --color-bg-dark: #132018;

  --color-text: #1f2933;
  --color-text-muted: #4f5f55;
  --color-white: #ffffff;
  --color-border: #ded8ce;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.14);

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

  --container: 1180px;
}

/* Reset / Base */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

/* Accessibility helpers */

.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 9999;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--color-white);
  color: var(--color-primary-dark);
  font-weight: 900;
  box-shadow: var(--shadow-sm);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  clip: rect(0, 0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

.main-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  min-height: 44px;
  min-width: 44px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-primary-dark);
  font-weight: 900;
  cursor: pointer;
}

.header-call {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
  transition: background 180ms ease, transform 180ms ease;
}

.header-call:hover,
.header-call:focus {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0;
  color: var(--color-white);
  background:
    linear-gradient(
      110deg,
      rgba(19, 32, 24, 0.96) 0%,
      rgba(31, 95, 46, 0.92) 52%,
      rgba(31, 95, 46, 0.72) 100%
    ),
    radial-gradient(circle at 10% 20%, rgba(244, 185, 66, 0.28), transparent 34%),
    var(--color-primary);
}

.hero::after {
  content: "";
  position: absolute;
  right: -160px;
  bottom: -180px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: rgba(244, 185, 66, 0.14);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 430px;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.hero .eyebrow,
.contact-section .eyebrow,
.commercial-box .eyebrow {
  color: var(--color-accent);
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.4rem, 5vw, 4.9rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.hero-subtitle {
  max-width: 720px;
  margin: 24px 0 0;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  text-align: center;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: var(--color-accent);
  color: #1f241c;
}

.btn-primary:hover,
.btn-primary:focus {
  background: #ffd067;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(255, 255, 255, 0.2);
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  max-width: 620px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.94);
  font-weight: 700;
}

.trust-list li {
  position: relative;
  padding-left: 24px;
}

.trust-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 900;
}

/* Forms */

.hero-card,
.contact-form {
  background: var(--color-white);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-card {
  padding: 30px;
}

.hero-card h2 {
  margin: 0 0 8px;
  font-size: 1.55rem;
  line-height: 1.15;
  color: var(--color-primary);
}

.hero-card p {
  margin: 0 0 20px;
  color: var(--color-text-muted);
}

.lead-form {
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  gap: 6px;
}

.form-row label {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-text);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 13px;
  color: var(--color-text);
  background: var(--color-white);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-row textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 95, 46, 0.16);
}

.field-help {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.form-submit {
  width: 100%;
  margin-top: 4px;
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
  text-align: center;
}

.form-note a {
  color: var(--color-primary);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Sections */

.section {
  padding: 84px 0;
}

.section-alt {
  background: var(--color-bg-soft);
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading h2,
.commercial-grid h2,
.contact-grid h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--color-primary-dark);
}

.section-heading p,
.commercial-grid p,
.contact-grid p {
  margin: 16px 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* Cards */

.service-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-card,
.feature-card,
.commercial-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  padding: 24px;
  box-shadow: 0 8px 20px rgba(19, 32, 24, 0.04);
}

.service-card h3,
.feature-card h3,
.commercial-box h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  color: var(--color-primary);
}

.service-card p,
.feature-card p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Commercial */

.commercial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 48px;
  align-items: center;
}

.check-list,
.commercial-box ul {
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.commercial-box li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 11px;
  color: var(--color-text);
}

.check-list li::before,
.commercial-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-primary);
  font-weight: 900;
}

.commercial-box {
  background: var(--color-primary-dark);
  color: var(--color-white);
  border: 0;
}

.commercial-box h3 {
  color: var(--color-accent);
}

.commercial-box li {
  color: rgba(255, 255, 255, 0.94);
}

.commercial-box li::before {
  color: var(--color-accent);
}

/* Service Areas */

.area-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.area-list li {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  font-weight: 800;
  text-align: center;
  color: var(--color-primary-dark);
}

/* Contact */

.contact-section {
  background:
    linear-gradient(rgba(19, 32, 24, 0.92), rgba(19, 32, 24, 0.92)),
    var(--color-bg-dark);
  color: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 52px;
  align-items: center;
}

.contact-grid h2 {
  color: var(--color-white);
}

.contact-grid p {
  color: rgba(255, 255, 255, 0.88);
}

.contact-callout {
  margin-top: 28px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}

.contact-callout span {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.contact-callout a {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-form {
  padding: 30px;
}

/* Footer */

.site-footer {
  background: #0f1712;
  color: rgba(255, 255, 255, 0.86);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.site-footer strong {
  display: block;
  color: var(--color-white);
  font-size: 1.05rem;
}

.site-footer p {
  margin: 4px 0 0;
}

.site-footer a {
  display: block;
  color: var(--color-accent);
  font-weight: 900;
  text-align: right;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer span {
  display: block;
  margin-top: 4px;
  text-align: right;
}

/* Responsive */

@media (max-width: 980px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    order: 2;
  }

  .header-call {
    order: 3;
  }

  .main-nav {
    display: none;
    order: 4;
    width: 100%;
    padding: 12px 0 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    min-height: 44px;
    padding: 8px 0;
  }

  .hero-grid,
  .commercial-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .contact-form {
    max-width: 620px;
  }

  .service-grid,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .area-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .header-inner {
    min-height: 68px;
  }

  .logo {
    font-size: 1rem;
  }

  .header-call {
    width: 100%;
    font-size: 0.95rem;
  }

  .menu-toggle {
    margin-left: auto;
  }

  .hero {
    padding: 58px 0;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.45rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .trust-list {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .contact-form {
    padding: 22px;
  }

  .section {
    padding: 62px 0;
  }

  .service-grid,
  .feature-grid,
  .area-list {
    grid-template-columns: 1fr;
  }

  .contact-callout {
    width: 100%;
  }

  .contact-callout a {
    font-size: 1.45rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer a,
  .site-footer span {
    text-align: left;
  }
}