/* =============================================
   Santos Landscape San Antonio — Landscaping Website Styles
   ============================================= */

:root {
  --green-900: #123524;
  --green-800: #1a4d33;
  --green-700: #226640;
  --green-600: #2d7a4c;
  --green-500: #3a9660;
  --green-400: #5cb680;
  --green-100: #e6f4ea;
  --green-50: #f3faf5;
  --earth-brown: #8a6240;
  --sun-gold: #e8a93a;
  --ink-900: #16211b;
  --ink-700: #3a4a41;
  --ink-500: #667a6f;
  --white: #ffffff;
  --off-white: #fafcf9;
  --border-light: #e2ece4;
  --shadow-sm: 0 2px 8px rgba(18, 53, 36, 0.08);
  --shadow-md: 0 8px 24px rgba(18, 53, 36, 0.12);
  --shadow-lg: 0 20px 48px rgba(18, 53, 36, 0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --font-head: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--off-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--green-900);
  line-height: 1.2;
  font-weight: 700;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-600);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 12px;
}
.eyebrow.center { justify-content: center; width: 100%; }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); margin-bottom: 16px; }
.section-sub { color: var(--ink-500); font-size: 1.05rem; }
.section-sub.light { color: #cfe3d7; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green-600);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--green-700); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-white {
  background: #fff;
  color: var(--green-700);
}
.btn-white:hover { background: var(--green-100); transform: translateY(-2px); }
.btn-lg { padding: 17px 36px; font-size: 1.05rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none !important; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(250, 252, 249, 0.0);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 18px 0;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.35rem;
  color: #fff;
  transition: color 0.3s ease;
}
.site-header.scrolled .logo { color: var(--green-900); }
.logo i { color: var(--green-400); font-size: 1.6rem; }
.logo em { color: var(--sun-gold); font-style: normal; }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.logo-text small {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: #cfe3d7;
  opacity: 0.9;
}
.site-header.scrolled .logo-text small { color: var(--green-600); }
.footer-brand .logo-text small { color: #a9c2b1; }

.main-nav ul { display: flex; gap: 32px; }
.main-nav a {
  font-weight: 500;
  font-size: 0.98rem;
  color: #fff;
  position: relative;
  transition: color 0.3s ease;
  padding: 4px 0;
}
.site-header.scrolled .main-nav a { color: var(--ink-700); }
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--green-500);
  transition: width 0.25s ease;
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: var(--green-400); }
.site-header.scrolled .main-nav a:hover { color: var(--green-600); }

.header-actions { display: flex; align-items: center; gap: 20px; }
.header-phone {
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-weight: 600; font-size: 0.95rem;
  transition: color 0.3s ease;
}
.site-header.scrolled .header-phone { color: var(--green-800); }
.nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: #fff;
}
.site-header.scrolled .nav-toggle { color: var(--green-900); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 35, 22, 0.75) 0%, rgba(10, 40, 25, 0.55) 45%, rgba(8, 30, 18, 0.85) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  color: #fff;
  padding-top: 90px;
  max-width: 800px;
}
.hero-inner .eyebrow { color: #a8e6bf; }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  color: #fff;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.15rem;
  color: #e2f0e6;
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.25);
  padding-top: 28px;
}
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-head); font-size: 1.7rem; color: var(--sun-gold); }
.hero-stats span { font-size: 0.88rem; color: #cfe3d7; }

.scroll-down {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 1.4rem;
  z-index: 2;
  animation: bounce 2s infinite;
  opacity: 0.85;
}
@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--green-900);
  padding: 18px 0;
}
.trust-inner {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 36px;
  color: #cfe3d7;
  font-size: 0.9rem;
  font-weight: 500;
}
.trust-inner span { display: flex; align-items: center; gap: 8px; }
.trust-inner i { color: var(--sun-gold); }

/* ---------- Services ---------- */
.services { padding: 100px 0; background: var(--off-white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-light);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-img {
  height: 190px;
  background-size: cover;
  background-position: center;
}
.service-body { padding: 28px; }
.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--green-100);
  color: var(--green-600);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
  margin-top: -56px;
  position: relative;
  border: 4px solid #fff;
}
.service-body h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-body p { color: var(--ink-500); font-size: 0.95rem; margin-bottom: 16px; }
.service-link {
  color: var(--green-600);
  font-weight: 600;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
}
.service-link:hover { gap: 10px; color: var(--green-700); }

/* ---------- Why Us ---------- */
.why-us { padding: 100px 0; background: var(--green-50); }
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why-image { position: relative; }
.why-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  aspect-ratio: 4/3.4;
  object-fit: cover;
}
.why-badge {
  position: absolute;
  bottom: -24px; right: -24px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.why-badge i { font-size: 1.8rem; color: var(--sun-gold); }
.why-badge strong { display: block; font-family: var(--font-head); color: var(--green-900); }
.why-badge span { font-size: 0.85rem; color: var(--ink-500); }

.why-content h2 { margin-bottom: 16px; }
.why-list { margin: 32px 0; display: flex; flex-direction: column; gap: 22px; }
.why-list li { display: flex; gap: 16px; align-items: flex-start; }
.why-list i {
  width: 30px; height: 30px; min-width: 30px;
  background: var(--green-600);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  margin-top: 3px;
}
.why-list strong { display: block; color: var(--green-900); margin-bottom: 3px; }
.why-list span { color: var(--ink-500); font-size: 0.93rem; }
.why-cta { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.why-call { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--green-700); }

/* ---------- Stats Banner ---------- */
.stats-banner {
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  padding: 56px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}
.stat-item { color: #fff; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.stat-item i { font-size: 1.6rem; color: var(--sun-gold); margin-bottom: 6px; }
.stat-item strong { font-family: var(--font-head); font-size: 2rem; }
.stat-item span { font-size: 0.88rem; color: #cfe3d7; }

/* ---------- Gallery ---------- */
.gallery { padding: 100px 0; background: var(--off-white); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 18px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}
.gallery-item.large { grid-column: span 2; grid-row: span 2; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,30,18,0.75) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-tag {
  position: absolute;
  bottom: 16px; left: 16px;
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
  z-index: 2;
}
.gallery-item:hover .gallery-tag { opacity: 1; transform: translateY(0); }

/* ---------- Gallery Lightbox ---------- */
.gallery-item { cursor: pointer; }
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8, 20, 13, 0.94);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.active { display: flex; }
.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.lightbox-content img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  object-fit: contain;
}
.lightbox-content figcaption {
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
  text-align: center;
}
.lightbox-close, .lightbox-nav {
  position: fixed;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-radius: 50%;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  transition: background 0.2s ease;
  z-index: 2001;
}
.lightbox-close:hover, .lightbox-nav:hover { background: rgba(255,255,255,0.25); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

@media (max-width: 600px) {
  .lightbox { padding: 16px; }
  .lightbox-close { top: 12px; right: 12px; width: 40px; height: 40px; }
  .lightbox-prev { left: 8px; width: 40px; height: 40px; }
  .lightbox-next { right: 8px; width: 40px; height: 40px; }
}

/* ---------- Process ---------- */
.process { padding: 100px 0; background: var(--green-900); }
.process .section-head h2, .process .eyebrow { color: #fff; }
.process .eyebrow { color: #a8e6bf; }
.process .section-sub { color: #b8ccbe; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 32px;
}
.process-step {
  text-align: center;
  padding: 36px 24px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
  transition: background 0.3s ease;
}
.process-step:hover { background: rgba(255,255,255,0.09); }
.process-num {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--sun-gold);
  color: var(--green-900);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.process-step h3 { color: #fff; margin-bottom: 10px; font-size: 1.15rem; }
.process-step p { color: #b8ccbe; font-size: 0.92rem; }

/* ---------- Testimonials ---------- */
.testimonials { padding: 100px 0; background: var(--green-50); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.testimonial-stars { color: var(--sun-gold); margin-bottom: 14px; font-size: 0.95rem; }
.testimonial-text { color: var(--ink-700); font-size: 0.98rem; margin-bottom: 20px; font-style: italic; }
.testimonial-footer { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--green-600);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-family: var(--font-head);
}
.testimonial-name { font-weight: 600; color: var(--green-900); font-size: 0.95rem; }
.testimonial-loc { color: var(--ink-500); font-size: 0.82rem; }
.loading-msg { text-align: center; color: var(--ink-500); grid-column: 1/-1; }

/* ---------- Contact ---------- */
.contact {
  padding: 100px 0;
  background: linear-gradient(160deg, var(--green-800), var(--green-900));
  color: #fff;
}
.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
.contact-info h2 { color: #fff; margin-bottom: 16px; font-size: clamp(1.8rem, 3vw, 2.4rem); }
.contact-info .eyebrow { color: #a8e6bf; }
.contact-details { margin: 36px 0; display: flex; flex-direction: column; gap: 22px; }
.contact-details li { display: flex; gap: 16px; align-items: flex-start; }
.contact-details i {
  width: 44px; height: 44px; min-width: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--sun-gold);
  font-size: 1.1rem;
}
.contact-details strong { display: block; color: #fff; margin-bottom: 2px; font-size: 0.95rem; }
.contact-details span, .contact-details a { color: #cfe3d7; font-size: 0.93rem; }
.contact-details a:hover { color: var(--sun-gold); }

.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  transition: all 0.25s ease;
}
.social-links a:hover { background: var(--sun-gold); color: var(--green-900); }

.contact-form-wrap {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.quote-form h3 { color: var(--green-900); margin-bottom: 24px; font-size: 1.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--ink-700); margin-bottom: 7px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink-900);
  background: var(--off-white);
  transition: border-color 0.25s ease, box-shadow 0.25s 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(58, 150, 96, 0.15);
  background: #fff;
}
.form-group textarea { resize: vertical; }
.form-status { margin-top: 14px; text-align: center; font-size: 0.92rem; font-weight: 500; min-height: 1.2em; }
.form-status.success { color: var(--green-600); }
.form-status.error { color: #c0392b; }

.quote-form-note {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--green-50);
  border: 1px solid var(--border-light);
  color: var(--ink-700);
  font-size: 0.85rem;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
}
.quote-form-note i { color: var(--green-600); }

.btn-outline-green {
  background: transparent;
  color: var(--green-600);
  border: 2px solid var(--green-600);
}
.btn-outline-green:hover { background: var(--green-600); color: #fff; }

/* ---------- Auto-response confirmation ---------- */
.auto-response {
  text-align: center;
  padding: 10px 4px 4px;
}
.auto-response-icon {
  font-size: 3rem;
  color: var(--green-600);
  margin-bottom: 14px;
}
.auto-response h3 {
  color: var(--green-900);
  font-size: 1.35rem;
  margin-bottom: 10px;
}
.auto-response-line {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--green-700);
  margin-bottom: 20px;
}
.auto-response-details {
  background: var(--green-50);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  text-align: left;
  margin-bottom: 20px;
}
.auto-response-details p {
  font-size: 0.9rem;
  color: var(--ink-700);
  margin: 4px 0;
}
.auto-response hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 20px 0;
}
.auto-response-company {
  font-style: normal;
  text-align: left;
  font-size: 0.92rem;
  color: var(--ink-700);
  line-height: 1.9;
  margin-bottom: 24px;
}
.auto-response-company strong { color: var(--green-900); font-size: 1rem; }
.auto-response-company i { color: var(--green-600); width: 16px; }
.auto-response-company a { color: var(--ink-700); }
.auto-response-company a:hover { color: var(--green-600); }

/* ---------- CTA Strip ---------- */
.cta-strip { background: var(--sun-gold); padding: 56px 0; }
.cta-strip-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-strip h2 { color: var(--green-900); font-size: 1.7rem; margin-bottom: 6px; }
.cta-strip p { color: #5a4720; max-width: 480px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-900); color: #cfe3d7; padding-top: 72px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p { margin: 18px 0 20px; font-size: 0.92rem; color: #a9c2b1; }
.footer-col h4 { color: #fff; margin-bottom: 20px; font-size: 1.05rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.92rem; color: #b8ccbe; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--sun-gold); }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: #b8ccbe; }
.footer-contact i { color: var(--sun-gold); width: 16px; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  padding: 22px 0;
  font-size: 0.85rem;
  color: #96ac9c;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom-inner i { color: #d9534f; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  background: var(--green-600);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 900;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--green-700); }

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 992px) {
  .why-inner, .contact-inner { grid-template-columns: 1fr; }
  .why-image { margin-bottom: 24px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.large { grid-column: span 2; grid-row: span 1; aspect-ratio: 2/1; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  .header-phone { display: none; }
  .site-header.nav-open .main-nav {
    display: block;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    box-shadow: var(--shadow-md);
    padding: 20px 24px;
  }
  .site-header.nav-open .main-nav ul { flex-direction: column; gap: 18px; }
  .site-header.nav-open .main-nav a { color: var(--ink-700); }
  .hero-stats { gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 26px; }
  .cta-strip-inner { text-align: center; justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; }
  .trust-inner { gap: 18px; font-size: 0.82rem; }
}

@media (max-width: 520px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
}