/* 
  Spring Nursery & Landscape Inc.
  Luxury Lawn & Landscape Architecture - Global Stylesheet
*/

/* ----------------------------------------------------
   1. Design System & CSS Variables
---------------------------------------------------- */
:root {
  /* Harmonious Calm Neutral Palette */
  --color-stone: #F4F3EF;
  /* Warm soft light gray */
  --color-charcoal: #1E1F22;
  /* Refined deep charcoal */
  --color-taupe: #8E8373;
  /* Muted warm taupe accent */
  --color-sand: #EFECE6;
  /* Subtle lighter sand background */
  --color-white: #FFFFFF;
  --color-border: rgba(30, 31, 34, 0.12);
  /* Subtle charcoal border */
  --color-overlay: rgba(30, 31, 34, 0.45);
  /* High-contrast hero text protection overlay */
  --color-focus: #8E8373;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Layout */
  --header-height: 80px;
  --header-height-scrolled: 70px;
  --container-max-width: 1440px;

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
}

/* Dark Mode Preference or Default Overrides */
@media (prefers-color-scheme: dark) {
  /* We keep the luxury light-stone design as default per brand direction, 
     but provide a balanced editorial high-contrast layout */
}

/* ----------------------------------------------------
   2. Reset & Global Styles
---------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--color-stone);
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Strict Rectangular Rule */
*,
*::before,
*::after {
  border-radius: 0 !important;
  /* No rounded borders anywhere */
}

/* Typography elements */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: #4A4B4E;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h2.hero-title {
  color: #FFFFFF;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-charcoal);
  color: var(--color-stone);
  padding: 1rem 1.5rem;
  z-index: 9999;
  font-weight: 500;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--color-taupe);
}

/* Accessible Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

/* ----------------------------------------------------
   3. Navigation & Header
---------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(30, 31, 34, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.header.scrolled {
  height: var(--header-height-scrolled);
  background-color: rgba(30, 31, 34, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.header.scrolled .logo-text,
.header.scrolled .nav-link,
.header.scrolled .btn-outline {
  color: var(--color-stone);
}

.header.scrolled .nav-link::after {
  background-color: var(--color-taupe);
}

.header.scrolled .btn-outline {
  border-color: rgba(244, 243, 239, 0.3);
}

.header.scrolled .btn-outline:hover {
  background-color: var(--color-stone);
  color: var(--color-charcoal);
  border-color: var(--color-stone);
}

.nav-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--color-white);
  transition: var(--transition-smooth);
}

.logo-text span {
  font-weight: 300;
  color: var(--color-taupe);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-white);
  padding: 0.5rem 0;
  transition: opacity 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-link:hover {
  opacity: 0.85;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link.active {
  font-weight: 600;
}

/* Header CTAs */
.nav-ctas {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Hamburger Menu Button */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1010;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 1px;
  background-color: var(--color-white);
  margin: 6px 0;
  transition: var(--transition-smooth);
}

/* Adjust header values for inside pages where header might be on a light background */
.header.light-bg:not(.scrolled) {
  background-color: rgba(244, 243, 239, 0.9);
  border-bottom: 1px solid var(--color-border);
}

.header.light-bg:not(.scrolled) .logo-text,
.header.light-bg:not(.scrolled) .nav-link {
  color: var(--color-charcoal);
}

.header.light-bg:not(.scrolled) .nav-link::after {
  background-color: var(--color-charcoal);
}

.header.light-bg:not(.scrolled) .btn-outline {
  color: var(--color-charcoal);
  border-color: rgba(30, 31, 34, 0.3);
}

.header.light-bg:not(.scrolled) .btn-outline:hover {
  background-color: var(--color-charcoal);
  color: var(--color-stone);
}

.header.light-bg:not(.scrolled) .hamburger-line {
  background-color: var(--color-charcoal);
}

/* ----------------------------------------------------
   4. Buttons & Interactive Elements
---------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.1rem 2.2rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background-color: var(--color-charcoal);
  color: var(--color-stone);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-charcoal);
  border: 1px solid var(--color-charcoal);
}

.btn-secondary:hover {
  background-color: var(--color-charcoal);
  color: var(--color-stone);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.8rem 1.6rem;
  font-size: 0.75rem;
}

.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-charcoal);
  border-color: var(--color-white);
}

.btn-text-link {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-taupe);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.2rem;
}

.btn-text-link:hover {
  border-color: var(--color-taupe);
  gap: 0.75rem;
}

/* ----------------------------------------------------
   5. Hero Sections
---------------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 650px;
  width: 100%;
  display: flex;
  align-items: center;
  background-color: var(--color-charcoal);
  overflow: hidden;
  color: var(--color-white);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  animation: heroZoom 15s ease-out forwards;
}

/* Dark gradient overlay for text legibility (WCAG AAA Contrast) */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      rgba(30, 31, 34, 0.85) 0%,
      rgba(30, 31, 34, 0.7) 40%,
      rgba(30, 31, 34, 0.2) 100%);
  z-index: 2;
}

.hero-container {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 4rem;
}

.hero-content {
  max-width: 680px;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-taupe);
  margin-bottom: 1.5rem;
  display: block;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 1.15;
  margin-bottom: 2rem;
}

.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  color: rgba(244, 243, 239, 0.85);
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  gap: 1.5rem;
}

/* Inner Page Hero (Shorter) */
.hero-inner {
  height: 55vh;
  min-height: 380px;
  background-color: var(--color-charcoal);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-bottom: 5rem;
  color: var(--color-white);
  overflow: hidden;
}

.hero-inner-container {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 4rem;
}

/* ----------------------------------------------------
   6. Global Layout Sections
---------------------------------------------------- */
.section {
  padding: 8.5rem 0;
  position: relative;
}

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

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

.section-bg-charcoal {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

.section-bg-charcoal h2,
.section-bg-charcoal h3,
.section-bg-charcoal h4 {
  color: var(--color-white);
}

.section-bg-charcoal p {
  color: rgba(244, 243, 239, 0.75);
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 4rem;
}

/* Section Header styling */
.section-header {
  max-width: 650px;
  margin-bottom: 4.5rem;
}

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-taupe);
  margin-bottom: 1rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1.5rem;
}

.section-desc {
  font-size: 1.125rem;
  color: #6B6D72;
}

/* ----------------------------------------------------
   7. Home: Specific Page Layouts
---------------------------------------------------- */
/* Horizontal Inquiry/Filter Bar */
.inquiry-bar-wrapper {
  position: relative;
  margin-top: -60px;
  z-index: 10;
  padding: 0 4rem;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
}

.inquiry-bar {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 2rem 3rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.inquiry-bar-info {
  flex: 1;
}

.inquiry-bar-title {
  font-size: 1.125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
  color: var(--color-charcoal);
}

.inquiry-bar-text {
  font-size: 0.875rem;
  color: #6B6D72;
}

.inquiry-bar-ctas {
  display: flex;
  gap: 1.5rem;
}

/* Editorial Intro Grid */
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 6rem;
  align-items: center;
}

.intro-content {
  padding-right: 2rem;
}

.intro-content p {
  margin-bottom: 2rem;
}

.intro-image-container {
  position: relative;
}

.intro-image-container img {
  width: 100%;
  object-fit: cover;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.06);
}

/* Service Preview Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-taupe);
  box-shadow: 0 20px 40px rgba(30, 31, 34, 0.05);
}

.service-card-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 2rem;
  color: var(--color-taupe);
}

.service-card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service-card-desc {
  font-size: 0.875rem;
  color: #6B6D72;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.service-card-link {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-card-link svg {
  transition: transform 0.3s ease;
}

.service-card-link:hover svg {
  transform: translateX(4px);
}

/* Craftsmanship / Featured Section */
.featured-split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 6rem;
  align-items: center;
}

.featured-image-wrapper {
  position: relative;
}

.featured-image-wrapper img {
  width: 100%;
  object-fit: cover;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
}

.trust-bullets {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.trust-bullet-item h4 {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  color: var(--color-charcoal);
}

.trust-bullet-item p {
  font-size: 0.875rem;
  color: #6B6D72;
}

/* Challenge / Climate section */
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  margin-top: 4.5rem;
}

.challenge-box {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3rem;
  transition: var(--transition-smooth);
}

.challenge-box:hover {
  border-color: rgba(142, 131, 115, 0.4);
}

.challenge-tag {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-taupe);
  margin-bottom: 1rem;
  display: block;
}

.challenge-title {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.challenge-desc {
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.process-step {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  position: relative;
}

.process-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: rgba(142, 131, 115, 0.25);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.process-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.process-desc {
  font-size: 0.875rem;
  color: #6B6D72;
}

/* Service Area Section */
.service-areas-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
}

.area-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  list-style: none;
}

.area-item {
  font-size: 1rem;
  color: #4A4B4E;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.area-item::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--color-taupe);
  display: inline-block;
}

/* Testimonial Showcase */
.testimonial-wrapper {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  line-height: 1.4;
  margin-bottom: 2.5rem;
}

.testimonial-author {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-taupe);
  margin-bottom: 0.25rem;
}

.testimonial-location {
  font-size: 0.8125rem;
  color: #8C8E92;
}

/* ----------------------------------------------------
   8. About Us Page Layouts
---------------------------------------------------- */
.philosophy-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 6rem;
  align-items: flex-start;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-top: 5rem;
}

.value-item h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.value-item p {
  font-size: 0.875rem;
  color: #6B6D72;
}

/* ----------------------------------------------------
   9. Services Page Layouts
---------------------------------------------------- */
.services-detail-list {
  display: flex;
  flex-direction: column;
  gap: 8rem;
}

.service-detail-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.service-detail-item:nth-child(even) {
  direction: rtl;
}

.service-detail-item:nth-child(even) .service-detail-text {
  direction: ltr;
}

.service-detail-img img {
  width: 100%;
  object-fit: cover;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.05);
}

.service-detail-price {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-taupe);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.service-detail-title {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

.service-detail-desc {
  margin-bottom: 2rem;
}

/* ----------------------------------------------------
   10. Projects / Work Page Layouts
---------------------------------------------------- */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--color-border);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-charcoal);
  color: var(--color-stone);
  border-color: var(--color-charcoal);
}

.projects-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.project-item {
  position: relative;
  overflow: hidden;
  background-color: var(--color-sand);
  aspect-ratio: 4 / 3;
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg,
      rgba(30, 31, 34, 0.9) 0%,
      rgba(30, 31, 34, 0.4) 60%,
      transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.5rem;
  opacity: 0;
  z-index: 2;
  color: var(--color-white);
  transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-item:hover img {
  transform: scale(1.06);
}

.project-item:hover .project-overlay {
  opacity: 1;
}

.project-category {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-taupe);
  margin-bottom: 0.5rem;
}

.project-title {
  font-size: 1.375rem;
  margin-bottom: 0.25rem;
  color: var(--color-white);
}

.project-location {
  font-size: 0.8125rem;
  color: rgba(244, 243, 239, 0.7);
}

/* ----------------------------------------------------
   11. FAQ Page Layouts
---------------------------------------------------- */
.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
}

.faq-question-btn {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1.5rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.faq-question-text {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  color: var(--color-charcoal);
  transition: color 0.2s ease;
}

.faq-icon-svg {
  width: 16px;
  height: 16px;
  color: var(--color-taupe);
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-answer {
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s ease;
  opacity: 1;
}

.faq-answer-inner {
  padding-top: 0.5rem;
  padding-bottom: 1.5rem;
  color: #5C5D61;
}

.faq-answer-inner p {
  margin-bottom: 1rem;
}

.faq-answer-inner p:last-child {
  margin-bottom: 0;
}

/* Active FAQ states */
.faq-item.active .faq-question-text {
  color: var(--color-taupe);
}

.faq-item.active .faq-icon-svg {
  transform: rotate(45deg);
}

.faq-item.active .faq-answer {
  opacity: 1;
}

/* ----------------------------------------------------
   12. Contact Page Layouts
---------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 6rem;
  align-items: flex-start;
}

.contact-info-col h3 {
  font-size: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.contact-info-col h3:first-of-type {
  margin-top: 0;
}

.contact-info-list {
  list-style: none;
}

.contact-info-list li {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: #4A4B4E;
  display: flex;
  gap: 0.75rem;
}

.contact-info-list strong {
  color: var(--color-charcoal);
}

.map-placeholder {
  margin-top: 3.5rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-sand);
  width: 100%;
  height: 320px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-placeholder-content {
  text-align: center;
  padding: 2rem;
}

.map-placeholder svg {
  color: var(--color-taupe);
  margin-bottom: 1rem;
}

.map-placeholder-title {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  margin-bottom: 0.25rem;
}

.map-placeholder-desc {
  font-size: 0.75rem;
  color: #6B6D72;
}

/* Form Styles */
.contact-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 4rem;
  box-shadow: 0 30px 60px rgba(30, 31, 34, 0.03);
}

.form-title {
  font-size: 1.75rem;
  margin-bottom: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.form-group-full {
  grid-column: span 2;
}

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

.form-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
}

.form-control {
  background-color: var(--color-stone);
  border: 1px solid transparent;
  padding: 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-charcoal);
  transition: var(--transition-fast);
}

.form-control:focus {
  background-color: var(--color-white);
  border-color: var(--color-taupe);
  outline: none;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238E8373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.1rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

.form-submit-btn {
  margin-top: 1rem;
  width: 100%;
}

.form-success-msg {
  display: none;
  background-color: #EFECE6;
  border-left: 3px solid var(--color-taupe);
  padding: 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-charcoal);
  margin-bottom: 2rem;
}

/* ----------------------------------------------------
   13. Footer Section
---------------------------------------------------- */
.footer {
  background-color: var(--color-charcoal);
  color: rgba(244, 243, 239, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 7rem;
  padding-bottom: 3rem;
  margin-top: auto;
  font-size: 0.875rem;
}

.footer h3 {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-white);
  margin-bottom: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 5rem;
}

.footer-col-1 p {
  color: rgba(244, 243, 239, 0.7);
  margin-bottom: 2.5rem;
  max-width: 250px;
  line-height: 1.6;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.footer-logo span {
  color: var(--color-taupe);
}

.social-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: 1rem;
  display: block;
}

.social-links {
  display: flex;
  gap: 1.25rem;
}

.social-link {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(244, 243, 239, 0.75);
  transition: var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-taupe);
  color: var(--color-white);
  border-color: var(--color-taupe);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.85rem;
}

.footer-links a {
  color: rgba(244, 243, 239, 0.65);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

/* Service scroll container for multi-column links */
.footer-services-list {
  max-height: 250px;
  overflow-y: auto;
  padding-right: 1rem;
}

.footer-services-list::-webkit-scrollbar {
  width: 3px;
}

.footer-services-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

.footer-services-list::-webkit-scrollbar-thumb {
  background: var(--color-taupe);
}

.footer-contact-info p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: rgba(244, 243, 239, 0.45);
}

.footer-bottom-left {
  text-align: left;
}

/* ----------------------------------------------------
   14. Animations
---------------------------------------------------- */
@keyframes heroZoom {
  0% {
    transform: scale(1.03);
  }

  100% {
    transform: scale(1.08);
  }
}

/* Respect User Motion Preference */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-delay: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }

  .hero-bg img {
    transform: none !important;
    animation: none !important;
  }
}

/* ----------------------------------------------------
   15. Responsive Design Rules
---------------------------------------------------- */

/* --- Tablet Devices (max-width: 1024px) --- */
@media (max-width: 1024px) {
  :root {
    --header-height: 70px;
  }

  .nav-container {
    padding: 0 2rem;
  }

  .nav-menu {
    display: none;
    /* Collapses into mobile hamburger menu */
  }

  .nav-ctas .btn-outline {
    display: none;
    /* Hide primary CTA inside header on tablet, present in mobile slide-down menu */
  }

  .hamburger {
    display: block;
  }

  .container {
    padding: 0 2rem;
  }

  .inquiry-bar-wrapper {
    padding: 0 2rem;
  }

  .inquiry-bar {
    padding: 2rem;
    gap: 1.5rem;
  }

  .intro-grid,
  .featured-split,
  .service-areas-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .intro-content,
  .featured-split,
  .service-detail-item {
    padding-right: 0;
  }

  .service-detail-item {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .service-detail-item:nth-child(even) {
    direction: ltr;
  }

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

  .projects-masonry {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

/* --- Mobile Devices (max-width: 768px) --- */
@media (max-width: 768px) {
  .section {
    padding: 5rem 0;
  }

  .hero-content {
    text-align: left;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-ctas {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .inquiry-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
  }

  .inquiry-bar-ctas {
    width: 100%;
    flex-direction: column;
    gap: 1rem;
  }

  .inquiry-bar-ctas .btn {
    width: 100%;
  }

  .services-grid,
  .projects-masonry,
  .process-grid,
  .challenges-grid,
  .values-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 2.5rem 2rem;
  }

  .trust-bullets {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-form {
    padding: 2.5rem 1.5rem;
  }

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

  .form-group-full {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-bottom-left {
    text-align: center;
  }
}

/* --- Mobile Menu Overlay Styling (Triggered by JS) --- */
.mobile-nav-active {
  overflow: hidden;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-charcoal);
  z-index: 990;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  padding: 2rem;
}

.mobile-menu .nav-link {
  font-size: 1.25rem;
  color: var(--color-stone);
}

.mobile-menu-ctas {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 280px;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}