/* ============================================
   Japan Tree Works - Main Stylesheet
   Pure CSS Implementation (No Dependencies)
   ============================================ */

/* ============================================
   CSS Variables & Base Setup
   ============================================ */
:root {
  /* Colors */
  --color-forest-50: #ecfdf5;
  --color-forest-100: #d1fae5;
  --color-forest-800: #064e3b;
  --color-forest-900: #022c22;
  --color-forest-950: #022c22;

  --color-stone-50: #fafaf9;
  --color-stone-100: #f5f5f4;
  --color-stone-200: #e7e5e4;
  --color-stone-300: #d6d3d1;
  --color-stone-400: #a8a29e;
  --color-stone-500: #78716c;
  --color-stone-600: #57534e;
  --color-stone-800: #292524;
  --color-stone-900: #1c1917;
  --color-stone-950: #0c0a09;

  --color-lime-400: #a3e635;
  --color-lime-500: #84cc16;
  --color-lime-600: #65a30d;
  --color-lime-700: #4d7c0f;

  --color-red-400: #f87171;
  --color-yellow-500: #eab308;
  --color-green-500: #22c55e;

  /* Typography */
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;

  /* Spacing */
  --container-width: 1200px;
  --section-padding: 6rem 1rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-stone-50);
  color: var(--color-stone-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
  cursor: pointer;
}

ul {
  list-style: none;
}

::selection {
  background: var(--color-forest-900);
  color: var(--color-lime-400);
}

/* ============================================
   Container
   ============================================ */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-stone-200);
  transition: var(--transition-normal);
}

#navbar.scrolled {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo a {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-stone-900);
  transition: var(--transition-normal);
}

.nav-logo a:hover {
  color: var(--color-lime-600);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-stone-700);
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-lime-600);
  transition: var(--transition-normal);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-lime-600);
  color: white !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: 4px;
  font-weight: 600;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--color-lime-700);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-stone-900);
  transition: var(--transition-normal);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: white;
}

.hero-background {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1542601906990-b4d3fb778b09?q=80&w=2813&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}

.hero-background::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.hero-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-stone-900), rgba(28, 25, 23, 0.4), transparent);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.25rem;
  background: rgba(28, 25, 23, 0.4);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(101, 163, 13, 0.3);
  border-radius: 4px;
  margin-bottom: 2rem;
}

.pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  background: var(--color-lime-500);
  border-radius: 50%;
}

.pulse-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: var(--color-lime-400);
  border-radius: 50%;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  opacity: 0.75;
}

.badge-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-stone-200);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2rem;
}

.hero-highlight {
  position: relative;
  display: inline-block;
}

.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: 0.5rem;
  left: 0;
  right: 0;
  height: 1rem;
  background: var(--color-lime-600);
  opacity: 0.6;
  transform: skewX(-12deg);
  z-index: -1;
  animation: slideUp 0.8s ease-out;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-stone-200);
  margin-bottom: 3rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.7;
  transition: var(--transition-normal);
}

.scroll-indicator:hover {
  opacity: 1;
}

.scroll-text {
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
  animation: bounce 2s infinite;
}

.scroll-line {
  width: 1px;
  height: 4rem;
  background: linear-gradient(to bottom, var(--color-lime-400), transparent);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 4px;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: var(--color-lime-600);
  color: white;
  box-shadow: 0 0 20px rgba(101, 163, 13, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.btn-primary:hover {
  background: var(--color-lime-700);
  box-shadow: 0 0 30px rgba(101, 163, 13, 0.5);
  transform: translateY(-2px);
}

.btn-primary:hover::before {
  transform: scaleX(1);
}

.btn-secondary {
  background: rgba(28, 25, 23, 0.4);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   About Section
   ============================================ */
.about {
  padding: var(--section-padding);
  background: white;
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-stone-100);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.label-line {
  width: 2rem;
  height: 1px;
  background: var(--color-lime-600);
}

.label-text {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-lime-700);
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 2rem;
  color: var(--color-stone-900);
}

.title-highlight {
  position: relative;
  display: inline-block;
}

.title-highlight::after {
  content: '';
  position: absolute;
  bottom: 0.5rem;
  left: 0;
  right: 0;
  height: 0.75rem;
  background: rgba(163, 230, 53, 0.3);
  transform: skewY(-1deg);
  z-index: -1;
}

.about-text {
  margin-bottom: 2.5rem;
  color: var(--color-stone-600);
}

.about-text p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding: 2rem;
  background: var(--color-stone-50);
  border-radius: 4px;
  border: 1px solid var(--color-stone-100);
}

.stat-item {
  position: relative;
  padding: 1rem;
}

.stat-corner {
  position: absolute;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--color-lime-500);
  border-left: 2px solid var(--color-lime-500);
}

.stat-number {
  font-family: 'Courier New', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-stone-900);
  margin-bottom: 0.25rem;
}

.stat-plus {
  font-size: 1.5rem;
  color: var(--color-lime-600);
}

.stat-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-stone-400);
  text-transform: uppercase;
}

.about-image {
  position: relative;
}

.image-frame {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transition: var(--transition-slow);
}

.image-frame:hover {
  transform: scale(1.02);
}

.image-frame img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.image-frame:hover img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28, 25, 23, 0.8), transparent, transparent);
}

.image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  color: white;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.caption-quote {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-style: italic;
}

.image-border {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(101, 163, 13, 0.3);
  border-radius: 4px;
  z-index: -1;
}

/* ============================================
   Services Section
   ============================================ */
.services {
  padding: var(--section-padding);
  background: var(--color-stone-50);
  position: relative;
}

.section-glow {
  position: absolute;
  top: 0;
  right: 0;
  width: 33%;
  height: 33%;
  background: rgba(132, 204, 22, 0.05);
  filter: blur(100px);
  border-radius: 50%;
  pointer-events: none;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-tag,
.section-tag-light {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-lime-700);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.section-tag-light {
  color: var(--color-lime-400);
}

.section-title-center,
.section-title-center-light {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-stone-900);
  margin-bottom: 1.5rem;
}

.section-title-center-light {
  color: white;
}

.title-underline {
  width: 1px;
  height: 3rem;
  background: var(--color-lime-600);
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: white;
  border-radius: 4px;
  border: 1px solid var(--color-stone-200);
  overflow: hidden;
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: rgba(101, 163, 13, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.card-number {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--color-stone-100);
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-family: 'Courier New', monospace;
  color: var(--color-stone-400);
  border-right: 1px solid var(--color-stone-200);
  border-bottom: 1px solid var(--color-stone-200);
  z-index: 20;
  transition: var(--transition-normal);
}

.service-card:hover .card-number {
  color: var(--color-lime-600);
}

.card-image {
  position: relative;
  height: 12rem;
  overflow: hidden;
}

.card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(28, 25, 23, 0.2);
  z-index: 10;
  transition: var(--transition-normal);
}

.service-card:hover .card-image::before {
  background: rgba(101, 163, 13, 0.1);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: var(--transition-slow);
}

.service-card:hover .card-image img {
  filter: grayscale(0%);
  transform: scale(1.1);
}

.card-icon {
  position: absolute;
  bottom: -1.25rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-stone-900);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
  z-index: 20;
  transition: var(--transition-normal);
}

.card-icon svg {
  color: white;
}

.service-card:hover .card-icon {
  background: var(--color-lime-600);
  transform: scale(1.1);
}

.card-content {
  padding: 2.5rem 1.5rem 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-stone-800);
  margin-bottom: 1rem;
  transition: var(--transition-normal);
}

.service-card:hover .card-title {
  color: var(--color-lime-700);
}

.card-description {
  font-size: 0.875rem;
  color: var(--color-stone-500);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.card-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-stone-100);
}

.card-link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-stone-400);
  text-transform: uppercase;
  transition: var(--transition-normal);
  display: inline-block;
}

.service-card:hover .card-link {
  color: var(--color-lime-600);
  transform: translateX(4px);
}

/* ============================================
   Simulator Section
   ============================================ */
.simulator {
  padding: var(--section-padding);
  background: var(--color-stone-900);
  color: white;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--color-stone-800);
  border-bottom: 1px solid var(--color-stone-800);
}

.simulator-grid {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image:
    linear-gradient(to right, #4ade80 1px, transparent 1px),
    linear-gradient(to bottom, #4ade80 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.simulator-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--color-stone-900), rgba(28, 25, 23, 0.8), var(--color-stone-900));
}

.simulator-content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.simulator-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.status-dot {
  position: relative;
  width: 12px;
  height: 12px;
  background: var(--color-lime-500);
  border-radius: 50%;
}

.status-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: var(--color-lime-400);
  border-radius: 50%;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  opacity: 0.75;
}

.status-text {
  font-size: 0.75rem;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.15em;
  color: var(--color-lime-500);
  text-transform: uppercase;
}

.simulator-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 2rem;
}

.simulator-gradient {
  background: linear-gradient(to right, var(--color-lime-400), #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.simulator-description {
  font-size: 1.125rem;
  color: var(--color-stone-400);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  padding-left: 1.5rem;
  border-left: 2px solid rgba(101, 163, 13, 0.3);
}

.simulator-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-box {
  background: rgba(41, 37, 36, 0.5);
  backdrop-filter: blur(4px);
  border: 1px solid var(--color-stone-700);
  padding: 1.5rem;
  border-radius: 4px;
  transition: var(--transition-normal);
}

.feature-box:hover {
  border-color: rgba(101, 163, 13, 0.5);
}

.feature-icon {
  color: var(--color-lime-500);
  margin-bottom: 1rem;
  transition: var(--transition-normal);
}

.feature-box:hover .feature-icon {
  transform: scale(1.1);
}

.feature-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.feature-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.feature-text {
  font-size: 0.75rem;
  color: var(--color-stone-400);
  line-height: 1.6;
}

.btn-simulator {
  background: var(--color-lime-600);
  color: white;
  padding: 1rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  display: inline-block;
  transition: var(--transition-normal);
}

.btn-simulator:hover {
  background: var(--color-lime-700);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(101, 163, 13, 0.3);
}

.simulator-visual {
  perspective: 1000px;
}

.simulator-screen {
  background: var(--color-stone-900);
  border: 1px solid rgba(101, 163, 13, 0.3);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(74, 222, 128, 0.1);
  transition: var(--transition-slow);
}

.simulator-screen:hover {
  transform: rotateY(0deg) rotateX(0deg);
}

.screen-header {
  background: rgba(28, 25, 23, 0.8);
  backdrop-filter: blur(8px);
  padding: 1rem;
  border-bottom: 1px solid rgba(101, 163, 13, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.screen-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  opacity: 0.5;
}

.dot-red {
  background: var(--color-red-400);
}

.dot-yellow {
  background: var(--color-yellow-500);
}

.dot-green {
  background: var(--color-green-500);
}

.screen-version {
  font-size: 0.625rem;
  font-family: 'Courier New', monospace;
  color: rgba(132, 204, 22, 0.7);
}

.screen-content {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('https://images.unsplash.com/photo-1542273917363-3b1817f69a2d?q=80&w=2948&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  position: relative;
}

.screen-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(28, 25, 23, 0.8);
  mix-blend-mode: multiply;
}

.screen-content::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-stone-900), transparent);
}

.screen-box {
  position: relative;
  z-index: 10;
  width: 12rem;
  height: 12rem;
  border: 1px solid rgba(163, 230, 53, 0.5);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen-box svg {
  color: rgba(163, 230, 53, 0.8);
  animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.screen-console {
  background: rgba(28, 25, 23, 0.9);
  padding: 1rem;
  font-family: 'Courier New', monospace;
  font-size: 0.625rem;
  color: rgba(132, 204, 22, 0.6);
  line-height: 1.5;
}

/* ============================================
   Works Section
   ============================================ */
.works {
  padding: var(--section-padding);
  background: white;
}

.works-description {
  text-align: center;
  color: var(--color-stone-600);
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.work-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
  opacity: 0;
  transition: var(--transition-normal);
}

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

.work-item:hover img {
  transform: scale(1.1);
}

.work-overlay h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.work-overlay p {
  font-size: 0.875rem;
  color: var(--color-stone-300);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
  padding: var(--section-padding);
  background: var(--color-forest-900);
  color: white;
}

.contact-subtitle {
  text-align: center;
  color: var(--color-stone-300);
  margin-top: 1rem;
}

.contact-info-center {
  max-width: 800px;
  margin: 4rem auto 0;
  text-align: center;
}

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

.contact-description {
  color: var(--color-stone-300);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
  align-items: center;
}

.contact-item {
  display: flex;
  gap: 1rem;
}

.contact-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(101, 163, 13, 0.2);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-lime-400);
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--color-stone-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-text a {
  color: white;
  font-weight: 500;
}

.contact-text a:hover {
  color: var(--color-lime-400);
}

.contact-form-wrapper {
  background: rgba(6, 78, 59, 0.3);
  border: 1px solid rgba(101, 163, 13, 0.2);
  border-radius: 8px;
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

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

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-stone-300);
}

.required {
  color: var(--color-red-400);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(2, 44, 34, 0.5);
  border: 1px solid rgba(101, 163, 13, 0.3);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: white;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-lime-500);
  box-shadow: 0 0 0 3px rgba(101, 163, 13, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.btn-submit {
  background: var(--color-lime-600);
  color: white;
  padding: 1rem 3rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-normal);
  align-self: center;
}

.btn-submit:hover {
  background: var(--color-lime-500);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(101, 163, 13, 0.3);
}

.btn-submit svg {
  transition: var(--transition-normal);
}

.btn-submit:hover svg {
  transform: translateX(4px);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-stone-950);
  color: var(--color-stone-400);
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-stone-800);
}

.footer-logo h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-stone-400);
  font-size: 0.875rem;
  transition: var(--transition-normal);
}

.footer-links a:hover {
  color: var(--color-lime-400);
  padding-left: 0.5rem;
}

.footer-partner h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-stone-300);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.partner-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.partner-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-lime-400);
  letter-spacing: 0.1em;
}

.partner-description {
  font-size: 0.75rem;
  color: var(--color-stone-500);
  line-height: 1.5;
}

.partner-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-lime-500);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.5rem;
  transition: var(--transition-normal);
}

.partner-link:hover {
  color: var(--color-lime-400);
  transform: translateX(4px);
}

.partner-link svg {
  flex-shrink: 0;
}

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

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--color-stone-500);
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.footer-legal a {
  color: white;
  text-decoration: none;
  transition: var(--transition-normal);
}

.footer-legal a:hover {
  color: var(--color-lime-400);
}

.footer-legal span {
  color: var(--color-stone-600);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%) skewX(-12deg);
  }
  to {
    transform: translateY(0) skewX(-12deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .about-grid,
  .simulator-content-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .simulator-features {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    align-items: center;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 1rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .services-grid,
  .works-grid {
    grid-template-columns: 1fr;
  }

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

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

  .image-frame img {
    height: 400px;
  }

  .footer-legal {
    font-size: 0.8rem;
    gap: 0.4rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}