/* ===== CSS Reset and Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1C1D20;
  background-color: #F8F6F2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ===== Navbar (class selector required) ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #121820;
  border-bottom: 1px solid #2A2E35;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #F8F6F2;
  letter-spacing: -0.3px;
}

.logo-icon {
  font-size: 24px;
  color: #A3C94F;
}

.logo-text {
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: #B0B3B8;
  transition: color 0.2s ease;
  position: relative;
  padding: 4px 0;
}

.nav-link:hover,
.nav-link.active {
  color: #A3C94F;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #A3C94F;
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle-bar {
  display: block;
  width: 26px;
  height: 2.5px;
  background-color: #F8F6F2;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

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

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ===== Section Containers ===== */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: #121820;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 18px;
  color: #5C5E63;
  margin-bottom: 48px;
}

/* ===== Hero Section ===== */
.hero-section {
  background-color: #121820;
  padding: 160px 0 120px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(163,201,79,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(222,140,62,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-tagline {
  font-size: 15px;
  font-weight: 600;
  color: #A3C94F;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  color: #F8F6F2;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 17px;
  color: #B0B3B8;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  letter-spacing: 0.3px;
}

.btn-primary {
  background-color: #A3C94F;
  color: #121820;
  border-color: #A3C94F;
}

.btn-primary:hover {
  background-color: #B2D55A;
  border-color: #B2D55A;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(163,201,79,0.3);
}

.btn-outline {
  background-color: transparent;
  color: #F8F6F2;
  border-color: #3A3E44;
}

.btn-outline:hover {
  border-color: #A3C94F;
  color: #A3C94F;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* Hero Visual Cards */
.hero-visual {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  position: absolute;
  background-color: #1C232B;
  border: 1px solid #2A3038;
  border-radius: 10px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.hero-card-icon {
  font-size: 28px;
  color: #A3C94F;
}

.hero-card-label {
  font-size: 14px;
  font-weight: 600;
  color: #D0D3D8;
}

.card-a { top: 30px; left: 20px; }
.card-b { top: 30px; right: 20px; }
.card-c { bottom: 60px; left: 0; }
.card-d { bottom: 60px; right: 0; }

/* ===== About Section ===== */
.about-section {
  background-color: #FFFFFF;
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  font-size: 16px;
  color: #3A3C40;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-text .section-subtitle {
  font-size: 18px;
  color: #A3C94F;
  font-weight: 600;
  margin-bottom: 24px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid #E9E5DE;
}

.about-stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 42px;
  font-weight: 800;
  color: #121820;
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: 14px;
  color: #5C5E63;
  margin-top: 6px;
}

/* About Visual Card */
.about-card {
  background-color: #121820;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 12px 40px rgba(18,24,32,0.15);
}

.about-card-header {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.about-card-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #3A3E44;
}

.about-card-dot:nth-child(1) { background-color: #E06C5C; }
.about-card-dot:nth-child(2) { background-color: #DE8C3E; }
.about-card-dot:nth-child(3) { background-color: #A3C94F; }

.about-card-line {
  height: 10px;
  background-color: #2A3038;
  border-radius: 4px;
  margin-bottom: 14px;
  width: 100%;
}

.about-card-line.short {
  width: 60%;
}

.about-card-block {
  height: 80px;
  background-color: #1C232B;
  border-radius: 8px;
  margin-bottom: 14px;
  border: 1px solid #2A3038;
}

/* ===== Services Section ===== */
.services-section {
  background-color: #F0EDE7;
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  padding: 36px 28px;
  border: 1px solid #E4E1DA;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(18,24,32,0.1);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  font-size: 26px;
  background-color: #F0EDE7;
  color: #A3C94F;
  border-radius: 10px;
  margin-bottom: 20px;
}

.service-title {
  font-size: 20px;
  font-weight: 700;
  color: #121820;
  margin-bottom: 14px;
}

.service-card p {
  font-size: 15px;
  color: #4A4C51;
  line-height: 1.7;
}

/* ===== Approach Section ===== */
.approach-section {
  background-color: #FFFFFF;
  padding: 100px 0;
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.approach-step {
  text-align: center;
  padding: 36px 24px;
  background-color: #F8F6F2;
  border-radius: 10px;
  border: 1px solid #E9E5DE;
  transition: transform 0.3s ease;
}

.approach-step:hover {
  transform: translateY(-4px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
  background-color: #DE8C3E;
  border-radius: 50%;
  margin-bottom: 20px;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: #121820;
  margin-bottom: 12px;
}

.approach-step p {
  font-size: 14px;
  color: #5C5E63;
  line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
  background-color: #A3C94F;
  padding: 80px 0;
}

.cta-content {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-title {
  font-size: 34px;
  font-weight: 800;
  color: #121820;
  margin-bottom: 18px;
  line-height: 1.2;
}

.cta-description {
  font-size: 17px;
  color: #2E3A18;
  line-height: 1.7;
  margin-bottom: 32px;
}

.cta-section .btn-primary {
  background-color: #121820;
  color: #A3C94F;
  border-color: #121820;
}

.cta-section .btn-primary:hover {
  background-color: #1C2430;
  border-color: #1C2430;
  color: #B2D55A;
  box-shadow: 0 4px 16px rgba(18,24,32,0.25);
}

/* ===== Contact Section ===== */
.contact-section {
  background-color: #121820;
  padding: 100px 0;
}

.contact-section .section-title {
  color: #F8F6F2;
}

.contact-section .section-subtitle {
  color: #8A8E94;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-icon {
  font-size: 22px;
  color: #A3C94F;
  margin-top: 2px;
  flex-shrink: 0;
}

.contact-label {
  font-size: 14px;
  font-weight: 600;
  color: #A3C94F;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 16px;
  color: #C0C4C9;
  line-height: 1.6;
}

/* Contact Form */
.contact-form {
  background-color: #1C232B;
  border-radius: 12px;
  padding: 36px;
  border: 1px solid #2A3038;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #C0C4C9;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  color: #F8F6F2;
  background-color: #252D36;
  border: 1px solid #3A4048;
  border-radius: 6px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}

.form-input::placeholder {
  color: #6A6E75;
}

.form-input:focus {
  border-color: #A3C94F;
  box-shadow: 0 0 0 3px rgba(163,201,79,0.1);
}

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

.form-note {
  text-align: center;
  font-size: 14px;
  margin-top: 14px;
  min-height: 20px;
}

.form-note.success {
  color: #A3C94F;
}

.form-note.error {
  color: #E06C5C;
}

/* ===== Footer ===== */
.site-footer {
  background-color: #0E131A;
  padding: 56px 0 0 0;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid #1C232B;
}

.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: #A3C94F;
  display: block;
  margin-bottom: 14px;
}

.footer-desc {
  font-size: 14px;
  color: #767A80;
  line-height: 1.7;
}

.footer-heading {
  font-size: 15px;
  font-weight: 700;
  color: #F8F6F2;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 15px;
  color: #767A80;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #A3C94F;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #5A5E64;
}

.footer-bottom a {
  color: #8A8E94;
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: #A3C94F;
}

/* ===== Scroll Reveal ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

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

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

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

@media (max-width: 768px) {
  .navbar {
    height: 64px;
  }

  .nav-container {
    height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #121820;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 20px;
  }

  .hero-section {
    padding: 120px 0 80px;
  }

  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

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

  .approach-steps {
    grid-template-columns: 1fr;
  }

  .about-stats {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 26px;
  }

  .hero-section {
    padding: 100px 0 60px;
  }

  .contact-form {
    padding: 24px;
  }
}