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

:root {
  --primary: #2F8C7A;
  --primary-dark: #236B5B;
  --primary-light: #3DAF99;
  --accent: #F5A623;
  --accent-hover: #E09500;
  --text: #1A2027;
  --text-secondary: #4A5568;
  --text-muted: #8B95A5;
  --bg: #FFFFFF;
  --bg-light: #F7F8FA;
  --bg-card: #FFFFFF;
  --bg-dark: #131B21;
  --bg-darker: #0D1219;
  --header-bg: rgba(255, 255, 255, 0.92);
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 72px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

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

a:hover {
  color: var(--primary-dark);
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

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

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

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

.nav a.active {
  color: var(--primary);
}

.nav .btn {
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.85rem;
}

.nav .btn::after {
  display: none;
}

.nav .btn:hover {
  background: var(--primary-dark);
  color: #fff;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text);
  transition: all var(--transition);
  flex-shrink: 0;
}

.menu-toggle:hover {
  background: var(--bg-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.hero-content .btn-group {
  justify-content: center;
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero-content p {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.8;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-tagline {
  font-family: 'Courier New', 'Source Code Pro', monospace;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
}

.hero-tagline::after {
  content: '|';
  animation: blink 0.7s step-end infinite;
  color: var(--accent);
  font-weight: 100;
}

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

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(47, 140, 122, 0.35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
  color: #fff;
}

/* ─── Sections ─── */
section {
  padding: 96px 0;
}

.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ─── Services Grid ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 44px 36px 40px;
  transition: all var(--transition);
  overflow: hidden;
}

.service-num {
  position: absolute;
  top: 16px;
  right: 28px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 7rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(0,0,0,0.035);
  transition: color var(--transition);
  pointer-events: none;
  user-select: none;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.service-card:hover .service-num {
  color: rgba(245, 166, 35, 0.12);
}

.service-card h3 {
  position: relative;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  padding-bottom: 14px;
}

.service-card h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
}

.service-card p {
  position: relative;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── Why Us ─── */
.why-us {
  background: var(--bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px 36px;
  background: var(--bg-card);
  border-radius: 0;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-card h4 {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ─── Gallery ─── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.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(to top, rgba(0,0,0,0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover::after {
  opacity: 1;
}

/* ─── Testimonials ─── */
.testimonials {
  background: var(--bg-dark);
  color: #fff;
}

.testimonials .section-title {
  color: #fff;
}

.testimonials .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.testimonial-stars {
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
}

/* ─── Contact ─── */
.contact-section {
  background: var(--bg-light);
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-detail .icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(47, 140, 122, 0.1);
  border-radius: 10px;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 140, 122, 0.12);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.btn-submit {
  width: 100%;
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 100px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(47, 140, 122, 0.35);
}

/* ─── CTA ─── */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  text-align: center;
}

.cta-section .section-title {
  color: #fff;
}

.cta-section .section-subtitle {
  color: rgba(255,255,255,0.85);
  margin: 0 auto 32px;
}

.cta-section .btn-outline {
  border-color: rgba(255,255,255,0.5);
}

/* ─── Footer ─── */
.footer {
  background: var(--bg-darker);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ─── Page Header (Subpages) ─── */
.page-header {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 48px;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-content {
  padding: 64px 0 96px;
}

.page-content .container {
  max-width: 820px;
}

.page-content h2 {
  font-size: 1.6rem;
  margin-top: 40px;
  margin-bottom: 16px;
}

.page-content h3 {
  font-size: 1.2rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.page-content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.page-content ul,
.page-content ol {
  margin: 16px 0 24px;
  padding-left: 24px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.page-content li {
  margin-bottom: 8px;
}

.page-content a {
  color: var(--primary);
  text-decoration: underline;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--primary);
}

/* ─── Mobile Menu ─── */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    pointer-events: none;
  }

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

  .nav a {
    width: 100%;
    text-align: center;
    padding: 12px 0;
    font-size: 1rem;
  }

  .nav .btn {
    width: 100%;
    text-align: center;
    margin-top: 8px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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

  .service-num {
    font-size: 5rem;
    top: 12px;
    right: 20px;
  }

  .service-card {
    padding: 36px 24px 32px;
  }

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

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

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

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

  .contact-form {
    padding: 24px;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .page-header h1 {
    font-size: 1.8rem;
  }

  .btn-group .btn {
    width: 100%;
    justify-content: center;
  }

  section {
    padding: 64px 0;
  }

  .container {
    padding: 0 20px;
  }

  .btn {
    padding: 14px 24px;
  }
}

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero-content h1 {
    font-size: 1.8rem;
  }
}