:root {
  --color-background: #F9FAFB;
  --color-surface: rgba(255, 255, 255, 0.95);
  --color-primary: #0C5C58;
  --color-text: #374151;
  --color-heading: #0C5C58;
  --color-accent: #9C0D12;
  --color-muted: #6B7280;
  --color-border: rgba(12, 92, 88, 0.15);
  --shadow-soft: 0 10px 30px rgba(17, 24, 39, 0.08);
  --transition-default: 0.3s ease;
}

body.dark-theme {
  --color-background: #111827;
  --color-surface: rgba(17, 24, 39, 0.92);
  --color-text: #F9FAFB;
  --color-heading: #F9FAFB;
  --color-accent: #F87171;
  --color-border: rgba(249, 250, 251, 0.1);
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

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

img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}

.screen-reader-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-surface);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.branding img {
  width: 48px;
  height: auto;
}

.branding span {
  font-weight: 600;
  color: var(--color-heading);
}

nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

nav.primary-nav a {
  font-weight: 500;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  transition: background-color var(--transition-default), color var(--transition-default);
}

nav.primary-nav a:hover,
nav.primary-nav a:focus-visible,
nav.primary-nav a.active {
  background-color: var(--color-primary, #0C5C58);
  color: #FFFFFF;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

button.toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background-color: transparent;
  color: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-default), color var(--transition-default), border-color var(--transition-default);
}

button.toggle:hover,
button.toggle:focus-visible {
  background-color: var(--color-heading);
  color: #FFFFFF;
}

button.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: inherit;
}

button.hamburger span,
button.hamburger::before,
button.hamburger::after {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-heading);
  margin: 5px 0;
  transition: transform var(--transition-default), opacity var(--transition-default);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 2.5vw, 2.5rem);
  color: var(--color-heading);
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-muted);
}

.hero {
  position: relative;
  padding: 6rem 0;
  margin-bottom: 2rem;
  border-radius: 24px;
  overflow: hidden;
  color: #FFFFFF;
  box-shadow: var(--shadow-soft);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(12, 92, 88, 0.8), rgba(17, 24, 39, 0.85));
  z-index: -1;
}

.hero-content {
  max-width: 600px;
  padding: 0 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.hero p {
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-default), box-shadow var(--transition-default);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 10px 20px rgba(156, 13, 18, 0.25);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(156, 13, 18, 0.3);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  margin-bottom: 1rem;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-default), box-shadow var(--transition-default);
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 16px 35px rgba(17, 24, 39, 0.12);
}

.card h3 {
  color: var(--color-heading);
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.card p {
  color: var(--color-text);
  font-size: 0.95rem;
}

/* Certification Cards */
.cert-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-width: 700px;
  margin: 0 auto;
}

.cert-card {
  text-align: center;
}

.cert-card .cert-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
}

.cert-card .cert-logo img {
  width: auto;
  height: 80px;
  aspect-ratio: auto;
  object-fit: contain;
  margin-bottom: 0;
}

.cert-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.cert-card p {
  font-size: 0.9rem;
}

/* Associate Companies Cards */
.associate-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.associate-card {
  text-align: center;
  position: relative;
}

.associate-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.associate-icon svg {
  width: 48px;
  height: 48px;
}

.associate-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-heading);
}

.company-reg {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-muted);
  background-color: rgba(12, 92, 88, 0.08);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-weight: 500;
}

body.dark-theme .company-reg {
  background-color: rgba(249, 250, 251, 0.1);
}

.associate-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Delivery Approach Step Cards */
.approach-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.approach-card {
  text-align: center;
  position: relative;
  padding-top: 2.5rem;
}

.step-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), #0a4a47);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(12, 92, 88, 0.25);
}

body.dark-theme .step-number {
  background: linear-gradient(135deg, #0C5C58, #084541);
  box-shadow: 0 4px 12px rgba(12, 92, 88, 0.4);
}

.approach-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.approach-icon svg {
  width: 40px;
  height: 40px;
}

.approach-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--color-heading);
}

.approach-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.project-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 0;
  cursor: pointer;
  margin-bottom: 0;
}

.project-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-card h3 {
  color: var(--color-heading);
  font-size: 1.2rem;
}

.project-meta {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.timeline {
  display: grid;
  gap: 1rem;
}

/* Footer Styles */
footer.site-footer {
  background-color: #0C5C58;
  color: #FFFFFF;
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
}

/* Footer Brand Section */
.footer-brand {
  max-width: 280px;
}

.footer-logo-text {
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #FFFFFF;
  line-height: 1.2;
}

.footer-establishment {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.footer-descriptor {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.footer-reg-detail {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
}

/* Footer Contact Section */
.footer-contact {
  font-style: normal;
}

.footer-contact h3,
.footer-nav h3,
.footer-social h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.footer-contact p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.contact-item svg {
  flex-shrink: 0;
  opacity: 0.9;
}

.contact-item a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color var(--transition-default);
}

.contact-item a:hover,
.contact-item a:focus {
  color: #FFFFFF;
  text-decoration: underline;
}

/* Footer Navigation */
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all var(--transition-default);
  display: inline-block;
}

.footer-links a:hover,
.footer-links a:focus {
  color: #FFFFFF;
  text-decoration: underline;
  transform: translateX(3px);
}

/* Footer Social */
.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-default);
}

.social-links a:hover,
.social-links a:focus {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px) scale(1.05);
}

.social-links svg {
  width: 20px;
  height: 20px;
}

/* Footer Bottom */
.footer-bottom {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.contact-card {
  display: grid;
  gap: 1.5rem;
}

.contact-card form {
  display: grid;
  gap: 1rem;
}

.contact-card input,
.contact-card textarea {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background-color: transparent;
  color: inherit;
  transition: border-color var(--transition-default), box-shadow var(--transition-default);
}

.contact-card input:focus,
.contact-card textarea:focus {
  border-color: var(--color-heading);
  outline: none;
  box-shadow: 0 0 0 3px rgba(12, 92, 88, 0.2);
}

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

.contact-card .form-messages {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-weight: 500;
  background-color: rgba(12, 92, 88, 0.1);
  color: var(--color-heading);
}

.contact-card .form-messages.active {
  display: block;
}

.contact-card .form-messages.sending {
  background-color: rgba(12, 92, 88, 0.12);
  color: var(--color-heading);
}

.contact-card .form-messages.success {
  background-color: rgba(12, 92, 88, 0.15);
  color: var(--color-heading);
}

.contact-card .form-messages.error {
  background-color: rgba(156, 13, 18, 0.15);
  color: var(--color-accent);
}

iframe.map {
  width: 100%;
  min-height: 320px;
  border: 0;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
}

.modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 2000;
}

.modal.active {
  display: flex;
}

.modal-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  background-color: var(--color-surface);
  padding: 1rem;
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
}

.modal-content img {
  border-radius: 12px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--color-heading);
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background-color: rgba(12, 92, 88, 0.1);
  color: var(--color-heading);
  font-size: 0.8rem;
  font-weight: 600;
}

.hero .badge {
  background-color: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

table.certifications {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
}

table.certifications th,
table.certifications td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.95rem;
}

blockquote.highlight {
  border-left: 4px solid var(--color-accent);
  padding-left: 1rem;
  color: var(--color-heading);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .nav-container {
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    justify-content: flex-start;
    gap: 0.75rem;
  }

  nav.primary-nav ul {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 50%;
    right: auto;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    padding: 1rem;
    flex-direction: column;
    gap: 0.75rem;
    min-width: 220px;
    width: min(260px, calc(100vw - 3rem));
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -10px);
    transition: opacity var(--transition-default), transform var(--transition-default);
  }

  nav.primary-nav ul.open {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
  }

  button.hamburger {
    display: block;
  }

  nav.primary-nav {
    position: relative;
    margin-left: auto;
    margin-right: 0.5rem;
  }

  nav.primary-nav a {
    display: block;
  }

  header.site-header {
    position: fixed;
    width: 100%;
  }

  main {
    padding-top: 100px;
  }

  /* Footer Responsive - Tablet */
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 5rem 0;
  }

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

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

  .controls {
    gap: 0.25rem;
  }

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

  .step-number {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .associate-icon svg {
    width: 40px;
    height: 40px;
  }

  .approach-icon svg {
    width: 36px;
    height: 36px;
  }

  /* Footer Responsive - Mobile */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .footer-brand {
    max-width: 100%;
  }

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

  .footer-links a:hover,
  .footer-links a:focus {
    transform: translateX(0);
  }

  .social-links {
    justify-content: center;
  }

  .contact-item {
    justify-content: center;
  }
}


.hero.inner-hero {
  margin-top: 2rem;
  padding: 5rem 0;
}


.team-card img {
  margin-bottom: 1rem;
}