/* === Variables === */
:root {
  --primary: #2c3e50;
  --primary-dark: #1a2a3a;
  --primary-darker: #0f1c28;
  --accent: #3d8b8b;
  --accent-light: #4fa8a8;
  --text: #333;
  --text-light: #6b7b8d;
  --text-on-dark: #e0e6ec;
  --white: #ffffff;
  --bg: #f8f9fb;
  --bg-alt: #eef1f5;
  --border: #dce3ea;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
  --transition: 0.3s ease;
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(15, 28, 40, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 2px;
}
.logo-icon { border-radius: 50%; object-fit: cover; background: var(--white); padding: 2px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.btn-nav {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 8px 24px !important;
  border-radius: var(--radius) !important;
  font-weight: 500 !important;
}
.btn-nav:hover { background: var(--accent-light) !important; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 40%, #2a4a5a 70%, var(--accent) 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(61,139,139,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(61,139,139,0.1) 0%, transparent 50%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
  max-width: 800px;
}
.hero-label {
  display: inline-block;
  color: var(--accent-light);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding: 6px 16px;
  border: 1px solid rgba(79,168,168,0.3);
  border-radius: 100px;
  max-width: 480px;
}
.hero h1 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}
.accent { color: var(--accent-light); }
.hero h1 {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hero-item {
  display: block;
}
.hero-item::before {
  content: '\2022';
  color: var(--accent-light);
  margin-right: 16px;
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(61,139,139,0.4);
}
.btn-outline {
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
}

/* === Sections === */
.section {
  padding: 100px 0;
}
.section-dark {
  background: var(--primary-darker);
  color: var(--text-on-dark);
}
.section-accent {
  background: linear-gradient(135deg, var(--primary-dark), #2a4a5a);
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-dark .section-label { color: var(--accent-light); }
.section-header h2 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.section-dark .section-header h2 { color: var(--white); }
.section-desc {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}
.section-dark .section-desc { color: rgba(255,255,255,0.6); }

/* === About === */
.about-grid {
  display: grid;
  gap: 48px;
}
.about-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.about-text p {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 16px;
}
.value-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  background: var(--bg);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.value-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--accent);
}
.value-icon svg { width: 100%; height: 100%; }
.value-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary-dark);
}
.value-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* === Pillars === */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}
.pillar {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
}
.pillar-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  color: var(--accent-light);
}
.pillar-icon svg { width: 100%; height: 100%; }
.pillar h3 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 8px;
}
.pillar p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

/* === Service Cards === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: border-color var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: rgba(79,168,168,0.3);
  transform: translateY(-2px);
}
.service-num {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.service-card h3 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 12px;
}
.service-card > p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.7;
}
.service-card ul {
  display: grid;
  gap: 8px;
}
.service-card li {
  position: relative;
  padding-left: 20px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}
.service-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* === Sectors === */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.sector-card {
  text-align: center;
  padding: 48px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.sector-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  color: var(--accent);
}
.sector-icon svg { width: 100%; height: 100%; }
.sector-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-dark);
}

/* === Statement === */
.statement {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}
.statement blockquote {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--white);
  line-height: 1.8;
  font-weight: 400;
  position: relative;
}
.statement blockquote::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--accent-light);
  position: absolute;
  top: -20px;
  left: -30px;
  opacity: 0.5;
  line-height: 1;
}

/* === Contact === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-person {
  margin-bottom: 36px;
}
.contact-person h3 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 4px;
}
.credentials {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.title {
  font-size: 1rem;
  color: var(--accent-light);
  font-weight: 500;
  font-style: italic;
}
.contact-details {
  display: grid;
  gap: 20px;
  margin-bottom: 36px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}
.contact-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--accent-light);
}
.contact-item a:hover {
  color: var(--accent-light);
}
.contact-company {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.contact-company p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.5px;
}
.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 360px;
  border: 1px solid rgba(255,255,255,0.08);
}
.contact-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
}

/* === Footer === */
.footer {
  background: var(--primary-darker);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px 0;
}
.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
}
.footer p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .value-cards { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--primary-darker);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    transition: right var(--transition);
    z-index: 100;
  }
  .nav-links.active { right: 0; }
  .nav-links a { font-size: 1.1rem; }
  .hero-content { padding: 100px 24px 60px; }
  .section { padding: 72px 0; }
  .pillars { grid-template-columns: 1fr; gap: 16px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-map { min-height: 280px; }
  .value-cards { grid-template-columns: 1fr; }
  .sectors-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; gap: 12px; text-align: center; }
  .statement blockquote::before { left: 0; }
}