:root {
  --red-brand: #FF3B1D;
  --blue-brand: #0022C8;
  --dark-gray: #1E293B;
  --light-bg: #F8FAFC;
  --white: #FFFFFF;
  --border-color: #E2E8F0;
  --font-main: 'Inter', sans-serif;
  --font-logo-o: 'Outfit', sans-serif;
  --font-logo-plos: 'Playfair Display', serif;
}

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

body {
  font-family: var(--font-main);
  color: var(--dark-gray);
  background-color: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Logo Typography */
.logo {
  text-decoration: none;
  font-size: 2rem;
  display: flex;
  align-items: baseline;
}

.logo-o {
  font-family: var(--font-logo-o);
  color: var(--red-brand);
  font-size: 2.4rem;
  line-height: 1;
}

.logo-plos {
  font-family: var(--font-logo-plos);
  font-style: italic;
  color: var(--blue-brand);
  margin-left: 2px;
}

.logo-srl {
  font-family: var(--font-logo-plos);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--blue-brand);
  margin-left: 4px;
}

/* Navbar */
.navbar {
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark-gray);
  font-weight: 500;
}

.nav-links a.active {
  color: var(--blue-brand);
  font-weight: 700;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--blue-brand);
  color: var(--white) !important;
}

.btn-secondary {
  background-color: var(--red-brand);
  color: var(--white) !important;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-block {
  display: block;
  width: 100%;
  border: none;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  background-color: #DBEAFE;
  color: var(--blue-brand);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 15px;
}

.hero h1 {
  font-size: 2.8rem;
  color: var(--blue-brand);
  margin-bottom: 15px;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.hero-text {
  max-width: 750px;
  margin: 0 auto 30px auto;
  color: #475569;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 15px;
}

/* Sections */
.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 10px;
  color: var(--dark-gray);
}

.section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px auto;
  color: #64748B;
}

.value-section, .services-summary, .method-section, .detailed-services, .integrated-approach {
  padding: 60px 0;
}

.services-summary, .integrated-approach {
  background-color: var(--light-bg);
}

/* Grids */
.value-grid, .services-grid, .approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.value-card, .service-box, .approach-box, .detail-card {
  background: var(--white);
  padding: 25px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.value-card h3, .service-box h3, .approach-box h3 {
  color: var(--blue-brand);
  margin-bottom: 10px;
}

.center-btn {
  text-align: center;
  margin-top: 30px;
}

/* Method Flow */
.method-flow {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.step {
  background: var(--white);
  padding: 15px 25px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-weight: 600;
}

.step span {
  color: var(--red-brand);
  margin-right: 5px;
}

.arrow {
  color: var(--blue-brand);
  font-weight: bold;
}

/* Contact */
.contact-section {
  padding: 60px 0;
  background: #0F172A;
  color: var(--white);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.contact-details {
  margin-top: 25px;
}

.contact-details a {
  color: var(--red-brand);
}

.contact-form {
  background: var(--white);
  color: var(--dark-gray);
  padding: 30px;
  border-radius: 8px;
}

.contact-form h3 {
  margin-bottom: 15px;
}

.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

/* Detailed Services Page */
.page-header {
  padding: 60px 0;
  background: var(--blue-brand);
  color: var(--white);
  text-align: center;
}

.page-header p {
  opacity: 0.9;
  max-width: 600px;
  margin: 10px auto 0 auto;
}

.detail-card {
  margin-bottom: 25px;
}

.detail-card h2 {
  color: var(--blue-brand);
}

.tagline {
  font-style: italic;
  color: var(--red-brand);
  font-weight: 600;
  margin-bottom: 10px;
}

.detail-card ul {
  padding-left: 20px;
}

.detail-card li {
  margin-bottom: 5px;
}

/* Footer */
.footer {
  padding: 25px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: #64748B;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .contact-container { grid-template-columns: 1fr; }
  .method-flow { flex-direction: column; }
  .arrow { transform: rotate(90deg); }
}