:root {
  --primary-blue: #0a2540;
  --accent-blue: #0055ff;
  --bg-white: #ffffff;
  --bg-grey: #f4f7fa;
  --text-dark: #1a202c;
  --text-muted: #5a6b81;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --glass: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  color: var(--primary-blue);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 6vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 6rem 0;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1rem 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--primary-blue);
  margin: 5px 0;
  transition: var(--transition);
}

.mobile-nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-blue);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
}

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

@media (max-width: 968px) {
  .mobile-nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: white;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.5rem;
    color: var(--primary-blue);
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: white;
  background: var(--primary-blue);
  overflow: hidden;
  padding: 4rem 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../../public/assets/hero.png') center/cover no-repeat;
  opacity: 0.4;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  color: white;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero .subtext {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
}

.btn {
  display: inline-block;
  padding: 1.1rem 2.8rem;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
}

.btn-primary:hover {
  background: #0044cc;
  border-color: #0044cc;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 85, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.4);
  margin-left: 1rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  transform: translateY(-3px);
}

/* Partner Section */
.partner-section {
  background: var(--bg-white);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.partner-section h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.partner-section p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.image-wrapper {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Procurement Section */
.procurement-section {
  background: var(--bg-grey);
}

.procurement-section h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.procurement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.highlight-box {
  background: white;
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
  text-align: center;
  transition: var(--transition);
}

.highlight-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
}

.highlight-box h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Confidence Section */
.confidence-section {
  background: var(--primary-blue);
  color: white;
  text-align: center;
}

.confidence-section h2 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.confidence-section p {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 850px;
  margin: 0 auto 3.5rem;
}

/* New Components */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 4rem;
}

.service-card {
  background: white;
  padding: 3.5rem 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-lg);
}

.service-card .icon {
  font-size: 3rem;
  margin-bottom: 2rem;
  display: block;
}

.standards-section {
  background: var(--primary-blue);
  color: white;
}

.standards-section h2 {
  color: white;
  margin-bottom: 1rem;
}

.standards-section .sub {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4rem;
  font-size: 1.25rem;
}

.standard-item {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-bottom: 3rem;
}

.standard-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-blue);
  opacity: 0.5;
  line-height: 1;
}

.standard-content h3 {
  color: white;
  margin-bottom: 0.75rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  position: relative;
}

.process-step {
  padding: 2.5rem;
  background: var(--bg-grey);
  border-radius: 8px;
  position: relative;
}

.process-step::after {
  content: '→';
  position: absolute;
  right: -1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--accent-blue);
  opacity: 0.3;
}

.process-step:last-child::after {
  display: none;
}

.step-box {
  font-weight: 800;
  color: var(--accent-blue);
  margin-bottom: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Responsive Grids */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 2.5rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 968px) {

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Animations */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

[data-aos].active {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  background: #051422;
  color: rgba(255, 255, 255, 0.6);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo {
  color: white;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.footer-links h4 {
  color: white;
  margin-bottom: 1.5rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 968px) {
  .hero-content {
    text-align: center;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }

  .btn-secondary {
    margin-left: 0;
  }

  .section-padding {
    padding: 4rem 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .two-column {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .process-step::after {
    content: '↓';
    left: 50%;
    top: auto;
    bottom: -1.5rem;
    transform: translateX(-50%);
  }

  .standards-section .image-wrapper {
    height: 400px;
  }

  footer .container {
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero .subtext {
    font-size: 1.1rem;
  }

  .confidence-section h2 {
    font-size: 2.5rem;
  }

  .confidence-section p {
    font-size: 1.1rem;
  }

  .btn {
    width: 100%;
  }
}