/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #0F766E;
  --color-primary-dark: #0D5E57;
  --color-primary-light: #14B8A6;
  --color-secondary: #1E293B;
  --color-accent: #F59E0B;
  
  --color-text: #1E293B;
  --color-text-light: #64748B;
  --color-bg: #FFFFFF;
  --color-bg-light: #F8FAFC;
  --color-bg-dark: #0F172A;
  
  --color-border: #E2E8F0;
  --color-card-bg: #FFFFFF;
  
  /* Typography */
  --font-display: 'Fraunces', serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

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

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

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== Header & Navigation ===== */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  display: block;
  width: 28px;
  height: 28px;
}

.logo-text {
  color: inherit;
}


.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}

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

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s ease;
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary,
.btn-primary-small,
.btn-primary-full,
.btn-primary-large {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary,
.btn-primary-small,
.btn-primary-full,
.btn-primary-large {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
}

.btn-primary:hover,
.btn-primary-small:hover,
.btn-primary-full:hover,
.btn-primary-large:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
}

.btn-primary-small {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
}

.btn-primary-full {
  width: 100%;
  margin-top: var(--spacing-md);
}

.btn-primary-large {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

/* ===== Hero Section ===== */
.hero {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  background: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  letter-spacing: -0.03em;
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-trust {
  font-size: 0.9rem;
  color: var(--color-text-light);
  animation: fadeInUp 0.8s ease 0.6s both;
}

/* ===== Sections ===== */
.section {
  padding: var(--spacing-2xl) 0;
}

.section-dark {
  background: var(--color-bg-dark);
  color: white;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: white;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.85);
}

.section-light {
  background: var(--color-bg-light);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  letter-spacing: -0.02em;
}

.section-intro {
  font-size: 1.15rem;
  color: var(--color-text-light);
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.section-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-lg);
  font-style: italic;
}

.section-dark .section-note {
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Grid Layouts ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

/* ===== Cards ===== */
.card {
  background: var(--color-card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

/* ===== Audit Cards ===== */
.audit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.audit-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all 0.3s ease;
}

.audit-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.audit-header h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.audit-tagline {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: var(--spacing-lg);
}

.audit-details h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  opacity: 0.7;
}

.audit-details ul {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.audit-details li {
  padding: var(--spacing-xs) 0;
  padding-left: 1.5rem;
  position: relative;
}

.audit-details li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
  font-weight: bold;
}

.audit-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

/* ===== Table Preview ===== */
.table-preview {
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: 0.9rem;
}

thead {
  background: var(--color-primary);
  color: white;
}

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
  background: var(--color-bg-light);
}

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

/* ===== Process Grid ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.process-step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-size: 1.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-family: var(--font-display);
}

.process-step h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

/* ===== Case Studies ===== */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.case-study {
  background: var(--color-card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.case-study:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-study h3 {
  font-size: 1.35rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.case-detail {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.case-detail:last-child {
  margin-bottom: 0;
}

.case-detail strong {
  color: var(--color-secondary);
  font-weight: 600;
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.faq-item {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.faq-item h3 {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.faq-item p {
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.cta-title {
  color: white;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

.cta-subtitle {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: var(--spacing-xl);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.cta-alt {
  margin-top: var(--spacing-md);
  opacity: 0.85;
}

.cta-alt a {
  color: white;
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--spacing-xs);
}

.footer-logo-img {
  display: block;
  height: 28px;
  width: auto;
}


.footer-right {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: flex-end;
}

.footer-right a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-right a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: white;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    gap: var(--spacing-md);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn-primary,
  .hero-cta .btn-secondary {
    width: 100%;
    max-width: 300px;
  }
  
  .audit-grid,
  .process-grid,
  .case-studies-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .footer-right {
    align-items: flex-start;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .table-preview {
    font-size: 0.8rem;
  }
  
  th, td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}