/* ---------------------------------------------
   Azure Expanse - Elegant Classic CSS Framework
   Brand: Azure Expanse
   Style: elegant_classic (serif, muted, refined)
   Author: Senior CSS Developer & UI Designer
   --------------------------------------------- */

/* 1. FONT IMPORTS (Serif for headings, refined sans for body) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Playfair+Display:wght@400;700&family=Open+Sans:wght@400;600&display=swap');

:root {
  --color-primary: #213C65;
  --color-secondary: #A3C8E7;
  --color-accent: #F5F4F0;
  --color-bg: #F8F7F4;
  --color-muted: #E5E3DF;
  --color-dark: #1A2636;
  --color-text: #2C2C2C;
  --color-text-light: #fff;
  --color-border: #D1D0CB;
  --color-shadow: rgba(33, 60, 101, 0.07);
  --color-shadow-strong: rgba(33, 60, 101, 0.13);
  --font-display: 'Playfair Display', serif;
  --font-heading: 'Montserrat', serif;
  --font-body: 'Open Sans', serif;
  --radius: 10px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --shadow-card: 0 2px 12px var(--color-shadow);
  --shadow-elevated: 0 4px 24px var(--color-shadow-strong);
}

html {
  box-sizing: border-box;
  font-size: 18px;
  background: var(--color-bg);
  color: var(--color-text);
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  min-height: 100vh;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

/* 2. TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 0.7em;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
  margin-bottom: 0.6em;
}
h2 {
  font-size: 1.6rem;
  margin-bottom: 0.5em;
}
h3 {
  font-size: 1.25rem;
  margin-bottom: 0.4em;
}
h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3em;
}
p, ul, ol {
  font-family: var(--font-body);
  font-size: 1rem;
  margin-top: 0;
  margin-bottom: 1.1em;
  color: var(--color-text);
}
strong {
  font-weight: 600;
  color: var(--color-primary);
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* 3. LAYOUT CONTAINERS */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

/* 4. HEADER & NAVIGATION */
header {
  background: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
}
header img {
  height: 48px;
  width: auto;
  display: block;
}
nav {
  display: flex;
  flex-direction: row;
  gap: 28px;
  align-items: center;
}
nav a {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-primary);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
nav a:hover, nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  padding: 12px 32px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px var(--color-shadow);
  text-align: center;
  text-decoration: none;
  margin-top: 10px;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-light);
  border: 1px solid var(--color-primary);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}
.btn-secondary {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--color-primary);
  color: var(--color-text-light);
}

/* 5. FLEXBOX LAYOUTS (MANDATORY PATTERNS) */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 28px 24px;
  min-width: 260px;
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  border-left: 4px solid var(--color-secondary);
  color: var(--color-dark);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* 6. CUSTOM FLEX LAYOUTS FOR PAGE-SPECIFIC BLOCKS */
.feature-grid, .service-list, .team-members-grid, .project-grid, .post-grid, .step-timeline, .faq-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
}
.feature-grid > div, .service-list > div, .team-members-grid > div, .project-grid > div, .post-grid > div, .step-timeline > div, .faq-list > div {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
  flex: 1 1 260px;
  min-width: 220px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 7. FOOTER */
footer {
  background: var(--color-accent);
  border-top: 1px solid var(--color-border);
  padding: 32px 0 16px 0;
  font-size: 0.95rem;
}
footer .container {
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}
footer nav {
  gap: 18px;
  margin-bottom: 8px;
}
footer nav a {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 1rem;
  border-bottom: 1px dotted var(--color-secondary);
  padding-bottom: 2px;
}
footer nav a:hover {
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-secondary);
}

/* 8. MOBILE NAVIGATION (BURGER MENU) */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 18px;
  transition: color var(--transition);
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  color: var(--color-secondary);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(33,60,101,0.96);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 0;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
  opacity: 0;
}
.mobile-menu.open {
  transform: translateX(0);
  pointer-events: auto;
  opacity: 1;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  margin: 24px 28px 0 0;
  cursor: pointer;
  align-self: flex-end;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
  margin: 48px 0 0 48px;
}
.mobile-nav a {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}

/* 9. COOKIE CONSENT BANNER & MODAL */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow);
  border-top: 1px solid var(--color-border);
  z-index: 99999;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  gap: 24px;
  font-size: 1rem;
  animation: cookieBannerIn 0.5s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieBannerIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-banner button {
  font-family: var(--font-heading);
  font-size: 1rem;
  border-radius: var(--radius);
  padding: 10px 22px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 1px 4px var(--color-shadow);
}
.cookie-banner .accept {
  background: var(--color-primary);
  color: #fff;
}
.cookie-banner .accept:hover, .cookie-banner .accept:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}
.cookie-banner .reject {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-muted);
}
.cookie-banner .settings {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 1px solid var(--color-secondary);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-secondary);
  color: #fff;
}

.cookie-modal-overlay {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(33,60,101,0.45);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(.4,0,.2,1);
}
.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-elevated);
  padding: 36px 32px 28px 32px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: cookieModalIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { transform: translateY(40px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.cookie-modal h3 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-bottom: 8px;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
}
.cookie-modal .cookie-toggle {
  width: 40px;
  height: 22px;
  border-radius: 12px;
  background: var(--color-muted);
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
  margin-right: 8px;
}
.cookie-modal .cookie-toggle input {
  display: none;
}
.cookie-modal .cookie-toggle span {
  position: absolute;
  left: 2px; top: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px var(--color-shadow);
  transition: left var(--transition), background var(--transition);
}
.cookie-modal .cookie-toggle input:checked + span {
  left: 20px;
  background: var(--color-secondary);
}
.cookie-modal .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 12px;
}
.cookie-modal .close-modal {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  position: absolute;
  top: 18px;
  right: 24px;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .close-modal:hover, .cookie-modal .close-modal:focus {
  color: var(--color-secondary);
}

/* 10. FORMS & INPUTS */
input[type="text"], input[type="email"], textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  background: #fff;
  color: var(--color-text);
  margin-bottom: 16px;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
input[type="text"]:focus, input[type="email"]:focus, textarea:focus {
  border-color: var(--color-secondary);
  outline: none;
  box-shadow: 0 2px 8px var(--color-shadow);
}

/* 11. MICRO-INTERACTIONS & HOVER EFFECTS */
.card, .feature-grid > div, .service-list > div, .team-members-grid > div, .project-grid > div, .post-grid > div, .step-timeline > div, .faq-list > div {
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .feature-grid > div:hover, .service-list > div:hover, .team-members-grid > div:hover, .project-grid > div:hover, .post-grid > div:hover, .step-timeline > div:hover, .faq-list > div:hover {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-4px) scale(1.015);
}
.btn-primary, .btn-secondary {
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition);
}

/* 12. RESPONSIVE DESIGN (MOBILE-FIRST) */
@media (max-width: 1024px) {
  .container {
    max-width: 94vw;
    padding: 0 10px;
  }
  header .container {
    min-height: 64px;
    gap: 12px;
  }
}
@media (max-width: 900px) {
  nav {
    gap: 18px;
  }
  .feature-grid, .service-list, .team-members-grid, .project-grid, .post-grid, .step-timeline, .faq-list {
    gap: 16px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  .section {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .container {
    padding: 0 4vw;
  }
  header .container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 56px;
  }
  nav {
    display: none;
  }
  .btn-primary {
    padding: 10px 18px;
    font-size: 0.98rem;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .feature-grid, .service-list, .team-members-grid, .project-grid, .post-grid, .step-timeline, .faq-list {
    flex-direction: column;
    gap: 12px;
  }
  .feature-grid > div, .service-list > div, .team-members-grid > div, .project-grid > div, .post-grid > div, .step-timeline > div, .faq-list > div {
    min-width: 0;
    width: 100%;
    padding: 18px 10px;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px 10px;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 10px;
    font-size: 0.98rem;
  }
  .cookie-banner .cookie-actions {
    flex-direction: column;
    gap: 10px;
  }
  .cookie-modal {
    padding: 22px 8vw 18px 8vw;
    min-width: 0;
    width: 98vw;
  }
  .mobile-nav {
    margin: 32px 0 0 18px;
    gap: 18px;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.35rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .btn-primary, .btn-secondary {
    padding: 8px 10px;
    font-size: 0.95rem;
  }
  .cookie-modal {
    padding: 12px 2vw 12px 2vw;
  }
}

/* 13. UTILITIES & MISC */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-2 { margin-top: 20px !important; }
.mb-2 { margin-bottom: 20px !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* 14. ACCESSIBILITY */
:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* 15. Z-INDEX LAYERS */
header { z-index: 100; }
.mobile-menu { z-index: 9999; }
.cookie-banner { z-index: 99999; }
.cookie-modal-overlay { z-index: 100000; }

/* 16. PREVENT OVERLAPPING */
.card, .feature-grid > div, .service-list > div, .team-members-grid > div, .project-grid > div, .post-grid > div, .step-timeline > div, .faq-list > div, .testimonial-card {
  margin-bottom: 20px;
}
.section > .container > .content-wrapper > *:not(:last-child) {
  margin-bottom: 20px;
}

/* 17. PRINT STYLES */
@media print {
  header, footer, .mobile-menu, .cookie-banner, .cookie-modal-overlay { display: none !important; }
  body { background: #fff; color: #000; }
}