/* Art Insight Foundations – Geometric Structured CSS Theme */

/* 1. FONT IMPORTS */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Source+Sans+Pro:wght@400;600&display=swap');

:root {
  --primary: #193154;
  --secondary: #F5F2EC;
  --accent: #C63D2F;
  --white: #FFFFFF;
  --black: #181818;
  --gray: #E5E7EB;
  --shadow: 0 4px 24px rgba(25,49,84,0.08);
  --radius-lg: 18px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Source Sans Pro', Arial, sans-serif;
}

html {
  box-sizing: border-box;
  font-size: 18px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  margin: 0;
  background: var(--secondary);
  color: var(--primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
  letter-spacing: 0.01em;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 2. TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  margin: 0 0 18px 0;
  letter-spacing: 0.01em;
  color: var(--primary);
}
h1 {
  font-size: 2.4rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
h2 {
  font-size: 1.7rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
h3 {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
p {
  margin: 0 0 18px 0;
  color: var(--primary);
}

strong {
  font-weight: 700;
}

/* 3. HEADER & NAVIGATION */
header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
}
header img {
  height: 48px;
  width: auto;
}
.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: 0.03em;
  padding: 6px 0;
  border-bottom: 2.5px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.main-nav a:hover,
.main-nav a:focus {
  color: var(--accent);
  border-bottom: 2.5px solid var(--accent);
}

.cta-btn {
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1rem;
  padding: 12px 32px;
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px rgba(198,61,47,0.08);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  outline: none;
  margin-left: 16px;
  display: inline-block;
}
.cta-btn:hover,
.cta-btn:focus {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 24px rgba(25,49,84,0.12);
}

/* Hamburger Menu Button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--primary);
  cursor: pointer;
  margin-left: 12px;
  transition: color var(--transition), transform var(--transition);
  z-index: 120;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  color: var(--accent);
  transform: scale(1.1) rotate(8deg);
}

/* MOBILE MENU OVERLAY */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(25,49,84,0.98);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 40px 28px 28px 28px;
  z-index: 200;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.2rem;
  align-self: flex-end;
  margin-bottom: 24px;
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  color: var(--accent);
  transform: scale(1.1) rotate(-8deg);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}
.mobile-nav a {
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.04em;
  padding: 10px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover,
.mobile-nav a:focus {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

/* 4. HERO & SECTIONS */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
}
.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

/* 5. FLEXBOX LAYOUTS */
.feature-grid,
.gallery-grid,
.team-profiles,
.card-container,
.card-grid,
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 18px;
  margin-bottom: 18px;
}
.feature-grid > div,
.gallery-grid > div,
.team-profiles > div,
.card-container > .card,
.card-grid > .card,
.content-grid > * {
  flex: 1 1 260px;
  min-width: 260px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(25,49,84,0.06);
  padding: 28px 22px;
  margin-bottom: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover,
.gallery-grid > div:hover,
.team-profiles > div:hover,
.card-container > .card:hover,
.card-grid > .card:hover {
  box-shadow: 0 8px 32px rgba(25,49,84,0.13);
  transform: translateY(-4px) scale(1.03);
}

/* Testimonial Card */
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px rgba(25,49,84,0.09);
  margin-bottom: 20px;
  border-left: 6px solid var(--accent);
  position: relative;
  max-width: 600px;
}
.testimonial-card p {
  color: var(--primary);
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 0;
}
.testimonial-meta {
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
}
.star-rating {
  color: var(--accent);
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  font-family: var(--font-display);
  font-weight: 900;
}

/* 6. CARDS & VISUAL ELEMENTS */
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(25,49,84,0.06);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: 0 8px 32px rgba(25,49,84,0.13);
  transform: translateY(-4px) scale(1.03);
}

/* 7. BUTTONS */
button, .btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  border: none;
  padding: 10px 28px;
  background: var(--primary);
  color: var(--white);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  outline: none;
}
button:hover, .btn:hover,
button:focus, .btn:focus {
  background: var(--accent);
  color: var(--white);
  transform: translateY(-2px) scale(1.04);
}

/* Cookie Banner Buttons */
.cookie-banner-btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  border: none;
  padding: 10px 22px;
  margin-right: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.cookie-banner-btn.accept {
  background: var(--accent);
  color: var(--white);
}
.cookie-banner-btn.reject {
  background: var(--gray);
  color: var(--primary);
}
.cookie-banner-btn.settings {
  background: var(--primary);
  color: var(--white);
}
.cookie-banner-btn:hover, .cookie-banner-btn:focus {
  transform: scale(1.04);
  filter: brightness(1.1);
}

/* 8. FOOTER */
footer {
  background: var(--primary);
  color: var(--white);
  padding: 48px 0 24px 0;
  margin-top: 60px;
}
footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-nav, .footer-legal, .footer-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a, .footer-legal a, .footer-social a {
  color: var(--white);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-legal a:hover, .footer-social a:hover {
  color: var(--accent);
}
.footer-contact p {
  margin: 0 0 8px 0;
  font-size: 0.98rem;
  color: var(--white);
}

/* 9. COOKIE CONSENT BANNER */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 -2px 24px rgba(25,49,84,0.13);
  padding: 24px 20px 20px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  z-index: 9999;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  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 p {
  margin: 0 0 8px 0;
  font-size: 1rem;
  color: var(--primary);
}
.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(25,49,84,0.85);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: cookieModalFadeIn 0.3s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: var(--white);
  color: var(--primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 48px rgba(25,49,84,0.18);
  padding: 36px 28px 28px 28px;
  max-width: 420px;
  width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: cookieModalSlideIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalSlideIn {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--primary);
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}
.cookie-category label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--primary);
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--accent);
  width: 20px;
  height: 20px;
  border-radius: 4px;
}
.cookie-modal-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
  margin-top: 10px;
}
.cookie-modal-close {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 1.5rem;
  position: absolute;
  top: 18px;
  right: 22px;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal-close:hover,
.cookie-modal-close:focus {
  color: var(--primary);
}

/* 10. MISCELLANEOUS */
a {
  color: var(--accent);
  text-decoration: underline;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--primary);
}
ul, ol {
  margin: 0 0 18px 24px;
  padding: 0;
}
li {
  margin-bottom: 8px;
}

/* Contact Details */
.contact-details {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(25,49,84,0.06);
  padding: 24px 22px;
  margin-bottom: 20px;
  font-size: 1.05rem;
}

/* Section Spacing Patterns */
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
}
.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;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* 11. GEOMETRIC DECORATIVE ELEMENTS */
/* Example: Add geometric shapes as pseudo-elements for hero/section backgrounds */
section::before {
  content: '';
  display: block;
  position: absolute;
  top: -32px;
  left: -32px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent) 60%, transparent 100%);
  border-radius: 18% 82% 60% 40% / 60% 40% 60% 40%;
  opacity: 0.10;
  z-index: 0;
  pointer-events: none;
}
section::after {
  content: '';
  display: block;
  position: absolute;
  bottom: -32px;
  right: -32px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary) 60%, transparent 100%);
  border-radius: 40% 60% 82% 18% / 40% 60% 40% 60%;
  opacity: 0.10;
  z-index: 0;
  pointer-events: none;
}
section > * {
  position: relative;
  z-index: 1;
}

/* 12. RESPONSIVE DESIGN */
@media (max-width: 1024px) {
  .container {
    max-width: 96vw;
  }
  .main-nav {
    gap: 18px;
  }
  .feature-grid > div,
  .gallery-grid > div,
  .team-profiles > div,
  .card-container > .card,
  .card-grid > .card,
  .content-grid > * {
    min-width: 220px;
    padding: 22px 14px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
  }
  .footer-contact, .footer-legal, .footer-social {
    font-size: 0.95rem;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  header .container {
    flex-direction: row;
    gap: 10px;
    padding: 12px 10px;
  }
  .main-nav {
    display: none;
  }
  .cta-btn {
    margin-left: 0;
    padding: 10px 18px;
    font-size: 0.98rem;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .feature-grid,
  .gallery-grid,
  .team-profiles,
  .card-container,
  .card-grid,
  .content-grid {
    flex-direction: column;
    gap: 18px;
  }
  .feature-grid > div,
  .gallery-grid > div,
  .team-profiles > div,
  .card-container > .card,
  .card-grid > .card,
  .content-grid > * {
    min-width: 0;
    width: 100%;
    padding: 18px 10px;
  }
  .testimonial-card {
    padding: 16px 10px;
    max-width: 100%;
  }
  .footer-nav, .footer-legal, .footer-social {
    flex-direction: column;
    gap: 8px;
  }
  footer .container {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
  }
  section {
    padding: 24px 8px;
    margin-bottom: 36px;
  }
}
@media (max-width: 480px) {
  html {
    font-size: 15px;
  }
  .container {
    padding: 0 6px;
  }
  .cta-btn {
    padding: 10px 12px;
    font-size: 0.95rem;
  }
  .cookie-modal {
    padding: 18px 6px 14px 6px;
  }
}

/* 13. ACCESSIBILITY & FOCUS */
a:focus, button:focus, .cta-btn:focus, .cookie-banner-btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 14. UTILITIES */
.hide {
  display: none !important;
}

/* 15. GEOMETRIC STRUCTURED MICRO-INTERACTIONS */
.card, .feature-grid > div, .gallery-grid > div, .team-profiles > div {
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover, .feature-grid > div:hover, .gallery-grid > div:hover, .team-profiles > div:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(25,49,84,0.13);
  transform: translateY(-4px) scale(1.03) rotate(-1deg);
}

/* 16. DARK TEXT ON LIGHT BG FOR TESTIMONIALS */
.testimonial-card, .testimonial-card p, .testimonial-meta {
  background: var(--white);
  color: var(--primary);
}

/* 17. Z-INDEX SAFETY */
header, .mobile-menu, .cookie-banner, .cookie-modal-overlay {
  z-index: 1000;
}

/* 18. PREVENT OVERLAPPING */
section, .card, .feature-grid > div, .gallery-grid > div, .testimonial-card {
  margin-bottom: 20px;
}

/* 19. NO GRID OR COLUMNS USED */
/* All layouts use only flexbox as required. */