/* Quiet Echo Ventures - Monochrome Sophisticated Style */

/* =====================
   CSS Variables & Base
   ===================== */
:root {
  --color-primary: #163147;
  --color-secondary: #5EB6C9;
  --color-accent: #F5F7FA;
  --color-black: #111111;
  --color-white: #fff;
  --color-gray-100: #f7f7f7;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #cccccc;
  --color-gray-400: #999999;
  --color-gray-500: #666666;
  --color-gray-600: #444444;
  --color-gray-700: #222222;
  --color-shadow: rgba(22, 49, 71, 0.08);
  --color-shadow-dark: rgba(22, 49, 71, 0.16);
  --font-display: 'Montserrat', 'Arial', sans-serif;
  --font-body: 'Open Sans', 'Arial', sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 18px;
  --header-height: 72px;
  --z-header: 100;
  --z-mobile-menu: 200;
  --z-cookie: 300;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  background: var(--color-white);
  color: var(--color-black);
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  font-family: var(--font-body);
  background: var(--color-accent);
  color: var(--color-black);
  margin: 0;
  min-height: 100vh;
  line-height: 1.7;
  font-size: 1rem;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

/* =====================
   Typography
   ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-black);
  margin-top: 0;
  margin-bottom: 0.6em;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 {
  font-size: 2.5rem;
  line-height: 1.15;
  margin-bottom: 0.5em;
}
h2 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 0.5em;
}
h3 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 0.4em;
}
h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3em;
}
p, ul, ol {
  margin-top: 0;
  margin-bottom: 1.1em;
  color: var(--color-gray-700);
  font-size: 1.05rem;
}
ul, ol {
  padding-left: 1.3em;
}
strong {
  color: var(--color-black);
  font-weight: 700;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* =====================
   Layout Containers
   ===================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 16px var(--color-shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* =====================
   Header & Navigation
   ===================== */
header {
  background: var(--color-white);
  box-shadow: 0 2px 12px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  min-height: var(--header-height);
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 0;
}
header img {
  height: 44px;
  width: auto;
  margin-right: 32px;
}
nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 24px;
}
nav a {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-black);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
nav a:hover, nav a:focus {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}
nav .cta-primary {
  background: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: var(--radius-sm);
  padding: 8px 22px;
  margin-left: 16px;
  font-weight: 700;
  border: none;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
nav .cta-primary:hover, nav .cta-primary:focus {
  background: var(--color-secondary);
  color: var(--color-black) !important;
  box-shadow: 0 4px 16px var(--color-shadow-dark);
}

/* =====================
   Mobile Navigation
   ===================== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 24px;
  transition: color var(--transition);
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-secondary);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(22,49,71,0.98);
  z-index: var(--z-mobile-menu);
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 40px 24px 24px 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(.4,0,.2,1);
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.2rem;
  align-self: flex-end;
  margin-bottom: 24px;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:focus {
  outline: 2px solid var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}
.mobile-nav a {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-secondary);
}

/* =====================
   Main Content Sections
   ===================== */
section {
  margin-bottom: 60px;
  padding: 40px 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.features-grid, .services-grid, .team-grid, .opportunity-cards, .articles-list, .downloads-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 20px;
}
.features-grid > div, .services-grid > div, .team-grid > div, .opportunity-cards > div, .articles-list > div, .downloads-grid > div {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 28px 24px;
  flex: 1 1 260px;
  min-width: 240px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.features-grid > div:hover, .services-grid > div:hover, .team-grid > div:hover, .opportunity-cards > div:hover, .articles-list > div:hover, .downloads-grid > div:hover {
  box-shadow: 0 6px 24px var(--color-shadow-dark);
  transform: translateY(-4px) scale(1.02);
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: 0 6px 24px var(--color-shadow-dark);
  transform: translateY(-4px) scale(1.02);
}

.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;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* =====================
   Testimonials
   ===================== */
.testimonials-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 20px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-gray-100);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  min-width: 260px;
  max-width: 400px;
  margin-bottom: 20px;
  color: var(--color-black);
  font-size: 1.08rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card strong {
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
}
.testimonial-card:hover {
  box-shadow: 0 6px 24px var(--color-shadow-dark);
  transform: translateY(-4px) scale(1.02);
}

/* =====================
   FAQ Accordion
   ===================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-accordion > div {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 6px var(--color-shadow);
  padding: 18px 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.faq-accordion > div:hover {
  box-shadow: 0 4px 16px var(--color-shadow-dark);
  transform: translateY(-2px) scale(1.01);
}
.faq-accordion h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3em;
}

/* =====================
   Download Buttons
   ===================== */
.download-btn {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 10px;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.download-btn:hover, .download-btn:focus {
  background: var(--color-secondary);
  color: var(--color-black);
  box-shadow: 0 4px 16px var(--color-shadow-dark);
}

/* =====================
   CTA Buttons
   ===================== */
.cta-primary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: var(--radius-lg);
  padding: 14px 38px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 12px var(--color-shadow);
  border: none;
  margin-top: 12px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-secondary);
  color: var(--color-black) !important;
  box-shadow: 0 6px 24px var(--color-shadow-dark);
  transform: translateY(-2px) scale(1.03);
  text-decoration: none;
}

/* =====================
   Footer
   ===================== */
footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 48px 0 24px 0;
  font-size: 1rem;
}
footer .container {
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}
footer nav {
  display: flex;
  flex-direction: row;
  gap: 24px;
  margin-bottom: 12px;
}
footer nav a {
  color: var(--color-gray-300);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--transition);
}
footer nav a:hover, footer nav a:focus {
  color: var(--color-secondary);
}
.footer-contact {
  color: var(--color-gray-200);
  font-size: 0.98rem;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
footer p {
  color: var(--color-gray-400);
  margin: 0;
  font-size: 0.95rem;
}

/* =====================
   Cookie Consent Banner
   ===================== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: var(--z-cookie);
  background: var(--color-black);
  color: var(--color-white);
  padding: 24px 20px;
  box-shadow: 0 -2px 16px var(--color-shadow-dark);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity 0.4s var(--transition), transform 0.4s var(--transition);
}
.cookie-banner.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.cookie-banner .cookie-text {
  flex: 1 1 0;
  font-size: 1rem;
  color: var(--color-white);
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-btn {
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 1px 6px var(--color-shadow);
}
.cookie-btn:hover, .cookie-btn:focus {
  background: var(--color-secondary);
  color: var(--color-black);
}
.cookie-btn.settings {
  background: var(--color-gray-600);
  color: var(--color-white);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-secondary);
  color: var(--color-black);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(22,49,71,0.85);
  z-index: calc(var(--z-cookie) + 1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--transition);
}
.cookie-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: var(--color-white);
  color: var(--color-black);
  border-radius: var(--radius);
  box-shadow: 0 4px 32px var(--color-shadow-dark);
  padding: 36px 28px 28px 28px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  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-close {
  position: absolute;
  top: 16px; right: 18px;
  background: none;
  border: none;
  color: var(--color-gray-500);
  font-size: 1.7rem;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal-close:hover, .cookie-modal-close:focus {
  color: var(--color-primary);
}
.cookie-modal h3 {
  margin-bottom: 0.4em;
  font-size: 1.2rem;
  color: var(--color-primary);
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.cookie-category label {
  font-size: 1rem;
  color: var(--color-black);
  font-weight: 500;
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 20px;
  height: 20px;
}
.cookie-category .always-on {
  color: var(--color-gray-500);
  font-size: 0.98rem;
  margin-left: 8px;
}

/* =====================
   Responsive Design
   ===================== */
@media (max-width: 1024px) {
  .container {
    max-width: 900px;
  }
  .features-grid > div, .services-grid > div, .team-grid > div, .opportunity-cards > div, .articles-list > div, .downloads-grid > div {
    min-width: 180px;
    padding: 22px 14px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
  }
  .features-grid, .services-grid, .team-grid, .opportunity-cards, .articles-list, .downloads-grid {
    gap: 16px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  header .container {
    flex-direction: row;
    gap: 0;
  }
  nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .features-grid, .services-grid, .team-grid, .opportunity-cards, .articles-list, .downloads-grid {
    flex-direction: column;
    gap: 20px;
  }
  .features-grid > div, .services-grid > div, .team-grid > div, .opportunity-cards > div, .articles-list > div, .downloads-grid > div {
    min-width: 0;
    width: 100%;
    padding: 18px 12px;
  }
  .testimonials-slider {
    flex-direction: column;
    gap: 20px;
  }
  .testimonial-card {
    max-width: 100%;
    min-width: 0;
    padding: 16px 10px;
  }
  .content-grid {
    flex-direction: column;
    gap: 20px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 10px;
  }
}
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  h1 {
    font-size: 1.7rem;
  }
  h2 {
    font-size: 1.25rem;
  }
  .container {
    padding-left: 8px;
    padding-right: 8px;
  }
  .section {
    padding: 24px 6px;
  }
  .cookie-modal {
    padding: 18px 8px 14px 8px;
    min-width: 0;
  }
}

/* =====================
   Utility Classes
   ===================== */
.hide {
  display: none !important;
}
.visible {
  display: block !important;
}

/* =====================
   Miscellaneous
   ===================== */
::-webkit-scrollbar {
  width: 8px;
  background: var(--color-gray-200);
}
::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: 4px;
}

/* =====================
   Focus Styles
   ===================== */
a:focus, button:focus, .cta-primary:focus, .download-btn:focus, .cookie-btn:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* =====================
   Animations
   ===================== */
.cta-primary, .download-btn, .cookie-btn {
  will-change: transform, box-shadow;
}

/* =====================
   End of CSS
   ===================== */