/* =========================
   Regna Burst - Industrial Modern CSS
   ========================= */

/* ====== FONT IMPORTS ====== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Roboto:wght@400;500;700&display=swap');

:root {
  --color-primary: #1B263B;
  --color-secondary: #E0E1DD;
  --color-accent: #778DA9;
  --color-accent-dark: #6B7C99;
  --color-bg: #161B22;
  --color-bg-light: #232B38;
  --color-metal: #A3A9B8;
  --color-white: #FFFFFF;
  --color-black: #10141A;
  --color-shadow: rgba(30, 36, 50, 0.25);
  --color-shadow-strong: rgba(30, 36, 50, 0.45);
  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --header-height: 72px;
  --z-cookie: 9999;
  --z-mobile-menu: 9998;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

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

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-white);
  margin-top: 0;
  margin-bottom: 0.7em;
  font-weight: 900;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
h2 {
  font-size: 1.6rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
h3 {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
h4, h5, h6 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
}
p, ul, ol {
  margin-top: 0;
  margin-bottom: 1.2em;
  color: var(--color-secondary);
  font-size: 1rem;
}
strong {
  color: var(--color-accent);
  font-weight: 700;
}
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

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

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: 0 4px 24px var(--color-shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ====== FLEXBOX PATTERNS ====== */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 24px;
  min-width: 260px;
  flex: 1 1 260px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  border: 1.5px solid var(--color-metal);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  border-color: var(--color-accent);
}

.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;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-secondary);
  color: var(--color-black);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px var(--color-shadow);
  min-width: 260px;
  flex: 1 1 260px;
  margin-bottom: 20px;
  border-left: 5px solid var(--color-accent);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card:hover {
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  border-color: var(--color-primary);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* ====== FEATURES GRID ====== */
.features-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}
.features-grid > div {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 24px;
  flex: 1 1 240px;
  min-width: 220px;
  margin-bottom: 20px;
  border: 1.5px solid var(--color-metal);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.features-grid > div:hover {
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  border-color: var(--color-accent);
}

/* ====== TEAM GRID ====== */
.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}
.team-grid > div {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 24px;
  flex: 1 1 220px;
  min-width: 200px;
  margin-bottom: 20px;
  border: 1.5px solid var(--color-metal);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.team-grid > div:hover {
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  border-color: var(--color-accent);
}

/* ====== TESTIMONIALS SLIDER/GRID ====== */
.testimonials-slider, .testimonials-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}

/* ====== PHOTO GALLERY ====== */
.photo-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: flex-start;
}
.photo-gallery > div {
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 16px;
  min-width: 160px;
  flex: 1 1 160px;
  margin-bottom: 20px;
  border: 1.5px solid var(--color-metal);
  color: var(--color-secondary);
  font-size: 0.95rem;
}

/* ====== SKILLS GRID ====== */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: flex-start;
}
.skills-grid ul {
  padding-left: 20px;
  margin: 0;
}
.skills-grid li {
  margin-bottom: 10px;
  color: var(--color-secondary);
  font-size: 1rem;
  position: relative;
}
.skills-grid li:before {
  content: '\2022';
  color: var(--color-accent);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

/* ====== BUTTONS & CTA ====== */
.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 32px;
  font-size: 1.05rem;
  box-shadow: 0 2px 12px var(--color-shadow);
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  margin-top: 10px;
  margin-bottom: 10px;
  text-decoration: none;
}
.cta-primary:hover, .cta-primary:focus {
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent));
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.03);
  color: var(--color-white);
}

/* ====== NAVIGATION ====== */
header {
  background: var(--color-bg-light);
  box-shadow: 0 2px 12px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: var(--header-height);
  min-height: var(--header-height);
  background: none;
}
.main-nav a {
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1rem;
  padding: 8px 0;
  transition: color var(--transition), border-bottom var(--transition);
  border-bottom: 2px solid transparent;
  position: relative;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}
.main-nav .cta-primary {
  margin-left: auto;
  margin-right: 0;
  font-size: 1rem;
  padding: 10px 24px;
}
.main-nav img {
  height: 38px;
  margin-right: 18px;
  vertical-align: middle;
}

/* ====== MOBILE NAVIGATION ====== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 2.2rem;
  cursor: pointer;
  margin-left: auto;
  margin-right: 20px;
  z-index: var(--z-mobile-menu);
  transition: color var(--transition);
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  color: var(--color-accent-dark);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(27,38,59,0.98);
  z-index: var(--z-mobile-menu);
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  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;
  animation: mobileMenuSlideIn 0.35s cubic-bezier(.4,0,.2,1);
}
@keyframes mobileMenuSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 2.2rem;
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-accent-dark);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  align-items: flex-start;
  padding: 40px 32px;
}
.mobile-nav a {
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  padding: 10px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-bottom var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

/* ====== FOOTER ====== */
footer {
  background: var(--color-bg-light);
  color: var(--color-secondary);
  padding: 40px 20px 20px 20px;
  margin-top: 60px;
  border-top: 2px solid var(--color-metal);
  box-shadow: 0 -2px 12px var(--color-shadow);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
  justify-content: flex-start;
}
.footer-nav a {
  color: var(--color-accent);
  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-nav a:focus {
  color: var(--color-accent-dark);
}
.footer-contact {
  font-size: 0.98rem;
  margin-bottom: 16px;
  color: var(--color-secondary);
}
.footer-copyright {
  font-size: 0.92rem;
  color: var(--color-metal);
}

/* ====== CLIENT LOGOS ====== */
.client-logos {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
  color: var(--color-metal);
  font-size: 1.1rem;
  font-family: var(--font-display);
  letter-spacing: 0.03em;
}

/* ====== LISTS ====== */
ul, ol {
  padding-left: 24px;
}
li {
  margin-bottom: 10px;
  font-size: 1rem;
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1024px) {
  .container {
    max-width: 900px;
  }
  .main-nav {
    gap: 16px;
  }
  .features-grid, .team-grid, .testimonials-slider, .testimonials-grid, .photo-gallery {
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
  }
  .main-nav {
    gap: 10px;
  }
  .features-grid > div, .team-grid > div, .card, .testimonial-card {
    min-width: 180px;
    padding: 18px;
  }
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .section {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .features-grid, .team-grid, .testimonials-slider, .testimonials-grid, .photo-gallery {
    flex-direction: column;
    gap: 20px;
  }
  .features-grid > div, .team-grid > div, .card, .testimonial-card, .photo-gallery > div {
    min-width: 0;
    width: 100%;
    margin-bottom: 20px;
  }
  .content-grid {
    flex-direction: column;
    gap: 20px;
  }
  .text-image-section {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }
  .footer-nav {
    flex-direction: column;
    gap: 10px;
  }
  .client-logos {
    flex-direction: column;
    gap: 10px;
    font-size: 1rem;
  }
}
@media (max-width: 480px) {
  h1 { font-size: 1.3rem; }
  h2 { font-size: 1.1rem; }
  .cta-primary {
    font-size: 0.98rem;
    padding: 10px 16px;
  }
  .container {
    padding-left: 8px;
    padding-right: 8px;
  }
  .footer-contact, .footer-copyright {
    font-size: 0.9rem;
  }
}

/* ====== MICRO-INTERACTIONS ====== */
.card, .features-grid > div, .team-grid > div, .testimonial-card, .photo-gallery > div {
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.card:hover, .features-grid > div:hover, .team-grid > div:hover, .testimonial-card:hover, .photo-gallery > div:hover {
  box-shadow: 0 8px 32px var(--color-shadow-strong);
  border-color: var(--color-accent);
  transform: translateY(-2px) scale(1.02);
}

/* ====== COOKIE CONSENT BANNER ====== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: var(--z-cookie);
  background: var(--color-bg-light);
  color: var(--color-secondary);
  box-shadow: 0 -2px 24px var(--color-shadow-strong);
  padding: 24px 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
  font-size: 1rem;
  border-top: 2px solid var(--color-metal);
  animation: cookieBannerSlideIn 0.5s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieBannerSlideIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner__text {
  flex: 1 1 60%;
  color: var(--color-secondary);
}
.cookie-banner__actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  align-items: center;
}
.cookie-btn {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  margin: 0 2px;
}
.cookie-btn.accept {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent));
}
.cookie-btn.reject {
  background: var(--color-bg);
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-accent);
  color: var(--color-white);
}
.cookie-btn.settings {
  background: var(--color-bg-light);
  color: var(--color-metal);
  border: 1.5px solid var(--color-metal);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-metal);
  color: var(--color-bg-light);
}
@media (max-width: 700px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    font-size: 0.98rem;
    padding: 18px 8px;
  }
  .cookie-banner__actions {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    align-items: stretch;
  }
}

/* ====== COOKIE MODAL ====== */
.cookie-modal-overlay {
  position: fixed;
  z-index: var(--z-cookie);
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(27,38,59,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(.4,0,.2,1);
}
.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
  animation: cookieModalFadeIn 0.35s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: var(--color-bg-light);
  color: var(--color-secondary);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px var(--color-shadow-strong);
  padding: 36px 28px 28px 28px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  animation: cookieModalPopIn 0.35s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalPopIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.cookie-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal-close:hover, .cookie-modal-close:focus {
  color: var(--color-accent-dark);
}
.cookie-modal h2 {
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.cookie-category label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-secondary);
}
.cookie-toggle {
  appearance: none;
  width: 38px;
  height: 20px;
  background: var(--color-metal);
  border-radius: 12px;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background var(--transition);
}
.cookie-toggle:checked {
  background: var(--color-accent);
}
.cookie-toggle:before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 14px;
  height: 14px;
  background: var(--color-bg-light);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}
.cookie-toggle:checked:before {
  transform: translateX(18px);
  background: var(--color-white);
}
.cookie-category .cookie-toggle[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}
.cookie-modal-actions {
  display: flex;
  gap: 16px;
  margin-top: 18px;
}
.cookie-modal-actions .cookie-btn {
  flex: 1 1 0;
}

/* ====== UTILITY CLASSES ====== */
.hide {
  display: none !important;
}
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.text-left {
  text-align: left;
}

/* ====== ACCESSIBILITY ====== */
:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar {
  width: 10px;
  background: var(--color-bg-light);
}
::-webkit-scrollbar-thumb {
  background: var(--color-metal);
  border-radius: 8px;
}

/* ====== END OF CSS ====== */