/* RESET & NORMALIZE */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center, 
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  box-sizing: border-box;
}
/* Set box-sizing border-box globally */
*, *::before, *::after {
  box-sizing: inherit;
}
html {
  box-sizing: border-box;
  font-size: 16px;
}
body {
  font-family: 'Roboto', Arial, sans-serif;
  background: #F7F8FA;
  color: #181818;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  background-color: #fff;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s cubic-bezier(0.4,0,0.2,1);
}
ul, ol {
  padding-left: 1.25em;
  margin-bottom: 1.4em;
}
li {
  margin-bottom: 0.4em;
}
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Roboto', Arial, sans-serif;
  font-weight: 700;
  color: #111111;
}
h1 { font-size: 2.25rem; margin-bottom: 24px; letter-spacing: -1px; }
h2 { font-size: 1.5rem; margin-bottom: 20px; }
h3 { font-size: 1.2rem; margin-bottom: 12px; }
h4, h5, h6 { margin-bottom: 10px; }
p { margin-bottom: 1.1em; }
strong { color: #181818; font-weight: 700; }

/* MONOCHROME SOPHISTICATED COLOR PALETTE */
:root {
  --primary: #19437A;
  --secondary: #F3F8FF;
  --accent: #FFAA2D;
  --white: #fff;
  --gray-0: #F7F8FA;
  --gray-1: #F0F1F4;
  --gray-2: #DDE0E3;
  --gray-3: #BABFC5;
  --gray-4: #7C828B;
  --gray-5: #23262F;
  --black: #181818;
  --shadow-lg: 0 8px 24px rgba(24,24,24,0.12);
  --shadow: 0 2px 8px rgba(24,24,24,0.06);
  --radius: 12px;
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* LAYOUT CONTAINERS */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 18px;
  padding-right: 18px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.content-wrapper {
  /* For section-level alignment and spacing */
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}
/* Utility: vertical only on mobile, more spacing on desktop */
@media (min-width: 800px) {
  .content-wrapper {
    gap: 32px;
  }
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  min-width: 230px;
  flex: 1 1 300px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px) scale(1.017);
  z-index: 2;
}

.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;
}
@media (max-width: 768px) {
  .text-image-section { flex-direction: column; gap: 20px; }
}

.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 32px;
  border-radius: var(--radius);
  background: var(--gray-0);
  box-shadow: var(--shadow);
  color: var(--black);
  margin-bottom: 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
  border-left: 3px solid var(--primary);
  position: relative;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
  background: var(--white);
}
.testimonial-meta {
  font-size: 0.97em;
  font-weight: 500;
  color: var(--gray-4);
}

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

.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  width: 100%;
  justify-content: flex-start;
}
.feature-grid > div {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 22px 18px 22px;
  flex: 1 1 220px;
  min-width: 190px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  transition: box-shadow var(--transition), outline var(--transition);
}
.feature-grid > div img {
  margin-bottom: 10px; height: 32px; width: 32px; filter: grayscale(1); opacity: 0.78;
}
.feature-grid > div:hover, .feature-grid > div:focus-within {
  box-shadow: var(--shadow-lg);
  outline: 2px solid var(--primary);
  z-index: 1;
}

/* HERO BUTTONS & CTA */
.primary-cta, .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--black);
  color: var(--white);
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.82em 2em;
  border-radius: var(--radius);
  border: none;
  outline: none;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  margin-top: 8px;
}
.primary-cta:hover, .primary-cta:focus, .nav-cta:hover, .nav-cta:focus {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px) scale(1.02);
}
.secondary-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius);
  color: var(--black);
  font-weight: 600;
  padding: 0.80em 2em;
  margin-top: 6px;
  font-family: 'Montserrat', Arial, sans-serif;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.secondary-cta:hover, .secondary-cta:focus {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--gray-1);
}

/* NAVIGATION BAR */
header {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(24,24,24,0.045);
  width: 100%;
  z-index: 40;
}
.nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
}
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  margin-left: 32px;
}
.main-nav > a {
  color: var(--black);
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  opacity: 0.88;
  padding: 7px 10px;
  border-radius: 7px;
  transition: color var(--transition), background var(--transition);
}
.main-nav > a:hover, .main-nav > a:focus {
  color: var(--primary);
  background: var(--gray-1);
  opacity: 1;
}
.mobile-menu-toggle, .mobile-menu-close {
  background: none;
  border: none;
  color: var(--black);
  font-size: 2.1rem;
  cursor: pointer;
  z-index: 103;
  transition: color var(--transition);
  line-height: 1;
  padding: 6px 12px;
  border-radius: 8px;
}
.mobile-menu-toggle:hover, .mobile-menu-close:hover,
.mobile-menu-toggle:focus, .mobile-menu-close:focus {
  color: var(--primary);
  background: var(--gray-1);
}
.mobile-menu-toggle {
  display: none;
}

/* Responsive nav & mobile menu */
@media (max-width: 1000px) {
  .main-nav {
    display: none;
  }
  .nav-header .primary-cta,
  .nav-header .nav-cta {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

/* MOBILE MENU OVERLAY */
.mobile-menu {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background: var(--white);
  box-shadow: 0 0 0 999px rgba(24,24,24,0.27);
  z-index: 101;
  transform: translateX(-101vw);
  transition: transform 0.32s cubic-bezier(0.42,0,0.47,1);
  will-change: transform;
  padding-top: 32px;
}
.mobile-menu.active {
  transform: translateX(0);
}
.mobile-menu-close {
  align-self: flex-end;
  margin-right: 28px;
  margin-bottom: 20px;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: flex-start;
  padding: 0 36px;
}
.mobile-nav a {
  display: block;
  color: var(--black);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-1);
  width: 100%;
  border-radius: 2px;
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:last-child {
  border: none;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--primary);
  background: var(--gray-1);
}
@media (min-width: 1001px) {
  .mobile-menu { display: none; }
}

/* HERO SECTION */
main > section:first-of-type {
  background: var(--white);
  border-bottom: 1px solid var(--gray-2);
  box-shadow: 0 1px 3px rgba(24,24,24,0.02);
  padding-top: 38px;
  padding-bottom: 38px;
}
@media (min-width: 900px) {
  main > section:first-of-type .container {
    min-height: 360px;
    display: flex;
    align-items: center;
  }
}

/* TABLE STYLE */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
thead th {
  background: var(--gray-1);
  color: var(--black);
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 10px;
  border-bottom: 2px solid var(--gray-2);
}
tbody td {
  padding: 10px 10px;  
  border-bottom: 1px solid var(--gray-2);
  color: var(--black);
  font-size: 0.98rem;
}
tbody tr:last-child td {
  border-bottom: none;
}
tbody tr:hover {
  background: var(--gray-0);
  transition: background var(--transition);
}

/* STAR RATINGS (in .opinie) */
.star-rating {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 1.08rem;
  color: var(--accent);
  margin: 6px 0 10px 0;
}
.star-rating img {
  height: 20px;
  margin-right: 1px;
  filter: grayscale(0) brightness(1.12);
}
.star-rating span {
  margin-left: 10px;
  color: var(--gray-4);
  font-size: 0.96em;
}

/* TEXT SECTION (about, kontakt, polityka) */
.text-section {
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 30px 20px;
  gap: 18px;
}

.text-section ul, .text-section ol {
  margin-left: 0.7em;
  margin-bottom: 1em;
}
.text-section ul li, .text-section ol li {
  padding-left: 0.2em;
  margin-bottom: 0.55em;
}

.text-section a {
  color: var(--primary);
  text-decoration: underline;
  transition: color var(--transition);
}
.text-section a:hover, .text-section a:focus { color: var(--accent); }

/* FAQ dl/dt/dd */
dt {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  color: var(--primary);
  margin-top: 16px;
  margin-bottom: 4px;
}
dd {
  margin-left: 18px;
  margin-bottom: 10px;
  color: var(--black);
}

/* FOOTER */
footer {
  background: var(--gray-5);
  color: var(--white);
  margin-top: 72px;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  padding: 36px 18px 22px 18px;
}
footer nav {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
footer nav a {
  color: var(--white);
  font-size: 1rem;
  font-family: 'Montserrat', Arial, sans-serif;
  opacity: 0.86;
  transition: color var(--transition);
}
footer nav a:hover, footer nav a:focus {
  color: var(--accent);
  opacity: 1;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.98rem;
}
.footer-contact p img {
  height: 18px;
  width: auto;
  margin-right: 8px;
  vertical-align: middle;
  filter: grayscale(1) brightness(1.6);
}
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact a {
  color: var(--white);
  opacity: 0.92;
}
.footer-contact a:hover, .footer-contact a:focus { color: var(--accent); }
.footer-copyright {
  font-size: 0.93rem;
  color: var(--gray-3);
  margin-top: 12px;
  opacity: 0.85;
}
@media (max-width: 800px) {
  .footer-nav {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
    padding: 24px 14px 12px 14px;
  }
  .footer-contact {
    gap: 4px;
  }
}

/* COOKIES BANNER */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4000;
  background: var(--gray-5);
  color: var(--white);
  padding: 20px 16px 20px 16px;
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -2px 20px rgba(24,24,24,0.13);
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 500px;
  margin: 0 auto;
  left: 50%;
  transform: translateX(-50%);
  opacity: 1;
  transition: opacity 0.34s;
  font-size: 1rem;
}
.cookie-banner.hide { opacity: 0; pointer-events: none; }
.cookie-banner-text { font-size: 0.98rem; }
.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 0px;
}
.cookie-btn {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  border: none;
  border-radius: 9px;
  padding: 0.7em 1.8em;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  margin-bottom: 0;
}
.cookie-btn.accept {
  background: var(--accent);
  color: var(--black);
  box-shadow: var(--shadow);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--primary);
  color: var(--white);
}
.cookie-btn.reject {
  background: var(--gray-2);
  color: var(--black);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--black);
  color: var(--white);
}
.cookie-btn.settings {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--gray-3);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--gray-1);
  color: var(--primary);
}

/* COOKIE MODAL */
.cookie-modal {
  position: fixed;
  left: 50vw;
  top: 50vh;
  z-index: 4500;
  background: var(--white);
  color: var(--black);
  box-shadow: 0 8px 40px rgba(24,24,24,0.22);
  border-radius: 18px;
  min-width: 320px;
  max-width: 95vw;
  width: 410px;
  padding: 32px 30px 26px 30px;
  transform: translate(-50%, -48%) scale(1);
  opacity: 1;
  transition: opacity 0.26s, transform 0.32s;
  display: flex;
  flex-direction: column;
  gap: 21px;
}
.cookie-modal.hide {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -34%) scale(0.97);
}
.cookie-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 22px;
}
.cookie-modal-title {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1.23rem;
  font-weight: 700;
  color: var(--primary);
}
.cookie-modal-close {
  background: none;
  border: none;
  font-size: 1.7rem;
  color: var(--gray-4);
  cursor: pointer;
  transition: color 0.16s;
}
.cookie-modal-close:hover, .cookie-modal-close:focus { color: var(--accent); }
.cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.cookie-category {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  font-size: 1.07em;
}
.cookie-category .toggle {
  appearance: none;
  border: none;
  background: var(--gray-2);
  border-radius: 24px;
  width: 44px;
  height: 24px;
  position: relative;
  cursor: pointer;
  transition: background 0.19s;
}
.cookie-category .toggle:checked {
  background: var(--primary);
}
.cookie-category .toggle::after {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--white);
  position: absolute;
  top: 2px;
  left: 3px;
  transition: left 0.15s cubic-bezier(0.7,0,0.25,1);
  box-shadow: 0px 1.4px 4px rgba(24,24,24,0.09);
}
.cookie-category .toggle:checked::after {
  left: 21px;
}
.cookie-category .always-on {
  color: var(--gray-3);
  font-size: 0.98em;
}
.cookie-modal-actions {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  align-items: center;
  justify-content: flex-end;
}
.cookie-modal-actions button {
  padding: 0.7em 1.5em;
  border-radius: 8px;
  border: none;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  font-size: 1em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.cookie-modal-actions .accept {
  background: var(--primary);
  color: var(--white);
}
.cookie-modal-actions .accept:hover, .cookie-modal-actions .accept:focus {
  background: var(--accent);
  color: var(--black);
}
.cookie-modal-actions .reject {
  background: var(--gray-3);
  color: var(--black);
}
.cookie-modal-actions .reject:hover, .cookie-modal-actions .reject:focus {
  background: var(--black);
  color: var(--white);
}
@media (max-width: 500px) {
  .cookie-banner {
    border-radius: 0;
    padding: 16px 2vw;
    left: 0; right: 0;
    transform: none;
    max-width: 100vw;
  }
  .cookie-modal {
    min-width: 92vw;
    padding: 19px 7vw 19px 6vw;
    width: unset;
  }
}

/* TYPOGRAPHY SCALE & SPACING */
@media (max-width: 600px) {
  h1 { font-size: 1.38rem; }
  h2 { font-size: 1.08rem; }
  .primary-cta, .secondary-cta, .nav-cta { font-size: 0.97rem; padding: 0.76em 1.3em; }
  html { font-size: 15px; }
}
@media (max-width: 440px) {
  h1 { font-size: 1.12rem; }
  h2 { font-size: 0.92rem; }
  h3 { font-size: 0.97rem; }
}

/* SECTION SPACING - CRITICAL */
main section {
  padding: 40px 3vw 40px 3vw;
}
main section:last-child {
  margin-bottom: 0;
}
@media (max-width: 720px) {
  main section { padding: 28px 1vw; margin-bottom: 34px; }
}

/*********** DECORATIVE ***********/

/* Elegant shadows for monochrome sophistication */
.card, .testimonial-card, .text-section {
  box-shadow: 0 1.5px 7px rgba(60,60,60,0.09);
}

/* TRANSITION FOR INTERACTIVE */
button, .primary-cta, .secondary-cta, .nav-cta, .cookie-btn {
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

/* FORM CONTROLS */
input, select, textarea {
  font-family: inherit;
  padding: 7px 13px;
  border: 1.1px solid var(--gray-2);
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  background: #fff;
  box-shadow: 0 0.5px 0 rgba(24,24,24,0.025);
  color: var(--black);
  margin-bottom: 14px;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  background: var(--gray-1);
}

/*****************************
 * FLEXBOX LAYOUTS PER GUIDE *
 *****************************/

/* Ensure all multi-element containers use flex */
section .container > .content-wrapper,
section .container > .feature-grid,
section .container > .testimonial-card,
.content-grid, .card-container,
.footer-nav, .main-nav,
.text-image-section {
  display: flex;
}

/***** Accessibility & FOCUS STATES *****/
a:focus, button:focus, .primary-cta:focus, .secondary-cta:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1.5px;
}

/***** Utility Flex helpers *****/
.flex {
  display: flex;
  gap: 20px;
}
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }

@media (max-width: 1000px) {
  .footer-nav { flex-direction: column; gap: 18px; align-items: flex-start; }
}

/* Space between content cards */
.card + .card, .testimonial-card + .testimonial-card {
  margin-top: 24px;
}

/**** MINI-ANIMATION/MICRO-INTERACTIONS ****/
.primary-cta,.secondary-cta,.nav-cta {
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition), color var(--transition);
}
.card:hover, .feature-grid > div:hover, .testimonial-card:hover {
  transform: translateY(-3px) scale(1.016);
}
.card:active, .feature-grid > div:active, .testimonial-card:active {
  opacity: 0.96;
  transform: none;
}

/***** SPACING BETWEEN ELEMENTS ******/
.container > .content-wrapper > *,
.container > .feature-grid > *,
.card-container > .card {
  margin-bottom: 0;
}
.container > .content-wrapper > * + * {
  margin-top: 16px;
}

/***** Prevent background/text contrast issues (e.g. testimonials) *****/
.testimonial-card, .testimonial-meta, .star-rating span {
  color: #111;
  background: #F3F8FF;
  border-left: 4px solid var(--primary);
}

/***** Hide visually but accessible *****/
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px,1px,1px,1px);
  white-space: nowrap;
}

/***** Scrollbar styling *****/
::-webkit-scrollbar {
  width: 8px; background: var(--gray-0); border-radius: 7px;
}
::-webkit-scrollbar-thumb {
  background: var(--gray-2); border-radius: 7px;
}

/***** HIGH Z-INDEX FOR MOBILE MENU & MODALS *****/
.mobile-menu { z-index: 1011; }
.mobile-menu.active { z-index: 2000; }
.cookie-modal { z-index: 4004; }

/***** Miscellaneous fix for spacing *****/
footer { margin-bottom: 0; }
main > section:last-child { margin-bottom: 0; }

/*** Monochrome Aesthetic Details ***/
header, main, {
  background-color: var(--white);
}
h1, h2, h3, h4 { letter-spacing: -0.5px; color: var(--black); }

/**** Hide mobile menu by default ****/
.mobile-menu { display: flex; } /* required for animation even when hidden */
@media (min-width:1001px) {
  .mobile-menu { display: none !important; }
}

/***** No grid, no columns, no absolute positioning of cards! *****/
footer {
  background-color: var(--black);
}
/***** Print minimalistic logo adjustments for monochrome look *****/
header img, .footer-contact img, .feature-grid > div img { filter: grayscale(1) brightness(0.8); }

/****** Responsive: adjust all flex layouts to column on mobile ******/
@media (max-width: 850px) {
  .footer-nav, .content-grid, .card-container, .feature-grid, .main-nav { flex-direction: column; gap: 18px; }
  .feature-grid > div { min-width: 180px; }
}
/****** Ensure testimonials & content do not overlap or crowd ******/
@media (max-width: 620px) {
  .testimonial-card, .card { padding: 16px 10px; }
}