/* =====================
   CSS RESET & NORMALIZE
   ===================== */
html {
  box-sizing: border-box;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}
*, *::before, *::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
  color: #222;
  background: #F8F9FB;
  min-height: 100vh;
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: .01em;
  position: relative;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: #23518C;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover,
a:focus {
  color: #2AC37E;
  outline: none;
  text-decoration: underline;
}
ul, ol {
  margin-left: 1.4em;
  margin-bottom: 1.4em;
}
ul ul, ol ol {
  margin-bottom: 0;
}
li {
  margin-bottom: .5em;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  outline: none;
}

/* Remove focus outline for mouse users only, keep for keyboard */
:focus:not(:focus-visible) {
  outline: none;
}

/* ================
   BRAND VARIABLES
   =============== */
:root {
  --color-primary: #23518C;
  --color-primary-dark: #183B62;
  --color-secondary: #F8F9FB;
  --color-card: #FFFFFF;
  --color-accent: #2AC37E;
  --color-accent-dark: #1B915E;
  --color-text: #171B22;
  --color-text-secondary: #466288;
  --color-border: #E3E7ED;
  --color-shadow: rgba(35,81,140,0.10);
  --color-shadow-hover: rgba(35,81,140,0.16);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-card: 0 4px 18px var(--color-shadow);
  --shadow-card-hover: 0 8px 32px var(--color-shadow-hover);
  --transition: .26s cubic-bezier(.4,.2,.2,1);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Roboto', Arial, sans-serif;
  --gap-section: 60px;
  --gap-content: 40px;
  --gap-card: 24px;
}

/* ========================
   TYPOGRAPHY & HEADINGS
   ======================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 24px;
}
h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}
h3 {
  font-size: 1.45rem;
  margin-bottom: 16px;
}
h4, h5, h6 {
  font-size: 1.2rem;
  margin-bottom: 14px;
}
blockquote {
  background: #e7f4ef;
  color: var(--color-text);
  border-left: 6px solid var(--color-accent);
  border-radius: var(--radius-md);
  margin: 24px 0 24px 0;
  padding: 20px 32px;
  font-style: italic;
  font-size: 1.1em;
}
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.45rem; }
  h3 { font-size: 1.1rem; }
}

/* ===============
   CONTAINER
   =============== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.4em;
}

/* ============================
   SECTIONS & SPACING PATTERN
   ============================ */
section {
  margin-bottom: 60px;
  padding: 40px 0 0 0;
}
@media (max-width: 600px) {
  section {
    padding: 32px 0 0 0;
    margin-bottom: 40px;
  }
  .container { padding: 0 8px; }
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.card {
  margin-bottom: 20px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  position: relative;
  padding: 32px 28px;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.card:hover, .card:focus-within {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px) scale(1.03);
}

.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;
    align-items: flex-start;
    gap: 20px;
  }
}

.testimonial-card {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(35,81,140,0.10);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  margin-bottom: 24px;
  border: 2px solid #e9f6f1;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}
.testimonial-card p {
  color: var(--color-text-secondary);
  font-size: 1.08rem;
  font-weight: 500;
}
.testimonial-card span {
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: bold;
  font-size: 1rem;
}

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

/* ================
   NAVIGATION
   ================ */
header {
  background: #fff;
  box-shadow: 0 8px 28px -14px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 40;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  justify-content: center;
  padding: 15px 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}
.main-nav a {
  color: var(--color-primary);
  padding: 10px 16px;
  border-radius: 8px;
  transition: background .18s, color .18s;
  position: relative;
  font-weight: 700;
  letter-spacing: .03em;
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--color-secondary);
  color: var(--color-accent);
  outline: none;
}
.main-nav .logo {
  margin-right: 24px;
  display: flex;
  align-items: center;
  padding: 0;
}
.main-nav .logo img {
  height: 36px;
  width: auto;
  display: block;
}

.cta-primary {
  background: var(--color-accent);
  color: #fff !important;
  padding: 11px 30px;
  border-radius: var(--radius-lg);
  font-size: 1.05rem;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: .02em;
  box-shadow: 0 5px 20px rgba(42,195,126, 0.12);
  border: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  margin-left: 10px;
  display: inline-block;
  text-align: center;
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-accent-dark);
  transform: scale(1.045);
  color: #fff !important;
}
.cta-secondary {
  background: var(--color-primary);
  color: #fff !important;
  padding: 9px 24px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  transition: background var(--transition), transform var(--transition);
  display: inline-block;
  text-align: center;
  margin-top: 15px;
  border: none;
}
.cta-secondary:hover, .cta-secondary:focus {
  background: var(--color-accent);
  color: #fff !important;
  transform: scale(1.04);
}

/* Hide main nav on mobile, show burger */
.mobile-menu-toggle {
  display: none;
  position: absolute;
  right: 20px;
  top: 18px;
  font-size: 2.1rem;
  background: none;
  color: var(--color-primary);
  border: none;
  z-index: 102;
  cursor: pointer;
  padding: 5px 8px;
  line-height: 1;
  transition: color .16s;
}
.mobile-menu-toggle:focus {
  color: var(--color-accent);
}

@media (max-width: 980px) {
  .main-nav {
    gap: 14px;
    font-size: .97rem;
  }
}
@media (max-width: 900px) {
  .main-nav {
    gap: 6px;
    font-size: .95rem;
  }
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

/* ===== MOBILE MENU OVERLAY ===== */
.mobile-menu {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: #fff;
  z-index: 200;
  transform: translateX(+100vw);
  transition: transform .34s cubic-bezier(.6,.1,.55,1);
  box-shadow: 0 6px 80px 14px rgba(35,81,140,0.12);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 0 0 0;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  background: none;
  color: var(--color-primary);
  border: none;
  font-size: 2rem;
  align-self: flex-end;
  margin: 22px 22px 8px 0;
  cursor: pointer;
  transition: color .16s;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-accent);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  gap: 6px;
  padding: 18px 32px;
  margin-top: 12px;
}
.mobile-nav a {
  font-size: 1.12rem;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 800;
  padding: 14px 0 10px 6px;
  border-radius: 7px;
  margin-bottom: 3px;
  width: 96%;
  transition: background .15s, color .15s;
}
.mobile-nav a:last-child {
  margin-bottom: 0;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-accent);
  color: #fff;
  outline: none;
}

/* ========================
   CARDS & COURSE LISTS
   ======================== */
.courses-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 32px 0 0 0;
}
.course-item {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 260px;
  max-width: 330px;
  flex: 1 1 300px;
  padding: 28px 20px 32px 20px;
  border: 1.5px solid var(--color-border);
  position: relative;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.course-item h3 {
  font-size: 1.13rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.course-item .course-price {
  font-size: 1.12rem;
  font-weight: 900;
  color: var(--color-accent-dark);
  margin-top: 5px;
}
.course-item:hover,
.course-item:focus-within {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
  transform: scale(1.025);
  z-index: 2;
}
@media (max-width: 900px) {
  .courses-list {
    gap: 15px;
  }
  .course-item {
    min-width: 210px;
    max-width: 100%;
    flex: 1 1 210px;
  }
}
@media (max-width: 768px) {
  .courses-list {
    flex-direction: column;
    gap: 20px;
  }
  .course-item {
    margin-right: 0;
    width: 100%;
    max-width: 100%;
  }
}

/* ==============
   FEATURE LISTS
   ============== */
.content-wrapper ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0 0 24px 0;
  padding: 0;
}
.content-wrapper ul li {
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: 1.09rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: transparent;
  border-radius: var(--radius-sm);
  padding: 7px 0 7px 4px;
}
.content-wrapper ul li img {
  height: 32px;
  width: 32px;
  display: block;
}

/* ===============
   FOOTER
   =============== */
footer {
  background: #fff;
  padding: 32px 0 32px 0;
  border-top: 2px solid #e5eaf2;
  margin-top: 40px;
}
.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}
.footer-content img {
  width: 40px;
  height: 40px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 12px 0;
  justify-content: center;
}
.footer-nav a {
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-display);
  transition: color .16s, text-decoration .16s;
  padding: 2px 10px;
  border-radius: 6px;
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-accent);
  text-decoration: underline;
  background: var(--color-secondary);
}
.footer-contact {
  font-size: .98rem;
  color: var(--color-text-secondary);
  margin-top: 6px;
}
.footer-contact p {
  margin-bottom: 2px;
}
@media (max-width: 600px) {
  .footer-nav {
    gap: 12px;
  }
  .footer-content img {
    width: 28px;
    height: 28px;
  }
}

/* ==========
   MISC UTILS
   ==========
*/
.neutral-placeholder {
  background: #F3F4F6;
  color: #989ca8;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  margin: 16px 0 12px 0;
}

strong {
  font-weight: 900;
  color: var(--color-primary);
}
[role="button"]:focus,
button:focus,
.cta-primary:focus,
.cta-secondary:focus {
  outline: 3px solid var(--color-accent-dark);
  outline-offset: 2px;
}

/* ================
   ANIMATIONS
   ================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(36px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
section, .testimonial-card, .course-item {
  animation: fadeInUp .85s cubic-bezier(.36,1.22,.16,1.08) both;
}

/* ================
   COOKIE CONSENT
   ================ */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFF;
  border-top: 2px solid var(--color-border);
  box-shadow: 0 -2px 14px 2px rgba(35,81,140,0.07);
  padding: 16px 12px 16px 12px;
  animation: fadeInUp .45s both;
}
.cookie-banner__text {
  color: var(--color-text-secondary);
  font-size: .97rem;
  margin-right: 26px;
  max-width: 400px;
}
.cookie-banner__buttons {
  display: flex;
  gap: 14px;
}
.cookie-btn {
  padding: 9px 22px;
  border-radius: var(--radius-md);
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .97rem;
  background: var(--color-accent);
  color: #fff;
  transition: background .18s, box-shadow .18s, color .18s;
  box-shadow: 0 2px 6px 0 rgba(42,195,126,0.10);
}
.cookie-btn:hover, .cookie-btn:focus {
  background: var(--color-accent-dark);
}
.cookie-btn.secondary {
  background: #fff;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
}
.cookie-btn.secondary:hover, .cookie-btn.secondary:focus {
  background: var(--color-secondary);
  color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}
.cookie-banner__settings {
  padding: 0;
  border: none;
  background: none;
  color: var(--color-primary);
  font-family: var(--font-display);
  text-decoration: underline;
  font-size: .98rem;
  margin-left: 8px;
  cursor: pointer;
}
.cookie-banner__settings:hover,
.cookie-banner__settings:focus {
  color: var(--color-accent);
}
@media (max-width:600px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
    padding: 17px 6px 19px 6px;
  }
  .cookie-banner__text {
    margin-right: 0;
    margin-bottom: 5px;
  }
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(35,81,140,0.21);
  z-index: 600;
  display: none;
  align-items: center;
  justify-content: center;
}
.cookie-modal-overlay.open {
  display: flex;
}
.cookie-modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 34px 4px rgba(35,81,140,0.19);
  max-width: 430px;
  width: 92vw;
  padding: 28px 26px 22px 26px;
  animation: fadeInUp .36s both;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.cookie-modal h2 {
  font-size: 1.22rem;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.cookie-modal label {
  font-size: 1rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}
.cookie-modal input[type=checkbox] {
  accent-color: var(--color-accent);
  width: 18px; height: 18px;
}
.cookie-modal .cookie-btn {
  margin-top: 10px;
}
.cookie-modal .cookie-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
  padding: 12px 14px 8px 14px;
}
.cookie-modal .cookie-modal-close {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 2rem;
  position: absolute;
  top: 16px; right: 20px;
  cursor: pointer;
}
.cookie-modal .cookie-modal-close:hover,
.cookie-modal .cookie-modal-close:focus {
  color: var(--color-accent-dark);
}

@media (max-width:500px) {
  .cookie-modal {
    padding: 18px 6vw 18px 6vw;
    max-width: 98vw;
  }
}

/* ================
   RESPONSIVE RULES
   ================ */
@media (max-width: 1100px) {
  .container {
    max-width: 98vw;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 100vw;
  }
}
@media (max-width: 700px) {
  .footer-content {
    gap: 10px;
  }
  .footer-nav { gap: 10px; }
}

@media (max-width: 500px) {
  h1 { font-size: 1.48rem; }
  h2 { font-size: 1.18rem; }
  .card, .testimonial-card {
    padding: 15px 8px;
  }
}

/* ================
   HIGHLIGHTS
   ================ */
::-webkit-selection { background: var(--color-accent); color: #fff; }
::selection { background: var(--color-accent); color: #fff; }

/* ================
   SCROLLBAR
   ================ */
body::-webkit-scrollbar {
  width: 10px;
  background: var(--color-secondary);
}
body::-webkit-scrollbar-thumb {
  background: #CBD9E7;
  border-radius: 8px;
}

/* ================
   ACCESSIBILITY
   ================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ================
   SHAPE DECOR
   ================ */
/* Decorative geometric shapes can be layered via ::before/::after on .card, .testimonial-card etc. as needed */
.card::before, .testimonial-card::before {
  content: '';
  display: block;
  position: absolute;
  z-index: 0;
  left: 22px;
  top: 22px;
  width: 38px; height: 38px;
  background: rgba(42,195,126,0.12);
  border-radius: 14px 60px;
  opacity: 0.28;
}
.card:hover::before, .testimonial-card:hover::before {
  opacity: 0.54;
}
/* Only for decorative use - does not overlap content as .card uses padding */

/* ===== MISC ===== */
::-webkit-input-placeholder { color: #a8b1c6; }
::-moz-placeholder { color: #a8b1c6; }
:-ms-input-placeholder { color: #a8b1c6; }
::placeholder { color: #a8b1c6; }