/* 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;
}
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  background: #fff;
  color: #171717;
  font-family: 'Roboto', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  background-color: #fafbfc;
}
img { max-width: 100%; display: block; height: auto; }
a { color: #0f1318; text-decoration: none; transition: color 0.2s; }
a:hover, a:focus { color: #12A391; outline: none; }
ul, ol { list-style: none; }
button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  outline: none;
  color: inherit;
}
button { cursor: pointer; }

/* TYPOGRAPHY SCALE & FONT */
h1, .h1 {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 2.5rem; /* ~40px */
  font-weight: 700;
  color: #101010;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
h2, .h2 {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 2rem; /* ~32px */
  font-weight: 700;
  color: #171717;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  line-height: 1.18;
}
h3, .h3 {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1.25rem; /* ~20px */
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}
h4, .h4 {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1.1rem; /* ~18px */
  font-weight: 600;
  color: #232323;
  margin-bottom: 8px;
}
p, li {
  font-size: 1rem;
  color: #232323;
  margin-bottom: 10px;
}
strong { font-weight: 700; }
section p:last-child, .feature-item p:last-child, .team-member p:last-child, .testimonial-card p:last-child {
  margin-bottom: 0;
}

/* MONOCHROME SOPHISTICATION: PALETTE, SHADOWS, SPACING, ELEGANCE */
:root {
  --color-primary: #13325F;
  --color-secondary: #12A391;
  --color-accent: #fff;
  --color-black: #0c111c;
  --color-dark: #232323;
  --color-medium: #666;
  --color-light: #f8f8fa;
  --color-border: #d2d5da;
  --color-shadow: rgba(17, 19, 33, 0.06);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-main: 0.3s cubic-bezier(.4,0,.2,1);
}

.container {
  width: 100%;
  max-width: 1140px;
  padding: 0 20px;
  margin: 0 auto;
}

.content-wrapper {
  width: 100%;
}

/* HEADER & NAVIGATION */
header {
  background: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1001;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
header nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
header nav a {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: #232323;
  padding: 8px 0px;
  position: relative;
  transition: color var(--transition-main);
}
header nav a:not(.cta-primary):hover,
header nav a:not(.cta-primary):focus {
  color: var(--color-secondary);
}

a.cta-primary, .cta-primary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-accent) !important;
  border-radius: var(--radius-md);
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 18px var(--color-shadow);
  padding: 12px 32px;
  margin-left: 6px;
  transition: background var(--transition-main), box-shadow var(--transition-main), transform var(--transition-main);
}
a.cta-primary:hover, .cta-primary:hover, a.cta-primary:focus, .cta-primary:focus {
  background: var(--color-secondary);
  color: #fff;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 4px 22px rgba(18, 163, 145, 0.13);
}

header img {
  max-height: 42px;
  margin: 0;
  padding: 0;
}

/* MOBILE NAVIGATION */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  margin-left: 12px;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  background: #e7ebee;
  color: var(--color-secondary);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  background: #fff;
  z-index: 2021;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  transform: translateX(-100%);
  transition: transform 0.40s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 8px 48px rgba(0,0,0,0.14);
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  align-self: flex-end;
  margin: 26px 24px 0 0;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 25px;
  transition: background 0.2s, color 0.3s;
}
.mobile-menu-close:focus, .mobile-menu-close:hover {
  background: #e7ebee;
  color: var(--color-secondary);
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  width: 100%;
  padding: 12px 32px;
}
.mobile-nav a {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1.15rem;
  padding: 12px 0;
  color: #232323;
  font-weight: 500;
  width: 100%;
  display: block;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.23s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: #e7ebee;
  color: var(--color-secondary);
}

@media (max-width: 1024px) {
  header nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

@media (min-width: 1025px) {
  .mobile-menu {
    display: none !important;
  }
}

/* SECTIONS, SPACING, AND CONTAINERS */
section,
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
}
.section:last-child,
section:last-child {
  margin-bottom: 0 !important;
}

.features, .features-teaching, .features-usp, .features-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-grid, .features-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 28px;
  justify-content: flex-start;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 18px var(--color-shadow);
  border: 1px solid #ececf0;
  padding: 28px 26px 20px 26px;
  min-width: 222px;
  flex: 1 1 240px;
  min-height: 220px;
  margin-bottom: 20px;
  transition: box-shadow 0.26s, transform 0.21s;
}
.feature-item:hover, .feature-item:focus-within {
  box-shadow: 0 4px 28px rgba(17, 19, 33, 0.11);
  transform: translateY(-4px) scale(1.012);
}
.feature-item img {
  width: 36px; height: 36px;
  margin-bottom: 6px;
  filter: grayscale(1);
  opacity: 0.84;
}
.feature-item h3 {
  margin: 0 0 10px 0;
  font-size: 1.08rem;
  color: #101010;
  font-weight: 600;
}

/* CARDS, GRIDS, CARD-CONTAINER */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 18px var(--color-shadow);
  border: 1px solid #e3e4e6;
  padding: 28px 26px 18px 26px;
  min-width: 220px;
  min-height: 140px;
  transition: box-shadow 0.23s, transform 0.17s;
}
.card:hover {
  box-shadow: 0 6px 28px rgba(18, 19, 33, 0.18);
  transform: translateY(-3px) scale(1.007);
}

.course-grid, .course-catalog-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}
.course-card {
  background: #10141a;
  color: #fff;
  flex: 1 1 260px;
  padding: 30px 22px 22px 22px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  box-shadow: 0 2px 14px rgba(19,50,95,0.09);
  border: 1px solid #181823;
  transition: box-shadow 0.19s, transform 0.14s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.course-card h3 {
  color: #fff;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 1.17rem;
}
.course-card a {
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 1.02rem;
  margin-top: 6px;
  transition: color 0.18s;
}
.course-card a:hover, .course-card a:focus {
  color: #fff;
  text-decoration: underline;
}

.category-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}
.category-card {
  background: #f6f8fa;
  border: 1px solid #e3e4e6;
  border-radius: var(--radius-md);
  padding: 16px 24px;
  min-width: 138px;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  color: var(--color-primary);
  transition: box-shadow 0.16s;
}
.category-card:hover {
  box-shadow: 0 2px 12px rgba(19,50,95,0.11);
  background: #fff;
}

/* CONTENT GRIDS AND FLEX PATTERNS */
.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;
}

.instructor-bios {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 28px;
  justify-content: flex-start;
}
.team-member {
  background: #fff;
  border: 1px solid #ececf0;
  border-radius: var(--radius-md);
  padding: 24px 20px 14px 20px;
  min-width: 210px;
  box-shadow: 0 2px 10px var(--color-shadow);
  margin-bottom: 20px;
  flex: 1 1 230px;
}
.team-member h3 {
  margin-bottom: 10px; color: #13325F;
}

/* TESTIMONIALS */
.testimonial-slider, .community-testimonials .content-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 30px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 32px 20px 26px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 3px 22px 0 rgba(19,50,95,0.09);
  border: 1px solid #ececf0;
  flex-basis: 320px;
  min-width: 230px;
  margin-bottom: 20px;
  position: relative;
  transition: box-shadow 0.19s;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 8px 32px 0 rgba(19,50,95,0.15);
  z-index: 1;
}
.testimonial-card p {
  color: #232323;
  font-size: 1.08rem;
  font-style: italic;
  margin-bottom: 0;
}
.testimonial-card span {
  color: #999BA4;
  font-size: 0.98rem;
}
.testimonial-card strong {
  color: #13325F;
}

.alumni-highlights {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f6f8fa;
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-size: 1rem;
  color: #232323;
}

/* FAQ */
.faq-list, .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-item {
  background: #fff;
  border: 1px solid #e7e7eb;
  border-radius: var(--radius-md);
  padding: 22px 26px 12px 26px;
  color: #232323;
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  transition: box-shadow 0.15s, transform 0.13s;
}
.faq-item h3 {
  color: #13325F;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 1.07rem;
}
.faq-item p {
  margin-bottom: 0;
}
.faq-item:hover, .faq-item:focus-within {
  box-shadow: 0 4px 20px rgba(19,50,95,0.13);
  transform: translateY(-2px) scale(1.014);
}

.search-faq p { color: #666; margin-top: 18px; font-size: 1rem; }

/* CALL TO ACTION BANNER */
.cta-banner {
  background: linear-gradient(90deg, #fafbfc 0%, #eef1f5 100%);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 22px rgba(17, 19, 33, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  text-align: center;
}
.cta-banner h2, .cta-banner p { color: #101010; }
.cta-banner .cta-primary {
  margin-top: 20px;
}

/* POLICY SECTIONS */
.policy {
  background: #fff;
  border: 1px solid #e7e7eb;
  border-radius: var(--radius-lg);
  box-shadow: 0 3px 22px 0 rgba(19,50,95,0.09);
  padding: 40px 28px;
  margin-bottom: 60px;
}
.policy h1, .policy h2 {
  margin-top: 0;
}

/* FOOTER */
footer {
  background: #10141a;
  color: #fff;
  padding-top: 52px;
  padding-bottom: 16px;
  border-top: 1px solid #22232c;
  margin-top: 80px;
  font-size: 1rem;
}
footer .container { padding: 0 20px; }
footer .content-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 42px;
  justify-content: flex-start;
  margin-bottom: 18px;
}
.footer-contact,
.footer-links, .footer-social {
  flex: 1 1 220px;
  min-width: 170px;
}
footer h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}
footer ul li, .footer-contact li, .footer-links li {
  color: #b1bad1;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 0.99rem;
}
footer ul li img {
  width: 20px; height: 20px; opacity: .75;
}
.footer-links ul {
  margin-top: 8px;
}
.footer-links a {
  color: #c7e3f9;
  transition: color 0.16s;
}
.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-secondary);
}
.footer-social {
  display: flex;
  flex-direction: column;
  gap: 11px;
  align-items: flex-start;
  justify-content: flex-start;
}
.footer-social a img {
  width: 32px; height: 32px;
  filter: grayscale(1) contrast(0.86);
  opacity: 0.85;
  transition: filter 0.18s, opacity 0.22s;
}
.footer-social a:hover img {
  filter: grayscale(0) contrast(1.1);
  opacity: 1;
}
.footer-copyright {
  text-align: left;
  color: #8490a6;
  font-size: 0.93rem;
  letter-spacing: 0.01em;
  margin-top: 14px;
}

/* GENERAL BUTTON STYLES */
button, .btn {
  border: none;
  outline: none;
  background: var(--color-primary);
  color: #fff;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  padding: 11px 28px;
  transition: background var(--transition-main), box-shadow var(--transition-main), transform 0.19s;
  box-shadow: 0 2px 14px var(--color-shadow);
}
button:hover, .btn:hover, button:focus, .btn:focus {
  background: var(--color-secondary);
  color: #fff;
  transform: translateY(-2px) scale(1.04);

}

/* COOKIE BANNER */
.cookie-consent-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  width: 100vw;
  background: #22232c;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 -4px 24px rgba(17, 19, 33, 0.18);
  padding: 22px 16px;
  z-index: 5015;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  animation: fadeInBanner 0.7s;
}
@keyframes fadeInBanner {
  from { opacity: 0; transform: translateY(36px); }
  to { opacity: 1; transform: translateY(0); }
}
.cookie-consent-banner .cookie-buttons {
  display: flex;
  gap: 14px;
}
.cookie-btn, .btn-cookie-accept, .btn-cookie-reject, .btn-cookie-settings {
  border: none;
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s, color 0.13s;
}
.btn-cookie-accept {
  background: var(--color-secondary);
  color: #fff;
}
.btn-cookie-accept:hover {
  background: #0f8172;
}
.btn-cookie-reject {
  background: #fff;
  color: #13325F;
  border: 1px solid #d2d5da;
}
.btn-cookie-reject:hover {
  background: #f3f3f8;
}
.btn-cookie-settings {
  background: #13325F;
  color: #fff;
}
.btn-cookie-settings:hover {
  background: #171717;
}

/* COOKIE CONSENT MODAL */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 12, 16, 0.42);
  z-index: 6000;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInModalOverlay 0.36s;
}
@keyframes fadeInModalOverlay {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: #fff;
  color: #232323;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 50px rgba(17,19,33,0.13);
  max-width: 390px;
  width: 90vw;
  padding: 38px 32px 28px 32px;
  position: relative;
  z-index: 6020;
  animation: slideUpModal 0.28s;
}
@keyframes slideUpModal {
  from { opacity: 0; transform: translateY(60px); }
  to { opacity: 1; transform: translateY(0); }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  color: #13325F;
  font-weight: 600;
  margin-bottom: 12px;
}
.cookie-modal label {
  display: flex; align-items: center; gap: 13px;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 500;
  margin-bottom: 14px;
  font-size: 1rem;
}
.cookie-modal input[type="checkbox"] {
  accent-color: var(--color-secondary);
  width: 1.2em; height: 1.2em; margin-right: 2px;
}
.cookie-modal .cookie-categories {
  margin-bottom: 16px;
  padding-left: 3px;
}
.cookie-modal .modal-actions {
  display: flex;
  gap: 13px;
  justify-content: flex-end;
  margin-top: 22px;
}
.cookie-modal .close-modal-btn {
  position: absolute;
  top: 12px; right: 13px;
  background: none;
  border: none;
  color: #999;
  font-size: 1.53rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 3px 7px;
  transition: background 0.2s, color 0.23s;
}
.cookie-modal .close-modal-btn:hover, .cookie-modal .close-modal-btn:focus {
  background: #e7ebee;
  color: #12A391;
}

/* CONFIRMATION SECTION */
.confirmation {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 3px 22px 0 rgba(19,50,95,0.07);
  text-align: center;
  padding: 44px 16px 54px 16px;
  margin: 60px auto;
  max-width: 520px;
}

/* UTILITY CLASSES */
.mt-20 { margin-top: 20px !important; }
.mt-32 { margin-top: 32px !important; }
.mb-24 { margin-bottom: 24px !important; }
.mb-40 { margin-bottom: 40px !important; }
.bg-primary { background: var(--color-primary) !important; color: #fff !important; }
.bg-white { background: #fff !important; }
.text-center { text-align: center !important; }

/* RESPONSIVE DESIGN (Mobile First) */
@media (max-width: 1024px) {
  .container { max-width: 96vw; }
  header nav { display: none; }
  .footer-contact, .footer-links, .footer-social {
    flex: 1 1 80vw;
  }
}
@media (max-width: 900px) {
  .course-grid, .course-catalog-grid, .feature-grid, .content-grid, .instructor-bios, .testimonial-slider {
    gap: 14px;
  }
}
@media (max-width: 768px) {
  .container { max-width: 100vw; padding: 0 12px; }
  header .container { flex-direction: row; gap: 7px; min-height: 54px; }
  .content-wrapper, .policy, .cta-banner, .confirmation {
    padding-left: 2vw;
    padding-right: 2vw;
  }
  section, .section { padding: 24px 4px; margin-bottom: 36px; }
  .feature-grid, .course-grid, .course-catalog-grid, .category-cards, .testimonial-slider, .instructor-bios, .content-grid {
    flex-direction: column;
    gap: 10px
  }
  .text-image-section { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-contact, .footer-links, .footer-social {
    min-width: 90vw; margin-bottom: 16px;
  }
  .footer-copyright {
    text-align: center;
    font-size: 0.97rem;
    padding-bottom: 1em;
  }
}
@media (max-width: 560px) {
  h1, .h1 { font-size: 1.59rem; }
  h2, .h2 { font-size: 1.23rem; }
  header img { max-height: 30px; }
  .feature-item, .card, .course-card {
    min-width: unset;
    padding: 12px 10px 10px 13px;
  }
  .policy {
    padding: 18px 4vw;
  }
  .confirmation {
    max-width: 98vw; padding: 24px 2vw;
  }
  .cta-banner { padding: 16px 6vw; min-height: 80px; }
}

/* ACCESSIBILITY & FOCUS */
a:focus, button:focus, .cta-primary:focus {
  outline: 2px dashed var(--color-secondary);
  outline-offset: 2px;
}

/* HIDE SCROLLBAR WHEN MOBILE MENU IS OPEN */
body.mobile-menu-open {
  overflow: hidden;
}

/* ANIMATIONS */
@media (prefers-reduced-motion: no-preference) {
  .cta-primary, .btn, .feature-item, .testimonial-card, .card,
  .faq-item, .category-card {
    transition: box-shadow 0.22s, background 0.23s, transform 0.14s;
  }
}

/* END */