/* ========================================================
   Bright Chamber Academy – Minimalist Responsive CSS
   Author: Senior CSS Developer & UI Designer
   Only Flexbox layouts. No Grid, No Columns.
   Brand: #234289 (Blue), #FDD446 (Yellow), #FFFFFF (White)
   Fonts: Montserrat (display), Open Sans (body)
   Style: Minimalist, modern, spacious
   ======================================================== */

/* =====================
   CSS 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: inherit; vertical-align: baseline; box-sizing: border-box;
}
html { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }
body { line-height: 1.6; }
ol, ul { list-style: none; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; border: 0; }
button, input, select, textarea { font-family: inherit; font-size: 100%; border: none; outline: none; background: none; }
button { cursor: pointer; background: none; }

/* ==============================
   FONT IMPORT (Google Fonts CDN)
   ============================== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700&family=Open+Sans:wght@400;600&display=swap');

/* =============
   ROOT VARIABLES
   ============= */
:root {
  --color-primary: #234289;
  --color-secondary: #FDD446;
  --color-accent: #FFFFFF;
  --color-grey100: #F8FAFC;
  --color-grey200: #F1F5F9;
  --color-grey300: #E5E7EB;
  --color-grey500: #B6BBC6;
  --color-text: #222B3A;
  --color-text-light: #FFFFFF;
  --color-shadow: rgba(35,66,137,0.06);
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
  --border-radius: 12px;
  --box-shadow: 0 4px 20px var(--color-shadow);
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* =============
   BODY & BASE
   ============= */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-accent);
  font-size: 16px;
  min-height: 100vh;
  letter-spacing: -0.01em;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-primary);
  margin-bottom: 20px;
}

h1 { font-size: 2.75rem; line-height: 1.1; margin-bottom: 32px; }
h2 { font-size: 2rem; line-height: 1.2; margin-bottom: 28px; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 18px; }
h4, h5, h6 { font-size: 1rem; margin-bottom: 12px; }
p { margin-bottom: 18px; color: var(--color-text); font-size: 1rem; max-width: 700px; }
strong, b { font-weight: 600; color: var(--color-primary); }

.subheadline {
  color: var(--color-text);
  font-size: 1.2rem;
  margin-bottom: 32px;
  opacity: 0.86;
}

.text-section p,
.text-section ul,
.text-section ol { max-width: 760px; }

/* =============
   CONTAINERS
   ============= */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: none;
}

.hero {
  background: var(--color-grey100);
  padding: 64px 0 52px 0;
  border-bottom: 1px solid var(--color-grey300);
}
.hero .content-wrapper {
  align-items: flex-start;
  justify-content: center;
  max-width: 680px;
  gap: 18px;
}

.cta {
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 0;
  padding: 56px 0;
}
.cta .content-wrapper > h2,
.cta .content-wrapper > p {
  color: var(--color-accent);
}

/* =============
   NAVIGATION
   ============= */
header {
  background: var(--color-accent);
  border-bottom: 1px solid var(--color-grey200);
  width: 100%;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.logo {
  display: flex;
  align-items: center;
  height: 56px;
  margin-right: 26px;
}
.logo img {
  height: 38px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 26px;
}

.main-nav a {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 6px 2px;
  color: var(--color-primary);
  position: relative;
  transition: color 0.22s;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-secondary);
}

.main-nav .cta-primary {
  margin-left: 30px;
  font-family: var(--font-display);
  font-weight: 600;
}

/* BURGER MENU BUTTON */
.mobile-menu-toggle {
  display: none;
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  font-size: 2rem;
  align-items: center;
  justify-content: center;
  border: none;
  transition: background 0.2s;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* MOBILE MENU OVERLAY */
.mobile-menu {
  position: fixed;
  z-index: 1200;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-accent);
  box-shadow: 0 6px 32px rgba(35,66,137,0.16);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.5,0,0.2,1);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 30px 24px;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  align-self: flex-end;
  font-size: 2rem;
  background: none;
  color: var(--color-primary);
  border: none;
  margin-bottom: 36px;
  width: 48px; height: 48px;
  border-radius: 50%;
  transition: background 0.2s;
}
.mobile-menu-close:hover,
.mobile-menu-close:focus { background: var(--color-grey200); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 18px;
}
.mobile-nav a {
  font-size: 1.125rem;
  color: var(--color-primary);
  padding: 12px;
  transition: color 0.2s, background 0.2s;
  border-radius: 8px;
}
.mobile-nav a:hover,
.mobile-nav a:focus {
  background: var(--color-grey100);
  color: var(--color-secondary);
}

/* Show/Hide mobile menu for responsiveness */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
}
@media (min-width: 1025px) {
  .mobile-menu { display: none !important; }
}

/* =============
   SECTION LAYOUTS & FLEX
   ============= */
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  border-radius: var(--border-radius);
  background: var(--color-accent);
  box-shadow: var(--box-shadow);
  transition: box-shadow 0.23s;
}
.card:hover { box-shadow: 0 8px 32px rgba(35,66,137,0.14); }

.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: 24px;
  }
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-grey100);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  min-width: 220px;
  max-width: 370px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.testimonial-card:hover {
  box-shadow: 0 6px 28px rgba(35,66,137,0.13);
  transform: translateY(-2px) scale(1.01);
}
.testimonial-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: stretch;
  margin-top: 18px;
  margin-bottom: 6px;
}
.testimonial-card p {
  color: var(--color-text);
  font-size: 1rem;
}
.testimonial-card span {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 600;
}
.testimonial-stars {
  display: flex;
  gap: 6px;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--color-accent);
  padding: 28px 18px 24px 18px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  min-width: 210px;
  max-width: 320px;
  transition: box-shadow 0.15s, transform 0.2s;
  margin-bottom: 20px;
}
.feature-item img {
  width: 36px;
  height: 36px;
}
.feature-item h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-item:hover {
  box-shadow: 0 8px 32px rgba(35,66,137,0.13);
  transform: translateY(-2px) scale(1.01);
}

.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 10px;
}

@media (max-width: 900px) {
  .feature-grid { flex-direction: column; gap: 20px; }
  .testimonial-cards { flex-direction: column; gap: 20px; }
}
@media (max-width: 768px) {
  .container { padding-left: 12px; padding-right: 12px; }
  .hero { padding: 42px 0 36px 0; }
  .cta { padding: 36px 0; }
  .feature-grid, .testimonial-cards, .content-grid, .card-container { flex-direction: column; gap: 18px; }
}

/***************************
 *       COURSE LISTS      *
 ***************************/
.course-list-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 28px 0 38px 0;
}
.course-item {
  display: flex;
  flex-direction: column;
  background: var(--color-grey100);
  border-radius: var(--border-radius);
  padding: 26px 22px 18px 22px;
  min-width: 220px;
  max-width: 320px;
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.course-item:hover {
  box-shadow: 0 8px 28px rgba(35,66,137,0.11);
  transform: translateY(-2px);
}
.course-item h3 { color: var(--color-primary); font-size: 1.17rem; margin-bottom: 12px; }

/***************************
 *        STEPS / TIMELINE *
 ***************************/
.steps-timeline {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 22px;
  margin-top: 8px;
  padding-left: 12px;
}
.steps-timeline li {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 0;
}

/******************************
 *        FEATURE LISTS       *
 ******************************/
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  padding-left: 16px;
}
.feature-list li {
  margin-bottom: 2px;
  line-height: 1.6;
  font-size: 1rem;
}

/***************************
 *      ACHIEVEMENTS       *
 ***************************/
.achievement-showcase {
  margin-top: 32px;
  margin-bottom: 16px;
}
.achievement-showcase h3 { margin-bottom: 12px; color: var(--color-primary); }
.achievement-showcase ul { display: flex; flex-direction: column; gap: 10px; padding-left: 18px; }
.achievement-showcase li { font-size: 0.97rem; color: var(--color-text); }

/***************************
 *    ACCORDION / FAQ      *
 ***************************/
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin: 26px 0 34px 0;
}
.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}
.faq-item p {
  font-size: 1rem;
  color: var(--color-text);
}

/***************************
 *    CONTACT DETAILS      *
 ***************************/
.contact-details {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-details img {
  width: 20px;
  height: 20px;
  display: inline-block;
  margin-right: 7px;
  vertical-align: middle;
}

/***************************
 *   BUTTONS & INTERACTIVE *
 ***************************/
.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.17rem;
  padding: 13px 38px;
  border-radius: 28px;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 8px rgba(35,66,137,0.07);
  transition: background 0.22s, color 0.22s, box-shadow 0.22s, transform 0.16s;
  min-width: 150px;
  margin-top: 12px;
  margin-bottom: 0;
  border: none;
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-primary);
  color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(35,66,137,0.13);
  transform: translateY(-1px) scale(1.025);
}

button, .btn {
  cursor: pointer;
  border-radius: 24px;
  padding: 10px 26px;
  font-size: 1rem;
  background: var(--color-grey200);
  color: var(--color-primary);
  transition: var(--transition);
}
button:hover, .btn:hover, button:focus, .btn:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* Special Buttons for Cookie & Modal */
.btn-accept {
  background: var(--color-primary);
  color: var(--color-accent);
}
.btn-accept:hover, .btn-accept:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}
.btn-reject {
  background: var(--color-grey200);
  color: var(--color-primary);
}
.btn-reject:hover, .btn-reject:focus {
  background: #edeff3;
  color: var(--color-primary);
}
.btn-settings {
  border: 1px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
}
.btn-settings:hover, .btn-settings:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}

/* =============
   FOOTER
   ============= */
footer {
  background: var(--color-grey100);
  border-top: 1px solid var(--color-grey300);
  margin-top: 80px;
  padding: 32px 0;
}
footer .container {
  display: flex;
  flex-direction: column;
  gap: 0;
}
footer .content-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 24px 40px;
  justify-content: space-between;
}
.footer-logo img {
  width: 52px;
  height: auto;
  margin-bottom: 10px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 160px;
}
.footer-nav a {
  font-size: 1rem;
  color: var(--color-primary);
  opacity: 0.84;
  transition: opacity 0.2s, color 0.2s;
}
.footer-nav a:hover, .footer-nav a:focus { opacity: 1; color: var(--color-secondary); }
.footer-contact p {
  font-size: 0.96rem;
  color: var(--color-text);
  line-height: 1.55;
}
.footer-contact img { width: 17px; height: 17px; vertical-align: middle; margin-right: 7px; }
.footer-contact span { display: block; margin-top: 8px; font-size: 0.91rem; color: var(--color-grey500); }
@media (max-width: 840px) {
  footer .content-wrapper { flex-direction: column; gap: 20px; }
}

/* =========================
    COOKIE CONSENT BANNER
   ========================= */
.cookie-banner {
  position: fixed;
  left: 0; bottom: 0;
  width: 100vw;
  background: var(--color-grey100);
  color: var(--color-text);
  border-top: 1px solid var(--color-grey300);
  box-shadow: 0 -2px 18px rgba(35,66,137,0.06);
  z-index: 1201;
  padding: 22px 16px 22px 20px;
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  animation: cookieBannerIn 0.4s cubic-bezier(0.42,0,0.38,1);
}
@keyframes cookieBannerIn {
  from { transform: translateY(80px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner__text {
  max-width: 480px;
  font-size: 1rem;
  margin-bottom: 0;
}
.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 680px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
    padding: 16px 8px 18px 8px;
  }
  .cookie-banner__text { max-width: 100%; }
}

/* ===============
   COOKIE MODAL
   =============== */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(35,66,137,0.14);
  z-index: 1202;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: cookieModalOverlay 0.32s;
}
@keyframes cookieModalOverlay {
  from { opacity: 0; } to { opacity: 1; }
}
.cookie-modal {
  background: var(--color-accent);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 44px rgba(35,66,137,0.17);
  padding: 36px 30px 30px 30px;
  max-width: 420px;
  width: 96vw;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
  animation: cookieModalShow 0.3s cubic-bezier(0.56,0,0.36,1);
}
@keyframes cookieModalShow {
  from { transform: scale(0.96) translateY(30px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}
.cookie-modal__close {
  position: absolute;
  top: 10px; right: 14px;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.75rem;
  cursor: pointer;
  border-radius: 50%;
}
.cookie-modal__close:hover,
.cookie-modal__close:focus {
  background: var(--color-grey200);
}
.cookie-modal__heading {
  font-family: var(--font-display);
  font-size: 1.28rem;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.cookie-modal__categories {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 10px;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 10px;
}
.cookie-category label {
  font-size: 1rem;
  color: var(--color-text);
}
.cookie-toggle {
  appearance: none;
  width: 38px;
  height: 22px;
  background: var(--color-grey200);
  border-radius: 18px;
  position: relative;
  outline: none;
  cursor: pointer;
  margin-right: 8px;
  transition: background 0.18s;
}
.cookie-toggle:checked {
  background: var(--color-secondary);
}
.cookie-toggle::after {
  content: '';
  position: absolute;
  left: 4px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  transition: left 0.15s, background 0.15s;
}
.cookie-toggle:checked::after {
  left: 20px;
  background: var(--color-primary);
}
.cookie-category--essential label {
  font-weight: 700;
  color: var(--color-primary);
}
.cookie-category--essential .cookie-toggle {
  opacity: 0.5;
  pointer-events: none;
}

.cookie-modal__actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

/***************************
*           MISC           *
****************************/
.ages-levels {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 18px 0 36px 0;
  padding-left: 18px;
  font-size: 1rem;
}
.ul, ol {
  padding-left: 22px;
}
.text-section ul,
.text-section ol {
  margin-bottom: 24px;
  gap: 10px;
}

/***************************
 *      MEDIA QUERIES      *
 ***************************/
@media (max-width: 680px) {
  h1 { font-size: 2rem; margin-bottom: 24px; }
  h2 { font-size: 1.4rem; margin-bottom: 18px; }
  .cta-primary { font-size: 1rem; padding: 10px 22px; }
  .section { padding: 26px 4px; }
}

/* Utility: Hide elements visually when needed */
.is-hidden { display: none !important; }

/***************************
* MICRO-INTERACTIONS      *
***************************/
.card,
.course-item,
.feature-item,
.testimonial-card {
  transition: box-shadow 0.18s, transform 0.19s;
}
.card:hover,
.course-item:hover,
.feature-item:hover,
.testimonial-card:hover {
  transform: translateY(-2px) scale(1.014);
  box-shadow: 0 8px 34px rgba(35,66,137,0.10);
}

a:focus,
button:focus,
.cta-primary:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/***************************
 *      HIGH CONTRAST      *
 * For testimonials, review cards
 ***************************/
.testimonial-card,
.testimonial-card p,
.testimonial-card span {
  color: var(--color-text);
}

/* Ensure review cards are never dark-on-dark */
.testimonial-card {
  background: var(--color-grey100);
  border: 1px solid var(--color-grey200);
}

/***************************
 *      TRANSITIONS        *
 ***************************/
* {
  transition-property: background, color, box-shadow, border-color, opacity, transform;
  transition-duration: 0.18s;
  transition-timing-function: cubic-bezier(0.4,0,0.2,1);
}