/* ------------------------------------------------------
   NEMO • Flashcards Styles (standalone, matches homepage)
   Fonts & Root Variables
------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&family=Playfair+Display:wght@700;900&display=swap');

:root {
  --purple: #3B2E71;
  --bright-blue: #73C5E8;
  --soft-blue: #9CD7E7;
  --cream: #FDF8DC;
  --white: #FEFEFC;

  --max-width: 1100px;
}

/* Reset / Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Montserrat', sans-serif;
  background: var(--white);
  color: var(--purple);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* Utilities */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1rem; }
.section { padding: 4rem 1rem; }
.section--alt { background: var(--cream); }
.section-head { text-align: center; margin-bottom: 2.5rem; }
.section-head h2 { font-family: 'Playfair Display', serif; font-weight: 700; color: var(--purple); font-size: 2rem; margin-bottom: .5rem; }
.section-subtitle { font-size: 1.1rem; color: #444; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* Headings */
h1, h2, h3 { font-family: 'Playfair Display', serif; font-weight: 700; color: var(--purple); }

/* ------------------------------------------------------
   Navbar (IDENTICAL scale to homepage)
------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0; /* exact match to homepage.css */
}
.logo {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--purple);
}
.nav-links { list-style: none; display: flex; gap: 1.5rem; }
.nav-links a {
  position: relative; font-weight: 500; transition: color .3s ease;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--bright-blue); transition: width .3s ease;
}
.nav-links a:hover { color: var(--bright-blue); }
.nav-links a:hover::after { width: 100%; }

/* Mobile toggle */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
}
.nav-toggle-bar { width: 25px; height: 3px; background: var(--purple); border-radius: 2px; }

/* ------------------------------------------------------
   News Banner (same as homepage)
------------------------------------------------------ */
.news-banner {
  background: var(--bright-blue);
  color: var(--white);
  padding: .25rem .5rem;
  font-weight: 600;
  font-size: .9rem;
  text-align: center;
}
.banner-link { color: var(--cream); font-weight: 700; text-decoration: underline; }

/* ------------------------------------------------------
   Hero (same scale & spacing)
------------------------------------------------------ */
.hero {
  background: linear-gradient(135deg, var(--purple), var(--bright-blue));
  color: var(--white);
  padding: 5rem 1rem;
}
.hero-content {
  display: flex; align-items: center; justify-content: space-between;
  gap: 3rem; flex-wrap: wrap;
}
.hero-text { flex: 1 1 400px; }
.hero-text h1 {
  font-size: 2.8rem; line-height: 1.2; margin-bottom: 1rem; color: var(--white);
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
  -webkit-text-stroke: .5px rgba(0,0,0,.08);
  letter-spacing: .3px;
}
.slogan { font-size: 1.25rem; margin-bottom: 2rem; color: var(--cream); }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-art { flex: 1 1 250px; text-align: center; }
.mascot { width: 200px; animation: float 4s ease-in-out infinite; }
@keyframes float { 0%,100%{ transform: translateY(0) } 50%{ transform: translateY(-12px) } }

/* Buttons (site-wide) */
.btn {
  display: inline-block; padding: .8rem 1.6rem;
  border-radius: 2rem; font-weight: 600; transition: all .3s ease;
}
.btn-primary { background: var(--bright-blue); color: var(--white); box-shadow: 0 4px 10px rgba(0,0,0,.2); }
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 6px 16px rgba(0,0,0,.3); }
.btn-outline { border: 2px solid var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--purple); }
.btn-sm { padding: .5rem 1rem; font-size: .9rem; }

/* ------------------------------------------------------
   Search Bar (styled to match cards)
------------------------------------------------------ */
#search-bar .card {
  background: var(--white);
  padding: 1.25rem;
  border-radius: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
#deck-search {
  width: 100%;
  padding: .9rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--soft-blue);
  border-radius: 12px;
  outline: none;
  transition: box-shadow .2s ease, border-color .2s ease;
  background: var(--white);
  color: var(--purple);
}
#deck-search:focus {
  border-color: var(--bright-blue);
  box-shadow: 0 0 0 4px rgba(115,197,232,0.2);
}

/* ------------------------------------------------------
   Decks (use shared "card" look)
------------------------------------------------------ */
.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform .3s ease, box-shadow .3s ease;
}
.card h3 { margin-bottom: .5rem; }
.card .btn { margin-top: .5rem; }
.card:hover { transform: translateY(-6px); box-shadow: 0 8px 18px rgba(0,0,0,0.15); }

/* Map previous classes to new card look so your JS keeps working */
.deck-list { /* wrapper already gets card-container from HTML */
  /* No extra rules needed if you apply card-container class in HTML.
     If not, uncomment the two lines below:
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  */
  gap: 1.5rem;
}
.deck { /* each deck becomes a .card visually */
  background: var(--white);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex; flex-direction: column; justify-content: space-between;
}
.deck h3 { font-size: 1.2rem; color: var(--purple); margin-bottom: .75rem; }
.deck button {
  background: var(--bright-blue); color: var(--white);
  border: none; padding: .6rem 1.1rem; border-radius: 2rem; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  font-size: .95rem; font-weight: 600;
}
.deck button:hover {
  background: #59bde3;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0,0,0,.15);
}
.deck:hover { transform: translateY(-6px); box-shadow: 0 8px 18px rgba(0,0,0,0.15); }

/* ------------------------------------------------------
   Modal / Flashcard
------------------------------------------------------ */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; justify-content: center; align-items: center;
  z-index: 1000;
}
.modal.hidden { display: none; }

.modal-content {
  background: var(--white);
  border-radius: 1rem;
  padding: 1.5rem;
  width: 90%; max-width: 640px;
  text-align: center; position: relative;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.close-btn {
  position: absolute; top: 12px; right: 12px;
  font-size: 1.6rem; color: var(--purple);
  background: none; border: 0; cursor: pointer; line-height: 1;
}
.close-btn:hover { color: var(--bright-blue); }

.flashcard {
  border: 2px solid var(--bright-blue);
  border-radius: 12px;
  padding: 1rem;
  background: linear-gradient(145deg, #ffffff, #f8fbff);
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  cursor: pointer;
  position: relative;
  height: 220px;
  display: grid; place-items: center;
}
.flashcard .card-content {
  display: none;
  font-size: 1.1rem;
  color: var(--purple);
  line-height: 1.6;
  width: 100%;
}
.flashcard .front { display: block; }
.flashcard.flipped .front { display: none; }
.flashcard.flipped .back { display: block; }

/* Controls reuse site buttons */
.card-controls { display: flex; justify-content: center; gap: .75rem; margin-top: 1rem; }
.card-controls .btn-outline {
  border-color: var(--bright-blue);
  color: var(--bright-blue);
  background: rgba(115,197,232,0.08);
}
.card-controls .btn-outline:hover {
  background: var(--bright-blue);
  color: var(--white);
}

/* ------------------------------------------------------
   Footer (IDENTICAL to homepage)
------------------------------------------------------ */
.site-footer { background: var(--purple); color: var(--cream); padding: 2rem 1rem; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; align-items: center; }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 900; }
.footer-nav ul { list-style: none; display: flex; gap: 1rem; }
.footer-nav a { color: var(--cream); transition: color .3s ease; }
.footer-nav a:hover { color: var(--soft-blue); }
.footer-actions .btn { border: 2px solid var(--cream); color: var(--cream); }
.footer-actions .btn:hover { background: var(--cream); color: var(--purple); }

/* ------------------------------------------------------
   Responsive (same breakpoints/behavior)
------------------------------------------------------ */
@media (max-width: 900px) {
  .hero-content { flex-direction: column; text-align: center; }
  .hero-text h1 { font-size: 2.2rem; }
  .nav-links {
    display: none; flex-direction: column; background: var(--white); padding: 1rem;
    position: absolute; right: 1rem; top: 60px; box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
}
@media (max-width: 600px) {
  .hero-text h1 { font-size: 1.8rem; }
  .btn { padding: .6rem 1.2rem; }
}