/* =========================================================
   SWAHILI PROVERBS
   Editorial / Premium Styling
   ========================================================= */

:root {
  --bg: #101410;
  --bg-soft: #171c17;
  --surface: #1d241d;

  --text: #f1eee5;
  --cream: #eee9dc;
  --muted: #92988f;

  --green: #667565;
  --gold: #d5a84c;

  --border: rgba(241, 238, 229, 0.14);

  --max-width: 1400px;

  font-size: 16px;
}


/* =========================================================
   RESET
   ========================================================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  background: var(--bg);
  color: var(--text);

  font-family:
    "Inter",
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;

  line-height: 1.5;

  overflow-x: hidden;
}

button,
input {
  font: inherit;
}


/* =========================================================
   TOP BAR
   ========================================================= */

.top-bar {
  width: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 1.5rem 4vw;

  border-bottom: 1px solid var(--border);

  background: var(--bg);
}


/* Brand */

.brand {
  display: flex;
  flex-direction: column;

  color: var(--text);

  text-decoration: none;

  line-height: 0.9;

  cursor: pointer;
}

.brand-main {
  font-size: 0.95rem;

  font-weight: 700;

  letter-spacing: 0.18em;
}

.brand-sub {
  margin-top: 0.25rem;

  color: var(--gold);

  font-size: 0.55rem;

  letter-spacing: 0.25em;
}


/* Top label */

.top-label {
  color: var(--muted);

  font-size: 0.65rem;

  letter-spacing: 0.15em;

  text-transform: uppercase;
}


/* =========================================================
   NAVIGATION
   ========================================================= */

.site-nav {
  position: sticky;

  top: 0;

  z-index: 100;

  display: flex;

  align-items: center;

  gap: 2.5rem;

  padding: 0.8rem 4vw;

  background: rgba(16, 20, 16, 0.92);

  backdrop-filter: blur(15px);

  border-bottom: 1px solid var(--border);
}


.nav-btn {
  position: relative;

  display: flex;

  align-items: center;

  gap: 0.65rem;

  padding: 0.7rem 0;

  border: none;

  background: transparent;

  color: var(--muted);

  cursor: pointer;

  font-size: 0.75rem;

  letter-spacing: 0.08em;

  text-transform: uppercase;

  transition: color 0.3s ease;
}


.nav-btn span {
  color: var(--green);

  font-size: 0.6rem;
}


.nav-btn::after {
  content: "";

  position: absolute;

  left: 0;

  bottom: 0;

  width: 0;

  height: 1px;

  background: var(--gold);

  transition: width 0.3s ease;
}


.nav-btn:hover,
.nav-btn.active {
  color: var(--text);
}


.nav-btn.active::after {
  width: 100%;
}


/* =========================================================
   MAIN
   ========================================================= */

main {
  width: min(var(--max-width), 100%);

  margin: 0 auto;

  padding: 0 4vw;
}


/* =========================================================
   VIEW SYSTEM
   ========================================================= */

.view {
  min-height: 80vh;

  padding:
    7rem
    0
    10rem;

  animation: viewIn 0.55s ease both;
}


.view.hidden {
  display: none;
}


@keyframes viewIn {

  from {
    opacity: 0;

    transform:
      translateY(20px);
  }

  to {
    opacity: 1;

    transform:
      translateY(0);
  }

}


/* =========================================================
   HOME INTRO
   ========================================================= */

.home-intro {
  min-height: 70vh;

  display: flex;

  flex-direction: column;

  justify-content: center;

  position: relative;
}


.eyebrow {
  margin-bottom: 2rem;

  color: var(--gold);

  font-size: 0.7rem;

  letter-spacing: 0.2em;

  text-transform: uppercase;
}


.home-intro h1 {
  margin: 0;

  max-width: 900px;

  font-size:
    clamp(
      4rem,
      9vw,
      8rem
    );

  line-height: 0.86;

  letter-spacing: -0.06em;

  font-weight: 500;
}


.home-intro h1 em,
.page-intro h2 em {
  color: var(--gold);

  font-family:
    Georgia,
    "Times New Roman",
    serif;

  font-weight: 400;
}


.home-description {
  max-width: 460px;

  margin-top: 3rem;

  color: var(--muted);

  font-size: 1.05rem;

  line-height: 1.7;
}


.scroll-hint {
  margin-top: 5rem;

  display: flex;

  align-items: center;

  gap: 1rem;

  color: var(--muted);

  font-size: 0.65rem;

  letter-spacing: 0.15em;
}


.scroll-hint span {
  color: var(--gold);

  font-size: 1.2rem;
}


/* =========================================================
   SECTION HEADING
   ========================================================= */

.section-heading {
  display: grid;

  grid-template-columns: 100px 1fr;

  gap: 2rem;

  align-items: start;

  margin-bottom: 3rem;

  padding-top: 5rem;

  border-top: 1px solid var(--border);
}


.section-number {
  color: var(--gold);

  font-size: 0.7rem;

  letter-spacing: 0.15em;
}


.section-heading h2 {
  margin: 0;

  font-size:
    clamp(
      3rem,
      6vw,
      6rem
    );

  line-height: 0.9;

  letter-spacing: -0.06em;

  font-weight: 400;
}


/* =========================================================
   PROVERB CARD
   ========================================================= */

.proverb-card {
  position: relative;

  min-height: 450px;

  display: flex;

  flex-direction: column;

  justify-content: center;

  padding:
    clamp(
      2rem,
      6vw,
      6rem
    );

  background: var(--surface);

  border: 1px solid var(--border);

  overflow: hidden;

  transition:
    transform 0.5s ease,
    background 0.5s ease;
}


.proverb-card::before {
  content: "“";

  position: absolute;

  right: 2rem;

  top: -5rem;

  font-family: Georgia, serif;

  font-size: 20rem;

  line-height: 1;

  color: rgba(
    213,
    168,
    76,
    0.07
  );

  pointer-events: none;
}


.proverb-card:hover {
  background: #222a22;

  transform:
    translateY(-5px);
}


/* Proverb text */

.proverb-text {
  position: relative;

  z-index: 2;

  max-width: 1000px;

  margin: 0;

  font-family:
    Georgia,
    "Times New Roman",
    serif;

  font-size:
    clamp(
      2.5rem,
      6vw,
      6rem
    );

  line-height: 1;

  letter-spacing: -0.04em;

  color: var(--cream);
}


.proverb-text strong {
  font-weight: 400;
}


.proverb-meaning {
  position: relative;

  z-index: 2;

  max-width: 600px;

  margin:
    2.5rem
    0
    0;

  padding-top: 1.5rem;

  border-top: 1px solid var(--border);

  color: var(--muted);

  font-size: 1rem;

  line-height: 1.7;
}


/* =========================================================
   HOME BUTTONS
   ========================================================= */

.home-actions {
  display: flex;

  gap: 1rem;

  margin-top: 2rem;

  flex-wrap: wrap;
}


.home-actions button {
  display: flex;

  align-items: center;

  gap: 2rem;

  padding:
    1rem
    1.4rem;

  cursor: pointer;

  font-size: 0.7rem;

  letter-spacing: 0.08em;

  text-transform: uppercase;

  transition:
    transform 0.3s ease,
    background 0.3s ease;
}


.home-actions button:hover {
  transform:
    translateY(-3px);
}


.outline-btn {
  background: transparent;

  color: var(--text);

  border: 1px solid var(--border);
}


.solid-btn {
  background: var(--cream);

  color: var(--bg);

  border: 1px solid var(--cream);
}


.outline-btn span,
.solid-btn span {
  font-size: 1rem;
}


/* =========================================================
   INNER PAGE INTRO
   ========================================================= */

.page-intro {
  max-width: 900px;

  padding-bottom: 7rem;
}


.page-intro h2 {
  margin: 0;

  font-size:
    clamp(
      3.5rem,
      8vw,
      8rem
    );

  line-height: 0.85;

  letter-spacing: -0.065em;

  font-weight: 400;
}


.page-intro p {
  max-width: 500px;

  margin-top: 3rem;

  color: var(--muted);

  font-size: 1.05rem;

  line-height: 1.7;
}


/* =========================================================
   SEARCH
   ========================================================= */

.search-wrapper {
  position: relative;

  margin-bottom: 4rem;

  border-bottom: 1px solid var(--border);
}


.search-label {
  display: block;

  margin-bottom: 0.5rem;

  color: var(--gold);

  font-size: 0.65rem;

  letter-spacing: 0.15em;
}


#search-input {
  width: 100%;

  padding:
    1rem
    3rem
    1rem
    0;

  border: none;

  outline: none;

  background: transparent;

  color: var(--text);

  font-size: 1.4rem;
}

/* Category filter buttons (Issue #11) */

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 2rem;
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.filter-btn:hover {
  color: var(--text);
  border-color: var(--gold);
}

.filter-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--bg);
  font-weight: 600;
}

#search-input::placeholder {
  color: #555c55;
}


.search-icon {
  position: absolute;

  right: 0;

  bottom: 1rem;

  color: var(--gold);

  font-size: 1.5rem;
}


/* =========================================================
   PROVERB GRID
   ========================================================= */

.proverb-grid {
  display: grid;

  grid-template-columns:
    repeat(
      2,
      minmax(0, 1fr)
    );

  gap: 1px;

  background: var(--border);

  border: 1px solid var(--border);
}


.proverb-grid .proverb-card {
  min-height: 330px;

  padding: 2.5rem;

  background: var(--bg-soft);
}


.proverb-grid .proverb-text {
  font-size:
    clamp(
      1.8rem,
      3vw,
      3.2rem
    );
}


.proverb-grid .proverb-meaning {
  font-size: 0.85rem;
}


/* =========================================================
   QUIZ
   ========================================================= */

.quiz-container {
  max-width: 900px;

  margin: 0 auto;

  padding: 4rem;

  border: 1px solid var(--border);

  background: var(--surface);
}


.quiz-question {
  margin-bottom: 3rem;

  font-family: Georgia, serif;

  font-size:
    clamp(
      2rem,
      5vw,
      4.5rem
    );

  line-height: 1;

  color: var(--cream);
}


.quiz-options {
  display: grid;

  gap: 0.7rem;
}


.quiz-option {
  width: 100%;

  padding: 1.2rem;

  text-align: left;

  background: transparent;

  border: 1px solid var(--border);

  color: var(--text);

  cursor: pointer;

  transition:
    background 0.3s ease,
    border-color 0.3s ease;
}


.quiz-option:hover {
  background: var(--bg-soft);

  border-color: var(--gold);
}


.quiz-feedback {
  margin-top: 2rem;

  padding-top: 1.5rem;

  border-top: 1px solid var(--border);

  color: var(--gold);
}


/* =========================================================
   STATS
   ========================================================= */

.stats-grid {
  display: grid;

  grid-template-columns:
    repeat(
      auto-fit, minmax(160px, 1fr)
    );

  gap: 1px;

  background: var(--border);

  border: 1px solid var(--border);
}


.stat-card {
  min-height: 300px;

  padding: 2.5rem;

  display: flex;

  flex-direction: column;

  justify-content: space-between;

  background: var(--bg-soft);
}


.stat-label {
  color: var(--gold);

  font-size: 0.65rem;

  letter-spacing: 0.15em;
}


.stat-card strong {
  font-size:
    clamp(
      3rem,
      6vw,
      6rem
    );

  font-weight: 400;

  letter-spacing: -0.06em;
}


.stat-description {
  color: var(--muted);

  font-size: 0.8rem;
}


/* =========================================================
   LOADING
   ========================================================= */

.loading {
  color: var(--muted);

  font-size: 0.8rem;

  letter-spacing: 0.1em;

  text-transform: uppercase;
}


/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
  min-height: 65vh;

  display: flex;

  align-items: flex-end;

  justify-content: space-between;

  padding:
    4rem;

  border-top: 1px solid var(--border);

  background: #0c0f0c;
}


.footer-small {
  display: block;

  margin-bottom: 2rem;

  color: var(--gold);

  font-size: 0.65rem;

  letter-spacing: 0.18em;
}


.site-footer h2 {
  margin: 0;

  font-family:
    Georgia,
    "Times New Roman",
    serif;

  font-size:
    clamp(
      3.5rem,
      8vw,
      8rem
    );

  line-height: 0.85;

  font-weight: 400;

  letter-spacing: -0.05em;
}


.site-footer p {
  color: var(--muted);

  font-size: 0.7rem;

  letter-spacing: 0.1em;

  text-transform: uppercase;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 700px) {

  .top-bar {
    padding: 1.2rem 1.5rem;
  }


  .top-label {
    display: none;
  }


  .site-nav {
    gap: 1.5rem;

    padding:
      0.8rem
      1.5rem;

    overflow-x: auto;

    white-space: nowrap;
  }


  main {
    padding:
      0
      1.5rem;
  }


  .view {
    padding:
      5rem
      0
      7rem;
  }


  .home-intro {
    min-height: 70vh;
  }


  .home-intro h1 {
    font-size:
      clamp(
        3.5rem,
        18vw,
        6rem
      );
  }


  .section-heading {
    grid-template-columns: 1fr;

    gap: 1rem;
  }


  .section-heading h2 {
    font-size: 3.5rem;
  }


  .proverb-card {
    min-height: 350px;

    padding: 2rem;
  }


  .proverb-text {
    font-size:
      clamp(
        2.2rem,
        11vw,
        4rem
      );
  }


  .proverb-grid {
    grid-template-columns: 1fr;
  }


  .page-intro h2 {
    font-size:
      clamp(
        3.5rem,
        16vw,
        5.5rem
      );
  }


  .quiz-container {
    padding: 2rem;
  }


  .stats-grid {
    grid-template-columns: 1fr;
  }


  .stat-card {
    min-height: 220px;
  }


  .site-footer {
    min-height: 55vh;

    padding:
      3rem
      1.5rem;

    flex-direction: column;

    align-items: flex-start;

    justify-content: flex-end;

    gap: 3rem;

    .category-filters {
    gap: 0.4rem;
  }

  .filter-btn {
    padding: 0.4rem 0.85rem;
    font-size: 0.7rem;
  }

  .history-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }

  .history-heading {
    font-size: 1.1rem;
  }

  }

  /* Quiz history list (Issue #12) */

.history-section {
  margin-top: 3rem;
}

.history-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1rem;
  color: var(--cream);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.history-date {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.history-result {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}

.history-result.good {
  color: var(--gold);
}

}