/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: Inter, Poppins, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f6f4e7;
  background:
    linear-gradient(180deg, rgba(5, 10, 6, 0.72), rgba(5, 10, 6, 0.84)),
    url("assets/background.png") center center / cover fixed no-repeat;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

:root {
  --bg: rgba(10, 18, 12, 0.92);
  --bg-soft: rgba(16, 26, 19, 0.92);
  --line: rgba(140, 255, 70, 0.18);
  --accent: #c8ff63;
  --accent-strong: #90ff00;
  --text: #f6f4e7;
  --text-dark: #14301c;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
}

/* ===== Layout ===== */
.page-shell {
  min-height: 100vh;
  width: 100%;
  padding: clamp(0.75rem, 2vw, 1.5rem);
}

.home {
  width: min(1520px, 100%);
  min-height: calc(100vh - 2rem);
  margin: 0 auto;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.hero__image {
  width: min(100%, 1520px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 45px rgba(0, 0, 0, 0.46));
  user-select: none;
  -webkit-user-drag: none;
}

.menu-area {
  padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
}

.menu-grid {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.65rem, 1.4vw, 1.1rem);
  align-items: end;
}

.menu-card {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  display: block;
  width: 100%;
  transition: transform 180ms ease, filter 180ms ease;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.35));
}

.menu-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 322 / 361;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}

.menu-card:hover,
.menu-card:focus-visible {
  transform: translateY(-6px) scale(1.02);
  filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.48));
}

.menu-card:focus-visible {
  outline: 3px solid rgba(200, 255, 99, 0.85);
  outline-offset: 4px;
  border-radius: 18px;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: clamp(0.5rem, 2vw, 1rem);
  background: rgba(2, 6, 4, 0.7);
  backdrop-filter: blur(8px);
}

.modal-overlay[hidden] {
  display: none;
}

.modal-panel {
  position: relative;
  width: min(1100px, calc(100vw - 1rem));
  max-height: min(92vh, 980px);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(8, 14, 10, 0.97), rgba(10, 18, 12, 0.96)),
    var(--bg);
  border: 1px solid rgba(200, 255, 99, 0.22);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 64px;
  height: 64px;
  padding: 0;
  border: 0;
  background: transparent;
  display: grid;
  place-items: center;
  border-radius: 999px;
  transition: transform 150ms ease, filter 150ms ease;
}

.modal-close img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-close:hover,
.modal-close:focus-visible {
  transform: scale(1.06);
  filter: brightness(1.08);
  outline: none;
}

.modal-body {
  max-height: min(92vh, 980px);
  overflow: auto;
  padding: clamp(1rem, 2vw, 1.5rem);
  padding-top: clamp(5rem, 8vw, 5.5rem);
}

.modal-body::-webkit-scrollbar {
  width: 10px;
}

.modal-body::-webkit-scrollbar-thumb {
  background: rgba(200, 255, 99, 0.26);
  border-radius: 999px;
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.section-subtitle {
  margin: 0 0 1rem;
  color: rgba(246, 244, 231, 0.86);
  font-size: 1rem;
  line-height: 1.6;
}

.content-grid {
  display: grid;
  gap: 1rem;
}

.video-frame,
.white-card,
.quiz-card,
.summary-card {
  border-radius: 22px;
  border: 1px solid rgba(200, 255, 99, 0.16);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.28);
}

.video-frame {
  overflow: hidden;
  background: #020403;
  aspect-ratio: 16 / 9;
}

.video-frame iframe,
.video-frame video {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: #020403;
}

.placeholder-box {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.5rem;
  color: #dff0c4;
  background:
    radial-gradient(circle at top, rgba(200, 255, 99, 0.14), transparent 45%),
    linear-gradient(180deg, rgba(11, 18, 12, 0.95), rgba(4, 8, 6, 0.98));
}

.placeholder-box strong {
  display: block;
  margin-bottom: 0.35rem;
  color: #fff;
}

.white-card {
  background: #f8f7f1;
  color: var(--text-dark);
  padding: clamp(1rem, 2vw, 1.35rem);
}

.white-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
}

.white-card p,
.white-card li {
  line-height: 1.7;
}

.white-card ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

.info-columns {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quiz-card,
.summary-card {
  background:
    radial-gradient(circle at top right, rgba(200, 255, 99, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(16, 24, 18, 0.98), rgba(9, 16, 11, 0.96));
  padding: clamp(1rem, 2vw, 1.35rem);
}

.quiz-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(200, 255, 99, 0.12);
  border: 1px solid rgba(200, 255, 99, 0.2);
  color: #ecffd1;
  font-size: 0.92rem;
}

.quiz-question {
  margin: 0 0 1rem;
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.45;
}

.quiz-options {
  display: grid;
  gap: 0.75rem;
}

.quiz-option {
  width: 100%;
  border: 1px solid rgba(200, 255, 99, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: #f6f4e7;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  text-align: left;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.quiz-option:hover,
.quiz-option:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(200, 255, 99, 0.4);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.quiz-option.is-correct {
  border-color: rgba(112, 255, 156, 0.65);
  background: rgba(112, 255, 156, 0.14);
}

.quiz-option.is-wrong {
  border-color: rgba(255, 112, 112, 0.65);
  background: rgba(255, 112, 112, 0.14);
}

.quiz-option:disabled {
  cursor: not-allowed;
  opacity: 0.95;
}

.quiz-feedback {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(200, 255, 99, 0.14);
  line-height: 1.6;
}

.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.action-button {
  border: 0;
  border-radius: 14px;
  padding: 0.9rem 1.1rem;
  font-weight: 700;
  color: #0f1f12;
  background: linear-gradient(180deg, #e0ff8e, #9aff2d);
  box-shadow: 0 12px 26px rgba(154, 255, 45, 0.18);
}

.action-button.secondary {
  color: #f6f4e7;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(200, 255, 99, 0.2);
  box-shadow: none;
}

.summary-card {
  text-align: center;
}

.summary-score {
  margin: 0.25rem 0 0.8rem;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--accent);
}

.summary-note {
  margin: 0;
  color: rgba(246, 244, 231, 0.84);
  line-height: 1.65;
}

@media (max-width: 980px) {
  .menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(680px, 100%);
  }

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

  .modal-panel {
    width: min(100vw - 0.75rem, 900px);
    max-height: calc(100vh - 0.75rem);
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 0.5rem;
  }

  .home {
    min-height: calc(100vh - 1rem);
    gap: 0.75rem;
  }

  .menu-grid {
    width: min(100%, 520px);
    gap: 0.6rem;
  }

  .modal-close {
    width: 54px;
    height: 54px;
    top: 10px;
    right: 10px;
  }

  .modal-body {
    padding: 0.9rem;
    padding-top: 4.6rem;
  }

  .white-card,
  .quiz-card,
  .summary-card {
    border-radius: 18px;
  }
}