/* ============================================================
   Screen - Exam Intro
   ============================================================ */

.intro {
  background: var(--gio-color-bg);
  min-height: 100vh;
  padding: var(--gio-space-7) 0 var(--gio-space-9);
}

.intro__container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--gio-space-7);
}

@media (max-width: 768px) {
  .intro__container { padding: 0 var(--gio-space-4); }
}

.intro__crumb {
  font-size: var(--gio-text-xs);
  color: var(--gio-color-text-muted);
  margin-top: var(--gio-space-5);
  margin-bottom: var(--gio-space-5);
}

.intro__crumb a {
  color: var(--gio-color-text-muted);
  text-decoration: none;
}

.intro__crumb a:hover { color: var(--gio-color-action); }

.intro-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, .65fr);
  gap: var(--gio-space-6);
  align-items: stretch;
  margin-bottom: var(--gio-space-5);
}

@media (max-width: 920px) {
  .intro-hero { grid-template-columns: 1fr; }
}

.intro-hero__media {
  position: relative;
  aspect-ratio: 16 / 9;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
  background: var(--gio-color-bg-subtle);
  box-shadow: var(--gio-shadow-sm);
}

.intro-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0.08) 50%, rgba(0,0,0,0.40) 100%);
  pointer-events: none;
}

.intro-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.intro-hero__fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--gio-space-2);
  padding: var(--gio-space-6);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--gio-color-action) 18%, transparent), transparent),
    var(--gio-color-surface);
}

.intro-hero__fallback span {
  font-size: var(--gio-text-xs);
  font-weight: var(--gio-w-bold);
  letter-spacing: var(--gio-tracking-wide);
  text-transform: uppercase;
  color: var(--gio-color-action);
}

.intro-hero__fallback strong {
  max-width: 72%;
  font-family: var(--gio-font-display);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
  font-weight: var(--gio-w-extrabold);
  color: var(--gio-color-text-strong);
}

.intro-hero__overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--gio-space-6);
  background: linear-gradient(0deg,
    rgba(10,12,20,0.78) 0%,
    rgba(10,12,20,0.35) 55%,
    rgba(10,12,20,0) 100%);
}
.intro-hero__series {
  font-size: var(--gio-text-xs);
  font-weight: var(--gio-w-bold);
  letter-spacing: var(--gio-tracking-wide);
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}
.intro-hero__overlay-title {
  max-width: 80%;
  font-family: var(--gio-font-display);
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.12;
  font-weight: var(--gio-w-extrabold);
  color: #fff;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 4px rgba(0,0,0,0.45);
}
.intro-hero__media-badges {
  position: absolute;
  left: var(--gio-space-4);
  top: var(--gio-space-4);
  z-index: 2;
  display: flex;
  gap: var(--gio-space-2);
  flex-wrap: wrap;
}

.intro-card {
  background: var(--gio-color-surface);
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
  padding: var(--gio-space-5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--gio-space-4);
  box-shadow: var(--gio-shadow-sm);
}

.intro-card__badges {
  display: flex;
  gap: var(--gio-space-2);
  flex-wrap: wrap;
}

.intro-card__title {
  font-family: var(--gio-font-display);
  font-size: clamp(30px, 3.2vw, 42px);
  line-height: 1.1;
  font-weight: var(--gio-w-extrabold);
  letter-spacing: 0;
  color: var(--gio-color-text-strong);
  margin: 0;
  text-wrap: balance;
}

.intro-card__sub {
  font-size: var(--gio-text-base);
  color: var(--gio-color-text-muted);
  line-height: 1.55;
  margin: 0;
}

.intro-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gio-space-3);
  padding-top: var(--gio-space-4);
  border-top: 1px solid var(--gio-color-divider);
}

.intro-meta__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.intro-meta__label {
  font-size: 11px;
  letter-spacing: var(--gio-tracking-wide);
  text-transform: uppercase;
  font-weight: var(--gio-w-bold);
  color: var(--gio-color-text-muted);
}

.intro-meta__value {
  font-size: var(--gio-text-base);
  font-weight: var(--gio-w-semibold);
  color: var(--gio-color-text-strong);
}

.intro-mode {
  padding: var(--gio-space-4);
  background: var(--gio-color-bg-subtle);
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
}

.intro-mode__text {
  margin: var(--gio-space-2) 0 0;
  font-size: var(--gio-text-sm);
  color: var(--gio-color-text-muted);
  line-height: 1.45;
}

.access-gate {
  background: var(--gio-color-surface);
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
  padding: var(--gio-space-4);
  display: grid;
  grid-template-columns: minmax(240px, .9fr) minmax(280px, 1fr) auto;
  align-items: center;
  gap: var(--gio-space-3);
  margin-bottom: var(--gio-space-7);
  box-shadow: var(--gio-shadow-sm);
}

.access-gate--unlocked {
  border-color: color-mix(in srgb, var(--gio-color-success) 45%, var(--gio-color-border));
}

.access-gate--locked {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--gio-color-accent) 6%, transparent), transparent),
    var(--gio-color-surface);
}

.access-gate__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  line-height: 1;
  font-weight: var(--gio-w-bold);
  letter-spacing: var(--gio-tracking-wide);
  text-transform: uppercase;
  margin-bottom: var(--gio-space-2);
  color: var(--gio-color-accent-strong);
}

.access-gate--unlocked .access-gate__status { color: var(--gio-color-success); }

.access-gate__status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.access-gate__title {
  font-size: 22px;
  line-height: 1.2;
  font-weight: var(--gio-w-extrabold);
  color: var(--gio-color-text-strong);
  margin: 0 0 var(--gio-space-1);
}

.access-gate__sub,
.access-gate__reason {
  font-size: var(--gio-text-sm);
  color: var(--gio-color-text-muted);
  line-height: 1.45;
  margin: 0;
}

.access-gate__plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gio-space-2);
}

.access-gate__plan-row {
  min-width: 0;
  padding: 10px 12px;
  background: var(--gio-color-surface);
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gio-space-3);
  color: inherit;
  text-decoration: none;
  font-size: var(--gio-text-sm);
}

.access-gate__plan-row:hover {
  border-color: var(--gio-color-border-strong);
  box-shadow: var(--gio-shadow-sm);
  text-decoration: none;
}

.access-gate__plan-name {
  font-weight: var(--gio-w-semibold);
  color: var(--gio-color-text-strong);
}

.access-gate__plan-sub {
  margin-top: 2px;
  font-size: var(--gio-text-xs);
  color: var(--gio-color-text-muted);
}

.access-gate__plan-price,
.access-gate__active {
  flex: none;
  color: var(--gio-color-action);
  font-weight: var(--gio-w-bold);
}

.access-gate__active {
  color: var(--gio-color-success);
  font-size: var(--gio-text-xs);
}

.access-gate__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--gio-space-3);
  flex-wrap: wrap;
}

.access-gate__result-link {
  color: var(--gio-color-action);
  font-size: var(--gio-text-sm);
  font-weight: var(--gio-w-semibold);
  text-decoration: none;
}

.access-gate__result-link:hover { text-decoration: underline; }

.intro__content {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  gap: var(--gio-space-5);
  align-items: start;
}

.intro-rules {
  background: var(--gio-color-surface);
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
  padding: var(--gio-space-5);
}

.intro-rules--structure {
  grid-row: span 2;
}

.intro-rules__title {
  font-size: var(--gio-text-xs);
  font-weight: var(--gio-w-bold);
  letter-spacing: var(--gio-tracking-wide);
  text-transform: uppercase;
  color: var(--gio-color-text-muted);
  margin: 0 0 var(--gio-space-4);
}

.intro-rules__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--gio-space-3);
}

.intro-rules__list li {
  font-size: var(--gio-text-sm);
  color: var(--gio-color-text);
  display: flex;
  align-items: flex-start;
  gap: var(--gio-space-2);
  line-height: 1.5;
}

.intro-rules__list li::before {
  content: "";
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--gio-color-action);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M4 8l3 3 5-6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M4 8l3 3 5-6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
}

.intro-section-list {
  display: flex;
  flex-direction: column;
}

.intro-section-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: var(--gio-space-3);
  align-items: center;
  padding: var(--gio-space-3) 0;
  border-top: 1px solid var(--gio-color-divider);
}

.intro-section-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.intro-section-row:last-child { padding-bottom: 0; }

.intro-section-row__icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gio-color-action-soft);
  color: var(--gio-color-action);
  display: grid;
  place-items: center;
  font-size: var(--gio-text-sm);
  font-weight: var(--gio-w-bold);
}

.intro-section-row__main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.intro-section-row__main strong {
  color: var(--gio-color-text-strong);
  font-size: var(--gio-text-sm);
}

.intro-section-row__main span,
.intro-section-row__time {
  color: var(--gio-color-text-muted);
  font-size: var(--gio-text-xs);
}

.intro-section-row__time {
  flex: none;
  padding: 5px 10px;
  border: 1px solid var(--gio-color-border);
  border-radius: var(--gio-radius-pill);
  background: var(--gio-color-bg-subtle);
  font-weight: var(--gio-w-semibold);
}

.intro-attempt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gio-space-3);
  padding: var(--gio-space-3);
  background: var(--gio-color-bg-subtle);
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
}

.intro-attempt > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.intro-attempt strong {
  font-size: var(--gio-text-sm);
  color: var(--gio-color-text-strong);
}

.intro-attempt span {
  font-size: var(--gio-text-xs);
  color: var(--gio-color-text-muted);
}

.mode-picker {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) minmax(220px, 1fr) auto;
  align-items: end;
  gap: var(--gio-space-3);
  padding: var(--gio-space-4);
  background: var(--gio-color-action-soft);
  border: 1px solid color-mix(in srgb, var(--gio-color-action) 25%, transparent);
  border-radius: 8px;
}

.mode-picker__head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--gio-text-xs);
  font-weight: var(--gio-w-bold);
  letter-spacing: var(--gio-tracking-wide);
  text-transform: uppercase;
  color: var(--gio-color-action);
  align-self: center;
}

.mode-picker__field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mode-picker__label {
  font-size: var(--gio-text-xs);
  font-weight: var(--gio-w-semibold);
  color: var(--gio-color-text-strong);
}

.mode-picker__select {
  min-height: 38px;
  padding: 8px var(--gio-space-3);
  background: var(--gio-color-surface);
  border: 1px solid var(--gio-color-border);
  border-radius: 8px;
  font-size: var(--gio-text-sm);
  color: var(--gio-color-text);
  font-family: inherit;
  width: 100%;
}

.mode-picker__select:focus {
  outline: none;
  border-color: var(--gio-color-action);
  box-shadow: var(--gio-focus-ring);
}

.mode-picker__range {
  display: flex;
  align-items: center;
  gap: var(--gio-space-2);
}

.mode-picker__range .mode-picker__select {
  flex: 1;
  min-width: 0;
}

.mode-picker__range-sep {
  color: var(--gio-color-text-muted);
  font-weight: var(--gio-w-semibold);
}

@media (max-width: 1080px) {
  .access-gate,
  .mode-picker {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .access-gate__actions { justify-content: flex-start; }
}

@media (max-width: 920px) {
  .intro__content {
    grid-template-columns: 1fr;
  }

  .intro-rules--structure {
    grid-row: auto;
  }
}

@media (max-width: 560px) {
  .intro {
    padding-top: var(--gio-space-5);
  }

  .intro-card,
  .intro-rules,
  .access-gate {
    padding: var(--gio-space-4);
  }

  .intro-meta,
  .access-gate__plans {
    grid-template-columns: 1fr;
  }

  .intro-hero__media-badges {
    left: var(--gio-space-3);
    bottom: var(--gio-space-3);
  }

  .intro-section-row {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .intro-section-row__icon {
    width: 30px;
    height: 30px;
  }

  .intro-section-row__time {
    grid-column: 2;
    justify-self: start;
  }
}