/* =========================================================
   IvyBridge Education · page-gaokao.css
   Gaokao page-specific styles
   ========================================================= */

/* ---- Dark header ---- */
.gk-hero {
  position: relative;
  overflow: hidden;
  background: var(--ivy-deep);
  color: var(--paper);
  border-bottom: 1px solid var(--ivy-soft);
}
.gk-hero-hatching {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(168,124,52,0.06) 0 14px,
    transparent 14px 30px
  );
  opacity: 0.6;
  pointer-events: none;
}
.gk-hero-inner {
  padding-top: 80px;
  padding-bottom: 64px;
  position: relative;
}
.gk-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: end;
}
.gk-hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold-soft);
  text-transform: uppercase;
}
.gk-hero-h1 {
  margin-top: 18px;
  font-size: clamp(48px, 6vw, 88px);
  color: var(--paper);
  line-height: 1.08;
}
.gk-hero-h1 em {
  font-style: italic;
  color: var(--gold-soft);
}
.gk-hero-lede {
  margin-top: 22px;
  color: rgba(255,255,255,0.78);
  max-width: 560px;
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.6;
}
.gk-hero-cta-row {
  display: flex;
  gap: 14px;
  margin-top: 36px;
}
.gk-hero-panel {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--gold-soft);
  padding: 28px;
  border-radius: 4px;
}
.gk-hero-panel-crest {
  width: 56px;
  height: 56px;
  position: relative;
  margin-bottom: 14px;
}
.gk-hero-panel-crest::before,
.gk-hero-panel-crest::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  border: 1px solid var(--gold-soft);
  border-radius: 50%;
}
.gk-hero-panel-crest::before {
  width: 56px; height: 56px;
  border-style: dashed;
}
.gk-hero-panel-crest::after {
  width: 36px; height: 36px;
}
.gk-hero-panel-crest-dot {
  width: 14px; height: 14px;
  background: var(--gold-soft);
  border-radius: 50%;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
}
.gk-hero-panel-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
}
.gk-hero-panel-quote {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 17px;
  color: var(--paper);
  margin-top: 12px;
  line-height: 1.55;
}

/* ---- Section head ---- */
.sec-head { margin-bottom: 48px; }
.sec-head-num {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--gold);
  text-transform: uppercase;
}
.sec-head-eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
  margin-top: 6px;
}
.sec-head h2 {
  margin-top: 10px;
  font-size: clamp(30px, 3vw, 44px);
}
.sec-head .sec-lede {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--ink-2);
  max-width: 680px;
  line-height: 1.6;
}

/* ---- Modes grid ---- */
.gk-modes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gk-mode-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
}
.gk-mode-code {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 56px;
  color: var(--ivy);
  line-height: 1;
  margin-top: 8px;
}
.gk-mode-desc {
  font-family: var(--serif-display);
  font-size: 17px;
  color: var(--ink-2);
  margin-top: 14px;
}
.gk-mode-tags {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ---- Subject combo 3×3 ---- */
.gk-combos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gk-combo-card {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px;
  position: relative;
}
.gk-combo-card--ivy  { background: var(--paper-2); }
.gk-combo-card--gold { background: var(--cream, #f5e9c2); }
.gk-combo-card--burgundy { background: rgba(107,31,42,0.06); }

.gk-combo-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.gk-combo-subjects {
  display: flex;
  gap: 8px;
}
.gk-combo-sub-chip {
  width: 44px;
  height: 44px;
  background: var(--ivy);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--serif-display);
  font-size: 20px;
  font-style: italic;
  border-radius: 4px;
}
.gk-combo-level {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--ivy);
}
.gk-combo-level--gold    { color: var(--gold); }
.gk-combo-level--burgundy { color: #6b1f2a; }

.gk-combo-cover {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.gk-combo-cover-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  opacity: 0.6;
  margin-bottom: 4px;
  text-transform: uppercase;
}
.gk-combo-cover-num {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 40px;
  color: var(--ivy);
  line-height: 1;
}
.gk-combo-cover-num span {
  font-size: 18px;
  color: var(--gold);
}
.gk-combo-bar-track {
  height: 4px;
  background: rgba(0,0,0,0.06);
  margin-top: 10px;
  position: relative;
  border-radius: 2px;
}
.gk-combo-bar-fill {
  position: absolute;
  inset: 0;
  background: var(--ivy);
  border-radius: 2px;
}

.gk-combo-fit {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.gk-combo-fit-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  opacity: 0.6;
  text-transform: uppercase;
}
.gk-combo-fit-text {
  font-family: var(--serif-display);
  font-size: 17px;
  margin-top: 6px;
}

.gk-combo-cta {
  margin-top: 32px;
  padding: 24px;
  background: #fff;
  border: 1px dashed var(--gold);
  border-radius: 4px;
  text-align: center;
}
.gk-combo-cta-text {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 19px;
  color: var(--ink-2);
}
.gk-combo-cta-row {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ---- Timeline (horizontal 6-step) ---- */
.gk-timeline-wrap {
  position: relative;
  padding-top: 24px;
}
.gk-timeline-line {
  position: absolute;
  top: 36px;
  left: calc(100% / 12);
  right: calc(100% / 12);
  height: 2px;
  background: var(--gold);
  z-index: 0;
}
.gk-timeline-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}
.gk-timeline-step {
  position: relative;
}
.gk-timeline-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 3px solid var(--paper);
  margin: 0 auto 14px;
  position: relative;
  z-index: 1;
}
.gk-timeline-dot--gold { background: var(--gold); }
.gk-timeline-dot--ivy  { background: var(--ivy); }

.gk-timeline-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 18px;
  min-height: 220px;
}
.gk-timeline-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.gk-timeline-grade {
  font-family: var(--serif-display);
  font-size: 22px;
  margin-top: 6px;
}
.gk-timeline-section {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.gk-timeline-section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  opacity: 0.55;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.gk-timeline-list {
  padding-left: 14px;
  margin: 0;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.65;
}
.gk-timeline-list li + li { margin-top: 2px; }
.gk-timeline-list--serif li {
  font-family: var(--serif-display);
  font-style: italic;
}

/* ---- Special tracks (dark ivy bg) ---- */
.gk-tracks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.gk-track-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--gold-soft);
  padding: 28px;
  border-radius: 4px;
}
.gk-track-en {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
  text-transform: uppercase;
}
.gk-track-name {
  font-family: var(--serif-display);
  font-size: 26px;
  color: var(--paper);
  margin-top: 12px;
}
.gk-track-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.78);
  line-height: 1.6;
  margin-top: 14px;
}
.gk-track-for {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(168,124,52,0.3);
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 14px;
  color: var(--cream, #f5e9c2);
  line-height: 1.5;
}
.gk-track-stats {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.gk-track-stat-key {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}
.gk-track-stat-val {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 20px;
  color: var(--gold-soft);
  margin-top: 4px;
}

/* ---- Advisor team ---- */
.gk-advisors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.gk-advisor-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
}
.gk-advisor-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--ivy);
  display: grid;
  place-items: center;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 22px;
  color: var(--paper);
}
.gk-advisor-name {
  font-family: var(--serif-display);
  font-size: 26px;
  margin-top: 18px;
}
.gk-advisor-title {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-top: 6px;
  text-transform: uppercase;
}
.gk-advisor-origin {
  font-size: 14px;
  color: var(--ink-2);
  margin-top: 12px;
  font-family: var(--serif-display);
  font-style: italic;
}
.gk-advisor-meta {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  font-size: 13px;
}
.gk-advisor-focus {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--ink-2);
}

/* ---- CTA banner ---- */
.gk-cta-banner {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 56px 0;
  text-align: center;
}
.gk-cta-banner h3 {
  font-size: clamp(26px, 2.5vw, 38px);
}
.gk-cta-banner-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 24px;
}

/* ---- Responsive ---- */
@media (max-width: 880px) {
  .gk-hero-grid        { grid-template-columns: 1fr; gap: 32px; }
  .gk-hero-panel       { display: none; }
  .gk-modes-grid       { grid-template-columns: 1fr; }
  .gk-combos-grid      { grid-template-columns: 1fr; }
  .gk-timeline-grid    { grid-template-columns: 1fr; }
  .gk-timeline-line    { display: none; }
  .gk-timeline-dot     { margin-left: 0; }
  .gk-tracks-grid      { grid-template-columns: 1fr; }
  .gk-advisors-grid    { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .gk-advisors-grid    { grid-template-columns: 1fr; }
}