/* ─── Design Tokens & Theme Inherit ──────────────────────── */
:root {
  --bg-color: #000000;
  --panel-bg: #111111;
  --panel-border: rgba(201, 164, 76, 0.12);
  --panel-border-hover: rgba(201, 164, 76, 0.28);
  --text-primary: #F4F1E8;
  --text-secondary: #E8E4DA;
  --text-muted: #CFC9BC;
  --gold-accent: #C9A44C;
  --gold-glow: rgba(201, 164, 76, 0.25);
  
  --font-serif: 'Cinzel Decorative', serif;
  --font-sans: 'DM Sans', sans-serif;
  --font-tech: 'Space Grotesk', sans-serif;
}

/* ─── Base Styles ────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
}
.sk-main {
  margin-top: 0;
}
.sk-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 4vw, 3rem);
}

/* ─── UI Typography & Eyebrow Elements ───────────────────── */
.sk-eyebrow {
  display: block;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold-accent);
  margin-bottom: 0.75rem;
}
.sk-sec-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1.5rem 0;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.sk-hero__subtitle {
  font-family: var(--font-tech);
  font-size: clamp(0.85rem, 1.8vw, 1.2rem);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gold-accent);
  margin-bottom: 1.5rem;
}
.sk-sec-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 3.5rem;
}

/* Hero text shadow */
.sk-hero-content .sk-eyebrow,
.sk-hero-content .sk-sec-title,
.sk-hero-content .sk-hero__subtitle,
.sk-hero-content .sk-sec-lead {
  text-shadow: 0 2px 18px rgba(0,0,0,0.85), 0 1px 4px rgba(0,0,0,0.6);
}
.sk-sec-lead.text-center {
  margin-left: auto;
  margin-right: auto;
}
.text-center {
  text-align: center;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ─── Buttons ────────────────────────────────────────────── */
.sk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.95rem 2.2rem;
  border-radius: 0;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
}
.sk-btn--primary {
  background: var(--gold-accent);
  color: #000;
  border: 1px solid var(--gold-accent);
}
.sk-btn--primary:hover {
  background: transparent;
  color: var(--gold-accent);
  box-shadow: 0 0 24px var(--gold-glow);
}
.sk-btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--panel-border);
}
.sk-btn--secondary:hover {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
  background: rgba(201, 164, 76, 0.04);
}
.sk-btn-mini {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--gold-accent);
  padding: 0.5rem 1rem;
  font-family: var(--font-tech);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 0;
  cursor: pointer;
  transition: all 200ms ease;
}
.sk-btn-mini:hover {
  background: var(--gold-accent);
  color: #000;
  border-color: var(--gold-accent);
}

/* ─── Hero Section ───────────────────────────────────────── */
.sk-hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  padding-top: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--panel-border);
  background: radial-gradient(circle at 50% 50%, rgba(0, 0, 0,0.85) 0%, #000000 100%), url('/assets/images/hero_academics.png') no-repeat center/cover;
}

.sk-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.sk-hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(0, 0, 0,0.72) 0%, rgba(0, 0, 0,0.55) 100%);
  z-index: 1;
}

.sk-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 880px;
  padding: 0 1.5rem;
}
.sk-hero-links {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Sections ───────────────────────────────────────────── */
.sk-section {
  position: relative;
  background: var(--bg-color);
  border-top: 1px solid var(--panel-border);
}
.sk-section.alt-bg {
  background: #000000;
}

/* ─── Interactive Radar Layout ───────────────────────────── */
.radar-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4.5rem;
  align-items: center;
}
.radar-visual-wrap {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 0;
  padding: 2rem;
  box-shadow: 0 20px 45px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.radar-visual-wrap svg {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
}
.radar-dot {
  cursor: pointer;
  transition: r 200ms ease, fill 200ms ease;
}
.radar-dot:hover {
  r: 8px;
  fill: var(--text-primary);
}
.radar-text-label {
  font-family: var(--font-tech);
  font-size: 0.52rem;
  font-weight: 700;
  fill: var(--text-muted);
  letter-spacing: 0.12em;
}

/* ─── Sandbox Details Panel ─────────────────────────────── */
.radar-details-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-left: 3px solid var(--gold-accent);
  border-radius: 0;
  padding: 2.5rem;
  min-height: 400px;
  box-shadow: 0 20px 45px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
}
.sandbox-header {
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 1.2rem;
  margin-bottom: 1.8rem;
}
.sandbox-tag {
  font-family: var(--font-tech);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--gold-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.sandbox-header h3 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  margin: 0.4rem 0 0 0;
  color: var(--text-primary);
}

.sandbox-display-pane {
  flex: 1;
}
.sandbox-sub-view {
  display: none;
  flex-direction: column;
  gap: 1.2rem;
}
.sandbox-sub-view.active {
  display: flex;
}
.sandbox-sub-view p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}

.sandbox-control-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.slider-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.slider-row label {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.slider-row label span {
  color: var(--gold-accent);
  font-weight: 700;
}
.slider-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  outline: none;
}
.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold-accent);
  cursor: pointer;
  box-shadow: 0 0 6px var(--gold-glow);
  transition: transform 150ms ease;
}
.slider-row input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

.sandbox-canvas-wrap {
  background: #000000;
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 0;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sandbox-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.math-roots-output {
  font-family: var(--font-tech);
  font-size: 0.78rem;
  color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.02);
  padding: 0.6rem 0.8rem;
  border-radius: 0;
  background: rgba(0,0,0,0.1);
}
.math-roots-output span {
  color: var(--text-primary);
  font-weight: 700;
}

/* Logic Gates builder style */
.logic-gate-builder {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1rem;
}
.logic-inputs {
  display: flex;
  gap: 1.5rem;
}
.logic-toggle-btn {
  flex: 1;
  background: #000000;
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  padding: 0.9rem;
  font-family: var(--font-tech);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 0;
  cursor: pointer;
  transition: all 250ms ease;
}
.logic-toggle-btn.active {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
  background: rgba(201, 164, 76, 0.04);
  box-shadow: 0 0 12px rgba(201,164,76,0.06);
}
.logic-operator select {
  width: 100%;
  background: #000000;
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  font-family: var(--font-tech);
  font-size: 0.85rem;
  padding: 0.9rem;
  border-radius: 0;
  outline: none;
  cursor: pointer;
}
.logic-output-chassis {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.03);
  padding: 1rem 1.4rem;
  border-radius: 0;
  font-family: var(--font-tech);
  font-size: 0.88rem;
}
.logic-output-chassis strong {
  color: var(--gold-accent);
  font-size: 1.25rem;
}

/* Literature analyzer style */
.analyzer-wrap {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 0.5rem;
}
.analyzer-wrap textarea {
  width: 100%;
  height: 100px;
  background: #000000;
  border: 1px solid var(--panel-border);
  border-radius: 0;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  padding: 0.8rem;
  outline: none;
  resize: none;
  box-sizing: border-box;
}
.analyzer-wrap textarea:focus {
  border-color: var(--gold-accent);
}
.analyzer-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.stat-box {
  background: rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 0;
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.stat-box strong {
  font-size: 1.05rem;
  color: var(--gold-accent);
}

/* Commercial ledger styles */
.ledger-box {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.ledger-inputs {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 1rem;
}
.ledger-inputs input {
  background: #000000;
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  font-family: var(--font-tech);
  font-size: 0.78rem;
  padding: 0.6rem;
  border-radius: 0;
  outline: none;
}
.ledger-inputs input:focus {
  border-color: var(--gold-accent);
}
.ledger-table-wrap {
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 0;
  overflow: hidden;
  max-height: 120px;
  overflow-y: auto;
}
.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-tech);
  font-size: 0.78rem;
  text-align: left;
}
.ledger-table th {
  background: rgba(255,255,255,0.02);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.ledger-table td {
  padding: 0.45rem 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.02);
  color: var(--text-secondary);
}
.ledger-table tr:last-child td {
  border-bottom: none;
}
.ledger-summary {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px dashed rgba(255,255,255,0.05);
  padding-top: 0.8rem;
}
.ledger-summary strong {
  color: var(--gold-accent);
}

.awards-section-glow {
  position: relative;
  overflow: hidden;
}
.awards-section-glow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(201, 164, 76, 0) 0%, rgba(201, 164, 76, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Transcripts layout ─────────────────────────────────── */
.transcripts-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3.5rem;
  margin-top: 2.5rem;
  position: relative;
  z-index: 1;
}
@keyframes cert-sheen {
  0% {
    transform: translateX(-150%) skewX(-25deg);
  }
  100% {
    transform: translateX(150%) skewX(-25deg);
  }
}
.transcript-panel {
  background: radial-gradient(circle at 50% 50%, #161616 0%, #000000 100%);
  border: 8px double rgba(201, 164, 76, 0.2);
  border-radius: 0;
  padding: 3rem 2.5rem 2.2rem 2.5rem;
  position: relative;
  transition: transform 450ms cubic-bezier(0.25, 0.8, 0.25, 1),
              border-color 450ms cubic-bezier(0.25, 0.8, 0.25, 1),
              box-shadow 450ms cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), inset 0 0 30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.transcript-panel:hover {
  transform: translateY(-8px);
  border-color: rgba(201, 164, 76, 0.65);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 25px rgba(201, 164, 76, 0.12);
}
.transcript-panel::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 100%;
  background: linear-gradient(to right, transparent 0%, rgba(201, 164, 76, 0) 30%, rgba(201, 164, 76, 0.15) 50%, rgba(201, 164, 76, 0) 70%, transparent 100%);
  transform: translateX(-150%) skewX(-25deg);
  pointer-events: none;
  z-index: 2;
}
.transcript-panel:hover::after {
  animation: cert-sheen 850ms cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}
.cert-border-inner {
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(201, 164, 76, 0.1);
  pointer-events: none;
  border-radius: 0;
}
.cert-border-inner::before {
  content: '';
  position: absolute;
  inset: 2px;
  border: 1px dashed rgba(201, 164, 76, 0.05);
  border-radius: 2px;
}
.cert-header {
  display: block;
  font-family: var(--font-tech);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold-accent);
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}
.cert-serial {
  font-family: var(--font-tech);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 1;
}
.panel-header {
  position: relative;
  z-index: 1;
  margin-bottom: 0.5rem;
}
.panel-header h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.4rem 0;
  color: var(--text-primary);
}
.panel-header .panel-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.cert-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201, 164, 76, 0.25) 15%, rgba(201, 164, 76, 0.25) 85%, transparent);
  margin: 1.2rem 0;
  position: relative;
  z-index: 1;
}
.cert-divider::after {
  content: '♦';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: var(--gold-accent);
  font-size: 0.55rem;
  background: #111;
  padding: 0 0.5rem;
}
.grades-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1.8rem;
  position: relative;
  z-index: 1;
  flex: 1;
}
.grade-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed rgba(201, 164, 76, 0.08);
  padding-bottom: 0.5rem;
}
.grade-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.grade-row .sub-name {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.grade-row .sub-grade {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gold-accent);
  text-shadow: 0 0 8px rgba(201, 164, 76, 0.35);
}

.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid rgba(201, 164, 76, 0.08);
  padding-top: 1.2rem;
  position: relative;
  z-index: 1;
  margin-top: auto;
}
.cert-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.cert-label {
  font-family: var(--font-tech);
  font-size: 0.55rem;
  font-weight: 600;
  color: #CFC9BC;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.cert-value {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.cert-signature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
.cert-sig-line {
  width: 70px;
  height: 1px;
  background: rgba(201, 164, 76, 0.25);
  margin-bottom: 0.1rem;
}
.cert-sig-text {
  font-family: 'Cinzel Decorative', serif;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--gold-accent);
  letter-spacing: 0.05em;
}
.cert-sig-title {
  font-family: var(--font-tech);
  font-size: 0.55rem;
  color: #CFC9BC;
  text-transform: uppercase;
}
.cert-seal-wrap {
  position: relative;
  width: 45px;
  height: 45px;
  margin-bottom: -5px;
}
.cert-seal-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.15));
  transition: transform 600ms cubic-bezier(0.25, 0.8, 0.25, 1);
}
.transcript-panel:hover .cert-seal-svg {
  transform: rotate(20deg) scale(1.05);
}

/* ─── Strengths Cards ────────────────────────────────────── */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
  margin-top: 2rem;
}
.strength-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 0;
  padding: 2.2rem 1.8rem;
  position: relative;
  transition: all 300ms ease;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.strength-card:hover {
  border-color: var(--gold-accent);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}
.card-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(201, 164, 76, 0.08);
  position: absolute;
  top: 0.8rem;
  right: 1.2rem;
  line-height: 1;
}
.strength-card h3 {
  font-family: var(--font-tech);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.8rem 0;
  color: var(--text-primary);
  max-width: 80%;
}
.strength-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

/* ─── Certificates Grid ──────────────────────────────────── */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin-top: 2rem;
}
.cert-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 0;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  transition: all 300ms ease;
}
.cert-card:hover {
  border-color: var(--gold-accent);
  box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}
.cert-badge {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: #000;
  background: var(--gold-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 0;
}
.cert-card h3 {
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}
.cert-card p {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0 0 auto 0;
}
.cert-card .sk-btn {
  width: 100%;
  padding: 0.65rem 0;
  font-size: 0.7rem;
}

/* ─── Responsive Media Queries ──────────────────────────── */
@media (max-width: 980px) {
  .radar-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .radar-visual-wrap {
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  .transcripts-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .strengths-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
  }
  .certificates-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 600px) {
  .strengths-grid {
    grid-template-columns: 1fr;
  }
  .certificates-grid {
    grid-template-columns: 1fr;
  }
  .sandbox-control-grid {
    grid-template-columns: 1fr;
  }
  .ledger-inputs {
    grid-template-columns: 1fr;
  }
}

/* ─── Percentile Rings ───────────────────────────────────── */

.sk-percentile-section { background: #000000; }

.percentile-rings {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(3rem, 8vw, 7rem);
  flex-wrap: wrap;
  padding-top: 1rem;
}

.percentile-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.ring-wrap {
  position: relative;
  width: clamp(140px, 18vw, 190px);
  height: clamp(140px, 18vw, 190px);
}

.ring-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.ring-bg {
  fill: none;
  stroke: rgba(201, 164, 76, 0.1);
  stroke-width: 7;
}

.ring-fill {
  fill: none;
  stroke: #C9A44C;
  stroke-width: 7;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  filter: drop-shadow(0 0 6px rgba(201, 164, 76, 0.45));
}

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.ring-num {
  font-family: 'Cinzel Decorative', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  color: #F4F1E8;
  line-height: 1;
  letter-spacing: 0.02em;
}

.ring-sup {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: #C9A44C;
  letter-spacing: 0.06em;
  align-self: flex-start;
  margin-top: 0.2rem;
}

.ring-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #CFC9BC;
  margin-top: 0.25rem;
}

.ring-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #E8E4DA;
  text-align: center;
  margin: 0;
  max-width: 160px;
}

@media (max-width: 600px) {
  .percentile-rings { gap: 2.5rem; }
  .ring-wrap { width: 130px; height: 130px; }
}

/* subtle percentile note */
.sk-percentile-note {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #CFC9BC;
  margin: -1.75rem 0 2.5rem;
}

/* ─── Syllabus Accordions Section ────────────────────────── */
.syllabus-section {
  position: relative;
  background: var(--bg-color);
  border-top: 1px solid var(--panel-border);
}
.syllabus-tabs {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 1;
}
.syllabus-tab-btn {
  background: rgba(17, 17, 17, 0.4);
  border: 1px solid rgba(201, 164, 76, 0.15);
  color: var(--text-muted);
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.8rem 2rem;
  cursor: pointer;
  border-radius: 0;
  position: relative;
  transition: all 300ms ease;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.syllabus-tab-btn .tab-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: all 300ms ease;
}
.syllabus-tab-btn:hover {
  color: var(--text-secondary);
  border-color: rgba(201, 164, 76, 0.35);
  background: rgba(17, 17, 17, 0.7);
}
.syllabus-tab-btn.active {
  color: var(--gold-accent);
  border-color: var(--gold-accent);
  background: rgba(201, 164, 76, 0.04);
  box-shadow: 0 0 15px rgba(201, 164, 76, 0.06);
}
.syllabus-tab-btn.active .tab-indicator {
  background: var(--gold-accent);
  box-shadow: 0 0 8px var(--gold-accent);
}
.syllabus-panel {
  display: none;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.syllabus-panel.active {
  display: block;
}
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.accordion-item {
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(201, 164, 76, 0.12);
  border-radius: 0;
  overflow: hidden;
  transition: all 300ms cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
}
.accordion-item:hover {
  border-color: rgba(201, 164, 76, 0.35);
  background: rgba(21, 21, 21, 0.75);
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}
.accordion-item.open {
  border-color: rgba(201, 164, 76, 0.5);
  background: rgba(21, 21, 21, 0.9);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5), inset 0 0 15px rgba(201,164,76,0.02);
}
.accordion-header {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 1.8rem;
  text-align: left;
}
.header-main h3 {
  font-family: var(--font-tech);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
  transition: color 250ms ease;
}
.accordion-item:hover .header-main h3 {
  color: #fff;
}
.accordion-item.open .header-main h3 {
  color: var(--gold-accent);
}
.header-meta {
  font-family: var(--font-tech);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.accordion-item .grade-badge {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 700;
  color: #000;
  background: var(--gold-accent);
  padding: 0.2rem 0.55rem;
  border-radius: 0;
  transition: transform 300ms ease;
}
.accordion-item .grade-badge.star {
  text-shadow: none;
}
.accordion-item:hover .grade-badge {
  transform: scale(1.05);
}
.accordion-trigger-icon {
  width: 14px;
  height: 14px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.accordion-trigger-icon span {
  position: absolute;
  background: rgba(201, 164, 76, 0.65);
  transition: all 300ms cubic-bezier(0.25, 0.8, 0.25, 1);
}
.accordion-trigger-icon .line-h {
  width: 100%;
  height: 2px;
}
.accordion-trigger-icon .line-v {
  width: 2px;
  height: 100%;
}
.accordion-item.open .accordion-trigger-icon .line-v {
  transform: rotate(90deg) scaleY(0);
}
.accordion-item.open .accordion-trigger-icon span {
  background: var(--gold-accent);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 350ms cubic-bezier(0.25, 0.8, 0.25, 1);
}
.accordion-content-inner {
  padding: 0 1.8rem 1.6rem 1.8rem;
  border-top: 1px solid rgba(255,255,255,0.02);
  padding-top: 1.2rem;
}
.accordion-content-inner p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
  text-align: justify;
}

/* ─── Gallery Accordion System ───────────────────────────── */
.sk-gallery-strip {
  padding: 0;
  background: #000;
  width: 100%;
  overflow: hidden;
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
}

.gallery-accordion {
  display: flex;
  width: 100%;
  height: 380px;
  background: #000;
}

.gallery-card {
  flex: 1;
  position: relative;
  overflow: hidden;
  transition: flex 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  cursor: pointer;
  border-right: 1px solid var(--panel-border);
}

.gallery-card:last-child {
  border-right: none;
}

.gallery-card img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.overlay-text {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.6rem 1.4rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
  opacity: 1;
  transform: none;
  transition: padding 0.5s cubic-bezier(0.25, 1, 0.5, 1), background 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
}

.overlay-text h3 {
  font-family: var(--font-tech);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9), 0 4px 12px rgba(0, 0, 0, 0.95);
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.overlay-text p {
  font-family: var(--font-sans);
  color: var(--gold-accent);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0;
  opacity: 0;
  max-height: 0;
  transform: translateY(15px);
  overflow: hidden;
  transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1), 
              max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1), 
              transform 0.4s cubic-bezier(0.25, 1, 0.5, 1),
              margin 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Desktop Hover Interactions (Screens wider than 768px) */
@media (min-width: 769px) {
  .gallery-card:hover {
    flex: 2.5;
  }
  
  .gallery-card:hover img {
    transform: scale(1.04);
  }
  
  .gallery-card:hover .overlay-text {
    padding: 2.4rem 1.8rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.6) 70%, transparent 100%);
  }

  .gallery-card:hover .overlay-text h3 {
    font-size: 1.35rem;
    margin-bottom: 0.4rem;
  }

  .gallery-card:hover .overlay-text p {
    opacity: 1;
    max-height: 50px;
    transform: translateY(0);
    margin-top: 0.2rem !important;
  }
}

/* Mobile Stacking Configuration (Screens <= 768px) */
@media (max-width: 768px) {
  .gallery-accordion {
    flex-direction: column;
    height: auto;
  }
  .gallery-card {
    flex: none;
    width: 100%;
    height: 320px;
    border-right: none;
    border-bottom: 1px solid var(--panel-border);
  }
  .gallery-card:last-child {
    border-bottom: none;
  }
  .overlay-text {
    opacity: 1 !important;
    transform: none !important;
    padding: 1.5rem !important;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.7) 80%, transparent 100%) !important;
  }
  .overlay-text h3 {
    font-size: 1.25rem !important;
    margin-bottom: 0.4rem !important;
  }
  .overlay-text p {
    opacity: 1 !important;
    max-height: none !important;
    transform: none !important;
    margin: revert !important;
  }
}

.sk-cert-request { display: inline-block; margin: 0.25rem 0 1.5rem; }

/* Subject rows already expand: on phones, say so in words as well as with the plus. */
@media (max-width: 768px) {
  .accordion-header .header-main::after {
    content: 'Read more';
    display: block;
    margin-top: 0.55rem;
    color: #C9A44C;
    font-family: var(--font-sans, 'DM Sans', sans-serif);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .accordion-item.open .accordion-header .header-main::after { content: 'Read less'; }
  .accordion-content-inner p { text-align: left; }
}