/**
 * Robot Kit eLearning Landing Page Styles
 * /robot-kit-elearning/
 */

/* ─── Hero ─── */
.rke-hero {
  background: linear-gradient(135deg, #0c1a2e 0%, #0e2a47 40%, #0d3b5e 70%, #0f172a 100%);
  padding: 0;
  min-height: 540px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  margin-top: var(--header-height, 72px);
}
.rke-hero__glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.rke-hero__glow--1 {
  top: -25%; right: -8%; width: 550px; height: 550px;
  background: radial-gradient(circle, rgba(6,182,212,0.18) 0%, transparent 70%);
}
.rke-hero__glow--2 {
  bottom: -15%; left: -5%; width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(20,184,166,0.12) 0%, transparent 70%);
}
.rke-hero__inner {
  width: 100%; max-width: 1280px; margin: 0 auto;
  padding: 4rem var(--space-xl, 2rem);
  display: flex; align-items: center; gap: 3rem; flex-wrap: wrap;
  position: relative; z-index: 1;
}
.rke-hero__text {
  flex: 1; min-width: 320px; max-width: 580px;
}
.rke-hero__media {
  flex: 1; min-width: 280px; max-width: 500px;
  display: flex; justify-content: center;
}
.rke-hero__media img {
  width: 100%; max-width: 460px; height: auto;
  filter: drop-shadow(0 12px 40px rgba(6,182,212,0.3));
  animation: rkeFloat 4s ease-in-out infinite;
}
@keyframes rkeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.rke-hero__sub {
  color: #cbd5e1; font-size: 1.05rem; line-height: 1.7;
  margin: 0 0 2rem; max-width: 500px;
}
.rke-hero__sub strong { color: #e2e8f0; }
.rke-hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* Badge */
.rke-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(6,182,212,0.12); border: 1px solid rgba(6,182,212,0.3);
  border-radius: 24px; padding: 6px 16px; margin-bottom: 1.25rem;
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.03em; color: #22d3ee;
}

/* Gradient text */
.rke-gradient-text--teal {
  background: linear-gradient(135deg, #22d3ee, #06b6d4, #14b8a6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.rke-hero h1 {
  color: #fff; font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; line-height: 1.2; margin: 0 0 1rem;
}

/* Buttons */
.rke-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; text-decoration: none; border-radius: 12px;
  font-weight: 700; font-size: 1rem; transition: all 0.25s;
}
.rke-btn--primary {
  background: linear-gradient(135deg, #06b6d4, #14b8a6); color: #fff;
  box-shadow: 0 4px 20px rgba(6,182,212,0.4);
}
.rke-btn--primary:hover {
  transform: translateY(-2px); box-shadow: 0 6px 28px rgba(6,182,212,0.5); color: #fff;
}
.rke-btn--outline {
  border: 2px solid rgba(6,182,212,0.4); color: #22d3ee;
  background: rgba(6,182,212,0.05);
}
.rke-btn--outline:hover {
  background: rgba(6,182,212,0.12); border-color: rgba(6,182,212,0.6); color: #22d3ee;
}
.rke-btn--white {
  background: rgba(255,255,255,0.12); color: #fff;
  border: 1.5px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(12px);
}
.rke-btn--white:hover {
  background: rgba(255,255,255,0.95); color: #0891b2;
  transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  border-color: transparent;
}
.rke-btn--lg { padding: 18px 42px; font-size: 1.05rem; border-radius: 50px; }

/* ─── Learning Engines ─── */
.rke-engines {
  padding: var(--space-5xl, 5rem) 0;
  background: var(--color-bg, #f8fafc);
}
.rke-engines__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-xl, 1.5rem);
}
.rke-engine-card {
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.rke-engine-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
}
.rke-engine-card--robotics::before { background: linear-gradient(90deg, #f59e0b, #d97706); }
.rke-engine-card--coding::before { background: linear-gradient(90deg, #8b5cf6, #7c3aed); }
.rke-engine-card--maths::before { background: linear-gradient(90deg, #10b981, #059669); }
.rke-engine-card--stem::before { background: linear-gradient(90deg, #06b6d4, #0891b2); }
.rke-engine-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.rke-engine-card__icon { font-size: 2.5rem; margin-bottom: 1rem; }
.rke-engine-card h3 {
  font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem;
}
.rke-engine-card p {
  font-size: 0.9rem; color: var(--color-text-secondary, #64748b);
  line-height: 1.6; margin-bottom: 1rem;
}
.rke-engine-card ul {
  list-style: none; padding: 0; margin: 0;
}
.rke-engine-card li {
  font-size: 0.85rem; padding: 4px 0; color: var(--color-text-secondary, #64748b);
}
.rke-engine-card li::before {
  content: '✓ '; color: var(--color-primary, #3b5bdb); font-weight: 700;
}

/* ─── What's Included ─── */
.rke-included {
  padding: var(--space-5xl, 5rem) 0;
  background: var(--color-surface-alt, #f1f5f9);
}
.rke-included__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-xl, 1.5rem);
}
.rke-incl-card {
  background: var(--color-surface, #fff);
  border-radius: 16px; padding: 2rem;
  text-align: center; transition: all 0.3s;
  border: 1px solid var(--color-border, #e2e8f0);
}
.rke-incl-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}
.rke-incl-card__number {
  font-size: 2.2rem; font-weight: 800;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 0.5rem;
}
.rke-incl-card h4 {
  font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem;
}
.rke-incl-card p {
  font-size: 0.82rem; color: var(--color-text-secondary, #64748b); line-height: 1.5;
}

/* ─── Age Pathway ─── */
.rke-pathway {
  padding: var(--space-5xl, 5rem) 0;
  background: var(--color-bg, #f8fafc);
}
.rke-pathway__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl, 1.5rem);
}
.rke-path-card {
  background: var(--color-surface, #fff);
  border-radius: 16px; padding: 2rem;
  border: 1px solid var(--color-border, #e2e8f0);
  transition: all 0.3s; position: relative; overflow: hidden;
}
.rke-path-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.rke-path-card__age {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  padding: 4px 12px; border-radius: 20px; margin-bottom: 1rem;
}
.rke-path-card--young .rke-path-card__age {
  background: rgba(16,185,129,0.1); color: #059669;
}
.rke-path-card--mid .rke-path-card__age {
  background: rgba(139,92,246,0.1); color: #7c3aed;
}
.rke-path-card--adv .rke-path-card__age {
  background: rgba(6,182,212,0.1); color: #0891b2;
}
.rke-path-card h3 {
  font-size: 1.3rem; font-weight: 700; margin-bottom: 0.25rem;
}
.rke-path-card > p {
  font-size: 0.85rem; color: var(--color-text-secondary, #64748b); margin-bottom: 1rem;
}
.rke-path-card ul {
  list-style: none; padding: 0; margin: 0 0 1.25rem;
}
.rke-path-card li {
  font-size: 0.85rem; padding: 4px 0; color: var(--color-text-secondary, #64748b);
}
.rke-path-card li::before {
  content: '→ '; color: var(--color-primary, #3b5bdb); font-weight: 600;
}
.rke-path-card__link {
  font-size: 0.9rem; font-weight: 600; color: var(--color-primary, #3b5bdb);
  text-decoration: none; transition: color 0.2s;
}
.rke-path-card__link:hover { color: var(--color-primary-dark, #2b4bc8); }

/* ─── Value Section ─── */
.rke-value {
  padding: var(--space-5xl, 5rem) 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
}
.rke-value__inner {
  display: flex; gap: 3rem; align-items: center; flex-wrap: wrap;
}
.rke-value__text { flex: 1.2; min-width: 300px; }
.rke-value__text h2 { color: #fff; margin-bottom: 1rem; }
.rke-value__text p {
  color: #94a3b8; font-size: 1rem; line-height: 1.7; margin-bottom: 2rem;
}
.rke-value__text p strong { color: #e2e8f0; }
.rke-value__compare {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.rke-value__compare-item {
  padding: 1rem 2rem; border-radius: 12px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  text-align: center; flex: 1; min-width: 140px;
}
.rke-value__compare-item--highlight {
  background: rgba(6,182,212,0.15); border-color: rgba(6,182,212,0.4);
}
.rke-value__compare-label {
  display: block; font-size: 0.8rem; color: #94a3b8; margin-bottom: 0.25rem;
}
.rke-value__compare-price {
  font-size: 1.5rem; font-weight: 800;
}
.rke-value__compare-price del { color: #64748b; }
.rke-value__compare-item--highlight .rke-value__compare-price {
  background: linear-gradient(135deg, #22d3ee, #14b8a6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.rke-value__visual { flex: 0.8; min-width: 280px; }
.rke-value__card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 2rem;
}
.rke-value__card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.rke-value__card h4 { color: #fff; margin-bottom: 1rem; font-size: 1.1rem; }
.rke-value__card ul { list-style: none; padding: 0; margin: 0; }
.rke-value__card li {
  padding: 6px 0; font-size: 0.9rem; color: #cbd5e1;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* ─── Final CTA ─── */
.rke-cta {
  padding: var(--space-5xl, 5rem) 0;
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #0e7490 100%);
  text-align: center;
}
.rke-cta__inner { max-width: 700px; margin: 0 auto; }
.rke-cta h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 1rem; }
.rke-cta p { color: rgba(255,255,255,0.85); font-size: 1.05rem; margin-bottom: 2rem; line-height: 1.6; }
.rke-cta__buttons {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}

/* ─── Mobile ─── */
@media (max-width: 768px) {
  .rke-hero__inner { flex-direction: column; padding: 2rem 1rem !important; }
  .rke-hero__text { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .rke-hero__media { order: -1; }
  .rke-hero__ctas { justify-content: center; }
  .rke-value__inner { flex-direction: column; }
  .rke-engines__grid { grid-template-columns: 1fr 1fr; }
  .rke-included__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .rke-engines__grid { grid-template-columns: 1fr; }
  .rke-included__grid { grid-template-columns: 1fr; }
  .rke-pathway__grid { grid-template-columns: 1fr; }
}