/* ============================================================
   AI Prompting Essentials — dedicated page styles
   ============================================================ */

/* ── Hero ── */
.ess-hero {
  position: relative;
  background: var(--deep-1, #0F0A1E);
  padding: 120px 0 80px;
  overflow: hidden;
}
.ess-hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(124,58,237,.15) 0%, transparent 60%);
  pointer-events: none;
}
.ess-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.ess-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34,197,94,.12);
  color: #22c55e;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 9999px;
  border: 1px solid rgba(34,197,94,.25);
  margin-bottom: 24px;
  white-space: nowrap;
}
@media (max-width: 360px) {
  .ess-hero__badge {
    font-size: .65rem;
    letter-spacing: .04em;
    padding: 6px 12px;
  }
}
.ess-hero__badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.ess-hero__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-light, #F8F6FF);
  margin-bottom: 20px;
}
.ess-hero__sub {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-light-70, rgba(248,246,255,.7));
  max-width: 520px;
  margin-bottom: 32px;
}
.ess-hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.ess-hero__meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.ess-hero__meta span {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: .75rem;
  color: var(--text-light-60, rgba(248,246,255,.6));
  letter-spacing: .04em;
  text-transform: uppercase;
}
.ess-hero__visual {
  display: flex;
  justify-content: center;
}
.ess-hero__img-wrapper {
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.ess-hero__img-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

/* ── Before & After Proof ── */
.ess-proof {
  background: var(--warm-bg, #FAF7F3);
  padding: 100px 0;
  /* Cards use translateX(±40px) as their reveal start state; contain the
     horizontal animation so it doesn't bleed into the page scrollWidth. */
  overflow: hidden;
}
.ess-proof__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.ess-proof__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-dark, #1A1625);
  margin-top: 12px;
  margin-bottom: 12px;
}
.ess-proof__sub {
  color: var(--text-dark-60, rgba(26,22,37,.6));
  font-size: 1.05rem;
}
.ess-proof__examples {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.ess-proof__example {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
}
.ess-proof__card {
  border-radius: var(--radius-lg, 20px);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.ess-proof__card--before {
  background: #fff;
  border: 1px solid rgba(0,0,0,.08);
}
.ess-proof__card--after {
  background: var(--deep-2, #16102B);
  border: 1px solid rgba(124,58,237,.2);
}
.ess-proof__tag {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  width: fit-content;
}
.ess-proof__tag--before {
  background: rgba(239,68,68,.1);
  color: #ef4444;
}
.ess-proof__tag--after {
  background: rgba(34,197,94,.12);
  color: #22c55e;
}
.ess-proof__prompt {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: .82rem;
  line-height: 1.65;
  flex: 1;
}
.ess-proof__card--before .ess-proof__prompt {
  color: var(--text-dark, #1A1625);
}
.ess-proof__card--after .ess-proof__prompt {
  color: var(--text-light-80, rgba(248,246,255,.8));
}
.ess-proof__quality {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}
.ess-proof__quality span {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
.ess-proof__card--before .ess-proof__quality span { color: var(--text-dark-50, rgba(26,22,37,.5)); }
.ess-proof__card--after .ess-proof__quality span { color: var(--text-light-60, rgba(248,246,255,.6)); }
.ess-proof__bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
}
.ess-proof__card--before .ess-proof__bar { background: rgba(0,0,0,.06); }
.ess-proof__card--after .ess-proof__bar { background: rgba(255,255,255,.1); }
.ess-proof__bar-fill {
  height: 100%;
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.ess-proof__bar-fill.is-animated.ess-proof__bar-fill--low { width: 22%; background: #ef4444; }
.ess-proof__bar-fill.is-animated.ess-proof__bar-fill--high { width: 92%; background: linear-gradient(90deg, var(--accent, #7C3AED), var(--teal, #14B8A6)); }
.ess-proof__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent, #7C3AED);
  opacity: .5;
}
.ess-proof__tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.ess-proof__technique {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(124,58,237,.18), rgba(20,184,166,.18));
  color: var(--text-light-80, rgba(248,246,255,.8));
  border: 1px solid rgba(124,58,237,.25);
  width: fit-content;
  white-space: nowrap;
}
.ess-proof__prompt {
  white-space: pre-wrap;
}
.ess-proof__footnote {
  text-align: center;
  color: var(--text-dark-60, rgba(26,22,37,.6));
  font-size: .95rem;
  margin-top: 40px;
}

/* ── What You'll Learn (Skills) ── */
.ess-learn {
  background: var(--deep-1, #0F0A1E);
  padding: 100px 0;
}
.ess-learn__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.ess-learn__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-light, #F8F6FF);
  margin-top: 12px;
}
.ess-learn__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ess-learn__card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg, 20px);
  padding: 32px;
  transition: transform .3s ease, border-color .3s ease;
}
.ess-learn__card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,.3);
}
.ess-learn__card-title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-light, #F8F6FF);
  margin-bottom: 8px;
}
.ess-learn__card-desc {
  font-size: .95rem;
  line-height: 1.6;
  color: var(--text-light-60, rgba(248,246,255,.6));
}

/* ── Course Roadmap (Timeline) ── */
.ess-roadmap {
  background: var(--warm-bg, #FAF7F3);
  padding: 100px 0;
  /* Modules use translateX(30px) as their reveal start state; contain the
     horizontal animation so it doesn't bleed into the page scrollWidth. */
  overflow: hidden;
}
.ess-roadmap__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.ess-roadmap__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-dark, #1A1625);
  margin-top: 12px;
  margin-bottom: 12px;
}
.ess-roadmap__sub {
  color: var(--text-dark-60, rgba(26,22,37,.6));
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}
.ess-roadmap__timeline {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  padding-left: 60px;
}
.ess-roadmap__timeline::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent, #7C3AED), var(--teal, #14B8A6));
  border-radius: 1px;
}
.ess-roadmap__module {
  position: relative;
  margin-bottom: 32px;
}
.ess-roadmap__module:last-child { margin-bottom: 0; }
.ess-roadmap__number {
  position: absolute;
  left: -60px;
  top: 0;
  width: 48px;
  height: 48px;
  background: var(--accent, #7C3AED);
  color: #fff;
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px var(--warm-bg, #FAF7F3);
  z-index: 1;
}
.ess-roadmap__content {
  background: #fff;
  border: 1px solid rgba(0,0,0,.06);
  border-radius: var(--radius-md, 12px);
  padding: 24px 28px;
}
.ess-roadmap__module-title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark, #1A1625);
  margin-bottom: 6px;
}
.ess-roadmap__module-desc {
  font-size: .9rem;
  line-height: 1.6;
  color: var(--text-dark-60, rgba(26,22,37,.6));
  margin-bottom: 8px;
}
.ess-roadmap__lessons {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: .7rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--accent, #7C3AED);
  font-weight: 600;
}
.ess-roadmap__cta {
  text-align: center;
  margin-top: 48px;
}

/* ── Who This Is For ── */
.ess-who {
  background: var(--deep-2, #16102B);
  padding: 80px 0 0;
}
/* Merge resources-cta into the ess-who section visually */
.resources-cta {
  background: var(--deep-2, #16102B);
}
.ess-who__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ess-who__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-light, #F8F6FF);
  margin-top: 12px;
  margin-bottom: 16px;
}
.ess-who__desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-light-70, rgba(248,246,255,.7));
}
.ess-who__cert {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg, 20px);
  padding: 32px;
}
.ess-who__cert svg {
  flex-shrink: 0;
  color: var(--accent-light, #A78BFA);
}
.ess-who__cert strong {
  display: block;
  color: var(--text-light, #F8F6FF);
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.ess-who__cert p {
  color: var(--text-light-60, rgba(248,246,255,.6));
  font-size: .9rem;
  line-height: 1.6;
}

/* ── Where This Takes You (Paths) ── */
.ess-paths {
  background: var(--deep-1, #0F0A1E);
  padding: 100px 0;
}
.ess-paths__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.ess-paths__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-light, #F8F6FF);
  margin-top: 12px;
  margin-bottom: 12px;
}
.ess-paths__sub {
  color: var(--text-light-60, rgba(248,246,255,.6));
  font-size: 1.05rem;
}
.ess-paths__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ess-paths__card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  text-decoration: none;
  transition: transform .3s ease, border-color .3s ease;
}
.ess-paths__card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,.3);
}
.ess-paths__card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}
.ess-paths__card span {
  display: block;
  padding: 16px 20px;
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-weight: 700;
  font-size: .95rem;
  color: var(--text-light, #F8F6FF);
}

/* ── Final CTA ── */
.ess-final {
  background: var(--warm-bg, #FAF7F3);
  padding: 80px 0;
}
.ess-final__inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.ess-final__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-dark, #1A1625);
  margin-bottom: 12px;
}
.ess-final__desc {
  color: var(--text-dark-60, rgba(26,22,37,.6));
  font-size: 1.05rem;
  margin-bottom: 28px;
}

/* ── Proof: Staggered Reveal Animation ── */
.ess-proof__card--before,
.ess-proof__card--after {
  opacity: 0;
  transition: opacity .7s cubic-bezier(0.16, 1, 0.3, 1),
              transform .7s cubic-bezier(0.16, 1, 0.3, 1);
}
.ess-proof__card--before {
  transform: translateX(-40px);
}
.ess-proof__card--after {
  transform: translateX(40px);
}
[data-proof-arrow] {
  opacity: 0;
  transform: scale(0.5);
  transition: opacity .4s ease, transform .4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ess-proof__example.is-animating .ess-proof__card--before {
  opacity: 1;
  transform: translateX(0);
}
.ess-proof__example.is-animating [data-proof-arrow] {
  opacity: .5;
  transform: scale(1);
  transition-delay: .35s;
}
.ess-proof__example.is-animating .ess-proof__card--after {
  opacity: 1;
  transform: translateX(0);
  transition-delay: .5s;
}

/* Typewriter cursor */
.ess-proof__prompt[data-typewriter] {
  position: relative;
}
.ess-proof__prompt.is-typing::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: currentColor;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink-cursor .6s step-end infinite;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Roadmap: Scroll-Driven Timeline ── */
.ess-roadmap__timeline::before {
  /* Override: height controlled by JS via --timeline-progress */
  height: 0;
  height: calc(var(--timeline-progress, 0) * 1%);
  transition: none;
}
.ess-roadmap__module {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity .5s cubic-bezier(0.16, 1, 0.3, 1),
              transform .5s cubic-bezier(0.16, 1, 0.3, 1);
}
.ess-roadmap__module.is-active {
  opacity: 1;
  transform: translateX(0);
}
.ess-roadmap__number {
  background: var(--deep-3, #1E1538);
  color: var(--text-light-40, rgba(248,246,255,.4));
  transition: background .4s ease, color .4s ease, box-shadow .4s ease;
}
.ess-roadmap__module.is-active .ess-roadmap__number {
  background: var(--accent, #7C3AED);
  color: #fff;
  box-shadow: 0 0 0 4px var(--warm-bg, #FAF7F3), 0 0 20px rgba(124,58,237,.4);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .ess-proof__card--before,
  .ess-proof__card--after,
  [data-proof-arrow],
  .ess-roadmap__module {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .ess-roadmap__timeline::before {
    height: 100% !important;
  }
  .ess-roadmap__number {
    background: var(--accent, #7C3AED);
    color: #fff;
  }
  .ess-proof__prompt.is-typing::after {
    display: none;
  }
}

/* ── Responsive ── */
@media (max-width: 1023px) {
  .ess-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .ess-proof__example {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .ess-proof__card--before { transform: translateY(-20px); }
  .ess-proof__card--after { transform: translateY(20px); }
  .ess-proof__example.is-animating .ess-proof__card--before,
  .ess-proof__example.is-animating .ess-proof__card--after { transform: translateY(0); }
  .ess-proof__arrow,
  .ess-proof__example.is-animating [data-proof-arrow] {
    transform: rotate(90deg) scale(1);
    padding: 4px 0;
  }
  .ess-learn__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ess-who__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .ess-paths__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .ess-proof__tag-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}
@media (max-width: 767px) {
  .ess-hero { padding: 100px 0 60px; }
  .ess-hero__meta { gap: 16px; }
  .ess-learn__grid {
    grid-template-columns: 1fr;
  }
  .ess-paths__grid {
    grid-template-columns: 1fr;
  }
  .ess-roadmap__timeline { padding-left: 48px; }
  .ess-roadmap__timeline::before { left: 17px; }
  .ess-roadmap__number {
    left: -48px;
    width: 36px;
    height: 36px;
    font-size: .9rem;
  }
}