/* ============================================================
   ENGAGEMENT MODELS — Progressive Disclosure
   Concept: A clear contract being laid out. Step-reveal
   structure, crisp delineation, confidence through clarity.
   Feels like you're walking through terms with someone
   who respects your intelligence.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,700;1,400&display=swap');

:root {
  --eng-serif: 'Playfair Display', serif;
  --eng-sans: 'DM Sans', sans-serif;
  --eng-rule: #102B321A;
  --eng-rule-strong: #102B3228;
  --eng-gap: clamp(3rem, 6vw, 7rem);
}

/* ── ENGAGEMENT HERO ── */
.eng-hero {
  padding: calc(var(--nav-h) + var(--topbar-h) + 5rem) var(--eng-gap) 4rem;
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 3rem 8vw;
  align-items: end;
  border-bottom: 2px solid var(--primary-color);
  position: relative;
  overflow: hidden;
}

.eng-hero__bg-num {
  position: absolute;
  right: var(--eng-gap);
  bottom: -1rem;
  font-family: var(--eng-serif);
  font-size: clamp(6rem, 18vw, 16rem);
  font-weight: 700;
  color: var(--primary-color);
  opacity: 0.04;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.eng-hero__left {}

.eng-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.35rem 0.9rem;
  background: var(--primary-color);
  margin-bottom: 2rem;
  opacity: 0;
  animation: eng-in 0.5s 0.1s forwards;
}

.eng-hero__badge-text {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-brand-accent);
}

.eng-hero__title {
  font-family: var(--eng-serif);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--primary-color);
  letter-spacing: -0.02em;
  margin-bottom: 0;
  opacity: 0;
  animation: eng-in 0.7s 0.2s forwards;
}

.eng-hero__right {
  padding-bottom: 0.5rem;
}

.eng-hero__hook {
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  line-height: 1.75;
  color: var(--clr-text);
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: 0;
  animation: eng-in 0.6s 0.3s forwards;
}

.eng-hero__tag-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: eng-in 0.5s 0.45s forwards;
}

.eng-hero__tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--eng-rule-strong);
  transition: var(--trans);
}

.eng-hero__tag:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ── CONTENT SECTIONS ── */
.eng-content {
  padding: 0 var(--eng-gap);
}

.eng-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--eng-rule);
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1.5rem 2.5rem;
}

.eng-section:last-child { border-bottom: none; }

.eng-section__num {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--clr-brand-accent);
  letter-spacing: 0.12em;
  padding-top: 0.4rem;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  text-transform: uppercase;
  height: fit-content;
}

.eng-section__body {}

.eng-section__title {
  font-family: var(--eng-serif);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.eng-section__lead {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--clr-text);
  font-weight: 300;
  max-width: 68ch;
  margin-bottom: 2.5rem;
}

/* ── WHAT'S INCLUDED TABLE ── */
.eng-included {
  border: 1px solid var(--eng-rule-strong);
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.eng-included__header {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  background: var(--primary-color);
  padding: 0.8rem 1.3rem;
}

.eng-included__col-head {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.eng-included__row {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  border-bottom: 1px solid var(--eng-rule);
  transition: var(--trans);
}

.eng-included__row:last-child { border-bottom: none; }
.eng-included__row:nth-child(even) { background: var(--clr-brand-light); }
.eng-included__row:hover { background: #e8eff4; }

.eng-included__label {
  padding: 1.1rem 1.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-color);
  border-right: 1px solid var(--eng-rule-strong);
  display: flex;
  align-items: flex-start;
  padding-top: 1.1rem;
}

.eng-included__desc {
  padding: 1.1rem 1.3rem;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--clr-text);
  font-weight: 300;
}

/* ── WHO THIS IS FOR ── */
.eng-who {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--eng-rule-strong);
  margin-bottom: 2.5rem;
}

.eng-who__item {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.3rem;
  border-bottom: 1px solid var(--eng-rule);
  transition: var(--trans);
  align-items: flex-start;
}

.eng-who__item:last-child { border-bottom: none; }
.eng-who__item:hover { background: var(--clr-brand-light); }

.eng-who__marker {
  width: 1.4rem;
  height: 1.4rem;
  border: 1.5px solid var(--clr-brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.eng-who__marker::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--clr-brand-accent);
}

.eng-who__text {
  font-size: 0.87rem;
  line-height: 1.65;
  color: var(--clr-text);
  font-weight: 300;
}

/* ── WHAT TO EXPECT ── */
.eng-expect {
  background: var(--clr-brand-light);
  padding: 2rem;
  border-left: 3px solid var(--primary-color);
  margin-bottom: 2.5rem;
}

.eng-expect__label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 0.8rem;
}

.eng-expect__text {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--clr-text);
  font-weight: 300;
}

/* ── WHAT THIS ISN'T ── */
.eng-isnt {
  padding: 2rem;
  border: 1px solid var(--eng-rule-strong);
  position: relative;
  margin-bottom: 2.5rem;
}

.eng-isnt__label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 0.8rem;
}

.eng-isnt__text {
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--clr-text-muted);
  font-weight: 300;
  font-style: italic;
}

/* ── CALLOUT ── */
.eng-callout {
  padding: 4rem var(--eng-gap);
  background: var(--primary-color);
  position: relative;
  overflow: hidden;
}

.eng-callout::after {
  content: '';
  position: absolute;
  bottom: 0; left: var(--eng-gap); right: var(--eng-gap);
  height: 2px;
  background: var(--clr-brand-accent);
}

.eng-callout__text {
  font-family: var(--eng-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.8rem);
  font-style: italic;
  color: #fff;
  line-height: 1.5;
  max-width: 70ch;
}

/* ── MODEL SWITCHER (navigation between models) ── */
.eng-switcher {
  padding: 1.5rem var(--eng-gap);
  background: var(--clr-brand-light);
  border-bottom: 1px solid var(--eng-rule-strong);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.eng-switcher__label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-right: 0.5rem;
}

.eng-switcher__link {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  text-decoration: none;
  padding: 0.35rem 0.9rem;
  border: 1px solid transparent;
  transition: var(--trans);
}

.eng-switcher__link:hover,
.eng-switcher__link.is-active {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

/* ── CTA ── */
.eng-cta {
  padding: 4rem var(--eng-gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--eng-rule-strong);
}

.eng-cta__text {
  font-family: var(--eng-serif);
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.3;
}

.eng-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--primary-color);
  color: #fff;
  padding: 0.9rem 2rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid var(--primary-color);
  transition: var(--trans);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.eng-cta__btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--clr-brand-accent);
  transform: translateX(-101%);
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
}

.eng-cta__btn:hover::after { transform: translateX(0); }
.eng-cta__btn:hover { color: var(--primary-color); }
.eng-cta__btn span { position: relative; z-index: 1; }

/* ── ANIMATIONS ── */
@keyframes eng-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.eng-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.eng-reveal.is-visible { opacity: 1; transform: translateY(0); }
.eng-reveal-delay-1 { transition-delay: 0.1s; }
.eng-reveal-delay-2 { transition-delay: 0.2s; }
.eng-reveal-delay-3 { transition-delay: 0.32s; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .eng-hero { grid-template-columns: 1fr; gap: 2rem; }
  .eng-section { grid-template-columns: 1fr; }
  .eng-section__num { writing-mode: horizontal-tb; transform: none; height: auto; }
  .eng-cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .eng-included__header,
  .eng-included__row { grid-template-columns: 1fr; }
  .eng-included__label { border-right: none; border-bottom: 1px solid var(--eng-rule); }
}