/* Component styling — base rules transcribed verbatim from docs/07-component-styling.md,
   extended only with page-specific pieces the implementation guide calls "genuinely page-specific"
   (logo lockup, quiet strip, marquee, purchaser grid, tax diagram, strategy cards, timeline). */

/* ---- Page frame ---- */
.page-section {
  border-radius: var(--radius-page);
  margin: var(--space-2);
  background: var(--color-bg-surface);
}
.page-section--dark { background: var(--color-ink); }
.page-section--red  { background: var(--color-red); }

@media (max-width: 639px) {
  .page-section { margin: var(--space-1); }
}

/* ---- Logo lockup (placeholder mark: cropped summit + text wordmark) ---- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font: 600 var(--text-h3) var(--font-display);
  color: var(--color-ink);
}
.logo__mark { width: 28px; height: 28px; flex-shrink: 0; }
.logo__mark img { width: 100%; height: 100%; }
.footer .logo { color: var(--color-white); }
.footer .logo__mark { filter: none; }

/* ---- Nav bar ----
   In normal document flow (sticky, not fixed/floating) so it reserves its own
   space and everything after it is guaranteed to clear it by construction —
   no measuring the nav's height, no calculated offsets on other elements. */
.nav-wrap {
  position: sticky;
  top: var(--space-2);
  z-index: 50;
  padding: 0 var(--space-2);
  margin-bottom: var(--space-4);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  transition: background var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard);
  max-width: 1280px;
  margin: 0 auto;
}
.nav--solid {
  background: var(--color-bg-surface);
  box-shadow: var(--shadow-nav);
}
.nav__links { display: flex; align-items: center; gap: var(--space-1); }
.nav__link {
  font: 500 var(--text-body) var(--font-body);
  color: var(--color-ink);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-pill);
}
.nav__link:hover { background: rgba(201,162,39,0.12); }
.nav__cta {
  background: var(--color-gold);
  color: var(--color-ink);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
}
.nav__toggle { display: none; }

@media (max-width: 1023px) {
  .nav__links {
    display: none;
    position: absolute;
    top: calc(100% + var(--space-1));
    left: 0; right: 0;
    background: var(--color-bg-surface);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-nav);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-2);
  }
  .nav__links--open { display: flex; }
  .nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    font-size: 20px;
    border-radius: var(--radius-pill);
    color: var(--color-ink);
  }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  font: 500 var(--text-body) var(--font-body);
  transition: transform var(--duration-fast) var(--ease-standard);
}
.btn--primary { background: var(--color-gold); color: var(--color-ink); }
.btn--secondary { background: transparent; color: var(--color-ink); border: 1px solid var(--color-ink); }
.btn--on-dark.btn--secondary { color: var(--color-white); border-color: var(--color-white); }
.btn:hover { transform: translateY(-1px); }

/* ---- Hero ---- */
.hero {
  position: relative;
  border-radius: var(--radius-page);
  overflow: hidden;
  min-height: 640px;
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
}
.hero__media {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(18,21,26,0.85) 0%, rgba(18,21,26,0.6) 40%, rgba(18,21,26,0.25) 70%, rgba(18,21,26,0) 100%);
  z-index: 1;
}
.hero__content { position: relative; z-index: 2; flex: 1 1 0%; min-width: 0; max-width: 640px; }
.hero__headline { font: 600 var(--text-hero) var(--font-display); color: var(--color-white); }
.hero__subcopy { font: 400 var(--text-body-lg) var(--font-body); color: var(--color-white); margin-top: var(--space-2); }
.hero__actions { display: flex; gap: var(--space-2); margin-top: var(--space-4); flex-wrap: wrap; }
.hero__divider {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 90px;
  z-index: 2;
  opacity: 0.9;
  pointer-events: none;
}
.hero__divider img { width: 100%; height: 100%; object-fit: cover; object-position: bottom; }

@media (max-width: 639px) {
  .hero {
    padding: var(--space-4);
    min-height: 520px;
    flex-direction: column;
    align-items: flex-start;
  }
  .hero__content { align-self: stretch; max-width: none; }
}

/* ---- Stat badge ---- */
.stat-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 2;
  background: rgba(18,21,26,0.72);
  border-radius: var(--radius-card);
  padding: var(--space-3);
  box-shadow: var(--shadow-float);
}
.stat-badge__number { font: 600 32px var(--font-display); color: var(--color-gold); }
.stat-badge__label { font: 400 var(--text-small) var(--font-body); color: var(--color-white); }

.stat-inline { display: flex; align-items: baseline; gap: var(--space-1); }
.stat-inline .stat-badge__number { font-size: 24px; }

@media (max-width: 639px) {
  .stat-badge { position: static; order: 2; margin-top: var(--space-3); display: inline-flex; align-items: baseline; gap: var(--space-1); }
}

/* ---- Quiet strip ---- */
.quiet-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-3);
}
.quiet-strip__item {
  font: 500 var(--text-body) var(--font-body);
  color: rgba(18,21,26,0.5);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.quiet-strip__item img { max-height: 32px; width: auto; opacity: 0.7; filter: grayscale(1); }

/* ---- Numbered accordion ---- */
.accordion-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(18,21,26,0.1);
  cursor: pointer;
}
.accordion-row__number { font: 400 var(--text-small) var(--font-body); color: var(--color-gold); }
.accordion-row__title { font: 500 var(--text-h3) var(--font-body); color: var(--color-ink); flex: 1; }
.accordion-row:hover .accordion-row__title { color: var(--color-gold); }
.accordion-row__chevron { transition: transform var(--duration-base) var(--ease-standard); color: var(--color-gold); }
.accordion-row--active .accordion-row__chevron { transform: rotate(180deg); }
.accordion-row__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-base) var(--ease-standard);
}
.accordion-row--active .accordion-row__body { max-height: 480px; }
.accordion-row__body-inner {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-3) 0 var(--space-4);
  align-items: center;
}
.accordion-row__body-text { flex: 1; font: 400 var(--text-body) var(--font-body); color: rgba(18,21,26,0.75); }
.accordion-row__body-media { width: 220px; flex-shrink: 0; border-radius: var(--radius-card); overflow: hidden; }
.accordion-row__body-media img { width: 100%; height: 140px; object-fit: cover; }

@media (max-width: 639px) {
  .accordion-row__body-inner { flex-direction: column; align-items: stretch; }
  .accordion-row__body-media { width: 100%; }
}

/* ---- Card carousel ---- */
.carousel { position: relative; }
.carousel-track { display: flex; gap: var(--space-3); overflow-x: hidden; scroll-behavior: smooth; }
.carousel-card { flex: 0 0 calc(33.333% - 16px); border-radius: var(--radius-card); overflow: hidden; }
.carousel-card--photo img { width: 100%; height: 340px; object-fit: cover; }
.carousel-card--info {
  background: var(--color-red);
  color: var(--color-white);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 340px;
}
.carousel-card--info h3 { font: 600 var(--text-h3) var(--font-display); }
.carousel-card--info p { font: 400 var(--text-body) var(--font-body); margin-top: var(--space-2); }
.carousel-controls { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-4); }
.carousel-progress {
  flex: 1;
  height: 2px;
  background: rgba(18,21,26,0.15);
  border-radius: 2px;
  overflow: hidden;
}
.carousel-progress__fill { height: 100%; background: var(--color-ink); transition: width var(--duration-base) var(--ease-standard); }
.carousel-arrow {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-red);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.carousel-arrow:hover { background: var(--color-ink); }

@media (max-width: 639px) {
  .carousel-card { flex: 0 0 100%; }
}

/* ---- Dark principle section ---- */
.principles {
  position: relative;
  padding: var(--space-7) var(--space-4);
  color: var(--color-white);
  overflow: hidden;
}
.principles__texture {
  position: absolute; inset: 0;
  opacity: 0.10;
  pointer-events: none;
  object-fit: cover;
  width: 100%; height: 100%;
}
.principles__head { text-align: center; max-width: 640px; margin: 0 auto var(--space-5); position: relative; z-index: 1; }
.principles__head .eyebrow { color: var(--color-gold); }
.principles__head h2 { margin-top: var(--space-2); }
.principles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.principle-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-card);
  padding: var(--space-3);
  backdrop-filter: blur(6px); /* omit safely if unsupported — falls back to the flat translucent fill */
  font: 400 var(--text-body-lg) var(--font-display);
  font-style: italic;
}

@media (max-width: 1023px) {
  .principles__grid { grid-template-columns: 1fr; }
}

/* ---- CTA banner ---- */
.cta-banner {
  position: relative;
  border-radius: var(--radius-page);
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6) var(--space-4);
}
.cta-banner__media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.cta-banner::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(18,21,26,0.55);
  z-index: 1;
}
.cta-banner__content { position: relative; z-index: 2; width: 100%; min-width: 0; max-width: 720px; }
.cta-banner__content h2 { color: var(--color-white); }
.cta-banner__content .btn { margin-top: var(--space-3); }

/* ---- Footer ---- */
.footer { background: var(--color-ink); color: var(--color-white); padding: var(--space-6) var(--space-4); border-radius: var(--radius-page); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-4); max-width: 1280px; margin: 0 auto; }
.footer__tagline { font: 400 var(--text-body) var(--font-body); color: rgba(255,255,255,0.75); margin: var(--space-2) 0 var(--space-3); }
.footer__col h3 { font: 600 var(--text-small) var(--font-body); color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-2); }
.footer__col ul { display: flex; flex-direction: column; gap: var(--space-1); }
.footer__link { color: rgba(255,255,255,0.75); }
.footer__link:hover { color: var(--color-gold); }
.footer__bottom-row { display: flex; justify-content: space-between; margin-top: var(--space-5); font: 400 var(--text-small) var(--font-body); color: rgba(255,255,255,0.5); max-width: 1280px; margin-left: auto; margin-right: auto; }

@media (max-width: 1023px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 639px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom-row { flex-direction: column; gap: var(--space-1); }
}

/* ---- Form fields ---- */
.form-disclaimer {
  background: var(--color-bg-page);
  border-radius: var(--radius-card);
  padding: var(--space-3);
  font: 400 var(--text-small) var(--font-body);
  color: rgba(18,21,26,0.75);
  margin-bottom: var(--space-4);
}
.form-group { margin-bottom: var(--space-5); }
.form-group__title { font: 600 var(--text-h3) var(--font-display); margin-bottom: var(--space-3); }
.field { margin-bottom: var(--space-3); }
.field__label { display: block; font: 600 var(--text-small) var(--font-body); color: var(--color-ink); margin-bottom: var(--space-1); }
.field__hint { display: block; font: 400 var(--text-small) var(--font-body); color: rgba(18,21,26,0.6); margin-top: 4px; }
.field__input {
  width: 100%;
  padding: var(--space-2);
  border: 1px solid rgba(18,21,26,0.2);
  border-radius: var(--radius-sm);
  font: 400 var(--text-body) var(--font-body);
  background: var(--color-white);
}
.field__input:focus { outline: 2px solid var(--color-gold); outline-offset: 1px; border-color: var(--color-gold); }
.field__error { color: var(--color-red); font-size: var(--text-small); margin-top: 4px; }
.field-row { display: flex; gap: var(--space-3); }
.field-row .field { flex: 1; }

@media (max-width: 639px) {
  .field-row { flex-direction: column; gap: 0; }
}

/* ---- Marquee / infinite-loop divider ---- */
.marquee-wrapper { overflow: hidden; }
.marquee-track { display: flex; align-items: center; gap: var(--space-3); width: max-content; animation: scroll-left 25s linear infinite; --marquee-height: 100; }
.marquee-track img { height: 100px; width: auto; flex-shrink: 0; }
@keyframes scroll-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---- Two-up strategy cards (Company overview) ---- */
.strategy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.strategy-card { background: var(--color-bg-page); border-radius: var(--radius-card); padding: var(--space-4); }
.strategy-card__icon { width: 56px; height: 56px; margin-bottom: var(--space-3); }
.strategy-card h3 { margin-bottom: var(--space-2); }
.strategy-card ul { display: flex; flex-direction: column; gap: var(--space-1); }
.strategy-card li { font: 400 var(--text-body) var(--font-body); position: relative; padding-left: var(--space-2); }
.strategy-card li::before { content: '—'; position: absolute; left: 0; color: var(--color-gold); }

@media (max-width: 1023px) {
  .strategy-grid { grid-template-columns: 1fr; }
}

/* ---- Basin map + route ribbon (Company overview) ---- */
.map-section-wrap { position: relative; overflow: hidden; }
.map-section-wrap__bg {
  position: absolute;
  z-index: 0;
  top: -10%;
  right: -5%;
  width: 55%;
  min-width: 420px;
  opacity: 0.1;
  pointer-events: none;
}
.map-section { position: relative; }
.map-section__image {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-card);
  width: 100%;
  height: auto;
  display: block;
}

/* ---- Timeline ---- */
.timeline { display: flex; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.timeline__item { flex: 1; min-width: 160px; border-top: 2px solid var(--color-gold); padding-top: var(--space-2); }
.timeline__year { font: 600 var(--text-h3) var(--font-display); color: var(--color-gold); }
.timeline__desc { font: 400 var(--text-body) var(--font-body); margin-top: 4px; }

/* ---- Tax benefit diagram ---- */
.tax-diagram { display: flex; align-items: center; gap: var(--space-4); }
.tax-diagram__bar { flex: 1; display: flex; height: 260px; border-radius: var(--radius-card); overflow: hidden; }
.tax-diagram__segment { display: flex; flex-direction: column; justify-content: flex-end; padding: var(--space-2); color: var(--color-white); }
.tax-diagram__segment--deduction { background: var(--color-gold); color: var(--color-ink); flex: 0 0 80%; }
.tax-diagram__segment--remainder { background: var(--color-ink); flex: 0 0 20%; }
.tax-diagram__pct { font: 600 40px var(--font-display); }
.tax-diagram__label { font: 400 var(--text-small) var(--font-body); }

@media (max-width: 639px) {
  .tax-diagram { flex-direction: column; }
  .tax-diagram__bar { flex-direction: column; width: 100%; height: auto; }
  .tax-diagram__segment--deduction { flex: 0 0 220px; }
  .tax-diagram__segment--remainder { flex: 0 0 60px; }
}

/* ---- Investing steps ---- */
.steps { display: flex; flex-direction: column; gap: var(--space-4); }
.step { display: flex; gap: var(--space-3); align-items: flex-start; }
.step__number { font: 600 var(--text-h1) var(--font-display); color: var(--color-gold); line-height: 1; }
.step__body h3 { margin-bottom: var(--space-1); }

/* ---- Purchasers logo grid ---- */
.logo-grid { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--space-6); padding: var(--space-5) var(--space-3); }
.logo-grid img { max-height: 56px; width: auto; object-fit: contain; }

/* ---- Purchasers vertical timeline ---- */
.purchaser-timeline { position: relative; max-width: 760px; margin: 0 auto; padding: var(--space-4) 0; }
.purchaser-timeline::before {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  background: rgba(201,162,39,0.3);
  transform: translateX(-50%);
}
.purchaser-timeline__item { position: relative; display: grid; grid-template-columns: 1fr 48px 1fr; align-items: center; margin-bottom: var(--space-4); }
.purchaser-timeline__dot {
  grid-column: 2;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 3px solid var(--color-bg-surface);
  box-shadow: 0 0 0 2px rgba(201,162,39,0.3);
  justify-self: center;
  z-index: 1;
}
.purchaser-timeline__card {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-bg-page);
  border-radius: var(--radius-card);
  padding: var(--space-2) var(--space-3);
}
.purchaser-timeline__card img { max-height: 40px; width: auto; object-fit: contain; }
.purchaser-timeline__name { font: 500 var(--text-body) var(--font-body); color: var(--color-ink); }
.purchaser-timeline__item--left .purchaser-timeline__card { grid-column: 1; justify-self: end; }
.purchaser-timeline__item--right .purchaser-timeline__card { grid-column: 3; justify-self: start; }

@media (max-width: 639px) {
  .purchaser-timeline::before { left: 20px; }
  .purchaser-timeline__item { grid-template-columns: 40px 1fr; }
  .purchaser-timeline__dot { grid-column: 1; }
  .purchaser-timeline__item--left .purchaser-timeline__card,
  .purchaser-timeline__item--right .purchaser-timeline__card { grid-column: 2; justify-self: start; }
}

/* ---- Contact page layout ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-5); align-items: start; }

@media (max-width: 1023px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---- Map embed (Contact page) ---- */
.map-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.map-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---- Compass burst backdrop (Investing page, behind form) ---- */
.form-section { position: relative; overflow: hidden; }
.form-section__backdrop {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 900px;
  max-width: none;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}
.form-section__inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }