/* ============================================================
   VSPOKE — marketing site styles (white edition)
   ============================================================ */

.bp-desk { display: none; }
@media (min-width: 800px) { .bp-desk { display: inline; } }

/* ================= NAV ================= */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
  padding-top: env(safe-area-inset-top);
  transform: translateY(-102%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.5s var(--ease-out), opacity 0.4s var(--ease-out);
}
.nav.is-scrolled {
  transform: none;
  opacity: 1;
  pointer-events: auto;
}
@media (prefers-reduced-motion: reduce) {
  .nav { transition: none; }
}
.nav__inner {
  max-width: 1360px;
  margin-inline: auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links {
  display: none;
  gap: 34px;
  margin-left: auto;
}
.nav__links a {
  font-family: var(--f-sans);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--umber);
  transition: color 0.25s var(--ease-out);
}
.nav__links a:hover { color: var(--gold); }
.nav__cta {
  margin-left: auto;
  padding: 12px 18px;
  font-size: 10px;
  letter-spacing: 0.2em;
}
@media (min-width: 480px) {
  .nav__cta { padding: 12px 26px; font-size: 10.5px; letter-spacing: 0.28em; }
}
@media (min-width: 900px) {
  .nav__links { display: flex; }
  .nav__cta { margin-left: 0; }
}

/* ================= HERO ================= */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #08070A;
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 62% 52% at 50% 50%, rgba(8, 7, 10, 0.6) 0%, rgba(8, 7, 10, 0.24) 55%, rgba(8, 7, 10, 0) 100%),
    linear-gradient(to bottom, rgba(8, 7, 10, 0.3) 0%, rgba(8, 7, 10, 0) 25%, rgba(8, 7, 10, 0) 72%, rgba(8, 7, 10, 0.55) 100%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 100px var(--gutter);
  pointer-events: none;
}
.hero__title {
  font-size: clamp(48px, 8.6vw, 112px);
  line-height: 1.05;
  color: #FBF9F5;
  letter-spacing: 0.015em;
  margin: 0;
  text-wrap: balance;
  text-shadow: 0 2px 40px rgba(8, 7, 10, 0.5);
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.hero__scroll .label { color: rgba(251, 249, 245, 0.6); margin: 0; }
.hero__scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--gold-burnish), transparent);
  animation: scrollPulse 2.4s var(--ease-inout) infinite;
  transform-origin: top;
}
@keyframes scrollPulse {
  0% { transform: scaleY(0); opacity: 0; }
  35% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__scroll-line { animation: none; }
}

/* staged hero entrance */
.hero .reveal { transition-delay: 0.2s; }

/* ================= SECTION RHYTHM ================= */

.problem, .journey, .membership, .faq { padding: clamp(90px, 12vw, 160px) 0; }

section .label { display: block; margin-bottom: 22px; }

/* ================= PROBLEM ================= */

.problem { background: #FFFFFF; border-top: 1px solid var(--hairline); }
.problem__title {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.12;
  margin-bottom: 28px;
  max-width: 20ch;
}
.problem__lede {
  color: var(--umber);
  font-size: clamp(17px, 1.3vw, 20px);
  max-width: 62ch;
  margin: 0 0 64px;
}
.contrast {
  border-top: 1px solid var(--hairline);
}
.contrast__head, .contrast__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 48px;
  padding: 22px 0;
  border-bottom: 1px solid var(--hairline);
}
@media (min-width: 720px) {
  .contrast__head, .contrast__row { grid-template-columns: 1fr 1fr; gap: 48px; }
}
.contrast__head { padding: 16px 0; }
.contrast__row p { margin: 0; }
.contrast__row p:first-child {
  color: var(--umber);
}
.contrast__row p:last-child {
  position: relative;
  padding-left: 26px;
  font-weight: 500;
}
.contrast__row p:last-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 14px;
  height: 1px;
  background: var(--gold);
}

/* ================= JOURNEY ================= */

.journey { background: var(--ivory-deep); }
.journey__title {
  font-size: clamp(32px, 4.6vw, 56px);
  margin-bottom: 72px;
}
.journey__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 900px) {
  .journey__steps { grid-template-columns: repeat(5, 1fr); gap: 40px; }
}
.journey__step {
  border-top: 1px solid var(--gold);
  padding: 26px 0 34px;
}
.journey__num {
  font-family: var(--f-display);
  font-size: clamp(34px, 3vw, 44px);
  color: var(--gold);
  display: block;
  margin-bottom: 14px;
}
.journey__step h3 {
  font-family: var(--f-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.journey__step p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--umber);
}
@media (min-width: 900px) {
  .journey__step:nth-child(1) { transition-delay: 0.0s; }
  .journey__step:nth-child(2) { transition-delay: 0.12s; }
  .journey__step:nth-child(3) { transition-delay: 0.24s; }
  .journey__step:nth-child(4) { transition-delay: 0.36s; }
  .journey__step:nth-child(5) { transition-delay: 0.48s; }
}

/* ================= SCIENCE ================= */

.science {
  background: #FFFFFF;
  color: var(--ink);
  padding: clamp(100px, 13vw, 180px) 0;
}
.science__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: center;
}
@media (min-width: 980px) {
  .science__grid { grid-template-columns: 6fr 5fr; gap: 96px; }
}
.science__partner {
  height: 26px;
  width: auto;
  margin-bottom: 30px;
}
.science__title {
  color: var(--ink);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.12;
  margin-bottom: 26px;
}
.science__copy p { max-width: 56ch; color: #3d3833; }
.science__copy em {
  font-style: normal;
  color: var(--gold);
}
.science__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  margin-top: 52px;
  border-top: 1px solid var(--hairline);
  padding-top: 36px;
}
.science__fact { display: flex; flex-direction: column; gap: 8px; }
.science__fact .label--stone { color: var(--umber); }
.science__fact-num {
  font-family: var(--f-display);
  font-size: clamp(40px, 4vw, 56px);
  line-height: 1;
  color: var(--gold);
}
.science__figure { margin: 0; }
.science__canvas {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #FFFFFF;
  border: 1px solid var(--hairline);
}
.science__figure figcaption {
  margin-top: 18px;
  text-align: center;
}
.science__figure .label--stone { color: var(--umber); }

/* ================= PHILOSOPHY ================= */

.philosophy {
  background: var(--ivory-deep);
  padding: clamp(110px, 14vw, 190px) 0;
  text-align: center;
}
.philosophy__fp {
  width: 44px;
  height: auto;
  color: var(--gold);
  margin: 0 auto 36px;
}
.philosophy__quote {
  font-family: var(--f-display);
  font-size: clamp(30px, 5vw, 64px);
  line-height: 1.18;
  margin: 0 auto;
  max-width: 22ch;
  text-wrap: balance;
}

/* ================= MEMBERSHIP ================= */

.membership { background: #FFFFFF; }
.membership__title {
  font-size: clamp(32px, 4.6vw, 56px);
  margin-bottom: 64px;
}
.tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: stretch;
}
@media (min-width: 880px) {
  .tiers { grid-template-columns: 1fr 1fr; gap: 36px; }
  .tier--precision { transform: translateY(-18px); }
}
.tier {
  padding: clamp(34px, 4vw, 54px);
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
}
.tier--essential {
  border: 1px solid var(--hairline);
}
.tier--precision {
  border: 1px solid var(--gold);
  box-shadow: 0 30px 70px -35px rgba(20, 18, 16, 0.25);
}
.tier__price {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 26px 0 30px;
}
.tier__amount {
  font-family: var(--f-display);
  font-size: clamp(52px, 5vw, 68px);
  line-height: 1;
  color: var(--ink);
}
.tier--precision .tier__amount { color: var(--gold); }
.tier__per {
  font-family: var(--f-sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--umber);
}
.tier__alt { font-size: 12px; opacity: 0.85; }
.tier__list {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  flex-grow: 1;
}
.tier__list li {
  position: relative;
  padding: 12px 0 12px 30px;
  border-bottom: 1px solid var(--hairline);
  font-size: 16.5px;
  line-height: 1.5;
}
.tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55em;
  width: 14px;
  height: 1px;
  background: var(--gold);
}
.tier__cta { align-self: flex-start; }
@media (max-width: 560px) {
  .tiers { grid-template-columns: minmax(0, 1fr); }
  .tier { min-width: 0; }
  .tier__cta {
    align-self: stretch;
    white-space: normal;
    text-align: center;
    padding: 16px 20px;
    letter-spacing: 0.2em;
  }
}
.membership__note {
  margin-top: 56px;
  text-align: center;
  color: var(--umber);
  font-style: italic;
}

/* ================= FAQ ================= */

.faq { background: var(--ivory-deep); }
.faq__title {
  font-size: clamp(32px, 4.6vw, 52px);
  margin-bottom: 48px;
}
.faq__item {
  border-top: 1px solid var(--hairline);
}
.faq__item:last-of-type { border-bottom: 1px solid var(--hairline); }
.faq__item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  font-family: var(--f-display);
  font-size: clamp(19px, 1.6vw, 23px);
  transition: color 0.25s var(--ease-out);
  min-height: 44px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: 26px;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item summary:hover { color: var(--gold); }
.faq__item p {
  margin: 0 0 26px;
  max-width: 60ch;
  color: var(--umber);
}

/* ================= CLOSER ================= */

.closer {
  background: #FFFFFF;
  padding: clamp(110px, 14vw, 190px) 0;
  text-align: center;
}
.closer__inner { display: flex; flex-direction: column; align-items: center; }
.closer__fp {
  width: 52px;
  height: auto;
  color: var(--gold);
  margin-bottom: 40px;
}
.closer__title {
  color: var(--ink);
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.16;
  margin-bottom: 44px;
  text-wrap: balance;
}
.closer__hint { margin-top: 26px; }
.closer .label--stone { color: var(--umber); }

/* ================= FOOTER ================= */

.footer {
  background: #FFFFFF;
  border-top: 1px solid var(--hairline);
  padding: 56px 0 calc(40px + env(safe-area-inset-bottom));
  color: var(--umber);
}
.footer__grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--hairline);
}
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}
.footer__links a {
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--umber);
  transition: color 0.25s var(--ease-out);
  padding: 10px 0;
}
.footer__links a:hover { color: var(--gold); }
.footer__partner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 30px;
}
.footer__partner img { height: 14px; width: auto; opacity: 0.65; }
.footer__partner span {
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--umber);
}
.footer__legal {
  padding-top: 18px;
  font-family: var(--f-sans);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: rgba(107, 98, 87, 0.85);
}
.footer__legal p { margin: 0 0 10px; max-width: 72ch; }