/* ============================================================
   SoulStones — Our Story page styles
   Extends styles.css design tokens. No new design language.
   ============================================================ */

/* ----------------------------- Section Spacing ----------------------------- */
/* Ensures consistent, generous vertical breathing room across all sections.
   Using specific selector classes (.section.os-*) to override the adjacent
   combinator rule (.section + .section { padding-top: 0 !important; }) in styles.css. */
.section.os-intro,
.section.os-philosophy,
.section.os-why,
.section.os-different,
.section.os-promise,
.section.os-mission {
  padding-top: clamp(80px, 10vw, 120px) !important;
  padding-bottom: clamp(80px, 10vw, 120px) !important;
}

/* Section Header Margins */
.section-head {
  margin-bottom: clamp(40px, 6vw, 64px);
}
.section-title {
  margin-bottom: 18px;
}

/* ----------------------------- Hero ----------------------------- */
.os-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(540px, 80vh, 820px);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.os-hero-media {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover;
  background-position: center 40%;
  transform: scale(1.04);
  transition: transform 8s ease-out;
}
.os-hero-media.loaded { transform: scale(1); }
.os-hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(
    160deg,
    rgba(22, 18, 11, 0.82) 0%,
    rgba(22, 18, 11, 0.62) 52%,
    rgba(22, 18, 11, 0.8) 100%
  );
}
.os-hero-inner {
  text-align: center;
  max-width: 52rem;
  margin-inline: auto;
  padding-block: 80px 72px;
}
.os-hero-accent {
  font-family: var(--font-script);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  color: var(--gold-soft);
  margin: 0 0 16px;
  line-height: 1.2;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.os-hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 6.4vw, 5rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--gold);
  margin: 0 0 22px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s .12s var(--ease), transform .8s .12s var(--ease);
}
.os-hero-sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.9vw, 1.2rem);
  line-height: 1.7;
  color: var(--on-black-muted);
  max-width: 48ch;
  margin: 0 auto 36px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s .24s var(--ease), transform .8s .24s var(--ease);
}
.os-hero-cta {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .7s .36s var(--ease), transform .7s .36s var(--ease);
}
.os-hero-inner.is-in .os-hero-accent,
.os-hero-inner.is-in .os-hero-title,
.os-hero-inner.is-in .os-hero-sub,
.os-hero-inner.is-in .os-hero-cta {
  opacity: 1;
  transform: none;
}
/* Scroll indicator */
.os-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--gold-soft);
  opacity: 0.7;
  animation: osScrollBounce 2s ease-in-out infinite;
  text-decoration: none;
}
.os-scroll-hint span {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}
@keyframes osScrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ----------------------------- Reveal utility ----------------------------- */
.os-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.os-reveal.is-in { opacity: 1; transform: none; }
.os-reveal[data-delay="1"] { transition-delay: .1s; }
.os-reveal[data-delay="2"] { transition-delay: .2s; }
.os-reveal[data-delay="3"] { transition-delay: .3s; }
.os-reveal[data-delay="4"] { transition-delay: .4s; }
.os-reveal[data-delay="5"] { transition-delay: .5s; }

/* ----------------------------- Introduction ----------------------------- */
.os-intro { background: var(--bg); }
.os-intro-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.os-intro-figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: var(--sh-hover);
  aspect-ratio: 4 / 5;
}
.os-intro-figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease);
}
.os-intro-figure:hover img { transform: scale(1.04); }
.os-intro-kicker {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0 0 16px;
}
.os-intro-copy p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.88;
  max-width: 58ch;
  margin: 0 0 20px;
}
.os-intro-copy p:last-child { margin-bottom: 0; }

/* ----------------------------- Philosophy ----------------------------- */
.os-philosophy { background: var(--black); color: var(--on-black); }
.os-philosophy .section-title { color: var(--gold); }
.os-philosophy .section-head { text-align: center; margin-inline: auto; }
.os-phi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: clamp(36px, 5vw, 56px);
}
.os-phi-card {
  background: var(--black-soft);
  border: 1px solid var(--hairline-on-black);
  border-radius: var(--r-card);
  padding: clamp(24px, 4vw, 36px);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.os-phi-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}
.os-phi-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(201, 162, 75, 0.12);
  border: 1px solid var(--hairline-on-black);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  margin-bottom: 20px;
}
.os-phi-card h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gold-soft);
  margin: 0 0 12px;
  letter-spacing: normal;
}
.os-phi-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--on-black-muted);
  margin: 0;
}

/* ----------------------------- Why Choose Us ----------------------------- */
.os-why { background: var(--bg); }
.os-why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.os-why-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  padding: clamp(24px, 4vw, 36px);
  box-shadow: var(--sh-rest);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}
.os-why-card:hover {
  box-shadow: var(--sh-hover);
  transform: translateY(-3px);
  border-color: var(--hairline-gold);
}
.os-why-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-pill);
  background: var(--bg);
  border: 1px solid var(--hairline-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-deep);
  flex-shrink: 0;
}
.os-why-card h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gold-deep);
  margin: 0;
  letter-spacing: normal;
}
.os-why-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* ----------------------------- What Makes Us Different ----------------------------- */
.os-different { background: var(--surface); }
.os-different-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.os-diff-figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: var(--sh-hover);
  aspect-ratio: 4 / 5;
}
.os-diff-figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease);
}
.os-diff-figure:hover img { transform: scale(1.04); }
.os-diff-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.os-diff-item {
  display: flex;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
  align-items: flex-start;
}
.os-diff-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.os-diff-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
  flex-shrink: 0;
  width: 36px;
  padding-top: 2px;
}
.os-diff-item h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gold-deep);
  margin: 0 0 10px;
  letter-spacing: normal;
}
.os-diff-item p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* ----------------------------- Our Promise ----------------------------- */
.os-promise { background: var(--black); color: var(--on-black); }
.os-promise-inner {
  text-align: center;
  max-width: 52rem;
  margin-inline: auto;
}
.os-promise-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  letter-spacing: -0.02em;
  color: var(--gold);
  margin: 0 0 20px;
}
.os-promise-body {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--on-black-muted);
  max-width: 54ch;
  margin: 0 auto 36px;
}
.os-promise-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: clamp(36px, 5vw, 52px);
  text-align: left;
}
.os-promise-item {
  background: rgba(201, 162, 75, 0.07);
  border: 1px solid var(--hairline-on-black);
  border-radius: var(--r-card);
  padding: 28px 24px;
  transition: border-color .2s var(--ease);
}
.os-promise-item:hover { border-color: var(--gold); }
.os-promise-item h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold-soft);
  margin: 0 0 10px;
  letter-spacing: normal;
}
.os-promise-item p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--on-black-muted);
  margin: 0;
}

/* ----------------------------- Mission & Vision ----------------------------- */
.os-mission { background: var(--bg); }
.os-mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.os-mv-card {
  background: var(--surface);
  border-radius: var(--r-card);
  border: 1px solid var(--hairline);
  padding: clamp(32px, 5vw, 56px);
  box-shadow: var(--sh-rest);
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s var(--ease), transform .2s var(--ease);
}
.os-mv-card:hover { box-shadow: var(--sh-hover); transform: translateY(-3px); }
.os-mv-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-soft) 100%);
}
.os-mv-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0 0 18px;
}
.os-mv-card h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  color: var(--gold-deep);
  margin: 0 0 18px;
}
.os-mv-card p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.86;
  margin: 0;
  max-width: 44ch;
}

/* ----------------------------- Trust Stats ----------------------------- */
/* Reuses .stats-band from styles.css — no override needed */

/* ----------------------------- Closing CTA ----------------------------- */
.os-closing {
  position: relative;
  isolation: isolate;
  min-height: 480px;
  display: flex;
  align-items: center;
  text-align: center;
  overflow: hidden;
}
.os-closing-media {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover;
  background-position: center 55%;
}
.os-closing-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(22,18,11,0.72) 0%, rgba(22,18,11,0.6) 50%, rgba(22,18,11,0.78) 100%);
}
.os-closing-inner {
  max-width: 48rem;
  margin-inline: auto;
  padding-block: 72px;
}
.os-closing-quote {
  font-family: var(--font-script);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--gold-soft);
  line-height: 1.4;
  margin: 0 0 12px;
}
.os-closing-attr {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(232, 213, 168, 0.6);
  margin: 0 0 36px;
}
.os-closing-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  color: var(--gold);
  margin: 0 0 16px;
}
.os-closing-sub {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--on-black-muted);
  max-width: 46ch;
  margin: 0 auto 36px;
}
.os-closing-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ----------------------------- Responsive ----------------------------- */
@media (max-width: 980px) {
  .os-intro-inner { grid-template-columns: 1fr; gap: 36px; }
  .os-intro-figure { aspect-ratio: 16 / 9; max-width: 520px; }
  .os-different-inner { grid-template-columns: 1fr; gap: 36px; }
  .os-diff-figure { aspect-ratio: 16 / 9; max-width: 520px; }
  .os-promise-items { grid-template-columns: repeat(2, 1fr); }
  .os-mv-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .os-phi-grid { grid-template-columns: 1fr; }
  .os-why-grid { grid-template-columns: 1fr; }
  .os-promise-items { grid-template-columns: 1fr; }
  .os-closing-btns .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .os-hero-media { transition-duration: .001ms; }
  .os-reveal, .os-hero-inner * { transition-duration: .001ms !important; }
  .os-scroll-hint { animation: none; }
}