/* =============================================================
   BONAVIOX · OUR STORY PAGE
   Editorial magazine spread · navy + paper · big serif + drop-cap
   Body floor 16px (eyebrow + label exceptions).
   ============================================================= */

/* Site chrome */
.grain {
  position: fixed; inset: 0;
  z-index: 99; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.93 0 0 0 0 0.91 0 0 0 0 0.87 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 240px;
}
.ex-body { cursor: none; }
.ex-body a, .ex-body button, .ex-body input, .ex-body label { cursor: none; }
.cursor-halo {
  position: fixed; top: 0; left: 0;
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid rgba(200, 154, 132, 0.7);
  pointer-events: none;
  transform: translate(calc(var(--ex-cursor-x, 50vw) - 16px), calc(var(--ex-cursor-y, 50vh) - 16px));
  transition: transform 80ms linear;
  z-index: 200; mix-blend-mode: difference;
}
.container.container--wide { max-width: 1520px; }

/* =============================================================
   1 · HERO · EDITORIAL OPENING
   ============================================================= */
.os-hero {
  position: relative;
  isolation: isolate;
  padding-top: var(--sp-9);
  padding-bottom: var(--sp-10);
}
.os-hero-atmosphere {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(40% 50% at 8% 8%, rgba(200,154,132,0.10) 0%, transparent 65%),
    radial-gradient(50% 60% at 100% 100%, rgba(22,54,92,0.7) 0%, transparent 70%),
    linear-gradient(180deg, var(--bv-navy-1000) 0%, var(--bv-navy-900) 55%, var(--bv-navy-800) 100%);
}
.os-hero > .container { position: relative; z-index: 1; }
.os-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}
.os-hero-text { max-width: 760px; }
.os-hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 var(--sp-6);
  padding: 5px 14px;
  border: 1px solid var(--hairline-soft);
  border-radius: 999px;
}
.os-hero-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}
.os-hero-lead {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.45;
  color: var(--fg-1);
  letter-spacing: -0.005em;
  margin: var(--sp-5) 0 var(--sp-4);
  max-width: 680px;
}
.os-hero-sub {
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.7;
  color: var(--fg-2);
  margin: 0;
  max-width: 620px;
}

/* Portrait frame */
.os-hero-portrait {
  margin: 0;
  position: relative;
}
.os-hero-portrait-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--r-4);
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 35% 30%, rgba(200,154,132,0.22) 0%, transparent 65%),
    linear-gradient(160deg, var(--bv-navy-800) 0%, var(--bv-navy-1000) 100%);
  border: 1px solid var(--hairline);
  box-shadow: 0 30px 80px rgba(8, 18, 33, 0.45);
}
.os-hero-portrait-frame img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.92;
}
.os-portrait-eyebrow {
  position: absolute;
  top: 24px; left: 24px;
  z-index: 2;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}
.os-portrait-rule {
  position: absolute;
  bottom: 72px;
  left: 28px;
  width: 56px;
  height: 1px;
  background: var(--accent);
  opacity: 0.8;
  z-index: 2;
}
.os-portrait-signature {
  position: absolute;
  bottom: 28px; left: 28px;
  right: 28px;
  z-index: 2;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 2vw, 26px);
  color: var(--fg-1);
  letter-spacing: -0.005em;
}
.os-hero-portrait figcaption {
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
  text-align: right;
}

/* =============================================================
   2 · NARRATIVE · long-form chapter with margin folio
   ============================================================= */
.os-narrative {
  background:
    radial-gradient(60% 50% at 0% 0%, rgba(22, 54, 92, 0.6) 0%, transparent 70%),
    var(--bv-navy-900);
}
.os-chapter-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 80px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}
.os-chapter-margin {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--hairline);
}
.os-chapter-folio {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--accent);
}
.os-chapter-cat {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.os-chapter-body { max-width: 720px; }
.os-chapter-body .display-2 { margin-bottom: var(--sp-6); line-height: 1.04; }
.os-narrative-body {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.72;
  color: var(--fg-2);
  margin: 0 0 var(--sp-5);
  text-wrap: pretty;
}
.os-narrative-body em {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--fg-1);
  letter-spacing: -0.005em;
}
/* Drop-cap on the first chapter paragraph */
.os-dropcap::first-letter {
  font-family: var(--font-display);
  font-size: 4em;
  float: left;
  line-height: 0.9;
  margin: 6px 14px 0 0;
  color: var(--accent);
  font-style: italic;
}
.os-pullquote {
  margin: var(--sp-6) 0;
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.35;
  color: var(--fg-1);
  letter-spacing: -0.005em;
  text-wrap: pretty;
}
.os-pullquote cite {
  display: block;
  margin-top: var(--sp-3);
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* =============================================================
   3 · WHY BONAVIOX EXISTS (paper)
   ============================================================= */
.os-gap {
  background:
    radial-gradient(60% 50% at 20% 10%, rgba(216,196,178,0.55) 0%, transparent 65%),
    radial-gradient(50% 50% at 80% 90%, rgba(244,222,207,0.5) 0%, transparent 70%),
    var(--bv-paper);
  color: var(--fg-on-paper-1);
}
.os-gap .hairline-short { background: var(--bv-rose-600); }
.os-gap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline-paper);
}
.os-gap-card {
  padding: var(--sp-6) var(--sp-5);
  border-right: 1px solid var(--hairline-paper);
  border-bottom: 1px solid var(--hairline-paper);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.os-gap-card:nth-child(2n) { border-right: 0; }
.os-gap-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  color: var(--bv-rose-600);
  letter-spacing: 0.04em;
}
.os-gap-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 400;
  color: var(--bv-navy-900);
  margin: 0;
  letter-spacing: -0.012em;
  line-height: 1.15;
}
.os-gap-card p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(27, 27, 27, 0.78);
  margin: 0;
}

/* =============================================================
   4 · STANDARDS · ordered list of 4 rows
   ============================================================= */
.os-standards {
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(200,154,132,0.06) 0%, transparent 70%),
    var(--bv-navy-1000);
}
.os-std-list {
  list-style: none;
  margin: var(--sp-7) 0 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}
.os-std-row {
  display: grid;
  grid-template-columns: 80px 1fr 200px;
  gap: 32px;
  padding: var(--sp-6) 0;
  border-bottom: 1px solid var(--hairline);
  align-items: start;
  position: relative;
  transition: background var(--dur-base) var(--ease-out);
}
.os-std-row::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out), width var(--dur-slow) var(--ease-out);
}
.os-std-row:hover::before { width: 3px; opacity: 0.6; }
.os-std-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 3.6vw, 56px);
  font-style: italic;
  color: var(--accent);
  letter-spacing: -0.01em;
  line-height: 1;
}
.os-std-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 400;
  color: var(--fg-1);
  margin: 0 0 var(--sp-3);
  letter-spacing: -0.012em;
  line-height: 1.18;
}
.os-std-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-2);
  margin: 0;
  max-width: 560px;
}
.os-std-meta {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  text-align: right;
}

/* =============================================================
   5 · MISSION (paper)
   ============================================================= */
.os-mission {
  background:
    radial-gradient(50% 50% at 80% 20%, rgba(244,222,207,0.55) 0%, transparent 65%),
    radial-gradient(60% 50% at 20% 90%, rgba(216,196,178,0.45) 0%, transparent 70%),
    var(--bv-paper);
  color: var(--fg-on-paper-1);
}
.os-mission .hairline-short { background: var(--bv-rose-600); }
.os-mission-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 72px;
  align-items: center;
}
.os-mission-text { max-width: 620px; }
.os-mission-body {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.72;
  color: rgba(27, 27, 27, 0.78);
  margin: 0 0 var(--sp-4);
  text-wrap: pretty;
}
.os-mission-promise {
  list-style: none;
  margin: 0;
  padding: var(--sp-5);
  border: 1px solid var(--bv-paper-deep);
  border-radius: var(--r-3);
  background: rgba(255, 255, 255, 0.4);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.os-mission-promise li {
  padding: 18px 0;
  border-top: 1px solid var(--hairline-paper);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.os-mission-promise li:first-child { border-top: 0; padding-top: 0; }
.os-mission-promise li:last-child { padding-bottom: 0; }
.os-mission-promise span {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bv-rose-600);
}
.os-mission-promise strong {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.8vw, 24px);
  color: var(--bv-navy-900);
  letter-spacing: -0.012em;
  line-height: 1.25;
}

/* =============================================================
   6 · EUROPEAN NOTE · refined small card
   ============================================================= */
.os-europe {
  background:
    radial-gradient(50% 50% at 50% 50%, rgba(200,154,132,0.08) 0%, transparent 70%),
    var(--bv-navy-900);
}
.os-europe-card {
  max-width: 880px;
  margin: 0 auto;
  padding: var(--sp-7);
  border: 1px solid var(--hairline);
  border-radius: var(--r-4);
  background:
    linear-gradient(135deg, rgba(200,154,132,0.06) 0%, transparent 50%),
    rgba(244, 242, 238, 0.03);
  backdrop-filter: blur(6px);
  position: relative;
}
.os-europe-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 5px 12px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  margin-bottom: var(--sp-5);
}
.os-europe-card .display-3 { margin: 0 0 var(--sp-4); line-height: 1.2; }
.os-europe-card p {
  font-size: 16px;
  line-height: 1.72;
  color: var(--fg-2);
  margin: 0 0 var(--sp-3);
  max-width: 700px;
}
.os-europe-card p em {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--fg-1);
}
.os-europe-foot {
  font-family: var(--font-sans);
  font-size: 11.5px !important;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent) !important;
  margin-top: var(--sp-5) !important;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--hairline-soft);
}

/* =============================================================
   7 · FINAL CTA
   ============================================================= */
.os-final { padding-top: var(--sp-9); padding-bottom: var(--sp-9); }

/* =============================================================
   RESPONSIVE — 5 breakpoints
   ============================================================= */
@media (max-width: 1366px) {
  .os-hero-grid { gap: 56px; }
  .os-chapter-grid { gap: 56px; }
  .os-mission-grid { gap: 56px; }
}

@media (max-width: 1200px) {
  .os-hero-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .os-chapter-grid { grid-template-columns: 140px 1fr; }
  .os-std-row { grid-template-columns: 60px 1fr 160px; gap: 24px; }
  .os-mission-grid { grid-template-columns: 1fr; }
  .os-mission-promise { max-width: 520px; margin-top: var(--sp-6); }
}

@media (max-width: 1024px) {
  html, body { overflow-x: hidden; overflow-x: clip; max-width: 100%; }
  .section { overflow-x: clip; }
  .container,
  .container.container--wide {
    padding-left: 28px; padding-right: 28px;
    max-width: 100%; box-sizing: border-box;
  }

  .os-hero-grid { grid-template-columns: 1fr; gap: 48px; justify-items: center; }
  .os-hero-text { max-width: 720px; text-align: center; }
  .os-hero-text .hairline-short { margin-left: auto; margin-right: auto; transform-origin: center; }
  .os-hero-lead, .os-hero-sub { margin-left: auto; margin-right: auto; }
  .os-hero-portrait { max-width: 440px; width: 100%; }

  .os-chapter-grid { grid-template-columns: 1fr; gap: 24px; max-width: 720px; }
  .os-chapter-margin {
    position: relative; top: auto;
    flex-direction: row; gap: 16px;
    padding-top: 0; border-top: 0;
    align-items: center;
  }
  .os-chapter-body { max-width: 100%; }

  .os-gap-grid { grid-template-columns: 1fr; }
  .os-gap-card { border-right: 0; }
  .os-gap-card:last-child { border-bottom: 0; }

  .os-std-row { grid-template-columns: 60px 1fr; gap: 16px; }
  .os-std-meta { grid-column: 2; text-align: left; padding-top: 4px; }

  .os-mission-grid { grid-template-columns: 1fr; gap: 32px; justify-items: center; }
  .os-mission-text { text-align: center; }
  .os-mission-text .hairline-short { margin-left: auto; margin-right: auto; transform-origin: center; }
  .os-mission-body { margin-left: auto; margin-right: auto; }
  .os-mission-promise { width: 100%; max-width: 540px; }
}

@media (max-width: 880px) {
  .container,
  .container.container--wide { padding-left: 24px; padding-right: 24px; }
  .os-dropcap::first-letter { font-size: 3.2em; margin-right: 10px; }
}

@media (max-width: 767px) {
  .container,
  .container.container--wide { padding-left: 20px; padding-right: 20px; }
  .section { padding-top: var(--sp-7); padding-bottom: var(--sp-7); }

  .os-hero-text .display-hero { font-size: clamp(38px, 11vw, 56px); }
  .os-portrait-signature { font-size: 18px; }

  .os-chapter-margin { flex-direction: column; align-items: flex-start; gap: 4px; }
  .os-pullquote { font-size: 19px; }

  .os-std-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: var(--sp-5) 0;
  }
  .os-std-num { font-size: 36px; }
  .os-std-meta { grid-column: 1; }

  .os-europe-card { padding: var(--sp-5); }
}