/* ===== Variables ===== */
:root {
  --bg: #0a0a0a;
  --black: #000;
  --case-detail-bg: #f6efe9;
  --case-detail-ink: #1c1614;
  --case-detail-muted: #6b5f58;
  --case-detail-border: rgba(28, 22, 20, 0.1);
  --pink: #e84393;
  --pink-dark: #d63384;
  --purple: #9b59b6;
  --orange: #f39c12;
  --gold: #fbbf24;
  --white: #fff;
  --text-muted: rgba(255, 255, 255, 0.55);
  --text-dim: rgba(255, 255, 255, 0.45);
  --glass-border: rgba(255, 255, 255, 0.1);
  --max-w: 80rem;
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
  min-width: 0;
}

main {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  min-width: 0;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }

.font-serif { font-family: var(--font-serif); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(to right, var(--pink), var(--pink-dark));
  color: var(--white);
  box-shadow: 0 0 40px rgba(232, 67, 147, 0.4);
}

.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: 0 0 50px rgba(232, 67, 147, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(24px);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.05);
}

@media (min-width: 640px) { .btn-outline { display: inline-flex; } }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 1.25rem 1rem 0;
}

@media (min-width: 640px) { .header { padding: 1.25rem 1.5rem 0; } }
@media (min-width: 1024px) { .header { padding: 1.25rem 2.5rem 0; } }

.header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav { display: none; align-items: center; gap: 2rem; }

@media (min-width: 768px) { .nav { display: flex; } }

.nav a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}

.nav a:hover { color: var(--white); }

.header__actions { display: flex; align-items: center; gap: 0.75rem; }

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  color: var(--white);
}

@media (min-width: 768px) { .menu-toggle { display: none; } }

.mobile-nav {
  display: none;
  max-width: var(--max-w);
  margin: 1rem auto 0;
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(24px);
}

.mobile-nav.is-open { display: block; }

.mobile-nav a {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.mobile-nav a:hover { background: rgba(255, 255, 255, 0.05); color: var(--white); }

.mobile-nav .btn-outline {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right top;
  display: block;
}

@media (min-width: 1024px) {
  .hero__photo {
    object-position: 100% top;
  }
}

@media (max-width: 1023px) {
  .hero__media {
    overflow: hidden;
    right: 0;
    left: 0;
  }

  .hero__photo {
    width: 100%;
    max-width: 100%;
    object-fit: contain;
    object-position: right top;
    height: min(75vh, 520px);
    margin-left: auto;
  }
}

.hero__overlay-left {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right, rgba(10,10,10,0.75) 0%, rgba(10,10,10,0.25) 50%, transparent 100%);
}

@media (min-width: 640px) {
  .hero__overlay-left {
    background: linear-gradient(to right, rgba(10,10,10,0.8) 0%, rgba(10,10,10,0.15) 55%, transparent 100%);
  }
}

@media (min-width: 1024px) {
  .hero__overlay-left {
    background: linear-gradient(
      to right,
      var(--bg) 0%,
      var(--bg) 36%,
      rgba(10, 10, 10, 0.95) 42%,
      rgba(10, 10, 10, 0.75) 52%,
      rgba(10, 10, 10, 0.35) 68%,
      transparent 100%
    );
  }
}

.hero__overlay-bottom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 1;
  height: 6rem;
  background: linear-gradient(to top, rgba(10,10,10,0.8), transparent);
}

.hero__content {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem 0 2rem;
}

.hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

.hero__text { max-width: 36rem; }

.badge {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  max-width: 100%;
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(24px);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}

@media (min-width: 640px) { .badge { font-size: 0.875rem; } }

.badge__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 8px var(--pink);
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 7vw, 2.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
}

@media (min-width: 640px) { .hero__title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero__title { font-size: 3.25rem; } }

.hero__desc {
  margin-top: 1.25rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-muted);
}

@media (min-width: 640px) { .hero__desc { font-size: 1.125rem; } }

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* Social proof */
.social-proof {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.social-proof__avatars { display: flex; align-items: center; }

.avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 2px solid var(--bg);
  overflow: hidden;
  margin-left: -0.75rem;
  position: relative;
}

.avatar:first-child { margin-left: 0; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }

.avatar--count {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to bottom right, var(--pink), var(--pink-dark));
  font-size: 0.75rem;
  font-weight: 700;
  z-index: 0;
}

.social-proof__stars { display: flex; flex-direction: column; gap: 0.125rem; }
.stars { display: flex; gap: 2px; }
.social-proof__label { font-size: 0.75rem; color: rgba(255, 255, 255, 0.5); }

/* Feature bar */
.feature-bar {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1rem;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(40px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  width: fit-content;
  max-width: 100%;
}

@media (min-width: 640px) {
  .feature-bar {
    flex-wrap: nowrap;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
  }
}

@media (min-width: 1024px) {
  .feature-bar {
    gap: 1.25rem;
    padding: 0.75rem 1.5rem;
  }
}

.feature-bar__item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.feature-bar__divider {
  display: none;
  width: 1px;
  height: 2rem;
  background: rgba(255, 255, 255, 0.1);
}

@media (min-width: 640px) { .feature-bar__divider { display: block; } }

.feature-bar__icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-bar__icon--pink { background: rgba(232, 67, 147, 0.2); color: var(--pink); }
.feature-bar__icon--purple { background: rgba(155, 89, 182, 0.2); color: var(--purple); }
.feature-bar__icon--orange { background: rgba(243, 156, 18, 0.2); color: var(--orange); }

.feature-bar__label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.3;
}

@media (max-width: 479px) {
  .feature-bar__label {
    white-space: normal;
    font-size: 0.75rem;
  }
}

@media (min-width: 480px) {
  .feature-bar__label { white-space: nowrap; }
}

@media (min-width: 640px) { .feature-bar__label { font-size: 0.875rem; } }

.hero__feature-mobile {
  margin-top: 2.5rem;
}

.hero__feature-mobile .feature-bar {
  width: 100%;
  flex-wrap: wrap;
  justify-content: flex-start;
  overflow: visible;
}
@media (min-width: 1024px) { .hero__feature-mobile { display: none; } }

.hero__feature-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .hero__media .hero__feature-desktop {
    display: block;
    position: absolute;
    left: auto;
    right: 2.5rem;
    width: min(52vw, 42rem);
    bottom: 20%;
    z-index: 2;
    pointer-events: auto;
  }

  .hero__media .hero__feature-desktop .feature-bar {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow: visible;
    gap: 0.875rem;
    padding: 0.65rem 1rem;
  }

  .hero__media .hero__feature-desktop .feature-bar__label {
    font-size: 0.75rem;
  }
}

@media (min-width: 1280px) {
  .hero__media .hero__feature-desktop {
    left: 1.5rem;
    right: 1.5rem;
    bottom: 22%;
  }

  .hero__media .hero__feature-desktop .feature-bar__label {
    font-size: 0.8125rem;
  }
}

/* ===== Case Study ===== */
.case-study {
  background: var(--black);
  padding: 4rem 0;
  scroll-margin-top: 2rem;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

@media (min-width: 640px) { .case-study { padding: 5rem 0; } }
@media (min-width: 1024px) { .case-study { padding: 7rem 0; } }

.case-study__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .case-study__grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

.case-study__visual {
  order: 2;
  min-width: 0;
  overflow: hidden;
}

.case-study__content {
  order: 1;
  min-width: 0;
}

@media (min-width: 1024px) {
  .case-study__visual { order: 1; }
  .case-study__content { order: 2; }
}

/* Visual frame */
.visual-frame {
  position: relative;
  max-width: 580px;
  margin: 0 auto;
}

@media (min-width: 1024px) { .visual-frame { max-width: none; } }

.visual-frame__glow {
  position: absolute;
  bottom: -4rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(120%, 100vw);
  height: 14rem;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(232,67,147,0.35) 0%, rgba(155,89,182,0.18) 35%, transparent 75%);
  filter: blur(80px);
  pointer-events: none;
}

.visual-frame__glow--mid {
  bottom: -2rem;
  width: 100%;
  height: 10rem;
  background: radial-gradient(ellipse at center, rgba(232,67,147,0.5) 0%, rgba(200,80,160,0.2) 45%, transparent 80%);
  filter: blur(50px);
}

.visual-frame__outer {
  position: relative;
  border-radius: 28px;
  padding: 3px;
}

.visual-frame__outer::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: linear-gradient(to bottom right, rgba(255,255,255,0.2), rgba(255,255,255,0.06), rgba(255,255,255,0.12));
}

.visual-frame__inner {
  position: relative;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.75rem;
  backdrop-filter: blur(40px);
}

@media (min-width: 640px) { .visual-frame__inner { padding: 1rem; } }

.visual-frame__img-wrap {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

@media (min-width: 640px) { .visual-frame__img-wrap { border-radius: 22px; } }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 640px) { .tag { font-size: 11px; } }

.tag__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pink);
  flex-shrink: 0;
}

.case-study__title {
  margin-top: 1.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 5.5vw, 1.875rem);
  font-weight: 700;
  line-height: 1.15;
  overflow-wrap: break-word;
}

@media (min-width: 640px) { .case-study__title { font-size: 2.25rem; } }
@media (min-width: 1024px) { .case-study__title { font-size: 2.75rem; } }

.case-study__subtitle {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-dim);
}

@media (min-width: 640px) { .case-study__subtitle { font-size: 1rem; } }

.info-boxes { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }

.info-box {
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem 1.25rem;
}

@media (min-width: 640px) { .info-box { padding: 1.25rem 1.5rem; } }

.info-box__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--pink);
}

.info-box__text {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 640px) { .info-box__text { font-size: 15px; } }

/* Results grid */
.results-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

@media (min-width: 640px) { .results-grid { grid-template-columns: 1fr 1fr; gap: 1rem; } }

.result-card {
  position: relative;
  border-radius: 0.75rem;
  border: 1px solid;
  padding: 1rem 1.25rem;
  overflow: hidden;
}

.result-card__dot {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.result-card__value {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.result-card__label {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.5);
}

@media (min-width: 640px) { .result-card__label { font-size: 13px; } }

.result-card--pink { background: rgba(232,67,147,0.05); border-color: rgba(232,67,147,0.1); }
.result-card--pink .result-card__value { color: #f0a8c8; }
.result-card--pink .result-card__dot { background: rgba(232,67,147,0.4); }

.result-card--purple { background: rgba(155,89,182,0.05); border-color: rgba(155,89,182,0.1); }
.result-card--purple .result-card__value { color: #c9a8e0; }
.result-card--purple .result-card__dot { background: rgba(155,89,182,0.4); }

.result-card--blue { background: rgba(91,141,239,0.05); border-color: rgba(91,141,239,0.1); }
.result-card--blue .result-card__value { color: #a8c4f0; }
.result-card--blue .result-card__dot { background: rgba(91,141,239,0.4); }

.result-card--gold { background: rgba(212,160,84,0.05); border-color: rgba(212,160,84,0.1); }
.result-card--gold .result-card__value { color: #e8c990; }
.result-card--gold .result-card__dot { background: rgba(212,160,84,0.4); }

.results-footnote {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.35);
}

@media (min-width: 640px) { .results-footnote { font-size: 0.875rem; } }

.case-study__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding: 0;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: inherit;
  cursor: pointer;
  transition: color 0.2s;
}

.case-study__link:hover { color: var(--pink); }

.case-study__link.is-open .case-study__link-icon {
  transform: rotate(90deg);
}

.case-study__link-icon {
  display: inline-block;
  transition: transform 0.35s ease;
}

@media (min-width: 640px) { .case-study__link { font-size: 0.875rem; } }

@media (max-width: 639px) {
  .case-study__link {
    width: 100%;
    justify-content: space-between;
    padding: 0.65rem 0;
    min-height: 2.75rem;
  }
}

/* ===== Collapsible case study detail ===== */
.case-detail-panel {
  width: 100%;
  max-width: 100%;
  scroll-margin-top: 5rem;
}

.case-detail-panel__inner {
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  max-height: 0;
  transition: max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: max-height;
}

.case-detail-panel.is-open .case-detail-panel__inner {
  max-height: var(--panel-open-height, 12000px);
  overflow: visible;
}

@media (prefers-reduced-motion: reduce) {
  .case-detail-panel__inner,
  .case-study__link-icon {
    transition: none;
  }
}


/* ===== IBI Case Study (slide-down panel) ===== */

.ibi-cs {
  --ibi-cream: #f9f4f0;
  --ibi-ink: #1a1814;
  --ibi-ink-soft: #5c5650;
  --ibi-ink-muted: #8a8278;
  --ibi-olive: #3d422b;
  --ibi-olive-light: #eef0e8;
  --ibi-accent: #9a6b45;
  --ibi-accent-light: #c4a882;
  --ibi-accent-text: #b06d4d;
  --ibi-gold: #e9b44c;
  --ibi-white: #ffffff;
  --ibi-rule: rgba(26, 24, 20, 0.1);
  --ibi-shadow: 0 8px 32px rgba(26, 24, 20, 0.08);
  --ibi-radius: 1rem;
  --ibi-max: 76rem;

  width: 100%;
  max-width: 100%;
  background: var(--ibi-cream);
  color: var(--ibi-ink);
  font-family: var(--font-sans);
  position: relative;
  overflow-x: hidden;
  box-sizing: border-box;
}

.ibi-cs *,
.ibi-cs *::before,
.ibi-cs *::after {
  box-sizing: border-box;
}

.ibi-cs :where(p, li, h1, h2, h3, span, td, th) {
  overflow-wrap: break-word;
  word-break: break-word;
}

.ibi-cs__close {
  position: absolute;
  top: max(1rem, env(safe-area-inset-top, 0px));
  right: max(1rem, env(safe-area-inset-right, 0px));
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--ibi-rule);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ibi-ink-soft);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.ibi-cs__close:hover,
.ibi-cs__close:focus-visible {
  color: var(--ibi-accent);
  border-color: var(--ibi-accent-light);
}

.ibi-cs__close:focus-visible {
  outline: 2px solid var(--ibi-accent);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .ibi-cs__close {
    top: max(1.25rem, env(safe-area-inset-top, 0px));
    right: max(1.5rem, env(safe-area-inset-right, 0px));
  }
}

/* Hero */
.ibi-cs-hero {
  position: relative;
  padding: 4.75rem 0 2.5rem;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .ibi-cs-hero { padding: 4rem 0 3.5rem; }
}

.ibi-cs-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.ibi-cs-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ibi-cs-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--ibi-max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .ibi-cs-hero__inner { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
  .ibi-cs-hero { padding: 4rem 0 3.5rem; }
  .ibi-cs-hero__inner { padding: 0 2.5rem; }
}

.ibi-cs-hero__grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.ibi-cs-hero__grid > * {
  min-width: 0;
}

.ibi-cs-hero__copy {
  padding-right: 0.25rem;
}

@media (max-width: 639px) {
  .ibi-cs-hero__copy {
    padding-right: 0;
  }
}

@media (min-width: 768px) {
  .ibi-cs-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
    gap: 2rem;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .ibi-cs-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
    gap: 2.5rem 3rem;
  }
}

.ibi-cs-hero__kicker {
  font-size: clamp(0.5625rem, 2.5vw, 0.625rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ibi-ink-muted);
  margin-bottom: 1rem;
  line-height: 1.45;
}

@media (min-width: 480px) {
  .ibi-cs-hero__kicker { letter-spacing: 0.14em; }
}

.ibi-cs-hero__kicker-accent { color: var(--ibi-accent); }

.ibi-cs-hero__title {
  font-size: clamp(1.75rem, 8vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
  max-width: 100%;
}

@media (min-width: 1024px) {
  .ibi-cs-hero__title { max-width: 12ch; }
}

.ibi-cs-hero__deck {
  font-size: clamp(1rem, 2.2vw, 1.375rem);
  line-height: 1.6;
  color: var(--ibi-ink-soft);
  max-width: 100%;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .ibi-cs-hero__deck { max-width: 38ch; }
}

.ibi-cs-hero__highlight {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  max-width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--ibi-white);
  border-radius: 0.65rem;
  box-shadow: var(--ibi-shadow);
}

@media (min-width: 480px) {
  .ibi-cs-hero__highlight {
    display: inline-flex;
    flex-wrap: nowrap;
    width: auto;
  }
}

.ibi-cs-hero__highlight-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  background: var(--ibi-olive);
  color: var(--ibi-white);
  flex-shrink: 0;
}

.ibi-cs-hero__highlight-value {
  font-size: 1.125rem;
  line-height: 1.2;
  margin: 0;
}

.ibi-cs-hero__highlight-value strong {
  font-size: 1.5rem;
  font-weight: 600;
}

.ibi-cs-hero__highlight-value span {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-left: 0.25rem;
}

.ibi-cs-hero__highlight-sub {
  font-size: 0.6875rem;
  color: var(--ibi-ink-muted);
  margin: 0.15rem 0 0;
}

/* Metrics card */
.ibi-cs-metrics {
  background: var(--ibi-white);
  border-radius: var(--ibi-radius);
  box-shadow: var(--ibi-shadow);
  overflow: hidden;
}

.ibi-cs-metrics__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--ibi-rule);
  min-width: 0;
}

.ibi-cs-metrics__main {
  min-width: 0;
  flex: 1;
}

@media (max-width: 380px) {
  .ibi-cs-metrics__row { padding: 0.9rem 1rem; }
  .ibi-cs-metrics__value { font-size: 1.125rem; }
}

.ibi-cs-metrics__row:last-child { border-bottom: none; }

.ibi-cs-metrics__label {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ibi-ink-muted);
  margin-bottom: 0.25rem;
}

.ibi-cs-metrics__value {
  font-size: 1.375rem;
  font-weight: 500;
  line-height: 1.2;
  margin: 0;
}

.ibi-cs-metrics__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--ibi-olive-light);
  color: var(--ibi-ink-soft);
  flex-shrink: 0;
}

.ibi-cs-metrics__chart { flex-shrink: 0; }

/* Body */
.ibi-cs-body {
  width: 100%;
  max-width: var(--ibi-max);
  margin: 0 auto;
  padding: 0 1rem 3.5rem;
  background: var(--ibi-cream);
}

@media (min-width: 640px) {
  .ibi-cs-body { padding: 0 1.5rem 4.5rem; }
}

@media (min-width: 1024px) {
  .ibi-cs-body { padding: 0 2.5rem 5rem; }
}

/* Meta bar */
.ibi-cs-meta {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ibi-rule);
  border-bottom: 1px solid var(--ibi-rule);
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .ibi-cs-meta { grid-template-columns: repeat(3, 1fr); }
}

.ibi-cs-meta__item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.25rem 0;
}

@media (min-width: 768px) {
  .ibi-cs-meta__item {
    padding: 1.5rem 1.25rem;
    border-right: 1px solid var(--ibi-rule);
  }
  .ibi-cs-meta__item:first-child { padding-left: 0; }
  .ibi-cs-meta__item:last-child { border-right: none; padding-right: 0; }
}

@media (max-width: 767px) {
  .ibi-cs-meta__item + .ibi-cs-meta__item {
    border-top: 1px solid var(--ibi-rule);
  }
}

.ibi-cs-meta__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid var(--ibi-accent-light);
  color: var(--ibi-accent);
  flex-shrink: 0;
}

.ibi-cs-meta__label {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ibi-accent);
  margin-bottom: 0.35rem;
}

.ibi-cs-meta__text {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ibi-ink-soft);
  margin: 0;
}

/* Executive summary — 33% rail / 67% grid (matches design reference) */
.ibi-cs-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
  align-items: stretch;
}

@media (min-width: 1024px) {
  .ibi-cs-summary {
    grid-template-columns: minmax(0, 33%) minmax(0, 67%);
    gap: 0;
    column-gap: clamp(1rem, 2.5vw, 2rem);
  }
}

.ibi-cs-summary__rail {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 0.75rem;
  min-width: 0;
}

@media (max-width: 1023px) {
  .ibi-cs-summary__rail {
    align-items: center;
    padding-bottom: 1rem;
    margin-bottom: 0.25rem;
    border-bottom: 1px solid var(--ibi-rule);
  }

  .ibi-cs-summary__rail-line {
    align-self: stretch;
    min-height: 2.75rem;
  }
}

.ibi-cs-summary__rail-line {
  width: 1px;
  flex-shrink: 0;
  background: var(--ibi-accent-light);
}

@media (min-width: 1024px) {
  .ibi-cs-summary__rail {
    align-self: stretch;
    justify-content: flex-end;
    padding-right: 0.25rem;
  }

  .ibi-cs-summary__rail-line {
    background: var(--ibi-accent);
    opacity: 0.85;
  }
}

.ibi-cs-summary__heading {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.35;
  color: var(--ibi-accent);
  text-transform: uppercase;
  display: flex;
  align-items: center;
}

@media (max-width: 1023px) {
  .ibi-cs-summary__heading {
    letter-spacing: 0.14em;
    white-space: normal;
    writing-mode: horizontal-tb;
    transform: none;
  }
}

@media (min-width: 1024px) {
  .ibi-cs-summary__heading {
    white-space: nowrap;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
  }
}

.ibi-cs-summary__table {
  min-width: 0;
  border: 1px solid var(--ibi-rule);
  background: var(--ibi-cream);
}

.ibi-cs-summary__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: 1px solid var(--ibi-rule);
}

.ibi-cs-summary__row:last-child {
  border-bottom: none;
}

@media (min-width: 640px) {
  .ibi-cs-summary__row {
    grid-template-columns: minmax(7.5rem, 30%) minmax(0, 1fr);
    align-items: stretch;
  }
}

@media (min-width: 1100px) {
  .ibi-cs-summary__row {
    grid-template-columns: minmax(9rem, 28%) minmax(0, 1fr);
  }
}

.ibi-cs-summary__key {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.15rem 1rem;
}

@media (min-width: 640px) {
  .ibi-cs-summary__key {
    padding: 1.2rem 1rem 1.2rem 1.15rem;
    border-right: 1px solid var(--ibi-rule);
  }
}

.ibi-cs-summary__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--ibi-olive-light);
  color: var(--ibi-accent);
  flex-shrink: 0;
}

.ibi-cs-summary__label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ibi-ink);
  line-height: 1.25;
}

.ibi-cs-summary__text {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--ibi-ink-soft);
  margin: 0;
  padding: 1.15rem 1rem;
}

@media (min-width: 640px) {
  .ibi-cs-summary__text {
    padding: 1.2rem 1.25rem 1.2rem 1.35rem;
    font-size: 0.9375rem;
  }
}

/* Step 1 */
.ibi-cs-step {
  margin-bottom: 3rem;
}

.ibi-cs-step__intro {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (min-width: 900px) {
  .ibi-cs-step__intro {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }
}

.ibi-cs-step__title {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
}

.ibi-cs-step__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ibi-ink-soft);
  margin: 0;
}

/* Process cards */
.ibi-cs-cards {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  padding-inline: max(0px, env(safe-area-inset-left)) max(0px, env(safe-area-inset-right));
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 1rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  max-width: 100%;
}

.ibi-cs-cards__arrow {
  display: none;
  align-self: center;
  color: var(--ibi-accent);
  font-size: 1.25rem;
  flex-shrink: 0;
  padding: 0 0.15rem;
}

@media (min-width: 1100px) {
  .ibi-cs-cards {
    overflow-x: visible;
    justify-content: space-between;
  }
  .ibi-cs-cards__arrow { display: block; }
}

.ibi-cs-card {
  flex: 0 0 min(calc(100% - 0.5rem), 240px);
  scroll-snap-align: start;
  padding: 1.25rem;
  background: var(--ibi-white);
  border: 1px solid var(--ibi-rule);
  border-radius: 0.65rem;
  min-width: 0;
}

@media (min-width: 900px) and (max-width: 1099px) {
  .ibi-cs-card { flex: 0 0 220px; }
}

@media (min-width: 1100px) {
  .ibi-cs-card { flex: 1; min-width: 0; }
}

/* Panel: mobile / tablet layout */
@media (max-width: 899px) {
  .ibi-cs-cards {
    flex-direction: column;
    overflow-x: hidden;
    scroll-snap-type: none;
    gap: 0.75rem;
  }

  .ibi-cs-cards__arrow {
    display: none !important;
  }

  .ibi-cs-card {
    flex: 1 1 auto;
    width: 100%;
    max-width: 100%;
    scroll-snap-align: none;
  }

  .ibi-cs-step__intro {
    grid-template-columns: 1fr;
  }

  .ibi-cs-figma {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }

  .ibi-cs-figma__slide {
    flex: 0 0 100%;
  }

  .ibi-cs-hero__inner,
  .ibi-cs-body {
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }
}

.ibi-cs-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.ibi-cs-card__num {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ibi-accent);
}

.ibi-cs-card__icon {
  color: var(--ibi-accent);
}

.ibi-cs-card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 0.85rem;
}

.ibi-cs-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--ibi-ink-soft);
}

.ibi-cs-card__list li {
  position: relative;
  padding-left: 0.85rem;
}

.ibi-cs-card__list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--ibi-accent-light);
}

.ibi-cs-card__list li + li { margin-top: 0.35rem; }

/* Figma section */
.ibi-cs-figma {
  display: grid;
  gap: 1.5rem;
  background: var(--ibi-olive);
  color: var(--ibi-white);
  border-radius: var(--ibi-radius);
  padding: 1.5rem;
  overflow: hidden;
}

@media (min-width: 900px) {
  .ibi-cs-figma {
    grid-template-columns: minmax(180px, 220px) 1fr;
    gap: 2rem;
    padding: 2rem 2rem 2rem 1.75rem;
    align-items: start;
  }
}

.ibi-cs-figma__logo {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.75rem;
}

.ibi-cs-figma__title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0 0 0.75rem;
}

.ibi-cs-figma__rule {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin: 0 0 0.75rem;
}

.ibi-cs-figma__caption {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.ibi-cs-figma__slider {
  min-width: 0;
}

.ibi-cs-figma__track {
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 1rem;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.65rem;
  max-width: 100%;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.45) rgba(0, 0, 0, 0.2);
}

.ibi-cs-figma__track::-webkit-scrollbar {
  height: 5px;
}

.ibi-cs-figma__track::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.18);
  border-radius: 999px;
}

.ibi-cs-figma__track::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.42);
  border-radius: 999px;
}

.ibi-cs-figma__track::-webkit-scrollbar-button {
  display: none;
  width: 0;
  height: 0;
}

.ibi-cs-figma__slide {
  flex: 0 0 min(88%, calc(100% - 1.5rem));
  scroll-snap-align: center;
  margin: 0;
  opacity: 0.55;
  transition: opacity 0.3s ease;
  min-width: 0;
  background: transparent;
  overflow: hidden;
  border-radius: 0.5rem;
}

.ibi-cs-figma__slide.is-active { opacity: 1; }

@media (min-width: 640px) {
  .ibi-cs-figma__slide { flex: 0 0 min(70%, 320px); }
}

.ibi-cs-figma__thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--ibi-olive);
  border: none;
  border-radius: 0.5rem;
  display: block;
  padding: 0;
  margin: 0;
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  text-align: left;
  -webkit-appearance: none;
  appearance: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.ibi-cs-figma__thumb:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.ibi-cs-figma__thumb:focus-visible {
  outline: 2px solid var(--ibi-white);
  outline-offset: 3px;
}

.ibi-cs-figma__media {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  border-radius: 0.5rem;
  line-height: 0;
}

.ibi-cs-figma__media img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: top center;
  pointer-events: none;
}

.ibi-cs-figma__label {
  position: absolute;
  left: 0.65rem;
  bottom: 0.65rem;
  z-index: 1;
  max-width: calc(100% - 1.3rem);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.3;
  color: var(--ibi-olive);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 0.35rem 0.5rem;
  border-radius: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Strategy lightbox */
.ibi-cs-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.ibi-cs-lightbox[hidden] {
  display: none;
}

.ibi-cs-lightbox.is-open {
  display: flex;
}

.ibi-cs-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 14, 10, 0.92);
  cursor: pointer;
}

.ibi-cs-lightbox__stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: min(100%, 1280px);
  max-height: calc(100vh - 4rem);
  gap: 0.75rem;
  pointer-events: none;
}

.ibi-cs-lightbox__viewport {
  overflow: auto;
  max-width: 100%;
  max-height: calc(100vh - 6rem);
  background: transparent;
  pointer-events: auto;
  -webkit-overflow-scrolling: touch;
  line-height: 0;
  font-size: 0;
}

.ibi-cs-lightbox__img {
  display: block;
  width: auto;
  height: auto;
  max-width: min(100vw - 2rem, 1280px);
  max-height: calc(100vh - 6rem);
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  cursor: zoom-in;
}

.ibi-cs-lightbox.is-zoomed .ibi-cs-lightbox__viewport {
  max-width: min(100vw - 2rem, 1280px);
  max-height: calc(100vh - 5rem);
}

.ibi-cs-lightbox.is-zoomed .ibi-cs-lightbox__img {
  max-width: none;
  max-height: none;
  cursor: zoom-out;
}

.ibi-cs-lightbox__caption {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  pointer-events: auto;
}

.ibi-cs-lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--ibi-white);
  cursor: pointer;
  transition: background 0.2s ease;
}

.ibi-cs-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.ibi-cs-lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--ibi-white);
  cursor: pointer;
  transition: background 0.2s ease;
}

.ibi-cs-lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.22);
}

.ibi-cs-lightbox__nav--prev { left: 1rem; }
.ibi-cs-lightbox__nav--next { right: 1rem; }

.ibi-cs-lightbox__close:focus-visible,
.ibi-cs-lightbox__nav:focus-visible {
  outline: 2px solid var(--ibi-white);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .ibi-cs-lightbox__nav--prev { left: 0.35rem; }
  .ibi-cs-lightbox__nav--next { right: 0.35rem; }
  .ibi-cs-lightbox__close { top: 0.5rem; right: 0.5rem; }
}

/* Structural flaw + Step 2 + Baseline (V1) */
.ibi-cs-flaw {
  margin-bottom: 3.5rem;
}

.ibi-cs-flaw__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .ibi-cs-flaw__grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 42%);
    gap: 2.5rem;
  }
}

.ibi-cs-flaw__title {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}

.ibi-cs-prose {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ibi-ink-soft);
}

.ibi-cs-prose p + p {
  margin-top: 1rem;
}

.ibi-cs-prose__accent {
  font-weight: 600;
  color: var(--ibi-accent-text);
}

.ibi-cs-flaw__figure {
  margin: 0;
  background: var(--ibi-white);
  border-radius: 0.65rem;
  box-shadow: var(--ibi-shadow);
  padding: 1rem 1.15rem;
}

.ibi-cs-flaw__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
}

.ibi-cs-step--v1 {
  margin-bottom: 3.5rem;
}

.ibi-cs-step__intro--stacked {
  display: block;
  margin-bottom: 1.75rem;
}

.ibi-cs-step__intro--stacked .ibi-cs-step__title {
  margin-bottom: 0.75rem;
}

.ibi-cs-step__desc--lead {
  max-width: 52rem;
}

.ibi-cs-cards--deploy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  overflow: visible;
  padding-bottom: 0;
  scroll-snap-type: none;
}

@media (min-width: 640px) {
  .ibi-cs-cards--deploy {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .ibi-cs-cards--deploy {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
  }
}

.ibi-cs-card--deploy {
  flex: none;
  width: auto;
  min-height: 100%;
}

.ibi-cs-card--deploy .ibi-cs-card__text {
  margin-top: 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--ibi-ink-soft);
}

.ibi-cs-baseline {
  margin-bottom: 3rem;
}

.ibi-cs-baseline__inner {
  background: var(--ibi-olive);
  color: var(--ibi-white);
  border-radius: var(--ibi-radius);
  padding: 1.75rem 1.5rem;
  position: relative;
}

@media (min-width: 900px) {
  .ibi-cs-baseline__inner {
    padding: 2rem 2.25rem 2rem 2rem;
  }
}

.ibi-cs-baseline__icon {
  color: var(--ibi-gold);
  margin-bottom: 1.25rem;
}

.ibi-cs-baseline__grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

@media (min-width: 900px) {
  .ibi-cs-baseline__grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 38%);
    gap: 2rem;
  }
}

.ibi-cs-baseline__title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 1rem;
  color: var(--ibi-white);
}

.ibi-cs-baseline__text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
}

.ibi-cs-baseline__highlight {
  font-weight: 600;
  color: var(--ibi-gold);
}

.ibi-cs-baseline__chart {
  margin: 0;
}

.ibi-cs-baseline__chart-label {
  display: block;
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.65rem;
}

.ibi-cs-baseline__chart img {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
}

.ibi-cs-baseline__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

@media (max-width: 520px) {
  .ibi-cs-baseline__stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.ibi-cs-baseline__stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 521px) {
  .ibi-cs-baseline__stat:first-child {
    padding-right: 1.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
  }
}

.ibi-cs-baseline__stat-value {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ibi-gold);
  letter-spacing: -0.02em;
}

.ibi-cs-baseline__stat-label {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.45;
  max-width: 16rem;
}

/* ===== Additional Case Study Sections ===== */

.ibi-cs-step__content {
  margin-top: 1.5rem;
}

.ibi-cs-body-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ibi-ink);
  margin-bottom: 1rem;
}

.ibi-cs-body-text strong {
  font-weight: 600;
  color: var(--ibi-ink);
}

.ibi-cs-body-text em {
  font-style: italic;
  color: var(--ibi-muted);
}

.ibi-cs-body-text p + p {
  margin-top: 0.75rem;
}

/* Cards - Variants */
.ibi-cs-cards--vertical {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

.ibi-cs-cards--grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.ibi-cs-cards--2col {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
  .ibi-cs-cards--2col {
    grid-template-columns: 1fr;
  }
}

.ibi-cs-card--full {
  width: 100%;
}

.ibi-cs-card--wide {
  grid-column: 1 / -1;
}

.ibi-cs-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.7rem;
  border-radius: 9999px;
  margin-bottom: 0.5rem;
}

.ibi-cs-card__tag--green {
  background: rgba(74, 124, 89, 0.12);
  color: #4A7C59;
}

.ibi-cs-card__tag--purple {
  background: rgba(107, 79, 133, 0.12);
  color: #6B4F85;
}

.ibi-cs-card__tag--blue {
  background: rgba(59, 130, 246, 0.12);
  color: #3B82F6;
}

.ibi-cs-card__tag--orange {
  background: rgba(217, 119, 40, 0.12);
  color: #D97728;
}

.ibi-cs-card__tag--pink {
  background: rgba(232, 67, 147, 0.12);
  color: #E84393;
}

.ibi-cs-card__text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ibi-ink);
  margin-top: 0.75rem;
}

/* Highlight Boxes */
.ibi-cs-highlight-box {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 0.75rem;
  margin: 1.5rem 0;
  border-left: 3px solid;
}

.ibi-cs-highlight-box--alert {
  background: rgba(217, 119, 40, 0.08);
  border-left-color: #D97728;
}

.ibi-cs-highlight-box--strategy {
  background: rgba(74, 124, 89, 0.08);
  border-left-color: #4A7C59;
}

.ibi-cs-highlight-box__icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ibi-olive);
}

.ibi-cs-highlight-box--alert .ibi-cs-highlight-box__icon {
  color: #D97728;
}

.ibi-cs-highlight-box--strategy .ibi-cs-highlight-box__icon {
  color: #4A7C59;
}

.ibi-cs-highlight-box__title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ibi-ink);
  margin-bottom: 0.5rem;
}

.ibi-cs-highlight-box__text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ibi-ink);
}

/* Figures with Placeholders */
.ibi-cs-figure {
  margin: 1.5rem 0;
}

.ibi-cs-figure__placeholder {
  background: linear-gradient(135deg, rgba(107, 79, 133, 0.08) 0%, rgba(217, 119, 40, 0.05) 100%);
  border: 2px dashed rgba(107, 79, 133, 0.25);
  border-radius: 0.75rem;
  padding: 2.5rem 1.5rem;
  text-align: center;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ibi-cs-figure__placeholder span {
  font-size: 0.85rem;
  color: var(--ibi-muted);
  font-style: italic;
  line-height: 1.5;
  max-width: 90%;
}

.ibi-cs-figure__caption {
  font-size: 0.8rem;
  color: var(--ibi-muted);
  text-align: center;
  margin-top: 0.75rem;
  font-style: italic;
}

/* Results Block */
.ibi-cs-results-block {
  background: rgba(107, 79, 133, 0.06);
  border: 1px solid var(--ibi-border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.ibi-cs-results-block__title {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ibi-ink);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Research Block */
.ibi-cs-research-block {
  margin: 1.5rem 0;
}

.ibi-cs-research-block__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ibi-ink);
  margin-bottom: 0.75rem;
}

/* Ranking List */
.ibi-cs-ranking-block {
  margin: 1.5rem 0;
}

.ibi-cs-ranking-block__title {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ibi-ink);
  margin-bottom: 0.75rem;
}

.ibi-cs-ranking-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ibi-cs-ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 0.5rem;
  border: 1px solid var(--ibi-border);
}

.ibi-cs-ranking-item__badge {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  color: white;
}

.ibi-cs-ranking-item__badge--1 {
  background: linear-gradient(135deg, #D97728 0%, #E8903A 100%);
}

.ibi-cs-ranking-item__badge--2 {
  background: linear-gradient(135deg, #6B4F85 0%, #8B6BA8 100%);
}

.ibi-cs-ranking-item__badge--3 {
  background: linear-gradient(135deg, #4A7C59 0%, #6BA87A 100%);
}

.ibi-cs-ranking-item__text {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ibi-ink);
}

/* Optimization List */
.ibi-cs-section-subtitle {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ibi-ink);
  margin: 1.5rem 0 1rem;
}

.ibi-cs-optimization-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.25rem 0;
}

.ibi-cs-optimization-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 0.75rem;
  border: 1px solid var(--ibi-border);
}

.ibi-cs-optimization-item__icon {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(107, 79, 133, 0.1);
  border-radius: 0.5rem;
  color: var(--ibi-olive);
}

.ibi-cs-optimization-item__title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ibi-ink);
  margin-bottom: 0.4rem;
}

.ibi-cs-optimization-item__text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ibi-ink);
}

/* Subsection */
.ibi-cs-subsection {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ibi-border);
}

.ibi-cs-subsection__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ibi-ink);
  margin-bottom: 0.75rem;
}

/* Results Inline */
.ibi-cs-results-inline {
  background: rgba(74, 124, 89, 0.06);
  border-left: 3px solid #4A7C59;
  padding: 1rem 1.25rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin: 1rem 0;
}

/* Learnings / Insights */
.ibi-cs-step--learnings {
  background: linear-gradient(135deg, rgba(107, 79, 133, 0.05) 0%, rgba(217, 119, 40, 0.03) 100%);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.ibi-cs-insights {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ibi-cs-insight {
  display: flex;
  gap: 1rem;
}

.ibi-cs-insight__marker {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
}

.ibi-cs-insight__marker--1 {
  background: linear-gradient(135deg, #D97728 0%, #E8903A 100%);
}

.ibi-cs-insight__marker--2 {
  background: linear-gradient(135deg, #6B4F85 0%, #8B6BA8 100%);
}

.ibi-cs-insight__marker--3 {
  background: linear-gradient(135deg, #4A7C59 0%, #6BA87A 100%);
}

.ibi-cs-insight__title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ibi-ink);
  margin-bottom: 0.4rem;
}

.ibi-cs-insight__text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ibi-ink);
}

/* Conclusion */
.ibi-cs-conclusion {
  margin-top: 2rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(107, 79, 133, 0.1) 0%, rgba(217, 119, 40, 0.08) 100%);
  border-radius: 1rem;
  border: 1px solid var(--ibi-border);
}

.ibi-cs-conclusion__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ibi-ink);
  margin-bottom: 1rem;
}

.ibi-cs-conclusion__text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ibi-ink);
  max-width: 95%;
}

.ibi-cs-conclusion__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ibi-border);
}

.ibi-cs-conclusion__metric {
  text-align: center;
}

.ibi-cs-conclusion__metric-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ibi-olive);
  background: linear-gradient(135deg, var(--ibi-olive) 0%, #6B4F85 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ibi-cs-conclusion__metric-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ibi-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 0.25rem;
}