/* ── DESIGN TOKENS ── */

:root {
  /* Backgrounds */
  --color-bg-primary:    #FAFAF8;
  --color-bg-secondary:  #F4F1EC;
  --color-bg-card:       #FFFFFF;
  --color-bg-footer:     #0A1628;

  /* Text */
  --color-text-primary:  #0A1628;
  --color-text-secondary:#4A5568;
  --color-text-muted:    #8896A8;
  --color-text-inverse:  #FFFFFF;

  /* Accent — maximum 3 instances per page total */
  --color-accent:        #00B4D8;
  --color-accent-hover:  #0099BA;

  /* Borders */
  --color-border:        #E8E4DE;
  --color-border-strong: #D4CFC8;

  /* Functional */
  --color-focus:         #00B4D8;
  --color-bg-hover:      #F5F3EF;

  /* Typography */
  --font-serif:  'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans:   'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --text-display: 72px;
  --text-h1:      58px;
  --text-h2:      44px;
  --text-h3:      30px;
  --text-h4:      24px;
  --text-body-lg: 22px;
  --text-body:    20px;
  --text-body-sm: 17px;
  --text-ui:      15px;
  --text-label:   11px;

  --weight-regular:   400;
  --weight-medium:    500;
  --weight-semibold:  600;
  --weight-bold:      700;
  --weight-extrabold: 800;

  --leading-display: 1.04;
  --leading-heading: 1.1;
  --leading-subhead: 1.2;
  --leading-body:    1.8;
  --leading-body-sm: 1.7;
  --leading-ui:      1.4;

  --tracking-tight:   -0.03em;
  --tracking-snug:    -0.02em;
  --tracking-normal:   0;
  --tracking-wide:     0.05em;
  --tracking-wider:    0.1em;
  --tracking-widest:   0.14em;

  /* Spacing (8px base grid) */
  --space-1:   8px;
  --space-2:   16px;
  --space-3:   24px;
  --space-4:   32px;
  --space-5:   40px;
  --space-6:   48px;
  --space-7:   64px;
  --space-8:   80px;
  --space-9:   96px;
  --space-10:  120px;
  --space-11:  160px;

  /* Layout */
  --grid-max:       1200px;
  --grid-gutter:    48px;
  --grid-gutter-md: 32px;
  --grid-gutter-sm: 24px;
  --prose-max:      680px;

  /* Border Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;

  /* Elevation */
  --shadow-none: none;
  --shadow-card: 0 1px 4px rgba(10, 22, 40, 0.06);
  --shadow-nav:  0 1px 0 var(--color-border);

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease-out;
}


/* ── RESET & BASE ── */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-serif);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}


/* ── ACCESSIBILITY ── */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-sans);
  font-size: var(--text-ui);
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-1);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}


/* ── LAYOUT UTILITIES ── */

.container {
  max-width: var(--grid-max);
  margin: 0 auto;
  padding-left: var(--grid-gutter);
  padding-right: var(--grid-gutter);
}

.prose {
  max-width: var(--prose-max);
}

.section {
  padding-top: var(--space-9);
  padding-bottom: var(--space-9);
}

.system-link-wrap {
  margin-top: var(--space-5);
}

.text-link--spaced {
  margin-top: var(--space-3);
  display: inline-flex;
}


/* ── TYPOGRAPHY ── */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-tight);
}

h2 {
  font-size: var(--text-h2);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-tight);
}

h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-subhead);
  letter-spacing: var(--tracking-snug);
}

h4 {
  font-size: var(--text-h4);
  line-height: var(--leading-subhead);
  letter-spacing: var(--tracking-normal);
}

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

p:last-child {
  margin-bottom: 0;
}

.text-display {
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--weight-bold);
}

.text-body-lg {
  font-size: var(--text-body-lg);
  line-height: var(--leading-body);
}

.text-body-sm {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}


/* ── OVERLINE ── */

.overline {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}


/* ── SECTION HEADER ── */

.section-header {
  margin-bottom: var(--space-7);
}

.section-header h2 {
  max-width: 600px;
}

.section-header .section-lead {
  margin-top: var(--space-3);
  font-size: var(--text-body-lg);
  max-width: var(--prose-max);
}


/* ── NAVIGATION ── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--grid-max);
  margin: 0 auto;
  padding: 0 var(--grid-gutter);
}

.nav__logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.nav__logo-bar {
  width: 28px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 1px;
  margin-bottom: var(--space-1);
}

.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: var(--weight-bold);
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: var(--text-ui);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__link[aria-current="page"] {
  color: var(--color-text-primary);
}

.nav__cta {
  margin-left: var(--space-3);
}

.nav__hamburger {
  display: none;
  width: 24px;
  height: 24px;
  padding: 0;
  color: var(--color-text-primary);
}

.nav__hamburger svg {
  width: 24px;
  height: 24px;
}


/* ── MOBILE NAV OVERLAY ── */

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg-footer);
  z-index: 99;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-5);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.mobile-nav--open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-nav__link {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-text-inverse);
  transition: opacity var(--transition-fast);
}

.mobile-nav__link:hover {
  opacity: 0.7;
}


/* ── BUTTONS ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: 14px 32px;
}

.btn--primary:hover {
  opacity: 0.82;
}

.btn--primary:active {
  opacity: 0.70;
}

.btn--secondary {
  background: transparent;
  border: 1.5px solid var(--color-text-primary);
  color: var(--color-text-primary);
  padding: 13px 31px;
}

.btn--secondary:hover {
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
}

.btn--nav {
  font-size: 13px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
}

.btn--nav:hover {
  opacity: 0.82;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.text-link:hover {
  color: var(--color-text-primary);
}

.text-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.text-link:hover svg {
  transform: translateX(3px);
}


/* ── TRUST BAR ── */

.trust-bar {
  background: var(--color-bg-footer);
  padding: 10px 0;
  text-align: center;
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.trust-bar__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.trust-bar__text {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}


/* ── HERO ── */

.hero {
  padding-top: 104px;
  padding-bottom: 88px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 72px;
  align-items: center;
}

.hero__content h1 {
  font-size: 66px;
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
}

.hero__content h1 em {
  font-style: italic;
}

.hero__overline {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.hero__overline-line {
  width: 28px;
  height: 2px;
  background: var(--color-accent);
  flex-shrink: 0;
  border-radius: 1px;
}

.hero__subtext {
  font-size: 18px;
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  max-width: 520px;
}

.hero__subtext strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Hero Card */
.hero-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 16px rgba(10, 22, 40, 0.07);
  overflow: hidden;
}

.hero-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.hero-card__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.hero-card__header-text {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero-card__row {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.hero-card__row:last-child {
  border-bottom: none;
}

.hero-card__row--warm {
  background: var(--color-bg-primary);
}

.hero-card__label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  display: block;
}

.hero-card__value {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.hero-card__value--sm {
  font-size: 16px;
  font-weight: var(--weight-regular);
}

.hero-card__value--accent {
  font-size: 22px;
  color: var(--color-accent);
}

.hero-card__value--navy {
  font-size: 22px;
  color: var(--color-text-primary);
}

.hero-card__sub {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-top: 4px;
  margin-bottom: 0;
  line-height: 1.5;
}


/* ── PROOF BAR ── */

.proof-bar {
  padding: 52px 0;
  background: var(--color-bg-footer);
}

.proof-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-bar__item {
  text-align: center;
  padding: 0 var(--space-3);
}

.proof-bar__item + .proof-bar__item {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.proof-bar__number {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-inverse);
}

.proof-bar__unit {
  color: var(--color-text-inverse);
}

.proof-bar__desc {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-regular);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
  margin-top: var(--space-1);
  margin-bottom: 0;
}


/* ── POSITIONING (ABOUT PREVIEW) ── */

.positioning {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
}

.positioning__label {
  position: sticky;
  top: 100px;
  align-self: start;
}

.positioning__label h3 {
  margin-top: 0;
}

.positioning__content {
  max-width: var(--prose-max);
  border-left: 2px solid var(--color-text-primary);
  padding-left: var(--space-5);
}

.positioning__content .text-body-lg {
  margin-bottom: var(--space-3);
}


/* ── SYSTEM PREVIEW ── */

.step-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.step-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-text-primary);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: attr(data-step);
  position: absolute;
  top: -16px;
  right: -8px;
  font-family: var(--font-serif);
  font-size: 120px;
  font-weight: var(--weight-extrabold);
  color: rgba(10, 22, 40, 0.03);
  line-height: 1;
  pointer-events: none;
}

.step-card__number {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  display: block;
}

.step-card h3 {
  margin-bottom: var(--space-3);
}

.step-card p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}


/* ── SECTION TOP ROW (heading left, link right) ── */

.section-top-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-7);
}

.section-top-row .overline {
  margin-bottom: var(--space-2);
}


/* ── WORK PREVIEW (SPLIT CARD) ── */

.split-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.split-card__left {
  background: var(--color-bg-card);
  padding: 56px;
}

.split-card__right {
  background: var(--color-bg-footer);
  padding: 56px;
  color: var(--color-text-inverse);
}

.split-card__right h4 {
  color: var(--color-text-inverse);
  font-size: var(--text-h3);
  font-weight: var(--weight-extrabold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}

.split-card__right p {
  color: rgba(255, 255, 255, 0.45);
}

.split-card__stat {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.split-card__stat:last-child {
  border-bottom: none;
}

.split-card__stat-number {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: var(--weight-bold);
  color: var(--color-text-inverse);
  flex-shrink: 0;
  min-width: 140px;
}

.split-card__stat-desc {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: var(--weight-semibold);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0;
}


/* ── INSIGHT CARDS ── */

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.insight-card {
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 44px var(--space-6);
  transition: background var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.insight-card__index {
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  font-family: var(--font-serif);
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  color: rgba(10, 22, 40, 0.05);
  line-height: 1;
  pointer-events: none;
}

.insight-card:hover {
  background: var(--color-bg-hover);
}

.insight-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.insight-card__tag {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
}

.insight-card__date {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
}

.insight-card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-h4);
}

.insight-card p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  margin-bottom: var(--space-3);
}

.insight-card .text-link {
  font-size: 14px;
}


/* ── FOOTER ── */

.footer {
  background: var(--color-bg-footer);
  padding: var(--space-6) 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-6);
}

.footer__brand-tagline {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  margin-top: var(--space-2);
  margin-bottom: 0;
}

.footer__logo {
  display: flex;
  flex-direction: column;
}

.footer__logo-bar {
  width: 28px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 1px;
  margin-bottom: var(--space-1);
}

.footer__logo-text {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: var(--weight-bold);
  letter-spacing: -0.025em;
  color: var(--color-text-inverse);
}

.footer__col-title {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: rgba(255, 255, 255, 0.25);
  margin-bottom: 20px;
}

.footer__link {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
  margin-bottom: 12px;
}

.footer__link:hover {
  color: var(--color-text-inverse);
}

.footer__divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  margin: var(--space-4) 0;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-family: var(--font-sans);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.2);
}

.footer__email {
  font-family: var(--font-sans);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.2);
  transition: color var(--transition-fast);
}

.footer__email:hover {
  color: rgba(255, 255, 255, 0.5);
}


/* ── PAGE HERO (inner pages) ── */

.page-hero {
  padding-top: 168px;
  padding-bottom: var(--space-4);
}

.page-hero h1 {
  margin-bottom: var(--space-3);
}

.page-hero .page-hero__lead {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: var(--prose-max);
}


/* ── SYSTEM PAGE ── */

.system-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.system-intro__content {
  max-width: 540px;
}

.system-intro__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.system-highlight {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.system-highlight__number {
  font-family: var(--font-serif);
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  display: block;
  margin-bottom: 4px;
}

.system-highlight__label {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: 0;
}

/* Phases */
.phase {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-7);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

.phase:last-child {
  border-bottom: none;
}

.phase__marker {
  position: sticky;
  top: 100px;
  align-self: start;
}

.phase__number {
  font-family: var(--font-sans);
  font-size: 80px;
  font-weight: var(--weight-bold);
  line-height: 1;
  color: var(--color-bg-secondary);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-2);
}

.phase__marker-label {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
}

.phase__content {
  max-width: 640px;
}

.phase__content h3 {
  margin-bottom: var(--space-3);
}

.phase__detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.phase__detail {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.phase__detail-title {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
  display: block;
}

.phase__detail p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

.phase__timeline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  margin-top: var(--space-4);
}

.phase__your-time {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  margin-left: var(--space-2);
}

/* Deliverables Grid */
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.deliverable-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  position: relative;
}

.deliverable-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  font-family: var(--font-serif);
  font-size: var(--text-body);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.deliverable-card h4 {
  margin-bottom: var(--space-2);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
}

.deliverable-card p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

/* Comparison Section */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.compare-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.compare-card__header {
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.compare-card__label {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-1);
}

.compare-card__header h4 {
  font-size: var(--text-body);
}

.compare-card__body {
  padding: var(--space-4);
  background: var(--color-bg-card);
}

.compare-card__body p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

.compare-card--highlight {
  border-color: var(--color-text-primary);
  border-width: 2px;
}

.compare-card--highlight .compare-card__header {
  background: var(--color-bg-footer);
}

.compare-card--highlight .compare-card__header h4 {
  color: var(--color-text-inverse);
}

.compare-card--highlight .compare-card__label {
  color: rgba(255, 255, 255, 0.4);
}


/* ── SYSTEM PAGE ENHANCEMENTS ── */

.phase--watermark {
  position: relative;
  overflow: hidden;
}

.phase--watermark::before {
  content: attr(data-step);
  position: absolute;
  top: 24px;
  left: -16px;
  font-family: var(--font-serif);
  font-size: 180px;
  font-weight: var(--weight-extrabold);
  color: rgba(10, 22, 40, 0.03);
  line-height: 1;
  pointer-events: none;
}

.deliverable-card--accented {
  border-top: 3px solid var(--color-text-primary);
  overflow: hidden;
  position: relative;
}

.deliverable-card--accented::before {
  content: attr(data-step);
  position: absolute;
  top: -16px;
  right: -8px;
  font-family: var(--font-serif);
  font-size: 120px;
  font-weight: var(--weight-extrabold);
  color: rgba(10, 22, 40, 0.03);
  line-height: 1;
  pointer-events: none;
}

.compare-card--highlight .compare-card__body {
  background: var(--color-bg-primary);
}


/* ── WORK PAGE ── */

.case-study {
  margin-bottom: var(--space-9);
}

.case-study__grid {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: var(--space-7);
}

.case-study__narrative h4 {
  margin-bottom: var(--space-2);
  margin-top: var(--space-5);
}

.case-study__narrative h4:first-child {
  margin-top: 0;
}

.case-study__aside {
  align-self: start;
  position: sticky;
  top: 100px;
}

.case-study__aside-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.case-study__aside-stat {
  margin-bottom: var(--space-3);
}

.case-study__aside-stat:last-child {
  margin-bottom: 0;
}

.case-study__aside-number {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.case-study__aside-desc {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.placeholder-card {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  padding: var(--space-7) var(--space-6);
  text-align: center;
}

.placeholder-card p {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}


/* ── ABOUT PAGE ── */

.about-firm {
  max-width: var(--prose-max);
}

.about-firm .text-body-lg {
  margin-bottom: var(--space-3);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-7);
}

.about-value {
  padding: var(--space-5) var(--space-4);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-text-primary);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.about-value__number {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-2);
}

.about-value h4 {
  margin-bottom: var(--space-2);
}

.about-value p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

.about-ceo {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: var(--space-8);
  align-items: center;
}

.about-ceo__photo {
  aspect-ratio: 4 / 5;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  order: 2;
}

.about-ceo__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-ceo__photo-placeholder {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
}

.about-ceo__content {
  order: 1;
}

.about-ceo__content h2 {
  margin-bottom: var(--space-1);
}

.about-ceo__title {
  font-family: var(--font-sans);
  font-size: var(--text-ui);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  display: block;
}

.about-ceo__content p {
  font-size: var(--text-body);
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.team-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-text-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--transition-fast);
}

.team-card:hover {
  border-color: var(--color-border-strong);
}

.team-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-card__initials {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-snug);
}

.team-card__name {
  font-family: var(--font-serif);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.team-card__role {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  display: block;
}

.team-card p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}

.about-philosophy {
  max-width: var(--prose-max);
  margin: 0 auto;
}


/* ── CONTACT PAGE ── */

.contact-hero {
  text-align: center;
  padding-top: 168px;
  padding-bottom: var(--space-6);
}

.contact-hero h1 {
  margin-bottom: var(--space-2);
}

.contact-hero__lead {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  max-width: 960px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.contact-card--primary {
  border-top: 3px solid var(--color-text-primary);
}

.contact-card__overline {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.contact-card h2 {
  font-size: var(--text-h3);
  margin-bottom: var(--space-3);
}

.contact-card p {
  font-size: var(--text-body-sm);
  margin-bottom: var(--space-4);
}

.contact-card__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.contact-card__detail {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.contact-card__detail-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.contact-card__email-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 2px;
  transition: border-color var(--transition-fast);
  margin-bottom: var(--space-4);
}

.contact-card__email-link:hover {
  border-color: var(--color-text-primary);
}

.contact-card__address {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-bottom: 0;
}

.calendly-embed {
  width: 100%;
  height: 700px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-card);
  margin-top: var(--space-5);
}

.calendly-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.contact-email p {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
}

.contact-email a {
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
  transition: opacity var(--transition-fast);
}

.contact-email a:hover {
  opacity: 0.7;
}


/* ── INSIGHTS PAGE (FULL) ── */

.insight-grid--full {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}


/* ── LEGAL PAGES ── */

.legal {
  max-width: var(--prose-max);
  margin: 0 auto;
}

.legal h2 {
  font-size: var(--text-h3);
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
}

.legal h3 {
  font-size: var(--text-h4);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}

.legal p {
  margin-bottom: var(--space-3);
}

.legal ul {
  padding-left: var(--space-3);
  margin-bottom: var(--space-3);
}

.legal li {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-body);
  margin-bottom: var(--space-1);
  list-style: disc;
}


/* ── ARTICLE PAGES ── */

.article {
  max-width: var(--prose-max);
  margin: 0 auto;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.article-meta__tag {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
}

.article-meta__date,
.article-meta__read {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  color: var(--color-text-muted);
}

.article-meta__sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-text-muted);
  flex-shrink: 0;
}

.article__lead {
  font-size: var(--text-body-lg);
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.article h2 {
  font-size: var(--text-h3);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article h3 {
  font-size: var(--text-h4);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}

.article p {
  margin-bottom: var(--space-3);
}

.article ul {
  padding-left: var(--space-3);
  margin-bottom: var(--space-3);
}

.article li {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-body);
  margin-bottom: var(--space-1);
  list-style: disc;
}

.article-cta {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.article-cta p {
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  transition: color var(--transition-fast);
}

.article-back:hover {
  color: var(--color-text-primary);
}

.article-back svg {
  transform: rotate(180deg);
}


/* ── FAQ PAGE ── */

.faq-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--space-8);
}

.faq-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.faq-sidebar p {
  font-size: var(--text-body-sm);
  margin-top: var(--space-3);
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) 0;
  font-family: var(--font-serif);
  font-size: var(--text-h4);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  text-align: left;
  line-height: var(--leading-subhead);
  cursor: pointer;
  gap: var(--space-4);
}

.faq-question:focus-visible {
  outline-offset: -2px;
}

.faq-question__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-base);
}

.faq-item--open .faq-question__icon {
  background: var(--color-text-primary);
  transform: rotate(45deg);
}

.faq-question__icon svg {
  width: 14px;
  height: 14px;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.faq-item--open .faq-question__icon svg {
  color: var(--color-text-inverse);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item--open .faq-answer {
  max-height: 400px;
}

.faq-answer__inner {
  padding-bottom: var(--space-5);
  max-width: 600px;
}

.faq-answer__inner p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

/* FAQ Bottom CTA Card */
.faq-cta-card {
  background: var(--color-bg-footer);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-top: var(--space-7);
}

.faq-cta-card h3 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-2);
}

.faq-cta-card p {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-body-sm);
  margin-bottom: var(--space-4);
}

.faq-cta-card .btn--primary {
  background: var(--color-text-inverse);
  color: var(--color-text-primary);
}

.faq-cta-card .btn--primary:hover {
  opacity: 0.9;
}


/* ── CTA SECTION ── */

.cta-section {
  text-align: center;
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.cta-section h3 {
  margin-bottom: var(--space-5);
}


/* ── CTA BAND (Homepage pre-footer) ── */

.cta-band {
  background: var(--color-bg-footer);
  padding: var(--space-9) 0;
  text-align: center;
}

.cta-band .overline {
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: var(--space-2);
}

.cta-band h2 {
  color: var(--color-text-inverse);
  max-width: 640px;
  margin: 0 auto var(--space-3);
}

.cta-band__subtext {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: var(--space-5);
}

.btn--ghost-white {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: var(--color-text-inverse);
  padding: 13px 31px;
}

.btn--ghost-white:hover {
  background: var(--color-text-inverse);
  color: var(--color-text-primary);
  border-color: var(--color-text-inverse);
}


/* ── CASE STUDY PAGE ── */

.cs-hero {
  padding-top: 168px;
  padding-bottom: var(--space-8);
  text-align: center;
}

.cs-hero h1 {
  max-width: 900px;
  margin: 0 auto var(--space-3);
}

.cs-hero__lead {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: var(--prose-max);
  margin: 0 auto var(--space-7);
}

.cs-hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.cs-hero__metric {
  padding: var(--space-4) var(--space-5);
  text-align: center;
}

.cs-hero__metric + .cs-hero__metric {
  border-left: 1px solid var(--color-border);
}

.cs-hero__metric-number {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.cs-hero__metric-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-regular);
  color: var(--color-text-muted);
  line-height: var(--leading-ui);
}

/* Executive Summary Card */
.cs-summary {
  padding-top: 0;
  padding-bottom: var(--space-9);
}

.cs-summary__card {
  background: var(--color-bg-footer);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-7);
}

.cs-summary__label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: var(--space-5);
}

.cs-summary__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.cs-summary__item {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: var(--space-4);
}

.cs-summary__item:first-child {
  border-left: none;
  padding-left: 0;
}

.cs-summary__term {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-2);
}

.cs-summary__item p {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0;
}

/* Case Study Section Layout */
.cs-section {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.cs-section h2 {
  margin-bottom: var(--space-3);
}

.cs-section__lead {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: var(--prose-max);
  margin: 0 auto var(--space-7);
}

/* Case Study Prose */
.cs-prose {
  max-width: var(--prose-max);
  margin: 0 auto;
  text-align: left;
}

/* Exhibit Box */
.cs-exhibit {
  margin-top: var(--space-7);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-text-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.cs-exhibit__label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.cs-exhibit__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.cs-exhibit__item {
  text-align: center;
}

.cs-exhibit__number {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-snug);
  margin-bottom: 4px;
}

.cs-exhibit__desc {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: var(--leading-ui);
}

/* Approach Section */
.cs-approach-section {
  background: var(--color-bg-secondary);
}

/* Timeline Bar */
.cs-timeline {
  margin-bottom: var(--space-8);
  margin-top: var(--space-5);
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.cs-timeline__bar {
  display: flex;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.cs-timeline__segment {
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cs-timeline__segment--1 {
  flex: 2;
  background: var(--color-bg-footer);
}

.cs-timeline__segment--2 {
  flex: 2;
  background: rgba(10, 22, 40, 0.85);
}

.cs-timeline__segment--3 {
  flex: 7;
  background: rgba(10, 22, 40, 0.7);
}

.cs-timeline__segment-label {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-inverse);
}

.cs-timeline__segment-weeks {
  font-family: var(--font-sans);
  font-size: var(--text-label);
  color: rgba(255, 255, 255, 0.45);
}

/* Phase Blocks */
.cs-phase {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

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

.cs-phase__header {
  margin-bottom: var(--space-4);
}

.cs-phase__number {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.cs-phase__header h3 {
  margin-bottom: var(--space-2);
}

.cs-phase__timeline {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
}

.cs-phase__body {
  max-width: var(--prose-max);
  margin: 0 auto;
}

/* Infrastructure Stats Grid */
.cs-infra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-7);
  margin-top: var(--space-5);
}

.cs-infra-stat {
  text-align: center;
  padding: var(--space-5) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.cs-infra-stat__number {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.cs-infra-stat__label {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: var(--leading-ui);
}

/* Results Section */
.cs-results-section {
  background: var(--color-bg-secondary);
}

/* Conversion Funnel */
.cs-funnel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-bg-footer);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-7);
  margin-top: var(--space-5);
}

.cs-funnel__rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cs-funnel__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cs-funnel__bar {
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
}

.cs-funnel__bar--1 {
  width: 100%;
  background: var(--color-bg-footer);
}

.cs-funnel__bar--2 {
  width: 42%;
  background: rgba(10, 22, 40, 0.8);
}

.cs-funnel__bar--3 {
  width: 14%;
  min-width: 180px;
  background: rgba(10, 22, 40, 0.6);
}

.cs-funnel__bar--4 {
  width: 20%;
  min-width: 180px;
  background: rgba(10, 22, 40, 0.45);
}

.cs-funnel__bar-label {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-inverse);
  white-space: nowrap;
}

.cs-funnel__pct {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Key Metrics Grid */
.cs-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}

.cs-metric-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
}

.cs-metric-card__number {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-snug);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.cs-metric-card__label {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: var(--leading-ui);
}

/* Before vs After Comparison */
.cs-comparison {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-bg-footer);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5) var(--space-6);
}

.cs-comparison__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.cs-comparison__heading {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-3);
}

.cs-comparison__col--before .cs-comparison__heading {
  color: var(--color-text-muted);
}

.cs-comparison__col--after .cs-comparison__heading {
  color: var(--color-text-primary);
}

.cs-comparison__item {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.cs-comparison__marker {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  color: var(--color-text-secondary);
}

.cs-comparison__col--after .cs-comparison__marker {
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
}

/* Key Takeaways */
.cs-takeaways {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.cs-takeaway {
  background: var(--color-bg-secondary);
  border-left: 4px solid var(--color-bg-footer);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5) var(--space-6);
}

.cs-takeaway__number {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.cs-takeaway h4 {
  margin-bottom: var(--space-2);
}

.cs-takeaway p {
  max-width: var(--prose-max);
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
}


/* ── RESPONSIVE: 1024px ── */

@media (max-width: 1024px) {
  .section {
    padding-top: var(--space-9);
    padding-bottom: var(--space-9);
  }

  .hero {
    padding-top: 128px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }

  .hero__content h1 {
    font-size: var(--text-h1);
  }

  .proof-bar__grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: var(--space-5);
  }

  .positioning {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .positioning__label {
    position: static;
  }

  .positioning__content {
    padding-left: var(--space-4);
  }

  .system-intro {
    grid-template-columns: 1fr;
  }

  .phase {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .phase__marker {
    position: static;
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }

  .phase__number {
    font-size: 56px;
    margin-bottom: 0;
  }

  .phase--watermark::before {
    font-size: 140px;
    top: 16px;
    left: -12px;
  }

  .case-study__grid {
    grid-template-columns: 1fr;
  }

  .case-study__aside {
    position: static;
  }

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

  .cs-hero__metric:nth-child(1),
  .cs-hero__metric:nth-child(2) {
    border-bottom: 1px solid var(--color-border);
  }

  .cs-hero__metric:nth-child(odd) {
    border-left: none;
  }

  .cs-summary__grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: var(--space-5);
  }

  .cs-summary__item:nth-child(odd) {
    border-left: none;
    padding-left: 0;
  }

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

  .cs-exhibit__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cs-timeline__segment-label {
    font-size: 12px;
  }

  .cs-funnel__bar--3,
  .cs-funnel__bar--4 {
    min-width: 140px;
  }
}


/* ── RESPONSIVE: 768px ── */

@media (max-width: 768px) {
  .container {
    padding-left: var(--grid-gutter-sm);
    padding-right: var(--grid-gutter-sm);
  }

  .section {
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
  }

  .section-header {
    margin-bottom: var(--space-6);
  }

  .nav {
    height: 60px;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero {
    padding-top: 128px;
    padding-bottom: var(--space-7);
  }

  .proof-bar__grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: var(--space-5);
  }

  .proof-bar__item:nth-child(odd) {
    border-left: none;
  }

  .step-cards {
    grid-template-columns: 1fr;
  }

  .split-card {
    grid-template-columns: 1fr;
  }

  .split-card__left,
  .split-card__right {
    padding: var(--space-5);
  }

  .insight-grid,
  .insight-grid--full {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-top-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-sidebar {
    position: static;
  }

  .contact-hero {
    padding-top: 128px;
  }

  .about-ceo {
    grid-template-columns: 1fr;
  }

  .about-ceo__photo {
    order: 0;
    max-width: 360px;
  }

  .about-ceo__content {
    order: 0;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .deliverables-grid {
    grid-template-columns: 1fr;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .phase__detail-grid {
    grid-template-columns: 1fr;
  }

  .placeholder-grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding-top: 128px;
  }

  .cs-hero {
    padding-top: 128px;
    padding-bottom: var(--space-7);
  }

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

  .cs-hero__metric + .cs-hero__metric {
    border-left: none;
  }

  .cs-hero__metric:nth-child(even) {
    border-left: 1px solid var(--color-border);
  }

  .cs-hero__metric:nth-child(1),
  .cs-hero__metric:nth-child(2) {
    border-bottom: 1px solid var(--color-border);
  }

  .cs-summary__card {
    padding: var(--space-5);
  }

  .cs-summary__grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .cs-summary__item {
    border-left: none;
    padding-left: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: var(--space-4);
  }

  .cs-summary__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .cs-timeline__bar {
    flex-direction: column;
  }

  .cs-timeline__segment {
    padding: var(--space-2) var(--space-3);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

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

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

  .cs-comparison__grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .cs-exhibit {
    padding: var(--space-4) var(--space-5);
  }

  .cs-exhibit__grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .cs-exhibit__item {
    text-align: left;
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
  }

  .cs-funnel__bar--3,
  .cs-funnel__bar--4 {
    min-width: 120px;
  }

  .cs-funnel__bar-label {
    font-size: 12px;
  }
}


/* ── RESPONSIVE: 480px ── */

@media (max-width: 480px) {
  .section {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .hero {
    padding-top: 108px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  h1,
  .hero__content h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 32px;
  }

  .text-display,
  .hero__content h1 {
    font-size: 44px;
  }

  .step-card,
  .insight-card {
    padding: var(--space-4);
  }

  .proof-bar__grid {
    grid-template-columns: 1fr;
  }

  .proof-bar__item + .proof-bar__item {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-3);
    margin-top: var(--space-3);
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }

  .page-hero {
    padding-top: 108px;
    padding-bottom: var(--space-6);
  }

  .cs-hero {
    padding-top: 108px;
  }

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

  .cs-hero__metric + .cs-hero__metric {
    border-left: none;
    border-top: 1px solid var(--color-border);
  }

  .cs-hero__metric:nth-child(even) {
    border-left: none;
  }

  .cs-hero__metric:nth-child(1),
  .cs-hero__metric:nth-child(2) {
    border-bottom: none;
  }

  .cs-hero__metric-number {
    font-size: var(--text-h3);
  }

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

  .cs-infra-stat {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    text-align: left;
    padding: var(--space-3) var(--space-4);
  }

  .cs-infra-stat__number {
    font-size: var(--text-h3);
    min-width: 64px;
  }

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

  .cs-metric-card {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    text-align: left;
    padding: var(--space-3) var(--space-4);
  }

  .cs-funnel {
    padding: var(--space-4);
    overflow-x: auto;
  }

  .cs-funnel__bar {
    height: 40px;
  }

  .cs-funnel__bar--3,
  .cs-funnel__bar--4 {
    min-width: 100px;
  }

  .cs-funnel__bar-label {
    font-size: 11px;
  }

  .cs-funnel__pct {
    font-size: 11px;
  }

  .cs-takeaway {
    padding: var(--space-4) var(--space-5);
  }

  .phase--watermark::before {
    font-size: 100px;
    top: 8px;
    left: -8px;
  }

  .deliverable-card--accented::before {
    font-size: 80px;
    top: -12px;
    right: -6px;
  }

  .deliverable-card--accented {
    padding: var(--space-4);
  }
}