/* The Decisioning Layer — Executive Design System */

:root {
  --navy-deep: #060d18;
  --navy: #0a1628;
  --navy-mid: #0f1d32;
  --charcoal: #141e2e;
  --charcoal-light: #1e2a3d;
  --slate: #2a3a52;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --white: #f8fafc;
  --white-muted: #cbd5e1;
  --gray: #94a3b8;
  --blue: #3b82f6;
  --blue-bright: #60a5fa;
  --blue-deep: #1d4ed8;
  --blue-glow: rgba(59, 130, 246, 0.15);
  --gradient-hero: linear-gradient(135deg, #060d18 0%, #0f1d32 50%, #0a1628 100%);
  --gradient-card: linear-gradient(145deg, rgba(30, 42, 61, 0.6) 0%, rgba(10, 22, 40, 0.8) 100%);
  --gradient-accent: linear-gradient(90deg, #1d4ed8, #3b82f6, #60a5fa);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 4px;
  --radius-lg: 8px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --content-width: 720px;
  --header-height: 72px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --header-offset: calc(var(--header-height) + var(--safe-top));
  --media-ratio-hero: 4 / 3;
  --media-ratio-card: 16 / 10;
  --media-ratio-portrait: 3 / 4;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--white-muted);
  background: var(--navy-deep);
  min-height: 100vh;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--blue-bright);
  text-decoration: none;
  transition: color var(--transition);
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.375rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p + p { margin-top: 1.25rem; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: max(var(--space-md), var(--safe-left));
  padding-right: max(var(--space-md), var(--safe-right));
}

.container--narrow {
  max-width: var(--content-width);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-top: var(--safe-top);
  background: rgba(6, 13, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: max(var(--space-md), var(--safe-left));
  padding-right: max(var(--space-md), var(--safe-right));
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
}

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

.brand__mark {
  display: block;
  height: 44px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.brand__byline {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray);
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white-muted);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--blue-bright);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--white);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--white);
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  min-height: 44px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.25);
}

.btn--primary:hover {
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.35);
}

.btn--secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-light);
}

.btn--secondary:hover {
  border-color: var(--blue);
  color: var(--white);
  background: var(--blue-glow);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-offset) + var(--space-xl)) 0 var(--space-xl);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(29, 78, 216, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: var(--space-md);
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  color: var(--white-muted);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.hero__copy {
  font-size: 1.0625rem;
  max-width: 520px;
  margin-bottom: var(--space-lg);
  color: var(--gray);
}

.hero__visual {
  position: relative;
  z-index: 1;
}

.hero__visual img,
.hero__visual svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.4));
}

/* Sections */
.section {
  padding: var(--space-2xl) 0;
}

.section--alt {
  background: var(--navy);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__header {
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

.section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: var(--space-sm);
}

.section__title {
  margin-bottom: var(--space-md);
}

.section__lead {
  font-size: 1.1875rem;
  color: var(--gray);
  line-height: 1.65;
}

/* Pillar Cards */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.pillar-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  color: var(--blue-bright);
}

.pillar-card__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
}

.pillar-card__text {
  font-size: 0.9375rem;
  color: var(--gray);
  line-height: 1.6;
}

/* Article Cards */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.article-card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.article-card--featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.article-card__image {
  aspect-ratio: 16/10;
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}

.article-card--featured .article-card__image {
  aspect-ratio: auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-mid);
}

.article-card__image img,
.article-card__image svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card--featured .article-card__image img,
.article-card--featured .article-card__image svg {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center;
}

.article-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card__category {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 0.75rem;
}

.article-card__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
  color: var(--white);
}

.article-card--featured .article-card__title {
  font-size: 1.75rem;
}

.article-card__excerpt {
  font-size: 0.9375rem;
  color: var(--gray);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.25rem;
}

.article-card__link {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-bright);
}

.article-card__link:hover {
  color: var(--white);
}

.contact-link + .contact-link {
  margin-top: 0.75rem;
}

.contact-details {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.contact-details__list {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.contact-details__list a {
  color: var(--blue-bright);
  font-weight: 500;
}

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

/* Newsletter */
.newsletter {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--charcoal) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.newsletter__title {
  margin-bottom: var(--space-sm);
}

.newsletter__copy {
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  color: var(--gray);
}

.newsletter__form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}

.form-input {
  flex: 1;
  min-height: 44px;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--white);
  background: rgba(6, 13, 24, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition);
}

.form-input:focus {
  border-color: var(--blue);
}

.form-input::placeholder {
  color: var(--gray);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-bottom: 0.5rem;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  width: 100%;
}

.form-success {
  display: none;
  padding: 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius);
  color: var(--blue-bright);
  margin-top: 1rem;
}

.form-success--visible {
  display: block;
}

.form-error--visible {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

/* Page Hero (inner pages) */
.page-hero {
  padding: calc(var(--header-offset) + var(--space-xl)) 0 var(--space-xl);
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border);
}

.page-hero__title {
  margin-bottom: var(--space-sm);
}

.page-hero__subtitle {
  font-size: 1.25rem;
  color: var(--gray);
  max-width: 640px;
  line-height: 1.6;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}

.filter-btn {
  min-height: 44px;
  padding: 0.625rem 1.125rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn--active {
  color: var(--white);
  border-color: var(--blue);
  background: var(--blue-glow);
}

/* Concept Page */
.concept-block {
  max-width: var(--content-width);
  margin-bottom: var(--space-xl);
}

.concept-block__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.concept-block p {
  color: var(--white-muted);
}

.components-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: var(--space-lg) 0;
}

.component-item {
  padding: 1.5rem;
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--blue);
}

.component-item__number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue-bright);
  margin-bottom: 0.5rem;
}

.component-item__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--white);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.headshot {
  aspect-ratio: 3/4;
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.headshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
}

.headshot__placeholder {
  text-align: center;
  color: var(--gray);
  font-size: 0.875rem;
}

.headshot__initials {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--slate);
  margin-bottom: 0.5rem;
}

.expertise-list {
  display: grid;
  gap: 1.5rem;
  margin-top: var(--space-lg);
}

.expertise-item {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.expertise-item:last-child {
  border-bottom: none;
}

.expertise-item h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.expertise-item p {
  color: var(--gray);
  font-size: 0.9375rem;
}

/* Speaking */
.topics-list {
  list-style: none;
  margin: var(--space-lg) 0;
}

.topics-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 1.0625rem;
  color: var(--white-muted);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topics-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Article Page */
.article-header {
  padding: calc(var(--header-offset) + var(--space-xl)) 0 var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.article-hero {
  margin: 0 0 var(--space-lg);
  padding: 0 var(--space-md);
}

.article-hero img {
  display: block;
  width: 100%;
  max-width: 1120px;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--space-md);
  font-size: 0.8125rem;
  color: var(--gray);
}

.article-header__category {
  color: var(--blue-bright);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-header__title {
  max-width: 800px;
  margin-bottom: var(--space-md);
}

.article-header__excerpt {
  font-size: 1.25rem;
  color: var(--gray);
  max-width: 680px;
  line-height: 1.6;
}

.article-body {
  padding: var(--space-xl) 0;
}

.article-body h2 {
  font-size: 1.75rem;
  margin: var(--space-xl) 0 var(--space-md);
}

.article-body h3 {
  font-size: 1.375rem;
  margin: var(--space-lg) 0 var(--space-sm);
}

.article-body p {
  margin-bottom: 1.25rem;
  color: var(--white-muted);
}

.article-body p em {
  color: var(--gray);
  font-size: 0.9375rem;
}

.article-body a {
  color: var(--blue-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body ul, .article-body ol {
  margin: 1.25rem 0 1.25rem 1.5rem;
  color: var(--white-muted);
}

.article-body li {
  margin-bottom: 0.5rem;
}

.pull-quote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  border-left: 3px solid var(--blue);
  background: var(--charcoal);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.pull-quote p {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--white);
  line-height: 1.45;
  margin: 0;
}

.pull-quote cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-style: normal;
  color: var(--gray);
}

.section-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
  margin: var(--space-xl) 0;
}

.share-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--border);
  margin-top: var(--space-xl);
}

.share-bar__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.625rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white-muted);
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.share-btn:hover {
  color: var(--white);
  border-color: var(--blue);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
}

.contact-info p {
  color: var(--gray);
  margin-bottom: var(--space-md);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  margin-top: var(--space-sm);
}

.contact-form {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  border-top: 1px solid var(--border);
  padding: var(--space-xl) 0 max(var(--space-lg), var(--safe-bottom));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  font-size: 0.9375rem;
  color: var(--gray);
  margin-top: 1rem;
  max-width: 320px;
}

.footer-nav h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1rem;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.5rem;
}

.footer-nav a {
  font-size: 0.9375rem;
  color: var(--white-muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--gray);
}

/* Diagram visual for concept page */
.concept-visual {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.concept-visual img,
.concept-visual svg {
  display: block;
  width: 100%;
  max-width: 40rem;
  height: auto;
  margin: 0 auto;
}

/* Utility */
.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .section {
    padding: var(--space-xl) 0;
  }

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

  .hero__visual {
    order: -1;
    width: 100%;
    max-width: none;
    aspect-ratio: var(--media-ratio-hero);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 22, 40, 0.35);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  .hero__visual img,
  .hero__visual svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
  }

  .about-grid .headshot {
    width: min(42vw, 13.5rem);
    justify-self: center;
    margin: 0 auto;
  }

  .article-card--featured .article-card__image {
    aspect-ratio: var(--media-ratio-card);
    min-height: 0;
    max-height: none;
    height: auto;
  }

  .article-card--featured .article-card__image img,
  .article-card--featured .article-card__image svg {
    max-height: none;
    height: 100%;
    object-fit: contain;
  }

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

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

  .article-card--featured {
    grid-column: span 2;
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  :root {
    --space-sm: clamp(0.75rem, 3.5vw, 1rem);
    --space-md: clamp(1rem, 4vw, 1.5rem);
    --space-lg: clamp(1.25rem, 5vw, 2.5rem);
    --space-xl: clamp(1.75rem, 7vw, 4rem);
  }

  body {
    font-size: clamp(1rem, 3.8vw, 1.0625rem);
  }

  h1,
  .hero__title,
  .page-hero__title {
    font-size: clamp(1.875rem, 7.5vw, 2.75rem);
  }

  h2,
  .section__title {
    font-size: clamp(1.5rem, 6vw, 2.25rem);
  }

  h3 {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }

  .hero__subtitle,
  .page-hero__subtitle,
  .article-header__excerpt {
    font-size: clamp(1.0625rem, 4.2vw, 1.25rem);
  }

  .brand__title {
    font-size: clamp(0.9375rem, 3.8vw, 1.125rem);
  }

  .brand__byline {
    font-size: clamp(0.5625rem, 2.5vw, 0.6875rem);
  }

  .container {
    padding-left: max(0.875rem, var(--safe-left));
    padding-right: max(0.875rem, var(--safe-right));
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .section__header {
    margin-bottom: var(--space-lg);
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-offset) + var(--space-lg)) 0 var(--space-lg);
  }

  .hero__grid {
    gap: var(--space-md);
  }

  .hero__copy {
    max-width: none;
    font-size: clamp(0.9375rem, 3.8vw, 1.0625rem);
  }

  .hero__visual {
    max-width: none;
    width: 100%;
    aspect-ratio: auto;
    height: auto;
    background: transparent;
    border: none;
  }

  .hero__visual img,
  .hero__visual svg {
    width: 112%;
    max-width: none;
    height: auto;
    object-fit: contain;
    object-position: center;
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.35));
    margin-left: -6%;
  }

  .page-hero {
    padding: calc(var(--header-offset) + var(--space-lg)) 0 var(--space-lg);
  }

  .page-hero__subtitle {
    max-width: none;
  }

  .article-header {
    padding: calc(var(--header-offset) + var(--space-lg)) 0 var(--space-md);
  }

  .article-hero {
    width: 100%;
    aspect-ratio: auto;
    height: auto;
    padding: 0;
    margin: 0 0 var(--space-md);
    background: transparent;
    display: block;
  }

  .article-hero img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 28px rgba(0, 0, 0, 0.25);
  }

  .about-grid {
    justify-items: center;
  }

  .about-grid > div:last-child {
    width: 100%;
  }

  .about-grid .headshot {
    width: min(68vw, 19rem);
    margin: 0 0 var(--space-md);
  }

  .about-grid .headshot img {
    transform: scale(1.12);
    transform-origin: center 20%;
  }

  .concept-visual {
    margin: var(--space-lg) 0;
    padding: 0;
    overflow: hidden;
  }

  .concept-visual img,
  .concept-visual svg {
    width: 112%;
    max-width: none;
    aspect-ratio: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    margin-left: -6%;
  }

  .article-card__image,
  .article-card--featured .article-card__image {
    aspect-ratio: 4 / 3;
    width: 100%;
    height: auto;
    min-height: 0;
    max-height: none;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .article-card__image img,
  .article-card__image svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .article-card--featured .article-card__image img,
  .article-card--featured .article-card__image svg {
    object-fit: contain;
  }

  .article-card__body {
    padding: clamp(1.125rem, 4vw, 1.75rem);
  }

  .article-body {
    padding: var(--space-lg) 0;
  }

  .article-body h2 {
    font-size: 1.5rem;
    margin: var(--space-lg) 0 var(--space-md);
  }

  .pull-quote {
    margin: var(--space-lg) 0;
    padding: var(--space-md);
  }

  .pull-quote p {
    font-size: 1.25rem;
  }

  .newsletter {
    padding: var(--space-lg);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
  }

  .nav {
    position: fixed;
    top: var(--header-offset);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-deep);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem max(1rem, var(--safe-right)) max(0.5rem, var(--safe-bottom)) max(1rem, var(--safe-left));
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: flex;
  }

  .pillars,
  .insights-grid {
    grid-template-columns: 1fr;
  }

  .article-card--featured {
    grid-column: span 1;
  }

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

  .newsletter__form {
    flex-direction: column;
  }

  .newsletter__form .btn {
    width: 100%;
    min-height: 44px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .share-bar {
    gap: 0.5rem 0.75rem;
  }

  .contact-link {
    min-height: 44px;
    align-items: center;
  }

  .contact-form .btn {
    width: 100%;
  }
}

@media (min-width: 520px) and (max-width: 768px) {
  .pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .insights-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-card--featured {
    grid-column: span 2;
  }
}