/* ================================================
   EXEC AI LABS — Master Stylesheet
   ================================================ */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-primary: #011D35;
  --color-accent: #2563eb;
  --color-accent-light: #3b82f6;
  --color-orange: #f97316;
  --color-orange-light: #fb923c;
  --color-bg: #F8F9FA;
  --color-surface-light: #F3F4F5;
  --color-surface-med: #E7E8E9;
  --color-surface-dark: #E1E3E4;
  --color-text: #191C1D;
  --color-text-muted: #43474D;
  --color-outline: #74777E;
  --color-footer-bg: #0A0F14;
  --color-white: #FFFFFF;

  /* Typography */
  --font-headline: 'Manrope', system-ui, sans-serif;
  --font-body: 'Work Sans', system-ui, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Layout */
  --container-max: 1440px;
  --container-pad: 48px;

  /* Border Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

ul, ol {
  list-style: none;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
  z-index: 1000;
  transition: top 200ms ease;
}

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

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* --- Grid --- */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-xl);
}

/* --- Typography --- */
.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.eyebrow--light {
  color: var(--color-orange-light);
}

h1, .h1 {
  font-family: var(--font-headline);
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

h2, .h2 {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h3, .h3 {
  font-family: var(--font-headline);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h4, .h4 {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}

.body-lg {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.7;
}

.body-sm {
  font-size: 0.875rem;
  font-weight: 400;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-max-width {
  max-width: 680px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 16px 40px;
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 200ms ease;
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-orange-light);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn--ghost-dark {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(1, 29, 53, 0.2);
}

.btn--ghost-dark:hover {
  background: rgba(1, 29, 53, 0.05);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 80px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  transition: background 300ms ease, box-shadow 300ms ease;
}

.nav--scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

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

.nav__link {
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color 200ms ease;
}

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

.nav__cta {
  padding: 12px 28px;
  font-size: 13px;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all 300ms ease;
}

.nav__mobile {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: var(--space-2xl);
  flex-direction: column;
  gap: var(--space-lg);
  z-index: 99;
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile a {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav__mobile a:hover {
  color: var(--color-orange);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  padding-top: 80px;
  overflow: hidden;
}

.hero--short {
  min-height: auto;
  padding-top: calc(80px + var(--space-5xl));
  padding-bottom: var(--space-5xl);
}

.hero__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  min-height: calc(100vh - 80px);
}

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

.hero__visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero__metric {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--color-orange);
  padding: var(--space-lg) var(--space-xl);
  transition: background 300ms ease;
}

.hero__metric:hover {
  background: rgba(255, 255, 255, 0.07);
}

.hero__metric-number {
  display: block;
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-orange-light);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.hero__metric-label {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.hero__content--centered {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  font-size: 3.5rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.hero h2 {
  color: var(--color-white);
  margin-top: var(--space-lg);
}

.hero p {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
  font-size: 1.25rem;
  max-width: 540px;
  line-height: 1.7;
}

.hero__content--centered p {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.hero__actions--centered {
  justify-content: center;
}

/* --- Sections --- */
.section {
  padding: var(--space-4xl) 0;
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--light {
  background-color: var(--color-bg);
}

.section--white {
  background-color: var(--color-white);
}

.section__header {
  margin-bottom: var(--space-3xl);
}

.section__header--centered {
  text-align: center;
}

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

.section__header h2 {
  margin-bottom: var(--space-lg);
}

.section__header p {
  max-width: 600px;
}

.section__header--centered p {
  margin-left: auto;
  margin-right: auto;
}

.section--dark .section__header p {
  color: rgba(255, 255, 255, 0.7);
}

/* --- Stat Cards --- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.stat-card {
  padding: var(--space-2xl);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stat-card:nth-child(1) { background: var(--color-surface-light); }
.stat-card:nth-child(2) { background: var(--color-surface-med); }
.stat-card:nth-child(3) { background: var(--color-surface-dark); }

.stat-card__number {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-orange);
  letter-spacing: -0.02em;
}

.stat-card__text {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-top: var(--space-md);
  flex: 1;
}

.stat-card__source {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding-top: var(--space-md);
  margin-top: var(--space-lg);
}

/* --- Audience Cards --- */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.audience-card {
  background: var(--color-surface-light);
  padding: var(--space-2xl);
  border-top: 3px solid var(--color-orange);
}

.audience-card__title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.audience-card__body {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.audience-card__examples {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-lg);
}

@media (max-width: 767px) {
  .audience-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Service / Feature Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.card {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-sm);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.section--dark .card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.section--dark .card:hover {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.card__icon {
  font-size: 2rem;
  color: var(--color-orange);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(249, 115, 22, 0.08);
  border-radius: var(--radius-lg);
}

.section--dark .card__icon {
  background: rgba(249, 115, 22, 0.15);
  color: var(--color-orange-light);
}

.card__title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.section--dark .card__title {
  color: var(--color-white);
}

.card__text {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.section--dark .card__text {
  color: rgba(255, 255, 255, 0.6);
}

/* --- Portfolio / Case Study Blocks --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-xl);
  align-items: start;
}

.portfolio-block:nth-child(2) {
  margin-top: var(--space-4xl);
}

.portfolio-block__image {
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
}

.portfolio-block__image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform 700ms ease;
}

.portfolio-block:hover .portfolio-block__image img {
  transform: scale(1.05);
}

.portfolio-block__title {
  font-family: var(--font-headline);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
}

.portfolio-block__text {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.portfolio-block__link {
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: gap 200ms ease;
}

.portfolio-block__link:hover {
  gap: var(--space-md);
}

/* --- Feature Block (Text + Image) --- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.feature-block--reversed {
  direction: rtl;
}

.feature-block--reversed > * {
  direction: ltr;
}

.feature-block__text .eyebrow {
  margin-bottom: var(--space-md);
}

.feature-block__text h2 {
  margin-bottom: var(--space-xl);
}

.feature-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.feature-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-orange);
  font-size: 1.25rem;
  margin-top: 2px;
}

.feature-item__title {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.feature-item__text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.feature-block__image {
  position: relative;
}

.feature-block__image img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 500px;
  object-fit: cover;
}

/* --- Framework Diagram --- */
.framework-diagram {
  background: var(--color-primary);
  padding: var(--space-2xl);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.framework-diagram .eyebrow {
  color: var(--color-orange-light);
  margin-bottom: var(--space-xl);
  display: block;
}

.framework-diagram__steps {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}

.framework-step {
  display: flex;
  gap: var(--space-lg);
}

.framework-step__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 40px;
}

.framework-step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-headline);
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--color-orange-light);
  border: 2px solid var(--color-orange);
  border-radius: 50%;
  flex-shrink: 0;
}

.framework-step__line {
  width: 2px;
  flex: 1;
  background: linear-gradient(to bottom, var(--color-orange), rgba(249, 115, 22, 0.2));
  margin: var(--space-xs) 0;
}

.framework-step__content {
  padding-bottom: var(--space-xl);
}

.framework-step:last-child .framework-step__content {
  padding-bottom: 0;
}

.framework-step__title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.framework-step__text {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--color-surface-light);
  border-top: 3px solid var(--color-orange);
  padding: var(--space-4xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.cta-section p {
  color: var(--color-text-muted);
  font-size: 1.25rem;
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

/* --- Process / Steps --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  counter-reset: process;
}

.process-step {
  counter-increment: process;
  padding: var(--space-xl);
}

.process-step__number {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-orange);
  opacity: 0.3;
  margin-bottom: var(--space-md);
}

.process-step__title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.process-step__text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --- Insights / Blog Cards --- */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.insight-card {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.insight-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.insight-card__image {
  height: 220px;
  overflow: hidden;
}

.insight-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.insight-card:hover .insight-card__image img {
  transform: scale(1.05);
}

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

.insight-card__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-md);
}

.insight-card__title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.insight-card__excerpt {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.insight-card__date {
  font-size: 0.8125rem;
  color: var(--color-outline);
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

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

.form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-surface-dark);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color 200ms ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-info p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.contact-detail {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.contact-detail__icon {
  color: var(--color-orange);
  font-size: 1.25rem;
  margin-top: 2px;
}

.contact-detail__text {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.contact-detail__text strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: 2px;
}

/* --- Values Grid --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* --- Footer --- */
.footer {
  background-color: var(--color-footer-bg);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-top: var(--space-md);
  max-width: 320px;
}

.footer__brand img {
  height: 40px;
}

.footer__heading {
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.footer__links a {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9375rem;
  padding: var(--space-xs) 0;
  transition: color 200ms ease;
}

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

.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-orange-light);
  font-size: 1.125rem;
  transition: all 200ms ease;
}

.footer__social a:hover {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-white);
}

.footer__bottom {
  padding-top: var(--space-xl);
  text-align: center;
}

.footer__copyright {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.25);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive: Tablet --- */
@media (max-width: 1023px) {
  :root {
    --container-pad: 24px;
  }

  h1, .h1 { font-size: 3rem; }
  h2, .h2 { font-size: 2.25rem; }
  h3, .h3 { font-size: 1.5rem; }

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

  .hero__metric-number {
    font-size: 2rem;
  }

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

  .stat-card {
    min-height: auto;
  }

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

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

  .portfolio-block:nth-child(2) {
    margin-top: 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .feature-block--reversed {
    direction: ltr;
  }

  .feature-block__image {
    order: -1;
  }

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

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

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

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

/* --- Responsive: Mobile --- */
@media (max-width: 767px) {
  :root {
    --container-pad: 16px;
  }

  h1, .h1 { font-size: 2.5rem; }
  h2, .h2 { font-size: 2rem; }
  h3, .h3 { font-size: 1.5rem; }
  .body-lg { font-size: 1.125rem; }

  .nav__links {
    display: none;
  }

  .nav__cta.desktop-only {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(80px + var(--space-3xl));
    padding-bottom: var(--space-3xl);
  }

  .hero__split {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__metric-number {
    font-size: 1.75rem;
  }

  .hero--short {
    padding-top: calc(80px + var(--space-3xl));
    padding-bottom: var(--space-3xl);
  }

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

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

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

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

  .cta-section {
    padding: var(--space-4xl) 0;
  }
}