/* Decoding Tech — design tokens & layout */

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/plus-jakarta-sans-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/plus-jakarta-sans-semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/plus-jakarta-sans-bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/geist-mono-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/geist-mono-semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #02194f;
  --obsidian: #080b11;
  --black: #000000;
  --white: #ffffff;
  --offwhite: #f8fafc;
  --muted: #64748b;
  --border: color-mix(in srgb, var(--navy) 18%, var(--white));
  --border-strong: color-mix(in srgb, var(--navy) 35%, var(--white));
  --surface: var(--white);
  --surface-dark: var(--obsidian);
  --error: #b91c1c;
  --error-bg: #fef2f2;
  --success: #15803d;
  --success-bg: #f0fdf4;
  --font-sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 80rem;
  --content-padding: clamp(1.5rem, 8vw, 7rem);
  --header-height: 4.25rem;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--obsidian);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-4);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--content-padding);
}

.section {
  padding-block: var(--space-16);
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.section--dark {
  background: var(--obsidian);
  color: var(--offwhite);
}

.section--offwhite {
  background: var(--offwhite);
}

.section__eyebrow {
  display: inline-block;
  margin-bottom: var(--space-4);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.section--dark .section__eyebrow {
  color: color-mix(in srgb, var(--offwhite) 60%, transparent);
}

.section__title {
  margin: 0 0 var(--space-4);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-align: center;
}

.section__lead {
  margin: 0;
  font-size: 1.125rem;
  color: var(--muted);
}

.section--dark .section__lead {
  color: color-mix(in srgb, var(--offwhite) 75%, transparent);
}

.about__body {
  margin: var(--space-4) 0 0;
  font-size: 1.125rem;
  color: var(--muted);
}

.about-founder {
  display: grid;
  gap: var(--space-10);
  margin-top: var(--space-10);
  align-items: start;
}

.about-founder__people {
  display: grid;
  gap: var(--space-10);
}

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

.about-founder__person {
  margin: 0;
  min-width: 0;
}

.about-founder__photo {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.about-founder__name {
  margin: var(--space-4) 0 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
}

.about-founder__role {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.about-founder__bio {
  margin: var(--space-3) 0 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.about-founder__family .section__lead {
  text-align: left;
}

.about-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-8);
  margin: var(--space-8) 0 0;
  padding: var(--space-5) 0 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.about-trust__item {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--white) 92%, transparent);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.logo__mark {
  width: auto;
  height: 2.5rem;
  flex-shrink: 0;
  object-fit: contain;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-8);
  font-size: 0.9375rem;
  font-weight: 500;
}

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

.nav-mobile {
  display: block;
}

.nav-mobile summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

.nav-mobile summary::-webkit-details-marker {
  display: none;
}

.nav-mobile__panel {
  position: absolute;
  right: 1rem;
  top: calc(var(--header-height) - 0.25rem);
  min-width: 12rem;
  padding: var(--space-4);
  background: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--navy) 12%, transparent);
}

.nav-mobile__panel a {
  display: block;
  padding: var(--space-2) 0;
  font-weight: 500;
}

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

  .nav-mobile {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: color-mix(in srgb, var(--navy) 88%, var(--white));
}

.btn--secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--border-strong);
}

.btn--secondary:hover {
  background: var(--offwhite);
}

.btn--ghost-light {
  background: transparent;
  color: var(--offwhite);
  border-color: color-mix(in srgb, var(--offwhite) 35%, transparent);
}

.btn--ghost-light:hover {
  background: color-mix(in srgb, var(--offwhite) 8%, transparent);
}

.btn--lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

.hero__actions .btn {
  width: fit-content;
}

/* Hero */
.hero {
  padding-block: var(--space-16) var(--space-12);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--navy) 4%, var(--white)) 0%, var(--white) 48%),
    var(--white);
  border-bottom: 1px solid var(--border);
}

.hero__grid {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 960px) {
  .hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  padding: var(--space-2) var(--space-3);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  background: color-mix(in srgb, var(--navy) 6%, var(--white));
  border: 1px solid var(--border);
  border-radius: 999px;
}

.hero__title {
  margin: 0 0 var(--space-5);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--navy);
}

.hero__subtitle {
  margin: 0 0 var(--space-8);
  font-size: 1.125rem;
  color: var(--muted);
}

.hero__cta-note {
  margin: 0 0 var(--space-8);
  font-size: 0.875rem;
  color: var(--muted);
}

.hero__actions {
  display: flex;
  margin-bottom: var(--space-3);
}

.hero__credibility {
  display: grid;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

@media (min-width: 640px) {
  .hero__credibility {
    grid-template-columns: repeat(3, 1fr);
  }
}

.credibility-item__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: var(--space-1);
}

.credibility-item__value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--obsidian);
}

.stack-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.stack-badge {
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* Hero visual */
.hero-visual {
  position: relative;
  padding: var(--space-4);
  background: var(--obsidian);
  border: 1px solid color-mix(in srgb, var(--white) 12%, transparent);
  border-radius: var(--radius-lg);
}

.hero-visual__chrome {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding: var(--space-1) var(--space-2) var(--space-3);
  border-bottom: 1px solid color-mix(in srgb, var(--white) 10%, transparent);
}

.hero-visual__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--white) 25%, transparent);
}

.hero-visual__dot--active {
  background: var(--navy);
}

.hero-visual__label {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: color-mix(in srgb, var(--offwhite) 55%, transparent);
}

.app-sketch {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: var(--space-3);
  min-height: 16rem;
  padding: var(--space-3);
  background: var(--offwhite);
  border-radius: var(--radius-md);
}

.app-sketch__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-2);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.app-sketch__mark {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
  margin-inline: auto;
  background: var(--navy);
  border-radius: var(--radius-sm);
}

.app-sketch__rail {
  display: block;
  height: 0.375rem;
  background: var(--border-strong);
  border-radius: 999px;
}

.app-sketch__rail--short {
  width: 55%;
}

.app-sketch__rail--mid {
  width: 75%;
}

.app-sketch__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.app-sketch__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.app-sketch__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.app-sketch__bar {
  display: block;
  height: 0.4rem;
  background: var(--border-strong);
  border-radius: 999px;
}

.app-sketch__bar--label {
  width: 42%;
}

.app-sketch__bar--value {
  width: 78%;
  height: 0.7rem;
  background: var(--navy);
}

.app-sketch__bar--mid {
  width: 58%;
}

.app-sketch__bar--short {
  width: 40%;
}

.app-sketch__chart {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
  height: 5.5rem;
  padding: var(--space-3) var(--space-4);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.app-sketch__chart span {
  flex: 1;
  height: var(--h, 50%);
  background: var(--navy);
  opacity: 0.85;
  border-radius: 2px 2px 0 0;
}

.app-sketch__chart span:nth-child(even) {
  opacity: 0.45;
}

.app-sketch__rows {
  display: grid;
  gap: var(--space-2);
}

.app-sketch__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.7rem 0.75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.app-sketch__row i {
  display: block;
  height: 0.4rem;
  background: var(--border-strong);
  border-radius: 999px;
}

.app-sketch__row i:first-child {
  width: 46%;
}

.app-sketch__row i:last-child {
  width: 18%;
}

.app-sketch__row:nth-child(2) i:first-child {
  width: 62%;
}

.app-sketch__row:nth-child(3) i:first-child {
  width: 38%;
}

/* Metrics bar */
.metrics-bar {
  padding-block: var(--space-10);
  background: var(--navy);
  color: var(--white);
  border-block: 1px solid color-mix(in srgb, var(--white) 12%, transparent);
}

.metrics-bar__grid {
  display: grid;
  gap: var(--space-8);
  text-align: center;
}

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

.metrics-bar__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.metrics-bar__label {
  display: block;
  margin-top: var(--space-2);
  font-size: 0.9375rem;
  color: color-mix(in srgb, var(--white) 75%, transparent);
}

/* Four-step process */
.process-grid {
  display: grid;
  gap: var(--space-6);
  margin: var(--space-10) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  padding: var(--space-6);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius-sm);
}

.process-step__title {
  margin: 0 0 var(--space-3);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
}

.process-step__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* Services grid */
.services-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  padding: var(--space-8);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--navy) 6%, transparent);
}

.service-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-5);
  color: var(--navy);
}

.service-card__title {
  margin: 0 0 var(--space-3);
  font-size: 1.125rem;
  font-weight: 700;
}

.service-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* Stack section */
.stack-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

@media (min-width: 640px) {
  .stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .stack-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stack-item {
  padding: var(--space-5);
  text-align: center;
  background: color-mix(in srgb, var(--white) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--white) 12%, transparent);
  border-radius: var(--radius-md);
}

.stack-item__name {
  font-size: 0.9375rem;
  font-weight: 600;
}

.stack-item__role {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--offwhite) 65%, transparent);
}

.form-optional {
  font-weight: 400;
  color: var(--muted);
}

/* Contact form */
.contact-section {
  background: var(--white);
}

.contact-grid {
  display: grid;
  gap: var(--space-10);
  margin-top: var(--space-10);
}

@media (min-width: 960px) {
  .contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}

.contact-aside__list {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.contact-aside__list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--muted);
}

.contact-aside__list li + li {
  margin-top: var(--space-3);
}

.contact-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--navy);
}

.form-card {
  padding: var(--space-8);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.form-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .form-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--obsidian);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 0.875rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--obsidian);
  background: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy);
}

.form-field textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-consents {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--obsidian);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
  accent-color: var(--navy);
  cursor: pointer;
}

.form-check a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.form-microcopy {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.is-hidden {
  display: none !important;
}

.form-error {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  color: var(--error);
  background: var(--error-bg);
  border: 1px solid var(--error);
  border-radius: var(--radius-md);
}

.form-field__error {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--error);
}

.lead-form-success {
  padding: var(--space-8);
  text-align: center;
  background: var(--success-bg);
  border: 1px solid var(--success);
  border-radius: var(--radius-lg);
}

.lead-form-success h3 {
  margin: 0 0 var(--space-2);
  color: var(--success);
}

.lead-form-success p {
  margin: 0;
  color: var(--obsidian);
}

.btn--primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Case studies */
.case-study--featured {
  display: grid;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding: var(--space-6);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

@media (min-width: 768px) {
  .case-study--featured {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    padding: var(--space-8);
  }
}

.case-study__media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.case-study--featured .case-study__title {
  font-size: 1.5rem;
}

.case-study__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.case-study--featured .btn {
  margin-top: var(--space-5);
}

.case-studies-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

@media (min-width: 768px) {
  .case-studies-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-study {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.case-study.case-study--featured {
  display: grid;
}

.case-study__vertical {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: var(--space-4);
}

.case-study__title {
  margin: 0 0 var(--space-4);
  font-size: 1.0625rem;
  font-weight: 700;
}

.case-study__block {
  margin-bottom: var(--space-4);
}

.case-study__block-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: var(--space-1);
}

.case-study__block-text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--obsidian);
}

.case-study__result {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
}

/* FAQ */
.faq-list {
  margin-top: var(--space-10);
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-5) var(--space-6);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--navy);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item__answer {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Footer */
.site-footer {
  padding-block: var(--space-12);
  background: var(--obsidian);
  color: color-mix(in srgb, var(--offwhite) 75%, transparent);
  border-top: 1px solid color-mix(in srgb, var(--white) 10%, transparent);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.site-footer__brand {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.site-footer__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 var(--space-4);
}

.site-footer nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer nav li + li {
  margin-top: var(--space-2);
}

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

.site-footer__bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid color-mix(in srgb, var(--white) 10%, transparent);
  font-size: 0.8125rem;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
}

/* Privacy page */
.legal-page {
  padding-block: var(--space-16);
}

.legal-page h1 {
  font-size: 2rem;
  color: var(--navy);
  margin: 0 0 var(--space-6);
}

.legal-page h2 {
  font-size: 1.25rem;
  margin: var(--space-8) 0 var(--space-3);
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.legal-page p,
.legal-page li {
  color: var(--muted);
}

.legal-page ul {
  padding-left: 1.25rem;
}

.legal-page a {
  color: var(--navy);
}

/* Sticky mobile CTA */
.sticky-cta {
  display: none;
}

@media (max-width: 767px) {
  .site-header .btn {
    display: none;
  }

  .sticky-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    right: var(--space-4);
    bottom: var(--space-4);
    left: var(--space-4);
    z-index: 40;
    padding: 0.875rem 1.25rem;
    font-weight: 600;
    color: var(--white);
    background: var(--navy);
    border-radius: var(--radius-md);
  }

  body {
    padding-bottom: 5.5rem;
  }

  .contact-section {
    padding-bottom: calc(var(--space-16) + 5.5rem);
    scroll-margin-bottom: 5.5rem;
  }
}