/*
 * Infitics Design System — Phase 2
 * Direction: quiet engineering precision
 */

/* ==========================================================================
   1. Foundations
   ========================================================================== */

:root {
  color-scheme: light;
  --font-sans: Inter, "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --ink: #101318;
  --ink-soft: #303741;
  --muted: #5b6470;
  --muted-light: #77818e;
  --canvas: #f7f7f4;
  --surface: #ffffff;
  --surface-quiet: #eff1f3;
  --surface-blue: #eaf1fb;
  --line: #d9dde2;
  --line-strong: #b9c0c9;
  --blue: #195dbc;
  --blue-dark: #12478f;
  --green: #14745f;
  --error: #b42318;
  --white: #ffffff;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-28: 7rem;
  --space-36: 9rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --shell: 75rem;
  --reading: 45rem;
  --header-height: 4.5rem;
  --transition: 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding-top: var(--header-height);
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.mobile-nav-active {
  overflow: hidden;
}

main {
  display: block;
}

section[id] {
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

::selection {
  background: var(--surface-blue);
  color: var(--ink);
}

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

img {
  height: auto;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

a {
  color: var(--blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--blue-dark);
}

:focus-visible {
  outline: 3px solid rgba(25, 93, 188, 0.35);
  outline-offset: 3px;
}

p,
ul,
ol,
dl,
blockquote,
figure {
  margin-top: 0;
}

p {
  margin-bottom: var(--space-6);
  color: var(--muted);
}

ul,
ol {
  margin-bottom: var(--space-6);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 680;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1.03;
}

h2 {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  line-height: 1.08;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.625rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h4 {
  font-size: 1.125rem;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

h5,
h6 {
  font-size: 1rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.text-gradient {
  display: inline;
  background: none;
  color: var(--blue);
  -webkit-text-fill-color: currentColor;
}

.eyebrow,
.case-study-label,
.project-category,
.resource-label {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.4;
  text-transform: uppercase;
}

.container {
  width: min(calc(100% - 4rem), var(--shell));
  margin-inline: auto;
  padding-inline: 0;
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-inline: -0.75rem;
}

.row > * {
  width: 100%;
  padding-inline: 0.75rem;
}

.d-flex { display: flex !important; }
.d-none { display: none !important; }
.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }
.text-center { text-align: center !important; }
.img-fluid { max-width: 100%; height: auto; }
.w-100 { width: 100% !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-4 { margin-bottom: var(--space-8) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-4 { margin-top: var(--space-8) !important; }
.ms-3 { margin-left: var(--space-3) !important; }
.rounded { border-radius: var(--radius-md) !important; }

@media (min-width: 48rem) {
  .col-md-4 { width: 33.3333%; }
  .col-md-6 { width: 50%; }
  .col-md-12 { width: 100%; }
}

@media (min-width: 62rem) {
  .col-lg-2 { width: 16.6667%; }
  .col-lg-3 { width: 25%; }
  .col-lg-4 { width: 33.3333%; }
  .col-lg-6 { width: 50%; }
  .col-lg-8 { width: 66.6667%; }
}

/* ==========================================================================
   2. Header and navigation
   ========================================================================== */

.header {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid rgba(16, 19, 24, 0.08);
  background: rgba(247, 247, 244, 0.98);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 0.5rem 2rem rgba(16, 19, 24, 0.05);
}

.site-nav,
.header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: inline-flex;
  flex: 0 0 auto;
  gap: var(--space-3);
  align-items: center;
  min-height: 2.75rem;
  color: var(--ink);
  text-decoration: none;
}

.logo img {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.brand-wordmark {
  color: inherit;
  font-size: 0.9rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  line-height: 1;
}

.navmenu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  font-weight: 560;
  text-decoration: none;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 0.25rem;
  left: 0;
  height: 2px;
  background: var(--blue);
  content: "";
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity var(--transition), transform var(--transition);
}

.nav-link:hover,
.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--ink);
}

.nav-link:hover::after,
.nav-link.active::after,
.nav-link[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.625rem 1.125rem;
  border: 1px solid var(--blue);
  border-radius: var(--radius-sm);
  background: var(--blue);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 650;
  text-decoration: none;
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.cta-button:hover {
  border-color: var(--blue-dark);
  background: var(--blue-dark);
  color: var(--white);
  transform: translateY(-1px);
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font-size: 1.5rem;
}

/* ==========================================================================
   3. Controls and shared content patterns
   ========================================================================== */

.btn,
.cta-btn,
.cta-btn-primary,
.cta-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.875rem;
  padding: 0.72rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background-image: none;
  box-shadow: none;
  font-size: 0.9375rem;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-lg {
  min-height: 3.25rem;
  padding-inline: 1.4rem;
}

.btn-primary,
.cta-btn-primary {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover,
.cta-btn-primary:hover {
  border-color: var(--blue-dark);
  background: var(--blue-dark);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-outline,
.cta-btn-outline {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover,
.cta-btn-outline:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.btn:active,
.cta-button:active {
  transform: translateY(0);
}

.btn[disabled],
button[disabled] {
  cursor: wait;
  opacity: 0.65;
}

.section-header {
  max-width: 48rem;
  margin: 0 0 var(--space-16);
  text-align: left;
}

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

.section-subtitle {
  max-width: var(--reading);
  margin-bottom: 0;
  font-size: clamp(1.0625rem, 1.7vw, 1.25rem);
  line-height: 1.65;
}

.alt-bg {
  background: var(--surface-quiet) !important;
}

.tag,
.tech-badge,
.tech-badges span,
.portfolio-tags span,
.project-tech span {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.proof-quote,
blockquote {
  margin: var(--space-8) 0;
  padding-left: var(--space-6);
  border-left: 2px solid var(--blue);
  color: var(--ink);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.proof-attribution {
  color: var(--muted);
  font-size: 0.875rem;
}

/* ==========================================================================
   4. Homepage story
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: min(46rem, calc(100vh - var(--header-height)));
  padding: clamp(4.5rem, 7vw, 6rem) 0 var(--space-16);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.hero-section::before {
  position: absolute;
  top: -18rem;
  right: -15rem;
  width: 40rem;
  height: 40rem;
  border: 1px solid rgba(25, 93, 188, 0.12);
  border-radius: 50%;
  content: "";
}

.hero-section::after {
  position: absolute;
  top: 3rem;
  right: 1rem;
  width: 12rem;
  height: 1px;
  background: rgba(25, 93, 188, 0.16);
  content: "";
  transform: rotate(-32deg);
  transform-origin: right center;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(22rem, 0.85fr);
  gap: clamp(3rem, 5.5vw, 5rem);
  align-items: center;
}

.hero-copy {
  max-width: 47rem;
}

.hero-title {
  margin-bottom: var(--space-6);
  font-size: clamp(3.5rem, 5.5vw, 4.6rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.hero-title .hero-line {
  display: block;
}

.hero-title .hero-line--accent {
  color: var(--blue);
}

.hero-subtitle {
  max-width: 43rem;
  margin-bottom: var(--space-6);
  color: var(--muted);
  font-size: clamp(1.0625rem, 1.5vw, 1.22rem);
  line-height: 1.58;
}

.hero-actions,
.service-hero-actions,
.cta-actions,
.success-actions,
.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: flex-start;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  align-items: baseline;
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

.hero-proof__label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-proof__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.hero-proof__links a {
  position: relative;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration-color: transparent;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.hero-proof__links a:hover {
  color: var(--blue);
  text-decoration-color: currentColor;
}

.clarity-visual {
  position: relative;
  margin: 0;
  padding: var(--space-6);
  overflow: hidden;
  border: 1px solid #2e3540;
  border-radius: var(--radius-lg);
  background: var(--ink);
  box-shadow: 0 1.75rem 4.5rem rgba(16, 19, 24, 0.12);
  color: var(--white);
}

.clarity-visual::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 2rem 2rem;
  content: "";
  pointer-events: none;
}

.clarity-visual > * {
  position: relative;
}

.clarity-visual__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: #aeb8c5;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.clarity-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: #8ce1c6;
}

.clarity-status::before {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #55c9a6;
  content: "";
  box-shadow: 0 0 0 0.25rem rgba(85, 201, 166, 0.12);
}

.clarity-map {
  display: grid;
  grid-template-columns: minmax(8.5rem, 0.95fr) minmax(10rem, 1.05fr);
  gap: var(--space-4);
  align-items: stretch;
  margin-block: var(--space-6);
}

.clarity-inputs {
  display: grid;
  gap: var(--space-2);
}

.clarity-inputs > span {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  min-height: 2.45rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 0.4rem;
  background: rgba(255, 255, 255, 0.035);
  color: #d4dae2;
  font-size: 0.76rem;
  line-height: 1.25;
}

.clarity-inputs b {
  color: #8da7c9;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
}

.clarity-core {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 10.5rem;
  padding: var(--space-4);
  border: 1px solid rgba(111, 165, 238, 0.62);
  border-radius: var(--radius-sm);
  background: rgba(25, 93, 188, 0.22);
}

.clarity-core img {
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: auto;
}

.clarity-core > span,
.clarity-ai span,
.clarity-outcomes span {
  color: #8da7c9;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.clarity-core strong {
  margin-top: 0.3rem;
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.28;
}

.clarity-core p {
  margin: 0.35rem 0 0;
  color: #aeb8c5;
  font-size: 0.73rem;
  line-height: 1.4;
}

.clarity-ai {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border: 1px solid rgba(111, 165, 238, 0.28);
  border-radius: var(--radius-sm);
  background: rgba(111, 165, 238, 0.075);
}

.clarity-ai strong {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.82rem;
  font-weight: 620;
}

.clarity-ai ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
  margin: 0;
  padding: 0;
  list-style: none;
}

.clarity-ai li {
  padding: 0.25rem 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: #c6ced8;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  line-height: 1.2;
}

.clarity-outcomes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: var(--space-3);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.12);
}

.clarity-outcomes > div {
  min-height: 4.75rem;
  padding: var(--space-3);
  background: rgba(16, 19, 24, 0.88);
}

.clarity-outcomes strong {
  display: block;
  margin-top: 0.35rem;
  color: #dce1e8;
  font-size: 0.7rem;
  font-weight: 580;
  line-height: 1.35;
}

.clarity-visual figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #aeb8c5;
  font-size: 0.75rem;
  line-height: 1.5;
}

.proof-section,
.services-section,
.principles-section,
.process-section,
.client-proof-section,
.contact-cta-section,
.trust-section,
.about-section,
.portfolio-section,
.testimonials-section {
  padding: var(--space-28) 0;
}

.proof-section,
.principles-section,
.client-proof-section {
  background: var(--surface);
}

.proof-feature {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(20rem, 5fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.proof-media,
.project-image,
.portfolio-image {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-quiet);
}

.proof-media img,
.project-image img,
.portfolio-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.proof-copy h3 {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
}

.proof-facts,
.project-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
  padding: var(--space-6) 0;
  border-block: 1px solid var(--line);
}

.proof-facts div,
.result-item {
  min-width: 0;
}

.proof-facts dt,
.result-label {
  margin-bottom: var(--space-1);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.proof-facts dd,
.result-number {
  display: block;
  margin: 0;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.4;
}

.proof-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--line);
}

.proof-index a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: start;
  color: var(--ink);
  text-decoration: none;
}

.proof-index__number {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.proof-index strong,
.proof-index span {
  display: block;
}

.proof-index strong {
  margin-bottom: var(--space-1);
}

.proof-index span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.proof-index i {
  color: var(--blue);
  transition: transform var(--transition);
}

.proof-index a:hover i {
  transform: translateX(3px);
}

.services-section {
  background: var(--canvas);
}

.service-list {
  border-top: 1px solid var(--line-strong);
}

.service-row {
  display: grid;
  grid-template-columns: 3rem minmax(14rem, 4fr) minmax(18rem, 5fr) auto;
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--line);
}

.service-row__number {
  padding-top: 0.25rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.service-row h3 {
  margin: 0;
}

.service-row p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.65;
}

.service-row__link,
.service-link,
.project-link,
.portfolio-link,
.method-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 650;
  white-space: nowrap;
  text-decoration: none;
}

.service-row__link i,
.service-link i,
.project-link i,
.method-link i {
  transition: transform var(--transition);
}

.service-row__link:hover i,
.service-link:hover i,
.project-link:hover i,
.method-link:hover i {
  transform: translateX(3px);
}

.principles-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 4fr) minmax(0, 7fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.principles-intro {
  align-self: start;
}

.principles-list {
  border-top: 1px solid var(--line-strong);
}

.principle {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-6);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--line);
}

.principle__number {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

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

.principle p {
  margin-bottom: 0;
  font-size: 0.97rem;
}

.process-section {
  background: var(--ink);
}

.process-section .eyebrow {
  color: #75a8e8;
}

.process-section .section-title,
.process-section .section-header h2 {
  color: var(--white);
}

.process-section .section-subtitle,
.process-section .section-header p {
  color: #b4bdc8;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.process-grid .process-step {
  min-width: 0;
  padding: var(--space-8) var(--space-6) var(--space-4) 0;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}

.process-grid .process-step + .process-step {
  padding-left: var(--space-6);
}

.process-grid .process-step:last-child {
  border-right: 0;
}

.process-step__number,
.process-grid .step-number {
  display: block;
  margin-bottom: var(--space-12);
  color: #75a8e8;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.process-grid h3,
.process-grid h4,
.process-grid h5 {
  color: var(--white);
}

.process-grid p {
  margin-bottom: 0;
  color: #aeb8c5;
  font-size: 0.9rem;
}

.client-proof-layout {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(16rem, 4fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: end;
}

.client-quote {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: clamp(1.8rem, 3.6vw, 3rem);
  font-weight: 610;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.client-quote::before {
  display: block;
  margin-bottom: var(--space-6);
  color: var(--blue);
  content: "“";
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 0.5;
}

.client-quote footer {
  margin-top: var(--space-8);
  color: var(--muted);
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0;
}

.client-quote footer strong,
.client-quote footer span {
  display: block;
}

.client-quote footer strong {
  color: var(--ink);
}

.client-proof-aside {
  padding-top: var(--space-6);
  border-top: 1px solid var(--line-strong);
}

.client-proof-aside p {
  font-size: 0.95rem;
}

.contact-cta-section {
  background: var(--surface-blue);
}

.contact-cta-layout {
  display: grid;
  grid-template-columns: minmax(0, 8fr) auto;
  gap: var(--space-12);
  align-items: end;
}

.contact-cta-section h2 {
  max-width: 48rem;
  margin-bottom: var(--space-4);
}

.contact-cta-section p {
  max-width: 42rem;
  margin-bottom: 0;
}

/* Legacy homepage structures receive the same quieter treatment. */
.hero-background,
.hero-gradient,
.contact-hero-background,
.contact-hero-gradient,
.hero-scroll-indicator {
  display: none;
}

.trust-title {
  margin-bottom: var(--space-8);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.clients-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
  align-items: center;
}

.client-logo img {
  width: 9rem;
  max-height: 3rem;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.62;
}

/* ==========================================================================
   5. Service and capability pages
   ========================================================================== */

.service-page,
body.service-page {
  padding-top: var(--header-height);
}

.service-hero-section,
.contact-hero-section,
.portfolio-hero,
.privacy-hero,
.terms-hero {
  padding: var(--space-20) 0 var(--space-16);
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.service-hero-content,
.contact-hero-content,
.portfolio-hero-content,
.privacy-hero-content,
.terms-hero-content {
  max-width: 61rem;
  margin: 0;
  text-align: left;
}

.service-hero-title,
.contact-hero-title,
.portfolio-hero h1,
.privacy-hero h1,
.terms-hero h1 {
  margin-bottom: var(--space-6);
  font-size: clamp(2.75rem, 5.4vw, 4.4rem);
  line-height: 1.01;
  letter-spacing: -0.055em;
}

.service-hero-subtitle,
.contact-hero-subtitle,
.portfolio-hero-content > p,
.privacy-hero .subtitle,
.terms-hero .subtitle {
  max-width: var(--reading);
  margin: 0 0 var(--space-8);
  font-size: clamp(1.1rem, 1.8vw, 1.28rem);
  line-height: 1.62;
}

.breadcrumb-nav {
  margin-bottom: var(--space-8);
}

.breadcrumb-nav ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin: 0;
  padding: 0;
  max-width: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  list-style: none;
}

.breadcrumb-nav li {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.breadcrumb-nav li:not(:last-child)::after {
  margin-left: var(--space-2);
  color: var(--line-strong);
  content: "/";
}

.breadcrumb-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  color: var(--muted);
  text-decoration: none;
}

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

.service-hero-stats,
.contact-hero-stats,
.portfolio-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 56rem;
  margin: var(--space-10, 2.5rem) 0 var(--space-8);
  padding: 0;
  border-block: 1px solid var(--line);
}

.stat-item,
.contact-stat-item {
  min-width: 0;
  padding: var(--space-5, 1.25rem) var(--space-6) var(--space-5, 1.25rem) 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-align: left;
}

.stat-item + .stat-item,
.contact-stat-item + .contact-stat-item {
  padding-left: var(--space-6);
  border-left: 1px solid var(--line);
}

.stat-number,
.contact-stat-number {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--ink);
  background: none;
  font-size: 1rem;
  font-weight: 680;
  line-height: 1.4;
  -webkit-text-fill-color: currentColor;
}

.stat-label,
.contact-stat-label {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  line-height: 1.5;
  text-transform: uppercase;
}

.services-breakdown-section,
.technologies-section,
.service-process-section,
.faq-section,
.contact-faq-section,
.case-study-body,
.privacy-content,
.terms-content,
.resource-body,
.ai-deep-section,
.ai-related-section,
.related-resources {
  padding: var(--space-28) 0;
}

.services-breakdown-grid,
.technologies-grid,
.process-timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-12) var(--space-8);
}

.breakdown-item,
.tech-category,
.process-step,
.contact-method-card,
.testimonial-card,
.related-card,
.ai-related-card {
  min-width: 0;
  padding: var(--space-6) 0 0;
  border: 0;
  border-top: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.breakdown-item:hover,
.tech-category:hover,
.process-step:hover,
.related-card:hover {
  transform: none;
}

.breakdown-number,
.timeline-marker,
.marker-number,
.process-icon,
.tech-icon,
.service-icon,
.method-icon,
.detail-icon,
.cta-icon,
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  margin: 0 0 var(--space-6);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 1.25rem;
}

.breakdown-number,
.marker-number {
  font-size: 0.75rem;
}

.breakdown-item h3,
.tech-category h3,
.process-step h3,
.process-content h3 {
  margin-bottom: var(--space-3);
}

.breakdown-item > p,
.tech-category > p,
.process-step > p,
.process-content > p {
  font-size: 0.96rem;
}

.breakdown-features,
.service-features,
.timeline-features,
.case-study-features,
.project-highlights,
.feature-list,
.helpful-links,
.sidebar-links {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.breakdown-features li,
.service-features li,
.timeline-features li,
.case-study-features li,
.project-highlights li,
.feature-item,
.helpful-links li,
.sidebar-links li {
  position: relative;
  margin: 0;
  padding: 0.55rem 0 0.55rem 1.25rem;
  border-bottom: 1px solid rgba(217, 221, 226, 0.7);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.breakdown-features li::before,
.service-features li::before,
.timeline-features li::before,
.case-study-features li::before,
.project-highlights li::before,
.feature-item::before,
.helpful-links li::before {
  position: absolute;
  top: 1.1rem;
  left: 0;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.feature-item i {
  display: none;
}

.tech-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--space-6);
}

.tech-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  min-width: 0;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.tech-item .tech-icon {
  flex: 0 0 auto;
  margin: 0;
  font-size: 1rem;
}

.tech-item h4 {
  margin-bottom: var(--space-1);
  font-size: 1rem;
}

.tech-item p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.5;
}

.timeline-content,
.process-content {
  padding: 0;
  border: 0;
  background: transparent;
}

.faq-container {
  max-width: 52rem;
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

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

.faq-item h3 {
  margin: 0;
}

.faq-question {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 4.25rem;
  padding: 1.25rem 3rem 1.25rem 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.45;
  text-align: left;
}

.faq-question::after {
  position: absolute;
  top: 50%;
  right: 0;
  color: var(--blue);
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 400;
  transform: translateY(-50%);
}

.faq-question[aria-expanded="true"]::after {
  content: "−";
}

.faq-content {
  display: none;
  max-width: var(--reading);
  padding: 0 3rem var(--space-6) 0;
}

.faq-active .faq-content {
  display: block;
}

.faq-content p:last-child {
  margin-bottom: 0;
}

.service-cta-section {
  padding: var(--space-20) 0;
  background: var(--ink);
  color: var(--white);
}

.service-cta-section .cta-content {
  max-width: 52rem;
  text-align: left;
}

.service-cta-section h2 {
  color: var(--white);
}

.service-cta-section p {
  color: #b4bdc8;
}

.service-cta-section .btn-outline {
  border-color: #5a6471;
  color: var(--white);
}

.service-cta-section .btn-outline:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--ink);
}

/* ==========================================================================
   6. Contact experience
   ========================================================================== */

.contact-page {
  background: var(--canvas);
}

.contact-intake-section {
  padding: var(--space-20) 0 var(--space-28);
}

.contact-intake-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 5fr) minmax(28rem, 7fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}

.contact-intro {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.contact-intro h1 {
  margin-bottom: var(--space-6);
  font-size: clamp(2.8rem, 5vw, 4.3rem);
  line-height: 1.01;
  letter-spacing: -0.055em;
}

.contact-intro > p {
  font-size: 1.1rem;
}

.contact-expectations {
  margin: var(--space-12) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.contact-expectations li {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: var(--space-4);
  padding: var(--space-5, 1.25rem) 0;
  border-bottom: 1px solid var(--line);
}

.contact-expectations span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.contact-expectations strong,
.contact-expectations small {
  display: block;
}

.contact-expectations strong {
  margin-bottom: var(--space-1);
  font-size: 0.95rem;
}

.contact-expectations small {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.contact-direct {
  margin-top: var(--space-8);
  font-size: 0.9rem;
}

.contact-form-container {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: none;
}

.form-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--line);
}

.form-header h2 {
  margin-bottom: var(--space-3);
  font-size: 1.75rem;
}

.form-header p {
  margin: 0;
  font-size: 0.95rem;
}

.contact-form .row {
  margin-inline: -0.5rem;
}

.contact-form .row > * {
  padding-inline: 0.5rem;
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label:not(.form-check-label) {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 650;
}

.form-optional {
  color: var(--muted);
  font-weight: 500;
}

.form-control {
  display: block;
  width: 100%;
  min-height: 3.25rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  outline: 0;
  background: var(--surface);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:hover {
  border-color: #8f99a5;
}

.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(25, 93, 188, 0.12);
}

textarea.form-control {
  min-height: 10rem;
  resize: vertical;
}

select.form-control {
  appearance: none;
  padding-right: 2.75rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 1.1rem) 50%, calc(100% - 0.8rem) 50%;
  background-repeat: no-repeat;
  background-size: 0.35rem 0.35rem, 0.35rem 0.35rem;
}

.form-check {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: var(--space-3);
  align-items: start;
}

.form-check-input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.25rem;
  accent-color: var(--blue);
}

.form-check-label {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.form-actions {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: center;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
}

.form-note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
}

.contact-methods-section,
.contact-form-section {
  padding: var(--space-20) 0;
}

.contact-methods-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}

.contact-info-card,
.contact-cta-card,
.sidebar-card,
.message-card {
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: none;
}

.contact-detail-item,
.contact-item {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: var(--space-3);
  align-items: start;
  padding-block: var(--space-4);
}

/* ==========================================================================
   7. Portfolio and case studies
   ========================================================================== */

.portfolio-page,
.case-study-page {
  background: var(--canvas);
}

.project-showcase {
  padding: var(--space-20) 0;
  border-bottom: 1px solid var(--line);
}

.project-showcase:nth-of-type(even) {
  background: var(--surface);
}

.project-container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.project-container.reverse .project-image {
  order: 2;
}

.project-content {
  min-width: 0;
}

.project-title {
  margin-bottom: var(--space-4);
  font-size: clamp(2rem, 4vw, 3rem);
}

.project-description {
  font-size: 1.05rem;
}

.project-tech,
.tech-badges,
.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block: var(--space-6);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-12) var(--space-8);
}

.portfolio-item {
  min-width: 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--line-strong);
  background: transparent;
  box-shadow: none;
}

.portfolio-content {
  padding-top: var(--space-6);
}

.portfolio-overlay {
  display: none;
}

.case-study-hero .service-hero-content {
  max-width: 67rem;
}

.case-study-cover-section {
  padding: 0 0 var(--space-20);
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.case-study-cover {
  margin: 0;
}

.case-study-cover picture,
.case-study-cover img {
  display: block;
  width: 100%;
}

.case-study-cover img {
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-quiet);
}

.case-study-cover figcaption {
  max-width: var(--reading);
  margin-top: var(--space-4);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.case-study-body .row {
  align-items: flex-start;
}

.case-study-block {
  max-width: var(--reading);
  margin-bottom: var(--space-16);
}

.case-study-block h2 {
  margin-bottom: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line-strong);
  font-size: clamp(1.65rem, 3vw, 2.2rem);
}

.case-study-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--space-6);
  padding-left: 1.5rem;
}

.case-study-steps li {
  padding: var(--space-2) 0;
  color: var(--muted);
}

.case-study-testimonial-block {
  max-width: var(--reading);
  margin: var(--space-16) 0;
  padding: var(--space-8);
  border-radius: var(--radius-md);
  background: var(--ink);
}

.case-study-testimonial-block blockquote {
  margin: 0;
  padding: 0;
  border: 0;
  color: var(--white);
}

.case-study-testimonial-block p {
  color: var(--white);
}

.case-study-testimonial-block footer {
  color: #aeb8c5;
  font-size: 0.85rem;
  font-style: normal;
}

.case-study-testimonial-block footer strong,
.case-study-testimonial-block footer span {
  display: block;
}

.case-study-sidebar,
.article-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  padding-left: var(--space-8);
}

.sidebar-card {
  margin-bottom: var(--space-4);
}

.sidebar-card h3 {
  font-size: 1rem;
}

.sidebar-card dl {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: var(--space-2) var(--space-4);
  margin: 0;
  font-size: 0.85rem;
}

.sidebar-card dt {
  color: var(--muted);
  font-weight: 500;
}

.sidebar-card dd {
  margin: 0;
  color: var(--ink);
}

.case-study-related {
  margin-top: var(--space-12);
  padding-top: var(--space-12);
  border-top: 1px solid var(--line-strong);
}

.related-card {
  display: block;
  height: 100%;
  color: var(--ink);
  text-decoration: none;
}

.related-card strong,
.related-card span {
  display: block;
}

.related-card span {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ==========================================================================
   8. Articles, legal, success, and errors
   ========================================================================== */

.resource-page .service-hero-content,
.privacy-hero-content,
.terms-hero-content {
  max-width: var(--reading);
}

.article-content,
.privacy-section,
.terms-section {
  max-width: var(--reading);
}

.article-content h2,
.privacy-section h2,
.terms-section h2 {
  margin: var(--space-16) 0 var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
  font-size: clamp(1.65rem, 3vw, 2.15rem);
}

.article-content h3,
.privacy-section h3,
.terms-section h3 {
  margin: var(--space-8) 0 var(--space-3);
}

.article-content p,
.article-content li,
.privacy-section p,
.privacy-section li,
.terms-section p,
.terms-section li {
  color: var(--muted);
  line-height: 1.75;
}

.article-callout,
.highlight-box,
.warning-box {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--surface-blue);
}

.warning-box {
  border-left-color: #9a6700;
  background: #fff8df;
}

.comparison-table-wrapper {
  margin: var(--space-8) 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.comparison-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.88rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.comparison-table th {
  background: var(--ink);
  color: var(--white);
}

.privacy-container,
.terms-container {
  display: grid;
  grid-template-columns: minmax(13rem, 3fr) minmax(0, 9fr);
  gap: var(--space-16);
  align-items: start;
}

.privacy-toc,
.terms-toc {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.privacy-toc ul,
.terms-toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.privacy-toc a,
.terms-toc a {
  display: block;
  padding: var(--space-2) 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
  text-decoration: none;
}

.privacy-meta,
.terms-meta,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  color: var(--muted);
  font-size: 0.8rem;
}

.success-page {
  min-height: 100vh;
  padding-top: var(--header-height);
  background: var(--canvas);
}

.error-page {
  min-height: 100vh;
  padding-top: 0;
  background: var(--canvas);
}

.error-body {
  padding-top: 0;
}

.success-section,
.error-content {
  display: grid;
  min-height: calc(100vh - var(--header-height));
  place-items: center;
  padding: var(--space-20) var(--space-6);
}

.error-content {
  min-height: 100vh;
}

.success-content,
.error-content > div {
  width: min(100%, 42rem);
  text-align: center;
}

.error-title {
  margin-bottom: var(--space-5);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.error-description {
  max-width: 36rem;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.16rem);
}

.error-actions {
  justify-content: center;
  margin-top: var(--space-8);
}

.error-contact {
  margin-top: var(--space-8);
}

.error-contact a,
.links-grid a {
  color: var(--ink);
  font-weight: 650;
  text-underline-offset: 0.22em;
}

.helpful-links h2 {
  margin: var(--space-12) 0 var(--space-4);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  justify-content: center;
}

.success-icon,
.error-code {
  margin-bottom: var(--space-6);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 700;
  line-height: 1;
}

.message-card {
  margin: var(--space-8) 0;
  text-align: left;
}

#preloader,
.preloader,
.preloader-inner {
  display: none !important;
}

/* ==========================================================================
   9. Footer
   ========================================================================== */

.footer-section {
  padding: var(--space-20) 0 var(--space-8);
  background: var(--ink);
  color: var(--white);
}

.footer-main,
.footer-content > .row {
  display: grid;
  grid-template-columns: minmax(16rem, 5fr) minmax(8rem, 2fr) minmax(8rem, 2fr) minmax(14rem, 3fr);
  gap: var(--space-12);
}

.footer-content > .row {
  margin: 0;
}

.footer-content > .row > * {
  width: auto;
  padding: 0;
}

.footer-brand,
.footer-logo {
  display: inline-flex;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-6);
  color: var(--white);
  text-decoration: none;
}

.footer-brand img,
.footer-logo img {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: contain;
}

.footer-description {
  max-width: 24rem;
  color: #aeb8c5;
  font-size: 0.9rem;
  line-height: 1.65;
}

.footer-heading {
  margin-bottom: var(--space-4);
  color: #7d8998;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li {
  margin: 0 0 var(--space-2);
}

.footer-links a,
.footer-section .contact-info a,
.footer-section .contact-item,
.footer-section .contact-item span,
.footer-section .contact-item a {
  color: #c8cfd8;
  font-size: 0.86rem;
  line-height: 1.5;
  text-decoration: none;
}

.footer-links a:hover,
.footer-section .contact-item a:hover {
  color: var(--white);
}

.footer-section .contact-item {
  display: flex;
  gap: var(--space-3);
  padding: 0 0 var(--space-3);
}

.footer-section .contact-item i {
  margin-top: 0.2rem;
  color: #75a8e8;
}

.footer-social,
.social-connect,
.newsletter {
  display: none;
}

.footer-bottom {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom,
.footer-bottom .row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
  justify-content: space-between;
}

.footer-bottom .row {
  width: 100%;
  margin: 0;
}

.footer-bottom .row > * {
  width: auto;
  padding: 0;
}

.copyright p,
.footer-bottom p {
  margin: 0;
  color: #8893a1;
  font-size: 0.75rem;
}

.footer-menu {
  display: flex;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-menu a {
  color: #8893a1;
  font-size: 0.75rem;
  text-decoration: none;
}

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

/* ==========================================================================
   10. Small utilities and responsive behavior
   ========================================================================== */

.scroll-top {
  position: fixed;
  z-index: 900;
  right: 1.25rem;
  bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.5rem);
  transition: opacity var(--transition), transform var(--transition), background-color var(--transition);
}

.scroll-top.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--ink);
  color: var(--white);
}

@media (max-width: 72rem) {
  .nav-list {
    gap: var(--space-6);
  }

  .hero-layout {
    gap: var(--space-12);
  }
}

@media (max-width: 64rem) {
  :root {
    --header-height: 4rem;
  }

  .container {
    width: min(calc(100% - 3rem), var(--shell));
  }

  .mobile-nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 1002;
    order: 3;
  }

  .navmenu {
    position: fixed;
    z-index: 1001;
    inset: var(--header-height) 0 0;
    display: grid;
    grid-template-rows: 1fr auto;
    align-items: start;
    padding: var(--space-8) 1.5rem var(--space-8);
    overflow-y: auto;
    border-top: 1px solid var(--line);
    background: var(--canvas);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.75rem);
    transition: opacity 220ms ease, transform 220ms ease;
  }

  .navmenu.is-open,
  .navmenu:has(.nav-list.active) {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-list {
    display: block;
    width: 100%;
  }

  .nav-list li {
    border-bottom: 1px solid var(--line);
  }

  .nav-link {
    width: 100%;
    min-height: 4.25rem;
    font-size: 1.35rem;
    font-weight: 630;
  }

  .nav-link::after {
    display: none;
  }

  .navmenu .cta-button {
    width: 100%;
    min-height: 3.25rem;
    margin-top: var(--space-8);
  }

  .header > nav > .cta-button {
    display: none;
  }

  .hero-section,
  .proof-section,
  .services-section,
  .principles-section,
  .process-section,
  .client-proof-section,
  .contact-cta-section,
  .trust-section,
  .about-section,
  .portfolio-section,
  .testimonials-section,
  .services-breakdown-section,
  .technologies-section,
  .service-process-section,
  .faq-section,
  .contact-faq-section,
  .case-study-body,
  .privacy-content,
  .terms-content,
  .resource-body,
  .ai-deep-section,
  .ai-related-section {
    padding-block: var(--space-20);
  }

  .hero-layout,
  .proof-feature,
  .principles-layout,
  .client-proof-layout,
  .contact-intake-layout,
  .project-container,
  .privacy-container,
  .terms-container {
    grid-template-columns: 1fr;
  }

  .hero-section {
    min-height: auto;
  }

  .clarity-visual {
    width: 100%;
    max-width: 38rem;
    margin-inline: auto;
  }

  .contact-intro,
  .case-study-sidebar,
  .article-sidebar,
  .privacy-toc,
  .terms-toc {
    position: static;
  }

  .case-study-sidebar,
  .article-sidebar {
    margin-top: var(--space-8);
    padding-left: 0;
  }

  .project-container.reverse .project-image {
    order: 0;
  }

  .service-row {
    grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  }

  .service-row p {
    grid-column: 2 / -1;
  }

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

  .process-grid .process-step:nth-child(2) {
    border-right: 0;
  }

  .process-grid .process-step:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.13);
  }

  .footer-main,
  .footer-content > .row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 47.99rem) {
  body {
    font-size: 1rem;
  }

  .container {
    width: min(calc(100% - 2.5rem), var(--shell));
  }

  .logo img {
    width: 2.25rem;
    height: 2.25rem;
  }

  .hero-section,
  .proof-section,
  .services-section,
  .principles-section,
  .process-section,
  .client-proof-section,
  .contact-cta-section,
  .trust-section,
  .about-section,
  .portfolio-section,
  .testimonials-section,
  .services-breakdown-section,
  .technologies-section,
  .service-process-section,
  .faq-section,
  .contact-faq-section,
  .case-study-body,
  .privacy-content,
  .terms-content,
  .resource-body,
  .ai-deep-section,
  .ai-related-section,
  .contact-intake-section {
    padding-block: var(--space-16);
  }

  .hero-section {
    padding-top: var(--space-16);
  }

  .hero-section::before,
  .hero-section::after {
    display: none;
  }

  .hero-title {
    font-size: clamp(2.2rem, 10.3vw, 2.8rem);
    line-height: 1.01;
  }

  .hero-subtitle,
  .service-hero-subtitle,
  .contact-hero-subtitle {
    font-size: 1.05rem;
  }

  .hero-actions,
  .service-hero-actions,
  .cta-actions,
  .success-actions,
  .error-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .btn,
  .service-hero-actions .btn,
  .cta-actions .btn,
  .success-actions .btn,
  .error-actions .btn {
    width: 100%;
  }

  .hero-proof {
    display: block;
  }

  .hero-proof__links {
    margin-top: var(--space-2);
  }

  .clarity-visual {
    padding: var(--space-4);
    box-shadow: none;
  }

  .clarity-map {
    grid-template-columns: 1fr;
  }

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

  .clarity-core {
    min-height: 9rem;
  }

  .clarity-ai {
    align-items: flex-start;
    flex-direction: column;
  }

  .clarity-ai ul {
    justify-content: flex-start;
  }

  .proof-facts,
  .project-results,
  .service-hero-stats,
  .contact-hero-stats,
  .portfolio-stats {
    grid-template-columns: 1fr;
  }

  .proof-facts div,
  .result-item,
  .stat-item,
  .contact-stat-item {
    padding: var(--space-3) 0;
    border: 0 !important;
    border-bottom: 1px solid var(--line) !important;
  }

  .proof-index,
  .services-breakdown-grid,
  .technologies-grid,
  .process-timeline,
  .portfolio-grid,
  .contact-methods-grid,
  .case-study-steps,
  .footer-main,
  .footer-content > .row {
    grid-template-columns: 1fr;
  }

  .service-row {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: var(--space-3);
    padding-block: var(--space-6);
  }

  .service-row p,
  .service-row__link {
    grid-column: 2;
  }

  .principle {
    grid-template-columns: 2rem 1fr;
    gap: var(--space-3);
  }

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

  .process-grid .process-step,
  .process-grid .process-step + .process-step {
    padding: var(--space-6) 0;
    border-right: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
  }

  .process-grid .process-step__number,
  .process-grid .step-number {
    margin-bottom: var(--space-6);
  }

  .contact-cta-layout {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .contact-cta-layout .btn {
    width: 100%;
  }

  .contact-expectations {
    display: none;
  }

  .contact-direct {
    margin-bottom: var(--space-8);
  }

  .service-hero-section,
  .contact-hero-section,
  .portfolio-hero,
  .privacy-hero,
  .terms-hero {
    padding: var(--space-12) 0 var(--space-16);
  }

  .service-hero-title,
  .contact-hero-title,
  .portfolio-hero h1,
  .privacy-hero h1,
  .terms-hero h1 {
    font-size: clamp(2.35rem, 11vw, 3rem);
  }

  .breadcrumb-nav {
    margin-bottom: var(--space-6);
  }

  .breadcrumb-nav ol {
    gap: 0 var(--space-2);
  }

  .breadcrumb-nav li {
    font-size: 0.72rem;
  }

  .tech-items {
    grid-template-columns: 1fr;
  }

  .form-actions {
    grid-template-columns: 1fr;
  }

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

  .case-study-testimonial-block,
  .contact-form-container,
  .sidebar-card {
    padding: var(--space-5, 1.25rem);
  }

  .footer-section {
    padding-top: var(--space-16);
  }

  .footer-main,
  .footer-content > .row {
    gap: var(--space-8);
  }

  .footer-bottom,
  .footer-bottom .row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .footer-menu {
    flex-wrap: wrap;
  }

  .scroll-top {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}

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

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

@media print {
  body {
    padding: 0;
    background: var(--white);
    color: #000;
  }

  .header,
  .footer-section,
  .scroll-top,
  .service-cta-section,
  .contact-cta-section {
    display: none !important;
  }

  a {
    color: inherit;
  }
}