/*
  Arzeno Project Controls & Consultancy
  Static website stylesheet — ready for GitHub Pages
*/

:root {
  --ink-950: #061724;
  --ink-900: #092234;
  --ink-850: #0b2b41;
  --ink-800: #10384e;
  --ink-700: #22516a;
  --slate-700: #405869;
  --slate-600: #5b7180;
  --slate-500: #728591;
  --slate-300: #c6d2d9;
  --slate-200: #dce5e9;
  --slate-100: #edf2f4;
  --slate-50: #f7f9fa;
  --white: #ffffff;
  --accent-600: #d8861f;
  --accent-500: #f0a53a;
  --accent-400: #f6bd68;
  --teal-600: #147d87;
  --teal-500: #2a98a2;
  --green-600: #187754;
  --red-600: #b4493e;
  --shadow-sm: 0 8px 28px rgba(6, 23, 36, 0.08);
  --shadow-md: 0 18px 55px rgba(6, 23, 36, 0.14);
  --shadow-lg: 0 34px 90px rgba(6, 23, 36, 0.22);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --container: 1180px;
  --header-height: 86px;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  overflow-x: hidden;
  min-width: 320px;
  color: var(--ink-950);
  background: var(--white);
  font-family: Aptos, Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

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

button,
select {
  cursor: pointer;
}

::selection {
  color: var(--ink-950);
  background: var(--accent-400);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink-950);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--accent-500);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.container--narrow {
  width: min(calc(100% - 40px), 860px);
  margin-inline: auto;
}

.section {
  padding: 104px 0;
}

.section--compact {
  padding: 72px 0;
}

.section--muted {
  background: var(--slate-50);
}

.section--ink {
  color: var(--white);
  background:
    radial-gradient(circle at 84% 18%, rgba(42, 152, 162, 0.2), transparent 28%),
    radial-gradient(circle at 8% 92%, rgba(240, 165, 58, 0.12), transparent 24%),
    var(--ink-950);
}

.section--blueprint {
  background-color: var(--slate-50);
  background-image:
    linear-gradient(rgba(9, 34, 52, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(9, 34, 52, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--accent-600);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  content: "";
  background: currentColor;
}

.section--ink .eyebrow {
  color: var(--accent-400);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink-950);
  font-weight: 750;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 5.4rem);
}

h2 {
  font-size: clamp(2.15rem, 4.6vw, 3.65rem);
}

h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  letter-spacing: -0.02em;
}

h4 {
  font-size: 1.08rem;
  letter-spacing: -0.015em;
}

.section--ink h1,
.section--ink h2,
.section--ink h3,
.section--ink h4 {
  color: var(--white);
}

p {
  margin: 0 0 1.2em;
}

.lead {
  max-width: 760px;
  color: var(--slate-700);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.65;
}

.section--ink .lead {
  color: #c9d6dc;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
  gap: 72px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading--stacked {
  display: block;
  max-width: 820px;
}

.section-heading--stacked .lead {
  margin-top: 24px;
}

.section-heading p:last-child,
.card p:last-child,
.service-card p:last-child,
.model-card p:last-child {
  margin-bottom: 0;
}

.kicker {
  color: var(--slate-600);
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.text-accent {
  color: var(--accent-500);
}

.text-muted {
  color: var(--slate-600);
}

.small {
  font-size: 0.88rem;
}

.micro {
  font-size: 0.76rem;
  line-height: 1.45;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(9, 34, 52, 0.08);
  backdrop-filter: blur(18px);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 10px 34px rgba(6, 23, 36, 0.08);
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 12px;
  color: var(--ink-950);
  text-decoration: none;
}

.brand-wordmark {
  width: 132px;
  height: auto;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 1px solid var(--slate-300);
}

.brand-copy strong {
  font-size: 0.69rem;
  line-height: 1.15;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand-copy span {
  color: var(--slate-600);
  font-size: 0.64rem;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 7px;
}

.nav-link {
  position: relative;
  padding: 11px 12px;
  color: var(--ink-800);
  border-radius: 9px;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--ink-950);
  background: var(--slate-100);
}

.nav-link[aria-current="page"] {
  color: var(--accent-600);
}

.nav-link[aria-current="page"]::after {
  position: absolute;
  right: 12px;
  bottom: 6px;
  left: 12px;
  height: 2px;
  content: "";
  background: var(--accent-500);
  border-radius: 2px;
}

.header-cta {
  margin-left: 6px;
}

.nav-mobile-cta {
  display: none;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  align-items: center;
  justify-content: center;
  color: var(--ink-950);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
}

.menu-toggle svg {
  width: 23px;
  height: 23px;
}

/* Buttons and chips */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  padding: 13px 20px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--white);
  background: var(--ink-950);
  border: 1px solid var(--ink-950);
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn--accent {
  color: var(--ink-950);
  background: var(--accent-500);
  border-color: var(--accent-500);
}

.btn--accent:hover {
  background: var(--accent-400);
  border-color: var(--accent-400);
}

.btn--outline {
  color: var(--ink-950);
  background: transparent;
  border-color: var(--slate-300);
}

.btn--outline:hover {
  background: var(--slate-50);
  border-color: var(--ink-800);
}

.btn--light {
  color: var(--ink-950);
  background: var(--white);
  border-color: var(--white);
}

.btn--ghost-light {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.28);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
}

.site-nav .nav-mobile-cta {
  display: none;
}

.btn--sm {
  min-height: 42px;
  padding: 10px 15px;
  border-radius: 10px;
  font-size: 0.8rem;
}

.btn svg,
.text-link svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-900);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.text-link:hover {
  color: var(--accent-600);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.tag,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  color: var(--ink-800);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 750;
  line-height: 1.2;
}

.pill--dark {
  color: #d8e5ea;
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Hero */
.hero {
  position: relative;
  overflow: clip;
  padding: 74px 0 84px;
  color: var(--white);
  background: var(--ink-950);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(90deg, rgba(6, 23, 36, 0.98) 0%, rgba(6, 23, 36, 0.91) 42%, rgba(6, 23, 36, 0.5) 75%, rgba(6, 23, 36, 0.7) 100%),
    url("../img/hero-industrial.webp");
  background-position: center;
  background-size: cover;
}

.hero::after {
  position: absolute;
  right: -200px;
  bottom: -320px;
  width: 720px;
  height: 720px;
  content: "";
  background: radial-gradient(circle, rgba(42, 152, 162, 0.3), transparent 68%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.84fr);
  gap: 72px;
  align-items: center;
}

.hero-copy {
  max-width: 720px;
}

.hero h1 {
  max-width: 790px;
  color: var(--white);
  font-size: clamp(3rem, 6vw, 5.25rem);
}

.hero-lead {
  max-width: 690px;
  margin: 28px 0 30px;
  color: #d0dce1;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.62;
}

.hero-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 650px;
  margin-top: 28px;
  color: #b4c7d0;
  font-size: 0.88rem;
}

.hero-note svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--accent-400);
}

.control-board {
  position: relative;
  padding: 24px;
  color: var(--ink-950);
  background: rgba(250, 252, 253, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}

.control-board::before {
  position: absolute;
  top: 18px;
  left: -10px;
  width: 4px;
  height: 68px;
  content: "";
  background: var(--accent-500);
  border-radius: 4px;
}

.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.board-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.board-title strong {
  font-size: 0.94rem;
  letter-spacing: -0.01em;
}

.board-title span {
  color: var(--slate-600);
  font-size: 0.72rem;
}

.board-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  color: var(--green-600);
  background: rgba(24, 119, 84, 0.08);
  border: 1px solid rgba(24, 119, 84, 0.18);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
}

.board-status::before {
  width: 7px;
  height: 7px;
  content: "";
  background: currentColor;
  border-radius: 50%;
}

.board-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.board-kpi {
  min-height: 94px;
  padding: 14px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
}

.board-kpi span {
  display: block;
  margin-bottom: 7px;
  color: var(--slate-600);
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.board-kpi strong {
  display: block;
  font-size: 0.93rem;
  line-height: 1.3;
}

.board-kpi small {
  display: block;
  margin-top: 5px;
  color: var(--slate-600);
  font-size: 0.67rem;
}

.board-section {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
}

.board-section + .board-section {
  margin-top: 10px;
}

.board-section-header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 13px;
  color: var(--slate-700);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.gantt-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 10px;
  align-items: center;
}

.gantt-row + .gantt-row {
  margin-top: 10px;
}

.gantt-label {
  overflow: hidden;
  color: var(--slate-700);
  font-size: 0.66rem;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.gantt-track {
  position: relative;
  height: 9px;
  overflow: hidden;
  background: var(--slate-100);
  border-radius: 999px;
}

.gantt-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--start, 0%);
  width: var(--width, 60%);
  background: var(--teal-500);
  border-radius: 999px;
}

.gantt-bar--accent {
  background: var(--accent-500);
}

.gantt-bar--ink {
  background: var(--ink-700);
}

.board-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.flow-item {
  position: relative;
  padding-top: 22px;
  color: var(--slate-600);
  font-size: 0.61rem;
  line-height: 1.35;
  text-align: center;
}

.flow-item::before {
  position: absolute;
  top: 3px;
  left: calc(50% - 6px);
  width: 12px;
  height: 12px;
  content: "";
  background: var(--white);
  border: 3px solid var(--teal-500);
  border-radius: 50%;
  z-index: 2;
}

.flow-item:not(:last-child)::after {
  position: absolute;
  top: 8px;
  left: 50%;
  width: calc(100% + 6px);
  height: 2px;
  content: "";
  background: var(--slate-200);
}

.hero-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 58px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-strip-item {
  padding: 22px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-strip-item:last-child {
  border-right: 0;
}

.hero-strip-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--white);
  font-size: 0.92rem;
}

.hero-strip-item span {
  display: block;
  color: #aebfc8;
  font-size: 0.74rem;
  line-height: 1.45;
}

/* Page hero */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 78px 0 82px;
  color: var(--white);
  background:
    radial-gradient(circle at 84% 18%, rgba(42, 152, 162, 0.24), transparent 30%),
    linear-gradient(135deg, var(--ink-950), var(--ink-800));
}

.page-hero::after {
  position: absolute;
  right: -120px;
  bottom: -180px;
  width: 540px;
  height: 540px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  box-shadow:
    0 0 0 48px rgba(255, 255, 255, 0.025),
    0 0 0 96px rgba(255, 255, 255, 0.018);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.6fr);
  gap: 70px;
  align-items: end;
}

.page-hero h1 {
  max-width: 880px;
  color: var(--white);
  font-size: clamp(2.7rem, 5.5vw, 4.9rem);
}

.page-hero .lead {
  margin: 24px 0 0;
  color: #c8d6dc;
}

.page-hero-aside {
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
}

.page-hero-aside strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-400);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-hero-aside p {
  margin: 0;
  color: #d4e0e5;
  font-size: 0.9rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
  color: #a9bec8;
  font-size: 0.77rem;
}

.breadcrumb a {
  color: var(--white);
  text-decoration: none;
}

/* Grids and cards */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 22px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 0 rgba(6, 23, 36, 0.02);
}

.card--elevated {
  box-shadow: var(--shadow-sm);
}

.card--dark {
  color: #d7e3e8;
  background: var(--ink-900);
  border-color: rgba(255, 255, 255, 0.1);
}

.card--dark h3,
.card--dark h4 {
  color: var(--white);
}

.card--accent-top {
  position: relative;
  overflow: hidden;
}

.card--accent-top::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, var(--accent-500), var(--teal-500));
}

.icon-box {
  display: inline-flex;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  align-items: center;
  justify-content: center;
  color: var(--ink-950);
  background: rgba(240, 165, 58, 0.15);
  border: 1px solid rgba(216, 134, 31, 0.18);
  border-radius: 14px;
}

.icon-box svg {
  width: 24px;
  height: 24px;
}

.icon-box--teal {
  color: var(--teal-600);
  background: rgba(42, 152, 162, 0.1);
  border-color: rgba(42, 152, 162, 0.18);
}

.service-card {
  position: relative;
  min-height: 300px;
  padding: 28px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(216, 134, 31, 0.36);
  box-shadow: var(--shadow-md);
}

.service-card h3 {
  margin-bottom: 14px;
}

.service-card p {
  color: var(--slate-700);
  font-size: 0.93rem;
}

.service-card .text-link {
  margin-top: 24px;
}

.service-number {
  position: absolute;
  top: 19px;
  right: 22px;
  color: var(--slate-200);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
}

.outcome-list,
.check-list,
.plain-list,
.footer-links,
.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.outcome-list {
  display: grid;
  gap: 11px;
  margin-top: 20px;
}

.outcome-list li,
.check-list li {
  position: relative;
  padding-left: 27px;
  color: var(--slate-700);
  font-size: 0.88rem;
}

.outcome-list li::before,
.check-list li::before {
  position: absolute;
  top: 0.42em;
  left: 0;
  width: 14px;
  height: 14px;
  content: "";
  background: var(--accent-500);
  border-radius: 4px;
  box-shadow: inset 0 0 0 4px var(--white);
  outline: 1px solid rgba(216, 134, 31, 0.35);
}

.check-list {
  display: grid;
  gap: 12px;
}

.check-list--light li {
  color: #d0dde2;
}

.check-list--light li::before {
  box-shadow: inset 0 0 0 4px var(--ink-950);
}

/* Value proposition */
.value-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 72px;
  align-items: center;
}

.value-statement {
  position: relative;
  padding: 42px;
  color: var(--white);
  background: var(--ink-950);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.value-statement::after {
  position: absolute;
  right: 24px;
  bottom: 20px;
  color: rgba(255, 255, 255, 0.06);
  content: "A";
  font-family: Georgia, serif;
  font-size: 9rem;
  font-style: italic;
  line-height: 0.8;
}

.value-statement h2 {
  position: relative;
  z-index: 1;
  color: var(--white);
  font-size: clamp(2.15rem, 4.4vw, 3.45rem);
}

.value-statement p {
  position: relative;
  z-index: 1;
  margin-top: 22px;
  color: #c6d5dc;
}

.problem-list {
  display: grid;
  gap: 12px;
}

.problem-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
}

.problem-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.96rem;
}

.problem-item span {
  color: var(--slate-600);
  font-size: 0.83rem;
}

.problem-index {
  display: flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  color: var(--accent-600);
  background: rgba(240, 165, 58, 0.12);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 850;
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  counter-reset: process;
}

.process-step {
  position: relative;
  padding: 28px 22px 28px 0;
  counter-increment: process;
}

.process-step:not(:last-child) {
  border-right: 1px solid var(--slate-200);
  margin-right: 22px;
}

.process-step::before {
  display: flex;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  align-items: center;
  justify-content: center;
  color: var(--ink-950);
  content: counter(process, decimal-leading-zero);
  background: var(--accent-500);
  border-radius: 12px;
  font-size: 0.74rem;
  font-weight: 850;
}

.process-step h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.process-step p {
  color: var(--slate-600);
  font-size: 0.82rem;
}

/* Engagement models */
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.model-card {
  position: relative;
  display: flex;
  min-height: 410px;
  padding: 30px;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
}

.model-card--featured {
  color: var(--white);
  background: var(--ink-950);
  border-color: var(--ink-950);
  box-shadow: var(--shadow-md);
}

.model-card h3 {
  margin-bottom: 14px;
}

.model-card--featured h3 {
  color: var(--white);
}

.model-card > p {
  color: var(--slate-700);
  font-size: 0.9rem;
}

.model-card--featured > p,
.model-card--featured .outcome-list li {
  color: #c8d6dc;
}

.model-card--featured .outcome-list li::before {
  box-shadow: inset 0 0 0 4px var(--ink-950);
}

.model-card .btn,
.model-card .text-link {
  margin-top: auto;
  align-self: flex-start;
}

.model-label {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 18px;
  padding: 7px 10px;
  color: var(--accent-600);
  background: rgba(240, 165, 58, 0.12);
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.model-card--featured .model-label {
  color: var(--ink-950);
  background: var(--accent-500);
}

/* Services detail */
.service-detail {
  display: grid;
  grid-template-columns: minmax(260px, 0.68fr) minmax(0, 1.32fr);
  gap: 64px;
  padding: 58px 0;
  border-bottom: 1px solid var(--slate-200);
}

.service-detail:first-child {
  padding-top: 0;
}

.service-detail:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.service-detail-heading {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  align-self: start;
}

.service-detail-heading .service-code {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--accent-600);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.service-detail-heading h2 {
  font-size: clamp(1.9rem, 3vw, 2.55rem);
}

.service-detail-body > p {
  color: var(--slate-700);
  font-size: 1rem;
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.deliverable {
  padding: 17px 18px;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
}

.deliverable strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.86rem;
}

.deliverable span {
  display: block;
  color: var(--slate-600);
  font-size: 0.76rem;
  line-height: 1.45;
}

/* Comparison / matrix */
.table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.service-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.service-matrix th,
.service-matrix td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--slate-200);
  text-align: left;
  vertical-align: top;
}

.service-matrix th {
  color: var(--ink-900);
  background: var(--slate-50);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.service-matrix td {
  color: var(--slate-700);
  font-size: 0.86rem;
}

.service-matrix tr:last-child td {
  border-bottom: 0;
}

.matrix-check {
  color: var(--green-600);
  font-weight: 850;
}

/* Experience */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}

.experience-card {
  position: relative;
  grid-column: span 6;
  min-height: 440px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-950);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.experience-card--wide {
  grid-column: span 12;
  min-height: 500px;
}

.experience-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.66;
  transition: transform 700ms ease, opacity 400ms ease;
}

.experience-card:hover img {
  transform: scale(1.035);
  opacity: 0.74;
}

.experience-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(6, 23, 36, 0.05) 18%, rgba(6, 23, 36, 0.97) 100%);
}

.experience-content {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  padding: 34px;
}

.experience-content h3 {
  max-width: 620px;
  margin-bottom: 12px;
  color: var(--white);
  font-size: clamp(1.35rem, 2.7vw, 2rem);
}

.experience-content p {
  max-width: 690px;
  margin: 0;
  color: #cfdae0;
  font-size: 0.87rem;
}

.experience-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.experience-meta span {
  padding: 6px 9px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 750;
  backdrop-filter: blur(10px);
}

.disclaimer {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 24px;
  color: var(--slate-700);
  background: #fff8eb;
  border: 1px solid #f1d49c;
  border-radius: var(--radius-md);
}

.disclaimer svg {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  color: var(--accent-600);
}

.disclaimer strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-950);
}

.disclaimer p {
  margin: 0;
  font-size: 0.86rem;
}

.sector-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.sector-item {
  display: flex;
  min-height: 118px;
  padding: 18px 14px;
  flex-direction: column;
  justify-content: space-between;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
}

.sector-item strong {
  font-size: 0.8rem;
  line-height: 1.35;
}

.sector-item span {
  color: var(--accent-600);
  font-size: 0.68rem;
  font-weight: 800;
}

/* About */
.about-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 76px;
  align-items: start;
}

.quote-panel {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  padding: 38px;
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(6, 23, 36, 0.96), rgba(16, 56, 78, 0.92)),
    url("../img/experience-industrial.webp") center / cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.quote-mark {
  margin-bottom: 14px;
  color: var(--accent-400);
  font-family: Georgia, serif;
  font-size: 4.5rem;
  line-height: 0.7;
}

.quote-panel blockquote {
  margin: 0;
  font-size: clamp(1.28rem, 2.2vw, 1.75rem);
  font-weight: 650;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.quote-panel footer {
  margin-top: 26px;
  color: #c4d4db;
  font-size: 0.82rem;
}

.prose h2 {
  margin: 1.4em 0 0.45em;
  font-size: clamp(1.75rem, 3vw, 2.55rem);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin: 1.5em 0 0.55em;
}

.prose p,
.prose li {
  color: var(--slate-700);
}

.prose ul {
  padding-left: 1.25em;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.principle {
  padding: 20px;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
}

.principle strong {
  display: block;
  margin-bottom: 5px;
  font-size: 0.9rem;
}

.principle span {
  display: block;
  color: var(--slate-600);
  font-size: 0.78rem;
}

/* FAQ */
.faq-list {
  border-top: 1px solid var(--slate-200);
}

.faq-item {
  border-bottom: 1px solid var(--slate-200);
}

.faq-item summary {
  display: flex;
  padding: 22px 42px 22px 0;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink-950);
  font-weight: 750;
  list-style: none;
  cursor: pointer;
}

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

.faq-item summary::after {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  content: "+";
  color: var(--accent-600);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1;
  text-align: center;
}

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

.faq-answer {
  max-width: 860px;
  padding: 0 0 22px;
  color: var(--slate-700);
  font-size: 0.92rem;
}

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

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 42px;
  align-items: start;
}

.contact-panel {
  padding: 34px;
  color: var(--white);
  background: var(--ink-950);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-panel h2,
.contact-panel h3 {
  color: var(--white);
}

.contact-panel > p {
  color: #c4d4dc;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}

.contact-list a,
.contact-list span {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 13px;
  align-items: center;
  color: var(--white);
  text-decoration: none;
}

.contact-list a:hover strong {
  color: var(--accent-400);
}

.contact-list svg {
  width: 42px;
  height: 42px;
  padding: 10px;
  color: var(--accent-400);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
}

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

.contact-list small {
  color: #9fb5bf;
  font-size: 0.69rem;
}

.contact-list strong {
  font-size: 0.87rem;
  transition: color var(--transition);
}

.contact-note {
  padding-top: 24px;
  color: #9fb5bf;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  font-size: 0.76rem;
}

.brief-card {
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.brief-card h2 {
  margin-bottom: 12px;
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
}

.brief-card > p {
  color: var(--slate-600);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

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

.form-field label {
  color: var(--ink-900);
  font-size: 0.78rem;
  font-weight: 750;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink-950);
  background: var(--slate-50);
  border: 1px solid var(--slate-300);
  border-radius: 10px;
  outline: 0;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background: var(--white);
  border-color: var(--teal-500);
  box-shadow: 0 0 0 4px rgba(42, 152, 162, 0.12);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.form-privacy {
  margin: 14px 0 0;
  color: var(--slate-500);
  font-size: 0.72rem;
}

.form-privacy a {
  color: var(--ink-800);
}

/* CTA */
.cta-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) auto;
  gap: 40px;
  align-items: center;
  padding: 48px;
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(135deg, var(--ink-950), var(--ink-800));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.cta-panel::after {
  position: absolute;
  top: -140px;
  right: -80px;
  width: 360px;
  height: 360px;
  content: "";
  background: radial-gradient(circle, rgba(42, 152, 162, 0.36), transparent 68%);
}

.cta-copy,
.cta-actions {
  position: relative;
  z-index: 1;
}

.cta-panel h2 {
  max-width: 760px;
  margin-bottom: 15px;
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.cta-panel p {
  max-width: 720px;
  margin: 0;
  color: #c6d5dc;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Footer */
.site-footer {
  padding: 70px 0 28px;
  color: #bdccd3;
  background: #04131f;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.3fr) repeat(3, minmax(150px, 0.7fr));
  gap: 52px;
  padding-bottom: 52px;
}

.footer-brand .brand-wordmark {
  width: 154px;
}

.footer-brand .brand-copy {
  border-color: rgba(255, 255, 255, 0.22);
}

.footer-brand .brand-copy strong {
  color: var(--white);
}

.footer-brand .brand-copy span {
  color: #8da4ae;
}

.footer-intro {
  max-width: 420px;
  margin: 22px 0;
  color: #9fb2bb;
  font-size: 0.84rem;
}

.footer-column h3 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a,
.footer-links span {
  color: #9fb2bb;
  font-size: 0.8rem;
  text-decoration: none;
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  padding-top: 24px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #7f98a3;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.72rem;
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-bottom a {
  color: inherit;
  text-decoration: none;
}

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

/* Utility */
.divider {
  height: 1px;
  margin: 36px 0;
  background: var(--slate-200);
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--slate-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.aspect-16-9 {
  aspect-ratio: 16 / 9;
}

.aspect-4-3 {
  aspect-ratio: 4 / 3;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 15px;
}

.stat-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-950);
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1;
}

.stat-card span {
  display: block;
  color: var(--slate-600);
  font-size: 0.76rem;
  line-height: 1.4;
}

.notice-box {
  padding: 24px;
  color: var(--slate-700);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-left: 4px solid var(--teal-500);
  border-radius: 12px;
}

.notice-box strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-950);
}

.logo-cloud {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.logo-cloud-item {
  display: flex;
  min-height: 74px;
  padding: 14px;
  align-items: center;
  justify-content: center;
  color: var(--slate-600);
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-align: center;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

.error-page {
  display: grid;
  min-height: calc(100vh - var(--header-height));
  place-items: center;
  padding: 72px 0;
  text-align: center;
}

.error-code {
  color: var(--accent-500);
  font-size: clamp(5rem, 18vw, 12rem);
  font-weight: 850;
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.error-page h1 {
  margin: 24px 0 18px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.error-page p {
  max-width: 620px;
  margin: 0 auto 28px;
  color: var(--slate-600);
}

/* Responsive */
@media (max-width: 1080px) {
  :root {
    --header-height: 78px;
  }

  .header-cta {
    display: none;
  }

  .nav-link {
    padding-inline: 9px;
    font-size: 0.78rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.7fr);
    gap: 44px;
  }

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

  .hero-strip-item:nth-child(2) {
    border-right: 0;
  }

  .hero-strip-item:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .process-step,
  .process-step:not(:last-child) {
    padding: 24px;
    margin: 0;
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: 14px;
  }

  .sector-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.3fr repeat(2, 0.7fr);
  }

  .footer-column:last-child {
    grid-column: 2 / 4;
  }
}

@media (max-width: 860px) {
  .section {
    padding: 80px 0;
  }

  .section--compact {
    padding: 60px 0;
  }

  .menu-toggle {
    display: inline-flex;
    z-index: 1002;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: auto;
    width: min(88vw, 390px);
    height: 100vh;
    height: 100dvh;
    padding: 104px 26px 32px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    overflow-y: auto;
    background: var(--white);
    box-shadow: -28px 0 70px rgba(6, 23, 36, 0.2);
    transform: translateX(105%);
    transition: transform 300ms ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 5px;
    content: "";
    background: linear-gradient(90deg, var(--accent-500), var(--teal-500));
  }

  .nav-link {
    padding: 15px 14px;
    font-size: 1rem;
  }

  .nav-link[aria-current="page"]::after {
    top: 50%;
    right: auto;
    bottom: auto;
    left: 0;
    width: 3px;
    height: 24px;
    transform: translateY(-50%);
  }

  .site-nav .nav-mobile-cta {
    display: inline-flex;
    margin-top: 12px;
  }

  .menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 999;
    visibility: hidden;
    background: rgba(6, 23, 36, 0.52);
    opacity: 0;
    transition: opacity 300ms ease, visibility 300ms ease;
  }

  .menu-backdrop.is-visible {
    visibility: visible;
    opacity: 1;
  }

  .hero {
    padding: 62px 0 68px;
  }

  .hero::before {
    background-image:
      linear-gradient(180deg, rgba(6, 23, 36, 0.92), rgba(6, 23, 36, 0.98)),
      url("../img/hero-industrial-mobile.webp");
  }

  .hero-grid,
  .page-hero-inner,
  .section-heading,
  .value-grid,
  .about-split,
  .contact-layout,
  .cta-panel,
  .service-detail {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .value-grid,
  .about-split,
  .contact-layout,
  .service-detail {
    gap: 44px;
  }

  .hero-copy {
    max-width: none;
  }

  .control-board {
    max-width: 620px;
  }

  .section-heading {
    gap: 22px;
    margin-bottom: 42px;
  }

  .page-hero {
    padding: 64px 0 68px;
  }

  .page-hero-inner {
    gap: 32px;
  }

  .page-hero-aside {
    max-width: 680px;
  }

  .grid-3,
  .grid-4,
  .model-grid,
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .service-detail-heading,
  .quote-panel {
    position: static;
  }

  .service-detail {
    padding: 48px 0;
  }

  .experience-card,
  .experience-card--wide {
    grid-column: span 12;
    min-height: 430px;
  }

  .cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-column:last-child {
    grid-column: auto;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .container,
  .container--narrow {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 68px 0;
  }

  .section--compact {
    padding: 52px 0;
  }

  .brand-wordmark {
    width: 112px;
  }

  .brand-copy {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  .hero-lead {
    margin-top: 22px;
  }

  .button-row,
  .form-actions {
    align-items: stretch;
  }

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

  .control-board {
    padding: 18px;
    border-radius: 20px;
  }

  .board-kpis {
    grid-template-columns: 1fr;
  }

  .board-kpi {
    min-height: auto;
  }

  .hero-strip,
  .grid-2,
  .grid-3,
  .grid-4,
  .model-grid,
  .process-grid,
  .stat-grid,
  .principle-grid,
  .form-grid,
  .deliverable-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-strip-item,
  .hero-strip-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .hero-strip-item:last-child {
    border-bottom: 0;
  }

  .service-card,
  .model-card {
    min-height: 0;
  }

  .value-statement,
  .quote-panel,
  .contact-panel,
  .brief-card,
  .cta-panel {
    padding: 28px;
    border-radius: 20px;
  }

  .problem-item {
    grid-template-columns: 36px 1fr;
    padding: 16px;
  }

  .problem-index {
    width: 36px;
    height: 36px;
  }

  .process-step,
  .process-step:not(:last-child) {
    padding: 22px;
  }

  .experience-card,
  .experience-card--wide {
    min-height: 470px;
  }

  .experience-content {
    padding: 24px;
  }

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

  .form-field--full {
    grid-column: auto;
  }

  .cta-actions {
    align-items: stretch;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .menu-backdrop,
  .button-row,
  .cta-panel,
  .brief-card {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .section,
  .page-hero {
    padding: 28px 0;
  }

  .page-hero,
  .section--ink {
    color: #000;
    background: #fff;
  }

  .page-hero h1,
  .section--ink h1,
  .section--ink h2,
  .section--ink h3 {
    color: #000;
  }
}

.hero-lead-mobile {
  display: none;
}

/* =========================================================
   MOBILE EXPERIENCE — v2.1
   A true mobile-first layer; desktop rules above remain intact.
   ========================================================= */
@media (max-width: 700px) {
  :root {
    --header-height: 68px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 26px;
  }

  html {
    scroll-padding-top: calc(var(--header-height) + 14px);
  }

  body {
    font-size: 16px;
    line-height: 1.58;
  }

  .container,
  .container--narrow {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 58px 0;
  }

  .section--compact {
    padding: 46px 0;
  }

  h1,
  h2,
  h3 {
    text-wrap: balance;
  }

  h1 {
    font-size: 2.45rem;
    line-height: 1.03;
  }

  h2 {
    font-size: 2rem;
    line-height: 1.08;
  }

  h3 {
    font-size: 1.18rem;
    line-height: 1.18;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.58;
  }

  .eyebrow {
    gap: 8px;
    margin-bottom: 13px;
    font-size: 0.67rem;
    letter-spacing: 0.11em;
  }

  .eyebrow::before {
    width: 22px;
  }

  /* Compact, corporate mobile header */
  .site-header,
  .header-inner {
    min-height: var(--header-height);
  }

  .site-header {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
  }

  .header-inner {
    gap: 12px;
  }

  .brand {
    gap: 9px;
  }

  .brand-wordmark {
    width: 96px;
  }

  .brand-copy {
    display: flex;
    gap: 0;
    padding-left: 9px;
  }

  .brand-copy strong {
    font-size: 0.55rem;
    line-height: 1.1;
    letter-spacing: 0.13em;
  }

  .brand-copy span {
    display: none;
  }

  .menu-toggle {
    position: relative;
    display: inline-flex;
    width: 42px;
    height: 42px;
    z-index: 1003;
    color: var(--ink-950);
    background: var(--slate-50);
    border-color: var(--slate-200);
    border-radius: 11px;
  }

  .menu-toggle svg {
    display: none;
  }

  .menu-toggle::before,
  .menu-toggle::after {
    position: absolute;
    left: 11px;
    width: 18px;
    height: 2px;
    content: "";
    background: currentColor;
    border-radius: 999px;
    transition: transform 240ms ease, top 240ms ease, box-shadow 240ms ease;
  }

  .menu-toggle::before {
    top: 14px;
    box-shadow: 0 6px 0 currentColor, 0 12px 0 currentColor;
  }

  .menu-toggle::after {
    top: 20px;
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"]::before {
    top: 20px;
    box-shadow: none;
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"]::after {
    opacity: 1;
    transform: rotate(-45deg);
  }

  /* Full-screen mobile navigation — no awkward page sliver */
  .site-nav {
    top: var(--header-height);
    width: 100%;
    max-width: none;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    padding: 18px 20px 24px;
    gap: 0;
    z-index: 1001;
    background:
      linear-gradient(rgba(9, 34, 52, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(9, 34, 52, 0.035) 1px, transparent 1px),
      var(--white);
    background-size: 30px 30px;
    box-shadow: none;
  }

  .site-nav::before {
    display: none;
  }

  .nav-link {
    padding: 16px 6px;
    color: var(--ink-900);
    border-bottom: 1px solid var(--slate-200);
    border-radius: 0;
    font-size: 1.04rem;
    font-weight: 730;
  }

  .nav-link:hover {
    background: transparent;
  }

  .nav-link[aria-current="page"] {
    padding-left: 18px;
  }

  .nav-link[aria-current="page"]::after {
    left: 5px;
    width: 3px;
    height: 26px;
  }

  .site-nav .nav-mobile-cta {
    margin-top: 22px;
    min-height: 52px;
  }

  .menu-backdrop {
    display: none;
  }

  /* Homepage hero */
  .hero {
    padding: 42px 0 34px;
  }

  .hero::before {
    background-image:
      linear-gradient(180deg, rgba(6, 23, 36, 0.77) 0%, rgba(6, 23, 36, 0.90) 42%, rgba(6, 23, 36, 0.99) 84%),
      url("../img/hero-industrial-mobile.webp");
    background-position: 58% top;
  }

  .hero::after {
    right: -220px;
    bottom: 18%;
    width: 520px;
    height: 520px;
    opacity: 0.55;
  }

  .hero-grid {
    gap: 30px;
  }

  .hero h1 {
    max-width: 9.8em;
    font-size: clamp(2.28rem, 10.2vw, 2.72rem);
    line-height: 1.035;
    letter-spacing: -0.047em;
  }

  .hero h1 .text-accent {
    display: block;
    margin-top: 0.08em;
  }

  .hero-lead {
    max-width: 35ch;
    margin: 19px 0 22px;
    font-size: 0.98rem;
    line-height: 1.58;
  }

  .hero-lead-desktop {
    display: none;
  }

  .hero-lead-mobile {
    display: inline;
  }

  .hero .button-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .hero .button-row .btn {
    width: 100%;
  }

  .hero .btn--ghost-light {
    min-height: 40px;
    padding: 7px 4px;
    justify-content: flex-start;
    color: #d8e5ea;
    background: transparent;
    border-color: transparent;
    text-decoration: underline;
    text-decoration-color: rgba(216, 229, 234, 0.35);
    text-underline-offset: 5px;
  }

  .hero .btn--ghost-light:hover {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
  }

  .hero-note {
    max-width: none;
    margin-top: 16px;
    padding: 12px 13px;
    gap: 10px;
    color: #c8d7dd;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 12px;
    font-size: 0.76rem;
    line-height: 1.46;
  }

  .hero-note svg {
    width: 18px;
    height: 18px;
  }

  /* Dashboard remains visible, but behaves like a compact mobile widget */
  .control-board {
    width: 100%;
    max-width: none;
    padding: 16px;
    border-radius: 18px;
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.24);
  }

  .control-board::before {
    top: 16px;
    left: -5px;
    height: 48px;
  }

  .board-header {
    gap: 10px;
    margin-bottom: 13px;
  }

  .board-title strong {
    font-size: 0.82rem;
  }

  .board-title span {
    font-size: 0.62rem;
  }

  .board-status {
    padding: 6px 8px;
    font-size: 0.58rem;
  }

  .board-kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
  }

  .board-kpi {
    min-height: 76px;
    padding: 11px;
    border-radius: 11px;
  }

  .board-kpi span {
    margin-bottom: 5px;
    font-size: 0.56rem;
  }

  .board-kpi strong {
    font-size: 0.77rem;
    line-height: 1.27;
  }

  .board-kpi small {
    display: none;
  }

  .board-section {
    padding: 13px;
    border-radius: 11px;
  }

  .board-section + .board-section {
    margin-top: 8px;
  }

  .board-section-header {
    margin-bottom: 10px;
    font-size: 0.57rem;
  }

  .gantt-row {
    grid-template-columns: 70px 1fr;
    gap: 8px;
  }

  .gantt-row + .gantt-row {
    margin-top: 8px;
  }

  .gantt-label {
    font-size: 0.58rem;
  }

  .board-section:last-child {
    display: none;
  }

  /* Swipeable expertise strip; next card remains visible as a cue */
  .hero-strip {
    display: flex;
    width: calc(100% - 16px);
    margin-top: 26px;
    margin-right: 0;
    margin-left: 16px;
    padding: 0 16px 7px 0;
    gap: 10px;
    overflow-x: auto;
    border: 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .hero-strip::-webkit-scrollbar {
    display: none;
  }

  .hero-strip-item,
  .hero-strip-item:nth-child(2) {
    min-width: 78%;
    padding: 15px 16px;
    flex: 0 0 78%;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 13px;
    scroll-snap-align: start;
  }

  .hero-strip-item:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero-strip-item strong {
    margin-bottom: 3px;
    font-size: 0.84rem;
  }

  .hero-strip-item span {
    font-size: 0.69rem;
  }

  /* Inner-page hero */
  .page-hero {
    padding: 44px 0 48px;
  }

  .page-hero::after {
    right: -170px;
    bottom: -190px;
    width: 410px;
    height: 410px;
  }

  .page-hero-inner {
    gap: 25px;
  }

  .page-hero h1 {
    max-width: 10.5em;
    font-size: clamp(2.25rem, 10.2vw, 2.75rem);
    line-height: 1.04;
    letter-spacing: -0.047em;
  }

  .page-hero .lead {
    margin-top: 17px;
    font-size: 0.97rem;
  }

  .breadcrumb {
    margin-bottom: 16px;
    font-size: 0.69rem;
  }

  .page-hero-aside {
    padding: 17px 18px;
    border-radius: 14px;
  }

  .page-hero-aside strong {
    font-size: 0.68rem;
  }

  .page-hero-aside p {
    font-size: 0.83rem;
    line-height: 1.5;
  }

  /* Section rhythm */
  .section-heading {
    gap: 13px;
    margin-bottom: 30px;
  }

  .section-heading--stacked .lead {
    margin-top: 16px;
  }

  .value-grid,
  .about-split,
  .contact-layout,
  .service-detail {
    gap: 34px;
  }

  .value-statement,
  .quote-panel,
  .contact-panel,
  .brief-card,
  .cta-panel {
    padding: 24px;
    border-radius: 18px;
  }

  .value-statement::after {
    right: 12px;
    bottom: 12px;
    font-size: 6.5rem;
  }

  .value-statement h2 {
    font-size: 2rem;
  }

  .problem-list {
    gap: 9px;
  }

  .problem-item {
    grid-template-columns: 34px 1fr;
    gap: 12px;
    padding: 14px;
    border-radius: 12px;
  }

  .problem-index {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 0.67rem;
  }

  .problem-item strong {
    margin-bottom: 3px;
    font-size: 0.9rem;
    line-height: 1.35;
  }

  .problem-item span {
    font-size: 0.76rem;
    line-height: 1.48;
  }

  /* Homepage service cards: compact editorial rows, not tall desktop boxes */
  #uzmanliklar .grid-3 {
    gap: 11px;
  }

  #uzmanliklar .service-card {
    display: grid;
    min-height: 0;
    padding: 18px 16px;
    grid-template-columns: 42px minmax(0, 1fr);
    grid-template-areas:
      "icon title"
      "icon copy"
      "icon link";
    gap: 7px 13px;
    border-radius: 14px;
  }

  #uzmanliklar .service-card:hover {
    transform: none;
  }

  #uzmanliklar .service-card .icon-box {
    width: 42px;
    height: 42px;
    margin: 0;
    grid-area: icon;
    border-radius: 12px;
  }

  #uzmanliklar .service-card .icon-box svg {
    width: 21px;
    height: 21px;
  }

  #uzmanliklar .service-card h3 {
    padding-right: 26px;
    grid-area: title;
    font-size: 1.02rem;
  }

  #uzmanliklar .service-card p {
    margin: 0;
    grid-area: copy;
    font-size: 0.79rem;
    line-height: 1.5;
  }

  #uzmanliklar .service-card .text-link {
    margin-top: 3px;
    grid-area: link;
    font-size: 0.79rem;
  }

  #uzmanliklar .service-number {
    top: 15px;
    right: 15px;
    font-size: 1.35rem;
  }

  /* Models */
  .model-grid {
    gap: 12px;
  }

  .model-card {
    min-height: 0;
    padding: 22px;
    border-radius: 16px;
  }

  .model-card h3 {
    margin-bottom: 10px;
  }

  .model-card > p {
    font-size: 0.83rem;
  }

  .model-card .outcome-list {
    gap: 8px;
    margin-top: 15px;
    margin-bottom: 21px;
  }

  .model-card .text-link,
  .model-card .btn {
    margin-top: 0;
  }

  .model-label {
    margin-bottom: 13px;
  }

  /* Mobile timeline */
  .process-grid {
    display: block;
  }

  .process-step,
  .process-step:not(:last-child) {
    position: relative;
    display: grid;
    padding: 0 0 25px;
    grid-template-columns: 42px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 13px;
    margin: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

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

  .process-step::before {
    width: 38px;
    height: 38px;
    margin: 0;
    grid-column: 1;
    grid-row: 1 / span 2;
    border-radius: 11px;
  }

  .process-step:not(:last-child)::after {
    position: absolute;
    top: 42px;
    bottom: 5px;
    left: 18px;
    width: 2px;
    content: "";
    background: var(--slate-200);
  }

  .process-step h3 {
    margin: 1px 0 5px;
    grid-column: 2;
    font-size: 1rem;
  }

  .process-step p {
    margin: 0;
    grid-column: 2;
    color: var(--slate-600);
    font-size: 0.78rem;
    line-height: 1.48;
  }

  /* Keep proof points concise and scannable */
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }

  .stat-card {
    padding: 17px 15px;
    border-radius: 13px;
  }

  .stat-card strong {
    margin-bottom: 7px;
    font-size: 1.55rem;
  }

  .stat-card span {
    font-size: 0.69rem;
    line-height: 1.42;
  }

  /* General mobile cards and detail pages */
  .card {
    padding: 20px;
    border-radius: 15px;
  }

  .service-detail {
    padding: 38px 0;
  }

  .service-detail-heading h2 {
    font-size: 1.82rem;
  }

  .service-detail-body > p {
    font-size: 0.94rem;
  }

  .deliverable-grid {
    gap: 9px;
  }

  .deliverable {
    padding: 14px 15px;
    border-radius: 11px;
  }

  .table-wrap {
    margin-right: -16px;
    border-radius: 14px 0 0 14px;
    -webkit-overflow-scrolling: touch;
  }

  .experience-card,
  .experience-card--wide {
    min-height: 360px;
    border-radius: 18px;
  }

  .experience-content {
    padding: 21px;
  }

  .experience-content h3 {
    font-size: 1.42rem;
  }

  .experience-content p {
    font-size: 0.79rem;
  }

  .experience-meta {
    gap: 6px;
    margin-bottom: 11px;
  }

  .experience-meta span {
    padding: 5px 8px;
    font-size: 0.59rem;
  }

  .sector-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .sector-item {
    min-height: 100px;
    padding: 14px 12px;
    border-radius: 12px;
  }

  .quote-panel blockquote {
    font-size: 1.2rem;
  }

  .principle-grid {
    gap: 9px;
  }

  .principle {
    padding: 16px;
    border-radius: 12px;
  }

  .faq-item summary {
    padding: 17px 0;
    gap: 14px;
    font-size: 0.93rem;
  }

  .faq-answer {
    padding-bottom: 18px;
    font-size: 0.84rem;
  }

  /* Contact */
  .contact-list {
    margin: 22px 0;
  }

  .contact-list a,
  .contact-list span {
    grid-template-columns: 38px 1fr;
    gap: 11px;
  }

  .contact-list svg {
    width: 38px;
    height: 38px;
    padding: 9px;
    border-radius: 11px;
  }

  .brief-card h2 {
    font-size: 1.82rem;
  }

  .form-grid {
    gap: 14px;
    margin-top: 22px;
  }

  .form-field input,
  .form-field select,
  .form-field textarea {
    padding: 12px 13px;
  }

  .form-field textarea {
    min-height: 120px;
  }

  /* CTA and footer */
  .cta-panel {
    gap: 24px;
  }

  .cta-panel h2 {
    font-size: 1.85rem;
  }

  .cta-panel p {
    font-size: 0.88rem;
  }

  .cta-actions {
    gap: 8px;
  }

  .site-footer {
    padding: 52px 0 24px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 22px;
    padding-bottom: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-column:last-child {
    grid-column: 1 / -1;
  }

  .footer-brand .brand-wordmark {
    width: 118px;
  }

  .footer-brand .brand-copy {
    display: flex;
  }

  .footer-brand .brand-copy span {
    display: block;
    font-size: 0.56rem;
  }

  .footer-intro {
    margin: 18px 0;
    font-size: 0.79rem;
  }

  .footer-column h3 {
    margin-bottom: 13px;
  }

  .footer-links {
    gap: 8px;
  }

  .footer-links a,
  .footer-links span {
    font-size: 0.76rem;
  }

  .footer-bottom {
    gap: 11px;
    font-size: 0.67rem;
  }

  .btn {
    min-height: 48px;
    padding: 12px 17px;
    border-radius: 11px;
    font-size: 0.86rem;
  }

  .btn--sm {
    min-height: 42px;
    padding: 10px 14px;
  }
}

@media (max-width: 365px) {
  .brand-copy {
    display: none;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 2.18rem;
  }

  .hero-strip-item,
  .hero-strip-item:nth-child(2) {
    min-width: 84%;
    flex-basis: 84%;
  }
}

/* =========================================================
   V2.2 — concise homepage, experience credit, HTTPS hardening
   ========================================================= */
.home-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 72px;
  align-items: center;
}

.home-intro h2 {
  max-width: 760px;
}

.home-intro-copy .lead {
  margin-bottom: 18px;
}

.home-experience .section-heading {
  margin-bottom: 38px;
}

.experience-credit {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 3;
  max-width: calc(100% - 36px);
  padding: 7px 10px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(6, 23, 36, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  backdrop-filter: blur(10px);
}

.experience-credit:hover {
  color: var(--white);
  background: rgba(6, 23, 36, 0.9);
}

@media (max-width: 700px) {
  .home-intro {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .home-intro-copy .lead {
    margin-bottom: 14px;
    font-size: 0.94rem;
  }

  .home-experience .section-heading {
    margin-bottom: 26px;
  }

  .experience-credit {
    top: 12px;
    right: 12px;
    max-width: calc(100% - 24px);
    padding: 6px 8px;
    font-size: 0.52rem;
  }
}


.experience-credit[hidden] {
  display: none;
}