:root {
  --ink: #15191f;
  --muted: #66717f;
  --line: #d9e0e7;
  --soft: #f3f6f8;
  --paper: #ffffff;
  --deep: #17232c;
  --steel: #2d566b;
  --accent: #d25b2a;
  --accent-dark: #ad431d;
  --green: #4f7563;
  --shadow: 0 20px 55px rgba(28, 41, 51, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

main section[id] {
  scroll-margin-top: 104px;
}

:where(a, button, input, textarea, select):focus-visible {
  outline: 3px solid #e87542;
  outline-offset: 3px;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid rgba(217, 224, 231, 0.86);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff;
  background: var(--deep);
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  flex: 1;
  justify-content: center;
  gap: 22px;
  color: #394653;
  font-size: 15px;
}

.nav-toggle {
  display: none;
}

.nav a:hover,
.header-contact a:hover,
.footer a:hover {
  color: var(--accent);
}

.header-contact {
  display: grid;
  gap: 3px;
  justify-items: end;
  min-width: 190px;
}

.header-email {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.header-phone {
  font-weight: 700;
  white-space: nowrap;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(44px, 7vw, 92px) clamp(18px, 4vw, 64px);
  background:
    linear-gradient(120deg, rgba(243, 246, 248, 0.96), rgba(255, 255, 255, 0.78) 48%, rgba(222, 232, 235, 0.58)),
    radial-gradient(circle at 16% 22%, rgba(210, 91, 42, 0.11), transparent 30%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(38px, 5.2vw, 72px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 3.5vw, 48px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
}

.lead {
  max-width: 760px;
  color: #3e4a55;
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid var(--deep);
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-dark);
}

.button.ghost {
  color: var(--deep);
  background: rgba(255, 255, 255, 0.6);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 40px 0 0;
}

.metrics div {
  min-height: 118px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.metrics dt {
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 28px;
  font-weight: 900;
}

.metrics dd {
  margin: 0;
  color: var(--muted);
}

.hero-visual {
  position: relative;
}

.hero-visual picture {
  display: block;
}

.hero-visual img {
  width: 100%;
  height: auto;
  border: 1px solid rgba(23, 35, 44, 0.14);
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(56px, 7vw, 96px) clamp(18px, 4vw, 64px);
}

.band {
  background: var(--soft);
}

.dark {
  color: #eef4f5;
  background: var(--deep);
}

.section-head {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 72ch;
  color: var(--muted);
  font-size: 18px;
}

.dark .section-head p,
.dark article p {
  color: #c3d0d5;
}

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

.service-grid article,
.audience-grid article,
.case-card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
}

.dark .audience-grid article {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.055);
}

.service-grid span {
  display: inline-block;
  margin-bottom: 26px;
  color: var(--green);
  font-weight: 900;
}

.service-grid p,
.case-card p,
.split p,
.workflow span,
.contact-copy p,
.form-note {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: start;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.problem-list a {
  min-height: 86px;
  padding: 18px;
  border-left: 4px solid var(--accent);
  background: var(--soft);
  font-weight: 800;
}

.problem-list a:hover {
  background: #e7edf1;
}

.case-card {
  min-height: 250px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 1)),
    linear-gradient(90deg, rgba(210, 91, 42, 0.16), transparent);
}

.case-type {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.workflow {
  background: #eef3f4;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  min-height: 180px;
  padding: 58px 24px 24px;
  background: #fff;
  counter-increment: step;
}

.steps li::before {
  position: absolute;
  top: 22px;
  left: 24px;
  color: var(--accent);
  content: "0" counter(step);
  font-weight: 900;
}

.steps strong,
.steps span {
  display: block;
}

.steps strong {
  margin-bottom: 10px;
  font-size: 20px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(56px, 7vw, 96px) clamp(18px, 4vw, 64px);
  color: #fff;
  background: linear-gradient(135deg, #16222b, #244453 64%, #394b45);
}

.contact-copy p {
  color: #d1dce0;
  font-size: 18px;
}

.contact-links a {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-form-wide {
  grid-column: 1 / -1;
}

.contact-form label,
.contact-form span {
  display: grid;
  gap: 7px;
}

.contact-form span {
  color: #43505c;
  font-size: 14px;
  font-weight: 800;
}

.contact-form span em {
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #c8d2da;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--steel);
  outline: 3px solid rgba(45, 86, 107, 0.16);
}

.contact-form input:user-invalid,
.contact-form textarea:user-invalid {
  border-color: #9f2d1f;
}

.contact-form .button:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.form-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: #43505c;
  font-size: 14px;
  font-weight: 700;
}

.form-status[data-state="success"] {
  color: #2f654b;
}

.form-status[data-state="error"] {
  color: #9f2d1f;
}

.form-note a {
  color: var(--steel);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-note {
  margin: 0;
  font-size: 13px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 4vw, 64px);
  color: #b8c3c8;
  background: #10171d;
}

.footer p {
  margin: 0;
}

.page-hero {
  padding: clamp(54px, 7vw, 96px) clamp(18px, 4vw, 64px);
  background:
    linear-gradient(135deg, rgba(243, 246, 248, 0.98), rgba(255, 255, 255, 0.84)),
    linear-gradient(90deg, rgba(79, 117, 99, 0.12), transparent);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs a {
  color: var(--steel);
  font-weight: 800;
}

.page-hero h1 {
  max-width: 920px;
  font-size: clamp(36px, 4.6vw, 64px);
}

.page-hero .lead {
  max-width: 840px;
}

.assistant-intro {
  padding-top: 34px;
  padding-bottom: 34px;
}

.assistant-intro .breadcrumbs {
  margin-bottom: 16px;
}

.assistant-intro h1 {
  max-width: 1040px;
  margin-bottom: 12px;
  font-size: clamp(34px, 4vw, 54px);
}

.assistant-intro .lead {
  max-width: 980px;
  margin-bottom: 0;
  font-size: 19px;
}

.assistant-tool-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.assistant-tool-switch a {
  color: var(--steel);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.assistant-section-band {
  padding-top: 40px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.42fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: start;
}

.article-content {
  display: grid;
  gap: 28px;
}

.article-content section {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.article-content h2 {
  font-size: clamp(26px, 3vw, 38px);
}

.article-content ul {
  margin: 0;
  padding-left: 20px;
  color: #394653;
}

.article-content li + li {
  margin-top: 10px;
}

.aside-card {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}

.aside-card h2 {
  margin-bottom: 0;
  font-size: 24px;
}

.aside-card p {
  color: var(--muted);
}

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

.quick-links a {
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background: var(--soft);
  font-weight: 800;
}

.quick-links a:hover {
  background: #e7edf1;
}

.notice {
  padding: 18px;
  border-left: 4px solid var(--green);
  background: #eef3f4;
  color: #33424c;
}

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

.problem-overview a {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
}

.problem-overview strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.problem-overview span {
  color: var(--muted);
}

.assistant-shell {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.assistant-form,
.assistant-result {
  display: grid;
  gap: 14px;
  min-height: 420px;
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}

.assistant-form {
  position: sticky;
  top: 98px;
}

.assistant-form label,
.assistant-form span {
  display: grid;
  gap: 7px;
}

.assistant-form span {
  color: #43505c;
  font-size: 14px;
  font-weight: 800;
}

.assistant-form select,
.assistant-form input[type="text"],
.assistant-form input:not([type]),
.assistant-form textarea {
  width: 100%;
  border: 1px solid #c8d2da;
  padding: 13px 14px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.assistant-form select:focus,
.assistant-form input[type="text"]:focus,
.assistant-form input:not([type]):focus,
.assistant-form textarea:focus {
  border-color: var(--steel);
  outline: 3px solid rgba(45, 86, 107, 0.16);
}

.assistant-form .assistant-consent {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.assistant-consent input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--orange);
}

.assistant-form .assistant-consent span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
}

.assistant-result {
  align-content: start;
  line-height: 1.58;
}

.assistant-answer {
  display: grid;
  gap: 14px;
}

.assistant-section {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid #d9e1e6;
  background: #fbfcfd;
}

.assistant-section h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
}

.assistant-section p {
  margin: 0;
  color: #33424c;
}

.assistant-section ol,
.assistant-section ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 22px;
  color: #33424c;
}

.assistant-section li::marker {
  color: var(--orange);
  font-weight: 800;
}

.assistant-section strong {
  color: var(--ink);
}

.assistant-section code {
  padding: 2px 5px;
  background: #eef3f4;
  color: #223641;
  font-size: 0.94em;
}

.assistant-section a {
  color: var(--steel);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(45, 86, 107, 0.35);
  text-underline-offset: 3px;
}

.assistant-verification {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 13px 15px;
  border-left: 4px solid var(--green);
  background: #edf4f0;
  color: #2f4f40;
  font-size: 14px;
  font-weight: 800;
}

.assistant-verification.manual {
  border-left-color: #aa7622;
  background: #fbf5e9;
  color: #6d4b17;
}

.assistant-history {
  border: 1px solid #d9e1e6;
  background: #fff;
}

.assistant-history summary {
  cursor: pointer;
  padding: 13px 15px;
  color: var(--steel);
  font-weight: 800;
}

.assistant-history-content {
  padding: 0 15px 15px;
}

.assistant-sources ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.assistant-sources a {
  color: var(--steel);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.assistant-refine {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid #cfd9df;
  background: #eef3f4;
}

.assistant-refine label {
  display: grid;
  gap: 8px;
}

.assistant-refine span {
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.assistant-refine textarea {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  border: 1px solid #c8d2da;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.assistant-refine textarea:focus {
  border-color: var(--steel);
  outline: 3px solid rgba(45, 86, 107, 0.16);
}

.assistant-refinement-note {
  padding: 12px 14px;
  border: 1px solid #d9e1e6;
  background: #fbfcfd;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.assistant-item-note {
  margin: 6px 0 0;
  color: #53616d;
  font-size: 0.96em;
}

.assistant-placeholder,
.assistant-status {
  color: var(--muted);
}

.assistant-result-loading {
  align-content: center;
}

.assistant-loading {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 22px;
  border: 1px solid #d7e0e5;
  background: linear-gradient(180deg, #fbfcfd 0%, #eef3f4 100%);
}

.assistant-loading-indicator {
  width: 42px;
  height: 42px;
  border: 4px solid #d9e1e6;
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: assistant-spin 0.9s linear infinite;
}

.assistant-loading h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.2;
}

.assistant-loading p {
  margin: 0;
  color: #43505c;
}

.assistant-loading ol {
  display: grid;
  gap: 6px;
  margin: 16px 0 0;
  padding-left: 20px;
  color: #33424c;
}

.assistant-loading li::marker {
  color: var(--orange);
  font-weight: 900;
}

@keyframes assistant-spin {
  to {
    transform: rotate(360deg);
  }
}

.assistant-error {
  color: #9f2d1f;
  font-weight: 800;
}

.assistant-meta {
  padding: 12px 14px;
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.visual-intro {
  padding-bottom: 34px;
}

.visual-boundary {
  max-width: 960px;
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 4px solid var(--orange);
  background: #fff;
  color: #43505c;
  font-size: 14px;
  line-height: 1.55;
}

.visual-boundary strong {
  color: var(--ink);
}

.visual-shell {
  grid-template-columns: minmax(380px, 500px) minmax(0, 1fr);
}

.visual-form {
  position: static;
  min-height: 0;
}

.visual-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.visual-fields span {
  min-height: 34px;
  align-content: end;
}

.visual-upload input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.visual-dropzone {
  min-height: 142px;
  place-items: center;
  align-content: center;
  padding: 20px;
  border: 2px dashed #aebdc6;
  background: #f7f9fa;
  color: var(--steel);
  text-align: center;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.visual-dropzone:hover,
.visual-dropzone:focus-within,
.visual-dropzone.is-preparing {
  border-color: var(--orange);
  background: #fff8f3;
}

.visual-upload-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: #fff !important;
  font-size: 25px !important;
  line-height: 1;
}

.visual-dropzone strong {
  color: var(--ink);
  font-size: 16px;
}

.visual-dropzone small {
  max-width: 340px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

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

.visual-photo-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 14px;
  padding: 12px;
  border: 1px solid #d6e0e5;
  background: #f9fbfc;
}

.visual-photo-preview {
  position: relative;
  width: 132px;
  min-height: 132px;
  overflow: hidden;
  background: #dfe7eb;
}

.visual-photo-preview img {
  width: 100%;
  height: 100%;
  min-height: 132px;
  object-fit: cover;
}

.visual-photo-preview > span {
  position: absolute;
  left: 7px;
  bottom: 7px;
  display: block;
  padding: 4px 7px;
  background: rgba(21, 35, 45, 0.88);
  color: #fff;
  font-size: 11px;
}

.visual-photo-context,
.visual-photo-heading {
  min-width: 0;
}

.visual-photo-heading {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 8px;
}

.visual-photo-heading strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 13px;
}

.visual-remove-photo {
  display: grid;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid #c7d1d8;
  background: #fff;
  color: #7f3026;
  font: 22px/1 Arial, sans-serif;
  cursor: pointer;
}

.visual-remove-photo:hover {
  border-color: #9f2d1f;
  background: #fff4f2;
}

.visual-photo-context textarea {
  min-height: 108px;
  resize: vertical;
  font-size: 13px;
}

.visual-result {
  min-height: 620px;
}

.visual-result .assistant-placeholder strong {
  color: var(--ink);
}

.visual-result .assistant-placeholder ul {
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding-left: 21px;
}

.visual-photo-report {
  border-left: 4px solid var(--steel);
  background: #fff;
}

.visual-photo-report h3 {
  color: var(--steel);
}

.visual-refine {
  border-left: 4px solid var(--orange);
}

.assistant-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.assistant-tools-grid article {
  display: grid;
  min-height: 300px;
  align-content: start;
  padding: 26px;
  border: 1px solid var(--line);
  background: #fff;
}

.assistant-tools-grid article > span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.assistant-tools-grid h3 {
  margin: 26px 0 10px;
  font-size: 26px;
}

.assistant-tools-grid p {
  margin: 0 0 24px;
  color: var(--muted);
}

.assistant-tools-grid .button {
  align-self: end;
  justify-self: start;
  margin-top: auto;
}

/* Updated corporate presentation — stc-mitra.com */
.hero-v2 {
  min-height: min(760px, calc(100vh - 76px));
  gap: clamp(28px, 4vw, 58px);
  padding-top: clamp(38px, 5vw, 68px);
  padding-bottom: clamp(38px, 5vw, 68px);
  background:
    linear-gradient(118deg, rgba(239, 244, 246, 0.99), rgba(255, 255, 255, 0.88) 52%, rgba(209, 223, 227, 0.7)),
    radial-gradient(circle at 12% 16%, rgba(210, 91, 42, 0.12), transparent 28%);
}

.hero-v2 h1 {
  max-width: 900px;
  font-size: clamp(42px, 4.6vw, 68px);
  letter-spacing: -0.035em;
}

.hero-v2 .lead {
  max-width: 800px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  border: 1px solid rgba(23, 35, 44, 0.13);
  background: rgba(23, 35, 44, 0.13);
}

.hero-proof > div {
  min-height: 116px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.86);
}

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

.hero-proof strong {
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 22px;
  line-height: 1.05;
}

.hero-proof span {
  color: var(--muted);
  font-size: 14px;
}

.hero-visual-v2 {
  isolation: isolate;
}

.hero-visual-v2::before {
  position: absolute;
  inset: -20px 20px 20px -20px;
  z-index: -1;
  border: 1px solid rgba(45, 86, 107, 0.22);
  content: "";
}

.hero-caption {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  color: #eaf0f2;
  background: var(--deep);
}

.hero-caption span {
  padding: 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  text-align: center;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.positioning-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 0 clamp(18px, 4vw, 64px);
  color: #eaf1f3;
  background: #213a48;
}

.positioning-strip p {
  margin: 0;
  padding: 22px 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.company-story {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(36px, 7vw, 100px);
}

.story-copy {
  position: sticky;
  top: 116px;
  align-self: start;
}

.story-lead {
  color: var(--muted);
  font-size: 20px;
}

.timeline {
  display: grid;
  border-top: 1px solid var(--line);
}

.timeline article {
  display: grid;
  grid-template-columns: 150px minmax(180px, 0.6fr) minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline time {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline h3,
.timeline p {
  margin: 0;
}

.timeline p {
  color: var(--muted);
}

.section-head-wide {
  max-width: 980px;
}

.service-grid-v2 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-grid-v2 article {
  min-height: 220px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.service-grid-v2 article:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(28, 41, 51, 0.1);
}

.incident-section {
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.97), rgba(238, 243, 244, 0.92)),
    linear-gradient(90deg, rgba(210, 91, 42, 0.08), transparent);
}

.incident-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.incident-steps li {
  min-height: 230px;
  padding: 22px;
  background: #fff;
}

.incident-steps li > span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 900;
}

.incident-steps p {
  color: var(--muted);
}

.incident-result {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 24px;
  padding: 22px 26px;
  color: #eaf1f3;
  background: var(--deep);
}

.incident-result strong {
  color: #fff;
}

.problem-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  margin-top: 28px;
}

.text-link {
  color: var(--steel);
  font-weight: 900;
}

.expertise-section {
  background:
    linear-gradient(130deg, rgba(23, 35, 44, 0.98), rgba(33, 67, 81, 0.98)),
    radial-gradient(circle at 82% 20%, rgba(210, 91, 42, 0.2), transparent 36%);
}

.expertise-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.model-flow {
  display: grid;
}

.model-flow article {
  display: grid;
  grid-template-columns: 52px minmax(180px, 0.48fr) minmax(0, 1fr);
  gap: 22px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.model-flow article:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.model-flow span {
  color: #ef8a5e;
  font-size: 13px;
  font-weight: 900;
}

.model-flow strong {
  color: #fff;
  font-size: 18px;
}

.model-flow p {
  margin: 0;
  color: #c3d0d5;
}

.expertise-card {
  padding: 28px;
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow);
}

.expertise-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: #394653;
}

.expertise-card li::marker {
  color: var(--accent);
}

.software-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.software-list span {
  padding: 8px 10px;
  color: var(--steel);
  background: var(--soft);
  font-size: 12px;
  font-weight: 900;
}

.proof-section {
  background: #fff;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.proof-grid article {
  min-height: 142px;
  padding: 20px;
  background: #fff;
}

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

.proof-grid strong {
  margin-bottom: 12px;
  color: var(--deep);
  font-size: clamp(28px, 3vw, 43px);
  line-height: 1;
}

.proof-grid span {
  color: var(--muted);
  font-size: 14px;
}

.proof-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.experience-history {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--line);
  background: var(--line);
}

.experience-history article {
  min-height: 190px;
  padding: 22px;
  background: #f8fafb;
}

.experience-history time {
  display: block;
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.experience-history h3 {
  font-size: 19px;
}

.experience-history p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.defect-profile {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 6vw, 88px);
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.defect-profile > div:first-child p {
  color: var(--muted);
}

.defect-bars {
  display: grid;
  gap: 12px;
}

.defect-bars p {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin: 0;
  padding: 12px 14px;
  overflow: hidden;
  color: var(--deep);
  background: var(--soft);
  font-size: 14px;
  font-weight: 800;
}

.defect-bars p::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--bar, 40%);
  background: rgba(45, 86, 107, 0.14);
  content: "";
}

.defect-bars p:nth-child(1)::before { width: 100%; }
.defect-bars p:nth-child(2)::before { width: 80%; }
.defect-bars p:nth-child(3)::before,
.defect-bars p:nth-child(4)::before { width: 65%; }
.defect-bars p:nth-child(5)::before { width: 60%; }
.defect-bars p:nth-child(6)::before { width: 25%; }

.defect-bars span,
.defect-bars strong {
  position: relative;
  z-index: 1;
}

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

.project-card {
  min-height: 240px;
  padding: 26px;
  border: 1px solid var(--line);
  background: #fff;
}

.project-card-wide {
  grid-column: span 2;
  color: #edf3f4;
  background:
    linear-gradient(120deg, rgba(23, 35, 44, 0.97), rgba(37, 75, 91, 0.94)),
    radial-gradient(circle at 90% 0%, rgba(210, 91, 42, 0.24), transparent 36%);
}

.project-card-wide p {
  color: #c8d5d9;
}

.impact-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.impact-cases article {
  padding: 26px;
  border-top: 4px solid var(--accent);
  color: #eef4f5;
  background: var(--deep);
}

.impact-cases span {
  display: block;
  margin-bottom: 12px;
  color: #fff;
  font-size: 28px;
  font-weight: 900;
}

.impact-cases p {
  margin: 0;
  color: #c3d0d5;
}

.audience-section {
  background: #fff;
}

.audience-grid-v2 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.audience-grid-v2 article {
  min-height: 190px;
  border-top: 4px solid var(--steel);
  background: var(--soft);
}

.audience-grid-v2 p {
  color: var(--muted);
}

.ai-entry {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(32px, 7vw, 100px);
  background: #eef3f4;
}

.ai-entry > div:first-child p:last-child {
  color: var(--muted);
}

.ai-entry-links {
  display: grid;
  gap: 12px;
}

.ai-entry-links a {
  display: grid;
  gap: 8px;
  padding: 24px;
  border-left: 4px solid var(--accent);
  background: #fff;
}

.ai-entry-links strong {
  font-size: 20px;
}

.ai-entry-links span {
  color: var(--muted);
}

.contact-person {
  margin-top: 36px;
  color: #b8c8ce !important;
  font-size: 14px !important;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

@media (max-width: 1240px) {
  .site-header {
    gap: 18px;
  }

  .nav {
    gap: 14px;
    font-size: 14px;
  }

  .service-grid-v2,
  .audience-grid-v2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 1060px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .split,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    max-width: 760px;
  }

  .company-story,
  .expertise-layout,
  .ai-entry {
    grid-template-columns: 1fr;
  }

  .story-copy {
    position: static;
  }

  .timeline article {
    grid-template-columns: 130px minmax(180px, 0.5fr) minmax(0, 1fr);
  }

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

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

  .project-card-wide {
    grid-column: span 2;
  }

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

  .defect-profile {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .audience-grid,
  .case-grid,
  .steps,
  .problem-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .assistant-shell {
    grid-template-columns: 1fr;
  }

  .assistant-form {
    position: static;
  }

  .visual-fields {
    grid-template-columns: 1fr 1fr;
  }

  .assistant-tools-grid {
    grid-template-columns: 1fr;
  }

  .aside-card {
    position: static;
  }
}

@media (min-width: 721px) and (max-width: 900px) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto 44px;
    gap: 10px 18px;
    align-items: center;
    min-height: auto;
    padding: 10px 30px;
  }

  .brand {
    min-width: 0;
  }

  .site-header.has-nav-toggle .nav-toggle {
    display: grid;
    grid-column: 3;
    grid-row: 1;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--line);
    color: var(--deep);
    background: #fff;
    font: 700 25px/1 Arial, sans-serif;
  }

  .site-header.has-nav-toggle .nav {
    display: none;
    grid-column: 1 / -1;
    grid-row: 2;
    order: initial;
    width: auto;
    overflow: visible;
    padding: 4px 0 10px;
  }

  .site-header.has-nav-toggle.nav-open .nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .site-header.has-nav-toggle .nav a {
    display: flex;
    min-height: 44px;
    align-items: center;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
  }

  .header-contact {
    grid-column: 2;
    grid-row: 1;
    display: grid;
    width: auto;
    min-width: 0;
  }

  .header-email,
  .header-phone {
    font-size: 12px;
  }
}

@media (max-width: 720px) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 12px 14px;
    min-height: auto;
    padding: 10px 18px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand small {
    font-size: 11px;
  }

  .site-header.has-nav-toggle .nav-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    align-self: center;
    border: 1px solid var(--line);
    color: var(--deep);
    background: #fff;
    font: 700 25px/1 Arial, sans-serif;
  }

  .site-header.has-nav-toggle .nav {
    display: none;
    grid-column: 1 / -1;
    order: initial;
    width: auto;
    overflow: visible;
    padding: 4px 0 10px;
  }

  .site-header.has-nav-toggle.nav-open .nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .site-header.has-nav-toggle .nav a {
    display: flex;
    min-height: 44px;
    align-items: center;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
  }

  .header-contact {
    grid-column: 1 / -1;
    display: flex;
    width: auto;
    gap: 14px;
    justify-content: space-between;
    justify-items: initial;
    padding-top: 2px;
  }

  .header-email,
  .header-phone {
    font-size: 12px;
  }

  .assistant-intro {
    padding-top: 24px;
    padding-bottom: 26px;
  }

  .assistant-intro h1 {
    font-size: 34px;
  }

  .assistant-intro .lead {
    font-size: 17px;
  }

  .assistant-section-band {
    padding-top: 30px;
  }

  .assistant-form,
  .assistant-result {
    min-height: auto;
    padding: 18px;
  }

  .assistant-section {
    padding: 15px;
  }

  .visual-fields {
    grid-template-columns: 1fr;
  }

  .visual-fields span {
    min-height: 0;
  }

  .visual-photo-card {
    grid-template-columns: 1fr;
  }

  .visual-photo-preview {
    width: 100%;
    min-height: 210px;
    max-height: 300px;
  }

  .visual-photo-preview img {
    min-height: 210px;
    max-height: 300px;
  }

  .visual-boundary {
    margin-top: 14px;
  }

  .assistant-tools-grid article {
    min-height: 0;
    padding: 20px;
  }

  .metrics,
  .hero-proof,
  .positioning-strip,
  .incident-steps,
  .proof-grid,
  .project-grid,
  .impact-cases,
  .service-grid,
  .audience-grid,
  .case-grid,
  .steps,
  .problem-list,
  .problem-overview {
    grid-template-columns: 1fr;
  }

  .positioning-strip {
    padding: 0 18px;
  }

  .positioning-strip p {
    padding: 15px 12px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .timeline article,
  .model-flow article,
  .incident-result {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .timeline article {
    padding: 24px 0;
  }

  .hero-proof > div,
  .incident-steps li,
  .proof-grid article,
  .project-card,
  .project-card-wide {
    min-height: auto;
  }

  .incident-steps li > span {
    margin-bottom: 28px;
  }

  .project-card-wide {
    grid-column: auto;
  }

  .metrics div,
  .problem-list a,
  .service-grid article,
  .audience-grid article,
  .case-card,
  .steps li {
    min-height: auto;
  }

  .footer {
    flex-direction: column;
  }
}

/* International portfolio update */
.international-hero .hero-visual {
  align-self: start;
  display: grid;
  align-content: center;
  margin-top: 12px;
}

.international-hero .hero-visual picture {
  display: block;
  overflow: hidden;
  border: 1px solid rgba(23, 35, 44, 0.14);
  background: #edf3f5;
  box-shadow: var(--shadow);
}

.international-hero .hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 72% center;
  border: 0;
  box-shadow: none;
}

.proof-grid-international strong {
  white-space: nowrap;
}

.technical-core-section {
  background:
    linear-gradient(125deg, rgba(20, 31, 39, 0.99), rgba(30, 61, 74, 0.98)),
    radial-gradient(circle at 84% 14%, rgba(210, 91, 42, 0.22), transparent 32%);
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.14);
}

.analysis-card {
  min-width: 0;
  padding: 26px;
  background: rgba(255, 255, 255, 0.055);
}

.analysis-index {
  display: block;
  margin-bottom: 36px;
  color: #ef8a5e;
  font-size: 13px;
  font-weight: 900;
}

.analysis-card h3 {
  color: #fff;
  font-size: 25px;
}

.analysis-card > p {
  min-height: 74px;
  color: #c3d0d5;
}

.analysis-card dl {
  margin: 22px 0 0;
}

.analysis-card dl div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.analysis-card dl div:nth-child(even) {
  margin-right: -12px;
  margin-left: -12px;
  padding-right: 12px;
  padding-left: 12px;
  background: rgba(255, 255, 255, 0.035);
}

.analysis-card dt {
  color: #ef8a5e;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.analysis-card dd {
  margin: 0;
  color: #d0dade;
  font-size: 14px;
}

.technical-footer {
  display: grid;
  grid-template-columns: 0.7fr 1fr 1.3fr;
  gap: 1px;
  margin-top: 1px;
  background: rgba(255, 255, 255, 0.14);
}

.technical-footer div {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(8, 18, 24, 0.3);
}

.technical-footer strong {
  color: #ef8a5e;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.technical-footer span {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.section-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-top: 28px;
}

.section-cta .text-link {
  min-height: 44px;
  align-content: center;
}

.standards-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.standards-grid {
  display: grid;
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.14);
}

.standards-grid article {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 26px;
  min-height: 150px;
  align-items: center;
  padding: 26px;
  background: rgba(255, 255, 255, 0.055);
}

.standards-grid strong {
  color: #fff;
  font-size: 34px;
}

.standards-grid span {
  color: #c3d0d5;
}

.experience-gallery-section {
  background: #f3f6f8;
}

.experience-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.experience-card {
  display: grid;
  align-content: start;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 12px 30px rgba(28, 41, 51, 0.07);
}

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

.experience-card-pavlova {
  grid-column: span 2;
}

.experience-card-validation {
  grid-column: span 2;
}

.experience-card-museum {
  grid-column: span 2;
}

.experience-card-thermal {
  grid-column: span 2;
}

.experience-card-sakhalin {
  align-self: start;
}

.experience-card-industrial {
  grid-column: 1 / -1;
}

.experience-card-source-wide,
.experience-card-minaret {
  grid-column: span 2;
}

.experience-card-source-compact {
  align-self: start;
}

.experience-card-pavlova .experience-copy {
  padding: 18px;
}

.experience-card-pavlova + .experience-card {
  align-self: start;
}

.experience-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 0 !important;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

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

.experience-media-single {
  grid-template-columns: minmax(0, 1fr);
}

.experience-media-collage {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  grid-template-rows: repeat(2, minmax(0, 1fr));
  width: min(calc(100% - 36px), 1120px);
  min-height: 210px;
  margin: 18px auto 0;
  border: 1px solid var(--line);
}

.experience-media-analysis {
  grid-template-columns: minmax(0, 1fr);
  width: min(calc(100% - 36px), 900px);
  margin: 18px auto 0;
  border: 1px solid var(--line);
}

.experience-media-validation {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(calc(100% - 36px), 1120px);
  margin: 18px auto 0;
  border: 1px solid var(--line);
}

.experience-media-museum {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  width: min(calc(100% - 36px), 1120px);
  margin: 18px auto 0;
  border: 1px solid var(--line);
}

.experience-media-thermal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(calc(100% - 36px), 1120px);
  margin: 18px auto 0;
  border: 1px solid var(--line);
}

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

.experience-media-industrial {
  display: block;
  width: min(calc(100% - 36px), 1440px);
  margin: 18px auto 0;
  columns: 4;
  column-gap: 1px;
  border: 1px solid var(--line);
}

.experience-media-project-trio,
.experience-media-local-node,
.experience-media-minaret {
  width: min(calc(100% - 36px), 1120px);
  margin: 18px auto 0;
  border: 1px solid var(--line);
}

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

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

.experience-media-tower {
  grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
}

.experience-media-sports-review {
  grid-template-columns: minmax(0, 1fr);
}

.experience-media-minaret {
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  max-width: 900px;
}

.experience-media figure {
  position: relative;
  display: grid;
  min-width: 0;
  aspect-ratio: 16 / 9;
  place-items: center;
  margin: 0;
  overflow: hidden;
  background: #f8fafb;
}

.experience-media-featured figure {
  aspect-ratio: 2.05 / 1;
}

.experience-media-collage figure {
  aspect-ratio: auto;
}

.experience-media-analysis figure {
  aspect-ratio: 835 / 589;
}

.experience-media-validation .validation-test-photo {
  grid-column: 1 / -1;
  aspect-ratio: 2.4 / 1;
}

.experience-media-validation .validation-test-photo img {
  object-fit: cover;
  object-position: center 58%;
}

.experience-media-validation .validation-chart {
  aspect-ratio: 1.6 / 1;
}

.experience-media-museum figure {
  grid-column: span 2;
  aspect-ratio: 1 / 1;
}

.experience-media-museum .museum-cantilever,
.experience-media-museum .museum-deflection {
  grid-column: span 3;
  aspect-ratio: 2 / 1;
}

.experience-media-museum .museum-exterior img {
  object-fit: cover;
}

.experience-media-museum .museum-exterior-sculpture img {
  object-position: center 42%;
}

.experience-media-thermal figure {
  aspect-ratio: 4 / 3;
}

.experience-media-thermal .thermal-model-overview img {
  width: 112%;
  height: 112%;
}

.experience-media-sakhalin .sakhalin-model,
.experience-media-sakhalin .sakhalin-render {
  aspect-ratio: 4 / 3;
}

.experience-media-sakhalin .sakhalin-section {
  grid-column: 1 / -1;
  aspect-ratio: 2.6 / 1;
}

.experience-media-industrial figure {
  display: inline-grid;
  width: 100%;
  aspect-ratio: auto;
  margin: 0 0 1px;
  break-inside: avoid;
}

.experience-media-industrial img {
  height: auto;
}

.experience-media-local-node figure {
  aspect-ratio: 2.4 / 1;
}

.experience-media-tower .tower-structure {
  aspect-ratio: 0.448 / 1;
}

.experience-media-tower .tower-fire {
  align-self: center;
  aspect-ratio: 2 / 1;
}

.experience-media-sports-review figure:first-child {
  aspect-ratio: 1116 / 636;
}

.experience-media-sports-review figure:last-child {
  aspect-ratio: 913 / 636;
}

.experience-media-minaret .minaret-photo {
  aspect-ratio: 0.6 / 1;
}

.experience-media-minaret .minaret-mode {
  align-self: center;
  aspect-ratio: 16 / 9;
}

.experience-media-collage .experience-collage-primary {
  grid-row: 1 / -1;
}

.experience-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.experience-media figcaption {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 5px 7px;
  color: #fff;
  background: rgba(23, 35, 44, 0.82);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.experience-copy {
  padding: 17px;
}

.experience-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.experience-card h3 {
  margin-bottom: 7px;
  font-size: 18px;
}

.experience-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1060px) {
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .analysis-card > p {
    min-height: 0;
  }

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

  .standards-layout {
    grid-template-columns: 1fr;
  }

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

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

  .experience-card-pavlova {
    grid-column: span 2;
  }

  .experience-card-validation {
    grid-column: span 2;
  }

  .experience-card-museum {
    grid-column: span 2;
  }

  .experience-card-thermal {
    grid-column: span 2;
  }

  .experience-card-industrial {
    grid-column: span 2;
  }

  .experience-card-source-wide,
  .experience-card-minaret {
    grid-column: span 2;
  }

  .experience-media-industrial {
    columns: 3;
  }

  .experience-media-collage {
    min-height: 210px;
  }
}

@media (max-width: 720px) {
  .hero-v2 {
    padding-top: 34px;
    padding-bottom: 42px;
  }

  .hero-v2 h1 {
    font-size: clamp(36px, 10.5vw, 46px);
    line-height: 1.03;
  }

  .hero-v2 .lead {
    font-size: 17px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .international-hero .hero-visual img {
    aspect-ratio: 16 / 11;
    object-position: 68% center;
  }

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

  .contact-form-wide {
    grid-column: auto;
  }

  .standards-grid article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .experience-gallery {
    grid-template-columns: 1fr;
  }

  .experience-card-featured {
    grid-column: auto;
  }

  .experience-card-pavlova {
    grid-column: auto;
  }

  .experience-card-validation {
    grid-column: auto;
  }

  .experience-card-museum {
    grid-column: auto;
  }

  .experience-card-thermal {
    grid-column: auto;
  }

  .experience-card-industrial {
    grid-column: auto;
  }

  .experience-card-source-wide,
  .experience-card-minaret {
    grid-column: auto;
  }

  .experience-card-pavlova .experience-copy {
    padding: 20px;
  }

  .experience-media-collage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto auto;
    width: calc(100% - 24px);
    min-height: 0;
    margin-top: 12px;
  }

  .experience-media-analysis {
    width: calc(100% - 24px);
    margin-top: 12px;
  }

  .experience-media-validation {
    grid-template-columns: minmax(0, 1fr);
    width: calc(100% - 24px);
    margin-top: 12px;
  }

  .experience-media-validation .validation-test-photo {
    grid-column: auto;
    aspect-ratio: 4 / 3;
  }

  .experience-media-museum {
    grid-template-columns: minmax(0, 1fr);
    width: calc(100% - 24px);
    margin-top: 12px;
  }

  .experience-media-museum figure {
    grid-column: auto;
    aspect-ratio: 4 / 3;
  }

  .experience-media-museum .museum-cantilever,
  .experience-media-museum .museum-deflection {
    grid-column: auto;
    aspect-ratio: 2 / 1;
  }

  .experience-media-thermal {
    grid-template-columns: minmax(0, 1fr);
    width: calc(100% - 24px);
    margin-top: 12px;
  }

  .experience-media-sakhalin {
    grid-template-columns: minmax(0, 1fr);
  }

  .experience-media-sakhalin .sakhalin-section {
    grid-column: auto;
  }

  .experience-media-industrial {
    width: calc(100% - 24px);
    margin-top: 12px;
    columns: 2;
  }

  .experience-media-project-trio,
  .experience-media-local-node,
  .experience-media-tower,
  .experience-media-minaret {
    grid-template-columns: minmax(0, 1fr);
    width: calc(100% - 24px);
    margin-top: 12px;
  }

  .experience-media-tower .tower-structure {
    aspect-ratio: 2 / 3;
  }

  .experience-media-tower .tower-fire,
  .experience-media-minaret .minaret-mode {
    aspect-ratio: 16 / 9;
  }

  .experience-media-minaret .minaret-photo {
    aspect-ratio: 3 / 4;
  }

  .experience-media-collage figure {
    aspect-ratio: 16 / 9;
  }

  .experience-media-collage .experience-collage-primary {
    grid-column: 1 / -1;
    grid-row: auto;
    aspect-ratio: 4 / 3;
  }

  .experience-history {
    grid-template-columns: 1fr;
  }

  .experience-media-featured figure {
    aspect-ratio: 16 / 9;
  }

  .analysis-card {
    padding: 22px;
  }

  .analysis-index {
    margin-bottom: 24px;
  }

  .analysis-card dl div {
    grid-template-columns: 64px minmax(0, 1fr);
  }
}

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

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

/* Portfolio directory and accessibility refinement */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  min-height: 44px;
  padding: 11px 16px;
  color: #fff;
  background: var(--deep);
  font-weight: 800;
  transform: translateY(-160%);
}

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

.nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 800;
}

.mobile-contact-strip {
  display: none;
}

.hero-v2 {
  grid-template-rows: auto auto;
}

.hero-v2 .hero-copy {
  grid-column: 1;
  grid-row: 1;
}

.hero-v2 .hero-visual {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.hero-v2 > .hero-proof {
  grid-column: 1;
  grid-row: 2;
  margin-top: 0;
}

.experience-gallery-featured {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-evidence-gallery figcaption {
  position: absolute;
  right: 7px;
  bottom: 7px;
  padding: 4px 6px;
  color: #fff;
  background: rgba(23, 35, 44, 0.84);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-record .experience-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.project-detail-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 14px;
  color: var(--steel);
  border-bottom: 1px solid currentColor;
  font-size: 13px;
  font-weight: 800;
}

.projects-actions {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.technical-enquiry-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 28px;
  padding: 28px;
  color: #eef4f5;
  background: var(--deep);
}

.technical-enquiry-cta h2,
.technical-enquiry-cta h3 {
  margin-bottom: 8px;
  color: #fff;
}

.technical-enquiry-cta h2 {
  font-size: clamp(26px, 3vw, 38px);
}

.technical-enquiry-cta p {
  max-width: 820px;
  margin: 0;
  color: #c9d5da;
}

.technical-enquiry-cta-standalone {
  margin: 0;
  padding: clamp(36px, 5vw, 64px);
}

.inline-contact-link {
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  font-weight: 800;
}

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

.projects-hero .lead {
  max-width: 980px;
}

.projects-directory {
  background: var(--soft);
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: -8px 0 28px;
}

.project-filters button {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid #aebbc5;
  color: var(--deep);
  background: #fff;
  font: 800 13px/1.2 Arial, sans-serif;
  cursor: pointer;
}

.project-filters button[aria-pressed="true"] {
  color: #fff;
  border-color: var(--deep);
  background: var(--deep);
}

.project-catalog {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 18px;
}

.project-catalog .project-record {
  grid-column: auto;
  scroll-margin-top: 96px;
}

.project-record[hidden] {
  display: none !important;
}

.project-context-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 14px;
}

.project-context-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--steel);
  border-bottom: 1px solid currentColor;
  font-size: 12px;
  font-weight: 800;
}

.project-evidence {
  width: 100%;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.project-evidence summary {
  min-height: 44px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.project-evidence-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 10px;
  background: var(--line);
}

.project-evidence-gallery figure {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 190px;
  margin: 0;
  overflow: hidden;
  place-items: center;
  background: #fff;
}

.project-evidence-gallery img {
  width: 100%;
  height: 100%;
  max-height: 320px;
  object-fit: contain;
  background: #fff;
}

.project-filter-status {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 1060px) {
  .hero-v2 .hero-copy,
  .hero-v2 .hero-visual,
  .hero-v2 > .hero-proof {
    grid-column: 1;
    grid-row: auto;
  }

  .hero-v2 .hero-copy {
    order: 1;
  }

  .hero-v2 .hero-visual {
    order: 2;
  }

  .hero-v2 > .hero-proof {
    order: 3;
  }
}

@media (max-width: 767px) {
  main section[id],
  .project-catalog .project-record {
    scroll-margin-top: 80px;
  }

  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 10px 14px;
    min-height: 64px;
    padding: 9px 18px;
  }

  .site-header .header-contact {
    display: none;
  }

  .site-header.has-nav-toggle .nav-toggle {
    display: grid;
    grid-column: 2;
    grid-row: 1;
    width: 44px;
    height: 44px;
    place-items: center;
    align-self: center;
    border: 1px solid var(--line);
    color: var(--deep);
    background: #fff;
    font: 700 25px/1 Arial, sans-serif;
  }

  .site-header.has-nav-toggle .nav {
    display: none;
    grid-column: 1 / -1;
    grid-row: 2;
    width: auto;
    padding: 4px 0 8px;
  }

  .site-header.has-nav-toggle.nav-open .nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .site-header.has-nav-toggle .nav a {
    display: flex;
    min-height: 44px;
    align-items: center;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
  }

  .mobile-contact-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 18px;
    justify-content: space-between;
    min-height: 42px;
    align-items: center;
    padding: 7px 18px;
    color: #41505c;
    border-bottom: 1px solid var(--line);
    background: #fff;
    font-size: 12px;
    font-weight: 800;
  }

  .mobile-contact-strip a {
    display: inline-flex;
    min-height: 28px;
    align-items: center;
  }

  .hero-v2 {
    gap: 24px;
    padding-top: 30px;
    padding-bottom: 36px;
  }

  .hero-v2 h1 {
    font-size: clamp(34px, 10vw, 42px);
    overflow-wrap: anywhere;
  }

  .hero-v2 .hero-visual {
    width: 100%;
    margin-top: 0;
  }

  .hero-v2 > .hero-proof {
    width: 100%;
  }

  .experience-gallery-featured,
  .project-catalog {
    grid-template-columns: minmax(0, 1fr);
  }

  .technical-enquiry-cta {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 22px;
  }

  .technical-enquiry-cta .button {
    width: 100%;
  }

  .projects-hero {
    padding-top: 34px;
  }

  .project-filters {
    gap: 7px;
  }

  .project-filters button {
    flex: 1 1 auto;
  }

  .project-evidence-gallery {
    grid-template-columns: minmax(0, 1fr);
  }

  .project-evidence-gallery figure {
    min-height: 170px;
  }
}

/* Restore the project-specific compositions used before the portfolio refactor. */
.experience-gallery-featured,
.project-catalog {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-catalog .experience-card-featured,
.project-catalog .experience-card-pavlova,
.project-catalog .experience-card-validation,
.project-catalog .experience-card-museum,
.project-catalog .experience-card-thermal,
.project-catalog .experience-card-source-wide,
.project-catalog .experience-card-minaret {
  grid-column: span 2;
}

.project-catalog .experience-card-industrial {
  grid-column: 1 / -1;
}

@media (max-width: 1060px) {
  .experience-gallery-featured,
  .project-catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-catalog .experience-card-featured,
  .project-catalog .experience-card-pavlova,
  .project-catalog .experience-card-validation,
  .project-catalog .experience-card-museum,
  .project-catalog .experience-card-thermal,
  .project-catalog .experience-card-industrial,
  .project-catalog .experience-card-source-wide,
  .project-catalog .experience-card-minaret {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .experience-gallery-featured,
  .project-catalog {
    grid-template-columns: minmax(0, 1fr);
  }

  .project-catalog .project-record {
    grid-column: auto;
  }
}