:root {
  --anthracite: #26262b;
  --olive: #7f8f55;
  --olive-dark: #51613a;
  --off-white: #ded8cc;
  --white: #eee8dd;
  --surface: #e8e1d5;
  --ink-soft: #4d4a47;
  --line: rgba(38, 38, 43, 0.18);
  --shadow: 0 22px 60px rgba(38, 38, 43, 0.18);
  --header-height: 78px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--anthracite);
  background: var(--off-white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

:focus-visible {
  outline: 3px solid rgba(127, 143, 85, 0.78);
  outline-offset: 4px;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  width: auto;
  height: auto;
  padding: 10px 14px;
  clip: auto;
  color: var(--anthracite);
  background: var(--white);
  font-weight: 800;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 max(20px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid rgba(222, 216, 204, 0.2);
  color: var(--white);
  background: rgba(38, 38, 43, 0.72);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  color: var(--anthracite);
  background: rgba(222, 216, 204, 0.94);
  border-color: var(--line);
  box-shadow: 0 8px 28px rgba(38, 38, 43, 0.08);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  content: "";
  background: var(--olive);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid currentColor;
  border-radius: 6px;
  color: inherit;
  background: transparent;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding-top: calc(var(--header-height) + 58px);
  overflow: hidden;
  color: var(--white);
  background: var(--anthracite);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(38, 38, 43, 0.86), rgba(38, 38, 43, 0.72)),
    url("assets/hero-csps-renovation.png") center / cover no-repeat;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 34%;
  content: "";
  background: linear-gradient(0deg, var(--off-white), rgba(222, 216, 204, 0));
  opacity: 0.08;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 46px;
  text-align: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 920px;
}

.hero-logo-image {
  width: min(760px, 88vw);
  max-width: 100%;
  height: auto;
  margin-right: auto;
  margin-left: auto;
  transform: translateX(-7%);
  filter: drop-shadow(0 24px 42px rgba(0, 0, 0, 0.38));
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

.hero-title {
  max-width: 780px;
  margin: 0;
  letter-spacing: 0;
}

.hero-local-title {
  max-width: 760px;
  color: var(--olive);
  font-size: clamp(1.65rem, 3.4vw, 2.85rem);
  line-height: 1.1;
  font-weight: 800;
}

.lead {
  max-width: 620px;
  margin: 24px 0 8px;
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  align-self: center;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
}

.hero-actions .btn {
  width: 220px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  line-height: 1.15;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--white);
  background: var(--olive-dark);
  box-shadow: 0 14px 36px rgba(81, 97, 58, 0.22);
}

.btn-secondary {
  color: var(--white);
  border-color: rgba(238, 232, 221, 0.48);
  background: rgba(238, 232, 221, 0.08);
}

.section-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.4fr) minmax(0, 0.6fr);
  gap: 56px;
  align-items: start;
}

.section-header,
.section-content {
  min-width: 0;
}

.section-centered .section-layout {
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 32px;
  text-align: center;
}

.section-centered .section-heading,
.section-centered .section-content {
  width: 100%;
  max-width: 900px;
}

.section-title {
  max-width: 620px;
  margin: 0;
  font-size: clamp(1.9rem, 2.7vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: 0;
}

.section-subtitle {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 1.55vw, 1.55rem);
  line-height: 1.24;
  font-weight: 700;
}

.main-section-title,
.brand-title,
.approach-title {
  max-width: 900px;
  margin: 0 auto;
  color: var(--olive-dark);
  font-size: clamp(2.6rem, 4.2vw, 3.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: 0;
}

.section-lead,
.brand-subtitle,
.approach-subtitle {
  max-width: 760px;
  margin: 14px auto 0;
  color: var(--anthracite);
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.2;
  font-weight: 700;
}

.text-panel {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
}

.brand-section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(232, 225, 213, 0.86), rgba(222, 216, 204, 0.96)),
    var(--off-white);
}

.brand-section::before {
  position: absolute;
  top: 0;
  right: 0;
  width: min(42vw, 520px);
  height: 100%;
  content: "";
  background:
    linear-gradient(90deg, rgba(222, 216, 204, 0), rgba(127, 143, 85, 0.12)),
    repeating-linear-gradient(135deg, rgba(38, 38, 43, 0.06) 0 1px, transparent 1px 18px);
  opacity: 0.48;
  pointer-events: none;
}

.brand-section .section-layout {
  position: relative;
  z-index: 1;
}

.brand-intro {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--olive);
  border-radius: 8px;
  background: rgba(232, 225, 213, 0.72);
  box-shadow: 0 18px 44px rgba(38, 38, 43, 0.08);
}

.brand-content p,
.approach-box p,
.obligation-block p,
.obligation-note,
.obligation-cta p,
.obligation-panel-text p,
.category-note,
.team-card p,
.area-text p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
}

.brand-content p {
  margin-right: auto;
  margin-left: auto;
  text-align: left;
}

.brand-content p + p,
.approach-box p + p,
.obligation-block p + p,
.obligation-panel-text p + p {
  margin-top: 14px;
}

.brand-content p + p {
  margin-top: 0;
}

.intro-highlight {
  padding: 10px 0;
  color: var(--anthracite);
  font-size: clamp(1.03rem, 1.55vw, 1.18rem);
  font-weight: 800;
  line-height: 1.55;
}

.approach {
  background:
    linear-gradient(135deg, rgba(38, 38, 43, 0.92), rgba(38, 38, 43, 0.76)),
    radial-gradient(circle at 82% 20%, rgba(127, 143, 85, 0.22), transparent 32%),
    var(--anthracite);
  color: var(--white);
}

.approach-title {
  color: var(--olive);
}

.approach-box {
  max-width: 720px;
  padding: clamp(26px, 4.5vw, 42px);
  border: 1px solid rgba(222, 216, 204, 0.16);
  border-radius: 8px;
  color: var(--white);
  background: rgba(222, 216, 204, 0.08);
}

.approach-box p {
  color: rgba(238, 232, 221, 0.82);
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.cards {
  margin-top: 42px;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.card {
  min-height: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(127, 143, 85, 0.6);
  box-shadow: var(--shadow);
}

.mission-toggle {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  width: 100%;
  padding: 17px 22px;
  border: 0;
  color: var(--anthracite);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.mission-toggle strong {
  font-size: clamp(1.08rem, 1.28vw, 1.28rem);
  line-height: 1.22;
}

.accordion-icon {
  position: relative;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(127, 143, 85, 0.72);
  border-radius: 50%;
  background: transparent;
  flex: 0 0 auto;
}

.accordion-icon::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  content: "";
  border-right: 2px solid var(--olive-dark);
  border-bottom: 2px solid var(--olive-dark);
  transform: translate(-50%, calc(-50% - 2px)) rotate(45deg);
  transition: transform 180ms ease;
}

.mission-accordion.is-open .mission-toggle .accordion-icon::before {
  transform: translate(-50%, calc(-50% + 2px)) rotate(225deg);
}

.mission-panel,
.obligation-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 260ms ease;
}
.obligation-accordion.is-open > .obligation-panel {
  max-height: none !important;
}
.mission-panel p {
  width: auto;
  max-width: none;
  margin: 0;
  padding: 0 54px 14px 22px;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.75;
  text-align: left;
}

.obligations {
  background: #d5cdbf;
}

.obligation-content {
  display: grid;
  gap: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  justify-items: center;
}

.obligation-block,
.obligation-cta {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(232, 225, 213, 0.72);
  box-shadow: 0 18px 44px rgba(38, 38, 43, 0.08);
}

.obligation-block {
  padding: 0;
  text-align: left;
  overflow: hidden;
}

.obligation-toggle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  width: 100%;
  padding: 17px 22px;
  border: 0;
  color: var(--anthracite);
  background: transparent;
  font: inherit;
  text-align: center;
  cursor: pointer;
}

.obligation-toggle::after {
  width: 24px;
  height: 1px;
  content: "";
}

.obligation-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(127, 143, 85, 0.72);
  border-radius: 50%;
}

.obligation-arrow::before {
  width: 8px;
  height: 8px;
  content: "";
  border-right: 2px solid var(--olive-dark);
  border-bottom: 2px solid var(--olive-dark);
  transform: translateY(-2px) rotate(45deg);
  transition: transform 180ms ease;
}

.obligation-accordion.is-open .obligation-arrow::before {
  transform: translateY(2px) rotate(225deg);
}

.obligation-toggle strong {
  display: block;
  margin-bottom: 6px;
  font-size: clamp(1.08rem, 1.28vw, 1.28rem);
  line-height: 1.22;
}

.obligation-toggle small {
  display: block;
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.5;
}

.category-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0 24px 24px;
}

.obligation-panel-text {
  padding: 0 24px 24px;
  text-align: left;
}

.obligation-accordion-compact .obligation-panel-text {
  padding-top: 2px;
  padding-bottom: 22px;
}

.obligation-panel-text p,
.category-note {
  margin-right: auto;
  margin-left: auto;
  text-align: left;
}

.category-list article {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(38, 38, 43, 0.12);
  border-radius: 8px;
  background: rgba(222, 216, 204, 0.52);
  text-align: left;
  overflow: hidden;
}

.category-toggle {
  width: 100%;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  border: 0;
  color: var(--anthracite);
  background: transparent;
  font-size: 1.12rem;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.category-arrow {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid rgba(81, 97, 58, 0.42);
  border-radius: 999px;
}

.category-arrow::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  content: "";
  border-right: 2px solid var(--olive-dark);
  border-bottom: 2px solid var(--olive-dark);
  transform: translate(-50%, -62%) rotate(45deg);
  transition: transform 180ms ease;
}

.category-accordion.is-open .category-arrow::before {
  transform: translate(-50%, -36%) rotate(225deg);
}

.category-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 220ms ease;
}

.category-panel-inner {
  padding: 0 18px 18px;
}

.category-list p + p {
  margin-top: 10px;
}

.category-note {
  grid-column: 1 / -1;
  justify-self: center;
  width: 100%;
  max-width: 680px;
  padding-top: 8px;
  font-weight: 700;
}

.obligation-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 24px;
  color: var(--white);
  background: var(--anthracite);
  text-align: left;
}

.obligation-cta p {
  color: rgba(238, 232, 221, 0.78);
}

.obligation-cta .section-subtitle {
  color: var(--white);
}

.obligation-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.obligation-actions .btn {
  min-width: 170px;
  margin-top: 0;
}

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

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
  text-align: center;
}

.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(38, 38, 43, 0.08);
}

.team-card h3 {
  margin: 0 0 22px;
  color: var(--anthracite);
  font-size: clamp(1.28rem, 1.8vw, 1.55rem);
  line-height: 1.15;
}

.team-card p {
  text-align: center;
}

.team-card p + p {
  margin-top: 14px;
}

.team-common {
  max-width: 760px;
  margin: 4px auto 0;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.5vw, 1.15rem);
  font-weight: 800;
  line-height: 1.55;
  text-align: center;
}

.area-text {
  display: grid;
  justify-items: center;
  gap: 28px;
  max-width: 820px;
  padding: clamp(26px, 4vw, 40px);
  border-top: 1px solid rgba(127, 143, 85, 0.46);
  border-bottom: 1px solid rgba(127, 143, 85, 0.46);
  background: linear-gradient(90deg, rgba(127, 143, 85, 0), rgba(127, 143, 85, 0.1), rgba(127, 143, 85, 0));
}

.area-text p {
  max-width: 720px;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  text-align: center;
}

.area-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.area-pills span {
  padding: 11px 16px;
  border: 1px solid rgba(127, 143, 85, 0.72);
  border-radius: 999px;
  color: var(--anthracite);
  background: rgba(232, 225, 213, 0.62);
  font-size: 0.96rem;
  font-weight: 800;
  line-height: 1;
}

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

.contact-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.75fr);
  align-items: start;
}

.contact .section-lead {
  color: rgba(238, 232, 221, 0.9);
}

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

.contact-person,
.contact-common {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid rgba(222, 216, 204, 0.16);
  border-radius: 8px;
  background: rgba(222, 216, 204, 0.08);
}

.contact-person {
  border-top: 4px solid var(--olive);
}

.contact-name,
.contact-person a,
.contact-common a {
  font-size: 1rem;
  font-weight: 800;
}

.contact-company {
  color: rgba(238, 232, 221, 0.68);
  font-size: 0.95rem;
  font-weight: 700;
}

.contact-common {
  grid-column: 1 / -1;
  border-left: 4px solid var(--olive);
}

.contact-common a {
  overflow-wrap: anywhere;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--anthracite);
  background: var(--surface);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--anthracite);
  background: #d9d1c4;
}

.contact-form textarea {
  resize: vertical;
}

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

.form-status {
  min-height: 22px;
  margin: -4px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 700;
}

.form-privacy {
  margin: -2px 0 0;
  color: rgba(38, 38, 43, 0.72);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.45;
}

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

.site-footer {
  padding: 24px 0;
  color: rgba(238, 232, 221, 0.7);
  background: #1f1f23;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-footer p {
  margin: 0;
  font-size: 0.92rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.92rem;
  font-weight: 800;
}

.floating-call {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 18;
  display: none;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 999px;
  color: var(--white);
  background: var(--olive-dark);
  box-shadow: var(--shadow);
  font-weight: 800;
}

.legal-page {
  background: var(--off-white);
}

.legal-main {
  padding: calc(var(--header-height) + 60px) 0 90px;
}

.legal-content {
  max-width: 860px;
  margin: 0 auto;
}

.legal-section {
  margin-top: 26px;
  padding: 24px;
  border: 1px solid rgba(127, 143, 85, 0.2);
  border-radius: 8px;
  background: rgba(243, 241, 234, 0.64);
}

.legal-content h1 {
  margin: 0 0 18px;
  color: var(--anthracite);
  font-size: clamp(2.1rem, 5vw, 3rem);
  line-height: 1.08;
}

.legal-content h2 {
  margin: 0 0 10px;
  color: var(--olive-dark);
  font-size: 1.35rem;
}

.legal-updated {
  margin: -6px 0 24px;
  color: var(--ink-soft);
  font-size: 0.98rem;
  font-weight: 800;
}

.legal-content p,
.legal-content li {
  color: var(--ink-soft);
}

.legal-content p {
  margin: 0;
}

.legal-content p + p,
.legal-content ul + p,
.legal-content p + ul {
  margin-top: 12px;
}

.legal-content ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.legal-content a {
  color: var(--olive-dark);
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 1100px) {
  .site-nav {
    gap: 16px;
    font-size: 0.84rem;
  }
}

@media (max-width: 1024px) {
  :root {
    --header-height: 70px;
  }

  html {
    scroll-padding-top: var(--header-height);
  }

  .container {
    width: min(100% - 32px, 760px);
  }

  .section {
    padding: 64px 0;
  }

  .site-header {
    height: var(--header-height);
    padding: 0 16px;
    justify-content: center;
  }

  .nav-toggle {
    position: absolute;
    right: auto;
    left: 50%;
    z-index: 31;
    display: grid;
    place-content: center;
    border-color: rgba(238, 232, 221, 0.5);
    background: rgba(38, 38, 43, 0.28);
    transform: translateX(-50%);
  }

  .site-header.is-scrolled .nav-toggle {
    border-color: rgba(38, 38, 43, 0.34);
    background: rgba(38, 38, 43, 0.06);
  }

  .nav-toggle span:not(.sr-only) {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: 3px auto;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nav-toggle span:nth-child(1) {
    transform: translate(-50%, calc(-50% - 7px));
  }

  .nav-toggle span:nth-child(2) {
    transform: translate(-50%, -50%);
  }

  .nav-toggle span:nth-child(3) {
    transform: translate(-50%, calc(-50% + 7px));
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 12px;
    left: 12px;
    z-index: 30;
    display: grid;
    gap: 10px;
    padding: 18px;
    color: var(--anthracite);
    background: rgba(232, 225, 213, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 24px 60px rgba(38, 38, 43, 0.22);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    text-align: center;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .site-nav::before {
    content: "Menu";
    padding: 4px 4px 10px;
    color: var(--ink-soft);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
    border: 1px solid rgba(38, 38, 43, 0.1);
    border-radius: 6px;
    background: rgba(222, 216, 204, 0.66);
    text-align: center;
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    min-height: 100svh;
    align-items: start;
    padding-top: calc(var(--header-height) + 28px);
    padding-bottom: 48px;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(38, 38, 43, 0.92), rgba(38, 38, 43, 0.8)),
      url("assets/hero-csps-renovation.png") center / cover no-repeat;
  }

  .hero-content {
    max-width: 560px;
  }

  .hero-logo-image {
    width: min(620px, 90vw);
  }

  .hero-actions {
    justify-items: center;
    align-self: center;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    width: min(100%, 330px);
    margin-top: 22px;
  }

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

  .mission-toggle,
  .obligation-toggle {
    gap: 12px;
    padding: 15px 18px;
  }

  .mission-panel p {
    padding: 0 48px 13px 18px;
  }

  .section-layout,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .section-header {
    order: 1;
  }

  .section-content {
    order: 2;
  }

  .section-heading {
    max-width: none;
  }

  .team-grid,
  .category-list,
  .contact-directory,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .obligation-cta {
    grid-template-columns: 1fr;
  }

  .obligation-actions {
    justify-content: stretch;
  }

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

  .brand-section::before {
    width: 100%;
    opacity: 0.22;
  }

  .brand-title {
    font-size: 2.125rem;
  }

  .brand-subtitle {
    font-size: 1.375rem;
    line-height: 1.22;
  }

  .brand-intro,
  .approach-box {
    max-width: 680px;
  }

  .approach-box,
  .contact-form,
  .obligation-content {
    padding: 22px;
  }

  .contact-name,
  .contact-person a,
  .contact-common a {
    font-size: 1rem;
  }

  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    min-height: 50px;
    font-size: 1rem;
  }

  .floating-call {
    right: 14px;
    bottom: 14px;
    display: inline-flex;
    align-items: center;
  }

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

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

@media (max-width: 640px) {
  :root {
    --header-height: 68px;
  }

  body {
    font-size: 0.96rem;
    line-height: 1.55;
  }

  .container {
    width: min(calc(100% - 24px), 1120px);
  }

  .site-header {
    padding: 0 14px;
  }

  .nav-toggle {
    width: 50px;
    height: 50px;
  }

  .site-nav {
    right: 14px;
    left: 14px;
    gap: 12px;
    padding: 18px 16px 20px;
  }

  .site-nav a {
    min-height: 56px;
    padding: 15px 18px;
    font-size: 1rem;
  }

  .section {
    padding: 52px 0;
  }

  .hero {
    min-height: 100svh;
    align-items: center;
    padding-top: calc(var(--header-height) + 16px);
    padding-bottom: 34px;
  }

  .hero-logo-image {
    width: min(390px, calc(100vw - 24px));
    max-width: 100%;
    object-fit: contain;
    transform: translateX(-7%);
  }

  .hero-actions {
    width: min(350px, calc(100vw - 48px));
    max-width: 100%;
    gap: 12px;
    margin-top: 24px;
  }

  .hero-actions .btn {
    min-height: 58px;
    padding: 16px 22px;
    font-size: 1.04rem;
  }

  .section-title {
    font-size: clamp(1.5rem, 5.7vw, 1.85rem);
    line-height: 1.14;
  }

  .section-subtitle {
    font-size: 1.1rem;
    line-height: 1.25;
  }

  .mission-toggle {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .mission-toggle strong,
  .obligation-toggle strong {
    font-size: 0.98rem;
  }

  .obligation-toggle small {
    font-size: 0.88rem;
    line-height: 1.45;
  }

  .mission-panel p {
    padding-left: 18px;
    font-size: 0.92rem;
    line-height: 1.58;
  }

  .brand-intro,
  .approach-box {
    max-width: min(100%, 560px);
    padding: 16px;
  }

  .brand-content p,
  .approach-box p,
  .team-card p,
  .contact-form,
  .category-panel-inner p,
  .obligation-panel-text p {
    font-size: 0.93rem;
    line-height: 1.54;
  }

  .intro-highlight {
    padding: 6px 0;
    font-size: 1rem;
    line-height: 1.48;
  }

  .text-panel,
  .approach-box,
  .contact-form,
  .obligation-content,
  .team-card {
    padding: 18px;
  }

  .mission-toggle,
  .obligation-toggle {
    min-height: 58px;
    padding: 13px 16px;
  }

  .obligation-panel-text,
  .category-list {
    padding-right: 16px;
    padding-left: 16px;
    padding-bottom: 18px;
  }

  .category-list {
    gap: 10px;
  }

  .category-toggle {
    min-height: 58px;
    padding: 14px 15px;
    font-size: 1rem;
  }

  .category-panel-inner {
    padding: 0 15px 15px;
  }

  .obligation-cta {
    padding: 18px;
  }

  .team-grid {
    gap: 14px;
  }

  .team-card h3 {
    margin-bottom: 16px;
    font-size: 1.18rem;
  }

  .team-card p + p {
    margin-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}