:root {
  --bg: #f4f0e8;
  --bg-elevated: #fbfaf6;
  --bg-soft: #e6ded0;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.98);
  --line: rgba(23, 34, 44, 0.1);
  --line-strong: rgba(23, 34, 44, 0.18);
  --text: #17222c;
  --muted: #586674;
  --accent: #c96d35;
  --signal: #2f6d7f;
  --signal-soft: #dceaf0;
  --shadow: 0 16px 46px rgba(41, 52, 61, 0.1);
  --radius-xl: 24px;
  --radius-lg: 16px;
  --container: min(1180px, calc(100vw - 32px));
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-body);
  color: var(--text);
  background: linear-gradient(180deg, #f4f0e8 0%, #eee7dc 48%, #f8f5ee 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 34, 44, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 34, 44, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.24), rgba(0, 0, 0, 0.05));
}

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

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

button,
summary {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 76px 0;
}

section[id] {
  scroll-margin-top: 110px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 800;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading h2,
.hero h1,
.systems-copy h2,
.about-copy h2,
.contact-copy h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0;
}

.section-heading h2,
.about-copy h2 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  margin-bottom: 20px;
}

.systems-copy h2 {
  font-size: clamp(2.2rem, 4.1vw, 3.9rem);
  margin-bottom: 20px;
}

.contact-copy h2 {
  font-size: clamp(2.1rem, 3.9vw, 3.4rem);
  margin-bottom: 16px;
  max-width: 13ch;
}

.section-heading p,
.systems-copy p,
.about-copy p,
.contact-copy p,
.comparison-copy p,
.hero-intro,
.service-card p,
.concrete-copy p,
.concrete-scope p,
.step-card p,
.gallery-copy p,
.testimonial-card p,
.faq-list p,
.focus-strip p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.03rem;
}

.section-heading p {
  max-width: 60ch;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(22, 32, 42, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 5px;
  border-radius: 14px;
  background: #3d4f60;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0;
  color: #f8f6f2;
}

.brand-copy span {
  color: rgba(248, 246, 242, 0.75);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav a {
  color: rgba(248, 246, 242, 0.78);
  font-size: 0.96rem;
  transition: color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #ffffff;
  transform: translateY(-1px);
}

.site-nav .nav-cta {
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  color: #f7f3eb;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  position: relative;
  padding: 72px 0 64px;
  overflow: clip;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -180px 0;
  height: 320px;
  background:
    radial-gradient(circle at center, rgba(47, 109, 127, 0.08), transparent 55%),
    linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.16));
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: 48px;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(3rem, 5.2vw, 5rem);
  max-width: 10ch;
  margin-bottom: 24px;
}

.hero-intro {
  max-width: 58ch;
  margin: 0 0 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--text), #2b3d4b);
  color: #fbf8f2;
  font-weight: 700;
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.58);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-meta li {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(23, 34, 44, 0.1);
  background: rgba(255, 255, 255, 0.52);
  color: #40505e;
  font-size: 0.95rem;
}

.hero-frame {
  position: relative;
  padding: 14px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(23, 34, 44, 0.08);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.hero-frame::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(23, 34, 44, 0.08);
  border-radius: 18px;
  pointer-events: none;
}

.hero-image-stack {
  position: relative;
  min-height: 560px;
}

.hero-image-main {
  margin: 0;
  height: 560px;
  overflow: hidden;
  border-radius: 18px;
}

.hero-image-main img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.94) contrast(1.02);
}

.focus-strip {
  padding: 0 0 8px;
}

.focus-strip-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
  padding: 28px 32px;
  border-radius: 18px;
  background: linear-gradient(135deg, #203240, #2c6171);
  border: 1px solid rgba(23, 34, 44, 0.08);
  box-shadow: var(--shadow);
}

.focus-strip-grid p {
  margin: 0;
  color: #f7f3eb;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  line-height: 1.35;
}

.focus-strip-grid ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.focus-strip-grid li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #f7f3eb;
}

.service-grid,
.concrete-grid,
.testimonial-grid,
.contact-grid {
  display: grid;
  gap: 20px;
}

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

.service-card,
.concrete-card,
.step-card,
.gallery-card,
.testimonial-card,
.contact-card,
.faq-list details,
.portrait-card,
.media-card,
.diagram-card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(23, 34, 44, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.84));
  box-shadow: var(--shadow);
}

.service-card {
  padding: 26px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #e7bf87);
}

.service-index {
  display: inline-flex;
  margin-bottom: 18px;
  color: rgba(23, 34, 44, 0.32);
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
}

.service-media {
  position: relative;
  margin: -26px -26px 22px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid rgba(23, 34, 44, 0.08);
}

.service-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 34, 44, 0.02), rgba(23, 34, 44, 0.42));
}

.service-media img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.02);
}

.service-card:first-child .service-media img {
  object-fit: contain;
  object-position: center;
  background: #f7f3eb;
}

.service-card:first-child .service-media {
  aspect-ratio: 1 / 1;
}

.service-card:first-child .service-media figcaption {
  display: none;
}

.service-media figcaption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 1;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(247, 243, 235, 0.9);
  border: 1px solid rgba(23, 34, 44, 0.1);
  color: var(--text);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.service-card h3,
.concrete-copy h3,
.gallery-copy h3,
.step-card h3,
.comparison-copy h3 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: 1.34rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.service-card ul,
.systems-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.service-card li,
.concrete-tags li,
.systems-list li {
  position: relative;
  padding-left: 18px;
  margin: 0 0 12px;
  color: var(--muted);
}

.service-card li::before,
.concrete-tags li::before,
.systems-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.concrete {
  padding-top: 28px;
}

.concrete-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.concrete-head .section-heading {
  margin-bottom: 0;
}

.concrete-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(23, 34, 44, 0.08);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.concrete-tags li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.45;
}

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

.concrete-card {
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(252, 249, 243, 0.9));
}

.concrete-media {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-bottom: 1px solid rgba(23, 34, 44, 0.08);
}

.concrete-media img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.02);
}

.concrete-copy {
  padding: 26px;
}

.concrete-label {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 800;
}

.concrete-scope {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: 20px;
  padding: 24px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(23, 34, 44, 0.08);
  background: linear-gradient(135deg, rgba(32, 50, 64, 0.96), rgba(47, 109, 127, 0.96));
  box-shadow: var(--shadow);
}

.concrete-scope strong {
  color: #f7f3eb;
  font-family: var(--font-heading);
  font-size: 1.12rem;
}

.concrete-scope p {
  margin: 0;
  color: rgba(247, 243, 235, 0.82);
}

.before-after {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 28px;
  padding: 30px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(23, 34, 44, 0.08);
  background:
    radial-gradient(circle at top right, rgba(47, 109, 127, 0.08), transparent 26%),
    rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow);
}

.comparison-chip {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--signal-soft);
  border: 1px solid rgba(47, 109, 127, 0.12);
  color: var(--signal);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

.proof-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 34px;
}

.proof-head .section-heading {
  margin-bottom: 0;
}

.proof-aside {
  padding: 26px 26px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(23, 34, 44, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.8)),
    radial-gradient(circle at top left, rgba(201, 109, 53, 0.09), transparent 34%);
  box-shadow: var(--shadow);
}

.proof-aside-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--signal);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.proof-aside-list {
  display: grid;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.proof-aside-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.proof-aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.media-card {
  margin: 0;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 4.6;
}

.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 280ms ease;
}

.media-card:hover img,
.media-card:focus-within img {
  transform: scale(1.03);
}

.media-card figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(247, 243, 235, 0.92);
  backdrop-filter: blur(10px);
  font-weight: 700;
  color: var(--text);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.gallery-card {
  overflow: hidden;
  cursor: pointer;
}

.gallery-card:nth-child(2) {
  transform: translateY(28px);
}

.gallery-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
  transition: transform 280ms ease;
}

.gallery-card:hover img,
.gallery-card:focus-within img {
  transform: scale(1.04);
}

.gallery-copy {
  padding: 22px;
}

.process-grid,
.systems-grid,
.about-grid,
.faq-grid {
  display: grid;
  gap: 34px;
}

.process {
  position: relative;
}

.process::before {
  content: "";
  position: absolute;
  inset: 8% 0 auto;
  height: 70%;
  background:
    radial-gradient(circle at 18% 28%, rgba(47, 109, 127, 0.16), transparent 26%),
    radial-gradient(circle at 84% 72%, rgba(201, 109, 53, 0.14), transparent 24%);
  pointer-events: none;
}

.process-grid {
  grid-template-columns: minmax(320px, 0.76fr) minmax(0, 1.24fr);
  align-items: start;
}

.process-copy {
  position: sticky;
  top: 108px;
  max-width: none;
  padding: 38px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top left, rgba(201, 109, 53, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(47, 109, 127, 0.2), transparent 32%),
    linear-gradient(180deg, #223341, #17222c);
  box-shadow: 0 32px 90px rgba(23, 34, 44, 0.18);
  overflow: hidden;
}

.process-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.34), transparent 84%);
  pointer-events: none;
}

.process-copy > * {
  position: relative;
  z-index: 1;
}

.process-copy .eyebrow {
  color: #9cc3d0;
}

.process-copy h2 {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.1vw, 2.9rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0;
}

.process-copy h2,
.process-copy p,
.process-note strong,
.process-checklist li {
  color: #eef3f5;
}

.process-copy p {
  max-width: 26ch;
  color: rgba(238, 243, 245, 0.84);
}

.process-note {
  margin-top: 28px;
  padding: 20px 22px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
}

.process-note strong {
  display: block;
  margin-bottom: 16px;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0;
}

.process-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.process-checklist li {
  position: relative;
  padding-left: 24px;
  color: rgba(238, 243, 245, 0.82);
}

.process-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f0a65c, #62a9bd);
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.06);
}

.process-steps {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 18px 0;
}

.process-steps::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, rgba(47, 109, 127, 0.18), rgba(201, 109, 53, 0.36), rgba(47, 109, 127, 0.18));
  transform: translateX(-50%);
}

.step-card {
  width: min(100%, 420px);
  padding: 28px 28px 26px;
  overflow: visible;
  background:
    radial-gradient(circle at top right, rgba(47, 109, 127, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9));
  box-shadow:
    0 26px 70px rgba(23, 34, 44, 0.11),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.step-card:nth-child(odd) {
  margin-right: auto;
  transform: translateX(-34px);
}

.step-card:nth-child(even) {
  margin-left: auto;
  transform: translateX(34px);
}

.step-card::before {
  content: "";
  position: absolute;
  top: 34px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--signal));
  box-shadow:
    0 0 0 8px rgba(243, 239, 231, 0.95),
    0 10px 24px rgba(47, 109, 127, 0.2);
}

.step-card:nth-child(odd)::before {
  right: -43px;
}

.step-card:nth-child(even)::before {
  left: -43px;
}

.step-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, rgba(201, 109, 53, 0.95), rgba(47, 109, 127, 0.72));
}

.step-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 54px;
  margin-bottom: 22px;
  padding: 0 16px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--signal);
  background: linear-gradient(180deg, rgba(47, 109, 127, 0.12), rgba(47, 109, 127, 0.04));
}

.systems-grid {
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
}

.diagram-card {
  padding: 18px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    linear-gradient(180deg, #213445, #17232d),
    radial-gradient(circle at 18% 18%, rgba(78, 170, 197, 0.18), transparent 26%),
    radial-gradient(circle at 80% 90%, rgba(224, 134, 63, 0.12), transparent 24%);
  box-shadow:
    0 30px 80px rgba(12, 22, 30, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.diagram-card svg {
  width: 100%;
  height: auto;
}

.diagram-card text {
  fill: #eef4f6;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
}

.diagram-flow {
  filter: drop-shadow(0 0 10px rgba(98, 196, 255, 0.24));
  stroke-dasharray: 12 14;
  animation: flowPulse 7s linear infinite;
}

.flow-delay-1 {
  animation-delay: -2.2s;
}

.flow-delay-2 {
  animation-delay: -4.4s;
}

.diagram-droplet {
  filter: drop-shadow(0 0 12px rgba(198, 219, 88, 0.22));
  animation: dropletFloat 4.6s ease-in-out infinite;
}

.droplet-delay-1 {
  animation-delay: -1.2s;
}

.droplet-delay-2 {
  animation-delay: -2.3s;
}

.diagram-pipe-hole {
  fill: #c8dd57;
  filter: drop-shadow(0 0 10px rgba(200, 221, 87, 0.22));
  animation: pipePulse 3.8s ease-in-out infinite;
}

.diagram-pipe-hole:nth-of-type(2) {
  animation-delay: -0.4s;
}

.diagram-pipe-hole:nth-of-type(3) {
  animation-delay: -0.8s;
}

.diagram-pipe-hole:nth-of-type(4) {
  animation-delay: -1.2s;
}

.diagram-pipe-hole:nth-of-type(5) {
  animation-delay: -1.6s;
}

.diagram-label text {
  fill: #eef4f6;
}

@keyframes flowPulse {
  from {
    stroke-dashoffset: 0;
  }

  to {
    stroke-dashoffset: -104;
  }
}

@keyframes dropletFloat {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.82;
  }

  50% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

@keyframes pipePulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.84;
  }

  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

.systems-list {
  margin-top: 26px;
}

.about-grid {
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
}

.portrait-card {
  margin: 0;
  overflow: hidden;
  padding: 16px;
  aspect-ratio: 4 / 3;
}

.portrait-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  border-radius: calc(var(--radius-lg) - 8px);
}

.about-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.about-points div {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(23, 34, 44, 0.08);
}

.about-points strong,
.contact-card strong {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-heading);
  font-size: 1.06rem;
}

.testimonials-shell,
.faq-shell {
  position: relative;
  padding: 42px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(23, 34, 44, 0.08);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.testimonials-shell {
  background:
    radial-gradient(circle at top right, rgba(47, 109, 127, 0.14), transparent 28%),
    radial-gradient(circle at bottom left, rgba(201, 109, 53, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68));
}

.testimonials-shell::before,
.faq-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 34, 44, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 34, 44, 0.026) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.32), transparent 78%);
}

.testimonials-heading,
.faq-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.testimonials-heading {
  margin-bottom: 34px;
}

.testimonials-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.4;
  transition: color 180ms ease, transform 180ms ease;
}

.testimonials-link::after {
  content: "\2197";
  color: var(--signal);
  font-size: 1rem;
}

.testimonials-link:hover,
.testimonials-link:focus-visible {
  color: var(--signal);
  transform: translateX(2px);
}

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

.testimonial-card {
  padding: 28px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(201, 109, 53, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(252, 249, 243, 0.92));
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.testimonial-card::before {
  content: "";
  position: absolute;
  inset: auto 28px 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(23, 34, 44, 0), rgba(23, 34, 44, 0.14), rgba(23, 34, 44, 0));
}

.testimonial-card:nth-child(2) {
  margin-top: 24px;
}

.testimonial-card:nth-child(3) {
  margin-top: 10px;
}

.testimonial-card:hover,
.testimonial-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(47, 109, 127, 0.2);
  box-shadow: 0 26px 82px rgba(34, 45, 54, 0.14);
}

.testimonial-mark {
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 1;
  color: rgba(201, 109, 53, 0.18);
}

.testimonial-rating {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.testimonial-rating span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8bf8b, var(--accent));
  box-shadow: 0 6px 18px rgba(201, 109, 53, 0.22);
}

.quote {
  position: relative;
  z-index: 1;
  margin: 0 0 22px;
  max-width: 24ch;
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--text);
}

.testimonial-footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 18px;
}

.testimonial-footer strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.02rem;
}

.testimonial-footer span {
  color: var(--muted);
  font-size: 0.92rem;
}

.faq-shell {
  background:
    radial-gradient(circle at top left, rgba(201, 109, 53, 0.12), transparent 24%),
    radial-gradient(circle at 88% 16%, rgba(47, 109, 127, 0.13), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.66));
}

.faq-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: start;
  gap: 28px;
}

.faq-copy {
  margin-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-list details {
  padding: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(252, 249, 243, 0.92));
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.faq-list details::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--signal));
  opacity: 0;
  transition: opacity 180ms ease;
}

.faq-list details:hover,
.faq-list details:focus-within {
  transform: translateY(-2px);
}

.faq-list details[open] {
  border-color: rgba(47, 109, 127, 0.18);
  box-shadow: 0 26px 82px rgba(34, 45, 54, 0.12);
}

.faq-list details[open]::before {
  opacity: 1;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 22px 24px;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  line-height: 1.3;
}

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

.faq-index {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(47, 109, 127, 0.08);
  border: 1px solid rgba(47, 109, 127, 0.1);
  color: var(--signal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.faq-question {
  max-width: 34ch;
}

.faq-list summary::after {
  content: "+";
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(201, 109, 53, 0.12);
  color: var(--signal);
  font-size: 1.3rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list details[open] summary {
  padding-bottom: 14px;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 24px 84px;
}

.contact-shell {
  padding: 42px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(47, 109, 127, 0.12), transparent 26%),
    radial-gradient(circle at bottom left, rgba(201, 109, 53, 0.14), transparent 30%),
    rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(23, 34, 44, 0.08);
  box-shadow: var(--shadow);
}

.contact-copy {
  max-width: 980px;
}

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

.contact-card {
  display: grid;
  gap: 10px;
  padding: 24px;
  min-height: 190px;
  transition: transform 180ms ease, border-color 180ms ease;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, rgba(201, 109, 53, 0.78), rgba(47, 109, 127, 0.92));
}

.contact-card:hover,
.contact-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

.contact-card-primary {
  background: linear-gradient(135deg, rgba(47, 109, 127, 0.12), rgba(255, 255, 255, 0.88));
}

.contact-label {
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

.contact-card span:last-child,
.contact-card-static span:last-child {
  color: var(--muted);
  line-height: 1.65;
}

.site-footer {
  padding: 28px 0 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer p {
  margin: 0 0 8px;
  color: var(--muted);
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 700ms ease, transform 700ms ease;
}

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

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 32px;
  background: rgba(19, 27, 35, 0.84);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-image {
  width: min(1024px, 100%);
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
}

.lightbox-image:not([src]) {
  display: none;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #f7f3eb;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .hero-grid,
  .process-grid,
  .systems-grid,
  .about-grid,
  .faq-grid,
  .concrete-head,
  .before-after,
  .focus-strip-grid {
    grid-template-columns: 1fr;
  }

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

  .proof-head {
    grid-template-columns: 1fr;
  }

  .about-points {
    grid-template-columns: 1fr;
  }

  .hero-image-stack,
  .hero-image-main {
    min-height: 560px;
    height: 560px;
  }

  .process-copy {
    position: relative;
    top: auto;
  }

  .process-steps::before {
    left: 50%;
  }

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

  .testimonial-card:nth-child(2),
  .testimonial-card:nth-child(3) {
    margin-top: 0;
  }
}

@media (max-width: 820px) {
  .section {
    padding: 64px 0;
  }

  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: 82px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 12px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(22, 32, 42, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .service-grid,
  .concrete-grid,
  .gallery-grid,
  .testimonial-grid,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-shell,
  .faq-shell {
    padding: 28px 22px;
  }

  .process-copy {
    padding: 30px;
  }

  .process-copy p {
    max-width: none;
  }

  .process-steps {
    padding-left: 28px;
  }

  .process-steps::before {
    left: 9px;
    transform: none;
  }

  .step-card,
  .step-card:nth-child(odd),
  .step-card:nth-child(even) {
    width: 100%;
    max-width: none;
    margin: 0;
    transform: none;
  }

  .step-card:nth-child(odd)::before,
  .step-card:nth-child(even)::before {
    left: -28px;
    right: auto;
  }

  .gallery-card:nth-child(2) {
    transform: none;
  }

  .hero {
    padding-top: 40px;
  }

  .hero h1 {
    max-width: 10ch;
  }

  .hero-frame {
    padding: 16px;
  }

  .hero-image-stack,
  .hero-image-main {
    min-height: 380px;
    height: 380px;
  }

  .focus-strip-grid {
    padding: 24px;
  }

  .contact-shell {
    padding: 24px;
  }

  .concrete-tags,
  .concrete-scope {
    grid-template-columns: 1fr;
  }

  .before-after {
    padding: 22px;
  }

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

@media (max-width: 560px) {
  .header-bar {
    min-height: 74px;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 11vw, 3.05rem);
    line-height: 1.04;
    max-width: 11ch;
  }

  .hero-intro {
    margin-bottom: 22px;
    font-size: 0.98rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-meta {
    align-items: flex-start;
    gap: 8px;
  }

  .hero-meta li {
    padding: 8px 12px;
    font-size: 0.86rem;
  }

  .button {
    width: 100%;
  }

  .hero-image-stack,
  .hero-image-main {
    min-height: 320px;
    height: 320px;
  }

  .service-card,
  .concrete-copy,
  .step-card,
  .testimonial-card,
  .contact-card,
  .faq-list details {
    padding: 22px;
  }

  .testimonial-card {
    min-height: 0;
  }

  .testimonial-card::before {
    inset-inline: 22px;
  }

  .faq-list details {
    padding: 0;
  }

  .faq-list summary {
    grid-template-columns: 40px 1fr 36px;
    gap: 12px;
    padding: 20px;
  }

  .faq-index {
    width: 40px;
    height: 40px;
  }

  .faq-list summary::after {
    width: 36px;
    height: 36px;
  }

  .faq-list p {
    padding: 0 20px 20px;
  }

  .service-media {
    margin: -22px -22px 18px;
  }

  .process-copy,
  .process-note {
    padding-inline: 22px;
  }

  .process-checklist li {
    padding-left: 22px;
  }

  .process-steps {
    padding-left: 24px;
  }

  .step-card:nth-child(odd)::before,
  .step-card:nth-child(even)::before {
    left: -24px;
  }

  .lightbox {
    padding: 18px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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

  .diagram-flow,
  .diagram-droplet,
  .diagram-pipe-hole {
    animation: none !important;
  }
}