:root {
  --bg: #f4f1e8;
  --surface: #fffdf8;
  --surface-strong: #183126;
  --surface-accent: #dce8da;
  --text: #1f271f;
  --text-soft: #5c665a;
  --border: #d6dccf;
  --accent: #2f6b43;
  --accent-dark: #204931;
  --shadow: 0 20px 50px rgba(24, 49, 38, 0.08);
  --radius: 24px;
  --radius-small: 16px;
  --container: min(1120px, calc(100% - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(47, 107, 67, 0.18), transparent 28%),
    linear-gradient(180deg, #f7f4ec 0%, #eef2ea 100%);
  line-height: 1.6;
}

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(244, 241, 232, 0.92);
  border-bottom: 1px solid rgba(214, 220, 207, 0.6);
  box-shadow: 0 1px 8px rgba(24, 49, 38, 0.04);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand__logo {
  height: 64px;
  width: auto;
}

.brand__logo--dark {
  display: none;
}

[data-theme="dark"] .brand__logo--light {
  display: none;
}

[data-theme="dark"] .brand__logo--dark {
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav__link {
  color: var(--text-soft);
  font-size: 0.92rem;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}

.site-nav__link:hover {
  background: rgba(47, 107, 67, 0.08);
  color: var(--accent-dark);
}

.site-nav__link.is-current {
  color: var(--accent-dark);
  font-weight: 600;
}

.footer__link:hover {
  color: var(--accent-dark);
}

.site-nav__toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.35rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow);
}

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

.button--secondary {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid rgba(47, 107, 67, 0.25);
  box-shadow: none;
}

.button--small {
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
}

.hero,
.section,
.page-hero {
  padding: 5rem 0;
}

.hero__grid,
.split-grid,
.project-spotlight,
.contact-layout {
  display: grid;
  gap: 1.5rem;
}

.hero__grid,
.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent-dark);
  margin-bottom: 1rem;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.75rem);
  line-height: 1.02;
  margin-bottom: 1.1rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--text-soft);
  max-width: 58ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.75rem 0 2rem;
}

.panel,
.card,
.feature-panel {
  background: rgba(255, 253, 248, 0.88);
  border: 1px solid rgba(214, 220, 207, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.75rem;
}

.hero-visual {
  min-height: 430px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-visual__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-visual__overlay {
  position: relative;
  z-index: 1;
  padding: 2rem;
  background: linear-gradient(0deg, rgba(24, 49, 38, 0.92) 0%, rgba(24, 49, 38, 0.5) 60%, transparent 100%);
}

.hero-visual__label {
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
}

.hero-visual__title {
  font-size: 2rem;
  margin: 0.7rem 0;
}

.hero-visual__copy {
  max-width: 36ch;
  color: rgba(255, 255, 255, 0.84);
}

.stats-grid,
.cards-grid,
.process-grid {
  display: grid;
  gap: 1rem;
}

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

.stat-card {
  padding: 1.5rem;
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  color: var(--accent-dark);
}

.stat-card span {
  color: var(--text-soft);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

.section-heading h2,
.split-grid h2,
.contact-panel h2,
.card h3 {
  margin-bottom: 0.75rem;
}

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

.card {
  padding: 1.5rem;
}

.card--with-img {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card__body {
  padding: 1.5rem;
}

.project-spotlight__img {
  width: 100%;
  border-radius: var(--radius);
  margin: 1.25rem 0;
  max-height: 340px;
  object-fit: cover;
}

.card p,
.split-grid p,
.footer__copy,
.contact-note,
.list,
.page-hero p {
  color: var(--text-soft);
}

.feature-panel {
  padding: 2rem;
}

.list {
  padding-left: 1.25rem;
  margin-bottom: 0;
}

.process-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

@media (max-width: 1100px) and (min-width: 921px) {
  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.process-card__index {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--accent-dark);
  font-weight: 700;
}

.project-spotlight {
  grid-template-columns: 1.1fr 1fr;
  align-items: start;
}

.project-spotlight__grid {
  display: grid;
  gap: 1rem;
}

.page-hero {
  padding-bottom: 2rem;
}

.page-hero--tight {
  padding-bottom: 0;
}

.contact-layout {
  grid-template-columns: 1.1fr 0.9fr;
}

.contact-panel {
  padding: 2rem;
}

.contact-details {
  padding: 2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-top: 1.25rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-row label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
}

.form-row input,
.form-row textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row textarea {
  resize: vertical;
}

[data-theme="dark"] .form-row input,
[data-theme="dark"] .form-row textarea {
  background: rgba(26, 42, 31, 0.6);
  border-color: var(--border);
  color: var(--text);
}

.detail-block + .detail-block {
  margin-top: 1.5rem;
}

.detail-block strong,
.footer__eyebrow {
  display: block;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  color: var(--accent-dark);
}

.site-footer {
  padding: 2rem 0 3rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(214, 220, 207, 0.8);
}

.ba-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
}

.ba-slider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.ba-slider__after {
  position: absolute;
  inset: 0;
}

.ba-slider__before {
  position: absolute;
  inset: 0;
  width: 50%;
  overflow: hidden;
  z-index: 1;
}

.ba-slider__before img {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--ba-full-width, 100vw);
  max-width: none;
  height: 100%;
}

.ba-slider__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateX(-50%);
  pointer-events: none;
}

.ba-slider__line {
  flex: 1;
  width: 3px;
  background: #fff;
  box-shadow: 0 0 6px rgba(0,0,0,0.35);
}

.ba-slider__grip {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-shrink: 0;
}

.ba-slider__grip span {
  display: block;
  width: 0;
  height: 0;
}

.ba-slider__grip span:first-child {
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-right: 7px solid var(--accent);
}

.ba-slider__grip span:last-child {
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 7px solid var(--accent);
}

.ba-slider__label {
  position: absolute;
  bottom: 1rem;
  z-index: 3;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  pointer-events: none;
}

.ba-slider__label--before {
  left: 1rem;
  background: rgba(0,0,0,0.55);
  color: #fff;
}

.ba-slider__label--after {
  right: 1rem;
  background: rgba(47, 107, 67, 0.85);
  color: #fff;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.theme-toggle__track {
  display: block;
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: var(--border);
  position: relative;
  transition: background 0.25s;
}

.theme-toggle__thumb {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  top: 3px;
  left: 3px;
  transition: transform 0.25s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

[data-theme="dark"] .theme-toggle__track {
  background: var(--accent);
}

[data-theme="dark"] .theme-toggle__thumb {
  transform: translateX(18px);
  background: #0f1a14;
}

[data-theme="dark"] {
  --bg: #0f1a14;
  --surface: #1a2a1f;
  --surface-strong: #0d150f;
  --surface-accent: #1e3328;
  --text: #e4ece6;
  --text-soft: #9baa9e;
  --border: #2a3d30;
  --accent: #4caf60;
  --accent-dark: #6bcf80;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at top, rgba(76, 175, 96, 0.1), transparent 28%),
    linear-gradient(180deg, #0f1a14 0%, #121f17 100%);
}

[data-theme="dark"] .site-header {
  background: rgba(15, 26, 20, 0.92);
  border-bottom-color: rgba(42, 61, 48, 0.6);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .site-nav__link:hover {
  background: rgba(76, 175, 96, 0.1);
}

[data-theme="dark"] .panel,
[data-theme="dark"] .card,
[data-theme="dark"] .feature-panel {
  background: rgba(26, 42, 31, 0.85);
  border-color: rgba(42, 61, 48, 0.9);
}

[data-theme="dark"] .stat-card {
  background: rgba(26, 42, 31, 0.6);
  border-color: var(--border);
}

[data-theme="dark"] .button {
  background: var(--accent);
  color: #0f1a14;
}

[data-theme="dark"] .button:hover {
  background: var(--accent-dark);
}

[data-theme="dark"] .button--secondary {
  background: transparent;
  color: var(--accent-dark);
  border-color: rgba(76, 175, 96, 0.3);
}

[data-theme="dark"] .site-nav__link.is-current,
[data-theme="dark"] .site-nav__link:hover,
[data-theme="dark"] .footer__link:hover {
  color: var(--accent-dark);
}

[data-theme="dark"] .site-nav__toggle {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

[data-theme="dark"] .footer {
  border-top-color: rgba(42, 61, 48, 0.8);
}


@media (max-width: 920px) {
  .hero__grid,
  .split-grid,
  .project-spotlight,
  .contact-layout,
  .cards-grid,
  .process-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .footer {
    flex-direction: column;
    align-items: start;
  }

  .site-nav__toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    box-shadow: var(--shadow);
  }

  .site-nav__link {
    padding: 0.65rem 0.75rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-header__right .button--small {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero,
  .section,
  .page-hero {
    padding: 4rem 0;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 2.5rem;
  }

  .hero-visual {
    min-height: 320px;
  }

  .panel,
  .card,
  .feature-panel,
  .contact-panel,
  .contact-details {
    padding: 1.35rem;
  }
}