/* ---------- tokens ---------- */
:root {
  /* Light theme (default) */
  --bg-primary: #f5f5f3;
  --bg-secondary: #ffffff;
  --bg-alt: #e8edea;
  --text-primary: #0a0a0a;
  --text-secondary: #2c2c2c;
  --text-muted: #6b6b6b;
  --border-color: rgba(0, 0, 0, 0.12);
  --card-bg: rgba(0, 0, 0, 0.02);
  --card-border: rgba(0, 0, 0, 0.08);
  --header-bg: rgba(255, 255, 255, 0.92);
  --header-border: rgba(0, 0, 0, 0.08);
  --input-bg: #ffffff;
  --overlay-color: rgba(0,0,0,0.85); /*v4 darker, better text visiility*/
  /* --overlay-color: rgba(10, 10, 10, 0.6); */ /*v3*/

  /* Brand colors */
  --green-dark: #0d2b1d;
  --green: #1c4d33;
  --green-light: #3c7a56;
  --grey-dark: #b8bdba;
  --grey: #b8bdba;
  --grey-light: #b8bdba;

  --font-display: 'Archivo', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --radius: 2px;

  --theme-transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ---------- dark theme ---------- */
body.dark-theme {
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-alt: #0d2b1d;
  --text-primary: #f5f5f3;
  --text-secondary: #d0d0d0;
  --text-muted: #a0a0a0;
  --border-color: rgba(255, 255, 255, 0.12);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --header-bg: rgba(10, 10, 10, 0.92);
  --header-border: rgba(255, 255, 255, 0.08);
  --input-bg: #1a1a1a;
  --overlay-color: rgba(0, 0, 0, 0.75);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--theme-transition);
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
}
h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.15;
}
h3 {
  font-size: 1.3rem;
}

p {
  color: var(--text-secondary);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--green-light);
}

/* corner-bracket motif */
.bracket {
  position: relative;
}
.bracket::before,
.bracket::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--green-light);
  opacity: 0.9;
}
.bracket::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.bracket::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

/* seam divider */
.seam {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 64px 0;
  opacity: 0.5;
}
.seam::before,
.seam::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-color);
}
.seam-dot {
  width: 6px;
  height: 6px;
  background: var(--green-light);
  transform: rotate(45deg);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--theme-transition), transform 0.15s ease;
}
.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--green);
  color: var(--bg-primary);
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-light);
  border-color: var(--green-light);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-outline:hover {
  border-color: var(--text-primary);
  background: var(--card-bg);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--header-border);
  transition: var(--theme-transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo img {
  height: 40px;
  width: auto;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.1;
}
.logo-text span {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--green-light);
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  gap: 34px;
}
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--green-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  transition: var(--theme-transition);
}
.icon-btn:hover {
  border-color: var(--green-light);
  background: rgba(60, 122, 86, 0.12);
}
.icon-btn svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-primary);
}

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.theme-toggle:hover { border-color: var(--green-light); background: rgba(60,122,86,0.08); }
.theme-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }


.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--theme-transition);
}

/* ---------- hero (large, homepage) ---------- */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

/* Light mode overlay – soft and readable */
body:not(.dark-theme) .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.15) 55%, var(--bg-primary) 100%),
              linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.05) 60%);
}

/* Dark mode overlay – deep and moody */
body.dark-theme .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--overlay-color) 0%, rgba(10, 10, 10, 0.75) 55%, var(--bg-primary) 100%),
              linear-gradient(90deg, rgba(13, 43, 29, 0.55) 0%, rgba(10, 10, 10, 0.3) 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero-content p.lead {
  max-width: 560px;
  font-size: 1.08rem;
  margin: 22px 0 34px;
  color: var(--text-secondary);
}

/* ---------- page banner (secondary pages) ---------- */
.page-banner {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.page-banner .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--overlay-color) 0%, var(--bg-primary) 100%);
}
.page-banner .container {
  position: relative;
  z-index: 2;
  padding: 60px 24px;
}

/* ---------- sections ---------- */
section {
  padding: 96px 0;
  transition: var(--theme-transition);
}
.section-head {
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.bg-alt {
  background: var(--bg-alt);
}

/* ---------- service cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 36px 30px;
  transition: var(--theme-transition), transform 0.2s ease;
}
.card:hover {
  border-color: var(--green-light);
  transform: translateY(-4px);
}
.card .num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--green-light);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
  display: block;
}
.card h3 {
  margin-bottom: 12px;
}
.card p {
  margin-bottom: 18px;
}
.card a.link {
  color: var(--green-light);
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat {
  border-left: 2px solid var(--green-light);
  padding-left: 18px;
}
.stat .value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
}
.stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- image + text split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split img {
  border: 1px solid var(--border-color);
}
.split .content ul {
  margin-top: 20px;
}
.split .content li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.split .content li:last-child {
  border-bottom: none;
}
.split .content li .mark {
  color: var(--green-light);
  font-weight: 700;
}

/* ---------- services detail blocks ---------- */
.service-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 72px 0;
  border-bottom: 1px solid var(--border-color);
}
.service-block:last-child {
  border-bottom: none;
}
.service-block.reverse {
  direction: rtl;
}
.service-block.reverse > * {
  direction: ltr;
}
.service-block .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.service-block .tag-list span {
  font-size: 0.8rem;
  padding: 6px 14px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* ---------- process steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  position: relative;
  padding-top: 20px;
}
.step .step-index {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text-muted);
  -webkit-text-stroke: 1px var(--green-light);
  color: transparent;
}
.step h3 {
  margin: 10px 0 8px;
  font-size: 1.1rem;
}

/* ---------- gallery ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--theme-transition);
}
.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--green-light);
}
.filter-btn.active {
  background: var(--green);
  color: var(--bg-primary);
  border-color: var(--green);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.gallery-item img {
  transition: transform 0.4s ease;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.gallery-item:hover img {
  transform: scale(1.06);
}
.gallery-item .caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px;
  background: linear-gradient(180deg, transparent, var(--overlay-color));
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
}
.gallery-item .caption span {
  display: block;
  font-size: 0.72rem;
  color: var(--green-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.gallery-item.hidden {
  display: none;
}

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.contact-card {
  padding: 34px 28px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  text-align: left;
}
.contact-card .icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--green-light);
  margin-bottom: 20px;
}
.contact-card .icon-wrap svg {
  width: 22px;
  height: 22px;
  stroke: var(--green-light);
}
.contact-card h3 {
  margin-bottom: 8px;
}
.contact-card p {
  margin-bottom: 16px;
}

.map-wrap {
  border: 1px solid var(--border-color);
  overflow: hidden;
}
.map-wrap iframe {
  width: 100%;
  height: 420px;
  border: 0;
  filter: grayscale(0.4) invert(0.92) contrast(0.9);
}

.hours-list {
  margin-top: 24px;
}
.hours-list li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 72px 0;
}
.cta-banner .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-banner h2 {
  max-width: 480px;
}

/* ---------- footer ---------- */
.site-footer {
  padding: 64px 0 28px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-grid h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.footer-grid p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.footer-grid ul li {
  margin-bottom: 12px;
}
.footer-grid ul li a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.footer-grid ul li a:hover {
  color: var(--green-light);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-logo img {
  height: 34px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- whatsapp floating button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 200;
  width: 56px;
  height: 56px;
  background: var(--green);
  border: 1px solid var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, background 0.2s ease;
}
.whatsapp-float:hover {
  transform: translateY(-3px);
  background: var(--green-light);
}
.whatsapp-float svg {
  width: 26px;
  height: 26px;
  stroke: var(--bg-primary);
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .main-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .grid-3,
  .grid-2,
  .stats,
  .contact-grid,
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .split,
  .service-block,
  .service-block.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .main-nav.open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px 24px;
  }
  .main-nav.open ul {
    flex-direction: column;
    gap: 4px;
  }
  .main-nav.open a {
    display: block;
    padding: 12px 0;
  }
}

@media (max-width: 640px) {
  .grid-3,
  .grid-2,
  .stats,
  .contact-grid,
  .steps,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  section {
    padding: 64px 0;
  }
  .cta-banner .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* keyboard focus visibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--green-light);
  outline-offset: 3px;
}