/* ---------- A11y ---------- */
.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;
}

/* ---------- Tokens ---------- */
:root {
  --green-900: #3a4a14;   /* deep olive for CTA gradient */
  --green-700: #c2df6b;   /* links / accents (slightly lighter for legibility) */
  --green-600: #bada55;   /* primary lime */
  --green-500: #cbe879;   /* hover / brightest */
  --green-100: #222b10;   /* dark lime-tinted surface */
  --green-50:  #161c0a;   /* darkest tinted surface */
  --mint:      #e0f0a8;

  --ink:    #f3f7f4;      /* headings / strong text */
  --body:   #c4d2cb;      /* body text */
  --muted:  #8b9d92;      /* secondary text */
  --line:   #1d2722;      /* borders */
  --bg:     #000000;      /* page background */
  --bg-alt: #0a0f0c;      /* alternating sections */
  --surface:#0d130f;      /* cards */

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.8);
  --shadow-sm: 0 8px 20px -12px rgba(0, 0, 0, 0.85);
  --maxw: 1120px;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { color: var(--ink); line-height: 1.15; letter-spacing: -0.02em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--green-600);
  color: #04130c;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 999px;
  border: 2px solid var(--green-600);
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--green-500); border-color: var(--green-500); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn-lg { padding: 15px 26px; font-size: 1.05rem; flex-direction: column; gap: 0; line-height: 1.25; }
.btn-lg.btn-ghost .btn-detail,
.btn-lg .btn-detail { font-weight: 600; opacity: .85; font-size: .85em; }
.btn-ghost {
  background: transparent;
  color: var(--green-700);
  border-color: var(--green-100);
}
.btn-ghost:hover { background: var(--green-50); border-color: var(--green-500); color: var(--green-700); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0,0,0,.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
}
.brand { display: inline-flex; align-items: center; }
.brand-logo {
  height: 80px;
  width: auto;
  display: block;
  mix-blend-mode: screen;  /* drops the logo's black backing on dark UI */
}

.nav { display: flex; align-items: center; gap: 20px; }
.nav > a:not(.btn) { font-weight: 600; color: var(--body); font-size: .95rem; transition: color .15s; }
.nav > a:not(.btn):hover { color: var(--green-600); }

.lang-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 700;
  font-size: .82rem;
  cursor: pointer;
  color: var(--green-700);
  font-family: var(--font);
  transition: border-color .15s, background .15s;
}
.lang-toggle:hover { border-color: var(--green-500); background: var(--green-50); }

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.menu-btn span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(800px 420px at 80% -10%, rgba(186, 218, 85, 0.20), transparent 60%),
    radial-gradient(600px 300px at 0% 10%, rgba(186, 218, 85, 0.09), transparent 60%),
    #000;
  padding: clamp(28px, 4vw, 52px) 0 clamp(48px, 8vw, 88px);
}
.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}
.hero-logo {
  width: clamp(190px, 26vw, 300px);
  height: auto;
  margin: 0 auto;
  mix-blend-mode: screen;  /* drops the logo's black backing over the hero glow */
}
.hero-slogan { width: 100%; margin: 0; }
.hero-slogan img {
  width: 100%;
  max-width: 760px;
  height: auto;
  margin: 0 auto;
  mix-blend-mode: screen;  /* drops the slogan's black backing over the hero glow */
}
.hero-services {
  color: var(--green-700);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .03em;
  max-width: 52ch;
  margin: 0 auto;
}
.eyebrow {
  display: inline-block;
  color: var(--green-700);
  background: var(--green-100);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  margin: 18px 0 16px;
}
.lead { font-size: 1.18rem; color: var(--body); max-width: 58ch; margin: 0 auto; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin: 12px 0 8px; }
.hero-points { list-style: none; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; }
.hero-points li { position: relative; padding-left: 26px; font-weight: 600; color: var(--ink); font-size: .95rem; }
.hero-points li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: #04130c; background: var(--green-500);
  width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: .72rem; font-weight: 900; line-height: 1;
}

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 8vw, 92px) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin: 14px 0 12px; }
.section-sub { color: var(--muted); font-size: 1.08rem; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--green-600); }
.card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.card p { color: var(--muted); }

.service-extra {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 30px;
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(186, 218, 85, 0.10), transparent 70%),
    var(--surface);
}
.service-extra h3 { font-size: 1.25rem; margin-bottom: 6px; }
.service-extra p { color: var(--muted); max-width: 60ch; }
.service-extra .btn { flex: none; }

/* ---------- Steps ---------- */
.steps {
  list-style: none; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  counter-reset: step;
}
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  position: relative;
}
.step-num {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--green-600); color: #04130c;
  font-weight: 800; font-size: 1.2rem;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step p { color: var(--muted); }

/* ---------- Our work / Before & after ---------- */
.work-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.work-head { margin-bottom: 22px; }
.work-head h3 { font-size: 1.35rem; margin-bottom: 8px; }
.work-head p { color: var(--muted); max-width: 70ch; }
.work-pairs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.work-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  border-radius: var(--radius-sm);
}
.work-photo {
  position: relative;
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line);
  cursor: zoom-in;
}
.work-photo img { transition: transform .3s ease; }
.work-photo:hover img,
.work-photo:focus-visible img { transform: scale(1.04); }
.work-photo:focus-visible { outline: 2px solid var(--green-600); outline-offset: 2px; }
.work-photo img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
}
.work-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.work-tag.is-before { background: rgba(0,0,0,.62); color: #fff; }
.work-tag.is-after { background: var(--green-600); color: #04130c; }

@media (max-width: 720px) {
  .work-pairs { grid-template-columns: 1fr; }
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, .93);
  backdrop-filter: blur(6px);
}
.lightbox[hidden] { display: none; }
.lb-figure {
  position: relative;
  margin: 0;
  display: flex;
  z-index: 1;
}
.lb-figure img {
  max-width: min(82vw, 860px);
  max-height: 86vh;
  width: auto;
  height: auto;
  border-radius: 12px;
  display: block;
}
.lb-figure .work-tag { top: 14px; left: 14px; font-size: .8rem; padding: 6px 13px; }
.lb-btn {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  color: #fff;
  background: rgba(0, 0, 0, .55);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  font-family: var(--font);
  line-height: 1;
  transition: background .15s, transform .15s, border-color .15s;
}
.lb-btn:hover { background: var(--green-600); color: #04130c; border-color: var(--green-600); }
.lb-close {
  top: 18px; right: 18px;
  width: 46px; height: 46px;
  font-size: 1.8rem;
  padding-bottom: 3px; /* optical centering of the × glyph */
}
.lb-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 56px; height: 56px;
  font-size: 2.2rem;
}
.lb-nav:hover { transform: translateY(-50%) scale(1.06); }
.lb-prev { left: 18px; }
.lb-next { right: 18px; }

@media (max-width: 600px) {
  .lightbox { padding: 10px; }
  .lb-figure img { max-width: calc(100vw - 96px); max-height: 80vh; }
  .lb-nav { width: 42px; height: 42px; font-size: 1.7rem; }
  .lb-prev { left: 6px; }
  .lb-next { right: 6px; }
  .lb-close { top: 10px; right: 10px; }
}

/* ---------- About ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 48px;
  align-items: center;
}
.about-copy h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin: 14px 0 16px; }
.about-copy p { margin-bottom: 14px; font-size: 1.06rem; }
.stats { list-style: none; padding: 0; display: grid; gap: 14px; }
.stats li {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex; flex-direction: column;
}
.stats strong { color: var(--green-700); font-size: 1.2rem; }
.stats span { color: var(--muted); font-size: .92rem; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, #313f12, #0c0f04);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 32px;
}
.cta h2 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.cta-copy p { color: rgba(255,255,255,.82); font-size: 1.1rem; max-width: 42ch; margin-top: 10px; }
.contact-person { font-size: 1rem; margin-top: 14px; }
.contact-person strong { color: var(--mint); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.cta .btn { background: #fff; color: #04130c; border-color: #fff; }
.cta .btn:hover { background: var(--mint); border-color: var(--mint); }
.cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.cta .btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--line); color: rgba(255,255,255,.7); padding: 40px 0; }
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 24px;
  align-items: center; justify-content: space-between;
}
.footer-brand { display: flex; flex-direction: column; }
.footer-brand strong { color: #fff; font-size: 1.1rem; }
.footer-contact { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-contact a:hover { color: var(--mint); }
.footer-social { display: flex; gap: 12px; }
.social-link {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  transition: background .15s, color .15s, border-color .15s, transform .15s;
}
.social-link:hover {
  background: var(--green-600);
  color: #04130c;
  border-color: var(--green-600);
  transform: translateY(-2px);
}
.footer-legal { font-size: .9rem; opacity: .7; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .menu-btn { display: flex; }
  .nav {
    position: absolute;
    top: 84px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: #0a0f0c;
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 22px;
    box-shadow: var(--shadow);
    transform: translateY(-130%);
    transition: transform .28s ease;
  }
  .nav.open { transform: translateY(0); }
  .nav > a:not(.btn) { padding: 10px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 8px; }
  .lang-toggle { align-self: flex-start; margin-top: 8px; }

  .header-inner { height: 84px; }
  .brand-logo { height: 60px; }

  .cards, .steps { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
}

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