/* ── Variables ──────────────────────────────────── */
:root {
  --lime:        #c7d30a;
  --black:       #1d1d1b;
  --white:       #ffffff;
  --gray-bg:     #f5f5f0;
  --gray-light:  #e8e8e4;
  --gray-text:   #666666;
  --gray-muted:  #aaaaaa;
  --gray-subtle:  #fafafa;
  --gray-border:  #cccccc;
  --footer-link:  #888888;
  --footer-copy:  #555555;
  --font:        'Helvetica Neue', Arial, Helvetica, sans-serif;
  --radius:      4px;
  --section-pad: 80px 0;
  --container:   1100px;
}

/* ── Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  { font-family: var(--font); color: var(--black); background: var(--white); line-height: 1.6; }
img   { max-width: 100%; display: block; }
a     { color: inherit; text-decoration: none; }

/* ── Skip link ──────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--lime);
  color: var(--black);
  padding: 8px 16px;
  font-weight: 700;
  z-index: 999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ── Container ──────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Shared section elements ────────────────────── */
.section-label {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--lime);
  font-weight: 700;
  margin-bottom: 10px;
}
.section-title {
  font-size: 36px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 32px;
}

/* ── Navbar ─────────────────────────────────────── */
#navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 3px solid var(--lime);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.nav-logo {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 64px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--black);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--lime); }

.lang-toggle {
  background: var(--black);
  color: var(--lime);
  border: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  transition: opacity 0.2s;
}
.lang-toggle:hover { opacity: 0.8; }

/* Hamburger hidden on desktop */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--black);
}

/* ── Hero ───────────────────────────────────────── */
#hero {
  background: var(--white);
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--gray-light);
}
.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-title em {
  color: var(--lime);
  font-style: normal;
}
.hero-sub {
  font-size: 16px;
  color: var(--gray-text);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  background: var(--lime);
  color: var(--black);
  font-weight: 800;
  font-size: 13px;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--black);
  font-weight: 800;
  font-size: 13px;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 1.5px solid var(--black);
  transition: background 0.2s, color 0.2s;
}
.btn-secondary:hover { background: var(--black); color: var(--white); }

/* ── About ──────────────────────────────────────── */
#about {
  background: var(--gray-bg);
  padding: var(--section-pad);
  border-bottom: 1px solid var(--gray-light);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 60px;
  align-items: start;
}
.about-title {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 32px;
}
.about-stats {
  display: flex;
  gap: 36px;
}
.stat-num {
  font-size: 42px;
  font-weight: 900;
  color: var(--lime);
  line-height: 1;
}
.stat-desc {
  font-size: 11px;
  color: var(--gray-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}
.about-right p {
  font-size: 15px;
  color: var(--gray-text);
  line-height: 1.8;
}

/* ── Products ───────────────────────────────────── */
#products {
  background: var(--white);
  padding: var(--section-pad);
  border-bottom: 1px solid var(--gray-light);
}
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.product-card {
  border: 1px solid var(--gray-light);
  border-radius: 6px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.product-card.active { border-top: 3px solid var(--lime); }

.product-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--lime);
  color: var(--black);
  width: fit-content;
}
.product-name {
  font-size: 28px;
  font-weight: 900;
}
.product-target {
  font-size: 11px;
  color: var(--gray-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.product-text {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.7;
  flex: 1;
}
.product-cta {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  border-bottom: 2px solid var(--lime);
  padding-bottom: 2px;
  width: fit-content;
  transition: opacity 0.2s;
  margin-top: 8px;
}
.product-cta:hover { opacity: 0.7; }

/* ── Vision ─────────────────────────────────────── */
#vision {
  background: var(--gray-bg);
  padding: var(--section-pad);
  border-bottom: 1px solid var(--gray-light);
}
.vision-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.vision-inner .section-title { max-width: 560px; }

.vision-sub {
  font-size: 15px;
  color: var(--gray-text);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* Orbit container */
.orbit {
  position: relative;
  width: 300px;
  height: 300px;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
}
.orbit-ring.outer {
  inset: 0;
  border: 2px dashed var(--lime);
  opacity: 0.4;
}
.orbit-ring.inner {
  inset: 44px;
  border: 1.5px dashed var(--black);
  opacity: 0.1;
}
.orbit-core {
  position: absolute;
  inset: 100px;
  border-radius: 50%;
  background: var(--black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.orbit-core-icon {
  color: var(--lime);
  font-size: 20px;
  line-height: 1;
}
.orbit-core-label {
  color: var(--white);
  font-size: 9px;
  font-weight: 700;
  text-align: center;
  line-height: 1.3;
  margin-top: 4px;
}

/* Satellite nodes */
.orbit-node {
  position: absolute;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  font-weight: 800;
  text-align: center;
  line-height: 1.2;
}
.orbit-node.active {
  width: 60px;
  height: 60px;
  background: var(--lime);
  color: var(--black);
}
.orbit-node.future {
  width: 40px;
  height: 40px;
  background: var(--gray-light);
  color: var(--gray-muted);
  border: 2px dashed var(--gray-border);
  font-size: 18px;
  font-weight: 400;
}

/*
  Container 300×300, center (150,150), R=120.
  top:    cy=30,  left=120px, top=0px
  bottom: cy=270, left=120px, top=240px
  right:  cx=270, left=250px, top=130px
  left:   cx=30,  left=10px,  top=130px
  tr (45°):  cx=235,cy=65,  left=215px, top=45px
  bl (225°): cx=65, cy=235, left=45px,  top=215px
*/
.orbit-node.top    { top:   0px; left: 120px; }
.orbit-node.bottom { top: 240px; left: 120px; }
.orbit-node.right  { top: 130px; left: 250px; }
.orbit-node.left   { top: 130px; left:  10px; }
.orbit-node.tr     { top:  45px; left: 215px; }
.orbit-node.bl     { top: 215px; left:  45px; }

.orbit-caption {
  font-size: 12px;
  color: var(--gray-muted);
  margin-top: 32px;
  font-style: italic;
}

/* ── Values ─────────────────────────────────────── */
#values {
  background: var(--white);
  padding: var(--section-pad);
  border-bottom: 1px solid var(--gray-light);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  padding: 28px 24px;
  background: var(--gray-bg);
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.value-icon {
  font-size: 24px;
  color: var(--lime);
  margin-bottom: 12px;
}
.value-title {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 10px;
}
.value-text {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.65;
}

/* ── Footer ─────────────────────────────────────── */
#footer {
  background: var(--black);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
}
.footer-logo .logo-img {
  height: 48px;
  width: auto;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a {
  color: var(--footer-link);
  font-size: 13px;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--lime); }
.footer-copy { color: var(--footer-copy); font-size: 12px; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
  :root { --section-pad: 56px 0; }

  /* Navbar */
  #navbar { position: sticky; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 2px solid var(--lime);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 32px 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 10px 0;
    width: 100%;
    border-bottom: 1px solid var(--gray-light);
  }
  .lang-toggle { margin-top: 12px; }

  /* Hero */
  .hero-title { font-size: 38px; }

  /* About: stack to single column */
  .about-grid { grid-template-columns: 1fr; gap: 32px; }

  /* Products: stack cards */
  .products-grid { grid-template-columns: 1fr; }

  /* Values: stack cards */
  .values-grid { grid-template-columns: 1fr; }

  /* Orbit: scale to 240×240 */
  .orbit { width: 240px; height: 240px; }
  .orbit-core { inset: 80px; }
  .orbit-node.active { width: 48px; height: 48px; }
  .orbit-node.future { width: 32px; height: 32px; font-size: 14px; }

  /*
    Mobile orbit (240×240, center 120,120, R=96):
    Active nodes (48px, half=24): top→(0,96), bottom→(192,96)
    Future nodes (32px, half=16): right→(104,208), left→(104,0), tr→(10,168), bl→(162,10)
  */
  .orbit-node.top    { top:   0px; left:  96px; }
  .orbit-node.bottom { top: 192px; left:  96px; }
  .orbit-node.right  { top: 104px; left: 208px; }
  .orbit-node.left   { top: 104px; left:   0px; }
  .orbit-node.tr     { top:  10px; left: 168px; }
  .orbit-node.bl     { top: 162px; left:  10px; }

  /* Footer: stack vertically */
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
}