/* ============================================================
   XENCORE GLOBAL AG — Shared Stylesheet
   Stack: Static HTML · Cloudflare Pages · GitHub
   Fonts: Syne (headings) · DM Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Brand colours */
  --xc-orange:      #E8652A;
  --xc-orange-dark: #C4501E;
  --xc-orange-dim:  rgba(232,101,42,0.10);
  --xc-orange-bdr:  rgba(232,101,42,0.25);

  /* Reforestation green — used only for the reforestation section */
  --xc-green:       #2A7A47;
  --xc-green-light: #3D9A5E;
  --xc-green-dim:   rgba(42,122,71,0.10);
  --xc-green-bdr:   rgba(42,122,71,0.25);

  /* Surfaces */
  --bg:      #060606;
  --surf-1:  #0f0f0f;
  --surf-2:  #161616;
  --surf-3:  #1f1f1f;

  /* Borders */
  --bdr-1:   #1a1a1a;
  --bdr-2:   #252525;
  --bdr-3:   #333333;

  /* Text */
  --tx-primary:   #F2F0EC;
  --tx-secondary: #7A7875;
  --tx-muted:     #454340;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Radius */
  --r-sm:  4px;
  --r-md:  8px;
  --r-lg:  14px;
  --r-xl:  20px;

  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--tx-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img   { display: block; max-width: 100%; }
a     { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }

/* ============================================================
   UTILITIES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}
.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tx-muted);
}
.eyebrow--orange { color: var(--xc-orange); }
.eyebrow--green  { color: var(--xc-green-light); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--xc-orange);
  color: #fff;
}
.btn--primary:hover { background: var(--xc-orange-dark); }

.btn--ghost {
  background: transparent;
  border: 1px solid var(--bdr-3);
  color: var(--tx-secondary);
}
.btn--ghost:hover { border-color: var(--tx-secondary); color: var(--tx-primary); }

.btn--outline-green {
  background: transparent;
  border: 1px solid var(--xc-green-bdr);
  color: var(--xc-green-light);
}
.btn--outline-green:hover { background: var(--xc-green-dim); }

.btn svg {
  width: 16px; height: 16px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.xc-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6,6,6,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bdr-1);
}
.xc-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 32px;
  max-width: 1160px;
  margin: 0 auto;
}

/* Logo */
.xc-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.xc-nav__logo-mark {
  width: 32px; height: 32px;
  background: var(--xc-orange);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.xc-nav__logo-mark svg {
  width: 16px; height: 16px;
  fill: #fff;
}
.xc-nav__logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.xc-nav__logo-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--tx-primary);
  letter-spacing: 0.02em;
}
.xc-nav__logo-sub {
  font-size: 10px;
  color: var(--tx-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Nav links */
.xc-nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.xc-nav__link {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--tx-secondary);
  border-radius: var(--r-md);
  transition: color 0.15s, background 0.15s;
}
.xc-nav__link:hover { color: var(--tx-primary); background: var(--surf-2); }
.xc-nav__link.is-active { color: var(--tx-primary); }

/* Mobile nav toggle */
.xc-nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--bdr-2);
  border-radius: var(--r-md);
  padding: 6px 10px;
  color: var(--tx-secondary);
  cursor: pointer;
}

/* ============================================================
   FOOTER
   ============================================================ */
.xc-footer {
  border-top: 1px solid var(--bdr-1);
  padding: 48px 0 32px;
  margin-top: 80px;
}
.xc-footer__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.xc-footer__brand-desc {
  font-size: 13px;
  color: var(--tx-muted);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}
.xc-footer__address {
  font-size: 12px;
  color: var(--tx-muted);
  line-height: 1.8;
  margin-top: 14px;
  font-style: normal;
}
.xc-footer__col-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--tx-muted);
  margin-bottom: 14px;
}
.xc-footer__col-links { display: flex; flex-direction: column; gap: 8px; }
.xc-footer__col-links a {
  font-size: 13px;
  color: var(--tx-secondary);
  transition: color 0.15s;
}
.xc-footer__col-links a:hover { color: var(--tx-primary); }

.xc-footer__bottom {
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px 32px 0;
  border-top: 1px solid var(--bdr-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.xc-footer__copy {
  font-size: 12px;
  color: var(--tx-muted);
}
.xc-footer__legal {
  display: flex;
  gap: 20px;
}
.xc-footer__legal a {
  font-size: 12px;
  color: var(--tx-muted);
  transition: color 0.15s;
}
.xc-footer__legal a:hover { color: var(--tx-secondary); }

/* ============================================================
   PRODUCT CARDS — used on home and services pages
   ============================================================ */
.xc-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bdr-1);
  border: 1px solid var(--bdr-1);
  border-radius: var(--r-xl);
  overflow: hidden;
}
.xc-product-card {
  background: var(--surf-1);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: background 0.2s;
}
.xc-product-card:hover { background: var(--surf-2); }

.xc-product-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.xc-product-card__icon--orange { background: var(--xc-orange-dim); }
.xc-product-card__icon--green  { background: var(--xc-green-dim);  }
.xc-product-card__icon--steel  { background: var(--surf-3);         }
.xc-product-card__icon svg {
  width: 22px; height: 22px;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.xc-product-card__icon--orange svg { stroke: var(--xc-orange); }
.xc-product-card__icon--green  svg { stroke: var(--xc-green-light); }
.xc-product-card__icon--steel  svg { stroke: var(--tx-secondary); }

.xc-product-card__tag {
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 8px;
}
.xc-product-card__tag--orange { color: var(--xc-orange); }
.xc-product-card__tag--green  { color: var(--xc-green-light); }
.xc-product-card__tag--steel  { color: var(--tx-muted); }

.xc-product-card__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--tx-primary);
  margin-bottom: 12px;
  line-height: 1.2;
}
.xc-product-card__desc {
  font-size: 14px;
  color: var(--tx-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 24px;
}
.xc-product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: gap 0.15s;
}
.xc-product-card__link--orange { color: var(--xc-orange); }
.xc-product-card__link--green  { color: var(--xc-green-light); }
.xc-product-card__link--steel  { color: var(--tx-secondary); }
.xc-product-card__link:hover   { gap: 10px; }
.xc-product-card__link svg {
  width: 14px; height: 14px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ============================================================
   CREDENTIAL STRIP
   ============================================================ */
.xc-creds {
  border-top: 1px solid var(--bdr-1);
  border-bottom: 1px solid var(--bdr-1);
  padding: 20px 0;
}
.xc-creds__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.xc-cred {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--tx-muted);
}
.xc-cred svg {
  width: 16px; height: 16px;
  stroke: var(--xc-orange);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */
.xc-section {
  padding: 96px 0;
}
.xc-section-head {
  margin-bottom: 56px;
}
.xc-section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--tx-primary);
  line-height: 1.15;
  margin-top: 10px;
}
.xc-section-sub {
  font-size: 16px;
  color: var(--tx-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin-top: 14px;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.xc-divider {
  width: 100%;
  height: 1px;
  background: var(--bdr-1);
}

/* ============================================================
   FORM (contact page)
   ============================================================ */
.xc-form { display: flex; flex-direction: column; gap: 18px; }
.xc-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.xc-field { display: flex; flex-direction: column; gap: 6px; }
.xc-field label {
  font-size: 12px;
  color: var(--tx-secondary);
  letter-spacing: 0.04em;
}
.xc-field input,
.xc-field select,
.xc-field textarea {
  padding: 12px 14px;
  background: var(--surf-2);
  border: 1px solid var(--bdr-2);
  border-radius: var(--r-md);
  color: var(--tx-primary);
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.15s;
}
.xc-field input:focus,
.xc-field select:focus,
.xc-field textarea:focus { border-color: var(--xc-orange); }
.xc-field input::placeholder,
.xc-field textarea::placeholder { color: var(--tx-muted); }
.xc-field select { appearance: none; cursor: pointer; }
.xc-field textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

/* ============================================================
   ANIMATION — fade up on load
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up {
  animation: fadeUp 0.6s ease both;
}
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.2s; }
.fade-up-3 { animation-delay: 0.35s; }
.fade-up-4 { animation-delay: 0.5s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .xc-nav__links { display: none; }
  .xc-nav__toggle { display: flex; }
  .xc-nav__links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--surf-1);
    border-bottom: 1px solid var(--bdr-1);
    padding: 16px 24px;
    gap: 4px;
    z-index: 99;
  }
  .xc-product-grid { grid-template-columns: 1fr; }
  .xc-footer__inner { grid-template-columns: 1fr 1fr; }
  .xc-creds__inner { gap: 16px; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .xc-nav__inner { padding: 0 20px; }
  .xc-section { padding: 64px 0; }
  .xc-form__row { grid-template-columns: 1fr; }
  .xc-footer__inner { grid-template-columns: 1fr; }
  .xc-footer__bottom { flex-direction: column; text-align: center; }
}