/* =====================================================
   POLYGEN PLASTIK — Layout (Header + Footer)
   ===================================================== */

/* ---- Header ---- */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  transition: all 0.3s; padding: 0.6rem 0;
}
.header--scrolled {
  background: rgba(255,255,255,0.97); backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08); padding: 0.35rem 0;
}
.header__container { display: flex; align-items: center; max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; gap: 1.2rem; }
.header__logo { display: flex; align-items: center; gap: 8px; text-decoration: none; flex-shrink: 0; }
.header__logo img { height: 56px; width: auto; border-radius: 4px; }
.header--scrolled .header__logo img { height: 46px; }
.header__logo-text { max-width: 100px; }
.header__logo-name { display: none; }
.header__logo-tagline { font-size: 0.48rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1px; line-height: 1.5; display: block; font-weight: 600; }
.header--scrolled .header__logo-tagline { color: #888; }
.header__nav { display: flex; align-items: center; gap: 2px; flex: 1; justify-content: center; overflow: hidden; }
.header__nav-link {
  color: rgba(255,255,255,0.85); font-size: 0.78rem; font-weight: 500;
  position: relative; padding: 6px 8px; white-space: nowrap; border-radius: 4px;
  text-decoration: none; transition: color 0.2s;
}
.header__nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 2px;
  background: #16a34a; transition: all 0.3s; transform: translateX(-50%);
}
.header__nav-link:hover::after, .header__nav-link.active::after { width: 60%; }
.header__nav-link:hover { color: #fff; }
.header--scrolled .header__nav-link { color: #444; }
.header--scrolled .header__nav-link:hover { color: #16a34a; }
.header__actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header__cta {
  padding: 8px 16px; background: #16a34a; color: #fff;
  border-radius: 6px; font-weight: 600; font-size: 0.8rem;
  text-decoration: none; white-space: nowrap; transition: all 0.2s;
}
.header__cta:hover { background: #15803d; transform: translateY(-1px); box-shadow: 0 4px 15px rgba(22,163,74,0.3); }

/* Nav icons — hidden at full width, shown as icon-only below 1200px */
.nav-icon { display: none; font-size: 1rem; line-height: 1; }

/* ---- Hamburger ---- */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; cursor: pointer; background: none; border: none; z-index: 1001; }
.hamburger__line { width: 24px; height: 2px; background: white; transition: all var(--transition-fast); border-radius: 2px; }
.header--scrolled .hamburger__line { background: var(--color-primary); }
.hamburger--active .hamburger__line:nth-child(1) { transform: rotate(45deg) translateY(7px); }
.hamburger--active .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger--active .hamburger__line:nth-child(3) { transform: rotate(-45deg) translateY(-7px); }

/* ---- Mobile Menu ---- */
.mobile-menu {
  position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
  background: var(--color-primary); transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); z-index: 999;
  padding: calc(var(--header-height) + 2rem) var(--container-padding) 2rem;
  display: flex; flex-direction: column; gap: 0;
}
.mobile-menu--open { transform: translateX(0); }
.mobile-menu__link {
  color: white; font-size: var(--text-xl); font-weight: var(--fw-medium);
  padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,0.1);
  display: block; text-decoration: none;
}
.mobile-menu__lang { display: flex; gap: 0.5rem; margin-top: var(--space-8); flex-wrap: wrap; }
.mobile-menu__lang-btn {
  padding: 0.5rem 1rem; border-radius: var(--radius-full); font-size: var(--text-sm);
  font-weight: var(--fw-medium); border: 1px solid rgba(255,255,255,0.2);
  background: transparent; color: rgba(255,255,255,0.7); cursor: pointer;
  transition: all var(--transition-fast);
}
.mobile-menu__lang-btn.active { background: var(--color-accent-green); color: white; border-color: var(--color-accent-green); }

@media (max-width: 1200px) {
  .header__nav-link .nav-text { display: none; }
  .header__nav-link .nav-icon { display: inline; }
  .header__nav-link { font-size: 1.15rem; padding: 0.5rem 0.6rem; }
}
@media (max-width: 1024px) {
  .header__nav, .header__actions .lang-dropdown { display: none; }
  .hamburger { display: flex; }
}
@media (min-width: 1025px) {
  .mobile-menu { display: none !important; }
}

/* ---- Footer ---- */
.footer { background: var(--color-primary); color: white; padding-top: var(--space-20); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: var(--space-10); }
.footer__col-title {
  font-size: var(--text-lg); font-weight: var(--fw-bold); margin-bottom: var(--space-6);
  position: relative; padding-bottom: var(--space-3);
}
.footer__col-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--color-accent-green); }
.footer__desc { color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: var(--space-4); font-size: var(--text-sm); }
.footer__links li { margin-bottom: var(--space-3); }
.footer__links a { color: rgba(255,255,255,0.65); font-size: var(--text-sm); transition: all var(--transition-fast); display: inline-flex; align-items: center; gap: 0.5rem; }
.footer__links a:hover { color: var(--color-accent-green); transform: translateX(3px); }
.footer__links a::before { content: '→'; font-size: var(--text-xs); opacity: 0; transition: opacity var(--transition-fast); }
.footer__links a:hover::before { opacity: 1; }
.footer__contact-item { display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-4); color: rgba(255,255,255,0.65); font-size: var(--text-sm); }
.footer__contact-icon { color: var(--color-accent-green); flex-shrink: 0; margin-top: 2px; }
.footer__certs { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-6); }
.footer__cert-item { padding: 0.25rem 0.75rem; border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-full); font-size: 0.65rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08); margin-top: var(--space-12);
  padding: var(--space-6) 0; display: flex; justify-content: space-between; align-items: center;
  color: rgba(255,255,255,0.4); font-size: var(--text-sm);
}
.footer__merse { color: rgba(255,255,255,0.3); font-size: var(--text-xs); }

@media (max-width: 1024px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
}

/* ---- Page Hero (Inner Pages) ---- */
.page-hero { background: var(--color-primary); padding: calc(var(--header-height) + 4rem) 0 4rem; text-align: center; }
.page-hero__title { color: white; margin-bottom: var(--space-3); }
.page-hero__desc { color: rgba(255,255,255,0.7); font-size: var(--text-lg); max-width: 600px; margin: 0 auto; }
.page-hero__breadcrumb { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin-top: var(--space-4); }
.page-hero__breadcrumb a { color: rgba(255,255,255,0.5); font-size: var(--text-sm); }
.page-hero__breadcrumb a:hover { color: var(--color-accent-green); }
.page-hero__breadcrumb span { color: var(--color-accent-green); font-size: var(--text-sm); }