/* ============================================
   BIOLID - Shared Styles
   Used across all pages.

   Layout: custom properties → reset → utilities →
   navigation → page-hero → footer → back-to-top →
   cookie-banner → responsive → blog → post-content → gallery-lightbox
   ============================================ */

/* --- Component Loader FOUC Prevention --- */
/* Prevents flash of unstyled content while components.js loads partials. */
[data-component="nav"]:empty { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(10,22,40,0.97); padding: 16px 0; min-height: 56px; }
[data-component="footer"]:empty { min-height: 200px; }
[data-component="cookie-banner"]:empty { display: none; }

/* --- Custom Properties --- */
:root {
  --color-dark: #0a1628;
  --color-dark-alt: #111d33;
  --color-navy: #1a2a44;
  --color-gold: #c8a35f;
  --color-gold-light: #d4b677;
  --color-white: #ffffff;
  --color-off-white: #f8f8f8;
  --color-gray: #8892a4;
  --color-light-gray: #e8ecf2;
  --color-text: #2c3e50;
  --color-text-light: #5a6a7e;
  --font-family: 'Raleway', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

/* --- Skip Link --- */
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--color-gold); color: var(--color-dark);
  padding: 8px 20px; font-weight: 700; font-size: 0.85rem;
  z-index: 10000; border-radius: 0 0 4px 4px; transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* --- Container --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* --- Utility --- */
.section-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--color-gold); margin-bottom: 12px; display: block;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700;
  color: var(--color-dark); line-height: 1.2; margin-bottom: 16px;
}
.section-title--light { color: var(--color-white); }
.section-divider { width: 60px; height: 3px; background: var(--color-gold); margin: 0 auto 24px; border: none; }
.section-divider--left { margin-left: 0; }
.section-subtitle { font-size: 1.05rem; color: var(--color-text-light); max-width: 680px; line-height: 1.8; }
.section-subtitle--centered { text-align: center; margin: 0 auto 40px; }

/* --- Scroll Reveal --- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1), transform 0.8s cubic-bezier(0.4,0,0.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Buttons --- */
.btn {
  display: inline-block; font-family: var(--font-family); font-size: 0.85rem;
  font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 14px 36px; border: 2px solid transparent; border-radius: 2px;
  cursor: pointer; transition: all var(--transition); position: relative; overflow: hidden;
}
.btn--primary { background: var(--color-gold); color: var(--color-dark); border-color: var(--color-gold); }
.btn--primary:hover { background: var(--color-gold-light); border-color: var(--color-gold-light); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(200,163,95,0.3); }
.btn--outline { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.btn--outline:hover { background: var(--color-white); color: var(--color-dark); transform: translateY(-2px); }
.btn--outline-dark { background: transparent; color: var(--color-dark); border-color: var(--color-dark); }
.btn--outline-dark:hover { background: var(--color-dark); color: var(--color-white); transform: translateY(-2px); }
.btn i { margin-right: 8px; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 20px 0; transition: all var(--transition); }
.nav--scrolled { background: rgba(10,22,40,0.97); padding: 12px 0; box-shadow: 0 4px 30px rgba(0,0,0,0.15); backdrop-filter: blur(10px); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; }
.nav__logo img { height: 40px; width: auto; transition: all var(--transition); }
.nav--scrolled .nav__logo img { height: 34px; }
.nav__menu { display: flex; align-items: center; gap: 32px; }
.nav__link {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.85); position: relative; padding: 4px 0;
}
.nav__link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--color-gold); transition: width var(--transition); }
.nav__link:hover { color: var(--color-white); }
.nav__link:hover::after { width: 100%; }
.nav__link--active { color: var(--color-gold); }
.nav__link--active::after { width: 100%; }

/* Dropdown */
.nav__dropdown { position: relative; }
.nav__dropdown-menu {
  position: absolute; top: 100%; left: -16px; min-width: 240px;
  background: rgba(10,22,40,0.97); padding: 12px 0;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--transition); border-top: 2px solid var(--color-gold);
}
.nav__dropdown:hover .nav__dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__dropdown-item {
  display: block; padding: 10px 24px; font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.05em; color: rgba(255,255,255,0.75); transition: all var(--transition);
}
.nav__dropdown-item:hover { color: var(--color-white); background: rgba(200,163,95,0.1); padding-left: 30px; }

/* Language flags */
.nav__langs { display: flex; align-items: center; gap: 8px; margin-left: 16px; padding-left: 16px; border-left: 1px solid rgba(255,255,255,0.15); }
.nav__lang { opacity: 0.6; transition: opacity var(--transition); }
.nav__lang:hover, .nav__lang--active { opacity: 1; }
.nav__lang img { width: 20px; height: 14px; }

/* Hamburger */
.nav__hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; z-index: 1001; }
.nav__hamburger span { display: block; width: 24px; height: 2px; background: var(--color-white); transition: all var(--transition); }
.nav__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero { position: relative; padding: 180px 0 80px; background: var(--color-dark); text-align: center; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,22,40,0.95), rgba(26,42,68,0.85)); z-index: 1; }
.page-hero__bg { position: absolute; inset: 0; background: url('../media/2020/04/biolid-background-01-1.jpg') center/cover no-repeat; opacity: 0.15; }
.page-hero__content { position: relative; z-index: 2; }
.page-hero__title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; color: var(--color-white); letter-spacing: 0.02em; margin-bottom: 12px; }
.page-hero__divider { width: 60px; height: 3px; background: var(--color-gold); margin: 0 auto 16px; border: none; }
.page-hero__subtitle { font-size: 1rem; font-weight: 400; color: rgba(255,255,255,0.6); letter-spacing: 0.1em; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--color-dark); color: rgba(255,255,255,0.7); padding: 80px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.footer__col-title { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-white); margin-bottom: 20px; }
.footer__logo { max-width: 120px; margin-bottom: 16px; }
.footer__tagline { font-weight: 600; color: var(--color-white); margin-bottom: 12px; }
.footer__text { font-size: 0.9rem; line-height: 1.8; margin-bottom: 16px; }
.footer__quality-logo { max-width: 200px; margin-top: 12px; }
.footer__links li { margin-bottom: 8px; }
.footer__links a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: all var(--transition); }
.footer__links a:hover { color: var(--color-gold); padding-left: 4px; }
.footer__links .footer__links--sub { padding-left: 16px; margin-top: 8px; }
.footer__links .footer__links--sub li { margin-bottom: 6px; }
.footer__links .footer__links--sub a { font-size: 0.82rem; }
.footer__address { font-size: 0.9rem; line-height: 1.8; margin-bottom: 20px; }
.footer__social { margin-top: 12px; display: flex; gap: 12px; }
.footer__social a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7);
  font-size: 0.85rem; transition: all var(--transition);
}
.footer__social a:hover { background: var(--color-gold); color: var(--color-dark); transform: translateY(-2px); }
.footer__private-link {
  display: inline-block; font-size: 0.85rem; font-weight: 600; color: var(--color-gold);
  padding: 10px 20px; border: 1px solid var(--color-gold); border-radius: 2px;
  transition: all var(--transition); margin-bottom: 24px;
}
.footer__private-link:hover { background: var(--color-gold); color: var(--color-dark); }
.footer__catalog img { max-width: 180px; border-radius: 2px; transition: transform var(--transition); }
.footer__catalog img:hover { transform: scale(1.03); }
.footer__catalog-title { font-size: 0.8rem; font-weight: 600; color: rgba(255,255,255,0.6); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer__bottom { margin-top: 60px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; }
.footer__bottom a { color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer__bottom a:hover { color: var(--color-gold); }

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed; bottom: 32px; right: 32px; width: 44px; height: 44px;
  background: var(--color-gold); color: var(--color-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; z-index: 999; opacity: 0; visibility: hidden;
  transform: translateY(20px); transition: all var(--transition); border-radius: 2px;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-gold-light); transform: translateY(-3px); }

/* ============================================
   GDPR COOKIE BANNER
   ============================================ */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
  background: var(--color-dark); color: rgba(255,255,255,0.8);
  padding: 18px 0; border-top: 2px solid var(--color-gold);
  box-shadow: 0 -4px 30px rgba(0,0,0,0.2);
  transform: translateY(100%); transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cookie-banner__text { font-size: 0.88rem; line-height: 1.6; max-width: 720px; }
.cookie-banner__text a { color: var(--color-gold); text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-banner__btn {
  font-family: var(--font-family); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 10px 22px;
  border: 1px solid transparent; cursor: pointer; border-radius: 2px; transition: all var(--transition);
}
.cookie-banner__btn--accept { background: var(--color-gold); color: var(--color-dark); border-color: var(--color-gold); }
.cookie-banner__btn--accept:hover { background: var(--color-gold-light); }
.cookie-banner__btn--reject { background: transparent; color: rgba(255,255,255,0.7); border-color: rgba(255,255,255,0.2); }
.cookie-banner__btn--reject:hover { border-color: rgba(255,255,255,0.5); color: var(--color-white); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .nav__hamburger { display: flex; }
  .nav__menu {
    position: fixed; top: 0; right: -100%; width: 320px; height: 100vh;
    background: var(--color-dark); flex-direction: column; align-items: flex-start;
    padding: 100px 40px 40px; gap: 0; transition: right var(--transition); overflow-y: auto;
  }
  .nav__menu.open { right: 0; box-shadow: -10px 0 40px rgba(0,0,0,0.3); }
  .nav__link { padding: 14px 0; font-size: 0.9rem; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav__link::after { display: none; }
  .nav__dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; padding: 0 0 0 16px; border-top: none; display: none; min-width: auto; }
  .nav__dropdown.open .nav__dropdown-menu { display: block; }
  .nav__langs { margin-left: 0; padding-left: 0; border-left: none; margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .page-hero { padding: 140px 0 60px; }
  .cookie-banner__inner { flex-direction: column; text-align: center; }
  .footer__grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 400px) {
  .page-hero__title { font-size: 1.6rem; }
}

/* ============================================
   BLOG LISTING
   ============================================ */
.blog { padding: 80px 0; background: var(--color-white); }
.blog__grid { display: flex; flex-direction: column; gap: 0; }
.blog__item { display: grid; grid-template-columns: 1fr; padding: 36px 0; border-bottom: 1px solid var(--color-light-gray); transition: all var(--transition); }
.blog__item:first-child { border-top: 1px solid var(--color-light-gray); }
.blog__item:hover { padding-left: 8px; }
.blog__date { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-gold); margin-bottom: 8px; }
.blog__date i { margin-right: 6px; }
.blog__title { font-size: 1.25rem; font-weight: 700; color: var(--color-dark); line-height: 1.4; margin-bottom: 8px; transition: color var(--transition); }
.blog__item:hover .blog__title { color: var(--color-gold); }
.blog__meta { display: flex; align-items: center; gap: 16px; font-size: 0.8rem; color: var(--color-text-light); margin-bottom: 10px; }
.blog__meta i { margin-right: 4px; color: var(--color-gold); }
.blog__excerpt { font-size: 0.95rem; color: var(--color-text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.blog__read-more { display: inline-block; margin-top: 12px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-gold); transition: all var(--transition); }
.blog__read-more i { margin-left: 6px; transition: transform var(--transition); }
.blog__item:hover .blog__read-more i { transform: translateX(4px); }
@media (max-width: 600px) { .blog__item { padding: 24px 0; } .blog__title { font-size: 1.1rem; } }

/* ============================================
   PAGE CONTENT (legal pages, posts)
   ============================================ */
.section { padding: 80px 0; }
.section-title { text-align: center; }
.post__content h1, .post__content h2, .post__content h3 { color: var(--color-dark); margin: 24px 0 12px; font-weight: 700; }
.post__content h1 { font-size: 1.4rem; }
.post__content h2 { font-size: 1.25rem; }
.post__content h3 { font-size: 1.1rem; }
.post__content hr { border: none; border-top: 1px solid var(--color-light-gray); margin: 32px 0; }
.post__content table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.9rem; }
.post__content td, .post__content th { padding: 8px 12px; border: 1px solid var(--color-light-gray); text-align: left; }
.post__content th { background: var(--color-off-white); font-weight: 600; }

/* --- Post Detail --- */
.post__cats { display: flex; gap: 8px; justify-content: center; margin-bottom: 16px; }
.post__cats span { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-gold); background: rgba(200,163,95,0.12); padding: 4px 14px; border-radius: 2px; }
.post__meta { display: flex; justify-content: center; gap: 24px; font-size: 0.82rem; color: rgba(255,255,255,0.55); margin-top: 8px; }
.post__meta i { margin-right: 5px; color: var(--color-gold); }
.post { padding: 60px 0 80px; }
.post__content { max-width: 800px; margin: 0 auto; font-size: 1.05rem; line-height: 1.9; color: var(--color-text); }
.post__content p { margin-bottom: 20px; }
.post__content strong { color: var(--color-dark); font-weight: 600; }
.post__content a { color: var(--color-gold); text-decoration: underline; }
.post__content img { border-radius: 2px; margin: 20px auto; box-shadow: var(--shadow); }
.post__content h2 { font-size: 1.4rem; font-weight: 700; color: var(--color-dark); margin: 30px 0 16px; }
.post__content iframe { width: 100%; aspect-ratio: 16/9; border: none; margin: 24px 0; border-radius: 4px; }
.post__content blockquote { margin: 24px 0; padding: 20px 24px; border-left: 4px solid var(--color-gold); background: var(--color-off-white); border-radius: 2px; }
.post__content blockquote p { margin-bottom: 12px; }
.post__content blockquote p:last-child { margin-bottom: 0; }
.post__nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--color-light-gray); }
.post__nav-link { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.5; transition: color var(--transition); max-width: 45%; }
.post__nav-link:hover { color: var(--color-gold); }
.post__nav-link span { color: var(--color-gold); font-size: 1.2rem; margin: 0 8px; }
.post__share { display: flex; align-items: center; gap: 16px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--color-light-gray); }
.post__share-label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-light); }
.post__share a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--color-light-gray); color: var(--color-text); transition: all var(--transition); font-size: 0.9rem; }
.post__share a:hover { background: var(--color-gold); color: var(--color-dark); transform: translateY(-2px); }
@media (max-width: 768px) { .post__nav { flex-direction: column; } .post__nav-link { max-width: 100%; } .post__meta { flex-direction: column; gap: 6px; } }
@media (max-width: 768px) {
  .about__grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  div[style*="grid-template-columns:repeat(4"] { grid-template-columns: repeat(2, 1fr) !important; }
  div[style*="grid-template-columns:repeat(3"] { grid-template-columns: 1fr !important; }
  div[style*="grid-template-columns:repeat(2"] { grid-template-columns: 1fr !important; }
  div[style*="grid-template-columns:1fr 1fr 1fr"] { grid-template-columns: 1fr !important; border: none !important; }
  div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
  div[style*="grid-template-columns:1fr 1"] { grid-template-columns: 1fr !important; }
}

/* ============================================
   GALLERY LIGHTBOX
   ============================================ */
.gallery-lightbox {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(10,22,40,0.95);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
  backdrop-filter: blur(8px);
}
.gallery-lightbox.active { opacity: 1; visibility: visible; }
.gallery-lightbox__close {
  position: absolute; top: 24px; right: 24px;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-white); font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border-radius: 50%;
  transition: all var(--transition);
}
.gallery-lightbox__close:hover { background: var(--color-gold); color: var(--color-dark); transform: rotate(90deg); }
.gallery-lightbox__img {
  max-width: 90vw; max-height: 85vh; object-fit: contain;
  border-radius: 4px; box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  transform: scale(0.9); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.gallery-lightbox.active .gallery-lightbox__img { transform: scale(1); }
.gallery-lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-white); font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border-radius: 50%;
  transition: all var(--transition);
}
.gallery-lightbox__nav:hover { background: var(--color-gold); color: var(--color-dark); }
.gallery-lightbox__nav--prev { left: 24px; }
.gallery-lightbox__nav--next { right: 24px; }
.gallery-lightbox__counter {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  font-size: 0.82rem; color: rgba(255,255,255,0.5); letter-spacing: 0.1em;
}
@media (max-width: 768px) {
  .gallery-lightbox__nav { width: 40px; height: 40px; }
  .gallery-lightbox__nav--prev { left: 12px; }
  .gallery-lightbox__nav--next { right: 12px; }
  .gallery-lightbox__img { max-width: 95vw; max-height: 80vh; }
}