/* ============================================
   BIOLID - Homepage-specific Styles

   Covers: hero slideshow, intro, stats bar,
   services grid, video CTA, design promo,
   about section, global presence map, contact
   cards, and certification logos.
   ============================================ */

/* --- Container Wide --- */
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* --- Hero Slideshow --- */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero__slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.5s ease-in-out;
  animation: heroZoom 12s ease-in-out infinite alternate;
}
.hero__slide--active { opacity: 1; }
@keyframes heroZoom { 0% { transform: scale(1); } 100% { transform: scale(1.06); } }

.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.8) 0%, rgba(10,22,40,0.6) 40%, rgba(10,22,40,0.4) 100%);
}
.hero__content {
  position: relative; z-index: 2; text-align: center; color: var(--color-white); max-width: 900px; padding: 0 24px;
}
.hero__label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--color-gold); margin-bottom: 24px; opacity: 0; animation: heroFadeUp 1s 0.3s forwards;
}
.hero__title {
  font-size: clamp(2.2rem, 6vw, 4.5rem); font-weight: 800; line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 20px; opacity: 0; animation: heroFadeUp 1s 0.6s forwards;
}
.hero__divider { width: 80px; height: 3px; background: var(--color-gold); margin: 0 auto 20px; opacity: 0; animation: heroFadeUp 1s 0.9s forwards; }
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem); font-weight: 300; letter-spacing: 0.15em;
  text-transform: uppercase; margin-bottom: 40px; opacity: 0; animation: heroFadeUp 1s 1.1s forwards;
}
.hero__cta { opacity: 0; animation: heroFadeUp 1s 1.4s forwards; }
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero__scroll-indicator {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.5); font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase; animation: heroBounce 2s ease-in-out infinite;
}
.hero__scroll-indicator i { font-size: 1.2rem; }
@keyframes heroBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Intro Section --- */
.intro { padding: 120px 0; text-align: center; background: var(--color-white); }
.intro__logo { max-width: 200px; margin: 0 auto 40px; }
.intro__title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700; color: var(--color-dark); letter-spacing: 0.02em; margin-bottom: 16px; }
.intro__text { max-width: 720px; margin: 0 auto; font-size: 1.05rem; line-height: 1.9; color: var(--color-text-light); }
.intro__text strong { color: var(--color-dark); font-weight: 600; }

/* --- Stats Section --- */
.stats { padding: 80px 0; background: var(--color-dark); position: relative; overflow: hidden; }
.stats::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light), var(--color-gold)); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stats__item { position: relative; }
.stats__item:not(:last-child)::after { content: ''; position: absolute; right: -20px; top: 10%; height: 80%; width: 1px; background: rgba(255,255,255,0.1); }
.stats__icon { font-size: 1.6rem; color: var(--color-gold); margin-bottom: 16px; }
.stats__number { font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 800; color: var(--color-white); line-height: 1; margin-bottom: 8px; letter-spacing: -0.02em; }
.stats__number span { color: var(--color-gold); }
.stats__label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-top: 6px; }
.section-accent { height: 3px; background: linear-gradient(90deg, transparent, var(--color-gold), transparent); max-width: 200px; margin: 0 auto; }

/* --- Services Grid --- */
.services { padding: 100px 0; background: var(--color-off-white); text-align: center; }
.services__header { margin-bottom: 60px; }
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.services__card { position: relative; overflow: hidden; aspect-ratio: 1; background: var(--color-dark); }
.services__card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.4,0,0.2,1), opacity 0.6s ease; }
.services__card:hover img { transform: scale(1.08); opacity: 0.35; }
.services__card-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 24px; opacity: 0; transition: opacity var(--transition);
}
.services__card:hover .services__card-overlay { opacity: 1; }
.services__card-label {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 20px;
  background: linear-gradient(transparent, rgba(10,22,40,0.85)); text-align: center;
}
.services__card-label h4 { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-white); }
.services__card:hover .services__card-label { opacity: 0; }
.services__card-overlay h4 { font-size: 0.95rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-white); margin-bottom: 8px; }
.services__card-overlay span { display: block; width: 30px; height: 2px; background: var(--color-gold); margin-top: 12px; }

/* --- Video CTA --- */
.video-cta { position: relative; padding: 140px 0; display: flex; align-items: center; justify-content: center; overflow: hidden; min-height: 500px; }
.video-cta__bg { position: absolute; inset: 0; z-index: 0; }
.video-cta__bg video { width: 100%; height: 100%; object-fit: cover; }
.video-cta__bg::after { content: ''; position: absolute; inset: 0; background: rgba(10,22,40,0.7); }
.video-cta__content { position: relative; z-index: 1; text-align: center; color: var(--color-white); }
.video-cta__content .btn { margin-top: 20px; }
.video-cta__title { font-size: clamp(1.5rem, 3.5vw, 2.5rem); font-weight: 700; letter-spacing: 0.02em; margin-bottom: 16px; }

/* --- Design Section --- */
.design { padding: 120px 0; background: var(--color-dark); text-align: center; color: var(--color-white); }
.design__logo { max-width: 180px; margin: 0 auto 36px; }
.design__title { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-gold); margin-bottom: 8px; }
.design__heading { font-size: clamp(1.2rem, 2.5vw, 1.75rem); font-weight: 700; letter-spacing: 0.02em; margin-bottom: 24px; max-width: 600px; margin-left: auto; margin-right: auto; }
.design__text { font-size: 1rem; font-weight: 400; line-height: 1.9; max-width: 640px; margin: 0 auto 36px; color: rgba(255,255,255,0.75); }

/* --- About Section --- */
.about { padding: 120px 0; background: var(--color-white); }
.about__grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: center; }
.about__photo-wrapper { position: relative; }
.about__photo-wrapper::after { content: ''; position: absolute; bottom: -12px; right: -12px; width: 100%; height: 100%; border: 2px solid var(--color-gold); z-index: -1; border-radius: 2px; }
.about__photo { width: 100%; border-radius: 2px; position: relative; z-index: 1; }
.about__content { padding-left: 20px; }
.about__company { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-gold); margin-bottom: 4px; }
.about__heading { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; color: var(--color-dark); margin-bottom: 16px; }
.about__text { font-size: 1rem; line-height: 1.9; color: var(--color-text-light); margin-bottom: 32px; }

/* --- Global Presence --- */
.global { padding: 100px 0; background: var(--color-off-white); text-align: center; }
.global__title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; color: var(--color-dark); margin-bottom: 16px; }
.global__text { max-width: 800px; margin: 0 auto; font-size: 1rem; line-height: 1.9; color: var(--color-text-light); }
.global__text strong { color: var(--color-dark); }
.global__map { margin-top: 50px; max-width: 1000px; margin-left: auto; margin-right: auto; border-radius: 4px; overflow: hidden; box-shadow: var(--shadow-lg); }
.global__map img { width: 100%; height: auto; }

/* --- Contact Section --- */
.contact { padding: 100px 0; background: var(--color-dark-alt); text-align: center; color: var(--color-white); }
.contact__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 40px auto 0; }
.contact__card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); padding: 28px 20px; text-align: center; transition: all var(--transition); }
.contact__card:hover { background: rgba(255,255,255,0.07); border-color: rgba(200,163,95,0.3); transform: translateY(-3px); }
.contact__card-icon { font-size: 1.4rem; color: var(--color-gold); margin-bottom: 12px; }
.contact__card-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 6px; }
.contact__card-value { font-size: 0.95rem; font-weight: 500; color: var(--color-white); line-height: 1.6; }
.contact__card-value a { color: var(--color-white); transition: color var(--transition); }
.contact__card-value a:hover { color: var(--color-gold); }
.contact__cta { margin-top: 36px; }
.contact .section-subtitle strong { color: var(--color-white); }

/* --- Certifications --- */
.certifications { padding: 60px 0; background: var(--color-white); text-align: center; }
.certifications__logos { display: flex; align-items: center; justify-content: center; gap: 60px; }
.certifications__logos img { height: 60px; width: auto; opacity: 0.7; transition: opacity var(--transition); }
.certifications__logos img:hover { opacity: 1; }

/* --- Button variant (email) --- */
.btn--email { background: var(--color-gold); color: var(--color-dark); border-color: var(--color-gold); padding: 12px 28px; }
.btn--email: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); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero { min-height: 500px; }
  .hero__scroll-indicator { display: none; }
  .intro { padding: 80px 0; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stats { padding: 60px 0; }
  .stats__item:not(:last-child)::after { display: none; }
  .services { padding: 60px 0; }
  .video-cta { padding: 80px 0; min-height: 350px; }
  .design { padding: 80px 0; }
  .about { padding: 80px 0; }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__content { padding-left: 0; }
  .about__photo-wrapper { max-width: 280px; margin: 0 auto; }
  .global { padding: 70px 0; }
  .contact { padding: 70px 0; }
  .contact__cards { grid-template-columns: 1fr; max-width: 360px; }
  .certifications__logos { gap: 30px; }
  .certifications__logos img { height: 45px; }
}
@media (max-width: 600px) {
  .services__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
}
@media (max-width: 400px) {
  .stats__grid { grid-template-columns: 1fr; }
}