/* ===== BLOCK STYLES ===== */
.block { margin-bottom: 2rem; }
.block:last-child { margin-bottom: 0; }

/* Hero */
.hero {
  position: relative;
  padding: 4rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--color-surface);
  color: var(--color-text);
}
.hero__background { position: absolute; inset: 0; object-fit: cover; width: 100%; height: 100%; opacity: 0.2; }
.hero__content { position: relative; z-index: 1; max-width: 800px; }
.hero__title { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; color: var(--color-primary); }
.hero__subtitle { font-size: 1.2rem; color: var(--color-text-secondary); margin-bottom: 2rem; }
.hero__cta { display: inline-block; padding: 0.8rem 2rem; background: var(--color-primary); color: #fff; border-radius: var(--border-radius); text-decoration: none; font-weight: bold; }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; padding: 1rem; }
.gallery__item { border-radius: var(--border-radius); overflow: hidden; }
.gallery__img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.3s; }
.gallery__img:hover { transform: scale(1.03); }

/* Carousel */
.carousel { position: relative; overflow: hidden; }
.carousel__track { display: flex; transition: transform 0.5s ease; }
.carousel__slide { min-width: 100%; padding: 1rem; }
.carousel__controls { display: flex; justify-content: center; gap: 1rem; margin-top: 1rem; }
.carousel__btn { background: var(--color-primary); color: #fff; border: none; padding: 0.5rem 1rem; border-radius: var(--border-radius); cursor: pointer; }

/* Grid / Card Grid */
.grid, .card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; padding: 1rem; }
.card { background: var(--color-surface); border-radius: var(--border-radius); box-shadow: var(--shadow); overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }
.card__image { width: 100%; height: 180px; object-fit: cover; }
.card__body { padding: 1rem; }
.card__title { font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--color-primary); }
.card__text { color: var(--color-text-secondary); }

/* Timeline */
.timeline { position: relative; padding: 2rem 0; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--color-primary-light); transform: translateX(-50%); }
.timeline__item { display: flex; margin-bottom: 2rem; position: relative; }
.timeline__item:nth-child(odd) { flex-direction: row; }
.timeline__item:nth-child(even) { flex-direction: row-reverse; }
.timeline__content { width: 45%; padding: 1rem; background: var(--color-surface); border-radius: var(--border-radius); box-shadow: var(--shadow); }
.timeline__dot { width: 16px; height: 16px; background: var(--color-primary); border-radius: 50%; position: absolute; left: 50%; transform: translateX(-50%); top: 1rem; }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--color-text-secondary); padding: 1rem 0; }
.faq__question { width: 100%; background: none; border: none; font-size: 1.1rem; font-weight: bold; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--color-text); }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq__answer.open { max-height: 300px; }

/* Statistics / Metrics */
.stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; padding: 2rem 1rem; }
.stat { text-align: center; }
.stat__number { font-size: 2.5rem; font-weight: bold; color: var(--color-primary); }
.stat__label { color: var(--color-text-secondary); }

/* Quote / Testimonial */
.quote, .testimonial { text-align: center; padding: 3rem 1rem; font-style: italic; }
.quote__text { font-size: 1.5rem; color: var(--color-text); }
.quote__author { margin-top: 1rem; color: var(--color-text-secondary); }

/* Feature List */
.feature-list { list-style: none; padding: 2rem 1rem; display: grid; gap: 1rem; }
.feature-list__item { display: flex; align-items: center; gap: 0.5rem; }

/* Accordion */
.accordion { max-width: 800px; margin: 0 auto; }
.accordion__item { border: 1px solid var(--color-text-secondary); border-radius: var(--border-radius); margin-bottom: 0.5rem; }
.accordion__header { width: 100%; background: var(--color-surface); border: none; padding: 1rem; text-align: left; cursor: pointer; display: flex; justify-content: space-between; }
.accordion__content { max-height: 0; overflow: hidden; transition: max-height 0.3s; }
.accordion__content.open { max-height: 500px; }

/* Tabs */
.tabs { max-width: 800px; margin: 0 auto; }
.tabs__nav { display: flex; gap: 0.5rem; border-bottom: 2px solid var(--color-text-secondary); }
.tabs__btn { padding: 0.5rem 1rem; background: none; border: none; cursor: pointer; font-weight: bold; color: var(--color-text); }
.tabs__btn[aria-selected="true"] { border-bottom: 2px solid var(--color-primary); color: var(--color-primary); margin-bottom: -2px; }
.tabs__panel { display: none; padding: 1rem 0; }
.tabs__panel[aria-hidden="false"] { display: block; }

/* Related Content */
.related { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; padding: 1rem; }

/* Forms (Lead, Contact) */
.form { max-width: 600px; margin: 0 auto; padding: 2rem 1rem; background: var(--color-surface); border-radius: var(--border-radius); box-shadow: var(--shadow); }
.form__field { margin-bottom: 1rem; }
.form__label { display: block; margin-bottom: 0.25rem; font-weight: bold; color: var(--color-text); }
.form__input, .form__textarea, .form__select { width: 100%; padding: 0.75rem; border: 1px solid var(--color-text-secondary); border-radius: var(--border-radius); background: var(--color-background); color: var(--color-text); }
.form__button { padding: 0.75rem 2rem; background: var(--color-primary); color: #fff; border: none; border-radius: var(--border-radius); cursor: pointer; font-weight: bold; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; padding: 2rem 1rem; }
.pricing__card { background: var(--color-surface); border-radius: var(--border-radius); box-shadow: var(--shadow); padding: 2rem; text-align: center; }
.pricing__price { font-size: 2.5rem; font-weight: bold; color: var(--color-primary); }

/* CTA */
.cta { text-align: center; padding: 4rem 1rem; background: var(--color-primary-light); color: #fff; border-radius: var(--border-radius); }
.cta__button { display: inline-block; padding: 1rem 2rem; background: #fff; color: var(--color-primary-dark); border-radius: var(--border-radius); font-weight: bold; text-decoration: none; }

/* Navigation / Breadcrumbs / Footer */
.nav { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; padding: 1rem; background: var(--color-surface); box-shadow: var(--shadow); }
.nav__list { display: flex; list-style: none; gap: 1rem; }
.breadcrumbs { padding: 1rem; list-style: none; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.breadcrumbs__item::after { content: '/'; margin-left: 0.5rem; color: var(--color-text-secondary); }
.breadcrumbs__item:last-child::after { content: none; }
.footer { padding: 2rem 1rem; background: var(--color-surface); border-top: 1px solid var(--color-text-secondary); text-align: center; }

/* Search */
.search { max-width: 600px; margin: 0 auto; padding: 1rem; display: flex; }
.search__input { flex: 1; padding: 0.75rem; border: 1px solid var(--color-text-secondary); border-radius: var(--border-radius) 0 0 var(--border-radius); }
.search__button { padding: 0.75rem 1.5rem; border: none; background: var(--color-primary); color: #fff; border-radius: 0 var(--border-radius) var(--border-radius) 0; cursor: pointer; }

/* Table */
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { padding: 0.75rem; text-align: left; border-bottom: 1px solid var(--color-text-secondary); }
th { background: var(--color-surface); font-weight: bold; }

/* Directory Listing */
.directory-listing { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; padding: 1rem; }

/* Downloads */
.downloads { list-style: none; padding: 1rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.downloads__link { padding: 0.5rem 1rem; border: 1px solid var(--color-primary); border-radius: var(--border-radius); color: var(--color-primary); text-decoration: none; }

/* Video / Audio */
.video, .audio { max-width: 100%; margin: 1rem 0; }

/* Map */
.map { height: 400px; width: 100%; background: #e9e9e9; border-radius: var(--border-radius); }

/* Research References */
.ref-list { list-style: decimal; padding-left: 2rem; margin: 1rem 0; }