/* ═══════════════════════════════════════════════════════
   KUPOLLA — Sections: Technologies, Contact, Animations, Responsive
   kupolla-5.css
════════════════════════════════════════════════════════ */

/* 4. TECHNOLOGIES */
.kp-tech {
  background: linear-gradient(140deg, #000000 0%, #202020 100%);
  position: relative; overflow: hidden;
}
.kp-tech::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.kp-tech__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}
.kp-tech__desc {
  font-size: 1rem;
  color: rgba(255,255,255,.62);
  line-height: 1.78;
  margin-bottom: 1.5rem;
}
.kp-tech__list {
  list-style: none;
  display: flex; flex-direction: column;
  gap: .75rem;
  margin-bottom: 2rem;
}
.kp-tech__list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .9375rem;
  color: rgba(255,255,255,.72);
}
.kp-tech__check { color: rgba(255,255,255,.85); font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

.kp-tech__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.kp-tstat {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r-xl);
  padding: 1.75rem 1.5rem;
  display: flex; flex-direction: column; gap: .5rem;
  transition: all var(--tr);
}
.kp-tstat:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(5,31,67,.3);
}
.kp-tstat__num {
  font-family: var(--f-serif); text-transform: uppercase; letter-spacing: .01em;
  font-size: 2.625rem;
  font-weight: 300;
  color: var(--c-white);
  line-height: 1;
}
.kp-tstat__lbl { font-size: .8125rem; color: rgba(255,255,255,.45); line-height: 1.45; }

.kp-tech__hd {
  max-width: min(100%, 980px);
  margin: 0 auto 3rem;
  text-align: center;
  position: relative;
}
.kp-tech__hd .kp-label,
.kp-tech__hd .kp-label--gold {
  color: rgba(255,255,255,.78);
}
.kp-tech__hd .kp-tech__desc { margin-bottom: 0; }
@media (min-width: 768px) {
  .kp-tech__hd .kp-section__title {
    white-space: nowrap;
  }
}
.kp-tech__cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  position: relative;
}
.kp-tcard {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--r-xl);
  padding: clamp(1.5rem, 3vw, 2rem);
  transition: all var(--tr);
  min-width: 0;
}
.kp-tcard:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(5,31,67,.3);
  transform: translateY(-5px);
}
.kp-tcard__title {
  font-family: var(--f-serif); text-transform: uppercase; letter-spacing: .01em;
  font-size: clamp(.95rem, 1.05vw, 1.125rem);
  font-weight: 500;
  color: var(--c-white);
  margin-bottom: .625rem;
}
.kp-tcard__desc { font-size: .875rem; color: rgba(255,255,255,.62); line-height: 1.65; }
.kp-tech__cta { text-align: center; margin-top: 2.5rem; }

/* 4b. BLOG PREVIEW — як на референсі (зобр. 1): лівий заголовок + 4 картки */
.kp-blog-preview { background: var(--c-white); }
.kp-blog-preview__hd {
  max-width: 640px;
  margin: 0 0 2.75rem;
  text-align: left;
}
.kp-blog-preview__title {
  font-family: var(--f-serif);
  text-transform: uppercase;
  letter-spacing: .01em;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--c-dark);
  margin: 0 0 1rem;
}
.kp-blog-preview__sub {
  font-size: 1rem;
  color: var(--c-muted);
  line-height: 1.65;
  max-width: 420px;
  margin: 0;
}
.kp-blog-preview__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}
.kp-blog-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  color: inherit;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  transition: opacity var(--tr), transform var(--tr);
}
.kp-blog-card:hover {
  transform: translateY(-4px);
  box-shadow: none;
  border-color: transparent;
  opacity: .92;
}
.kp-blog-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--c-border);
  border-radius: var(--r-sm);
  margin-bottom: 1rem;
}
.kp-blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.kp-blog-card__body { padding: 0; }
.kp-blog-card__title {
  font-family: var(--f-sans);
  text-transform: none;
  letter-spacing: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-dark);
  margin: 0 0 .5rem;
  line-height: 1.35;
}
.kp-blog-card__desc {
  font-size: .875rem;
  color: var(--c-muted);
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.kp-blog-preview__cta { text-align: center; margin-top: 2.5rem; }

/* 5. CONTACT */
.kp-contact { background: var(--c-white); }
.kp-contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 4rem;
  align-items: start;
}
.kp-contact__desc {
  font-size: 1rem;
  color: var(--c-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}
.kp-contact__details { display: flex; flex-direction: column; gap: .875rem; }
.kp-contact__det {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9375rem;
  color: var(--c-muted);
}
.kp-contact__det svg { width: 20px; height: 20px; color: var(--c-forest); flex-shrink: 0; }
.kp-contact__fw {
  background: var(--c-warm);
  border-radius: var(--r-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--c-border);
}

/* 6. ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: .5; transform: scaleY(1); }
  50%       { opacity: 1;  transform: scaleY(1.15); }
}

/* Scroll reveal */
.kp-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}
.kp-reveal.vis { opacity: 1; transform: translateY(0); }
.kp-reveal:nth-child(2) { transition-delay: .1s; }
.kp-reveal:nth-child(3) { transition-delay: .2s; }
.kp-reveal:nth-child(4) { transition-delay: .3s; }

.kp-section__title--sm {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

/* Single product section */
.kp-product__card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.kp-product__media {
  display: block;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: var(--sh-lg);
}
.kp-product__media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
}
.kp-product__name {
  font-family: var(--f-serif); text-transform: uppercase; letter-spacing: .01em;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin: 0 0 .5rem;
}
.kp-product__area {
  display: block;
  color: var(--c-forest);
  font-weight: 500;
  margin-bottom: 1rem;
}
.kp-product__desc {
  color: var(--c-muted);
  line-height: 1.65;
  margin: 0 0 1.25rem;
}
.kp-product__facts {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: .5rem;
}
.kp-product__facts li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--c-text);
}
.kp-product__facts li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--c-forest);
}
.kp-product__price {
  margin: 0 0 1.5rem;
  font-size: 1rem;
}
.kp-product__price strong {
  font-family: var(--f-serif); text-transform: uppercase; letter-spacing: .01em;
  font-size: 1.75rem;
  color: var(--c-forest);
}
.kp-product__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
}
.kp-product__plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 480px);
  gap: 0;
  align-items: stretch;
  background: var(--c-forest);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  outline: 1px solid rgba(14, 35, 25, .12);
}
.kp-product__plan-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.25rem;
  padding: clamp(2rem, 5vw, 3.5rem);
}
.kp-product__plan-copy .kp-label {
  margin-bottom: 0;
}
.kp-product__plan-copy .kp-section__title {
  margin-bottom: 0;
}
.kp-product__plan-sub {
  color: rgba(255, 255, 255, .65);
  max-width: 380px;
}
.kp-product__plan-stats {
  list-style: none;
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  margin: .25rem 0;
}
.kp-product__plan-stats li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}
.kp-product__plan-stats strong {
  font-family: var(--f-serif); text-transform: uppercase; letter-spacing: .01em;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 400;
  color: var(--c-white);
  line-height: 1;
}
.kp-product__plan-stats span {
  font-size: .75rem;
  color: rgba(255, 255, 255, .5);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.kp-product__plan-visual {
  background: var(--c-stone-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  position: relative;
  border-left: 1px solid rgba(14, 35, 25, .18);
}
.kp-product__plan-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100% 70% at 50% 115%, rgba(14, 35, 25, .12) 0%, transparent 65%);
  pointer-events: none;
}
.kp-product__plan-img {
  width: 100%;
  max-width: 380px;
  height: auto;
  aspect-ratio: 752 / 440;
  margin: 0 auto;
  display: block;
  vertical-align: top;
  object-fit: cover;
  background: var(--c-white);
  border-radius: var(--r-lg);
  border: 1px solid rgba(202, 201, 189, .5);
  box-shadow: var(--sh-md);
  position: relative;
}

/* 7. RESPONSIVE — sections */
@media (max-width: 1024px) {
  .kp-benefits__grid { grid-template-columns: repeat(2, 1fr); }
  .kp-product__card { grid-template-columns: 1fr; }
  .kp-product__plan { grid-template-columns: 1fr; }
  .kp-tech__inner    { grid-template-columns: 1fr; gap: 2.5rem; }
  .kp-tech__cards    { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kp-blog-preview__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kp-contact__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .kp-product__plan-visual {
    border-left: none;
    border-top: 1px solid rgba(14, 35, 25, .15);
  }
}

@media (max-width: 768px) {
  .kp-mcard__badge {
    top: .75rem;
    left: .75rem;
    padding: .38rem .85rem;
    letter-spacing: .08em;
  }
  .kp-hero__photo img {
    object-position: center 30%;
    opacity: 0.46;
  }
  .kp-hero__photo::after {
    background: linear-gradient(180deg, rgba(0,0,0,.75) 0%, rgba(14,35,25,.62) 45%, rgba(14,35,25,.86) 100%);
  }
  .kp-hero__actions { flex-direction: column; align-items: stretch; }
  .kp-hero__actions .kp-btn { width: 100%; justify-content: center; }

  .kp-benefits__grid { grid-template-columns: 1fr; }
  .kp-product__actions { flex-direction: column; }
  .kp-product__actions .kp-btn { width: 100%; justify-content: center; }
  .kp-tech__stats    { grid-template-columns: 1fr 1fr; }
  .kp-tech__cards    { grid-template-columns: 1fr; }
  .kp-blog-preview__grid {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    padding-bottom: .5rem;
    margin: 0 calc(-1 * clamp(1rem, 4vw, 2.5rem));
    padding-left: clamp(1rem, 4vw, 2.5rem);
    padding-right: clamp(1rem, 4vw, 2.5rem);
  }
  .kp-blog-preview__grid .kp-blog-card {
    flex: 0 0 min(78vw, 280px);
    scroll-snap-align: start;
  }
  .kp-blog-preview__hd { margin-bottom: 2rem; }

  .kp-product__plan-visual {
    order: -1;
    border-left: none;
    border-bottom: 1px solid rgba(14, 35, 25, .15);
    padding: 1rem 1.25rem;
  }
  .kp-product__plan-img { max-width: min(100%, 320px); }
  .kp-product__plan-stats { gap: 1.25rem; }
  .kp-product__plan-copy .kp-btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .kp-tech__stats { grid-template-columns: 1fr; }
  .kp-tstat__num  { font-size: 2rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms;
    transition-duration: .01ms;
  }
  .kp-hero__scroll { display: none; }
}