:root {
  --sills-blue: var(--blue-600, #1670ea);
  --sills-dark: var(--ink, #0d1b2f);
  --sills-muted: var(--muted, #66788e);
  --sills-line: var(--line, #dfe8f2);
  --sills-soft: var(--soft, #f4f8fc);
  --sills-shadow-sm: var(--shadow-sm, 0 12px 34px rgba(13, 41, 78, .08));
  --sills-shadow-md: var(--shadow-md, 0 24px 64px rgba(13, 41, 78, .13));
}

.sills-page { background: #fff; }
.sills-page .section { padding: 94px 0; }

.sills-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 88px;
  background:
    radial-gradient(circle at 85% 18%, rgba(22,112,234,.11), transparent 27%),
    linear-gradient(135deg, #f7faff 0%, #fff 52%, #edf5ff 100%);
  isolation: isolate;
}
.sills-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(22,112,234,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,112,234,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
}
.sills-hero-decoration {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(22,112,234,.13);
  border-radius: 50%;
  pointer-events: none;
}
.sills-decoration-one { width: 400px; height: 400px; right: -210px; top: -190px; }
.sills-decoration-two { width: 250px; height: 250px; left: -170px; bottom: -160px; }

.sills-hero-grid {
  display: grid;
  grid-template-columns: minmax(0,.92fr) minmax(520px,1.08fr);
  gap: 72px;
  align-items: center;
}
.sills-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 27px;
  color: #76899f;
  font-size: 12px;
  font-weight: 700;
}
.sills-breadcrumbs a:hover { color: var(--sills-blue); }
.sills-hero-copy h1 {
  max-width: 720px;
  margin: 16px 0 22px;
  font-size: clamp(48px,5.3vw,76px);
  line-height: 1.02;
  letter-spacing: -.052em;
}
.sills-hero-copy h1 span { color: var(--sills-blue); }
.sills-hero-lead {
  max-width: 680px;
  margin: 0;
  color: #4c6078;
  font-size: 18px;
  line-height: 1.8;
}
.sills-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 32px;
}
.sills-text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #0b4a9d;
  font-size: 13px;
  font-weight: 800;
}
.sills-text-link span { transition: transform .25s ease; }
.sills-text-link:hover span { transform: translateY(4px); }

.sills-hero-points {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 14px 22px;
  margin-top: 34px;
}
.sills-hero-points div {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #354a64;
  font-size: 12px;
}
.sills-hero-points span {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid #c5dcf8;
  border-radius: 50%;
  color: var(--sills-blue);
  background: #eef6ff;
}

.sills-hero-visual {
  position: relative;
  min-height: 610px;
}
.sills-main-image {
  position: absolute;
  inset: 12px 48px 50px 0;
  overflow: hidden;
  margin: 0;
  border: 1px solid #d8e4f1;
  border-radius: 36px;
  background: linear-gradient(135deg,#edf3fa,#dce8f5);
  box-shadow: 0 32px 80px rgba(10,43,86,.18);
}
.sills-main-image::before {
  content: "PROZORSKA KLUPICA";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #9db3ca;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}
.sills-main-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(.2,.7,.2,1);
}
.sills-hero-visual:hover .sills-main-image img { transform: scale(1.035); }
.sills-main-image figcaption {
  position: absolute;
  z-index: 2;
  left: 22px;
  bottom: 22px;
  padding: 9px 13px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  color: #fff;
  background: rgba(7,25,52,.63);
  backdrop-filter: blur(12px);
  font-size: 11px;
  font-weight: 800;
}
.sills-measure-card,
.sills-material-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid #d7e4f2;
  background: rgba(255,255,255,.94);
  box-shadow: var(--sills-shadow-sm);
  backdrop-filter: blur(13px);
}
.sills-measure-card {
  right: 0;
  top: 44px;
  padding: 15px 17px;
  border-radius: 19px;
}
.sills-measure-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg,#1670ea,#0a4aa4);
  font-size: 21px;
}
.sills-measure-card small,
.sills-measure-card strong,
.sills-material-card strong,
.sills-material-card small { display: block; }
.sills-measure-card small,
.sills-material-card small {
  color: var(--sills-muted);
  font-size: 10px;
}
.sills-measure-card strong {
  margin-top: 2px;
  color: #0b4a9d;
  font-size: 17px;
}
.sills-material-card {
  right: 18px;
  bottom: 14px;
  padding: 16px 19px;
  border-radius: 20px;
}
.sills-material-card > span {
  color: var(--sills-blue);
  font-size: 26px;
}
.sills-material-card strong { font-size: 13px; }
.sills-material-card small { margin-top: 3px; }

.sills-trust {
  position: relative;
  z-index: 4;
  margin-top: -36px;
}
.sills-trust-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  overflow: hidden;
  border: 1px solid var(--sills-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--sills-shadow-md);
}
.sills-trust article {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 25px 24px;
}
.sills-trust article:not(:last-child) { border-right: 1px solid var(--sills-line); }
.sills-trust article > span {
  color: #b8cbe0;
  font-size: 27px;
  font-weight: 800;
  letter-spacing: -.04em;
}
.sills-trust strong,.sills-trust small { display: block; }
.sills-trust strong { font-size: 13px; }
.sills-trust small {
  margin-top: 2px;
  color: var(--sills-muted);
  font-size: 10px;
}

.sills-heading-row {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(280px,.72fr);
  gap: 62px;
  align-items: end;
  margin-bottom: 34px;
}
.sills-heading-row h2,
.sills-spec-copy h2,
.sills-process-intro h2,
.sills-faq-intro h2 {
  margin: 10px 0 18px;
  font-size: clamp(35px,4vw,51px);
  line-height: 1.1;
  letter-spacing: -.038em;
}
.sills-heading-row > p,
.sills-spec-copy > p,
.sills-faq-intro > p {
  margin: 0;
  color: var(--sills-muted);
  line-height: 1.8;
}

.sills-types { background: #f5f8fc; }
.sills-type-switcher {
  overflow: hidden;
  border: 1px solid var(--sills-line);
  border-radius: 32px;
  background: #fff;
  box-shadow: var(--sills-shadow-sm);
}
.sills-tab-controls {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  padding: 10px;
  border-bottom: 1px solid var(--sills-line);
  background: #f8fbff;
}
.sills-tab-controls button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 58px;
  border: 0;
  border-radius: 17px;
  color: #52677f;
  background: transparent;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: .25s ease;
}
.sills-tab-controls button span {
  color: #9aacbe;
  font-size: 11px;
}
.sills-tab-controls button.is-active {
  color: #fff;
  background: linear-gradient(135deg,#0e5dcc,#1670ea);
  box-shadow: 0 12px 25px rgba(22,112,234,.2);
}
.sills-tab-controls button.is-active span { color: #b7d7ff; }

.sills-tab-panel {
  display: grid;
  grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr);
  gap: 64px;
  align-items: center;
  min-height: 460px;
  padding: 50px;
}
.sills-type-label {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--sills-blue);
  background: #eef6ff;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.sills-tab-copy h3 {
  margin: 14px 0 13px;
  font-size: clamp(30px,3.2vw,43px);
  line-height: 1.12;
  letter-spacing: -.035em;
}
.sills-tab-copy p {
  margin: 0;
  color: var(--sills-muted);
  line-height: 1.8;
}
.sills-tab-copy ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.sills-tab-copy li {
  position: relative;
  padding-left: 25px;
  color: #3d536c;
  font-size: 12px;
}
.sills-tab-copy li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--sills-blue);
  font-weight: 800;
}

.sills-concept-visual {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  border: 1px solid #d6e3f1;
  border-radius: 26px;
  background:
    linear-gradient(rgba(22,112,234,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,112,234,.045) 1px, transparent 1px),
    linear-gradient(135deg,#edf5ff,#fbfdff);
  background-size: 30px 30px,30px 30px,auto;
}
.sills-window-frame {
  position: absolute;
  left: 50%;
  top: 40px;
  width: 180px;
  height: 150px;
  border: 18px solid #243b58;
  border-bottom-width: 13px;
  transform: translateX(-50%);
  box-shadow: inset 0 0 0 2px #8aa0b7;
}
.sills-window-frame::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 8px;
  background: #243b58;
  transform: translateX(-50%);
}
.sills-stone-surface {
  position: absolute;
  left: 14%;
  right: 8%;
  top: 198px;
  height: 54px;
  border-radius: 7px;
  background: linear-gradient(180deg,#6d91c4,#3868a9);
  box-shadow: 0 18px 30px rgba(30,83,153,.2);
}
.sills-indoor-visual .sills-wall-line {
  position: absolute;
  left: 14%;
  right: 8%;
  top: 252px;
  height: 46px;
  border-radius: 0 0 12px 12px;
  background: #dfe8f2;
}
.sills-concept-visual small {
  position: absolute;
  left: 18px;
  bottom: 16px;
  color: #5f738b;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}
.sills-outdoor-visual .sills-stone-surface {
  right: 3%;
  transform: rotate(-2deg);
  transform-origin: left center;
}
.sills-drip-channel {
  position: absolute;
  right: 17%;
  top: 248px;
  width: 38px;
  height: 9px;
  border-radius: 0 0 9px 9px;
  background: #173e73;
}
.sills-water-drop {
  position: absolute;
  width: 12px;
  height: 18px;
  border-radius: 60% 40% 60% 40%;
  background: #42a5ff;
  transform: rotate(45deg);
}
.drop-one { right: 19%; top: 270px; }
.drop-two { right: 12%; top: 291px; opacity: .65; }

.sills-specification-grid {
  display: grid;
  grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr);
  gap: 72px;
  align-items: center;
}
.sills-dimension-list {
  display: grid;
  gap: 12px;
  margin-top: 27px;
}
.sills-dimension-list article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 15px;
  align-items: center;
  padding: 17px;
  border: 1px solid var(--sills-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--sills-shadow-sm);
}
.sills-dimension-list article > span {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--sills-blue);
  background: #eef6ff;
  font-weight: 800;
}
.sills-dimension-list strong,.sills-dimension-list small { display: block; }
.sills-dimension-list strong { font-size: 13px; }
.sills-dimension-list small { margin-top: 3px; color: var(--sills-muted); font-size: 10px; }

.sills-measure-diagram {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  border: 1px solid #d8e5f2;
  border-radius: 30px;
  background:
    linear-gradient(rgba(22,112,234,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,112,234,.04) 1px, transparent 1px),
    linear-gradient(135deg,#eef5fd,#fff);
  background-size: 34px 34px,34px 34px,auto;
  box-shadow: var(--sills-shadow-sm);
}
.sills-diagram-window {
  position: absolute;
  left: 50%;
  top: 60px;
  width: 270px;
  height: 205px;
  border: 20px solid #1d324d;
  transform: translateX(-50%);
}
.sills-diagram-window span:first-child {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 9px;
  background: #1d324d;
  transform: translateX(-50%);
}
.sills-diagram-window span:last-child {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 7px;
  background: #1d324d;
  transform: translateY(-50%);
}
.sills-diagram-stone {
  position: absolute;
  left: 12%;
  right: 8%;
  top: 270px;
  height: 70px;
  border-radius: 7px;
  background: linear-gradient(180deg,#6c91c5,#3566aa);
  box-shadow: 0 22px 36px rgba(31,82,149,.2);
}
.sills-diagram-stone > span {
  position: absolute;
  padding: 6px 9px;
  border-radius: 999px;
  color: #fff;
  background: #0c4c9f;
  font-size: 9px;
  font-weight: 800;
}
.measure-length { left: 36%; top: -33px; }
.measure-depth { right: -4px; top: 20px; transform: translateX(70%); }
.measure-thickness { left: 12px; bottom: -28px; }
.sills-diagram-note {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 17px;
  border: 1px solid #d7e4f1;
  border-radius: 17px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
}
.sills-diagram-note strong {
  color: var(--sills-blue);
  font-size: 11px;
  text-transform: uppercase;
}
.sills-diagram-note small { color: var(--sills-muted); font-size: 10px; }

.sills-edges {
  position: relative;
  overflow: hidden;
  background: #f5f8fc;
}
.sills-edge-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 22px;
}
.sills-edge-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px,.75fr) minmax(0,1.25fr);
  gap: 26px;
  align-items: center;
  min-height: 250px;
  padding: 27px;
  overflow: hidden;
  border: 1px solid var(--sills-line);
  border-radius: 28px;
  color: var(--sills-dark);
  background: #fff;
  text-align: left;
  box-shadow: var(--sills-shadow-sm);
  cursor: pointer;
  transition: transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.sills-edge-card:hover {
  transform: translateY(-7px);
  border-color: #b7d4f5;
  box-shadow: var(--sills-shadow-md);
}
.sills-edge-card.is-selected {
  border-color: var(--sills-blue);
  box-shadow: 0 23px 65px rgba(22,112,234,.15);
}
.sills-edge-illustration {
  min-height: 150px;
  display: grid;
  place-items: center;
  border-radius: 21px;
  background: linear-gradient(135deg,#edf4fd,#dce9f8);
}
.sills-edge-illustration i {
  display: block;
  width: 76%;
  height: 74px;
  background: linear-gradient(180deg,#4d7dc1,#2c5fa8);
  box-shadow: 0 16px 27px rgba(30,83,153,.19);
}
.edge-flat i {
  clip-path: polygon(0 0,92% 0,100% 14%,100% 100%,0 100%);
}
.edge-half-c i { border-radius: 0 38px 0 0; }
.sills-edge-copy { display: grid; gap: 6px; }
.sills-edge-copy small {
  color: var(--sills-blue);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.sills-edge-copy strong { font-size: 18px; }
.sills-edge-copy em {
  color: var(--sills-muted);
  font-size: 11px;
  font-style: normal;
}
.sills-edge-check {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: transparent;
  background: #eef3f8;
  font-size: 14px;
  font-weight: 800;
}
.sills-edge-card.is-selected .sills-edge-check {
  color: #fff;
  background: var(--sills-blue);
}
.sills-edge-selection {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  margin-top: 24px;
  padding: 21px 24px;
  border: 1px solid #d4e1ef;
  border-radius: 22px;
  background: #fff;
}
.sills-edge-selection span,.sills-edge-selection strong { display: block; }
.sills-edge-selection span {
  color: var(--sills-muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}
.sills-edge-selection strong {
  margin-top: 3px;
  color: #0b4a9d;
  font-size: 18px;
}

.sills-water { padding-top: 0 !important; background: #f5f8fc; }
.sills-water-panel {
  display: grid;
  grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr);
  gap: 54px;
  align-items: center;
  overflow: hidden;
  padding: 52px;
  border-radius: 34px;
  color: #fff;
  background:
    radial-gradient(circle at 89% 7%, rgba(100,178,255,.28), transparent 29%),
    linear-gradient(135deg,#071f44,#0b59c2);
  box-shadow: var(--sills-shadow-md);
}
.sills-water-copy .section-label { color: #a3d0ff; }
.sills-water-copy h2 {
  margin: 10px 0 17px;
  font-size: clamp(35px,4vw,49px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
.sills-water-copy p { color: rgba(255,255,255,.72); line-height: 1.8; }
.sills-water-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 23px;
}
.sills-water-points span {
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  font-size: 10px;
  font-weight: 800;
}
.sills-water-diagram {
  position: relative;
  min-height: 330px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 25px;
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(7px);
}
.water-wall {
  position: absolute;
  left: 42px;
  top: 35px;
  bottom: 35px;
  width: 75px;
  border-radius: 10px;
  background: rgba(255,255,255,.86);
}
.water-window {
  position: absolute;
  left: 86px;
  top: 65px;
  width: 160px;
  height: 120px;
  border: 16px solid #152e4d;
  background: #cde5ff;
}
.water-sill {
  position: absolute;
  left: 88px;
  right: 38px;
  top: 190px;
  height: 55px;
  border-radius: 6px;
  background: linear-gradient(180deg,#75a0d3,#3b70b4);
  transform: rotate(-2deg);
  transform-origin: left center;
}
.water-channel {
  position: absolute;
  right: 76px;
  top: 241px;
  width: 38px;
  height: 10px;
  border-radius: 0 0 10px 10px;
  background: #071f44;
}
.water-flow {
  position: absolute;
  width: 12px;
  height: 18px;
  border-radius: 60% 40% 60% 40%;
  background: #8bd1ff;
  transform: rotate(45deg);
}
.flow-one { right: 87px; top: 270px; }
.flow-two { right: 51px; top: 294px; opacity: .65; }
.sills-water-diagram small {
  position: absolute;
  left: 18px;
  bottom: 15px;
  color: rgba(255,255,255,.65);
  font-size: 10px;
  font-weight: 700;
}

.sills-material-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
}
.sills-material-grid article {
  overflow: hidden;
  border: 1px solid var(--sills-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--sills-shadow-sm);
  transition: transform .3s ease,box-shadow .3s ease;
}
.sills-material-grid article:hover {
  transform: translateY(-7px);
  box-shadow: var(--sills-shadow-md);
}
.material-sample {
  display: block;
  height: 155px;
}
.material-granite {
  background:
    radial-gradient(circle at 20% 30%,#777 0 2px,transparent 3px),
    radial-gradient(circle at 65% 50%,#999 0 2px,transparent 3px),
    linear-gradient(135deg,#16181c,#52545b);
  background-size: 22px 22px,28px 28px,auto;
}
.material-marble {
  background:
    linear-gradient(120deg,transparent 34%,rgba(96,103,112,.25) 35%,transparent 37%),
    linear-gradient(135deg,#f2f2ef,#d9dcdf);
}
.material-quartz {
  background:
    radial-gradient(circle,#c8c1b2 0 1px,transparent 2px),
    linear-gradient(135deg,#eeeae1,#d7d0c2);
  background-size: 15px 15px,auto;
}
.sills-material-grid article > div { padding: 22px; }
.sills-material-grid small {
  color: var(--sills-blue);
  font-size: 10px;
  font-weight: 800;
}
.sills-material-grid h3 { margin: 6px 0 8px; font-size: 22px; }
.sills-material-grid p { margin: 0; color: var(--sills-muted); font-size: 11px; }
.sills-material-action { margin-top: 25px; text-align: center; }

.sills-process { background: #f5f8fc; }
.sills-process-panel {
  display: grid;
  grid-template-columns: minmax(0,.72fr) minmax(0,1.28fr);
  gap: 56px;
  padding: 48px;
  border: 1px solid var(--sills-line);
  border-radius: 34px;
  background: linear-gradient(135deg,#f8fbff,#fff);
  box-shadow: var(--sills-shadow-sm);
}
.sills-process-intro p { color: var(--sills-muted); }
.sills-process-list {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 14px;
}
.sills-process-list article {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--sills-line);
  border-radius: 20px;
  background: #fff;
  transition: transform .25s ease,border-color .25s ease;
}
.sills-process-list article:hover {
  transform: translateY(-5px);
  border-color: #b8d4f6;
}
.sills-process-list article > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--sills-blue);
  background: #eef6ff;
  font-size: 11px;
  font-weight: 800;
}
.sills-process-list h3 { margin: 0 0 6px; font-size: 15px; }
.sills-process-list p { margin: 0; color: var(--sills-muted); font-size: 11px; }

.sills-faq-grid {
  display: grid;
  grid-template-columns: minmax(0,.72fr) minmax(0,1.28fr);
  gap: 72px;
  align-items: start;
}
.sills-faq-intro .button { margin-top: 20px; }
.sills-faq-list { display: grid; gap: 12px; }
.sills-faq-list details {
  overflow: hidden;
  border: 1px solid var(--sills-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(16,40,72,.04);
}
.sills-faq-list summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}
.sills-faq-list summary::-webkit-details-marker { display: none; }
.sills-faq-list summary span {
  color: var(--sills-blue);
  font-size: 21px;
  transition: transform .25s ease;
}
.sills-faq-list details[open] summary span { transform: rotate(45deg); }
.sills-faq-list details p {
  margin: 0;
  padding: 0 22px 21px;
  color: var(--sills-muted);
  font-size: 12px;
}

.sills-cta { padding: 0 0 100px; }
.sills-cta-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 42px;
  align-items: center;
  padding: 50px 54px;
  border-radius: 34px;
  color: #fff;
  background:
    radial-gradient(circle at 87% 18%,rgba(106,177,255,.29),transparent 24%),
    linear-gradient(135deg,#062d67,#0b61d8);
  box-shadow: var(--sills-shadow-md);
}
.sills-cta-panel::before,
.sills-cta-panel::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
}
.sills-cta-panel::before { width: 320px; height: 320px; right: 120px; top: -245px; }
.sills-cta-panel::after { width: 210px; height: 210px; right: -80px; bottom: -150px; }
.sills-cta-panel > * { position: relative; z-index: 2; }
.sills-cta-panel .section-label { color: #9ecbff; }
.sills-cta-panel h2 {
  max-width: 800px;
  margin: 8px 0;
  font-size: clamp(33px,4vw,48px);
  line-height: 1.1;
}
.sills-cta-panel p { max-width: 720px; margin: 0; color: rgba(255,255,255,.73); }

[data-sills-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .72s ease,transform .72s cubic-bezier(.2,.75,.25,1);
}
[data-sills-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-sills-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .sills-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .sills-hero-copy { max-width: 760px; }
  .sills-hero-visual { max-width: 820px; min-height: 580px; }
  .sills-trust-grid { grid-template-columns: repeat(2,1fr); }
  .sills-trust article:nth-child(2) { border-right: 0; }
  .sills-trust article:nth-child(-n+2) { border-bottom: 1px solid var(--sills-line); }
  .sills-specification-grid,
  .sills-water-panel,
  .sills-process-panel,
  .sills-faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .sills-edge-card { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .sills-page .section { padding: 76px 0; }
  .sills-heading-row { grid-template-columns: 1fr; gap: 12px; }
  .sills-tab-panel { grid-template-columns: 1fr; gap: 34px; padding: 36px; }
  .sills-edge-grid,
  .sills-material-grid { grid-template-columns: 1fr; }
  .sills-edge-card { grid-template-columns: 210px 1fr; }
  .sills-edge-selection { flex-direction: column; align-items: flex-start; }
  .sills-process-list { grid-template-columns: 1fr; }
  .sills-cta-panel { grid-template-columns: 1fr; padding: 40px; }
}

@media (max-width: 620px) {
  .sills-page .section { padding: 64px 0; }
  .sills-hero { padding: 38px 0 64px; }
  .sills-hero-copy h1 { font-size: 43px; }
  .sills-hero-lead { font-size: 16px; }
  .sills-hero-points { grid-template-columns: 1fr; }
  .sills-hero-visual { min-height: 450px; }
  .sills-main-image { inset: 12px 30px 52px 0; border-radius: 25px; }
  .sills-measure-card { right: 0; top: 24px; transform: scale(.87); transform-origin: right top; }
  .sills-material-card { right: 4px; bottom: 6px; max-width: 250px; }
  .sills-trust { margin-top: -24px; }
  .sills-trust-grid { grid-template-columns: 1fr; }
  .sills-trust article { border-right: 0 !important; border-bottom: 1px solid var(--sills-line); }
  .sills-trust article:last-child { border-bottom: 0; }
  .sills-tab-controls { grid-template-columns: 1fr; }
  .sills-tab-panel { padding: 25px; }
  .sills-concept-visual { min-height: 280px; }
  .sills-specification-grid { gap: 32px; }
  .sills-measure-diagram { min-height: 405px; }
  .sills-diagram-window { width: 210px; height: 165px; }
  .sills-diagram-stone { top: 230px; }
  .sills-edge-card { grid-template-columns: 1fr; padding: 22px; }
  .sills-edge-illustration { min-height: 135px; }
  .sills-water-panel,
  .sills-process-panel { padding: 27px; border-radius: 26px; }
  .sills-water-diagram { min-height: 290px; }
  .sills-cta { padding-bottom: 74px; }
  .sills-cta-panel { padding: 30px 25px; border-radius: 26px; }
}