:root {
  --ink:#10151a;
  --muted:#626b73;
  --paper:#f7f8f4;
  --white:#fff;
  --lime:#b8df38;
  --blue:#bfe9f8;
  --sky:#65c7ea;
  --navy:#13202a;
  --warm:#f6efe6;
  --lav:#f1ecf8;
  --line:rgba(16,21,26,.10);
  --shadow:0 28px 80px rgba(19,32,42,.12);
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,Helvetica,Arial,sans-serif;
  line-height:1.42;
  overflow-x:hidden
}
a {
  color:inherit;
  text-decoration:none
}
button {
  font:inherit
}
.wrap {
  width:min(1240px,90vw);
  margin:auto
}
.small {
  font-size:.88rem;
  color:var(--muted)
}
.header {
  position:fixed;
  z-index:100;
  top:0;
  left:0;
  right:0;
  padding:12px 0;
  background:rgba(247,248,244,.78);
  backdrop-filter:blur(22px) saturate(1.4);
  border-bottom:1px solid rgba(16,21,26,.06)
}
.header-in {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px
}
.brand {
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:850;
  letter-spacing:-.02em
}
.brand-dot {
  width:36px;
  height:36px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--lime),var(--blue));
  display:grid;
  place-items:center;
  font-weight:900
}
.brand em {
  font-style:normal;
  color:#6c757d;
  font-weight:650
}
.nav {
  display:flex;
  gap:24px;
  font-size:.92rem;
  color:#313940
}
.nav a:hover {
  color:#000
}
.top-cta {
  padding:10px 16px;
  border-radius:999px;
  background:var(--navy);
  color:white;
  font-weight:800
}
.hero {
  min-height:100svh;
  display:grid;
  align-items:center;
  padding:120px 0 70px;
  position:relative
}
.hero-grid {
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:6vw
}
.eyebrow {
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:.78rem;
  font-weight:850;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#4a535b
}
.eyebrow:before {
  content:"";
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--lime)
}
h1 {
  font-size:clamp(58px,7.8vw,118px);
  line-height:.9;
  letter-spacing:-.065em;
  margin:18px 0 28px;
  font-weight:900
}
.hero-copy p {
  font-size:clamp(20px,2.05vw,30px);
  max-width:760px;
  color:#3f4850;
  margin:0 0 32px
}
.actions {
  display:flex;
  gap:12px;
  flex-wrap:wrap
}
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 20px;
  border-radius:999px;
  font-weight:820;
  border:1px solid rgba(16,21,26,.14);
  background:white
}
.btn.primary {
  background:var(--navy);
  color:#fff;
  border-color:var(--navy)
}
.btn:hover {
  transform:translateY(-1px)
}
.hero-art {
  height:min(72vh,680px);
  min-height:500px;
  border-radius:44px;
  position:relative;
  overflow:hidden;
  background:radial-gradient(circle at 25% 20%,#fff 0 10%,transparent 33%),linear-gradient(145deg,#dff4fb,#eef3de 52%,#dce6ea);
  box-shadow:var(--shadow)
}
.frame {
  position:absolute;
  inset:11% 13%;
  border:18px solid #d1b58e;
  border-radius:20px;
  background:linear-gradient(#bde4f2 0 56%,#dbe8c1 56%);
  box-shadow:inset 0 0 0 4px rgba(255,255,255,.7),0 24px 60px rgba(0,0,0,.14)
}
.frame:before {
  content:"";
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  width:13px;
  background:#d1b58e;
  transform:translateX(-50%)
}
.frame:after {
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:50%;
  height:13px;
  background:#d1b58e;
  transform:translateY(-50%)
}
.brand-card {
  position:absolute;
  left:7%;
  bottom:7%;
  padding:17px 22px;
  border-radius:22px;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(16px);
  box-shadow:0 16px 45px rgba(0,0,0,.10)
}
.viglass {
  font-weight:950;
  letter-spacing:-.06em;
  font-size:clamp(34px,4vw,58px);
  line-height:1
}
.viglass .g {
  color:#76bd22
}
.brand-card span {
  display:block;
  margin-top:5px;
  color:#5d6670
}
.section {
  padding:115px 0
}
.center {
  text-align:center
}
.center .lead {
  margin-left:auto;
  margin-right:auto
}
.kicker {
  font-size:.79rem;
  font-weight:850;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#64707a
}
.title {
  font-size:clamp(44px,6.4vw,88px);
  letter-spacing:-.055em;
  line-height:.96;
  margin:14px 0 24px;
  font-weight:900
}
.lead {
  font-size:clamp(20px,2.05vw,28px);
  color:#4a535b;
  max-width:900px;
  margin-top:0
}
.metrics {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:52px
}
.metric {
  border-radius:26px;
  padding:28px;
  text-align:left;
  border:1px solid var(--line);
  min-height:170px
}
.metric:nth-child(1) {
  background:#eef7da
}
.metric:nth-child(2) {
  background:#edf8fc
}
.metric:nth-child(3) {
  background:#f8efe5
}
.metric:nth-child(4) {
  background:#f3eef9
}
.metric b {
  display:block;
  font-size:clamp(34px,4vw,58px);
  letter-spacing:-.05em;
  line-height:1;
  margin-bottom:9px
}
.metric span {
  color:#53606a
}
.story {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:7vw;
  align-items:start
}
.sticky {
  position:sticky;
  top:100px;
  height:72vh;
  border-radius:40px;
  background:linear-gradient(145deg,#edf1ef,#dbe9ee);
  overflow:hidden;
  box-shadow:var(--shadow)
}
.glass-stage {
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  perspective:900px
}
.glass-unit {
  position:relative;
  width:70%;
  height:70%;
  transform-style:preserve-3d;
  transition:transform .35s ease
}
.pane {
  position:absolute;
  left:18%;
  top:8%;
  width:58%;
  height:82%;
  border:3px solid rgba(80,140,165,.42);
  background:linear-gradient(135deg,rgba(255,255,255,.66),rgba(125,205,235,.17));
  border-radius:8px;
  box-shadow:0 20px 45px rgba(38,80,95,.12)
}
.pane.one {
  transform:translateX(-35px) rotateY(-3deg)
}
.pane.two {
  transform:translateX(35px) rotateY(3deg)
}
.spacer {
  position:absolute;
  left:25%;
  top:15%;
  width:44%;
  height:68%;
  border:11px solid #848a8d;
  border-radius:4px;
  opacity:.88
}
.vacuum {
  position:absolute;
  left:18%;
  right:24%;
  top:50%;
  height:4px;
  background:var(--lime);
  box-shadow:0 0 18px rgba(184,223,56,.9);
  transform:scaleX(.2);
  transition:transform .4s ease
}
.compare-label {
  position:absolute;
  left:7%;
  bottom:7%;
  right:7%;
  padding:16px 18px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);
  border-radius:20px;
  font-weight:780
}
.story-copy {
  padding-top:4vh
}
.story-step {
  padding:10vh 0;
  border-bottom:1px solid var(--line)
}
.story-step h3 {
  font-size:clamp(32px,4vw,58px);
  letter-spacing:-.045em;
  line-height:1;
  margin:7px 0 14px
}
.story-step p {
  font-size:1.28rem;
  color:#4c555d;
  max-width:660px
}
.range {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:46px
}
.range-card {
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:28px;
  text-align:left;
  transition:.25s
}
.range-card:hover {
  transform:translateY(-5px);
  box-shadow:0 18px 48px rgba(0,0,0,.07)
}
.range-card .tag {
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  background:var(--blue);
  font-size:.72rem;
  font-weight:850;
  letter-spacing:.06em
}
.range-card b {
  display:block;
  font-size:clamp(42px,4vw,62px);
  letter-spacing:-.06em;
  margin:18px 0 4px
}
.range-card p {
  color:#59626a;
  margin-bottom:0
}
.note {
  margin-top:18px;
  color:#66717a;
  font-size:.9rem
}
.image-table-wrap {
  margin-top:38px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:18px;
  box-shadow:0 14px 45px rgba(0,0,0,.04)
}
.image-table-wrap img {
  display:block;
  width:100%;
  height:auto;
  border-radius:20px
}
.image-table-wrap {
  overflow:hidden
}
.image-table-wrap img {
  min-height:1px
}
.image-table-wrap .caption {
  padding:14px 8px 2px;
  color:#66717a;
  font-size:.94rem
}
.tech-visuals {
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  margin-top:42px
}
.tech-visual-card {
  background:#fff;
  border:1px solid var(--line);
  border-radius:30px;
  padding:18px;
  box-shadow:0 14px 45px rgba(0,0,0,.05)
}
.tech-visual-card img {
  display:block;
  width:100%;
  height:auto;
  border-radius:20px
}
.tech-visual-card .caption {
  padding:14px 8px 2px;
  color:#66717a;
  font-size:.95rem;
  text-align:left
}
.tech-visual-card strong {
  color:var(--ink)
}
.compare-boxes {
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  margin-top:42px
}
.compare-box {
  background:#fff;
  border:1px solid var(--line);
  border-radius:30px;
  padding:24px;
  box-shadow:0 14px 45px rgba(0,0,0,.05);
  display:grid;
  grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);
  gap:28px;
  align-items:center
}
.compare-copy {
  text-align:left
}
.compare-box .tag {
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  background:var(--blue);
  font-size:.72rem;
  font-weight:850;
  letter-spacing:.06em
}
.compare-box h3 {
  font-size:clamp(28px,3vw,42px);
  letter-spacing:-.03em;
  margin:14px 0 10px
}
.compare-box p {
  color:#59626a;
  margin:0 0 14px;
  font-size:1.05rem;
  line-height:1.55
}
.compare-box img {
  display:block;
  width:100%;
  height:auto;
  border-radius:20px;
  border:1px solid var(--line);
  background:#fff
}
.compare-box .mini {
  margin-top:12px;
  color:#66717a;
  font-size:.92rem;
  line-height:1.45
}
.section-spec {
  margin-top:18px;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  background:#fbfcfb
}
.section-spec table {
  width:100%;
  border-collapse:collapse;
  font-size:.92rem
}
.section-spec th,.section-spec td {
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top
}
.section-spec tr:last-child th,.section-spec tr:last-child td {
  border-bottom:0
}
.section-spec th {
  width:38%;
  font-weight:850;
  color:#26313a;
  background:#f4f7f6
}
.section-spec td {
  color:#4d5962
}
.compare-box.viglass-box .section-spec th {
  background:#f3f8e6
}
.compare-box.double-box .section-spec th {
  background:#eef8fc
}
.compare-box.triple-box .section-spec th {
  background:#f1f8f1
}
.compare-box.acoustic-box .section-spec th {
  background:#f6f1fb
}
.compare-box.viglass-box {
  border-color:#d9eaa7
}
.compare-box.double-box {
  border-color:#cae7f3
}
.compare-box.triple-box {
  border-color:#d6ead6
}
.compare-box.acoustic-box {
  border-color:#ddd3ec
}
.table-shell {
  overflow:auto;
  border-radius:28px;
  background:#fff;
  border:1px solid var(--line);
  margin-top:42px;
  box-shadow:0 14px 45px rgba(0,0,0,.04)
}
table {
  width:100%;
  border-collapse:collapse;
  min-width:940px
}
th,td {
  padding:21px 18px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top
}
th {
  font-size:.74rem;
  text-transform:uppercase;
  letter-spacing:.09em;
  background:#fbfcfa;
  color:#68727b
}
.c1 {
  background:#eef7da
}
.c2 {
  background:#f8efe5
}
.c3 {
  background:#edf8fc
}
.c4 {
  background:#f3eef9
}
td strong {
  font-size:1.08rem
}
.install {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:46px
}
.step {
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:28px;
  text-align:left
}
.step-no {
  width:44px;
  height:44px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--navy);
  color:white;
  font-weight:900;
  margin-bottom:22px
}
.step h3 {
  font-size:1.35rem;
  margin:0 0 9px
}
.step p {
  margin:0;
  color:#59626a
}
.video-placeholder {
  margin-top:24px;
  height:340px;
  border-radius:30px;
  background:linear-gradient(140deg,#111d26,#273b47);
  color:#fff;
  display:grid;
  place-items:center;
  position:relative;
  overflow:hidden
}
.video-placeholder:before {
  content:"";
  position:absolute;
  width:170px;
  height:170px;
  border-radius:50%;
  background:rgba(184,223,56,.12);
  box-shadow:0 0 0 45px rgba(191,233,248,.06)
}
.play {
  width:84px;
  height:84px;
  border-radius:50%;
  background:#fff;
  color:#111;
  display:grid;
  place-items:center;
  font-size:28px;
  padding-left:5px;
  z-index:1;
  box-shadow:0 18px 40px rgba(0,0,0,.25)
}
.video-caption {
  position:absolute;
  left:24px;
  bottom:20px;
  font-size:.94rem;
  color:#dce5ea
}
.tech {
  width:min(1320px,94vw);
  margin:20px auto 100px;
  background:var(--navy);
  color:#fff;
  border-radius:44px;
  padding:80px min(6vw,75px)
}
.tech .title {
  margin-top:10px
}
.tech .lead {
  color:#c7d0d6
}
.tech-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:15px;
  margin-top:40px
}
.tech-card {
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  border-radius:22px;
  padding:23px
}
.tech-card b {
  font-size:1.15rem
}
.tech-card p {
  color:#c5ced4;
  margin:7px 0 0
}
.docline {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px
}
.docpill {
  padding:9px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.09);
  font-size:.82rem;
  color:#dbe2e6
}
.faq {
  max-width:920px;
  margin:40px auto 0
}
.faq details {
  border-top:1px solid var(--line);
  padding:22px 0
}
.faq summary {
  cursor:pointer;
  font-weight:800;
  font-size:1.17rem
}
.faq p {
  color:#59626a;
  font-size:1.04rem
}


.retrofit-showcase.spotlight .wrap {
  background: linear-gradient(180deg, #f8fee7 0%, #ffffff 100%);
  border: 1px solid var(--line);
  border-radius: 42px;
  padding: 54px min(4vw, 42px);
  box-shadow: 0 20px 60px rgba(0,0,0,.05);
}
.retrofit-actions {
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:20px;
}
.btn.ghost {
  background:#fff;
  color:var(--ink);
  border:1px solid var(--line);
  box-shadow:none;
}
.btn.ghost:hover {
  border-color:#aab5bc;
  transform:translateY(-1px);
}

.retrofit-showcase {
  padding-top: 18px;
}
.retrofit-grid {
  display:grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(280px, .9fr);
  gap: 34px;
  align-items: start;
  margin-top: 34px;
}
.retrofit-figure {
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:18px;
  box-shadow:0 18px 52px rgba(0,0,0,.05);
}
.retrofit-figure img {
  width:100%;
  height:auto;
  border-radius:24px;
}
.retrofit-copy {
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:30px;
  box-shadow:0 18px 52px rgba(0,0,0,.05);
}
.retrofit-copy h3 {
  margin:0 0 14px;
  font-size:clamp(28px,3vw,42px);
  line-height:1.02;
  letter-spacing:-.04em;
}
.retrofit-copy p {
  margin:0 0 14px;
  color:#59626a;
  font-size:1.03rem;
}
.retrofit-bullets {
  display:grid;
  gap:12px;
  margin:22px 0;
}
.retrofit-bullets li {
  list-style:none;
  background:linear-gradient(180deg,#fbfdf8,#fff);
  border:1px solid var(--line);
  border-radius:22px;
  padding:14px 16px;
}
.retrofit-bullets strong {
  display:block;
  color:var(--ink);
  margin-bottom:4px;
}
.retrofit-note {
  color:#66717a;
  font-size:.95rem;
}

.cta-band {
  margin:0 auto 75px;
  width:min(1240px,90vw);
  border-radius:42px;
  padding:65px min(5vw,60px);
  background:linear-gradient(135deg,var(--lime),#dff7a4 46%,var(--blue));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px
}
.cta-band h2 {
  font-size:clamp(38px,5vw,68px);
  line-height:.97;
  letter-spacing:-.055em;
  margin:0;
  max-width:800px
}
.cta-band .btn {
  white-space:nowrap
}
.footer {
  padding:35px 0 48px;
  color:#68717a;
  font-size:.9rem;
  border-top:1px solid var(--line)
}
.footer-in {
  display:flex;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap
}
.reveal {
  opacity:1;
  transform:none
}
.js .reveal {
  opacity:0;
  transform:translateY(26px);
  transition:opacity .75s ease,transform .75s ease
}
.js .reveal.on {
  opacity:1;
  transform:none
}
@media(max-width:980px) {
  .nav {
    display:none
  }
  .compare-box {
    grid-template-columns:1fr
  }
  .hero-grid,.story, .retrofit-grid {
    grid-template-columns:1fr
  }
  .hero-art {
    height:560px
  }
  .sticky {
    position:relative;
    top:auto;
    height:550px
  }
  .metrics,.range,.install,.tech-grid {
    grid-template-columns:1fr 1fr
  }
  

.retrofit-showcase {
  padding-top: 18px;
}
.retrofit-grid {
  display:grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(280px, .9fr);
  gap: 34px;
  align-items: start;
  margin-top: 34px;
}
.retrofit-figure {
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:18px;
  box-shadow:0 18px 52px rgba(0,0,0,.05);
}
.retrofit-figure img {
  width:100%;
  height:auto;
  border-radius:24px;
}
.retrofit-copy {
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:30px;
  box-shadow:0 18px 52px rgba(0,0,0,.05);
}
.retrofit-copy h3 {
  margin:0 0 14px;
  font-size:clamp(28px,3vw,42px);
  line-height:1.02;
  letter-spacing:-.04em;
}
.retrofit-copy p {
  margin:0 0 14px;
  color:#59626a;
  font-size:1.03rem;
}
.retrofit-bullets {
  display:grid;
  gap:12px;
  margin:22px 0;
}
.retrofit-bullets li {
  list-style:none;
  background:linear-gradient(180deg,#fbfdf8,#fff);
  border:1px solid var(--line);
  border-radius:22px;
  padding:14px 16px;
}
.retrofit-bullets strong {
  display:block;
  color:var(--ink);
  margin-bottom:4px;
}
.retrofit-note {
  color:#66717a;
  font-size:.95rem;
}

.cta-band {
    flex-direction:column;
    align-items:flex-start
  }
}
@media(max-width:620px) {
  .wrap {
    width:min(92vw,600px)
  }
  .header {
    padding:9px 0
  }
  .brand em {
    display:none
  }
  .top-cta {
    font-size:.84rem;
    padding:9px 12px
  }
  .hero {
    padding-top:105px
  }
  .hero-grid {
    gap:38px
  }
  h1 {
    font-size:58px
  }
  .hero-art {
    height:430px;
    min-height:0;
    border-radius:30px
  }
  .frame {
    inset:10%;
    border-width:13px
  }
  .section {
    padding:78px 0
  }
  .metrics,.range,.install,.tech-grid {
    grid-template-columns:1fr
  }
  .retrofit-copy,
  .retrofit-figure {
    border-radius:28px;
    padding:18px;
  }
  .retrofit-showcase.spotlight .wrap {
    padding:32px 18px;
    border-radius:30px;
  }
  .retrofit-actions {
    flex-direction:column;
  }
  .sticky {
    height:420px;
    border-radius:28px
  }
  .story-step {
    padding:52px 0
  }
  .tech {
    padding:52px 24px;
    border-radius:30px
  }
  

.retrofit-showcase {
  padding-top: 18px;
}
.retrofit-grid {
  display:grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(280px, .9fr);
  gap: 34px;
  align-items: start;
  margin-top: 34px;
}
.retrofit-figure {
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:18px;
  box-shadow:0 18px 52px rgba(0,0,0,.05);
}
.retrofit-figure img {
  width:100%;
  height:auto;
  border-radius:24px;
}
.retrofit-copy {
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:30px;
  box-shadow:0 18px 52px rgba(0,0,0,.05);
}
.retrofit-copy h3 {
  margin:0 0 14px;
  font-size:clamp(28px,3vw,42px);
  line-height:1.02;
  letter-spacing:-.04em;
}
.retrofit-copy p {
  margin:0 0 14px;
  color:#59626a;
  font-size:1.03rem;
}
.retrofit-bullets {
  display:grid;
  gap:12px;
  margin:22px 0;
}
.retrofit-bullets li {
  list-style:none;
  background:linear-gradient(180deg,#fbfdf8,#fff);
  border:1px solid var(--line);
  border-radius:22px;
  padding:14px 16px;
}
.retrofit-bullets strong {
  display:block;
  color:var(--ink);
  margin-bottom:4px;
}
.retrofit-note {
  color:#66717a;
  font-size:.95rem;
}

.cta-band {
    padding:45px 24px;
    border-radius:30px
  }
  .video-placeholder {
    height:260px
  }
  .range-card b {
    font-size:50px
  }
}

/* === VacuSklo production responsive v2 === */

/* Media must never force horizontal scrolling. */
img,
picture,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

.responsive-picture {
  width: 100%;
  min-width: 0;
}

.responsive-picture > img,
.responsive-image {
  width: 100%;
  height: auto;
}

/* Technical images in the four comparison boxes keep their natural ratio,
   shrink on small screens and never get cropped. */
.compare-box .responsive-picture {
  display: grid;
  place-items: center;
}

.compare-image {
  width: min(100%, 420px) !important;
  max-width: 100%;
  height: auto !important;
  object-fit: contain;
  object-position: center;
}

.compare-box,
.compare-copy,
.section-spec,
.table-shell {
  min-width: 0;
}

/* Accessible helper text for table captions. */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Keyboard focus stays obvious. */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 4px;
  border-radius: 8px;
}

/* Large data tables scroll inside their own container, never the page. */
.table-shell,
.section-spec {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

/* Interactive glass demo is driven by a data attribute, not inline styles. */
#storyDemo[data-state="double"] .spacer { opacity: .90; }
#storyDemo[data-state="double"] .vacuum { transform: scaleX(.20); }
#storyDemo[data-state="double"] .glass-unit { transform: rotateY(0deg); }

#storyDemo[data-state="vacuum"] .spacer { opacity: .08; }
#storyDemo[data-state="vacuum"] .vacuum { transform: scaleX(1); }
#storyDemo[data-state="vacuum"] .glass-unit { transform: rotateY(-7deg); }

#storyDemo[data-state="frame"] .spacer { opacity: .08; }
#storyDemo[data-state="frame"] .vacuum { transform: scaleX(1); }
#storyDemo[data-state="frame"] .glass-unit { transform: rotateY(7deg) scale(.94); }

/* Respect users who prefer reduced motion. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal,
  .js .reveal,
  .js .reveal.on {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 980px) {
  .assessment-grid { grid-template-columns:1fr; }
  .assessment-action { align-items:flex-start; flex-direction:column; }
  .compare-box {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .compare-image {
    width: min(100%, 400px) !important;
  }
}

@media (max-width: 620px) {
  .compare-box {
    padding: 16px;
    border-radius: 22px;
    gap: 16px;
  }

  .compare-image {
    width: min(100%, 360px) !important;
  }

  .compare-box h3 {
    font-size: clamp(26px, 8vw, 36px);
  }

  .section-spec table {
    min-width: 0;
    font-size: .86rem;
  }

  .section-spec th,
  .section-spec td {
    padding: 9px 10px;
  }

  .table-shell table {
    min-width: 760px;
  }
}

/* SEO-visible content and footer links */
.hero h1 span{color:var(--ink)}
.seo-locality{padding-top:40px}
.footer-links a{text-decoration:underline;text-underline-offset:3px}
.footer-links a:hover{text-decoration-thickness:2px}


/* Anchor targets stay visible below the fixed header. */
section[id],
main[id] {
  scroll-margin-top: 92px;
}

/* Quick window assessment */
.assessment {
  background: linear-gradient(180deg, rgba(191,233,248,.18), rgba(184,223,56,.09));
}

.assessment-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:42px;
}

.assessment-card {
  background:var(--white);
  border:1px solid var(--line);
  border-radius:28px;
  padding:28px;
  box-shadow:0 14px 42px rgba(0,0,0,.045);
}

.assessment-no {
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--navy);
  color:#fff;
  font-weight:900;
  margin-bottom:18px;
}

.assessment-card h3 {
  margin:0 0 9px;
  font-size:1.35rem;
}

.assessment-card p {
  margin:0;
  color:#59626a;
}

.assessment-action {
  margin-top:20px;
  padding:24px 26px;
  border-radius:26px;
  background:var(--white);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.assessment-action > div {
  max-width:720px;
  color:#4d5861;
}

/* === FINAL MOBILE ALIGNMENT FIX 2026-09-27 ===
   Keep every section, card and image inside the phone viewport.
   These rules intentionally come last so they override older layout rules. */
@media (max-width: 980px) {
  .retrofit-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    width: 100%;
    max-width: 100%;
  }

  .retrofit-figure,
  .retrofit-copy,
  .compare-box,
  .assessment-card,
  .assessment-action {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
}

@media (max-width: 620px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .wrap,
  .header-in,
  .footer-in {
    width: calc(100% - 28px) !important;
    max-width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    box-sizing: border-box;
  }

  .hero-grid,
  .story,
  .retrofit-grid,
  .compare-boxes,
  .assessment-grid,
  .metrics,
  .range,
  .install,
  .tech-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    width: 100%;
    max-width: 100%;
  }

  .hero-copy,
  .story-copy,
  .compare-copy,
  .retrofit-copy,
  .retrofit-figure,
  .tech-visual-card,
  .image-table-wrap,
  .section-spec,
  .assessment-card,
  .assessment-action {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  h1 {
    font-size: clamp(42px, 13vw, 58px) !important;
    line-height: .95;
    overflow-wrap: anywhere;
  }

  .title,
  .cta-band h2,
  .retrofit-copy h3,
  .compare-box h3 {
    overflow-wrap: anywhere;
  }

  .responsive-picture,
  .responsive-image,
  .retrofit-figure img,
  .compare-box img,
  .tech-visual-card img,
  .image-table-wrap img {
    display: block;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin-left: auto;
    margin-right: auto;
    object-fit: contain;
  }

  .retrofit-showcase.spotlight .wrap {
    width: calc(100% - 28px) !important;
    max-width: 100% !important;
    padding: 26px 14px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    border-radius: 26px;
    box-sizing: border-box;
  }

  .retrofit-grid {
    gap: 18px !important;
    margin-top: 24px;
  }

  .retrofit-figure,
  .retrofit-copy {
    padding: 14px !important;
    border-radius: 24px !important;
  }

  .retrofit-bullets {
    padding: 0;
  }

  .retrofit-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .retrofit-actions .btn,
  .assessment-action .btn,
  .cta-band .btn {
    width: 100%;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    justify-content: center;
    box-sizing: border-box;
  }

  .cta-band {
    width: calc(100% - 28px) !important;
    max-width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    box-sizing: border-box;
  }

  .section-spec {
    overflow-x: hidden;
  }

  .section-spec table {
    width: 100% !important;
    min-width: 0 !important;
    table-layout: fixed;
  }

  .section-spec th,
  .section-spec td {
    overflow-wrap: anywhere;
    word-break: normal;
  }
}

/* === FINAL PHONE ALIGNMENT HOTFIX ===
   Assessment CTA was still inheriting an older horizontal flex rule. */
@media (max-width: 620px) {
  .assessment-action {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 16px !important;
    padding: 18px !important;
  }

  .assessment-action > div {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .assessment-action .btn {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
  }
}

/* Final alignment correction: <figure> has browser default side margins. */
.retrofit-figure {
  margin: 0;
}

@media (max-width: 620px) {
  .retrofit-figure {
    margin: 0 !important;
  }
}

/* === MOBILE ALIGNMENT FINAL v6 ===
   One consistent content column on phones. Kept at the very end intentionally. */
@media (max-width: 620px) {
  *, *::before, *::after { box-sizing: border-box; }

  html, body, main {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: clip !important;
  }

  .wrap,
  .header-in,
  .footer-in,
  .cta-band,
  .tech,
  .retrofit-showcase.spotlight .wrap {
    width: calc(100% - 24px) !important;
    max-width: 600px !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }

  .hero-grid,
  .story,
  .metrics,
  .range,
  .install,
  .tech-grid,
  .assessment-grid,
  .compare-boxes,
  .retrofit-grid,
  .compare-box {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .metric,
  .range-card,
  .step,
  .tech-card,
  .assessment-card,
  .assessment-action,
  .compare-box,
  .compare-copy,
  .retrofit-figure,
  .retrofit-copy,
  .tech-visual-card,
  .image-table-wrap,
  .section-spec,
  .video-placeholder {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .assessment-action {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 16px !important;
  }

  .assessment-action > div,
  .retrofit-actions,
  .retrofit-actions > * {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .retrofit-actions {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .btn,
  .assessment-action .btn,
  .retrofit-actions .btn,
  .cta-band .btn {
    max-width: 100% !important;
    white-space: normal !important;
  }

  .assessment-action .btn,
  .retrofit-actions .btn,
  .cta-band .btn {
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    text-align: center !important;
  }

  picture,
  .responsive-picture,
  img,
  .responsive-image,
  .compare-image,
  .compare-box img,
  .retrofit-figure img,
  .tech-visual-card img,
  .image-table-wrap img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin-left: auto !important;
    margin-right: auto !important;
    object-fit: contain !important;
  }

  .section-spec {
    overflow: hidden !important;
  }

  .section-spec table {
    width: 100% !important;
    min-width: 0 !important;
    table-layout: fixed !important;
  }

  .section-spec th,
  .section-spec td {
    overflow-wrap: anywhere !important;
  }

  .table-shell {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  h1, h2, h3, p, .lead, .caption, .mini {
    max-width: 100% !important;
    overflow-wrap: break-word;
  }
}


/* === LANA + VacuSklo brand polish === */
.site-topline {
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:36px;
  background:var(--navy);
  color:#fff;
  border-bottom:3px solid transparent;
  border-image:linear-gradient(90deg,var(--lime),var(--blue)) 1;
}
.topline-in {height:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;}
.topline-brand {display:flex;align-items:center;gap:9px;min-width:0;font-size:.78rem;letter-spacing:.01em;}
.topline-brand picture,.topline-brand img {width:26px;height:26px;flex:0 0 26px;}
.topline-brand img {border-radius:50%;object-fit:contain;}
.topline-brand em {font-style:normal;color:#c8d3d9;font-weight:500;margin-left:5px;}
.topline-link {font-size:.76rem;font-weight:800;color:#dff7a4;white-space:nowrap;}
.header {top:36px;}
.hero {padding-top:156px;}
.vacusklo-mark {width:42px;height:42px;border-radius:14px;display:grid;grid-template-columns:1fr 1fr;place-items:center;background:linear-gradient(135deg,var(--blue),#fff 48%,var(--lime));box-shadow:0 8px 24px rgba(19,32,42,.10);font-weight:950;letter-spacing:-.08em;color:var(--navy);}
.vacusklo-mark b {color:#72a90d;}
.brand-copy {display:flex;flex-direction:column;line-height:1.04;}
.brand-copy strong {font-size:1rem;}
.brand-copy em {font-size:.72rem;margin-top:4px;color:#707a82;font-style:normal;font-weight:700;letter-spacing:.01em;}
.header-lana {display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(19,32,42,.08);overflow:hidden;flex:0 0 46px;}
.header-lana img {width:42px;height:42px;object-fit:contain;}
.hero-lana-link {margin:-14px 0 22px;color:#657078;font-size:.92rem;}
.hero-lana-link a {color:var(--ink);text-decoration:underline;text-decoration-color:rgba(16,21,26,.25);text-underline-offset:3px;}
.footer-brandline {display:flex;align-items:center;gap:14px;max-width:520px;color:#4f5a62;}
.footer-lana {width:58px;height:58px;flex:0 0 58px;border-radius:50%;overflow:hidden;background:#fff;border:1px solid var(--line);}
.footer-lana img {width:100%;height:100%;object-fit:contain;}
.footer-brandline span {color:#7a838a;font-size:.86rem;}
@media(max-width:980px){
  .header-lana{display:none;}
}
@media(max-width:620px){
  .site-topline{height:38px;}
  .topline-brand{font-size:.72rem;}
  .topline-brand em{display:none;}
  .topline-link{display:none;}
  .header{top:38px;}
  .hero{padding-top:145px;}
  .brand-copy em{display:none;}
  .brand-copy strong{font-size:.92rem;}
  .vacusklo-mark{width:38px;height:38px;border-radius:12px;}
  .footer-brandline{align-items:flex-start;}
}

/* === iPHONE SAFE AREA + WIDTH FIX v7 ===
   Prevent text from sliding under the notch/Dynamic Island in landscape
   and keep the whole mobile layout inside the visible viewport. */
@media (max-width: 980px) {
  html, body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  .wrap,
  .header-in,
  .footer-in {
    width: auto !important;
    max-width: none !important;
    margin-left: max(14px, env(safe-area-inset-left)) !important;
    margin-right: max(14px, env(safe-area-inset-right)) !important;
  }

  .site-topline .topline-in {
    width: auto !important;
    max-width: none !important;
    margin-left: max(10px, env(safe-area-inset-left)) !important;
    margin-right: max(10px, env(safe-area-inset-right)) !important;
  }

  .cta-band {
    width: auto !important;
    max-width: none !important;
    margin-left: max(14px, env(safe-area-inset-left)) !important;
    margin-right: max(14px, env(safe-area-inset-right)) !important;
  }

  .retrofit-showcase.spotlight .wrap {
    width: auto !important;
    max-width: none !important;
    margin-left: max(14px, env(safe-area-inset-left)) !important;
    margin-right: max(14px, env(safe-area-inset-right)) !important;
  }

  .topline-brand,
  .brand,
  .brand-copy,
  .hero-copy,
  .story-copy,
  .compare-copy,
  .retrofit-copy {
    min-width: 0 !important;
  }

  h1, h2, h3, p, .lead, .caption, .mini,
  .topline-brand, .brand-copy {
    overflow-wrap: break-word !important;
    word-break: normal !important;
  }
}

@media (orientation: landscape) and (max-height: 620px) {
  .wrap,
  .header-in,
  .footer-in,
  .site-topline .topline-in,
  .cta-band,
  .retrofit-showcase.spotlight .wrap {
    margin-left: max(18px, env(safe-area-inset-left)) !important;
    margin-right: max(18px, env(safe-area-inset-right)) !important;
  }
}

/* Taller LANA banner and a clear route to the company's other work. */
.site-topline {height:56px;}
.topline-brand {gap:12px;font-size:1rem;font-weight:700;}
.topline-brand strong {color:#fff;font-weight:900;letter-spacing:.015em;}
.topline-brand picture,.topline-brand img {width:38px;height:38px;flex:0 0 38px;}
.topline-brand em {font-size:.82rem;}
.topline-link {display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid rgba(184,223,56,.6);border-radius:999px;color:#e8ffa9;font-size:.86rem;line-height:1.2;}
.topline-link:hover,.topline-link:focus-visible {background:var(--lime);color:var(--navy);}
.topline-link-mobile {display:none;}
.header {top:56px;}
.hero {padding-top:176px;}
@media (max-width:620px) {
  .site-topline {height:78px;}
  .topline-in {flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;}
  .topline-brand {font-size:.9rem;gap:9px;line-height:1.1;}
  .topline-brand picture,.topline-brand img {width:32px;height:32px;flex:0 0 32px;}
  .topline-brand em {display:none;}
  .topline-link {display:inline-flex;margin-left:41px;padding:0;border:0;border-radius:0;font-size:.78rem;white-space:normal;}
  .topline-link-desktop {display:none;}
  .topline-link-mobile {display:inline;}
  .header {top:78px;}
  .hero {padding-top:185px;}
}

/* Mobile section navigation in the dark LANA bar. */
.mobile-menu {display:none;}
@media (max-width:980px) {
  .site-topline .topline-in {position:relative;}
  .topline-brand em,.topline-link {display:none;}
  .mobile-menu {display:block;position:absolute;right:0;top:8px;z-index:130;}
  .menu-toggle {position:absolute;opacity:0;width:1px;height:1px;}
  .menu-trigger {position:relative;z-index:3;display:flex;align-items:center;justify-content:center;gap:7px;min-width:72px;min-height:40px;padding:7px 10px;border:1px solid rgba(255,255,255,.48);border-radius:10px;color:#fff;font-size:.78rem;font-weight:800;cursor:pointer;}
  .menu-toggle:focus-visible + .menu-trigger {outline:3px solid var(--lime);outline-offset:2px;}
  .menu-backdrop {display:none;position:fixed;inset:0;z-index:1;background:rgba(19,32,42,.22);cursor:default;}
  .menu-toggle:checked ~ .menu-backdrop {display:block;}
  .menu-bars {display:flex;flex-direction:column;gap:4px;}
  .menu-bars i {display:block;width:18px;height:2px;border-radius:2px;background:var(--lime);}
  .mobile-menu-panel {display:none;position:absolute;z-index:2;right:0;top:calc(100% + 12px);flex-direction:column;width:min(320px,calc(100vw - 28px));max-height:calc(100vh - 125px);overflow-y:auto;padding:8px;background:#fff;color:var(--navy);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px rgba(19,32,42,.22);}
  .menu-toggle:checked ~ .mobile-menu-panel {display:flex;}
  .mobile-menu-panel a {display:block;padding:11px 13px;border-radius:9px;font-weight:700;line-height:1.25;}
  .mobile-menu-panel a:hover,.mobile-menu-panel a:focus-visible {background:#edf7d3;}
  .mobile-menu-panel .mobile-menu-lana {margin-top:4px;border-top:1px solid var(--line);border-radius:0;color:#456800;}
  section[id],main[id] {scroll-margin-top:140px;}
}
@media (max-width:620px) {
  .site-topline .topline-in {padding-right:76px;}
  .topline-link {display:inline-flex;}
  .mobile-menu {right:0;top:19px;}
  .menu-trigger {min-width:66px;padding:7px 8px;}
  .mobile-menu-panel {max-height:calc(100vh - 160px);}
  section[id],main[id] {scroll-margin-top:165px;}
}

/* Linked LANA logos across the page. */
.topline-brand picture,.topline-brand img {width:44px;height:44px;flex:0 0 44px;}
.header-lana {width:58px;height:58px;flex-basis:58px;}
.header-lana img {width:54px;height:54px;}
.hero-lana-link {display:flex;align-items:center;gap:13px;margin:-2px 0 22px;line-height:1.35;}
.hero-lana-logo {display:block;flex:0 0 68px;width:68px;height:68px;border-radius:50%;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(19,32,42,.10);}
.hero-lana-logo img,.cta-lana-logo img {display:block;width:100%;height:100%;object-fit:contain;}
.cta-lana-logo {display:block;width:70px;height:70px;margin-bottom:12px;border-radius:50%;overflow:hidden;background:#fff;border:1px solid rgba(19,32,42,.12);box-shadow:0 8px 20px rgba(19,32,42,.10);}
.footer-lana {width:76px;height:76px;flex-basis:76px;}
.hero-lana-logo:hover,.cta-lana-logo:hover,.footer-lana:hover,.header-lana:hover {outline:3px solid var(--lime);outline-offset:2px;}
@media (max-width:620px) {
  .topline-brand picture,.topline-brand img {width:38px;height:38px;flex:0 0 38px;}
  .hero-lana-logo {width:60px;height:60px;flex-basis:60px;}
  .cta-lana-logo {width:62px;height:62px;}
  .footer-lana {width:66px;height:66px;flex-basis:66px;}
}

/* Real workshop photos: conventional insulating glass in an existing wood frame. */
.classic-retrofit {background:#f0f5f3;}
.classic-retrofit-intro {max-width:960px;margin:0 auto 38px;text-align:center;}
.classic-retrofit-photos {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.classic-retrofit-card {min-width:0;margin:0;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 16px 38px rgba(19,32,42,.07);}
.classic-retrofit-card img {display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:cover;object-position:center;}
.classic-retrofit-card figcaption {display:grid;gap:6px;padding:17px 19px 21px;line-height:1.35;}
.classic-retrofit-card figcaption strong {font-size:1.1rem;color:var(--ink);}
.classic-retrofit-card figcaption span {color:var(--muted);}
.classic-retrofit-note {display:flex;align-items:center;justify-content:space-between;gap:26px;margin-top:24px;padding:23px 26px;border:1px solid var(--line);border-radius:22px;background:#fff;}
.classic-retrofit-note p {max-width:810px;margin:0;color:#465159;}
.classic-retrofit-note .btn {flex:0 0 auto;}
@media (max-width:980px) {
  .classic-retrofit-photos {gap:12px;}
  .classic-retrofit-note {flex-direction:column;align-items:flex-start;}
}
@media (max-width:620px) {
  .classic-retrofit-photos {grid-template-columns:minmax(0,1fr);gap:18px;}
  .classic-retrofit-card img {aspect-ratio:auto;max-width:100%;}
  .classic-retrofit-note {padding:20px;}
}