:root {
  --bg: #0f1114;
  --bg-2: #14171b;
  --card: #171a1f;
  --text: #ecf1f7;
  --muted: #b9c2cf;
  --accent: #44c0ff;
  --accent-2: #a0ffcb;
  --line: #22272f;
  --focus: #99d6ff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  --radius: 24px;
  --max: 1400px;
  --hero-max: 1800px;
  --light-green: #4cff4c;
  --red: #ff1919;
  --yellow-warning: #ffcc00;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(
      1200px 600px at 70% -10%,
      rgba(68, 192, 255, 0.08),
      transparent 60%
    ),
    var(--bg);
  color: var(--text);
  line-height: 1.2;
}

#main {
  display: flex;
  flex-flow: column;
  align-items: center;
}

#main section {
  padding: 4rem;
  width: 100%;
}

.yt-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid #ffffff18;
  cursor: pointer;
  background: #000;
}
.yt-embed img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}
.yt-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
}
.yt-play::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 22px;
  border-style: solid;
  border-width: 12px 0 12px 18px;
  border-color: transparent transparent transparent #000;
}

.yt-embed:focus {
  outline: 2px solid #4da3ff;
  outline-offset: 2px;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell,
    "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  background: radial-gradient(
      1200px 600px at 70% -10%,
      rgba(68, 192, 255, 0.08),
      transparent 60%
    ),
    var(--bg);
  color: var(--text);
  line-height: 1.2;
}

a {
  color: var(--text);
  text-decoration: none;
}

a.btn {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  background-size: 200% 200%;
  color: #061016;
  font-weight: 600;
  box-shadow: var(--shadow);
  animation: gradientMove 4s ease infinite;
  transition: transform 0.25s ease, filter 0.25s ease;
}

@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

a.btn:hover {
  transform: translateY(-0.1rem);
  filter: brightness(1.15);
}

a.btn.secondary {
  background: #ffffff10;
  color: var(--text);
  border: 1px solid #ffffff2a;
  box-shadow: none;
  justify-content: space-between;
  transition: background 0.2s ease-in-out, transform 0.2s ease-in-out;
}

a.btn.secondary button {
  background-color: transparent;
  appearance: none;
  border: none;
  color: var(--muted);
}

a.btn.secondary:hover {
  background: #ffffff18;
  transform: translateY(-0.1rem);
}

a.btn.secondary button:hover {
  color: var(--text);
}

a.btn.secondary .icon {
  background-size: cover;
  background-position: bottom center;
  background-repeat: no-repeat;
  margin-right: 0;
  border-radius: 0;
  transition: transform 0.2s ease-in-out;
  display: flex;
}

a.btn.secondary .icon.arrow {
  background-image: url(../images/icons/arrow.webp);
  width: 10px;
  height: 10px;
}

a.btn.secondary .icon.download {
  background-image: url(../images/icons/download.webp);
  width: 15px;
  height: 15px;
}

a.btn.secondary:hover .icon.arrow {
  transform: rotate(45deg);
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
}

.container.card.links {
  flex-flow: row;
  justify-content: space-between;
  align-items: center;
  gap: 4rem;
  padding: 2rem;
}

.feature-section {
  width: 100%;
}

.full-width-section {
  width: 100%;
}

.cta-section {
  width: 100%;
  padding: 2rem 0;
}

.fit-content {
  height: fit-content;
}

section .container {
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 20%, transparent);
  padding: 0 0 4rem 0;
  align-items: flex-start;
}

main > section:last-of-type > .container {
  border-bottom: none;
}

section.hero .container {
  border-bottom: none;
}

section.contact .container {
  align-items: flex-start;
  border-bottom: none;
}

.feature-section .first.container {
  padding: 2rem 0 4rem 0;
}

.feature-section .card {
  height: 100%;
  padding: 0;
}

.feature-section .card img {
  border-radius: 1.2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.feature-section .card img.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-section .card.white {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.15),
    rgba(255, 255, 255, 0.05)
  );
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
}

.feature-section .card.strongwhite {
  background-color: rgba(255, 255, 255, 0.88);
  background-image: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.94),
    rgba(255, 255, 255, 0.84)
  );
  backdrop-filter: blur(18px) saturate(105%);
  -webkit-backdrop-filter: blur(18px) saturate(105%);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.1);
  border: none;
}

@media (prefers-color-scheme: dark) {
  .feature-section .card.strongwhite {
    background-color: rgba(255, 255, 255, 0.82);
    background-image: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.88),
      rgba(255, 255, 255, 0.78)
    );
  }
}

.feature-section .card.blue {
  background: linear-gradient(
    180deg,
    rgba(9, 162, 221, 0.15),
    rgba(9, 162, 221, 0.05)
  );
  border: 1px solid rgba(9, 162, 221, 0.25);
  backdrop-filter: blur(10px);
}

.technical-guide .card.blue {
  background-color: #ecf7ff;
  background: linear-gradient(
    180deg,
    rgba(9, 162, 221, 0.08),
    rgba(9, 162, 221, 0.02)
  );
  border: 1px solid rgba(9, 162, 221, 0.15);
  backdrop-filter: blur(10px);
}

.card.volta {
  background-image: url(../images/volta-cover-vertical.webp);
  background-position: 85% 50%;
  background-size: 40%;
  background-repeat: no-repeat;
  background-color: linear-gradient(180deg, var(--card), #11151a);
}

.card.handle {
  background-image: url(../images/handle-pivot.webp);
  background-position: 50px 50%;
  background-blend-mode: multiply;
  background-size: cover;
  background-repeat: no-repeat;
  background-color: linear-gradient(180deg, var(--card), #11151a);
}

.card.pivot {
  background-image: url(../images/pivot-adaptor-set.webp);
  background-position: 90% 50%;
  background-blend-mode: multiply;
  background-size: 75%;
  background-repeat: no-repeat;
  background-color: linear-gradient(180deg, var(--card), #11151a);
}

.stack {
  display: grid;
  gap: 1rem;
  height: fit-content;
}
.stack.end {
  justify-content: end;
  align-self: flex-end;
}
.stack-lg {
  gap: 2rem;
}
.stack-xl {
  gap: 3rem;
}
.stack.credits {
  gap: 0.4rem;
  height: fit-content;
  align-self: center;
}
.stack.row {
  display: grid;
  grid-template-columns: 1fr;

  gap: 1rem;
}

.stack.row .btn {
  width: 100%;
}

.stack.image {
  min-height: 250px;
  height: 100%;
}

.image.center img{
  object-position: center;
}

.stack.buttons {
  min-width: 400px;
}

.stack.buttons.full {
  width: 100%;
}

.stack.buttons a.btn {
  justify-content: flex-start;
}

.row-gap {
  gap: 1rem;
  display: flex;
  flex-flow: column;
}

.stack.bottom-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  width: 50%;
  height: 100%;
}

#faq .muted {
  margin-bottom: 0;
  font-style: italic;
}

#filterBar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  width: 100%;
}

.features .color1 {
  background: linear-gradient(
    180deg,
    rgba(0, 180, 255, 0.1),
    rgba(17, 21, 26, 0.9)
  );
  border: 1px solid rgba(0, 180, 255, 0.25);
}

.features .color2 {
  background: linear-gradient(
    180deg,
    rgba(0, 255, 150, 0.1),
    rgba(17, 21, 26, 0.9)
  );
  border: 1px solid rgba(0, 255, 150, 0.25);
}

.features .color3 {
  background: linear-gradient(
    180deg,
    rgba(255, 100, 200, 0.1),
    rgba(17, 21, 26, 0.9)
  );
  border: 1px solid rgba(255, 100, 200, 0.25);
}

.features .card:hover,
.features .stat:hover {
  transform: translateY(-0.5rem);
}

.features .stat {
  flex-flow: column;
  column-gap: 1rem;
  align-items: flex-start;
  justify-content: center;
  transition: all 0.3s ease-in-out;
}

.features .point.stat {
  flex-flow: row;
  align-items: center;
}

.features .stat .icon {
  width: 20%;
  margin-right: 0;
  height: 100%;
  max-height: 50px;
  background-position: center bottom;
  background-size: contain;
}

.features .stat .icon.panel {
  background-image: url(../images/icons/door-panel.webp);
}

.features .stat .icon.battery {
  background-image: url(../images/icons/battery.webp);
}

.features .stat .icon.manual {
  background-image: url(../images/icons/manual-override.webp);
}

.features .stat .icon.sda {
  background-image: url(../images/icons/sda.webp);
}

.feature-section .container .stack .icon.performance {
  background-image: url(../images/icons/performance.webp);
}

.feature-section .container .stack .icon.strength {
  background-image: url(../images/icons/strength.webp);
}

.feature-section .container .stack .icon.control {
  background-image: url(../images/icons/safety.webp);
}

.feature-section .container .stack .icon.weather {
  background-image: url(../images/icons/weather.webp);
}

.feature-section .container .stack .icon.compatible {
  background-image: url(../images/icons/compatible.webp);
}

.stack img {
  border-radius: 14px;
  width: 100%;
  height: 100%;
  position: relative;
  object-fit: cover;
  object-position: left;
}

.padding-right {
  padding-right: 80px;
}

#contactForm .row {
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid.steps {
  gap: 1rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-component1 {
  grid-template-columns: 1.75fr 1.25fr;
}

.grid.grid-2.points {
  gap: 1rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-3.projects {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.technical-guide.grid-3 {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto;
}

.grid-3.components .card {
  justify-content: space-between;
}

.grid-3.projects {
  gap: 1rem;
}

.grid-3.projects .card {
  padding: 0;
}

.grid-3.projects .card .content {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid .group {
  display: flex;
  flex-flow: column;
  gap: 2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

footer .ciilock {
  margin-top: 4rem;
}

footer .ciilock p {
  text-align: center;
  transition: color 0.2s ease-in-out;
  font-size: 1em;
}

footer .ciilock p:hover {
  color: var(--accent);
}

@media (max-width: 1300px) {
  .grid-3.components {
    grid-template-columns: 1fr;
  }
  .card.volta {
    background-size: 250px;
  }
  .card.handle {
    background-size: 400px;
    background-position: 95% 50%;
  }
  .card.pivot {
    background-size: 300px;
    background-position: 92% 50%;
  }
}

@media (max-width:960px) {
  footer .grid-2 {
    gap: 2rem;
  }
  footer .ciilock p {
    text-align: left;
  }
}

@media (max-width: 900px) {
  .padding-right {
    padding-right: 0;
  }
  .technical-guide.grid-3 {
    grid-template-columns: 1fr;
  }
}

.skip {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip:focus {
  left: 10px;
  top: 10px;
  background: #fff;
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  z-index: 999;
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: linear-gradient(
    180deg,
    rgba(10, 12, 15, 0.8),
    rgba(10, 12, 15, 0.3)
  );
  border-bottom: 1px solid #ffffff14;
  padding: 0 4rem;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 100px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.brand .mark {
  height: 30px;
  width: 300px;
  border-radius: 0;
  background-image: url(../images/Volta-White.webp);
  background-size: contain;
  background-repeat: no-repeat;
}
.nav a {
  opacity: 0.9;
}
.nav a:hover {
  opacity: 1;
}

.nav a.active {
  color: var(--accent);
}

.nav a.btn.secondary.active {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.6)
  );
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px);
  color: var(--bg-2);
}

.menu {
  display: flex;
  gap: 2.75rem;
  align-items: center;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  padding: 0.45rem 0.6rem;
  border-radius: 0;
  color: var(--text);
  height: 100%;
  background-image: url(../images/icons/hamburger.webp);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}

@media (max-width: 1200px) {
  .menu {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .menu.open {
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: 100px;
    background: var(--bg-2);
    border-bottom: 1px solid #ffffff1a;
    padding: 1rem 20px;
    flex-direction: column;
  }
}

@media (max-width: 960px) {
  .feature-section .card.strongwhite {
    order: -1;
  }
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .container.features.grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .features .stat {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .container.features.grid-4 {
    grid-template-columns: 1fr;
    grid-area: 1rem;
  }
  .feature-section .first.container,
  .feature-section .container {
    padding: 0 0 2rem 0;
  }
}

.remove-border {
  border: none !important;
}

.hero {
  position: relative;
  padding: 8rem 0 6rem;
  overflow: hidden;
  width: 100%;
  border-bottom: 1px solid #ffffff1a;
}

.specify.hero {
  background-image: url(../images/motorised_roller.webp);
  background-size: 40%;
  background-repeat: no-repeat;
  background-position: 90% center;
  max-width: var(--hero-max);
  width: 100%;
}

.features.hero {
  background-image: url(../images/volta-cover.webp);
  background-size: 40%;
  background-repeat: no-repeat;
  background-position: 80% 22%;
  max-width: var(--hero-max);
  width: 100%;
}

.technical-guide.hero {
  background-image: url(../images/volta-install.webp);
  background-size: 60%;
  background-repeat: no-repeat;
  background-position: 90% 30%;
  max-width: var(--hero-max);
  width: 100%;
}

.projects.hero {
  background-image: url(../images/volta-roller-2.webp);
  background-size: 60%;
  background-repeat: no-repeat;
  background-position: 100% 0%;
  max-width: var(--hero-max);
  width: 100%;
}

.contact.hero {
  background-image: url(../images/volta-kit.webp);
  background-size: 35%;
  background-repeat: no-repeat;
  background-position: 85% 25%;
  max-width: var(--hero-max);
  width: 100%;
}

.story.hero {
  background-image: url(../images/volta-isometric.webp);
  background-size: 35%;
  background-repeat: no-repeat;
  background-position: 85% center;
  max-width: var(--hero-max);
  width: 100%;
}

.hero h1 {
  font-size: clamp(2.2rem, 3.5vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  letter-spacing: -0.3px;
  font-weight: 600;
}
.hero p.lede {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  margin: 0;
}
.hero .cta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
  width: fit-content;
}
.hero-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
}
.hero-media {
  margin-top: 2rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #ffffff1a;

  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  position: relative;
}

.hero-media.intro {
  background-image: url(../images/inspired-by.webp);
}

.hero-media.case-study-1 {
  background-image: url(../images/pushing-door.webp);
}

.hero-media .button {
  appearance: none;
  border: none;
  background: #00000018;
  color: #000;
  border: 1px solid #00000030;
  padding: 0.9rem 1.1rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  position: absolute;
  bottom: 1rem;
  right: 1rem;
}

.hero-media img,
.hero-media video {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.9;
}

.subnav {
  position: sticky;
  top: 100px;
  z-index: 40;
  background: linear-gradient(180deg, #0c0f13, #0f1318);
  border-top: 1px solid #ffffff0f;
  border-bottom: 1px solid #ffffff14;
  width: 100%;
}

.subnav .container {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.7rem 4rem;
}

.filters {
  position: sticky;
  top: 100px;
  z-index: 40;
  background: linear-gradient(180deg, #0c0f13, #0f1318);
  border-top: 1px solid #ffffff0f;
  border-bottom: 1px solid #ffffff14;
  width: 100%;
}

.filters .container {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  padding: 0.7rem 4rem;
  box-sizing: border-box;
  justify-self: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.8rem;
  margin-bottom: 0.4rem;
  border-radius: 999px;
  border: 1px solid #ffffff20;
  color: var(--muted);
}

.chip.active {
  border-color: var(--accent);
  color: var(--accent);
}

.chip[data-active="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

.chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

section {
  padding: 4rem 0;
}

section.feature-section {
  padding: 4rem 0 0 0;
}

.section-title {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  margin: 0;
  font-weight: 600;
  margin-bottom: 2rem;
}

.main-page .section-title {
  margin-bottom: 0;
}

.muted {
  color: var(--muted);
  list-style-type: none;
  padding-left: 0;
  margin-top: 0;
}

p.muted {
  margin-top: 0;
}

.margin-bottom {
  margin-bottom: 2rem;
}

.muted ul {
  padding-inline-start: 1.25rem;
}

.muted li {
  padding: 1rem;
  background-color: color-mix(in srgb, var(--muted) 10%, transparent);
  border-radius: 0.8rem;
  margin-bottom: 1rem;
}

.muted li.note {
  border: 0.1rem solid
    color-mix(in srgb, var(--yellow-warning) 40%, transparent);
  background-color: color-mix(in srgb, var(--yellow-warning) 20%, transparent);
}

.card {
  background: linear-gradient(180deg, var(--card), #11151a);
  border: 1px solid #ffffff18;
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  flex-flow: column;
  align-items: flex-start;
  justify-content: flex-start;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease-in-out;
}

.card.case-study {
  justify-content: space-between;
}

.card.top {
  margin-bottom: 2rem;
}

.position-top img {
  object-position: top;
}

.card .content {
  display: flex;
  flex-flow: column;
  gap: 1rem;
  width: 100%;
}

span.green {
  color: var(--light-green);
}

span.red {
  color: var(--red);
}

.muted.additional-info {
  margin-top: 2rem;
}
.card.additional-info {
  margin-top: 2rem;
}

.card .media {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin-bottom: 1rem;
}

.card img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card .specify img {
  height: 350px;
}

.card .product img {
  object-fit: contain;
  height: 300px;
}

.card .power img {
  background-color: #fdfdfd;
}

.card .panel img {
  object-fit: contain;
}

.card.video img {
  height: 100%;
}

.card h3,
.card h2 {
  margin-top: 1rem;
  margin-block-start: 0;
  margin-bottom: 0;
}

.subheading {
  margin-top: 0;
  font-size: 1em;
  font-style: italic;
}

.badge {
  position: absolute;
  left: 10px;
  top: 10px;
  background: #00000070;
  border: 1px solid #ffffff30;
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
}

.meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--muted);
}

.meta .pill {
  border: 1px solid #ffffff20;
  padding: 0.5rem 1rem;
  border-radius: 999px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0.8rem 0;
}

.quote {
  margin: 0.6rem 0 0.6rem;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding-left: 0.7rem;
}

.icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: inline-block;
  margin-right: 0.6rem;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
}

.icon.handsfree {
  background-image: url(../images/icons/phone.webp);
}
.icon.hidden {
  background-image: url(../images/icons/hidden.webp);
}
.icon.accessible {
  background-image: url(../images/icons/accessible.webp);
}
.icon.durable {
  background-image: url(../images/icons/residential.webp);
}
.icon.home {
  background-image: url(../images/icons/home.webp);
}
.icon.inclusive {
  background-image: url(../images/icons/inclusive.webp);
}
.icon.office {
  background-image: url(../images/icons/office.webp);
}
.icon.panel {
  background-image: url(../images/icons/door-panel.webp);
}
.icon.arrow {
  background-image: url(../images/icons/arrow.webp);
}

.band {
  border-top: 1px solid #ffffff14;
  border-bottom: 1px solid #ffffff14;
  padding: 2rem 4rem;
  width: 100%;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid #ffffff12;
  background: #0f1318;
}

.stat .label {
  color: var(--muted);
  font-size: 0.95rem;
}
.stat .value {
  font-size: 1.2rem;
  font-weight: 700;
}

.strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.strip .image {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  border: 1px solid #ffffff18;
  overflow: hidden;
  min-height: 250px;
}

.strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 55%;
}

.footer-group {
  display: flex;
  flex-flow: column;
  gap: 1rem;
}

footer .row .logo {
  max-height: 100px;
  object-fit: contain;
  width: fit-content;
}

.row.fitting {
  grid-template-columns: 0.25fr 1.75fr;
  gap: 1.2rem;
  padding: 1rem 0;
}

@media (max-width: 1400px) {
  .specify.hero {
    background-size: 50%;
  }
  .grid-3.projects {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .contact.hero  {
    background-size: 45%;
  }
}

@media (max-width: 1200px) {
  .specify.hero {
    background-size: 60%;
  }
  .story.hero {
    background-size: 55%;
  }
}

@media (max-width: 900px) {
  .strip {
    grid-template-columns: 1fr;
  }
  #filterBar {
    grid-template-columns: 1fr;
  }
  .filters .container {
    gap: 1.4rem;
  }
  .grid-3.projects {
    margin-top: 4rem;
  }
  .stat .value {
    font-size: 1rem;
  }
  .grid-component1 {
  grid-template-columns: 1fr;
  }
}

.cta-wide {
  border: 1px solid #ffffff18;
  border-radius: var(--radius);
  background: linear-gradient(90deg, #10151b, #0e1115);
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  flex-wrap: wrap;
  min-height: 300px;
}

.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono",
    monospace;
  font-size: 0.95em;
  background: #00000045;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  border: 1px solid #ffffff25;
}

.note {
  border-left: 3px solid var(--accent);
  padding-left: 0.8rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 1rem 0.5rem;
  border-bottom: 1px solid #ffffff18;
  text-align: left;
  vertical-align: top;
}

th {
  color: #dfe7f0;
  font-weight: 600;
}

.empty {
  padding: 1rem;
  border: 1px dashed #ffffff2a;
  border-radius: 12px;
  color: var(--muted);
}

details {
  border: 1px solid #ffffff18;
  border-radius: 12px;
  padding: 1.5rem;
  background: #0f1318;
}

details summary {
  margin-bottom: 0.2rem;
}

details + details {
  margin-top: 0.8rem;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

summary::-webkit-details-marker {
  display: none;
}

label {
  display: block;
  margin: 0.2rem 0 0.35rem;
}

input,
select,
textarea {
  width: 100%;
  background: #0c1015;
  border: 1px solid #ffffff26;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  color: var(--text);
}

input::placeholder,
textarea::placeholder {
  color: #8fa2b6;
}

.row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

footer .row  {
  gap: 4rem;
}

@media (max-width: 900px) {
  .row {
    grid-template-columns: 1fr;
  }
}

.help {
  color: var(--muted);
  font-size: 0.92rem;
}

.pill {
  border: 1px solid #ffffff24;
  padding: 2rem;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--muted);
  display: inline-block;
}

.list {
  margin: 0.6rem 0 0.2rem;
}

.list li {
  margin: 0.35rem 0;
}

.ok {
  border: 1px solid #27ae60;
  background: #27ae6020;
}

.error {
  border: 1px solid #e74c3c;
  background: #e74c3c20;
  display: none;
  padding: 1rem;
  border-radius: 12px;
}

.success {
  display: none;
  border: 1px solid #27ae60;
  background: #27ae6020;
  color: #eaffef;
  padding: 1rem;
  border-radius: 12px;
}

.required {
  color: var(--accent);
}

.lede {
  color: var(--muted);
  max-width: 70ch;
  line-height: 1.2;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  width: 100%;
}

.fact {
  border: 1px solid #ffffff18;
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  overflow: hidden;
  white-space: normal;
  overflow-wrap: normal;
  word-break: normal;
}

.fact .label {
  color: var(--muted);
  font-size: 0.9rem;
}

.fact .value {
  font-weight: 700;
}

@media (max-width: 960px) {
  .stack.end {
    justify-content: flex-start;
  }
  .footer-group {
    flex-flow: row;
}
}

@media (max-width: 900px) {
  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .filters {
    position: relative;
  }
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid #ffffff18;
  text-align: left;
  vertical-align: top;
}

.table th {
  color: #dfe7f0;
  font-weight: 600;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.gallery figure {
  margin: 0;
  border: 1px solid #ffffff18;
  border-radius: 12px;
  overflow: hidden;
}

.gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

@media (max-width: 900px) {
  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

dialog#lightbox {
  border: none;
  border-radius: 14px;
  padding: 0;
  max-width: min(1100px, 92vw);
  background: #000;
}

.lightbox-wrap {
  position: relative;
}

.lightbox-wrap img {
  display: block;
  width: 100%;
  height: auto;
}

.navbtn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #00000080;
  border: 1px solid #ffffff30;
  color: #fff;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
}

.navbtn.left {
  left: 6px;
}

.navbtn.right {
  right: 6px;
}

.closebtn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #00000080;
  border: 1px solid #ffffff30;
  color: #fff;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
}

footer {
  padding: 3rem 4rem 4rem 4rem;
  border-top: 1px solid #ffffff14;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.6s ease;
}

.reveal.show {
  opacity: 1;
  transform: none;
}

@media (max-width: 1300px) {
  .technical-guide.hero {
    background-size: 80%;
    background-position: 120% 0%;
  }
}

@media (max-width: 1200px) {
  .features.hero {
    background-size: 60%;
    background-position: 85% 20%;
  }
}

@media (max-width: 1080px) {
  .grid.grid-2.points {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr);
  }
}

@media (max-width: 960px) {
  .stack.image,
  strip .image {
    order: -1;
  }
  .features.hero {
    background-position: 80% 22%;
  }
}

@media (max-width: 900px) {
  .container.card.links {
    flex-flow: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .stack.buttons {
    width: 100%;
  }
  .hero {
    padding: 8rem 0 2rem;
  }
  section {
    padding: 2rem 0;
  }
  .stack {
    gap: 1rem;
  }
  section .container {
    padding: 0;
  }
  .feature-section .card.white {
    order: -1;
  }
  .feature-section .section-title {
    margin-bottom: 0;
    margin-top: 1rem;
  }
    .features.hero {
    background-size: 15%;
    background-position: 75% 5%;
    background-image: url(../images/volta-cover-vertical.webp);
  }
}

@media (max-width: 800px) {
  .grid-3.projects {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .card {
    padding: 1rem;
  }
  .card.pivot {
    background-size: 220px;
  }
  .card.volta {
    background-size: 100px;
  }
  .card.handle {
    background-size: 300px;
    background-position: 110%;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  a.btn {
    justify-content: flex-start;
  }
  a.btn.secondary {
    width: 100%;
  }
  .grid-3.components a.btn.secondary {
    width: fit-content;
  }
  .nav a.btn.secondary {
    width: fit-content;
  }
  .subnav {
    position: relative;
    top: 0;
  }
  .main.hero {
    background-image: url(../images/volta-cover-vertical.webp);
    background-size: 30%;
    background-position: 90% 10%;
    background-repeat: no-repeat;
  }
  .technical-guide.hero {
    background-size: 90%;
    background-position: 120% 0%;
  }
  .story.hero {
    background-position: 85% 35%;
  }
  header,
  footer {
    padding: 0 2rem;
  }
  footer {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  .stack.buttons {
    min-width: auto;
  }
  .brand .mark {
    width: fit-content;
    min-width: 100px;
  }
  #main section {
    padding: 2rem;
  }
}

@media (max-width: 450px) {
  .hero .cta {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(2, 1fr);
  }
  .features.hero {
    background-size: 30%;
    background-position: 80% 15%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
}