:root {
  --idbs-accent: #2fa6a2;
  --idbs-accent-dark: #1f7f7c;
  --idbs-lavender: #c9a4ff;
  --idbs-ink: #2e3e57;
  --idbs-muted: #56636a;
  --idbs-bg: #ffffff;
  --idbs-card: #ffffff;
  --idbs-shadow: 0 18px 40px rgba(46, 62, 87, 0.16);
}

.idbs-page {
  background-color: var(--idbs-bg);
  color: var(--idbs-ink);
}

.idbs-hero {
  position: relative;
  padding: 70px 0 60px;
  overflow: hidden;
}

.idbs-hero__intro {
  margin: 0 auto 28px;
}

.idbs-hero__features {
  margin: 0 auto;
}

.idbs-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("./img/top_barner1.png") center/cover no-repeat;
  opacity: 0.8;
  z-index: 0;
}

.idbs-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.6));
  z-index: 0;
}

.idbs-hero .container {
  position: relative;
  z-index: 1;
}

.idbs-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.idbs-brand__mark {
  background: var(--idbs-accent);
  color: #fff;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 1rem;
}

.idbs-brand__name {
  font-size: 1.5rem;
}

.idbs-hero__eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--idbs-accent-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.idbs-hero__title {
  font-size: clamp(1.7rem, 2.5vw, 2.3rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 18px;
}

.idbs-hero__lead {
  color: var(--idbs-muted);
  font-size: 1rem;
}

.idbs-hero__actions .btn {
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 600;
}

.idbs-hero__actions .btn-primary {
  background: var(--idbs-accent);
  border-color: var(--idbs-accent);
}

.idbs-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.idbs-hero__tag {
  background: rgba(47, 166, 162, 0.15);
  color: var(--idbs-accent-dark);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.idbs-hero__visual {
  max-width: 720px;
  min-width: 280px;
  width: 100%;
  aspect-ratio: 1822 / 1309;
  margin: 24px auto 0;
}

.idbs-hero__visual img {
  width: 100%;
  height: auto;
  box-shadow: var(--idbs-shadow);
  border-radius: 24px;
  background: #fff;
}

.idbs-section {
  padding: 60px 0;
}

.idbs-section__title {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin-bottom: 14px;
}

#usecases .idbs-section__title,
#lab-loop .idbs-section__title {
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  padding-bottom: 6px;
  border-bottom: 3px solid rgba(47, 166, 162, 0.6);
  color: var(--idbs-accent-dark);
}

.idbs-card {
  background: var(--idbs-card);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--idbs-shadow);
  border: 1px solid rgba(46, 62, 87, 0.12);
  height: 100%;
}

.idbs-card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: 12px;
}

.idbs-hero__features .idbs-card h3 {
  font-size: 1rem;
  line-height: 1.2;
  margin-bottom: 6px;
  white-space: nowrap;
}

.idbs-hero__features .idbs-card {
  text-align: center;
  border-color: rgba(47, 166, 162, 0.28);
  background: #ffffff;
  color: var(--idbs-ink);
  box-shadow: 0 12px 28px rgba(46, 62, 87, 0.18);
}

.idbs-hero__features .idbs-card h3 {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(47, 166, 162, 0.16);
  color: var(--idbs-accent-dark);
}

.idbs-hero__features .idbs-card p {
  color: var(--idbs-ink);
  text-align: left;
}

.idbs-card--horizontal {
  display: flex;
  align-items: center;
  gap: 18px;
}

.idbs-card--horizontal h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(47, 166, 162, 0.16);
  color: var(--idbs-accent-dark);
}

#usecases .idbs-card--horizontal {
  background: transparent;
  border: 1px solid rgba(46, 62, 87, 0.12);
  box-shadow: none;
}

#usecases .idbs-card__media {
  background: transparent;
}

.idbs-card__media {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: rgba(47, 166, 162, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.idbs-card--horizontal .idbs-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 0;
}

.usecase-icon {
  display: inline-block;
  background-color: #6b737a;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.usecase-icon--1 {
  -webkit-mask-image: url("./img/polar_usecase1.png");
  mask-image: url("./img/polar_usecase1.png");
}

.usecase-icon--2 {
  -webkit-mask-image: url("./img/polar_usecase2.png");
  mask-image: url("./img/polar_usecase2.png");
}

.usecase-icon--3 {
  -webkit-mask-image: url("./img/polar_usecase3.png");
  mask-image: url("./img/polar_usecase3.png");
}

.usecase-icon--4 {
  -webkit-mask-image: url("./img/polar_usecase4.png");
  mask-image: url("./img/polar_usecase4.png");
}

.left-nav-horizontal {
  margin: 0;
  padding: 12px;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--idbs-shadow);
}

.left-nav-sticky {
  position: sticky;
  top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.left-nav-fixed {
  position: fixed;
  top: 16px;
  z-index: 10;
}

.left-nav-placeholder {
  display: none;
}

.left-nav-cta {
  display: inline-block;
  text-align: center;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 600;
}

.left-nav-horizontal li {
  margin: 0;
  flex: 1 1 170px;
}

.left-nav-horizontal .left-nav-head {
  flex: 0 0 100%;
  font-weight: 700;
  color: var(--idbs-accent-dark);
  font-size: 15px;
  padding: 6px 4px 6px;
  border-bottom: 2px solid rgba(47, 166, 162, 0.35);
  margin-bottom: 2px;
}

.left-nav-horizontal a {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 76px;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(47, 166, 162, 0.12);
  color: var(--idbs-accent-dark);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.3;
  border: 1px solid rgba(47, 166, 162, 0.25);
}

.left-nav-horizontal a:hover,
.left-nav-horizontal a:focus {
  background: rgba(47, 166, 162, 0.22);
  color: var(--idbs-accent-dark);
}

.idbs-ring {
  max-width: 420px;
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--idbs-shadow);
}

.idbs-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.idbs-pill {
  padding: 6px 12px;
  background: rgba(201, 164, 255, 0.2);
  color: var(--idbs-ink);
  border-radius: 999px;
  font-size: 0.85rem;
}

.idbs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.idbs-list li {
  background: #fff;
  border-radius: 14px;
  padding: 12px 16px 12px 44px;
  position: relative;
  border: 1px solid rgba(46, 62, 87, 0.1);
}

.idbs-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 16px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--idbs-accent);
  box-shadow: 0 0 0 4px rgba(47, 166, 162, 0.2);
}

.idbs-list--plain {
  list-style: disc;
  display: block;
  padding-left: 1.3rem;
}

.idbs-list--plain li {
  background: transparent;
  border: none;
  padding: 0 0 8px 0;
}

.idbs-list--plain li::before {
  content: none;
}

.idbs-list--icon {
  list-style: none;
  display: grid;
  gap: 14px;
  padding: 0;
}

.idbs-list--icon li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: transparent;
  border: none;
  padding: 0;
}

.idbs-list__icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  margin-top: 2px;
}

.idbs-accordion .ui-accordion-header {
  background: #fff;
  border-radius: 12px;
  border: 1px solid rgba(46, 62, 87, 0.1);
  margin-bottom: 8px;
  padding: 12px 16px;
  font-weight: 600;
}

.idbs-accordion .ui-accordion-content {
  border: 1px solid rgba(46, 62, 87, 0.08);
  border-top: none;
  border-radius: 0 0 12px 12px;
  padding: 12px 16px 18px;
}

.idbs-cta {
  background: linear-gradient(120deg, rgba(47, 166, 162, 0.18), rgba(201, 164, 255, 0.2));
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--idbs-shadow);
}

.idbs-footer {
  padding: 30px 0 40px;
  color: var(--idbs-muted);
  font-size: 0.85rem;
}

@media (max-width: 992px) {
  .idbs-hero {
    padding-top: 50px;
  }

  .idbs-hero__visual {
    max-width: 540px;
  }
}

@media (max-width: 576px) {
  .idbs-hero__actions .btn {
    width: 100%;
  }

  .idbs-hero__actions .btn + .btn {
    margin-top: 10px;
  }
}