.landing-shell {
  overflow: hidden;
  background: #eef3f7;
}

.landing-main {
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.landing-content {
  width: min(1240px, 100%);
  min-height: 100%;
  margin: 0 auto;
  padding: clamp(34px, 4.5vw, 58px) clamp(22px, 4vw, 52px) clamp(46px, 6vw, 72px);
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(410px, 0.95fr);
  align-items: stretch;
  gap: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(38px, 5vw, 58px);
  border-bottom: 1px solid var(--line-strong);
}

.landing-hero-copy {
  grid-column: 1;
  align-self: center;
  max-width: 680px;
  padding: 8px 0;
}

.landing-eyebrow {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.landing-hero h1 {
  max-width: 660px;
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(37px, 4.5vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.038em;
}

.landing-intro {
  max-width: 680px;
  margin: 20px 0 0;
  color: #4d6074;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.6;
}

.tool-section {
  padding-top: clamp(34px, 4.5vw, 50px);
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(23px, 2.4vw, 31px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.tool-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--ink);
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(7, 19, 33, 0.06);
  text-decoration: none;
  transition: border-color 130ms ease, box-shadow 130ms ease;
}

.tool-card:hover,
.tool-card:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 5px 16px rgba(7, 19, 33, 0.09);
}

.tool-card-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 7;
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line-strong);
  background: #f4f7fa;
}

.tool-card-visual img {
  position: absolute;
  display: block;
  max-width: none;
  height: 100%;
  object-fit: cover;
}

.oas-card-visual {
  background:
    radial-gradient(circle at 68% 24%, rgba(39, 166, 177, 0.2), transparent 28%),
    linear-gradient(155deg, #10273d 0%, #071321 68%);
}

.oas-card-scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
  perspective: 700px;
}

.oas-card-scene::before,
.oas-card-scene::after {
  position: absolute;
  inset: -28% -10%;
  content: "";
  background-image:
    linear-gradient(rgba(152, 216, 220, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(152, 216, 220, 0.13) 1px, transparent 1px);
  background-size: 28px 28px;
  transform: rotateX(62deg) rotateZ(-13deg);
}

.oas-card-scene::after {
  opacity: 0.28;
  transform: rotateX(62deg) rotateZ(-13deg) translateY(28px);
}

.oas-card-runway,
.oas-card-surface,
.oas-card-path {
  position: absolute;
  display: block;
}

.oas-card-runway {
  top: 24%;
  left: 48%;
  width: 8%;
  height: 72%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(189, 201, 214, 0.2);
  transform: rotate(31deg);
}

.oas-card-surface {
  top: 10%;
  left: 19%;
  width: 58%;
  height: 88%;
  border: 1px solid rgba(152, 216, 220, 0.55);
  background: rgba(8, 127, 140, 0.24);
  clip-path: polygon(42% 0, 58% 0, 100% 100%, 0 100%);
  transform: rotate(31deg);
}

.oas-card-surface-two {
  left: 34%;
  width: 44%;
  border-color: rgba(254, 215, 170, 0.52);
  background: rgba(154, 52, 18, 0.18);
  transform: rotate(31deg) translateX(28px);
}

.oas-card-path {
  top: 12%;
  left: 52%;
  width: 3px;
  height: 80%;
  border-radius: 999px;
  background: #8dfffa;
  box-shadow: 0 0 10px rgba(141, 255, 250, 0.72);
  transform: rotate(31deg);
}

.calculator-card-visual img {
  left: -35%;
  width: 135%;
  object-position: center top;
}

.sweep-card-visual img {
  inset: 0;
  width: 100%;
  object-position: center 48%;
}

.tool-card-visual figcaption {
  position: absolute;
  right: 10px;
  bottom: 9px;
  z-index: 1;
  padding: 4px 7px;
  border: 1px solid rgba(189, 201, 214, 0.9);
  border-radius: 5px;
  color: #35485b;
  background: rgba(255, 255, 255, 0.94);
  font-size: 9px;
  font-weight: 720;
}

.tool-card-copy {
  display: flex;
  min-height: 250px;
  flex: 1;
  flex-direction: column;
  padding: 19px 21px 20px;
}

.tool-card-heading > p {
  margin: 0 0 3px;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-card h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -0.012em;
}

.tool-card-copy > p {
  margin: 12px 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.tool-card ul {
  display: grid;
  gap: 6px;
  margin: 0 0 18px;
  padding: 0;
  color: #43576b;
  font-size: 12px;
  line-height: 1.4;
  list-style: none;
}

.tool-card li {
  position: relative;
  padding-left: 15px;
}

.tool-card li::before {
  position: absolute;
  top: 0.62em;
  left: 1px;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  content: "";
  background: var(--accent);
  transform: translateY(-50%);
}

.tool-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 760;
}

.tool-link span {
  font-size: 17px;
  line-height: 1;
}

@media (max-width: 980px) {
  .landing-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .landing-hero-copy {
    max-width: 760px;
  }

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

@media (max-width: 700px) {
  .landing-content {
    padding: 28px 16px 44px;
  }

  .landing-hero {
    padding-bottom: 34px;
  }

  .landing-hero h1 {
    font-size: clamp(35px, 10.5vw, 47px);
  }

  .landing-intro {
    margin-top: 16px;
    font-size: 15px;
  }

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

  .tool-card-copy {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tool-card {
    transition: none;
  }
}