/* Alpha Capture homepage feature and program page */

.alpha-capture-feature {
  position: relative;
  min-height: clamp(42rem, 78dvh, 54rem);
  display: flex;
  align-items: center;
  padding: clamp(6rem, 9vw, 9rem) 0;
  overflow: hidden;
  isolation: isolate;
  background: #03070c;
}

.alpha-capture-feature::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(90deg, rgba(3, 7, 12, 0.99) 0%, rgba(3, 8, 14, 0.95) 37%, rgba(4, 10, 17, 0.68) 66%, rgba(3, 7, 12, 0.32) 100%),
    url("../images/alpha-capture-network.webp");
  background-position: center;
  background-size: cover;
  transform: scale(1.015);
}

.alpha-capture-feature::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(151, 173, 198, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(151, 173, 198, 0.032) 1px, transparent 1px),
    linear-gradient(180deg, #050b12 0%, transparent 14%, transparent 86%, #050b12 100%);
  background-size: 64px 64px, 64px 64px, 100% 100%;
  mask-image: linear-gradient(90deg, black, black 82%, transparent 100%);
}

.alpha-capture-feature__layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: center;
}

.alpha-capture-feature__copy {
  grid-column: 1 / span 7;
  max-width: 45rem;
}

.alpha-capture-feature__copy h2 {
  max-width: 10ch;
  margin-top: 1.35rem;
  color: #f1f2ef;
  font-size: clamp(2.8rem, 5.6vw, 6rem);
  font-weight: 480;
  letter-spacing: -0.052em;
  line-height: 1.02;
  text-wrap: balance;
}

.alpha-capture-feature__copy > p {
  max-width: 44ch;
  margin-top: 1.7rem;
  color: #b0bbc8;
  font-size: clamp(1rem, 1.25vw, 1.14rem);
  line-height: 1.65;
  text-wrap: pretty;
}

.alpha-capture-feature__copy .signal-button {
  margin-top: 2.2rem;
  min-height: 3.25rem;
}

.alpha-route {
  grid-column: 8 / -1;
  min-width: 0;
  padding: clamp(1.6rem, 3vw, 2.6rem);
  background: rgba(4, 11, 19, 0.76);
  border: 1px solid rgba(191, 206, 221, 0.2);
  box-shadow:
    0 32px 90px rgba(0, 0, 0, 0.34),
    inset 0 1px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px) saturate(112%);
}

.alpha-route__title {
  margin-bottom: 1.7rem;
  color: #dfe5eb;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.alpha-route ol {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.alpha-route li {
  position: relative;
  display: grid;
  grid-template-columns: 2.65rem minmax(0, 1fr);
  gap: 1rem;
  min-height: 6.1rem;
  padding: 0.2rem 0 1.25rem;
}

.alpha-route li:last-child {
  min-height: 0;
  padding-bottom: 0;
}

.alpha-route li:not(:last-child)::after {
  position: absolute;
  top: 2.65rem;
  bottom: 0;
  left: 1.3rem;
  width: 1px;
  content: "";
  background: linear-gradient(to bottom, rgba(217, 189, 112, 0.8), rgba(139, 164, 211, 0.15));
  transform: scaleY(0.35);
  transform-origin: top;
  animation: alpha-route-flow 2.8s var(--ease-out-expo) infinite;
}

.alpha-route li:nth-child(2)::after {
  animation-delay: 420ms;
}

.alpha-route__marker {
  position: relative;
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  place-items: center;
  color: var(--accent-gold-bright);
  background: #07121e;
  border: 1px solid rgba(217, 189, 112, 0.5);
  font-family: var(--font-mono);
  font-size: 0.64rem;
}

.alpha-route strong {
  display: block;
  margin-top: 0.15rem;
  color: #eef1f4;
  font-size: 1.03rem;
  font-weight: 500;
}

.alpha-route p {
  max-width: 32ch;
  margin-top: 0.45rem;
  color: #8493a6;
  font-size: 0.78rem;
  line-height: 1.55;
}

@keyframes alpha-route-flow {
  0%, 18% {
    opacity: 0.25;
    transform: scaleY(0.18);
  }
  56%, 100% {
    opacity: 0.9;
    transform: scaleY(1);
  }
}

/* Program page hero */

.alpha-capture-experience main {
  background: #03070c;
}

.alpha-capture-hero {
  min-height: calc(100dvh - 76px);
  background-image:
    radial-gradient(circle at var(--hero-x, 76%) var(--hero-y, 38%), rgba(217, 189, 112, 0.12), transparent 22%),
    linear-gradient(92deg, rgba(3, 7, 12, 0.99) 0%, rgba(3, 8, 14, 0.96) 39%, rgba(3, 8, 14, 0.72) 65%, rgba(3, 7, 12, 0.28) 100%),
    url("../images/alpha-capture-network.webp") !important;
  background-position: center !important;
  background-size: cover !important;
}

.alpha-capture-hero::before {
  background-size: 64px 64px;
  opacity: 0.75;
}

.alpha-capture-hero .secondary-hero__layout {
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  padding-top: clamp(4rem, 7vh, 6rem);
  padding-bottom: clamp(5rem, 8vh, 7rem);
}

.alpha-capture-hero .secondary-hero__copy {
  max-width: 56rem;
}

.alpha-capture-hero .secondary-hero__title {
  max-width: 20ch;
  font-size: clamp(3.2rem, 5.6vw, 6.1rem);
}

.alpha-capture-hero .secondary-hero__copy > p {
  max-width: 45rem;
}

/* Delivery model */

.alpha-program-flow {
  position: relative;
  padding: clamp(6rem, 9vw, 9rem) 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 10%, rgba(101, 130, 179, 0.09), transparent 25%),
    #050b12;
}

.alpha-program-flow::before,
.alpha-offer-system::before,
.alpha-security-system::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(151, 173, 198, 0.027) 1px, transparent 1px),
    linear-gradient(90deg, rgba(151, 173, 198, 0.027) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.alpha-program-flow__heading {
  position: relative;
  max-width: 58rem;
  margin-bottom: clamp(3.5rem, 6vw, 5.5rem);
}

.alpha-program-flow__heading h2,
.alpha-offer-copy h2,
.alpha-security-copy h2,
.alpha-contact__copy h2 {
  max-width: 11ch;
  color: #eef1f4;
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 480;
  letter-spacing: -0.05em;
  line-height: 1.05;
  text-wrap: balance;
}

.alpha-program-flow__heading p,
.alpha-offer-copy > p,
.alpha-security-copy > p,
.alpha-contact__copy > p {
  max-width: 52ch;
  margin-top: 1.5rem;
  color: #98a6b7;
  font-size: clamp(0.96rem, 1.1vw, 1.06rem);
  line-height: 1.68;
  text-wrap: pretty;
}

.alpha-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--signal-line);
  border-bottom: 1px solid var(--signal-line);
}

.alpha-flow::before {
  position: absolute;
  top: 4.2rem;
  right: 11%;
  left: 11%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, rgba(139, 164, 211, 0.18), var(--accent-gold), rgba(139, 164, 211, 0.18));
  opacity: 0.5;
}

.alpha-flow li {
  position: relative;
  min-height: 19rem;
  padding: 6.5rem clamp(1.25rem, 2.4vw, 2.2rem) 2.2rem;
  border-right: 1px solid var(--signal-line);
}

.alpha-flow li:last-child {
  border-right: 0;
}

.alpha-flow li::before {
  position: absolute;
  top: 3.87rem;
  left: clamp(1.25rem, 2.4vw, 2.2rem);
  width: 0.68rem;
  height: 0.68rem;
  content: "";
  background: #06101a;
  border: 1px solid var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 7px #050b12;
}

.alpha-flow__verb {
  color: #e8edf1;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.alpha-flow p {
  max-width: 27ch;
  margin-top: 1rem;
  color: #8190a4;
  font-size: 0.83rem;
  line-height: 1.65;
}

/* Offering */

.alpha-offer-system {
  position: relative;
  padding: clamp(6rem, 9vw, 9rem) 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 14%, rgba(217, 189, 112, 0.05), transparent 24%),
    linear-gradient(180deg, #050b12, #03070c);
}

.alpha-offer-copy {
  position: relative;
  max-width: 60rem;
  margin-bottom: clamp(3.5rem, 6vw, 5.5rem);
}

.alpha-offer-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(15rem, auto));
  gap: 1px;
  background: var(--signal-line);
  border: 1px solid var(--signal-line);
}

.alpha-offer-cell {
  position: relative;
  min-width: 0;
  padding: clamp(1.8rem, 3vw, 3rem);
  overflow: hidden;
  background: rgba(7, 16, 26, 0.96);
}

.alpha-offer-cell::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: radial-gradient(380px circle at var(--card-x, 50%) var(--card-y, 50%), rgba(217, 189, 112, 0.11), transparent 64%);
  opacity: 0;
  transition: opacity 260ms ease;
}

.alpha-offer-cell:hover::after {
  opacity: 1;
}

.alpha-offer-cell--lead {
  grid-column: span 7;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(150deg, rgba(19, 37, 57, 0.94), rgba(6, 14, 23, 0.98)),
    #07101a;
}

.alpha-offer-cell--api {
  grid-column: span 5;
  background:
    radial-gradient(circle at 88% 12%, rgba(217, 189, 112, 0.14), transparent 32%),
    #08131f;
}

.alpha-offer-cell h3 {
  position: relative;
  z-index: 1;
  max-width: 13ch;
  color: #edf1f4;
  font-size: clamp(1.65rem, 3vw, 3rem);
  font-weight: 480;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.alpha-offer-cell > p {
  position: relative;
  z-index: 1;
  max-width: 42ch;
  margin-top: 1.2rem;
  color: #8f9eb0;
  font-size: 0.88rem;
  line-height: 1.7;
}

.alpha-model-options {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 3rem;
  background: var(--signal-line);
  border: 1px solid var(--signal-line);
}

.alpha-model-options div {
  padding: 1.25rem;
  background: rgba(4, 11, 18, 0.74);
}

.alpha-model-options dt {
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.alpha-model-options dd {
  margin-top: 0.65rem;
  color: #dce3e9;
  font-size: 0.86rem;
  line-height: 1.5;
}

.alpha-offer-visual {
  position: relative;
  grid-column: span 5;
  min-height: 17rem;
  overflow: hidden;
  background: #06101a;
}

.alpha-offer-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
  filter: saturate(0.84) contrast(1.04);
  transform: scale(1.02);
  transition: transform 900ms var(--ease-out-expo), filter 500ms ease;
}

.alpha-offer-visual:hover img {
  filter: saturate(1) contrast(1.06);
  transform: scale(1.055);
}

.alpha-offer-note {
  position: relative;
  margin-top: 1.4rem;
  color: #667589;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.035em;
  line-height: 1.65;
}

/* Security and diligence */

.alpha-security-system {
  position: relative;
  padding: clamp(6rem, 9vw, 9rem) 0;
  overflow: hidden;
  background: #050b12;
}

.alpha-security-layout {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.alpha-security-copy {
  grid-column: 1 / span 6;
  position: sticky;
  top: 8.5rem;
}

.alpha-security-copy h2 {
  margin-top: 1.25rem;
}

.alpha-security-details {
  grid-column: 7 / -1;
  margin: 0;
  border-top: 1px solid var(--signal-line-strong);
}

.alpha-security-details > div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.65fr) minmax(0, 1.35fr);
  gap: 1.5rem;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--signal-line);
}

.alpha-security-details dt {
  color: #d9e0e7;
  font-size: 0.92rem;
  font-weight: 500;
}

.alpha-security-details dd {
  color: #8291a4;
  font-size: 0.82rem;
  line-height: 1.65;
}

/* Contact close */

.alpha-contact-system {
  position: relative;
  padding: clamp(6rem, 9vw, 9rem) 0;
  overflow: hidden;
  background:
    linear-gradient(98deg, rgba(3, 7, 12, 0.99), rgba(4, 11, 19, 0.82)),
    url("../images/alpha-capture-network.webp");
  background-position: center;
  background-size: cover;
  border-top: 1px solid var(--signal-line);
}

.alpha-contact-system::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(180deg, #050b12 0%, transparent 22%, transparent 78%, #03070c 100%);
}

.alpha-contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2.5rem, 7vw, 8rem);
  align-items: end;
}

.alpha-contact__copy h2 {
  max-width: 12ch;
}

.alpha-contact__actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-width: min(100%, 13.5rem);
}

.alpha-contact__actions .signal-button {
  min-height: 3.35rem;
  justify-content: center;
  white-space: nowrap;
}

.alpha-program-disclaimer {
  position: relative;
  z-index: 1;
  max-width: 78rem;
  margin-top: clamp(4rem, 7vw, 6rem);
  padding-top: 1.5rem;
  color: #5f6f82;
  border-top: 1px solid var(--signal-line);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.025em;
  line-height: 1.7;
}

@media (max-width: 1023px) {
  .alpha-capture-feature__copy {
    grid-column: 1 / span 7;
  }

  .alpha-route {
    grid-column: 8 / -1;
  }

  .alpha-offer-cell--lead {
    grid-column: span 7;
  }

  .alpha-offer-cell--api,
  .alpha-offer-visual {
    grid-column: span 5;
  }

  .alpha-security-copy {
    grid-column: 1 / span 5;
  }

  .alpha-security-details {
    grid-column: 6 / -1;
  }
}

@media (max-width: 767px) {
  .alpha-capture-feature {
    min-height: auto;
    padding: 5.5rem 0;
  }

  .alpha-capture-feature::before {
    background-image:
      linear-gradient(180deg, rgba(3, 7, 12, 0.98) 0%, rgba(3, 8, 14, 0.9) 54%, rgba(3, 7, 12, 0.7) 100%),
      url("../images/alpha-capture-network.webp");
    background-position: 65% center;
  }

  .alpha-capture-feature__layout,
  .alpha-security-layout,
  .alpha-contact__inner {
    grid-template-columns: 1fr;
  }

  .alpha-capture-feature__copy,
  .alpha-route,
  .alpha-security-copy,
  .alpha-security-details {
    grid-column: auto;
  }

  .alpha-capture-feature__copy h2 {
    font-size: clamp(2.8rem, 13vw, 4.6rem);
  }

  .alpha-route {
    margin-top: 1.2rem;
    padding: 1.4rem;
  }

  .alpha-capture-hero {
    min-height: calc(100dvh - 70px);
    background-image:
      linear-gradient(180deg, rgba(3, 7, 12, 0.98) 0%, rgba(3, 8, 14, 0.9) 58%, rgba(3, 7, 12, 0.68) 100%),
      url("../images/alpha-capture-network.webp") !important;
    background-position: 66% center !important;
  }

  .alpha-capture-hero .secondary-hero__layout {
    padding-top: 3.6rem;
    padding-bottom: 5rem;
  }

  .alpha-capture-hero .secondary-hero__title {
    max-width: 15ch;
    font-size: clamp(2.9rem, 12vw, 4.1rem);
  }

  .alpha-flow {
    grid-template-columns: 1fr;
    border-left: 1px solid var(--signal-line);
  }

  .alpha-flow::before {
    top: 2.5rem;
    bottom: 2.5rem;
    left: 2rem;
    width: 1px;
    height: auto;
    background: linear-gradient(to bottom, rgba(139, 164, 211, 0.18), var(--accent-gold), rgba(139, 164, 211, 0.18));
  }

  .alpha-flow li {
    min-height: auto;
    padding: 2.25rem 1.35rem 2.25rem 4.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--signal-line);
  }

  .alpha-flow li:last-child {
    border-bottom: 0;
  }

  .alpha-flow li::before {
    top: 2.6rem;
    left: 1.65rem;
  }

  .alpha-offer-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .alpha-offer-cell--lead,
  .alpha-offer-cell--api,
  .alpha-offer-visual {
    grid-column: auto;
    grid-row: auto;
  }

  .alpha-offer-cell--lead {
    min-height: 34rem;
  }

  .alpha-model-options {
    grid-template-columns: 1fr;
  }

  .alpha-offer-visual {
    min-height: 18rem;
  }

  .alpha-security-copy {
    position: relative;
    top: auto;
  }

  .alpha-security-details > div {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .alpha-contact__inner {
    align-items: start;
  }

  .alpha-contact__actions {
    width: 100%;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .alpha-route li:not(:last-child)::after {
    animation: none;
    opacity: 0.8;
    transform: scaleY(1);
  }

  .alpha-offer-visual img,
  .alpha-offer-visual:hover img {
    transform: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .alpha-route {
    background: #07101a;
    backdrop-filter: none;
  }
}