/* Profile capability atlas: outcome-led, interactive and grounded in project evidence. */

.profile-stack-atlas {
  --atlas-blue: 32, 184, 255;
  --atlas-green: 25, 246, 210;
  --atlas-orange: 255, 122, 0;
  --atlas-rose: 255, 90, 167;
  isolation: isolate;
  overflow: hidden;
  padding-bottom: clamp(76px, 9vw, 124px);
  padding-top: clamp(76px, 9vw, 124px);
}

.profile-stack-atlas::before {
  background:
    radial-gradient(circle at 12% 18%, rgba(var(--atlas-blue), 0.11), transparent 28%),
    radial-gradient(circle at 88% 82%, rgba(var(--atlas-orange), 0.08), transparent 28%),
    linear-gradient(108deg, transparent 0 26%, rgba(var(--atlas-green), 0.045) 26.1%, transparent 26.5% 100%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: -2;
}

.stack-atlas-shell {
  margin: 0 auto;
  max-width: 1320px;
  position: relative;
}

.stack-atlas-shell::before,
.stack-atlas-shell::after {
  content: "";
  pointer-events: none;
  position: absolute;
}

.stack-atlas-shell::before {
  border-left: 1px solid rgba(var(--atlas-blue), 0.16);
  border-top: 1px solid rgba(var(--atlas-green), 0.22);
  height: 42px;
  left: -18px;
  top: -24px;
  width: 94px;
}

.stack-atlas-shell::after {
  background: linear-gradient(90deg, rgba(var(--atlas-blue), 0.9), rgba(var(--atlas-green), 0.8), rgba(var(--atlas-orange), 0.75));
  box-shadow: 0 0 22px rgba(var(--atlas-blue), 0.26);
  height: 1px;
  left: 0;
  opacity: 0.74;
  right: 0;
  top: -1px;
}

.stack-atlas-heading {
  align-items: start;
  display: grid;
  gap: clamp(30px, 5vw, 82px);
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 0.78fr);
  padding: clamp(38px, 5vw, 70px) 0 clamp(34px, 4vw, 54px);
}

.stack-atlas-heading h2 {
  font-size: clamp(2.8rem, 6.6vw, 6.6rem);
  letter-spacing: -0.065em;
  line-height: 0.87;
  margin: 14px 0 0;
  max-width: 850px;
}

.stack-atlas-heading h2 em {
  color: var(--accent-green);
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.72em;
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.95;
  padding-left: clamp(24px, 7vw, 106px);
}

.stack-atlas-intro {
  border-left: 1px solid rgba(var(--atlas-blue), 0.34);
  padding-left: clamp(20px, 3vw, 34px);
}

.stack-atlas-intro > p {
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  margin: 0;
  max-width: 620px;
}

.stack-atlas-metrics {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 30px 0 0;
}

.stack-atlas-metrics div {
  border-top: 1px solid rgba(var(--atlas-blue), 0.24);
  min-width: 0;
  padding-top: 12px;
}

.stack-atlas-metrics dt {
  color: var(--headline);
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1;
}

.stack-atlas-metrics dd {
  color: var(--dim);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 7px 0 0;
  text-transform: uppercase;
}

.stack-atlas-stage {
  background:
    linear-gradient(90deg, rgba(var(--atlas-blue), 0.035) 1px, transparent 1px) 0 0 / 54px 54px,
    linear-gradient(rgba(var(--atlas-green), 0.025) 1px, transparent 1px) 0 0 / 54px 54px,
    linear-gradient(145deg, rgba(8, 14, 16, 0.96), rgba(13, 20, 22, 0.86));
  border: 1px solid rgba(var(--atlas-blue), 0.18);
  box-shadow:
    0 32px 90px rgba(0, 0, 0, 0.36),
    inset 0 0 54px rgba(var(--atlas-blue), 0.025);
  overflow: hidden;
  padding: clamp(14px, 2vw, 26px);
  position: relative;
}

.stack-atlas-stage::before {
  background:
    linear-gradient(90deg, rgba(var(--atlas-blue), 0.9), transparent) left top / 150px 1px no-repeat,
    linear-gradient(rgba(var(--atlas-blue), 0.72), transparent) left top / 1px 94px no-repeat,
    linear-gradient(270deg, rgba(var(--atlas-orange), 0.86), transparent) right bottom / 150px 1px no-repeat,
    linear-gradient(0deg, rgba(var(--atlas-orange), 0.7), transparent) right bottom / 1px 94px no-repeat;
  content: "";
  inset: 9px;
  pointer-events: none;
  position: absolute;
  z-index: 3;
}

.stack-flow {
  align-items: center;
  background:
    linear-gradient(90deg, rgba(var(--atlas-blue), 0.075), rgba(var(--atlas-green), 0.045) 45%, rgba(var(--atlas-orange), 0.06)),
    rgba(7, 13, 15, 0.9);
  border: 1px solid rgba(var(--atlas-blue), 0.2);
  display: grid;
  gap: clamp(20px, 3vw, 42px);
  grid-template-columns: minmax(180px, 0.52fr) minmax(0, 2fr);
  margin-bottom: 14px;
  min-height: 92px;
  padding: 18px clamp(18px, 2.3vw, 30px);
  position: relative;
  z-index: 2;
}

.stack-flow-intro {
  display: grid;
  gap: 3px;
}

.stack-flow-intro span {
  color: var(--accent-green);
  font-size: 0.61rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.stack-flow-intro strong {
  color: var(--headline);
  font-size: 1rem;
  line-height: 1.15;
}

.stack-flow ol {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.stack-flow ol::before,
.stack-flow ol::after {
  content: "";
  left: 8%;
  pointer-events: none;
  position: absolute;
  right: 8%;
  top: 9px;
}

.stack-flow ol::before {
  background: linear-gradient(90deg, rgba(var(--atlas-blue), 0.78), rgba(var(--atlas-green), 0.76), rgba(var(--atlas-orange), 0.72), rgba(var(--atlas-rose), 0.72));
  height: 1px;
}

.stack-flow ol::after {
  animation: stack-flow-pulse 5.6s cubic-bezier(0.45, 0, 0.55, 1) infinite;
  background: #fff;
  border-radius: 50%;
  box-shadow:
    0 0 0 4px rgba(var(--atlas-green), 0.12),
    0 0 18px rgba(var(--atlas-green), 0.9);
  height: 7px;
  left: 8%;
  right: auto;
  top: 6px;
  width: 7px;
}

.stack-flow li {
  color: var(--muted);
  display: grid;
  font-size: 0.69rem;
  font-weight: 800;
  gap: 8px;
  justify-items: center;
  letter-spacing: 0.05em;
  position: relative;
  text-transform: uppercase;
  z-index: 1;
}

.stack-flow li > span {
  align-items: center;
  background: #081012;
  border: 1px solid rgba(var(--atlas-blue), 0.48);
  border-radius: 50%;
  color: var(--accent-blue);
  display: flex;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.55rem;
  height: 19px;
  justify-content: center;
  width: 19px;
}

.stack-flow li:nth-child(2) > span,
.stack-flow li:nth-child(3) > span {
  border-color: rgba(var(--atlas-green), 0.48);
  color: var(--accent-green);
}

.stack-flow li:nth-child(4) > span,
.stack-flow li:nth-child(5) > span {
  border-color: rgba(var(--atlas-orange), 0.48);
  color: rgb(var(--atlas-orange));
}

.stack-flow li:nth-child(6) > span {
  border-color: rgba(var(--atlas-rose), 0.48);
  color: rgb(var(--atlas-rose));
}

.stack-atlas-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: relative;
  z-index: 1;
}

.stack-atlas-card {
  --stack-accent: var(--atlas-blue);
  background:
    linear-gradient(145deg, rgba(var(--stack-accent), 0.12), transparent 38%),
    linear-gradient(180deg, rgba(10, 17, 19, 0.95), rgba(8, 13, 15, 0.9));
  border: 1px solid rgba(var(--stack-accent), 0.28);
  box-shadow:
    0 18px 46px rgba(0, 0, 0, 0.24),
    inset 0 0 32px rgba(var(--stack-accent), 0.025);
  min-width: 0;
  overflow: hidden;
  padding: clamp(20px, 2vw, 28px);
  position: relative;
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.stack-atlas-card::before {
  background:
    linear-gradient(90deg, rgb(var(--stack-accent)), transparent) left top / 96px 1px no-repeat,
    linear-gradient(rgb(var(--stack-accent)), transparent) left top / 1px 70px no-repeat;
  content: "";
  inset: 8px;
  opacity: 0.8;
  pointer-events: none;
  position: absolute;
}

.stack-atlas-card:hover {
  border-color: rgba(var(--stack-accent), 0.58);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.34),
    0 0 30px rgba(var(--stack-accent), 0.08),
    inset 0 0 38px rgba(var(--stack-accent), 0.045);
  transform: translateY(-5px);
}

.stack-atlas-card--ai {
  --stack-accent: var(--atlas-green);
}

.stack-atlas-card--systems {
  --stack-accent: var(--atlas-orange);
}

.stack-atlas-card--creative {
  --stack-accent: var(--atlas-rose);
}

.stack-atlas-card > header {
  align-items: start;
  display: flex;
  justify-content: space-between;
}

.stack-card-number {
  color: rgb(var(--stack-accent));
  font-size: clamp(1.9rem, 3.3vw, 3.15rem);
  font-weight: 950;
  letter-spacing: -0.08em;
  line-height: 1;
  text-shadow: 0 0 22px rgba(var(--stack-accent), 0.25);
}

.stack-card-code {
  border: 1px solid rgba(var(--stack-accent), 0.38);
  color: rgb(var(--stack-accent));
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  min-width: 44px;
  padding: 6px 8px;
  text-align: center;
}

.stack-card-label {
  color: rgb(var(--stack-accent));
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  margin: 28px 0 8px;
  text-transform: uppercase;
}

.stack-atlas-card h3 {
  color: var(--headline);
  font-size: clamp(1.2rem, 1.7vw, 1.58rem);
  letter-spacing: -0.04em;
  line-height: 1.06;
  margin: 0;
}

.stack-card-copy {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  margin: 14px 0 22px;
  min-height: 78px;
}

.stack-capabilities {
  display: grid;
}

.stack-capabilities details {
  border-top: 1px solid rgba(var(--stack-accent), 0.18);
}

.stack-capabilities summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  list-style: none;
  min-height: 64px;
  outline: 0;
  padding: 11px 0;
}

.stack-capabilities summary::-webkit-details-marker {
  display: none;
}

.stack-capabilities summary::after {
  align-items: center;
  border: 1px solid rgba(var(--stack-accent), 0.36);
  color: rgb(var(--stack-accent));
  content: "+";
  display: flex;
  flex: 0 0 23px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.94rem;
  height: 23px;
  justify-content: center;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
  width: 23px;
}

.stack-capabilities details[open] summary::after {
  background: rgb(var(--stack-accent));
  color: #071012;
  content: "−";
  transform: rotate(180deg);
}

.stack-capabilities summary:hover::after,
.stack-capabilities summary:focus-visible::after {
  background: rgba(var(--stack-accent), 0.14);
  border-color: rgba(var(--stack-accent), 0.7);
}

.stack-capabilities summary > span {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.stack-capabilities summary strong {
  color: var(--ink);
  font-size: 0.86rem;
  line-height: 1.18;
}

.stack-capabilities summary small {
  color: var(--dim);
  font-size: 0.59rem;
  letter-spacing: 0.04em;
  line-height: 1.35;
  text-transform: uppercase;
}

.stack-capabilities details > p {
  animation: stack-detail-in 180ms ease both;
  border-left: 1px solid rgba(var(--stack-accent), 0.35);
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.55;
  margin: 0 0 16px;
  padding: 1px 0 1px 13px;
}

.stack-ecosystem {
  background:
    linear-gradient(90deg, rgba(var(--atlas-blue), 0.07), transparent 30%),
    rgba(10, 17, 19, 0.88);
  border: 1px solid rgba(var(--atlas-blue), 0.2);
  border-top: 0;
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) repeat(3, minmax(0, 1fr));
}

.stack-ecosystem-heading,
.stack-tool-group {
  min-width: 0;
  padding: 24px clamp(18px, 2vw, 28px);
}

.stack-ecosystem-heading {
  border-right: 1px solid rgba(var(--atlas-blue), 0.18);
}

.stack-ecosystem-heading > span,
.stack-tool-group > strong {
  color: var(--accent-blue);
  font-size: 0.61rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stack-ecosystem-heading h3 {
  color: var(--headline);
  font-size: 1.05rem;
  line-height: 1.15;
  margin: 7px 0 6px;
}

.stack-ecosystem-heading p,
.stack-tool-group p {
  color: var(--dim);
  font-size: 0.7rem;
  line-height: 1.55;
  margin: 0;
}

.stack-tool-group + .stack-tool-group {
  border-left: 1px solid rgba(var(--atlas-blue), 0.13);
}

.stack-tool-group > strong {
  color: var(--accent-green);
}

.stack-tool-group p {
  color: var(--muted);
  margin-top: 8px;
}

.stack-atlas-language {
  align-items: stretch;
  background:
    linear-gradient(90deg, rgba(var(--atlas-green), 0.09), transparent 26%),
    rgba(13, 20, 22, 0.82);
  border: 1px solid rgba(var(--atlas-green), 0.2);
  border-top: 0;
  display: grid;
  grid-template-columns: minmax(230px, 0.75fr) minmax(0, 2fr);
}

.stack-atlas-language > div {
  border-right: 1px solid rgba(var(--atlas-green), 0.2);
  display: grid;
  padding: 22px clamp(20px, 3vw, 34px);
}

.stack-language-index {
  color: var(--accent-green);
  font-size: 0.6rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stack-atlas-language > div strong {
  align-self: end;
  color: var(--headline);
  font-size: 1.1rem;
}

.stack-atlas-language ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.stack-atlas-language li {
  display: grid;
  gap: 2px;
  padding: 22px clamp(14px, 2vw, 24px);
}

.stack-atlas-language li + li {
  border-left: 1px solid rgba(var(--atlas-blue), 0.13);
}

.stack-atlas-language li strong {
  color: var(--ink);
  font-size: 0.84rem;
}

.stack-atlas-language li span {
  color: var(--dim);
  font-size: 0.67rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stack-atlas-proof {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(170px, 0.72fr) repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}

.stack-proof-heading {
  align-content: end;
  border-left: 1px solid rgba(var(--atlas-blue), 0.34);
  display: grid;
  padding: 18px 20px;
}

.stack-proof-heading span,
.stack-atlas-proof a > span {
  color: var(--accent-blue);
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.stack-proof-heading strong {
  color: var(--headline);
  font-size: 1rem;
  line-height: 1.15;
}

.stack-atlas-proof a {
  background: rgba(13, 20, 22, 0.66);
  border: 1px solid rgba(var(--atlas-blue), 0.16);
  display: grid;
  min-height: 132px;
  padding: 18px;
  position: relative;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.stack-atlas-proof a::after {
  color: var(--accent-green);
  content: "↗";
  font-size: 0.95rem;
  position: absolute;
  right: 16px;
  top: 14px;
}

.stack-atlas-proof a:hover,
.stack-atlas-proof a:focus-visible {
  background: rgba(var(--atlas-blue), 0.075);
  border-color: rgba(var(--atlas-green), 0.42);
  transform: translateY(-3px);
}

.stack-atlas-proof a strong {
  align-self: end;
  color: var(--headline);
  font-size: 0.96rem;
  margin-top: 18px;
}

.stack-atlas-proof a small {
  color: var(--dim);
  font-size: 0.68rem;
  line-height: 1.4;
  margin-top: 4px;
}

@keyframes stack-flow-pulse {
  0%,
  8% {
    left: 8%;
  }

  92%,
  100% {
    left: calc(92% - 7px);
  }
}

@keyframes stack-detail-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .stack-atlas-heading {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .stack-atlas-intro {
    max-width: 800px;
  }

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

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

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

  .stack-ecosystem-heading {
    border-bottom: 1px solid rgba(var(--atlas-blue), 0.18);
    border-right: 0;
    grid-column: 1 / -1;
  }

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

  .stack-proof-heading {
    grid-column: 1 / -1;
    min-height: 82px;
  }
}

@media (max-width: 760px) {
  .stack-atlas-heading h2 {
    font-size: clamp(2.7rem, 14vw, 4.7rem);
  }

  .stack-flow {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .stack-flow ol {
    gap: 12px 4px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .stack-flow ol::before,
  .stack-flow ol::after {
    display: none;
  }

  .stack-flow li {
    background: rgba(255, 255, 255, 0.018);
    border: 1px solid rgba(var(--atlas-blue), 0.12);
    padding: 10px 4px;
  }

  .stack-atlas-grid {
    grid-template-columns: 1fr;
  }

  .stack-atlas-card:hover {
    transform: none;
  }

  .stack-ecosystem {
    grid-template-columns: 1fr;
  }

  .stack-ecosystem-heading {
    grid-column: auto;
  }

  .stack-tool-group + .stack-tool-group,
  .stack-tool-group {
    border-left: 0;
    border-top: 1px solid rgba(var(--atlas-blue), 0.13);
  }

  .stack-atlas-language {
    grid-template-columns: 1fr;
  }

  .stack-atlas-language > div {
    border-bottom: 1px solid rgba(var(--atlas-green), 0.2);
    border-right: 0;
    gap: 6px;
  }

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

  .stack-atlas-language li:nth-child(3) {
    border-left: 0;
  }

  .stack-atlas-language li:nth-child(n + 3) {
    border-top: 1px solid rgba(var(--atlas-blue), 0.13);
  }

  .stack-atlas-proof {
    grid-template-columns: 1fr;
  }

  .stack-proof-heading {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  .profile-stack-atlas {
    padding-left: 14px;
    padding-right: 14px;
  }

  .stack-atlas-heading h2 em {
    padding-left: 14px;
  }

  .stack-atlas-metrics {
    gap: 8px;
  }

  .stack-atlas-metrics dd {
    font-size: 0.53rem;
    letter-spacing: 0.08em;
  }

  .stack-atlas-stage {
    padding: 8px;
  }

  .stack-flow {
    margin-bottom: 8px;
  }

  .stack-atlas-card {
    padding: 22px 18px;
  }

  .stack-atlas-language ul {
    grid-template-columns: 1fr;
  }

  .stack-atlas-language li + li,
  .stack-atlas-language li:nth-child(3) {
    border-left: 0;
  }

  .stack-atlas-language li:nth-child(n + 2) {
    border-top: 1px solid rgba(var(--atlas-blue), 0.13);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stack-flow ol::after,
  .stack-capabilities details > p {
    animation: none;
  }

  .stack-atlas-card,
  .stack-capabilities summary::after,
  .stack-atlas-proof a {
    transition: none;
  }
}