/* Frostresultuconnct — business process strategy visual system
   Dark diagnostic surfaces + warm paper reading fields. */

:root {
  --ink: #0e1624;
  --ink-soft: #172335;
  --navy: #1c3144;
  --paper: #f3efe6;
  --paper-2: #e8e1d3;
  --frost: #d7eef2;
  --ice: #6fb8c6;
  --glacier: #2f6f7c;
  --result: #d9893b;
  --result-deep: #b56b24;
  --mist: #9aadb7;
  --line: rgba(14, 22, 36, 0.12);
  --line-strong: rgba(14, 22, 36, 0.22);
  --glass: rgba(215, 238, 242, 0.08);
  --glass-border: rgba(215, 238, 242, 0.28);
  --text: #1c2430;
  --text-muted: #4a5866;
  --on-dark: #eef4f6;
  --on-dark-muted: #b7c5ce;
  --display: "Palatino Linotype", Palatino, "Iowan Old Style", "Times New Roman", serif;
  --sans: "Segoe UI", Candara, Calibri, "Trebuchet MS", sans-serif;
  --mono: "Cascadia Mono", "Segoe UI Mono", Consolas, monospace;
  --gutter: clamp(1.1rem, 4.2vw, 4.5rem);
  --measure: 38rem;
  --wide: 72rem;
  --radius: 1.15rem;
  --shadow: 0 28px 60px rgba(14, 22, 36, 0.18);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(111, 184, 198, 0.16), transparent 55%),
    linear-gradient(180deg, var(--paper) 0%, #efe8db 100%);
  min-height: 100vh;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--glacier);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--result-deep);
}

:focus-visible {
  outline: 2px solid var(--result);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 0.8rem;
  top: -4rem;
  z-index: 80;
  background: var(--result);
  color: var(--ink);
  padding: 0.55rem 0.9rem;
  font-weight: 600;
}

.skip-link:focus {
  top: 0.8rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(14, 22, 36, 0.92);
  backdrop-filter: blur(16px);
  color: var(--on-dark);
  border-bottom: 1px solid var(--glass-border);
}

.site-head__bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem var(--gutter);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  border-bottom: 1px solid rgba(215, 238, 242, 0.12);
}

.site-head__bar a {
  color: var(--frost);
  text-decoration: none;
}

.site-head__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem var(--gutter);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand__mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand__name {
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand__tag {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--on-dark);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font: inherit;
  cursor: pointer;
}

.nav-toggle__icon {
  width: 1.1rem;
  height: 1px;
  background: var(--frost);
  box-shadow: 0 -5px 0 var(--frost), 0 5px 0 var(--frost);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.4rem 0.65rem;
  color: var(--on-dark-muted);
  text-decoration: none;
  font-size: 0.92rem;
  border-radius: 999px;
}

.site-nav__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ice);
}

.site-nav__link:hover,
.site-nav__link.is-current {
  color: var(--on-dark);
  background: var(--glass);
}

.site-nav__link.is-current {
  box-shadow: inset 0 0 0 1px var(--glass-border);
}

.main {
  display: block;
}

.band {
  padding: clamp(2.5rem, 6vw, 5.5rem) var(--gutter);
}

.band--ink {
  background:
    radial-gradient(700px 280px at 80% 0%, rgba(111, 184, 198, 0.18), transparent 60%),
    linear-gradient(165deg, #101b2c 0%, #0e1624 55%, #182838 100%);
  color: var(--on-dark);
}

.band--frost {
  background: linear-gradient(180deg, rgba(215, 238, 242, 0.55), rgba(243, 239, 230, 0.2));
}

.wrap {
  max-width: var(--wide);
  margin: 0 auto;
}

.wrap--narrow {
  max-width: 46rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--glacier);
}

.band--ink .kicker {
  color: var(--ice);
}

.kicker::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3,
h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}

.band--ink h1,
.band--ink h2,
.band--ink h3,
.band--ink h4,
.band--ink p,
.band--ink li {
  color: inherit;
}

.band--ink a {
  color: var(--frost);
}

.band--ink .lede {
  color: var(--on-dark-muted);
}

h1 {
  font-size: clamp(2.05rem, 4.6vw, 4.15rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.55rem, 2.8vw, 2.4rem);
  margin: 0 0 0.85rem;
}

h3 {
  font-size: 1.28rem;
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

.lede {
  font-size: 1.16rem;
  max-width: 40rem;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.8rem;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: 600 0.95rem/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  color: var(--ink);
}

.btn--result {
  background: linear-gradient(180deg, #e39b4c, var(--result));
  color: #1a140c;
}

.btn--result:hover {
  color: #1a140c;
  filter: brightness(1.05);
}

.btn--ghost {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}

.band--ink .btn--ghost {
  color: var(--frost);
}

.btn--text,
.text-btn {
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  cursor: pointer;
  padding: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: end;
}

.glass-panel {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  padding: 1.1rem 1.15rem 1.2rem;
}

.panel-label {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ice);
}

.lattice {
  width: 100%;
  min-height: 220px;
}

.node-pulse {
  transform-origin: center;
  animation: pulse 3.6s ease-in-out infinite;
}

.flow-line {
  stroke-dasharray: 6 8;
  animation: dash 12s linear infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@keyframes dash {
  to { stroke-dashoffset: -140; }
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1rem;
}

.stat {
  border-top: 1px solid var(--glass-border);
  padding-top: 0.55rem;
}

.stat strong {
  display: block;
  font-family: var(--display);
  font-size: 1.35rem;
  color: var(--frost);
}

.stat span {
  display: block;
  font-size: 0.8rem;
  color: var(--on-dark-muted);
}

.rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: 1.4rem;
  overflow: hidden;
  background: #fffdf8;
}

.rail__step {
  padding: 1.15rem 1rem 1.2rem;
  border-right: 1px solid var(--line);
  min-width: 0;
}

.rail__step:last-child {
  border-right: 0;
}

.rail__step.is-hot {
  background: linear-gradient(180deg, rgba(217, 137, 59, 0.14), transparent 70%);
}

.rail__idx {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--glacier);
}

.rail__title {
  font-family: var(--display);
  font-size: 1.12rem;
  margin: 0.35rem 0 0.4rem;
}

.rail__note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(15rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(1.4rem, 4vw, 3.5rem);
  align-items: start;
}

.split--invert {
  grid-template-columns: minmax(0, 1.2fr) minmax(15rem, 0.8fr);
}

.findings {
  list-style: none;
  margin: 0;
  padding: 0;
}

.findings li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.7rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.findings .num {
  font-family: var(--mono);
  color: var(--glacier);
}

.manifest {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.manifest a,
.manifest article {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.manifest a:hover {
  color: inherit;
  background: linear-gradient(90deg, rgba(111, 184, 198, 0.08), transparent 55%);
}

.manifest .code {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--glacier);
}

.manifest h3 {
  margin: 0;
}

.manifest p {
  margin: 0;
  color: var(--text-muted);
}

.spine {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.1rem;
  list-style: none;
}

.spine::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 1px;
  background: linear-gradient(var(--ice), var(--result));
}

.spine li {
  position: relative;
  padding: 0 0 1.5rem 1.3rem;
}

.spine li::before {
  content: "";
  position: absolute;
  left: -0.92rem;
  top: 0.4rem;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--glacier);
}

.spine li:last-child {
  padding-bottom: 0;
}

.brief {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) minmax(0, 1.3fr);
  gap: 1.4rem 2rem;
  padding: 1.5rem 0 1.8rem;
  border-top: 1px solid var(--line-strong);
}

.brief__meta {
  font-size: 0.92rem;
}

.brief__meta dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--glacier);
  margin-top: 0.7rem;
}

.brief__meta dd {
  margin: 0.15rem 0 0;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
  text-align: left;
  vertical-align: top;
  padding: 0.7rem 0.55rem 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.spec-table th {
  width: 32%;
  color: var(--glacier);
  font-weight: 600;
}

.offer-stack {
  display: grid;
  gap: 1.2rem;
}

.offer-sheet {
  background: #fffdf8;
  border: 1px solid var(--line-strong);
  border-radius: 1.3rem;
  padding: 1.4rem 1.3rem 1.5rem;
  box-shadow: 0 16px 40px rgba(14, 22, 36, 0.06);
}

.offer-sheet header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px dashed var(--line-strong);
  padding-bottom: 0.8rem;
  margin-bottom: 0.9rem;
}

.offer-sheet .duration {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--glacier);
}

.offer-sheet.featured {
  background: linear-gradient(180deg, #172335, #0e1624);
  color: var(--on-dark);
  border-color: var(--glass-border);
}

.offer-sheet.featured h2,
.offer-sheet.featured p,
.offer-sheet.featured li {
  color: inherit;
}

.offer-sheet.featured .duration {
  color: var(--ice);
}

.offer-sheet.featured th,
.offer-sheet.featured td {
  border-bottom-color: var(--glass-border);
  color: var(--on-dark);
}

.offer-sheet.featured th {
  color: var(--ice);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(11rem, 0.55fr) minmax(0, 1.45fr);
  gap: 2rem;
}

.faq-index {
  position: sticky;
  top: 6.2rem;
}

.faq-index a {
  display: block;
  padding: 0.35rem 0;
  color: var(--text-muted);
  text-decoration: none;
}

.faq-index a:hover {
  color: var(--ink);
}

details.qa {
  border-top: 1px solid var(--line);
  padding: 0.85rem 0;
}

details.qa summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  font-family: var(--display);
  font-size: 1.12rem;
}

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

details.qa p {
  margin-top: 0.7rem;
  color: var(--text-muted);
}

.intake {
  display: grid;
  grid-template-columns: minmax(14rem, 0.8fr) minmax(0, 1.2fr);
  gap: 2rem;
}

.form {
  display: grid;
  gap: 0.85rem;
  background: #fffdf8;
  border: 1px solid var(--line-strong);
  border-radius: 1.3rem;
  padding: 1.15rem;
}

.form .lbl,
.form label span {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 0.28rem;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  max-width: 100%;
  font: inherit;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 0.7rem;
  padding: 0.65rem 0.75rem;
}

.form textarea {
  min-height: 8.5rem;
  resize: vertical;
}

.form .hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form .error {
  color: #8a2c1b;
  font-size: 0.86rem;
  margin: 0.2rem 0 0;
}

.notice {
  padding: 0.85rem 1rem;
  border-radius: 0.8rem;
  background: rgba(111, 184, 198, 0.16);
  border: 1px solid var(--glacier);
}

.notice--error {
  background: #f7e4de;
  border-color: #c45b42;
}

.check {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.check input {
  width: auto;
  margin-top: 0.3rem;
}

.letterhead {
  font-style: normal;
  display: grid;
  gap: 0.15rem;
}

.letterhead span,
.letterhead a {
  display: block;
}

.prose {
  max-width: 44rem;
}

.prose h2 {
  margin-top: 2rem;
}

.prose ul,
.prose ol {
  padding-left: 1.15rem;
}

.signal {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.8rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.signal strong {
  font-family: var(--mono);
  color: var(--result-deep);
}

.site-foot {
  background: var(--ink);
  color: var(--on-dark);
  padding: 2.4rem var(--gutter) 1.4rem;
}

.site-foot a {
  color: var(--frost);
}

.site-foot__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 2rem;
  max-width: var(--wide);
  margin: 0 auto;
}

.site-foot__lede {
  color: var(--on-dark-muted);
  max-width: 28rem;
}

.site-foot__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.site-foot h2 {
  color: var(--frost);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--sans);
}

.site-foot ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-foot li {
  margin: 0.28rem 0;
}

.site-foot__base {
  max-width: var(--wide);
  margin: 2rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--on-dark-muted);
  font-size: 0.9rem;
}

.site-foot__domain {
  margin: 0;
  font-family: var(--mono);
  letter-spacing: 0.06em;
}

.site-foot__domain a {
  color: var(--frost);
  text-decoration: none;
}

.site-foot__domain a:hover {
  color: #fff;
}

.cookie-banner,
.cookie-modal {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 60;
  padding: 0.9rem var(--gutter) 1rem;
}

.cookie-modal {
  inset: 0;
  background: rgba(14, 22, 36, 0.55);
  display: grid;
  place-items: end center;
}

.cookie-banner[hidden],
.cookie-modal[hidden] {
  display: none !important;
}

.cookie-banner__panel,
.cookie-modal__panel {
  background: #fffdf8;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 1.1rem;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  max-width: 58rem;
  margin: 0 auto;
}

.cookie-modal__panel {
  width: min(36rem, 100%);
  margin-bottom: 1.2rem;
}

.cookie-banner__actions,
.cookie-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.pref {
  display: grid;
  grid-template-columns: 1.2rem 1fr;
  gap: 0.65rem;
  margin: 0.8rem 0;
  align-items: start;
}

body.cookie-open {
  padding-bottom: 9rem;
}

.empty-page {
  min-height: 62vh;
  display: grid;
  align-content: center;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: #101b2c;
    border-bottom: 1px solid var(--glass-border);
    padding: 0.6rem var(--gutter) 1rem;
  }

  body.nav-open .site-nav {
    display: block;
  }

  .hero,
  .split,
  .split--invert,
  .manifest a,
  .manifest article,
  .brief,
  .faq-layout,
  .intake,
  .site-foot__grid {
    grid-template-columns: 1fr;
  }

  .rail {
    grid-template-columns: 1fr;
  }

  .rail__step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .faq-index {
    position: static;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 1rem;
  }

  .site-head__bar {
    display: none;
  }

  .brand__tag {
    display: none;
  }

  h1 {
    font-size: clamp(1.85rem, 9vw, 2.5rem);
  }

  .actions .btn,
  .cookie-banner__actions .btn {
    width: 100%;
  }
}

@media (max-width: 374px) {
  :root {
    --gutter: 0.9rem;
  }

  .brand__name {
    font-size: 0.92rem;
  }
}

@media (min-width: 1440px) {
  :root {
    --wide: 78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .node-pulse,
  .flow-line {
    animation: none;
  }
}