:root {
  --paper: #fbfaf6;
  --ink: #102a43;
  --ink-soft: #526777;
  --line: #d9e2dc;
  --band: #b9f4d4;
  --band-strong: #19a974;
  --actual: #102a43;
  --coral: #ff6b4a;
  --white: #ffffff;
  --radius: 2px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}
h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.mono {
  font-family: "IBM Plex Mono", monospace;
}
a {
  color: inherit;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ===== NAV ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background: transparent;
  border-bottom: 0;
  transition:
    background 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}
header.header-scrolled {
  background: rgba(251, 250, 246, 0.68);
  border-bottom: 1px solid rgba(217, 226, 220, 0.72);
  box-shadow: 0 8px 24px rgba(16, 42, 67, 0.06);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
}
nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
  color: var(--ink);
}
.logo-mark {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.desktop-nav-links {
  display: flex;
}
#mobile-menu {
  display: none;
}
.nav-links a {
  text-decoration: none;
  font-size: 14.5px;
  color: var(--ink-soft);
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover {
  color: var(--band-strong);
}
.mobile-nav-cta {
  display: none;
}
.nav-cta {
  display: inline-block;
  padding: 9px 18px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background 0.15s ease;
}
.nav-cta:hover {
  background: var(--band-strong);
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: rgba(251, 250, 246, 0.5);
  border: 1px solid rgba(16, 42, 67, 0.16);
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}
.menu-toggle:hover,
.menu-toggle:focus-visible {
  background: rgba(185, 244, 212, 0.7);
  border-color: var(--band-strong);
  outline: none;
}
.menu-toggle svg {
  width: 24px;
  height: 24px;
}
.menu-line {
  transform-origin: 12px 12px;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}
.menu-toggle[aria-expanded="true"] .menu-line-top {
  transform: translateY(6px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-line-middle {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-line-bottom {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 820px) {
  #mobile-menu {
    display: contents;
  }
  .desktop-nav-links {
    display: none;
  }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    bottom: 0;
    min-height: calc(100dvh - 76px);
    background: var(--paper);
    border-top: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    flex-direction: column;
    padding: 22px 24px 24px;
    gap: 8px;
    transform: translate3d(calc(100% + 32px), 0, 0);
    visibility: hidden;
    pointer-events: none;
    transition:
      transform 0.25s ease,
      opacity 0.25s ease,
      visibility 0.25s ease;
    opacity: 0;
    z-index: 40;
  }
  .nav-links.open {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
    opacity: 1;
  }
  .nav-cta {
    display: none;
  }
  .nav-links a {
    display: block;
    padding: 15px 0;
    font-size: 20px;
    border-bottom: 1px solid rgba(217, 226, 220, 0.8);
  }
  .nav-links li:last-child a {
    border-bottom: 0;
  }
  .mobile-nav-cta {
    display: block;
    margin-top: auto;
    padding-top: 18px;
  }
  .nav-links .mobile-nav-cta a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    color: var(--paper);
    background: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
  }
  .nav-links .mobile-nav-cta a:hover {
    color: var(--paper);
    background: var(--band-strong);
    border-color: var(--band-strong);
  }
  .menu-toggle {
    display: flex;
  }
}
@media (max-width: 820px) {
  body.menu-open {
    overflow: hidden;
  }
  body.menu-open header {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* ===== HERO ===== */
.hero {
  padding: 88px 0 64px;
}
.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--band-strong);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--band-strong);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.06;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  color: var(--band-strong);
}
.hero p.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  padding: 14px 26px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  transition: all 0.15s ease;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--band-strong);
  border-color: var(--band-strong);
}
.btn-secondary {
  background: transparent;
  color: var(--ink);
  padding: 14px 26px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  transition: all 0.15s ease;
  display: inline-block;
}
.btn-secondary:hover {
  border-color: var(--band-strong);
  color: var(--band-strong);
}
.hero-note {
  font-size: 13px;
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
}

/* chart signature */
.chart-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px 18px;
  box-shadow: 0 24px 48px -24px rgba(14, 34, 51, 0.18);
}
.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.chart-head .label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.chart-head .value {
  font-family: "IBM Plex Mono", monospace;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
}
.legend {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
}
.swatch {
  width: 14px;
  height: 3px;
  border-radius: 2px;
}

.band-path {
  fill: var(--band);
  opacity: 0.55;
}
.actual-path {
  fill: none;
  stroke: var(--actual);
  stroke-width: 2.25;
}
.forecast-path {
  fill: none;
  stroke: var(--band-strong);
  stroke-width: 2.25;
  stroke-dasharray: 5 5;
}
.divider-line {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}
.dot {
  fill: var(--coral);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== SECTION SHARED ===== */
section {
  padding: 76px 0;
}
.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  margin-bottom: 14px;
}
.section-head p {
  color: var(--ink-soft);
  font-size: 16.5px;
}
.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.band-alt {
  background: var(--white);
}

/* problem */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.problem-card {
  background: var(--paper);
  padding: 30px 26px;
}
.problem-card .num {
  font-family: "IBM Plex Mono", monospace;
  color: var(--coral);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}
.problem-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-family: "DM Sans", sans-serif;
  font-weight: 600;
}
.problem-card p {
  color: var(--ink-soft);
  font-size: 14.5px;
}
@media (max-width: 820px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

/* how it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 8px;
}
.step .step-num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 15px;
  color: var(--band-strong);
  font-weight: 600;
  display: block;
  margin-bottom: 16px;
}
.step h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.step p {
  color: var(--ink-soft);
  font-size: 14.5px;
}
@media (max-width: 820px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* methodology */
.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.method-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.method-list li {
  padding-left: 26px;
  position: relative;
  color: var(--ink-soft);
  font-size: 15px;
}
.method-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--band-strong);
  font-weight: 600;
}
.method-list strong {
  color: var(--ink);
  font-weight: 600;
}
.ci-box {
  background: var(--ink);
  color: var(--paper);
  padding: 30px;
  border-radius: var(--radius);
}
.ci-box .mono {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--band);
  margin-bottom: 14px;
  display: block;
}
.ci-box p {
  font-size: 15px;
  color: #c9d6dc;
  margin-bottom: 18px;
}
.ci-box .range {
  font-family: "IBM Plex Mono", monospace;
  font-size: 28px;
  color: var(--white);
}
.ci-box .range span {
  color: var(--band);
  font-size: 15px;
}
@media (max-width: 820px) {
  .method-grid {
    grid-template-columns: 1fr;
  }
}

/* use cases */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.case-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  background: var(--paper);
  transition:
    border-color 0.15s ease,
    transform 0.15s ease;
}
.case-card:hover {
  border-color: var(--band-strong);
  transform: translateY(-3px);
}
.case-tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral);
  margin-bottom: 14px;
  display: inline-block;
}
.case-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.case-card p {
  color: var(--ink-soft);
  font-size: 14.5px;
}
@media (max-width: 820px) {
  .cases {
    grid-template-columns: 1fr;
  }
}

/* success stories */
.stories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.story-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px;
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.story-avatar {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 16px;
}
.story-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 10px;
}
.story-quote {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
}
@media (max-width: 900px) {
  .stories-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .stories-grid {
    grid-template-columns: 1fr;
  }
}

/* pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.price-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border-color: var(--ink);
  box-shadow: 0 20px 40px -20px rgba(14, 34, 51, 0.25);
}
.plan-name {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--band-strong);
  margin-bottom: 16px;
}
.price {
  font-family: "Space Grotesk", sans-serif;
  font-size: 36px;
  margin-bottom: 6px;
}
.price span {
  font-size: 15px;
  color: var(--ink-soft);
  font-family: "DM Sans", sans-serif;
}
.plan-desc {
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 24px;
}
.plan-feats {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 28px;
  flex-grow: 1;
}
.plan-feats li {
  font-size: 14px;
  color: var(--ink);
  padding-left: 22px;
  position: relative;
}
.plan-feats li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--band-strong);
  font-weight: 600;
}
.plan-btn {
  text-align: center;
  padding: 12px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  transition: all 0.15s ease;
}
.plan-btn:hover {
  background: var(--ink);
  color: var(--paper);
}
.price-card.featured .plan-btn {
  background: var(--ink);
  color: var(--paper);
}
.price-card.featured .plan-btn:hover {
  background: var(--band-strong);
  border-color: var(--band-strong);
}
@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
}

/* about */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-grid p {
  color: var(--ink-soft);
  font-size: 16px;
  margin-bottom: 16px;
}
.founder-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--white);
}
.founder-card .role {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  color: var(--band-strong);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.founder-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.founder-card p {
  color: var(--ink-soft);
  font-size: 14.5px;
}
@media (max-width: 820px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

/* blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.blog-card {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}
.blog-cat {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--coral);
  letter-spacing: 0.08em;
}
.blog-card h3 {
  font-size: 16.5px;
  margin: 10px 0 8px;
  line-height: 1.3;
}
.blog-card p {
  color: var(--ink-soft);
  font-size: 13.5px;
}
@media (max-width: 820px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
.contact-info h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--ink-soft);
  font-size: 15.5px;
  margin-bottom: 24px;
}
.contact-detail {
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 8px;
}
form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  display: block;
}
input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: "DM Sans", sans-serif;
  font-size: 14.5px;
  background: var(--white);
  color: var(--ink);
}
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--band-strong);
  outline-offset: 1px;
  border-color: var(--band-strong);
}
textarea {
  resize: vertical;
  min-height: 100px;
}
.submit-btn {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 14px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.submit-btn:hover {
  background: var(--band-strong);
}
.form-msg {
  font-size: 14px;
  padding: 12px 14px;
  border-radius: var(--radius);
  display: none;
}
.form-msg.show {
  display: block;
}
.form-msg.success {
  background: #e4f3f0;
  color: var(--band-strong);
  border: 1px solid var(--band-strong);
}
@media (max-width: 820px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* footer */
footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-brand .logo {
  margin-bottom: 14px;
}
.footer-brand p {
  color: var(--ink-soft);
  font-size: 13.5px;
  max-width: 260px;
}
.footer-col h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
  transition: color 0.15s ease;
}
.footer-col a:hover {
  color: var(--band-strong);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}
@media (max-width: 820px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== PRODUCT-LED LANDING PASS ===== */
body::before {
  display: none;
}
body {
  background: #f5f7f6;
}
header {
  background: transparent;
}
.hero {
  min-height: 100svh;
  padding: 104px 0 70px;
  background: #eef7f3;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
}
.hero-grid {
  gap: 72px;
}
.hero h1 {
  font-size: clamp(38px, 4.6vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 500;
  max-width: 580px;
}
.hero h1 em {
  color: var(--band-strong);
}
.hero p.lede {
  font-size: 19px;
  line-height: 1.6;
  max-width: 530px;
}
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--ink-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-proof span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--band-strong);
  flex-shrink: 0;
}
.hero-proof strong {
  color: var(--ink);
  font-weight: 600;
}
.hero-note {
  font-size: 12px;
  letter-spacing: 0.01em;
}
.chart-card {
  border-radius: 10px;
  padding: 28px 24px 20px;
  box-shadow: 0 22px 60px -30px rgba(14, 34, 51, 0.32);
  transform: rotate(1deg);
}
.chart-card::before {
  content: "DEMAND FORECAST";
  display: block;
  font:
    600 10px "IBM Plex Mono",
    monospace;
  color: var(--band-strong);
  letter-spacing: 0.14em;
  margin-bottom: 18px;
}
.chart-head .value {
  font-size: 26px;
}
.signal-strip {
  padding: 22px 0;
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.signal-grid div {
  display: flex;
  flex-direction: column;
  gap: 3px;
  border-left: 1px solid rgba(245, 247, 246, 0.22);
  padding-left: 18px;
}
.signal-grid strong {
  font:
    500 18px "IBM Plex Mono",
    monospace;
  color: var(--band);
}
.signal-grid span {
  font-size: 12px;
  color: #c9d6dc;
}
.band {
  background: #eaf3f0;
}
.band-alt {
  background: var(--white);
}
section {
  padding: 96px 0;
}
.section-head {
  margin-bottom: 54px;
}
.section-head h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.03;
  letter-spacing: -0.025em;
}
.section-head p {
  max-width: 570px;
}
.problem-grid {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 32px -28px rgba(14, 34, 51, 0.5);
}
.problem-card {
  padding: 34px 28px;
}
.problem-card h3 {
  font-weight: 700;
}
.steps {
  gap: 0;
  border-top: 1px solid var(--line);
}
.step {
  padding: 28px 30px 0 0;
  border-right: 1px solid var(--line);
  margin-right: 30px;
  min-height: 180px;
}
.step:last-child {
  border-right: 0;
  margin-right: 0;
}
.step .step-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
}
.step h3 {
  font-size: 22px;
}
.case-card,
.price-card,
.founder-card,
.story-card {
  border-radius: 10px;
}
.case-card {
  background: var(--white);
  padding: 30px 26px;
}
.price-card {
  padding: 34px 28px;
}
.price-card.featured {
  border: 2px solid var(--band-strong);
  position: relative;
}
.price-card.featured::before {
  content: "MOST POPULAR";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--band-strong);
  color: var(--white);
  padding: 4px 10px;
  border-radius: 2px;
  font:
    600 10px "IBM Plex Mono",
    monospace;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.submit-btn {
  border-radius: 6px;
}
@media (max-width: 820px) {
  .hero {
    padding-top: 132px;
  }
  .hero-grid {
    gap: 48px;
  }
  .chart-card {
    transform: none;
  }
  .signal-grid {
    grid-template-columns: 1fr 1fr;
  }
  .signal-grid div {
    border-left: 0;
    padding-left: 0;
  }
  .step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    margin-right: 0;
    padding-right: 0;
    min-height: 0;
    padding-bottom: 24px;
  }
  .step:last-child {
    border-bottom: 0;
  }
}
@media (max-width: 520px) {
  .wrap {
    padding: 0 20px;
  }
  .hero h1 {
    font-size: 40px;
  }
  .hero {
    padding-top: 124px;
  }
  section {
    padding: 72px 0;
  }
  .signal-grid {
    gap: 18px 12px;
  }
  .signal-grid strong {
    font-size: 15px;
  }
}

/* legal pages (simple sections) */
.legal {
  padding: 100px 0 80px;
  max-width: 760px;
  margin: 0 auto;
}
.legal h1 {
  font-size: 32px;
  margin-bottom: 8px;
}
.legal .updated {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-bottom: 32px;
}
.legal h2 {
  font-size: 19px;
  margin: 28px 0 10px;
}
.legal p,
.legal li {
  color: var(--ink-soft);
  font-size: 15px;
  margin-bottom: 12px;
}
.legal ul {
  padding-left: 20px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--band-strong);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 32px;
}