:root {
  --ink: #111315;
  --ink-soft: #262b2e;
  --muted: #636b6b;
  --paper: #fbfaf6;
  --paper-2: #f0f3ee;
  --mist: #e7efe9;
  --line: rgba(17, 19, 21, 0.12);
  --line-strong: rgba(17, 19, 21, 0.22);
  --lime: #a8ff3e;
  --cyan: #18c8d2;
  --coral: #ff654d;
  --blue: #3157ff;
  --graphite: #171b1e;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff 0, var(--paper) 460px, #f7f9f4 100%),
    var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(rgba(17, 19, 21, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 19, 21, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 78%);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 40px, var(--max));
  min-height: 74px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 246, 0.82);
  backdrop-filter: blur(20px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 36px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  color: var(--ink);
  background: var(--lime);
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 0.92rem;
  font-weight: 900;
}

.brand-name,
.site-footer span:first-child {
  color: var(--ink);
  font-weight: 750;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--blue);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 8px;
  font-weight: 850;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.header-cta {
  min-width: 98px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  color: var(--paper);
  background: var(--ink);
  box-shadow: 4px 4px 0 var(--lime);
}

.button {
  min-width: 198px;
  padding: 0 22px;
}

.button:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

.button-primary {
  border: 1px solid var(--ink);
  color: var(--ink);
  background: var(--lime);
  box-shadow: 5px 5px 0 var(--ink);
}

.button-secondary {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: 36px;
  width: min(100% - 40px, var(--max));
  min-height: 590px;
  margin: 0 auto;
  padding: 42px 0 54px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 610px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 640px;
  margin-bottom: 24px;
  font-size: 5.2rem;
  line-height: 0.93;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 650px;
  margin-bottom: 32px;
  color: var(--ink-soft);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-visual {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 16px 16px 0 rgba(17, 19, 21, 0.08);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 470px;
  object-fit: cover;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.42), transparent 45%);
}

.ops-strip {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.ops-strip span {
  min-height: 42px;
  padding: 10px;
  border: 1px solid rgba(17, 19, 21, 0.13);
  border-radius: 7px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 28px rgba(17, 19, 21, 0.08);
  font-size: 0.78rem;
  font-weight: 850;
  text-align: center;
  backdrop-filter: blur(12px);
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  width: min(100% - 40px, var(--max));
  margin: 0 auto 88px;
}

.proof-band div {
  min-height: 150px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(17, 19, 21, 0.06);
}

.proof-band div:nth-child(2) {
  transform: translateY(20px);
}

.proof-band strong {
  display: block;
  margin-bottom: 10px;
  color: var(--coral);
  font-size: 2.5rem;
  line-height: 1;
}

.proof-band span {
  color: var(--muted);
}

.section {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 88px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.36fr) minmax(0, 0.64fr);
  gap: 28px;
  margin-bottom: 34px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.section-heading h2,
.asksuls-copy h2,
.contact-copy h2,
.founder-block h2 {
  margin-bottom: 0;
  font-size: 4rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.capability-card {
  min-height: 310px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(17, 19, 21, 0.055);
}

.capability-card:nth-child(2),
.capability-card:nth-child(4) {
  transform: translateY(26px);
}

.card-index {
  display: block;
  margin-bottom: 48px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 900;
}

.capability-card h3,
.evidence-list h3,
.method-panel h3 {
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 1.18rem;
  line-height: 1.15;
}

.capability-card p,
.evidence-list p,
.method-panel p,
.method-panel li,
.asksuls-copy p,
.asksuls-metrics span,
.founder-block p,
.contact-copy p,
.contact-form label,
.site-footer {
  color: var(--muted);
}

.method-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 16px;
}

.method-tabs {
  display: grid;
  gap: 10px;
}

.method-tab {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.method-tab.is-active {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--lime);
  box-shadow: 5px 5px 0 var(--ink);
}

.method-panel {
  min-height: 350px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 48px rgba(17, 19, 21, 0.06);
}

.panel-kicker {
  color: var(--coral);
  font-weight: 900;
}

.method-panel h3 {
  max-width: 680px;
  font-size: 2.65rem;
}

.method-panel ul {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding-left: 20px;
}

.asksuls-section {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(320px, 0.42fr);
  gap: 34px;
  width: min(100% - 40px, var(--max));
  margin: 40px auto 0;
  padding: 54px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  color: var(--paper);
  background:
    linear-gradient(135deg, rgba(168, 255, 62, 0.22), rgba(24, 200, 210, 0.1)),
    var(--graphite);
  box-shadow: 12px 12px 0 var(--lime);
}

.asksuls-section .eyebrow,
.asksuls-section h2,
.asksuls-section strong {
  color: var(--paper);
}

.asksuls-section p,
.asksuls-section span {
  color: rgba(251, 250, 246, 0.72);
}

.asksuls-metrics {
  display: grid;
  gap: 12px;
}

.asksuls-metrics div {
  padding: 18px;
  border: 1px solid rgba(251, 250, 246, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.asksuls-metrics strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.evidence-list {
  display: grid;
  gap: 12px;
}

.evidence-list article {
  display: grid;
  grid-template-columns: 190px minmax(0, 0.42fr) minmax(0, 0.58fr);
  gap: 24px;
  min-height: 150px;
  padding: 24px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.evidence-list article:nth-child(2) {
  margin-left: 46px;
}

.evidence-list span {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.founder-section {
  padding-bottom: 56px;
}

.founder-block {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(280px, 0.38fr);
  gap: 48px;
  align-items: end;
  padding: 42px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(320px, 0.45fr);
  gap: 44px;
  width: min(100% - 40px, var(--max));
  margin: 0 auto 56px;
  padding: 82px 0 96px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 48px rgba(17, 19, 21, 0.07);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 760;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfaf6;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(168, 255, 62, 0.75);
  outline-offset: 2px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .site-header {
    width: min(100% - 28px, var(--max));
  }

  .brand-name {
    display: none;
  }

  .hero-section,
  .asksuls-section,
  .contact-section,
  .founder-block,
  .method-layout {
    grid-template-columns: 1fr;
  }

  .hero-section {
    width: min(100% - 28px, var(--max));
    min-height: auto;
    padding-top: 46px;
  }

  h1 {
    font-size: 4.35rem;
  }

  .section-heading h2,
  .asksuls-copy h2,
  .contact-copy h2,
  .founder-block h2 {
    font-size: 3.2rem;
  }

  .method-panel h3 {
    font-size: 2.35rem;
  }

  .hero-visual,
  .hero-visual img {
    min-height: 390px;
  }

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

  .section-heading,
  .evidence-list article {
    grid-template-columns: 1fr;
  }

  .capability-card:nth-child(2),
  .capability-card:nth-child(4),
  .proof-band div:nth-child(2),
  .evidence-list article:nth-child(2) {
    margin-left: 0;
    transform: none;
  }

  .section,
  .proof-band,
  .asksuls-section,
  .contact-section,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .header-cta {
    min-width: 88px;
    padding: 0 14px;
  }

  h1 {
    font-size: 2.7rem;
    line-height: 1;
  }

  .section-heading h2,
  .asksuls-copy h2,
  .contact-copy h2,
  .founder-block h2 {
    font-size: 2.35rem;
  }

  .method-panel h3 {
    font-size: 2rem;
  }

  .hero-section {
    padding-bottom: 40px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-visual,
  .hero-visual img {
    min-height: 330px;
  }

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

  .proof-band,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .capability-card {
    min-height: 250px;
  }

  .card-index {
    margin-bottom: 28px;
  }

  .asksuls-section {
    padding: 28px;
    box-shadow: 7px 7px 0 var(--lime);
  }

  .method-panel {
    padding: 24px;
  }
}
