:root {
  --forest: #0b4d3d;
  --forest-dark: #063128;
  --mint: #dcf8eb;
  --lime: #d7ff45;
  --coral: #ff7567;
  --paper: #fbfffd;
  --ink: #10231e;
  --line: rgba(11, 77, 61, 0.22);
  --display: "Unbounded", Arial, sans-serif;
  --body: "Manrope", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}

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

a:focus-visible {
  outline: 4px solid var(--coral);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 15px;
  background: var(--paper);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: grid;
  min-height: 96px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 34px;
  padding: 16px clamp(22px, 4.5vw, 78px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.05;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50% 50% 12% 50%;
  background: var(--forest);
  color: var(--lime);
  font-family: var(--display);
  font-size: 22px;
}

nav {
  display: flex;
  gap: clamp(22px, 3vw, 44px);
}

nav a,
.header-contact {
  font-size: 14px;
  font-weight: 700;
}

nav a {
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

nav a:hover {
  border-color: var(--coral);
}

.header-contact {
  justify-self: end;
  padding: 11px 18px;
  border: 2px solid var(--forest);
  border-radius: 999px;
  color: var(--forest);
}

.header-contact:hover {
  background: var(--forest);
  color: var(--paper);
}

.hero {
  display: grid;
  min-height: calc(100vh - 96px);
  grid-template-columns: minmax(0, 1.04fr) minmax(410px, 0.96fr);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(62px, 8vw, 126px) clamp(28px, 6vw, 100px) clamp(56px, 7vw, 104px);
  background: var(--paper);
}

.hero-intro {
  max-width: 430px;
  margin: 0;
  color: var(--forest);
  font-size: 15px;
  font-weight: 700;
}

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

h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 1.02;
}

h1 {
  max-width: 920px;
  margin: clamp(74px, 10vw, 150px) 0;
  color: var(--forest);
  font-size: clamp(56px, 7.4vw, 112px);
  font-weight: 700;
  letter-spacing: -0.055em;
}

.hero-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 40px;
}

.hero-action p {
  max-width: 620px;
  margin: 0;
  color: #52665f;
  font-size: clamp(17px, 1.4vw, 21px);
}

.hero-action a {
  padding: 13px 19px;
  border-radius: 999px;
  background: var(--forest);
  color: var(--paper);
  font-weight: 700;
  white-space: nowrap;
}

.hero-action a:hover {
  background: var(--coral);
  color: var(--ink);
}

.ledger-visual {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  background: var(--mint);
  border-left: 1px solid var(--line);
}

.ledger-code {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  color: var(--forest);
  font-family: var(--display);
  font-size: clamp(90px, 13vw, 200px);
  font-weight: 800;
  letter-spacing: -0.1em;
  line-height: 0.8;
  transform: translate(-52%, -50%) rotate(-8deg);
}

.ledger-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 68px 68px;
}

.ledger-tab {
  position: absolute;
  z-index: 3;
  min-width: 150px;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 800;
  text-align: center;
}

.tab-one {
  top: 15%;
  left: 8%;
  background: var(--lime);
  transform: rotate(-8deg);
}

.tab-two {
  top: 33%;
  right: 5%;
  background: var(--coral);
  transform: rotate(7deg);
}

.tab-three {
  left: 14%;
  bottom: 19%;
  background: var(--forest);
  color: var(--paper);
  transform: rotate(5deg);
}

.ledger-stamp {
  position: absolute;
  right: 7%;
  bottom: 7%;
  z-index: 3;
  display: grid;
  width: 128px;
  height: 128px;
  place-items: center;
  border: 8px solid var(--forest);
  border-radius: 50%;
  color: var(--forest);
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  transform: rotate(-10deg);
}

.about {
  display: grid;
  grid-template-columns: 0.5fr 1.35fr 0.65fr;
  gap: clamp(34px, 6vw, 96px);
  padding: clamp(100px, 13vw, 190px) clamp(24px, 6vw, 102px);
  background: var(--forest);
  color: var(--paper);
}

.section-key,
.work-heading > p,
.method-heading > p,
.contact-title > p {
  font-size: 14px;
  font-weight: 800;
}

.section-key {
  color: var(--lime);
}

.about-copy h2,
.work-heading h2,
.method-heading h2,
.contact-title h2 {
  margin: 0;
  font-size: clamp(46px, 6vw, 88px);
  font-weight: 600;
  letter-spacing: -0.045em;
}

.about-copy p {
  max-width: 760px;
  margin: 36px 0 0;
  color: rgba(251, 255, 253, 0.72);
  font-size: clamp(18px, 1.5vw, 22px);
}

.about-note {
  align-self: end;
  padding: 24px;
  border-radius: 24px 24px 6px 24px;
  background: var(--lime);
  color: var(--ink);
}

.about-note span {
  display: block;
  margin-bottom: 15px;
  font-size: 13px;
  font-weight: 700;
}

.about-note strong {
  font-family: var(--display);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.25;
}

.work {
  padding: clamp(95px, 11vw, 165px) clamp(24px, 6vw, 102px);
  background: var(--paper);
}

.work-heading {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 48px;
  margin-bottom: clamp(62px, 8vw, 110px);
}

.work-heading > p {
  color: var(--coral);
}

.work-heading h2 {
  max-width: 940px;
  color: var(--forest);
}

.work-ledger {
  border-top: 2px solid var(--forest);
}

.work-ledger article {
  display: grid;
  grid-template-columns: 0.55fr 1.05fr 0.9fr auto;
  align-items: center;
  gap: clamp(24px, 4vw, 66px);
  min-height: 190px;
  padding: 34px 0;
  border-bottom: 2px solid var(--forest);
}

.ledger-label {
  color: var(--forest);
  font-size: 14px;
  font-weight: 800;
}

.work-ledger h3 {
  margin: 0;
  color: var(--forest);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 600;
}

.work-ledger p {
  max-width: 520px;
  margin: 0;
  color: #576860;
}

.status {
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.status-lime { background: var(--lime); }
.status-coral { background: var(--coral); }
.status-mint { background: var(--mint); }

.method {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(60px, 10vw, 160px);
  padding: clamp(100px, 13vw, 190px) clamp(24px, 6vw, 102px);
  background: var(--mint);
}

.method-heading > p {
  margin-bottom: 28px;
  color: var(--forest);
}

.method-heading h2 {
  color: var(--forest);
}

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

.method-list li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 26px;
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
}

.method-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.method-list > li > span {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50% 50% 12% 50%;
  background: var(--forest);
  color: var(--lime);
  font-family: var(--display);
  font-weight: 700;
}

.method-list h3 {
  margin-bottom: 14px;
  color: var(--forest);
  font-size: clamp(27px, 3vw, 42px);
  font-weight: 600;
}

.method-list p {
  max-width: 590px;
  margin: 0;
  color: #52665f;
}

.contact {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 80px;
  padding: clamp(96px, 12vw, 170px) clamp(24px, 6vw, 102px);
  background: var(--coral);
}

.contact-title > p {
  margin-bottom: 28px;
  color: var(--forest-dark);
}

.contact-title h2 {
  max-width: 820px;
  color: var(--forest-dark);
}

.contact-list {
  align-self: end;
}

.contact-list a {
  display: block;
  padding: 24px 0 27px;
  border-top: 2px solid var(--forest-dark);
}

.contact-list a:last-child {
  border-bottom: 2px solid var(--forest-dark);
}

.contact-list span {
  display: block;
  margin-bottom: 6px;
  color: rgba(6, 49, 40, 0.68);
  font-size: 13px;
  font-weight: 700;
}

.contact-list strong {
  color: var(--forest-dark);
  font-family: var(--display);
  font-size: clamp(21px, 2.3vw, 34px);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.contact-list a:hover strong {
  color: var(--paper);
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(24px, 6vw, 102px);
  background: var(--forest-dark);
  color: rgba(251, 255, 253, 0.7);
  font-size: 13px;
}

footer p { margin: 0; }
footer a { color: var(--lime); font-weight: 700; }

@media (max-width: 1020px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .ledger-visual { min-height: 580px; border-left: 0; border-top: 1px solid var(--line); }
  .about { grid-template-columns: 0.5fr 1.5fr; }
  .about-note { grid-column: 2; }
  .work-ledger article { grid-template-columns: 0.5fr 1fr 1fr; }
  .status { display: none; }
  .method, .contact { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .site-header { min-height: 84px; padding: 14px 18px; }
  .brand-mark { width: 44px; height: 44px; }
  .header-contact { padding: 9px 14px; font-size: 13px; }
  .hero { min-height: 0; }
  .hero-copy { padding: 60px 22px 68px; }
  h1 { margin: 72px 0; font-size: clamp(52px, 16vw, 78px); }
  .hero-action { grid-template-columns: 1fr; }
  .hero-action a { width: max-content; }
  .ledger-visual { min-height: 480px; }
  .ledger-code { font-size: 26vw; }
  .ledger-tab { min-width: 118px; padding: 11px 14px; }
  .ledger-stamp { width: 100px; height: 100px; border-width: 6px; }
  .about, .work-heading { grid-template-columns: 1fr; }
  .about-note { grid-column: auto; }
  .work-ledger article { grid-template-columns: 1fr; gap: 21px; padding: 34px 0 40px; }
  .method-list li { grid-template-columns: 58px 1fr; }
  footer { align-items: flex-start; flex-direction: column; }
}

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