:root {
  --paper: #fbf8f1;
  --paper-soft: #f4efe5;
  --ink: #25312f;
  --muted: #697673;
  --line: #ded7c9;
  --water: #dbe8e4;
  --water-deep: #6d8f88;
  --harbor: #3d5f59;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(51, 63, 59, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 2%, rgba(219, 232, 228, 0.68), transparent 34rem),
    linear-gradient(180deg, var(--paper) 0%, #f8f4ec 44%, #f6f0e6 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--harbor);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.1rem, 4vw, 3.5rem);
  background: rgba(251, 248, 241, 0.88);
  border-bottom: 1px solid rgba(222, 215, 201, 0.76);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 1.05rem;
  height: 1.05rem;
  border: 1px solid rgba(61, 95, 89, 0.46);
  border-radius: 50%;
  background: linear-gradient(180deg, #eef6f2 0%, #cbded8 100%);
  box-shadow: inset 0 -4px 8px rgba(61, 95, 89, 0.12);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 0.85rem;
  font-size: 0.94rem;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--ink);
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  min-height: 78vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  padding: clamp(3rem, 8vw, 7rem) 0 3.2rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--harbor);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 14ch;
  margin-bottom: 1.1rem;
  font-size: clamp(3.1rem, 14vw, 6.3rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.page-title {
  max-width: 18ch;
  font-size: clamp(2.4rem, 9vw, 4.6rem);
}

h2 {
  margin-bottom: 1.2rem;
  font-size: clamp(1.65rem, 4vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.hero-copy {
  max-width: 46rem;
  color: #46534f;
  font-size: clamp(1.06rem, 3vw, 1.3rem);
}

.lead {
  max-width: 50rem;
  color: #45524f;
  font-size: 1.08rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.78rem 1.08rem;
  border: 1px solid rgba(61, 95, 89, 0.38);
  border-radius: 999px;
  color: var(--harbor);
  background: rgba(255, 255, 255, 0.52);
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  color: var(--white);
  background: var(--harbor);
  border-color: var(--harbor);
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.hero-visual {
  position: relative;
  min-height: 22rem;
  border: 1px solid rgba(222, 215, 201, 0.86);
  border-radius: 0.8rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(244, 239, 229, 0.82)),
    repeating-linear-gradient(0deg, rgba(61, 95, 89, 0.03), rgba(61, 95, 89, 0.03) 1px, transparent 1px, transparent 30px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.water-line,
.water-line::before,
.water-line::after {
  position: absolute;
  right: -6rem;
  left: -6rem;
  height: 8rem;
  border: 1px solid rgba(109, 143, 136, 0.22);
  border-radius: 50%;
}

.water-line {
  bottom: 2.8rem;
  background: rgba(219, 232, 228, 0.34);
}

.water-line::before,
.water-line::after {
  content: "";
  bottom: 1.6rem;
}

.water-line::after {
  bottom: 3.2rem;
}

.matter-card {
  position: absolute;
  top: 3.2rem;
  left: 50%;
  width: min(78%, 24rem);
  padding: 1.25rem;
  border: 1px solid rgba(222, 215, 201, 0.9);
  border-radius: 0.7rem;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 42px rgba(51, 63, 59, 0.1);
  transform: translateX(-50%) rotate(-1deg);
}

.matter-card p {
  margin-bottom: 1rem;
  color: #56625f;
}

.matter-rule {
  height: 1px;
  margin: 0.7rem 0;
  background: rgba(61, 95, 89, 0.16);
}

.section {
  padding: clamp(2.4rem, 6vw, 5rem) 0;
  border-top: 1px solid rgba(222, 215, 201, 0.8);
}

.grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.25rem;
  border: 1px solid rgba(222, 215, 201, 0.9);
  border-radius: 0.7rem;
  background: rgba(255, 255, 255, 0.46);
}

.card p,
.section p,
li {
  color: #52605c;
}

.soft-panel {
  padding: clamp(1.35rem, 4vw, 2rem);
  border: 1px solid rgba(109, 143, 136, 0.26);
  border-radius: 0.8rem;
  background: rgba(219, 232, 228, 0.28);
}

.content-page {
  max-width: 820px;
  padding: clamp(2.6rem, 7vw, 5rem) 0;
}

.content-page section {
  padding: 1.45rem 0;
  border-top: 1px solid rgba(222, 215, 201, 0.8);
}

.content-page ul {
  padding-left: 1.25rem;
}

.mono-card {
  padding: 1rem;
  border: 1px solid rgba(222, 215, 201, 0.9);
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.5);
  color: #45524f;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
  white-space: pre-wrap;
}

.site-footer {
  margin-top: 2rem;
  padding: 2rem clamp(1.1rem, 4vw, 3.5rem);
  border-top: 1px solid rgba(222, 215, 201, 0.9);
  color: var(--muted);
  background: rgba(244, 239, 229, 0.72);
}

.footer-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
}

@media (min-width: 760px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
  }

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

  .grid.steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 20rem;
  }
}