:root {
  --pine: #17211e;
  --pine-2: #24312c;
  --paper: #efe6da;
  --paper-2: #f7f2eb;
  --ink: #17211e;
  --muted: #5e584f;
  --copper: #c45c32;
  --copper-deep: #9a3f1e;
  --cream: #f4efe6;
  --line: rgba(23, 33, 30, 0.14);
  --line-strong: rgba(23, 33, 30, 0.28);
  --shadow: 0 24px 60px rgba(23, 33, 30, 0.08);
  --serif: "Fraunces", "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: "Outfit", "Segoe UI", Helvetica, Arial, sans-serif;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(23, 33, 30, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 33, 30, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--pine);
  color: var(--cream);
  padding: 0.6rem 0.9rem;
  z-index: 30;
}
.skip:focus { top: 1rem; }

.wrap {
  width: min(var(--max), calc(100% - 2.4rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(239, 230, 218, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.6rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand img {
  width: 46px;
  height: 46px;
  border-radius: 12px;
}
.brand strong {
  display: block;
  font-family: var(--serif);
  font-weight: 560;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  line-height: 1;
}
.brand small {
  display: block;
  margin-top: 0.22rem;
  color: var(--copper-deep);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.nav a {
  text-decoration: none;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--copper-deep); }
.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  border: 1px solid transparent;
  background: var(--copper-deep);
  color: #fffaf6;
  padding: 0.85rem 1.15rem;
  border-radius: 4px;
  cursor: pointer;
  line-height: 1;
}
.btn:hover { background: #7c3016; }
.btn.dark { background: var(--pine); color: var(--cream); }
.btn.dark:hover { background: #0e1614; }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn.ghost:hover { border-color: var(--ink); }
.btn.light { background: var(--cream); color: var(--pine); }
.btn.light:hover { background: #fff; }
.btn[disabled] { opacity: 0.65; cursor: progress; }

.hero { padding: 4.2rem 0 3.2rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 3rem;
  align-items: end;
}
.kicker {
  margin: 0 0 1rem;
  color: var(--copper-deep);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 560; letter-spacing: -0.035em; line-height: 0.98; }
h1 { margin: 0; font-size: clamp(3.1rem, 7vw, 5.5rem); }
.lead {
  max-width: 38rem;
  margin: 1.3rem 0 0;
  font-size: 1.16rem;
  color: var(--muted);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.8rem; }
.sheet {
  background: var(--pine);
  color: var(--cream);
  padding: 1.3rem 1.3rem 0.4rem;
  box-shadow: var(--shadow);
}
.sheet p { margin: 0 0 0.2rem; font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: #d9b5a4; }
.sheet strong { display: block; margin-bottom: 1rem; font-weight: 500; font-size: 1.02rem; }
.promises {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 3rem;
}
.promises article { background: var(--paper-2); padding: 1.1rem 1rem 1.2rem; }
.promises span {
  display: block;
  font-family: var(--serif);
  color: var(--copper);
  font-size: 1.3rem;
  margin-bottom: 0.45rem;
}
.promises h2 {
  font-family: var(--sans);
  font-weight: 560;
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1.3;
  margin: 0;
}

.section { padding: 5rem 0; }
.section.dark { background: var(--pine); color: var(--cream); }
.section.dark .kicker { color: #e0b39f; }
.section h2 { margin: 0; font-size: clamp(2.2rem, 4.6vw, 3.7rem); max-width: 16ch; }
.intro { max-width: 38rem; color: var(--muted); margin: 1rem 0 0; }
.section.dark .intro { color: rgba(244, 239, 230, 0.74); }

.problem-grid, .service-grid, .method-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.2rem;
}
.problem-grid { grid-template-columns: 1fr 1fr; }
.problem-grid article, .service-grid article, .method-grid article, .segment, .step, .receive article, details {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 1.2rem 1.2rem 1.3rem;
}
.section.dark .problem-grid article {
  background: var(--pine-2);
  border-color: rgba(244, 239, 230, 0.1);
}
.problem-grid h3, .service-grid h3, .method-grid h3, .segment h3, .step h3, .receive h3 {
  font-family: var(--sans);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 0.45rem;
}
.problem-grid p, .service-grid p, .method-grid p, .segment p, .step p, .receive p, details p { margin: 0; color: var(--muted); }
.section.dark p { color: rgba(244, 239, 230, 0.76); }
.index {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.7rem;
}

.service-grid { grid-template-columns: 1fr 1fr; }
.service-grid ul, .method-grid ul { margin: 0.8rem 0 0; padding: 0; list-style: none; }
.service-grid li, .method-grid li {
  padding: 0.38rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.segments { margin-top: 1.6rem; display: grid; }
.segment {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  align-items: start;
  border-top: 0;
}
.segment:first-child { border-top: 1px solid var(--line); }
.segment h3 { margin-bottom: 0.25rem; }

.method-grid { grid-template-columns: repeat(3, 1fr); }
.steps { margin-top: 1.6rem; display: grid; }
.step { display: grid; grid-template-columns: 6rem 1fr; gap: 0.5rem 1rem; border-top: 0; }
.step:first-child { border-top: 1px solid var(--line); }
.step .index { margin: 0; padding-top: 0.15rem; }

.receive { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 2rem; align-items: start; }
.receive ul { margin: 1.2rem 0 0; padding: 0; list-style: none; }
.receive li { padding: 0.7rem 0; border-top: 1px solid var(--line); }

.faq { margin-top: 1.6rem; display: grid; gap: 0.6rem; }
details { padding: 0; background: transparent; }
summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-weight: 560;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--copper); font-family: var(--serif); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { padding: 0 1.1rem 1.1rem; }

.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 2rem; }
.mail-link { color: var(--cream); }
.section.dark .mail-link { text-underline-offset: 0.18em; }
form { display: grid; gap: 0.8rem; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
label { display: grid; gap: 0.35rem; font-size: 0.86rem; }
label.full { grid-column: 1 / -1; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(244, 239, 230, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--cream);
  border-radius: 4px;
  padding: 0.75rem 0.8rem;
}
input::placeholder, textarea::placeholder { color: rgba(244, 239, 230, 0.5); }
select option { color: var(--ink); }
textarea { min-height: 8rem; resize: vertical; }
.consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: rgba(244, 239, 230, 0.8); }
.consent input { width: auto; margin-top: 0.2rem; }
.form-note, .form-status { margin: 0; font-size: 0.92rem; }
.form-status[data-state="ok"] { color: #d7eccf; }
.form-status[data-state="err"] { color: #ffd0c2; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.site-footer { padding: 1.4rem 0 2rem; color: var(--muted); font-size: 0.92rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 1rem; }
.page-404 { min-height: 100vh; display: grid; align-items: center; padding: 4rem 0; }
.page-404 h1 { font-size: clamp(3rem, 8vw, 6rem); margin-bottom: 0.6rem; }

@media (max-width: 900px) {
  .hero-grid, .problem-grid, .service-grid, .method-grid, .receive, .contact-grid, .fields, .segment, .step {
    grid-template-columns: 1fr;
  }
  .promises { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.8rem 1.2rem 1rem;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav.open { display: flex; }
  .hero { padding-top: 2.4rem; }
  h1 { font-size: clamp(2.6rem, 12vw, 4rem); }
}
@media (max-width: 560px) {
  .promises { grid-template-columns: 1fr; }
  .header-cta { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}