/* Das Foundation — stylesheet */

:root {
  --forest:      #14352a;
  --forest-deep: #0d241c;
  --leaf:        #2f7d5d;
  --sprout:      #6ab98b;
  --sand:        #f7f5ef;
  --paper:       #ffffff;
  --ink:         #1a1f1c;
  --ink-soft:    #4d5751;
  --rule:        #e2ddd2;
  --max:         1180px;
  --pad:         clamp(1.25rem, 5vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--sand);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  color: var(--forest);
}

h1 { font-size: clamp(2.4rem, 6vw, 4.1rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.22rem; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--leaf); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--forest); }

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

.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.narrow { max-width: 68ch; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--forest);
  color: #fff;
  padding: 0.7rem 1.1rem;
  z-index: 100;
}

.skip-link:focus { left: 0; }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 245, 239, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 74px;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.16rem;
  font-weight: 600;
  color: var(--forest);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand .mark { width: 30px; height: 30px; flex: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  border-radius: 7px;
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--forest);
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.85rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  padding-block: 0.4rem;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--forest); }
.site-nav a[aria-current="page"] { color: var(--forest); border-bottom-color: var(--sprout); }

/* ---------- sections ---------- */

section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }

.eyebrow {
  font-family: "Inter", sans-serif;
  font-size: 0.775rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--leaf);
  margin-bottom: 1rem;
}

.lede { font-size: clamp(1.06rem, 1.9vw, 1.28rem); color: var(--ink-soft); }

/* ---------- hero ---------- */

.hero {
  background: linear-gradient(168deg, var(--forest) 0%, var(--forest-deep) 100%);
  color: #eef3ef;
  padding-block: clamp(4.5rem, 11vw, 8.5rem);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -25%;
  width: 62%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(106,185,139,0.20), transparent 68%);
  pointer-events: none;
}

.hero h1 { color: #fff; max-width: 15ch; position: relative; }
.hero .eyebrow { color: var(--sprout); }
.hero p { color: #c6d5cb; max-width: 56ch; font-size: clamp(1.06rem, 1.9vw, 1.28rem); position: relative; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2.2rem; position: relative; }

.page-head {
  background: var(--forest);
  color: #c6d5cb;
  padding-block: clamp(3rem, 7vw, 5rem);
}

.page-head h1 { color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.2rem); }
.page-head .eyebrow { color: var(--sprout); }
.page-head p { color: #c6d5cb; max-width: 60ch; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  padding: 0.82rem 1.65rem;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--sprout); color: var(--forest-deep); }
.btn-primary:hover { background: #85cca3; color: var(--forest-deep); }
.btn-ghost { border-color: rgba(255,255,255,0.35); color: #eef3ef; }
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }
.btn-dark { background: var(--forest); color: #fff; border: none; font-family: inherit; }
.btn-dark:hover { background: var(--leaf); color: #fff; }
.btn-outline { border-color: var(--forest); color: var(--forest); }
.btn-outline:hover { background: var(--forest); color: #fff; }

/* ---------- grids & cards ---------- */

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); }

.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 2rem 1.85rem;
}

.card .num {
  font-family: "Fraunces", Georgia, serif;
  font-size: 0.95rem;
  color: var(--sprout);
  display: block;
  margin-bottom: 0.9rem;
}

.card p { color: var(--ink-soft); font-size: 0.97rem; }

.split { display: grid; gap: clamp(2rem, 5vw, 4rem); grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); align-items: start; }

.narrow h3 { margin-top: 2rem; }
.narrow h3:first-child { margin-top: 0; }

.narrow ul { margin: 0 0 1.1em; padding-left: 1.15rem; color: var(--ink-soft); }
.narrow ul li { margin-bottom: 0.55rem; padding-left: 0.25rem; }
.narrow ul li::marker { color: var(--sprout); }
.narrow ul.steps { padding-left: 0; color: inherit; }

.band { background: var(--paper); border-block: 1px solid var(--rule); }
.band-dark { background: var(--forest); color: #c6d5cb; }
.band-dark h2, .band-dark h3 { color: #fff; }
.band-dark .eyebrow { color: var(--sprout); }
.band-dark .lede { color: #c6d5cb; }

/* ---------- steps ---------- */

.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }

.steps li {
  counter-increment: step;
  padding: 1.6rem 0 1.6rem 3.6rem;
  border-top: 1px solid var(--rule);
  position: relative;
}

.steps li:last-child { border-bottom: 1px solid var(--rule); }

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.75rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 0.95rem;
  color: var(--sprout);
}

.steps h3 { margin-bottom: 0.35rem; }
.steps p { color: var(--ink-soft); font-size: 0.97rem; }

.band-dark .steps li { border-color: rgba(255,255,255,0.14); }
.band-dark .steps p { color: #a9bcb0; }

/* ---------- faq ---------- */

details {
  border-top: 1px solid var(--rule);
  padding: 1.25rem 0;
}

details:last-of-type { border-bottom: 1px solid var(--rule); }

summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--forest);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--sprout); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin-top: 0.9rem; color: var(--ink-soft); font-size: 0.97rem; max-width: 72ch; }

/* ---------- form ---------- */

.field { display: block; margin-bottom: 1.15rem; }
.field span { display: block; font-size: 0.87rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--forest); }

.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.72rem 0.9rem;
  border: 1px solid var(--rule);
  border-radius: 9px;
  background: var(--paper);
  font: inherit;
  font-size: 0.96rem;
  color: var(--ink);
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--sprout);
  outline-offset: 1px;
  border-color: transparent;
}

.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.85rem; color: var(--ink-soft); margin-top: 1rem; }

/* ---------- footer ---------- */

.site-footer {
  background: var(--forest-deep);
  color: #9fb3a6;
  padding-block: 3.5rem 2rem;
  font-size: 0.92rem;
}

.site-footer h4 { color: #fff; font-family: "Inter", sans-serif; font-size: 0.8rem; letter-spacing: 0.13em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer a { color: #c6d5cb; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.5rem; }

.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.footer-brand p { max-width: 34ch; margin-top: 0.9rem; }

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.11);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: var(--sand);
    border-bottom: 1px solid var(--rule);
    padding: 0.5rem var(--pad) 1.25rem;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-top: 1px solid var(--rule); }
  .site-nav a { display: block; padding: 0.85rem 0; }
  .site-nav a[aria-current="page"] { border-bottom: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
  .btn:hover { transform: none; }
}