/* Balchunas Sustainability — brand stylesheet
   Evergreen #1F4D2B · Sage #6B8E6B · Paper #F7F5EF · Light #EFEEE8
   Ink #1A1A1A · Muted #555555 · Cream #CFE0D0 · Gold #B8943B
   Headlines: Georgia (serif). Body: system sans.
*/

:root {
  --evergreen: #1F4D2B;
  --evergreen-dark: #163A20;
  --sage: #6B8E6B;
  --sage-light: #9CB39C;
  --paper: #F7F5EF;
  --light: #EFEEE8;
  --ink: #1A1A1A;
  --muted: #555555;
  --cream: #CFE0D0;
  --gold: #B8943B;
  --white: #FFFFFF;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1180px;
  --content-width: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--evergreen);
  line-height: 1.2;
  margin: 0 0 0.5em 0;
}

h1 { font-size: 3.2rem; letter-spacing: -0.01em; }
h2 { font-size: 2.1rem; letter-spacing: -0.005em; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }

p { margin: 0 0 1em 0; }
p.lead { font-family: var(--serif); font-style: italic; font-size: 1.25rem; color: var(--muted); }

a { color: var(--evergreen); text-decoration: underline; text-decoration-color: var(--sage); text-underline-offset: 3px; }
a:hover { color: var(--evergreen-dark); text-decoration-color: var(--gold); }

ul, ol { padding-left: 1.4em; margin: 0 0 1em 0; }
li { margin-bottom: 0.4em; }

strong { color: var(--evergreen); }

hr {
  border: 0;
  border-top: 1px solid var(--sage-light);
  margin: 2.5rem 0;
  opacity: 0.5;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: var(--content-width); margin: 0 auto; padding: 0 32px; }

/* -------------------- NAV -------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 239, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--light);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--evergreen);
  text-decoration: none;
  letter-spacing: 0.01em;
  line-height: 1.1;
}
.brand:hover { color: var(--evergreen-dark); }
.brand-sub {
  display: block;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
}
.nav-links a:hover { color: var(--evergreen); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--sage);
}

.nav-cta {
  background: var(--evergreen);
  color: var(--white);
  padding: 10px 18px;
  border-radius: 3px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--evergreen-dark); color: var(--white); }

/* Mobile menu toggle — hidden on desktop, shown below 900px */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--evergreen);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------------------- CREDENTIAL STRIP -------------------- */
.credential-strip {
  background: var(--evergreen-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.credential-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 36px;
}
.credential-inner span {
  color: var(--cream);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
}
.credential-inner span:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: -20px;
  color: var(--gold);
}
@media (max-width: 700px) {
  .credential-inner { flex-direction: column; align-items: center; gap: 10px; text-align: center; }
  .credential-inner span:not(:last-child)::after { display: none; }
}

/* -------------------- HERO -------------------- */
.hero {
  padding: 96px 32px 80px;
  background: var(--paper);
  border-bottom: 1px solid var(--light);
}
.hero-inner { max-width: var(--max-width); margin: 0 auto; }
.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 18px;
}
.hero h1 {
  max-width: 880px;
  margin-bottom: 24px;
}
.hero .lead {
  max-width: 720px;
  font-size: 1.35rem;
  line-height: 1.5;
  margin-bottom: 36px;
}

.hero-dark { background: var(--evergreen); border-bottom: 0; }
.hero-dark .eyebrow { color: var(--cream); }
.hero-dark h1 { color: var(--white); }
.hero-dark .lead { color: var(--cream); }
.hero-dark .btn-primary { background: var(--white); color: var(--evergreen); }
.hero-dark .btn-primary:hover { background: var(--cream); }
.hero-dark .btn-secondary { color: var(--white); border-color: var(--sage-light); }
.hero-dark .btn-secondary:hover { background: rgba(255,255,255,0.08); }

/* -------------------- BUTTONS -------------------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 3px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  transition: all 0.15s;
}
.btn-primary {
  background: var(--evergreen);
  color: var(--white);
  border: 1px solid var(--evergreen);
}
.btn-primary:hover { background: var(--evergreen-dark); color: var(--white); }

.btn-secondary {
  background: transparent;
  color: var(--evergreen);
  border: 1px solid var(--sage);
}
.btn-secondary:hover { background: var(--light); color: var(--evergreen); }

/* -------------------- SECTIONS -------------------- */
.section {
  padding: 80px 32px;
  border-bottom: 1px solid var(--light);
}
.section:last-child { border-bottom: 0; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-header {
  max-width: 720px;
  margin-bottom: 48px;
}
.section.dark {
  background: var(--evergreen);
  color: var(--cream);
}
.section.dark h2 { color: var(--white); }
.section.dark .lead { color: var(--cream); }
.section.dark a { color: var(--cream); text-decoration-color: var(--sage-light); }

.section.light-panel { background: var(--light); }

/* -------------------- GRIDS / CARDS -------------------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.card {
  background: var(--white);
  border-left: 3px solid var(--evergreen);
  padding: 28px 26px;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.card h3 { color: var(--evergreen); margin-top: 0; }
.card .price {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.7rem;
  color: var(--evergreen);
  margin: 8px 0 16px;
}
.card .tag {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
  font-weight: 700;
  margin-bottom: 12px;
}

.card-dark {
  background: var(--evergreen);
  color: var(--cream);
  border-left: 3px solid var(--gold);
}
.card-dark h3 { color: var(--white); }
.card-dark .price { color: var(--white); }
.card-dark .tag { color: var(--cream); }

/* Stat tile (compact, dark) */
.stat {
  background: var(--evergreen);
  color: var(--cream);
  padding: 32px 26px;
  border-radius: 2px;
}
.stat .stat-num {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--white);
  display: block;
  margin-bottom: 6px;
  line-height: 1.1;
}
.stat .stat-label {
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--cream);
}

/* -------------------- TABLES -------------------- */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--white);
  font-size: 0.95rem;
}
.pricing-table th,
.pricing-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--light);
}
.pricing-table th {
  background: var(--evergreen);
  color: var(--white);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1rem;
}
.pricing-table tr:last-child td { border-bottom: 0; }
.pricing-table td.price-cell {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--evergreen);
  font-size: 1.1rem;
  white-space: nowrap;
}
.pricing-table tr:hover td { background: var(--paper); }

/* -------------------- PROCESS STEPS -------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 24px;
}
.step {
  position: relative;
  padding: 0 0 0 56px;
}
.step-num {
  position: absolute;
  left: 0; top: 0;
  width: 40px; height: 40px;
  background: var(--evergreen);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.1rem;
}
.step h4 { margin: 6px 0 8px; color: var(--evergreen); }
.step p { font-size: 0.95rem; color: var(--muted); margin: 0; }

/* -------------------- LIST WITH CHECK -------------------- */
.checklist {
  list-style: none;
  padding: 0;
}
.checklist li {
  position: relative;
  padding: 10px 0 10px 32px;
  border-bottom: 1px solid var(--light);
}
.checklist li:last-child { border-bottom: 0; }
.checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 19px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--sage);
  border-bottom: 2px solid var(--sage);
  transform: rotate(-45deg);
}

/* -------------------- DOMAIN STRIP -------------------- */
.domains {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin: 32px 0;
}
.domain {
  background: var(--white);
  padding: 22px 18px;
  text-align: center;
  border-top: 3px solid var(--sage);
  border-radius: 2px;
}
.domain-icon {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--evergreen);
  font-weight: 700;
  margin-bottom: 8px;
}
.domain-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 4px;
}
.domain-sub {
  font-size: 0.82rem;
  color: var(--muted);
}

/* -------------------- KEY-VALUE ROWS -------------------- */
.kv {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 12px 32px;
  font-size: 0.96rem;
}
.kv dt {
  font-weight: 600;
  color: var(--evergreen);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-top: 2px;
}
.kv dd { margin: 0; }

/* -------------------- DISCLOSURE (Pre-revenue honesty) -------------------- */
.disclosure {
  background: var(--light);
  border-left: 3px solid var(--gold);
  padding: 24px 28px;
  margin: 32px 0;
  font-size: 0.96rem;
}
.disclosure h4 {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 8px;
}
.disclosure p:last-child { margin-bottom: 0; }

/* -------------------- FOOTER -------------------- */
.footer {
  background: var(--evergreen);
  color: var(--cream);
  padding: 60px 32px 32px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}
.footer h4 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--sans);
  margin-bottom: 16px;
}
.footer p { color: var(--cream); margin: 0 0 8px; font-size: 0.94rem; }
.footer a { color: var(--white); text-decoration-color: var(--sage-light); }
.footer a:hover { color: var(--cream); text-decoration-color: var(--gold); }
.footer .brand-large {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--white);
  font-weight: 700;
  line-height: 1.1;
  display: block;
  margin-bottom: 8px;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 32px;
  margin-top: 40px;
  border-top: 1px solid rgba(207, 224, 208, 0.2);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--sage-light);
}

/* -------------------- RESPONSIVE -------------------- */
@media (max-width: 900px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.6rem; }
  .hero { padding: 56px 24px 48px; }
  .hero .lead { font-size: 1.1rem; }
  .section { padding: 56px 24px; }
  .grid-3, .grid-2, .grid-5 { grid-template-columns: 1fr; }
  .domains { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .nav-inner { padding: 14px 20px; gap: 12px; flex-wrap: wrap; }
  .nav-toggle { display: flex; order: 3; }
  .nav { position: relative; }
  nav { order: 4; flex-basis: 100%; }
  .nav-links {
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    border-top: 1px solid var(--light);
    margin-top: 0;
  }
  .nav-links.open { max-height: 70vh; margin-top: 12px; }
  .nav-links li { margin: 0; }
  .nav-links a {
    display: block;
    padding: 14px 4px;
    border-bottom: 1px solid var(--light);
    font-size: 1rem;
  }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { color: var(--evergreen); font-weight: 700; }
  .nav-cta { order: 2; }
  .kv { grid-template-columns: 1fr; gap: 4px 0; }
  .kv dd { margin-bottom: 8px; }
}

@media (max-width: 600px) {
  .container, .container-narrow { padding: 0 20px; }
  .hero { padding: 40px 20px; }
  .section { padding: 40px 20px; }
}