@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ─── Design Tokens ─────────────────────────────────────────── */
:root {
  --ink:        #0f0f0f;
  --ink-2:      #3a3a3a;
  --ink-3:      #6b6b6b;
  --rule:       #e2e2e2;
  --bg:         #fafaf8;
  --bg-2:       #f2f1ed;
  --accent:     #1a3a2a;
  --accent-2:   #2d6047;
  --accent-pale: #eaf2ed;
  --white:      #ffffff;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --max-w:   1080px;
  --max-w-text: 720px;
  --gap:     clamp(2rem, 5vw, 4rem);
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ─── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 400;
}
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin-bottom: 1.25rem; color: var(--ink-2); }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; color: var(--ink); }

/* ─── Layout ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}
.container--narrow {
  max-width: var(--max-w-text);
}
.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.section--bordered {
  border-top: 1px solid var(--rule);
}
.section--tinted {
  background: var(--bg-2);
}

/* ─── Navigation ─────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 2rem;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav__logo span {
  color: var(--accent-2);
}
.nav__links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  align-items: center;
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a.active { color: var(--accent-2); }
.nav__cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 0.5rem 1.1rem;
  border-radius: 3px;
  font-weight: 500 !important;
  font-size: 0.8rem !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background 0.15s !important;
}
.nav__cta:hover { background: var(--accent-2) !important; color: var(--white) !important; }
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--ink);
}

/* ─── Hero ─────────────────────────────────────────────────────  */
.hero {
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--rule);
}
.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1.25rem;
}
.hero__headline {
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  max-width: 820px;
}
.hero__headline em {
  font-style: italic;
  color: var(--accent-2);
}
.hero__sub {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--ink-2);
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.65;
}
.hero__stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule);
  margin-top: 1rem;
}
.hero__stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--ink);
  display: block;
  line-height: 1;
  margin-bottom: 0.3rem;
}
.hero__stat-label {
  font-size: 0.8rem;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 400;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.8rem 1.6rem;
  border-radius: 3px;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn--primary {
  background: var(--accent);
  color: var(--white);
}
.btn--primary:hover { background: var(--accent-2); }
.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn--outline:hover { background: var(--ink); color: var(--white); }
.btn--ghost {
  background: transparent;
  color: var(--accent-2);
  padding-left: 0;
  padding-right: 0;
}
.btn--ghost:hover { color: var(--accent); }
.btn--ghost::after { content: ' →'; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 2rem;
  border-radius: 4px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.07);
  transform: translateY(-2px);
}
.card__num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--rule);
  display: block;
  margin-bottom: 0.75rem;
  line-height: 1;
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--ink);
}
.card__body {
  font-size: 0.9rem;
  color: var(--ink-3);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.card__link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-2);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.card__link:hover { color: var(--accent); }
.card__link::after { content: ' →'; }

/* ─── Tables ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: 2rem 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
thead {
  background: var(--accent);
  color: var(--white);
}
th {
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-body);
}
td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-2);
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: var(--bg-2); }
.highlight-row td { background: var(--accent-pale) !important; font-weight: 500; color: var(--ink); }

/* ─── Page Header ─────────────────────────────────────────────── */
.page-header {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--rule);
}
.page-header__eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1rem;
}
.page-header__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  max-width: 700px;
}
.page-header__sub {
  font-size: 1.05rem;
  color: var(--ink-2);
  max-width: 600px;
  line-height: 1.65;
}

/* ─── Prose ───────────────────────────────────────────────────── */
.prose h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.015em;
}
.prose h3 {
  font-size: 1.15rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
}
.prose p { margin-bottom: 1.35rem; font-size: 1rem; }
.prose ul, .prose ol {
  margin: 1rem 0 1.35rem 1.5rem;
  color: var(--ink-2);
}
.prose li { margin-bottom: 0.5rem; }
.prose a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--accent); }

/* ─── Pull Quote ─────────────────────────────────────────────── */
.pull-quote {
  border-left: 3px solid var(--accent-2);
  padding: 1.25rem 0 1.25rem 2rem;
  margin: 2.5rem 0;
}
.pull-quote p {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--ink);
  line-height: 1.4;
  margin: 0;
}

/* ─── Callout ────────────────────────────────────────────────── */
.callout {
  background: var(--accent-pale);
  border: 1px solid #c2dac8;
  border-radius: 4px;
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}
.callout p { color: var(--ink-2); font-size: 0.95rem; margin: 0; }
.callout strong { color: var(--accent); }

/* ─── Contact Form ─────────────────────────────────────────────  */
.form-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr 1fr;
}
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field--full { grid-column: 1 / -1; }
label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}
input, select, textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color 0.15s;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(45, 96, 71, 0.08);
}
textarea { resize: vertical; min-height: 130px; }
.form-note {
  font-size: 0.8rem;
  color: var(--ink-3);
  margin-top: 0.75rem;
}
.form-success {
  display: none;
  background: var(--accent-pale);
  border: 1px solid #c2dac8;
  border-radius: 4px;
  padding: 1.5rem;
  text-align: center;
}
.form-success p { margin: 0; color: var(--accent); font-weight: 500; }

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--ink);
  color: var(--white);
  padding: clamp(2.5rem, 5vw, 4rem) 0 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 1.75rem;
}
.footer__brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--white);
}
.footer__brand span { color: #6db88a; }
.footer__tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}
.footer__heading {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1rem;
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer__links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color 0.15s;
}
.footer__links a:hover { color: var(--white); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer__copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

/* ─── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
  font-size: 0.78rem;
  color: var(--ink-3);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule);
}
.breadcrumb a { color: var(--ink-3); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { margin: 0 0.4rem; }

/* ─── Nav Grid (site index style) ───────────────────────────── */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.nav-grid__item {
  background: var(--white);
  padding: 1.5rem 1.75rem;
  text-decoration: none;
  display: block;
  transition: background 0.15s;
}
.nav-grid__item:hover { background: var(--bg-2); }
.nav-grid__label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-bottom: 0.35rem;
}
.nav-grid__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
}

/* ─── Divider ────────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* ─── Two-col layout ─────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.two-col--wide {
  grid-template-columns: 1.5fr 1fr;
}

/* ─── Calculator ─────────────────────────────────────────────── */
.calc {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 3rem;
}
.calc__header { margin-bottom: 1.5rem; }
.calc__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.calc__desc {
  font-size: 0.9rem;
  color: var(--ink-3);
  margin: 0;
}
.calc__inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.calc__field { display: flex; flex-direction: column; gap: 0.4rem; }
.calc__input-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--rule);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.calc__input-wrap:focus-within {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(45, 96, 71, 0.08);
}
.calc__input-wrap input {
  border: none;
  border-radius: 0;
  box-shadow: none;
  flex: 1;
  min-width: 0;
}
.calc__input-wrap input:focus { box-shadow: none; }
.calc__unit {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-3);
  padding: 0 1rem;
  background: var(--bg-2);
  align-self: stretch;
  display: flex;
  align-items: center;
  border-left: 1px solid var(--rule);
}
.calc__results { margin-bottom: 1.5rem; }
.calc__note {
  font-size: 0.78rem;
  color: var(--ink-3);
  line-height: 1.6;
  margin: 0;
}

/* Calculator result cards */
.calc-card {
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.75rem;
  transition: box-shadow 0.2s;
}
.calc-card--highlight {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px var(--accent-2);
}
.calc-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: default;
}
.calc-card--highlight .calc-card__header {
  background: var(--accent-pale);
}
.calc-card__name {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
}
.calc-card__badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--accent);
  color: var(--white);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}
.calc-card__body {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
}
.calc-card__stat {
  background: var(--white);
  padding: 0.85rem 1rem;
  text-align: center;
}
.calc-card--highlight .calc-card__stat {
  background: var(--bg);
}
.calc-card__val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  line-height: 1.2;
  display: block;
  margin-bottom: 0.2rem;
}
.calc-card__label {
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}
.calc-card__bar-wrap {
  padding: 0 1.25rem 1rem;
  border-top: 1px solid var(--rule);
}
.calc-card__bar-track {
  height: 6px;
  background: var(--bg-2);
  border-radius: 3px;
  margin-top: 0.75rem;
  overflow: hidden;
}
.calc-card__bar {
  height: 100%;
  border-radius: 3px;
  background: var(--accent-2);
  transition: width 0.4s ease;
}
.calc-card--highlight .calc-card__bar {
  background: var(--accent);
}
.calc-card__bar-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.35rem;
  font-size: 0.7rem;
  color: var(--ink-3);
}

/* Calculator sidebar */
.calc-sidebar {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.calc-sidebar__box {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.5rem;
}
.calc-sidebar__box--dark {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.calc-sidebar__label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.calc-sidebar__box--dark .calc-sidebar__label {
  color: rgba(255,255,255,0.5);
}
.calc-sidebar__box:not(.calc-sidebar__box--dark) .calc-sidebar__label {
  color: var(--ink-3);
}
.calc-sidebar__stats {
  display: grid;
  gap: 1rem;
}
.calc-sidebar__num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--white);
  line-height: 1;
}
.calc-sidebar__sub {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 0.2rem;
}
.calc-sidebar__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.calc-sidebar__links a {
  font-size: 0.88rem;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.15s;
}
.calc-sidebar__links a:hover { color: var(--accent-2); }

/* Calculator CTA */
.calc-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.calc-cta__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-bottom: 0.4rem;
}
.calc-cta__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
}
.calc-cta__desc {
  margin-top: 0.4rem;
  color: var(--ink-3);
  font-size: 0.9rem;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
  }
  .nav__toggle { display: block; }
  .two-col, .two-col--wide { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero__stats { gap: 2rem; }
  .calc__inputs { grid-template-columns: 1fr; }
  .calc-card__body { grid-template-columns: repeat(2, 1fr); }
}