/* ============ Surface & Contact page styles ============ */
.surface-hero{
  padding: clamp(80px, 12vh, 160px) 0 clamp(72px, 10vh, 120px);
  border-bottom: 1px solid var(--rule);
  position: relative; overflow: hidden;
}
.surface-hero .wrap{ position: relative; z-index: 1; }
.surface-hero .crumbs{
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; color: var(--muted); margin-bottom: 36px;
}
.surface-hero .crumbs a{ color: var(--muted); transition: color .2s ease; }
.surface-hero .crumbs a:hover{ color: var(--ink); }
.surface-hero .crumbs .sep{ color: var(--muted-3); }
.surface-hero .crumbs .here{ color: var(--ink); }

.surface-hero .row{
  display: grid; grid-template-columns: 1fr; gap: 48px; align-items: end;
}
@media (min-width: 920px){ .surface-hero .row{ grid-template-columns: 1.5fr 1fr; gap: 80px; } }

.surface-hero .domain{
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--green); font-weight: 500;
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px;
}
.surface-hero .domain .tick{ width: 18px; height: 1px; background: var(--green-soft); }

.surface-hero h1{
  font-family: var(--serif);
  font-size: clamp(56px, 8vw, 120px);
  line-height: .98; letter-spacing: -0.03em;
  color: var(--ink); margin-bottom: 24px;
}
.surface-hero .tagline{
  font-family: var(--serif);
  font-size: clamp(22px, 2.3vw, 30px);
  line-height: 1.4; color: var(--ink-2);
  font-style: italic; max-width: 22ch; letter-spacing: -0.005em;
}
.surface-hero .lede{
  font-size: 16.5px; line-height: 1.7;
  color: var(--muted); max-width: 42ch;
}
.surface-hero .cta-row{ margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }

/* section shell for surface body */
.sec-block{
  padding: clamp(80px, 12vh, 140px) 0;
  border-bottom: 1px solid var(--rule);
}
.sec-block:last-of-type{ border-bottom: 0; }
.sec-block .head{
  display: grid; grid-template-columns: 1fr; gap: 28px;
  margin-bottom: clamp(48px, 7vh, 80px);
}
@media (min-width: 880px){ .sec-block .head{ grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 80px; align-items: end; } }
.sec-block .head h2{
  font-size: clamp(32px, 4vw, 52px); line-height: 1.1;
}

/* feature rows — 3 ideas per surface */
.rows{
  display: grid; grid-template-columns: 1fr; gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
@media (min-width: 820px){ .rows.cols-3{ grid-template-columns: repeat(3, 1fr); } }
.rows .cell{
  background: var(--ivory); padding: 44px 36px 52px;
  display: flex; flex-direction: column; gap: 14px; min-height: 280px;
}
.rows .cell .n{
  font-family: var(--serif); font-style: italic;
  color: var(--green); font-size: 14px;
}
.rows .cell h3{ font-size: clamp(24px, 2.2vw, 30px); line-height: 1.2; }
.rows .cell p{ color: var(--muted); font-size: 15.5px; line-height: 1.65; margin: 0; max-width: 32ch; }

/* Ndonga connection block */
.ndonga-block{
  background: var(--green-tint);
  border-top: 1px solid var(--green-soft);
  border-bottom: 1px solid var(--green-soft);
  padding: clamp(72px, 11vh, 120px) 0;
}
.ndonga-block .wrap{ display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 880px){ .ndonga-block .wrap{ grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: center; } }
.ndonga-block .meta{ display: flex; flex-direction: column; gap: 18px; }
.ndonga-block .tag{
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--green); font-weight: 500;
  display: inline-flex; align-items: center; gap: 10px; width: fit-content;
}
.ndonga-block .tag .tick{ width: 18px; height: 1px; background: var(--green); }
.ndonga-block h2{
  font-size: clamp(30px, 3.4vw, 44px); line-height: 1.15; color: var(--green);
}
.ndonga-block p{ color: var(--ink-2); font-size: 16px; line-height: 1.7; margin: 0; max-width: 42ch; }

.ndonga-block .example{
  background: var(--ivory); border: 1px solid var(--green-soft); border-radius: 14px;
  padding: 28px; display: flex; flex-direction: column; gap: 16px;
}
.ndonga-block .example .row{
  display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: center;
  padding: 14px 16px; background: var(--ivory-2); border-radius: 10px;
  border: 1px solid var(--rule);
}
.ndonga-block .example .row .s{ font-family: var(--serif); font-size: 17px; color: var(--ink); }
.ndonga-block .example .row .sig{ font-size: 14.5px; color: var(--muted); }
.ndonga-block .example .row .sig b{ color: var(--ink); font-weight: 500; }
.ndonga-block .example .connector{
  padding: 14px 18px; background: #fff;
  border: 1px dashed var(--green-soft); border-radius: 10px;
  font-size: 14.5px; color: var(--green); display: flex; gap: 10px; align-items: flex-start;
}
.ndonga-block .example .connector .lab{
  font-family: var(--serif); font-style: italic; flex: none;
}

/* closing band on surface pages */
.surface-closing{
  text-align: center; padding: clamp(100px, 16vh, 160px) 0 clamp(80px, 12vh, 120px);
}
.surface-closing h2{
  font-size: clamp(40px, 5vw, 72px); line-height: 1.06;
  max-width: 22ch; margin: 0 auto 24px;
}
.surface-closing p{ color: var(--muted); font-size: 17px; max-width: 44ch; margin: 0 auto 32px; }

/* ============ CONTACT ============ */
.contact-hero{
  padding: clamp(80px, 14vh, 180px) 0 clamp(60px, 9vh, 100px);
  border-bottom: 1px solid var(--rule);
}
.contact-hero .eyebrow{ margin-bottom: 28px; }
.contact-hero h1{
  font-size: clamp(52px, 7vw, 96px); line-height: 1.02;
  letter-spacing: -0.025em; max-width: 14ch; margin-bottom: 28px;
}
.contact-hero .lede{
  font-family: var(--serif); font-size: clamp(20px, 2vw, 26px);
  line-height: 1.45; color: var(--muted); max-width: 40ch;
}

.contact-body{ padding: clamp(72px, 10vh, 120px) 0 clamp(100px, 14vh, 160px); }
.contact-grid{
  display: grid; grid-template-columns: 1fr; gap: 56px;
}
@media (min-width: 960px){ .contact-grid{ grid-template-columns: 1fr 1.3fr; gap: 96px; } }

.contact-side h3{
  font-size: 22px; margin-bottom: 14px;
}
.contact-side p{ color: var(--muted); font-size: 15.5px; line-height: 1.7; margin: 0 0 24px; max-width: 38ch; }
.contact-side .detail{
  border-top: 1px solid var(--rule);
  padding: 20px 0 18px;
  display: flex; justify-content: space-between; gap: 12px;
}
.contact-side .detail:last-child{ border-bottom: 1px solid var(--rule); }
.contact-side .detail .k{
  font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); font-weight: 500;
}
.contact-side .detail .v{ font-family: var(--serif); font-size: 17px; color: var(--ink); }
.contact-side .detail .v a:hover{ color: var(--green); }

/* form */
form.contact{
  display: grid; grid-template-columns: 1fr; gap: 28px;
}
.field{
  display: flex; flex-direction: column; gap: 10px;
  position: relative;
}
.field.two{
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
@media (max-width: 640px){ .field.two{ grid-template-columns: 1fr; } }

.field label{
  font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); font-weight: 500;
}
.field input, .field textarea, .field select{
  font: inherit; font-family: var(--serif); font-size: 19px;
  color: var(--ink); background: transparent;
  border: 0; border-bottom: 1px solid var(--rule);
  padding: 10px 0 12px;
  outline: none; width: 100%;
  transition: border-color .25s ease;
  letter-spacing: -0.005em;
}
.field input::placeholder, .field textarea::placeholder{
  color: var(--muted-3); font-style: italic;
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color: var(--orange);
}
.field textarea{ resize: vertical; min-height: 120px; line-height: 1.45; }

.chips{
  display: flex; flex-wrap: wrap; gap: 8px;
}
.chip{
  padding: 8px 14px; border: 1px solid var(--rule); border-radius: 999px;
  font-size: 13.5px; color: var(--muted); cursor: pointer;
  background: var(--ivory);
  transition: all .2s ease;
  user-select: none;
}
.chip:hover{ color: var(--ink); border-color: #D7D4CA; }
.chip.on{
  background: var(--green-tint); color: var(--green);
  border-color: var(--green-soft);
}

.submit-row{
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; margin-top: 16px; flex-wrap: wrap;
}
.submit-row .note{
  font-size: 12.5px; color: var(--muted-2); max-width: 36ch;
}

.sent{
  display: none;
  background: var(--green-tint);
  border: 1px solid var(--green-soft);
  border-radius: 14px;
  padding: 28px 32px;
  color: var(--green);
}
.sent.show{ display: block; }
.sent .t{ font-family: var(--serif); font-size: 24px; line-height: 1.2; margin-bottom: 8px; }
.sent .d{ color: var(--ink-2); font-size: 15px; line-height: 1.6; }

/* Surface-specific tonal washes */
.tone-machant .surface-hero{ background: linear-gradient(180deg, var(--ivory) 0%, var(--ivory) 100%); }
.tone-hapa    .surface-hero{ background: linear-gradient(180deg, var(--ivory-2) 0%, var(--ivory) 100%); }
.tone-kaya    .surface-hero{ background: linear-gradient(180deg, var(--ivory) 0%, var(--ivory-3) 100%); }

/* giant word / hero visual */
.hero-mark{
  position: absolute; right: -4%; top: 50%;
  transform: translateY(-50%);
  opacity: .07; font-family: var(--serif);
  font-size: clamp(280px, 40vw, 520px);
  line-height: 1; letter-spacing: -0.05em; color: var(--green);
  pointer-events: none; white-space: nowrap;
  user-select: none;
}
@media (max-width: 920px){ .hero-mark{ display: none; } }