/* ==========================================================================
   Drost Group — shared stylesheet
   Refined light / teal / amber. Firm register: considered, confident, quiet.
   ========================================================================== */

:root {
  --paper:        #FBFAF8;
  --paper-warm:   #F4F1EA;
  --ink:          #16211F;
  --ink-soft:     #3A4644;
  --muted:        #5F6D6A;
  --teal:         #0F5D57;
  --teal-deep:    #0A413D;
  --teal-tint:    #E7EFED;
  --amber:        #B87514;
  --amber-tint:   #F6EEDF;
  --rule:         #E2DED4;
  --rule-soft:    #EDEAE2;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 5vw, 3.5rem);
  --shell: 68rem;
}

/* ---------- reset ---------- */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-feature-settings: "kern" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--teal); text-decoration: none; }
a:hover, a:focus-visible { color: var(--teal-deep); }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- typography ---------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.14;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

h1 { font-size: clamp(2.35rem, 6.2vw, 4.15rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); line-height: 1.2; }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); line-height: 1.3; }

p { margin: 0 0 1.15em; max-width: var(--measure); }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 1.4rem;
  max-width: none;
}

.lede {
  font-size: clamp(1.125rem, 1.9vw, 1.3rem);
  line-height: 1.55;
  color: var(--ink-soft);
}

.dek {
  color: var(--muted);
  font-size: 1.0625rem;
}

/* ---------- layout ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(3.75rem, 8vw, 6.5rem); }
.section--tight { padding-block: clamp(2.75rem, 5vw, 4rem); }
.section--warm { background: var(--paper-warm); }
.section--rule { border-top: 1px solid var(--rule-soft); }

.section__head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.section__head p { margin-top: 1rem; }

/* ---------- skip link ---------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  z-index: 100;
  font-size: 0.9rem;
}
.skip:focus { left: 0; color: var(--paper); }

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.masthead__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-block: 1.5rem;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}
.wordmark:hover { color: var(--teal-deep); }
.wordmark span { color: var(--teal); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.65rem;
  font-size: 0.9375rem;
}

.nav a {
  color: var(--ink-soft);
  padding-block: 0.15rem;
  border-bottom: 1.5px solid transparent;
}
.nav a:hover { color: var(--teal-deep); border-bottom-color: var(--rule); }
.nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 500;
  border-bottom-color: var(--amber);
}

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

.hero {
  padding-block: clamp(4.5rem, 11vw, 8.5rem) clamp(3.5rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset-block: 0;
  right: -14rem;
  width: 34rem;
  background: radial-gradient(circle at 50% 45%, var(--teal-tint), transparent 68%);
  opacity: 0.85;
  pointer-events: none;
}

.hero .shell { position: relative; z-index: 1; }

.hero__thesis {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 6.6vw, 4.35rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 19ch;
  margin: 0;
  text-wrap: balance;
}
.hero__thesis em {
  font-style: normal;
  color: var(--teal);
}

.hero__sub {
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
  max-width: 38rem;
  font-size: clamp(1.09rem, 1.8vw, 1.24rem);
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- page header (interior pages) ---------- */

.pagehead {
  padding-block: clamp(3.25rem, 7vw, 5.25rem) clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--rule-soft);
}
.pagehead h1 { max-width: 17ch; }
.pagehead .lede { margin-top: 1.5rem; max-width: 36rem; }

/* ---------- rules & marks ---------- */

.rule-amber {
  width: 3rem;
  height: 3px;
  background: var(--amber);
  border: 0;
  margin: 0 0 1.75rem;
}

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

.grid {
  display: grid;
  gap: clamp(1.75rem, 3.5vw, 2.75rem);
}
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); }

.card {
  border-top: 2px solid var(--teal);
  padding-top: 1.35rem;
}
.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--muted); font-size: 1rem; max-width: none; }
.card__more {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.card__more::after { content: " \2192"; }

/* ---------- numbered blocks (focus / approach) ---------- */

.stack { display: grid; gap: clamp(2.5rem, 5vw, 4rem); }

.block {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0 clamp(1rem, 3vw, 2.5rem);
  align-items: start;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}
.block:first-child { border-top: 0; padding-top: 0; }

.block__num {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.06em;
  padding-top: 0.4rem;
}
.block__body h3 { margin-bottom: 0.85rem; }
.block__body p { color: var(--ink-soft); }

@media (max-width: 34rem) {
  .block { grid-template-columns: 1fr; gap: 0.5rem; }
  .block__num { padding-top: 0; }
}

/* ---------- pull / statement ---------- */

.statement {
  background: var(--teal-deep);
  color: #F2F6F5;
}
.statement h2, .statement p { color: inherit; }
.statement p { color: #C9D9D6; }
.statement .eyebrow { color: #7FBDB5; }
.statement a { color: #FFFFFF; }
.statement .btn {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: var(--teal-deep);
}
.statement .btn:hover, .statement .btn:focus-visible {
  background: var(--amber-tint);
  border-color: var(--amber-tint);
  color: var(--teal-deep);
}

.differentiator {
  border-left: 3px solid var(--amber);
  padding-left: clamp(1.25rem, 3vw, 2.25rem);
}
.differentiator p {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.45;
  color: var(--ink);
  max-width: 33rem;
}

/* ---------- CTA ---------- */

.btn {
  display: inline-block;
  background: var(--teal);
  color: #FFFFFF;
  font-family: var(--sans);
  font-size: 0.96rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--teal);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn:hover, .btn:focus-visible { background: var(--teal-deep); border-color: var(--teal-deep); color: #FFFFFF; }

.btn--ghost {
  background: transparent;
  color: var(--teal);
  border-color: var(--rule);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  background: transparent;
  color: var(--teal-deep);
  border-color: var(--teal);
}

.cta { padding-block: clamp(3.5rem, 7vw, 5.5rem); }
.cta h2 { max-width: 24ch; font-size: clamp(1.65rem, 3.2vw, 2.35rem); }
.cta p { margin-top: 1.15rem; }
.cta .btn { margin-top: 2rem; }

/* ---------- about ---------- */

.bio {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
@media (max-width: 46rem) { .bio { grid-template-columns: 1fr; } }

.bio__prose p { max-width: 36rem; }

/* portrait header */
.portrait {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  flex-wrap: wrap;
}
.portrait__img {
  width: clamp(8rem, 16vw, 13rem);
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 2px;
  flex: none;
  filter: saturate(0.96);
}
.portrait__text { flex: 1 1 20rem; min-width: 0; }
.portrait__text .lede { margin-top: 1.25rem; max-width: 30rem; }

.creds__second { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }

.creds {
  background: var(--paper-warm);
  border-top: 2px solid var(--amber);
  padding: 1.75rem;
}
.creds h2 {
  font-size: 0.72rem;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.1rem;
}
.creds ul { list-style: none; margin: 0; padding: 0; }
.creds li {
  padding-block: 0.7rem;
  border-top: 1px solid var(--rule);
  font-size: 0.98rem;
  color: var(--ink-soft);
}
.creds li:first-child { border-top: 0; padding-top: 0; }
.creds li strong { display: block; color: var(--ink); font-weight: 600; }
.creds li span { font-size: 0.9rem; color: var(--muted); }

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

.form { max-width: 33rem; display: grid; gap: 1.15rem; }

.field { display: grid; gap: 0.4rem; }
.field label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: #FFFFFF;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.75rem 0.85rem;
  width: 100%;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-tint);
}
.field textarea { min-height: 9rem; resize: vertical; }

.form .btn { justify-self: start; margin-top: 0.35rem; }

.fit {
  background: var(--teal-tint);
  padding: 1.5rem 1.65rem;
  border-radius: 2px;
}
.fit p { color: var(--teal-deep); font-size: 1rem; max-width: none; }

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

.footer {
  border-top: 1px solid var(--rule);
  padding-block: 2.75rem 3.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem 2.5rem;
}
.footer__nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1.5rem; }
.footer__nav a { color: var(--muted); }
.footer__nav a:hover { color: var(--teal-deep); }
.footer__mark {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-soft);
}

/* ---------- motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- print ---------- */

@media print {
  .masthead, .footer, .cta { display: none; }
  body { background: #fff; }
}