/* Silva Strategy Group — site styles */
:root {
  --paper: #FAF6EF;
  --paper-tint: #F6F1E7;
  --paper-card: #FFFDF9;
  --navy: #1B2A3D;
  --brass: #B8895D;
  --slate: #4A6B7C;
  --ink: #2B2B28;
  --body: #3D4650;
  --serif: Fraunces, Georgia, "Times New Roman", serif;
  --sans: "Work Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --hairline: rgba(27, 42, 61, 0.1);
  --hairline-strong: rgba(27, 42, 61, 0.16);
  --wrap: 1120px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--brass); text-decoration: none; }
a:hover { color: var(--navy); }
img { max-width: 100%; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }
::selection { background: var(--brass); color: var(--paper); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: var(--paper);
  padding: 12px 18px;
  z-index: 50;
}
.skip-link:focus { left: 8px; top: 8px; color: var(--paper); }

/* ---------- layout ---------- */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 32px; width: 100%; }
.wrap--narrow { max-width: 820px; }
.wrap--doc { max-width: 760px; }

main { flex: 1; }

.section { border-bottom: 1px solid var(--hairline); padding: 76px 0; }
.section--hero { padding: 96px 0 88px; background: linear-gradient(180deg, var(--paper) 0%, var(--paper-tint) 100%); }
.section--page-head { padding: 84px 0 68px; background: linear-gradient(180deg, var(--paper) 0%, var(--paper-tint) 100%); }
.section--tint { background: var(--paper-tint); }
.section--navy { background: var(--navy); border-bottom: none; }
.section--doc { padding: 84px 0 88px; border-bottom: none; }

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 20px;
}
.eyebrow--slate { color: var(--slate); font-size: 11.5px; letter-spacing: 0.12em; }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; color: var(--navy); letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.05; letter-spacing: -0.025em; }
.h1--home { font-size: clamp(38px, 5vw, 62px); }
h2 { font-size: clamp(28px, 3.4vw, 36px); line-height: 1.16; }
h3 { font-size: 22px; line-height: 1.3; letter-spacing: -0.01em; }

p { margin: 0; }
.lede { font-size: 18.5px; line-height: 1.6; color: var(--body); max-width: 58ch; text-wrap: pretty; }
.body-text { font-size: 17.5px; line-height: 1.7; color: var(--body); max-width: 66ch; text-wrap: pretty; }
.small { font-size: 16px; line-height: 1.62; color: var(--body); }

/* ---------- header + nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 246, 239, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.site-header__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.logo { display: flex; align-items: center; }
.logo img { height: 42px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--slate);
  padding-bottom: 3px;
  border-bottom: 1.5px solid transparent;
  white-space: nowrap;
}
.nav a:hover { color: var(--navy); }
.nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--brass); }
.nav a.btn--nav, .nav a.btn--nav:hover { color: var(--paper); border-bottom-color: transparent; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  border: none;
  border-radius: 2px;
  padding: 15px 28px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.btn--brass { background: var(--brass); color: var(--paper); }
.btn--brass:hover { background: var(--navy); color: var(--paper); }
.btn--navy { background: var(--navy); color: var(--paper); }
.btn--navy:hover { background: var(--brass); color: var(--paper); }
.btn--nav { padding: 11px 20px; font-size: 14.5px; font-weight: 500; }
.btn--on-navy { background: var(--brass); color: var(--paper); }
.btn--on-navy:hover { background: var(--paper); color: var(--navy); }

.link-rule {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--navy);
  border-bottom: 1.5px solid var(--brass);
  padding-bottom: 2px;
}
.link-rule:hover { color: var(--brass); }

.cta-row { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; margin-top: 36px; }

/* ---------- grids ---------- */
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 56px; align-items: center; }
.about-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 56px; align-items: start; }
.svc-grid { display: grid; grid-template-columns: 0.32fr 0.68fr; gap: 48px; align-items: start; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

/* ---------- components ---------- */
.first-call { background: var(--navy); padding: 36px 32px; }
.first-call .eyebrow { margin-bottom: 22px; }
.step { display: flex; gap: 16px; padding: 18px 0; border-top: 1px solid rgba(250, 246, 239, 0.16); }
.step__num { font-family: var(--mono); font-size: 12px; color: var(--brass); padding-top: 4px; }
.step__title { font-family: var(--serif); font-size: 19px; color: var(--paper); margin-bottom: 4px; }
.step__note { font-size: 14.5px; line-height: 1.55; color: rgba(250, 246, 239, 0.72); }

.value { display: flex; flex-direction: column; gap: 18px; }
.value__rule { display: block; width: 44px; height: 2px; background: var(--brass); }

.statement {
  margin-top: 64px;
  border-top: 1px solid var(--brass);
  border-bottom: 1px solid var(--brass);
  padding: 44px 0;
  display: grid;
  grid-template-columns: 0.28fr 0.72fr;
  gap: 40px;
  align-items: center;
}
.statement__text {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.34;
  letter-spacing: -0.015em;
  color: var(--navy);
  text-wrap: pretty;
}

.card {
  background: var(--paper);
  border: 1px solid rgba(27, 42, 61, 0.12);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.card__index { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); }
.card h3 { font-size: 25px; letter-spacing: -0.015em; }

.svc-index { border-top: 2px solid var(--brass); padding-top: 20px; }
.svc-index__num { font-family: var(--serif); font-size: 40px; line-height: 1; letter-spacing: -0.03em; color: var(--brass); margin-bottom: 12px; }
.svc-index__label { font-family: var(--mono); font-size: 16px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--navy); }

.ticks { display: flex; flex-direction: column; gap: 14px; }
.ticks p {
  padding-left: 20px;
  border-left: 2px solid rgba(184, 137, 93, 0.45);
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--body);
}

.pillar { border-top: 2px solid var(--brass); padding-top: 20px; }
.pillar h3 { font-size: 20px; margin-bottom: 10px; }
.stage { border-top: 1px solid rgba(27, 42, 61, 0.18); padding-top: 20px; }
.stage__num { font-family: var(--mono); font-size: 12px; color: var(--brass); margin-bottom: 12px; }
.stage h3 { font-size: 20px; margin-bottom: 10px; }

.quote-block { text-align: center; }
.quote-block blockquote {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(21px, 2.4vw, 27px);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--navy);
  text-wrap: pretty;
}
.quote-block cite { display: block; margin-top: 22px; font-size: 14px; color: var(--slate); font-style: italic; }

.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { color: var(--paper); max-width: 620px; text-wrap: pretty; }

.portrait img { display: block; width: 100%; height: auto; }
.portrait figcaption { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--slate); margin-top: 20px; text-align: center; }
.founder-mark { width: 60px; height: 60px; display: block; margin-bottom: 26px; }
.signature { font-family: var(--serif); font-size: 19px; color: var(--navy); margin-top: 34px; }
.signature-role { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate); margin-top: 6px; }

/* ---------- FAQ (no JS) ---------- */
.faq { border-bottom: 1px solid rgba(27, 42, 61, 0.14); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 26px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 21px;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 18px;
  color: var(--brass);
  line-height: 1.2;
  flex: none;
}
.faq[open] summary::after { content: "\2212"; }
.faq__answer { padding: 0 0 28px; max-width: 640px; font-size: 16.5px; line-height: 1.68; color: var(--body); }

/* ---------- form ---------- */
.form-card { background: var(--paper); border: 1px solid rgba(27, 42, 61, 0.14); padding: 34px; }
.form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field > span { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--slate); }
.field input, .field select, .field textarea {
  border: 1px solid rgba(27, 42, 61, 0.22);
  background: var(--paper-card);
  padding: 12px 14px;
  border-radius: 2px;
  font-size: 16px;
  color: var(--ink);
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brass); }
.field textarea { resize: vertical; font-family: var(--sans); }
.form-note { font-size: 14px; line-height: 1.55; color: var(--slate); }

.detail-block { margin-top: 44px; padding-top: 28px; border-top: 1px solid rgba(27, 42, 61, 0.14); }
.detail-block .eyebrow { margin-bottom: 14px; }
.email-link { font-size: 17px; color: var(--navy); border-bottom: 1px solid var(--brass); }
.email-link:hover { color: var(--brass); }

/* ---------- legal docs ---------- */
.doc h2 { font-size: 23px; margin: 0 0 12px; }
.doc p { font-size: 17px; line-height: 1.7; color: var(--body); margin: 0 0 30px; }
.doc p:last-child { margin-bottom: 0; }
.doc__date { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate); margin: 12px 0 40px; }

/* ---------- footer ---------- */
.footer { background: var(--navy); color: rgba(250, 246, 239, 0.75); }
.footer__inner { max-width: var(--wrap); margin: 0 auto; padding: 56px 32px 30px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer img { height: 52px; width: auto; display: block; margin: 0 0 18px -6px; }
.footer p { font-size: 15px; line-height: 1.6; max-width: 300px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brass); margin-bottom: 4px; }
.footer__col a { font-size: 15px; color: rgba(250, 246, 239, 0.8); }
.footer__col a:hover { color: var(--brass); }
.footer__legal { max-width: var(--wrap); margin: 0 auto; padding: 20px 32px 40px; border-top: 1px solid rgba(250, 246, 239, 0.14); }
.footer__legal p { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; color: rgba(250, 246, 239, 0.55); max-width: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid, .grid-2, .statement { grid-template-columns: 1fr; }
  .statement { gap: 20px; }
  .grid-3 { grid-template-columns: 1fr 1fr; gap: 34px; }
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 30px; }
  .svc-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .wrap, .site-header__inner, .footer__inner, .footer__legal { padding-left: 20px; padding-right: 20px; }
  .section { padding: 56px 0; }
  .section--hero, .section--page-head { padding: 60px 0 56px; }
  .site-header__inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .nav { width: 100%; overflow-x: auto; gap: 20px; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .portrait { max-width: 320px; margin: 0 auto; }
}