/* =========================================================
   Saffie Ventures — "premium ledger"
   Deep navy ground, brass hairlines, high-contrast serif.
   ========================================================= */

:root {
  --navy:        #0F1A2E;
  --navy-2:      #0C1526;   /* slightly deeper, for alternating sections */
  --ink:         #E9E7E0;   /* primary off-white text */
  --ink-soft:    #C7CBD4;   /* secondary body text */
  --muted:       #8892A2;   /* tertiary / captions */
  --brass:       #9C7A3C;
  --brass-lit:   #C7A05A;   /* brighter brass for hover/emphasis */
  --hairline:    rgba(156, 122, 60, 0.28);
  --hairline-2:  rgba(233, 231, 224, 0.10);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --wrap: 1120px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--navy);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.0625rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

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

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brass);
  color: var(--navy);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--brass-lit);
  outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 26, 46, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hairline-2);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.site-nav {
  display: flex;
  gap: clamp(1.1rem, 3vw, 2.25rem);
}
.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.25s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--brass);
  transition: width 0.3s ease;
}
.site-nav a:hover,
.site-nav a:focus-visible { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a:focus-visible::after { width: 100%; }

@media (max-width: 540px) {
  .wordmark { font-size: 1rem; letter-spacing: 0.1em; }
  .site-nav { gap: 1rem; }
  .site-nav a { font-size: 0.7rem; letter-spacing: 0.1em; }
}

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(4.5rem, 14vh, 9rem);
  padding-bottom: clamp(4rem, 12vh, 8rem);
  border-bottom: 1px solid var(--hairline-2);
}
.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--brass-lit);
  margin: 0 0 1.6rem;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  font-size: clamp(2.35rem, 1.4rem + 4.6vw, 4.75rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  max-width: 15ch;
  margin: 0 0 1.75rem;
}
.hero-sub {
  font-size: clamp(1.05rem, 0.98rem + 0.5vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0;
  line-height: 1.6;
}

/* ---------- Sections ---------- */
.section {
  padding-block: clamp(3.5rem, 10vh, 7rem);
  border-bottom: 1px solid var(--hairline-2);
}
.section--portfolio { background: var(--navy-2); }

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 760px) {
  .section-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

.section-label { position: relative; }
.section-label h2 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  margin: 0;
}
.section-label .rule {
  display: block;
  width: 42px;
  height: 2px;
  background: var(--brass);
  margin-bottom: 1.1rem;
}
@media (min-width: 761px) {
  .section-label { position: sticky; top: 96px; }
}

.prose p { margin: 0 0 1.35rem; max-width: 62ch; }
.prose p:last-child { margin-bottom: 0; }
.prose .muted { color: var(--muted); font-size: 0.95em; }

/* ---------- Portfolio ---------- */
.ventures {
  list-style: none;
  margin: 0;
  padding: 0;
}
.venture {
  padding: 1.9rem 0;
  border-top: 1px solid var(--hairline);
  max-width: 64ch;
}
.venture:first-child { padding-top: 0; border-top: 0; }
.venture:last-child { padding-bottom: 0; }
.venture-name {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  font-size: clamp(1.35rem, 1.15rem + 0.8vw, 1.7rem);
  letter-spacing: -0.005em;
  margin: 0 0 0.6rem;
}
.venture-desc {
  margin: 0;
  color: var(--ink-soft);
  max-width: 58ch;
}

/* ---------- Contact ---------- */
.contact-intro { margin-bottom: 2.5rem; }

.contact-form {
  max-width: 40rem;
  display: grid;
  gap: 1.35rem;
}
.field { display: grid; gap: 0.5rem; }
.field label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field textarea {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink);
  background: rgba(233, 231, 224, 0.03);
  border: 1px solid var(--hairline-2);
  border-radius: 2px;
  padding: 0.8rem 0.9rem;
  transition: border-color 0.25s ease, background 0.25s ease;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 7rem; }
.field input::placeholder,
.field textarea::placeholder { color: var(--muted); }
.field input:hover,
.field textarea:hover { border-color: var(--hairline); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brass);
  background: rgba(233, 231, 224, 0.05);
}

.gotcha { position: absolute; left: -9999px; width: 1px; height: 1px; }

.btn {
  justify-self: start;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--brass);
  border-radius: 2px;
  padding: 0.85rem 2rem;
  cursor: pointer;
  transition: background 0.28s ease, color 0.28s ease, border-color 0.28s ease;
}
.btn:hover,
.btn:focus-visible {
  background: var(--brass);
  color: var(--navy);
  border-color: var(--brass);
}
.btn:disabled { opacity: 0.5; cursor: default; }

.form-status {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  min-height: 1.2em;
}
.form-status.is-ok { color: var(--brass-lit); }
.form-status.is-err { color: #d98a8a; }

/* ---------- Footer ---------- */
.site-footer {
  padding-block: 2.5rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-mark {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--muted);
}
.footer-copy {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}