/* ============================================================
   @ppOrigin — design system
   Ultra-light geometric typography to match the logotype,
   warm off-white canvas, ink text, restrained gold accent.
   ============================================================ */

:root {
  --bg: #fbfaf7;
  --bg-raise: #ffffff;
  --ink: #161614;
  --ink-soft: #3c3c38;
  --muted: #71716c;
  --hairline: #e6e4dc;
  --accent: #a38b5f;
  --accent-soft: #cfc0a2;
  --footer-bg: #14140f;
  --footer-ink: #f1efe8;
  --footer-muted: #99968a;
  --max: 1120px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent-soft); color: var(--ink); }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

/* ---------- type ---------- */

h1, h2, h3 {
  font-weight: 200;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.5rem, 5.6vw, 4.25rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.25rem; font-weight: 300; }

.kicker {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.kicker::before {
  content: "";
  width: 2.25rem;
  height: 1px;
  background: var(--accent);
  flex: none;
}

.lede {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--muted);
  max-width: 40em;
}

.prose p + p { margin-top: 1.1em; }

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

.wrap {
  width: min(var(--max), 100% - 3rem);
  margin-inline: auto;
}

section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }

.hairline-top { border-top: 1px solid var(--hairline); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo .logo-word {
  font-size: 1.45rem;
  font-weight: 200;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.logo .logo-tag {
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.site-nav a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.35rem 0;
  position: relative;
  transition: color 0.25s var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--ink); }

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }

.nav-cta {
  border: 1px solid var(--ink);
  padding: 0.55rem 1.4rem !important;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.nav-cta::after { display: none; }

.nav-cta:hover { background: var(--ink); color: var(--bg) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 1.5rem;
  height: 1px;
  background: var(--ink);
  margin: 0.4rem 0;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

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

.hero { padding: clamp(5.5rem, 12vw, 10rem) 0 clamp(4.5rem, 9vw, 7.5rem); }

.hero h1 { max-width: 15em; }

.hero .lede { margin-top: 2rem; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1rem 2.1rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), opacity 0.25s var(--ease);
}

.btn-solid { background: var(--ink); color: var(--bg); }

.btn-solid:hover { background: var(--ink-soft); border-color: var(--ink-soft); }

.btn-ghost:hover { background: var(--ink); color: var(--bg); }

.btn:disabled { opacity: 0.5; cursor: default; }

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.25rem;
  margin-top: 3.5rem;
}

.card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--bg-raise);
  padding: 2.5rem 2.25rem;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.card:hover { border-color: var(--accent-soft); transform: translateY(-4px); }

.card .card-index {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--accent);
  display: block;
  margin-bottom: 1.5rem;
}

.card h3 { margin-bottom: 0.85rem; }

.card p { font-size: 0.925rem; color: var(--muted); }

/* ---------- stack ---------- */

.stack-section { text-align: center; }

.stack-section .kicker { justify-content: center; }

.stack-section .kicker::after {
  content: "";
  width: 2.25rem;
  height: 1px;
  background: var(--accent);
  flex: none;
}

.stack-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.75rem 3.25rem;
  margin-top: 3.5rem;
}

.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  width: 5.5rem;
}

.stack-item img {
  width: 2.1rem;
  height: 2.1rem;
  opacity: 0.72;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.stack-item:hover img { opacity: 1; transform: translateY(-3px); }

.stack-item span {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- two-column feature rows ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.split h2 { position: sticky; top: 7rem; }

/* ---------- value / step lists ---------- */

.line-list { list-style: none; }

.line-list li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.5rem;
  padding: 1.9rem 0;
  border-top: 1px solid var(--hairline);
}

.line-list li:last-child { border-bottom: 1px solid var(--hairline); }

.line-list .num {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--accent);
  padding-top: 0.45rem;
}

.line-list h3 { margin-bottom: 0.4rem; }

.line-list p { font-size: 0.925rem; color: var(--muted); }

/* ---------- stats ---------- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1.25rem;
  margin-top: 3.5rem;
}

.stat {
  border-top: 1px solid var(--hairline);
  padding-top: 1.5rem;
}

.stat strong {
  display: block;
  font-size: 2.25rem;
  font-weight: 200;
  color: var(--ink);
  line-height: 1.2;
}

.stat span {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  margin-top: 0;
}

.contact-aside p { color: var(--muted); font-size: 0.95rem; }

.contact-aside .contact-line {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
}

.contact-aside .contact-line span {
  display: block;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.contact-aside .contact-line a,
.contact-aside .contact-line address {
  font-style: normal;
  font-size: 1rem;
  color: var(--ink);
  transition: color 0.25s var(--ease);
}

.contact-aside .contact-line a:hover { color: var(--accent); }

.field { margin-bottom: 1.5rem; }

.field label {
  display: block;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}

.field input,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink);
  background: var(--bg-raise);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.95rem 1.1rem;
  transition: border-color 0.25s var(--ease);
}

.field textarea { min-height: 9.5rem; resize: vertical; }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field input::placeholder,
.field textarea::placeholder { color: #b5b3aa; }

.form-status {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  min-height: 1.5rem;
}

.form-status.ok { color: #4d7a4d; }
.form-status.err { color: #a35050; }

.honey { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- careers panel ---------- */

.notice-panel {
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--accent);
  background: var(--bg-raise);
  padding: 2.75rem 2.5rem;
  margin-top: 3.5rem;
  max-width: 46rem;
}

.notice-panel h3 { margin-bottom: 0.85rem; }

.notice-panel p { color: var(--muted); font-size: 0.95rem; }

.notice-panel a { color: var(--ink); border-bottom: 1px solid var(--accent); }

.notice-panel a:hover { color: var(--accent); }

/* ---------- legal pages ---------- */

.legal {
  max-width: 46rem;
}

.legal h2 { font-size: 1.35rem; font-weight: 300; margin: 2.75rem 0 0.85rem; }

.legal p, .legal li { font-size: 0.95rem; color: var(--ink-soft); }

.legal ul { padding-left: 1.25rem; margin-top: 0.6rem; }

.legal li + li { margin-top: 0.35rem; }

.legal .updated {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 1rem;
}

.legal a { border-bottom: 1px solid var(--accent); }
.legal a:hover { color: var(--accent); }

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

.site-footer {
  background: var(--footer-bg);
  color: var(--footer-muted);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 2.5rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #2b2b24;
}

.site-footer .logo .logo-word { color: var(--footer-ink); }
.site-footer .logo .logo-tag { color: var(--footer-muted); }

.footer-note { font-size: 0.875rem; margin-top: 1.5rem; max-width: 26em; }

.footer-col h4 {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--footer-ink);
  margin-bottom: 1.25rem;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 0.65rem; font-size: 0.9rem; }

.footer-col a { transition: color 0.25s var(--ease); }

.footer-col a:hover { color: var(--footer-ink); }

.footer-col address { font-style: normal; font-size: 0.9rem; line-height: 1.9; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2.25rem;
  font-size: 0.78rem;
}

.footer-bottom a { border-bottom: 1px solid transparent; transition: color 0.25s var(--ease); }
.footer-bottom a:hover { color: var(--footer-ink); }

/* ---------- reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .split, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .split h2 { position: static; }

  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    inset: 4.75rem 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
    padding: 0.5rem 1.5rem 1.5rem;
    transform: translateY(-115%);
    transition: transform 0.35s var(--ease);
    z-index: 40;
  }

  .site-nav.open { transform: none; }

  .site-nav a { padding: 0.9rem 0; width: 100%; }

  .nav-cta { margin-top: 0.75rem; text-align: center; justify-content: center; display: inline-flex; width: auto; }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(0.42rem) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-0.42rem) rotate(-45deg); }
}