/* State of Sonder — master theme
   Palette: near-black #0A0A0A / #121212, bone #F2EFEA, muted gold #C6A15B */

:root {
  --ink: #0a0a0a;
  --ink-2: #121212;
  --ink-3: #1a1a18;
  --bone: #f2efea;
  --bone-dim: #b5b0a6;
  --bone-faint: #7d786e;
  --gold: #c6a15b;
  --gold-soft: rgba(198, 161, 91, 0.35);
  --hairline: rgba(242, 239, 234, 0.12);
  --serif: "Bodoni Moda", "Didot", serif;
  --sans: "Inter Tight", "Helvetica Neue", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* film grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, .serif {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.12;
}

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 6vw; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 4vw;
  transition: background 0.5s ease, backdrop-filter 0.5s ease, border-color 0.5s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav-logo em { color: var(--gold); font-style: normal; }
.nav-links { display: flex; align-items: center; gap: 2.2rem; list-style: none; }
.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
  position: relative;
  transition: color 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--bone); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--gold);
}
/* Studios dropdown */
.has-sub { position: relative; }
.subnav {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 250px;
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--hairline);
  padding: 0.6rem 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  list-style: none;
}
.has-sub:hover .subnav, .has-sub:focus-within .subnav {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.subnav a {
  display: block;
  padding: 0.55rem 1.3rem;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.9rem;
}
.subnav a:hover { color: var(--gold); }
.nav-burger { display: none; background: none; border: 0; color: var(--bone); font-size: 1.5rem; cursor: pointer; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--hairline);
  margin-top: 8rem;
  padding: 4.5rem 4vw 2.5rem;
  background: var(--ink-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 3rem;
  max-width: 1240px;
  margin: 0 auto;
}
.footer-tagline {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--bone-dim);
  max-width: 22ch;
  line-height: 1.4;
}
.footer-col h4 {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-faint);
  margin-bottom: 1.1rem;
  font-family: var(--sans);
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.55rem; }
.footer-col a { color: var(--bone-dim); font-size: 0.92rem; transition: color 0.3s; }
.footer-col a:hover { color: var(--gold); }
.newsletter p { color: var(--bone-dim); font-size: 0.92rem; margin-bottom: 1rem; }
.newsletter form { display: flex; border-bottom: 1px solid var(--bone-faint); }
.newsletter input {
  flex: 1;
  background: none;
  border: 0;
  color: var(--bone);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.6rem 0;
  outline: none;
}
.newsletter input::placeholder { color: var(--bone-faint); }
.newsletter button {
  background: none;
  border: 0;
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: letter-spacing 0.3s;
}
.newsletter button:hover { letter-spacing: 0.22em; }
.footer-base {
  max-width: 1240px;
  margin: 3.5rem auto 0;
  padding-top: 1.6rem;
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  color: var(--bone-faint);
  font-size: 0.8rem;
}

/* ---------- Shared sections ---------- */
.section { padding: 7rem 0; }
.section-title { font-size: clamp(2rem, 4.5vw, 3.4rem); margin-bottom: 1.2rem; }
.section-sub { color: var(--bone-dim); max-width: 58ch; }
.gold-rule { width: 56px; height: 1px; background: var(--gold); margin: 2rem 0; border: 0; }

.reveal { transform: translateY(24px); transition: transform 0.9s cubic-bezier(0.2, 0.6, 0.2, 1); }
.reveal.in { transform: none; }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.4rem;
}

/* CTA: inline gold underline link */
.cta-line {
  display: inline-block;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone);
  padding-bottom: 6px;
  position: relative;
}
.cta-line::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 100%;
  background: var(--gold);
  transform-origin: left;
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.cta-line:hover::after { transform: scaleX(0.35); }
.cta-line:active { opacity: 0.7; }

/* CTA: framed block */
.cta-frame {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--bone);
  padding: 1rem 2.6rem;
  font-size: 0.88rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  z-index: 1;
}
.cta-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateY(101%);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}
.cta-frame:hover { color: var(--ink); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(198, 161, 91, 0.25); }
.cta-frame:hover::before { transform: none; }
.cta-frame:active { transform: scale(0.97); box-shadow: none; }

/* ---------- Substack popup ---------- */
.sos-popup-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 5vw;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.sos-popup-overlay.show { opacity: 1; pointer-events: auto; }
.sos-popup {
  position: relative;
  max-width: 460px;
  width: 100%;
  background: var(--ink-2);
  border: 1px solid var(--gold);
  padding: 3rem 2.6rem 2.6rem;
  text-align: center;
  transform: translateY(16px);
  transition: transform 0.4s ease;
}
.sos-popup-overlay.show .sos-popup { transform: none; }
.sos-popup .sos-close {
  position: absolute; top: 1rem; right: 1.2rem;
  background: none; border: 0; color: var(--bone-faint);
  font-size: 1.3rem; cursor: pointer; line-height: 1;
}
.sos-popup .sos-close:hover { color: var(--bone); }
.sos-popup .eyebrow { justify-content: center; display: block; }
.sos-popup h3 { font-size: 1.7rem; margin-bottom: 0.8rem; }
.sos-popup p { color: var(--bone-dim); font-size: 0.92rem; margin-bottom: 1.8rem; }
.sos-popup form { display: flex; border-bottom: 1px solid var(--bone-faint); margin-bottom: 0.8rem; }
.sos-popup input {
  flex: 1; background: none; border: 0; color: var(--bone);
  font-family: var(--sans); font-size: 0.95rem; padding: 0.7rem 0; outline: none;
}
.sos-popup input::placeholder { color: var(--bone-faint); }
.sos-popup button[type="submit"] {
  background: none; border: 0; color: var(--gold);
  font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer;
}
.sos-popup .sos-fine { color: var(--bone-faint); font-size: 0.72rem; margin-bottom: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { transform: none; }
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.97);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; z-index: 101; }
  .subnav { position: static; transform: none; opacity: 1; visibility: visible; border: 0; background: none; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .footer-base { flex-direction: column; gap: 0.5rem; }
  .section { padding: 4.5rem 0; }
}