/*--------------------------------------------------------------
# StoryLine Studio — Shared Design System
Dark & cinematic theme. Loaded by both index.html and gallery.html
before the page-specific stylesheet. Holds design tokens, resets,
and components common to both pages (header, footer, buttons,
section titles, back-to-top).
--------------------------------------------------------------*/

@font-face {
  font-family: 'MyCustomFont';
  src: url('../WinslowBook-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MyCustomFont';
  src: url('../WinslowBook-LightItalic.woff') format('woff');
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Color */
  --bg: #0c0b0a;
  --bg-elevated: #16140f;
  --bg-soft: #1e1b16;
  --ink: #f3ede2;
  --ink-muted: #a89f92;
  --ink-faint: #756b5f;
  --accent: #c9a35e;
  --accent-soft: #8f7440;
  --border: rgba(243, 237, 226, 0.12);
  --border-strong: rgba(243, 237, 226, 0.22);
  --overlay-scrim: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.35) 45%, rgba(0,0,0,0) 100%);

  /* Type */
  --font-display: 'MyCustomFont', Georgia, 'Times New Roman', serif;
  --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale */
  --sp-1: .5rem;
  --sp-2: 1rem;
  --sp-3: 1.75rem;
  --sp-4: 2.75rem;
  --sp-5: 4.5rem;
  --sp-6: 7rem;

  /* Layout */
  --container: 1280px;
  --container-narrow: 900px;
  --radius: 2px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-muted);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--ink); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 var(--sp-2);
}

p { margin: 0 0 var(--sp-2); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-3);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--sp-3);
}

section { padding: var(--sp-6) 0; }

@media (max-width: 768px) {
  section { padding: var(--sp-5) 0; }
  .container, .container-narrow { padding: 0 var(--sp-2); }
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .75rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-2);
}

.section-head {
  max-width: 640px;
  margin: 0 0 var(--sp-4);
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-style: italic;
}

.section-head p {
  color: var(--ink-muted);
  font-size: 1.0625rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 1rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: .25s ease;
  line-height: 1;
}

.btn-solid {
  background: var(--accent);
  color: #14120d;
  border-color: var(--accent);
}
.btn-solid:hover { background: var(--ink); border-color: var(--ink); color: #14120d; }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* Header / Nav (shared markup: #header, #navbar, .logo-wrapper, #logo) */
#header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 997;
  padding: 1.75rem 0 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: transparent;
  transition: background .4s ease, padding .4s ease, box-shadow .4s ease;
}

#header.scrolled {
  background: rgba(12, 11, 10, .92);
  backdrop-filter: blur(6px);
  padding: 1rem 0;
  box-shadow: 0 1px 0 var(--border);
}

.logo-wrapper {
  overflow: hidden;
  max-height: 46px;
  transition: opacity .5s ease, transform .5s ease, max-height .5s ease, margin .5s ease;
  margin-bottom: 1rem;
}

.logo-wrapper.collapsed { opacity: 0; max-height: 0; margin-bottom: 0; transform: translateY(-12px); }

.logo-img { height: 32px; width: auto; }

.navbar { display: flex; justify-content: center; }

.navbar ul {
  display: flex;
  gap: 2.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar a {
  font-family: var(--font-sans);
  font-size: .8125rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: .25rem 0;
  border-bottom: 1px solid transparent;
  transition: .25s;
}

.navbar a.active,
.navbar a:hover { color: var(--ink); border-bottom-color: var(--accent); }

.mobile-nav-toggle {
  display: none;
  color: var(--ink);
  font-size: 1.6rem;
  cursor: pointer;
}

@media (max-width: 991px) {
  .mobile-nav-toggle { display: block; }

  #navbar { position: fixed; inset: 0; background: rgba(8,7,6,.98); flex-direction: column; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .3s; z-index: 998; }
  #navbar.navbar-mobile { opacity: 1; visibility: visible; }
  #navbar.navbar-mobile ul { flex-direction: column; align-items: center; gap: 1.75rem; }
  #navbar.navbar-mobile a { font-size: 1.1rem; }
  #navbar.navbar-mobile .mobile-nav-toggle { position: fixed; top: 1.75rem; right: 1.5rem; z-index: 999; }
}

/* Social icons */
.social-icons { display: flex; gap: 1rem; }
.social-icons a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--ink-muted);
  transition: .25s;
}
.social-icons a:hover { color: #14120d; background: var(--accent); border-color: var(--accent); }

/* Footer */
.site-footer { background: var(--bg-elevated); border-top: 1px solid var(--border); padding: var(--sp-5) 0 var(--sp-3); }
.site-footer h5 {
  font-family: var(--font-sans);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1rem;
}
.site-footer p { font-size: .9375rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--sp-4);
  padding-bottom: var(--sp-4);
}
.footer-brand img { height: 30px; width: auto; margin-bottom: 1rem; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--sp-2);
  text-align: center;
  font-size: .8125rem;
  color: var(--ink-faint);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-3); text-align: center; }
  .footer-brand .social-icons, .footer-grid .social-icons { justify-content: center; }
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #14120d;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  z-index: 996;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .3s;
}
.back-to-top.active { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { color: #14120d; background: var(--ink); }

#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
#preloader::after {
  content: "";
  width: 34px; height: 34px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }