/* =============================================================
   main.css - Shared base styles for pattonsignature.com
   Used by: index.html (landing) + record.html (archive/stream)
   ============================================================= */

/* ---- Google Fonts are linked in HTML <head> ---- */

/* ============ CSS VARIABLES ============ */
:root {
  --gold:        #D4AF37;
  --gold-deep:   #A8862A;
  --gold-soft:   #E8D58A;
  --gold-tint:   #FAF3DC;
  --bone:        #FFFFFF;
  --paper:       #FFFFFF;
  --ink:         #14110D;
  --ink-soft:    #3D362C;
  --ink-mute:    #6E6457;
  --rule:        #E6DFCF;
  --crimson:     #8B1A1A;
  --crimson-soft:#C2867E;
  --shadow-sm:   0 1px 2px rgba(20,17,13,.06), 0 1px 3px rgba(20,17,13,.04);
  --shadow-md:   0 8px 24px -8px rgba(20,17,13,.18), 0 2px 8px rgba(20,17,13,.06);
  --shadow-lg:   0 24px 60px -20px rgba(20,17,13,.30), 0 8px 24px -8px rgba(20,17,13,.12);
  --serif:       'Cormorant Garamond', 'Hoefler Text', Georgia, serif;
  --body:        'Lora', Georgia, 'Times New Roman', serif;
  --mono:        'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

/* ============ RESET ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  max-width: 100vw;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--ink);
}

a {
  color: var(--gold-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(168,134,42,.3);
  transition: border-color .25s, color .25s;
}
a:hover { color: var(--ink); border-bottom-color: var(--gold); }

/* ============ TYPOGRAPHY UTILITIES ============ */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.rule {
  display: inline-block;
  width: 40px; height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin: 0 12px;
}

/* ============ KEYFRAME ANIMATIONS ============ */
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(.9); }
  50% { opacity: 1; transform: scale(1.2); box-shadow: 0 0 12px rgba(212,175,55,.6); }
}
@keyframes markIn {
  0% { opacity: 0; transform: translateY(8px) scale(.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes shimmer {
  0%, 100% { opacity: .4; transform: scale(.95); }
  50% { opacity: 1; transform: scale(1.08); }
}
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ============ BRAND MARK (shared) ============ */
.brand-mark {
  position: relative;
  margin: 0 auto;
  opacity: 0;
  animation: markIn 1.4s ease forwards;
}
.brand-mark img { width: 100%; height: auto; display: block; }
.brand-mark::after {
  content: ''; position: absolute; inset: -16px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,55,.22), transparent 65%);
  filter: blur(10px);
  animation: shimmer 2.6s ease-in-out infinite;
  z-index: -1;
}

/* ============ MASTHEAD / NAV ============ */
.masthead {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.masthead-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 14px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand-line {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--serif); font-size: 19px; font-weight: 600;
  letter-spacing: -0.005em; color: var(--ink);
  border: none;
}
.brand-line img { width: 40px; height: 40px; object-fit: contain; display: block; }
.brand-line .case-no {
  font-family: var(--mono);
  font-size: 10px; font-weight: 500; letter-spacing: 0.18em;
  color: var(--gold-deep);
  padding-left: 14px;
  border-left: 1px solid var(--rule);
  margin-left: 4px;
}
.nav-links {
  display: flex; gap: 28px;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
}
.nav-links a { color: var(--ink-soft); border: none; transition: color .2s; }
.nav-links a:hover { color: var(--gold-deep); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--rule);
  width: 38px; height: 38px;
  cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-status {
  font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold-deep);
  display: flex; align-items: center; gap: 10px;
}
.nav-status .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  animation: pulse 2.4s ease-in-out infinite;
}
@media (max-width: 940px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .masthead-inner { padding: 12px 22px; }
  .brand-line .case-no { display: none; }
}

/* ============ SECTION LAYOUT UTILITIES ============ */
section { padding: 110px 32px; position: relative; }
.wrap { max-width: 1180px; margin: 0 auto; }
.wrap-narrow { max-width: 880px; margin: 0 auto; }
@media (max-width: 720px) { section { padding: 72px 22px; } }

.section-head { margin-bottom: 56px; }
.section-head .eyebrow { display: block; margin-bottom: 16px; }
.section-head h2 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 500;
  max-width: 820px;
}
.section-head h2 em { color: var(--gold-deep); font-style: italic; }
.section-head .lede {
  font-size: 19px; line-height: 1.7;
  color: var(--ink-soft);
  max-width: 680px;
  margin-top: 22px;
}

/* ============ FOOTER / COLOPHON ============ */
.colophon {
  background: var(--bone);
  border-top: 1px solid var(--rule);
  padding: 72px 32px 56px;
}
.colophon-grid {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 760px) { .colophon-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.colophon-brand { font-family: var(--serif); font-size: 24px; font-weight: 500; }
.colophon-brand p {
  font-family: var(--body); font-size: 14px;
  color: var(--ink-mute);
  margin-top: 12px; max-width: 360px; line-height: 1.65;
}
.colophon h5 {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px; font-weight: 500;
}
.colophon ul { list-style: none; display: grid; gap: 10px; }
.colophon ul a { font-family: var(--body); font-size: 14px; color: var(--ink-soft); border: none; }
.colophon ul a:hover { color: var(--gold-deep); }
.colophon-bottom {
  max-width: 1180px; margin: 56px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 14px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-mute);
}

/* ============ UTILITY ============ */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal-on-scroll.in { opacity: 1; transform: translateY(0); }

/* ============ ACCESSIBILITY ============ */

/* Visible focus rings for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
/* Remove outline for mouse/touch users */
:focus:not(:focus-visible) { outline: none; }

/* Respect reduced-motion preference - disable all non-essential animations */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration:   0.01ms !important;
    animation-iteration-count: 1  !important;
    transition-duration:  0.01ms !important;
    scroll-behavior:      auto   !important;
  }
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}
