/* ═══════════════════════════════════════════════════════════
   FORUM PLAYBOOK — styles.css
   Design: Schematic Light (locked)
   Fonts: Big Shoulders Display / DM Mono / DM Sans
   ═══════════════════════════════════════════════════════════ */

/* ── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a { text-decoration: none; color: inherit; }
button { background: none; border: none; font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }

/* ── CSS TOKENS ─────────────────────────────────────────── */
:root {
  --pitch:       #0E0E0C;
  --burn:        #E8521A;
  --brick:       #B83A14;
  --gold:        #D4A832;
  --teal:        #3A8A8A;
  --blue:        #2A6E9A;
  --linen:       #F0EBE0;
  --linen-dark:  #E8E2D6;
  --dust:        #C4B8A8;
  --deep-dust:   #4A4038;
  --border:      #C8C0B4;
  --white:       #FFFFFF;

  --font-display: 'Big Shoulders Display', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --font-body:    'DM Sans', sans-serif;
}

/* ── BASE ───────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--linen);
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--pitch);
  min-height: 100vh;
}

/* ── STRIPE HOVER SYSTEM ────────────────────────────────── */
@keyframes wave1 { 0% { transform: translateX(-100%); } 100% { transform: translateX(0%); } }
@keyframes wave2 { 0% { transform: translateX(-100%); } 100% { transform: translateX(0%); } }

.sh {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: inline-block;
  transition: box-shadow 0.5s ease, transform 0.3s ease;
}
.sh::before,
.sh::after {
  content: '';
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
}
.sh::before { z-index: 0; }
.sh::after  { z-index: 1; }
.sh:hover::before { animation: wave1 0.5s cubic-bezier(0.4,0,0.2,1) 0s    forwards; }
.sh:hover::after  { animation: wave2 0.5s cubic-bezier(0.4,0,0.2,1) 0.32s forwards; }
.sh > span { position: relative; z-index: 2; transition: color 0.12s ease 0.32s; }

/* Warm family: Gold → Teal */
.warm::before { background: var(--gold); }
.warm::after  { background: var(--teal); }
.warm:hover   { box-shadow: 0 8px 28px rgba(58,138,138,0.5), 0 2px 8px rgba(58,138,138,0.25); transform: translateY(-2px); }
.warm:hover > span { color: #fff; }

/* Cool family: Teal → Blue */
.cool::before { background: var(--teal); }
.cool::after  { background: var(--blue); }
.cool:hover   { box-shadow: 0 8px 28px rgba(42,110,154,0.5), 0 2px 8px rgba(42,110,154,0.25); transform: translateY(-2px); }
.cool:hover > span { color: #fff; }

/* Dark pill: Gold → Teal */
.dp::before { background: var(--gold); }
.dp::after  { background: var(--teal); }
.dp:hover   { box-shadow: 0 8px 28px rgba(58,138,138,0.5), 0 2px 8px rgba(58,138,138,0.25); transform: translateY(-2px); }
.dp:hover > span { color: #fff; }


/* ══════════════════════════════════════════════════════════
   NAV
══════════════════════════════════════════════════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--linen);
  border-bottom: 0.5px solid var(--border);
  padding: 0 40px;
  height: 54px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav nav {
  display: flex;
  gap: 28px;
  margin-right: auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  color: var(--pitch);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 32px;
}

.logo-diamond {
  width: 7px;
  height: 7px;
  background: var(--burn);
  transform: rotate(45deg);
  flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.logo:hover .logo-diamond { transform: rotate(225deg); }

.nav-link {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #8A8070;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--brick), var(--burn), var(--gold), var(--teal));
  transition: width 0.4s cubic-bezier(0.4,0,0.2,1);
}
.nav-link:hover { color: var(--pitch); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 18px;
  border: 0.5px solid var(--pitch);
  color: var(--pitch);
}
.nav-cta:hover { border-color: var(--teal); }


/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
.hero {
  background: var(--linen);
  padding: 40px 40px 0;
  position: relative;
  overflow: hidden;
  min-height: 300px;
}

.hero-stripe {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 240px;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}
.hs { flex: 1; }

.hero-inner { position: relative; z-index: 1; }

/* Annotation bar */
.annot {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #A89880;
  letter-spacing: 0.18em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.annot-box {
  border: 0.5px solid var(--dust);
  padding: 2px 7px;
  font-size: 9px;
  color: #A89880;
  transition: border-color 0.2s, color 0.2s;
  cursor: default;
}
.annot-box:hover { border-color: var(--burn); color: var(--burn); }
.annot-line { flex: 1; height: 0.5px; background: var(--dust); max-width: 60px; }

/* Headline */
.h1 {
  font-family: var(--font-display);
  font-size: 88px;
  font-weight: 900;
  color: var(--pitch);
  line-height: 0.88;
  letter-spacing: -1px;
  margin-bottom: 4px;
  text-transform: uppercase;
}
.h1 .accent { color: var(--burn); }

.h1-sub {
  font-family: var(--font-display);
  font-size: 88px;
  font-weight: 900;
  color: var(--dust);
  line-height: 0.88;
  letter-spacing: -1px;
  text-transform: uppercase;
}

/* Hero bottom strip */
.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 24px 0 0;
  border-top: 0.5px solid var(--dust);
  margin-top: 32px;
}

.hero-sub {
  font-size: 13px;
  color: #7A7060;
  max-width: 320px;
  line-height: 1.65;
  font-weight: 300;
}

/* Stats */
.stats { display: flex; gap: 36px; padding-bottom: 4px; }
.stat { cursor: default; }
.stat-num {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 900;
  color: var(--pitch);
  line-height: 1;
  transition: color 0.2s;
}
.stat:hover .stat-num { color: var(--burn); }
.stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #A89880;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}


/* ══════════════════════════════════════════════════════════
   SEARCH + FILTER ROW
══════════════════════════════════════════════════════════ */
.search-row {
  background: var(--linen-dark);
  padding: 18px 40px;
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 12px;
  font-size: 16px;
  color: #A89880;
  pointer-events: none;
  line-height: 1;
}
.search-input {
  width: 100%;
  background: var(--linen);
  border: 0.5px solid var(--dust);
  height: 40px;
  padding: 0 14px 0 34px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--pitch);
  letter-spacing: 0.04em;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}
.search-input::placeholder { color: #A89880; }
.search-input:hover { border-color: #8A8070; }
.search-input:focus { border-color: var(--teal); }

/* Filter pills */
.pills { display: flex; gap: 6px; flex-wrap: wrap; }

.pill {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 0.5px solid var(--dust);
  color: #5A5048;
  cursor: pointer;
  transition: border-color 0.2s;
}
.pill.active {
  background: var(--pitch);
  color: var(--linen);
  border-color: var(--pitch);
}


/* ══════════════════════════════════════════════════════════
   SECTION HEADERS
══════════════════════════════════════════════════════════ */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 20px 40px 0;
}

.resources-header {
  background: var(--linen);
  padding-bottom: 16px;
  border-bottom: 0.5px solid var(--border);
}

.section-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 900;
  color: var(--pitch);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.section-count {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #A89880;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


/* ══════════════════════════════════════════════════════════
   RESOURCE CARDS
══════════════════════════════════════════════════════════ */
.cards {
  padding: 24px 40px 40px;
  background: var(--linen);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Card base */
.card {
  background: var(--white);
  border: 0.5px solid #D4CCC0;
  position: relative;
  padding: 20px;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.4s, transform 0.3s;
}
.card:hover {
  border-color: var(--burn);
  box-shadow: 0 10px 32px rgba(58,138,138,0.18), 0 2px 8px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

/* Top stripe bar on hover */
.card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg,
    #B83A14 0%, #B83A14 16%,
    #D4611A 16%, #D4611A 32%,
    #E8521A 32%, #E8521A 48%,
    #D4A832 48%, #D4A832 64%,
    #3A8A8A 64%, #3A8A8A 80%,
    #2A6E9A 80%, #2A6E9A 100%
  );
  background-size: 300% 100%;
  background-position: 200% center;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity 0.1s;
}
.card:hover::after {
  opacity: 1;
  animation: wave1 0.55s cubic-bezier(0.4,0,0.2,1) forwards;
}

/* Corner brackets */
.corner-tl {
  position: absolute;
  top: -1px; left: -1px;
  width: 12px; height: 12px;
  border-top: 1px solid var(--burn);
  border-left: 1px solid var(--burn);
}
.corner-br {
  position: absolute;
  bottom: -1px; right: -1px;
  width: 12px; height: 12px;
  border-bottom: 1px solid var(--dust);
  border-right: 1px solid var(--dust);
  transition: border-color 0.25s;
}
.card:hover .corner-br { border-color: var(--burn); }

/* Card ID row */
.card-id {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--dust);
  letter-spacing: 0.14em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}
.card-id-box {
  border: 0.5px solid #D4CCC0;
  padding: 1px 6px;
  font-size: 8px;
  color: var(--burn);
  letter-spacing: 0.1em;
}

/* Card title */
.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--pitch);
  line-height: 1.1;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Card meta */
.card-meta {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #A89880;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

/* Card buttons */
.card-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 11px;
  border: 0.5px solid var(--dust);
  color: #5A5048;
  cursor: pointer;
  display: inline-block;
}

/* Primary download button */
.btn-primary {
  background: var(--burn);
  border-color: var(--burn);
  color: var(--white);
}

/* Ghost / Drive button */
.btn-ghost {
  border-color: #8A8070;
  color: var(--deep-dust);
}

/* Skeleton cards */
.skeleton { pointer-events: none; }
.skel-line {
  background: linear-gradient(90deg, #E8E2D6 25%, #F0EBE0 50%, #E8E2D6 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 2px;
  margin-bottom: 8px;
  height: 10px;
}
.skel-short { width: 40%; }
.skel-title { height: 18px; width: 80%; }
.skel-meta  { width: 60%; }
.skel-btns  { display: flex; gap: 6px; margin-top: 12px; }
.skel-btn   { height: 28px; width: 64px; background: #E8E2D6; border-radius: 2px; }

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Empty state */
.empty-state {
  padding: 60px 40px;
  text-align: center;
  background: var(--linen);
}
.empty-icon {
  font-size: 32px;
  color: var(--dust);
  margin-bottom: 12px;
}
.empty-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--pitch);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.empty-msg {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #A89880;
  letter-spacing: 0.08em;
}


/* ══════════════════════════════════════════════════════════
   VIDEO HUB
══════════════════════════════════════════════════════════ */
.videos-section {
  background: var(--linen-dark);
  border-top: 0.5px solid var(--border);
  padding-bottom: 40px;
}

.videos-section .section-header {
  padding-bottom: 16px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 0 40px;
}

.video-card {
  background: var(--white);
  border: 0.5px solid #D4CCC0;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.25s, box-shadow 0.4s, transform 0.3s;
}
.video-card:hover {
  border-color: var(--teal);
  box-shadow: 0 10px 32px rgba(42,110,154,0.18), 0 2px 8px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.video-thumb {
  height: 90px;
  background: #2A3028;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity 0.3s;
}
.video-card:hover .video-thumb img { opacity: 1; }

.play-btn {
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(232,82,26,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
  z-index: 2;
}
.video-card:hover .play-btn { background: var(--burn); transform: scale(1.1); }

.play-triangle {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px 0 5px 10px;
  border-color: transparent transparent transparent #fff;
  margin-left: 2px;
}

.yt-badge {
  position: absolute;
  bottom: 5px;
  right: 7px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 8px;
  padding: 2px 5px;
  letter-spacing: 0.08em;
}

.video-info { padding: 10px 14px 12px; }

.video-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--pitch);
  line-height: 1.45;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.video-meta {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #A89880;
  letter-spacing: 0.06em;
}

/* Skeleton video */
.skeleton-video { pointer-events: none; }
.video-thumb-skel {
  height: 90px;
  background: linear-gradient(90deg, #D4CCC0 25%, #E8E2D6 50%, #D4CCC0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}


/* ══════════════════════════════════════════════════════════
   LIGHTBOX
══════════════════════════════════════════════════════════ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox[hidden] { display: none; }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14,14,12,0.85);
  cursor: pointer;
}

.lightbox-inner {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 900px;
  aspect-ratio: 16/9;
  background: var(--pitch);
}

.lightbox-embed {
  width: 100%;
  height: 100%;
}
.lightbox-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.lightbox-close {
  position: absolute;
  top: -36px;
  right: 0;
  color: var(--linen);
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.1em;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }


/* ══════════════════════════════════════════════════════════
   ABOUT SECTION
══════════════════════════════════════════════════════════ */
.about-section {
  background: var(--linen);
  border-top: 0.5px solid var(--border);
  padding: 48px 40px;
}
.about-link {
  color: var(--burn);
  text-decoration: none;
  border-bottom: 0.5px solid var(--burn);
  transition: color 0.2s, border-color 0.2s;
}
.about-link:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.about-title {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 900;
  color: var(--pitch);
  line-height: 0.9;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  margin: 16px 0 24px;
}
.about-title .accent { color: var(--burn); }

.about-body {
  font-size: 15px;
  color: #7A7060;
  max-width: 560px;
  line-height: 1.7;
  font-weight: 300;
}


/* ══════════════════════════════════════════════════════════
   COLOR PALETTE
══════════════════════════════════════════════════════════ */
.palette-section {
  padding: 24px 40px 28px;
  background: var(--linen-dark);
  border-top: 0.5px solid var(--border);
}
.pal-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #A89880;
  margin-bottom: 14px;
}
.swatches { display: flex; gap: 10px; flex-wrap: wrap; }
.sw { display: flex; flex-direction: column; gap: 5px; cursor: default; }
.sw-box {
  width: 48px;
  height: 48px;
  transition: transform 0.2s;
}
.sw:hover .sw-box { transform: scale(1.08); }
.sw-name {
  font-family: var(--font-mono);
  font-size: 8px;
  color: #8A8070;
  line-height: 1.4;
}
.sw-name.teal { color: var(--teal); }


/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.footer {
  background: var(--pitch);
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  color: #A8A494;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-logo-diamond {
  width: 5px;
  height: 5px;
  background: var(--burn);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #4A4A38;
  letter-spacing: 0.1em;
}


/* ══════════════════════════════════════════════════════════
   RESPONSIVE — TABLET / MOBILE
══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .nav { padding: 0 20px; gap: 16px; }
  .hero { padding: 28px 20px 0; }
  .h1, .h1-sub { font-size: 60px; }
  .hero-stripe { width: 120px; }
  .hero-bottom { flex-direction: column; gap: 20px; align-items: flex-start; }
  .search-row { padding: 14px 20px; }
  .section-header { padding: 16px 20px 0; }
  .cards { padding: 16px 20px 24px; grid-template-columns: 1fr 1fr; gap: 8px; }
  .video-grid { grid-template-columns: 1fr; padding: 0 20px; }
  .about-section { padding: 32px 20px; }
  .about-title { font-size: 44px; }
  .palette-section { padding: 20px; }
  .footer { padding: 16px 20px; }
}

@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  .h1, .h1-sub { font-size: 48px; }
  .nav nav { display: none; }
}