/* ============================================================
   BURGER SUMMIT 2026 — Patterns, Motifs & Components
   Load AFTER colors_and_type.css.
   ============================================================ */

/* ---------- HALFTONE DOT FIELD ----------
   The signature texture: a fine dot grid laid over a solid color
   surface (orange, green or asphalt). Subtle, never loud. */
.bs-dots{
  background-image: radial-gradient(rgba(0,0,0,.13) 1.4px, transparent 1.5px);
  background-size: 18px 18px;
}
.bs-dots-light{
  background-image: radial-gradient(rgba(255,255,255,.10) 1.4px, transparent 1.5px);
  background-size: 18px 18px;
}
.bs-dots-ink{
  background-image: radial-gradient(rgba(20,20,20,.06) 1.4px, transparent 1.5px);
  background-size: 20px 20px;
}

/* Surfaces that pair with the dot field */
.bs-surface-hot{ background-color: var(--bs-brasa); color: var(--fg-inverse); }
.bs-surface-field{ background-color: var(--bs-green); color: var(--fg-inverse); }
.bs-surface-asphalt{ background-color: var(--bs-asphalt); color: var(--fg-inverse); }
.bs-surface-paper{ background-color: var(--bs-paper); color: var(--fg); }

/* ---------- JERSEY / PAPER TEXTURE ----------
   Apply over light surfaces for the tactile sport-mesh feel. */
.bs-jersey{ background-image: url("assets/texture-jersey.jpg"); background-size: cover; }
.bs-jersey-overlay::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background: url("assets/texture-jersey.jpg") center/cover;
  mix-blend-mode: multiply; opacity:.06;
}

/* ---------- ANGULAR NOTCH FRAME ----------
   Gold chevron brackets clipped into the left & right page edges —
   a recurring KV device. Place as a full-bleed layer. */
.bs-notch-edges{ position:relative; }
.bs-notch-edges::before,
.bs-notch-edges::after{
  content:""; position:absolute; top:0; bottom:0; width:38px;
  background: var(--bs-gold);
  z-index:1; pointer-events:none;
}
.bs-notch-edges::before{ left:0;  clip-path: polygon(0 0,100% 0,100% 38%,0 50%,100% 62%,100% 100%,0 100%); }
.bs-notch-edges::after{ right:0; clip-path: polygon(0 0,100% 0,100% 100%,0 100%,0 62%,100% 50%,0 38%); }

/* ---------- PROTECTION SCRIM ----------
   Gradient applied behind text laid over photos. Orange or asphalt. */
.bs-scrim-bottom{ background: linear-gradient(to top, rgba(20,20,20,.85) 0%, rgba(20,20,20,.45) 38%, transparent 70%); }
.bs-scrim-hot{ background: linear-gradient(105deg, var(--bs-brasa) 0%, var(--bs-brasa) 46%, rgba(217,74,26,0) 78%); }

/* ============================================================
   BUTTONS
   Squared, heavy, uppercase. Solid fills, no soft pastels.
   Hover = brighten + lift; press = deepen + nudge down.
   ============================================================ */
.bs-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family: var(--font-display); font-weight:900; text-transform:uppercase;
  letter-spacing:.03em; font-size:16px; line-height:1;
  padding:16px 30px; border:none; border-radius:var(--r-sm);
  cursor:pointer; text-decoration:none; transition:transform .12s ease, background .15s ease, box-shadow .15s ease;
  white-space:nowrap;
}
.bs-btn-primary{ background:var(--bs-brasa); color:#fff; box-shadow:var(--shadow-hot); }
.bs-btn-primary:hover{ background:var(--bs-brasa-bright); transform:translateY(-2px); }
.bs-btn-primary:active{ background:var(--bs-brasa-deep); transform:translateY(0); }

.bs-btn-gold{ background:var(--bs-gold); color:var(--bs-navy); }
.bs-btn-gold:hover{ background:var(--bs-gold-bright); transform:translateY(-2px); }
.bs-btn-gold:active{ background:var(--bs-gold-deep); transform:translateY(0); }

.bs-btn-dark{ background:var(--bs-asphalt); color:#fff; }
.bs-btn-dark:hover{ background:#22303d; transform:translateY(-2px); }

.bs-btn-ghost{ background:transparent; color:currentColor; box-shadow:inset 0 0 0 2px currentColor; }
.bs-btn-ghost:hover{ background:currentColor; }
.bs-btn-ghost:hover span{ color:var(--bs-paper); }

.bs-btn-sm{ padding:11px 20px; font-size:14px; }
.bs-btn-lg{ padding:20px 40px; font-size:19px; }

/* ============================================================
   CARDS
   Two signatures: (1) solid GOLD info card with dark text on a
   dark surface; (2) light PAPER card with subtle border.
   Corners ~18px. Shadows soft on light, none on color-on-color.
   ============================================================ */
.bs-card{ background:var(--bs-white); border-radius:var(--r-card); box-shadow:var(--shadow-md); overflow:hidden; }
.bs-card-gold{ background:var(--bs-gold); color:var(--bs-navy); border-radius:var(--r-card); padding:28px; }
.bs-card-gold h4{ font-family:var(--font-display); font-weight:900; text-transform:uppercase; margin:0 0 4px; }
.bs-card-outline{ background:transparent; border:2px solid var(--line); border-radius:var(--r-card); }

/* ---------- GOLD-BORDER PHOTO FRAME ----------
   Event/speaker photos sit in a rounded frame ringed in gold,
   often with a corner label tab. */
.bs-photoframe{
  position:relative; border-radius:var(--r-md); overflow:hidden;
  box-shadow:0 0 0 4px var(--bs-gold), var(--shadow-md);
}
.bs-photoframe img{ display:block; width:100%; height:100%; object-fit:cover; }
.bs-photoframe .bs-photoframe-tab{
  position:absolute; left:0; bottom:0;
  font-family:var(--font-display); font-weight:900; color:#fff; font-size:34px;
  padding:6px 18px 4px; text-shadow:0 2px 8px rgba(0,0,0,.6);
}

/* ---------- SHIELD PHOTO MASK ----------
   Speaker portraits clipped to a heraldic shield with a gold rim. */
.bs-shield{
  --shield: polygon(50% 0,100% 0,100% 64%,50% 100%,0 64%,0 0);
  width:140px; aspect-ratio:1/1.18; position:relative; clip-path:var(--shield);
  background:var(--bs-gold); padding:5px;
}
.bs-shield > *{ width:100%; height:100%; clip-path:var(--shield); object-fit:cover; display:block; }

/* ============================================================
   PATCHES / BADGES — the sticker system
   ============================================================ */
.bs-patch{ display:inline-block; }
.bs-patch img{ display:block; width:100%; height:auto; }
.bs-patch-shadow{ filter: drop-shadow(0 8px 16px rgba(0,0,0,.35)); }
/* Knock black single-color SVG patches to white for dark surfaces */
.bs-patch-white img{ filter: brightness(0) invert(1); }

/* Pill tag / chip */
.bs-tag{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-text); font-weight:700; text-transform:uppercase;
  letter-spacing:.04em; font-size:12px;
  padding:7px 14px; border-radius:var(--r-pill);
  background:var(--bs-asphalt); color:#fff;
}
.bs-tag-gold{ background:var(--bs-gold); color:var(--bs-navy); }
.bs-tag-green{ background:var(--bs-green-bright); color:#fff; }
.bs-tag-outline{ background:transparent; box-shadow:inset 0 0 0 2px currentColor; }

/* ---------- TACTICAL PLAYBOOK overlay ----------
   Faint X's, O's and dashed arrows — sports-tactics line art used
   as a background texture on light/asphalt surfaces. Use the SVG
   helper in assets, or this simplified CSS hint of circles. */
.bs-playbook{
  background-image:
    radial-gradient(circle at 20% 30%, transparent 13px, currentColor 13px, currentColor 15px, transparent 15px),
    radial-gradient(circle at 72% 64%, transparent 18px, currentColor 18px, currentColor 20px, transparent 20px);
  background-repeat:no-repeat; opacity:.06;
}