/*
Theme Name: Bicycle Seat Ads
Theme URI: https://bicycleseatads.com
Author: BicycleSeatAds
Author URI: https://bicycleseatads.com
Description: Urban outdoor advertising platform — turn every bike into a billboard. Modern, dark, NYC/Amsterdam street-energy theme for BicycleSeatAds.com.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bsa
Tags: business, custom-colors, custom-menu, full-width-template, one-column, three-columns
*/

/* ============ Tokens ============ */
:root{
  --ink:#0B0B0B;
  --concrete:#F5F5F3;
  --safety:#D6FF00;
  --transit:#FF6A00;
  --lane:#00C26E;
  --rain:#2E6BFF;
  --bg:var(--concrete);
  --fg:var(--ink);
  --muted:#6b6b66;
  --border:#e2e2dd;
  --card:#ffffff;
  --font-display:"Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-sans:"Inter", ui-sans-serif, system-ui, sans-serif;
}

/* ============ Reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-sans);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-0.02em;font-weight:600;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* ============ Layout ============ */
.container-x{margin:0 auto;width:100%;max-width:1400px;padding:0 1.5rem}
@media(min-width:768px){.container-x{padding:0 2.5rem}}
.surface-ink{background:var(--ink);color:#fff}
.surface-ink a{color:#fff}
.text-balance{text-wrap:balance}
.eyebrow{font-family:var(--font-display);font-size:.75rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.18em}
.font-display{font-family:var(--font-display)}

.display-xl{font-family:var(--font-display);font-weight:600;
  font-size:clamp(2.75rem,7vw,6.5rem);line-height:.95;letter-spacing:-.035em}
.display-lg{font-family:var(--font-display);font-weight:600;
  font-size:clamp(2rem,4.5vw,4rem);line-height:1;letter-spacing:-.03em}

.grid{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:repeat(2,1fr)}
.grid-5{grid-template-columns:1fr}
.grid-12{grid-template-columns:1fr;gap:3rem}
@media(min-width:768px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-5{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1024px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .grid-5{grid-template-columns:repeat(5,1fr)}
  .grid-12{grid-template-columns:repeat(12,1fr)}
}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
@media(max-width:1023px){.col-5,.col-6,.col-7{grid-column:1/-1}}

.section{padding:6rem 0}
.section-lg{padding:7rem 0}
@media(min-width:768px){.section{padding:8rem 0}.section-lg{padding:9rem 0}}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  padding:.875rem 1.5rem;border-radius:.25rem;font-weight:600;font-size:.95rem;
  letter-spacing:-.01em;transition:transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  white-space:nowrap;line-height:1}
.btn-xl{padding:1.125rem 2.25rem;font-size:1rem}
.btn-lg{padding:1rem 1.75rem}
.btn-hero{background:var(--safety);color:var(--ink)}
.btn-hero:hover{transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(214,255,0,.6)}
.btn-ink{background:var(--ink);color:var(--concrete)}
.btn-ink:hover{background:#222}
.btn-outline{border:1px solid var(--ink);background:transparent;color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-outline-light{border:1px solid rgba(255,255,255,.3);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink)}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:50;width:100%;color:#fff;
  transition:background .3s, border-color .3s, backdrop-filter .3s;
  background:linear-gradient(to bottom,rgba(0,0,0,.7),rgba(0,0,0,.3),transparent)}
.site-header.scrolled{background:rgba(11,11,11,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.1)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:5rem}
.brand{display:flex;align-items:center;gap:.625rem;font-family:var(--font-display);
  font-weight:600;font-size:15px;text-transform:uppercase;letter-spacing:-.01em}
.brand .mark{display:inline-flex;align-items:center;justify-content:center;
  width:2rem;height:2rem;background:var(--safety);color:var(--ink);border-radius:2px;
  font-weight:700}
.brand .ads{color:var(--safety)}
.nav-main{display:none;align-items:center;gap:2rem}
.nav-main a{font-size:13px;font-weight:500;text-transform:uppercase;
  letter-spacing:.1em;color:rgba(255,255,255,.7)}
.nav-main a:hover,.nav-main .current-menu-item a{color:#fff}
.nav-main ul{display:flex;gap:2rem}
@media(min-width:1024px){.nav-main{display:flex}.header-cta{display:inline-flex}.menu-toggle{display:none}}
.header-cta{display:none}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;
  width:2.5rem;height:2.5rem;border:1px solid rgba(255,255,255,.2);border-radius:2px;color:#fff}
.mobile-nav{display:none;background:var(--ink);border-top:1px solid rgba(255,255,255,.1)}
.mobile-nav.open{display:block}
.mobile-nav ul{padding:1.5rem;display:flex;flex-direction:column;gap:1rem}
.mobile-nav a{font-family:var(--font-display);font-size:1.125rem;color:rgba(255,255,255,.85)}

/* ============ Hero ============ */
.hero{position:relative;min-height:100svh;margin-top:-5rem;overflow:hidden;
  background:var(--ink);color:#fff}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.7}
.hero .scrim{position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(0,0,0,.7),rgba(0,0,0,.4),var(--ink))}
.hero .inner{position:relative;z-index:2;padding:14rem 0 6rem;
  min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end}
.hero .accent-line{display:inline-block;width:2.5rem;height:1px;background:var(--safety);
  vertical-align:middle;margin-right:.75rem}
.hero h1{max-width:60rem}
.hero h1 .y{color:var(--safety)}
.hero p.lead{margin-top:2rem;max-width:42rem;font-size:1.125rem;color:rgba(255,255,255,.8)}
@media(min-width:768px){.hero p.lead{font-size:1.25rem}}
.hero .cta-row{margin-top:2.5rem;display:flex;flex-wrap:wrap;gap:.75rem}
.hero .stats{margin-top:5rem;display:grid;gap:2rem;max-width:64rem;
  grid-template-columns:repeat(2,1fr);border-top:1px solid rgba(255,255,255,.15);padding-top:2rem}
@media(min-width:768px){.hero .stats{grid-template-columns:repeat(4,1fr)}}
.hero .stat-k{font-family:var(--font-display);font-size:2rem;color:var(--safety)}
@media(min-width:768px){.hero .stat-k{font-size:2.5rem}}
.hero .stat-v{margin-top:.25rem;font-size:.7rem;text-transform:uppercase;
  letter-spacing:.18em;color:rgba(255,255,255,.6)}

/* ============ Marquee ============ */
.marquee-wrap{background:var(--ink);color:#fff;border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.1);overflow:hidden;padding:1.25rem 0}
.marquee{display:flex;gap:3rem;width:max-content;animation:marquee 40s linear infinite}
.marquee span{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.18em;
  font-size:.875rem;color:rgba(255,255,255,.7)}
.marquee .dot{color:var(--safety)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============ Cards / sections ============ */
.bg-grid{display:grid;gap:1px;background:var(--border)}
.bg-grid > *{background:var(--bg);padding:2rem}
.surface-ink .bg-grid{background:rgba(255,255,255,.1)}
.surface-ink .bg-grid > *{background:var(--ink)}

.card{background:var(--card);border:1px solid var(--border);padding:2rem;
  transition:transform .35s cubic-bezier(.2,.8,.2,1), border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--ink)}
.card h3{margin-top:1.5rem;font-size:1.5rem}
.card p{margin-top:.75rem;font-size:.875rem;color:var(--muted);line-height:1.6}
.card .meta{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;font-size:.75rem}
.card .meta .imp{text-transform:uppercase;letter-spacing:.18em;color:var(--muted)}
.card .meta .arrow{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em}
.card:hover .meta .arrow{color:var(--transit)}

.step{padding:2rem}
.step .num{font-family:var(--font-display);font-size:3rem;color:var(--safety);line-height:1}
.step h3{margin-top:1.5rem;font-size:1.25rem;color:#fff}
.step p{margin-top:.75rem;font-size:.875rem;color:rgba(255,255,255,.6);line-height:1.6}

/* ============ Network ============ */
.boroughs{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.boro{aspect-ratio:1/1;border:1px solid rgba(255,255,255,.15);padding:1rem;
  display:flex;flex-direction:column;justify-content:space-between}
.boro.hl{background:var(--safety);color:var(--ink);border-color:transparent}
.boro .name{font-family:var(--font-display);font-size:.875rem;text-transform:uppercase}
.boro .sub{font-size:.625rem;opacity:.7;margin-top:.25rem}

/* ============ Sustainability ============ */
.sus{background:var(--safety);color:var(--ink)}
.sus li{display:flex;gap:.75rem;align-items:flex-start;font-size:.875rem;font-weight:500;margin-bottom:.75rem}
.sus li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--ink);margin-top:.6rem;flex-shrink:0}

/* ============ Footer ============ */
.site-footer{background:var(--ink);color:var(--concrete);overflow:hidden}
.site-footer .col-list a{color:rgba(255,255,255,.8);font-size:.875rem;line-height:2}
.site-footer .col-list a:hover{color:var(--safety)}
.site-footer .legal{margin-top:5rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;
  font-size:.75rem;color:rgba(255,255,255,.5)}
.site-footer h2{font-size:clamp(2.75rem,6vw,5rem);line-height:.95}

/* ============ Page intro ============ */
.page-intro{background:var(--ink);color:#fff;padding:10rem 0 6rem;margin-top:-5rem;position:relative}
.page-intro h1{font-family:var(--font-display);font-weight:600;
  font-size:clamp(2.5rem,5.5vw,5rem);line-height:1;letter-spacing:-.03em;max-width:60rem}
.page-intro p{margin-top:1.5rem;max-width:40rem;color:rgba(255,255,255,.7);font-size:1.125rem}

/* ============ Pricing ============ */
.tiers{display:grid;gap:1.5rem;grid-template-columns:1fr}
@media(min-width:900px){.tiers{grid-template-columns:repeat(2,1fr)}}
.tier{padding:2.5rem;border:1px solid var(--border);background:var(--card)}
.tier.featured{background:var(--ink);color:#fff;border-color:var(--ink)}
.tier .name{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;color:var(--muted)}
.tier.featured .name{color:var(--safety)}
.tier .price{font-family:var(--font-display);font-size:3rem;margin-top:1rem;line-height:1}
.tier ul{margin-top:2rem;display:flex;flex-direction:column;gap:.75rem;font-size:.95rem}
.tier ul li{padding-left:1.25rem;position:relative}
.tier ul li::before{content:"→";position:absolute;left:0;color:var(--safety)}

/* ============ Form ============ */
.form{display:grid;gap:1rem;max-width:42rem}
.form label{font-size:.75rem;text-transform:uppercase;letter-spacing:.15em;color:var(--muted);font-family:var(--font-display)}
.form input,.form textarea,.form select{width:100%;padding:.875rem 1rem;border:1px solid var(--border);
  background:#fff;color:var(--ink);font:inherit;border-radius:2px}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--ink)}

/* ============ Misc ============ */
.divider{border-top:1px solid var(--border)}
.muted{color:var(--muted)}
.aspect-45{aspect-ratio:4/5;overflow:hidden;background:#eaeae3}
.aspect-45 img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.aspect-45:hover img{transform:scale(1.04)}

.tag-row{display:flex;flex-wrap:wrap;gap:.5rem;font-size:10px;text-transform:uppercase;letter-spacing:.18em}
.tag{background:var(--ink);color:#fff;padding:.4rem .75rem}

.kv{display:flex;align-items:baseline;gap:1.5rem;padding:1rem 0;border-bottom:1px solid var(--border)}
.kv .k{width:7rem;flex-shrink:0;font-family:var(--font-display);font-size:.75rem;
  text-transform:uppercase;letter-spacing:.18em;color:var(--muted)}
.kv .v{font-size:.875rem}