/* ============================================
   BLING BIKES — style.css
   All visual styling for blingbikes.co.uk
============================================ */

/* ── BRAND VARIABLES ── */
:root {
  --bg:          #090b0d;
  --surface:     #0e1114;
  --surface-2:   #161b20;
  --text:        #edf2f4;
  --accent:      #4a9ebb;
  --accent-h:    #62b4d4;
  --accent-glow: rgba(74,158,187,0.32);
  --muted:       rgba(237,242,244,0.42);
  --gap:         2px;
  --sans:        'Inter', sans-serif;
  --serif:       'Playfair Display', serif;
  --ease:        cubic-bezier(0.22,1,0.36,1);
  --t:           0.6s cubic-bezier(0.22,1,0.36,1);
}

/* ── RESET ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }

/* ── GRAIN OVERLAY ── */
body::after {
  content:'';
  position:fixed; inset:0;
  z-index:9000;
  pointer-events:none;
  opacity:.042;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat:repeat;
  background-size:200px 200px;
}

/* ── HEADER ── */
header {
  position:fixed; inset:0 0 auto;
  z-index:500;
  display:flex; justify-content:space-between; align-items:center;
  padding:1.6rem 2.8rem;
  transition: background .35s, border-color .35s;
}
header.solid {
  background: rgba(9,11,13,.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(74,158,187,.1);
}
.logo { font-size:1rem; font-weight:900; letter-spacing:-.01em; text-transform:uppercase; }
.logo .dot { color:var(--accent); }
nav { display:flex; align-items:center; gap:2.2rem; }
nav a {
  font-size:.74rem; font-weight:500; letter-spacing:.1em;
  text-transform:uppercase; color:var(--muted);
  position:relative; transition:color .25s;
}
nav a::after {
  content:''; position:absolute; left:0; bottom:-3px;
  width:0; height:1px; background:var(--accent);
  transition: width .3s var(--ease);
}
nav a:hover { color:var(--text); }
nav a:hover::after { width:100%; }
.nav-cta {
  background:var(--accent) !important; color:#fff !important;
  padding:.5rem 1.3rem !important; font-weight:700 !important;
  letter-spacing:.1em !important;
  transition: background .25s, transform .2s, box-shadow .25s !important;
}
.nav-cta::after { display:none !important; }
.nav-cta:hover {
  background:var(--accent-h) !important;
  transform:translateY(-1px) !important;
  box-shadow:0 6px 24px var(--accent-glow) !important;
}

/* ── BUTTONS ── */
.btn {
  display:inline-flex; align-items:center; gap:.55rem;
  font-family:var(--sans); font-size:.78rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  padding:.9rem 2rem; border:none; cursor:pointer;
  transition:all .3s var(--ease);
}
.btn--solid { background:var(--accent); color:#fff; }
.btn--solid:hover { background:var(--accent-h); transform:translateY(-2px); box-shadow:0 10px 32px var(--accent-glow); }
.btn--ghost { background:transparent; color:var(--text); border:1px solid rgba(237,242,244,.18); }
.btn--ghost:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }

/* ── HERO ── */
.hero {
  position:relative; min-height:100svh;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:0 2.8rem 5.5rem; overflow:hidden;
}

/* Video background container */
.hero-video {
  position:absolute; inset:0;
  overflow:hidden;
}
.hero-video video {
  width:100%; height:100%;
  object-fit:cover; object-position:center;
  filter:brightness(.52) saturate(.75);
}
/* Dark gradient so text is always readable */
.hero-video::after {
  content:''; position:absolute; inset:0;
  background:
    linear-gradient(to bottom,
      rgba(9,11,13,.2)  0%,
      rgba(9,11,13,.08) 30%,
      rgba(9,11,13,.55) 65%,
      rgba(9,11,13,.92) 100%
    ),
    linear-gradient(to right,
      rgba(9,11,13,.65) 0%,
      rgba(9,11,13,.1)  55%,
      transparent 100%
    );
}
/* Blue brand tint */
.hero-video::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse at 60% 40%, rgba(74,158,187,.1) 0%, transparent 65%);
  pointer-events:none;
}

/* Accent top line */
.hero-line {
  position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent 0%, var(--accent) 40%, transparent 100%);
  opacity:.6; z-index:10;
}

/* Mute button */
.hero-mute {
  position:absolute; bottom:2rem; left:2.8rem;
  z-index:10;
  width:36px; height:36px; border-radius:50%;
  border:1px solid rgba(237,242,244,.25);
  background:rgba(9,11,13,.5);
  backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  transition:border-color .25s, background .25s;
  opacity:0; animation:fadeUp .6s 1.8s ease forwards;
}
.hero-mute:hover { border-color:var(--accent); background:rgba(74,158,187,.15); }
.hero-mute svg { width:16px; height:16px; }

/* Hero content sits above video */
.hero-inner { position:relative; z-index:10; }

.hero-tag {
  display:inline-flex; align-items:center; gap:.75rem;
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--accent); margin-bottom:1.4rem;
  opacity:0; animation:fadeInTag .6s .2s var(--ease) forwards;
}
.hero-tag::before { content:''; width:1.8rem; height:1px; background:var(--accent); flex-shrink:0; }

/* ── KINETIC HEADLINE ── */
.hero-h1 {
  font-size:clamp(4.5rem,11vw,10rem);
  font-weight:900; letter-spacing:-.055em; line-height:1.2;
  margin-bottom:1.8rem;
}
.hero-h1 em {
  display:block; font-style:italic;
  font-family:var(--serif); color:var(--accent);
}
/* headline words — plain inline, no animation, no clipping ever */
.word-wrap { display:inline; }
.word      { display:inline; }

.hero-sub {
  font-size:clamp(.88rem,1.4vw,1rem); color:var(--muted);
  line-height:1.85; max-width:400px; margin-bottom:2.8rem;
  opacity:0; animation:fadeUp .7s .9s var(--ease) forwards;
}
.hero-ctas { display:flex; gap:.8rem; flex-wrap:wrap; opacity:0; animation:fadeUp .7s 1.1s var(--ease) forwards; }

.scroll-cue {
  position:absolute; bottom:2rem; right:2.8rem; z-index:10;
  display:flex; flex-direction:column; align-items:center; gap:.45rem;
  color:var(--muted); font-size:.62rem; letter-spacing:.16em; text-transform:uppercase;
  opacity:0; animation:fadeUp .6s 1.5s ease forwards;
}
.scroll-line {
  width:1px; height:42px;
  background:linear-gradient(to bottom, var(--accent), transparent);
  animation:sPulse 2.4s ease-in-out infinite;
}

/* ── MARQUEE ── */
.marq-wrap {
  overflow:hidden; background:var(--surface);
  border-top:1px solid rgba(74,158,187,.08);
  border-bottom:1px solid rgba(74,158,187,.08);
  padding:1.05rem 0;
}
.marq-track { display:flex; width:max-content; animation:marq 24s linear infinite; }
.marq-track.rev { animation-direction:reverse; animation-duration:30s; }
.marq-track span { white-space:nowrap; font-size:.65rem; font-weight:700; letter-spacing:.2em; text-transform:uppercase; color:var(--muted); padding:0 2rem; }
.marq-track .pip { color:var(--accent); padding:0; letter-spacing:0; }

/* ── SECTION HEADER ── */
.sec-head {
  display:flex; justify-content:space-between; align-items:flex-end;
  padding:6rem 2.8rem 2.8rem; gap:2rem;
}
.sec-head h2 { font-size:clamp(2.2rem,4.5vw,4rem); font-weight:900; letter-spacing:-.045em; line-height:1.02; }
.sec-head h2 em { font-style:italic; font-family:var(--serif); color:var(--accent); }
.sec-head p { font-size:.8rem; color:var(--muted); text-align:right; max-width:250px; line-height:1.8; }

/* ── HORIZONTAL CAROUSEL ── */
.carousel-wrap {
  position:relative; overflow:hidden;
  cursor:grab; user-select:none;
  padding:0 0 0 2.8rem;
}
.carousel-wrap.is-dragging { cursor:grabbing; }
.carousel-track {
  display:flex; gap:3px;
  overflow-x:scroll;
  scroll-snap-type:x mandatory;
  scrollbar-width:none; -ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
  align-items:stretch;
}
.carousel-track::-webkit-scrollbar { display:none; }
.carousel-slide {
  flex:0 0 auto;
  width:72vw; max-width:1000px;
  aspect-ratio:16/9; min-height:320px;
  position:relative; overflow:hidden;
  background:#060809;
  scroll-snap-align:center;
  transition:transform .4s var(--ease);
}
.carousel-slide:first-child { width:80vw; max-width:1100px; }
.carousel-slide img {
  width:100%; height:100%;
  object-fit:contain; object-position:center; padding:5%;
  filter:drop-shadow(0 0 40px rgba(74,158,187,.18));
  transition:transform .6s var(--ease), filter .6s var(--ease);
  pointer-events:none;
}
.carousel-slide:hover img {
  transform:scale(1.04);
  filter:drop-shadow(0 0 60px rgba(74,158,187,.35)) brightness(1.07);
}
.carousel-slide::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(115deg, transparent 30%, rgba(74,158,187,.1) 50%, transparent 70%);
  transform:translateX(-130%); transition:transform .9s var(--ease);
  z-index:2; pointer-events:none;
}
.carousel-slide:hover::before { transform:translateX(130%); }
.carousel-slide-over {
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(9,11,13,.88) 0%, transparent 50%);
  opacity:0; transition:opacity .4s;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:1.6rem 2rem; z-index:3;
}
.carousel-slide:hover .carousel-slide-over { opacity:1; }
.cs-name { font-size:1rem; font-weight:700; color:var(--text); transform:translateY(8px); transition:transform .4s var(--ease); }
.cs-meta { font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; color:var(--accent); margin-top:.3rem; transform:translateY(8px); transition:transform .4s var(--ease) .04s; }
.carousel-slide:hover .cs-name,
.carousel-slide:hover .cs-meta { transform:translateY(0); }
.carousel-slide-bar { position:absolute; bottom:0; left:0; height:2px; width:0; background:var(--accent); transition:width .55s var(--ease); z-index:4; }
.carousel-slide:hover .carousel-slide-bar { width:100%; }
.cs-idx { position:absolute; top:1.2rem; right:1.5rem; z-index:3; font-size:.56rem; letter-spacing:.18em; text-transform:uppercase; color:rgba(237,242,244,.22); transition:color .3s; }
.carousel-slide:hover .cs-idx { color:rgba(237,242,244,.5); }

.carousel-nav {
  display:flex; justify-content:space-between; align-items:center;
  padding:1.4rem 2.8rem;
  border-bottom:1px solid rgba(74,158,187,.08);
}
.carousel-caption { font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; color:rgba(237,242,244,.28); margin-bottom:.6rem; }
.carousel-caption span { color:var(--accent); }
.carousel-dots { display:flex; gap:.45rem; align-items:center; }
.c-dot { width:5px; height:5px; border-radius:50%; background:rgba(237,242,244,.2); transition:background .3s, transform .3s; cursor:pointer; }
.c-dot.active { background:var(--accent); transform:scale(1.5); }
.carousel-arrows { display:flex; gap:.6rem; }
.c-arrow {
  width:38px; height:38px; border-radius:50%;
  border:1px solid rgba(237,242,244,.18); background:transparent;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; color:var(--text);
  transition:border-color .25s, background .25s, transform .2s;
}
.c-arrow:hover { border-color:var(--accent); background:rgba(74,158,187,.12); transform:scale(1.08); }
.c-arrow svg { width:16px; height:16px; }

/* ── SPECS ── */
.specs {
  display:grid; grid-template-columns:1fr 1fr; gap:5rem;
  padding:7rem 2.8rem;
  border-top:1px solid rgba(74,158,187,.07);
  align-items:center;
}
.specs-copy h3 { font-size:clamp(1.8rem,3.2vw,2.9rem); font-weight:900; letter-spacing:-.04em; line-height:1.08; margin-bottom:1.6rem; }
.specs-copy h3 em { font-style:italic; font-family:var(--serif); color:var(--accent); }
.specs-copy p { font-size:.9rem; color:var(--muted); line-height:1.9; max-width:400px; }
.tiles { display:grid; grid-template-columns:1fr 1fr; gap:1.5px; }
.tile { background:var(--surface); padding:1.6rem; transition:background .3s; cursor:default; position:relative; overflow:hidden; }
.tile::after { content:''; position:absolute; bottom:0; left:0; height:1px; width:0; background:var(--accent); transition:width .4s var(--ease); }
.tile:hover { background:var(--surface-2); }
.tile:hover::after { width:100%; }
.tile-val { font-size:1.7rem; font-weight:900; letter-spacing:-.055em; line-height:1; color:var(--text); }
.tile-val .count { display:inline-block; transition:color .3s; }
.tile:hover .tile-val .count { color:var(--accent); }
.tile-val sub { font-size:.85rem; font-weight:600; vertical-align:baseline; color:var(--accent); }
.tile-lbl { font-size:.66rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-top:.5rem; }

/* ── NOTIFY ── */
.notify { position:relative; overflow:hidden; background:var(--surface); text-align:center; padding:10rem 2.8rem; }
.notify::before { content:''; position:absolute; inset:0; background:radial-gradient(ellipse at center, rgba(74,158,187,.09) 0%, transparent 65%); pointer-events:none; }
.notify::after { content:''; position:absolute; top:0; left:0; right:0; height:1px; background:linear-gradient(90deg, transparent, var(--accent), transparent); opacity:.4; }
.notify h2 { font-size:clamp(3rem,7.5vw,7rem); font-weight:900; letter-spacing:-.055em; line-height:.92; position:relative; z-index:1; margin-bottom:1.2rem; }
.notify h2 em { font-style:italic; font-family:var(--serif); color:var(--accent); }
.notify > p { font-size:.92rem; color:var(--muted); max-width:420px; margin:0 auto 3.2rem; line-height:1.85; position:relative; z-index:1; }
.notify-form { display:flex; justify-content:center; max-width:460px; margin:0 auto; position:relative; z-index:1; }
.notify-input { flex:1; background:rgba(237,242,244,.05); border:1px solid rgba(237,242,244,.12); border-right:none; padding:.9rem 1.4rem; font-family:var(--sans); font-size:.85rem; color:var(--text); outline:none; transition:border-color .25s; }
.notify-input::placeholder { color:var(--muted); }
.notify-input:focus { border-color:var(--accent); }
.notify-btn { background:var(--accent); color:#fff; border:1px solid var(--accent); padding:.9rem 1.8rem; font-family:var(--sans); font-size:.74rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; cursor:pointer; white-space:nowrap; transition:background .25s, box-shadow .25s; }
.notify-btn:hover { background:var(--accent-h); box-shadow:0 4px 24px var(--accent-glow); }
.notify-thanks { display:none; margin-top:1.2rem; font-size:.8rem; letter-spacing:.08em; color:var(--accent); position:relative; z-index:1; }

/* ── ABOUT ── */
.about { display:grid; grid-template-columns:1fr 1fr; gap:5rem; padding:7rem 2.8rem; border-top:1px solid rgba(74,158,187,.07); align-items:center; }
.about-hl { font-size:clamp(2rem,3.5vw,2.9rem); font-weight:900; letter-spacing:-.04em; line-height:1.1; }
.about-hl em { display:block; font-style:italic; font-family:var(--serif); color:var(--accent); }
.about-body { display:flex; flex-direction:column; gap:1.2rem; }
.loc-tag { display:inline-flex; align-items:center; gap:.5rem; font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); }
.loc-tag::before { content:'◉'; font-size:.52rem; }
.about-body p { font-size:.9rem; color:var(--muted); line-height:1.9; }

/* ── FOOTER ── */
footer { border-top:1px solid rgba(74,158,187,.08); padding:3.5rem 2.8rem; display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:2rem; }
.foot-brand .foot-logo { font-size:1.35rem; font-weight:900; letter-spacing:-.03em; text-transform:uppercase; }
.foot-brand .foot-logo .dot { color:var(--accent); }
.foot-brand small { display:block; font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); margin-top:.25rem; }
.foot-nav { display:flex; justify-content:center; gap:2.5rem; }
.foot-nav a { font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); transition:color .2s; }
.foot-nav a:hover { color:var(--accent); }
.foot-contact { text-align:right; }
.foot-contact a { display:block; font-size:.74rem; color:var(--muted); transition:color .2s; line-height:2.1; }
.foot-contact a:hover { color:var(--accent); }
.foot-copy { grid-column:1/-1; border-top:1px solid rgba(237,242,244,.04); padding-top:1.8rem; text-align:center; font-size:.6rem; letter-spacing:.08em; color:rgba(237,242,244,.15); }

/* ── SCROLL REVEAL ── */
/* Visible by default — JS animates them in */
.reveal { opacity:1; transform:none; }
.reveal.animate { opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.animate.in { opacity:1; transform:none; }

/* ── KEYFRAMES ── */
@keyframes fadeInTag { from{opacity:0;transform:translateX(-12px);} to{opacity:1;transform:translateX(0);} }
/* @keyframes wordIn defined above with hero-h1 */
@keyframes fadeUp    { from{opacity:0;transform:translateY(18px);} to{opacity:1;transform:translateY(0);} }
@keyframes sPulse    { 0%,100%{opacity:.3;transform:scaleY(1);} 50%{opacity:1;transform:scaleY(.6);} }
@keyframes marq      { from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* ── RESPONSIVE ── */
@media(max-width:1024px){ .carousel-slide{ width:80vw; } }
@media(max-width:820px){
  .carousel-slide, .carousel-slide:first-child { width:88vw; }
  .specs,.about { grid-template-columns:1fr; gap:3rem; }
  .sec-head { flex-direction:column; align-items:flex-start; }
  .sec-head p { text-align:left; max-width:100%; }
}
@media(max-width:600px){
  header { padding:1.2rem 1.4rem; }
  .nav-cta { display:none; }
  .hero { padding:0 1.4rem 4.5rem; }
  .sec-head { padding:4rem 1.4rem 2rem; }
  .specs,.about { padding:4rem 1.4rem; }
  .notify { padding:6rem 1.4rem; }
  footer { grid-template-columns:1fr; text-align:center; }
  .foot-contact { text-align:center; }
  .foot-nav { flex-wrap:wrap; gap:1.5rem; }
  .carousel-wrap { padding:0 0 0 1.4rem; }
  .carousel-slide, .carousel-slide:first-child { width:92vw; aspect-ratio:4/3; }
  .carousel-nav { padding:1rem 1.4rem; }
  .hero-mute { left:1.4rem; }
}
@media(prefers-reduced-motion:reduce){ .word,.hero-tag,.hero-sub,.hero-ctas,.scroll-cue,.hero-mute { animation:none; opacity:1; transform:none; } }