/* ============================================================
   HAMZA LVH — Design System
   Luxe automobile nocturne · or signature · chrome · rouge
   ============================================================ */

:root{
  --bg:#0B0B0D;
  --bg-2:#0E0F12;
  --surface:#15171B;
  --surface-2:#191C21;
  --border:#262A30;
  --border-soft:#1E2126;
  --text:#F4F4F2;
  --muted:#9AA0A8;
  --muted-2:#6E747C;
  --gold-1:#C9A24B;
  --gold-2:#E6C76E;
  --gold-3:#F2DD98;
  --chrome:#C8CDD4;
  --red:#E0241B;
  --whatsapp:#25D366;
  --gold-grad:linear-gradient(135deg,#C9A24B 0%,#E6C76E 52%,#C9A24B 100%);
  --gold-grad-soft:linear-gradient(135deg,#E6C76E,#C9A24B);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px;
  --shadow-card:0 18px 50px -24px rgba(0,0,0,.85);
  --shadow-gold:0 18px 60px -22px rgba(201,162,75,.45);
  --maxw:1240px;
  --nav-h:80px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(230,199,110,.28);color:#fff}

h1,h2,h3,h4,.display{font-family:'Sora',sans-serif;letter-spacing:-.01em;line-height:1.04}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit}

/* ---------- layout helpers ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{position:relative;padding:96px 0}
@media(max-width:768px){.section{padding:64px 0}}
.eyebrow{
  font-family:'Sora',sans-serif;font-weight:600;font-size:12.5px;
  letter-spacing:.32em;text-transform:uppercase;color:var(--gold-2);
  display:inline-flex;align-items:center;gap:12px;white-space:nowrap;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold-grad);display:inline-block}
.eyebrow.center::after{content:"";width:26px;height:1px;background:var(--gold-grad);display:inline-block}
.eyebrow.center{justify-content:center}

.h-sec{font-size:clamp(30px,4.4vw,52px);font-weight:700;letter-spacing:-.02em;text-transform:uppercase}
.sub{color:var(--muted);font-size:17px;max-width:56ch;text-wrap:pretty}

/* ---------- gold / chrome text ---------- */
.gold{
  background:var(--gold-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.chrome{
  background:linear-gradient(180deg,#fff 0%,#C8CDD4 48%,#8A9099 52%,#EDEFF2 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:'Sora',sans-serif;font-weight:600;font-size:13.5px;
  letter-spacing:.08em;text-transform:uppercase;
  padding:15px 26px;border-radius:999px;cursor:pointer;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,filter .25s,background .25s,border-color .25s;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-gold{background:var(--gold-grad);color:#1A1407;box-shadow:0 10px 30px -10px rgba(201,162,75,.6)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 44px -12px rgba(230,199,110,.7);filter:brightness(1.06)}
.btn-ghost{background:rgba(255,255,255,.02);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(230,199,110,.55);background:rgba(230,199,110,.06)}
.btn-wa{background:var(--whatsapp);color:#06310f}
.btn-wa:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 38px -14px rgba(37,211,102,.6)}
.btn-sm{padding:11px 18px;font-size:12px}
.btn-block{width:100%}

/* ---------- cards ---------- */
.card{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg-2) 100%);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
}
.lift{transition:transform .4s cubic-bezier(.2,.7,.2,1),border-color .4s,box-shadow .4s}
.lift:hover{transform:translateY(-7px);border-color:rgba(230,199,110,.4);box-shadow:0 30px 70px -30px rgba(0,0,0,.9),0 0 0 1px rgba(230,199,110,.12)}

/* hairline gold divider */
.hr-gold{height:1px;width:100%;background:linear-gradient(90deg,transparent,rgba(230,199,110,.5),transparent);border:none}

/* ---------- glow / halo ---------- */
.halo{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:0}
.halo-gold{background:radial-gradient(circle,rgba(201,162,75,.30),transparent 70%)}
.halo-gold-soft{background:radial-gradient(circle,rgba(201,162,75,.16),transparent 70%)}

/* grain + vignette overlays */
.vignette::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 0%,transparent 55%,rgba(0,0,0,.55) 100%)}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--muted);
  padding:6px 12px;border:1px solid var(--border);border-radius:999px;
  background:rgba(255,255,255,.02);white-space:nowrap;
}
.chip svg{width:14px;height:14px;color:var(--gold-2)}
.badge-gold{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  font-family:'Sora',sans-serif;letter-spacing:.04em;
  padding:7px 13px;border-radius:999px;
  color:var(--gold-2);border:1px solid rgba(230,199,110,.32);
  background:rgba(230,199,110,.07);
}

/* ---------- spec image placeholder ---------- */
.ph{
  position:relative;width:100%;height:100%;
  background:
    repeating-linear-gradient(135deg,rgba(230,199,110,.05) 0 2px,transparent 2px 11px),
    linear-gradient(160deg,#191C21,#0E0F12);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  overflow:hidden;
}
.ph .ph-brand{font-family:'Sora',sans-serif;font-weight:800;text-transform:uppercase;
  font-size:clamp(28px,5vw,46px);letter-spacing:.04em;
  color:transparent;-webkit-text-stroke:1px rgba(200,205,212,.22);opacity:.7}
.ph .ph-label{font-family:'JetBrains Mono','SF Mono',ui-monospace,monospace;
  font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}
.ph .ph-glow{position:absolute;width:60%;height:60%;border-radius:50%;
  background:radial-gradient(circle,rgba(201,162,75,.12),transparent 70%);filter:blur(30px)}

/* ---------- inputs ---------- */
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-family:'Sora',sans-serif;font-weight:500}
.control{
  display:flex;align-items:center;gap:10px;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-sm);
  padding:0 14px;height:52px;transition:border-color .2s,box-shadow .2s;
}
.control:focus-within{border-color:rgba(230,199,110,.6);box-shadow:0 0 0 3px rgba(230,199,110,.1)}
.control svg{width:17px;height:17px;color:var(--gold-2);flex-shrink:0}
.control input,.control select,.control textarea{
  flex:1;background:transparent;border:none;outline:none;color:var(--text);
  font-size:14.5px;width:100%;min-width:0;
}
.control select{cursor:pointer;appearance:none}
.control textarea{padding:15px 0;height:auto;resize:vertical;line-height:1.6}
.control.area{height:auto;align-items:flex-start;padding-top:0}
.control input::placeholder,.control textarea::placeholder{color:var(--muted-2)}
.control select option{background:var(--surface);color:var(--text)}
.invalid .control{border-color:rgba(224,36,27,.7)}
.err{color:#ff6b63;font-size:12px}

/* ---------- scroll reveal ----------
   Transform-only (opacity stays 1) so a throttled/paused iframe can never
   freeze content hidden. Resting state is fully visible; .in just removes the
   small upward offset. */
.reveal{transform:translateY(22px);transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{transform:none}
.reveal.d1{transition-delay:.07s}.reveal.d2{transition-delay:.14s}
.reveal.d3{transition-delay:.21s}.reveal.d4{transition-delay:.28s}.reveal.d5{transition-delay:.35s}
@media(prefers-reduced-motion:reduce){.reveal{transform:none;transition:none}}

/* star rating */
.stars{display:inline-flex;gap:2px;color:var(--gold-2)}
.stars svg{width:15px;height:15px}
.stars .off{color:#3a3d44}

/* nav */
.nav-link{position:relative;font-size:14.5px;color:var(--muted);padding:6px 2px;transition:color .2s;font-weight:500}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--text)}
.nav-link.active::after,.nav-link:hover::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--gold-grad);border-radius:2px}

/* scrollbar */
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:#23262c;border-radius:10px;border:3px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#33373f}

/* fade/scale page transition */
@keyframes pageIn{from{transform:translateY(10px)}to{transform:none}}
/* never animate opacity on the page container — a throttled/paused iframe
   would otherwise freeze it hidden. Only transform moves. */
.page-anim{opacity:1;animation:pageIn .45s ease}
@media(prefers-reduced-motion:reduce){.page-anim{animation:none}}

/* utility */
.mono{font-family:'JetBrains Mono','SF Mono',ui-monospace,monospace}
.grid-lines{background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:64px 64px}
.no-scroll{overflow:hidden}