:root{ --accent:#ef6c0b; }
html{ scroll-behavior:smooth; }
body{
  background:#f5f6f8;
  color:#1c2430;
  font-family:'Inter',system-ui,sans-serif;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{ background:var(--accent); color:#fff; }

.font-display{ font-family:'Space Grotesk',system-ui,sans-serif; }
.kicker{ letter-spacing:.3em; text-transform:uppercase; font-size:.72rem; font-weight:600; }
.accent-text{
  background:linear-gradient(120deg,#f0871f,#e85d04);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hairline{ height:1px; background:linear-gradient(90deg,transparent,rgba(15,23,42,.12),transparent); }

/* ===== SPA PAGES ===== */
.page{ display:none; }
.page.active{ display:block; animation:pageIn .32s ease both; }
@keyframes pageIn{ from{ opacity:0; transform:translateY(8px) } to{ opacity:1; transform:none } }

/* ===== REVEAL ON SCROLL ===== */
.reveal{
  opacity:0; transform:translateY(28px);
  transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
  will-change:opacity,transform;
}
.reveal.in{ opacity:1; transform:none; }
.reveal:nth-child(2){ transition-delay:.08s; }
.reveal:nth-child(3){ transition-delay:.16s; }
.reveal:nth-child(4){ transition-delay:.24s; }
.reveal:nth-child(n+5){ transition-delay:.32s; }

/* ===== BUTTONS ===== */
.btn-accent{
  background:linear-gradient(120deg,#f47920,#ef6c0b);
  color:#fff; font-weight:700;
  box-shadow:0 10px 30px -10px rgba(239,108,11,.55);
  transition:transform .3s cubic-bezier(.2,.7,.2,1), box-shadow .3s, filter .25s;
  display:inline-flex; align-items:center;
  position:relative; overflow:hidden;
}
.btn-accent::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(120deg, rgba(255,255,255,.2), transparent);
  opacity:0; transition:opacity .3s;
  pointer-events:none;
}
.btn-accent:hover::before{ opacity:1; }
.btn-accent:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 48px -12px rgba(239,108,11,.75);
  filter:brightness(1.06);
}
.btn-accent:active{ transform:translateY(-1px); }

/* ===== CARDS ===== */
.card{
  --rx:0deg; --ry:0deg;
  background:#fff;
  border:1px solid rgba(15,23,42,.08);
  box-shadow:0 1px 2px rgba(15,23,42,.04), 0 12px 28px -20px rgba(15,23,42,.25);
  transition:transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s, border-color .35s;
  position:relative;
  transform:perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style:preserve-3d;
}
.card:hover{
  transform:perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px) scale(1.01);
  border-color:rgba(239,108,11,.4);
  box-shadow:0 1px 2px rgba(15,23,42,.04), 0 28px 56px -28px rgba(239,108,11,.4);
}
.card::after{
  content:""; position:absolute; inset:0; border-radius:inherit;
  opacity:0; transition:opacity .35s;
  background:radial-gradient(600px at var(--mouse-x,50%) var(--mouse-y,50%), rgba(239,108,11,.05), transparent 80%);
  pointer-events:none;
}
.card:hover::after{ opacity:1; }
.card.tilt-off{ --rx:0deg; --ry:0deg; transition:transform .55s cubic-bezier(.2,.7,.2,1); }

/* ===== INPUTS ===== */
.field{
  background:#fff; border:1px solid #e2e8f0; color:#1e293b; border-radius:.85rem;
  transition:.2s; width:100%;
}
.field:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(239,108,11,.15); }
.field::placeholder{ color:#94a3b8; }

/* ===== DARK SECTIONS ===== */
.stage{
  position:relative; color:#e7ecf3;
  background:radial-gradient(120% 90% at 72% 8%, rgba(239,108,11,.12), transparent 55%), #0a0d12;
}
.stage-grid{
  position:absolute; inset:0; pointer-events:none; opacity:.6;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(circle at 60% 30%, #000 0%, transparent 80%);
          mask-image:radial-gradient(circle at 60% 30%, #000 0%, transparent 80%);
}
.light-grid{
  position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.45;
  background-image:
    linear-gradient(rgba(15,23,42,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,.04) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
          mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

/* ===== NAV ===== */
#nav{ transition:background .3s, box-shadow .3s, border-color .3s; border-bottom:1px solid transparent; }
#nav .navlink{ color:rgba(255,255,255,.8); position:relative; transition:color .25s; }
#nav .navlink:hover{ color:#fff; }
#nav .navlink::after{ content:""; position:absolute; left:0; bottom:-4px; height:1.5px; width:0; background:var(--accent); transition:width .3s; }
#nav .navlink:hover::after, #nav .navlink.nav-active::after{ width:100%; }
#nav .navlink.nav-active{ color:#fff; }
#nav .logo-dark{ display:none; }
#nav.scrolled{ background:rgba(245,246,248,.92); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-bottom-color:rgba(15,23,42,.08); box-shadow:0 1px 24px rgba(15,23,42,.06); }
#nav.scrolled .logo-light{ display:none; }
#nav.scrolled .logo-dark{ display:block; }
#nav.scrolled .navlink{ color:#475569; }
#nav.scrolled .navlink:hover{ color:#0f172a; }
#nav.scrolled .navlink.nav-active{ color:var(--accent); }
#nav.scrolled .navlink.nav-active::after{ background:var(--accent); }
.hb{ display:block; width:22px; height:2px; background:currentColor; border-radius:2px; transition:.25s; }

/* ===== MODEL TABS ===== */
.model-tab{
  border:1px solid rgba(255,255,255,.18); color:rgba(255,255,255,.65);
  padding:.5rem 1.05rem; border-radius:99px; font-size:.84rem; font-weight:600; transition:.2s; cursor:pointer;
}
.model-tab:hover{ color:#fff; border-color:rgba(255,255,255,.4); }
.model-tab.active{ background:linear-gradient(120deg,#f47920,#ef6c0b); border-color:transparent; color:#fff; box-shadow:0 8px 24px -8px rgba(239,108,11,.6); }

/* ===== LOADER ===== */
#loader{ position:fixed; inset:0; z-index:60; background:#0a0d12; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:1.5rem; transition:opacity .8s ease; }
#loader.hide{ opacity:0; pointer-events:none; }
.loader-bar{ width:min(320px,70vw); height:3px; background:rgba(255,255,255,.12); border-radius:99px; overflow:hidden; }
.loader-fill{ height:100%; width:0%; background:linear-gradient(90deg,#f47920,#ef6c0b); transition:width .25s; }

#scrollbar{ position:fixed; top:0; left:0; height:2px; width:0%; z-index:50; background:linear-gradient(90deg,#f47920,#ef6c0b); box-shadow:0 0 12px rgba(239,108,11,.6); }

.scroll-cue{ width:24px; height:40px; border:1.5px solid rgba(255,255,255,.25); border-radius:14px; position:relative; }
.scroll-cue::after{ content:""; position:absolute; left:50%; top:7px; width:4px; height:8px; border-radius:99px; background:var(--accent); transform:translateX(-50%); animation:cue 1.6s infinite; }
@keyframes cue{ 0%{ opacity:0; transform:translate(-50%,0) } 40%{ opacity:1 } 100%{ opacity:0; transform:translate(-50%,14px) } }

/* ===== MARQUEE ===== */
.marquee{ display:flex; gap:3rem; white-space:nowrap; animation:marq 28s linear infinite; }
@keyframes marq{ to{ transform:translateX(-50%); } }
.marquee span{ color:#94a3b8; font-weight:600; letter-spacing:.18em; text-transform:uppercase; }

/* ===== MAP ===== */
.map-pin{ filter:drop-shadow(0 0 10px rgba(239,108,11,.8)); }
.pin-pulse{ transform-origin:center; animation:pinp 2.2s ease-out infinite; }
@keyframes pinp{ 0%{ r:6; opacity:.7 } 100%{ r:34; opacity:0 } }

/* ===== CAROUSEL ===== */
.car-slide{ position:absolute; inset:0; opacity:0; transition:opacity .75s ease; pointer-events:none; }
.car-slide.active{ opacity:1; pointer-events:auto; }
.car-dot{ width:8px; height:8px; border-radius:99px; background:rgba(255,255,255,.35); border:none; cursor:pointer; transition:.25s; padding:0; }
.car-dot.active{ background:#fff; width:20px; }

/* ===== MODAL ===== */
#modal{
  position:fixed; inset:0; z-index:70;
  background:rgba(5,8,14,.72); backdrop-filter:blur(8px);
  display:none; place-items:center; padding:1rem;
}
#modal.open{ display:grid; }
.modal-box{
  background:#fff; border-radius:1.75rem;
  max-width:600px; width:100%; max-height:88vh; overflow-y:auto;
  padding:2.5rem; position:relative;
  animation:mboxIn .3s cubic-bezier(.2,.7,.2,1);
  scrollbar-width:thin; scrollbar-color:rgba(15,23,42,.15) transparent;
}
@keyframes mboxIn{ from{ opacity:0; transform:scale(.93) translateY(14px) } to{ opacity:1; transform:none } }
.modal-close{
  position:absolute; top:1.25rem; right:1.25rem;
  width:36px; height:36px; border-radius:99px;
  background:#f1f5f9; border:none; cursor:pointer;
  display:grid; place-items:center; font-size:.95rem; color:#64748b; transition:.2s;
}
.modal-close:hover{ background:#e2e8f0; color:#0f172a; }
.modal-bullet{ display:flex; align-items:flex-start; gap:.6rem; color:#475569; font-size:.9rem; line-height:1.5; }
.modal-bullet::before{ content:""; width:6px; height:6px; border-radius:99px; background:var(--accent); flex-shrink:0; margin-top:.45em; }

/* ===== MISC ===== */
a[href]{ position:relative; }

/* ===== WHATSAPP BUTTON ===== */
a.wa-btn{
  position:fixed !important; bottom:1.75rem; right:1.75rem; z-index:999;
  display:inline-flex; align-items:center; gap:.55rem;
  background:#25d366; color:#fff; font-weight:700; font-size:.875rem; letter-spacing:.01em;
  padding:.72rem 1.2rem .72rem .85rem; border-radius:99px;
  box-shadow:0 4px 20px rgba(37,211,102,.45), 0 1px 4px rgba(0,0,0,.14);
  text-decoration:none;
  transition:transform .2s cubic-bezier(.2,.7,.2,1), box-shadow .2s;
}
a.wa-btn:hover{
  transform:translateY(-3px) scale(1.04);
  box-shadow:0 10px 36px rgba(37,211,102,.55), 0 2px 8px rgba(0,0,0,.15);
}
a.wa-btn svg{ width:22px; height:22px; fill:#fff; flex-shrink:0; }
@media(max-width:500px){
  a.wa-btn span{ display:none; }
  a.wa-btn{ padding:.85rem; border-radius:50%; }
}