/* ============================================================
   Tfrigo Ar — Configurador de Câmara Frigorífica
   styles.css
   ============================================================ */
:root{
  --navy-900:#081320;
  --navy-800:#0c1c2e;
  --navy-700:#102540;
  --blue:#1499d6;          /* azul da logo */
  --blue-bright:#3fc3f0;
  --ice:#bfeaf7;
  --frost:#eef7fd;
  --gray:#8aa3bd;
  --line:rgba(120,170,210,.16);
  --good:#3ddc97;
  --warn:#ffcf6b;
  --shadow:0 24px 60px -24px rgba(0,0,0,.55);
  --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Plus Jakarta Sans',system-ui,sans-serif;
  background:var(--navy-900);
  color:var(--frost);line-height:1.5;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.mono{font-family:'IBM Plex Mono',monospace}
img{max-width:100%;display:block}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:40;background:rgba(8,19,32,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:42px;width:auto}
.brand .txt{font-weight:800;letter-spacing:-.02em;font-size:1.1rem;line-height:1.05}
.brand .txt small{display:block;font-weight:500;font-size:.64rem;color:var(--gray);letter-spacing:.04em;margin-top:1px}
.top-cta{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.9rem;color:#04240f;background:linear-gradient(135deg,#34d27a,#1faf5e);padding:9px 16px;border-radius:999px;text-decoration:none;transition:transform .15s}
.top-cta:hover{transform:translateY(-1px)}
@media(max-width:560px){.top-cta span{display:none}.brand .txt small{display:none}}

/* ---------- Hero (claro) ---------- */
.hero{position:relative;overflow:hidden;background:#0c1c2e}
.hero-bg{position:absolute;inset:0;background-image:url('../img/hero-bg.jpg');background-size:cover;background-position:center;filter:saturate(1.05)}
.hero-ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,19,32,.30),rgba(8,19,32,.72) 78%,var(--navy-900)),linear-gradient(90deg,rgba(8,19,32,.55),transparent 60%)}
.hero-in{position:relative;padding:64px 0 52px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#fff;border:1px solid rgba(255,255,255,.35);padding:6px 13px;border-radius:999px;background:rgba(20,153,214,.30);backdrop-filter:blur(4px)}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--good)}
h1{font-size:clamp(2rem,4.8vw,3.2rem);line-height:1.05;letter-spacing:-.03em;font-weight:800;margin:18px 0 14px;max-width:20ch;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.5)}
.lede{color:#dce9f4;font-size:1.08rem;max-width:56ch;text-shadow:0 1px 12px rgba(0,0,0,.5)}

/* ---------- Layout ---------- */
.grid{display:grid;grid-template-columns:1fr 372px;gap:24px;align-items:start;padding:30px 0 70px}
@media(max-width:940px){.grid{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--navy-800),var(--navy-700));border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}

.step{padding:22px;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.step-num{font-family:'IBM Plex Mono',monospace;font-size:.78rem;font-weight:600;color:var(--blue-bright);border:1px solid var(--line);width:30px;height:30px;border-radius:8px;display:grid;place-items:center;flex:none}
.step-head h2{font-size:1.06rem;font-weight:700;letter-spacing:-.01em}
.step-head p{font-size:.8rem;color:var(--gray);margin-top:1px}

label.f{display:block;font-size:.8rem;font-weight:600;color:var(--ice);margin:0 0 7px}
.field{margin-bottom:16px}
.row{display:grid;gap:14px}
.row.c2{grid-template-columns:1fr 1fr}
.row.c3{grid-template-columns:1fr 1fr 1fr}
@media(max-width:520px){.row.c2,.row.c3{grid-template-columns:1fr}}

input[type=text],input[type=tel],input[type=number],select,textarea{
  width:100%;background:var(--navy-900);border:1px solid var(--line);color:var(--frost);
  border-radius:11px;padding:12px 13px;font-family:inherit;font-size:.92rem;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical;min-height:74px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,153,214,.20)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%233fc3f0' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{cursor:pointer;font-size:.84rem;font-weight:600;color:var(--ice);background:var(--navy-900);border:1px solid var(--line);border-radius:12px;padding:9px 14px;transition:border-color .15s,background .15s;font-family:inherit;text-align:left}
.chip:hover{border-color:rgba(20,153,214,.55)}
.chip.on{background:linear-gradient(135deg,var(--blue),#0f6fa0);color:#fff;border-color:transparent}
.chip .t{display:block;font-size:.67rem;font-weight:500;opacity:.85;margin-top:2px}

/* botão especialista */
.specialist{display:flex;align-items:center;gap:10px;width:100%;justify-content:center;margin-bottom:14px;background:rgba(52,210,122,.10);border:1px dashed rgba(52,210,122,.5);color:#7ef0b4;font-weight:700;font-size:.9rem;border-radius:12px;padding:12px;cursor:pointer;font-family:inherit;transition:background .15s}
.specialist:hover{background:rgba(52,210,122,.18)}
.specialist svg{width:18px;height:18px}

.nota{font-size:.82rem;color:var(--gray);margin-top:12px;padding:10px 12px;background:rgba(20,153,214,.06);border-left:2px solid var(--blue);border-radius:0 8px 8px 0}
.compat{display:none;font-size:.82rem;color:#1a2330;margin-top:12px;padding:10px 12px;background:var(--warn);border-radius:8px;line-height:1.4}

/* sliders */
.slider-row{display:grid;grid-template-columns:30px 1fr 92px;align-items:center;gap:12px;margin-bottom:13px}
.slider-row .tag{font-weight:700;color:var(--blue-bright);font-size:.9rem}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:999px;background:linear-gradient(90deg,var(--blue) var(--pct,40%),rgba(120,170,210,.22) var(--pct,40%));outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--blue);cursor:pointer;box-shadow:0 3px 8px rgba(0,0,0,.4)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--blue);cursor:pointer}
.num-unit{display:flex;align-items:center;gap:5px}
.num-unit input{text-align:right;padding:8px 9px;font-family:'IBM Plex Mono',monospace}
.num-unit .u{color:var(--gray);font-size:.82rem}

.hint{font-size:.76rem;color:var(--gray);margin:-4px 0 12px}
.toggle-link{background:none;border:none;color:var(--blue-bright);font-family:inherit;font-size:.8rem;font-weight:600;cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:3px}

/* preview */
.preview{background:radial-gradient(420px 320px at 60% 30%,rgba(20,153,214,.10),transparent 70%),var(--navy-900);border:1px solid var(--line);border-radius:13px;padding:6px;margin-bottom:16px;position:relative;overflow:hidden}
.preview svg{width:100%;height:auto;display:block}
.pv-badge{position:absolute;top:12px;left:12px;font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--ice);background:rgba(8,19,32,.7);border:1px solid var(--line);padding:5px 9px;border-radius:8px}

/* estimate panel */
.panel{position:sticky;top:84px}
.panel-head{padding:18px 20px 14px;border-bottom:1px solid var(--line)}
.panel-head .k{font-size:.72rem;letter-spacing:.10em;text-transform:uppercase;color:var(--blue-bright);font-weight:600}
.panel-head h3{font-size:1.1rem;font-weight:700;margin-top:3px}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}
.tag-pill{font-size:.7rem;font-weight:600;padding:3px 9px;border-radius:999px;background:rgba(20,153,214,.14);color:var(--blue-bright)}
.big{padding:18px 20px;border-bottom:1px solid var(--line);text-align:center;background:radial-gradient(300px 120px at 50% 0,rgba(20,153,214,.12),transparent)}
.big .v{font-family:'IBM Plex Mono',monospace;font-size:2.3rem;font-weight:600;letter-spacing:-.02em;line-height:1}
.big .v .un{font-size:1rem;color:var(--gray);font-weight:500}
.big .l{font-size:.78rem;color:var(--gray);margin-top:6px}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
.metrics div{background:var(--navy-700);padding:13px 16px}
.metrics .l{font-size:.72rem;color:var(--gray)}
.metrics .v{font-family:'IBM Plex Mono',monospace;font-size:1.04rem;font-weight:600;margin-top:2px}

.block{padding:14px 20px;border-bottom:1px solid var(--line)}
.block .bt{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gray);font-weight:600;margin-bottom:10px}
.l-row{display:flex;justify-content:space-between;align-items:center;font-size:.84rem;margin-bottom:8px}
.l-row:last-child{margin-bottom:0}
.l-row span:first-child{color:var(--gray)}
.l-row b{font-weight:700;color:var(--frost)}
.selo{font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:999px}
.selo.ok{background:rgba(61,220,151,.16);color:var(--good)}
.selo.warn{background:rgba(255,207,107,.18);color:var(--warn)}

/* barras quebra de carga */
.barline{display:grid;grid-template-columns:74px 1fr 38px;align-items:center;gap:8px;margin-bottom:7px;font-size:.76rem}
.barline .bl{color:var(--gray)}
.bartrack{height:7px;background:rgba(120,170,210,.14);border-radius:999px;overflow:hidden}
.bartrack i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--blue-bright));transition:width .2s}
.barline .bv{text-align:right;font-family:'IBM Plex Mono',monospace;color:var(--ice)}

.panel-cta{padding:18px 20px}
.wa-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:linear-gradient(135deg,#34d27a,#1faf5e);color:#04240f;font-weight:800;font-size:1rem;border:none;border-radius:12px;padding:15px;cursor:pointer;font-family:inherit;transition:transform .15s;box-shadow:0 12px 30px -12px rgba(52,210,122,.7)}
.wa-btn:hover{transform:translateY(-2px)}
.wa-btn svg{width:21px;height:21px}
.formMsg{display:none;font-size:.8rem;color:#1a2330;background:var(--warn);border-radius:9px;padding:9px 11px;margin-top:10px}
.disclaimer{font-size:.72rem;color:var(--gray);text-align:center;margin-top:11px;line-height:1.45}

/* mobile bar */
.mbar{display:none}
@media(max-width:940px){
  .panel{position:static}
  .mbar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;background:rgba(8,19,32,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:10px 14px;align-items:center;gap:12px}
  .mbar .mb-v{flex:1}
  .mbar .mb-v .l{font-size:.66rem;color:var(--gray)}
  .mbar .mb-v .v{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:1.05rem}
  .mbar .wa-btn{width:auto;flex:none;padding:13px 18px;font-size:.92rem}
  .mbar .wa-btn .lbl{display:none}
  body{padding-bottom:74px}
}

footer{border-top:1px solid var(--line);padding:28px 0;color:var(--gray);font-size:.84rem;text-align:center}
footer img{height:54px;margin:0 auto 12px}
footer a{color:var(--ice);text-decoration:none}
footer .fl{margin-top:4px}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}