/* =========================================================
   CSB Cleiton — Acessórios para Serralheria e Ferragens
   Design system v2
   ========================================================= */

:root {
  /* Brand palette (sampled from the artwork) */
  --navy-950: #040c18;
  --navy-900: #04101f;
  --navy-800: #081f3c;
  --blue:       #0d3b75;
  --blue-lift:  #1d6fc4;
  --steel:      #0e1c30;   /* card surface */
  --steel-2:    #14263f;
  --red:        #d01818;
  --red-deep:   #9e0f0f;
  --gold:       #f5b60f;
  --gold-bright:#ffd451;

  --ink:    #f0f4fb;   /* headings on dark */
  --text:   #c6d3e6;   /* body on dark */
  --muted:  #8296b2;

  --wa:     #25d366;
  --wa-dark:#1ebe5b;

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-body:    "Manrope", system-ui, sans-serif;

  --radius: 18px;
  --wrap: 1180px;
  --gutter: 22px;
  --header-h: 74px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 8px)}
body{
  font-family:var(--font-body);
  color:var(--text);
  background:var(--navy-900);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{ /* deep blue radial glow behind everything */
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1200px 700px at 50% -8%, rgba(29,111,196,.42), transparent 60%),
    radial-gradient(900px 600px at 90% 20%, rgba(13,59,117,.5), transparent 55%),
    var(--navy-900);
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;
  background:none;border:none;color:inherit}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* ---------- Type helpers ---------- */
.gold{color:var(--gold-bright)}
.sec-head__kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);
}
.sec-head__kicker .dot{width:9px;height:9px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(245,182,15,.15)}
.sec-head__title{
  font-family:var(--font-display);color:var(--ink);
  font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.02;letter-spacing:.5px;
  text-transform:uppercase;margin-top:16px;
}
.sec-head__note{color:var(--muted);max-width:260px;font-size:.95rem;margin:0}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:44px;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:11px;
  font-family:var(--font-body);font-weight:800;border-radius:999px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;line-height:1;
}
.btn i{font-size:1.15em}
.btn--wa{background:var(--wa);color:#fff;box-shadow:0 10px 28px rgba(37,211,102,.32)}
.btn--wa:hover{background:var(--wa-dark);transform:translateY(-2px);
  box-shadow:0 16px 36px rgba(37,211,102,.42)}
.btn--ghost{background:transparent;color:var(--ink);
  border:1.5px solid rgba(198,211,230,.32)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn--light{background:#fff;color:var(--red);box-shadow:0 12px 30px rgba(0,0,0,.28)}
.btn--light:hover{background:var(--gold-bright);color:var(--navy-950);transform:translateY(-2px)}
.btn--sm{padding:11px 20px;font-size:.92rem}
.btn--lg{padding:17px 30px;font-size:1.02rem}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:100;height:var(--header-h);
  background:rgba(4,16,31,.72);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(198,211,230,.08)}
.header__in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand__logo{width:46px;height:46px;flex:0 0 46px;border-radius:50%;
  overflow:hidden;border:2px solid var(--gold);background:var(--navy-800);
  box-shadow:0 0 0 3px rgba(245,182,15,.15);display:grid;place-items:center}
.brand__logo img{width:100%;height:100%;object-fit:cover}
.brand__word{font-family:var(--font-display);font-size:1.5rem;letter-spacing:1px;
  color:var(--red);text-transform:uppercase;line-height:1}
.brand__word em{font-family:var(--font-body);font-style:italic;font-weight:800;
  color:var(--ink);font-size:.85em;margin-left:3px;letter-spacing:0}
.nav{display:flex;gap:6px}
.nav__link{color:var(--text);font-weight:700;font-size:.93rem;padding:9px 14px;
  border-radius:10px;transition:color .2s,background .2s}
.nav__link:hover{color:var(--ink);background:rgba(29,111,196,.20)}
.nav-toggle{display:none;font-size:1.3rem;padding:8px 12px;border-radius:10px;
  border:1px solid rgba(198,211,230,.24)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 22px}
.hero__metal{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.6;
  background:
    repeating-linear-gradient(135deg, rgba(13,59,117,.12) 0 1px, transparent 1px 90px),
    repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 1px, transparent 1px 60px);
  -webkit-mask-image:radial-gradient(closest-side at 50% 0, #000, transparent 85%);
          mask-image:radial-gradient(closest-side at 50% 0, #000, transparent 85%);
}
.hero__in{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero__kicker{display:inline-flex;align-items:center;gap:12px;
  font-size:.82rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold)}
.hero__rule{width:34px;height:2px;background:var(--gold)}
.hero__title{font-family:var(--font-display);color:var(--ink);
  font-size:clamp(2.5rem,6vw,4.6rem);line-height:.98;letter-spacing:.5px;
  text-transform:uppercase;margin:20px 0 20px}
.hero__lede{color:var(--text);font-size:1.08rem;max-width:520px;margin-bottom:28px}
.hero__cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero__motto{font-size:1.12rem;color:var(--muted);font-weight:600}
.hero__motto em{color:var(--gold-bright);font-style:normal;font-weight:800}

/* Emblem (logo in a glowing ring) */
.hero__emblem{display:flex;justify-content:center}
.emblem{position:relative;width:min(340px,80vw);aspect-ratio:1/1;
  display:grid;place-items:center}
.emblem__img{width:100%;height:100%;object-fit:contain;
  filter:drop-shadow(0 22px 40px rgba(0,0,0,.55))}
.emblem__ring{position:absolute;inset:0;border-radius:50%;
  border:1px solid rgba(245,182,15,.35)}
.emblem__ring--1{inset:-14px;border-style:dashed;
  animation:spin 40s linear infinite}
.emblem__ring--2{inset:-28px;border-color:rgba(29,111,196,.30);
  animation:spin 60s linear infinite reverse}
.emblem__spark{position:absolute;width:9px;height:9px;border-radius:50%;
  background:var(--gold-bright);box-shadow:0 0 14px 4px rgba(255,212,81,.55);
  animation:float 5s var(--ease) infinite}
.emblem__spark--a{top:4%;left:22%}
.emblem__spark--b{top:30%;right:2%;animation-delay:1.4s;width:7px;height:7px}
.emblem__spark--c{bottom:10%;left:10%;animation-delay:2.6s;width:6px;height:6px}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0);opacity:.6}
  50%{transform:translateY(-18px);opacity:1}}

/* Hero strip (ticker) */
.hero__strip{max-width:var(--wrap);margin:46px auto 0;padding:18px var(--gutter) 0;
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:22px;
  border-top:1px solid rgba(198,211,230,.12);
  font-family:var(--font-display);color:var(--ink);font-size:1.05rem;
  letter-spacing:2px;text-transform:uppercase}
.hero__strip i{color:var(--gold);font-style:normal;font-size:.8em}

/* ---------- Sections ---------- */
.section{padding:92px 0}
.diffs{background:linear-gradient(180deg, transparent, rgba(8,31,60,.5));}
.diffs__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:52px}
.diff{position:relative;padding:26px 22px 26px 0}
.diff__num{font-family:var(--font-display);font-size:3.2rem;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(245,182,15,.5)}
.diff__head{color:var(--ink);font-size:1.12rem;font-weight:800;margin:16px 0 8px}
.diff__text{color:var(--muted);font-size:.95rem}
.diff::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:linear-gradient(90deg, rgba(245,182,15,.5), transparent 70%)}

/* ---------- Produtos ---------- */
.prod{background:var(--steel)}
.prod__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.prod__card{position:relative;display:flex;flex-direction:column;
  background:var(--steel-2);border:1px solid rgba(198,211,230,.1);
  border-radius:var(--radius);padding:0 0 22px;overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.prod__card:hover{transform:translateY(-6px);border-color:rgba(245,182,15,.45);
  box-shadow:0 22px 46px rgba(0,0,0,.42)}
.prod__mat{height:118px;display:block}
.prod__mat--steel{background:
  linear-gradient(135deg,#c2ccd6 0%,#7d8a99 38%,#35404d 62%,#aab4c0 100%)}
.prod__mat--brass{background:
  linear-gradient(135deg,#f4d47c 0%,#c9a03c 45%,#7f5e1b 70%,#e8bd59 100%)}
.prod__mat--galv{background:
  repeating-linear-gradient(90deg,#b9c2cc 0 3px,#97a2ae 3px 6px),
  linear-gradient(135deg,#d3dae2,#a7b1bd)}
.prod__card::after{content:"";position:absolute;top:118px;left:0;right:0;height:1px;
  background:rgba(0,0,0,.35)}
.prod__icon{margin:-30px auto 14px;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.35rem;background:var(--navy-900);
  color:var(--gold-bright);border:2px solid rgba(245,182,15,.5);
  box-shadow:0 10px 20px rgba(0,0,0,.4);z-index:1}
.prod__name{color:var(--ink);font-weight:800;font-size:1.08rem;
  padding:0 22px;text-align:center}
.prod__detail{color:var(--muted);font-size:.9rem;text-align:center;
  padding:8px 22px 0;flex:1}
.prod__go{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  margin:18px auto 0;color:var(--gold);font-weight:800;font-size:.92rem;
  transition:gap .2s var(--ease)}
.prod__card:hover .prod__go{gap:14px}
.prod__go i{transition:transform .2s}
.prod__card:hover .prod__go i{transform:translateX(3px)}

/* ---------- Sobre ---------- */
.sobre__in{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.sobre__text{color:var(--text);max-width:560px;margin-top:18px;font-size:1.05rem}
.sobre__text strong{color:var(--ink)}
.sobre__text--gold{color:var(--gold-bright);font-weight:700}
.sobre__text--gold em{font-style:normal;font-weight:800}
.sobre__stat{justify-self:center;text-align:center;
  border-left:1px solid rgba(198,211,230,.14);padding-left:44px}
.sobre__stat-big{display:block;font-family:var(--font-display);
  font-size:clamp(4rem,8vw,6rem);line-height:1;color:var(--gold)}
.sobre__stat-big em{font-style:normal}
.sobre__stat-label{color:var(--muted);font-weight:700;text-transform:uppercase;
  letter-spacing:.14em;font-size:.85rem;margin-top:6px}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--red-deep),var(--red) 70%);
  margin:0;padding:64px 0}
.cta__in{display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap}
.cta__kicker{font-size:.82rem;font-weight:800;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold-bright)}
.cta__title{font-family:var(--font-display);color:#fff;
  font-size:clamp(1.8rem,4vw,2.9rem);line-height:1.04;text-transform:uppercase;
  margin-top:12px}
.cta__sub{color:rgba(255,255,255,.85);margin-top:12px}
.cta__action{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.cta__phone{display:flex;align-items:center;gap:12px;font-family:var(--font-display);
  font-size:clamp(1.4rem,3vw,2rem);color:#fff;letter-spacing:1px}
.cta__phone i{font-size:1.5em;color:var(--wa)}

/* ---------- Footer ---------- */
.footer{background:var(--navy-950);padding-top:56px}
.footer__in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px;
  padding-bottom:40px}
.footer .brand__word{font-size:1.35rem}
.footer__tagline{color:var(--text);font-weight:700;margin-top:16px}
.footer__motto{color:var(--gold-bright);font-style:italic;margin-top:4px}
.footer__nav{display:flex;flex-direction:column;gap:10px}
.footer__nav a{color:var(--muted);font-weight:600;transition:color .2s}
.footer__nav a:hover{color:var(--ink)}
.footer__wa{display:inline-flex;align-items:center;gap:10px;color:var(--wa);
  font-weight:800;font-size:1.05rem}
.footer__wa:hover{color:var(--wa-dark)}
.footer__bottom{border-top:1px solid rgba(198,211,230,.1);
  text-align:center;padding:20px;color:var(--muted);font-size:.85rem}

/* ---------- Floating WhatsApp ---------- */
.fab{position:fixed;right:22px;bottom:22px;z-index:90;width:58px;height:58px;
  display:grid;place-items:center;border-radius:50%;font-size:1.8rem;color:#fff;
  background:var(--wa);box-shadow:0 14px 30px rgba(37,211,102,.45);
  transition:transform .2s var(--ease),background .2s}
.fab:hover{background:var(--wa-dark);transform:scale(1.08)}

/* ---------- Header scrolled ---------- */
.header.scrolled{background:rgba(4,16,31,.94)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 920px){
  .hero__in{grid-template-columns:1fr;gap:34px}
  .hero__lede{max-width:100%}
  .hero__title{max-width:100%}
  .diffs__grid{grid-template-columns:repeat(2,1fr)}
  .sobre__in{grid-template-columns:1fr;gap:30px}
  .sobre__stat{border-left:none;padding-left:0;justify-self:start}
}
@media (max-width: 700px){
  .prod__grid{grid-template-columns:repeat(2,1fr)}
  .sec-head--row{flex-direction:column;align-items:flex-start}
}
@media (max-width: 560px){
  :root{--header-h:64px}
  .brand__word{font-size:1.25rem}
  .header .btn--sm span{display:none}
  .header .btn--sm i{font-size:1.25rem}
  .header .btn--sm{padding:11px 13px}
  .nav-toggle{display:block}
  .nav{position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;
    gap:4px;padding:14px 16px;background:rgba(4,16,31,.98);
    border-bottom:1px solid rgba(198,211,230,.14);
    transform:translateY(-140%);transition:transform .3s var(--ease)}
  .nav.open{transform:translateY(0)}
  .nav__link{padding:14px;border-radius:10px}
  .prod__grid{grid-template-columns:1fr 1fr;gap:12px}
  .prod__name{font-size:.98rem;padding:0 14px}
  .prod__detail{font-size:.82rem;padding:6px 14px 0}
  .prod__mat{height:96px}
  .prod__icon{margin-top:-26px;width:50px;height:50px;font-size:1.2rem}
  .section{padding:64px 0}
  .hero__strip{font-size:.85rem;gap:14px}
  .fab{width:52px;height:52px;right:16px;bottom:16px;font-size:1.5rem}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}