/* ===== TS ENERGY · shared design system (premium dark) ===== */
:root{
  --bg:#0C0F14; --bg2:#12161D; --surface:#161B23; --line:rgba(245,179,1,.14);
  --gold:#F5B301; --gold-soft:#FFCB3D; --ink:#F4EFE6; --mut:#9AA3AF;
  --serif:'Fraunces',serif; --sans:'Hanken Grotesk',sans-serif; --mono:'JetBrains Mono',monospace;
  --r:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);display:inline-block}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.06;letter-spacing:-.01em}
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--sans);font-weight:700;font-size:.95rem;
  background:var(--gold);color:#1A1206;padding:15px 30px;border-radius:50px;border:1px solid var(--gold);
  transition:.25s;cursor:pointer;box-shadow:0 10px 30px -8px rgba(245,179,1,.5)}
.btn:hover{background:transparent;color:var(--gold);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:rgba(255,255,255,.18);box-shadow:none}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold)}
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* NAV */
nav{position:fixed;top:0;width:100%;z-index:50;padding:18px 0;transition:.3s;border-bottom:1px solid transparent}
nav.scr{background:rgba(12,15,20,.82);backdrop-filter:blur(14px);border-color:var(--line);padding:12px 0}
.nav{display:flex;align-items:center;justify-content:space-between}
.nav img{height:32px;filter:brightness(0) invert(1)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a:not(.btn){font-size:.9rem;color:var(--mut);font-weight:500;transition:.2s}
.nav-links a:not(.btn):hover,.nav-links a.active{color:var(--ink)}
.menu{display:none;background:none;border:none;color:var(--ink);font-size:1.5rem;cursor:pointer}

/* SPLIT HERO */
.lphero{padding:150px 0 80px;position:relative;overflow:hidden}
.lphero::before{content:'';position:absolute;top:-160px;left:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,179,1,.12),transparent 65%);z-index:0}
.lphero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.lphero h1{font-size:clamp(2.4rem,4.6vw,3.9rem);margin:20px 0 20px}
.lphero h1 em{font-style:normal;color:var(--gold);font-weight:600}
.lphero .lead{font-size:1.15rem;color:#D8D2C7;max-width:520px;margin-bottom:28px;font-weight:300}
.lphero .hcta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.lphero .micro{font-family:var(--mono);font-size:.74rem;color:var(--mut)}
.lphero .chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.lphero .chips span{font-family:var(--mono);font-size:.7rem;color:var(--mut);border:1px solid var(--line);padding:7px 13px;border-radius:30px}
.hero-art{position:relative}
.hero-art .frame{border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:0 40px 90px -34px rgba(0,0,0,.8);background:var(--surface);aspect-ratio:4/3}
.hero-art .frame img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}
.hero-art .badge{position:absolute;left:-18px;bottom:26px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:0 20px 40px -20px rgba(0,0,0,.7)}
.hero-art .badge b{font-family:var(--serif);font-size:1.5rem;color:var(--gold);display:block;line-height:1}
.hero-art .badge span{font-size:.74rem;color:var(--mut)}

/* SECTIONS */
section{padding:96px 0;position:relative}
.dark-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.shead{max-width:740px;margin-bottom:50px}
.shead.center{margin-inline:auto;text-align:center}
.shead h2{font-size:clamp(1.9rem,3.6vw,2.8rem);margin:14px 0 12px}
.shead p{color:var(--mut);font-size:1.05rem}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps.s3{grid-template-columns:repeat(3,1fr)}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;transition:.3s}
.step:hover{transform:translateY(-6px);border-color:var(--gold)}
.step .n{font-family:var(--mono);font-size:.8rem;color:var(--gold);letter-spacing:.1em}
.step h3{font-size:1.2rem;margin:14px 0 8px}
.step p{color:var(--mut);font-size:.93rem}

/* BENEFITS */
.bens{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.ben{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:32px;display:flex;gap:18px;transition:.3s}
.ben:hover{border-color:var(--gold);transform:translateY(-5px)}
.ben .ic{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:rgba(245,179,1,.1);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:1.3rem}
.ben h3{font-size:1.22rem;margin-bottom:8px;line-height:1.25}
.ben p{color:var(--mut);font-size:.95rem}

/* GALLERY */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gal figure{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.gal.sq figure{aspect-ratio:1/1}
.gal.two{grid-template-columns:1fr 1fr;max-width:780px;margin:0 auto}
.gal img{width:100%;height:100%;object-fit:cover;transition:.5s}
.gal figure:hover img{transform:scale(1.06)}
.gal figcaption{position:absolute;left:0;bottom:0;width:100%;padding:13px;font-family:var(--mono);font-size:.68rem;letter-spacing:.07em;text-transform:uppercase;
  background:linear-gradient(transparent,rgba(12,15,20,.9));color:#E7E0D4}

/* GUARANTEE strip */
.guar{display:flex;gap:18px;align-items:center;max-width:900px;margin:0 auto;background:linear-gradient(135deg,rgba(245,179,1,.07),rgba(245,179,1,.02));
  border:1px solid var(--line);border-radius:var(--r);padding:28px 32px}
.guar .ic{font-size:2rem;color:var(--gold);flex-shrink:0}
.guar p{font-size:1.02rem;color:#E7E0D4}

/* SPEC SHEET (ficha técnica) */
.spec{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;max-width:940px;margin:0 auto}
.spec div{background:var(--surface);padding:24px 26px}
.spec b{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:7px}
.spec span{font-size:1.02rem;color:var(--ink)}
@media(max-width:760px){.spec{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.spec{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.qa{border:1px solid var(--line);border-radius:12px;margin-bottom:14px;background:var(--surface);overflow:hidden}
.qa button{width:100%;text-align:left;background:none;border:none;color:var(--ink);font-family:var(--sans);font-size:1.05rem;font-weight:600;
  padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px}
.qa button i{color:var(--gold);transition:.3s;flex-shrink:0}
.qa.open button i{transform:rotate(45deg)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--mut)}
.qa .ans p{padding:0 24px 22px}

/* FINAL CTA */
.final{text-align:center;background:radial-gradient(70% 120% at 50% 0%,rgba(245,179,1,.1),transparent 70%)}
.final h2{font-size:clamp(2rem,4vw,3.2rem);max-width:760px;margin:16px auto 16px}
.final p{color:var(--mut);max-width:560px;margin:0 auto 30px;font-size:1.08rem}
.final .micro{font-family:var(--mono);font-size:.76rem;color:var(--mut);margin-top:18px}
.cinfo{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-top:42px;color:var(--mut);font-family:var(--mono);font-size:.84rem}
.cinfo b{color:var(--ink)}

/* MID-PAGE CTA band */
.midcta{padding:64px 0;text-align:center;background:linear-gradient(135deg,rgba(245,179,1,.07),rgba(245,179,1,.02));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.midcta p{font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,1.8rem);color:var(--ink);max-width:640px;margin:0 auto 22px}

footer{border-top:1px solid var(--line);padding:46px 0;text-align:center;color:var(--mut);font-size:.84rem}
.float{position:fixed;right:24px;bottom:24px;width:58px;height:58px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:60;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.float svg{width:30px;height:30px;fill:#fff}

/* Sticky mobile CTA (mobile only) */
.sticky-cta{display:none}
@media(max-width:880px){
  .sticky-cta{display:flex;position:fixed;left:0;bottom:0;width:100%;z-index:59;justify-content:center;align-items:center;
    background:var(--gold);color:#1A1206;font-family:var(--sans);font-weight:700;font-size:1rem;padding:15px 16px;text-align:center;
    box-shadow:0 -6px 22px rgba(0,0,0,.35);text-decoration:none}
  .float{bottom:74px;width:50px;height:50px}
  .float svg{width:26px;height:26px}
  body{padding-bottom:54px}
}

@media(max-width:900px){
  .nav-links{display:none}.menu{display:block}
  .lphero{padding:130px 0 60px}.lphero .wrap{grid-template-columns:1fr;gap:40px}.hero-art{max-width:460px}
  .steps,.steps.s3{grid-template-columns:1fr 1fr}.bens{grid-template-columns:1fr}
  .gal{grid-template-columns:1fr 1fr}.guar{flex-direction:column;text-align:center}
  section{padding:72px 0}
}
@media(max-width:520px){
  .steps,.steps.s3,.gal{grid-template-columns:1fr}
}

/* alvos de toque mobile */
@media(max-width:768px){
  .nav>a{min-height:44px;display:inline-flex;align-items:center}
  .menu{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0}
  .nav-links a{min-height:44px;display:flex;align-items:center}
  footer a{min-height:44px;display:inline-flex;align-items:center}
}