:root{
--black:#050505;
--dark:#0b0b0b;
--card:#111111;
--gold:#c6a94f;
--gold-strong:#d4b75f;
--gold-light:rgba(198,169,79,.15);
--gold-line:rgba(198,169,79,.25);
--text:#f5f5f5;
--soft:#a0a0a0;
--radius:18px;
--nav-height:80px;
}

/* ===============================
   RESET
================================ */
*{
margin:0;
padding:0;
box-sizing:border-box;
-webkit-tap-highlight-color:transparent;
}

html{
scroll-behavior:smooth;
}

body{
font-family:'Montserrat',sans-serif;
background:var(--black);
color:var(--text);
line-height:1.7;
overflow-x:hidden;
letter-spacing:.2px;
padding-top:var(--nav-height);
-webkit-font-smoothing:antialiased;
text-rendering:optimizeLegibility;
}

a{
color:inherit;
text-decoration:none;
transition:.25s ease;
}

section{
scroll-margin-top:calc(var(--nav-height) + 20px);
}

/* ===============================
   PROGRESS BAR
================================ */
#progressBar{
position:fixed;
top:0;
left:0;
height:3px;
width:100%;
background:linear-gradient(90deg,var(--gold),var(--gold-strong));
transform:scaleX(0);
transform-origin:left;
z-index:3000;
}

/* ===============================
   NAVIGATION
================================ */
nav{
position:fixed;
top:0;
width:100%;
height:var(--nav-height);
display:flex;
align-items:center;
background:rgba(0,0,0,.92);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
transition:all .35s ease;
z-index:2000;
}

nav.shrink{
height:65px;
border-bottom:1px solid var(--gold-line);
background:rgba(0,0,0,.98);
}

.nav-container{
display:flex;
justify-content:space-between;
align-items:center;
width:100%;
max-width:1200px;
margin:auto;
padding:0 24px;
}

.logo a{
display:inline-block;
-webkit-tap-highlight-color:transparent;
}

.logo img{
height:60px;
display:block;
}

/* ===============================
   MENU
================================ */
.nav-menu{
list-style:none;    
display:none;
flex-direction:column;
gap:22px;
position:absolute;
top:100%;
right:0;
background:rgba(0,0,0,.95);
backdrop-filter:blur(20px);
-webkit-backdrop-filter:blur(20px);
margin:0;
padding:30px 25px;
text-align:center;
align-items:center;
border-radius:var(--radius);
box-shadow:0 30px 80px rgba(0,0,0,.8);
min-width:240px;
border:1px solid rgba(255,255,255,.05);
}

.nav-menu.active{
display:flex;
}

.nav-menu li{
list-style:none;
}

.nav-menu a{
color:var(--soft);
font-weight:500;
display:block;
padding:10px 0;
letter-spacing:.5px;
width:100%;
}

.nav-menu a:hover{
color:var(--gold);
}

.nav-cta{
background:linear-gradient(135deg,var(--gold),var(--gold-strong));
color:#000!important;
padding:9px 18px;
border-radius:10px;
font-weight:600;
}

/* ===============================
   BURGER
================================ */
.burger{
display:flex;
flex-direction:column;
gap:5px;
background:none;
border:none;
cursor:pointer;
}

.burger span{
width:26px;
height:3px;
background:var(--gold);
transition:.3s ease;
}

.burger.active span:nth-child(1){
transform:rotate(45deg) translate(5px,5px);
}

.burger.active span:nth-child(2){
opacity:0;
}

.burger.active span:nth-child(3){
transform:rotate(-45deg) translate(5px,-5px);
}

/* ===============================
   HERO
================================ */
.hero{
min-height:calc(100vh - var(--nav-height));
display:flex;
align-items:center;
padding:90px 24px 70px;
background:radial-gradient(circle at top left, rgba(198,169,79,.08), transparent 60%);
}

.hero-inner{
max-width:1200px;
margin:auto;
}

.hero h1{
font-family:'Playfair Display',serif;
font-size:clamp(2rem, 5vw, 3.4rem);
line-height:1.15;
margin-bottom:25px;
}

.hero h1 span{
background:linear-gradient(90deg,var(--gold),#ffffff);
-webkit-background-clip:text;
-webkit-text-fill-color:transparent;
}

.hero p{
color:var(--soft);
margin-bottom:35px;
max-width:750px;
}

.hero-benefits{
list-style:none;
display:flex;
flex-direction:column;
gap:14px;
margin-bottom:45px;
}

.hero-benefits li{
display:flex;
align-items:flex-start;
gap:12px;
font-weight:500;
}

.hero-benefits i{
color:var(--gold);
margin-top:4px;
}
.benefit-list{
list-style:none;
padding-left:0;
margin-left:0;
}
.hero-note{
margin-top:50px;
color:var(--soft);
font-size:0.95rem;
letter-spacing:.3px;
}

/* ===============================
   BUTTON
================================ */
.btn-primary{
display:inline-block;
background:linear-gradient(135deg,var(--gold),var(--gold-strong));
color:#000;
padding:16px 30px;
border-radius:14px;
font-weight:600;
letter-spacing:.5px;
cursor:pointer;
transition:all .35s ease;
box-shadow:0 15px 35px rgba(198,169,79,.2);
}

.btn-primary:hover{
transform:translateY(-4px);
box-shadow:0 25px 60px rgba(198,169,79,.4);
}

/* ===============================
   SECTIONS
================================ */
.section{
padding:110px 24px;
}

.section.dark{
background:var(--dark);
}

.section h2{
font-family:'Playfair Display',serif;
font-size:2.1rem;
margin-bottom:45px;
}

/* ===============================
   CARDS
================================ */
.cards{
display:grid;
gap:35px;
margin-top:50px;
}

.card{
background:var(--card);
padding:45px;
border-radius:var(--radius);
border:1px solid rgba(255,255,255,.05);
transition:all .35s ease;
}

.card:hover{
transform:translateY(-6px);
box-shadow:0 25px 60px rgba(0,0,0,.65);
}

.card-icon{
font-size:30px;
color:var(--gold);
margin-bottom:20px;
}

.card h3{
color:var(--gold);
margin-bottom:15px;
}

/* ===============================
   FAQ
================================ */
.faq-container{
max-width:820px;
margin:50px auto 0;
display:flex;
flex-direction:column;
gap:22px;
}

.faq-item{
background:var(--card);
border-radius:var(--radius);
border:1px solid rgba(255,255,255,.05);
overflow:hidden;
transition:.3s ease;
}

.faq-item:hover{
border-color:var(--gold-line);
}

.faq-question{
width:100%;
background:none;
border:none;
color:var(--text);
padding:24px;
display:flex;
justify-content:space-between;
cursor:pointer;
font-weight:600;
text-align:left;
}

.faq-answer{
max-height:0;
overflow:hidden;
transition:max-height .4s ease, padding .3s ease;
padding:0 24px;
color:var(--soft);
}

.faq-item.active .faq-answer{
max-height:600px;
padding:0 24px 24px;
}

/* ===============================
   FORM
================================ */
#contact form{
max-width:620px;
margin:40px auto 0;
display:flex;
flex-direction:column;
gap:20px;
}

#contact input,
#contact textarea{
padding:16px;
border-radius:14px;
border:1px solid rgba(255,255,255,.1);
background:var(--card);
color:#fff;
transition:.3s ease;
}

#contact input:focus,
#contact textarea:focus{
outline:none;
border-color:var(--gold);
box-shadow:0 0 0 2px var(--gold-light);
}

/* ===============================
   BACK TO TOP
================================ */
#topBtn{
position:fixed;
bottom:110px;
right:22px;
width:52px;
height:52px;
border-radius:50%;
background:linear-gradient(135deg,var(--gold),var(--gold-strong));
border:none;
opacity:0;
pointer-events:none;
transition:.3s ease;
z-index:2500;
}

#topBtn.show{
opacity:1;
pointer-events:auto;
}

#topBtn i{
color:#000;
font-size:18px;
}

/* ===============================
   PREMIUM STICKY BAR
================================ */
.sticky-cta{
position:fixed;
bottom:0;
left:0;
width:100%;
display:flex;
backdrop-filter:blur(18px);
-webkit-backdrop-filter:blur(18px);
background:rgba(10,10,10,.9);
border-top:1px solid var(--gold-line);
box-shadow:0 -10px 40px rgba(0,0,0,.6);
z-index:2400;
}

.sticky-cta a{
flex:1;
padding:15px 10px;
text-align:center;
font-weight:600;
font-size:.95rem;
display:flex;
align-items:center;
justify-content:center;
gap:8px;
transition:.3s ease;
}

.cta-call{
color:#fff;
border-right:1px solid rgba(255,255,255,.05);
}

.cta-call:hover{
background:rgba(255,255,255,.05);
}

.cta-whatsapp{
color:#25D366;
}

.cta-whatsapp:hover{
background:rgba(37,211,102,.1);
}

.cta-form{
background:linear-gradient(135deg,var(--gold),var(--gold-strong));
color:#000;
font-weight:700;
}

.cta-form:hover{
filter:brightness(1.05);
}

/* ===============================
   DESKTOP
================================ */
@media(min-width:992px){

.nav-menu{
display:flex;
position:static;
flex-direction:row;
background:none;
padding:0;
box-shadow:none;
border:none;
}

.burger{display:none;}

.cards{
grid-template-columns:repeat(3,1fr);
}

.sticky-cta{
display:none;
}

}