/* ============================
RESET & BASE
============================ */

*{
box-sizing:border-box;
margin:0;
padding:0;
}

body{
font-family:'Segoe UI',Arial,sans-serif;
background:#f4f7fb;
color:#1e293b;
line-height:1.6;
}

a{
text-decoration:none;
transition:all .2s ease;
}

/* ============================
HEADER
============================ */

header{
background:#0d1b2a;
position:sticky;
top:0;
z-index:1000;
}

@supports ((-webkit-backdrop-filter: blur(8px)) or (backdrop-filter: blur(8px))){
header{
background:rgba(13,27,42,.9);
-webkit-backdrop-filter:blur(8px);
backdrop-filter:blur(8px);
}
}

nav{
max-width:1150px;
margin:auto;
padding:16px 20px;
display:flex;
align-items:center;
justify-content:space-between;
}

.logo{
color:white;
font-size:22px;
font-weight:700;
}

nav ul{
list-style:none;
display:flex;
gap:28px;
align-items:center;
}

nav ul li a{
color:#e2e8f0;
font-size:15px;
font-weight:500;
}

nav ul li a:hover{
color:#38bdf8;
}

/* ============================
MAIN
============================ */

main{
max-width:1150px;
margin:auto;
padding:60px 20px;
}

/* ============================
HERO
============================ */

.hero{
background:linear-gradient(135deg,#1b263b,#0d1b2a);
padding:90px 40px;
border-radius:18px;
color:white;
text-align:center;
box-shadow:0 20px 40px rgba(0,0,0,.25);
}

.hero h1{
font-size:46px;
margin-bottom:20px;
}

.hero p{
max-width:700px;
margin:auto;
margin-bottom:35px;
font-size:18px;
}

.hero-buttons{
display:flex;
justify-content:center;
gap:20px;
flex-wrap:wrap;
}

/* ============================
BOTONES
============================ */

.btn-primary{
background:#38bdf8;
color:white;
padding:14px 28px;
border-radius:10px;
font-weight:600;
}

.btn-primary:hover{
background:#0ea5e9;
transform:translateY(-4px);
}

.btn-secondary{
border:2px solid #38bdf8;
color:#38bdf8;
padding:12px 26px;
border-radius:10px;
font-weight:600;
}

.btn-secondary:hover{
background:#38bdf8;
color:white;
}

.btn-dark{
background:#0d1b2a;
color:white;
padding:14px 28px;
border-radius:10px;
display:inline-block;
}

/* ============================
FEATURES
============================ */

.features{
margin-top:100px;
text-align:center;
}

.features h2{
font-size:30px;
margin-bottom:50px;
}

.features-grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:30px;
}

.feature-card{
background:white;
padding:35px 25px;
border-radius:16px;
box-shadow:0 15px 30px rgba(0,0,0,.08);
transition:.25s;
}

.feature-card:hover{
transform:translateY(-8px);
}

.feature-card p{
color:#475569;
margin-bottom:15px;
}

/* ============================
NEWS / REVIEWS
============================ */

.news-grid,
.review-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:30px;
}

.news-card,
.review-card{
background:white;
border-radius:16px;
box-shadow:0 10px 25px rgba(0,0,0,.08);
overflow:hidden;
}

.news-card img,
.review-card img{
width:100%;
height:200px;
object-fit:cover;
}

.news-content,
.review-content{
padding:20px;
}

.btn-news{
background:#38bdf8;
color:white;
padding:10px 18px;
border-radius:8px;
font-size:14px;
}

/* ============================
ARTÍCULO
============================ */

.article-container{
max-width:750px;
margin:auto;
padding:40px 20px;
}

.article-container h1{
font-size:34px;
margin-bottom:15px;
}

.article-meta{
color:#64748b;
font-size:14px;
margin-bottom:25px;
}

.article-container p{
margin-bottom:18px;
font-size:17px;
}

/* ============================
MERCADOS
============================ */

.markets{
margin-top:100px;
}

.market-grid{
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
}

.market-card{
background:white;
padding:20px;
border-radius:12px;
box-shadow:0 8px 25px rgba(0,0,0,.08);
}

.market-card h3{
text-align:center;
margin-bottom:15px;
}

/* ============================
CTA
============================ */

.cta-section{
margin-top:110px;
text-align:center;
}

.cta-section p{
max-width:650px;
margin:auto;
margin-bottom:30px;
color:#475569;
}

/* ============================
FOOTER
============================ */

footer{
margin-top:100px;
padding:30px;
background:#0d1b2a;
color:#94a3b8;
text-align:center;
}

/* ============================
RESPONSIVE
============================ */

@media(max-width:900px){

.features-grid{
grid-template-columns:repeat(2,1fr);
}

.market-grid{
grid-template-columns:1fr;
}

.hero h1{
font-size:36px;
}

}

@media(max-width:600px){

nav{
flex-direction:column;
gap:15px;
}

nav ul{
flex-direction:column;
gap:12px;
text-align:center;
}

.features-grid{
grid-template-columns:1fr;
}

.hero{
padding:60px 20px;
}

.hero h1{
font-size:28px;
}

.hero-buttons{
flex-direction:column;
}
.review-content p{
margin-bottom:20px;
}

.btn-news{
display:inline-block;
margin-top:10px;
}
}