/*
Theme Name: EVVA Style Landing
Theme URI: https://www.evva.com.vn
Author: NKX Lock
Description: EVVA-style high security landing page
Version: 1.0
*/

:root {
  --black:#0d0d0d;
  --dark:#1a1a1a;
  --red:#b30000;
  --gray:#666;
  --light:#f5f5f5;
}

body {
  margin:0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color:#111;
}

header {
  position:fixed;
  top:0;
  width:100%;
  background:#000;
  z-index:1000;
}

.header-inner {
  max-width:1400px;
  margin:auto;
  padding:18px 40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

nav a {
  color:#fff;
  margin-left:28px;
  text-decoration:none;
  font-size:14px;
  text-transform:uppercase;
}

.hero {
  height:90vh;
  background:linear-gradient(to right,#000,#222);
  color:#fff;
  display:flex;
  align-items:center;
  padding-top:80px;
}

.hero-inner {
  max-width:1400px;
  padding:0 40px;
}

.hero h1 {
  font-size:52px;
  max-width:720px;
}

.hero p {
  max-width:620px;
  font-size:18px;
  color:#ddd;
}

.btn {
  display:inline-block;
  padding:14px 34px;
  background:var(--red);
  color:#fff;
  text-decoration:none;
  font-weight:600;
}

section {
  padding:100px 40px;
}

.container {
  max-width:1400px;
  margin:auto;
}

.grid-3 {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:40px;
}

.card {
  border:1px solid #ddd;
  padding:40px;
}

.cta {
  background:#111;
  color:#fff;
  text-align:center;
}
/* ================= MOBILE EVVA STYLE ================= */
@media (max-width: 768px) {

  /* HEADER */
  .header-inner {
    padding: 14px 20px;
  }

  nav {
    display: none; /* EVVA mobile = clean, không menu phức tạp */
  }

  /* HERO */
  .hero {
    height: auto;
    padding: 120px 0 80px;
  }

  .hero-inner {
    padding: 0 20px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.2;
    margin-bottom: 16px;
  }

  .hero p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 28px;
  }

  .btn {
    padding: 14px 28px;
    font-size: 14px;
  }

  /* SECTIONS */
  section {
    padding: 70px 20px;
  }

  h2 {
    font-size: 28px;
    margin-bottom: 30px;
  }

  /* GRID → STACK */
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .card {
    padding: 28px;
  }

  .card h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }

  .card p {
    font-size: 15px;
    line-height: 1.5;
  }

  /* CTA */
  .cta h2 {
    font-size: 30px;
  }

  .cta p {
    font-size: 15px;
    margin: 16px auto 30px;
  }

  /* FOOTER */
  footer {
    font-size: 13px;
    padding: 30px 20px;
  }
}
@media (max-width:768px){
  .cta {
    padding-bottom: 120px;
  }
}