/* style.css
   Clean, modern theme tuned to a Japanese-market financial/news app.
   Colors: deep indigo + soft lavender highlights for trust & clarity.
*/

:root{
  --bg: #f1f3f8;           /* soft page background */
  --card: #0b1220;         /* deep dark for phone mock */
  --primary: #2b2560;      /* deep indigo */
  --accent: #6b5cff;       /* violet accent */
  --muted: #6d7586;
  --glass: rgba(255,255,255,0.85);
  --radius: 14px;
  --container: 1100px;
  --max-width: 1200px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg,#eef0f6 0%, #f6f8fb 100%);
  color:#0e1221;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
}

.container{max-width:var(--container);margin:0 auto;padding:22px;}

/* Header */
.app-header{
  position:sticky;top:0;left:0;right:0;z-index:60;
  backdrop-filter: blur(6px);
  background:linear-gradient(180deg, rgba(255,255,255,0.75), rgba(255,255,255,0.6));
  border-bottom: 1px solid rgba(29,32,43,0.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:white;font-weight:800;font-size:20px;box-shadow: 0 8px 30px rgba(26,22,60,0.12);overflow: hidden;
}
.logo img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* makes sure the image fills the div */
  display: block;
}
.app-name{font-weight:700;font-size:18px}
.app-name .red {
  color: red;
}
.app-name .blue {
  color: rgb(5, 5, 103);
}
.tag{font-size:12px;color:var(--muted)}

/* Desktop nav */
.nav-desktop{display:flex;align-items:center;gap:18px}
.nav-link{color:var(--muted);text-decoration:none;font-weight:600;padding:10px 8px;border-radius:8px;transition:all .22s}
.nav-link:hover{color:var(--primary);transform:translateY(-2px)}
.cta{background:linear-gradient(90deg,var(--accent),var(--primary));color:white;padding:10px 14px;border-radius:12px}
.lang-btn{background:transparent;border:1px solid rgba(16,18,30,0.06);padding:8px 10px;border-radius:8px;cursor:pointer}
.lang-btn:hover{transform:translateY(-2px)}
/* new wrapper for nav + lang button */
.nav-group {
  display:flex;
  align-items:center;
  gap:18px; /* spacing only between nav links and lang button */
}

/* Hamburger mobile */
/* .hamburger{display:none;border:0;background:transparent;cursor:pointer;padding:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--primary);margin:4px 0;border-radius:2px;transition:all .18s} */

/* Mobile menu overlay */
/* .mobile-menu{position:fixed;inset:0;background:linear-gradient(180deg, rgba(12,14,26,0.92), rgba(12,14,26,0.98));color:white;display:none;z-index:100;padding:28px}
.mobile-menu-inner{max-width:480px;margin:40px auto}
.close-menu{background:transparent;border:0;color:white;font-size:32px;position:absolute;right:26px;top:22px}
.mobile-nav{display:flex;flex-direction:column;gap:18px;margin-top:12px}
.mobile-link{color:white;text-decoration:none;font-size:20px;font-weight:700}
.mobile-lang{margin-top:22px;display:flex;gap:12px;align-items:center} */

/* Sections */
.section{padding:64px 0}
.hero{padding-top:42px;padding-bottom:42px}
.hero-inner{display:grid;grid-template-columns:1fr 460px;gap:28px;align-items:center}
.hero-title{font-size:34px;margin:0 0 12px;color:var(--primary);line-height:1.02}
.hero-desc{color:var(--muted);margin:0 0 18px;font-size:16px}
.hero-actions{display:flex;gap:12px;align-items:center}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;text-decoration:none;font-weight:700;cursor:pointer;border:0}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--primary));color:white;box-shadow:0 12px 30px rgba(107,92,255,0.14)}
.btn.ghost{background:transparent;border:1px solid rgba(16,18,30,0.06);color:var(--primary)}
.btn.big{padding:16px 26px;font-size:18px;border-radius:30px}

/* Phone mock */
.phone-frame{width:320px;max-width:100%;border-radius:28px;overflow:hidden;border:10px solid #11131a;background:black;box-shadow:0 30px 60px rgba(18,22,36,0.2)}
.phone-frame img{width:100%;height:320px;display:block}

/* How to Use steps */
.section-title{font-size:26px;color:var(--primary);margin-bottom:20px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step-card{background:white;border-radius:14px;padding:18px;box-shadow:0 8px 30px rgba(25,28,44,0.06);min-height:120px;transition:transform .18s}
.step-card:hover{transform:translateY(-6px)}
.step-number{width:44px;height:44px;border-radius:10px;background:linear-gradient(90deg,var(--accent),var(--primary));display:flex;align-items:center;justify-content:center;color:white;font-weight:800;margin-bottom:10px}

/* Carousel */
.carousel{display:flex;align-items:center;gap:10px;position:relative}
.carousel-track-wrapper{overflow:hidden;border-radius:12px;flex:1}
.carousel-track{display:flex;gap:12px;margin:0;padding:12px;list-style:none;transition:transform .35s ease}
.carousel-slide{min-width:220px;flex:0 0 220px;background:white;border-radius:10px;padding:8px;box-shadow:0 10px 30px rgba(17,20,35,0.06)}
.carousel-slide img{width:100%;height:auto;border-radius:8px;display:block}
.carousel-btn{background:transparent;border:0;color:var(--primary);font-size:20px;padding:10px;cursor:pointer}
.carousel-btn:hover{transform:translateY(-4px)}

/* CTA section */
.download-cta{background:linear-gradient(180deg, rgba(43,37,96,0.04), rgba(107,92,255,0.02));border-radius:16px;padding:40px;margin:10px 0}
.cta-inner{text-align:center}
.cta-title{font-size:26px;color:var(--primary);margin:0 0 8px}
.cta-desc{color:var(--muted);margin:0 0 18px}

/* Footer */
.site-footer{padding:28px 0;border-top:1px solid rgba(16,18,30,0.04);text-align: center;}
.footer-inner{display:flex;align-items:center;flex-wrap:wrap;justify-content: center;}

/* small helpers */
.muted{color:var(--muted)}
.center{text-align:center}
.animate{opacity:0;transform:translateY(14px);transition:all .6s cubic-bezier(.1,.9,.2,1)}
.animate.in-view{opacity:1;transform:none}

/* Responsive */
@media (max-width:1100px){
  .hero-inner{grid-template-columns:1fr 360px}
}
@media (max-width:880px){
  .nav-desktop{display:none}
  /* .hamburger{display:block} */
  .hero-inner{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .carousel-slide{min-width:180px;flex:0 0 180px}
}
@media (max-width:520px){
  .steps-grid{grid-template-columns:1fr}
  .container{padding:16px}
  .hero-title{font-size:22px}
  .hero-desc{font-size:14px}
  .carousel-slide{min-width:150px;flex:0 0 150px}
  .phone-frame{width:260px}
  /* .mobile-menu{display:block}
  .mobile-menu[aria-hidden="true"]{display:none} */
}