:root{
  --max:1240px;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 18px 50px rgba(0,0,0,.20);
  --transition:.22s ease;
}

html[data-theme="dark"]{
  --bg:#08111d;
  --panel:#13223a;
  --panel-soft:#182b46;
  --panel-2:#101b2c;
  --line:rgba(255,255,255,.12);
  --text:#edf4ff;
  --text-soft:#d8e3f0;
  --muted:#a9bad0;
  --accent:#67b7ff;
  --accent-2:#2f8fe5;
  --button-text:#ffffff;
  --field-bg:#0d1829;
  --footer-bg:#09111d;
}

html[data-theme="light"]{
  --bg:#eef4fa;
  --panel:#ffffff;
  --panel-soft:#f7fbff;
  --panel-2:#edf4fb;
  --line:rgba(8,22,40,.10);
  --text:#122235;
  --text-soft:#22384f;
  --muted:#58708a;
  --accent:#1e77d0;
  --accent-2:#0f5ea8;
  --button-text:#ffffff;
  --field-bg:#ffffff;
  --footer-bg:#dde8f3;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  background:
    radial-gradient(circle at top, rgba(103,183,255,.08), transparent 28%),
    var(--bg);
  transition:background var(--transition), color var(--transition);
}

img{
  display:block;
  max-width:100%;
  height:auto;
}

.wrap,
.container{
  width:min(calc(100% - 32px), var(--max));
  margin:0 auto;
}

a{
  color:var(--accent);
  text-decoration:none;
  transition:color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition);
}

a:hover{
  color:var(--accent-2);
}

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:var(--panel);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.12);
}

.header-wrap{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--text);
}

.brand:hover{
  color:var(--text);
}

.brand-mark{
  width:52px;
  height:52px;
  border-radius:14px;
  display:grid;
  place-items:center;
  font-weight:700;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:#fff;
  box-shadow:0 10px 24px rgba(47,143,229,.22);
}

.brand-copy{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}

.brand-copy strong{
  font-size:22px;
}

.brand-copy span{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--muted);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}

.theme-toggle,
.nav-toggle{
  min-height:46px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  border-radius:12px;
  cursor:pointer;
  transition:background var(--transition), border-color var(--transition), transform var(--transition);
}

.theme-toggle:hover,
.nav-toggle:hover{
  background:var(--panel-soft);
  transform:translateY(-1px);
}

.theme-toggle{
  padding:0 14px;
  font-weight:700;
}

.nav-toggle{
  display:none;
  width:46px;
}

.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--text);
  margin:5px auto;
}

.site-nav{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}

.site-nav a{
  color:var(--text);
  padding:10px 14px;
  border-radius:999px;
  font-size:14px;
  font-weight:700;
}

.site-nav a:hover,
.site-nav a.active{
  background:rgba(103,183,255,.12);
  color:var(--text);
}

.site-main{
  padding-bottom:48px;
}

.hero{
  padding:48px 0 24px;
}

.hero-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:42px;
  box-shadow:var(--shadow);
}

.hero-copy{
  max-width:1000px;
}

.eyebrow{
  margin:0 0 10px;
  font-size:12px;
  line-height:1.4;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:700;
}

.hero h1,
.page-intro h1,
h1{
  margin:0 0 14px;
  font-size:40px;
  line-height:1.18;
  text-align:left;
  color:var(--text);
}

.hero-text,
.hero p{
  margin:0;
  font-size:18px;
  color:var(--text-soft);
}

.hero-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-top:24px;
}

.hero-media{
  margin-top:28px;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--panel-2);
}

.hero-media img{
  display:block;
  width:100%;
  height:auto;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 18px;
  border-radius:999px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover{
  transform:translateY(-1px);
}

.btn-primary{
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:var(--button-text);
  box-shadow:0 12px 24px rgba(47,143,229,.20);
}

.btn-primary:hover{
  color:var(--button-text);
}

.btn-secondary{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text);
}

.btn-secondary:hover{
  color:var(--text);
  background:var(--panel-soft);
}

.page-intro{
  padding:36px 0 16px;
}

.page-shell,
.content-section{
  padding:0 0 48px;
}

.content-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:24px;
  align-items:start;
}

.main-column{
  min-width:0;
}

.main-panel,
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow);
  margin-bottom:24px;
}

.panel:last-child,
.main-panel:last-child{
  margin-bottom:0;
}

.panel-lg{
  padding:34px;
}

.sidebar{
  min-width:0;
}

.sidebar-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
  margin-bottom:24px;
}

.sidebar-panel:last-child{
  margin-bottom:0;
}

.sidebar-image,
.sidebar-image-panel{
  overflow:hidden;
}

.sidebar-image{
  margin-top:18px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--panel-2);
}

.sidebar-image-panel img,
.sidebar-image img{
  display:block;
  width:100%;
  height:auto;
  border-radius:14px;
}

.section-title,
.panel h2,
.sidebar-panel h2{
  margin:0 0 10px;
  font-size:30px;
  line-height:1.2;
  text-align:left;
}

.panel h3,
.sidebar-panel h3,
.tile h3,
.feature-card h3,
.mini-panel h3{
  margin:0 0 10px;
  font-size:22px;
  line-height:1.25;
}

.section-copy{
  margin:0 0 26px;
  font-size:16px;
  color:var(--text-soft);
}

.panel p,
.sidebar-panel p,
.tile p,
.feature-card p,
.mini-panel p,
li{
  color:var(--text-soft);
}

.tile-grid,
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}

.tile,
.feature-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}

.tile-media{
  border-bottom:1px solid var(--line);
  background:var(--panel-2);
}

.tile-media img,
.feature-card > img{
  display:block;
  width:100%;
  height:220px;
  object-fit:cover;
  background:var(--panel-2);
}

.tile-content{
  padding:28px 32px;
}

.tile-content p{
  margin:0;
  font-size:15px;
  line-height:1.6;
}

.text-only{
  padding:28px 30px;
}

.text-only .tile-content{
  padding:0;
}

.icon-list-grid,
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}

.mini-panel{
  background:var(--panel-soft);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
}

.mini-panel p{
  margin:0;
}

.check-item{
  background:var(--panel-soft);
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
  font-weight:700;
  color:var(--text);
}

.sidebar-list{
  margin:0;
  padding-left:22px;
}

.sidebar-list li{
  margin:0 0 8px;
}

.sidebar-list li:last-child{
  margin-bottom:0;
}

.sidebar-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.sidebar-links a{
  font-weight:700;
}

.notice{
  padding:16px 18px;
  margin-bottom:18px;
  border-radius:12px;
  border:1px solid var(--line);
}

.notice.success{
  background:rgba(46,196,141,.12);
  border-color:rgba(46,196,141,.32);
}

.notice.error{
  background:rgba(255,107,107,.12);
  border-color:rgba(255,107,107,.32);
}

.form-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
}

.form-grid,
.contact-form .form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}

.form-row,
.form-group{
  display:flex;
  flex-direction:column;
  gap:8px;
  min-width:0;
}

.form-row.full,
.form-group-full{
  grid-column:1/-1;
}

label{
  font-weight:700;
  color:var(--text);
}

input,
select,
textarea{
  width:100%;
  border:1px solid var(--line);
  background:var(--field-bg);
  color:var(--text);
  border-radius:12px;
  padding:14px;
  font:inherit;
  outline:none;
  transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

input:focus,
select:focus,
textarea:focus{
  border-color:rgba(103,183,255,.50);
  box-shadow:0 0 0 3px rgba(103,183,255,.12);
}

textarea{
  min-height:180px;
  resize:vertical;
}

.form-actions{
  margin-top:20px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}

.form-note{
  color:var(--muted);
  font-size:14px;
}

.hp-field{
  position:absolute !important;
  left:-9999px !important;
  top:auto !important;
  width:1px !important;
  height:1px !important;
  overflow:hidden !important;
  opacity:0 !important;
  pointer-events:none !important;
}

.site-footer{
  border-top:1px solid var(--line);
  background:var(--footer-bg);
  margin-top:34px;
}

.footer-wrap{
  padding:28px 0 18px;
  display:flex;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

.footer-right{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.footer-bottom{
  padding:0 0 28px;
  color:var(--muted);
  font-size:14px;
}

.footer-bottom p,
.footer-wrap p{
  margin:0;
}

@media (max-width:1100px){
  .content-grid{
    grid-template-columns:minmax(0,1fr) 280px;
  }

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

@media (max-width:900px){
  .nav-toggle{
    display:inline-block;
  }

  .site-nav{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    padding:8px 0 2px;
  }

  .site-nav.open{
    display:flex;
  }

  .site-nav a{
    width:100%;
    text-align:left;
    border-radius:12px;
  }

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

  .tile-grid,
  .feature-grid,
  .icon-list-grid,
  .check-grid,
  .form-grid,
  .contact-form .form-grid{
    grid-template-columns:1fr;
  }

  .hero-panel,
  .panel,
  .main-panel,
  .sidebar-panel,
  .form-panel{
    padding:24px;
  }

  .tile-media img,
  .feature-card > img{
    height:auto;
  }

  .hero h1,
  .page-intro h1,
  h1{
    font-size:30px;
  }

  .hero-text,
  .hero p{
    font-size:17px;
  }

  .header-wrap{
    align-items:flex-start;
  }

  .header-actions{
    margin-left:0;
  }
}

@media (max-width:640px){
  .wrap,
  .container{
    width:min(calc(100% - 20px), var(--max));
  }

  .hero{
    padding:28px 0 18px;
  }

  .hero-panel,
  .panel,
  .main-panel,
  .sidebar-panel,
  .form-panel{
    padding:20px;
    border-radius:16px;
  }

  .tile-content,
  .text-only{
    padding:20px;
  }

  .brand-copy strong{
    font-size:20px;
  }

  .brand-copy span{
    letter-spacing:.08em;
  }

  .btn{
    width:100%;
  }

  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }

  .footer-right{
    width:100%;
  }
}