:root{
  --navy:#071a35;
  --navy-2:#0b2447;
  --blue:#0b74d1;
  --blue-2:#1287e6;
  --teal:#20b8b3;
  --ink:#13233a;
  --muted:#5f7087;
  --bg:#f6f9fc;
  --card:#ffffff;
  --line:#dce6f2;
  --amber:#f7b731;
  --green:#21b573;
  --red:#e64c4c;
  --shadow:0 20px 60px rgba(6,26,53,.16);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,92vw);margin:0 auto}
.notice{background:#dce8ff;color:#0c2751;text-align:center;font-weight:700;font-size:14px;padding:10px 16px}
.header{position:sticky;top:0;z-index:50;background:rgba(7,26,53,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:12px;min-width:0}
.logo img{height:46px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px;color:#dbeafe;font-weight:700;font-size:15px}
.nav-links a:hover{color:#fff}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:12px;border:1px solid transparent;padding:13px 18px;font-weight:800;cursor:pointer;transition:.18s ease;font-size:15px;line-height:1.1}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;box-shadow:0 12px 28px rgba(11,116,209,.28)}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 18px 36px rgba(11,116,209,.34)}
.btn.secondary{background:#fff;color:#0c2751;border-color:#d7e3f2}
.btn.secondary:hover{border-color:var(--blue);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:#eaf4ff;border-color:rgba(255,255,255,.35)}
.btn.ghost:hover{background:rgba(255,255,255,.08)}
.mobile-toggle{display:none;background:transparent;color:#fff;border:0;font-size:28px}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 20% 10%,rgba(18,135,230,.35),transparent 28%),linear-gradient(135deg,#061831 0%,#082654 60%,#05152e 100%);color:#fff;padding:86px 0 76px}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 92%)}
.hero:after{content:"";position:absolute;inset:auto -10% -35% -10%;height:360px;background:radial-gradient(circle,rgba(32,184,179,.22),transparent 65%)}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:46px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#a8dcff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 12px;font-weight:800;font-size:13px;margin-bottom:18px}
h1{font-size:clamp(42px,5.6vw,72px);line-height:1.02;margin:0 0 20px;letter-spacing:-.045em}
.hero p{font-size:20px;color:#d5e9ff;max-width:640px;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px;color:#bcd7ef;font-size:14px;font-weight:700}
.trust-row span{display:flex;gap:8px;align-items:center}.trust-row span:before{content:"✓";color:var(--teal);font-weight:900}
.checker-card{background:rgba(4,16,37,.76);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.checker-card h2{font-size:28px;margin:0 0 8px}.checker-card p{font-size:15px;color:#b9d0e8;margin:0 0 20px}
.checker-form{display:flex;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:8px}
.checker-form input{flex:1;min-width:0;background:transparent;border:0;color:#fff;font-size:16px;padding:12px;outline:0}.checker-form input::placeholder{color:#9db4cc}
.result{margin-top:22px;display:none}.result.show{display:block}
.risk-box{border:2px solid var(--amber);border-radius:14px;padding:16px;margin-bottom:18px;background:rgba(247,183,49,.08)}
.risk-box.low{border-color:var(--green);background:rgba(33,181,115,.08)}.risk-box.high{border-color:var(--red);background:rgba(230,76,76,.08)}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0}.mini-status{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);border-radius:15px;padding:16px;min-height:122px}.mini-status b{display:block;font-size:20px}.dots{display:flex;gap:7px;margin-bottom:10px}.dot{width:12px;height:12px;border-radius:50%;background:#8291a7}.dot.good{background:var(--green)}.dot.warn{background:var(--amber)}.dot.bad{background:var(--red)}
.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.section{padding:86px 0}.section.alt{background:var(--bg)}.section-head{max-width:760px;margin:0 auto 44px;text-align:center}.section-head h2{font-size:clamp(32px,4vw,48px);line-height:1.1;margin:0 0 14px;letter-spacing:-.03em}.section-head p{color:var(--muted);font-size:18px;margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 30px rgba(8,36,71,.06)}.card h3{font-size:23px;margin:0 0 10px}.card p,.card li{color:var(--muted)}.card ul{padding-left:18px;margin:16px 0 0}.icon{height:48px;width:48px;border-radius:14px;background:linear-gradient(135deg,rgba(11,116,209,.12),rgba(32,184,179,.15));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.problem{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.problem-box{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow)}.problem-box h3{font-size:30px;margin:0 0 18px}.problem-box p{color:#c8d9eb}.check-list{display:grid;gap:14px}.check-list div{display:flex;gap:12px;align-items:flex-start}.check-list div:before{content:"✓";background:rgba(32,184,179,.16);color:var(--teal);height:26px;width:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;font-weight:900;flex:0 0 26px}
.cta{background:linear-gradient(135deg,#061831,#0b3c78);color:#fff;border-radius:32px;padding:44px;display:flex;justify-content:space-between;gap:30px;align-items:center}.cta h2{margin:0 0 8px;font-size:34px}.cta p{margin:0;color:#cee4fb;max-width:650px}.footer{background:#061831;color:#c6d7ea;padding:44px 0}.footer-grid{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}.footer img{height:52px;width:auto}.footer a{color:#eaf4ff}.footer small{color:#8fa7c2}.page-hero{background:linear-gradient(135deg,#061831,#0b3c78);color:#fff;padding:74px 0}.page-hero h1{font-size:clamp(38px,5vw,58px)}.page-hero p{font-size:19px;color:#d2e7ff;max-width:760px}.contact-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px}.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 30px rgba(8,36,71,.06)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px;margin-bottom:14px}.field label{font-weight:800;font-size:14px}.field input,.field select,.field textarea{border:1px solid #cfdbea;border-radius:12px;padding:13px 14px;font:inherit;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(11,116,209,.12)}.field.full{grid-column:1/-1}.legal{max-width:850px}.legal h2{margin-top:34px}.muted{color:var(--muted)}
@media (max-width:900px){.hero .container,.problem,.contact-wrap,.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}.nav-links{display:none}.mobile-toggle{display:block}.nav.open .nav-links{display:flex;position:absolute;left:0;right:0;top:76px;background:#061831;flex-direction:column;align-items:flex-start;padding:22px 4vw;border-top:1px solid rgba(255,255,255,.1)}.checker-form{flex-direction:column}.result-grid{grid-template-columns:1fr}.cta{flex-direction:column;align-items:flex-start}.hero{padding-top:58px}.logo img{height:39px}.nav-actions .btn{display:none}}


/* v2 polish: lighter homepage, better logos, static DNS checker */
.notice{background:#eaf3ff;color:#0b2a52;border-bottom:1px solid #d8e8fb}
.header{background:rgba(255,255,255,.96);border-bottom:1px solid #e2ebf5;box-shadow:0 8px 28px rgba(8,36,71,.06)}
.nav{height:78px}
.logo img{display:none}.logo:before{content:"";display:block;width:44px;height:44px;background:url('/assets/logo-shield.png') center/contain no-repeat}.logo:after{content:"SpoofDefence";font-size:22px;font-weight:900;letter-spacing:-.04em;color:#071a35}.logo:hover:after{color:#0b74d1}
.nav-links{color:#1f3655}.nav-links a:hover{color:#0b74d1}.nav-actions .btn.secondary{background:#071a35;color:#fff;border-color:#071a35}.mobile-toggle{color:#071a35}.btn.ghost{color:#0c2751;border-color:#c9d8eb;background:rgba(255,255,255,.75)}.btn.ghost:hover{background:#fff;border-color:#0b74d1}.btn.ghost-dark{background:#fff;color:#0c2751;border-color:#cfdbea}.btn.ghost-dark:hover{border-color:#0b74d1;transform:translateY(-1px)}
.hero{background:linear-gradient(135deg,#f8fbff 0%,#eef6ff 54%,#e6f7f5 100%);color:#071a35;padding:84px 0 78px}.hero:before{background:linear-gradient(90deg,rgba(7,26,53,.045) 1px,transparent 1px),linear-gradient(rgba(7,26,53,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 92%)}.hero:after{background:radial-gradient(circle,rgba(32,184,179,.18),transparent 65%)}
.eyebrow{color:#09626c;background:#e9fbfb;border-color:#bdeeed}.hero p{color:#334b67}.trust-row{color:#48627d}.checker-card{background:rgba(255,255,255,.86);border:1px solid #d7e5f4;color:#071a35;box-shadow:0 22px 60px rgba(8,36,71,.13)}.checker-card p{color:#52677f}.checker-form{background:#f4f8fd;border:1px solid #cfddea}.checker-form input{color:#071a35}.checker-form input::placeholder{color:#7589a0}.result .risk-box p{color:#263d58!important}.mini-status{background:#fff;border:1px solid #dde8f4}.mini-status p{color:#5f7087}.result-next{color:#263d58;margin:10px 0 0}.result-note{color:#687d93;font-size:13px;margin-top:10px}.checking-text{color:#263d58!important}.page-hero{background:linear-gradient(135deg,#f8fbff 0%,#eef6ff 60%,#e6f7f5 100%);color:#071a35}.page-hero p{color:#47627e}.footer img{display:none}.footer .footer-grid > div:first-child:before{content:"SpoofDefence";display:block;font-size:24px;font-weight:900;color:#fff;margin-bottom:8px}.footer{background:#071a35}.form .phone-field{display:none!important}
@media (max-width:900px){.nav.open .nav-links{background:#fff;border-top:1px solid #e2ebf5}.logo:after{font-size:19px}.logo:before{width:38px;height:38px}}

/* v3 spacing + mobile form fixes */
html, body { max-width: 100%; overflow-x: hidden; }
.hero { padding: 48px 0 62px; }
.page-hero { padding: 44px 0; }
.section { padding: 62px 0; }
.section-head { margin-bottom: 32px; }
.nav { height: 72px; }
.notice { padding: 8px 14px; }

/* Reduce big top whitespace on inner pages too */
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { margin-top: 0; }

/* Safer mobile layout */
@media (max-width: 900px) {
  .hero { padding: 38px 0 52px; }
  .page-hero { padding: 34px 0; }
  .section { padding: 48px 0; }
  .nav { height: 66px; }
  .nav.open .nav-links { top: 66px; }
  .checker-card { padding: 22px; }
  .contact-wrap { gap: 22px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 32px, 1120px); }
  .notice { font-size: 12px; line-height: 1.35; }
  h1 { font-size: clamp(38px, 11vw, 48px); line-height: 1.04; }
  .hero p, .page-hero p { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn, .checker-form .btn, .form .btn { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .form { padding: 20px; border-radius: 18px; }
  .field input, .field select, .field textarea { width: 100%; max-width: 100%; font-size: 16px; }
  .checker-card h2 { font-size: 24px; }
  .checker-form input { font-size: 16px; }
  .logo:after { font-size: 18px; }
  .logo:before { width: 34px; height: 34px; }
  .cta { padding: 28px; border-radius: 24px; }
  .card { padding: 22px; }
}

/* v4 tighter spacing, sticky navigation, mobile contact form fix */
.header{position:sticky!important;top:0!important;z-index:999!important;}
.hero{padding:34px 0 58px!important;}
.page-hero{padding:30px 0 36px!important;}
.section{padding:54px 0!important;}
.section-head{margin-bottom:26px!important;}

/* Make contact and all forms mobile-friendly earlier, including phones that render a wider viewport */
@media (max-width: 900px){
  .container{width:min(100% - 28px,1120px)!important;}
  .hero{padding:24px 0 44px!important;}
  .page-hero{padding:24px 0 30px!important;}
  .section{padding:40px 0!important;}
  .form-grid{grid-template-columns:1fr!important;}
  .field,.field.full{grid-column:1/-1!important;min-width:0!important;}
  .form{width:100%!important;max-width:100%!important;overflow:hidden!important;padding:20px!important;}
  .field input,.field select,.field textarea{width:100%!important;max-width:100%!important;min-width:0!important;font-size:16px!important;}
  .contact-wrap{grid-template-columns:1fr!important;gap:20px!important;}
}

@media (max-width: 640px){
  .notice{font-size:12px!important;padding:7px 12px!important;}
  .nav{height:64px!important;}
  .nav.open .nav-links{top:64px!important;}
  .hero{padding:20px 0 38px!important;}
  .page-hero{padding:22px 0 28px!important;}
  .eyebrow{margin-bottom:14px!important;font-size:12px!important;padding:7px 10px!important;}
  h1{font-size:clamp(34px,10vw,44px)!important;}
  .hero p,.page-hero p{font-size:16px!important;line-height:1.5!important;}
  .checker-card{padding:18px!important;}
  .trust-row{margin-top:18px!important;}
}

/* v5 sticky full top bar */
.sticky-top{
  position: sticky;
  top: 0;
  z-index: 3000;
}
.sticky-top .header{
  position: relative !important;
  top: auto !important;
  z-index: auto !important;
}
.sticky-top .notice{
  position: relative;
  z-index: 1;
}

/* v6 hide-on-scroll navigation and contact form update */
body.has-fixed-chrome{
  padding-top: var(--chrome-height, 78px);
}
.site-chrome{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5000;
  transform: translateY(0);
  transition: transform .24s ease, box-shadow .2s ease;
  will-change: transform;
}
.site-chrome.nav-hidden{
  transform: translateY(-110%);
}
.site-chrome.nav-visible{
  box-shadow: 0 10px 28px rgba(8,36,71,.10);
}
.site-chrome .header{
  position: relative !important;
  top: auto !important;
  z-index: auto !important;
}
/* disable older sticky wrapper rule */
.sticky-top{position: static !important;}

@media (max-width: 900px){
  .site-chrome .nav.open .nav-links{
    top: 64px !important;
  }
}