/* ==========================================================================
   Stratos Key Group - Landing page
   ========================================================================== */

:root{
  --navy-deep:#08203c;
  --navy:#0d2b52;
  --navy-mid:#123a68;
  --blue:#1b4f8f;
  --blue-bright:#2f6ba8;
  --blue-soft:#7fb2e6;
  --gray-bg:#eef1f5;
  --gray-line:#d8dfe8;
  --text:#1e2a38;
  --text-soft:#5a6b7d;
  --white:#fff;
  --wrap:1080px;
  --radius:6px;
  --shadow:0 2px 10px rgba(10,32,60,.08);
  --shadow-lg:0 6px 24px rgba(10,32,60,.12);
}

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

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:"Segoe UI",Roboto,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.55;
}

img,svg{max-width:100%;display:block}

a{color:var(--blue)}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--white);color:var(--navy);padding:12px 18px;font-weight:700;
}
.skip-link:focus{left:8px;top:8px}

/* Visible focus for keyboard users (accessibility) */
a:focus-visible,button:focus-visible{
  outline:3px solid #ffb703;
  outline-offset:3px;
}

/* ============================ HEADER ============================ */
.site-header{background:var(--navy);padding:18px 0 14px}
.logo-wrap{display:flex;justify-content:center}
.logo{display:inline-flex;align-items:center;gap:12px}
.logo-mark{width:40px;height:40px;flex:0 0 40px}
.logo-text{display:flex;flex-direction:column;line-height:1.05;color:var(--white)}
.logo-text strong{font-size:1.35rem;letter-spacing:.16em;font-weight:700}
.logo-text em{font-style:normal;font-size:.9rem;letter-spacing:.05em;opacity:.85}

/* ============================= HERO ============================= */
.hero{
  position:relative;
  background:
    radial-gradient(circle at 78% 22%, rgba(63,127,196,.35), transparent 55%),
    linear-gradient(135deg,#0d2b52 0%,#123a68 45%,#0a2440 100%);
  color:var(--white);
  padding:52px 0 60px;
  overflow:hidden;
}
/* subtle texture */
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.5;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;
}
.hero-copy h1{margin:0 0 18px;line-height:1.02}
.h1-strong,.h1-light{display:block}
.h1-strong{font-size:clamp(2rem,5vw,3.1rem);font-weight:800;letter-spacing:.01em}
.h1-light{font-size:clamp(1.4rem,3.4vw,2.15rem);font-weight:300;opacity:.95}

.badge{
  display:inline-block;margin:0 0 22px;
  background:rgba(255,255,255,.12);
  border-left:4px solid var(--blue-soft);
  padding:8px 16px;font-size:.86rem;font-weight:700;letter-spacing:.09em;
}

.hero-list{margin:0 0 28px;padding:0;list-style:none}
.hero-list li{position:relative;padding-left:20px;margin-bottom:9px;font-size:.97rem;opacity:.94}
.hero-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:6px;height:6px;background:var(--white);border-radius:1px;
}

.hero-art{display:flex;justify-content:center;align-items:center}
.art-svg{width:100%;max-width:340px;filter:drop-shadow(0 10px 24px rgba(0,0,0,.35))}

/* ============================ BUTTONS =========================== */
.btn{
  display:inline-block;text-decoration:none;font-weight:700;
  letter-spacing:.07em;font-size:.87rem;
  padding:14px 30px;border-radius:3px;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--blue);color:var(--white);box-shadow:0 3px 12px rgba(0,0,0,.28)}
.btn-primary:hover{background:#2564a8;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-center{display:block;width:max-content;margin:24px auto 0}

/* =========================== SERVICES =========================== */
.services{background:var(--gray-bg);padding:44px 0}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

.card{
  background:var(--white);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card-head{
  margin:0;background:var(--navy);color:var(--white);
  font-size:1rem;font-weight:700;letter-spacing:.08em;
  text-align:center;padding:13px 10px;
}
.card-visual{background:var(--navy-mid);line-height:0}
.card-visual svg{width:100%;height:auto}
.card-list{margin:0;padding:20px 22px 24px;list-style:none;flex:1}
.card-list li{position:relative;padding-left:16px;margin-bottom:9px;font-size:.93rem;color:var(--text)}
.card-list li:last-child{margin-bottom:0}
.card-list li::before{
  content:"";position:absolute;left:0;top:.6em;
  width:5px;height:5px;background:var(--navy-mid);border-radius:50%;
}

/* ========================== WHY CHOOSE US ======================= */
.why{padding:50px 0 56px;background:var(--white)}
.section-title{
  margin:0;text-align:center;color:var(--navy);
  font-size:clamp(1.3rem,3vw,1.6rem);font-weight:800;letter-spacing:.06em;
}
.section-sub{
  margin:6px 0 0;text-align:center;color:var(--text-soft);
  font-style:italic;font-weight:600;font-size:1rem;
}
.features{margin-top:34px}
.feature{
  background:#f6f8fa;border:1px solid var(--gray-line);border-radius:var(--radius);
  padding:26px 20px 24px;text-align:center;
}
.shield{width:52px;height:52px;margin:0 auto 12px}
.feature h3{margin:0 0 6px;color:var(--blue);font-size:1.02rem;font-weight:700}
.feature p{margin:0;color:var(--text-soft);font-size:.9rem}

/* ============================= QUOTE ============================ */
.quote{background:var(--gray-bg);padding:46px 0 50px;border-top:1px solid var(--gray-line)}
.quote-text{margin:14px 0 0;text-align:center;color:var(--text-soft);font-size:.95rem}

/* ============================ CONTACT =========================== */
.contact{background:var(--white);padding:34px 0 38px;text-align:center}
.contact-email{margin:0 0 6px;font-size:1.12rem;font-weight:700}
.contact-email a{color:var(--blue);text-decoration:none}
.contact-email a:hover{text-decoration:underline}
.contact-address{margin:0 0 6px;font-size:1rem;color:var(--navy)}
.contact-address a{color:var(--navy);text-decoration:none}
.contact-address a:hover{text-decoration:underline}
.contact-phone{margin:0;font-size:1.02rem;font-weight:700;color:var(--navy)}
.contact-phone a{color:var(--navy);text-decoration:none}
.contact-phone a:hover{text-decoration:underline}

/* ============================= FOOTER =========================== */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.82);padding:20px 0 16px}
.footer-row{
  display:flex;align-items:center;justify-content:center;gap:18px;
  flex-wrap:wrap;font-size:.8rem;
}
.footer-item{display:inline-flex;align-items:center;gap:7px}
.footer-item svg{width:14px;height:14px;flex:0 0 14px}
.footer-sep{width:1px;height:14px;background:rgba(255,255,255,.28)}
.footer-legal{margin-top:12px;text-align:center}
.footer-legal p{margin:0;font-size:.74rem;color:rgba(255,255,255,.5)}

/* ============================ RESPONSIVE ======================== */
@media (max-width:900px){
  .cards-3{grid-template-columns:1fr 1fr}
  .cards-3 .card:last-child{grid-column:1 / -1}
  .features .feature:last-child{grid-column:1 / -1}
}

@media (max-width:760px){
  .hero{padding:38px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-art{order:-1}
  .art-svg{max-width:270px}
  .btn{display:block;text-align:center}
}

@media (max-width:600px){
  .cards-3{grid-template-columns:1fr}
  .cards-3 .card:last-child,.features .feature:last-child{grid-column:auto}
  .contact-address,.contact-phone{font-size:.95rem}
}

/* ============================ MOTION ============================ */
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card:hover,.btn-primary:hover{transform:none}
}

/* ============================= PRINT ============================ */
@media print{
  .hero{background:var(--navy)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .btn{display:none}
}