:root{
  --primary:#1d4ed8;
  --primary-soft:#2563eb;
  --primary-dark:#0b1a3a;
  --accent:#1ea5f7;

  --bg-dark:#020617;
  --bg-light:#f9fafb;

  --text-main:#0f172a;
  --text-muted:#6b7280;

  --border:#e5e7eb;
  --card-bg:#ffffff;

  --radius:18px;
  --shadow:0 18px 40px rgba(15,23,42,.10);
  --shadow-strong:0 24px 60px rgba(15,23,42,.16);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{
  font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text-main);
  line-height:1.55;

  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.20), transparent 62%),
    radial-gradient(840px 520px at 92% 2%, rgba(30,165,247,.16), transparent 58%),
    radial-gradient(720px 520px at 50% 112%, rgba(2,6,23,.10), transparent 60%),
    linear-gradient(var(--bg-light), var(--bg-light));
}

[id]{scroll-margin-top:92px}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(15,23,42,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15,23,42,.045) 1px, transparent 1px);
  background-size:48px 48px;
  opacity:.35;
  mask-image:radial-gradient(circle at 50% 0%, rgba(0,0,0,.55), transparent 70%);
}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}

/* Layout */
.container{max-width:1120px;margin:0 auto;padding:0 1.25rem;position:relative}
main{position:relative}
.section{margin:2.75rem 0}
.section-subtitle{
  font-size:clamp(1.25rem, 1.1rem + 0.6vw, 1.6rem);
  margin-bottom:.6rem;
  letter-spacing:-.015em;
}
.section-lead{color:var(--text-muted);max-width:74ch;margin-bottom:1.2rem}

.lead{color:var(--text-muted);max-width:74ch;margin-bottom:1.2rem}

/* Header / Nav */
header{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(to right, #020617, #020617 40%, #0b1220);
  border-bottom:1px solid rgba(148,163,184,.35);
  backdrop-filter:blur(10px);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:.75rem 0;color:#e5e7eb
}
.nav-left{
  display:flex;align-items:center;gap:.85rem;
  min-width:250px;
}
.nav-left:hover .brand-title{opacity:1}
.logo-img{
  width:44px;height:44px;border-radius:14px;
  box-shadow:0 10px 24px rgba(2,6,23,.35);
  background:rgba(255,255,255,.06);
}
.brand-title{font-weight:700;letter-spacing:-.02em;opacity:.98}
.brand-subtitle{font-size:.85rem;color:#cbd5e1}
.nav-links{
  display:flex;gap:1.1rem;font-size:.93rem;color:#e5e7eb;
}
.nav-links a{
  position:relative;opacity:.9;transition:opacity .15s ease;
}
.nav-links a:hover{opacity:1}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:linear-gradient(90deg, rgba(37,99,235,.0), rgba(37,99,235,.9), rgba(30,165,247,.9), rgba(37,99,235,.0));
  transform:scaleX(0);
  transition:transform .18s ease;
}
.nav-links a:hover::after{transform:scaleX(1)}

/* Buttons */
button{font-family:inherit}
.btn-primary, .btn-outline{
  border-radius:14px;
  padding:.78rem 1rem;
  font-weight:650;
  letter-spacing:-.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
}
.btn-primary{
  background:linear-gradient(135deg, var(--primary-soft), #0ea5e9);
  color:#fff;
  box-shadow:0 14px 26px rgba(29,78,216,.22);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 34px rgba(29,78,216,.28)}
.btn-outline{
  background:rgba(255,255,255,.72);
  border-color:rgba(15,23,42,.14);
  color:var(--text-main);
  box-shadow:0 10px 24px rgba(15,23,42,.08);
}
.btn-outline:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(15,23,42,.12)}
.btn-primary:active, .btn-outline:active{transform:translateY(0)}
.btn-primary:disabled, .btn-outline:disabled{opacity:.6;cursor:default;transform:none}

/* Hero */
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:2.5rem;align-items:center;
  margin:2.3rem 0 3rem;
}
.hero-title{
  font-size:clamp(2.1rem, 1.6rem + 2vw, 3rem);
  line-height:1.06;
  letter-spacing:-.04em;
  margin-bottom:.9rem;
  background:linear-gradient(135deg, #0f172a, #0f172a 45%, #1d4ed8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-subtitle{
  color:var(--text-muted);
  font-size:1.05rem;
  max-width:70ch;
  margin-bottom:1rem;
}
.hero-actions{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.15rem}

.hero-tags{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:.5rem}
.tag{
  display:inline-flex;align-items:center;
  padding:.34rem .6rem;
  border-radius:999px;
  background:rgba(29,78,216,.08);
  border:1px solid rgba(29,78,216,.16);
  color:#0b1a3a;
  font-size:.82rem;
}

.hero-aside{
  background:radial-gradient(circle at 0 0, rgba(30,165,247,.95) 0, #020617 42%, #020617 100%);
  border-radius:1.6rem;
  padding:1.7rem 1.6rem;
  color:#e5e7eb;
  box-shadow:0 26px 56px rgba(15,23,42,.55);
  position:relative;overflow:hidden;
}
.hero-aside::before{
  content:"";
  position:absolute;inset:-1px;
  background:
    radial-gradient(520px 320px at 22% 18%, rgba(255,255,255,.22), transparent 65%),
    radial-gradient(520px 320px at 86% 68%, rgba(37,99,235,.25), transparent 60%);
  opacity:.9;
  pointer-events:none;
}
.hero-aside > *{position:relative}
.hero-aside h2{font-size:1.15rem;margin-bottom:.55rem;letter-spacing:-.02em}
.hero-aside p{color:rgba(226,232,240,.92);margin-bottom:1rem}
.hero-aside ul{margin-left:1.15rem}
.hero-aside li{margin:.35rem 0;color:rgba(226,232,240,.92)}
.hero-aside-card{
  margin-top:1.1rem;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(148,163,184,.26);
  border-radius:16px;
  padding:.95rem;
}
.hero-aside-card span{display:inline-block;font-size:.75rem;color:#cbd5e1;margin-bottom:.35rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.cards .card{display:flex;flex-direction:column}
.cards .card .pill{margin-top:auto;align-self:flex-start}
.card{
  background:rgba(255,255,255,.76);
  border:1px solid rgba(15,23,42,.10);
  border-radius:var(--radius);
  padding:1.1rem 1.05rem;
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
  transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-strong);border-color:rgba(29,78,216,.18)}
.card h3{font-size:1.05rem;margin-bottom:.45rem;letter-spacing:-.02em}
.card p{color:var(--text-muted);margin-bottom:.75rem}
.pill{
  display:inline-block;
  font-size:.78rem;
  padding:.23rem .55rem;
  border-radius:999px;
  background:rgba(15,23,42,.06);
  border:1px solid rgba(15,23,42,.10);
  color:#0f172a;
}
.small{font-size:.85rem;color:var(--text-muted)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.step-number{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.35rem .65rem;
  border-radius:999px;
  background:rgba(29,78,216,.10);
  border:1px solid rgba(29,78,216,.18);
  font-weight:700;color:#0b1a3a;
  font-size:.86rem;
  margin-bottom:.7rem;
}
.step-number::before{
  content:"";
  width:8px;height:8px;border-radius:99px;
  background:rgba(29,78,216,.55);
  display:inline-block;
}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:1rem}
.contact-note{
  background:rgba(255,255,255,.76);
  border:1px solid rgba(15,23,42,.10);
  border-radius:var(--radius);
  padding:1.1rem;
  box-shadow:var(--shadow);
}
.contact-note h3{margin-bottom:.45rem}
.contact-note p{color:var(--text-muted)}
.contact-note a{color:var(--primary);text-decoration:underline;text-decoration-color:rgba(29,78,216,.35)}
.contact-note a:hover{text-decoration-color:rgba(29,78,216,.7)}

/* Forms (support) */
input, select, textarea{
  width:100%;
  padding:.72rem .8rem;
  border-radius:14px;
  border:1px solid rgba(15,23,42,.16);
  background:rgba(255,255,255,.82);
  box-shadow:0 8px 18px rgba(15,23,42,.06);
  outline:none;
  transition:border-color .15s ease, box-shadow .15s ease;
}
textarea{min-height:140px;resize:vertical}
input:focus, select:focus, textarea:focus{
  border-color:rgba(37,99,235,.55);
  box-shadow:0 0 0 4px rgba(37,99,235,.15), 0 10px 22px rgba(15,23,42,.08);
}
label{display:block;font-size:.9rem;font-weight:650;letter-spacing:-.01em;margin-bottom:.45rem}
.note{
  font-size:.9rem;color:var(--text-muted);
  background:rgba(30,165,247,.08);
  border:1px solid rgba(30,165,247,.18);
  border-radius:16px;
  padding:.9rem 1rem;
}

/* Support layout helpers (used by /support/) */
.support-grid{
  display:grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap:1rem;
}
.hero-card{
  background:rgba(255,255,255,.76);
  border:1px solid rgba(15,23,42,.10);
  border-radius:var(--radius);
  padding:1.1rem;
  box-shadow:var(--shadow);
}

/* Footer */
footer{
  margin-top:3rem;
  border-top:1px solid rgba(15,23,42,.08);
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(10px);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.25rem 0;
}

/* Chat widget (existing feature) */
.chat-launcher{
  position:fixed;
  bottom:22px;
  right:22px;
  z-index:50;
  display:flex;
  align-items:center;
  gap:.6rem;

  appearance:none;
  -webkit-appearance:none;
  border:1px solid rgba(15,23,42,.12);
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
  box-shadow:0 18px 48px rgba(15,23,42,.18);
  border-radius:999px;
  padding:.45rem .8rem;
  color:#0f172a;
  font-weight:650;
  font-size:.92rem;
  line-height:1;
  cursor:pointer;
  user-select:none;
  transition:transform .14s ease, box-shadow .14s ease, background .14s ease, border-color .14s ease;
}
.chat-launcher:focus{outline:none;box-shadow:0 0 0 4px rgba(29,78,216,.18), 0 18px 48px rgba(15,23,42,.18)}
.chat-launcher:hover{
  transform:translateY(-1px);
  box-shadow:0 24px 64px rgba(15,23,42,.22);
  border-color:rgba(15,23,42,.18);
  background:rgba(255,255,255,.90);
}
.chat-launcher span{white-space:nowrap}
.chat-launcher-circle{
  width:46px;height:46px;
  border-radius:18px;
  background:linear-gradient(135deg, var(--primary-soft), #0ea5e9);
  box-shadow:0 18px 40px rgba(29,78,216,.26);
  border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
}
.chat-launcher-circle:hover{transform:translateY(-1px);box-shadow:0 22px 50px rgba(29,78,216,.32)}
.chat-dot{width:8px;height:8px;border-radius:999px;background:#fff;opacity:.95}
.chat-window{
  position:fixed;
  bottom:78px;
  right:22px;
  width:360px;
  max-width:calc(100% - 44px);
  height:440px;
  border-radius:20px;
  background:rgba(255,255,255,.86);
  border:1px solid rgba(15,23,42,.12);
  box-shadow:0 28px 72px rgba(15,23,42,.22);
  display:none;
  overflow:hidden;
  z-index:50;
  backdrop-filter:blur(10px);
}
.chat-window.open{display:flex;flex-direction:column}
.chat-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:.85rem 1rem;
  background:linear-gradient(135deg, #0b1220, #020617);
  color:#e5e7eb;
}
.chat-header-left{display:flex;align-items:center;gap:.65rem}
.chat-body{flex:1;padding:.9rem;overflow:auto}
.chat-message{
  max-width:92%;
  margin:.55rem 0;
  padding:.7rem .8rem;
  border-radius:16px;
  border:1px solid rgba(15,23,42,.10);
  background:rgba(15,23,42,.04);
  color:var(--text-main);
  font-size:.92rem;
}
.chat-message.ai{
  margin-right:auto;
  background:rgba(15,23,42,.03);
  border-color:rgba(15,23,42,.10);
}
.chat-message.user{
  margin-left:auto;
  background:rgba(29,78,216,.08);
  border-color:rgba(29,78,216,.18);
}
.chat-input-row{
  border-top:1px solid rgba(15,23,42,.10);
  padding:.75rem;
  display:flex;
  gap:.5rem;
  align-items:flex-end;
  background:rgba(255,255,255,.8);
}
.chat-input-row textarea{min-height:44px;max-height:120px}
.chat-send-btn{
  border-radius:14px;
  padding:.7rem .85rem;
  border:1px solid transparent;
  background:var(--primary-soft);
  color:#fff;
  font-weight:650;
  cursor:pointer;
}
.chat-send-btn:disabled{opacity:.6;cursor:default}
.chat-hint{font-size:.72rem;color:#94a3b8;margin-bottom:.25rem}

/* Responsive */
@media (max-width: 1000px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 900px){
  .hero{grid-template-columns:minmax(0,1fr)}
  .support-grid{grid-template-columns:minmax(0,1fr)}
  .hero-aside{order:-1}
  .contact-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width: 640px){
  .nav-links{display:none}
  .hero{margin-top:1rem}
  .chat-window{width:calc(100% - 2.5rem);right:1.25rem}
  .nav-left{min-width:0}
  .brand-title{font-size:.95rem}
  .brand-subtitle{font-size:.76rem}
  .cards{grid-template-columns:minmax(0,1fr)}
}

@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto}
  .card, .btn-primary, .btn-outline, .chat-launcher-circle{transition:none}
  .card:hover, .btn-primary:hover, .btn-outline:hover, .chat-launcher-circle:hover{transform:none}
}


.card ul{padding-left:1.1rem;margin-top:.6rem}
.card li{margin:.25rem 0}


@media (min-width: 1100px){
  .chat-open .hero{padding-right:420px}
}


@media (max-width: 520px){
  .chat-launcher{padding:.45rem .55rem}
  .chat-launcher span{display:none}
}