*{box-sizing:border-box}
:root{
  --navy:#061f4b;
  --blue:#0d47a1;
  --royal:#1769e0;
  --bright:#2f80ed;
  --sky:#eaf4ff;
  --ice:#f5f9ff;
  --text:#10223e;
  --muted:#5f6f85;
  --border:#dce7f4;
  --white:#fff;
  --green:#1f9d63;
  --amber:#c27b00;
  --shadow:0 22px 60px rgba(8,47,107,.13);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.65;
}
a{color:inherit}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  min-height:72px;
  padding:0 max(24px,5vw);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
  color:var(--navy);
}
.brand-icon{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--bright));
  border-radius:12px;
  box-shadow:0 8px 20px rgba(23,105,224,.22);
}
.brand-icon svg{width:28px;height:28px}
.brand strong{display:block;font-size:14px;line-height:1.2}
.brand small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{
  text-decoration:none;
  font-size:12px;
  font-weight:750;
  color:#3c4e69;
  padding:9px 10px;
  border-radius:9px;
}
.nav-links a:hover{background:var(--sky);color:var(--blue)}
.nav-links .nav-cta{background:var(--blue);color:#fff;padding-inline:14px}
.menu-button{
  display:none;
  border:0;
  background:transparent;
  font-size:25px;
  color:var(--navy);
  cursor:pointer;
}
.hero{
  position:relative;
  overflow:hidden;
  min-height:calc(100vh - 72px);
  padding:90px max(6vw,28px);
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);
  align-items:center;
  gap:70px;
  background:
    linear-gradient(135deg,rgba(234,244,255,.84),rgba(255,255,255,.96) 48%,rgba(231,242,255,.8));
  border-bottom:1px solid var(--border);
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(4px);pointer-events:none}
.hero-glow.one{width:470px;height:470px;right:-220px;top:-190px;background:rgba(47,128,237,.12)}
.hero-glow.two{width:300px;height:300px;left:-160px;bottom:-160px;background:rgba(13,71,161,.10)}
.hero-content,.hero-card{position:relative;z-index:2}
.eyebrow{
  width:max-content;
  max-width:100%;
  display:flex;
  align-items:center;
  gap:9px;
  padding:7px 12px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:11px;
  font-weight:850;
  letter-spacing:.1em;
  color:var(--blue);
  box-shadow:0 8px 26px rgba(8,47,107,.06);
}
.dot{width:8px;height:8px;border-radius:50%;background:#2ca56d;box-shadow:0 0 0 5px rgba(44,165,109,.11)}
.hero h1{
  max-width:900px;
  margin:22px 0 22px;
  color:var(--navy);
  font-size:clamp(48px,6.2vw,88px);
  line-height:.98;
  letter-spacing:-.052em;
}
.hero h1 span{
  color:var(--royal);
  text-decoration:underline;
  text-decoration-thickness:.09em;
  text-underline-offset:.08em;
}
.hero-lead{
  max-width:760px;
  color:#50617a;
  font-size:clamp(17px,1.6vw,21px);
  margin:0;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
.button{
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 20px;
  border-radius:11px;
  text-decoration:none;
  font-size:13px;
  font-weight:850;
  border:1px solid var(--border);
  transition:transform .18s ease,box-shadow .18s ease;
}
.button:hover{transform:translateY(-2px)}
.button.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(13,71,161,.18)}
.button.secondary{background:#fff;color:var(--blue)}
.hero-points{display:flex;flex-wrap:wrap;gap:35px;margin-top:45px}
.hero-points div{max-width:180px}
.hero-points strong{display:block;color:var(--navy);font-size:15px}
.hero-points span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.hero-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.hero-card-head{
  display:flex;
  justify-content:space-between;
  gap:18px;
  padding:26px;
  background:linear-gradient(135deg,#f7fbff,#eef6ff);
  border-bottom:1px solid var(--border);
}
.tiny-label,.kicker{
  color:var(--royal);
  font-size:10px;
  font-weight:900;
  letter-spacing:.14em;
}
.hero-card h2{margin:6px 0 0;color:var(--navy);font-size:23px;line-height:1.15}
.status-pill{
  align-self:flex-start;
  white-space:nowrap;
  font-size:10px;
  color:var(--blue);
  font-weight:850;
  padding:6px 9px;
  border:1px solid #cfe2fb;
  border-radius:999px;
  background:#fff;
}
.timeline-demo{padding:13px 26px}
.timeline-row{
  display:grid;
  grid-template-columns:52px 1fr;
  align-items:center;
  gap:10px;
  padding:13px 0;
  border-bottom:1px solid #edf2f7;
}
.timeline-row:last-child{border-bottom:0}
.time{font-size:11px;font-weight:850;color:#7a8799}
.event{
  display:block;
  position:relative;
  padding-left:22px;
  font-size:13px;
  font-weight:700;
}
.event:before{
  content:"";
  position:absolute;
  left:0;
  top:.42em;
  width:10px;
  height:10px;
  border-radius:50%;
}
.event.typed:before{background:#2f80ed}
.event.revision:before{background:#1f9d63}
.event.paste:before{background:#e99c21}
.card-note{
  margin:0;
  padding:20px 26px 24px;
  color:#627187;
  font-size:12px;
  background:#fbfdff;
  border-top:1px solid var(--border);
}
.section{padding:95px max(6vw,28px)}
.section-heading{max-width:790px;margin-bottom:42px}
.section-heading h2{
  margin:9px 0 13px;
  color:var(--navy);
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.04;
  letter-spacing:-.04em;
}
.section-heading p{margin:0;color:var(--muted);font-size:16px}
.problem-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:15px;
}
.feature-card{
  min-height:230px;
  padding:24px;
  border:1px solid var(--border);
  border-radius:17px;
  background:linear-gradient(180deg,#fff,#fbfdff);
  box-shadow:0 10px 30px rgba(8,47,107,.05);
}
.feature-icon{
  width:46px;height:46px;display:grid;place-items:center;
  border-radius:13px;background:var(--sky);font-size:22px;
}
.feature-card h3{margin:17px 0 8px;color:var(--navy);font-size:17px}
.feature-card p{margin:0;color:var(--muted);font-size:13px}
.blue-section{
  position:relative;
  color:#fff;
  background:
    radial-gradient(circle at 85% 15%,rgba(99,179,255,.22),transparent 28%),
    linear-gradient(135deg,#061f4b,#0d47a1 55%,#1769e0);
}
.section-heading.light h2,.section-heading.light p{color:#fff}
.section-heading.light p{opacity:.82}
.light-kicker{color:#9dcbff}
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.step{
  padding:22px 18px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:16px;
  background:rgba(255,255,255,.075);
  backdrop-filter:blur(6px);
}
.step-number{
  width:37px;height:37px;display:grid;place-items:center;
  border-radius:11px;
  background:#fff;color:var(--blue);font-weight:900;font-size:13px;
}
.step h3{margin:17px 0 8px;font-size:15px}
.step p{margin:0;opacity:.77;font-size:12px}
.assessment-layout{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.argument-card{
  padding:26px;
  border:1px solid var(--border);
  border-radius:17px;
  background:#fff;
}
.argument-number{
  display:block;
  color:#9cb4d4;
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
}
.argument-card h3{margin:12px 0 8px;color:var(--navy);font-size:20px}
.argument-card p{margin:0;color:var(--muted);font-size:14px}
.callout{
  margin-top:18px;
  display:grid;
  grid-template-columns:54px 1fr;
  gap:16px;
  align-items:start;
  padding:22px;
  border:1px solid #f0d8a8;
  background:#fffaf0;
  border-radius:15px;
}
.callout-icon{
  width:44px;height:44px;display:grid;place-items:center;
  border-radius:12px;background:#fff0c8;color:#a56400;font-weight:950;font-size:20px;
}
.callout h3{margin:0 0 5px;color:#6e4600;font-size:16px}
.callout p{margin:0;color:#795f2c;font-size:13px}
.comparison-section{background:var(--ice)}
.comparison-table-wrap{
  overflow:auto;
  border:1px solid var(--border);
  border-radius:16px;
  background:#fff;
  box-shadow:0 12px 36px rgba(8,47,107,.05);
}
.comparison-table{width:100%;border-collapse:collapse;min-width:640px}
.comparison-table th,.comparison-table td{padding:17px 20px;text-align:left;border-bottom:1px solid #e9f0f7}
.comparison-table th{font-size:12px;color:var(--muted);background:#f9fbfe}
.comparison-table td{font-size:13px}
.comparison-table tbody tr:last-child td{border-bottom:0}
.plus-col{background:#edf5ff!important;color:var(--blue);font-weight:800}
.calculator{
  margin-top:24px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:23px 35px;
  align-items:end;
  padding:28px;
  border-radius:18px;
  background:var(--navy);
  color:#fff;
}
.calculator h3{margin:7px 0;font-size:22px}
.calculator p{margin:0;max-width:650px;color:#c7d5ea;font-size:13px}
.calculator form{display:flex;align-items:end;gap:10px;flex-wrap:wrap}
.calculator label{display:grid;gap:6px;font-size:11px;font-weight:800;color:#dbe8f8}
.calculator input{
  width:170px;
  min-height:45px;
  padding:0 12px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:9px;
  background:#fff;
  color:var(--navy);
  font-size:16px;
}
.calculator button{
  min-height:45px;
  border:0;
  border-radius:9px;
  padding:0 16px;
  background:#55a5ff;
  color:#061f4b;
  font-weight:900;
  cursor:pointer;
}
.calc-result{
  grid-column:1/-1;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.14);
  color:#e8f2ff;
  font-size:13px;
}
.videos-section{background:#fff}
.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.video-card{
  overflow:hidden;
  border:1px solid var(--border);
  border-radius:17px;
  background:#fff;
  box-shadow:0 12px 35px rgba(8,47,107,.06);
}
.video-frame{aspect-ratio:16/9;background:#dcecff}
.video-frame iframe{width:100%;height:100%;border:0;display:block}
.video-content{padding:20px}
.video-tag{
  display:inline-block;
  color:var(--blue);
  background:var(--sky);
  padding:5px 8px;
  border-radius:999px;
  font-size:9px;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.video-content h3{margin:12px 0 7px;color:var(--navy);font-size:17px}
.video-content p{margin:0 0 15px;color:var(--muted);font-size:12px}
.video-content a{color:var(--royal);font-size:12px;font-weight:850;text-decoration:none}
.facts-section{background:var(--ice)}
.facts-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.fact{
  display:grid;
  grid-template-columns:43px 1fr;
  gap:15px;
  padding:22px;
  border-radius:15px;
  background:#fff;
  border:1px solid var(--border);
}
.fact>span{
  width:39px;height:39px;display:grid;place-items:center;border-radius:11px;font-weight:950;
}
.fact.good>span{color:#167346;background:#e9f8f0}
.fact.caution>span{color:#9a6200;background:#fff3d6}
.fact h3{margin:0 0 4px;color:var(--navy);font-size:15px}
.fact p{margin:0;color:var(--muted);font-size:12px}
.privacy-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  padding:34px;
  border:1px solid var(--border);
  border-radius:19px;
  background:linear-gradient(135deg,#f9fcff,#eef6ff);
}
.privacy-card>div:first-child{max-width:790px}
.privacy-card h2{margin:9px 0 11px;color:var(--navy);font-size:clamp(28px,3.5vw,43px);line-height:1.08}
.privacy-card p{margin:0;color:var(--muted);font-size:14px}
.privacy-links{display:flex;flex-direction:column;gap:9px;min-width:170px}
.privacy-links a{
  padding:12px 13px;
  border:1px solid #cfe0f4;
  border-radius:10px;
  background:#fff;
  color:var(--blue);
  text-decoration:none;
  font-size:12px;
  font-weight:850;
}
.proposal-section{
  padding-top:55px;
  background:linear-gradient(135deg,#061f4b,#0d47a1 58%,#1769e0);
}
.proposal{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:50px;
  color:#fff;
}
.proposal-copy{max-width:820px}
.proposal h2{margin:9px 0 15px;font-size:clamp(36px,5vw,62px);line-height:1.02;letter-spacing:-.045em}
.proposal p{color:#d5e5f8;font-size:14px}
.proposal-actions{display:flex;flex-direction:column;gap:10px;min-width:210px}
.light-button{background:transparent!important;color:#fff!important;border-color:rgba(255,255,255,.28)!important}
.sources-section{padding-bottom:80px}
.sources-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.sources-list a{
  display:block;
  padding:20px;
  border:1px solid var(--border);
  border-radius:13px;
  text-decoration:none;
  background:#fff;
}
.sources-list a:hover{border-color:#a7c8ee;background:#f8fbff}
.sources-list strong{display:block;color:var(--navy);font-size:14px}
.sources-list span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
footer{
  padding:30px max(6vw,28px);
  display:flex;
  justify-content:space-between;
  gap:30px;
  border-top:1px solid var(--border);
  background:#f8fbff;
}
footer strong{display:block;color:var(--navy);font-size:13px}
footer p{margin:5px 0 0;color:var(--muted);font-size:11px}
.footer-right{display:flex;gap:12px;align-items:flex-end;flex-direction:column;color:#78869a;font-size:10px}
@media(max-width:1100px){
  .nav-links a:not(.nav-cta){display:none}
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero-card{max-width:720px}
  .steps{grid-template-columns:repeat(3,1fr)}
  .problem-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .menu-button{display:block}
  .nav-links{
    display:none;
    position:absolute;
    top:78px;
    left:18px;
    right:18px;
    padding:10px;
    flex-direction:column;
    align-items:stretch;
    border:1px solid var(--border);
    border-radius:13px;
    background:#fff;
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a,.nav-links a:not(.nav-cta){display:block}
  .hero{padding-top:70px;gap:45px}
  .hero h1{font-size:clamp(43px,12vw,66px)}
  .steps{grid-template-columns:1fr 1fr}
  .video-grid{grid-template-columns:1fr}
  .calculator{grid-template-columns:1fr;align-items:start}
  .calculator form{grid-column:1}
  .privacy-card,.proposal{flex-direction:column;align-items:flex-start}
  .proposal-actions{flex-direction:row;flex-wrap:wrap}
}
@media(max-width:620px){
  .site-header{padding-inline:16px}
  .brand small{display:none}
  .hero,.section{padding-left:20px;padding-right:20px}
  .hero-points{gap:20px}
  .problem-grid,.assessment-layout,.facts-grid,.sources-list,.steps{grid-template-columns:1fr}
  .hero-card-head{flex-direction:column}
  .status-pill{align-self:flex-start}
  .calculator input{width:100%}
  .calculator form{display:grid;width:100%}
  footer{flex-direction:column;padding-inline:20px}
  .footer-right{align-items:flex-start}
}