:root{--background:hsl(222 14% 97%);--foreground:hsl(228 38% 16%);--card:hsl(0 0 100%);--card-foreground:hsl(228 38% 16%);--primary:hsl(203 67% 55%);--primary-foreground:hsl(0 0 100%);--secondary:hsl(210 33% 96%);--muted-foreground:hsl(220 9% 46%);--navy:hsl(228 38% 16%);--navy-foreground:hsl(0 0 100%);--border:hsl(220 13% 91%);--radius:.5rem}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--foreground);line-height:1.6}img{max-width:100%;display:block}a{color:inherit}h1,h2,h3,h4{color:var(--card-foreground);margin:0 0 .75rem;line-height:1.25}h2{font-size:1.5rem;font-weight:700}@media(min-width:768px){h2{font-size:1.875rem}}h3{font-size:1.125rem;font-weight:600;margin-top:1.25rem}h4{font-size:1rem;font-weight:600}p{margin:0 0 1rem}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}.navbar{position:fixed;inset:0 0 auto 0;z-index:50;background:var(--navy);transition:box-shadow .3s ease}.navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.3)}.nav-inner{height:4rem;display:flex;align-items:center}.hero{position:relative;background:var(--navy);color:var(--navy-foreground);padding:8rem 0 5rem;overflow:hidden;text-align:center}@media(min-width:768px){.hero{padding:9rem 0 6rem}}.hero-decor{position:absolute;inset:0;opacity:.05;pointer-events:none}.circle{position:absolute;border-radius:9999px;border:1px solid rgba(255,255,255,.2)}.circle-1{top:5rem;right:5rem;width:24rem;height:24rem}.circle-2{bottom:2.5rem;left:2.5rem;width:16rem;height:16rem}.circle-3{top:10rem;left:33%;width:12rem;height:12rem;border-color:hsl(203 67% 55% / .3)}.hero-content{position:relative;z-index:1}.badge{display:inline-flex;align-items:center;gap:.5rem;background:hsl(203 67% 55% / .1);border:1px solid hsl(203 67% 55% / .2);border-radius:9999px;padding:.375rem 1rem;margin-bottom:1.5rem;color:var(--primary);font-size:.875rem;font-weight:500}.badge-dot{width:.5rem;height:.5rem;border-radius:9999px;background:var(--primary)}.hero h1{font-size:1.875rem;font-weight:700;margin-bottom:1.5rem;color:var(--navy-foreground)}@media(min-width:768px){.hero h1{font-size:3rem}}.hero h1 .accent{color:var(--primary)}.hero-lead{font-size:1.125rem;color:hsl(0 0 100% / .7);max-width:48rem;margin:0 auto 2.5rem}.hero-scroll{display:inline-flex;align-items:center;gap:.5rem;color:hsl(0 0 100% / .5);text-decoration:none;font-size:.875rem;animation:bounce-gentle 2s infinite;transition:color .2s ease}.hero-scroll:hover{color:var(--primary)}@keyframes bounce-gentle{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}.layout{display:flex;gap:2.5rem;padding:3rem 1rem}.main{flex:1;max-width:56rem;display:flex;flex-direction:column;gap:2.5rem;min-width:0}.sidebar{display:none;width:16rem;flex-shrink:0}@media(min-width:1024px){.sidebar{display:block}}.sidebar-nav{position:sticky;top:6rem}.sidebar-link{display:block;text-decoration:none;font-size:.8125rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:.625rem 1rem;border-left:3px solid transparent;color:hsl(228 38% 16% / .7);transition:color .2s ease,border-color .2s ease}.sidebar-link:hover{color:var(--foreground);border-left-color:var(--border)}.sidebar-link.active{color:var(--primary);border-left-color:var(--primary)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;scroll-margin-top:5rem}@media(min-width:768px){.card{padding:2.5rem}}.card-dark{background:var(--navy);color:var(--navy-foreground);border-radius:var(--radius);border-top:4px solid var(--primary);padding:1.5rem;scroll-margin-top:5rem}@media(min-width:768px){.card-dark{padding:2.5rem}}.card-dark h2,.card-dark h3,.card-dark h4{color:var(--navy-foreground)}.card-dark p{color:hsl(0 0 100% / .7)}.diagram{margin:0;border-radius:var(--radius);overflow:hidden}.steps{list-style:none;padding:0;margin:1rem 0 0;display:flex;flex-direction:column;gap:1.5rem}.step{display:flex;gap:1rem;align-items:flex-start}@media(min-width:768px){.step{gap:1.5rem}}.step-icon{width:4rem;height:4rem;flex-shrink:0;border-radius:9999px;background:hsl(203 67% 55% / .1);border:2px solid var(--primary);color:var(--primary);display:flex;align-items:center;justify-content:center}.step-icon svg{width:1.5rem;height:1.5rem}.step h4{font-size:1.125rem}.step p{color:var(--foreground);margin-top:.25rem}.subgroup{margin-top:1.5rem;display:flex;flex-direction:column;gap:1rem}.grid-2{display:grid;grid-template-columns:1fr;gap:1rem}@media(min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}}.grid-3{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:2rem}@media(min-width:768px){.grid-3{grid-template-columns:repeat(3,1fr)}}.tile{background:var(--secondary);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.tile p{color:var(--muted-foreground);font-size:.875rem;margin:0}.callout{background:hsl(210 33% 96% / .5);border-left:4px solid var(--primary);border-radius:var(--radius);padding:1rem;margin-top:1.5rem}.callout p{color:var(--muted-foreground);font-size:.875rem;margin:0}.callout strong{color:var(--card-foreground)}.table-wrap{overflow-x:auto}.records-table{width:100%;border-collapse:collapse;font-size:.875rem}.records-table th,.records-table td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--border)}.records-table th{font-weight:600;color:var(--card-foreground)}.records-table th:first-child{width:9rem}.records-table tr:last-child td{border-bottom:0}.rec-type{font-weight:500;color:var(--primary)}.records-table td:not(.rec-type){color:var(--muted-foreground)}.note{font-size:.875rem;color:var(--muted-foreground);margin-top:1rem}.threat{background:var(--navy);color:var(--navy-foreground);border-radius:var(--radius);padding:1.25rem}.threat h4{color:var(--navy-foreground);margin-bottom:.25rem}.threat p{color:hsl(0 0 100% / .7);font-size:.875rem;margin:0}.icon-heading{display:flex;align-items:center;gap:.5rem;color:var(--card-foreground)}.icon-heading svg{color:var(--primary)}.benefit{display:flex;gap:1rem;align-items:flex-start;padding:1rem;border:1px solid var(--border);border-radius:var(--radius);background:hsl(210 33% 96% / .5)}.benefit-icon{width:2.5rem;height:2.5rem;flex-shrink:0;border-radius:var(--radius);background:hsl(203 67% 55% / .1);color:var(--primary);display:flex;align-items:center;justify-content:center}.benefit h4{margin-bottom:.25rem}.benefit p{color:var(--muted-foreground);font-size:.875rem;margin:0}.ddi-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}.ddi-icon{width:2.5rem;height:2.5rem;background:var(--primary);color:var(--primary-foreground);border-radius:var(--radius);display:flex;align-items:center;justify-content:center}.ddi-section{font-size:.875rem;color:hsl(0 0 100% / .5);margin:0}.ddi-intro{color:hsl(0 0 100% / .7);margin-bottom:2rem}.ddi-features{gap:1rem}.ddi-feature{background:hsl(0 0 100% / .05);border:1px solid hsl(0 0 100% / .1);border-radius:var(--radius);padding:1.25rem}.ddi-feature h4{color:var(--primary);margin-bottom:.5rem}.ddi-feature p{color:hsl(0 0 100% / .7);font-size:.875rem;margin:0}.faq-list{display:flex;flex-direction:column}.faq{border-bottom:1px solid var(--border)}.faq:last-child{border-bottom:0}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 0;background:0;border:0;cursor:pointer;font:inherit;font-size:1rem;font-weight:500;text-align:left;color:var(--card-foreground);transition:color .2s ease}.faq-q:hover{color:var(--primary)}.faq-q .chevron{flex-shrink:0;transition:transform .2s ease}.faq-q[aria-expanded="true"] .chevron{transform:rotate(180deg)}.faq-a{overflow:hidden;max-height:0;transition:max-height .3s ease}.faq-a p{padding-bottom:1rem;color:var(--muted-foreground);margin:0}.cta{background:var(--primary);border-radius:var(--radius);padding:2.5rem;text-align:center}.cta h2{color:var(--primary-foreground);margin-bottom:.75rem}.cta p{color:hsl(0 0 100% / .8);margin-bottom:1.5rem}.cta-btn{display:inline-block;background:var(--primary-foreground);color:var(--primary);font-weight:600;padding:.75rem 2rem;border-radius:var(--radius);text-decoration:none;transition:opacity .2s ease}.cta-btn:hover{opacity:.9}.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}.reveal.visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.hero-scroll{animation:none}html{scroll-behavior:auto}}