:root{--platform-bg:#f9f8f6;--platform-bg-elevated:#ffffff;--platform-bg-subtle:#f3efe9;--platform-text:#1a1612;--platform-text-secondary:#3d3529;--platform-text-muted:#6b5f52;--platform-text-muted-light:#8f8074;--platform-border:#e4ddd4;--platform-border-light:#f0ebe4;--platform-primary:#6aa3c8;--platform-primary-hover:#4e8cb5;--platform-primary-foreground:#ffffff;--platform-primary-muted:#ddeef8;--platform-accent:#c4956a;--platform-success:#4a9e7a;--platform-success-bg:#d6f0e4;--platform-destructive:#c84c3a;--platform-destructive-bg:#fde8e4;--platform-font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";--platform-font-mono:ui-monospace,monospace;--platform-text-xs:0.75rem;--platform-text-sm:0.875rem;--platform-text-base:1rem;--platform-text-lg:1.125rem;--platform-text-xl:1.25rem;--platform-text-2xl:1.5rem;--platform-text-3xl:1.875rem;--platform-text-4xl:2.25rem;--platform-font-medium:500;--platform-font-semibold:600;--platform-font-bold:700;--platform-leading-tight:1.25;--platform-leading-relaxed:1.625;--platform-tracking-tight:-0.025em;--platform-radius:0.75rem;--platform-radius-lg:1rem;--platform-radius-xl:1.25rem;--platform-radius-2xl:1.5rem;--platform-shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);--platform-shadow:0 1px 3px 0 rgb(0 0 0/0.1),0 1px 2px -1px rgb(0 0 0/0.1);--platform-shadow-md:0 4px 6px -1px rgb(0 0 0/0.1),0 2px 4px -2px rgb(0 0 0/0.1);--platform-shadow-lg:0 10px 15px -3px rgb(0 0 0/0.1),0 4px 6px -4px rgb(0 0 0/0.1);--platform-container:80rem;--platform-nav-height:4rem}.platform-container{width:100%;max-width:var(--platform-container);margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}@media (min-width:640px){.platform-container{padding-left:1.5rem;padding-right:1.5rem}}@media (min-width:1024px){.platform-container{padding-left:2rem;padding-right:2rem}}.platform-section{padding-top:3rem;padding-bottom:3rem}.platform-section-lg{padding-top:5rem;padding-bottom:5rem}.platform-nav{position:sticky;top:0;z-index:50;width:100%;height:var(--platform-nav-height);background:color-mix(in srgb,var(--platform-bg-elevated) 95%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid color-mix(in srgb,var(--platform-border) 80%,transparent);box-shadow:var(--platform-shadow-sm)}.platform-nav-fixed{position:fixed;left:0;right:0;top:0}.platform-nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.platform-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:var(--platform-text-sm);font-weight:var(--platform-font-semibold);border-radius:var(--platform-radius-xl);transition:color .15s ease,background-color .15s ease,border-color .15s ease,box-shadow .15s ease;cursor:pointer;border:none;outline:none}.platform-btn-primary{background:var(--platform-primary);color:var(--platform-primary-foreground);padding:.625rem 1.25rem;box-shadow:var(--platform-shadow-sm)}.platform-btn-primary:hover{background:var(--platform-primary-hover);box-shadow:var(--platform-shadow)}.platform-btn-secondary{background:var(--platform-bg-elevated);color:var(--platform-text-secondary);border:1px solid var(--platform-border);padding:.5rem 1rem}.platform-btn-secondary:hover{border-color:var(--platform-primary-muted);color:var(--platform-primary)}.platform-btn-ghost{background:transparent;color:var(--platform-text-muted);padding:.5rem .75rem}.platform-btn-ghost:hover{color:var(--platform-primary);background:var(--platform-bg-subtle)}.platform-btn-outline-light{background:transparent;color:rgba(255,255,255,.95);border:2px solid rgba(255,255,255,.8);padding:.625rem 1.25rem}.platform-btn-outline-light:hover{background:var(--platform-bg-elevated);color:var(--platform-text)}.platform-card{background:var(--platform-bg-elevated);border:1px solid color-mix(in srgb,var(--platform-border) 80%,transparent);border-radius:var(--platform-radius-2xl);padding:1.25rem;box-shadow:var(--platform-shadow-sm);transition:box-shadow .2s ease,border-color .2s ease}.platform-card:hover{box-shadow:var(--platform-shadow-md);border-color:var(--platform-border)}.platform-card-elevated{background:var(--platform-bg-elevated);border:1px solid var(--platform-border);border-radius:var(--platform-radius-2xl);padding:1.5rem;box-shadow:var(--platform-shadow-md)}.platform-card-interactive{background:var(--platform-bg-elevated);border:1px solid color-mix(in srgb,var(--platform-border) 80%,transparent);border-radius:var(--platform-radius-2xl);padding:1.25rem;box-shadow:var(--platform-shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.platform-card-interactive:hover{transform:translateY(-2px);box-shadow:var(--platform-shadow-md);border-color:var(--platform-border)}.platform-heading-1{font-size:clamp(2rem,5vw,3.75rem);letter-spacing:var(--platform-tracking-tight)}.platform-heading-1,.platform-heading-2{font-weight:var(--platform-font-bold);line-height:var(--platform-leading-tight);color:var(--platform-text)}.platform-heading-2{font-size:clamp(1.875rem,4vw,2.25rem)}.platform-heading-3{font-size:var(--platform-text-xl);font-weight:var(--platform-font-semibold);color:var(--platform-text)}.platform-body-lg{font-size:var(--platform-text-lg)}.platform-body,.platform-body-lg{line-height:var(--platform-leading-relaxed);color:var(--platform-text-muted)}.platform-body{font-size:var(--platform-text-base)}.platform-body-sm{font-size:var(--platform-text-sm);line-height:var(--platform-leading-relaxed);color:var(--platform-text-muted)}.platform-label{font-size:var(--platform-text-sm);color:var(--platform-text-secondary)}.platform-badge,.platform-label{font-weight:var(--platform-font-medium)}.platform-badge{display:inline-flex;align-items:center;gap:.375rem;padding:.25rem .75rem;font-size:var(--platform-text-xs);border-radius:9999px;background:var(--platform-bg-subtle);color:var(--platform-text-muted);border:1px solid var(--platform-border-light)}.platform-badge-accent{background:color-mix(in srgb,var(--platform-primary) 12%,transparent);color:var(--platform-primary);border-color:color-mix(in srgb,var(--platform-primary) 25%,transparent)}.platform-input{width:100%;height:2.75rem;padding:0 .75rem;font-size:var(--platform-text-sm);color:var(--platform-text);background:var(--platform-bg-elevated);border:1px solid var(--platform-border);border-radius:var(--platform-radius-xl);transition:border-color .15s ease,box-shadow .15s ease}.platform-input::-moz-placeholder{color:var(--platform-text-muted-light)}.platform-input::placeholder{color:var(--platform-text-muted-light)}.platform-input:hover{border-color:var(--platform-text-muted-light)}.platform-input:focus{outline:none;border-color:var(--platform-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--platform-primary) 25%,transparent)}.platform-footer{background:var(--platform-text);color:var(--platform-bg);padding-top:4rem;padding-bottom:4rem}.platform-footer-link{font-size:var(--platform-text-sm);color:var(--platform-text-muted-light);transition:color .15s ease}.platform-footer-heading,.platform-footer-link:hover{color:var(--platform-bg-elevated)}.platform-footer-heading{font-size:var(--platform-text-sm);font-weight:var(--platform-font-semibold);margin-bottom:1rem}