/* LOGOS Design Foundation — Stage 1
   New components use df-* classes and --df-* tokens only.
   This layer intentionally avoids broad overrides of legacy components. */

:root{
  --df-brand-navy:#061d36;
  --df-brand-navy-2:#0a2948;
  --df-brand-red:#e41a34;
  --df-brand-gold:#d7aa48;
  --df-brand-graphite:#19232f;
  --df-bg:#fff;
  --df-bg-soft:#f7f8fa;
  --df-bg-warm:#f7f5ef;
  --df-surface:#fff;
  --df-text:#102036;
  --df-text-strong:#061d36;
  --df-text-muted:#687486;
  --df-border:#dde2e8;
  --df-border-strong:#c8d0d9;
  --df-success:#19724a;
  --df-warning:#8a6517;
  --df-danger:#b91c2f;
  --df-focus:#e41a34;
  --df-shadow-sm:0 4px 14px rgba(6,29,54,.07);
  --df-shadow-md:0 12px 32px rgba(6,29,54,.10);
  --df-shadow-lg:0 24px 64px rgba(6,29,54,.14);
  --df-radius-sm:8px;
  --df-radius-md:12px;
  --df-radius-lg:18px;
  --df-radius-xl:24px;
  --df-radius-pill:999px;
  --df-space-1:4px;
  --df-space-2:8px;
  --df-space-3:12px;
  --df-space-4:16px;
  --df-space-5:24px;
  --df-space-6:32px;
  --df-space-7:48px;
  --df-space-8:64px;
  --df-space-9:80px;
  --df-space-10:96px;
  --df-space-11:120px;
  --df-container-max:1180px;
  --df-gutter:32px;
  --df-section-space:96px;
  --df-font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --df-motion-fast:180ms;
  --df-motion-base:240ms;
}

.df-scope{font-family:var(--df-font);color:var(--df-text);background:var(--df-bg);line-height:1.65}
.df-scope *{box-sizing:border-box}
.df-container{width:min(var(--df-container-max),calc(100% - (2 * var(--df-gutter))));margin-inline:auto}
.df-section{padding-block:var(--df-section-space)}
.df-section--soft{background:var(--df-bg-soft)}
.df-section--warm{background:var(--df-bg-warm)}
.df-section--navy{background:var(--df-brand-navy);color:#fff}
.df-stack{display:grid;gap:var(--df-space-5)}
.df-grid{display:grid;gap:var(--df-space-5)}
.df-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.df-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.df-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.df-kicker{margin:0 0 var(--df-space-3);font-size:.8125rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--df-brand-red)}
.df-title{margin:0;color:var(--df-text-strong);font-size:clamp(2rem,3.4vw,3rem);line-height:1.1;letter-spacing:-.025em;font-weight:800}
.df-title--hero{font-size:clamp(2.5rem,5vw,4.5rem);line-height:1.04;letter-spacing:-.035em}
.df-lead{max-width:720px;margin:var(--df-space-4) 0 0;font-size:clamp(1.0625rem,1.6vw,1.25rem);line-height:1.65;color:var(--df-text-muted)}
.df-section--navy .df-title,.df-section--navy .df-lead{color:#fff}
.df-section--navy .df-lead{color:#dbe5f0}
.df-section--navy .df-kicker{color:var(--df-brand-gold)}

.df-actions{display:flex;gap:var(--df-space-3);flex-wrap:wrap;align-items:center}
.df-btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:var(--df-space-2);padding:11px 22px;border:2px solid transparent;border-radius:var(--df-radius-md);font:700 1rem/1.2 var(--df-font);text-decoration:none;cursor:pointer;transition:transform var(--df-motion-fast) ease,background var(--df-motion-fast) ease,border-color var(--df-motion-fast) ease,box-shadow var(--df-motion-fast) ease}
.df-btn:hover{transform:translateY(-1px)}
.df-btn:focus-visible,.df-link:focus-visible,.df-input:focus-visible,.df-select:focus-visible,.df-textarea:focus-visible,.df-summary:focus-visible,.df-header-demo__nav a:focus-visible{outline:3px solid var(--df-focus);outline-offset:3px}
.df-btn--primary{background:var(--df-brand-red);color:#fff}
.df-btn--primary:hover{background:#c8172e}
.df-btn--secondary{background:#fff;border-color:var(--df-brand-navy);color:var(--df-brand-navy)}
.df-btn--secondary:hover{background:var(--df-bg-soft)}
.df-btn--ghost{background:transparent;border-color:var(--df-border-strong);color:inherit}
.df-btn--small{min-height:44px;padding:9px 16px;font-size:.9375rem}
.df-link{font-weight:700;color:var(--df-brand-navy);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.df-link:hover{text-decoration-thickness:2px}

.df-card{min-width:0;padding:var(--df-space-6);border:1px solid var(--df-border);border-radius:var(--df-radius-lg);background:var(--df-surface);box-shadow:var(--df-shadow-sm)}
a.df-card{display:block;color:inherit;text-decoration:none;transition:transform var(--df-motion-fast) ease,box-shadow var(--df-motion-fast) ease,border-color var(--df-motion-fast) ease}
a.df-card:hover{transform:translateY(-2px);box-shadow:var(--df-shadow-md);border-color:var(--df-border-strong)}
.df-card__label{display:block;margin-bottom:var(--df-space-3);font-size:.8125rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--df-brand-red)}
.df-card h3{margin:0 0 var(--df-space-3);font-size:clamp(1.25rem,2vw,1.5rem);line-height:1.25;color:var(--df-text-strong)}
.df-card p{margin:0;color:var(--df-text-muted)}
.df-card ul{margin:var(--df-space-4) 0 0;padding-left:1.25rem;color:var(--df-text-muted)}
.df-card__action{display:inline-block;margin-top:var(--df-space-5);font-weight:700;color:var(--df-brand-navy)}
.df-card--accent{border-top:4px solid var(--df-brand-red)}
.df-card--gold{border-top:4px solid var(--df-brand-gold)}

.df-process{counter-reset:df-step;display:grid;gap:var(--df-space-4)}
.df-process__step{counter-increment:df-step;display:grid;grid-template-columns:48px minmax(0,1fr);gap:var(--df-space-4);align-items:start;padding:var(--df-space-5);border:1px solid var(--df-border);border-radius:var(--df-radius-md);background:#fff}
.df-process__step::before{content:counter(df-step);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--df-brand-navy);color:#fff;font-weight:800}
.df-process__step h3{margin:0 0 var(--df-space-2);font-size:1.125rem;color:var(--df-text-strong)}
.df-process__step p{margin:0;color:var(--df-text-muted)}

.df-expert{display:grid;grid-template-columns:96px minmax(0,1fr);gap:var(--df-space-5);align-items:start}
.df-expert__photo{width:96px;aspect-ratio:1;border-radius:var(--df-radius-lg);object-fit:cover;background:var(--df-bg-soft)}
.df-expert__role{margin:0 0 var(--df-space-2);font-size:.875rem;font-weight:700;color:var(--df-brand-red)}
.df-expert__langs{margin-top:var(--df-space-3);font-size:.875rem;color:var(--df-text-muted)}

.df-update__meta{display:flex;gap:var(--df-space-3);flex-wrap:wrap;margin-bottom:var(--df-space-3);font-size:.8125rem;font-weight:700;color:var(--df-text-muted)}
.df-update time{color:var(--df-text-strong)}

.df-field{display:grid;gap:var(--df-space-2)}
.df-label{font-weight:700;color:var(--df-text-strong)}
.df-input,.df-select,.df-textarea{width:100%;min-height:44px;border:1px solid var(--df-border-strong);border-radius:var(--df-radius-sm);padding:11px 13px;background:#fff;color:var(--df-text);font:inherit}
.df-textarea{min-height:132px;resize:vertical}
.df-field__hint,.df-field__error{margin:0;font-size:.8125rem}
.df-field__hint{color:var(--df-text-muted)}
.df-field__error{color:var(--df-danger);font-weight:700}
.df-field--error .df-input,.df-field--error .df-select,.df-field--error .df-textarea{border-color:var(--df-danger)}

.df-faq{border:1px solid var(--df-border);border-radius:var(--df-radius-md);background:#fff;overflow:hidden}
.df-faq details+details{border-top:1px solid var(--df-border)}
.df-summary{display:flex;align-items:center;justify-content:space-between;gap:var(--df-space-4);min-height:56px;padding:var(--df-space-4) var(--df-space-5);font-weight:700;color:var(--df-text-strong);cursor:pointer}
.df-summary::marker{content:""}
.df-summary::after{content:"+";font-size:1.35rem;line-height:1;color:var(--df-brand-red)}
.df-faq details[open] .df-summary::after{content:"−"}
.df-faq__content{padding:0 var(--df-space-5) var(--df-space-5);color:var(--df-text-muted)}
.df-faq__content p{margin:0}

.df-notice{padding:var(--df-space-5);border:1px solid var(--df-border);border-left:4px solid var(--df-brand-navy);border-radius:var(--df-radius-md);background:var(--df-bg-soft)}
.df-notice--info{border-left-color:#2d6da3}
.df-notice--warning{border-left-color:var(--df-warning);background:#fffaf0}
.df-notice__title{margin:0 0 var(--df-space-2);font-weight:800;color:var(--df-text-strong)}
.df-notice p{margin:0;color:var(--df-text-muted)}

.df-header-demo{display:flex;align-items:center;justify-content:space-between;gap:var(--df-space-5);min-height:80px;padding:var(--df-space-3) var(--df-space-5);border:1px solid var(--df-border);border-radius:var(--df-radius-lg);background:#fff;box-shadow:var(--df-shadow-sm)}
.df-header-demo__brand{font-weight:800;color:var(--df-brand-navy)}
.df-header-demo__nav{display:flex;align-items:center;gap:var(--df-space-5);min-width:0}
.df-header-demo__nav a:not(.df-btn){font-weight:700;color:var(--df-text-strong);text-decoration:none}
.df-language{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;border:1px solid var(--df-border);border-radius:var(--df-radius-pill);background:#fff;font-weight:700;color:var(--df-text-strong)}

@media(max-width:1199px){
  .df-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:920px){
  :root{--df-gutter:24px;--df-section-space:72px}
  .df-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .df-expert{grid-template-columns:72px minmax(0,1fr);gap:var(--df-space-4)}
  .df-expert__photo{width:72px}
  .df-header-demo__nav{gap:var(--df-space-3)}
}

@media(max-width:650px){
  :root{--df-gutter:16px;--df-section-space:60px}
  .df-grid--2,.df-grid--3,.df-grid--4{grid-template-columns:1fr}
  .df-card{padding:var(--df-space-5)}
  .df-actions{align-items:stretch}
  .df-actions .df-btn{width:100%}
  .df-header-demo{align-items:flex-start;flex-direction:column}
  .df-header-demo__nav{width:100%;align-items:stretch;flex-direction:column}
}

@media(max-width:360px){
  .df-process__step{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){
  .df-scope *{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .df-btn:hover,a.df-card:hover{transform:none}
}