/* FoodFlow by Archilion — Shared Design System
   Navy #0f172a · Blue #2563eb · Cyan #06b6d4 · Font Inter
   3 languages: EN (default) · DE · VI
*/

:root{
  --navy:#0f172a;
  --navy-2:#1e293b;
  --blue:#2563eb;
  --blue-hover:#1d4ed8;
  --cyan:#06b6d4;
  --gray-50:#f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-400:#94a3b8;
  --gray-600:#475569;
  --gray-700:#334155;
  --green:#059669;
  --amber:#f59e0b;
  --red:#ef4444;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--navy);
  line-height:1.6;
  background:white;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;display:block}

/* =================== LANGUAGE VISIBILITY =================== */
/* Default: show EN. Hide DE+VI. */
.lang-en{display:block}
.lang-de,.lang-vi{display:none}
span.lang-en{display:inline}
span.lang-de,span.lang-vi{display:none}

html[data-lang="de"] .lang-en,html[data-lang="de"] span.lang-en{display:none}
html[data-lang="de"] .lang-de{display:block}
html[data-lang="de"] span.lang-de{display:inline}

html[data-lang="vi"] .lang-en,html[data-lang="vi"] span.lang-en{display:none}
html[data-lang="vi"] .lang-vi{display:block}
html[data-lang="vi"] span.lang-vi{display:inline}

/* Inline lang spans inside buttons / pills should always be inline when visible */
.ff-page li.lang-en,.ff-page li.lang-de,.ff-page li.lang-vi{display:none}
.ff-page ul.lang-en li,.ff-page ul.lang-de li,.ff-page ul.lang-vi li{display:list-item}
.ff-page ul.lang-en{display:none}
html:not([data-lang]) .ff-page ul.lang-en,html[data-lang="en"] .ff-page ul.lang-en{display:block}
html[data-lang="de"] .ff-page ul.lang-de{display:block}
html[data-lang="vi"] .ff-page ul.lang-vi{display:block}
html[data-lang="de"] .ff-page ul.lang-en,html[data-lang="vi"] .ff-page ul.lang-en{display:none}

/* =================== NAV (TOP HEADER) =================== */
.ff-nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--gray-200);
}
.ff-nav-inner{
  max-width:1200px;margin:0 auto;
  padding:.85rem 1.5rem;
  display:flex;align-items:center;gap:2rem;
}
.ff-nav-logo{
  font-size:1.2rem;font-weight:800;letter-spacing:-.02em;
  color:var(--navy);display:flex;align-items:center;gap:.5rem;
}
.ff-nav-logo .dot{color:var(--blue)}
.ff-nav-menu{
  display:flex;gap:.35rem;list-style:none;flex:1;
}
.ff-nav-menu>li{position:relative}
.ff-nav-menu>li>a,.ff-nav-menu>li>button{
  display:inline-flex;align-items:center;gap:.25rem;
  padding:.55rem .85rem;border-radius:8px;
  color:var(--gray-700);font-weight:500;font-size:.95rem;
  background:transparent;border:none;cursor:pointer;font-family:inherit;
  transition:all .15s;
}
.ff-nav-menu>li>a:hover,.ff-nav-menu>li>button:hover{background:var(--gray-100);color:var(--navy)}
.ff-nav-menu>li>a.active{color:var(--blue);background:rgba(37,99,235,.08)}
.ff-nav-menu .caret{font-size:.7rem;opacity:.6}

.ff-nav-dropdown{
  position:absolute;top:calc(100% + .35rem);left:0;min-width:260px;
  background:white;border:1px solid var(--gray-200);border-radius:12px;
  box-shadow:0 20px 50px rgba(15,23,42,.12);
  padding:.5rem;opacity:0;pointer-events:none;
  transform:translateY(-6px);transition:all .15s;
  list-style:none;
}
.ff-nav-menu>li:hover .ff-nav-dropdown,
.ff-nav-menu>li:focus-within .ff-nav-dropdown,
.ff-nav-menu>li.open .ff-nav-dropdown{
  opacity:1;pointer-events:auto;transform:translateY(0);
}
.ff-nav-dropdown a{
  display:block;padding:.65rem .85rem;border-radius:8px;
  color:var(--gray-700);font-size:.92rem;font-weight:500;
}
.ff-nav-dropdown a:hover{background:var(--gray-50);color:var(--navy)}
.ff-nav-dropdown a small{display:block;color:var(--gray-400);font-weight:400;font-size:.78rem;margin-top:.15rem}

.ff-nav-right{display:flex;align-items:center;gap:.6rem}
.ff-lang-switch{
  display:flex;gap:.15rem;
  background:var(--gray-100);
  padding:.2rem;border-radius:99px;
}
.ff-lang-switch button{
  background:transparent;border:none;
  padding:.3rem .7rem;border-radius:99px;
  font-size:.78rem;font-weight:600;cursor:pointer;
  color:var(--gray-600);font-family:inherit;transition:all .15s;
}
.ff-lang-switch button.active{background:var(--navy);color:white}
.ff-lang-switch button:hover:not(.active){color:var(--navy)}

.ff-mobile-toggle{display:none;background:none;border:none;padding:.4rem;cursor:pointer;font-size:1.4rem;color:var(--navy)}

/* =================== PAGE LAYOUT =================== */
.ff-page{background:white}
.ff-page .container{max-width:1100px;margin:0 auto;padding:0 2rem}
.ff-page section{padding:5rem 0}
.ff-bg-alt{background:var(--gray-50)}

/* =================== HERO =================== */
.ff-hero{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);
  color:white;padding:6rem 0 5rem;text-align:center;
}
.ff-hero-sub{padding:4rem 0 3rem}
.ff-hero .eyebrow{
  font-size:.8rem;letter-spacing:.15em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:1.25rem;font-weight:600;
}
.ff-hero h1{
  font-size:3.15rem;font-weight:800;line-height:1.1;
  margin-bottom:1.25rem;letter-spacing:-.02em;color:white;
}
.ff-hero-sub h1{font-size:2.4rem}
.ff-hero .sub{
  font-size:1.15rem;color:rgba(255,255,255,.78);
  max-width:720px;margin:0 auto 2rem;
}
.ff-hero .ctas{display:flex;gap:.85rem;justify-content:center;flex-wrap:wrap}
.ff-hero-img{max-width:600px;margin:2.5rem auto 0;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.ff-trust{margin-top:1.75rem;font-size:.88rem;color:rgba(255,255,255,.6)}

/* =================== BUTTONS =================== */
.ff-btn{
  display:inline-block;padding:.9rem 2rem;border-radius:10px;
  text-decoration:none;font-weight:600;font-size:.98rem;
  transition:all .18s;border:none;cursor:pointer;font-family:inherit;
}
.ff-btn-primary{background:var(--blue);color:white!important}
.ff-btn-primary:hover{background:var(--blue-hover);transform:translateY(-2px);box-shadow:0 10px 30px rgba(37,99,235,.3)}
.ff-btn-secondary{background:rgba(255,255,255,.1);color:white!important;border:1px solid rgba(255,255,255,.2)}
.ff-btn-secondary:hover{background:rgba(255,255,255,.2)}
.ff-btn-outline{background:transparent;color:var(--navy)!important;border:1px solid var(--gray-200)}
.ff-btn-outline:hover{border-color:var(--blue);color:var(--blue)!important}
.ff-btn-dark{background:var(--navy);color:white!important}
.ff-btn-dark:hover{background:var(--navy-2)}

/* =================== HEADINGS =================== */
.ff-page h2{
  font-size:2.4rem;font-weight:800;text-align:center;
  margin-bottom:2.5rem;letter-spacing:-.02em;color:var(--navy);
}
.ff-eyebrow{
  font-size:.78rem;letter-spacing:.15em;color:var(--blue);
  text-transform:uppercase;margin-bottom:.75rem;font-weight:700;text-align:center;
}

/* =================== COMPARE TABLE =================== */
.ff-compare-table{
  max-width:800px;margin:0 auto;background:white;
  border-radius:16px;overflow:hidden;
  box-shadow:0 4px 20px rgba(0,0,0,.06);
  border:1px solid var(--gray-200);
}
.ff-compare-table table{width:100%;border-collapse:collapse}
.ff-compare-table th{
  background:var(--gray-50);padding:1.35rem 1.2rem;
  text-align:left;font-size:.95rem;font-weight:700;
  color:var(--navy);border-bottom:1px solid var(--gray-200);
}
.ff-compare-table th:last-child{background:linear-gradient(135deg,#059669,#10b981);color:white}
.ff-compare-table td{padding:1.15rem;border-bottom:1px solid var(--gray-200);font-size:.93rem}
.ff-compare-table td:first-child{color:var(--red)}
.ff-compare-table td:last-child{font-weight:600;color:var(--green)}
.ff-compare-table tr:last-child td{border-bottom:none}

/* =================== FEATURE GRID =================== */
.ff-features{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:1.4rem;max-width:1000px;margin:0 auto;
}
.ff-feature{
  background:white;padding:1.8rem;border-radius:16px;
  border:1px solid var(--gray-200);transition:all .2s;
}
.ff-feature:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.08);border-color:var(--blue)}
.ff-feature .icon{font-size:2.3rem;margin-bottom:.85rem}
.ff-feature h3{font-size:1.15rem;margin-bottom:.4rem;font-weight:700;color:var(--navy)}
.ff-feature p{color:var(--gray-600);font-size:.93rem}
.ff-feature a{display:inline-block;margin-top:.75rem;font-size:.88rem;color:var(--blue);font-weight:600}
.ff-feature a:hover{text-decoration:underline}

/* =================== SHOWCASE =================== */
.ff-showcase{
  display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;
  align-items:center;max-width:1100px;margin:0 auto;
}
.ff-showcase.reverse .ff-showcase-img{order:2}
.ff-showcase-img img{width:100%;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.12)}
.ff-showcase-text h3{font-size:1.8rem;font-weight:800;margin-bottom:.85rem;line-height:1.2;color:var(--navy)}
.ff-showcase-text p{font-size:1rem;color:var(--gray-600);line-height:1.7;margin-bottom:.85rem}
.ff-showcase-text ul{list-style:none;padding:0;margin-top:1.25rem}
.ff-showcase-text li{padding:.35rem 0;padding-left:1.7rem;position:relative;color:var(--gray-600);font-size:.95rem}
.ff-showcase-text li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700;font-size:1.05rem}
.ff-showcase-text .pill{
  display:inline-block;padding:.25rem .85rem;background:rgba(37,99,235,.1);
  color:var(--blue);border-radius:99px;font-size:.78rem;
  font-weight:600;letter-spacing:.05em;margin-bottom:.85rem;text-transform:uppercase;
}

/* =================== PRICING =================== */
.ff-pricing{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:1.25rem;max-width:1100px;margin:0 auto;
}
.ff-plan{
  background:white;padding:2rem 1.5rem;border-radius:16px;
  border:1px solid var(--gray-200);position:relative;
  display:flex;flex-direction:column;
}
.ff-plan.featured{border:2px solid var(--blue);box-shadow:0 20px 40px rgba(37,99,235,.15);transform:scale(1.02)}
.ff-plan .label{
  position:absolute;top:-.75rem;left:50%;transform:translateX(-50%);
  background:var(--blue);color:white;padding:.3rem .85rem;
  border-radius:99px;font-size:.72rem;font-weight:700;
  letter-spacing:.05em;white-space:nowrap;
}
.ff-plan h3{font-size:1.1rem;margin-bottom:.2rem;color:var(--navy)}
.ff-plan .subtitle{font-size:.8rem;color:var(--gray-600);margin-bottom:1rem}
.ff-plan .price{font-size:2.4rem;font-weight:800;color:var(--navy);line-height:1}
.ff-plan .price small{font-size:.88rem;color:var(--gray-600);font-weight:400}
.ff-plan .setup{font-size:.78rem;color:var(--gray-600);margin-top:.5rem;padding-bottom:1rem;border-bottom:1px solid var(--gray-200)}
.ff-plan ul{list-style:none;padding:0;margin:1rem 0;flex-grow:1}
.ff-plan li{padding:.35rem 0;padding-left:1.4rem;position:relative;font-size:.88rem;color:var(--gray-600)}
.ff-plan li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.ff-plan .ff-btn{width:100%;text-align:center;margin-top:1rem}
.ff-footnote{text-align:center;color:var(--gray-600);font-size:.88rem;margin-top:2rem}

/* =================== ZONES =================== */
.ff-zones{max-width:900px;margin:0 auto}
.ff-zone{
  display:grid;grid-template-columns:180px 160px 1fr 120px;gap:1rem;
  padding:1.2rem;border-bottom:1px solid var(--gray-200);
  align-items:center;font-size:.93rem;
}
.ff-zone:last-child{border:none}
.ff-zone strong{color:var(--navy)}
.ff-zone .zone-price{text-align:right;font-weight:700;color:var(--green)}

/* =================== REFS =================== */
.ff-refs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;max-width:1100px;margin:0 auto}
.ff-ref{background:white;padding:1.4rem;border-radius:14px;border:1px solid var(--gray-200);text-align:center}
.ff-ref .emoji{font-size:2.2rem;margin-bottom:.7rem}
.ff-ref h4{font-size:1.05rem;margin-bottom:.2rem;color:var(--navy)}
.ff-ref .city{color:var(--gray-600);font-size:.85rem;margin-bottom:.5rem}
.ff-ref .quote{color:var(--gray-600);font-size:.85rem;font-style:italic;padding-top:.5rem;border-top:1px solid var(--gray-200);margin-top:.5rem}

/* =================== STEPS =================== */
.ff-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem;counter-reset:step;max-width:1000px;margin:0 auto}
.ff-step{position:relative;padding-top:3.5rem;counter-increment:step}
.ff-step::before{
  content:counter(step);position:absolute;top:0;left:0;
  width:2.6rem;height:2.6rem;background:var(--blue);color:white;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.2rem;
}
.ff-step h3{font-size:1.15rem;margin-bottom:.4rem;color:var(--navy)}
.ff-step p{color:var(--gray-600);font-size:.95rem}

/* =================== FAQ =================== */
.ff-faq{max-width:750px;margin:0 auto}
.ff-faq details{background:white;border:1px solid var(--gray-200);border-radius:12px;margin-bottom:.75rem;overflow:hidden}
.ff-faq summary{padding:1.15rem 1.4rem;cursor:pointer;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:.95rem}
.ff-faq summary::-webkit-details-marker{display:none}
.ff-faq summary::after{content:"+";font-size:1.5rem;color:var(--blue)}
.ff-faq details[open] summary::after{content:"−"}
.ff-faq details[open] summary{border-bottom:1px solid var(--gray-200)}
.ff-faq p{padding:1.15rem 1.4rem;color:var(--gray-600);line-height:1.7;font-size:.93rem}

/* =================== CTA BLOCK =================== */
.ff-cta-block{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);
  color:white;text-align:center;padding:4.5rem 2rem;
  border-radius:24px;margin:3rem auto;max-width:1000px;
}
.ff-cta-block h2{color:white;font-size:2.1rem;margin-bottom:.85rem}
.ff-cta-block p{color:rgba(255,255,255,.78);font-size:1.1rem;margin-bottom:2rem}
.ff-cta-block .ctas{display:flex;gap:.85rem;justify-content:center;flex-wrap:wrap}
.ff-contact-info{margin-top:2.3rem;padding-top:1.8rem;border-top:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.75);font-size:.93rem}
.ff-contact-info a{color:var(--cyan)}

/* =================== STAT CARDS =================== */
.ff-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;max-width:1000px;margin:0 auto}
.ff-stat{background:white;padding:2rem 1.5rem;border-radius:16px;border:1px solid var(--gray-200);text-align:center}
.ff-stat .num{font-size:2.75rem;font-weight:800;color:var(--blue);line-height:1}
.ff-stat .label{color:var(--gray-600);font-size:.9rem;margin-top:.35rem}

/* =================== FORMS =================== */
.ff-form{max-width:620px;margin:0 auto;background:white;padding:2.5rem;border-radius:20px;border:1px solid var(--gray-200);box-shadow:0 20px 60px rgba(15,23,42,.06)}
.ff-form label{display:block;font-size:.88rem;font-weight:600;color:var(--navy);margin-bottom:.4rem;margin-top:1rem}
.ff-form input,.ff-form select,.ff-form textarea{
  width:100%;padding:.75rem 1rem;border:1px solid var(--gray-200);
  border-radius:10px;font-family:inherit;font-size:.95rem;
  transition:all .15s;
}
.ff-form input:focus,.ff-form select:focus,.ff-form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.ff-form textarea{resize:vertical;min-height:100px}
.ff-form button{margin-top:1.5rem;width:100%}

/* =================== BREADCRUMB =================== */
.ff-breadcrumb{max-width:1100px;margin:0 auto;padding:1.25rem 2rem 0;font-size:.85rem;color:var(--gray-600)}
.ff-breadcrumb a{color:var(--gray-600)}
.ff-breadcrumb a:hover{color:var(--blue)}
.ff-breadcrumb .sep{margin:0 .5rem;color:var(--gray-400)}

/* =================== FOOTER =================== */
.ff-footer{background:var(--navy);color:rgba(255,255,255,.75);padding:4rem 0 2rem;margin-top:4rem}
.ff-footer-grid{max-width:1200px;margin:0 auto;padding:0 2rem;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:3rem}
.ff-footer h5{color:white;font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem;font-weight:700}
.ff-footer ul{list-style:none;padding:0}
.ff-footer li{margin-bottom:.55rem;font-size:.88rem}
.ff-footer a{color:rgba(255,255,255,.65);transition:color .15s}
.ff-footer a:hover{color:var(--cyan)}
.ff-footer-brand .logo{font-size:1.35rem;font-weight:800;color:white;margin-bottom:.85rem;display:inline-block}
.ff-footer-brand .logo .dot{color:var(--cyan)}
.ff-footer-brand p{font-size:.88rem;line-height:1.65;color:rgba(255,255,255,.6);max-width:300px}
.ff-footer-bottom{max-width:1200px;margin:3rem auto 0;padding:2rem 2rem 0;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.82rem;color:rgba(255,255,255,.55)}
.ff-footer-bottom a{color:rgba(255,255,255,.55);margin:0 .5rem}

/* =================== RESPONSIVE =================== */
@media(max-width:960px){
  .ff-footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .ff-nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:white;flex-direction:column;padding:1rem;box-shadow:0 10px 30px rgba(0,0,0,.1);border-top:1px solid var(--gray-200)}
  .ff-nav-menu.open{display:flex}
  .ff-nav-menu>li{width:100%}
  .ff-nav-menu>li>a,.ff-nav-menu>li>button{width:100%;justify-content:space-between}
  .ff-nav-dropdown{position:static;box-shadow:none;border:none;margin-left:1rem;margin-top:.25rem;padding:.25rem 0;opacity:1;pointer-events:auto;transform:none;display:none}
  .ff-nav-menu>li.open .ff-nav-dropdown{display:block}
  .ff-mobile-toggle{display:block}
}
@media(max-width:768px){
  .ff-hero h1{font-size:2rem}
  .ff-hero-sub h1{font-size:1.65rem}
  .ff-page h2{font-size:1.65rem}
  .ff-page .container{padding:0 1.25rem}
  .ff-page section{padding:3.5rem 0}
  .ff-zone{grid-template-columns:1fr;gap:.4rem;padding:1rem 0}
  .ff-zone .zone-price{text-align:left}
  .ff-compare-table{font-size:.85rem}
  .ff-compare-table th,.ff-compare-table td{padding:.85rem}
  .ff-showcase{grid-template-columns:1fr;gap:2rem}
  .ff-showcase.reverse .ff-showcase-img{order:0}
  .ff-hero-img{max-width:100%}
  .ff-cta-block{padding:3rem 1.5rem}
  .ff-form{padding:1.5rem}
  .ff-footer-grid{grid-template-columns:1fr 1fr}
}