/* ===========================================================
   Travelligence — shared stylesheet
   Theme: cool "intelligence" — slate/white + indigo→cyan, Space Grotesk
   =========================================================== */
:root{
  --bg:#f4f6fb;          /* cool light page */
  --card:#ffffff;
  --field:#eef2fa;       /* inputs / output */
  --border:rgba(15,23,42,.12);
  --border-strong:rgba(15,23,42,.24);
  --ink:#0f172a;         /* navy headings */
  --body:#3b4658;
  --soft:#64748b;
  --accent:#4f46e5;      /* indigo */
  --accent2:#0891b2;     /* cyan */
  --danger:#dc2626; --warn:#b8791b; --ok:#15926a;
  --radius:14px; --maxw:1080px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  font-family:"Space Grotesk","Inter",sans-serif;color:var(--ink);
  line-height:1.16;font-weight:600;margin:0 0 .5em;letter-spacing:-.2px;
}
h1{font-size:clamp(2rem,5.2vw,3.1rem);font-weight:700}
h2{font-size:clamp(1.5rem,3.6vw,2.15rem);margin-top:1.4em}
h3{font-size:clamp(1.15rem,2.5vw,1.4rem);font-weight:600;margin-top:1.2em}
p{margin:0 0 1em}
small,.soft{color:var(--soft)}
strong{color:var(--ink)}

a{color:var(--accent);text-decoration:none;font-weight:600}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,
textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
code,kbd,samp,.mono{font-family:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:58px 0}
.section--tight{padding:38px 0}
.grid{display:grid;gap:22px}
@media(min-width:760px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}}
.center{text-align:center}
.lede{font-size:1.16rem;color:var(--body);max-width:62ch}
.center .lede{margin-inline:auto}

.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;font-weight:700;z-index:200}
.skip:focus{left:12px;top:12px}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,246,251,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.2rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{display:block}
.site-header .brand img{height:50px;width:auto}
@media(max-width:520px){.site-header .brand img{height:42px}}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{display:flex;align-items:center;padding:9px 13px;border-radius:10px;color:var(--body);font-weight:600;min-height:44px}
.nav-links a:hover{background:var(--card);color:var(--ink);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--accent)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--border-strong);color:var(--ink);border-radius:10px;width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:24px;height:24px}
@media(max-width:760px){
  .nav-toggle{display:inline-flex}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--card);border-bottom:1px solid var(--border);padding:10px 16px 16px;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:1rem;padding:13px 22px;min-height:46px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .06s ease,filter .15s ease;line-height:1}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-secondary{background:transparent;color:var(--body);border-color:var(--border-strong)}
.btn-secondary:hover{background:var(--card);color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn-sm{padding:9px 16px;min-height:40px;font-size:.9rem}

/* cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.card h3{margin-top:0}
.card.lift{transition:transform .15s ease,box-shadow .15s ease}
.card.lift:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(15,23,42,.12)}

/* hero */
.hero{padding:74px 0 46px;background:linear-gradient(135deg,#4f46e5 0%,#6366f1 45%,#0891b2 100%);color:#fff;position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#fff}
.hero .lede,.hero p{color:#eef0ff}
.hero a{color:#fff}
.hero .btn-primary{background:#fff;color:#27227a;border-color:#fff}
.hero .btn-primary:hover{filter:none;background:#eef0ff}
.hero .btn-secondary{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6)}
.hero .btn-secondary:hover{background:rgba(255,255,255,.24);color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:1.4px;text-transform:uppercase;color:var(--accent);background:rgba(79,70,229,.10);border:1px solid rgba(79,70,229,.30);padding:6px 12px;border-radius:999px;margin-bottom:18px}
.hero .eyebrow{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.48);color:#fff}
.pill{display:inline-block;font-size:.78rem;font-weight:700;color:var(--accent);background:#e7e5fb;border:1px solid #d2cef7;border-radius:999px;padding:4px 12px}
.grad-text{background:linear-gradient(90deg,#4f46e5,#0891b2);-webkit-background-clip:text;background-clip:text;color:transparent}

/* feature icons */
.feature h3{display:flex;align-items:center;gap:10px;margin-top:0}
.feature .ico{width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:rgba(79,70,229,.12);border:1px solid rgba(79,70,229,.28);flex:none;font-size:1.2rem}
.feature .ico.alt{background:rgba(8,145,178,.14);border-color:rgba(8,145,178,.32)}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:4px 18px;margin-bottom:12px}
.faq summary{cursor:pointer;font-family:"Space Grotesk",sans-serif;font-weight:600;color:var(--ink);padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.4rem;font-weight:700}
.faq details[open] summary::after{content:"\2013"}
.faq details[open] summary{border-bottom:1px solid var(--border)}
.faq details p{padding:14px 0 4px;margin:0}

/* blog */
.post-card{display:flex;flex-direction:column;height:100%}
.post-card .meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px;font-size:.82rem;color:var(--soft)}
.tag{font-family:"JetBrains Mono",monospace;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--accent2);background:rgba(8,145,178,.12);border:1px solid rgba(8,145,178,.3);border-radius:999px;padding:4px 10px}
.post-card h3{margin:0 0 8px}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--accent)}
.post-card p{color:var(--body);flex:1}
.post-card .more{margin-top:6px}

/* article */
.article{max-width:760px;margin:0 auto}
.article .meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;color:var(--soft);font-size:.88rem;margin-bottom:8px}
.article p,.article li{color:var(--body)}
.article h2{border-top:1px solid var(--border);padding-top:1.1em}
.article ul,.article ol{padding-left:1.3em}
.article li{margin-bottom:.5em}
.breadcrumbs,.crumbs{font-size:.85rem;color:var(--soft);margin-bottom:18px}
.breadcrumbs a,.crumbs a{color:var(--soft)}
.breadcrumbs a:hover,.crumbs a:hover{color:var(--accent)}
.callout{background:var(--card);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:10px;padding:16px 20px;margin:22px 0}
.callout p:last-child{margin-bottom:0}
.disclosure{background:#fff7ed;border:1px solid #fcd9b6;border-radius:12px;padding:14px 18px;font-size:.92rem;color:#7c4a12;margin:18px 0}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin:34px 0}
.author-box .avatar{width:58px;height:58px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-family:"Space Grotesk",sans-serif;font-weight:700;color:#fff;font-size:1.3rem}
.author-box h4{margin:0 0 4px;color:var(--ink);font-family:"Space Grotesk",sans-serif}
.author-box p{margin:0;font-size:.92rem;color:var(--body)}

/* criteria table */
.crit-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.crit-table th,.crit-table td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--border);vertical-align:top}
.crit-table th{background:var(--field);font-family:"Space Grotesk",sans-serif;color:var(--ink)}
.crit-table td.good{color:#0e8f5a;font-weight:700}
.crit-table td.bad{color:#c0364f;font-weight:700}

/* forms */
.form-field{margin-bottom:18px}
.form-field label{display:block;font-weight:700;color:var(--ink);margin-bottom:7px;font-family:"Inter",sans-serif}
.form-field input,.form-field textarea,.form-field select{width:100%;background:var(--field);color:var(--ink);border:1px solid var(--border-strong);border-radius:12px;padding:13px 14px;font:inherit;min-height:48px}
.form-field textarea{min-height:140px;resize:vertical}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--soft)}
.req{color:var(--accent2)}
.lead-ok{display:none;margin-top:14px;padding:13px 16px;border-radius:12px;background:rgba(21,146,106,.12);border:1px solid rgba(21,146,106,.4);color:#0c6b4d;font-weight:600}
.lead-ok.show{display:block}

/* ===========================================================
   TOOLS (Avios value calc · flight-delay checker)
   =========================================================== */
.tool{background:var(--card);border:1px solid var(--border-strong);border-radius:var(--radius);padding:24px}
@media(min-width:720px){.tool{padding:30px}}
.tool-grid{display:grid;gap:24px}
@media(min-width:860px){.tool-grid{grid-template-columns:1.05fr .95fr;align-items:start}}
.controls{display:grid;gap:18px}
.field-row label{display:block;font-weight:700;color:var(--ink);margin-bottom:8px;font-family:"Inter",sans-serif}
.field-row .hint{font-weight:400;color:var(--soft);font-size:.86rem}
.input-money{position:relative}
.input-money .cur{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--soft);font-weight:700}
.input-money input{padding-left:30px}
.field-row input,.field-row select{width:100%;background:var(--field);color:var(--ink);border:1px solid var(--border-strong);border-radius:12px;padding:13px 14px;font:inherit;min-height:48px}
.inline-2{display:grid;gap:14px}
@media(min-width:520px){.inline-2{grid-template-columns:1fr 1fr}}

.result{background:var(--field);border:1px solid var(--border-strong);border-radius:14px;padding:22px;position:sticky;top:84px}
.result h3{margin-top:0}
.result-total{font-family:"Space Grotesk",sans-serif;font-weight:700;color:var(--ink);font-size:clamp(1.9rem,6vw,2.7rem);line-height:1.05;margin:6px 0 2px}
.result-sub{color:var(--soft);font-size:.92rem;margin-bottom:14px}
.breakdown{list-style:none;padding:0;margin:0}
.breakdown li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--border)}
.breakdown li:last-child{border-bottom:0}
.breakdown .lbl{color:var(--body)}
.breakdown .val{font-family:"JetBrains Mono",monospace;font-weight:700;color:var(--ink)}
.breakdown li.total{border-top:2px solid var(--border-strong);border-bottom:0;margin-top:6px;padding-top:12px}
.breakdown li.total .val{color:var(--accent)}

/* value verdict band */
.vband{display:inline-block;font-family:"Space Grotesk",sans-serif;font-weight:700;border-radius:999px;padding:5px 14px;font-size:.9rem;margin-top:4px}
.vband.good{background:rgba(21,146,106,.14);color:#0c7350;border:1px solid rgba(21,146,106,.4)}
.vband.ok{background:rgba(184,121,27,.14);color:#8a5a12;border:1px solid rgba(184,121,27,.4)}
.vband.poor{background:rgba(220,38,38,.12);color:#a52121;border:1px solid rgba(220,38,38,.36)}

/* segmented choice (delay checker) */
.qblock{margin-bottom:6px}
.qblock>span.q{display:block;font-weight:700;color:var(--ink);margin-bottom:10px;font-family:"Inter",sans-serif}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{font-family:"Inter",sans-serif;font-weight:600;font-size:.92rem;background:var(--field);color:var(--body);border:1px solid var(--border-strong);border-radius:12px;padding:10px 15px;min-height:44px;cursor:pointer;transition:.12s}
.seg button:hover{border-color:var(--accent);color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--accent);color:#fff;border-color:var(--accent)}

/* verdict panel (delay checker) */
.verdict{border-radius:14px;padding:22px;border:1px solid var(--border-strong);border-left-width:5px;background:var(--card)}
.verdict h3{margin-top:0}
.verdict.yes{border-left-color:var(--ok);background:rgba(21,146,106,.06)}
.verdict.maybe{border-left-color:var(--warn);background:rgba(184,121,27,.06)}
.verdict.no{border-left-color:var(--soft);background:var(--field)}
.verdict .vhead{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.3rem;color:var(--ink);margin-bottom:8px;display:flex;gap:10px;align-items:center}
.verdict .amount{font-family:"Space Grotesk",sans-serif;font-weight:700;color:var(--accent);font-size:clamp(1.6rem,5vw,2.2rem);margin:6px 0}

.privacy-note{display:flex;gap:10px;align-items:flex-start;margin-top:18px;padding:13px 15px;background:rgba(79,70,229,.07);border:1px solid rgba(79,70,229,.22);border-radius:12px;color:var(--body);font-size:.92rem}
.privacy-note svg{flex:none;margin-top:2px}

.list-clean{list-style:none;padding:0;margin:0}
.list-clean li{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}
.list-clean .dot{color:var(--accent);font-weight:700;flex:none}

/* 404 */
.error-hero{text-align:center;padding:80px 0}
.error-code{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:clamp(4rem,18vw,9rem);color:var(--accent);line-height:1;margin:0}

/* footer */
.site-footer{border-top:1px solid var(--border);background:#e9edf6;padding:44px 0 30px;margin-top:42px}
.footer-grid{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
@media(min-width:680px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:1px;color:var(--soft);font-family:"JetBrains Mono",monospace;margin:0 0 12px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:9px}
.footer-grid a{color:var(--body);font-weight:500}
.footer-grid a:hover{color:var(--accent)}
.footer-brand p{font-size:.92rem;color:var(--soft);max-width:40ch;margin:.6em 0 0}
.footer-bottom{border-top:1px solid var(--border);margin-top:28px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:.85rem;color:var(--soft)}

/* GDPR popup */
.gdpr{position:fixed;left:0;right:0;bottom:0;z-index:300;transform:translateY(130%);transition:transform .45s cubic-bezier(.16,1,.3,1);padding:14px}
.gdpr.show{transform:translateY(0)}
.gdpr-inner{max-width:980px;margin:0 auto;background:#0f172a;color:#e6ecf6;border:1px solid rgba(255,255,255,.16);border-radius:16px;box-shadow:0 14px 44px rgba(15,23,42,.4);padding:16px 20px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.gdpr-text{font-size:.92rem;max-width:62ch;line-height:1.55}
.gdpr-text strong{color:#fff}
.gdpr-text a{color:#7dd3fc;font-weight:600}
.gdpr-actions{display:flex;gap:10px;flex-wrap:wrap}
.gdpr .btn-secondary{background:transparent;color:#e6ecf6;border-color:rgba(255,255,255,.45)}
.gdpr .btn-secondary:hover{background:rgba(255,255,255,.1);color:#fff}
@media(max-width:600px){.gdpr-inner{flex-direction:column;align-items:stretch}.gdpr-actions{justify-content:stretch}.gdpr-actions .btn{flex:1}}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}