/* ===========================================================================
   iStayCondo — Design System
   Plain CSS. No build step. Works on any static host.
   =========================================================================== */

:root {
  /* Brand palette */
  --navy:       #0f2740;
  --navy-2:     #163758;
  --teal:       #0ea5a4;
  --teal-dark:  #0b7d7c;
  --gold:       #e0a458;
  --ink:        #16202b;
  --body:       #34424f;
  --muted:      #6b7a89;
  --line:       #e4e9ef;
  --line-2:     #eef2f6;
  --bg:         #ffffff;
  --bg-soft:    #f6f8fb;
  --bg-softer:  #fbfcfe;
  --white:      #ffffff;

  /* Semantic */
  --ok:    #17936a;
  --ok-bg: #e5f4ee;
  --warn:  #b9791b;
  --warn-bg:#fbf0dd;
  --bad:   #c0392b;
  --bad-bg:#fbe9e7;

  /* Data-viz categorical (accessible, distinct) */
  --c1:#0ea5a4; --c2:#3b6fb0; --c3:#e0a458; --c4:#9b6bcc; --c5:#e0736b; --c6:#5aa469;

  --radius:   14px;
  --radius-sm:10px;
  --radius-lg:22px;
  --shadow:   0 1px 2px rgba(16,39,64,.05), 0 6px 22px rgba(16,39,64,.07);
  --shadow-lg:0 20px 50px rgba(16,39,64,.16);
  --maxw: 1180px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--body);background:var(--bg);
  line-height:1.62;font-size:16.5px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .5em;font-weight:750;letter-spacing:-.01em}
h1{font-size:2.4rem}h2{font-size:1.8rem}h3{font-size:1.28rem}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:820px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;font-weight:700;color:var(--teal-dark)}
.muted{color:var(--muted)}
.center{text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;justify-content:center;
  padding:.72em 1.3em;border-radius:999px;font-weight:650;font-size:.98rem;
  border:1.5px solid transparent;cursor:pointer;transition:.16s ease;text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(14,165,164,.28)}
.btn-primary:hover{background:var(--teal-dark)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-dark)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.22)}
.btn-lg{padding:.9em 1.7em;font-size:1.05rem}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:.6em;font-weight:800;font-size:1.2rem;color:var(--navy);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand .mark{width:34px;height:34px;display:grid;place-items:center}
.brand .mark svg{width:34px;height:34px;display:block}
.brand .wm{font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.brand .wm .tld{color:var(--teal-dark);font-weight:750}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--body);font-weight:550;font-size:.96rem;padding:.5em .8em;border-radius:8px}
.nav-links a:hover{background:var(--bg-soft);color:var(--navy);text-decoration:none}
.nav-links a.active{color:var(--teal-dark)}
.nav-cta{margin-left:.6em}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--navy)}
.hamburger svg{width:26px;height:26px}

@media(max-width:920px){
  .nav-links{position:fixed;inset:66px 0 auto 0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 16px 20px;gap:2px;
    transform:translateY(-120%);transition:transform .25s ease;box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.75em .7em;font-size:1.02rem}
  .nav-cta{margin:.4em 0 0}
  .hamburger{display:block}
}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;background:
   radial-gradient(1100px 500px at 78% -10%, rgba(14,165,164,.32), transparent 60%),
   linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 55%,#0c2036 100%);
   overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
   url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 59h60M59 0v60' stroke='%23ffffff' stroke-opacity='.05'/%3E%3C/svg%3E");pointer-events:none}
.hero.has-photo{overflow:hidden}
.hero .hero-photo{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.20;z-index:0}
.hero .container{position:relative;z-index:2;padding-top:74px;padding-bottom:82px}
.hero h1{color:#fff;font-size:3rem;max-width:14ch}
.hero .lead{font-size:1.24rem;color:#cdd9e6;max-width:56ch;margin-bottom:1.6em}
.hero .eyebrow{color:var(--gold)}
.hero-actions{display:flex;gap:.7em;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats .n{font-size:1.9rem;font-weight:800;color:#fff}
.hero-stats .l{color:#a9bace;font-size:.9rem}
@media(max-width:720px){.hero h1{font-size:2.2rem}.hero .lead{font-size:1.08rem}}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:640px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- cards / grid ---------- */
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);transition:.18s ease}
.card.link:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#d5deea}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:var(--teal);color:#fff;font-size:1.3rem}
.card .ic.alt{background:var(--navy)}
.card .ic.gold{background:var(--gold)}
.card h3{margin-bottom:.35em}
.card p{margin:0;color:var(--muted);font-size:.96rem}
.card .more{display:inline-block;margin-top:14px;font-weight:650;color:var(--teal-dark);font-size:.92rem}

/* tool tiles */
.tool-tile{display:flex;flex-direction:column;height:100%}
.tool-tile .more{margin-top:auto}

/* ---------- article cards ---------- */
.article-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.article-card .thumb{aspect-ratio:16/9;position:relative;overflow:hidden;background:var(--navy)}
.article-card .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}
.article-card.link:hover .thumb img{transform:scale(1.04)}
.article-card .thumb .cat{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--navy);
  font-size:.72rem;font-weight:700;padding:.3em .7em;border-radius:999px;text-transform:uppercase;letter-spacing:.05em;z-index:2}
.article-banner{width:100%;height:300px;overflow:hidden;background:var(--navy);position:relative}
.article-banner img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:640px){.article-banner{height:190px}}
.prose .figure-img{margin:1.8em 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.prose .figure-img img{width:100%;height:260px;object-fit:cover;display:block}
.prose .figure-img figcaption{padding:10px 16px;font-size:.85rem;color:var(--muted);background:var(--bg-soft)}
.article-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.article-card h3{font-size:1.1rem;margin-bottom:.4em}
.article-card .excerpt{color:var(--muted);font-size:.92rem;margin-bottom:14px;flex:1}
.article-card .meta{font-size:.8rem;color:var(--muted);display:flex;gap:.6em;align-items:center}
.badge-soon{background:var(--bg-soft);color:var(--muted);font-size:.7rem;font-weight:700;padding:.25em .6em;border-radius:999px;border:1px solid var(--line)}

/* ---------- forms / calculators ---------- */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:860px){.calc{grid-template-columns:1fr}}
.calc-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;color:var(--ink);font-size:.92rem;margin-bottom:6px}
.field .hint{font-weight:400;color:var(--muted);font-size:.82rem}
.input-wrap{position:relative;display:flex;align-items:center}
.input-wrap .pre{position:absolute;left:14px;color:var(--muted);font-weight:600;font-size:.95rem;pointer-events:none}
.input-wrap.has-pre input{padding-left:34px}
.input-wrap .suf{position:absolute;right:14px;color:var(--muted);font-weight:600;font-size:.9rem}
input[type=number],input[type=text],select{
  width:100%;padding:.7em .9em;border:1.5px solid var(--line);border-radius:10px;font-size:1rem;
  font-family:inherit;color:var(--ink);background:#fff;transition:.15s}
input:focus,select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(14,165,164,.14)}
input[type=range]{width:100%;accent-color:var(--teal)}
.range-row{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-top:2px}
.seg{display:inline-flex;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:none;padding:.5em 1em;border-radius:999px;font-weight:600;font-size:.9rem;color:var(--body);cursor:pointer}
.seg button.on{background:var(--teal);color:#fff;box-shadow:0 2px 8px rgba(14,165,164,.3)}

/* results */
.result-hero{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;border-radius:var(--radius);padding:24px;margin-bottom:18px}
.result-hero .lab{color:#a9bace;font-size:.86rem;text-transform:uppercase;letter-spacing:.08em}
.result-hero .big{font-size:2.5rem;font-weight:800;line-height:1.1;margin:.1em 0}
.result-row{display:flex;justify-content:space-between;padding:.6em 0;border-bottom:1px dashed var(--line)}
.result-row:last-child{border-bottom:0}
.result-row .k{color:var(--body)}
.result-row .v{font-weight:700;color:var(--ink)}
.result-row.total .v{color:var(--teal-dark);font-size:1.15rem}
.pill{display:inline-block;padding:.25em .7em;border-radius:999px;font-size:.8rem;font-weight:700}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.warn{background:var(--warn-bg);color:var(--warn)}
.pill.bad{background:var(--bad-bg);color:var(--bad)}
.meter{height:12px;border-radius:999px;background:var(--line-2);overflow:hidden;margin:.5em 0}
.meter > span{display:block;height:100%;border-radius:999px;background:var(--teal);transition:width .4s ease}
.meter > span.warn{background:var(--gold)}
.meter > span.bad{background:var(--bad)}

.callout{background:var(--bg-soft);border-left:4px solid var(--teal);border-radius:0 10px 10px 0;padding:14px 18px;margin:18px 0;font-size:.92rem}
.callout.warn{border-color:var(--gold);background:var(--warn-bg)}

/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:26px;flex-wrap:wrap}
.tabs button{border:0;background:none;padding:.8em 1.1em;font-weight:650;color:var(--muted);cursor:pointer;
  border-bottom:2.5px solid transparent;font-size:.98rem}
.tabs button.on{color:var(--teal-dark);border-color:var(--teal)}
.tabpane{display:none}.tabpane.on{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:.92rem;min-width:640px}
table.data th,table.data td{padding:.7em .9em;text-align:left;border-bottom:1px solid var(--line-2)}
table.data th{background:var(--bg-soft);color:var(--navy);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0}
table.data tr:hover td{background:var(--bg-softer)}
table.data td.num{text-align:right;font-variant-numeric:tabular-nums}
.tag{display:inline-block;padding:.2em .6em;border-radius:6px;font-size:.78rem;font-weight:600;background:var(--bg-soft);color:var(--body)}

/* ---------- filters ---------- */
.filter-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:22px}
.filter-bar .field{margin:0}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px}
.stat .l{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.stat .n{font-size:1.55rem;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}
.stat .d{font-size:.82rem;font-weight:600}
.stat .d.up{color:var(--ok)}.stat .d.down{color:var(--bad)}

.chart-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.chart-card h3{font-size:1.05rem;margin-bottom:4px}
.chart-card .sub{color:var(--muted);font-size:.85rem;margin-bottom:14px}
.chart-box{position:relative;height:300px}

/* ---------- article typography ---------- */
.article-hero{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.article-hero .hero-photo{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;z-index:0}
.article-hero.has-photo::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(15,39,64,.62),rgba(15,39,64,.82))}
.article-hero .container{position:relative;z-index:2}
.article-hero .eyebrow{color:var(--gold)}
.article-hero h1{color:#fff;max-width:22ch;font-size:2.5rem}
.article-hero .meta{color:#a9bace;font-size:.9rem;margin-top:10px}
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:1.7em;padding-top:.2em}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose blockquote{margin:1.4em 0;padding:14px 20px;background:var(--bg-soft);border-left:4px solid var(--teal);border-radius:0 10px 10px 0;color:var(--body)}
.prose .figure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin:1.6em 0;box-shadow:var(--shadow)}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:0 0 28px}
.toc h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:.6em}
.toc ol{margin:0;padding-left:1.2em}.toc li{margin-bottom:.35em}
.disclaimer{font-size:.84rem;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-top:26px}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#fff;border-radius:var(--radius-lg);
  padding:44px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:#e6fbfb;max-width:52ch;margin:0 auto 1.3em}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#b9c6d6;padding:56px 0 28px;margin-top:20px}
.site-footer a{color:#c9d6e5}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;margin-bottom:34px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h5{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.09em;margin-bottom:1em}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:.55em;font-size:.92rem}
.footer-brand .brand{color:#fff}
.site-footer .brand .wm{color:#fff}
.site-footer .brand .wm .tld{color:#4fd6d4}
.footer-brand p{font-size:.9rem;color:#93a4b8;max-width:34ch;margin-top:.8em}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:.84rem;color:#8698ab}

/* ---------- breadcrumb ---------- */
.breadcrumb{font-size:.85rem;color:var(--muted);padding:16px 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--teal-dark)}

/* ---------- misc ---------- */
.page-head{padding:44px 0 8px;position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;right:0;top:0;width:62%;height:220%;pointer-events:none;
  background:url("https://images.pexels.com/photos/31787713/pexels-photo-31787713.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1200&h=800") no-repeat right top;
  background-size:cover;opacity:.06;-webkit-mask-image:linear-gradient(to left,#000,transparent);mask-image:linear-gradient(to left,#000,transparent)}
.page-head .container{position:relative;z-index:1}
.page-head h1{margin-bottom:.2em}
.page-head p{color:var(--muted);font-size:1.1rem;max-width:60ch}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.chip{border:1.5px solid var(--line);background:#fff;color:var(--body);padding:.4em .9em;border-radius:999px;
  font-size:.88rem;font-weight:600;cursor:pointer;transition:.14s}
.chip:hover{border-color:var(--teal)}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.empty{padding:40px;text-align:center;color:var(--muted)}
.skeleton{color:var(--muted);font-size:.9rem}
.hidden{display:none!important}