/* TheGulfCalc — shared stylesheet. Brand name "TheGulfCalc" appears in HTML titles/headers/footers. */
:root{--teal:#0f766e;--teal-dark:#0b4f4a;--gold:#c9a227;--ink:#17252b;--muted:#5b6b72;--bg:#f7f5f0;--card:#ffffff;--line:#e5e0d5;--radius:14px}
*{box-sizing:border-box}
html,body{overflow-x:clip}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;font-size:16px}
a{color:var(--teal-dark)}
header.site{background:var(--teal-dark);color:#fff}
.wrap{max-width:1060px;margin:0 auto;padding:0 16px}
.topbar{display:flex;align-items:center;gap:10px;padding:12px 0;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-weight:800;font-size:1.25rem;letter-spacing:.2px;min-width:0}
.logo svg{flex:0 0 auto}
.logo span em{font-style:normal;color:var(--gold)}
nav.main{margin-left:auto}
nav.main a{color:#dff3f0;text-decoration:none;margin-left:16px;font-size:.95rem;white-space:nowrap}
nav.main a:hover{color:#fff;text-decoration:underline}
.hero{padding:34px 0 10px}
.hero h1{font-size:2rem;line-height:1.2;margin:0 0 10px}
.hero p{color:var(--muted);max-width:720px;margin:0 0 8px}
.tagline{color:var(--teal);font-weight:700}
main{padding:10px 0 40px}
.searchbox{margin:18px 0 6px}
.searchbox input{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius);font-size:1rem;background:#fff}
h2.group{margin:28px 0 12px;font-size:1.3rem;border-left:5px solid var(--gold);padding-left:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-decoration:none;color:var(--ink);box-shadow:0 2px 8px rgba(23,37,43,.05);display:block}
.card:hover{border-color:var(--teal);box-shadow:0 6px 18px rgba(15,118,110,.12)}
.card h3{margin:0 0 6px;font-size:1.05rem;color:var(--teal-dark)}
.card p{margin:0;color:var(--muted);font-size:.92rem}
.card .flag{font-size:1.3rem}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 2px 10px rgba(23,37,43,.05);margin:18px 0}
.calc label{display:block;font-weight:600;margin:12px 0 5px;font-size:.95rem}
.calc input,.calc select{width:100%;padding:11px 12px;border:1px solid #cfc9ba;border-radius:10px;font-size:1rem;background:#fff}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.calc .row{grid-template-columns:1fr}}
button.calc-btn{margin-top:18px;background:var(--teal);color:#fff;border:0;padding:13px 22px;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;width:100%}
button.calc-btn:hover{background:var(--teal-dark)}
.result{margin-top:20px;background:#eef7f5;border:1px solid #bfe0da;border-radius:10px;padding:16px;display:none}
.result.show{display:block}
.result .total{font-size:1.5rem;font-weight:800;color:var(--teal-dark)}
.result table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.95rem}
.result td,.result th{padding:6px 4px;border-bottom:1px solid #d7e9e5;text-align:left}
.result td:last-child,.result th:last-child{text-align:right;white-space:nowrap}
.note{font-size:.88rem;color:var(--muted)}
.disclaimer{background:#fdf6e0;border:1px solid #ead9a0;border-radius:10px;padding:13px 15px;font-size:.9rem;margin:18px 0}
.ad-slot{margin:22px 0;min-height:0}
section.text h2{margin-top:30px;font-size:1.35rem;color:var(--teal-dark)}
section.text h3{margin-top:20px}
.faq{border-top:1px solid var(--line);padding:12px 0}
.faq h3{margin:0 0 5px;font-size:1rem}
.faq p{margin:0;color:#37474d}
.rel{display:flex;flex-wrap:wrap;gap:9px;margin-top:10px}
.rel a{background:#eef7f5;border:1px solid #bfe0da;border-radius:999px;padding:7px 13px;text-decoration:none;font-size:.9rem}
footer.site{background:var(--teal-dark);color:#cfe6e2;padding:28px 0;margin-top:20px;font-size:.92rem}
footer.site a{color:#fff;text-decoration:none;margin-right:15px}
footer.site .fine{color:#9fc4bf;margin-top:10px;font-size:.82rem}
.crumb{font-size:.88rem;color:var(--muted);margin:14px 0 0}
.crumb a{color:var(--muted)}
table.plain{width:100%;border-collapse:collapse;margin:12px 0}
table.plain td,table.plain th{border:1px solid var(--line);padding:8px;text-align:left;background:#fff}
@media(max-width:480px){.hero h1{font-size:1.55rem}nav.main a{margin-left:10px;font-size:.88rem}.logo{font-size:1.08rem}}


/* --- Light polish (v3): header depth, card badges, result animation --- */
header.site{background:linear-gradient(135deg,#0b4f4a 0%,#0d6e64 75%,#0f766e 100%);box-shadow:0 3px 16px rgba(11,79,74,.28);border-bottom:3px solid var(--gold)}
.card{transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.card:hover{transform:translateY(-3px)}
.card .flag{display:inline-flex;align-items:center;justify-content:center;width:47px;height:47px;border-radius:50%;background:#eef7f4;border:1px solid #d3e7e0;font-size:1.45rem;line-height:1;margin-bottom:11px;box-shadow:inset 0 0 0 3px #fff}
.hero h1{position:relative;padding-bottom:10px}
.hero h1:after{content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;border-radius:2px;background:var(--gold)}
@keyframes resultIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes goldPulse{0%{box-shadow:0 0 0 0 rgba(201,162,39,.45)}100%{box-shadow:0 0 0 14px rgba(201,162,39,0)}}
.result.show{display:block;animation:resultIn .35s ease,goldPulse .9s ease-out .1s;border-color:var(--gold)}
.result .total{border-bottom:2px solid var(--gold);padding-bottom:8px;margin-bottom:6px}
button.calc-btn{transition:background .15s ease,transform .1s ease}
button.calc-btn:active{transform:scale(.99)}

/* Contact form */
.cform-card{background:#fff;border:1px solid #e2e8e6;border-radius:14px;box-shadow:0 8px 30px rgba(11,79,74,.08);padding:26px 26px 22px;max-width:620px;margin:16px 0 8px}
.cform label{display:block;font-weight:600;margin:16px 0 6px;color:#134e4a}
.cform label:first-child{margin-top:0}
.cform input[type=text],.cform input[type=email],.cform input[type=number],.cform textarea{width:100%;padding:12px 13px;border:1.5px solid #cbd5d1;border-radius:9px;font:inherit;background:#fdfefe;box-sizing:border-box;transition:border-color .15s, box-shadow .15s}
.cform input:focus,.cform textarea:focus{outline:none;border-color:#0f766e;box-shadow:0 0 0 3px rgba(15,118,110,.15)}
.cform textarea{resize:vertical;min-height:130px}
.cform .cap-row{display:flex;gap:10px;align-items:stretch}
.cform .cap-q{display:flex;align-items:center;background:#f0fdf9;border:1.5px dashed #0f766e;color:#0b4f4a;font-weight:800;font-size:19px;letter-spacing:2px;padding:0 18px;border-radius:9px;white-space:nowrap}
.cform .cap-row input{flex:1}
.cform .cap-note{font-size:13px;color:#64748b;margin-top:6px}
.cform button[type=submit]{margin-top:20px;background:#0f766e;color:#fff;border:0;border-radius:9px;padding:13px 26px;font:inherit;font-weight:700;cursor:pointer;width:100%}
.cform button[type=submit]:hover{background:#0b5952}
#form-note:empty{display:none}
#form-note .ok{background:#e6f4ea;border:1px solid #34a853;color:#14532d;padding:12px 14px;border-radius:8px;max-width:620px}
#form-note .err{background:#fdecec;border:1px solid #e57373;color:#7f1d1d;padding:12px 14px;border-radius:8px;max-width:620px}
@media (max-width:520px){.cform-card{padding:20px 16px}}