/* Delta Appliance Fix — "Basalt & Sage" design system.
   Light layout, graphite + green. Original implementation. */

:root{
  --ink-950:#17191C;
  --ink-900:#1F2226;
  --ink-800:#23262B;
  --ink-700:#2C3036;
  --ink-600:#3A3F46;
  --grn-700:#256641;
  --grn-600:#2E7A4D;
  --grn-500:#3E9B63;
  --grn-400:#57B27B;
  --grn-100:#DFF0E6;
  --grn-50:#F0F8F3;
  --txt:#25282C;
  --mut:#5E646B;
  --line:#E1E4E1;
  --bg-alt:#F4F6F5;
  --white:#FFFFFF;
  --fd:'Roboto',Arial,sans-serif;
  --fb:'Open Sans',Arial,sans-serif;
  --sh1:0 1px 3px rgba(23,25,28,.07);
  --sh2:0 6px 20px rgba(23,25,28,.09);
  --sh3:0 14px 40px rgba(23,25,28,.13);
  --rad:10px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--fb);color:var(--txt);background:var(--white);line-height:1.7;font-size:16px;}
img,svg{max-width:100%;display:block;}
a{color:var(--grn-600);}
h1,h2,h3,h4{font-family:var(--fd);font-weight:700;line-height:1.25;color:var(--ink-900);}
.container{max-width:1160px;margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line);box-shadow:var(--sh1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;max-width:1160px;margin:0 auto;padding:0 22px;}
.header-inner>a:first-child{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0;}
.logo-mark{width:38px;height:38px;flex:0 0 38px;border-radius:8px;background:var(--ink-800);color:#fff;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;font-family:var(--fd);font-weight:900;font-size:17px;}
.logo-mark::after{content:"";position:absolute;left:0;right:0;bottom:0;height:7px;background:var(--grn-500);}
.logo-text{font-family:var(--fd);font-weight:800;font-size:1.08rem;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.logo-text span{color:var(--grn-600);}
#navmenu{display:flex;align-items:center;gap:2px;}
#navmenu a{color:var(--ink-700);text-decoration:none;font-size:.95rem;font-weight:600;padding:9px 12px;border-radius:7px;transition:.18s;}
#navmenu a:hover{color:var(--grn-700);background:var(--grn-50);}
.nav-cta{margin-left:6px;}
.btn-nav-call{display:inline-flex;align-items:center;gap:8px;background:var(--grn-600);color:#fff !important;font-weight:700;padding:10px 18px !important;border-radius:8px;font-size:.93rem !important;}
.btn-nav-call:hover{background:var(--grn-700) !important;color:#fff !important;}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:40px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink-800);border-radius:2px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--fd);font-weight:700;font-size:.98rem;text-decoration:none;border-radius:8px;padding:14px 26px;transition:.18s;cursor:pointer;border:none;line-height:1.25;}
.btn-primary{background:var(--grn-600);color:#fff;box-shadow:0 4px 14px rgba(46,122,77,.3);}
.btn-primary:hover{background:var(--grn-700);transform:translateY(-1px);}
.btn-dark{background:var(--ink-800);color:#fff;}
.btn-dark:hover{background:var(--ink-950);}
.btn-outline{background:transparent;color:var(--ink-800);border:1.5px solid var(--ink-600);}
.btn-outline:hover{border-color:var(--grn-600);color:var(--grn-700);background:var(--grn-50);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:var(--grn-100);}
.btn-full{width:100%;}

/* ---------- breadcrumbs ---------- */
.crumbs{font-size:.83rem;color:var(--mut);margin-bottom:16px;}
.crumbs a{color:var(--mut);text-decoration:none;}
.crumbs a:hover{color:var(--grn-700);}
.crumbs span{margin:0 6px;color:var(--line);}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,var(--grn-50) 0%,var(--white) 100%);padding:44px 0 56px;border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(2rem,4.4vw,3rem);margin-bottom:14px;}
.hero h1 em{font-style:normal;color:var(--grn-600);}
.hero-sub{color:var(--mut);font-size:1.06rem;margin-bottom:20px;max-width:560px;}
.stat-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.stat-pill{display:inline-flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.87rem;font-weight:600;color:var(--ink-700);box-shadow:var(--sh1);}
.stat-pill b{color:var(--grn-700);}
.hero-ctas{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:14px;}
.hero-note{font-size:.87rem;color:var(--mut);}
.hero-art{background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh2);padding:18px;}
.hero-art svg{width:100%;height:auto;border-radius:10px;}

/* page hero (inner) */
.page-hero{background:linear-gradient(180deg,var(--grn-50) 0%,var(--white) 100%);padding:38px 0 48px;border-bottom:1px solid var(--line);}
.page-hero h1{font-size:clamp(1.8rem,3.8vw,2.6rem);margin-bottom:12px;}
.page-hero h1 em{font-style:normal;color:var(--grn-600);}
.page-hero .hero-sub{margin-bottom:18px;}

/* ---------- USP row ---------- */
.usp-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-30px;position:relative;z-index:5;}
.usp{display:flex;gap:13px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:var(--rad);padding:18px;box-shadow:var(--sh2);}
.usp-ic{width:44px;height:44px;flex:0 0 44px;border-radius:9px;background:var(--grn-100);color:var(--grn-700);display:flex;align-items:center;justify-content:center;font-size:1.25rem;}
.usp b{display:block;font-family:var(--fd);font-size:.95rem;color:var(--ink-900);}
.usp span{font-size:.82rem;color:var(--mut);line-height:1.5;display:block;}

/* ---------- sections ---------- */
.section{padding:70px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--ink-800);color:#E8EAE8;}
.section-dark h2,.section-dark h3{color:#fff;}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--grn-700);font-family:var(--fd);font-weight:700;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;}
.kicker::before{content:"";width:26px;height:3px;background:var(--grn-500);border-radius:2px;}
.section-dark .kicker{color:var(--grn-400);}
.sec-head{max-width:740px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center .kicker{justify-content:center;}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:10px;}
.sec-head p{color:var(--mut);}
.section-dark .sec-head p{color:#C6CCC8;}

/* ---------- problems table ---------- */
.prob-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;}
.prob-art{background:var(--grn-50);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--sh1);}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh1);background:var(--white);}
table.tbl{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px;}
.tbl th{background:var(--ink-800);color:#fff;font-family:var(--fd);font-weight:600;text-align:left;padding:13px 16px;font-size:.87rem;letter-spacing:.02em;}
.tbl td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top;color:var(--txt);}
.tbl tr:nth-child(even) td{background:var(--bg-alt);}
.tbl td:first-child{font-weight:700;color:var(--ink-900);white-space:nowrap;}

/* ---------- steps ---------- */
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step4{background:var(--white);border:1px solid var(--line);border-radius:var(--rad);padding:24px 20px;box-shadow:var(--sh1);position:relative;}
.step4-num{font-family:var(--fd);font-weight:800;font-size:.85rem;color:var(--grn-700);background:var(--grn-100);border-radius:999px;padding:4px 12px;display:inline-block;margin-bottom:12px;}
.step4-ic{font-size:1.6rem;margin-bottom:10px;}
.step4 h3{font-size:1.02rem;margin-bottom:7px;}
.step4 p{font-size:.89rem;color:var(--mut);}

/* ---------- FAQ split ---------- */
.faq-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start;}
.faq-card{background:var(--ink-800);color:#E8EAE8;border-radius:14px;padding:32px 28px;box-shadow:var(--sh3);position:sticky;top:96px;}
.faq-card h3{color:#fff;font-size:1.3rem;margin-bottom:10px;}
.faq-card p{font-size:.93rem;color:#C6CCC8;margin-bottom:20px;}
.faq-card .btn{width:100%;}
.faq-card .fc-tag{display:inline-block;background:rgba(62,155,99,.2);color:var(--grn-400);font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:14px;}

/* ---------- Q&A accordions ---------- */
.qa-wrap{width:100%;}
.qa-item{background:var(--white);border:1px solid var(--line);border-radius:var(--rad);margin-bottom:11px;box-shadow:var(--sh1);overflow:hidden;}
.qa-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;padding:17px 20px;font-family:var(--fd);font-weight:600;font-size:.99rem;color:var(--ink-900);}
.qa-item summary::-webkit-details-marker{display:none;}
.qa-item summary::after{content:"▾";flex:0 0 26px;width:26px;height:26px;border-radius:7px;background:var(--grn-100);color:var(--grn-700);display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:.18s;}
.qa-item[open] summary::after{transform:rotate(180deg);background:var(--grn-600);color:#fff;}
.qa-item[open] summary{border-bottom:1px solid var(--line);}
.qa-a{padding:15px 20px 18px;color:var(--mut);font-size:.94rem;}
.qa-a p+p{margin-top:9px;}
.section-alt .qa-item{background:var(--white);}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--ink-900),var(--ink-700));color:#fff;padding:56px 0;}
.cta-band-grid{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:8px;}
.cta-band p{color:#C6CCC8;max-width:560px;}
.cta-band .cta-btns{display:flex;flex-wrap:wrap;gap:13px;}

/* ---------- areas ---------- */
.area-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.area-link{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--white);border:1px solid var(--line);border-radius:var(--rad);padding:16px 18px;text-decoration:none;color:var(--ink-900);font-family:var(--fd);font-weight:600;font-size:.96rem;box-shadow:var(--sh1);transition:.18s;}
.area-link small{display:block;font-family:var(--fb);font-weight:400;color:var(--mut);font-size:.8rem;}
.area-link::after{content:"→";color:var(--grn-600);font-size:1.05rem;}
.area-link:hover{border-color:var(--grn-500);transform:translateY(-2px);box-shadow:var(--sh2);}
.section-dark .area-link{background:var(--ink-700);border-color:var(--ink-600);color:#fff;}
.section-dark .area-link small{color:#AEB6B0;}
.section-dark .area-link:hover{border-color:var(--grn-500);}

/* ---------- service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.svc-card{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--sh1);display:flex;flex-direction:column;transition:.18s;}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:var(--grn-400);}
.svc-art{background:var(--grn-50);border-bottom:1px solid var(--line);padding:18px;display:flex;align-items:center;justify-content:center;}
.svc-art svg{height:110px;width:auto;}
.svc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.svc-body h3{font-size:1.1rem;margin-bottom:7px;}
.svc-body p{font-size:.9rem;color:var(--mut);margin-bottom:12px;}
.svc-price{font-size:.86rem;color:var(--mut);margin-bottom:14px;}
.svc-price b{color:var(--grn-700);}
.svc-body .btn{margin-top:auto;align-self:flex-start;padding:10px 18px;font-size:.9rem;}

/* ---------- prose / long-form ---------- */
.prose{max-width:840px;}
.prose p{margin-bottom:16px;color:var(--txt);}
.prose h2{font-size:1.55rem;margin:36px 0 14px;padding-top:6px;}
.prose h2:first-child{margin-top:0;}
.prose h3{font-size:1.18rem;margin:24px 0 10px;}
.prose ul{margin:0 0 16px 22px;}
.prose li{margin-bottom:7px;}
.prose .tbl-wrap{margin:20px 0;}
.tip-box{background:var(--grn-50);border-left:4px solid var(--grn-500);border-radius:0 10px 10px 0;padding:18px 22px;margin:20px 0;font-size:.95rem;}
.tip-box b{font-family:var(--fd);}

/* ---------- contact / form ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:26px;box-shadow:var(--sh1);margin-bottom:16px;}
.info-card b{font-family:var(--fd);display:block;margin-bottom:4px;color:var(--ink-900);}
.info-card p,.info-card address{font-style:normal;color:var(--mut);font-size:.93rem;line-height:1.7;}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:32px 30px;box-shadow:var(--sh2);}
.form-card h3{font-size:1.25rem;margin-bottom:6px;}
.form-card>p{color:var(--mut);font-size:.92rem;margin-bottom:20px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-bottom:13px;}
.form-field{display:flex;flex-direction:column;gap:6px;margin-bottom:13px;}
.form-row .form-field{margin-bottom:0;}
.form-field label{font-size:.84rem;font-weight:700;font-family:var(--fd);color:var(--ink-700);}
.form-field input,.form-field select,.form-field textarea{font-family:var(--fb);font-size:.95rem;color:var(--txt);background:var(--bg-alt);border:1px solid var(--line);border-radius:8px;padding:12px 14px;width:100%;transition:.18s;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--grn-500);background:#fff;box-shadow:0 0 0 3px rgba(62,155,99,.13);}
.form-field textarea{min-height:92px;resize:vertical;}
.form-note{font-size:.81rem;color:var(--mut);margin-top:11px;text-align:center;}

/* ---------- brand chips ---------- */
.chip-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.chip{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.89rem;font-weight:600;color:var(--ink-700);}
.section-dark .chip{background:var(--ink-700);border-color:var(--ink-600);color:#E8EAE8;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#B9BFBA;padding:54px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:38px;}
.site-footer .logo-text{color:#fff;}
.footer-brand p{font-size:.9rem;margin:14px 0;color:#A7ADA8;}
.footer-col h4{color:#fff;font-family:var(--fd);font-size:.95rem;margin-bottom:14px;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:8px;}
.footer-col a{color:#B9BFBA;text-decoration:none;font-size:.9rem;}
.footer-col a:hover{color:var(--grn-400);}
.footer-col address{font-style:normal;font-size:.9rem;line-height:1.75;}
.hours-list{list-style:none;font-size:.9rem;}
.hours-list li{display:flex;justify-content:space-between;gap:14px;border-bottom:1px dashed var(--ink-600);padding:5px 0;}
.footer-bottom{border-top:1px solid var(--ink-700);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:.82rem;color:#8B918C;}
.footer-bottom a{color:#8B918C;}

/* ---------- call fab ---------- */
.call-fab{position:fixed;right:18px;bottom:18px;z-index:70;width:56px;height:56px;border-radius:50%;background:var(--grn-600);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(46,122,77,.5);text-decoration:none;font-size:1.4rem;transition:.18s;}
.call-fab:hover{background:var(--grn-700);transform:scale(1.06);}

/* ---------- responsive ---------- */
@media(max-width:1010px){
  .usp-row{grid-template-columns:repeat(2,1fr);}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-art{max-width:520px;}
  .prob-split{grid-template-columns:1fr;gap:26px;}
  .prob-art{max-width:420px;}
  .faq-split{grid-template-columns:1fr;}
  .faq-card{position:static;}
  .steps4{grid-template-columns:repeat(2,1fr);}
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .area-links{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
}
@media(max-width:900px){
  .nav-toggle{display:flex;}
  #navmenu{position:absolute;top:70px;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;gap:2px;padding:12px 20px 18px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--sh2);}
  #navmenu.open{display:flex;}
  #navmenu a{padding:12px 10px;font-size:1rem;}
  .nav-cta{margin:8px 0 0;}
}
@media(max-width:640px){
  .section{padding:52px 0;}
  .usp-row{grid-template-columns:1fr;}
  .steps4{grid-template-columns:1fr;}
  .svc-grid{grid-template-columns:1fr;}
  .area-links{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band-grid{flex-direction:column;align-items:flex-start;}
  body{padding-bottom:84px;}
}