@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Barlow:wght@700;800;900&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --earth:#1e3a2f;--earth-l:#2d5042;--earth-ll:#3c6655;
  --lime:#22c55e;--lime-d:#16a34a;--lime-l:#4ade80;
  --amber:#f59e0b;--amber-d:#d97706;--amber-l:#fbbf24;
  --red:#ef4444;--red-d:#dc2626;
  --stone:#f4f6f1;--white:#fff;
  --gray:#6b7280;--gray-l:#e5e7eb;--gray-ll:#f3f4f6;
  --text:#111827;--text-l:#374151;--text-ll:#9ca3af;
  --shadow:0 4px 20px rgba(0,0,0,.08);--shadow-lg:0 12px 40px rgba(0,0,0,.14);
  --radius:14px;--radius-sm:8px;
}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--stone);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;font:inherit}
img{max-width:100%;display:block}

/* SITE HEADER */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(30,58,47,.97);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.07);padding:.8rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:flex;align-items:center;gap:.65rem}
.logo-badge{background:var(--lime);color:#fff;font-family:'Barlow',sans-serif;font-weight:900;font-size:.85rem;padding:.3rem .65rem;border-radius:6px;letter-spacing:.04em}
.logo-text strong{color:#fff;font-size:.9rem;display:block;line-height:1.15}
.logo-text span{color:rgba(255,255,255,.4);font-size:.65rem;letter-spacing:.08em;text-transform:uppercase}
.header-right{display:flex;align-items:center;gap:1rem}
.header-phone a{color:var(--lime);font-weight:800;font-size:1rem;font-family:'Barlow',sans-serif}
.header-phone span{color:rgba(255,255,255,.4);font-size:.75rem;display:flex;align-items:center;gap:.4rem}
.btn-quote-header{background:var(--amber);color:#fff;font-weight:700;font-size:.8rem;padding:.45rem 1.1rem;border-radius:50px;transition:all .2s;white-space:nowrap;display:flex;align-items:center;gap:.4rem}
.btn-quote-header:hover{background:var(--amber-d);transform:translateY(-1px)}

/* TOOL NAV */
.tool-nav{background:var(--earth-l);padding:.55rem 1.5rem;display:flex;gap:.75rem;flex-wrap:wrap;margin-top:57px}
.tool-nav a{color:rgba(255,255,255,.55);font-size:.78rem;font-weight:600;padding:.3rem .75rem;border-radius:50px;border:1px solid transparent;transition:all .2s}
.tool-nav a:hover,.tool-nav a.active{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.1)}

/* HERO */
.tool-hero{background:linear-gradient(150deg,var(--earth) 0%,var(--earth-ll) 100%);padding:3.5rem 1.5rem 3rem;text-align:center;position:relative;overflow:hidden}
.tool-hero::before{content:'';position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:800px;height:500px;background:radial-gradient(circle,rgba(34,197,94,.1) 0%,transparent 65%);pointer-events:none}
.eyebrow{display:inline-block;background:rgba(34,197,94,.15);color:var(--lime-l);border:1px solid rgba(34,197,94,.3);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.3rem .9rem;border-radius:50px;margin-bottom:.9rem}
.tool-hero h1{font-family:'Barlow',sans-serif;font-weight:900;font-size:clamp(1.8rem,4.5vw,3rem);color:#fff;line-height:1.1;margin-bottom:.75rem}
.tool-hero h1 em{font-style:normal;color:var(--lime)}
.tool-hero p{color:rgba(255,255,255,.65);font-size:.97rem;max-width:540px;margin:0 auto;line-height:1.65}

/* WRAP */
.tool-wrap{max-width:800px;margin:0 auto;padding:2rem 1.5rem 4rem}
.wide-wrap{max-width:1060px;margin:0 auto;padding:2rem 1.5rem 4rem}

/* CARD */
.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-head{padding:1.2rem 1.5rem;border-bottom:1px solid var(--gray-l);display:flex;align-items:center;gap:.75rem}
.step-badge{background:var(--lime);color:#fff;font-size:.75rem;font-weight:800;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.card-head h3{font-size:1rem;font-weight:700;color:var(--earth)}
.card-body{padding:1.5rem}

/* OPTION GRID */
.option-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.6rem}
.option-btn{display:flex;flex-direction:column;align-items:center;gap:.4rem;padding:.85rem .6rem;border:2px solid var(--gray-l);border-radius:10px;background:var(--white);transition:all .18s;text-align:center}
.option-btn:hover{border-color:var(--lime);background:#f0fdf4;transform:translateY(-2px)}
.option-btn.selected{border-color:var(--lime);background:var(--lime);color:#fff}
.option-btn .icon{font-size:1.5rem}
.option-btn .label{font-size:.8rem;font-weight:700;line-height:1.2}
.option-btn.selected .label,.option-btn.selected .sub{color:#fff}
.option-btn .sub{font-size:.7rem;color:var(--gray);line-height:1.2}

/* OPTION LIST */
.option-list{display:flex;flex-direction:column;gap:.45rem}
.option-list-btn{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;border:2px solid var(--gray-l);border-radius:10px;background:var(--white);font-size:.9rem;font-weight:500;transition:all .18s;text-align:left}
.option-list-btn:hover{border-color:var(--lime);background:#f0fdf4}
.option-list-btn.selected{border-color:var(--lime);background:var(--lime);color:#fff}
.option-list-btn .arrow{font-size:.75rem;opacity:.4}

/* FORM INPUTS */
.field-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.25rem}
.field-label{font-size:.82rem;font-weight:700;color:var(--text-l);text-transform:uppercase;letter-spacing:.05em}
.field-input{width:100%;padding:.8rem 1rem;border:2px solid var(--gray-l);border-radius:10px;font:inherit;font-size:.95rem;color:var(--text);transition:border-color .2s;background:var(--white)}
.field-input:focus{outline:none;border-color:var(--lime)}
.field-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.5rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.75rem;border-radius:50px;font-size:.92rem;font-weight:700;transition:all .2s;cursor:pointer}
.btn-primary{background:var(--lime);color:#fff}
.btn-primary:hover{background:var(--lime-d);transform:translateY(-1px);box-shadow:0 6px 20px rgba(34,197,94,.35)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:var(--amber-d);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--earth);border:2px solid var(--earth)}
.btn-outline:hover{background:var(--earth);color:#fff}
.btn-ghost{color:var(--gray);font-size:.84rem;text-decoration:underline;background:none;padding:0}
.btn-lg{padding:1rem 2.25rem;font-size:1rem}
.btn-block{width:100%}
.btn-sm{padding:.5rem 1.1rem;font-size:.82rem}

/* TABS */
.tabs{display:flex;border-bottom:2px solid var(--gray-l);margin-bottom:1.5rem}
.tab-btn{padding:.75rem 1.25rem;font-size:.88rem;font-weight:700;color:var(--gray);border-bottom:3px solid transparent;margin-bottom:-2px;transition:all .2s;background:none}
.tab-btn.active{color:var(--earth);border-bottom-color:var(--lime)}
.tab-pane{display:none}
.tab-pane.active{display:block}

/* PROGRESS */
.progress-wrap{margin-bottom:1.5rem}
.progress-steps{display:flex;gap:.4rem;margin-bottom:.4rem}
.progress-step{height:4px;flex:1;border-radius:50px;background:var(--gray-l);transition:background .3s}
.progress-step.done{background:var(--lime)}
.progress-step.active{background:var(--lime-l)}
.progress-label{font-size:.73rem;color:var(--gray);font-weight:500}

/* PRODUCT RESULT CARDS */
.product-result-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-top:1.25rem}
.product-card{background:var(--white);border:2px solid var(--gray-l);border-radius:var(--radius);padding:1.25rem;display:flex;flex-direction:column;gap:.6rem;transition:all .2s}
.product-card:hover{border-color:var(--lime);box-shadow:var(--shadow)}
.product-card-icon{font-size:2rem}
.product-card-name{font-family:'Barlow',sans-serif;font-weight:900;font-size:1rem;color:var(--earth)}
.product-card-desc{font-size:.82rem;color:var(--gray);line-height:1.55;flex:1}
.product-card-qty{font-size:.82rem;font-weight:700;color:var(--lime-d);background:#f0fdf4;padding:.3rem .75rem;border-radius:50px;display:inline-block;margin-bottom:.25rem}
.btn-add-quote{background:var(--earth);color:#fff;font-size:.8rem;font-weight:700;padding:.5rem 1rem;border-radius:50px;transition:all .2s;display:inline-flex;align-items:center;gap:.35rem;cursor:pointer;border:none}
.btn-add-quote:hover{background:var(--lime-d)}
.btn-add-quote.added{background:var(--lime)}

/* CALC RESULT BOX */
.calc-result{background:linear-gradient(135deg,var(--earth) 0%,var(--earth-ll) 100%);color:#fff;border-radius:var(--radius);padding:1.5rem;margin-top:1.25rem;display:none}
.calc-result.visible{display:block}
.calc-result-num{font-family:'Barlow',sans-serif;font-weight:900;font-size:2.5rem;color:var(--lime);line-height:1}
.calc-result-unit{font-size:.9rem;opacity:.75;margin-bottom:.75rem}
.calc-result-note{font-size:.8rem;opacity:.6;margin-top:.4rem}
.calc-breakdown{background:rgba(255,255,255,.1);border-radius:10px;padding:1rem;margin:.75rem 0}
.calc-row{display:flex;justify-content:space-between;font-size:.85rem;padding:.25rem 0;border-bottom:1px solid rgba(255,255,255,.08)}
.calc-row:last-child{border-bottom:none;font-weight:700}

/* QUOTE CART FAB */
.quote-fab{position:fixed;bottom:1.5rem;right:1.5rem;z-index:300;background:var(--amber);color:#fff;border-radius:50px;padding:.7rem 1.25rem;font-weight:700;font-size:.88rem;display:flex;align-items:center;gap:.5rem;box-shadow:0 4px 20px rgba(245,158,11,.45);cursor:pointer;transition:all .2s;border:none}
.quote-fab:hover{background:var(--amber-d);transform:translateY(-2px)}
.quote-fab .count{background:#fff;color:var(--amber-d);font-size:.72rem;font-weight:800;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.quote-fab.hidden{display:none!important}

/* QUOTE DRAWER */
.quote-drawer{position:fixed;bottom:0;right:0;width:360px;max-height:75vh;background:#fff;border-radius:var(--radius) var(--radius) 0 0;box-shadow:0 -8px 40px rgba(0,0,0,.15);z-index:299;transform:translateY(100%);transition:transform .3s ease;overflow:hidden;display:flex;flex-direction:column}
.quote-drawer.open{transform:translateY(0)}
.drawer-head{background:var(--earth);color:#fff;padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between}
.drawer-head h3{font-family:'Barlow',sans-serif;font-weight:900;font-size:1rem}
.drawer-close{background:rgba(255,255,255,.15);border:none;color:#fff;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center}
.drawer-body{overflow-y:auto;flex:1;padding:1rem}
.drawer-empty{text-align:center;padding:2rem 1rem;color:var(--gray);font-size:.88rem}
.quote-item{display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem;padding:.75rem 0;border-bottom:1px solid var(--gray-l)}
.quote-item:last-child{border-bottom:none}
.quote-item-name{font-size:.88rem;font-weight:600;color:var(--earth)}
.quote-item-detail{font-size:.78rem;color:var(--gray);margin-top:.1rem}
.quote-item-remove{color:var(--gray);font-size:.75rem;cursor:pointer;background:none;border:none;padding:.2rem;flex-shrink:0}
.quote-item-remove:hover{color:var(--red)}
.drawer-footer{padding:1rem 1.25rem;border-top:1px solid var(--gray-l)}

/* CTA BAND */
.cta-band{background:var(--earth);padding:3rem 1.5rem;text-align:center}
.cta-band h2{font-family:'Barlow',sans-serif;font-weight:900;color:#fff;font-size:clamp(1.4rem,3.5vw,2rem);margin-bottom:.5rem}
.cta-band p{color:rgba(255,255,255,.6);margin-bottom:1.75rem;font-size:.95rem;max-width:480px;margin-left:auto;margin-right:auto}
.cta-band .phone-link{font-family:'Barlow',sans-serif;font-weight:900;font-size:1.6rem;color:var(--lime);display:block;margin-bottom:1.25rem}
.cta-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* UTILITY */
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}
.hidden{display:none!important}
.fade-in{animation:fadeIn .35s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.section-label{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--lime);margin-bottom:.4rem}
.section-title{font-family:'Barlow',sans-serif;font-weight:900;font-size:clamp(1.4rem,3.5vw,2rem);color:var(--earth)}

/* RESPONSIVE */
@media(max-width:600px){
  .site-header{padding:.7rem 1rem}
  .header-phone{display:none}
  .tool-hero{padding:2.5rem 1rem 2rem}
  .tool-wrap,.wide-wrap{padding:1.25rem 1rem 3rem}
  .option-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}
  .cta-btns{flex-direction:column;align-items:center}
  .quote-drawer{width:100%}
  .form-grid{grid-template-columns:1fr}
}