/* ==============================================
   CalcAsphalt v4 — Design System
   Dark industrial + safety amber
   ============================================== */
:root{
  --bg0:#0a0c0e;--bg1:#0f1214;--bg2:#141a1f;--bg3:#1a2029;--bg4:#202830;
  --brd:#2a3540;--brd2:#374653;
  --a:#f59e0b;--a2:#fbbf24;--abg:rgba(245,158,11,.08);--alo:rgba(245,158,11,.2);
  --g:#22c55e;--gbg:rgba(34,197,94,.08);
  --r:#ef4444;--rbg:rgba(239,68,68,.08);
  --b:#60a5fa;--bbg:rgba(96,165,250,.08);
  --t1:#e8edf2;--t2:#8a97a6;--t3:#4a5c6e;
  --ff:system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono','Fira Code','Courier New',monospace;
  --shadow-lg:0 4px 16px rgba(0,0,0,.5),0 12px 40px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg1);color:var(--t1);font-family:var(--ff);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}
input,select,textarea{font-family:inherit;color:inherit}
:focus-visible{outline:2px solid var(--a);outline-offset:2px}
::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg2)}::-webkit-scrollbar-thumb{background:var(--brd2);border-radius:3px}

/* LAYOUT */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.wrap-sm{max-width:820px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden}

/* HEADER */
.site-hdr{position:sticky;top:0;z-index:500;background:rgba(15,18,20,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--brd)}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}
.logo{display:flex;align-items:center;gap:9px;flex-shrink:0;font-weight:800;font-size:17px;letter-spacing:-.03em}
.logo-mark{width:32px;height:32px;background:var(--a);border-radius:6px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:900;font-size:13px;color:#000;flex-shrink:0}
.logo em{color:var(--a);font-style:normal}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:6px 12px;border-radius:8px;font-size:13.5px;font-weight:500;color:var(--t2);transition:color .15s,background .15s;white-space:nowrap;cursor:pointer}
.nav-link:hover,.nav-link.active{color:var(--t1);background:var(--bg3)}
.nav-link.active{color:var(--a)}
.nav-link svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;flex-shrink:0;transition:transform .2s}
.nav-item:hover .nav-link svg{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-4px);min-width:260px;background:var(--bg3);border:1px solid var(--brd);border-radius:16px;padding:14px 8px 8px;margin-top:0;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,transform .2s,visibility 0s linear .2s;z-index:600}
.nav-item:hover .dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);transition:opacity .2s,transform .2s,visibility 0s linear 0s}
.dropdown.dropdown-right{left:auto;right:0;transform:translateY(-4px)}
.nav-item:hover .dropdown.dropdown-right{transform:translateY(0)}
.dd-link{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:10px;transition:background .12s}
.dd-link:hover{background:var(--bg4)}
.dd-icon{width:34px;height:34px;border-radius:9px;background:var(--abg);border:1px solid var(--alo);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.dd-name{font-size:13px;font-weight:600;color:var(--t1)}
.dd-desc{font-size:11px;color:var(--t3);margin-top:1px}
.hdr-cta{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--a);color:#000;border-radius:8px;font-size:13.5px;font-weight:700;transition:background .15s,transform .1s;flex-shrink:0}
.hdr-cta:hover{background:var(--a2);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;border-radius:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--t1);border-radius:2px;transition:all .25s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mob-menu{display:none;position:fixed;inset:0;z-index:400;background:var(--bg0);padding:68px 20px 20px;flex-direction:column;overflow-y:auto;transform:translateX(100%);transition:transform .3s}
.mob-menu.open{transform:none}
.mob-sec-title{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--t3);margin:18px 0 8px 4px}
.mob-sec-title:first-child{margin-top:0}
.mob-link{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:12px;font-size:14px;font-weight:500;color:var(--t2);border:1px solid var(--brd);margin-bottom:6px;transition:all .15s}
.mob-link:hover{color:var(--t1);background:var(--bg3);border-color:var(--brd2)}
.mob-link-icon{font-size:16px;flex-shrink:0}

/* BREADCRUMB */
.breadcrumb{background:var(--bg2);border-bottom:1px solid var(--brd);padding:10px 0}
.bc-list{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--t3);flex-wrap:wrap;list-style:none}
.bc-list a{color:var(--t2);transition:color .15s}.bc-list a:hover{color:var(--a)}
.bc-sep{color:var(--t3);user-select:none}

/* HERO */
.hero{padding:60px 0 44px;border-bottom:1px solid var(--brd);background:radial-gradient(ellipse 90% 60% at 50% -10%,rgba(245,158,11,.07) 0,transparent 65%)}
.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 13px;background:var(--abg);border:1px solid var(--alo);border-radius:100px;font-size:11.5px;font-weight:700;color:var(--a);letter-spacing:.05em;text-transform:uppercase;margin-bottom:18px}
.hero-pulse{width:7px;height:7px;background:var(--a);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.hero h1{font-size:clamp(2rem,5.5vw,3.9rem);font-weight:900;letter-spacing:-.04em;line-height:1.05;margin-bottom:16px}
.hero h1 .hl{color:var(--a)}
.hero-sub{font-size:clamp(15px,2vw,17px);color:var(--t2);max-width:560px;line-height:1.7;margin-bottom:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px}
.stat-val{font-family:var(--mono);font-size:26px;font-weight:800;color:var(--a);line-height:1;letter-spacing:-.04em}
.stat-lbl{font-size:11px;color:var(--t2);margin-top:3px}
.page-hero{padding:44px 0 32px;border-bottom:1px solid var(--brd);background:radial-gradient(ellipse 80% 60% at 50% -5%,rgba(245,158,11,.06) 0,transparent 65%)}
.page-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 11px;background:var(--abg);border:1px solid var(--alo);border-radius:100px;font-size:11px;font-weight:700;color:var(--a);margin-bottom:13px}
.page-hero h1{font-size:clamp(1.7rem,4vw,2.8rem);font-weight:900;letter-spacing:-.035em;line-height:1.08;margin-bottom:12px}
.page-hero h1 span{color:var(--a)}
.page-hero p{font-size:15px;color:var(--t2);max-width:580px;line-height:1.7}

/* CALCULATOR CARD */
.calc-wrap{padding:36px 0 64px}
.calc-card{background:var(--bg2);border:1px solid var(--brd);border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
.calc-grid{display:grid;grid-template-columns:1fr 320px}
.calc-inputs{padding:28px 26px;border-right:1px solid var(--brd)}
.calc-results{background:var(--bg1);display:flex;flex-direction:column}
.res-hdr{padding:15px 20px;border-bottom:1px solid var(--brd);display:flex;justify-content:space-between;align-items:center}
.res-hdr-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--t3)}
.res-hdr-src{font-size:10px;color:var(--t3)}
.res-body{padding:18px;flex:1}

/* Unit toggle */
.unit-toggle{display:flex;background:var(--bg3);border:1px solid var(--brd);border-radius:8px;overflow:hidden;margin-bottom:20px}
.ut-btn{flex:1;padding:8px;text-align:center;font-size:12.5px;font-weight:600;color:var(--t3);transition:all .15s;cursor:pointer;border:none;background:none}
.ut-btn.active{background:var(--a);color:#000}

/* Shape selector */
.shape-heading{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--t3);margin-bottom:10px}
.shape-btns{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.shp-btn{display:flex;align-items:center;gap:7px;padding:8px 13px;border-radius:10px;border:1px solid var(--brd);background:var(--bg3);color:var(--t2);font-size:12.5px;font-weight:600;transition:all .15s;cursor:pointer}
.shp-btn:hover{border-color:var(--brd2);color:var(--t1)}
.shp-btn.active{border-color:var(--a);background:var(--abg);color:var(--a)}
.shp-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;flex-shrink:0}
.shape-panel{display:none}.shape-panel.show{display:block}

/* Fields */
.field{margin-bottom:13px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.field-row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.f-label{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;font-weight:600;color:var(--t2);margin-bottom:5px}
.f-hint{font-size:10.5px;color:var(--t3);font-weight:400}
.f-wrap{position:relative}
.f-input{width:100%;padding:10px 38px 10px 12px;background:var(--bg3);border:1px solid var(--brd);border-radius:8px;color:var(--t1);font-size:14px;font-weight:500;font-family:var(--mono);transition:border-color .15s,box-shadow .15s;-moz-appearance:textfield}
.f-input::-webkit-inner-spin-button,.f-input::-webkit-outer-spin-button{-webkit-appearance:none}
.f-input:focus{outline:none;border-color:var(--a);box-shadow:0 0 0 3px rgba(245,158,11,.1)}
.f-unit{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:10.5px;font-weight:700;color:var(--t3);font-family:var(--mono);pointer-events:none}
.f-select{width:100%;padding:10px 32px 10px 12px;background:var(--bg3);border:1px solid var(--brd);border-radius:8px;color:var(--t1);font-size:13px;font-weight:500;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234a5c6e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 9px center;cursor:pointer;transition:border-color .15s}
.f-select:focus{outline:none;border-color:var(--a)}
.f-select option{background:var(--bg3)}
.f-note{font-size:11px;color:var(--t3);margin-top:4px;line-height:1.5}

/* Quick depth */
.quick-depths{display:flex;gap:4px;flex-wrap:wrap;margin-top:5px}
.qdep{padding:3px 8px;border-radius:100px;border:1px solid var(--brd);font-size:11px;font-weight:700;color:var(--t3);background:var(--bg3);cursor:pointer;font-family:var(--mono);transition:all .15s}
.qdep:hover,.qdep.active{border-color:var(--a);color:var(--a);background:var(--abg)}

/* Slider */
.slider-wrap{display:flex;align-items:center;gap:9px}
.slider{flex:1;height:5px;-webkit-appearance:none;appearance:none;background:var(--bg4);border-radius:3px;cursor:pointer;outline:none}
.slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--a);border:2.5px solid var(--bg1);box-shadow:0 0 0 2px var(--alo);transition:transform .12s;cursor:pointer}
.slider::-webkit-slider-thumb:hover{transform:scale(1.15)}
.slider-val{font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--a);min-width:32px;text-align:right}
.slider-hints{display:flex;justify-content:space-between;font-size:10px;color:var(--t3);margin-top:4px}

/* Divider */
.divider{height:1px;background:var(--brd);margin:16px 0}
.sec-label{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--t3);margin-bottom:11px}

/* Calculate button */
.calc-btn{width:100%;padding:13px;background:var(--a);color:#000;border-radius:12px;font-size:14.5px;font-weight:800;letter-spacing:-.01em;transition:background .15s,transform .12s,box-shadow .15s;box-shadow:0 4px 16px rgba(245,158,11,.2);margin-top:6px}
.calc-btn:hover{background:var(--a2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,.32)}
.calc-btn:active{transform:none}

/* Add shape */
.add-shape-btn{width:100%;padding:9px;background:transparent;border:1.5px dashed var(--brd);border-radius:12px;color:var(--t3);font-size:12.5px;font-weight:600;transition:all .15s;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;margin-top:10px}
.add-shape-btn:hover{border-color:var(--a);color:var(--a);background:var(--abg)}
.shape-list{display:flex;flex-direction:column;gap:5px;margin-top:8px}
.shape-item{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--bg3);border:1px solid var(--brd);border-radius:8px}
.shape-item-info{font-size:11.5px;color:var(--t2);flex:1}
.shape-item-tons{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--a);white-space:nowrap}
.shape-item-del{width:22px;height:22px;flex-shrink:0;background:var(--rbg);color:var(--r);border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:900;cursor:pointer;transition:background .15s;border:none}
.shape-item-del:hover{background:rgba(239,68,68,.2)}

/* Irregular canvas */
.irr-canvas-box{border:1px solid var(--brd);border-radius:12px;overflow:hidden;background:var(--bg3);cursor:crosshair;margin-bottom:8px;touch-action:none}
.irr-canvas-box canvas{display:block;width:100%}
.irr-btns{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:8px}
.irr-btn{padding:5px 11px;border-radius:7px;border:1px solid var(--brd);background:var(--bg3);color:var(--t2);font-size:11.5px;font-weight:600;cursor:pointer;transition:all .15s}
.irr-btn:hover{border-color:var(--brd2);color:var(--t1)}
.irr-area-display{font-size:12px;color:var(--a);font-family:var(--mono);font-weight:700;min-height:16px}

/* Results */
.res-empty{text-align:center;padding:40px 14px}
.res-empty-icon{font-size:34px;opacity:.18;margin-bottom:10px}
.res-empty p{font-size:12.5px;color:var(--t3);line-height:1.6}
.res-big{text-align:center;padding:22px 14px 16px;border-bottom:1px solid var(--brd)}
.res-big-num{font-size:52px;font-weight:900;font-family:var(--mono);color:var(--a);letter-spacing:-.05em;line-height:1}
.res-big-unit{font-size:14px;color:var(--t2);margin-top:4px}
.res-big-sub{font-size:11px;color:var(--t3);margin-top:5px}
.res-list{display:flex;flex-direction:column;gap:5px;margin:0 0 4px}
.res-row{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:var(--bg2);border:1px solid var(--brd);border-radius:8px}
.res-row.hi{background:var(--abg);border-color:var(--alo)}
.rl{font-size:11.5px;color:var(--t2)}.rv{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--t1)}
.rv-a{color:var(--a)}.rv-g{color:var(--g)}
.res-cost{margin:8px 0 0;padding:11px;background:var(--gbg);border:1px solid rgba(34,197,94,.18);border-radius:12px;display:flex;justify-content:space-between;align-items:center}
.res-cost-label{font-size:11.5px;color:var(--g);font-weight:600}
.res-cost-val{font-family:var(--mono);font-size:20px;font-weight:900;color:var(--g)}
.res-warn{margin-top:9px;padding:10px;background:var(--abg);border:1px solid var(--alo);border-radius:8px;font-size:11px;color:var(--a);line-height:1.6}
@keyframes flashin{from{background:rgba(245,158,11,.13)}to{background:transparent}}
.flash{animation:flashin .6s ease}

/* SECTIONS */
.section{padding:72px 0;border-top:1px solid var(--brd)}
.section-alt{background:var(--bg2)}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--a);margin-bottom:9px}
.sec-title{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:800;letter-spacing:-.03em;margin-bottom:10px}
.sec-desc{font-size:15px;color:var(--t2);max-width:520px;line-height:1.7}
.sec-center{text-align:center;margin-bottom:46px}
.sec-center .sec-desc{margin:0 auto}

/* Formula */
.formula-card{background:var(--bg2);border:1px solid var(--brd);border-radius:20px;padding:28px}
.formula-eq{font-family:var(--mono);font-size:clamp(12px,2.2vw,17px);font-weight:600;text-align:center;padding:20px;background:var(--bg1);border:1px solid var(--brd);border-radius:12px;margin-bottom:16px;overflow-x:auto;white-space:nowrap}
.fa{color:var(--a)}.fb{color:var(--b)}.fg{color:var(--g)}
.formula-short{text-align:center;font-size:13.5px;color:var(--t2);margin-bottom:14px;line-height:1.7}
.formula-vars{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:8px}
.fv{padding:10px 12px;background:var(--bg3);border:1px solid var(--brd);border-radius:8px}
.fv-n{font-family:var(--mono);font-size:11.5px;color:var(--a);font-weight:700;margin-bottom:2px}
.fv-d{font-size:11px;color:var(--t3);line-height:1.4}

/* Tables */
.tbl-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--brd)}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl thead th{background:var(--bg3);padding:11px 14px;text-align:left;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--t3);border-bottom:1px solid var(--brd);white-space:nowrap}
.tbl tbody tr{border-bottom:1px solid var(--brd);transition:background .12s}
.tbl tbody tr:last-child{border-bottom:none}
.tbl tbody tr:hover{background:var(--bg3)}
.tbl td{padding:12px 14px}
.mv{font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--a)}

/* Pills */
.pill{display:inline-flex;padding:2px 9px;border-radius:100px;font-size:10.5px;font-weight:700}
.pill-a{background:var(--abg);color:var(--a);border:1px solid var(--alo)}
.pill-g{background:var(--gbg);color:var(--g);border:1px solid rgba(34,197,94,.2)}
.pill-r{background:var(--rbg);color:var(--r);border:1px solid rgba(239,68,68,.2)}
.pill-b{background:var(--bbg);color:var(--b);border:1px solid rgba(96,165,250,.2)}

/* Tools grid */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.tool-card{display:flex;flex-direction:column;gap:10px;padding:22px;background:var(--bg2);border:1px solid var(--brd);border-radius:16px;transition:border-color .18s,transform .18s,box-shadow .18s}
.tool-card:hover{border-color:var(--a);transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.35)}
.tc-icon{width:42px;height:42px;border-radius:12px;background:var(--abg);border:1px solid var(--alo);display:flex;align-items:center;justify-content:center;font-size:19px}
.tc-name{font-size:15px;font-weight:700}
.tc-desc{font-size:12.5px;color:var(--t2);line-height:1.55;flex:1}
.tc-arrow{display:flex;align-items:center;gap:5px;font-size:12.5px;font-weight:700;color:var(--a);transition:gap .15s}
.tool-card:hover .tc-arrow{gap:9px}

/* Thickness */
.thick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.thick-card{background:var(--bg2);border:1px solid var(--brd);border-radius:16px;padding:21px;position:relative;overflow:hidden;transition:border-color .18s,transform .18s}
.thick-card:hover{border-color:var(--brd2);transform:translateY(-3px)}
.thick-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--a)}
.thick-tag{font-size:10.5px;font-weight:700;color:var(--a);text-transform:uppercase;letter-spacing:.07em;margin-bottom:7px}
.thick-card h3{font-size:15px;font-weight:700;margin-bottom:8px}
.thick-num{font-family:var(--mono);font-size:28px;font-weight:900;color:var(--a);line-height:1}
.thick-unit{font-size:13px;color:var(--t2)}
.thick-card p{font-size:12px;color:var(--t3);line-height:1.55;margin-top:9px}

/* Compaction */
.comp-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:var(--bg2);border:1px solid var(--brd);border-radius:20px;padding:28px;margin-bottom:24px}
.comp-bar{height:44px;border-radius:8px;display:flex;align-items:center;padding:0 14px;font-family:var(--mono);font-size:13px;font-weight:700;margin-bottom:9px}
.comp-loose{background:rgba(245,158,11,.13);border:1px solid rgba(245,158,11,.26);color:var(--a);width:100%}
.comp-arrow{text-align:center;color:var(--t3);font-size:20px;padding:3px 0}
.comp-compact{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.22);color:var(--g);width:80%}
.comp-text p{font-size:13.5px;color:var(--t2);line-height:1.7;margin-bottom:13px}
.comp-tip{background:var(--abg);border:1px solid var(--alo);border-radius:8px;padding:12px;font-size:12px;color:var(--a);line-height:1.55}
.waste-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.waste-card{background:var(--bg2);border:1px solid var(--brd);border-radius:12px;padding:14px;text-align:center}
.waste-pct{font-family:var(--mono);font-size:24px;font-weight:900;color:var(--a);line-height:1;margin-bottom:5px}
.waste-lbl{font-size:10.5px;color:var(--t3);line-height:1.4;font-weight:600}

/* Cost grid */
.cost-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cost-box{background:var(--bg1);border:1px solid var(--brd);border-radius:16px;padding:20px}
.cost-box-t{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--t3);margin-bottom:12px}
.cost-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--brd)}
.cost-row:last-child{border-bottom:none}
.cr-l{font-size:13px;color:var(--t2)}.cr-v{font-family:var(--mono);font-weight:700;color:var(--t1);font-size:12.5px}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.step-card{background:var(--bg2);border:1px solid var(--brd);border-radius:16px;padding:21px;transition:border-color .18s,transform .18s}
.step-card:hover{border-color:var(--brd2);transform:translateY(-3px)}
.step-n{font-family:var(--mono);font-size:28px;font-weight:900;color:var(--a);opacity:.28;line-height:1;margin-bottom:9px}
.step-card h3{font-size:14.5px;font-weight:700;margin-bottom:6px}
.step-card p{font-size:12.5px;color:var(--t2);line-height:1.6}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}
.faq-item{border-bottom:1px solid var(--brd)}
.faq-btn{width:100%;padding:16px 0;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--t1);background:none;border:none;font-family:inherit;cursor:pointer;text-align:left;transition:color .15s}
.faq-btn:hover{color:var(--a)}
.faq-icon{width:20px;height:20px;flex-shrink:0;background:var(--bg3);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--t3);transition:transform .28s,background .15s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--abg);color:var(--a)}
.faq-ans{max-height:0;overflow:hidden;font-size:13.5px;color:var(--t2);line-height:1.75;transition:max-height .32s ease,padding .32s ease}
.faq-item.open .faq-ans{max-height:400px;padding-bottom:16px}

/* Trust */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.trust-card{text-align:center;padding:20px 13px;background:var(--bg2);border:1px solid var(--brd);border-radius:16px}
.trust-icon{font-size:26px;margin-bottom:9px}
.trust-card h3{font-size:13.5px;font-weight:700;margin-bottom:3px}
.trust-card p{font-size:11.5px;color:var(--t3);line-height:1.5}

/* Blog */
.blog-cats{display:flex;gap:6px;flex-wrap:wrap;padding:18px 0}
.bcat{padding:6px 14px;border-radius:100px;border:1px solid var(--brd);font-size:12.5px;font-weight:600;color:var(--t2);background:var(--bg2);cursor:pointer;transition:all .15s}
.bcat:hover,.bcat.active{background:var(--abg);border-color:var(--alo);color:var(--a)}
.blog-empty{text-align:center;padding:80px 20px}
.blog-empty-icon{font-size:54px;opacity:.3;margin-bottom:18px}
.blog-empty h3{font-size:22px;font-weight:700;color:var(--t2);margin-bottom:10px}
.blog-empty p{font-size:14.5px;line-height:1.7;color:var(--t2);max-width:440px;margin:0 auto 22px}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(295px,1fr));gap:16px}
.blog-card{display:block;background:var(--bg2);border:1px solid var(--brd);border-radius:16px;overflow:hidden;transition:border-color .18s,transform .18s;opacity:.55;pointer-events:none}
.blog-card.live{opacity:1;pointer-events:auto}
.blog-card.live:hover{border-color:var(--brd2);transform:translateY(-3px)}
.blog-thumb{height:130px;background:var(--bg3);display:flex;align-items:center;justify-content:center;font-size:42px;border-bottom:1px solid var(--brd)}
.blog-body{padding:18px}
.blog-cat{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--a);margin-bottom:8px}
.blog-card h3{font-size:14.5px;font-weight:700;margin-bottom:7px;line-height:1.4}
.blog-card p{font-size:12.5px;color:var(--t2);line-height:1.6;margin-bottom:12px}
.blog-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--t3)}

/* Legal */
.legal-page{padding:52px 0 80px}
.legal-page h2{font-size:20px;font-weight:700;margin:34px 0 11px;color:var(--t1)}
.legal-page h3{font-size:16px;font-weight:700;margin:22px 0 7px;color:var(--t1)}
.legal-page p{font-size:14.5px;color:var(--t2);line-height:1.8;margin-bottom:13px}
.legal-page ul,.legal-page ol{padding-left:20px;margin-bottom:13px}
.legal-page li{font-size:14.5px;color:var(--t2);line-height:1.8;margin-bottom:5px}
.legal-page a{color:var(--a);text-decoration:underline;text-decoration-color:var(--alo)}
.legal-meta{font-size:12px;color:var(--t3);margin-bottom:24px;padding-bottom:14px;border-bottom:1px solid var(--brd)}
.legal-warn{background:var(--abg);border:1px solid var(--alo);border-radius:12px;padding:18px;margin-bottom:24px}
.legal-warn p{color:var(--a);font-size:13.5px;margin:0}

/* Contact */
.contact-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:start}
.contact-card{background:var(--bg2);border:1px solid var(--brd);border-radius:16px;padding:26px}
.form-f{margin-bottom:14px}
.form-f label{display:block;font-size:12px;font-weight:600;color:var(--t2);margin-bottom:5px}
.form-f textarea{width:100%;padding:10px 12px;background:var(--bg3);border:1px solid var(--brd);border-radius:8px;color:var(--t1);font-family:var(--ff);font-size:13.5px;resize:vertical;min-height:115px;line-height:1.5;transition:border-color .15s}
.form-f textarea:focus{outline:none;border-color:var(--a);box-shadow:0 0 0 3px rgba(245,158,11,.09)}

/* Footer */
.site-footer{background:var(--bg0);border-top:1px solid var(--brd);padding:54px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-brand-desc{font-size:13px;color:var(--t2);line-height:1.7;margin-top:12px}
.footer-col-t{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--t3);margin-bottom:12px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:13px;color:var(--t2);transition:color .15s}
.footer-links a:hover{color:var(--a)}
.footer-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:18px;border-top:1px solid var(--brd);font-size:11.5px;color:var(--t3)}
.footer-bot a{color:var(--t2);transition:color .15s}.footer-bot a:hover{color:var(--a)}

/* Animations */
@keyframes slideup{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.anim{animation:slideup .44s ease both}
.a1{animation-delay:.1s}.a2{animation-delay:.2s}.a3{animation-delay:.3s}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.reveal.visible{opacity:1;transform:none}

/* Responsive */
@media(max-width:960px){
  .calc-grid{grid-template-columns:1fr}
  .calc-results{order:1}
  .comp-layout{grid-template-columns:1fr}
  .cost-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .contact-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .main-nav,.hdr-cta{display:none}
  .hamburger{display:flex}
  .mob-menu{display:flex}
  .hero{padding:36px 0 28px}
  .field-row{grid-template-columns:1fr}
  .field-row3{grid-template-columns:1fr 1fr}
  .waste-cards{grid-template-columns:1fr 1fr}
  .thick-grid{grid-template-columns:1fr 1fr}
  .wrap{padding:0 16px}.wrap-sm{padding:0 16px}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:16px}
  .thick-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .field-row3{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}