/* ═══════════════════════════════════
   GarmentKit — Global Stylesheet
═══════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --green:#0F6E56;--green-dark:#085041;
  --green-light:#E1F5EE;--green-mid:#5DCAA5;
  --yellow:#C89B2A;
  --text:#1a1a18;--text-secondary:#5a5a56;--text-tertiary:#9a9a94;
  --bg:#ffffff;--bg-secondary:#f7f6f2;
  --border:rgba(0,0,0,0.08);--border-md:rgba(0,0,0,0.13);
  --r-sm:6px;--r-md:10px;--r-lg:14px;
  --serif:'Instrument Serif',serif;--sans:'DM Sans',sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--bg);overflow-x:hidden}
img{max-width:100%;display:block}
input,select,textarea,button{font-family:var(--sans)}

/* NAV */
.nav{display:flex;align-items:center;justify-content:space-between;padding:0 2.5rem;height:62px;border-bottom:0.5px solid var(--border);background:var(--bg);position:fixed;top:0;left:0;right:0;z-index:1000;transition:box-shadow 0.2s}
.nav.scrolled{box-shadow:0 2px 16px rgba(0,0,0,0.08)}
/* Push page content below fixed nav */
body{padding-top:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{width:30px;height:30px;background:var(--green);border-radius:7px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-mark i{color:#fff;font-size:16px}
.brand-name{font-family:var(--serif);font-size:20px;letter-spacing:-0.3px;color:var(--text)}
.brand-name .kit{color:var(--yellow)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{padding:6px 14px;font-size:14px;color:var(--text-secondary);cursor:pointer;border-radius:var(--r-sm);border:none;background:transparent;text-decoration:none;transition:all 0.12s;display:inline-block}
.nav-link:hover,.nav-link.active{color:var(--text);background:var(--bg-secondary)}
.nav-link.active{font-weight:500}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;border:none;background:none}
.hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px;display:block;transition:all 0.2s}
.mobile-menu{display:none;flex-direction:column;padding:0.5rem 1.5rem;border-bottom:0.5px solid var(--border);background:var(--bg);position:fixed;top:62px;left:0;right:0;z-index:999}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{padding:10px 0;border-radius:0;border-bottom:0.5px solid var(--border);display:block}
.mobile-menu .nav-link:last-child{border-bottom:none}

/* LOADER */
#page-loader{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;opacity:0;pointer-events:none;transition:opacity 0.2s}
#page-loader.show{opacity:1;pointer-events:all}
.loader-brand{display:flex;align-items:center;gap:9px}
.loader-mark{width:32px;height:32px;background:var(--green);border-radius:8px;display:flex;align-items:center;justify-content:center}
.loader-mark i{color:#fff;font-size:17px}
.loader-name{font-family:var(--serif);font-size:20px}
.loader-name .kit{color:var(--yellow)}
.loader-bar-track{width:120px;height:2px;background:var(--border);border-radius:2px;overflow:hidden}
.loader-bar{height:100%;background:var(--green);border-radius:2px;width:0}
@keyframes loaderBar{0%{width:0;opacity:1}70%{width:85%;opacity:1}100%{width:100%;opacity:0}}
.loader-bar.run{animation:loaderBar 0.5s cubic-bezier(0.4,0,0.2,1) forwards}

/* MODALS */
.modal-overlay{display:none;position:fixed;inset:0;z-index:9998;background:rgba(4,26,20,0.82);align-items:center;justify-content:center;padding:1.5rem;backdrop-filter:blur(4px)}
.modal-overlay.open{display:flex}
.modal-close{width:32px;height:32px;border-radius:var(--r-sm);border:0.5px solid var(--border);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 0.15s}
.modal-close:hover{background:var(--bg-secondary)}
.modal-close i{font-size:16px;color:var(--text-secondary)}
.vmodal-box{background:var(--bg);border-radius:var(--r-lg);width:100%;max-width:780px;overflow:hidden;border:0.5px solid var(--border-md)}
.vmodal-header{display:flex;align-items:flex-start;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:0.5px solid var(--border);gap:1rem}
.vmodal-tag{font-size:11px;font-weight:500;color:var(--green);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:4px}
.vmodal-title{font-size:15px;font-weight:500}
.vmodal-player{position:relative;width:100%;padding-top:56.25%;background:#0a0a0a}
.vmodal-player iframe{position:absolute;inset:0;width:100%;height:100%}
.vmodal-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:rgba(255,255,255,0.45)}
.vmodal-placeholder i{font-size:40px}
.vmodal-placeholder p{font-size:13px}
.vmodal-placeholder.hidden{display:none}
.trial-box{background:var(--bg);border-radius:var(--r-lg);width:100%;max-width:520px;overflow:hidden;border:0.5px solid var(--border-md);max-height:90vh;overflow-y:auto}
.trial-header{display:flex;align-items:flex-start;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:0.5px solid var(--border);gap:1rem;background:var(--bg-secondary);position:sticky;top:0;z-index:1}
.trial-tag{font-size:11px;font-weight:500;color:var(--green);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:4px}
.trial-title{font-size:16px;font-weight:500;font-family:var(--serif)}
.trial-body{padding:1.5rem}
.trial-desc{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:1.25rem;padding-bottom:1.25rem;border-bottom:0.5px solid var(--border)}
.form-error{font-size:12px;color:#A32D2D;margin-bottom:0.75rem;min-height:16px}
.trial-note{font-size:11px;color:var(--text-tertiary);margin-top:0.75rem;display:flex;align-items:center;gap:5px}
.trial-note i{font-size:13px;color:var(--green)}
.trial-success{display:none;text-align:center;padding:3rem 2rem}
.trial-success i{font-size:44px;color:var(--green);display:block;margin-bottom:1rem}
.trial-success h3{font-family:var(--serif);font-size:22px;margin-bottom:0.5rem}
.trial-success p{font-size:13px;color:var(--text-secondary);line-height:1.6}

/* COMMON */
.sec-label{font-size:11px;font-weight:500;letter-spacing:0.7px;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:0.5rem}
.sec-h{font-family:var(--serif);font-size:clamp(24px,4vw,34px);font-weight:400;letter-spacing:-0.5px;margin-bottom:0.75rem;line-height:1.2}
.sec-p{font-size:14px;color:var(--text-secondary);line-height:1.75;max-width:540px}
.section{padding:4rem 2rem;max-width:960px;margin:0 auto}
.divider{height:0.5px;background:var(--border)}
.btn-primary{font-size:14px;padding:11px 24px;border-radius:var(--r-sm);cursor:pointer;font-weight:500;background:var(--green);color:#fff;border:none;transition:background 0.15s,transform 0.15s;text-decoration:none;display:inline-block}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px)}
.btn-ghost{font-size:14px;padding:11px 24px;border-radius:var(--r-sm);cursor:pointer;font-weight:500;background:transparent;color:var(--text);border:0.5px solid var(--border-md);text-decoration:none;display:inline-block;transition:background 0.15s}
.btn-ghost:hover{background:var(--bg-secondary)}

/* FORMS */
.form-row{margin-bottom:1.125rem}
.form-label{font-size:12px;font-weight:500;color:var(--text-secondary);display:block;margin-bottom:5px}
.form-row input,.form-row textarea,.form-row select{width:100%;font-size:13px;padding:9px 12px;border:0.5px solid var(--border-md);border-radius:var(--r-sm);background:var(--bg);color:var(--text);outline:none;transition:border-color 0.15s;appearance:none;font-family:var(--sans)}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{border-color:var(--green)}
.form-row textarea{resize:vertical;min-height:110px}
.form-2col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.submit-btn{width:100%;padding:11px;background:var(--green);color:#fff;border:none;border-radius:var(--r-sm);font-size:14px;font-weight:500;cursor:pointer;margin-top:0.5rem;transition:background 0.15s,transform 0.15s;display:flex;align-items:center;justify-content:center;gap:6px}
.submit-btn:hover{background:var(--green-dark);transform:translateY(-1px)}
.submit-btn:disabled{opacity:0.65;cursor:not-allowed;transform:none}

/* FOOTER */
.footer{display:flex;align-items:center;justify-content:space-between;padding:1.5rem 2.5rem;border-top:0.5px solid var(--border);flex-wrap:wrap;gap:1rem}
.footer-brand{display:flex;align-items:center;gap:8px}
.footer-brand .brand-mark{width:24px;height:24px}
.footer-brand .brand-mark i{font-size:13px}
.footer-brand .brand-name{font-size:15px}
.footer-copy{font-size:12px;color:var(--text-tertiary)}
.footer-links{display:flex;gap:1.25rem}
.footer-links a{font-size:12px;color:var(--text-tertiary);text-decoration:none;transition:color 0.12s}
.footer-links a:hover{color:var(--text)}

/* TOOL CALC LAYOUT */
.tool-page-top{border-bottom:0.5px solid var(--border);padding:1.5rem 2rem 0;max-width:1100px;margin:0 auto}
.tool-back{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);text-decoration:none;transition:color 0.15s;margin-bottom:1.25rem}
.tool-back:hover{color:var(--green)}
.tool-back i{font-size:14px}
.tool-page-header{display:flex;align-items:flex-start;gap:1rem;padding-bottom:1.5rem}
.tool-page-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:#E1F5EE}
.tool-page-icon i{color:#085041;font-size:22px}
.tool-page-h1{font-family:var(--serif);font-size:clamp(22px,3vw,28px);font-weight:400;letter-spacing:-0.5px;margin:0.2rem 0 0.4rem}
.tool-page-sub{font-size:13px;color:var(--text-secondary);line-height:1.6;max-width:560px}
.calc-layout{display:grid;grid-template-columns:1fr 300px;gap:16px;padding:1.5rem 2rem 3rem;max-width:1100px;margin:0 auto}
.calc-card{background:var(--bg);border:0.5px solid var(--border);border-radius:var(--r-lg);overflow:hidden}
.calc-card-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:0.5px solid var(--border);background:var(--bg-secondary)}
.calc-card-title{font-size:13px;font-weight:500}
.calc-add-btn{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:500;padding:5px 12px;border-radius:var(--r-sm);background:var(--green);color:#fff;border:none;cursor:pointer;transition:background 0.15s}
.calc-add-btn:hover{background:var(--green-dark)}
.calc-cols-head{display:flex;align-items:center;gap:8px;padding:0.6rem 1.25rem;background:var(--bg-secondary);border-bottom:0.5px solid var(--border);font-size:11px;font-weight:500;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:0.4px}
.calc-row{display:flex;align-items:center;gap:8px;padding:0.5rem 1.25rem;border-bottom:0.5px solid var(--border);transition:background 0.12s}
.calc-row:last-child{border-bottom:none}
.calc-row:hover{background:var(--bg-secondary)}
.calc-input{font-size:13px;color:var(--text);border:0.5px solid var(--border);border-radius:var(--r-sm);padding:6px 8px;background:var(--bg);outline:none;transition:border-color 0.15s;width:100%;font-family:var(--sans)}
.calc-input:focus{border-color:var(--green)}
.calc-val{font-size:13px;font-weight:500;color:var(--green);min-width:60px;text-align:center}
.calc-remove{width:28px;height:28px;border-radius:var(--r-sm);border:0.5px solid var(--border);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all 0.15s}
.calc-remove:hover{background:#FCEBEB;border-color:#F09595}
.calc-remove i{font-size:14px;color:var(--text-tertiary)}
.calc-remove:hover i{color:#A32D2D}
.calc-add-row{display:flex;align-items:center;gap:6px;width:100%;padding:0.75rem 1.25rem;font-size:13px;color:var(--text-tertiary);background:none;border:none;cursor:pointer;transition:color 0.15s;text-align:left;font-family:var(--sans)}
.calc-add-row:hover{color:var(--green)}
.calc-settings{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border)}
.calc-field{background:var(--bg);padding:1rem 1.25rem}
.calc-label{font-size:11px;font-weight:500;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:0.4px;display:block;margin-bottom:6px}
.calc-number,.calc-select{font-size:15px;font-weight:500;font-family:var(--sans);color:var(--text);border:0.5px solid var(--border);border-radius:var(--r-sm);padding:7px 10px;background:var(--bg);outline:none;width:100%;transition:border-color 0.15s}
.calc-select{font-size:13px;font-weight:400;appearance:none;cursor:pointer}
.calc-number:focus,.calc-select:focus{border-color:var(--green)}
.results-card{position:sticky;top:78px}
.result-main{padding:1.5rem 1.25rem;text-align:center;background:var(--green-light)}
.result-label{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-tertiary);margin-bottom:6px}
.result-big{font-family:var(--serif);font-size:48px;font-weight:400;color:var(--green);line-height:1;letter-spacing:-2px}
.result-unit{font-size:12px;color:var(--text-tertiary);margin-top:4px}
.result-divider{height:0.5px;background:var(--border)}
.result-row{display:flex;align-items:center;justify-content:space-between;padding:0.625rem 1.25rem;font-size:13px;color:var(--text-secondary);border-bottom:0.5px solid var(--border)}
.result-row:last-of-type{border-bottom:none}
.result-row strong{font-weight:500;color:var(--text)}
.result-section-label{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-tertiary);padding:0.75rem 1.25rem 0.25rem;display:block}
.export-btn{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;padding:0.875rem;font-size:13px;font-weight:500;background:var(--bg-secondary);color:var(--text);border:none;cursor:pointer;transition:background 0.15s,color 0.15s;font-family:var(--sans)}
.export-btn:hover{background:var(--green-light);color:var(--green)}
.export-btn i{font-size:15px}

/* MOTION — visible by default, animated only when JS loads */
.reveal{opacity:1;transform:none}
.reveal-scale{opacity:1;transform:none}
.reveal-stagger>*{opacity:1;transform:none}

@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(0.93)}to{opacity:1;transform:scale(1)}}

@media(prefers-reduced-motion:no-preference){
  .js-ready .reveal{opacity:0;transform:translateY(20px);transition:opacity 0.55s ease,transform 0.55s ease}
  .js-ready .reveal.visible{opacity:1;transform:translateY(0)}
  .js-ready .reveal-scale{opacity:0;transform:scale(0.96);transition:opacity 0.5s ease,transform 0.5s ease}
  .js-ready .reveal-scale.visible{opacity:1;transform:scale(1)}
  .js-ready .reveal-stagger>*{opacity:0;transform:translateY(16px);transition:opacity 0.45s ease,transform 0.45s ease}
  .js-ready .reveal-stagger.visible>*:nth-child(1){opacity:1;transform:none;transition-delay:0s}
  .js-ready .reveal-stagger.visible>*:nth-child(2){opacity:1;transform:none;transition-delay:0.08s}
  .js-ready .reveal-stagger.visible>*:nth-child(3){opacity:1;transform:none;transition-delay:0.16s}
  .js-ready .reveal-stagger.visible>*:nth-child(4){opacity:1;transform:none;transition-delay:0.24s}
  .js-ready .reveal-stagger.visible>*:nth-child(5){opacity:1;transform:none;transition-delay:0.32s}
}

.modal-overlay{opacity:0;transition:opacity 0.25s ease;display:none}
.modal-overlay.open{opacity:1;display:flex}
.modal-overlay.open .vmodal-box,
.modal-overlay.open .trial-box{animation:scaleIn 0.28s cubic-bezier(0.34,1.56,0.64,1) both}

@media(prefers-reduced-motion:no-preference){
  .mobile-menu{opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity 0.2s,transform 0.2s}
  .mobile-menu.open{opacity:1;transform:translateY(0);pointer-events:auto}
}

/* RESPONSIVE */
@media(max-width:768px){
  .nav{padding:0 1.25rem}
  .nav-links{display:none}
  .hamburger{display:flex}
  .section{padding:2.5rem 1.25rem}
  .form-2col{grid-template-columns:1fr}
  .footer{padding:1.25rem 1.5rem;flex-direction:column;align-items:flex-start;gap:0.75rem}
  .calc-layout{grid-template-columns:1fr;padding:1rem 1rem 2rem}
  .results-card{position:static}
  .calc-settings{grid-template-columns:1fr}
  .calc-cols-head{display:none}
  .tool-page-top{padding:1.25rem 1rem 0}
}