/* ============================================================
   Roberto Structural — shared stylesheet
   Colors derived from logo (steel gray + copper accent).
   Edit design tokens in :root below.
   ============================================================ */
:root{
  --charcoal:#1C1F22; --charcoal-2:#2A2E33; --steel:#6B7177; --steel-light:#9AA0A6;
  --silver:#C5C9CE; --paper:#F5F6F7; --white:#FFFFFF;
  --accent:#D97B34; --accent-hover:#C2651F; --accent-soft:rgba(217,123,52,.12);
  --teal:#17A092; --teal-soft:#B7DCD3;
  --container:1200px; --radius:12px;
  --ff-body:"Be Vietnam Pro",system-ui,"Segoe UI",sans-serif;
  --ff-head:"Space Grotesk","Be Vietnam Pro",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--ff-body);color:var(--charcoal);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--ff-head);line-height:1.15;font-weight:700}
.container{max-width:var(--container);margin:0 auto;padding:0 clamp(1rem,5vw,4rem)}
.section{padding:clamp(4rem,10vw,8rem) 0}
.eyebrow{font-family:var(--ff-head);text-transform:uppercase;letter-spacing:.18em;font-size:.8rem;color:var(--accent);font-weight:600;margin-bottom:1rem}
.h2{font-size:clamp(1.6rem,3.5vw,2.6rem);text-transform:uppercase;letter-spacing:.01em}
.lead{color:var(--steel);max-width:60ch;margin-top:1rem}
a{color:inherit;text-decoration:none}

/* Buttons (subtle hover animation) */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.6rem;border-radius:8px;font-weight:600;font-family:var(--ff-head);font-size:.95rem;cursor:pointer;transition:all .25s ease;border:1.5px solid transparent}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(217,123,52,.32)}
.btn-ghost{border-color:var(--steel);color:inherit}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost.on-dark:hover{border-color:var(--accent);color:var(--accent)}
.btn-block{width:100%;justify-content:center}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(28,31,34,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.7rem;color:#fff}
.brand img{height:42px;width:auto;border-radius:6px;display:block}
.brand b{font-family:var(--ff-head);font-size:1.05rem;letter-spacing:.04em;text-transform:uppercase}
.nav-links{display:none;gap:1.6rem;align-items:center}
.nav-links a{color:var(--steel-light);font-size:.92rem;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-right{display:flex;align-items:center;gap:1rem}
.lang{display:flex;border:1px solid rgba(255,255,255,.2);border-radius:6px;overflow:hidden}
.lang button{background:transparent;color:var(--steel-light);border:0;padding:.35rem .6rem;font-size:.8rem;font-weight:600;cursor:pointer;font-family:var(--ff-head)}
.lang button.active{background:var(--accent);color:#fff}
.menu-toggle{display:flex;background:none;border:0;color:#fff;cursor:pointer;flex-direction:column;gap:5px}
.menu-toggle span{width:24px;height:2px;background:#fff;display:block;transition:.2s}
@media(min-width:1024px){.nav-links{display:flex!important}.menu-toggle{display:none}}
@media(max-width:1023px){
  .nav-links{position:absolute;top:72px;left:0;right:0;background:#1C1F22;flex-direction:column;align-items:flex-start;padding:1rem clamp(1rem,5vw,4rem);gap:.4rem;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links a{padding:.5rem 0;width:100%}
  body:not(.nav-open) .nav-links{display:none}
  body.nav-open .nav-links{display:flex}
}

/* Hero (home) */
.hero{position:relative;border-bottom:1px solid #BcdAD3;background:
  radial-gradient(1100px 480px at 82% -15%,rgba(217,123,52,.16),transparent 60%),
  radial-gradient(950px 520px at 6% 112%,rgba(23,160,146,.28),transparent 62%),
  linear-gradient(160deg,#EAF5F1 0%,#CFE7E0 55%,#B7DCD3 100%);
  color:var(--charcoal);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;opacity:.45;
  background-image:linear-gradient(rgba(20,60,55,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(20,60,55,.06) 1px,transparent 1px);
  background-size:46px 46px;pointer-events:none}
.hero .container{position:relative;z-index:2;padding-top:clamp(3.5rem,8vw,6rem);padding-bottom:clamp(3.5rem,8vw,6rem)}
.hero h1{font-size:clamp(2.2rem,5.5vw,4.2rem);text-transform:uppercase;letter-spacing:.01em;max-width:18ch}
.hero h1 .hl{color:var(--accent)}
.hero .slogan{color:var(--steel);font-size:clamp(1rem,2vw,1.25rem);margin-top:1.4rem;max-width:55ch}
.hero-cta{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap}
.hero-grid{display:grid;gap:clamp(2rem,5vw,3.5rem);align-items:center}
@media(min-width:980px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:16px;display:block;box-shadow:0 30px 60px rgba(20,60,55,.28)}
.hero-media::after{content:"";position:absolute;left:-10px;bottom:-10px;width:72px;height:72px;border-left:3px solid var(--accent);border-bottom:3px solid var(--accent);border-radius:0 0 0 12px}
.about-split{display:grid;gap:clamp(2rem,5vw,3rem);align-items:center}
@media(min-width:900px){.about-split{grid-template-columns:.85fr 1.15fr}}
.about-media img{width:100%;border-radius:16px;display:block;box-shadow:0 24px 50px rgba(20,60,55,.18)}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem 2rem;margin-top:3.5rem;max-width:640px}
@media(min-width:768px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat b{font-family:var(--ff-head);font-size:clamp(1.8rem,4vw,2.6rem);color:var(--charcoal);display:block}
.stat span{color:var(--steel);font-size:.85rem}
.stat b .accent{color:var(--accent)}

/* Page hero (sub-pages) */
.page-hero{position:relative;border-bottom:1px solid #BcdAD3;background:
  radial-gradient(900px 420px at 88% -30%,rgba(217,123,52,.16),transparent 60%),
  linear-gradient(160deg,#EAF5F1 0%,#CFE7E0 60%,#B7DCD3 100%);
  padding:clamp(2.5rem,6vw,4.5rem) 0}
.breadcrumb{font-size:.85rem;color:var(--steel);margin-bottom:.7rem}
.breadcrumb a:hover{color:var(--accent)}
.page-hero h1{font-size:clamp(1.9rem,4.5vw,3rem);text-transform:uppercase}
.page-hero p{color:var(--steel);max-width:60ch;margin-top:.8rem}

/* Generic grids */
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media(min-width:640px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:1fr 1fr}}

/* Industry cards */
.ind{position:relative;border-radius:var(--radius);overflow:hidden;min-height:240px;display:flex;align-items:flex-end;padding:1.5rem;color:#fff;transition:transform .3s ease,box-shadow .3s ease}
.ind:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.18)}
.ind::before{content:"";position:absolute;inset:0;z-index:0;transition:transform .4s ease}
.ind:hover::before{transform:scale(1.06)}
.ind>* {position:relative;z-index:1}
.ind h3{font-size:1.2rem;text-transform:uppercase;letter-spacing:.03em}
.ind p{color:rgba(255,255,255,.8);font-size:.9rem}
.ind .num{font-family:var(--ff-head);color:var(--accent);font-weight:700;font-size:.8rem;letter-spacing:.1em}
.ind-1::before{background:linear-gradient(180deg,rgba(28,31,34,.12),rgba(28,31,34,.86)),url('../../Resource/05.webp');background-size:cover;background-position:center}
.ind-2::before{background:linear-gradient(180deg,rgba(28,31,34,.12),rgba(28,31,34,.86)),url('../../Resource/02.webp');background-size:cover;background-position:center}
.ind-3::before{background:linear-gradient(180deg,rgba(28,31,34,.12),rgba(28,31,34,.86)),url('../../Resource/04.webp');background-size:cover;background-position:center}
.ind-4::before{background:linear-gradient(180deg,rgba(28,31,34,.12),rgba(28,31,34,.86)),url('../../Resource/01.webp');background-size:cover;background-position:center}

/* Capability cards (structure types) */
.cap{background:var(--white);border:1px solid var(--silver);border-top:3px solid var(--accent);border-radius:var(--radius);padding:1.9rem;transition:transform .3s,box-shadow .3s}
.cap:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.09)}
.cap-head{display:flex;align-items:center;gap:.8rem;margin-bottom:1.2rem}
.cap-num{font-family:var(--ff-head);font-weight:700;color:var(--accent);font-size:.82rem;letter-spacing:.1em;background:var(--accent-soft);padding:.35rem .65rem;border-radius:8px}
.cap-head h3{font-size:1.22rem;text-transform:uppercase;letter-spacing:.02em}
.cap-list{list-style:none;display:flex;flex-direction:column;gap:.75rem}
.cap-list li{font-size:.92rem;color:var(--steel);padding-left:1.15rem;position:relative;line-height:1.55}
.cap-list li::before{content:"";position:absolute;left:0;top:.5rem;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.cap-list li b{color:var(--charcoal);font-weight:600}

/* Value props */
.feature{background:var(--white);border:1px solid var(--silver);border-radius:var(--radius);padding:1.8rem;transition:transform .3s,box-shadow .3s}
.feature:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.08)}
.feature .ico{width:48px;height:48px;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;color:var(--accent)}
.feature h3{font-size:1.1rem;margin-bottom:.5rem}
.feature p{color:var(--steel);font-size:.92rem}

/* Section dark */
.dark{background:var(--charcoal);color:#fff}
.dark .lead{color:var(--steel-light)}
.dark .h2{color:#fff}

/* Project cards */
.proj{background:var(--charcoal-2);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s}
.proj:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.proj .thumb{height:200px;background:url('../../Resource/06.webp') center/cover;position:relative;overflow:hidden}
.proj:nth-child(2) .thumb{background:url('../../Resource/07.webp') center/cover}
.proj:nth-child(3) .thumb{background:url('../../Resource/03.webp') center/cover}
.proj .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(28,31,34,.35))}
.proj .body{padding:1.4rem}
.proj .tag{font-family:var(--ff-head);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.proj h3{color:#fff;font-size:1.15rem;margin:.4rem 0}
.proj p{color:var(--steel-light);font-size:.88rem}

/* Tools teaser (home) */
.tool{background:var(--white);border:1px solid var(--silver);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.tool:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.1)}
.tool .head{padding:1.4rem;background:linear-gradient(135deg,var(--charcoal),var(--charcoal-2));color:#fff}
.tool .head .tag{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-family:var(--ff-head)}
.tool .head h3{color:#fff;margin-top:.3rem;font-size:1.2rem}
.tool .body{padding:1.4rem;display:flex;flex-direction:column;gap:.8rem;flex:1}
.tool ul{list-style:none;display:flex;flex-direction:column;gap:.45rem}
.tool li{font-size:.88rem;color:var(--steel);display:flex;gap:.5rem;align-items:flex-start}
.tool li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:.5rem;flex:none}
.tool .price{font-family:var(--ff-head);font-weight:700;font-size:1.3rem;margin-top:auto}
.tool .price small{color:var(--steel);font-weight:500;font-size:.8rem}

/* ===== Tools catalog (tools.html) ===== */
.filters{display:flex;flex-wrap:wrap;gap:.6rem;margin:2rem 0}
.filter-btn{padding:.5rem 1.1rem;border:1px solid var(--silver);border-radius:999px;background:#fff;font-size:.85rem;font-weight:600;cursor:pointer;font-family:var(--ff-head);transition:all .2s}
.filter-btn:hover{border-color:var(--accent);color:var(--accent)}
.filter-btn.active{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}
.tcard{background:#fff;border:1px solid var(--silver);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.tcard:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.1)}
.tcard .thumb{height:180px;background:var(--charcoal-2) center/cover;position:relative;display:block}
.tcard .thumb .cat{position:absolute;top:.8rem;left:.8rem;background:rgba(28,31,34,.82);color:#fff;font-size:.68rem;font-family:var(--ff-head);letter-spacing:.08em;text-transform:uppercase;padding:.3rem .7rem;border-radius:999px}
.tcard .b{padding:1.3rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.tcard h3{font-size:1.12rem}
.tcard .desc{color:var(--steel);font-size:.9rem;flex:1}
.tcard .meta{display:flex;gap:1.2rem;font-size:.76rem;color:var(--steel);border-top:1px solid var(--silver);padding-top:.8rem;margin-top:.3rem}
.tcard .meta b{color:var(--charcoal);font-family:var(--ff-head);display:block}
.tcard .foot{display:flex;gap:.6rem;align-items:center;justify-content:space-between;margin-top:.6rem}
.badge-free{background:var(--accent-soft);color:var(--accent);font-size:.72rem;font-weight:700;padding:.3rem .7rem;border-radius:999px;font-family:var(--ff-head)}
.badge-soon{background:#eceef0;color:var(--steel);font-size:.72rem;font-weight:700;padding:.3rem .7rem;border-radius:999px;font-family:var(--ff-head)}
.dw-inc{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;margin:.1rem 0 .2rem}
.dw-inc li{font-size:.72rem;font-weight:600;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:.25rem .65rem;font-family:var(--ff-head)}

/* ===== Tool detail (tool.html) ===== */
.detail-grid{display:grid;gap:2.5rem;margin-top:.5rem}
@media(min-width:900px){.detail-grid{grid-template-columns:1.6fr 1fr;align-items:start}}
.gallery .main-img{width:100%;border-radius:14px;border:1px solid var(--silver);display:block;aspect-ratio:16/10;object-fit:cover;background:var(--charcoal-2)}
.thumbs{display:flex;gap:.6rem;margin-top:.8rem;flex-wrap:wrap}
.thumbs img{width:88px;height:58px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer;opacity:.65;transition:all .2s;background:var(--charcoal-2)}
.thumbs img:hover,.thumbs img.active{opacity:1;border-color:var(--accent)}
.buybox{background:#fff;border:1px solid var(--silver);border-radius:14px;padding:1.6rem;position:sticky;top:90px}
.buybox .price{font-family:var(--ff-head);font-size:1.7rem;font-weight:700}
.buybox .price small{font-size:.8rem;color:var(--steel);font-weight:500}
.spec{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.88rem}
.spec td{padding:.5rem 0;border-bottom:1px solid var(--silver);color:var(--steel)}
.spec tr:last-child td{border-bottom:0}
.spec td:last-child{text-align:right;color:var(--charcoal);font-weight:600}
.feat-list{list-style:none;display:grid;gap:.6rem;margin-top:1rem}
.feat-list li{display:flex;gap:.6rem;align-items:flex-start;color:var(--steel);font-size:.95rem}
.feat-list li::before{content:"✓";color:var(--accent);font-weight:800}
.trust{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1.1rem}
.trust .chip{background:var(--paper);border:1px solid var(--silver);border-radius:999px;padding:.35rem .8rem;color:var(--steel);font-size:.76rem}
.checksum{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.72rem;word-break:break-all;background:var(--paper);padding:.6rem .7rem;border-radius:8px;color:var(--steel);margin-top:.6rem;border:1px solid var(--silver)}
.block-title{font-family:var(--ff-head);text-transform:uppercase;letter-spacing:.06em;font-size:.85rem;color:var(--charcoal);margin:2.2rem 0 .3rem}

/* ===== Email-gate modal ===== */
.modal{position:fixed;inset:0;background:rgba(15,17,19,.62);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:100;padding:1rem}
.modal.open{display:flex}
.modal-card{background:#fff;border-radius:16px;max-width:440px;width:100%;padding:2rem;position:relative;animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.modal-card h3{font-size:1.3rem;margin-bottom:.4rem}
.modal-card p{color:var(--steel);font-size:.9rem;margin-bottom:1.2rem}
.modal-card input{width:100%;padding:.8rem 1rem;border:1px solid var(--silver);border-radius:8px;font-family:var(--ff-body);margin-bottom:.8rem}
.modal-card input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.modal-card .close{position:absolute;top:.9rem;right:1.1rem;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--steel);line-height:1}
.modal-note{font-size:.75rem;color:var(--steel);margin-top:.9rem;line-height:1.5}
.hidden{display:none!important}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--accent),#a8541a);color:#fff;border-radius:18px;padding:clamp(2.2rem,5vw,3.5rem);text-align:center}
.cta-band h2{font-size:clamp(1.5rem,3.5vw,2.4rem);text-transform:uppercase;color:#fff}
.cta-band p{max-width:50ch;margin:1rem auto 1.8rem;color:rgba(255,255,255,.9)}
.cta-band .btn-primary{background:#fff;color:var(--accent)}
.cta-band .btn-primary:hover{background:var(--charcoal);color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.25)}

/* Footer */
footer{background:#15171a;color:var(--steel-light);padding-top:clamp(3rem,7vw,5rem)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:2.5rem}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr}}
footer h4{color:#fff;font-family:var(--ff-head);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.1rem}
footer a{display:block;color:var(--steel-light);font-size:.9rem;padding:.25rem 0;transition:color .2s}
footer a:hover{color:var(--accent)}
.social{display:flex;gap:.7rem;margin-top:1rem}
.social a{display:flex;width:40px;height:40px;border:1px solid rgba(255,255,255,.18);border-radius:8px;align-items:center;justify-content:center;color:#fff;transition:all .25s}
.social a:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.newsletter{display:flex;gap:.5rem;margin-top:1rem}
.newsletter input{flex:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:.7rem .9rem;color:#fff;font-family:var(--ff-body)}
.newsletter input::placeholder{color:var(--steel)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:3rem;padding:1.5rem 0;font-size:.82rem;text-align:center;color:var(--steel)}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.in{opacity:1;transform:none}
[data-stagger] .reveal{transition-delay:calc(var(--i,0)*80ms)}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{scroll-behavior:auto}}

/* ===== Tool cover fallback (tools without screenshots) ===== */
.thumb-blank{background:
  radial-gradient(120% 100% at 15% 0%,rgba(217,123,52,.28),transparent 60%),
  linear-gradient(140deg,var(--charcoal-2),var(--charcoal));
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.thumb-blank::after{content:"";position:absolute;inset:0;opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:26px 26px}
.thumb-initials{position:relative;z-index:1;font-family:var(--ff-head);font-weight:700;font-size:2.4rem;
  letter-spacing:.06em;color:rgba(255,255,255,.92);text-shadow:0 2px 12px rgba(0,0,0,.35)}
.host-tag{position:absolute;top:.8rem;right:.8rem;background:rgba(255,255,255,.14);backdrop-filter:blur(4px);
  color:#fff;font-size:.66rem;font-family:var(--ff-head);letter-spacing:.06em;padding:.28rem .6rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.22)}
.tcard-soon .thumb{filter:grayscale(.45)}
.tcard-soon{opacity:.92}
.shot-none{border:1px dashed var(--silver);border-radius:14px;aspect-ratio:16/10;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:.9rem;background:
  radial-gradient(120% 100% at 15% 0%,rgba(217,123,52,.10),transparent 60%),var(--paper)}
.shot-none-initials{font-family:var(--ff-head);font-weight:700;font-size:3rem;color:var(--silver);letter-spacing:.06em}
.shot-none p{color:var(--steel);font-size:.9rem}

/* ===== Purchase page ===== */
.badge-price{background:var(--charcoal);color:#fff;font-size:.78rem;font-weight:700;padding:.32rem .75rem;border-radius:999px;font-family:var(--ff-head);letter-spacing:.02em}
.buy-grid{display:grid;gap:2.2rem;align-items:start}
@media(min-width:960px){.buy-grid{grid-template-columns:1.55fr .95fr}}
.steps{list-style:none;display:flex;flex-direction:column;gap:1.6rem;counter-reset:step}
.step{display:flex;gap:1rem;align-items:flex-start}
.step-no{flex:none;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--ff-head);font-weight:700;font-size:1rem}
.step-body{flex:1;min-width:0}
.step-body h3{font-size:1.12rem;margin-bottom:.6rem}
.step-body .muted{color:var(--steel);font-size:.92rem;margin-bottom:.9rem}
.step-body .small{font-size:.82rem}
.pay-summary{display:grid;gap:.5rem;background:var(--white);border:1px solid var(--silver);border-radius:10px;padding:1rem 1.1rem;margin-bottom:.8rem}
.pay-summary>div{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.pay-summary span{color:var(--steel);font-size:.88rem}
.pay-summary b{font-family:var(--ff-head);font-size:1.15rem;color:var(--charcoal)}
.pay-summary b.ref{color:var(--accent);letter-spacing:.06em;font-family:ui-monospace,Consolas,monospace;font-size:1.05rem}
.warn{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;padding:.7rem .9rem;font-size:.88rem;color:var(--charcoal);margin-bottom:1.1rem}
.pay-methods{display:grid;gap:1rem}
@media(min-width:620px){.pay-methods{grid-template-columns:1fr 1fr}}
.pay-card{background:var(--white);border:1px solid var(--silver);border-radius:12px;padding:1.1rem}
.pay-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.7rem}
.pay-tag{background:var(--charcoal);color:#fff;font-size:.68rem;font-family:var(--ff-head);font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.25rem .6rem;border-radius:5px}
.pay-tag.momo{background:#A50064}
.pay-head b{font-size:.95rem}
.pay-table{width:100%;border-collapse:collapse;font-size:.86rem}
.pay-table td{padding:.35rem 0;vertical-align:top}
.pay-table td:first-child{color:var(--steel);width:44%}
.pay-table b{font-family:ui-monospace,Consolas,monospace;font-size:.95rem;color:var(--charcoal)}
.copy-mini{background:none;border:1px solid var(--silver);border-radius:5px;cursor:pointer;padding:0 .35rem;color:var(--steel);font-size:.8rem;transition:all .2s}
.copy-mini:hover{border-color:var(--accent);color:var(--accent)}
.pay-qr{width:100%;max-width:190px;margin:.9rem auto 0;display:block;border-radius:8px;border:1px solid var(--silver)}
.fld{display:flex;flex-direction:column;gap:.32rem;margin-bottom:.8rem}
.fld label{font-size:.84rem;color:var(--steel);font-weight:600}
.fld input{padding:.7rem .9rem;border:1px solid var(--silver);border-radius:8px;font-family:var(--ff-body);font-size:.95rem}
.fld input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.order-thanks{background:var(--accent-soft);border:1px solid var(--accent);border-radius:12px;padding:1.4rem;text-align:center}
.order-thanks h3{color:var(--accent);margin-bottom:.5rem}
/* Order could not be delivered — must read as a warning, never as success. */
.order-error{background:#FDF3F0;border:1px solid #C0392B;border-left:4px solid #C0392B;border-radius:12px;padding:1.4rem;margin-top:1rem}
.order-error h3{color:#C0392B;margin-bottom:.5rem;font-size:1.05rem}
.order-error p{font-size:.92rem;margin-bottom:1rem}
.order-thumb{height:130px;border-radius:10px;background:var(--charcoal-2) center/cover;border:1px solid var(--silver)}
.order-total{display:flex;justify-content:space-between;align-items:center;margin-top:1rem;padding-top:1rem;border-top:2px solid var(--charcoal)}
.order-total span{font-family:var(--ff-head);font-size:.88rem;color:var(--steel);text-transform:uppercase;letter-spacing:.06em}
.order-total b{font-family:var(--ff-head);font-size:1.5rem;color:var(--accent)}

/* ===== Insights: article cards ===== */
.acard{background:#fff;border:1px solid var(--silver);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.acard:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.1)}
.acard-thumb{height:190px;background:var(--charcoal-2) center/cover;position:relative;display:block}
.acard-no{position:absolute;top:.8rem;left:.8rem;background:var(--accent);color:#fff;font-size:.7rem;font-family:var(--ff-head);font-weight:700;letter-spacing:.08em;padding:.3rem .7rem;border-radius:999px}
.acard-body{padding:1.4rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.acard-meta{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap;font-size:.76rem;color:var(--steel);font-family:var(--ff-head);letter-spacing:.03em}
.acard-cat{color:var(--accent);font-weight:700;text-transform:uppercase}
.acard-dot{opacity:.5}
.acard h3{font-size:1.15rem;line-height:1.3}
.acard h3 a:hover{color:var(--accent)}
.acard-ex{color:var(--steel);font-size:.92rem;flex:1}
.acard-more{color:var(--accent);font-weight:600;font-family:var(--ff-head);font-size:.88rem;margin-top:.2rem;transition:gap .2s}
.acard-more:hover{opacity:.8}

/* ===== Insights: article reader ===== */
.art-meta{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-top:1rem;color:var(--steel);font-family:var(--ff-head);font-size:.82rem;letter-spacing:.04em}
.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:clamp(1.3rem,2.6vw,1.75rem);margin:2.8rem 0 1rem;padding-top:.4rem;border-top:2px solid var(--silver);color:var(--charcoal)}
.prose h2:first-child{margin-top:0;border-top:0;padding-top:0}
.prose p{margin-bottom:1.15rem;font-size:1.02rem;line-height:1.85;color:#3a4046}
.prose p b{color:var(--charcoal);font-weight:700}
.prose p i{color:var(--charcoal)}
.prose-sub{font-size:1.08rem;margin:2rem 0 .9rem;color:var(--charcoal);text-transform:uppercase;letter-spacing:.06em;font-size:.95rem}
.prose-sub::before{content:"";display:inline-block;width:18px;height:2px;background:var(--accent);vertical-align:middle;margin-right:.6rem}
.prose-list{list-style:none;margin:0 0 1.3rem;display:flex;flex-direction:column;gap:.7rem}
.prose-list li{position:relative;padding-left:1.3rem;font-size:1.02rem;line-height:1.75;color:#3a4046}
.prose-list li::before{content:"";position:absolute;left:0;top:.62rem;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.prose-list li b{color:var(--charcoal);font-weight:700}
.table-wrap{overflow-x:auto;margin:1.2rem 0 2rem;-webkit-overflow-scrolling:touch}
.prose-table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:520px}
.prose-table th{background:var(--charcoal);color:#fff;font-family:var(--ff-head);font-size:.8rem;font-weight:600;text-align:left;padding:.75rem .9rem;letter-spacing:.03em;border-right:1px solid rgba(255,255,255,.12)}
.prose-table th:last-child{border-right:0}
.prose-table td{padding:.75rem .9rem;border-bottom:1px solid var(--silver);border-right:1px solid var(--silver);color:#3a4046;vertical-align:top;line-height:1.5}
.prose-table td:last-child{border-right:0}
.prose-table tbody tr:nth-child(even){background:var(--paper)}
.prose-table tbody tr:hover{background:var(--accent-soft)}
.prose-table td:first-child{font-weight:600;color:var(--charcoal)}
.prose-table td i{color:var(--steel);font-size:.85em}
.prose-table th i{color:rgba(255,255,255,.7);font-weight:400}
.art-fig{margin:1.8rem 0 2.2rem}
.art-fig img{width:100%;border-radius:12px;border:1px solid var(--silver);display:block;cursor:zoom-in;transition:box-shadow .3s}
.art-fig img:hover{box-shadow:0 16px 40px rgba(0,0,0,.14)}
.art-fig figcaption{margin-top:.7rem;font-size:.85rem;color:var(--steel);text-align:center;line-height:1.5}
.art-note{margin-top:2.5rem;padding:1.1rem 1.3rem;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;font-size:.92rem;color:var(--charcoal)}
.art-share{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--silver)}
.art-share>span{font-family:var(--ff-head);font-size:.85rem;font-weight:600;color:var(--steel);letter-spacing:.04em}
.art-share-btns{display:flex;gap:.6rem}
.art-share-btns a{display:flex;width:40px;height:40px;border:1px solid var(--silver);border-radius:9px;align-items:center;justify-content:center;color:var(--steel);transition:all .25s}
.art-share-btns a:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.art-nav{display:grid;gap:1rem;max-width:760px;margin:3.5rem auto 0;border-top:1px solid var(--silver);padding-top:1.8rem}
@media(min-width:700px){.art-nav{grid-template-columns:1fr 1fr}}
.art-nav-item{display:flex;flex-direction:column;gap:.3rem;padding:1rem 1.2rem;border:1px solid var(--silver);border-radius:10px;transition:all .25s;background:#fff}
.art-nav-item:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.07)}
.art-nav-item span{font-size:.78rem;color:var(--accent);font-family:var(--ff-head);font-weight:600;letter-spacing:.05em}
.art-nav-item b{font-size:.95rem;line-height:1.35;color:var(--charcoal)}
.art-nav-next{text-align:right;align-items:flex-end}

/* ===== Shared lightbox with zoom (tools · drawings · articles) ===== */
body.rslb-lock{overflow:hidden}
.rslb{position:fixed;inset:0;z-index:200;display:none;background:rgba(10,12,14,.95);backdrop-filter:blur(6px);
  animation:rslbFade .18s ease}
.rslb.open{display:block}
@keyframes rslbFade{from{opacity:0}to{opacity:1}}

.rslb-bar{position:absolute;top:0;left:0;right:0;height:56px;display:flex;align-items:center;justify-content:space-between;
  padding:0 1rem;z-index:3;background:linear-gradient(180deg,rgba(0,0,0,.55),transparent)}
.rslb-counter{color:#fff;font-family:var(--ff-head);font-size:.85rem;letter-spacing:.08em;
  background:rgba(255,255,255,.12);padding:.3rem .8rem;border-radius:999px}
.rslb-tools{display:flex;align-items:center;gap:.4rem}
.rslb-btn{width:36px;height:36px;border-radius:8px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);
  color:#fff;font-size:1.05rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all .2s;font-family:var(--ff-head)}
.rslb-btn:hover{background:var(--accent);border-color:var(--accent)}
.rslb-close{margin-left:.4rem}
.rslb-zoom{color:#fff;font-family:var(--ff-head);font-size:.8rem;min-width:52px;text-align:center;opacity:.85}

.rslb-stage{position:absolute;inset:56px 0 0 0;display:flex;align-items:center;justify-content:center;
  overflow:hidden;cursor:zoom-in;touch-action:none}
.rslb.is-zoomed .rslb-stage{cursor:grab}
.rslb.is-grabbing .rslb-stage{cursor:grabbing}
.rslb-img{max-width:92vw;max-height:calc(100vh - 150px);border-radius:6px;background:#fff;
  transform-origin:center center;transition:transform .12s ease-out;user-select:none;-webkit-user-drag:none;display:block}
.rslb.is-grabbing .rslb-img{transition:none}

.rslb-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);
  color:#fff;font-size:1.9rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.rslb-nav:hover{background:var(--accent);border-color:var(--accent)}
.rslb-prev{left:1.1rem}.rslb-next{right:1.1rem}

.rslb-caption{position:absolute;left:50%;bottom:2.6rem;transform:translateX(-50%);z-index:3;max-width:min(90vw,760px);
  text-align:center;color:#fff;font-size:.9rem;line-height:1.5;background:rgba(20,23,26,.8);padding:.55rem 1rem;border-radius:8px}
.rslb-hint{position:absolute;left:50%;bottom:.7rem;transform:translateX(-50%);z-index:3;
  color:rgba(255,255,255,.5);font-size:.75rem;text-align:center;pointer-events:none}

@media(max-width:640px){
  .rslb-nav{width:40px;height:40px;font-size:1.5rem}
  .rslb-prev{left:.35rem}.rslb-next{right:.35rem}
  .rslb-img{max-width:96vw}
  .rslb-hint{display:none}
  .rslb-zoom{display:none}
}

/* Make galleries look clickable */
.gallery .main-img{cursor:zoom-in}
.gallery .main-img:hover{box-shadow:0 14px 34px rgba(0,0,0,.16)}
.gallery{position:relative}
.gallery-zoom{position:absolute;top:.8rem;right:.8rem;background:rgba(28,31,34,.82);color:#fff;
  width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-size:1rem;pointer-events:none;opacity:0;transition:opacity .25s}
.gallery:hover .gallery-zoom{opacity:1}

/* ===== Drawings lightbox (legacy styles kept for the thumb hover badge) ===== */
.thumb-click{cursor:pointer}
.thumb-zoom{position:absolute;bottom:.7rem;right:.8rem;background:rgba(28,31,34,.8);color:#fff;width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem;opacity:0;transition:opacity .25s}
.tcard:hover .thumb-zoom{opacity:1}
.lb{position:fixed;inset:0;background:rgba(10,12,14,.9);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:120;padding:2rem}
.lb.open{display:flex}
.lb-img{max-width:92vw;max-height:86vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff}
.lb-close{position:absolute;top:1rem;right:1.3rem;background:none;border:0;color:#fff;font-size:2rem;cursor:pointer;line-height:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;width:48px;height:48px;border-radius:50%;font-size:1.8rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lb-nav:hover{background:var(--accent);border-color:var(--accent)}
.lb-prev{left:1.2rem}.lb-next{right:1.2rem}
.lb-counter{position:absolute;bottom:1.1rem;left:50%;transform:translateX(-50%);color:#fff;font-family:var(--ff-head);font-size:.85rem;letter-spacing:.08em;background:rgba(28,31,34,.7);padding:.35rem .9rem;border-radius:999px}
@media(max-width:640px){.lb-nav{width:40px;height:40px;font-size:1.4rem}.lb-prev{left:.4rem}.lb-next{right:.4rem}}