/* ==========================================================================
   RAMKA GLOBAL SUPPLY — Sistema de diseño sobrio/editorial
   Inspiración: techint.com (escala editorial, full-bleed, sobriedad) +
   ramkamx.com (tono serio, minimal). Distinto de EPC (redondeado/acento fuerte).
   Paleta: navy petróleo profundo + acero + blanco. Naranja como acento mínimo.
   ========================================================================== */
:root{
  --ink:#0e1a26;        /* navy petróleo casi negro */
  --graphite:#16232f;
  --blue:#14456e;       /* azul serio secundario */
  --steel:#5c6b78;
  --mute:#8b98a4;
  --line:#dbe1e7;       /* hairlines */
  --line-2:#eaeef1;
  --paper:#ffffff;
  --paper2:#f5f7f9;
  --paper3:#eef1f4;
  --accent:#d75a1b;     /* naranja RAMKA, sobrio */
  --accent-2:#e8721f;
  --text:#1a2733;
  --max:1280px;
  --gut:40px;
  --ffd:"Archivo",-apple-system,Segoe UI,Roboto,sans-serif;
  --ffb:"Inter",-apple-system,Segoe UI,Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;zoom:1.25}
body{font-family:var(--ffb);color:var(--text);background:var(--paper3);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{font-family:var(--ffd);font-weight:600;line-height:1.06;letter-spacing:-.015em;color:var(--ink)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.wide{max-width:1480px;margin:0 auto;padding:0 var(--gut)}

/* Eyebrow / labels editoriales */
.ey{font-family:var(--ffd);font-weight:600;font-size:.86rem;letter-spacing:.22em;text-transform:uppercase;color:var(--steel);display:inline-flex;align-items:center;gap:14px}
.ey .num{color:var(--accent)}
.ey::before{content:"";width:26px;height:1.5px;background:var(--accent);display:inline-block}
.ey.plain::before{display:none}
.accent{color:var(--accent)}

/* Links de texto editoriales (estilo techint) */
.lnk{display:inline-flex;align-items:center;gap:12px;font-family:var(--ffd);font-weight:500;font-size:.98rem;color:var(--ink);padding-bottom:6px;border-bottom:1.5px solid var(--ink);transition:.25s;letter-spacing:.01em}
.lnk .ar{transition:.25s}
.lnk:hover{color:var(--accent);border-color:var(--accent)}
.lnk:hover .ar{transform:translateX(5px)}
.lnk.light{color:#fff;border-color:rgba(255,255,255,.5)}
.lnk.light:hover{color:#fff;border-color:var(--accent-2)}

/* Botones (cuadrados, planos, sobrios) */
.btn{display:inline-flex;align-items:center;gap:11px;padding:15px 30px;font-family:var(--ffd);font-weight:500;font-size:.9rem;letter-spacing:.04em;cursor:pointer;border:1.5px solid var(--ink);background:var(--ink);color:#fff;transition:.25s}
.btn:hover{background:transparent;color:var(--ink)}
.btn-line{background:transparent;color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-light{border-color:#fff;background:transparent;color:#fff}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-accent{border-color:var(--accent);background:var(--accent);color:#fff}
.btn-accent:hover{background:transparent;color:var(--accent)}

/* ---------- Preloader ---------- */
#loader{position:fixed;inset:0;background:var(--ink);z-index:9999;display:grid;place-items:center;transition:opacity .5s,visibility .5s}
#loader.off{opacity:0;visibility:hidden}
#loader .lg{font-family:var(--ffd);font-weight:700;font-size:1.5rem;color:#fff;letter-spacing:.28em;padding-left:.28em}
#loader .bar{width:90px;height:2px;background:rgba(255,255,255,.18);margin:16px auto 0;overflow:hidden}
#loader .bar i{display:block;height:100%;width:40%;background:var(--accent);animation:load 1s infinite}
@keyframes load{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}

/* ---------- Nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:900;transition:.3s;background:transparent;border-bottom:1px solid transparent}
nav .nav-in{display:flex;align-items:center;justify-content:space-between;height:150px}
nav.scrolled{background:var(--paper);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);transition:.3s}
.brand .mark{font-family:var(--ffd);font-weight:700;font-size:1.35rem;letter-spacing:.02em;line-height:1}
.brand .mark b{color:var(--accent);font-weight:700}
.brand .tag{font-family:var(--ffd);font-weight:600;font-size:.54rem;letter-spacing:.34em;text-transform:uppercase;color:var(--steel);border-left:1px solid var(--line);padding-left:12px}
nav.scrolled .brand{color:var(--ink)}
nav.scrolled .brand .tag{color:var(--steel);border-color:var(--line)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-family:var(--ffd);font-weight:500;font-size:1rem;letter-spacing:.05em;text-transform:uppercase;color:rgba(255,255,255,.85);transition:.2s;position:relative;padding:4px 0;text-shadow:0 1px 6px rgba(0,0,0,.25)}
.nav-links a:hover,.nav-links a.on{color:#fff}
.nav-links a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:var(--accent)}
nav.scrolled .nav-links a{color:var(--steel);text-shadow:none}
nav.scrolled .nav-links a:hover,nav.scrolled .nav-links a.on{color:var(--ink)}
.nav-cta{border:1.5px solid rgba(255,255,255,.6);padding:9px 20px!important;color:#fff!important}
.nav-cta:hover{background:#fff;color:var(--ink)!important;border-color:#fff}
nav.scrolled .nav-cta{border-color:var(--ink);color:var(--ink)!important}
nav.scrolled .nav-cta:hover{background:var(--ink);color:#fff!important}
.nav-cta::after{display:none!important}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:26px;height:2px;background:#fff;transition:.3s}
nav.scrolled .burger span{background:var(--ink)}
.burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mmenu{position:fixed;inset:0 0 0 auto;width:min(84%,340px);background:var(--ink);z-index:899;padding:96px 34px 30px;transform:translateX(100%);transition:.35s;display:flex;flex-direction:column;gap:2px}
.mmenu.open{transform:translateX(0)}
.mmenu a{color:#fff;font-family:var(--ffd);font-weight:500;font-size:1.15rem;letter-spacing:.04em;text-transform:uppercase;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}

/* ---------- Hero (full-bleed editorial) ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink)}
.hero.sub{min-height:72vh}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,38,.55) 0%,rgba(14,26,38,.25) 40%,rgba(14,26,38,.9) 100%)}
.hero-in{position:relative;z-index:2;width:100%;padding-bottom:72px;padding-top:120px}
.hero .ey{color:rgba(255,255,255,.85)}
.hero .ey::before{background:var(--accent)}
.hero h1{color:#fff;font-size:clamp(2.7rem,6.6vw,5.6rem);font-weight:600;margin:22px 0 24px;max-width:15ch;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--accent-2)}
.hero .lead{color:rgba(255,255,255,.9);font-size:clamp(1.05rem,1.6vw,1.3rem);max-width:600px;font-weight:400;margin-bottom:30px}
.hero-cap{position:absolute;right:var(--gut);bottom:74px;z-index:2;color:rgba(255,255,255,.7);font-family:var(--ffd);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;text-align:right;writing-mode:vertical-rl;transform:rotate(180deg)}
.scrolldown{position:absolute;left:var(--gut);bottom:30px;z-index:3;color:rgba(255,255,255,.65);font-family:var(--ffd);font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;display:flex;align-items:center;gap:12px}
.scrolldown i{width:40px;height:1px;background:rgba(255,255,255,.5);position:relative;overflow:hidden}
.scrolldown i::after{content:"";position:absolute;inset:0;width:14px;background:var(--accent);animation:sc 2s infinite}
@keyframes sc{0%{transform:translateX(-14px)}100%{transform:translateX(40px)}}

/* ---------- Sections ---------- */
.sec{padding:118px 0}
.sec.tight{padding:78px 0}
.sec.dark{background:var(--ink);color:#fff}
.sec.dark h1,.sec.dark h2,.sec.dark h3,.sec.dark h4{color:#fff}
.sec.dark .ey{color:rgba(255,255,255,.7)}
.sec.paper2{background:var(--paper2)}
.sec-head{max-width:760px;margin-bottom:60px}
.sec-head h2{font-size:clamp(2rem,4.2vw,3.2rem);margin:20px 0 0;letter-spacing:-.02em}
.sec-head p{color:var(--steel);font-size:1.1rem;margin-top:20px;max-width:620px}
.sec.dark .sec-head p{color:rgba(255,255,255,.72)}

/* Statement grande (techint "we make the impossible possible") */
.statement{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:end}
.statement h2{font-size:clamp(2.2rem,4.8vw,3.8rem);letter-spacing:-.025em;max-width:14ch}
.statement .st-side p{color:var(--steel);font-size:1.08rem;margin-bottom:26px}
.sec.dark .statement .st-side p{color:rgba(255,255,255,.75)}

/* Figures sobrias (hairline) */
.figs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.sec.dark .figs{border-color:rgba(255,255,255,.16)}
.fig{padding:34px 30px 34px 0;border-left:1px solid var(--line);padding-left:30px}
.sec.dark .fig{border-color:rgba(255,255,255,.16)}
.fig:first-child{border-left:none;padding-left:0}
.fig .n{font-family:var(--ffd);font-weight:700;font-size:clamp(2.4rem,4.4vw,3.3rem);color:var(--ink);line-height:1;letter-spacing:-.02em}
.sec.dark .fig .n{color:#fff}
.fig .n b{color:var(--accent);font-weight:700}
.fig .l{color:var(--steel);font-size:.92rem;margin-top:12px}
.sec.dark .fig .l{color:rgba(255,255,255,.68)}

/* Quote / testimonio */
.quote{max-width:900px}
.quote p{font-family:var(--ffd);font-weight:500;font-size:clamp(1.5rem,3vw,2.3rem);line-height:1.28;letter-spacing:-.015em;color:var(--ink)}
.sec.dark .quote p{color:#fff}
.quote .who{margin-top:28px;color:var(--steel);font-size:.95rem;display:flex;align-items:center;gap:14px}
.quote .who::before{content:"";width:34px;height:1.5px;background:var(--accent)}

/* Capacidades: bloques editoriales alternados */
.eblock{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;border-top:1px solid var(--line)}
.eblock:last-child{border-bottom:1px solid var(--line)}
.eblock .ec{padding:56px 60px 56px 0;display:flex;flex-direction:column;justify-content:center}
.eblock:nth-child(even) .ec{order:2;padding:56px 0 56px 60px}
.eblock .em{position:relative;overflow:hidden;min-height:340px}
.eblock .em img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.7s}
.eblock:hover .em img{transform:scale(1.05)}
.eblock .ec .idx{font-family:var(--ffd);font-weight:600;font-size:.8rem;letter-spacing:.2em;color:var(--accent)}
.eblock .ec h3{font-size:clamp(1.5rem,2.6vw,2rem);margin:16px 0 14px}
.eblock .ec p{color:var(--steel);font-size:1.02rem;margin-bottom:22px}
.eblock .ec .chips{margin-bottom:24px}

/* Full-bleed band (sectores) */
.band{position:relative;min-height:70vh;display:flex;align-items:flex-end;overflow:hidden}
.band img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,38,.15),rgba(14,26,38,.82))}
.band .band-in{position:relative;z-index:2;width:100%;padding:60px 0}
.band h2{color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);max-width:16ch}
.band p{color:rgba(255,255,255,.85);max-width:520px;margin:18px 0 26px}
.band.sector{min-height:56vh}
.band.sector+.band.sector{margin-top:0}

/* Proyectos (lista editorial techint) */
.projects{border-top:1px solid var(--line)}
.proj{display:grid;grid-template-columns:200px 1fr 150px;gap:40px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line);transition:.3s;position:relative}
.proj:hover{padding-left:16px}
.proj .tag{font-family:var(--ffd);font-weight:600;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.proj .tag span{display:block;color:var(--steel);margin-top:6px;letter-spacing:.06em}
.proj h3{font-size:clamp(1.25rem,2.2vw,1.7rem);margin-bottom:8px}
.proj p{color:var(--steel);font-size:.98rem;max-width:60ch}
.proj .more{justify-self:end;font-family:var(--ffd);font-weight:500;font-size:.86rem;color:var(--ink);display:inline-flex;align-items:center;gap:8px;transition:.25s}
.proj:hover .more{color:var(--accent);gap:12px}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-family:var(--ffd);font-weight:500;font-size:.78rem;letter-spacing:.02em;color:var(--graphite);border:1px solid var(--line);padding:6px 13px;border-radius:2px}
.sec.dark .chips span{color:#fff;border-color:rgba(255,255,255,.2)}

/* ---------- Vitrina: familias ---------- */
.fam{border-top:1px solid var(--line)}
.fam-item{display:grid;grid-template-columns:0.9fr 1.1fr;gap:0;border-bottom:1px solid var(--line);align-items:stretch}
.fam-item .fm{position:relative;overflow:hidden;min-height:300px}
.fam-item .fm img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.7s}
.fam-item:hover .fm img{transform:scale(1.05)}
.fam-item:nth-child(even) .fm{order:2}
.fam-item .fc{padding:48px 56px;display:flex;flex-direction:column;justify-content:center}
.fam-item .fc .idx{font-family:var(--ffd);font-weight:600;font-size:.78rem;letter-spacing:.2em;color:var(--accent)}
.fam-item .fc h3{font-size:clamp(1.5rem,2.6vw,2.05rem);margin:14px 0 12px}
.fam-item .fc p{color:var(--steel);font-size:1rem;margin-bottom:18px}
.fam-item .fc .brands{font-family:var(--ffd);font-size:.82rem;letter-spacing:.03em;color:var(--graphite);margin-bottom:22px}
.fam-item .fc .brands b{color:var(--steel);font-weight:600;text-transform:uppercase;letter-spacing:.14em;font-size:.68rem;display:block;margin-bottom:8px}

/* Tabla de opciones estándar */
.optable{width:100%;border-collapse:collapse;margin-top:4px}
.optable th,.optable td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:.92rem}
.optable th{font-family:var(--ffd);font-weight:600;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);background:var(--paper2)}
.optable td:first-child{font-weight:600;color:var(--ink);font-family:var(--ffd)}
.optable tr:hover td{background:var(--paper2)}

/* Marcas grid (logos texto) */
.brandgrid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.brandgrid span{padding:30px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--ffd);font-weight:600;font-size:1.05rem;color:var(--graphite);letter-spacing:.02em;transition:.25s}
.brandgrid span:hover{color:var(--accent);background:var(--paper2)}

/* Custom / ingeniería note */
.custom-note{display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;background:var(--ink);color:#fff;padding:34px 40px;margin-top:0}
.custom-note .ic{font-family:var(--ffd);font-weight:700;font-size:.9rem;letter-spacing:.14em;color:var(--accent);border:1.5px solid rgba(255,255,255,.25);padding:14px 16px}
.custom-note h4{color:#fff;font-size:1.2rem;margin-bottom:5px}
.custom-note p{color:rgba(255,255,255,.72);font-size:.94rem;max-width:60ch}

/* ---------- Configurador ---------- */
.config{border:1px solid var(--line);padding:38px;background:var(--paper)}
.config h3{font-size:1.4rem;margin-bottom:6px}
.config .sub{color:var(--steel);font-size:.95rem;margin-bottom:24px}
.config label{display:block;font-family:var(--ffd);font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin:16px 0 7px}
.config select,.config input[type=number]{width:100%;padding:13px 15px;border:1px solid var(--line);font-family:var(--ffb);font-size:.98rem;background:var(--paper);outline:none;border-radius:2px}
.config select:focus,.config input:focus{border-color:var(--accent)}
.config .out{margin-top:26px;background:var(--ink);color:#fff;padding:26px}
.config .out .lbl{font-family:var(--ffd);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:10px}
.config .out .big{font-family:var(--ffd);font-weight:700;font-size:2.3rem;color:var(--accent-2);line-height:1}
.config .out small{color:rgba(255,255,255,.7);display:block;margin-top:12px;font-size:.82rem}

/* ---------- Quote form ---------- */
.qwrap{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.qcopy h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:18px}
.qcopy p{color:var(--steel);margin-bottom:24px;max-width:44ch}
.sec.dark .qcopy p{color:rgba(255,255,255,.75)}
.qcopy .assure{display:flex;gap:16px;align-items:flex-start;border-left:2px solid var(--accent);padding:4px 0 4px 20px;margin-top:12px}
.qcopy .assure b{display:block;color:var(--ink)}
.sec.dark .qcopy .assure b{color:#fff}
.qcopy .assure span{color:var(--steel);font-size:.92rem}
.sec.dark .qcopy .assure span{color:rgba(255,255,255,.7)}
.qcard{background:var(--paper);border:1px solid var(--line);padding:34px}
.sec.dark .qcard{border:none}
.qcard .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--ffd);font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);font-family:var(--ffb);font-size:.96rem;outline:none;transition:.2s;background:var(--paper);border-radius:2px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}
.field textarea{resize:vertical;min-height:92px}
.qcard .btn{width:100%;justify-content:center;margin-top:6px}
.qcard .disc{text-align:center;color:var(--mute);font-size:.78rem;margin-top:14px}

/* Cross EPC */
.epc-cross{border:1px solid var(--line);padding:32px 36px;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center;background:var(--paper2)}
.epc-cross .ic{font-family:var(--ffd);font-weight:700;font-size:1.1rem;letter-spacing:.1em;color:#fff;background:var(--ink);padding:16px 18px}
.epc-cross h4{font-size:1.15rem;margin-bottom:5px}
.epc-cross p{color:var(--steel);font-size:.95rem;max-width:56ch}

/* CTA final */
.cta{position:relative;overflow:hidden;min-height:56vh;display:flex;align-items:center}
.cta img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,26,38,.95),rgba(20,69,110,.78))}
.cta .cta-in{position:relative;z-index:2;width:100%;padding:70px 0}
.cta h2{color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);max-width:18ch;margin-bottom:20px}
.cta p{color:rgba(255,255,255,.86);max-width:520px;margin-bottom:30px}
.cta .btns{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Footer ---------- */
footer{background:#e1e7ed;color:var(--text);padding:52px 0 26px;border-top:1px solid var(--line)}
.f-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:34px;border-bottom:1px solid var(--line);align-items:start}
.f-brand .mark{font-family:var(--ffd);font-weight:700;font-size:1.6rem;letter-spacing:.02em;color:var(--ink)}
.f-brand .mark b{color:var(--accent)}
.f-brand .tg{font-family:var(--ffd);font-weight:600;font-size:.64rem;letter-spacing:.32em;text-transform:uppercase;color:var(--steel);margin-top:6px}
.f-brand p{color:var(--steel);font-size:1rem;margin-top:16px;max-width:36ch}
.f-col h5{font-family:var(--ffd);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:15px;font-weight:600}
.f-col a,.f-col p{display:block;color:var(--steel);font-size:1rem;margin-bottom:9px;transition:.2s}
.f-col a:hover{color:var(--ink)}
.f-bottom{padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--mute);font-size:.88rem;font-family:var(--ffd);letter-spacing:.04em}

/* WhatsApp float */
.wa-float{position:fixed;right:24px;bottom:24px;z-index:800;width:54px;height:54px;background:var(--ink);border:1.5px solid rgba(255,255,255,.2);display:grid;place-items:center;transition:.25s}
.wa-float:hover{background:var(--accent);border-color:var(--accent)}
.wa-float svg{width:26px;height:26px;fill:#fff}

/* Reveal */
.rv{opacity:0;transform:translateY(24px);transition:.8s cubic-bezier(.16,.84,.44,1)}
.rv.on{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  :root{--gut:26px}
  .statement{grid-template-columns:1fr;gap:34px}
  .eblock,.fam-item{grid-template-columns:1fr}
  .eblock .ec,.eblock:nth-child(even) .ec{order:2;padding:40px 0}
  .eblock .em,.fam-item .fm,.fam-item:nth-child(even) .fm{order:1;min-height:280px}
  .fam-item .fc{padding:38px 0}
  .qwrap{grid-template-columns:1fr;gap:34px}
  .figs{grid-template-columns:1fr 1fr}
  .fig:nth-child(3){border-left:none;padding-left:0}
  .brandgrid{grid-template-columns:repeat(3,1fr)}
  .f-top{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links{display:none}
  .burger{display:flex}
  .figs{grid-template-columns:1fr 1fr}
  .fig{padding:24px 16px 24px 0}
  .proj{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .proj .more{justify-self:start}
  .qcard .row{grid-template-columns:1fr}
  .brandgrid{grid-template-columns:repeat(2,1fr)}
  .custom-note{grid-template-columns:1fr;gap:16px}
  .epc-cross{grid-template-columns:1fr;gap:16px}
  .f-top{grid-template-columns:1fr}
  .optable th:nth-child(3),.optable td:nth-child(3){display:none}
  .brand .lg{height:124px}
}

/* ---- Logos (RAMKA / EPC) ---- */
.brand .lg{height:128px;width:auto;display:block}
.brand .lg-light{display:none}
.brand .lg-dark{display:block}
.f-logo{height:120px;width:auto;display:block}
.epc-badge{display:inline-flex;align-items:center;gap:11px;margin-top:22px;text-decoration:none}
.epc-badge span{font-family:var(--ffd);font-weight:600;font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--steel)}
.epc-badge img{height:26px;width:auto;display:block;transition:.25s;opacity:.92}
.epc-badge:hover img{opacity:1}
.custom-note .ic{background:none!important;border:none!important;padding:0!important}
.custom-note .ic img{height:40px;width:auto;display:block}
.epc-cross .ic{background:none!important;padding:0!important}
.epc-cross .ic img{height:42px;width:auto;display:block}
.chips.norms span{color:var(--graphite);background:var(--paper)}