/* ============================================================
   BRANDING BOARD — Shanghai Shinmac Machinery Co., Limited
   Posicionamiento: "Systematic solutions for Feed, Pet Food,
   Robotic Palletizing and Intelligent Control".
   Familia visual "OCEAN DEEP · frosted": azul profundo #093D82,
   teal #42B1AA / #86CBC5, rojo #D5271E, gris #F2F2F2. Superficies
   suaves, radios generosos, cápsula de cristal (header 29 frosted
   parallax) — cero retícula técnica. Tipografía: Titillium Web.
   Editar este archivo re-skinea toda la web.
   ============================================================ */
@import url('fonts.css');

:root{
  /* Paleta Ocean Deep */
  --deep:#093D82;          /* azul profundo — primario, footer, bandas */
  --deep-2:#0b4a9e;        /* azul apoyo (hover / gradientes) */
  --deep-3:#062a5a;        /* azul más hondo (gradiente hero) */
  --teal:#42B1AA;          /* teal medio — acentos, labels */
  --teal-soft:#86CBC5;     /* teal claro — tintes, fondos suaves */
  --red:#D5271E;           /* rojo — CTA / énfasis */
  --red-2:#b81f17;         /* rojo hover */
  --paper:#F2F2F2;         /* gris base */

  /* Roles */
  --ink:#122036;
  --ink-soft:#46536b;
  --ink-faint:#6b7890;
  --surface:#fbfcfd;
  --surface-2:#F2F2F2;
  --card:#ffffff;
  --line:#e3e8ef;
  --line-strong:#cdd6e1;
  --glass:rgba(255,255,255,.6);
  --glass-brd:rgba(255,255,255,.8);

  --font-body:'Titillium Web','PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  --font-display:'Titillium Web','PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  --font-mono:'Titillium Web',ui-monospace,monospace;
  /* Escala de radios INDUSTRIAL: aristas definidas, no burbujas.
     Un fabricante de maquinaria no se presenta con esquinas de app de consumo. */
  --radius:6px;      /* cards, paneles, media */
  --radius-sm:4px;   /* botones, inputs, chips */
  --radius-lg:8px;   /* paneles grandes */
  --maxw:1220px;
  --shadow:0 24px 60px -28px rgba(9,61,130,.35);
  --shadow-card:0 10px 24px -16px rgba(9,61,130,.28);
  --shadow-soft:0 6px 18px -10px rgba(9,61,130,.18);
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ============ base ============ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--ink);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background:
   radial-gradient(42% 46% at 12% 4%, rgba(134,203,197,.35), transparent 62%),
   radial-gradient(46% 50% at 88% 0%, rgba(9,61,130,.14), transparent 60%),
   linear-gradient(180deg,#f7f9fa,var(--paper))}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Títulos — Titillium, sentence case, sin retícula */
.h-sec{font-family:var(--font-display);font-weight:700;font-size:clamp(27px,3.4vw,40px);line-height:1.12;letter-spacing:-.01em;color:var(--deep);margin:0 0 14px}
.eyebrow{font-weight:700;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:12px;display:block}
.eyebrow--pill{display:inline-block;background:var(--red);color:#fff;padding:7px 15px;border-radius:var(--radius-sm);font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.lead{color:var(--ink-soft);font-size:17.5px;max-width:64ch}
.sec-head{text-align:center;max-width:760px;margin:0 auto 14px}
.sec-head .lead{margin:0 auto}
.section{padding:88px 0 0}

/* Botones — redondeados, suaves */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-body);font-weight:700;font-size:15px;letter-spacing:.03em;padding:14px 26px;border-radius:var(--radius-sm);border:1.5px solid transparent;cursor:pointer;text-decoration:none;transition:transform .2s var(--ease),box-shadow .25s,background .25s,color .25s,border-color .25s}
.btn--solid{background:var(--red);color:#fff;box-shadow:0 12px 26px -10px rgba(213,39,30,.55)}
.btn--solid:hover{background:var(--red-2);transform:translateY(-1px)}
.btn--ghost{border-color:var(--line-strong);color:var(--deep);background:rgba(255,255,255,.7)}
.btn--ghost:hover{border-color:var(--deep)}
.btn--ondark{background:var(--red);color:#fff;box-shadow:0 12px 26px -10px rgba(0,0,0,.4)}
.btn--onhero{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(6px)}
.btn--onhero:hover{border-color:#fff;background:rgba(255,255,255,.16)}
.btn--line{padding:8px 2px;border:0;border-bottom:2px solid var(--teal);border-radius:0;color:var(--deep);font-weight:700;background:none}
.btn--line:hover{color:var(--teal)}

/* El contenedor no debe acotar el sticky del header (un sticky solo pega dentro de su padre). */
#site-nav{display:contents}

/* ============ HEADER — barra técnica (industrial, no cápsula flotante) ============ */
/* Franja utilitaria: el dato de contacto SIEMPRE visible, como en la ficha de un fabricante */
.util{background:var(--deep-3);color:#a9c1de;font-size:12.5px;font-weight:600;letter-spacing:.02em;border-bottom:1px solid rgba(255,255,255,.08)}
.util__in{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:36px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.util__co{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden}
.util__co b{color:#fff;font-weight:700;letter-spacing:.06em}
.util__co .bar{width:1px;height:13px;background:rgba(255,255,255,.22)}
.util__links{display:flex;align-items:center;gap:18px;white-space:nowrap}
.util a{color:#c7d8ee;text-decoration:none;display:inline-flex;align-items:center;gap:7px}
.util a:hover{color:#fff}
.util svg{width:14px;height:14px;opacity:.85}
@media(max-width:920px){.util__in{height:34px;padding:0 16px}.util__co .hide-m{display:none}}
@media(max-width:640px){.util__co{display:none}.util__links{width:100%;justify-content:space-between;gap:10px}}

/* Barra principal: sólida, con cota roja bajo el link activo */
.hwrap{position:sticky;top:0;z-index:60}
.nav{position:static;color:var(--ink);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line-strong);
  box-shadow:0 1px 0 rgba(9,61,130,.04);transition:height .25s var(--ease),box-shadow .25s}
.nav__in{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:74px;display:flex;align-items:stretch;gap:0;transition:height .25s var(--ease)}
.nav.scrolled .nav__in{height:62px}
.nav.scrolled{box-shadow:0 8px 24px -18px rgba(9,61,130,.45)}
.nav__logo{color:var(--deep);display:flex;align-items:center;padding-right:26px;margin-right:26px;border-right:1px solid var(--line);text-decoration:none}
.nav__logo img{height:42px;width:auto;transition:height .25s var(--ease)}
.nav__logo{position:relative;display:flex;align-items:center}
.nav__iso{position:absolute;left:0;top:50%;height:36px;width:auto;opacity:0;transform:translateY(-50%) scale(.9);transition:opacity .25s var(--ease),transform .25s var(--ease);pointer-events:none}
/* compactado: manda el isotipo (a esa altura el lockup ya no se lee) */
.nav.scrolled .nav__lock{opacity:0;transform:scale(.94)}
.nav.scrolled .nav__iso{opacity:1;transform:translateY(-50%) scale(1)}
.nav__lock{transition:opacity .25s var(--ease),transform .25s var(--ease),height .25s var(--ease)}
@media (prefers-reduced-motion: reduce){.nav__iso,.nav__lock{transition:none}}
.nav__dlinks{display:flex;align-items:stretch;margin-right:auto}
.nav__dlinks a{position:relative;display:flex;align-items:center;padding:0 17px;font-size:13.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);text-decoration:none;transition:color .2s}
.nav__dlinks a:hover,.nav__dlinks a:focus-visible{color:var(--deep);outline:none}
.nav__dlinks a::after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:var(--red);transform:scaleX(0);transform-origin:0 50%;transition:transform .25s var(--ease)}
.nav__dlinks a:hover::after{transform:scaleX(.35)}
.nav__dlinks a.active{color:var(--deep)}
.nav__dlinks a.active::after{transform:scaleX(1)}
.nav__cta{display:flex;align-items:center;margin-left:18px}
.nav__cta .btn{padding:11px 22px;border-radius:var(--radius-sm);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--red);color:#fff;border:0;box-shadow:none;transition:background .2s}
.nav__cta .btn:hover{background:var(--red-2);transform:none}
.lang{position:relative;display:flex;align-items:center;margin-left:14px;z-index:2}
.lang__trig{display:flex;align-items:center;gap:7px;background:none;border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:9px 12px;font-family:var(--font-body);font-weight:700;font-size:12px;letter-spacing:.06em;color:var(--ink-soft);cursor:pointer;transition:border-color .2s,color .2s}
.lang__trig:hover{border-color:var(--deep);color:var(--deep)}
.lang__trig .gl{width:15px;height:15px}
.lang__menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid var(--line-strong);border-radius:var(--radius-sm);box-shadow:var(--shadow-card);display:none;min-width:132px;overflow:hidden}
.lang__menu.open{display:block}
.lang__menu button{display:flex;width:100%;align-items:center;gap:8px;padding:11px 14px;background:none;border:0;border-bottom:1px solid var(--line);font-family:var(--font-body);font-weight:600;font-size:13px;color:var(--ink-soft);cursor:pointer;text-align:left}
.lang__menu button:last-child{border-bottom:0}
.lang__menu button:hover{background:var(--surface-2);color:var(--deep)}
.lang__menu button.on{color:var(--red);font-weight:800}
.nav__burger{display:none;width:46px;height:46px;align-self:center;margin-left:12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff;flex-direction:column;gap:5px;align-items:center;justify-content:center;cursor:pointer}
.nav__burger span{width:19px;height:2px;background:var(--deep)}
@media(max-width:1080px){
  .nav__in{padding:0 16px;height:64px}
  .nav.scrolled .nav__in{height:58px}
  .nav__dlinks,.nav__cta{display:none}
  .lang{margin-left:auto}
  .nav__burger{display:flex}
  .nav__logo{border-right:0;margin-right:0;padding-right:0}
}
/* drawer: panel sólido que entra desde la derecha (nada de burbuja) */
.mdrawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:70;background:var(--deep);
  border-top:4px solid var(--red);padding:0 22px 22px;display:flex;flex-direction:column;gap:2px;
  visibility:hidden;transform:translateX(102%);transition:transform .35s var(--ease),visibility .35s;overflow:auto}
.mdrawer.open{visibility:visible;transform:none}
.mdrawer__hd{display:flex;align-items:center;justify-content:space-between;padding:18px 0 20px;margin-bottom:8px;border-bottom:1px solid rgba(255,255,255,.14)}
.mdrawer__hd img{height:38px;width:auto}
.mdrawer__x{width:42px;height:42px;border:1px solid rgba(255,255,255,.28);background:none;color:#fff;font-size:24px;line-height:1;border-radius:var(--radius-sm);cursor:pointer}
.mdrawer__x:hover{background:var(--red);border-color:var(--red)}
.mdrawer a{padding:16px 14px;font-size:15px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#cfe0f5;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.1)}
.mdrawer a:hover,.mdrawer a.active{color:#fff;background:rgba(255,255,255,.06)}
.mdrawer a.active{background:var(--red);color:#fff;border-bottom-color:transparent}
.mdrawer .mdrawer__cta{margin-top:18px;background:var(--red);color:#fff;justify-content:center;border:0;border-radius:var(--radius-sm);border-bottom:0;text-align:center}
.mdrawer__ov{position:fixed;inset:0;z-index:65;background:rgba(6,42,90,.55);opacity:0;pointer-events:none;transition:opacity .3s}
.mdrawer__ov.open{opacity:1;pointer-events:auto}

/* ============ FOOTER — bloque técnico a sangre ============ */
.ft{background:var(--deep-3);color:#b9cde6;margin-top:96px;border-top:4px solid var(--red)}
.ft a{color:#b9cde6;text-decoration:none;transition:color .2s}
.ft a:hover{color:#fff}
.ft__grid{max-width:var(--maxw);margin:0 auto;padding:56px 28px 40px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.ft__brand img{height:46px;width:auto;margin-bottom:16px}
.ft__tag{font-weight:800;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal-soft);padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:12px}
.ft__brand p{margin:0;font-size:14px;line-height:1.7;max-width:34ch;color:#a3bcd9}
.ft h4{font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin:0 0 16px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12)}
.ft ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;font-size:14px}
.ft ul li{position:relative;padding-left:14px}
.ft ul li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;background:var(--teal)}
.ft__legal{border-top:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.16)}
.ft__legal-in{max-width:var(--maxw);margin:0 auto;padding:16px 28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#8fa9c9;font-size:12.5px}
@media(max-width:880px){.ft__grid{grid-template-columns:1fr 1fr;padding:44px 16px 32px}}
@media(max-width:540px){.ft__grid{grid-template-columns:1fr}.ft__legal-in{padding:14px 16px}}

/* cookies */
.cookiebar{position:fixed;bottom:0;left:0;right:0;z-index:80;background:var(--deep-3);color:#dfe9f6;border-top:3px solid var(--red);border-radius:0;max-width:none;padding:14px 18px;display:none;justify-content:space-between;align-items:center;gap:16px;box-shadow:var(--shadow);font-size:13.5px;max-width:640px;margin:0 auto}
.cookiebar.show{display:flex}
.cookiebar button{background:var(--red);border:0;color:#fff;font-family:var(--font-body);font-weight:800;letter-spacing:.06em;text-transform:uppercase;font-size:11.5px;padding:7px 16px;border-radius:var(--radius-sm);cursor:pointer;flex:0 0 auto}


/* ============ utilidades de interfaz ============ */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* skip-link: primer tab útil para teclado y lectores */
.skip-link{position:fixed;top:-100px;left:16px;z-index:90;background:var(--deep);color:#fff;font-weight:700;font-size:14px;padding:12px 20px;border-radius:0 0 var(--radius-sm) var(--radius-sm);text-decoration:none;transition:top .25s var(--ease)}
.skip-link:focus{top:0;outline:3px solid var(--teal-soft);outline-offset:2px}

/* foco visible y consistente en todo el sitio */
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:6px}

/* header: se compacta al hacer scroll */
.nav.scrolled{box-shadow:0 10px 30px -16px rgba(9,61,130,.5);background:rgba(255,255,255,.78)}

/* volver arriba */
.totop{position:fixed;right:18px;bottom:70px;z-index:70;width:44px;height:44px;display:grid;place-items:center;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:#fff;color:var(--deep);box-shadow:var(--shadow-card);cursor:pointer;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease),background .25s}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{background:var(--deep);color:#fff}
.totop svg{width:20px;height:20px}
@media(max-width:920px){.totop{right:12px;bottom:12px}}

/* selección de texto con la marca */
::selection{background:rgba(66,177,170,.28);color:var(--deep)}

/* scrollbar sutil (webkit) */
@media(min-width:920px){
  ::-webkit-scrollbar{width:11px}
  ::-webkit-scrollbar-track{background:var(--surface-2)}
  ::-webkit-scrollbar-thumb{background:#c3cedb;border-radius:99px;border:3px solid var(--surface-2)}
  ::-webkit-scrollbar-thumb:hover{background:var(--teal)}
}

/* reveal sutil */
@media(prefers-reduced-motion:no-preference){
  /* Gate .js: sin JavaScript el contenido queda VISIBLE (progressive enhancement).
     Antes, un fallo de JS dejaba secciones enteras en opacity:0. */
  .js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
  .js .rv.in{opacity:1;transform:none}
}