@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

:root {
  --verde:      #0a7c5c;
  --verde-m:    #0d9b74;
  --verde-cl:   #e6f7f1;
  --naranja:    #e85d04;
  --naranja-bg: #fff3ec;
  --azul:       #1a3a6b;
  --gris-bg:    #f7f8fa;
  --gris-b:     #e2e6ed;
  --gris-txt:   #5a6478;
  --texto:      #1a2333;
  --blanco:     #ffffff;
  --radio:      10px;
  --sombra:     0 2px 12px rgba(10,124,92,.08);
  --sombra-md:  0 4px 24px rgba(10,124,92,.14);
  --fd: 'Syne', sans-serif;
  --fb: 'DM Sans', sans-serif;
  --max: 1180px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);font-size:16px;color:var(--texto);background:var(--blanco);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--fd);font-weight:700;line-height:1.15;color:var(--verde)}
h1{font-size:clamp(1.9rem,4vw,2.8rem)}
h2{font-size:clamp(1.35rem,3vw,1.9rem)}
h3{font-size:1.15rem;font-weight:600}
p{margin-bottom:.9rem}
a{color:var(--verde);text-decoration:none}
a:hover{text-decoration:underline}
.contenedor{max-width:var(--max);margin:0 auto;padding:0 24px}

/* Header */
.header{background:var(--verde);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{font-family:var(--fd);font-size:1.35rem;font-weight:800;color:#fff;letter-spacing:-.5px}
.logo span{color:#6ee7c0}
.nav{display:flex;gap:3px;align-items:center}
.nav a{font-family:var(--fd);font-size:.86rem;font-weight:600;color:rgba(255,255,255,.85);padding:7px 13px;border-radius:6px;transition:background .15s}
.nav a:hover,.nav a.activo{background:rgba(255,255,255,.14);color:#fff;text-decoration:none}
.nav-cta{background:var(--naranja)!important;color:#fff!important}
.nav-cta:hover{background:#c44d00!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}

/* Hero home */
.hero{background:linear-gradient(135deg,var(--verde) 0%,#0d9b74 60%,#0fb882 100%);color:#fff;padding:68px 0 76px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-80px;right:-100px;width:420px;height:420px;background:rgba(255,255,255,.05);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-60px;left:-60px;width:260px;height:260px;background:rgba(255,255,255,.04);border-radius:50%}
.hero-inner{position:relative;z-index:1;max-width:680px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.18);color:#fff;font-family:var(--fd);font-size:.78rem;font-weight:700;padding:5px 14px;border-radius:99px;margin-bottom:16px;border:1px solid rgba(255,255,255,.25)}
.hero h1{color:#fff;margin-bottom:14px}
.hero p{color:rgba(255,255,255,.9);font-size:1.05rem;margin-bottom:28px;max-width:540px}
.hero-btns{display:flex;gap:11px;flex-wrap:wrap}
.btn-pri{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--verde);font-family:var(--fd);font-weight:700;font-size:.92rem;padding:12px 24px;border-radius:var(--radio);transition:transform .12s,box-shadow .15s}
.btn-pri:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.15);text-decoration:none}
.btn-sec{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);color:#fff;font-family:var(--fd);font-weight:700;font-size:.92rem;padding:12px 24px;border-radius:var(--radio);border:1px solid rgba(255,255,255,.3);transition:background .15s}
.btn-sec:hover{background:rgba(255,255,255,.26);text-decoration:none}

/* Hero interno (calculadoras) */
.hero-int{background:linear-gradient(135deg,var(--verde),#0d9b74);color:#fff;padding:30px 0}
.hero-int h1{color:#fff;font-size:clamp(1.35rem,3vw,1.8rem);margin-bottom:7px}
.hero-int p{color:rgba(255,255,255,.84);font-size:.95rem;margin:0}
.hero-int .meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;font-family:var(--fd);font-size:.78rem;color:rgba(255,255,255,.68)}
.breadcrumb{padding:10px 0 0;font-family:var(--fd);font-size:.78rem;color:rgba(255,255,255,.6)}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb span{margin:0 5px}

/* Secciones */
.seccion{padding:64px 0}
.seccion-gris{background:var(--gris-bg)}
.sec-tit{text-align:center;margin-bottom:40px}
.sec-tit p{color:var(--gris-txt);font-size:.97rem;max-width:500px;margin:9px auto 0}

/* Grids */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}

/* Tarjetas home */
.tarjeta{background:var(--blanco);border:1px solid var(--gris-b);border-radius:12px;padding:22px;transition:box-shadow .2s,transform .2s}
.tarjeta:hover{box-shadow:var(--sombra-md);transform:translateY(-2px)}
.t-ico{width:42px;height:42px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:11px}
.ic-vd{background:var(--verde-cl);color:var(--verde)}
.ic-nr{background:var(--naranja-bg);color:var(--naranja)}
.ic-az{background:#e8eef8;color:var(--azul)}
.tarjeta h3{font-size:.98rem;margin-bottom:6px}
.tarjeta p{font-size:.86rem;color:var(--gris-txt);margin:0 0 11px}
.ver-mas{font-family:var(--fd);font-size:.82rem;font-weight:700;color:var(--verde)}

/* Layout calculadora */
.calc-layout{display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:start;padding:40px 0 64px}
.calc-panel{background:var(--blanco);border:1px solid var(--gris-b);border-radius:14px;padding:28px}
.calc-panel h2{font-size:1.08rem;margin-bottom:20px;color:var(--verde)}
.resultado{background:var(--verde-cl);border:1px solid #9fe5cc;border-radius:12px;padding:22px;margin-top:20px}
.resultado h3{font-size:1rem;color:var(--verde);margin-bottom:14px;font-family:var(--fd)}
.res-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid #c5e8da;font-size:.9rem}
.res-item:last-child{border-bottom:none;padding-top:12px;margin-top:4px}
.res-item.total{font-family:var(--fd);font-weight:700;font-size:1.05rem;color:var(--verde)}
.res-item span:last-child{font-family:var(--fd);font-weight:600;color:var(--verde)}
.res-item.total span:last-child{font-size:1.15rem}
.res-vacio{color:var(--gris-txt);font-size:.88rem;text-align:center;padding:16px 0}

/* Sidebar calc */
.sb-calc{position:sticky;top:78px}
.sb-card{background:var(--blanco);border:1px solid var(--gris-b);border-radius:12px;padding:19px;margin-bottom:16px}
.sb-card h4{font-family:var(--fd);font-size:.92rem;font-weight:700;color:var(--verde);margin-bottom:11px}
.sb-links{list-style:none}
.sb-links li{border-bottom:1px solid var(--gris-b)}
.sb-links li:last-child{border-bottom:none}
.sb-links a{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-family:var(--fd);font-size:.83rem;font-weight:600;color:var(--verde)}
.sb-links a:hover{color:var(--naranja);text-decoration:none}
.banner-tramites{background:linear-gradient(135deg,#1a3a6b,#2952a3);color:#fff;border-radius:12px;padding:19px;text-align:center}
.banner-tramites h4{color:#fff;font-size:.92rem;margin-bottom:6px}
.banner-tramites p{font-size:.81rem;color:rgba(255,255,255,.88);margin-bottom:11px}
.banner-tramites a{display:inline-block;background:#fff;color:#1a3a6b;font-family:var(--fd);font-weight:700;font-size:.81rem;padding:7px 15px;border-radius:6px}

/* Form */
.fg{margin-bottom:14px}
.fg label{display:block;font-family:var(--fd);font-size:.82rem;font-weight:700;color:var(--verde);margin-bottom:4px}
.fg input,.fg select{width:100%;padding:9px 13px;border:1px solid var(--gris-b);border-radius:var(--radio);font-family:var(--fb);font-size:.93rem;color:var(--texto);background:var(--blanco);transition:border-color .15s,box-shadow .15s}
.fg input:focus,.fg select:focus{outline:none;border-color:var(--verde-m);box-shadow:0 0 0 3px rgba(10,124,92,.12)}
.btn-calc{width:100%;background:var(--verde);color:#fff;font-family:var(--fd);font-weight:700;font-size:.97rem;padding:12px;border:none;border-radius:var(--radio);cursor:pointer;margin-top:6px;transition:background .15s,transform .12s}
.btn-calc:hover{background:#075e46;transform:translateY(-1px)}
.btn-reset{width:100%;background:var(--gris-bg);color:var(--gris-txt);font-family:var(--fd);font-weight:600;font-size:.86rem;padding:9px;border:1px solid var(--gris-b);border-radius:var(--radio);cursor:pointer;margin-top:8px;transition:background .15s}
.btn-reset:hover{background:var(--gris-b)}

/* Tabla */
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.9rem}
th{background:var(--verde);color:#fff;font-family:var(--fd);font-weight:700;padding:9px 13px;text-align:left}
td{padding:9px 13px;border-bottom:1px solid var(--gris-b)}
tr:nth-child(even) td{background:var(--gris-bg)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--gris-b)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:14px 0;font-family:var(--fd);font-size:.94rem;font-weight:700;color:var(--verde);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q:hover{color:var(--naranja)}
.faq-ico{flex-shrink:0;transition:transform .2s}
.faq-r{display:none;padding:0 0 14px;font-size:.9rem;color:var(--gris-txt);line-height:1.65}
.faq-r.open{display:block}
.faq-ico.rot{transform:rotate(45deg)}

/* Alertas */
.al-info{background:var(--verde-cl);border-left:4px solid var(--verde-m);padding:13px 17px;border-radius:0 var(--radio) var(--radio) 0;margin:16px 0;font-size:.91rem}
.al-ojo{background:var(--naranja-bg);border-left:4px solid var(--naranja);padding:13px 17px;border-radius:0 var(--radio) var(--radio) 0;margin:16px 0;font-size:.91rem}

/* AdSense */
.adsense{background:var(--gris-bg);border:1px dashed var(--gris-b);border-radius:var(--radio);padding:18px;text-align:center;font-family:var(--fd);font-size:.75rem;color:#aab;margin:18px 0;min-height:88px;display:flex;align-items:center;justify-content:center}

/* Banner TrámitesMX */
.btramites{background:linear-gradient(135deg,#1a3a6b,#2952a3);border-radius:14px;padding:32px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.btramites h2{color:#fff;font-size:1.4rem;margin-bottom:7px}
.btramites p{color:rgba(255,255,255,.88);margin:0;font-size:.95rem}
.btramites a{display:inline-block;background:#fff;color:#1a3a6b;font-family:var(--fd);font-weight:700;font-size:.95rem;padding:12px 24px;border-radius:9px;white-space:nowrap}
.btramites-sub{color:rgba(255,255,255,.66);font-size:.77rem;margin-top:7px;font-family:var(--fd);text-align:center}

/* Footer */
.footer{background:var(--verde);color:rgba(255,255,255,.75);padding:42px 0 22px;margin-top:52px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.footer-marca p{font-size:.83rem;line-height:1.6;margin-top:8px;color:rgba(255,255,255,.62)}
.footer h4{font-family:var(--fd);font-size:.86rem;font-weight:700;color:#fff;margin-bottom:11px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:6px}
.footer ul a{font-size:.82rem;color:rgba(255,255,255,.68)}
.footer ul a:hover{color:#fff;text-decoration:none}
.footer-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;justify-content:space-between;align-items:center;font-size:.77rem;flex-wrap:wrap;gap:8px}
.footer-bot a{color:rgba(255,255,255,.6)}

/* Responsive */
@media(max-width:960px){
  .calc-layout{grid-template-columns:1fr}
  .sb-calc{position:static}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .btramites{grid-template-columns:1fr}
}
@media(max-width:600px){
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hamburger{display:flex}
  .nav{display:none;position:absolute;top:62px;left:0;right:0;background:var(--verde);flex-direction:column;padding:12px;gap:3px;box-shadow:0 4px 20px rgba(0,0,0,.2)}
  .nav.open{display:flex}
  .nav a{padding:10px 13px}
  .hero-btns{flex-direction:column}
}