/* ============================================================================
   Notaría Ignacio Elizondo · Torreón, Coahuila
   Sistema de diseño derivado de SUMA / Secretaría de Economía de Coahuila.
   Tipografías: Archivo (display) · IBM Plex Sans (cuerpo) · IBM Plex Mono (kicker)
   Base: negro / blanco / arena. Acentos del motivo de flechas.
   Autor: Ricardo López Reyero — RLR
   rev 181218
   ========================================================================== */

:root{
  /* --- RLR · paleta base heredada de SUMA --- */
  --background:#ffffff;
  --ink:#111111;
  --ink-soft:#6b6660;
  --line:#ddd8d0;
  --sand:#f4f1ec;
  --sand-deep:#eae5dc;

  --verde:#00a651;
  --verde-ink:#00874a;
  --ambar:#f5a623;
  --ambar-deep:#e5a823;
  --azul:#0072ce;
  --teal:#00a0b0;
  --rojo:#e4002b;

  --font-display:"Archivo",ui-sans-serif,system-ui,sans-serif;
  --font-sans:"IBM Plex Sans",ui-sans-serif,system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;

  --nav-h:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;scroll-padding-top:120px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--background);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.65;
  font-weight:400;
}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);letter-spacing:-.02em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--verde);color:#fff}
:focus-visible{outline:2px solid var(--verde);outline-offset:3px}

/* ---------- utilidades RLR ---------- */
.container-x{width:100%;max-width:1280px;margin-inline:auto;padding-inline:24px}
@media (min-width:768px){.container-x{padding-inline:48px}}
@media (min-width:1024px){.container-x{padding-inline:80px}}

.kicker{
  font-family:var(--font-mono);font-size:12px;font-weight:400;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);
}
.kicker-light{
  font-family:var(--font-mono);font-size:12px;font-weight:400;
  letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.7);
}
.numeral{font-family:var(--font-display);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1}

.h-xl{font-family:var(--font-display);font-weight:800;line-height:.94;letter-spacing:-.03em;font-size:clamp(2.4rem,6.6vw,5.4rem)}
.h-lg{font-family:var(--font-display);font-weight:700;line-height:1.02;letter-spacing:-.025em;font-size:clamp(2rem,4.4vw,3.6rem)}
.h-md{font-family:var(--font-display);font-weight:600;line-height:1.12;letter-spacing:-.02em;font-size:clamp(1.35rem,2.2vw,1.75rem)}
.lead{font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.65;color:var(--ink-soft)}
.lead-light{font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.65;color:rgba(255,255,255,.82)}
.muted{color:var(--ink-soft)}

.sec{padding-block:clamp(64px,9vw,132px)}
.sec-sand{background:var(--sand)}
.sec-ink{background:var(--ink);color:#fff}
.sec-ink h2,.sec-ink h3{color:#fff}

/* ---------- botones (SUMA) ---------- */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:13px 30px;border-radius:4px;
  font-family:var(--font-sans);font-weight:500;font-size:15px;letter-spacing:.01em;
  line-height:1.35;text-align:center;cursor:pointer;border:0;
  transition:background 160ms ease-out,color 160ms ease-out,border-color 160ms ease-out,transform 160ms ease-out,box-shadow 160ms ease-out;
}
.btn-primary{background:var(--verde);color:#fff}
.btn-primary:hover{background:var(--verde-ink);transform:translateY(-2px);box-shadow:0 10px 26px -12px rgba(0,166,81,.75)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
.btn-primary .arw,.btn-outline .arw,.btn-ghost .arw{transition:transform 160ms ease-out}
.btn-primary:hover .arw,.btn-outline:hover .arw,.btn-ghost:hover .arw{transform:translateX(4px)}

.btn-link{display:inline-flex;align-items:center;gap:8px;color:var(--verde-ink);font-weight:500;
  border-bottom:1px solid var(--verde);padding-bottom:3px;transition:gap 160ms ease-out}
.btn-link:hover{gap:13px}

/* ---------- motivo de flechas ---------- */
.arrows{display:inline-flex;align-items:center;gap:2px}
.arrows svg{display:block}
.arrows svg{animation:arw-in 520ms cubic-bezier(.22,1,.36,1) both}
.arrows svg:nth-child(2){animation-delay:70ms}
.arrows svg:nth-child(3){animation-delay:140ms}
.arrows svg:nth-child(4){animation-delay:210ms}
@keyframes arw-in{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:none}}

/* ---------- encabezado ---------- */
.nav{position:fixed;inset-inline:0;top:0;z-index:60;background:rgba(17,17,17,.92);
  backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);
  color:#fff;transition:height 220ms ease,background 220ms ease,box-shadow 220ms ease}
.nav::after{content:"";position:absolute;inset-inline:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--rojo) 0 25%,var(--verde) 25% 50%,var(--teal) 50% 75%,var(--ambar) 75% 100%)}
.nav.is-scrolled{box-shadow:0 12px 34px -22px rgba(0,0,0,.9)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);transition:height 220ms ease}
.nav.is-scrolled .nav-in{height:70px}
.brand{display:flex;align-items:center;gap:14px;min-width:0;flex:1 1 auto;margin-right:12px}
@media (min-width:1240px){.brand{flex:0 1 auto}}
.brand-mark{width:42px;height:42px;flex:none;border-radius:4px;background:#fff;color:var(--ink);
  display:grid;place-items:center;font-family:var(--font-display);font-weight:800;font-size:17px;letter-spacing:-.04em}
.brand-txt{min-width:0;overflow:hidden}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:-.01em;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.6);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:520px){.brand-name{font-size:15px}.brand-sub{font-size:9.5px;letter-spacing:.1em}}
.nav-links{display:none;align-items:center;gap:22px;white-space:nowrap;margin-inline:28px}
@media (min-width:1240px){.nav-links{display:flex}}
.nav-links a{font-size:14px;color:rgba(255,255,255,.78);position:relative;padding-block:6px;transition:color 160ms ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--verde);transition:width 220ms ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{width:100%}
.nav-cta{display:none}
@media (min-width:1240px){.nav-cta{display:inline-flex;min-height:42px;padding:9px 20px;font-size:14px;white-space:nowrap}}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;
  align-items:center;background:transparent;border:1px solid rgba(255,255,255,.3);border-radius:4px;cursor:pointer}
@media (min-width:1240px){.burger{display:none}}
.burger span{display:block;width:18px;height:1.5px;background:#fff;transition:transform 200ms ease,opacity 200ms ease}
.burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.drawer{position:fixed;inset:0;z-index:55;background:var(--ink);padding:calc(var(--nav-h) + 28px) 24px 40px;
  display:flex;flex-direction:column;gap:6px;opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity 220ms ease,transform 220ms ease,visibility 220ms}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer a{font-family:var(--font-display);font-weight:600;font-size:26px;color:#fff;padding-block:12px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer .btn-primary{margin-top:26px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding-top:calc(var(--nav-h) + 70px);padding-bottom:clamp(70px,10vw,120px)}
.hero-bg{position:absolute;inset:0;
  background:
    radial-gradient(1100px 620px at 78% 8%,rgba(0,166,81,.20),transparent 62%),
    radial-gradient(820px 520px at 6% 92%,rgba(245,166,35,.14),transparent 60%),
    linear-gradient(180deg,#161616 0%,#0f0f0f 100%);}
.hero-grid{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:88px 88px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%)}
.hero-in{position:relative;z-index:2}
.hero h1{max-width:none}
.hero .lead-light{max-width:60ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(30px,4vw,44px)}
.hero-micro{margin-top:22px;font-size:14.5px;color:rgba(255,255,255,.58);max-width:56ch}

.hero-strip{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.12);margin-top:clamp(48px,7vw,84px);padding-top:34px;
  display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:700px){.hero-strip{grid-template-columns:repeat(3,1fr);gap:40px}}
.hero-strip .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.hero-strip .v{margin-top:8px;font-family:var(--font-display);font-weight:600;font-size:18px;line-height:1.35;color:#fff}

/* ---------- reveal ---------- */
.rise{opacity:0;transform:translateY(18px);transition:opacity 620ms cubic-bezier(.22,1,.36,1),transform 620ms cubic-bezier(.22,1,.36,1)}
.rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise{opacity:1;transform:none;transition:none}}

/* ---------- bloques ---------- */
.sec-head{max-width:62ch}
.sec-head .h-lg{margin-top:22px}
.sec-head .lead{margin-top:24px}

.riesgos{display:grid;grid-template-columns:1fr;gap:0;margin-top:clamp(38px,5vw,58px);border-top:1px solid var(--line)}
.riesgo{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;padding:26px 4px;border-bottom:1px solid var(--line);
  transition:background 200ms ease,padding-inline 200ms ease}
.riesgo:hover{background:#fff;padding-inline:20px}
.sec:not(.sec-sand) .riesgo:hover{background:var(--sand)}
.riesgo .n{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--ink-soft);padding-top:5px}
.riesgo p{font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.5;font-family:var(--font-display);font-weight:500;letter-spacing:-.01em}
.riesgo .bar{grid-column:1/-1;height:2px;width:0;background:var(--rojo);transition:width 420ms ease}
.riesgo:hover .bar{width:64px}

.cards{display:grid;grid-template-columns:1fr;gap:18px;margin-top:clamp(38px,5vw,58px)}
@media (min-width:700px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.cards.c3{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:32px;
  transition:background 240ms ease,color 240ms ease,transform 240ms ease,border-color 240ms ease,box-shadow 240ms ease}
.card:hover{background:var(--ink);border-color:var(--ink);transform:translateY(-5px);box-shadow:0 26px 50px -30px rgba(0,0,0,.6)}
.card:hover h3{color:#fff}
.card:hover .card-b{color:rgba(255,255,255,.76)}
.card:hover .card-n{color:rgba(255,255,255,.5)}
.card:hover .card-ic{background:#fff;color:var(--ink)}
.card-top{display:flex;align-items:center;justify-content:space-between}
.card-ic{width:48px;height:48px;border-radius:4px;background:var(--ink);color:#fff;display:grid;place-items:center;transition:background 240ms ease,color 240ms ease}
.card-n{font-family:var(--font-mono);font-size:12px;color:var(--ink-soft);transition:color 240ms ease}
.card h3{margin-top:26px}
.card-b{margin-top:14px;color:var(--ink-soft);line-height:1.62;transition:color 240ms ease}
.card ul{margin-top:16px;display:flex;flex-direction:column;gap:11px}
.card li{display:flex;gap:12px;color:var(--ink-soft);line-height:1.55;transition:color 240ms ease}
.card:hover li{color:rgba(255,255,255,.76)}
.card li::before{content:"";margin-top:9px;width:6px;height:6px;flex:none;border-radius:50%;background:var(--verde)}

/* ---------- áreas de práctica (acordeón) ---------- */
.areas{margin-top:clamp(38px,5vw,58px);border-top:1px solid rgba(255,255,255,.16)}
.area{border-bottom:1px solid rgba(255,255,255,.16)}
.area-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;color:#fff;cursor:pointer;text-align:left;padding:28px 4px;
  font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;
  font-size:clamp(1.25rem,2.4vw,1.9rem);line-height:1.2;transition:padding-inline 240ms ease,color 240ms ease}
.area-btn:hover{padding-inline:14px 4px}
.area-btn .plus{position:relative;flex:none;width:34px;height:34px;border:1px solid rgba(255,255,255,.34);border-radius:4px;transition:background 240ms ease,border-color 240ms ease,transform 300ms ease}
.area-btn .plus::before,.area-btn .plus::after{content:"";position:absolute;left:50%;top:50%;background:#fff;transition:transform 300ms ease,background 240ms ease}
.area-btn .plus::before{width:13px;height:1.5px;transform:translate(-50%,-50%)}
.area-btn .plus::after{width:1.5px;height:13px;transform:translate(-50%,-50%)}
.area.is-open .plus{background:var(--verde);border-color:var(--verde);transform:rotate(180deg)}
.area.is-open .plus::after{transform:translate(-50%,-50%) scaleY(0)}
.area-body{overflow:hidden;height:0;transition:height 360ms cubic-bezier(.22,1,.36,1)}
.area-body-in{padding:0 4px 34px;display:grid;grid-template-columns:1fr;gap:10px}
@media (min-width:760px){.area-body-in{grid-template-columns:repeat(2,1fr);gap:10px 34px}}
.area-body-in li{display:flex;gap:12px;color:rgba(255,255,255,.74);font-size:15.5px;line-height:1.5}
.area-body-in li::before{content:"";margin-top:9px;width:5px;height:5px;flex:none;border-radius:50%;background:var(--ambar)}

/* ---------- notario ---------- */
.notario{display:grid;grid-template-columns:1fr;gap:clamp(34px,5vw,64px);align-items:start}
@media (min-width:960px){.notario{grid-template-columns:5fr 7fr}}
.retrato{position:relative;border-radius:4px;overflow:hidden;background:var(--ink);aspect-ratio:4/5;
  display:grid;place-items:center;color:rgba(255,255,255,.9)}
.retrato::after{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 400px at 30% 20%,rgba(0,166,81,.24),transparent 62%)}
.retrato .mono{position:relative;z-index:2;font-family:var(--font-display);font-weight:800;font-size:clamp(4rem,11vw,7rem);letter-spacing:-.05em;line-height:1;opacity:.92}
.retrato .cap{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:20px 22px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.7));
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.82)}
.cita{margin-top:34px;border-left:2px solid var(--verde);padding:6px 0 6px 24px}
.cita p{font-family:var(--font-display);font-weight:500;font-style:italic;font-size:clamp(1.1rem,1.9vw,1.45rem);line-height:1.42;letter-spacing:-.015em}
.cita cite{display:block;margin-top:14px;font-style:normal;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- cifras ---------- */
.cifras{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16);border-radius:4px;overflow:hidden;margin-top:clamp(36px,5vw,54px)}
@media (min-width:900px){.cifras{grid-template-columns:repeat(4,1fr)}}
.cifra{background:var(--ink);padding:34px 26px}
.cifra .v{font-family:var(--font-display);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.04em;line-height:1;font-size:clamp(2.3rem,4.6vw,3.4rem);color:#fff}
.cifra .l{margin-top:14px;font-size:14.5px;color:rgba(255,255,255,.62);line-height:1.45}

/* ---------- faq ---------- */
.faq{margin-top:clamp(38px,5vw,58px);border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-btn{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;background:transparent;border:0;
  cursor:pointer;text-align:left;padding:26px 4px;font-family:var(--font-display);font-weight:600;letter-spacing:-.015em;
  font-size:clamp(1.05rem,1.7vw,1.3rem);line-height:1.35;color:var(--ink);transition:color 200ms ease}
.faq-btn:hover{color:var(--verde-ink)}
.faq-btn .chev{flex:none;margin-top:4px;transition:transform 320ms cubic-bezier(.22,1,.36,1);color:var(--ink-soft)}
.faq-item.is-open .chev{transform:rotate(180deg);color:var(--verde)}
.faq-body{overflow:hidden;height:0;transition:height 340ms cubic-bezier(.22,1,.36,1)}
.faq-body p{padding:0 4px 28px;max-width:76ch;color:var(--ink-soft)}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(900px 460px at 82% 0%,rgba(0,166,81,.24),transparent 62%),
             radial-gradient(700px 420px at 0% 100%,rgba(245,166,35,.14),transparent 60%)}
.cta-in{position:relative;z-index:2}
.cta-msg{margin-top:30px;border:1px dashed rgba(255,255,255,.28);border-radius:4px;padding:22px 24px;max-width:64ch;
  font-family:var(--font-mono);font-size:14px;line-height:1.6;color:rgba(255,255,255,.72)}

/* ---------- contacto ---------- */
.contacto{display:grid;grid-template-columns:1fr;gap:26px;margin-top:clamp(40px,5vw,56px)}
@media (min-width:820px){.contacto{grid-template-columns:repeat(3,1fr)}}
.dato{border:1px solid rgba(255,255,255,.18);border-radius:4px;padding:26px;transition:border-color 220ms ease,background 220ms ease}
.dato:hover{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.04)}
.dato .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.dato .v{margin-top:12px;font-family:var(--font-display);font-weight:600;font-size:17px;line-height:1.45;color:#fff}
.dato .v a:hover{color:var(--verde)}

/* ---------- pie ---------- */
.pie{background:var(--ink);color:rgba(255,255,255,.62);border-top:1px solid rgba(255,255,255,.12);padding-block:52px;font-size:14.5px}
.pie-in{display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.pie a:hover{color:#fff}
.pie-links{display:flex;flex-wrap:wrap;gap:22px}

/* ---------- barra flotante móvil ---------- */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(17,17,17,.96);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.14);padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:flex;gap:10px;transform:translateY(120%);transition:transform 300ms cubic-bezier(.22,1,.36,1)}
.dock.in{transform:none}
@media (min-width:1240px){.dock{display:none}}
.dock .btn-primary,.dock .btn-ghost{flex:1;min-height:46px;padding:11px 14px;font-size:14px}
body.has-dock{padding-bottom:0}
@media (max-width:1239px){body.has-dock .pie{padding-bottom:100px}}

/* ---------- progreso de lectura ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:80;background:var(--verde);transition:width 90ms linear}

/* RLR · fin de hoja de estilos — rev 181218 */