/* =========================================================
   AR CONSULTORA PY — Sistema de diseño
   Concepto: "Precisión orgánica" — rigor técnico + calidez natural
   ========================================================= */

/* ---------- Tipografía autoalojada ---------- */
@font-face{font-family:"Tajawal";font-style:normal;font-weight:400;font-display:swap;src:url("../assets/fonts/tajawal-400.woff2") format("woff2");}
@font-face{font-family:"Tajawal";font-style:normal;font-weight:500;font-display:swap;src:url("../assets/fonts/tajawal-500.woff2") format("woff2");}
@font-face{font-family:"Tajawal";font-style:normal;font-weight:700;font-display:swap;src:url("../assets/fonts/tajawal-700.woff2") format("woff2");}
@font-face{font-family:"Tajawal";font-style:normal;font-weight:800;font-display:swap;src:url("../assets/fonts/tajawal-800.woff2") format("woff2");}
@font-face{font-family:"Tajawal";font-style:normal;font-weight:900;font-display:swap;src:url("../assets/fonts/tajawal-900.woff2") format("woff2");}
@font-face{font-family:"Open Sans";font-style:normal;font-weight:400 700;font-display:swap;src:url("../assets/fonts/opensans-var.woff2") format("woff2");}

/* ---------- Tokens ---------- */
:root{
  /* Paleta corporativa original (no sustituida) */
  --forest:#244435;
  --forest-deep:#152920;
  --lime:#71b100;
  --orange:#fe9638;
  --mist:#f3f7f0;

  /* Neutros editoriales derivados */
  --ink:#1b241d;
  --paper:#fbf9f3;
  --paper-dim:#efece2;
  --line:rgba(27,36,29,.12);
  --line-light:rgba(255,255,255,.18);

  --font-display:"Tajawal",Helvetica,Arial,sans-serif;
  --font-body:"Open Sans",Arial,sans-serif;

  --container:1240px;
  --gutter:clamp(1.25rem,4vw,3rem);

  --space-1:.5rem;
  --space-2:1rem;
  --space-3:1.5rem;
  --space-4:2.5rem;
  --space-5:3.5rem;
  --space-6:4.5rem;
  --space-7:5.5rem;

  --radius:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{overflow-anchor:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
body,h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}

body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.08;
  color:var(--ink);
  letter-spacing:-.01em;
}

.wrap{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.skip-link{
  position:absolute;left:-999px;top:0;
  background:var(--orange);color:var(--ink);padding:.75rem 1.25rem;z-index:999;font-weight:700;
}
.skip-link:focus{left:var(--gutter);top:var(--gutter);}

:focus-visible{outline:3px solid var(--orange);outline-offset:3px;}

/* ---------- Tipografía utilitaria ---------- */
.eyebrow{
  font-family:var(--font-display);
  font-weight:700;
  font-size:.8rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--lime);
  display:flex;align-items:center;gap:.6em;
  margin-bottom:var(--space-2);
}
.eyebrow::before{content:"";width:2.2em;height:2px;background:var(--orange);display:inline-block;}
.eyebrow-light{color:#d9e6c9;}
.eyebrow-light::before{background:var(--orange);}

.text-light{color:var(--paper);}

.section-head{max-width:44rem;margin-bottom:var(--space-4);}
.section-head h2{font-size:clamp(2rem,1.4rem + 2.6vw,3.1rem);margin-bottom:var(--space-2);}
.section-lead{font-size:1.1rem;color:#4a534c;max-width:40rem;}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
  letter-spacing:.02em;
  padding:.95em 1.8em;
  border-radius:var(--radius);
  transition:transform .35s var(--ease),background-color .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

.btn-primary{background:var(--forest);color:#fff;}
.btn-primary:hover{background:var(--forest-deep);}

.btn-accent{background:var(--orange);color:var(--ink);position:relative;overflow:hidden;}
.btn-accent:hover{background:#ffab5e;}
.btn-accent::after{
  content:"";position:absolute;top:0;left:-60%;width:35%;height:100%;
  background:linear-gradient(120deg, transparent, rgba(255,255,255,.55), transparent);
  transform:skewX(-20deg);animation:shimmer 3.4s ease-in-out infinite;
}
@keyframes shimmer{0%{left:-60%;}60%,100%{left:130%;}}

.btn-outline-light{border:1.5px solid var(--line-light);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.1);}

.btn-ghost-inverse{color:#fff;font-size:.85rem;padding:.6em 1.1em;border:1.5px solid rgba(255,255,255,.35);border-radius:999px;}
.btn-ghost-inverse:hover{background:rgba(255,255,255,.12);}
.icon-wa{width:16px;height:16px;fill:currentColor;}

.btn-lg{padding:1.1em 2.4em;font-size:1.05rem;}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed;inset-block-start:0;inset-inline:0;z-index:100;
  background:rgba(20,38,29,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background-color .3s var(--ease);
}
.scroll-progress{position:absolute;left:0;bottom:-1px;height:2px;width:0%;background:linear-gradient(90deg,var(--lime),var(--orange));transition:width .12s linear;}
.header-row{display:flex;align-items:center;gap:var(--space-4);height:78px;}
.brand{display:flex;align-items:center;gap:.65rem;margin-right:auto;}
.brand-mark{width:38px;height:38px;object-fit:contain;transition:transform .6s var(--ease);}
.brand:hover .brand-mark{transform:rotate(180deg);}
.brand-text{font-family:var(--font-display);font-weight:800;font-size:1.05rem;color:#fff;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-weight:400;opacity:.75;}

.site-nav ul{display:flex;gap:var(--space-4);}
.site-nav a{
  font-family:var(--font-display);font-weight:500;font-size:.95rem;color:#eef1ea;
  position:relative;padding-block:.3rem;
}
.site-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--orange);
  transition:width .3s var(--ease);
}
.site-nav a:hover::after,.site-nav a.active::after{width:100%;}

.header-actions{display:flex;align-items:center;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;
}
.nav-toggle span{width:100%;height:2px;background:#fff;transition:transform .3s var(--ease),opacity .3s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:flex-end;
  padding-block-start:78px;
  overflow:clip;
  isolation:isolate;
}
.hero-media{position:absolute;inset:0;z-index:-1;}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:75% 30%;transform:translateY(0);will-change:transform;}
.hero-media-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(15,26,19,.94) 0%, rgba(15,26,19,.72) 38%, rgba(15,26,19,.32) 68%, rgba(15,26,19,.15) 100%),
    linear-gradient(0deg, rgba(15,26,19,.55) 0%, rgba(15,26,19,0) 32%);
}

.hero-grid{
  display:grid;grid-template-columns:1.3fr 1fr;gap:var(--space-5);
  align-items:end;
  padding-block:var(--space-5) var(--space-4);
  width:100%;
}

.scroll-cue{
  position:absolute;left:50%;bottom:1.75rem;transform:translateX(-50%);
  width:26px;height:42px;border:2px solid rgba(255,255,255,.45);border-radius:20px;
  display:flex;justify-content:center;padding-top:8px;z-index:2;
}
.scroll-cue span{width:4px;height:8px;background:var(--orange);border-radius:2px;animation:scrollCue 1.8s ease-in-out infinite;}
@keyframes scrollCue{0%{transform:translateY(0);opacity:1;}70%{opacity:0;}100%{transform:translateY(14px);opacity:0;}}
@media (max-width:860px){.scroll-cue{display:none;}}
.hero-copy{max-width:34rem;}
.hero-title{
  font-size:clamp(2.3rem,1.2rem + 4.6vw,4.6rem);
  color:#fff;
  margin-block:.3em .5em;
}
.hero-lead{color:#d7ded1;font-size:1.15rem;max-width:32rem;margin-bottom:var(--space-4);}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;}

.hero-files{display:flex;flex-direction:column;gap:1rem;align-self:end;}
.file-tab{
  position:relative;
  display:flex;flex-direction:column;gap:.15rem;
  background:rgba(251,249,243,.08);
  border:1px solid rgba(255,255,255,.16);
  border-left:3px solid var(--lime);
  padding:1.1rem 2.4rem 1.1rem 1.3rem;
  border-radius:2px;
  backdrop-filter:blur(4px);
  transition:background-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.file-tab:hover{background:rgba(251,249,243,.16);transform:translateX(4px);box-shadow:0 10px 26px rgba(0,0,0,.22);}
.file-tab--lime{border-left-color:var(--orange);}
.file-tab-index{font-family:var(--font-display);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--lime);}
.file-tab--lime .file-tab-index{color:var(--orange);}
.file-tab-title{font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:#fff;}
.file-tab-desc{font-size:.85rem;color:#c7d0bd;max-width:22ch;}
.file-tab-arrow{
  position:absolute;right:1.1rem;bottom:1.1rem;color:var(--lime);font-weight:700;
  opacity:0;transform:translateX(-6px);transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.file-tab--lime .file-tab-arrow{color:var(--orange);}
.file-tab:hover .file-tab-arrow{opacity:1;transform:translateX(0);}

/* =========================================================
   CREDENTIAL STRIP
   ========================================================= */
.credential-strip{
  background:var(--paper-dim);
  border-block:1px solid var(--line);
  padding-block:var(--space-3);
}
.credential-grid{
  display:grid;
  grid-template-columns:auto auto 1px 1fr;
  gap:var(--space-5);
  align-items:center;
}
.credential-stat{display:flex;flex-direction:column;}
.credential-number{
  font-family:var(--font-display);font-weight:900;font-size:3rem;line-height:1;color:var(--forest);
}
.credential-label{font-size:.82rem;color:#556052;margin-top:.4rem;line-height:1.3;}
.credential-divider{width:1px;align-self:stretch;background:var(--line);}
.credential-orgs-label{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#6b746a;margin-bottom:.7rem;}
.org-list{display:flex;flex-wrap:wrap;gap:.6rem 1.8rem;}
.org-list li{
  font-family:var(--font-display);font-weight:700;color:var(--forest);font-size:1rem;
  position:relative;white-space:nowrap;
  transition:color .3s var(--ease), transform .3s var(--ease);
}
.org-list li::after{content:"·";position:absolute;right:-1.1rem;color:var(--orange);}
.org-list li:last-child::after{content:"";}
.org-list li:hover{color:var(--lime);transform:translateY(-2px);}

/* =========================================================
   SERVICIOS
   ========================================================= */
.services{
  padding-block:var(--space-7);
}

.service-featured{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4);
  margin-bottom:var(--space-5);
}
.service-card{
  border-top:2px solid var(--forest);
  padding-block-start:var(--space-3);
  position:relative;
  overflow:hidden;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:0 18px 40px rgba(27,36,29,.14);
  border-top-color:var(--lime);
}
.service-card::before{
  content:attr(data-num);
  position:absolute;right:-.4rem;top:-1.8rem;
  font-family:var(--font-display);font-weight:900;font-size:7rem;line-height:1;
  color:var(--forest);opacity:.05;pointer-events:none;
  transition:opacity .4s var(--ease), transform .4s var(--ease);
}
.service-card:hover::before{opacity:.1;transform:translateY(-4px);}
.service-index{
  font-family:var(--font-display);font-weight:900;font-size:.85rem;color:var(--orange);
  letter-spacing:.08em;
}
.service-icon{width:42px;height:42px;color:var(--forest);margin-block:var(--space-2);transition:transform .5s var(--ease), color .4s var(--ease);}
.service-card:hover .service-icon{transform:rotate(-8deg) scale(1.08);color:var(--lime);}
.service-card h3{font-size:1.3rem;margin-bottom:.6rem;}
.service-card p{color:#4a534c;font-size:.98rem;}

.service-index-list{
  border-top:1px solid var(--line);
}
.service-index-list ol{display:grid;grid-template-columns:repeat(2,1fr);}
.service-index-list li{
  display:flex;align-items:baseline;gap:1.1rem;
  padding:1.15rem var(--space-2);
  border-bottom:1px solid var(--line);
  font-family:var(--font-display);font-weight:500;font-size:1.02rem;
  position:relative;
  transition:padding-left .3s var(--ease), color .3s var(--ease);
}
.service-index-list li::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);
  transform:scaleY(0);transform-origin:bottom;transition:transform .35s var(--ease);
}
.service-index-list li:hover::before{transform:scaleY(1);}
.service-index-list li:hover{padding-left:1.6rem;color:var(--forest);}
.service-index-list li:nth-child(odd){border-right:1px solid var(--line);}
.li-num{color:var(--lime);font-weight:800;font-size:.85rem;min-width:2ch;transition:color .3s var(--ease);}
.service-index-list li:hover .li-num{color:var(--orange);}

/* =========================================================
   PROCESO
   ========================================================= */
.process{
  background:var(--forest);
  color:var(--paper);
  padding-block:var(--space-7);
  position:relative;
}
.process .section-head{margin-bottom:var(--space-5);}
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4);
  counter-reset:step;
}
.process-step{
  padding-inline-start:var(--space-3);
  position:relative;
  transition:transform .35s var(--ease);
}
.process-step::before{
  content:"";position:absolute;left:0;top:0;width:1px;height:0%;
  background:linear-gradient(var(--lime),rgba(255,255,255,.05));
  transition:height 1.1s var(--ease) .15s;
}
.process-step.is-visible::before{height:100%;}
.process-step:hover{transform:translateX(4px);}
.process-num{
  font-family:var(--font-display);font-weight:900;font-size:2.4rem;color:var(--lime);
  display:block;margin-bottom:.6rem;
  transition:color .3s var(--ease);
}
.process-step:hover .process-num{color:var(--orange);}
.process-step h3{color:#fff;font-size:1.15rem;margin-bottom:.5rem;}
.process-step p{color:#c7d0bd;font-size:.95rem;}

/* =========================================================
   SOBRE NOSOTROS
   ========================================================= */
.about{padding-block:var(--space-7);}
.about-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:var(--space-6);
  align-items:center;
}
.about-copy h2{font-size:clamp(2rem,1.4rem + 2.6vw,3.1rem);margin-bottom:var(--space-3);}
.about-copy p{color:#3d453f;margin-bottom:1.1rem;max-width:38rem;}
.about-copy .btn{margin-top:var(--space-2);}
.about-media{
  aspect-ratio:3/4;overflow:hidden;border-radius:2px;
  position:relative;
}
.about-media::after{
  content:"";position:absolute;inset:0;
  border:10px solid var(--paper);
  outline:1px solid var(--line);
  outline-offset:-10px;
  pointer-events:none;
}
.about-media img{width:100%;height:100%;object-fit:cover;animation:kenBurns 16s ease-in-out infinite alternate;}
@keyframes kenBurns{from{transform:scale(1) translate(0,0);}to{transform:scale(1.09) translate(-1%,-1%);}}

/* =========================================================
   CTA BANDA
   ========================================================= */
.cta-band{background:var(--orange);padding-block:var(--space-4);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:-20% -10%;
  background:repeating-linear-gradient(-45deg, rgba(255,255,255,.16) 0 14px, transparent 14px 28px);
  animation:stripeMove 5s linear infinite;
  pointer-events:none;
}
@keyframes stripeMove{from{transform:translateX(0);}to{transform:translateX(40px);}}
.cta-band-grid{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;}
.cta-band h2{font-size:clamp(1.5rem,1.1rem + 1.6vw,2.2rem);max-width:30rem;}
.cta-band p{color:#3f2c15;margin-top:.4rem;}
.cta-band .btn-primary{animation:pulseGlow 2.6s ease-in-out infinite;}
@keyframes pulseGlow{0%,100%{box-shadow:0 0 0 0 rgba(21,41,32,.4);}50%{box-shadow:0 0 0 12px rgba(21,41,32,0);}}

/* =========================================================
   GALERÍA TÉCNICA
   ========================================================= */
.gallery-strip{display:grid;grid-template-columns:1fr 1fr;}
.gallery-item{position:relative;overflow:hidden;}
.gallery-item img{width:100%;height:100%;max-height:420px;object-fit:cover;filter:saturate(1.05);transition:transform 1.2s var(--ease);}
.gallery-item:hover img{transform:scale(1.07);}
.gallery-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:1.4rem 1.6rem;
  background:linear-gradient(0deg, rgba(10,18,13,.88), transparent);
  color:#fff;font-family:var(--font-display);font-weight:700;font-size:.95rem;letter-spacing:.01em;
  transform:translateY(120%);transition:transform .4s var(--ease);
}
.gallery-item:hover figcaption{transform:translateY(0);}

/* =========================================================
   CONTACTO
   ========================================================= */
.contact{
  background:var(--forest-deep);color:var(--paper);padding-block:var(--space-7);
}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:var(--space-6);}
.contact-lead{color:#c7d0bd;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-top:var(--space-3);}
.contact-phone{
  display:inline-block;font-family:var(--font-display);font-weight:900;
  font-size:clamp(1.8rem,1.3rem + 2vw,2.6rem);color:var(--lime);margin-block:.3rem var(--space-4);
}
.contact-phone:hover{color:var(--orange);}
.contact-social{display:flex;gap:1.5rem;}
.contact-social a{
  font-family:var(--font-display);font-weight:700;font-size:.9rem;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:.2rem;
}
.contact-social a:hover{border-color:var(--orange);color:var(--orange);}

.contact-form{
  background:var(--paper);color:var(--ink);
  padding:var(--space-4);border-radius:2px;
}
.contact-form h3{font-size:1.3rem;margin-bottom:var(--space-3);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem;font-size:.85rem;font-weight:600;}
.field input,.field textarea{
  border:1px solid var(--line);background:#fff;padding:.85em 1em;border-radius:2px;font-size:.95rem;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.field input:focus,.field textarea:focus{border-color:var(--forest);box-shadow:0 0 0 3px rgba(36,68,53,.12);outline:none;transform:translateY(-1px);}
.field textarea{resize:vertical;min-height:8rem;}
.form-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;}
.form-note{font-size:.8rem;color:#6b746a;max-width:24rem;display:flex;align-items:center;}
.field.has-error input,.field.has-error textarea{border-color:#c0392b;animation:shake .4s var(--ease);}
@keyframes shake{20%{transform:translateX(-4px);}40%{transform:translateX(4px);}60%{transform:translateX(-3px);}80%{transform:translateX(3px);}100%{transform:translateX(0);}}
.form-success-icon{
  width:18px;height:18px;flex-shrink:0;margin-right:.45rem;
  fill:none;stroke:var(--lime);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:30;stroke-dashoffset:30;transition:stroke-dashoffset .5s var(--ease);
}
.form-success-icon.drawn{stroke-dashoffset:0;}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--forest-deep);color:#c7d0bd;padding-block-start:var(--space-5);}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;padding-bottom:var(--space-4);border-bottom:1px solid rgba(255,255,255,.1);}
.brand--footer .brand-text{color:#fff;}
.footer-nav{display:flex;gap:1.5rem;}
.footer-nav a:hover{color:var(--orange);}
.footer-social{display:flex;gap:1.5rem;}
.footer-social a:hover{color:var(--orange);}
.footer-bottom{padding-block:var(--space-3);font-size:.82rem;color:#8b9488;}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.back-to-top{
  position:fixed;right:var(--space-3);bottom:var(--space-3);
  width:46px;height:46px;border-radius:50%;
  background:var(--forest);color:#fff;font-size:1.2rem;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  z-index:90;
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{background:var(--orange);color:var(--ink);}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal{
  opacity:0;transform:translateY(24px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
  transition-delay:calc(var(--delay,0) * 120ms);
}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-files{flex-direction:row;align-self:auto;}
  .file-tab{flex:1;}
  .credential-grid{grid-template-columns:1fr 1fr;row-gap:var(--space-4);}
  .credential-divider{display:none;}
  .credential-orgs{grid-column:1 / -1;}
  .service-featured{grid-template-columns:1fr 1fr;}
  .process-grid{grid-template-columns:1fr 1fr;row-gap:var(--space-5);}
  .about-grid{grid-template-columns:1fr;}
  .about-media{max-width:26rem;}
  .contact-grid{grid-template-columns:1fr;}
}

@media (max-width:860px){
  .site-nav{
    position:fixed;inset-block:78px 0;inset-inline-end:0;width:min(80vw,320px);
    background:var(--forest-deep);
    transform:translateX(100%);
    transition:transform .35s var(--ease);
    padding:var(--space-4);
    border-left:1px solid rgba(255,255,255,.1);
  }
  .site-nav.open{transform:translateX(0);}
  .site-nav ul{flex-direction:column;gap:1.5rem;}
  .nav-toggle{display:flex;}
  .header-actions .whatsapp-link span{display:none;}
  .header-actions .whatsapp-link{padding:.6em;border-radius:50%;}
  .icon-wa{width:18px;height:18px;}

  .service-featured{grid-template-columns:1fr;}
  .service-index-list ol{grid-template-columns:1fr;}
  .service-index-list li:nth-child(odd){border-right:none;}
  .gallery-strip{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}

@media (max-width:640px){
  .hero{align-items:flex-end;}
  .hero-grid{padding-block:var(--space-5) var(--space-4);}
  .hero-files{flex-direction:column;}
  .credential-grid{grid-template-columns:1fr 1fr;}
  .process-grid{grid-template-columns:1fr;}
  .process-step{border-left:none;border-top:1px solid rgba(255,255,255,.18);padding-inline-start:0;padding-block-start:var(--space-2);}
  .cta-band-grid{flex-direction:column;align-items:flex-start;}
  .footer-grid{flex-direction:column;align-items:flex-start;gap:var(--space-3);}
}