/* =============================================================
   CRECENDO™ — sitio oficial
   1 Tokens · 2 Reset · 3 Utilidades · 4 Tipografía · 5 Botones
   6 Nav · 7 Hero · 8 Secciones · 9 Formulario · 10 Footer
   11 Reveal · 12 Responsive · 13 Reduced motion
   ============================================================= */

/* 1 · TOKENS ------------------------------------------------- */
:root{
  --navy:#0D2742;
  --navy-2:#0A1F33;
  --navy-3:#11324F;
  --green:#39B77A;
  --green-dk:#2E9A66;
  --white:#FFFFFF;
  --mist:#F4F7F8;
  --grey:#657584;

  --ink:var(--navy);
  --line:rgba(13,39,66,.14);
  --line-soft:rgba(13,39,66,.08);
  --line-light:rgba(255,255,255,.16);

  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --display:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;

  --container:1240px;
  --gutter:clamp(1.25rem,5vw,3rem);
  --section-y:clamp(4.5rem,10vh,8.5rem);

  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-soft:cubic-bezier(.25,.46,.45,.94);
  --radius:6px;
}

/* 2 · RESET ------------------------------------------------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; overflow-x:clip; }
body{
  font-family:var(--sans);
  font-size:16px; line-height:1.65;
  color:var(--ink); background:var(--white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:clip; overscroll-behavior-y:none;
}
img,svg{ display:block; max-width:100%; }
img{ height:auto; }
button{ font:inherit; color:inherit; cursor:pointer; border:0; background:none; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; padding:0; }
p{ text-wrap:pretty; }
h1,h2,h3,h4{ font-family:var(--display); font-weight:700; line-height:1.12; letter-spacing:-.02em; text-wrap:balance; }
sup{ font-size:.55em; }
::selection{ background:var(--green); color:#06301d; }
:focus-visible{ outline:2px solid var(--green); outline-offset:3px; border-radius:3px; }

/* 3 · UTILIDADES ------------------------------------------- */
.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:var(--gutter); }
.skip-link{
  position:fixed; top:-100px; left:1rem; z-index:10000;
  padding:.7rem 1.1rem; background:var(--navy); color:#fff;
  border-radius:var(--radius); font-weight:600;
}
.skip-link:focus{ top:1rem; }

.eyebrow,.section-index{
  font-family:var(--display); font-weight:600; font-size:.78rem;
  letter-spacing:.18em; text-transform:uppercase; color:var(--grey);
}
.section-index{ display:inline-block; margin-bottom:1.3rem; position:relative; padding-left:1.5rem; }
.section-index::before{ content:""; position:absolute; left:0; top:.55em; width:1rem; height:2px; background:var(--green); }
.section-index.light{ color:rgba(255,255,255,.6); }
.section-index.light::before{ background:var(--green); }

.g{ color:var(--green-dk); }
.section-title.light .g,.hero-title .g{ color:var(--green); }

/* 4 · TIPOGRAFÍA ------------------------------------------ */
.hero-title{
  font-family:var(--display); font-weight:800;
  font-size:clamp(1.9rem,5.2vw,4rem); line-height:1.08; letter-spacing:-.03em;
  max-width:16ch; overflow-wrap:break-word;
}
.hero-title .g{ color:var(--green); }
.section-title{
  font-size:clamp(1.6rem,3.2vw,2.6rem); line-height:1.14; max-width:24ch;
}
.section-title.light{ color:#fff; }
.section-head{ max-width:760px; margin-bottom:clamp(2.4rem,5vw,4rem); }
.section-note{ margin-top:1.1rem; color:var(--grey); font-size:1rem; max-width:52ch; }
.section-note.light{ color:rgba(255,255,255,.72); }

.keymsg{
  margin-top:clamp(2rem,4vw,3rem);
  border-left:3px solid var(--green); padding-left:1.4rem;
  font-family:var(--display); font-weight:600;
  font-size:clamp(1.05rem,2vw,1.4rem); line-height:1.4; color:var(--navy); max-width:40ch;
}
.method .keymsg,.path .keymsg,.diagnostic .keymsg{ color:#fff; }

/* 5 · BOTONES -------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-family:var(--display); font-weight:600; font-size:.95rem; letter-spacing:-.01em;
  padding:.85rem 1.5rem; border-radius:var(--radius); border:1px solid transparent;
  transition:transform .4s var(--ease-soft), background-color .3s var(--ease-out),
             color .3s var(--ease-out), border-color .3s var(--ease-out), box-shadow .4s var(--ease-soft);
  will-change:transform;
}
.btn-lg{ padding:1rem 1.7rem; font-size:1rem; }
.btn-xl{ padding:1.15rem 2.1rem; font-size:1.05rem; }
.btn-primary{ background:var(--green); color:#06301d; box-shadow:0 6px 18px rgba(57,183,122,.22); }
.btn-primary:hover{ transform:translateY(-3px); background:#45c587; box-shadow:0 16px 34px rgba(57,183,122,.3); }
.btn-primary:active{ transform:translateY(-1px); transition-duration:.12s; }
.btn-ghost{ background:transparent; color:var(--navy); border-color:var(--line); }
.btn-ghost:hover{ transform:translateY(-3px); border-color:var(--navy); background:var(--navy); color:#fff; }
.method .btn-ghost,.path .btn-ghost,.diagnostic .btn-ghost{ color:#fff; border-color:var(--line-light); }

/* 6 · NAV ----------------------------------------------- */
.nav{
  position:fixed; top:0; inset-inline:0; z-index:100;
  transition:background-color .4s var(--ease-out), box-shadow .4s var(--ease-out), backdrop-filter .4s var(--ease-out);
}
.nav-inner{
  max-width:var(--container); margin-inline:auto;
  padding:1rem var(--gutter); display:flex; align-items:center; gap:2rem;
}
.nav.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line-soft);
}
.nav.is-scrolled .nav-inner{ padding-block:.7rem; }

.brand{ display:inline-flex; align-items:center; gap:.7rem; white-space:nowrap; }
.brand-logo{ height:34px; width:auto; }
.brand-name{ font-family:var(--display); font-weight:800; font-size:1.05rem; letter-spacing:-.02em; color:var(--navy); display:block; line-height:1; }
.brand-tag{ font-family:var(--sans); font-weight:600; font-size:.58rem; letter-spacing:.22em; text-transform:uppercase; color:var(--grey); display:block; margin-top:.25rem; }

.nav-links{ display:flex; gap:1.6rem; margin-left:auto; }
.nav-link{ position:relative; font-size:.9rem; font-weight:500; color:var(--navy); padding:.2rem 0; }
.nav-link::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:1.5px; background:var(--green);
  transform:scaleX(0); transform-origin:right; transition:transform .4s var(--ease-soft);
}
.nav-link:hover::after{ transform:scaleX(1); transform-origin:left; }
.nav-cta{ flex-shrink:0; }

.nav-toggle{ display:none; flex-direction:column; gap:4px; padding:.4rem; margin-left:auto; }
.nav-toggle span{ width:22px; height:2px; background:var(--navy); transition:transform .35s var(--ease-out), opacity .25s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

.nav-mobile{
  position:fixed; inset:0; z-index:95; background:var(--navy);
  display:grid; place-items:center;
  clip-path:inset(0 0 100% 0); transition:clip-path .6s var(--ease-soft);
}
.nav-mobile[aria-hidden="false"]{ clip-path:inset(0); }
.nav-mobile nav{ display:flex; flex-direction:column; gap:1.3rem; text-align:center; }
.nav-mobile-link{ font-family:var(--display); font-size:1.5rem; font-weight:700; color:#fff; }
.nav-mobile-cta{ margin-top:1rem; }

/* 7 · HERO --------------------------------------------- */
.hero{ position:relative; padding-top:clamp(5.5rem,13vh,7.5rem); overflow:hidden; }
.hero-grid{
  max-width:var(--container); margin-inline:auto; padding-left:var(--gutter);
  display:grid; grid-template-columns:1fr; align-items:stretch;
}
.hero-content{ padding:clamp(1.5rem,5vw,3rem) var(--gutter) clamp(2.5rem,6vw,4rem) 0; align-self:center; min-width:0; }
.hero .eyebrow{ display:block; margin-bottom:1.5rem; }
.btn{ overflow-wrap:break-word; }
.hero-sub{ margin-top:1.5rem; font-size:clamp(1.05rem,1.6vw,1.25rem); color:var(--grey); max-width:46ch; line-height:1.6; }
.hero-line{
  margin-top:1.4rem; font-family:var(--display); font-weight:600;
  font-size:clamp(1rem,1.6vw,1.2rem); color:var(--navy); max-width:34ch; line-height:1.45;
  border-left:3px solid var(--green); padding-left:1.1rem;
}
.hero-actions{ margin-top:2.4rem; display:flex; flex-wrap:wrap; gap:1rem; }

.hero-media{ position:relative; min-height:340px; display:none; }
.hero-media-seam{ position:absolute; left:0; top:0; bottom:0; width:8px; background:var(--green); z-index:2; }
.hero-media-img{ position:absolute; inset:0 0 0 8px; width:calc(100% - 8px); height:100%; object-fit:cover; }
.hero-media-tint{ position:absolute; inset:0 0 0 8px;
  background:linear-gradient(180deg,rgba(13,39,66,.35),rgba(13,39,66,.25) 45%,rgba(13,39,66,.7)); }
.hero-media-vert{
  position:absolute; right:14px; bottom:26px; z-index:3;
  writing-mode:vertical-rl; transform:rotate(180deg);
  font-family:var(--sans); font-weight:600; font-size:.68rem; letter-spacing:.3em;
  text-transform:uppercase; color:rgba(255,255,255,.82);
}

/* 8 · SECCIONES -------------------------------------- */
.section{ padding-block:var(--section-y); position:relative; }
.section + .section{ border-top:1px solid var(--line-soft); }
.problema,.work,.solutions,.why,.about{ background:var(--white); }
.work{ background:var(--mist); }
.why{ background:var(--mist); }
.method{ background:var(--navy); color:rgba(255,255,255,.72); }
.path{ background:var(--navy-2); color:rgba(255,255,255,.72); }
.diagnostic{ background:var(--navy); color:rgba(255,255,255,.72); }

/* bordered matrix (problema, cómo trabajamos) */
.matrix{ display:grid; border:1px solid var(--line); }
.matrix.cols2{ grid-template-columns:1fr; }
.matrix.cols3{ grid-template-columns:1fr; }
.cell{ padding:clamp(1.5rem,3vw,2.3rem); border-bottom:1px solid var(--line); }
.matrix .cell:last-child{ border-bottom:0; }
.cell-n{ font-family:var(--display); font-weight:800; font-size:.85rem; color:var(--green-dk); letter-spacing:.05em; }
.cell-title{ font-size:clamp(1.1rem,1.9vw,1.35rem); margin:.7rem 0 .6rem; color:var(--navy); }
.cell p{ color:var(--grey); font-size:.95rem; }

/* flow band */
.flowband{ margin-top:clamp(2rem,4vw,3rem); background:var(--navy); color:#fff; border-radius:var(--radius); padding:clamp(1.6rem,3vw,2.4rem); }
.flowband-label{ font-family:var(--sans); font-weight:600; font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:rgba(255,255,255,.55); margin-bottom:1.2rem; }
.flowrow{ display:flex; flex-wrap:wrap; align-items:center; gap:.6rem .7rem; }
.flowrow span{ font-family:var(--display); font-weight:700; font-size:.82rem; letter-spacing:.04em; text-transform:uppercase; }
.flowrow i{ color:var(--green); font-style:normal; }
.flowrow .is-goal{ color:var(--green); }

/* methodology phases */
.phases{ display:grid; gap:1px; background:var(--line-light); border:1px solid var(--line-light); border-radius:var(--radius); overflow:hidden; }
.phase{ background:var(--navy); padding:clamp(1.5rem,3vw,2.2rem); position:relative; }
.phase-num{ font-family:var(--display); font-weight:800; font-size:.85rem; color:var(--green); letter-spacing:.05em; }
.phase-name{ font-size:clamp(1.1rem,1.9vw,1.4rem); margin:.5rem 0 .6rem; color:#fff; }
.phase-desc{ color:rgba(255,255,255,.68); font-size:.92rem; }

/* solutions */
.sol-grid{ display:grid; grid-template-columns:1fr; gap:1.2rem; }
.sol-card{
  background:var(--navy); color:#fff; border-radius:8px;
  padding:clamp(1.6rem,3vw,2.2rem); display:flex; flex-direction:column;
  transition:transform .4s var(--ease-soft), box-shadow .4s var(--ease-soft);
}
.sol-card:hover{ transform:translateY(-4px); box-shadow:0 26px 50px -18px rgba(13,39,66,.4); }
.sol-card--accent{ background:var(--green); color:var(--navy); }
.sol-top{ display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:1.2rem; }
.sol-n{ font-family:var(--display); font-weight:800; font-size:1.15rem; color:var(--green); }
.sol-card--accent .sol-n{ color:var(--navy); }
.sol-icon{ width:2.6rem; height:2.6rem; color:var(--green); }
.sol-card--accent .sol-icon{ color:var(--navy); }
.sol-icon svg{ width:100%; height:100%; }
.sol-name{ font-size:clamp(1.15rem,2vw,1.5rem); color:#fff; margin-bottom:.5rem; }
.sol-card--accent .sol-name{ color:var(--navy); }
.sol-one{ font-family:var(--display); font-weight:600; font-size:.98rem; color:var(--green); margin-bottom:.7rem; }
.sol-card--accent .sol-one{ color:var(--navy); opacity:.82; }
.sol-desc{ color:rgba(255,255,255,.72); font-size:.9rem; line-height:1.55; margin-bottom:1.3rem; flex:1; }
.sol-card--accent .sol-desc{ color:rgba(13,39,66,.8); }
.sol-link{ font-family:var(--display); font-weight:600; font-size:.88rem; color:var(--green); align-self:flex-start; transition:gap .3s var(--ease-out); display:inline-flex; gap:.3rem; }
.sol-card--accent .sol-link{ color:var(--navy); }
.sol-link:hover{ gap:.6rem; }

/* roadmap (el camino) */
.path-cols{ display:grid; grid-template-columns:1fr; gap:clamp(2rem,5vw,3.5rem); align-items:stretch; }
.path-media{ position:relative; border-radius:8px; overflow:hidden; min-height:220px; margin:0; }
.path-media img{ width:100%; height:100%; min-height:220px; object-fit:cover; object-position:center 35%; }
.path-media-tint{ position:absolute; inset:0; background:linear-gradient(180deg,rgba(13,39,66,.12),rgba(13,39,66,.35) 55%,rgba(13,39,66,.82)); }
.path-media figcaption{
  position:absolute; left:1.6rem; right:1.6rem; bottom:1.4rem;
  font-family:var(--display); font-weight:600; font-size:clamp(1rem,1.6vw,1.25rem); color:#fff; line-height:1.35;
}
.roadmap{ position:relative; padding-left:2.6rem; max-width:640px; }
.roadmap::before{ content:""; position:absolute; left:11px; top:.6rem; bottom:.6rem; width:2px; background:var(--line-light); }
.stage{ position:relative; padding:1.1rem 0; display:flex; gap:1.3rem; }
.stage-n{
  position:absolute; left:-2.6rem; top:1.25rem;
  width:24px; height:24px; border-radius:50%;
  background:var(--navy-2); border:2px solid var(--line-light);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--display); font-weight:800; font-size:.6rem; color:rgba(255,255,255,.6);
  transition:border-color .5s var(--ease-out), color .5s var(--ease-out);
}
.stage.is-revealed .stage-n{ border-color:var(--green); color:var(--green); }
.stage h3{ font-size:clamp(1.05rem,1.8vw,1.3rem); color:#fff; }
.stage p{ color:rgba(255,255,255,.66); font-size:.92rem; margin-top:.2rem; }
.stage--goal h3{ color:var(--green); }

/* why */
.why-grid{ display:grid; grid-template-columns:1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.why-item{ background:var(--mist); padding:clamp(1.5rem,3vw,2.3rem); }
.why-item h3{ font-size:clamp(1.05rem,1.8vw,1.3rem); color:var(--navy); margin-bottom:.6rem; }
.why-item p{ color:var(--grey); font-size:.95rem; }

/* diagnostic */
.diagnostic-inner{ display:grid; gap:clamp(2rem,5vw,3.5rem); }
.diagnostic-lead{
  margin-top:1.1rem; font-family:var(--display); font-weight:600;
  font-size:clamp(1.1rem,2vw,1.5rem); color:#fff; max-width:28ch; line-height:1.35;
}
.diagnostic-body{ border:1px solid var(--line-light); border-radius:var(--radius); padding:clamp(1.6rem,3.5vw,2.6rem); }
.diagnostic-detail-title{ font-family:var(--sans); font-weight:600; font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:rgba(255,255,255,.55); margin-bottom:1.2rem; }
.diagnostic-list{ display:grid; grid-template-columns:1fr; gap:.7rem; margin-bottom:1.6rem; }
.diagnostic-list li{ position:relative; padding-left:1.4rem; color:#fff; font-size:.95rem; }
.diagnostic-list li::before{ content:""; position:absolute; left:0; top:.55em; width:7px; height:7px; background:var(--green); border-radius:50%; }
.diagnostic-formula{ display:flex; flex-wrap:wrap; align-items:center; gap:.6rem; padding-top:1.4rem; border-top:1px solid var(--line-light); font-family:var(--display); font-weight:600; color:rgba(255,255,255,.7); }
.diagnostic-formula i{ color:var(--green); font-style:normal; }
.diagnostic-formula b{ color:var(--green); font-weight:800; }
.diagnostic-cta{ text-align:center; }

/* about */
.about-grid{ display:grid; gap:clamp(2rem,5vw,3.5rem); }
.about-lead{ font-family:var(--display); font-weight:600; font-size:clamp(1.1rem,2vw,1.5rem); color:var(--navy); line-height:1.3; margin-bottom:1.4rem; max-width:36ch; }
.about-body p{ color:var(--grey); max-width:60ch; margin-bottom:1rem; }
.about-placeholder{ font-size:.9rem; border-left:2px solid var(--green); padding-left:1rem; margin-top:1.4rem; }

/* contact */
.contact{ background:var(--mist); }
.contact-grid{ display:grid; gap:clamp(2.5rem,6vw,4.5rem); }
.contact-meta{ margin-top:1.8rem; display:grid; gap:.8rem; }
.contact-meta li{ font-size:.95rem; color:var(--navy); display:flex; gap:.7rem; align-items:baseline; flex-wrap:wrap; }
.contact-meta span{ font-family:var(--display); font-weight:700; font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; color:var(--grey); min-width:5.5rem; }
.contact-meta em{ color:var(--grey); font-style:italic; font-size:.8rem; }

/* 9 · FORMULARIO ------------------------------------- */
.contact-form-wrap{ position:relative; }
.form{ display:grid; grid-template-columns:1fr; gap:1rem; }
.field{ position:relative; }
.field--full{ grid-column:1/-1; }
.field input,.field select,.field textarea{
  width:100%; padding:1.5rem 1rem .55rem; border:1px solid var(--line);
  border-radius:var(--radius); background:#fff; color:var(--navy);
  font-family:var(--sans); font-size:.98rem;
  transition:border-color .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.field textarea{ resize:vertical; min-height:7rem; }
.field select{ appearance:none; cursor:pointer; }
.field--select::after{
  content:""; position:absolute; right:1.1rem; top:58%; width:8px; height:8px;
  border-right:2px solid var(--grey); border-bottom:2px solid var(--grey);
  transform:translateY(-50%) rotate(45deg); pointer-events:none;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--green); box-shadow:0 0 0 3px rgba(57,183,122,.16);
}
.field label{
  position:absolute; left:1rem; top:.95rem; font-size:.98rem; color:var(--grey);
  pointer-events:none; transition:all .22s var(--ease-out);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label,
.field--select label{
  top:.5rem; font-size:.64rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--green-dk); font-family:var(--display); font-weight:600;
}
.form-submit{ grid-column:1/-1; margin-top:.4rem; position:relative; overflow:hidden; }
.form-submit-spinner{ position:absolute; inset:0; display:grid; place-items:center; opacity:0; }
.form-submit-spinner::after{
  content:""; width:18px; height:18px; border:2px solid rgba(6,48,29,.3);
  border-top-color:#06301d; border-radius:50%; animation:spin .9s linear infinite;
}
.form.is-sending .form-submit-label{ opacity:0; }
.form.is-sending .form-submit-spinner{ opacity:1; }
.form.is-sent{ opacity:0; transform:translateY(-10px); pointer-events:none; transition:opacity .5s var(--ease-out), transform .5s var(--ease-soft); }
.form-success{
  position:absolute; inset:0; display:grid; align-content:center; gap:.5rem;
  padding:2rem; background:#fff; border:1px solid var(--green); border-radius:var(--radius);
  opacity:0; transform:translateY(12px); pointer-events:none;
  transition:opacity .6s var(--ease-out) .15s, transform .6s var(--ease-soft) .15s;
}
.form-success.is-visible{ opacity:1; transform:none; pointer-events:auto; }
.form-success h3{ font-size:1.5rem; color:var(--navy); }
.form-success p{ color:var(--grey); }

@keyframes spin{ to{ transform:rotate(360deg); } }

/* 10 · FOOTER --------------------------------------- */
.footer{ background:var(--navy-2); color:rgba(255,255,255,.6); padding-block:clamp(3rem,7vw,4.5rem); }
.footer-inner{ display:grid; gap:2.4rem; }
.footer-brand .brand-name{ color:#fff; }
.footer-brand .brand-tag{ color:rgba(255,255,255,.5); }
.footer-tagline{ margin-top:1rem; font-family:var(--display); font-weight:700; font-size:.95rem; letter-spacing:.02em; color:var(--green); }
.footer-nav{ display:flex; flex-wrap:wrap; gap:1rem 1.6rem; }
.footer-nav a{ font-size:.9rem; transition:color .3s var(--ease-out); }
.footer-nav a:hover{ color:var(--green); }
.footer-legal{ display:grid; gap:.4rem; font-size:.82rem; }

/* 11 · REVEAL --------------------------------------- */
html.js [data-reveal]{
  opacity:0; transform:translateY(22px);
  transition:opacity .7s var(--ease-out), transform .7s var(--ease-soft);
}
html.js [data-reveal].is-revealed{ opacity:1; transform:none; }

/* 12 · RESPONSIVE ---------------------------------- */
@media (min-width:640px){
  .matrix.cols2{ grid-template-columns:1fr 1fr; }
  .matrix.cols2 .cell{ border-right:1px solid var(--line); }
  .matrix.cols2 .cell:nth-child(2n){ border-right:0; }
  .matrix.cols2 .cell:nth-last-child(-n+2):nth-child(2n+1){ border-bottom:0; }
  .matrix.cols2 .cell:last-child{ border-bottom:0; }
  .sol-grid{ grid-template-columns:1fr 1fr; }
  .why-grid{ grid-template-columns:1fr 1fr; }
  .why-item:nth-child(5){ grid-column:1 / -1; }
  .diagnostic-list{ grid-template-columns:1fr 1fr; }
  .form{ grid-template-columns:1fr 1fr; }
  .footer-inner{ grid-template-columns:1.4fr 1fr 1.2fr; align-items:start; gap:3rem; }
}
@media (min-width:960px){
  .nav-links,.nav-cta{ display:flex; }
  .hero-grid{ grid-template-columns:1.05fr .95fr; padding-right:0; min-height:clamp(540px,74vh,760px); }
  .hero-media{ display:block; }
  .matrix.cols3{ grid-template-columns:repeat(3,1fr); }
  .matrix.cols3 .cell{ border-right:1px solid var(--line); }
  .matrix.cols3 .cell:nth-child(3n){ border-right:0; }
  .matrix.cols3 .cell:nth-last-child(-n+3){ border-bottom:0; }
  .phases{ grid-template-columns:repeat(5,1fr); }
  .phase:not(:last-child)::after{
    content:""; position:absolute; right:-1px; top:50%; width:9px; height:9px;
    border-top:2px solid var(--green); border-right:2px solid var(--green);
    transform:translateY(-50%) rotate(45deg); background:var(--navy); z-index:2;
  }
  .path-cols{ grid-template-columns:1.15fr .85fr; }
  .diagnostic-inner{ grid-template-columns:1fr 1fr; align-items:start; }
  .diagnostic-cta{ grid-column:1/-1; }
  .about-grid{ grid-template-columns:.9fr 1.1fr; align-items:start; }
  .contact-grid{ grid-template-columns:.85fr 1.15fr; align-items:start; }
  .why-grid{ grid-template-columns:repeat(6,1fr); }
  .why-item{ grid-column:span 2; }
  .why-item:nth-child(4),.why-item:nth-child(5){ grid-column:span 3; }
}
@media (max-width:959px){
  .nav-links,.nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
}
@media (max-width:560px){
  .eyebrow,.section-index{ letter-spacing:.12em; font-size:.7rem; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-actions .btn{ width:100%; }
  .btn-lg,.btn-xl{ padding-inline:1.2rem; font-size:.95rem; }
  .flowrow{ gap:.4rem .5rem; }
  .flowrow span{ font-size:.74rem; }
  .roadmap{ padding-left:2.2rem; }
  .diagnostic-formula{ font-size:.9rem; }
}

/* 13 · REDUCED MOTION ------------------------------ */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
}