/*
  Landing: consultoria.carrer.mx
  Proyecto: Carrer® — Consultoría de comunicación
  Sin formularios. Assets WebP. Sin dependencias externas.
*/
:root {
  --ink: #171613;
  --ink-soft: #3d3932;
  --paper: #f8f3ea;
  --paper-2: #efe5d5;
  --muted: #786d5d;
  --line: rgba(23, 22, 19, .13);
  --dark: #10100e;
  --dark-2: #20201c;
  --gold: #d9aa69;
  --gold-2: #a9783d;
  --white: #ffffff;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow: 0 28px 80px rgba(16,16,14,.18);
  --shadow-soft: 0 18px 40px rgba(16,16,14,.10);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(217,170,105,.78); outline-offset: 4px; border-radius: 10px; }
.skip-link {
  position: absolute; left: -999px; top: 12px; z-index: 9999;
  background: var(--gold); color: var(--dark); padding: 10px 14px; border-radius: 12px;
}
.skip-link:focus { left: 12px; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.eyebrow {
  display: inline-flex; gap: 8px; align-items: center;
  color: var(--gold-2); font-size: .82rem; letter-spacing: .14em;
  text-transform: uppercase; font-weight: 800;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; display: inline-block; }
.section { padding: 96px 0; }
.section--tight { padding: 72px 0; }
.section-title { max-width: 780px; margin: 16px 0 42px; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.03; letter-spacing: -.055em; }
.section-lead { max-width: 760px; color: var(--ink-soft); font-size: clamp(1.06rem, 1.5vw, 1.25rem); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(16,16,14,.92); color: var(--paper);
  backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand img { width: 178px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: .94rem; color: rgba(248,243,234,.82); }
.nav-links a:hover { color: var(--white); }
.nav-cta { color: var(--dark)!important; background: var(--gold); padding: 11px 16px; border-radius: 999px; font-weight: 800; box-shadow: 0 12px 28px rgba(217,170,105,.18); }
.nav-toggle { display: none; background: transparent; border: 0; color: var(--paper); width: 44px; height: 44px; padding: 0; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: currentColor; margin: 5px auto; transition: transform .2s ease, opacity .2s ease; }

/* Hero */
.hero { background: var(--dark); color: var(--paper); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 14% 10%, rgba(217,170,105,.18), transparent 30%), radial-gradient(circle at 82% 0%, rgba(255,255,255,.08), transparent 24%); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: 58px; align-items: center; min-height: 720px; padding: 64px 0 84px; }
.hero h1 { margin: 22px 0 22px; font-size: clamp(2.65rem, 6vw, 6.35rem); line-height: .93; letter-spacing: -.075em; max-width: 820px; }
.hero p { color: rgba(248,243,234,.78); font-size: clamp(1.08rem, 1.7vw, 1.28rem); max-width: 650px; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 14px 20px; border-radius: 999px; border: 1px solid transparent; font-weight: 850; letter-spacing: -.01em; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; cursor: pointer; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--gold); color: var(--dark); box-shadow: 0 18px 44px rgba(217,170,105,.2); }
.btn-secondary { color: var(--paper); border-color: rgba(248,243,234,.24); background: rgba(255,255,255,.03); }
.btn-dark { background: var(--dark); color: var(--paper); }
.btn-light { background: var(--paper); color: var(--dark); }
.hero-proof { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 34px; color: rgba(248,243,234,.72); font-size: .95rem; }
.hero-proof strong { display: block; color: var(--paper); font-size: 1.25rem; line-height: 1.1; }
.hero-media { position: relative; }
.hero-media img { border-radius: var(--radius-xl); box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.12); aspect-ratio: 1.14 / 1; object-fit: cover; }
.hero-card { position: absolute; left: -30px; bottom: 42px; width: min(330px, 70%); padding: 20px; border-radius: 22px; background: rgba(248,243,234,.94); color: var(--dark); box-shadow: var(--shadow-soft); }
.hero-card b { display:block; margin-bottom: 6px; }
.hero-card span { color: var(--muted); font-size: .95rem; }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card { background: rgba(255,255,255,.54); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: 0 8px 24px rgba(16,16,14,.04); }
.card h3 { margin: 0 0 10px; font-size: 1.25rem; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--ink-soft); }
.icon { width: 46px; height: 46px; border-radius: 16px; background: var(--dark); color: var(--gold); display: grid; place-items: center; margin-bottom: 18px; font-weight: 900; }

/* Services */
.services { background: linear-gradient(180deg, var(--paper) 0%, #fffaf2 100%); }
.service-list { display: grid; gap: 16px; }
.service-item { display: grid; grid-template-columns: 86px 1fr; gap: 24px; align-items: start; padding: 26px; border-radius: var(--radius-lg); background: rgba(255,255,255,.64); border: 1px solid var(--line); }
.service-number { font-size: 1.35rem; color: var(--gold-2); font-weight: 900; }
.service-item h3 { margin: 0 0 8px; font-size: 1.38rem; }
.service-item p { margin: 0; color: var(--ink-soft); }

/* Split */
.split { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
.split-media img { border-radius: var(--radius-xl); box-shadow: var(--shadow-soft); border: 1px solid rgba(16,16,14,.08); }
.check-list { display: grid; gap: 14px; margin-top: 28px; }
.check { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-soft); }
.check::before { content: "✓"; flex: 0 0 26px; width: 26px; height: 26px; border-radius: 999px; display: grid; place-items: center; background: var(--dark); color: var(--gold); font-weight: 900; font-size: .92rem; }

/* Diagnostic */
.diagnostic { background: var(--dark); color: var(--paper); }
.diagnostic .section-lead { color: rgba(248,243,234,.73); }
.diagnostic-box { display: grid; grid-template-columns: .88fr 1.12fr; gap: 24px; margin-top: 38px; }
.diagnostic-options { display: grid; gap: 12px; }
.option-btn { text-align: left; border: 1px solid rgba(248,243,234,.16); background: rgba(255,255,255,.035); color: var(--paper); border-radius: 18px; padding: 18px 20px; cursor: pointer; font: inherit; transition: background .2s ease, border-color .2s ease, transform .2s ease; }
.option-btn:hover, .option-btn.is-active { background: rgba(217,170,105,.13); border-color: rgba(217,170,105,.55); transform: translateY(-1px); }
.option-btn strong { display: block; margin-bottom: 4px; }
.option-btn span { color: rgba(248,243,234,.67); }
.result-panel { min-height: 280px; border-radius: var(--radius-lg); border: 1px solid rgba(248,243,234,.14); background: rgba(248,243,234,.94); color: var(--dark); padding: 32px; display: flex; flex-direction: column; justify-content: space-between; }
.result-panel h3 { font-size: 1.55rem; margin: 0 0 12px; letter-spacing: -.03em; }
.result-panel p { color: var(--ink-soft); margin: 0 0 18px; }
.result-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.result-tags span { display: inline-flex; padding: 8px 10px; border-radius: 999px; background: rgba(16,16,14,.08); color: var(--ink-soft); font-size: .86rem; }

/* Cases */
.case-table { display: grid; gap: 14px; }
.case-row { display: grid; grid-template-columns: .9fr 1.1fr 1fr; gap: 18px; padding: 22px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: rgba(255,255,255,.55); }
.case-row strong { display: block; margin-bottom: 4px; color: var(--ink); }
.case-row span { color: var(--ink-soft); }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); background: rgba(255,255,255,.58); border-radius: 18px; overflow: hidden; }
.faq-question { width: 100%; display: flex; justify-content: space-between; gap: 20px; align-items: center; border: 0; background: transparent; padding: 22px 24px; color: var(--ink); font: inherit; font-weight: 850; text-align: left; cursor: pointer; }
.faq-question::after { content: "+"; font-size: 1.4rem; color: var(--gold-2); }
.faq-item.is-open .faq-question::after { content: "–"; }
.faq-answer { display: none; padding: 0 24px 22px; color: var(--ink-soft); }
.faq-item.is-open .faq-answer { display: block; }

/* CTA final */
.final-cta { background: linear-gradient(135deg, var(--dark) 0%, #2e2a22 100%); color: var(--paper); padding: 78px 0; }
.final-box { display: flex; justify-content: space-between; align-items: center; gap: 36px; }
.final-box h2 { margin: 0 0 10px; font-size: clamp(2rem, 4vw, 3.8rem); line-height: 1; letter-spacing: -.055em; }
.final-box p { margin: 0; color: rgba(248,243,234,.73); max-width: 650px; }

/* Footer */
.footer { background: #090908; color: rgba(248,243,234,.72); padding: 54px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr repeat(3, .75fr); gap: 34px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer img { width: 190px; margin-bottom: 20px; }
.footer h3 { color: var(--paper); font-size: .95rem; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 14px; }
.footer p, .footer a { color: rgba(248,243,234,.72); }
.footer a:hover { color: var(--paper); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; font-size: .9rem; }
.legal-note { color: rgba(248,243,234,.55); font-size: .84rem; max-width: 780px; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-block; }
  .nav-links { position: fixed; inset: 76px 0 auto 0; background: rgba(16,16,14,.98); display: none; flex-direction: column; align-items: flex-start; padding: 24px 20px 32px; border-bottom: 1px solid rgba(255,255,255,.1); }
  body.nav-open .nav-links { display: flex; }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-grid, .split, .diagnostic-box { grid-template-columns: 1fr; }
  .hero-grid { min-height: unset; padding-top: 52px; }
  .hero-media { order: -1; }
  .hero-card { left: 18px; bottom: 18px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .case-row { grid-template-columns: 1fr; }
  .final-box { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 70px 0; }
  .site-header .brand img { width: 148px; }
  .hero h1 { font-size: clamp(2.65rem, 16vw, 4.6rem); }
  .hero-actions .btn { width: 100%; }
  .hero-proof { display: grid; grid-template-columns: 1fr; gap: 14px; }
  .service-item { grid-template-columns: 1fr; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .hero-card { position: static; width: 100%; margin-top: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms!important; animation-iteration-count: 1!important; scroll-behavior: auto!important; transition-duration: .001ms!important; }
}