:root {
  --navy: #073878;
  --navy-deep: #071F53;
  --blue: #087AB9;
  --cyan: #00A9D6;
  --turquoise: #00BFC1;
  --teal: #05A6AD;
  --off-white: #F7FAFC;
  --white: #FFFFFF;
  --text: #40536A;
  --muted: #71849B;
  --line: #DDEAF1;
  --shadow: 0 18px 48px rgba(7,56,120,.09);
  --shadow-hover: 0 24px 58px rgba(7,56,120,.15);
  --radius: 14px;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--text); background: var(--white); font-family: var(--font-body); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.container { width: min(1160px, calc(100% - 44px)); margin-inline: auto; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 1000; padding: 10px 14px; border-radius: 8px; background: white; color: var(--navy); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(7,56,120,.08); backdrop-filter: blur(16px); }
.nav { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { display: block; width: 178px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 30px; color: var(--navy); font-size: 13px; font-weight: 700; }
.nav-links > a:not(.button) { transition: color .2s ease; }
.nav-links > a:not(.button):hover { color: var(--cyan); }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--navy); font-size: 23px; padding: 8px; cursor: pointer; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 22px; border: 1px solid transparent; border-radius: 50px; font-size: 13px; line-height: 1.3; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-nav { min-height: 43px; padding: 11px 18px; color: #fff; background: linear-gradient(110deg, var(--cyan), var(--turquoise)); box-shadow: 0 8px 20px rgba(0,169,214,.2); }
.button-nav:hover { box-shadow: 0 12px 26px rgba(0,169,214,.3); }
.hero { position: relative; overflow: hidden; color: var(--white); background: linear-gradient(120deg, #061D4D 0%, #073878 56%, #086C9E 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .11; background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(90deg, black, transparent 95%); }
.hero-glow { position: absolute; border-radius: 50%; pointer-events: none; }
.hero-glow-a { width: 430px; height: 430px; top: 5%; right: 5%; border: 1px solid rgba(0,191,193,.2); box-shadow: inset 0 0 80px rgba(0,169,214,.08), 0 0 100px rgba(0,169,214,.07); }
.hero-glow-b { width: 10px; height: 10px; right: 14%; top: 20%; background: var(--turquoise); box-shadow: 0 0 22px var(--turquoise), 0 0 60px rgba(0,191,193,.7); }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); align-items: center; gap: clamp(28px, 5vw, 68px); padding-block: 76px 72px; }
.hero-copy-block { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 18px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: 2px; line-height: 1.5; }
.eyebrow-light { color: #46E2DD; }
.eyebrow span { display: inline-block; width: 23px; height: 2px; margin: 0 9px 3px 0; background: currentColor; }
h1, h2, h3 { margin-top: 0; color: var(--navy); font-family: var(--font-heading); line-height: 1.2; letter-spacing: -.8px; }
.hero h1 { margin-bottom: 24px; color: var(--white); font-size: clamp(36px, 4.4vw, 58px); font-weight: 800; letter-spacing: -2px; }
.hero h1 span { color: #28D4D1; }
.hero-copy { max-width: 610px; margin: 0; color: #DCE9F5; font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; margin-top: 32px; }
.button-gradient { color: #062D5C; background: linear-gradient(105deg, #29D3CF, #00A9D6); box-shadow: 0 12px 28px rgba(0,191,193,.18); }
.button-gradient:hover { box-shadow: 0 15px 35px rgba(0,191,193,.3); }
.text-link { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; transition: color .2s ease; }
.text-link-light { color: #DCE9F5; }
.text-link-light:hover { color: #46E2DD; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 42px; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.16); color: #D0E0EF; font-size: 11px; }
.hero-proof span { display: inline-flex; align-items: center; gap: 8px; }
.hero-proof i { color: #42DAD7; }
.hero-system-card { display: block; max-width: 500px; justify-self: end; padding: 13px; border: 1px solid rgba(255,255,255,.23); border-radius: 22px; background: rgba(255,255,255,.97); box-shadow: 0 25px 75px rgba(0,0,0,.2); transition: transform .3s ease, box-shadow .3s ease; }
.hero-system-card:hover { transform: translateY(-5px); box-shadow: 0 32px 85px rgba(0,0,0,.25); }
.hero-system-card img { display: block; width: 100%; height: auto; border-radius: 13px; }
.system-card-caption { display: flex; align-items: center; justify-content: center; gap: 9px; padding: 11px 4px 3px; color: var(--navy); font-size: 11px; font-weight: 700; text-align: center; }
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--turquoise); box-shadow: 0 0 0 4px rgba(0,191,193,.13); }
.hero-bottom-line { position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, transparent, var(--cyan), var(--turquoise), transparent); }
.section-pad { padding-block: 100px; }
.section-heading { max-width: 740px; margin-bottom: 46px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2, .contact h2 { margin-bottom: 20px; font-size: clamp(30px, 3.8vw, 43px); font-weight: 800; letter-spacing: -1.3px; }
.section-heading h2 span { color: var(--cyan); }
.section-heading > p:last-child { max-width: 690px; margin: 0; color: var(--text); font-size: 14px; }
.section-heading.centered > p:last-child { margin-inline: auto; }
.challenge { background: var(--off-white); }
.challenge-grid, .solutions-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.challenge-card { padding: 29px 27px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.challenge-card:hover { transform: translateY(-5px); border-color: rgba(0,169,214,.4); box-shadow: var(--shadow); }
.icon-box { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; background: rgba(0,169,214,.09); color: var(--blue); font-size: 20px; }
.challenge-card h3, .solution-card h3 { margin: 21px 0 11px; font-size: 17px; letter-spacing: -.4px; }
.challenge-card p, .solution-card p { margin: 0; color: var(--text); font-size: 13px; line-height: 1.85; }
.solutions { background: #fff; }
.solutions .section-heading { margin-bottom: 40px; }
.solution-card { padding: 29px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: white; box-shadow: 0 5px 22px rgba(7,56,120,.035); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.solution-card:hover { transform: translateY(-6px); border-color: rgba(0,169,214,.45); box-shadow: var(--shadow-hover); }
.solution-card-featured { border-color: rgba(0,169,214,.32); background: linear-gradient(155deg, #fff 55%, #F0FBFC 100%); }
.solution-top { display: flex; align-items: center; justify-content: space-between; }
.card-index { color: #9DB6CA; font: 700 13px var(--font-heading); }
.solution-card h3 { margin-top: 24px; }
.solution-card ul { display: grid; gap: 9px; padding: 0; margin: 22px 0 0; list-style: none; }
.solution-card li { display: flex; align-items: flex-start; gap: 9px; color: #344B65; font-size: 12px; }
.solution-card li::before { content: "✓"; color: var(--teal); font-weight: 800; }
.solutions-note { display: flex; align-items: flex-start; gap: 13px; max-width: 790px; margin: 32px auto 0; padding: 18px 22px; border-radius: 10px; background: #EFFBFC; color: var(--navy); }
.solutions-note i { margin-top: 5px; color: var(--teal); }
.solutions-note p { margin: 0; font-size: 13px; }
.methodology { background: var(--off-white); }
.methodology .section-heading { margin-bottom: 40px; }
.process-visual { max-width: 740px; margin: 0 auto 45px; padding: clamp(12px, 3vw, 28px); border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: var(--shadow); }
.process-visual img { display: block; width: min(100%, 600px); height: auto; margin: auto; }
.process-visual figcaption { max-width: 510px; margin: 17px auto 0; color: var(--muted); font-size: 12px; text-align: center; }
.process-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; padding: 0; margin: 0; list-style: none; }
.process-list li { display: flex; align-items: flex-start; gap: 12px; }
.process-list li > span { flex: 0 0 35px; width: 35px; height: 35px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--navy); box-shadow: 0 5px 14px rgba(7,56,120,.16); font: 800 11px var(--font-heading); }
.process-list h3 { margin: 3px 0 8px; font-size: 13px; line-height: 1.45; letter-spacing: -.2px; }
.process-list p { margin: 0; color: var(--text); font-size: 11px; line-height: 1.7; }
.contact { position: relative; overflow: hidden; color: white; background: linear-gradient(120deg, #061D4D, #073878 65%, #075D91); text-align: center; }
.contact-pattern { position: absolute; inset: 0; opacity: .15; background-image: radial-gradient(circle at 1px 1px, #45D9D5 1px, transparent 0); background-size: 28px 28px; mask-image: radial-gradient(ellipse at center, black, transparent 75%); }
.contact-inner { position: relative; z-index: 1; }
.contact-logo { display: block; width: 190px; max-width: 55%; height: auto; margin: 0 auto 30px; border-radius: 8px; }
.contact h2 { margin-bottom: 18px; color: white; }
.contact-copy { max-width: 610px; margin: 0 auto; color: #D6E6F4; font-size: 14px; }
.contact-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button-whatsapp { color: #053D29; background: #25D366; box-shadow: 0 9px 25px rgba(37,211,102,.15); }
.button-whatsapp:hover { background: #45E47C; box-shadow: 0 12px 30px rgba(37,211,102,.25); }
.button-email { color: white; border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.04); }
.button-email:hover { border-color: #42DAD7; background: rgba(255,255,255,.09); }
.site-footer { color: #D0E0EF; background: #051735; }
.footer-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-brand { color: white; font: 800 14px var(--font-heading); }
.footer-brand span { display: block; margin-top: 4px; color: #8DAAC5; font: 600 8px var(--font-body); letter-spacing: 1.2px; }
.footer-inner p { margin: 0; color: #A9BED2; font-size: 11px; }
.back-top { display: inline-flex; align-items: center; gap: 8px; color: #D0E0EF; font-size: 11px; font-weight: 600; }
.back-top:hover { color: #42DAD7; }
@media (max-width: 1000px) {
  .nav-links { gap: 18px; }
  .hero-layout { grid-template-columns: minmax(0, 1fr) minmax(270px, .78fr); gap: 28px; }
  .hero-system-card { max-width: 420px; }
  .hero-proof { gap: 12px; }
  .process-list { gap: 12px; }
}
@media (max-width: 760px) {
  .container { width: min(100% - 36px, 560px); }
  .nav { min-height: 70px; flex-wrap: wrap; gap: 0; }
  .brand img { width: 150px; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .nav-links { display: none; width: 100%; align-items: stretch; gap: 0; padding: 6px 0 18px; }
  .nav-links.is-open { display: flex; flex-direction: column; }
  .nav-links > a:not(.button) { padding: 12px 2px; border-bottom: 1px solid var(--line); }
  .nav-links .button-nav { margin-top: 14px; }
  .hero-layout { grid-template-columns: 1fr; padding-block: 65px 50px; }
  .hero h1 { font-size: clamp(35px, 9vw, 49px); letter-spacing: -1.5px; }
  .hero-copy { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-proof { display: grid; gap: 10px; margin-top: 35px; }
  .hero-system-card { width: min(100%, 430px); justify-self: center; margin-top: 8px; }
  .hero-glow-a { width: 270px; height: 270px; top: auto; right: -160px; bottom: 30%; }
  .section-pad { padding-block: 72px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .contact h2 { font-size: clamp(28px, 7.8vw, 37px); letter-spacing: -1px; }
  .section-heading > p:last-child, .contact-copy { font-size: 13px; }
  .challenge-grid, .solutions-grid { grid-template-columns: 1fr; gap: 14px; }
  .challenge-card, .solution-card { padding: 24px; }
  .challenge-card h3 { margin-top: 17px; }
  .solutions-note { padding: 16px; }
  .process-visual { margin-bottom: 32px; padding: 10px; }
  .process-list { grid-template-columns: 1fr; gap: 18px; max-width: 430px; margin-inline: auto; }
  .process-list li { gap: 14px; }
  .process-list h3 { font-size: 14px; }
  .process-list p { font-size: 12px; }
  .contact-actions { align-items: stretch; flex-direction: column; max-width: 340px; margin-inline: auto; margin-top: 26px; }
  .contact-actions .button { width: 100%; }
  .footer-inner { min-height: auto; flex-direction: column; align-items: flex-start; gap: 14px; padding-block: 24px; }
  .footer-inner p { order: 3; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
/* Tipografía refinada: ligera, editorial y elegante */
h1,
h2,
h3 {
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.hero h1 {
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.hero h1 span,
.section-heading h2 span {
  font-weight: 600;
}

.section-heading h2,
.contact h2 {
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.18;
}

.challenge-card h3,
.solution-card h3,
.process-list h3 {
  font-weight: 600;
  letter-spacing: -0.025em;
}

.nav-links,
.button,
.eyebrow {
  font-weight: 600;
}

.footer-brand {
  font-family: var(--font-body);
  font-weight: 600;
}