:root {
  color-scheme: dark;
  --night: #031526;
  --light: #f4f6f8;
  --accent: #57b9e5;
  --muted: #b5c5d3;
  --line: #24405a;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--night); color: var(--light); font-family: Arial, sans-serif; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, [tabindex="-1"]:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; }
img { display: block; max-width: 100%; height: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: 12px; left: 12px; padding: 16px; background: var(--light); color: var(--night); z-index: 10; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
/* Encabezado y portada del diseño «De la idea a la web». */
.site-header { background: linear-gradient(110deg, #031526, #032237); }
.header-inner { width: min(1200px, calc(100% - 80px)); min-height: 124px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: block; flex-shrink: 0; width: 265px; }
nav { display: flex; align-items: center; gap: 38px; }
nav a { text-decoration: none; font-size: 16px; color: var(--light); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 15px 20px; background: var(--light); color: var(--night); border: 1px solid #b5c5d3; font-size: 16px; line-height: 1.2; text-decoration: none; }
.button:hover { background: var(--accent); color: var(--night); }
.nav-contact { position: relative; gap: 10px; margin-left: 30px; min-height: 44px; padding: 10px 22px; border: 1px solid var(--accent); border-radius: 999px; background: transparent; color: var(--accent); }
.nav-contact::before { content: ''; position: absolute; left: -32px; top: 7px; bottom: 7px; width: 1px; background: #44738b; }
.contact-icon { width: 23px; height: 23px; flex-shrink: 0; }
.hero { background: radial-gradient(ellipse at 76% 48%, #06344d 0, transparent 56%), linear-gradient(110deg, #031526, #032237); }
.hero-inner { width: min(1200px, calc(100% - 80px)); margin-inline: auto; min-height: 545px; display: grid; grid-template-columns: .95fr 1.25fr; align-items: center; gap: 0; padding-block: 12px 34px; }
.hero-copy { position: relative; z-index: 1; padding-block: 30px; }
h1 { position: relative; margin: 0 0 42px; font: 700 clamp(42px, 4.4vw, 63px)/1.02 Georgia, serif; letter-spacing: -.055em; }
h1 span { position: relative; display: inline-block; color: var(--accent); }
h1 span::after { content: ''; position: absolute; height: 2px; bottom: -18px; left: 0; right: 0; background: var(--accent); transform: rotate(-4deg); border-radius: 50%; }
h1::after { content: ''; position: absolute; width: 64px; height: 3px; left: 0; bottom: -20px; background: var(--accent); border-radius: 50%; }
.hero-description { margin: 0; max-width: 420px; font-size: 23px; line-height: 1.45; }
.hero-cta { margin-top: 34px; gap: 22px; min-height: 58px; padding: 16px 30px; border: 1px solid var(--accent); border-radius: 999px; background: var(--accent); font-size: 17px; font-weight: 700; }
.hero-cta:hover { background: #90d5f2; }
.hero-cta span { font-size: 26px; line-height: 1; font-weight: 400; }
.hero-art { width: 100%; height: auto; align-self: center; }
.menu-toggle { align-items: center; justify-content: center; gap: 12px; color: var(--light); background: transparent; border: 0; padding: 10px 0 10px 12px; min-height: 48px; font: 400 18px Arial, sans-serif; cursor: pointer; }
.menu-toggle[hidden] { display: none; }
.menu-icon { position: relative; display: block; width: 28px; height: 20px; border-block: 2px solid var(--accent); }
.menu-icon::after { content: ''; position: absolute; height: 2px; top: 7px; left: 0; right: 0; background: var(--accent); }
.menu-toggle[aria-expanded="true"] .menu-icon { border-color: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before, .menu-toggle[aria-expanded="true"] .menu-icon::after { content: ''; position: absolute; top: 7px; left: 0; right: 0; height: 2px; background: var(--accent); transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { transform: rotate(-45deg); }
@media (max-width: 1100px) and (min-width: 1001px) {
  nav { gap: 24px; }
  .brand { width: 220px; }
  .nav-contact { margin-left: 12px; }
  .nav-contact::before { left: -19px; }
}
@media (max-width: 1000px) {
  .site-header { border-bottom: 1px solid #24405a; }
  .header-inner { width: calc(100% - 40px); min-height: 86px; flex-wrap: wrap; gap: 0; }
  .brand { width: 190px; margin-left: -7px; }
  .menu-toggle:not([hidden]) { display: inline-flex; }
  nav { width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-block: 8px 24px; }
  nav[hidden] { display: none; }
  nav a { min-height: 44px; padding: 14px 0; }
  .nav-contact { margin: 12px 0 0; padding: 10px 20px; align-self: flex-start; }
  .nav-contact::before { display: none; }
  .hero-inner { width: calc(100% - 40px); min-height: 0; grid-template-columns: minmax(0, 1fr); padding-block: 24px 0; }
  .hero-copy { padding: 0; }
  h1 { max-width: 600px; margin-bottom: 30px; font-size: clamp(34px, 8.5vw, 42px); line-height: 1.04; letter-spacing: -.045em; }
  h1::after { bottom: -14px; width: 48px; height: 2px; }
  h1 span::after { bottom: -12px; }
  .hero-description { max-width: 450px; font-size: 18px; line-height: 1.5; }
  .hero-cta { margin-top: 22px; min-height: 48px; padding: 12px 22px; gap: 20px; font-size: 16px; }
  .hero-art { width: 100%; max-width: 650px; margin: 10px auto 0; }
}
@media (max-width: 370px) {
  .brand { width: 160px; }
  .menu-toggle { gap: 8px; font-size: 16px; }
  .menu-icon { width: 24px; }
  .hero-description { font-size: 16px; }
  .hero-cta { gap: 12px; padding-inline: 18px; }
}

/* Secciones del diseño integral. El encabezado y la portada se conservan. */
.section { scroll-margin-top: 24px; }
.section:focus-visible { outline-offset: -3px; }
.section-light:focus-visible { outline-color: var(--night); }
.section-inner { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.section-light { color-scheme: light; background: #f4f6f8; color: var(--night); }
h2 { font: 700 46px/1.08 Georgia, serif; letter-spacing: -.045em; margin: 0; }
h3 { font: 700 23px/1.2 Georgia, serif; margin: 0; }
.section p { font: 400 18px/1.55 Arial, sans-serif; margin: 12px 0 0; }
.underlined { position: relative; padding-bottom: 26px; }
.underlined::after { content: ''; position: absolute; left: 0; bottom: 4px; width: 95px; height: 3px; background: var(--accent); border-radius: 50%; }
.icon { width: 72px; height: 72px; flex-shrink: 0; }
.services { padding-block: 42px; }
.services-grid { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 42px; }
.services-art { width: 100%; }
.services-copy { padding-block: 16px; }
.service-list { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 34px; }
.service-list li { display: grid; grid-template-columns: 88px 1fr; gap: 26px; align-items: start; }
.service-list .icon { filter: brightness(.7) saturate(1.3); }
.service-list li>div { border-left: 1px solid #94bfd4; padding-left: 26px; }
.service-list p { color: #405469; margin-top: 6px; }
.process { padding-block: 46px 38px; background: linear-gradient(110deg, #031526, #032237); }
.process-list { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); list-style: none; margin: 22px 0 0; padding: 0; }
.process-list li { position: relative; min-width: 0; }
.process-list li>.icon { width: 116px; height: 100px; margin: 0 0 24px 10px; }
.process-list li:not(:last-child)::after { content: '→'; position: absolute; top: 30px; left: 56%; right: 10%; color: var(--accent); font-size: 30px; text-align: center; }
.step-copy { position: relative; border-top: 1px solid #57b9e580; padding: 18px 22px 0 0; }
.step-copy::before { content: ''; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); position: absolute; top: -6px; left: 12px; }
.step-number { display: block; font: 400 40px/1 Georgia, serif; color: var(--accent); margin-bottom: 8px; }
.process-list h3 { font-size: 21px; }
.process-list p { color: var(--muted); font-size: 17px; }
.studio { overflow: hidden; }
.studio-grid { display: grid; grid-template-columns: .85fr 1.35fr; align-items: center; gap: 0; }
.studio-copy { position: relative; z-index: 1; padding-block: 46px; padding-right: 45px; }
.studio-copy h2 { max-width: 385px; }
.studio-copy p { color: #405469; max-width: 320px; }
.studio-art { position: relative; min-width: 0; margin: 0 -40px 0 -45px; align-self: stretch; min-height: 400px; background: #dce3e8; clip-path: polygon(16% 0,100% 0,100% 100%,0 100%); display: grid; align-items: center; padding: 30px 80px; }
.studio-sheet { position: relative; width: 100%; max-width: 530px; padding: 22px 30px 0; transform: rotate(-10deg); background-color: #f4f6f8; background-image: linear-gradient(#40546920 1px, transparent 1px),linear-gradient(90deg,#40546920 1px,transparent 1px); background-size: 32px 32px; border: 1px solid #b5c5d3; display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 10px; }
.studio-monogram { width: 100%; border-radius: 50%; outline: 1px solid #40546960; outline-offset: 10px; }
.studio-notes { padding-left: 15px; color: #405469; font: italic 23px/1.5 Georgia,serif; }
.studio-wordmark { width: 100%; grid-column: 1/-1; max-height: 135px; object-fit: contain; }
.studio-tools { position: absolute; right: 60px; top: -5px; width: 240px; }
.contact { padding-block: 46px; background: linear-gradient(110deg,#031526,#032237); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr .65fr; align-items: center; gap: 40px; }
.contact-copy h2 { font-size: 44px; }
.contact-copy p { max-width: 340px; color: var(--muted); }
.contact-actions { min-width: 0; border-left: 1px solid #44738b; padding-left: 32px; display: flex; flex-direction: column; gap: 16px; }
.project-button { border-radius: 999px; gap: 12px; padding: 14px 20px; min-height: 56px; background: var(--accent); border: 1px solid var(--accent); font-size: 16px; font-weight: 700; white-space: normal; }
.project-button .icon { width: 25px; height: 25px; filter: brightness(.15); }
.project-button:hover { background: #90d5f2; }
.button-arrow { font-size: 25px; font-weight: 400; }
.contact-detail { display: flex; align-items: center; gap: 14px; min-height: 44px; font-size: 16px; text-decoration: none; }
.contact-detail:hover { text-decoration: underline; }
.contact-detail span { min-width: 0; overflow-wrap: anywhere; }
.contact-detail .icon { width: 26px; height: 26px; }
.contact-mark { position: relative; aspect-ratio: 1; background-image: linear-gradient(#57b9e526 1px,transparent 1px),linear-gradient(90deg,#57b9e526 1px,transparent 1px); background-size: 26px 26px; display: grid; place-items: center; }
.contact-mark::before,.contact-mark::after { content: ''; position: absolute; inset: 12%; border: 1px solid #57b9e570; border-radius: 50%; }
.contact-mark::after { inset: 3% 16%; transform: rotate(20deg); }
.contact-mark img { width: 92%; filter: brightness(0) saturate(100%) invert(73%) sepia(20%) saturate(1197%) hue-rotate(159deg); opacity: .8; }
footer { border-top: 1px solid #24405a; background: linear-gradient(110deg,#031526,#032237); }
.footer-inner { width: min(1200px, calc(100% - 80px)); margin-inline: auto; min-height: 130px; display: flex; align-items: center; gap: 30px; }
.footer-brand { display: block; width: 250px; flex-shrink: 0; }
.footer-inner p { border-left: 1px solid #44738b; padding-left: 30px; font-size: 14px; line-height: 1.5; color: var(--muted); }
.national-lines { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.national-lines>span:not(.spark) { width: 92px; height: 4px; }
.argentina { background: linear-gradient(90deg,#75aadb 33.3%,#fff 33.3% 66.6%,#75aadb 66.6%); }
.italia { background: linear-gradient(90deg,#008c45 33.3%,#fff 33.3% 66.6%,#cd212a 66.6%); }
.spark { font-size: 33px; color: #f4f6f8; }
@media (max-width: 1100px) and (min-width: 1001px) {
 .contact-grid { grid-template-columns: 1fr 1.1fr; }
 .contact-mark { display: none; }
 .national-lines>span:not(.spark) { width: 65px; }
}
@media (max-width: 1000px) {
 .section-inner,.footer-inner { width: calc(100% - 40px); }
 h2 { font-size: clamp(30px,7.7vw,42px); line-height: 1.12; }
 h3 { font-size: 22px; }
 .section p { font-size: 16px; line-height: 1.5; }
 .services { padding-block: 28px 36px; }
 .services-grid { grid-template-columns: minmax(0,1fr); gap: 0; }
 .services-art { display: none; }
 .services-copy { padding: 0; }
 .service-list { gap: 26px; margin-top: 18px; }
 .service-list li { grid-template-columns: 58px minmax(0,1fr); gap: 16px; }
 .service-list .icon { width: 56px; height: 62px; }
 .service-list li>div { padding-left: 18px; }
 .process { padding-block: 28px 38px; }
 .process-list { grid-template-columns: minmax(0,1fr); margin-top: 16px; }
 .process-list li { display: grid; grid-template-columns: 70px minmax(0,1fr); gap: 18px; padding: 0 0 28px 16px; border-left: 1px solid #57b9e580; margin-left: 5px; }
 .process-list li:last-child { padding-bottom: 0; }
 .process-list li>.icon { width: 66px; height: 70px; margin: 0; }
 .process-list li::before { content: ''; position: absolute; top: 22px; left: -6px; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); }
 .process-list li:not(:last-child)::after { display: none; }
 .step-copy { border: 0; padding: 0; }
 .step-copy::before { display: none; }
 .step-number { font-size: 30px; margin: 0 0 6px; }
 .process-list h3 { font-size: 21px; }
 .process-list p { margin-top: 6px; }
 .studio-grid { display: flex; flex-direction: column; }
 .studio-copy { padding: 30px 0 18px; width: 100%; }
 .studio-copy h2,.studio-copy p { max-width: none; }
 .studio-art { clip-path: none; margin: 0; background: transparent; min-height: 0; padding: 22px 14px 26px; width: 100%; }
 .studio-sheet { max-width: 410px; margin-inline: auto; padding: 20px 20px 0; transform: rotate(-7deg); }
 .studio-notes { font-size: clamp(16px,4vw,22px); }
 .studio-wordmark { max-height: 110px; }
 .studio-tools { display: none; }
 .contact { padding-block: 30px 32px; }
 .contact-grid { display: flex; flex-direction: column; align-items: stretch; gap: 24px; }
 .contact-copy h2 { font-size: clamp(30px,7.7vw,42px); }
 .contact-copy p { max-width: none; }
 .contact-actions { border: 0; padding: 0; gap: 12px; }
 .project-button { align-self: stretch; max-width: 440px; min-height: 52px; }
 .contact-detail { min-height: 44px; }
 .contact-mark { display: none; }
 .footer-inner { padding-block: 16px; min-height: 0; flex-wrap: wrap; gap: 10px 18px; }
 .footer-brand { width: 185px; }
 .footer-inner p { border: 0; padding: 0; margin: 0; font-size: 14px; }
 .national-lines { margin-left: 0; }
 .national-lines>span:not(.spark) { width: 52px; height: 3px; }
 .spark { font-size: 25px; }
}

/* Servicios: cuatro tipos de proyecto y características compartidas. */
.services-heading { max-width: 900px; }
.services-intro { max-width: 760px; color: #405469; }
.services-grid { grid-template-columns: .8fr 1.3fr; gap: 36px; margin-top: 22px; }
.service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 28px; margin: 0; }
.service-list li { display: block; }
.service-list .icon { width: 50px; height: 50px; margin-bottom: 12px; }
.service-list li>div { padding-left: 16px; }
.service-list h3 { font-size: 24px; }
.service-list p { font-size: 16px; line-height: 1.5; }
.service-features { border-top: 1px solid #94bfd4; margin-top: 30px; padding-top: 24px; }
.service-features>h3 { font-size: 22px; }
.service-features ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 30px; }
.service-features li { display: flex; align-items: flex-start; gap: 16px; }
.service-features .icon { width: 45px; height: 45px; filter: brightness(.7) saturate(1.3); }
.service-features h4 { font: 700 19px/1.3 Georgia, serif; margin: 0; }
.service-features p { color: #405469; font-size: 16px; margin-top: 4px; }
.section .services-closing { margin-top: 26px; color: #405469; font-size: 16px; }
@media (max-width: 1000px) {
 .services-grid { grid-template-columns: minmax(0,1fr); }
 .service-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .service-features ul { gap: 24px; }
}
@media (max-width: 600px) {
 .service-list { grid-template-columns: minmax(0,1fr); gap: 26px; }
 .service-list li { display: grid; grid-template-columns: 48px minmax(0,1fr); gap: 12px; }
 .service-list .icon { width: 46px; height: 52px; margin: 0; }
 .service-list h3 { font-size: 22px; }
 .service-features ul { grid-template-columns: minmax(0,1fr); }
}