/* ============================================================
   Agencia IA Uruguay — Sistema visual Chispa
   Light mode · color vivo · movimiento con propósito
   ============================================================ */

:root {
  --coral: #FF5C7A;
  --naranja: #FF9F43;
  --grad: linear-gradient(135deg, #FF5C7A, #FF9F43);
  --ink: #101828;
  --soft: #5B6472;
  --bg: #FAF9F6;
  --surface: #FFFFFF;
  --border: #E9E6E0;
  --deep: #251A3D;
  --radius: 20px;
  --shadow: 0 8px 30px rgba(16, 24, 40, .06);
  --shadow-hover: 0 16px 44px rgba(16, 24, 40, .12);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 820px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff;
  padding: 10px 16px; z-index: 200; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Tipografía ---------- */
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.02em; line-height: 1.08; }
h1 { font-size: clamp(38px, 6vw, 64px); font-weight: 800; }
h2 { font-size: clamp(30px, 4.4vw, 44px); font-weight: 700; margin-bottom: 18px; }
h3 { font-size: 21px; font-weight: 650; margin-bottom: 8px; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.grad-light {
  background: linear-gradient(135deg, #FF9DB1, #FFC98C);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 16px;
}

.section-sub { color: var(--soft); max-width: 640px; font-size: 18px; margin-bottom: 40px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600; font-size: 16px;
  padding: 15px 28px; border-radius: 999px; text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 26px rgba(255, 92, 122, .32); }
.btn-primary:hover { transform: scale(1.02); box-shadow: 0 14px 34px rgba(255, 92, 122, .42); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; transform: scale(1.02); }
.btn-light { background: #fff; color: var(--deep); }
.btn-light:hover { transform: scale(1.02); box-shadow: 0 14px 34px rgba(0,0,0,.25); }
.btn-sm { padding: 10px 20px; font-size: 14.5px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 249, 246, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.nav.scrolled { border-color: var(--border); box-shadow: 0 4px 24px rgba(16,24,40,.05); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-text { font-family: var(--font-display); font-weight: 400; font-size: 19px; letter-spacing: -.01em; }
.brand-text b { font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { text-decoration: none; font-size: 15px; font-weight: 500; color: var(--soft); transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links .btn { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 96px; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5;
  animation: float 12s ease-in-out infinite alternate;
}
.blob-1 { width: 480px; height: 480px; top: -140px; right: -120px;
  background: radial-gradient(circle, rgba(255,92,122,.32), transparent 70%); }
.blob-2 { width: 420px; height: 420px; bottom: -160px; left: -140px;
  background: radial-gradient(circle, rgba(255,159,67,.28), transparent 70%); animation-delay: -6s; }
.spark { position: absolute; animation: twinkle 6s ease-in-out infinite; }
.spark-1 { top: 18%; right: 12%; }
.spark-2 { top: 56%; right: 26%; animation-delay: -3s; }

@keyframes float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-26px, 22px) scale(1.06); }
}
@keyframes twinkle {
  0%, 100% { opacity: .3; transform: scale(1) rotate(0deg); }
  50%      { opacity: .75; transform: scale(1.12) rotate(8deg); }
}

.hero-inner { position: relative; text-align: center; }
.hero h1 { margin: 14px 0 20px; }
.hero-sub { font-size: clamp(17px, 2.2vw, 21px); color: var(--soft); max-width: 720px; margin: 0 auto 32px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

/* Bento */
.bento {
  display: grid; gap: 16px; text-align: left;
  grid-template-columns: repeat(6, 1fr);
}
.bento-card {
  grid-column: span 2;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; text-decoration: none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
  position: relative; overflow: hidden;
}
.bento-card::after {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius);
  background: var(--grad); opacity: 0; transition: opacity .25s;
  pointer-events: none; mix-blend-mode: soft-light;
}
.bento-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: transparent; }
.bento-card:hover::after { opacity: .55; }
.bento-lg { grid-column: span 3; background: var(--deep); border-color: transparent; }
.bento-lg h3, .bento-lg p { color: #fff; }
.bento-lg p { opacity: .8; }
.bento-card:nth-child(4) { grid-column: span 3; }
.bento-tag {
  font-family: var(--font-display); font-size: 12px; font-weight: 700;
  letter-spacing: .12em; color: var(--coral); display: block; margin-bottom: 10px;
}
.bento-lg .bento-tag { color: #FF9DB1; }
.bento-card h3 { font-size: 19px; margin-bottom: 6px; }
.bento-card p { font-size: 15px; color: var(--soft); line-height: 1.5; }

/* ---------- Trust ---------- */
.trust { padding: 26px 0 70px; }
.trust-logos {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 12px 16px; color: var(--soft); font-size: 14.5px; font-weight: 500;
  padding-bottom: 36px; border-bottom: 1px solid var(--border);
}
.trust-logos i { color: var(--coral); font-style: normal; }
.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding-top: 40px;
}
.metric { text-align: center; }
.metric b {
  display: block; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(34px, 4.5vw, 52px); line-height: 1.05;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.metric span { font-size: 14.5px; color: var(--soft); }

/* ---------- Problema ---------- */
.problem { padding: 80px 0; }
.problem .section-sub { max-width: 680px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 40px 0; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-icon {
  width: 52px; height: 52px; border-radius: 15px;
  background: linear-gradient(135deg, rgba(255,92,122,.14), rgba(255,159,67,.14));
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 18px;
}
.card p { font-size: 15.5px; color: var(--soft); }
.problem-close { text-align: center; font-size: 21px; color: var(--soft); }
.problem-close b { color: var(--ink); }

/* ---------- Servicios ---------- */
.services { padding: 90px 0; background: var(--surface); border-block: 1px solid var(--border); }
.service-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px; }
.service {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.service:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service:last-child { grid-column: span 2; }
.service-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.badge-ia {
  font-family: var(--font-display); font-weight: 800; font-size: 13px; color: #fff;
  background: var(--grad); border-radius: 9px; padding: 4px 11px; letter-spacing: .02em;
}
.service-desc { color: var(--soft); font-size: 16px; margin-bottom: 16px; }
.service ul { list-style: none; }
.service li {
  position: relative; padding-left: 26px; margin-bottom: 9px; font-size: 15.5px;
}
.service li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 12px; height: 12px; border-radius: 4px; background: var(--grad);
}

/* ---------- Proceso (scrollytelling) ---------- */
.process { padding: 100px 0; }
.process-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.process-sticky { position: sticky; top: 110px; }
.process-sticky .section-sub { margin-bottom: 28px; }
.process-steps { display: flex; flex-direction: column; gap: 22px; }
.step {
  display: flex; gap: 22px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.step.active {
  border-color: rgba(255, 92, 122, .45);
  box-shadow: 0 16px 44px rgba(255, 92, 122, .16);
  transform: translateX(6px);
}
.step-num {
  font-family: var(--font-display); font-weight: 800; font-size: 34px; line-height: 1;
  min-width: 66px; height: 66px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(255,92,122,.12), rgba(255,159,67,.12));
  color: var(--coral);
}
.step.active .step-num { background: var(--grad); color: #fff; }
.step-time { font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--coral); margin-bottom: 6px; }
.step p { font-size: 15.5px; color: var(--soft); }
.process-close { font-size: 19px; color: var(--soft); padding: 14px 6px 0; }
.process-close b { color: var(--ink); }

/* ---------- Soluciones ---------- */
.solutions { padding: 90px 0; background: var(--surface); border-block: 1px solid var(--border); }
.solutions-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 40px; }
.sol {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 20px 22px; font-size: 15.5px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.sol:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.sol-featured { border-color: rgba(255,92,122,.4); background: linear-gradient(135deg, rgba(255,92,122,.07), rgba(255,159,67,.07)); }
.sol a { color: var(--coral); font-weight: 600; }

/* ---------- Casos ---------- */
.cases { padding: 90px 0; }
.case-kicker {
  font-family: var(--font-display); font-size: 12px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; color: var(--coral);
  margin-bottom: 10px;
}
.case p { margin-bottom: 12px; }
.case p b { color: var(--ink); }
.case-link {
  display: inline-block; margin-top: 6px; color: var(--coral);
  font-weight: 600; text-decoration: none; font-size: 15px;
}
.case-link:hover { text-decoration: underline; }

/* ---------- Herramientas ---------- */
.tools { padding: 80px 0; background: var(--deep); color: #fff; }
.tools .eyebrow { color: #FF9DB1; }
.tools-cards { grid-template-columns: repeat(2, 1fr); max-width: 780px; }
.tools .card { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); box-shadow: none; }
.tools .card h3 { color: #fff; }
.tools .card p { color: rgba(255,255,255,.72); }
.tools .card-icon { background: rgba(255,255,255,.1); }
.pill-soon {
  display: inline-block; margin-top: 14px;
  font-family: var(--font-display); font-size: 12.5px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: #FFC98C; border: 1px solid rgba(255,201,140,.4);
  border-radius: 999px; padding: 5px 14px;
}

/* ---------- Capacitaciones ---------- */
.training { padding: 90px 0; }

/* ---------- FAQ ---------- */
.faq { padding: 80px 0 100px; background: var(--surface); border-top: 1px solid var(--border); }
.faq-list { margin-top: 36px; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 0 24px; overflow: hidden;
}
.faq-item summary {
  cursor: pointer; list-style: none; padding: 20px 34px 20px 0;
  font-family: var(--font-display); font-weight: 600; font-size: 17.5px;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 24px; color: var(--coral); transition: transform .25s var(--ease);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 8px 22px 0; color: var(--soft); font-size: 16px; }

/* ---------- CTA final ---------- */
.cta-final {
  padding: 110px 0; text-align: center;
  background:
    radial-gradient(700px 340px at 20% 0%, rgba(255,92,122,.18), transparent 70%),
    radial-gradient(700px 340px at 85% 100%, rgba(255,159,67,.16), transparent 70%),
    var(--deep);
  color: #fff;
}
.cta-spark { margin: 0 auto 26px; animation: twinkle 5s ease-in-out infinite; }
.cta-final h2 { font-size: clamp(32px, 5vw, 52px); margin-bottom: 18px; }
.cta-sub { color: rgba(255,255,255,.78); max-width: 560px; margin: 0 auto 36px; font-size: 18px; }
.cta-final .hero-ctas { margin-bottom: 0; }

/* ---------- Footer ---------- */
.footer { background: var(--deep); color: rgba(255,255,255,.65); padding: 34px 0 44px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-family: var(--font-display); font-weight: 600; font-size: 17px; }
.footer-note, .footer-copy { font-size: 13.5px; }
.footer a { color: #FFC98C; text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ---------- Motion: reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .process-grid { grid-template-columns: 1fr; gap: 36px; }
  .process-sticky { position: static; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .bento-card, .bento-lg, .bento-card:nth-child(4) { grid-column: span 3; }
}
@media (max-width: 760px) {
  body { font-size: 16.5px; }
  .nav-links {
    position: fixed; inset: 72px 0 auto 0;
    background: var(--bg); flex-direction: column; align-items: stretch;
    padding: 22px 24px 30px; gap: 6px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%); transition: transform .35s var(--ease);
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 12px 4px; font-size: 17px; color: var(--ink); }
  .nav-links .btn { margin-top: 10px; }
  .nav-toggle { display: block; }
  .hero { padding: 56px 0 70px; }
  .hero-ctas .btn { width: 100%; }
  .bento { grid-template-columns: 1fr; }
  .bento-card, .bento-lg, .bento-card:nth-child(4) { grid-column: auto; }
  .cards-3, .tools-cards { grid-template-columns: 1fr; }
  .service-list { grid-template-columns: 1fr; }
  .service:last-child { grid-column: auto; }
  .solutions-grid { grid-template-columns: 1fr; }
  .metrics { gap: 28px 12px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}