/* =========================================================
   SPARKY — Dirección Estratégica de Marca
   Réplica fiel de los templates finales (Figma)
   ========================================================= */

:root {
  --purple: #462C90;
  --purple-2: #4B2E9C;      /* card lab más claro */
  --purple-light: #977FDA;
  --gold: #F8CA42;
  --gray: #595959;
  --gray-2: #6B6B6B;
  --dark: #2D2D2D;
  --footer-text: #DCDFE3;
  --line: rgba(0, 0, 0, 0.14);
  --soft-bg: #F4F4F6;       /* gris muy claro de secciones */
  --white: #FFFFFF;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1200px;
  --gutter: clamp(20px, 8.3vw, 120px);
  --nav-h: 84px;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--gray);
  background: var(--white);
  line-height: 1.5;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; }
p { margin: 0; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(56px, 8vw, 110px); }
.section--tight { padding-block: clamp(40px, 5vw, 72px); }
.center { text-align: center; }

/* ---------- Tipografías display ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 7.2vw, 96px);
  line-height: 1.0;
  color: var(--purple);
  letter-spacing: -0.005em;
}
.display i, .display .i { font-style: italic; font-weight: 600; }
.h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.12;
  color: var(--purple);
}
.h2 i, .h2 .i { font-style: italic; }
.h2--white { color: var(--white); }
.lead { font-size: clamp(17px, 1.55vw, 21px); font-weight: 300; line-height: 1.5; color: var(--gray); }
.lead--white { color: var(--white); }
.big-lead { font-size: clamp(19px, 2.1vw, 27px); font-weight: 300; line-height: 1.35; }

/* Wordmark MÉTODO NODO (Poppins light + bold) */
.wordmark { font-family: var(--font-sans); font-weight: 300; letter-spacing: 0.01em; }
.wordmark b { font-weight: 700; }

/* ---------- Eyebrows (texto plano) ---------- */
.eyebrow {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 20px;
  color: var(--gray);
}
.eyebrow--gold { color: var(--gold); }
.eyebrow--purple { color: var(--purple); }
.eyebrow--white { color: #fff; }

/* ---------- Badges (rectángulos rellenos) ---------- */
.badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 9px 20px;
  line-height: 1.3;
}
.badge--purple      { background: var(--purple); color: var(--gold); }
.badge--purple-w    { background: var(--purple); color: #fff; }
.badge--gold        { background: var(--gold); color: var(--purple); }
.badge--gold-line   { background: transparent; color: var(--gold); border: 1px solid var(--gold); }
.badge--light       { background: var(--purple-light); color: #fff; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 17px 34px;
  font-family: var(--font-sans); font-weight: 700; font-size: 14px;
  letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid transparent; transition: var(--transition);
}
.btn--gold { background: var(--gold); color: var(--purple); border-color: var(--gold); }
.btn--gold:hover { background: transparent; color: var(--gold); }
.on-purple .btn--gold:hover, .on-dark .btn--gold:hover { color: var(--gold); border-color: var(--gold); }
.btn--purple { background: var(--purple); color: #fff; border-color: var(--purple); }
.btn--purple:hover { background: transparent; color: var(--purple); }
.btn--outline-purple { background: transparent; color: var(--purple); border-color: var(--purple); }
.btn--outline-purple:hover { background: var(--purple); color: #fff; }
.btn--block { width: 100%; }

/* Link con flecha */
.arrow-link {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--font-sans); font-weight: 600; font-size: 13px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--purple);
}
.arrow-link svg { transition: transform var(--transition); }
.arrow-link:hover svg { transform: translateX(6px); }

/* ---------- Fondos de sección ---------- */
.soft { background: var(--soft-bg); }
.on-purple { background: var(--purple); color: #fff; }
.on-purple .lead, .on-purple p { color: #fff; }
.on-dark { background: var(--dark); color: var(--footer-text); }

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.nav__inner { min-height: var(--nav-h); display: flex; align-items: center; gap: 28px; }
.nav__brand { margin-right: auto; display: flex; align-items: center; }
.nav__brand img { height: 46px; width: auto; }
.nav__links { display: flex; align-items: center; gap: clamp(18px, 2vw, 34px); }
.nav__links a {
  font-family: var(--font-sans); font-weight: 500; font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray);
  transition: color var(--transition); white-space: nowrap;
}
.nav__links a b { font-weight: 700; }
.nav__links a:hover, .nav__links a.is-active { color: var(--purple); }
.nav__actions { display: flex; align-items: center; gap: 18px; }
.nav__cta { padding: 11px 20px; font-size: 12px; }
.nav__lang { font-family: var(--font-sans); font-weight: 500; font-size: 12px; letter-spacing: 0.08em; color: var(--gray); white-space: nowrap; }
.nav__lang b { color: var(--purple); }
.nav__toggle { display: none; background: none; border: 0; width: 44px; height: 44px; flex-direction: column; justify-content: center; gap: 6px; padding: 0; }
.nav__toggle span { display: block; height: 2px; width: 26px; background: var(--purple); transition: var(--transition); }

/* =========================================================
   HERO HOME
   ========================================================= */
.hero { padding-block: clamp(36px, 5vw, 72px); }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.hero__title { margin: 24px 0 26px; }
.hero__sub { max-width: 560px; margin-bottom: 36px; }
.hero__media { position: relative; }
.hero__media img { width: 100%; max-width: 560px; margin-inline: auto; filter: drop-shadow(0 30px 60px rgba(70,44,144,0.25)); }

/* Banda hero morada (páginas internas) */
.pagehead { padding-block: clamp(48px, 6vw, 84px); }
.pagehead .display { color: #fff; }

/* =========================================================
   SPLIT genérico
   ========================================================= */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 96px); align-items: start; }
.split--center { align-items: center; }

/* Caja con borde dorado a la izquierda */
.rule-left { border-left: 3px solid var(--gold); padding-left: 30px; }

/* Lista con divisores finos */
.divided { list-style: none; margin: 0; padding: 0; }
.divided li {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(17px, 1.7vw, 21px); color: var(--gray);
  padding: 15px 2px; border-bottom: 1px solid var(--line);
}
.divided li:first-child { border-top: 1px solid var(--line); }
.on-purple .divided li { color: #fff; border-color: rgba(255,255,255,0.28); }

/* =========================================================
   MÉTODO NODO (home) — cabecera + tarjetas
   ========================================================= */
.method__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; flex-wrap: wrap; margin-bottom: 46px; }
.method__mark { font-family: var(--font-sans); font-weight: 300; font-size: clamp(34px, 4.6vw, 54px); color: var(--purple); line-height: 1; display: flex; align-items: center; gap: 14px; }
.method__mark b { font-weight: 700; }
.method__mark .star { width: clamp(28px,3vw,40px); height: auto; }
.method__sub { margin-top: 12px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); }
.step { padding: 6px clamp(16px, 1.8vw, 30px); }
.step + .step { border-left: 1px solid var(--line); }
.step__num { font-family: var(--font-sans); font-weight: 700; font-size: 15px; letter-spacing: 0.12em; color: var(--gold); }
.step__bar { width: 46px; height: 3px; background: var(--gold); margin: 14px 0 18px; }
.step__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(20px,2vw,24px); color: var(--purple); margin-bottom: 14px; }
.step__desc { font-size: 14.5px; font-weight: 300; color: var(--gray); line-height: 1.5; margin-bottom: 20px; }
.step__res { font-family: var(--font-sans); font-weight: 700; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); line-height: 1.5; }

/* Tabla de 4 etapas (página Método NODO, sobre morado) */
.stages { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,0.35); }
.stage { padding: clamp(24px, 2.4vw, 40px); border-right: 1px solid rgba(255,255,255,0.35); }
.stage:last-child { border-right: 0; }
.stage__num { font-family: var(--font-sans); font-weight: 700; font-size: 16px; letter-spacing: 0.1em; color: var(--purple-light); margin-bottom: 22px; }
.stage__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(22px,2.3vw,26px); color: var(--gold); margin-bottom: 18px; }
.stage__desc { font-size: 15px; font-weight: 300; color: #fff; line-height: 1.55; margin-bottom: 26px; }
.stage__res { font-family: var(--font-sans); font-weight: 700; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); line-height: 1.6; }

/* =========================================================
   SECCIÓN OSCURA — pilares
   ========================================================= */
.pillars { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 44px; }
.pillar { padding: 6px clamp(14px,1.6vw,26px); text-align: center; font-family: var(--font-display); font-weight: 400; font-size: clamp(15px,1.5vw,18px); line-height: 1.3; color: var(--footer-text); }
.pillar + .pillar { border-left: 1px solid var(--gold); }

/* Pilares sobre gris claro (Sparky Lab) */
.pillars--soft .pillar { color: var(--purple); }
.pillars--soft .pillar + .pillar { border-left: 1px solid var(--gold); }

/* =========================================================
   CASOS (preview home) — 3 columnas
   ========================================================= */
.cases-preview { display: grid; grid-template-columns: repeat(3, 1fr); }
.cpv { padding: 4px clamp(16px,2vw,34px); }
.cpv + .cpv { border-left: 1px solid var(--line); }
.cpv__cat { font-family: var(--font-sans); font-weight: 700; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-2); margin-bottom: 14px; }
.cpv__bar { width: 46px; height: 3px; background: var(--gold); margin-bottom: 16px; }
.cpv__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(22px,2.2vw,26px); color: var(--purple); margin-bottom: 12px; }
.cpv__desc { font-size: 15px; font-weight: 300; font-style: italic; color: var(--gray); line-height: 1.5; }

/* =========================================================
   CASOS (página) — filas
   ========================================================= */
.case { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(24px,4vw,60px); padding-block: clamp(40px,5vw,66px); border-top: 1px solid var(--line); }
.case__meta .badge { margin-bottom: 20px; }
.case__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px,2.6vw,30px); color: var(--purple); margin-bottom: 14px; }
.case__tag { font-style: italic; font-size: 16px; color: var(--gray); margin-bottom: 20px; max-width: 320px; }
.case__stages { border-top: 1px solid var(--line); padding-top: 16px; font-size: 15px; color: var(--gray); }
.case__stages b { color: var(--purple); font-weight: 700; }
.case__body { }
.case__logo { height: 150px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.case__logo img { max-height: 150px; width: auto; object-fit: contain; }
.case__body p { margin-bottom: 18px; font-size: 16px; font-weight: 300; line-height: 1.6; color: var(--gray); }
.case__body p:last-child { margin-bottom: 0; }

/* =========================================================
   NOSOTRAS
   ========================================================= */
.about-hero__media img { width: 100%; border-radius: 4px; aspect-ratio: 4/3.4; object-fit: cover; object-position: center 30%; }
.people { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 90px); }
.person__photo { width: 210px; height: 210px; border-radius: 50%; object-fit: cover; margin-bottom: 26px; }
.person__name { font-family: var(--font-display); font-weight: 700; font-size: clamp(28px,3.2vw,40px); color: var(--purple); }
.person__role { display: block; font-family: var(--font-sans); font-weight: 700; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dark); margin: 10px 0 22px; }
.person__text { border-left: 3px solid var(--gold); padding-left: 24px; font-size: 16px; font-weight: 300; line-height: 1.6; color: var(--gray); }

/* =========================================================
   SPARKY LAB
   ========================================================= */
.lab-hero__logo { display: flex; align-items: baseline; gap: 16px; }
.lab-hero__logo img { height: clamp(56px, 8vw, 96px); width: auto; }
.lab-hero__logo .lab-tag { font-family: var(--font-display); font-weight: 700; font-size: clamp(28px,4vw,46px); color: var(--gold); letter-spacing: 0.02em; }
.lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,6vw,90px); align-items: start; }
.lab-block .h2 { margin: 20px 0; }
.lab-cta { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px,4vw,50px); align-items: stretch; }
.lab-cta__media { border-radius: 4px; overflow: hidden; min-height: 320px; background:
  repeating-linear-gradient(45deg, rgba(255,255,255,0.06) 0 16px, rgba(255,255,255,0.12) 16px 32px); }
.lab-cta__media img { width: 100%; height: 100%; object-fit: cover; }

/* Card lista de espera */
.waitlist { background: rgba(255,255,255,0.10); padding: clamp(28px,3vw,48px); }
.waitlist h3 { font-family: var(--font-display); font-weight: 700; font-size: clamp(26px,3vw,34px); color: #fff; margin-bottom: 8px; }
.waitlist p { color: #fff; margin-bottom: 22px; }

/* =========================================================
   FORMULARIOS
   ========================================================= */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field > label { font-family: var(--font-sans); font-weight: 400; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: #fff; }
.input, .textarea, .select {
  width: 100%; padding: 17px 18px; font-family: var(--font-sans); font-size: 16px; font-weight: 300;
  color: #fff; background: transparent; border: 1px solid rgba(255,255,255,0.55); border-radius: 2px;
  transition: border-color var(--transition), background var(--transition);
}
.input::placeholder, .textarea::placeholder { color: rgba(255,255,255,0.7); }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--gold); background: rgba(255,255,255,0.06); }
.textarea { resize: vertical; min-height: 120px; }
.select { appearance: none; color: rgba(255,255,255,0.7);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 18px center; }
.select:valid { color: #fff; }
.select option { color: #222; }
.form__note { font-size: 13px; color: rgba(255,255,255,0.7); }
.form__success { display: none; padding: 15px 16px; background: rgba(248,202,66,0.16); border: 1px solid var(--gold); color: #fff; border-radius: 4px; font-size: 15px; }
.form__success.show { display: block; }
.form__error { display: none; padding: 15px 16px; background: rgba(255,90,90,0.14); border: 1px solid #ff8a8a; color: #fff; border-radius: 4px; font-size: 15px; }
.form__error.show { display: block; }

/* =========================================================
   TESTIMONIAL
   ========================================================= */
.quote-box { background: var(--soft-bg); padding: clamp(36px,5vw,64px); text-align: center; }
.quote-box__mark { font-family: var(--font-display); font-size: 64px; line-height: 0.2; color: var(--gold); }
.quote-box__text { font-family: var(--font-display); font-style: italic; font-weight: 500; font-size: clamp(20px,2.4vw,30px); color: var(--gray); max-width: 760px; margin: 24px auto; line-height: 1.3; }
.quote-box__by { font-family: var(--font-sans); font-weight: 700; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray-2); }

/* =========================================================
   CTA final
   ========================================================= */
.cta { text-align: center; }
.cta .h2 { margin-bottom: 18px; }
.cta p { max-width: 620px; margin: 0 auto 32px; }

/* =========================================================
   CONTACTO
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,80px); align-items: start; }
.contact-list { list-style: none; margin: 26px 0 0; padding: 0; }
.contact-list li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-list li:first-child { border-top: 1px solid var(--line); }
.contact-list .k { display: block; font-family: var(--font-sans); font-weight: 500; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); margin-bottom: 4px; }
.contact-list .v { font-size: 19px; font-weight: 500; color: var(--purple); }
.form-card { background: var(--purple); padding: clamp(28px,3.5vw,52px); border-radius: 2px; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--dark); color: var(--footer-text); padding-block: 64px 40px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__brand img { height: 58px; width: auto; margin-bottom: 22px; }
.footer__brand p { font-size: 15px; line-height: 1.6; max-width: 360px; color: #cfcfd4; }
.footer h4 { font-family: var(--font-sans); font-weight: 600; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: #fff; margin-bottom: 20px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer ul li { margin-bottom: 13px; }
.footer ul a { font-size: 14px; color: var(--footer-text); transition: color var(--transition); }
.footer ul a b { font-weight: 700; }
.footer ul a:hover { color: var(--gold); }
.footer__contact .mail { font-size: 14px; color: var(--footer-text); }
.footer__contact .link { margin-top: 16px; display: inline-flex; align-items: center; gap: 10px; color: var(--gold); font-family: var(--font-sans); font-weight: 500; font-size: 13px; letter-spacing: 0.08em; border-bottom: 1px solid var(--gold); padding-bottom: 6px; }
.footer__bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 13px; color: #9a9aa0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* =========================================================
   Reveal
   ========================================================= */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .reveal{opacity:1;transform:none;transition:none} html{scroll-behavior:auto} }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px) {
  .nav__links { gap: 16px; }
  .nav__links a { font-size: 11px; }
}
@media (max-width: 960px) {
  .steps, .stages, .cases-preview { grid-template-columns: repeat(2, 1fr); }
  .step + .step, .cpv + .cpv { border-left: 0; }
  .steps .step, .cases-preview .cpv { padding: 22px 0; border-top: 1px solid var(--line); }
  .stages { border: 0; }
  .stage { border: 0; border-top: 1px solid rgba(255,255,255,0.3); }
  .pillars { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
  .pillar + .pillar { border-left: 0; }
  .pillar { padding: 14px; }
}
@media (max-width: 860px) {
  .nav__links, .nav__lang { display: none; }
  .nav__toggle { display: flex; }
  .nav.open .nav__links {
    display: flex; position: absolute; top: var(--nav-h); left: 0; right: 0; flex-direction: column;
    align-items: flex-start; gap: 2px; background: #fff; padding: 16px var(--gutter) 26px;
    border-bottom: 1px solid rgba(0,0,0,0.08); box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  }
  .nav.open .nav__links a { padding: 12px 0; font-size: 14px; width: 100%; }
  .hero__grid, .split, .people, .lab-grid, .lab-cta, .contact-grid { grid-template-columns: 1fr; }
  .hero__media { order: -1; }
  .hero__media img { max-width: 380px; }
  .case { grid-template-columns: 1fr; }
  .method__head { flex-direction: column; align-items: flex-start; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .steps, .stages, .cases-preview, .pillars, .footer__grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .nav__actions .nav__cta { display: none; }
}