/* =========================================================
   CSSN — sistema de diseño
   Dirección: maximalista y colorido — gradientes vibrantes,
   formas redondeadas, energía visual sobre una base oscura
   violeta, alternando con zonas claras para dar ritmo.
   ========================================================= */

:root{
  --ink: #120A2E;
  --ink-2: #1B1140;
  --ink-3: #241653;
  --paper: #F6F3FF;
  --surface: #FFFFFF;
  --surface-border: #EBE5FA;

  --white: #FFFFFF;
  --text-onlight: #170B33;
  --text-onlight-soft: #5B527A;
  --text-onlight-faint: #8A81AD;
  --text-ondark: #FFFFFF;
  --text-ondark-soft: #C9BEEF;
  --text-ondark-faint: #9186BE;

  --magenta: #FF4D8D;
  --cyan: #00C2E0;
  --violet: #7C3AED;
  --violet-deep: #4C1D95;
  --amber: #FFB84D;

  --font-display: "Unbounded", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Plus Jakarta Sans", "Helvetica Neue", Arial, sans-serif;

  --fs-h1: clamp(2.3rem, 1.5rem + 3.4vw, 3.75rem);
  --fs-h2: clamp(1.9rem, 1.5rem + 1.6vw, 2.6rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.5vw, 1.4rem);
  --fs-lead: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
  --fs-body: 1rem;
  --fs-small: 0.9rem;
  --fs-micro: 0.78rem;

  --radius-pill: 999px;
  --radius-card: 22px;
  --radius-sm: 12px;
  --container: 1180px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  --mesh-dark:
    radial-gradient(60% 55% at 12% 8%, rgba(255,77,141,.32), transparent 60%),
    radial-gradient(55% 55% at 92% 6%, rgba(0,194,224,.26), transparent 60%),
    radial-gradient(70% 60% at 45% 105%, rgba(124,58,237,.5), transparent 60%),
    var(--ink);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--text-onlight);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: break-word;
}
h1{ font-size: var(--fs-h1); font-weight: 800; }
h2{ font-size: var(--fs-h2); }
h3{ font-size: var(--fs-h3); }
p{ margin: 0 0 1em; }
p:last-child{ margin-bottom: 0; }

a{ color: var(--violet); text-decoration: none; }
a:hover{ text-decoration: underline; }

img{ max-width: 100%; display: block; }

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only{
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link{
  position: absolute; left: 12px; top: -48px;
  background: var(--ink); color: var(--text-ondark);
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-size: var(--fs-small); z-index: 200;
  transition: top .15s var(--ease);
}
.skip-link:focus{ top: 12px; }

:focus-visible{
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-small);
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s var(--ease), background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease);
  text-decoration: none;
  line-height: 1;
}
.btn:hover{ text-decoration: none; transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn--primary{ background: var(--violet); color: #fff; }
.btn--primary:hover{ background: #6b2fe0; }
.btn--outline{ background: transparent; border-color: #D9CFFA; color: var(--text-onlight); }
.btn--outline:hover{ border-color: var(--violet); color: var(--violet); }
.btn--on-dark{ background: #fff; color: var(--ink); }
.btn--on-dark:hover{ background: #F0EAFF; }
.btn--ghost-on-dark{ border-color: rgba(255,255,255,.45); color: #fff; }
.btn--ghost-on-dark:hover{ border-color: #fff; background: rgba(255,255,255,.08); }
.btn--sm{ padding: 11px 18px; }

/* ---------- Chips ---------- */
.chip{
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-micro); font-weight: 600;
  padding: 9px 16px; border-radius: var(--radius-pill);
}
.chip--onlight{ background: #F0EAFF; color: var(--violet-deep); }
.chip--ondark{ background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); color: #fff; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(246,243,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}
.site-header__inner{
  display: flex; align-items: center; gap: 20px;
  height: 78px;
}
.brand{
  display: flex; align-items: center;
  margin-right: auto;
}
.brand:hover{ text-decoration: none; }
.brand__logo{ height: 34px; width: auto; display: block; }

.site-nav{ display: flex; gap: 8px; }
.site-nav a{
  color: var(--text-onlight-soft); font-size: var(--fs-small); font-weight: 600;
  padding: 10px 16px; border-radius: var(--radius-pill);
}
.site-nav a:hover{ color: var(--text-onlight); background: #EFE9FC; text-decoration: none; }

.nav-cta{ flex: none; }
.nav-toggle{
  display: none; flex: none;
  width: 42px; height: 42px;
  border: 1.5px solid var(--surface-border); border-radius: var(--radius-pill);
  background: var(--surface);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
  cursor: pointer;
}
.nav-toggle span{ width: 16px; height: 2px; background: var(--ink); display: block; border-radius: 2px; }

.mobile-nav[hidden]{ display: none; }
.mobile-nav{
  display: flex; flex-direction: column;
  padding: 8px 24px 24px;
  border-top: 1px solid var(--surface-border);
  gap: 4px;
}
.mobile-nav a{
  padding: 13px 4px; color: var(--text-onlight); font-weight: 600;
  border-bottom: 1px solid var(--surface-border);
}
.mobile-nav .btn{ margin-top: 14px; align-self: flex-start; }

@media (max-width: 860px){
  .site-nav, .nav-cta{ display: none; }
  .nav-toggle{ display: flex; }
}

/* ---------- Section scaffolding ---------- */
.section{ padding: 104px 0; background: var(--paper); }
.section--tight{ padding: 80px 0; }
.section--dark{
  background: var(--mesh-dark);
  color: var(--text-ondark);
}
.section-head{ max-width: 620px; margin: 0 auto 52px; text-align: center; }
.section-head--left{ margin: 0 0 48px; text-align: left; }
.eyebrow{
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
}
.section-head p{ color: var(--text-onlight-soft); font-size: var(--fs-lead); margin-top: 14px; }
.section--dark .section-head p{ color: var(--text-ondark-soft); }

/* ---------- Hero ---------- */
.hero{ padding: 84px 0 96px; text-align: center; }
.hero__inner{ max-width: 780px; margin: 0 auto; }
.hero h1{ margin: 0 0 26px; }
@media (max-width: 480px){
  .hero h1{ font-size: 1.9rem; }
}
@media (max-width: 380px){
  .hero h1{ font-size: 1.65rem; }
}
.hero h1 .accent{
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead{
  font-size: var(--fs-lead); color: var(--text-ondark-soft);
  max-width: 52ch; margin: 0 auto 36px;
}
.hero__actions{ display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 44px; }
.hero__chips{ display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

/* ---------- Stats ---------- */
.stats{ padding: 76px 0; background: var(--paper); }
.stats__grid{
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px; text-align: center;
}
.stat__value{
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 1.6rem + 1.6vw, 2.8rem);
  display: block;
  background: linear-gradient(120deg, var(--violet), var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__label{ color: var(--text-onlight-soft); font-size: var(--fs-small); margin-top: 8px; }

@media (max-width: 760px){
  .stats__grid{ grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
}

/* ---------- Services (3 pilares) ---------- */
.pillars{ display: flex; flex-direction: column; gap: 28px; }
.pillar{
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 40px;
}
.pillar__head{ display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.pillar__icon{
  width: 48px; height: 48px; border-radius: 14px; flex: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.pillar:nth-of-type(1) .pillar__icon{ background: linear-gradient(135deg, var(--magenta), #FF8FB3); }
.pillar:nth-of-type(2) .pillar__icon{ background: linear-gradient(135deg, var(--cyan), #6FE3F5); }
.pillar:nth-of-type(3) .pillar__icon{ background: linear-gradient(135deg, var(--violet), #A78BFA); }
.pillar__grid{
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.service h4{
  font-family: var(--font-body); font-weight: 700; font-size: 1rem;
  margin-bottom: 12px; color: var(--text-onlight);
}
.service ul{ margin: 0; padding: 0; list-style: none; }
.service li{
  position: relative; padding-left: 18px;
  color: var(--text-onlight-soft); font-size: var(--fs-small);
  margin-bottom: 9px;
}
.service li::before{
  content: ""; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--violet);
}
.pillar:nth-of-type(1) .service li::before{ background: var(--magenta); }
.pillar:nth-of-type(2) .service li::before{ background: var(--cyan); }
.pillar:nth-of-type(3) .service li::before{ background: var(--violet); }

@media (max-width: 860px){
  .pillar{ padding: 28px; }
  .pillar__grid{ grid-template-columns: 1fr; gap: 22px; }
}

/* ---------- CTA band ---------- */
.cta-band{ padding: 80px 0; text-align: center; }
.cta-band__inner{ max-width: 560px; margin: 0 auto; }
.cta-band p{ color: var(--text-ondark-soft); margin: 14px 0 32px; }

/* ---------- Projects ---------- */
.projects{
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card{
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 30px; position: relative; overflow: hidden;
}
.project-card::before{
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
}
.project-card:nth-child(1)::before{ background: linear-gradient(90deg, var(--magenta), #FF8FB3); }
.project-card:nth-child(2)::before{ background: linear-gradient(90deg, var(--cyan), #6FE3F5); }
.project-card:nth-child(3)::before{ background: linear-gradient(90deg, var(--violet), #A78BFA); }
.project-card h4{ font-size: 1.15rem; margin: 14px 0 10px; }
.project-card p{ color: var(--text-onlight-soft); font-size: var(--fs-small); }
.project-card__tag{
  display: inline-block; font-size: var(--fs-micro); font-weight: 700;
  color: var(--violet-deep); background: #F0EAFF;
  padding: 6px 12px; border-radius: var(--radius-pill);
}

@media (max-width: 900px){
  .projects{ grid-template-columns: 1fr; }
}

/* ---------- News ---------- */
.news-grid{
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card{
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease);
}
.news-card:hover{ transform: translateY(-3px); box-shadow: 0 20px 40px -24px rgba(76,29,149,.35); }
.news-card:hover .news-card__title{ text-decoration: underline; }
.news-card a{ color: inherit; }
.news-card__date{ font-size: var(--fs-micro); color: var(--text-onlight-faint); font-weight: 600; }
.news-card__tag{
  display: inline-block; font-size: var(--fs-micro); font-weight: 700;
  margin-left: 8px; padding: 5px 12px; border-radius: var(--radius-pill);
  background: #F0EAFF; color: var(--violet-deep);
}
.news-card:nth-child(3n+2) .news-card__tag{ background: #FFE3ED; color: #C21858; }
.news-card:nth-child(3n) .news-card__tag{ background: #DEF8FC; color: #0A7C93; }
.news-card__title{
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  color: var(--text-onlight); display: block; margin: 16px 0 10px;
}
.news-card__excerpt{ color: var(--text-onlight-soft); font-size: var(--fs-small); }

@media (max-width: 900px){
  .news-grid{ grid-template-columns: 1fr; }
}

.section-head-row{
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 24px; margin-bottom: 44px; flex-wrap: wrap;
}
.section-head-row .btn{ flex: none; }

/* ---------- Contact ---------- */
.contact__grid{
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 56px; align-items: start;
}
.contact-panel{
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-card); padding: 36px; backdrop-filter: blur(6px);
}
.field{ margin-bottom: 18px; }
.field label{
  display: block; font-size: var(--fs-small); font-weight: 700;
  margin-bottom: 8px; color: var(--text-onlight);
}
.field input, .field textarea, .field select{
  width: 100%; border: 1.5px solid var(--surface-border); border-radius: var(--radius-sm);
  padding: 13px 16px; font: inherit; background: var(--surface); color: var(--text-onlight);
}
.field input::placeholder, .field textarea::placeholder{ color: var(--text-onlight-faint); }
.field input:focus, .field textarea:focus, .field select:focus{
  outline: 2px solid var(--violet); outline-offset: 1px; border-color: var(--violet);
}
.field textarea{ resize: vertical; min-height: 120px; }
.field select{ cursor: pointer; }

/* Variante para formularios sobre fondo oscuro (panel de contacto) */
.contact-panel .field label{ color: var(--text-ondark); }
.contact-panel .field input, .contact-panel .field textarea{
  border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.06); color: #fff;
}
.contact-panel .field input::placeholder, .contact-panel .field textarea::placeholder{ color: var(--text-ondark-faint); }
.contact-panel .field input:focus, .contact-panel .field textarea:focus{
  outline-color: var(--cyan); border-color: var(--cyan);
}

.contact-info dt{ font-size: var(--fs-micro); font-weight: 700; color: var(--text-ondark-faint); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.contact-info dd{ margin: 0 0 26px; color: var(--text-ondark); }
.contact-info a{ color: #fff; text-decoration: underline; text-decoration-color: rgba(255,255,255,.35); }

.form-notice{
  padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px;
  font-size: var(--fs-small); font-weight: 600;
}
.form-notice--ok{ background: rgba(0,194,224,.16); color: #7FE9FA; border: 1px solid rgba(0,194,224,.35); }
.form-notice--err{ background: rgba(255,77,141,.16); color: #FFA7C4; border: 1px solid rgba(255,77,141,.35); }

@media (max-width: 860px){
  .contact__grid{ grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); color: var(--text-ondark-soft); padding: 52px 0; }
.site-footer__inner{
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.site-footer__brand{ display: flex; align-items: flex-start; gap: 14px; max-width: 340px; }
.site-footer__mark{ width: 40px; height: auto; flex: none; margin-top: 2px; }
.site-footer__name{ font-family: var(--font-display); font-weight: 700; margin: 0; color: #fff; }
.site-footer__meta{ color: var(--text-ondark-faint); font-size: var(--fs-small); margin: 6px 0 0; }
.site-footer__links{ display: flex; gap: 10px; flex-wrap: wrap; }
.site-footer__links a{ color: var(--text-ondark-soft); font-size: var(--fs-small); padding: 9px 14px; border-radius: var(--radius-pill); }
.site-footer__links a:hover{ background: rgba(255,255,255,.08); text-decoration: none; color: #fff; }
.site-footer__legal{ color: var(--text-ondark-faint); font-size: var(--fs-micro); }

/* ---------- WhatsApp FAB ---------- */
.whatsapp-fab{
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(135deg, var(--magenta), var(--violet));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 32px -10px rgba(124,58,237,.55);
  transition: transform .15s var(--ease);
}
.whatsapp-fab:hover{ transform: translateY(-2px) scale(1.04); }
.whatsapp-fab svg{ width: 25px; height: 25px; }

/* ---------- Blog listing / detail ---------- */
.page-head{ padding: 64px 0 44px; text-align: center; }
.page-head p{ color: var(--text-ondark-soft); font-size: var(--fs-lead); max-width: 56ch; margin: 14px auto 0; }

.filter-row{
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; justify-content: center;
}
.filter-row a{
  font-size: var(--fs-micro); font-weight: 700;
  padding: 9px 16px; border: 1.5px solid rgba(255,255,255,.22); border-radius: var(--radius-pill);
  color: var(--text-ondark-soft);
}
.filter-row a:hover, .filter-row a.is-active{
  color: var(--ink); background: #fff; border-color: #fff; text-decoration: none;
}

.pagination{ display: flex; gap: 10px; justify-content: center; padding: 52px 0 0; }
.pagination a, .pagination span{
  font-size: var(--fs-small); font-weight: 700;
  width: 38px; height: 38px; border: 1.5px solid var(--surface-border); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--text-onlight-soft);
}
.pagination a:hover{ border-color: var(--violet); color: var(--violet); text-decoration: none; }
.pagination .is-active{ background: var(--violet); color: #fff; border-color: var(--violet); }

.post{ padding: 60px 0 100px; background: var(--paper); }
.post__meta{
  display: flex; gap: 12px; align-items: center; justify-content: center;
  font-size: var(--fs-small); color: var(--text-onlight-faint);
  margin-bottom: 20px;
}
.post__meta .chip{ background: #F0EAFF; color: var(--violet-deep); }
.post h1{ max-width: 24ch; margin: 0 auto 20px; text-align: center; }
.post__byline{ text-align: center; color: var(--text-onlight-soft); font-size: var(--fs-small); font-weight: 600; margin-bottom: 28px; }
.post__cover{ border-radius: var(--radius-card); margin: 0 auto 40px; overflow: hidden; max-width: 900px; }
.post__body{ max-width: 68ch; margin: 0 auto; font-size: 1.08rem; }
.post__body p{ margin-bottom: 1.3em; color: #322A50; }
.post__back{ display: block; text-align: center; margin-bottom: 24px; color: var(--text-onlight-soft); font-size: var(--fs-small); font-weight: 600; }

/* ---------- Admin (tema claro, funcional) ---------- */
.admin-body{ background: var(--paper); font-family: var(--font-body); color: var(--text-onlight); }
.admin-shell{ max-width: 980px; margin: 0 auto; padding: 40px 24px 80px; }
.admin-bar{
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; border-bottom: 1px solid var(--surface-border); margin-bottom: 32px;
}
.admin-bar__brand{ font-family: var(--font-display); font-weight: 700; }
.admin-bar a{ font-size: var(--fs-small); color: var(--text-onlight-soft); font-weight: 600; }
.admin-bar a:hover{ color: var(--violet); }
.admin-table{ width: 100%; border-collapse: collapse; font-size: var(--fs-small); }
.admin-table th, .admin-table td{
  text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--surface-border);
}
.admin-table th{ font-size: var(--fs-micro); color: var(--text-onlight-faint); font-weight: 700; text-transform: uppercase; letter-spacing: .03em; }
.admin-actions{ display: flex; gap: 14px; }
.admin-actions button{ background: none; border: none; padding: 0; font: inherit; font-weight: 600; color: var(--magenta); cursor: pointer; }
.admin-actions button:hover{ text-decoration: underline; }
.admin-actions a{ font-weight: 600; }

.login-shell{
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: var(--mesh-dark);
}
.login-card{
  width: 100%; max-width: 380px; background: var(--surface);
  border-radius: var(--radius-card);
  padding: 40px 34px;
}
.login-card h1{ font-size: 1.4rem; margin-bottom: 6px; }
.login-card p{ color: var(--text-onlight-soft); font-size: var(--fs-small); margin-bottom: 26px; }
.login-card .field input{ background: var(--surface); color: var(--text-onlight); border-color: var(--surface-border); }
.login-card .field input:focus{ outline-color: var(--violet); border-color: var(--violet); }

.admin-form .field{ max-width: 640px; }
.admin-form .field input, .admin-form .field textarea{
  background: var(--surface); color: var(--text-onlight); border: 1.5px solid var(--surface-border); border-radius: var(--radius-sm);
}
.admin-form .field input:focus, .admin-form .field textarea:focus{ outline-color: var(--violet); border-color: var(--violet); }
.admin-form textarea.tall{ min-height: 260px; }
.admin-form__row{ display: flex; gap: 14px; margin-top: 24px; }
.admin-form__hint{ color: var(--text-onlight-faint); font-size: var(--fs-micro); margin-top: -12px; margin-bottom: 20px; }

.empty-state{
  border: 1.5px dashed var(--surface-border); border-radius: var(--radius-card);
  padding: 48px 24px; text-align: center; color: var(--text-onlight-soft);
}