/* =========================================================
   ZC Administración — Landing
   ========================================================= */

@font-face{
  font-family: "Distrampler";
  src: url("../assets/fonts/Distrampler.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Satoshi";
  src: url("../assets/fonts/Satoshi-Variable.woff2") format("woff2");
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

:root{
  --navy: #0f161d;
  --navy-soft: #182028;
  --paper: #ffffff;
  --cream: #f7f6f2;
  --header-bg: #cdd1d8;
  --blue: #60778e;
  --blue-deep: #4c6178;
  --sage: #bfcdac;
  --sage-deep: #a9ba91;
  --ink: #1c2430;
  --muted: #5c6672;
  --line: #d7dadf;
  --whatsapp: #25d366;
  --whatsapp-dark: #1fb955;

  --serif: "Distrampler", Georgia, serif;
  --sans: "Satoshi", "Segoe UI", sans-serif;

  --ease: cubic-bezier(.22,1,.36,1);
  --ease-soft: cubic-bezier(.4,0,.2,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ margin:0; font-family: var(--serif); font-weight: 400; }

.container{
  width:100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section{ padding: 120px 0; position: relative; overflow: hidden; }

.eyebrow{
  font-size: 12.5px;
  letter-spacing: .28em;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 14px;
  text-transform: uppercase;
}
.eyebrow-light{ color: rgba(255,255,255,.75); }

.section-title{
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 56px;
  letter-spacing: -.01em;
}
.title-light{ color: #fff; margin-bottom: 28px; }

/* =========================================================
   Reveal-on-scroll
   ========================================================= */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
.cards-grid .reveal:nth-child(2){ transition-delay: .12s; }
.process-grid .reveal:nth-child(2){ transition-delay: .1s; }
.process-grid .reveal:nth-child(3){ transition-delay: .2s; }
.process-grid .reveal:nth-child(4){ transition-delay: .3s; }
.diff-grid .reveal:nth-child(2){ transition-delay: .08s; }
.diff-grid .reveal:nth-child(3){ transition-delay: .16s; }
.diff-grid .reveal:nth-child(4){ transition-delay: .24s; }
.diff-grid .reveal:nth-child(5){ transition-delay: .32s; }

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 30px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), color .35s var(--ease-soft), border-color .35s var(--ease-soft);
  -webkit-tap-highlight-color: transparent;
}
.btn::before{
  content:"";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .45s var(--ease);
}
.btn:hover::before{ transform: scaleX(1); }
.btn:active{ transform: scale(.96); }
.btn .btn-label{ position: relative; z-index: 1; }

.btn-primary{
  background: var(--paper);
  color: var(--navy);
  font-family: var(--serif);
  font-weight: 400;
}
.btn-primary::before{ background: #cdd2d8; }
.btn-primary:hover{ color: var(--navy); box-shadow: 0 10px 26px rgba(0,0,0,.18); transform: translateY(-2px); }

.btn-outline-dark{
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  font-family: var(--serif);
  font-weight: 400;
}
.btn-outline-dark::before{ background: var(--ink); }
.btn-outline-dark:hover{ color: #fff; transform: translateY(-2px); box-shadow: 0 10px 22px rgba(15,22,29,.18); }

.header-cta{ padding: 15px 30px; font-size: 15px; border-radius: 10px; white-space: nowrap; }

.btn-light{
  background: #fff;
  color: var(--navy);
  width: 100%;
}
.btn-light::before{ background: #cdd2d8; }
.btn-light:hover{ transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.28); }

.btn-whatsapp{
  background: var(--whatsapp);
  color: #fff;
  padding: 15px 30px;
  box-shadow: 0 0 0 0 rgba(37,211,102,.55);
  animation: pulse-wa 2.6s infinite;
}
.btn-whatsapp::before{ background: var(--whatsapp-dark); }
.btn-whatsapp:hover{ transform: translateY(-2px) scale(1.02); animation-play-state: paused; box-shadow: 0 10px 24px rgba(37,211,102,.4); }
.wa-icon{ width: 20px; height: 20px; position: relative; z-index: 1; }

@keyframes pulse-wa{
  0%{ box-shadow: 0 0 0 0 rgba(37,211,102,.45); }
  70%{ box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100%{ box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.link-arrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  color: rgba(255,255,255,.85);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.4);
  text-underline-offset: 4px;
  transition: color .3s var(--ease-soft), text-decoration-color .3s var(--ease-soft);
}
.link-arrow:hover{ color: #fff; text-decoration-color: #fff; }
.arrow-down{ display:inline-block; animation: bob 1.8s ease-in-out infinite; }
@keyframes bob{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(4px); }
}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: var(--header-bg);
  transition: padding .35s var(--ease-soft), box-shadow .35s var(--ease-soft), background .35s var(--ease-soft);
}
.site-header.scrolled{
  box-shadow: 0 6px 24px rgba(0,0,0,.08);
}
.site-header .container{ max-width: none; }
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 56px;
  transition: padding .35s var(--ease-soft);
}
.site-header.scrolled .header-inner{ padding: 16px 56px; }

.brand-logo{
  height: 60px;
  width: auto;
  transition: height .35s var(--ease-soft);
}
.site-header.scrolled .brand-logo{ height: 42px; }
.brand{ transition: transform .3s var(--ease-soft); }
.brand:hover{ transform: scale(1.03); }

.main-nav{
  display:flex;
  gap: 46px;
  align-items:center;
  margin-left: auto;
}
.nav-link{
  position: relative;
  font-size: 17px;
  font-family: var(--serif);
  color: var(--ink);
  padding: 4px 0;
}
.nav-link span{ position: relative; }
.nav-link span::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-6px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav-link:hover span::after{ transform: scaleX(1); }

.burger{
  display:none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.burger span{
  display:block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  transition: transform .3s var(--ease-soft), opacity .3s var(--ease-soft);
}
.burger.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity: 0; }
.burger.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position: relative;
  background: var(--navy);
  padding: 200px 0 130px;
  overflow: hidden;
  min-height: 92vh;
  display:flex;
  align-items:center;
}
.hero-watermark{
  position: absolute;
  right: -4vw;
  top: 50%;
  transform: translateY(-50%);
  width: min(48vw, 780px);
  height: auto;
  opacity: 1;
  mix-blend-mode: screen;
  pointer-events: none;
  user-select: none;
  will-change: transform;
}
.hero-inner{ position: relative; z-index: 2; }
.hero .eyebrow{ color: rgba(255,255,255,.5); }
.hero-title{
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.18;
  color: #fff;
  max-width: 900px;
  margin: 0 0 28px;
  letter-spacing: -.01em;
}
.hero-text{
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,.68);
  max-width: 560px;
  margin: 0 0 44px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap: 32px;
  flex-wrap: wrap;
}

/* =========================================================
   Services
   ========================================================= */
.section-blob{
  position: absolute;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}
.section-blob-services{
  top: -60px;
  right: -60px;
  width: 620px;
  height: auto;
}
.section-blob-process{
  top: 50%;
  right: -100px;
  width: 640px;
  height: auto;
  transform: translateY(-50%);
}
.services .container, .process .container{ position: relative; z-index: 1; }

.services .container{ max-width: 1512px; padding: 0 56px; }
.cards-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.service-card{
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 40px 38px 44px;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
}
.service-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(15,22,29,.08);
  border-color: transparent;
}
.badge{
  display:inline-block;
  padding: 9px 20px;
  border-radius: 999px;
  font-family: var(--serif);
  font-size: 14px;
  margin-bottom: 26px;
}
.badge-dark{ background: var(--navy); color: #fff; }
.service-lead{
  font-size: 17.5px;
  line-height: 1.55;
  margin: 0 0 26px;
  color: var(--ink);
}
.service-list{ margin-bottom: 32px; }
.service-list li{
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: var(--muted);
  transition: color .3s var(--ease-soft), padding-left .3s var(--ease-soft);
}
.service-list li:hover{
  color: var(--ink);
  padding-left: 6px;
}

/* =========================================================
   About / Sobre mí
   ========================================================= */
.about{
  background: var(--blue);
  color: #fff;
}
.about-watermark{
  position:absolute;
  left:0; right:0; top:0;
  height: 100px;
  background-image: url("../assets/pattern-strip.png");
  background-repeat: repeat-x;
  background-size: auto 100px;
  background-position: 0 top;
  opacity: 1;
  mix-blend-mode: screen;
  pointer-events:none;
}
.about-watermark-bottom{
  top: auto;
  bottom: 0;
  background-position: 0 bottom;
  transform: scaleY(-1);
}
.about-inner{
  position: relative;
  z-index: 2;
  display:grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 72px;
  align-items:center;
}
.about-photo{
  border-radius: 18px;
  overflow:hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,.25);
  transform: rotate(-1deg);
  transition: transform .5s var(--ease);
}
.about-photo:hover{ transform: rotate(0deg) scale(1.015); }
.about-photo img{ width:100%; height:100%; object-fit: cover; }
.about-text{
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,.82);
  margin: 0 0 20px;
}
.about-text strong{ color: #fff; font-weight: 600; }

/* =========================================================
   Process / Cómo trabajamos
   ========================================================= */
.process-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.process-step{
  padding: 0 30px;
  border-left: 1px solid var(--line);
}
.process-step:first-child{ border-left: none; padding-left: 0; }
.step-number{
  display:block;
  font-family: var(--serif);
  font-size: 54px;
  color: var(--ink);
  margin-bottom: 18px;
  transition: transform .4s var(--ease), color .4s var(--ease);
}
.process-step:hover .step-number{
  transform: translateX(4px);
  color: var(--blue-deep);
}
.process-step p{
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  margin:0;
}

/* =========================================================
   Diferenciales
   ========================================================= */
.diff{ background: var(--sage); }
.diff-watermark{
  position:absolute;
  left:0; right:0; top:0;
  height: 100px;
  background-image: url("../assets/pattern-strip.png");
  background-repeat: repeat-x;
  background-size: auto 100px;
  background-position: 0 top;
  opacity: 1;
  mix-blend-mode: multiply;
  pointer-events:none;
}
.diff-watermark-bottom{
  top: auto;
  bottom: 0;
  background-position: 0 bottom;
  transform: scaleY(-1);
}
.diff .container{ position: relative; z-index: 2; }
.diff .eyebrow{ color: rgba(28,36,48,.55); }
.diff-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.diff-grid .diff-card:nth-child(4){ grid-column: 1 / 2; }
.diff-grid .diff-card:nth-child(5){ grid-column: 2 / 3; }
.diff-card{
  background: transparent;
  border: 1px solid rgba(28,36,48,.35);
  border-radius: 18px;
  padding: 34px 30px;
  transition: transform .45s var(--ease), background .45s var(--ease), box-shadow .45s var(--ease);
}
.diff-card:hover{
  transform: translateY(-6px);
  background: rgba(255,255,255,.35);
  box-shadow: 0 20px 40px rgba(28,36,48,.12);
}
.diff-icon{
  display:inline-flex;
  width: 40px; height: 40px;
  margin-bottom: 20px;
  transition: transform .4s var(--ease);
}
.diff-icon img{ width:100%; height:100%; object-fit: contain; }
.diff-card:hover .diff-icon{ transform: scale(1.15) rotate(-6deg); }
.diff-card h3{
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--ink);
}
.diff-card p{
  font-size: 14.5px;
  line-height: 1.55;
  color: rgba(28,36,48,.7);
  margin:0;
}

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr .8fr;
  gap: 60px;
  align-items: start;
}
.contact-form{
  background: var(--navy);
  border-radius: 22px;
  padding: 44px;
}
.field{ margin-bottom: 26px; }
.field label{
  display:block;
  font-size: 12px;
  letter-spacing: .18em;
  color: rgba(255,255,255,.55);
  margin-bottom: 10px;
}
.field input,
.field textarea{
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,.28);
  color: #fff;
  font-family: var(--sans);
  font-size: 15px;
  padding: 6px 0 12px;
  outline: none;
  resize: none;
  transition: border-color .3s var(--ease-soft);
  position: relative;
}
.field input::placeholder,
.field textarea::placeholder{ color: rgba(255,255,255,.35); }
.field{ position: relative; }
.field::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  height:1px;
  width:0;
  background:#fff;
  transition: width .4s var(--ease);
}
.field:has(:focus)::after{ width:100%; }
.btn-submit{ margin-top: 8px; }

.contact-side-label{
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 18px;
}
.contact-links{
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display:flex;
  flex-direction: column;
  gap: 16px;
}
.contact-link{
  display:flex;
  align-items:center;
  gap: 12px;
  font-size: 14.5px;
  color: var(--ink);
  transition: transform .3s var(--ease-soft), color .3s var(--ease-soft);
}
.contact-link:hover{ transform: translateX(4px); color: var(--blue-deep); }
.contact-icon{
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
  transition: transform .3s var(--ease-soft);
}
.contact-link:hover .contact-icon{ transform: scale(1.08); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background: var(--navy); color: rgba(255,255,255,.6); padding: 64px 0 0; }
.footer-inner{
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding-bottom: 40px;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo{ height: 70px; opacity: .95; }
.footer-nav{ display:flex; gap: 30px; flex-wrap: wrap; }
.footer-nav a{
  font-size: 14.5px;
  color: rgba(255,255,255,.75);
  position: relative;
  transition: color .3s var(--ease-soft);
}
.footer-nav a:hover{ color: #fff; }
.footer-bottom{
  display:flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* =========================================================
   Toast
   ========================================================= */
.toast{
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translate(-50%, 20px);
  background: var(--navy);
  color:#fff;
  padding: 16px 28px;
  border-radius: 999px;
  font-size: 14px;
  opacity: 0;
  pointer-events:none;
  transition: opacity .4s var(--ease), transform .4s var(--ease);
  z-index: 999;
  box-shadow: 0 20px 40px rgba(0,0,0,.25);
}
.toast.show{ opacity:1; transform: translate(-50%, 0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .section{ padding: 90px 0; }
  .cards-grid{ grid-template-columns: 1fr; }
  .about-inner{ grid-template-columns: 1fr; gap: 40px; }
  .about-photo{ max-width: 380px; }
  .process-grid{ grid-template-columns: repeat(2,1fr); row-gap: 40px; }
  .process-step:nth-child(3){ border-left: none; padding-left:0; }
  .diff-grid{ grid-template-columns: repeat(2,1fr); }
  .diff-grid .diff-card:nth-child(4),
  .diff-grid .diff-card:nth-child(5){ grid-column: auto; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .container{ padding: 0 22px; }
  .main-nav{
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
    margin-left: 0;
    z-index: 90;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav .nav-link{ color: #fff; font-size: 20px; }
  .main-nav .nav-link span::after{ background: #fff; }
  .header-cta{ display:none; }
  .burger{ display:flex; }
  .hero{ padding: 150px 0 90px; min-height: unset; }
  .hero-actions{ flex-direction: column; align-items: flex-start; gap: 22px; }
  .diff-grid{ grid-template-columns: 1fr; }
  .process-grid{ grid-template-columns: 1fr; row-gap: 34px; }
  .process-step{ border-left:none; padding-left:0; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
  .footer-bottom{ flex-direction: column; gap: 6px; }
}