/* ============================================================
   TOKENS
   ============================================================ */
:root{
  --navy-950: #0F2438;
  --navy-800: #16324F;
  --navy-700: #1E4066;
  --teal-600: #1F7A6C;
  --teal-500: #2A9D8F;
  --amber-500: #E3A008;
  --amber-400: #F2B90F;
  --paper: #F7F4EC;
  --paper-card: #FFFFFF;
  --ink: #1B2430;
  --ink-soft: #4A5568;
  --line: rgba(22, 50, 79, 0.14);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 4px;
  --wrap: 1120px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3{
  font-family: var(--font-display);
  color: var(--navy-950);
  margin: 0 0 0.4em;
  line-height: 1.1;
}

a{ color: inherit; text-decoration: none; }

.mono{ font-family: var(--font-mono); }

:focus-visible{
  outline: 2px solid var(--teal-600);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.nav-toggle{ display: none; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 236, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark{
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--navy-950);
  color: var(--amber-400);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.5px;
}

.brand-logo{
    height: 38px;
    width: 38px;
}

.brand-name{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  color: var(--navy-950);
}

.brand-suffix{
  color: var(--teal-600);
  font-style: italic;
}

.site-nav{
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 15px;
  font-weight: 500;
}

.site-nav a{
  color: var(--navy-800);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover{ border-bottom-color: var(--teal-600); }

.nav-cta{
  background: var(--navy-950);
  color: var(--paper) !important;
  padding: 10px 18px !important;
  border-radius: var(--radius);
  border: none !important;
}

.nav-cta:hover{ background: var(--teal-600); }

.nav-burger{
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}

.nav-burger span{
  width: 22px;
  height: 2px;
  background: var(--navy-950);
  display: block;
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position: relative;
  padding: 88px 0 96px;
  overflow: hidden;
}

.ledger-lines{
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 43px,
    var(--line) 43px,
    var(--line) 44px
  );
  mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
  pointer-events: none;
}

.hero-inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-600);
  margin: 0 0 18px;
}

.hero-copy h1{
  font-size: clamp(2.6rem, 4.6vw, 3.8rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.hero-lede{
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 22px 0 34px;
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn{
  display: inline-block;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-primary{
  background: var(--navy-950);
  color: var(--paper);
}
.btn-primary:hover{ background: var(--teal-600); transform: translateY(-1px); }

.btn-ghost{
  border: 1px solid var(--navy-800);
  color: var(--navy-950);
}
.btn-ghost:hover{ background: var(--navy-950); color: var(--paper); }

/* Ledger card, the signature element */
.ledger-card{
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 50px -25px rgba(15, 36, 56, 0.35);
  padding: 26px 28px 20px;
}

.ledger-card-head{
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--navy-700);
  border-bottom: 2px solid var(--navy-950);
  padding-bottom: 10px;
  margin-bottom: 4px;
}

.ledger-row{
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
}

.ledger-row .mono{
  color: var(--teal-600);
  font-weight: 600;
  font-size: 13.5px;
}

.ledger-total{
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 14px;
  border-top: 2px solid var(--navy-950);
  font-weight: 600;
}

.ledger-total .mono{
  color: var(--amber-500);
  background: var(--navy-950);
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

/* ============================================================
   SECTION SHARED
   ============================================================ */
.section-title{
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 500;
}

.section-sub{
  color: var(--ink-soft);
  max-width: 60ch;
  font-size: 16.5px;
  margin: 0 0 44px;
}

.section-title.light{ color: var(--paper); }
.section-sub.light{ color: rgba(247, 244, 236, 0.78); }

/* ============================================================
   SERVICIOS
   ============================================================ */
.services{ padding: 88px 0; }

.service-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card{
  background: var(--paper-card);
  padding: 34px 32px;
  position: relative;
}

.service-tag{
  font-family: var(--font-mono);
  color: var(--amber-500);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.service-card h3{
  font-size: 20px;
  font-weight: 500;
  margin-top: 12px;
}

.service-card p{
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0;
}

/* ============================================================
   SOBRE MI
   ============================================================ */
.about{
  background: var(--navy-950);
  color: var(--paper);
  padding: 96px 0;
}

.about .section-title,
.about-copy p{ color: var(--paper); }

.about .section-title{ color: var(--paper); }

.about-inner{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
}

.about-figure-frame{
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(247, 244, 236, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--amber-400);
  background: rgba(255,255,255,0.03);
}

.about-copy p{
  color: rgba(247, 244, 236, 0.82);
  max-width: 62ch;
  font-size: 16px;
}

.credentials{
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 10px 40px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--teal-500);
}

.credentials li::before{
  content: "— ";
  color: var(--amber-400);
}

/* ============================================================
   REDES
   ============================================================ */
.social{ padding: 88px 0; }

.social-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.social-card{
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.social-card:hover{
  border-color: var(--teal-600);
  transform: translateY(-2px);
}

.social-icon{
  font-size: 22px;
  color: var(--teal-600);
  margin-bottom: 6px;
}

.social-label{
  font-weight: 600;
  font-size: 16px;
  color: var(--navy-950);
}

.social-handle{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact{
  background: var(--teal-600);
  color: var(--paper);
  padding: 80px 0;
}

.contact-inner{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.contact-details{
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 16px;
}

.contact-line{
  border-bottom: 1px solid rgba(247, 244, 236, 0.35);
  padding-bottom: 10px;
  width: fit-content;
}

.contact-location{ opacity: 0.85; font-size: 14px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  background: var(--navy-950);
  color: rgba(247, 244, 236, 0.6);
  padding: 22px 0;
  font-size: 13px;
}

.footer-inner{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px){
  .hero-inner{ grid-template-columns: 1fr; }
  .about-inner{ grid-template-columns: 1fr; }
  .about-figure{ display: flex; justify-content: center; }
  .contact-inner{ grid-template-columns: 1fr; text-align: left; }
  .service-grid{ grid-template-columns: 1fr; }
  .social-grid{ grid-template-columns: 1fr; }
  .credentials{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-burger{ display: flex; }

  .site-nav{
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .site-nav a{
    width: 100%;
    padding: 16px 32px;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta{
    border-radius: 0 !important;
    text-align: center;
  }

  .nav-toggle:checked ~ .site-header .site-nav{
    max-height: 320px;
  }

  .wrap{ padding: 0 20px; }
}