:root {
  --ink: #07110f;
  --ink-soft: #10201c;
  --paper: #f4f7f2;
  --paper-deep: #e8eee7;
  --line: rgba(7, 17, 15, 0.17);
  --line-dark: rgba(244, 247, 242, 0.17);
  --mint: #79f6d7;
  --mint-dark: #0f785f;
  --text-soft: #52625d;
  --max-width: 1240px;
  --radius: 1.25rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  background: var(--mint);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(calc(100% - 3rem), var(--max-width)); margin-inline: auto; }
.section { padding-block: 8rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.25rem;
  padding: 0 2.25rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 0.75rem; font-weight: 800; text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--ink);
  color: var(--mint);
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
}
.site-nav { display: flex; align-items: center; gap: 1.75rem; }
.site-nav a { font-size: 0.9rem; font-weight: 700; text-decoration: none; }
.site-nav a:not(.nav-cta):hover { color: var(--mint-dark); }
.language-switch { display: inline-flex; align-items: center; gap: 0.45rem; padding-left: 0.25rem; font-family: "DM Mono", monospace; }
.language-switch a { color: var(--text-soft); font-size: 0.78rem; }
.language-switch a.is-active { color: var(--ink); text-decoration: underline; text-decoration-color: var(--mint-dark); text-decoration-thickness: 2px; text-underline-offset: 0.28rem; }
.language-switch span { color: var(--line); }
.nav-cta { padding: 0.65rem 0.9rem; border: 1px solid var(--ink); border-radius: 999px; }
.nav-cta:hover { background: var(--ink); color: var(--paper); }
.menu-button { display: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.65fr);
  gap: 5rem;
  align-items: end;
  min-height: calc(100svh - 5.25rem);
  padding-block: clamp(6rem, 11vw, 10rem) 5rem;
}
.eyebrow, .section-index, .mini-label {
  margin: 0 0 1.5rem;
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.status-dot { display: inline-block; width: 0.55rem; height: 0.55rem; margin-right: 0.65rem; border-radius: 50%; background: var(--mint-dark); box-shadow: 0 0 0 0.28rem rgba(15, 120, 95, 0.13); }
h1, h2, h3, p { text-wrap: pretty; }
h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 7.1rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.072em;
}
.hero-lead { max-width: 44rem; margin: 2rem 0 0; color: var(--text-soft); font-size: clamp(1.08rem, 1.8vw, 1.35rem); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.25rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; min-height: 3.4rem; padding: 0 1.3rem; border-radius: 999px; font-weight: 800; text-decoration: none; transition: transform 160ms ease, background 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--paper); }
.button-primary:hover { background: var(--mint-dark); }
.button-secondary { border: 1px solid var(--line); }
.button-secondary:hover { border-color: var(--ink); }

.hero-console { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink); color: var(--paper); box-shadow: 0 2rem 5rem rgba(7, 17, 15, 0.16); }
.console-bar { display: flex; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line-dark); font-family: "DM Mono", monospace; font-size: 0.75rem; }
.console-state { color: var(--mint); }
.hero-console pre { overflow: auto; margin: 0; padding: 2rem 1.5rem; font-family: "DM Mono", monospace; font-size: 0.83rem; line-height: 1.8; }
.code-key { color: #a9b8b3; }
.code-value { color: var(--mint); }
.profile-photo-wrap { aspect-ratio: 4 / 5; overflow: hidden; background: #eeeaf7; }
.profile-photo { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 28%; }
.profile-photo-caption { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 1rem 1.25rem; border-top: 1px solid var(--line-dark); }
.profile-photo-caption strong { font-size: 0.9rem; }
.profile-photo-caption span { color: #a9b8b3; font-family: "DM Mono", monospace; font-size: 0.7rem; text-align: right; }
.console-metrics { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); }
.console-metrics div { padding: 1.1rem 0.8rem; border-right: 1px solid var(--line-dark); }
.console-metrics div:last-child { border-right: 0; }
.console-metrics strong, .console-metrics span { display: block; }
.console-metrics strong { font-size: 0.95rem; }
.console-metrics span { color: #a9b8b3; font-size: 0.7rem; }

.signal-strip { display: flex; overflow: hidden; gap: 2.5rem; padding: 1.1rem 2rem; background: var(--mint); font-family: "DM Mono", monospace; font-size: 0.78rem; font-weight: 500; text-transform: uppercase; white-space: nowrap; }
.signal-strip span::after { content: "/"; margin-left: 2.5rem; opacity: 0.5; }
.section-heading { display: grid; grid-template-columns: 0.45fr 1.2fr 0.65fr; gap: 2rem; align-items: start; margin-bottom: 4rem; }
.section-heading h2 { max-width: 13ch; margin: 0; font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 1; letter-spacing: -0.055em; }
.section-heading > p:last-child { margin: 0; color: var(--text-soft); font-size: 1.05rem; }

.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.project-card { display: flex; flex-direction: column; min-height: 35rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,0.34); transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease; }
.project-card:hover { transform: translateY(-4px); border-color: rgba(7, 17, 15, 0.38); box-shadow: 0 1.3rem 3rem rgba(7, 17, 15, 0.08); }
.project-featured { grid-column: 1 / -1; min-height: 31rem; background: var(--paper-deep); }
.project-topline { display: flex; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid var(--line); font-family: "DM Mono", monospace; font-size: 0.75rem; text-transform: uppercase; }
.project-body { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3rem; flex: 1; padding-block: 3rem; }
.project-body h3 { max-width: 13ch; margin: 0 0 1.25rem; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -0.05em; }
.project-body > div:first-child > p { max-width: 43rem; color: var(--text-soft); }
.project-meta { align-self: end; }
.project-meta p { margin: 0; padding: 0.75rem 0; border-top: 1px solid var(--line); font-size: 0.88rem; }
.project-meta span { display: block; margin-bottom: 0.15rem; color: var(--text-soft); font-family: "DM Mono", monospace; font-size: 0.67rem; text-transform: uppercase; }
.project-link { display: flex; justify-content: space-between; align-items: center; padding-top: 1rem; border-top: 1px solid var(--line); font-weight: 800; text-decoration: none; }
.project-link:hover { color: var(--mint-dark); }

.section-dark { background: var(--ink); color: var(--paper); }
.experience-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(4rem, 10vw, 10rem); }
.section-dark .section-heading { display: block; margin: 0; }
.section-dark .section-heading h2 { margin-bottom: 2rem; }
.section-dark .section-heading > p:last-child { max-width: 30rem; color: #a9b8b3; }
.section-heading-sticky { position: sticky; top: 8rem; align-self: start; }
.timeline { border-top: 1px solid var(--line-dark); }
.timeline-item { position: relative; padding: 2.5rem 0 3.25rem 2rem; border-bottom: 1px solid var(--line-dark); }
.timeline-marker { position: absolute; top: 3rem; left: -0.35rem; width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--mint); }
.timeline-date { margin: 0 0 1rem; color: var(--mint); font-family: "DM Mono", monospace; font-size: 0.76rem; text-transform: uppercase; }
.timeline-item h3 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.15; }
.timeline-company { margin: 0.5rem 0 1.25rem; color: #a9b8b3; }
.timeline-item ul { margin: 0; padding-left: 1.1rem; color: #c9d4d0; }
.timeline-item li + li { margin-top: 0.55rem; }

.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.expertise-card { min-height: 20rem; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.expertise-number { font-family: "DM Mono", monospace; font-size: 0.75rem; }
.expertise-card h3 { margin: 5rem 0 1rem; font-size: 1.5rem; line-height: 1.15; }
.expertise-card p { margin: 0; color: var(--text-soft); font-size: 0.92rem; }
.stack-panel { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 5rem; margin-top: 4rem; padding: 2.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink); color: var(--paper); }
.stack-intro h3 { max-width: 15ch; margin: 0 0 1.25rem; font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1.05; letter-spacing: -0.04em; }
.stack-intro > p:last-child { max-width: 28rem; margin: 0; color: #a9b8b3; }
.stack-groups { display: grid; grid-template-columns: repeat(2, 1fr); }
.stack-group { padding: 1.2rem 1.4rem; border-top: 1px solid var(--line-dark); }
.stack-group:nth-child(odd) { border-right: 1px solid var(--line-dark); }
.stack-group h4 { margin: 0 0 0.55rem; color: var(--mint); font-family: "DM Mono", monospace; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.stack-group p { margin: 0; color: #d5ddda; font-size: 0.88rem; }
.education-languages { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; margin-top: 6rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.education-languages h3 { margin: 1.75rem 0 0.25rem; font-size: 1.1rem; }
.education-languages h3:first-of-type { margin-top: 0; }
.education-languages p:not(.mini-label) { margin: 0; color: var(--text-soft); }
.language-list { margin: 0; padding: 0; list-style: none; }
.language-list li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
.language-list strong { font-size: 0.9rem; }

.contact { padding-block: 8rem; }
.contact-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 5rem; align-items: end; }
.contact h2 { max-width: 13ch; margin: 0; font-size: clamp(3rem, 7vw, 6.8rem); line-height: 0.95; letter-spacing: -0.065em; }
.contact-copy > p { margin: 0 0 2rem; color: var(--text-soft); font-size: 1.1rem; }
.button-whatsapp { background: #25d366; color: #07110f; }
.button-whatsapp:hover { background: #1fb855; }

.contact-email, .contact-phone, .contact-linkedin, .contact-whatsapp { display: block; width: fit-content; font-weight: 800; text-decoration: none; }
.contact-email { padding-bottom: 0.3rem; border-bottom: 1px solid var(--ink); font-size: clamp(1rem, 1.8vw, 1.25rem); }
.contact-phone, .contact-linkedin, .contact-whatsapp { margin-top: 0.8rem; color: var(--text-soft); }
.contact-linkedin, .contact-whatsapp { padding-bottom: 0.15rem; border-bottom: 1px solid var(--line); }
.contact-email:hover, .contact-phone:hover, .contact-linkedin:hover, .contact-whatsapp:hover { color: var(--mint-dark); }

.whatsapp-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3.4rem;
  padding: 0.45rem 1.1rem 0.45rem 0.45rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  box-shadow: 0 1.1rem 2.4rem rgba(7, 17, 15, 0.22);
  transition: transform 160ms ease, background 160ms ease;
}
.whatsapp-float:hover { transform: translateY(-3px); background: #10201c; }
.whatsapp-icon-wrap {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
}
.whatsapp-float-copy { display: grid; line-height: 1.15; }
.whatsapp-float-label { color: var(--mint); font-family: "DM Mono", monospace; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.whatsapp-float-text { font-size: 0.84rem; font-weight: 700; }

.whatsapp-mobile {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  gap: 0.5rem;
  padding: 0.75rem 0.75rem calc(0.75rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(16px);
}
.whatsapp-mobile-call {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  color: var(--ink);
}
.whatsapp-mobile-chat {
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  height: 3rem;
  border-radius: 0.7rem;
  background: #25d366;
  color: #07110f;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem 2.25rem; border-top: 1px solid var(--line); font-family: "DM Mono", monospace; font-size: 0.73rem; text-transform: uppercase; }
.site-footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(1rem); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button, .project-card { transition: none; }
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 4rem; align-items: start; }
  .hero-console { max-width: 34rem; }
  .section-heading { grid-template-columns: 0.4fr 1fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .experience-layout { grid-template-columns: 1fr; }
  .section-heading-sticky { position: static; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-panel { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .section-shell { width: min(calc(100% - 2rem), var(--max-width)); }
  .section { padding-block: 5.5rem; }
  .site-header { min-height: 4.6rem; padding: 0 1rem; }
  .brand-name { display: none; }
  .menu-button { display: block; min-height: 2.65rem; padding: 0 0.9rem; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--ink); font: 700 0.85rem "Manrope", sans-serif; }
  .site-nav { position: absolute; top: 4.6rem; left: 0; right: 0; display: none; align-items: stretch; padding: 1rem; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 1rem 2rem rgba(7, 17, 15, 0.08); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 0.65rem; }
  .language-switch { padding: 0.5rem 0.65rem; }
  .language-switch a { padding: 0; }
  .nav-cta { margin-top: 0.25rem; text-align: center; }
  .hero { min-height: auto; padding-block: 5rem; }
  .hero-profile-card { width: min(100%, 28rem); }
  h1 { font-size: clamp(3.25rem, 16vw, 5.1rem); }
  .section-heading { display: block; }
  .section-heading h2 { margin-bottom: 1.5rem; }
  .projects { grid-template-columns: 1fr; }
  .project-featured { grid-column: auto; }
  .project-card { min-height: auto; }
  .project-body { grid-template-columns: 1fr; gap: 2rem; padding-block: 2.5rem; }
  .project-body h3 { font-size: 2.4rem; }
  .expertise-grid { grid-template-columns: 1fr; }
  .stack-panel { padding: 1.5rem; }
  .stack-groups { grid-template-columns: 1fr; }
  .stack-group:nth-child(odd) { border-right: 0; }
  .expertise-card { min-height: 15rem; }
  .expertise-card h3 { margin-top: 3.5rem; }
  .education-languages { grid-template-columns: 1fr; gap: 4rem; }
  .contact { padding-block: 5.5rem; }
  .contact h2 { font-size: clamp(3.2rem, 15vw, 5rem); }
  .contact-grid { gap: 3rem; }
  .whatsapp-float { display: none; }
  .whatsapp-mobile { display: flex; }
  body { padding-bottom: 5.25rem; }
  .site-footer { display: block; padding-inline: 1rem; }
  .site-footer p + p { margin-top: 0.3rem; }
}

@media (max-width: 430px) {
  .console-metrics { grid-template-columns: 1fr; }
  .console-metrics div { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .console-metrics div:last-child { border-bottom: 0; }
  .hero-actions .button { width: 100%; }
  .contact-email { font-size: 0.94rem; }
}