:root {
  --paper: #f3f0e7;
  --surface: #fbfaf5;
  --ink: #172024;
  --muted: #5c6668;
  --line: #c9c8bf;
  --dark: #101b1f;
  --teal: #1f6670;
  --signal: #e76232;
  --max: 1180px;
  --pad: clamp(1.15rem, 3vw, 2.4rem);
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image: radial-gradient(circle, rgba(23, 32, 36, .14) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: .18;
  pointer-events: none;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed;
  top: .7rem;
  left: .7rem;
  z-index: 100;
  padding: .7rem 1rem;
  color: white;
  background: var(--dark);
}

.section-shell {
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding-inline: max(var(--pad), calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid transparent;
  background: rgba(243, 240, 231, .94);
  backdrop-filter: blur(12px);
  transition: border-color .2s ease;
}

.site-header.is-scrolled { border-color: var(--line); }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand-mark { display: grid; width: 38px; aspect-ratio: 1; place-items: center; color: white; background: var(--dark); font: 700 .82rem/1 var(--mono); }
.brand-copy { font: 600 .72rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }

.site-nav { display: flex; align-items: center; gap: 1.7rem; }
.site-nav a { position: relative; font: 600 .78rem/1 var(--mono); letter-spacing: .03em; text-decoration: none; }
.site-nav a:not(.nav-contact)::after { position: absolute; right: 0; bottom: -.5rem; left: 0; height: 1px; content: ""; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }
.nav-contact { padding: .65rem .9rem; color: white; background: var(--dark); }
.menu-button { display: none; border: 0; background: transparent; }

.hero {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
  min-height: calc(100svh - 74px);
  padding-block: clamp(4rem, 9vw, 7.5rem);
}

.eyebrow,
.section-index,
.kicker,
.certificate-meta,
.panel-meta,
.panel-footer {
  font-family: var(--mono);
  letter-spacing: .045em;
  text-transform: uppercase;
}

.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.5rem; color: var(--muted); font-size: .72rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #2d8a64; box-shadow: 0 0 0 4px rgba(45, 138, 100, .14); }

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.8rem, 6.5vw, 5.3rem);
  font-weight: 620;
  letter-spacing: -.065em;
  line-height: .98;
}

.hero-lead { max-width: 650px; margin: 1.8rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.4rem; min-height: 48px; padding: .75rem 1rem; border: 1px solid var(--ink); font: 650 .78rem/1 var(--mono); text-decoration: none; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--dark); }
.button-secondary { background: transparent; }
.button-secondary:hover { color: white; background: var(--teal); }

.quick-stats { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 660px; margin: 3rem 0 0; border-block: 1px solid var(--line); }
.quick-stats div { padding: 1rem 1rem 1rem 0; }
.quick-stats div + div { padding-left: 1rem; border-left: 1px solid var(--line); }
.quick-stats dt { font-size: 1rem; font-weight: 700; }
.quick-stats dd { margin: .15rem 0 0; color: var(--muted); font-size: .74rem; }

.hero-panel { position: relative; min-height: 520px; padding: 1.3rem; overflow: hidden; color: #e8eeea; background: var(--dark); isolation: isolate; }
.hero-panel::before { position: absolute; inset: 0; z-index: -1; content: ""; background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px); background-size: 42px 42px; }
.hero-panel::after { position: absolute; top: 0; right: 0; width: 11px; height: 36%; content: ""; background: var(--signal); }
.panel-meta { display: flex; justify-content: space-between; color: #9db0b3; font-size: .68rem; }
.profile-portrait { position: absolute; inset: 3.35rem 1.3rem 4rem; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.24); background: #d9131c; }
.profile-portrait img { width: 108%; max-width: none; height: 108%; object-fit: cover; object-position: 50% 48%; transform: translate(-3.7%, -3.7%); }
.photo-mark { position: absolute; right: .9rem; bottom: 2.6rem; z-index: 2; padding: .5rem .62rem; color: var(--dark); background: var(--signal); font: 800 .72rem/1 var(--mono); }
.panel-footer { position: absolute; right: 1.3rem; bottom: 1.3rem; left: 1.3rem; display: flex; justify-content: space-between; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.2); color: #b4c2c4; font-size: .64rem; }

.section-rule { padding-block: clamp(5.5rem, 10vw, 9rem); border-top: 1px solid var(--line); }
.section-index { margin-bottom: 2.5rem; color: var(--teal); font-size: .72rem; }
.section-title { max-width: 780px; margin: 0; font-size: clamp(2.2rem, 4.5vw, 4.1rem); font-weight: 580; letter-spacing: -.055em; line-height: 1.02; }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem, 9vw, 8rem); align-items: start; }
.about-copy { padding-top: .3rem; }
.about-copy p { margin: 0 0 1.2rem; color: var(--muted); font-size: clamp(1rem, 1.45vw, 1.2rem); }
.about-links { display: flex; flex-wrap: wrap; gap: 1rem 1.4rem; margin-top: 1.7rem; }
.text-link { display: inline-flex; gap: .6rem; align-items: center; padding-bottom: .12rem; border-bottom: 1px solid currentColor; color: var(--ink); font: 650 .78rem/1.5 var(--mono); text-decoration: none; }
.text-link:hover { color: var(--signal); }

.capabilities .section-title { margin-bottom: 3rem; }
.capability-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.capability-card { position: relative; min-height: 290px; padding: clamp(1.4rem, 3vw, 2.4rem); border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: rgba(251, 250, 245, .55); }
.card-number { color: var(--teal); font: .7rem/1 var(--mono); }
.capability-card h3 { margin: 3.2rem 0 .75rem; font-size: clamp(1.5rem, 2.5vw, 2.2rem); font-weight: 600; letter-spacing: -.035em; }
.capability-card p { max-width: 520px; margin: 0; color: var(--muted); }
.tag-list { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.6rem 0 0; padding: 0; list-style: none; }
.tag-list li { padding: .38rem .55rem; border: 1px solid var(--line); font: .65rem/1 var(--mono); text-transform: uppercase; }

.experience-list { border-top: 1px solid var(--ink); }
.experience-item { display: grid; grid-template-columns: minmax(180px, .36fr) 1fr; gap: clamp(2rem, 8vw, 8rem); padding-block: 3rem; border-bottom: 1px solid var(--line); }
.experience-time { display: flex; flex-direction: column; gap: .2rem; font: .72rem/1.4 var(--mono); text-transform: uppercase; }
.experience-time small { color: var(--muted); }
.kicker { margin: 0 0 .65rem; color: var(--teal); font-size: .7rem; }
.experience-content h2 { margin: 0 0 1rem; font-size: clamp(1.7rem, 3.3vw, 3rem); font-weight: 600; letter-spacing: -.045em; line-height: 1.05; }
.experience-content > p:not(.kicker) { max-width: 760px; margin: 0; color: var(--muted); font-size: 1.03rem; }
.responsibility-list { display: grid; gap: .5rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.responsibility-list li { position: relative; padding-left: 1.2rem; }
.responsibility-list li::before { position: absolute; top: .72em; left: 0; width: 6px; height: 1px; content: ""; background: var(--signal); }

.section-heading-row { display: flex; gap: 3rem; align-items: end; justify-content: space-between; margin-bottom: 3rem; }
.section-heading-row p { max-width: 280px; margin: 0; color: var(--muted); font-size: .9rem; }
.certificate-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.certificate-card { display: grid; grid-template-columns: .95fr 1.05fr; min-height: 300px; overflow: hidden; border: 1px solid var(--ink); background: var(--surface); }
.certificate-card-wide { grid-column: 1 / -1; grid-template-columns: 1.12fr .88fr; }
.certificate-preview { position: relative; min-height: 230px; padding: 0; overflow: hidden; border: 0; border-right: 1px solid var(--ink); cursor: zoom-in; background: #e7e7e2; }
.certificate-preview img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.certificate-preview:hover img { transform: scale(1.025); }
.certificate-preview span { position: absolute; right: .65rem; bottom: .65rem; padding: .45rem .6rem; color: white; background: var(--dark); font: .62rem/1 var(--mono); text-transform: uppercase; }
.certificate-body { display: flex; flex-direction: column; align-items: flex-start; padding: clamp(1.25rem, 2.4vw, 2rem); }
.certificate-meta { display: flex; width: 100%; justify-content: space-between; gap: .5rem; color: var(--muted); font-size: .62rem; }
.certificate-body h3 { margin: auto 0 .7rem; font-size: clamp(1.25rem, 2vw, 2rem); letter-spacing: -.035em; line-height: 1.1; }
.certificate-body p { margin: 0 0 1.2rem; color: var(--muted); font-size: .87rem; }
.certificate-body .text-link { margin-top: auto; }

.additional-credentials { display: grid; grid-template-columns: .55fr 1fr; gap: 2rem; margin-top: 3.5rem; }
.additional-credentials > p { margin: 0; color: var(--muted); font: .7rem/1.5 var(--mono); text-transform: uppercase; }
.additional-credentials ul { margin: 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.additional-credentials li { display: flex; gap: 1rem; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.additional-credentials small { color: var(--muted); font: .62rem/1.5 var(--mono); text-transform: uppercase; }

.education-card { display: grid; grid-template-columns: 1fr .7fr; gap: 2rem; align-items: end; padding: 2.5rem 0; border-block: 1px solid var(--ink); }
.education-card h2 { margin: .35rem 0 0; font-size: clamp(2rem, 4vw, 3.6rem); font-weight: 590; letter-spacing: -.05em; line-height: 1; }
.education-card p { margin: 0; color: var(--muted); font-size: 1.1rem; }

.contact { padding-block: clamp(2rem, 6vw, 5rem) clamp(5rem, 9vw, 8rem); }
.contact-card { padding: clamp(1.5rem, 5vw, 4.5rem); color: white; background: var(--dark); }
.contact-card .eyebrow { color: #9db0b3; }
.contact-card h2 { max-width: 900px; margin: 0 0 3rem; font-size: clamp(2.2rem, 5.2vw, 4.8rem); font-weight: 560; letter-spacing: -.06em; line-height: 1.02; }
.contact-links { border-top: 1px solid rgba(255,255,255,.28); }
.contact-links > * { display: grid; grid-template-columns: 130px 1fr auto; gap: 1rem; align-items: center; padding: 1.1rem 0; border-bottom: 1px solid rgba(255,255,255,.18); text-decoration: none; }
.contact-links span { color: #9db0b3; font: .65rem/1 var(--mono); text-transform: uppercase; }
.contact-links strong { overflow-wrap: anywhere; font-size: .95rem; font-weight: 500; }
.contact-links b { color: var(--signal); font-weight: 400; transition: transform .2s ease; }
.contact-links a:hover b { transform: translate(3px, -3px); }
.contact-static b { color: #9db0b3; }

.whatsapp-button { position: fixed; right: max(1rem, calc((100vw - var(--max)) / 2)); bottom: 1rem; z-index: 20; display: inline-flex; align-items: center; gap: .55rem; padding: .7rem .85rem; border: 1px solid rgba(255,255,255,.26); color: white; background: var(--dark); box-shadow: 0 8px 26px rgba(10, 20, 22, .18); font: 650 .68rem/1 var(--mono); text-decoration: none; text-transform: uppercase; transition: transform .2s ease, background .2s ease; }
.whatsapp-button span { width: 8px; height: 8px; border-radius: 50%; background: #36c96b; box-shadow: 0 0 0 4px rgba(54,201,107,.14); }
.whatsapp-button:hover { background: #174b32; transform: translateY(-2px); }

.site-footer { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding-block: 1.4rem; border-top: 1px solid var(--line); color: var(--muted); font: .65rem/1.4 var(--mono); text-transform: uppercase; }
.site-footer p { margin: 0; }
.site-footer p:nth-child(2) { text-align: center; }
.site-footer a { text-align: right; text-decoration: none; }

.certificate-dialog { width: min(1120px, calc(100% - 2rem)); max-height: calc(100svh - 2rem); padding: 0; border: 1px solid var(--ink); background: var(--surface); }
.certificate-dialog::backdrop { background: rgba(5, 12, 15, .82); backdrop-filter: blur(4px); }
.dialog-bar { display: flex; align-items: center; justify-content: space-between; padding: .8rem 1rem; border-bottom: 1px solid var(--ink); }
.dialog-bar h2 { margin: 0; font: 650 .75rem/1.4 var(--mono); text-transform: uppercase; }
.dialog-bar button { display: grid; width: 36px; aspect-ratio: 1; place-items: center; padding: 0; border: 0; color: white; cursor: pointer; background: var(--dark); font-size: 1.3rem; }
.dialog-image-wrap { max-height: calc(100svh - 6rem); overflow: auto; background: #e1e1dc; }
.dialog-image-wrap img { width: 100%; height: auto; }

.motion-ready .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.motion-ready .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-panel { min-height: 450px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-copy { max-width: 720px; }
  .certificate-card, .certificate-card-wide { grid-template-columns: 1fr; }
  .certificate-preview { min-height: 270px; border-right: 0; border-bottom: 1px solid var(--ink); }
}

@media (max-width: 680px) {
  .site-header { min-height: 64px; }
  .motion-ready .menu-button { display: grid; width: 42px; height: 42px; place-content: center; gap: 6px; cursor: pointer; }
  .menu-button span:not(.sr-only) { display: block; width: 21px; height: 1px; background: var(--ink); transition: transform .2s ease; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: absolute; top: 64px; right: 0; left: 0; flex-direction: column; align-items: stretch; gap: 0; padding: .7rem var(--pad) 1rem; border-bottom: 1px solid var(--ink); background: var(--paper); }
  .motion-ready .site-nav { display: none; }
  .motion-ready .site-nav.is-open { display: flex; }
  .site-nav a { padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .site-nav .nav-contact { margin-top: .7rem; padding-inline: .9rem; border-bottom: 0; }
  .brand-copy { display: none; }
  .hero { padding-block: 4rem 5rem; }
  .hero h1 { font-size: clamp(2.65rem, 13vw, 4.5rem); }
  .hero-panel { min-height: 360px; }
  .quick-stats { grid-template-columns: 1fr; }
  .quick-stats div + div { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 245px; }
  .experience-item { grid-template-columns: 1fr; gap: 1.5rem; }
  .experience-time { flex-direction: row; justify-content: space-between; }
  .section-heading-row { align-items: start; flex-direction: column; gap: 1.2rem; }
  .certificate-grid { grid-template-columns: 1fr; }
  .certificate-card-wide { grid-column: auto; }
  .certificate-preview { min-height: 220px; }
  .additional-credentials { grid-template-columns: 1fr; }
  .additional-credentials li { align-items: start; flex-direction: column; gap: .2rem; }
  .education-card { grid-template-columns: 1fr; }
  .contact-links > * { grid-template-columns: 82px 1fr auto; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer p:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .motion-ready .reveal { opacity: 1; transform: none; }
}