/* Vazgra Solutions. Static, self-contained, and intentionally without JavaScript. */
:root {
  color-scheme: light;
  --paper: #fafbf8;
  --surface: #fff;
  --ink: #202823;
  --muted: #59625b;
  --quiet: #626d64;
  --accent: #315d48;
  --accent-dark: #244934;
  --tint: #edf2eb;
  --line: #dce1d9;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
::selection { background: #d9e6d8; color: var(--ink); }
a { color: inherit; text-decoration: none; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
  border-radius: 2px;
}
svg { display: block; max-width: 100%; }
figure, p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { font-weight: 600; line-height: 1.15; }
h2 { font-size: clamp(1.85rem, 3.25vw, 2.625rem); letter-spacing: -.045em; }
h3 { letter-spacing: -.025em; }
.container { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.mono { font-family: var(--mono); font-weight: 400; }
.eyebrow {
  font-size: .6875rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.section-label {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  color: var(--muted);
  font-size: .625rem;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: .09em;
}
.section-label .mono { color: var(--accent); font-size: .6875rem; letter-spacing: 0; flex-shrink: 0; }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.skip-link {
  position: absolute;
  top: 12px;
  left: 16px;
  z-index: 5;
  padding: 12px 20px;
  color: var(--surface);
  background: var(--accent);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

/* Header and navigation */
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 88px; }
.wordmark { display: inline-flex; align-items: center; gap: .28em; min-height: 44px; font-size: 1.3125rem; font-weight: 650; letter-spacing: -.045em; white-space: nowrap; }
.wordmark span { font-weight: 400; }
.desktop-nav { display: flex; align-items: center; gap: 26px; }
.desktop-nav a { display: flex; align-items: center; min-height: 44px; color: var(--muted); font-size: .8125rem; transition: color .15s ease; }
.desktop-nav a:hover { color: var(--accent); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-height: 50px;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--surface);
  background: var(--accent);
  font-size: .8125rem;
  font-weight: 500;
  line-height: 1.4;
  transition: background .15s ease, border-color .15s ease;
}
.button:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button span { font-size: 1.1rem; }
.button-small { min-height: 44px; padding: 10px 16px; gap: 22px; font-size: .75rem; }
.header-cta { color: var(--ink); background: transparent; border-color: var(--line); }
.header-cta:hover { background: var(--tint); border-color: #b5c5b7; }
.mobile-menu { display: none; }

/* Hero: typography and original illustrative geometry */
.hero {
  display: grid;
  grid-template-columns: 1.13fr 1fr;
  align-items: center;
  column-gap: 20px;
  padding-top: 86px;
}
.hero-copy { position: relative; z-index: 1; padding-bottom: 76px; }
.hero-eyebrow { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--accent); margin-bottom: 28px; font-size: .625rem; }
h1 { font-size: clamp(3.1rem, 5.45vw, 4.875rem); line-height: 1.055; letter-spacing: -.055em; font-weight: 600; }
h1 span { display: block; }
.hero-description { max-width: 510px; margin-top: 28px; color: var(--muted); font-size: 1rem; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; margin-top: 34px; }
.text-link { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; font-size: .8125rem; font-weight: 500; transition: color .15s ease; }
.text-link:hover { color: var(--accent); }
.hero-figure { align-self: center; margin-top: -38px; padding-left: 12px; }
.figure-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 16px; color: var(--quiet); }
.figure-heading .eyebrow { font-family: var(--mono); font-weight: 400; font-size: .5625rem; }
.figure-cross { font-family: var(--mono); font-size: 1.25rem; color: var(--accent); }
.system-geometry { width: 100%; height: auto; margin-block: 4px 8px; }
.hero-figure figcaption { display: flex; flex-direction: column; gap: 5px; padding-inline: 16px; color: var(--muted); font-size: .625rem; line-height: 1.6; }
.figure-note { color: var(--quiet); font-size: .5625rem; }
.hero-footnote { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 72px; border-block: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
.hero-footnote .mono { font-size: .5625rem; letter-spacing: .035em; }

/* What we build */
.section { padding-block: 96px; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; margin-bottom: 42px; }
.section-heading > .section-label { margin-top: 10px; }
.section-intro { margin-top: 20px; color: var(--muted); font-size: 1rem; line-height: 1.8; max-width: 640px; }
.pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.pillar { padding: 28px 25px 30px; background: var(--surface); }
.pillar + .pillar { border-left: 1px solid var(--line); }
.pillar-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 36px; }
.pillar-icon { color: var(--accent); }
.pillar-number { font-size: .625rem; color: var(--quiet); }
.pillar h3 { min-height: 52px; font-size: 1.0625rem; line-height: 1.4; letter-spacing: -.025em; }
.pillar > p { margin-top: 17px; color: var(--muted); font-size: .8125rem; line-height: 1.85; }
.development-note { display: flex; align-items: baseline; gap: 10px; margin-top: 23px; color: var(--muted); font-size: .75rem; line-height: 1.75; }
.development-note .status-dot { position: relative; top: -1px; width: 5px; height: 5px; }

/* Model to system */
.workflow-panel { background: var(--tint); border: 1px solid #d9e2d7; border-radius: 5px; padding: 42px 44px 28px; }
.workflow-heading { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 60px; }
.workflow-heading .section-label { margin-bottom: 16px; }
.workflow-heading h2 { font-size: clamp(1.75rem, 2.75vw, 2.1875rem); }
.workflow-heading > p { max-width: 440px; color: var(--muted); font-size: .8125rem; line-height: 1.85; }
.workflow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); list-style: none; padding: 0; margin: 40px 0 26px; }
.workflow li { position: relative; padding: 22px 16px 20px; border-block: 1px solid #cdd9ca; }
.workflow li:first-child { padding-left: 0; }
.workflow li + li { border-left: 1px solid #cdd9ca; }
.workflow li::after { content: "→"; position: absolute; right: -8px; top: 48px; color: var(--accent); background: var(--tint); z-index: 1; font-size: .875rem; line-height: 1; }
.workflow li:last-child::after { content: none; }
.workflow-number { color: var(--accent); font-size: .5625rem; }
.workflow h3 { font-size: 1rem; margin-top: 10px; font-weight: 500; }
.workflow li p { margin-top: 10px; font-size: .625rem; color: var(--muted); line-height: 1.6; }
.workflow-caption { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .625rem; }
.small-cross { color: var(--accent); font-family: var(--mono); font-size: 1rem; }

/* Development philosophy */
.approach-section { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.approach-intro .section-label { margin-bottom: 20px; }
.approach-intro .section-intro { max-width: 460px; }
.approach-subtext { max-width: 400px; margin-top: 24px; color: var(--quiet); font-size: .8125rem; line-height: 1.85; }
.principles { border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 24px 1fr; gap: 20px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.principle > .mono { margin-top: 3px; color: var(--accent); font-size: .625rem; }
.principle h3 { font-size: 1rem; font-weight: 500; line-height: 1.5; }
.principle p { margin-top: 9px; color: var(--muted); font-size: .8125rem; line-height: 1.85; }

/* Stage: factual indicators, without metrics or progress claims */
.stage-section { padding-block: 32px 42px; border-block: 1px solid var(--line); }
.stage-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.stage-heading h2 { color: var(--muted); font-size: .875rem; font-weight: 400; letter-spacing: 0; }
.stage-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stage-item { position: relative; padding: 20px; border: 1px solid var(--line); border-radius: 4px; }
.stage-marker { display: block; width: 6px; height: 6px; margin-bottom: 15px; background: var(--accent); }
.stage-item h3 { font-size: .8125rem; font-weight: 500; line-height: 1.4; }
.stage-item p { margin-top: 6px; color: var(--quiet); font-size: .6875rem; }

/* Connected areas of exploration */
.areas-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; }
.area-group { padding-top: 21px; border-top: 1px solid var(--line); }
.area-group h3 { margin-bottom: 18px; color: var(--accent); font-size: .6875rem; line-height: 1.5; font-weight: 500; letter-spacing: .01em; }
.area-group ul { list-style: none; margin: 0; padding: 0; }
.area-group li { padding-block: 7px; font-size: .875rem; line-height: 1.65; }

/* About and founder */
.about-section { display: grid; grid-template-columns: 1.7fr 1fr; align-items: start; gap: 110px; border-top: 1px solid var(--line); }
.about-copy .section-label { margin-bottom: 20px; }
.about-copy > p:last-child { margin-top: 20px; color: var(--muted); font-size: .875rem; line-height: 1.85; max-width: 580px; }
.founder { padding: 26px 0 0; border-top: 1px solid var(--line); margin-top: 36px; }
.founder-monogram { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 26px; color: var(--accent); background: var(--tint); border: 1px solid #d9e2d7; border-radius: 4px; font-family: var(--mono); font-size: 1rem; }
.founder .eyebrow { font-size: .5625rem; color: var(--quiet); margin-bottom: 10px; }
.founder h3 { font-size: 1.0625rem; font-weight: 500; line-height: 1.45; }
.founder > p:last-of-type { margin-top: 8px; color: var(--muted); font-size: .75rem; }

/* Contact and footer */
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; padding: 48px 44px; background: var(--tint); border: 1px solid #d9e2d7; border-radius: 5px; }
.contact-panel .section-label { margin-bottom: 20px; }
.contact-panel h2 { font-size: clamp(2.5rem, 4.5vw, 3.5rem); letter-spacing: -.05em; }
.contact-panel p:last-child { margin-top: 18px; max-width: 370px; color: var(--muted); font-size: .8125rem; line-height: 1.85; }
.contact-email { display: block; padding-block: 18px; min-width: 0; }
.contact-email > .eyebrow { display: block; margin-bottom: 14px; font-size: .5625rem; color: var(--muted); }
.email-address { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 0 15px; border-bottom: 1px solid #a9bfa8; color: var(--accent); font-size: clamp(.9rem, 1.8vw, 1.4375rem); line-height: 1.5; letter-spacing: -.025em; overflow-wrap: anywhere; }
.email-address svg { flex-shrink: 0; }
.contact-email:hover .email-address { color: var(--accent-dark); border-color: var(--accent); }
.site-footer { padding-block: 48px 26px; }
.footer-top, .footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-top .wordmark { font-size: 1.125rem; }
.footer-domain { display: flex; align-items: center; gap: 14px; min-height: 44px; color: var(--muted); font-family: var(--mono); font-size: .6875rem; }
.footer-domain:hover { color: var(--accent); }
.footer-bottom { margin-top: 20px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--quiet); font-size: .625rem; }

/* Tablet */
@media (max-width: 1100px) {
  .desktop-nav { gap: 18px; }
  .desktop-nav a { font-size: .75rem; }
  .header-inner { gap: 18px; }
  .wordmark { font-size: 1.1875rem; }
  .pillar { padding-inline: 20px; }
  .pillar h3 { font-size: 1rem; min-height: 66px; }
  .approach-section { gap: 60px; }
  .about-section { gap: 60px; }
  .areas-grid { gap: 32px; }
  .workflow-panel, .contact-panel { padding-inline: 32px; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 64px); }
  .header-inner { min-height: 76px; flex-wrap: wrap; gap: 0; padding-block: 15px; }
  .desktop-nav, .header-cta { display: none; }
  .mobile-menu { display: block; margin-left: auto; }
  .mobile-menu[open] { width: 100%; margin-top: -44px; }
  .mobile-menu summary { display: flex; align-items: center; justify-content: flex-end; gap: 12px; width: fit-content; min-height: 44px; margin-left: auto; cursor: pointer; font-size: .75rem; list-style: none; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .menu-symbol { display: grid; gap: 5px; width: 18px; }
  .menu-symbol span { display: block; height: 1px; background: var(--ink); transition: transform .15s ease; }
  .mobile-menu[open] .menu-symbol span:first-child { transform: translateY(3px) rotate(45deg); }
  .mobile-menu[open] .menu-symbol span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .mobile-menu nav { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 24px; border-top: 1px solid var(--line); padding-block: 14px 4px; margin-top: 14px; }
  .mobile-menu nav a { display: flex; align-items: center; justify-content: space-between; min-height: 48px; font-size: .875rem; color: var(--muted); }
  .mobile-menu nav a:hover { color: var(--accent); }
  .mobile-menu nav .mobile-contact { color: var(--accent); }
  .hero { padding-top: 64px; grid-template-columns: 1.15fr 1fr; gap: 12px; }
  h1 { font-size: clamp(2.5rem, 5.5vw, 3.1rem); }
  .hero-copy { padding-bottom: 52px; }
  .hero-description { font-size: .875rem; }
  .hero-figure { padding-left: 0; margin-top: -50px; }
  .figure-heading, .hero-figure figcaption { padding-inline: 0; }
  .figure-heading .eyebrow { font-size: .5rem; }
  .hero-figure figcaption { font-size: .5625rem; }
  .hero-footnote { min-height: 64px; margin-top: 12px; }
  .section { padding-block: 72px; }
  .section-heading { grid-template-columns: 1fr 2fr; gap: 32px; }
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pillar { padding: 26px; }
  .pillar:nth-child(3) { border-left: 0; }
  .pillar:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pillar h3 { min-height: 0; font-size: 1.125rem; }
  .desktop-break { display: none; }
  .pillar-top { margin-bottom: 24px; }
  .workflow-heading { gap: 28px; }
  .workflow { grid-template-columns: 1fr; margin-block: 28px 20px; }
  .workflow li, .workflow li:first-child { display: grid; grid-template-columns: 28px 1fr 1.25fr; align-items: center; column-gap: 14px; padding: 20px 0; border: 0; border-top: 1px solid #cdd9ca; }
  .workflow li:last-child { border-bottom: 1px solid #cdd9ca; }
  .workflow li + li { border-left: 0; }
  .workflow li::after { content: "↓"; right: auto; left: 45px; top: auto; bottom: -7px; font-size: .625rem; }
  .workflow h3, .workflow li p { margin-top: 0; }
  .workflow li p { font-size: .6875rem; }
  .approach-section { gap: 40px; }
  .section-intro { font-size: .9375rem; }
  .stage-grid { gap: 12px; }
  .stage-item { padding: 16px; }
  .stage-item h3 { min-height: 36px; }
  .areas-grid { gap: 24px; }
  .area-group li { font-size: .8125rem; }
  .about-section { grid-template-columns: 1.5fr 1fr; gap: 44px; }
  .contact-panel { gap: 30px; }
  .email-address { font-size: .9375rem; gap: 10px; }
}

/* Mobile */
@media (max-width: 640px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 72px; padding-block: 14px; }
  .wordmark { font-size: 1.25rem; }
  .hero { grid-template-columns: 1fr; padding-top: 48px; gap: 0; }
  .hero-copy { padding-bottom: 0; }
  .hero-eyebrow { font-size: .5625rem; gap: 8px; margin-bottom: 23px; }
  h1 { font-size: clamp(2.1875rem, 10.5vw, 3.5rem); line-height: 1.075; letter-spacing: -.05em; }
  .hero-description { max-width: 460px; font-size: .9375rem; margin-top: 22px; }
  .hero-actions { margin-top: 27px; gap: 24px; }
  .hero-figure { width: min(100%, 440px); margin: 36px auto 28px; }
  .figure-heading { padding-inline: 8px; }
  .figure-heading .eyebrow { font-size: .5rem; }
  .system-geometry { margin-block: -6px -4px; }
  .hero-figure figcaption { padding-inline: 8px; }
  .hero-footnote { flex-direction: column; align-items: flex-start; justify-content: center; gap: 8px; padding-block: 18px; margin-top: 0; font-size: .6875rem; }
  .hero-footnote .mono { font-size: .5rem; }
  .section { padding-block: 60px; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; margin-bottom: 28px; }
  .section-heading > .section-label { margin-top: 0; }
  .section-intro { margin-top: 16px; font-size: .9375rem; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { padding: 25px; }
  .pillar + .pillar { border-left: 0; border-top: 1px solid var(--line); }
  .pillar-top { margin-bottom: 20px; }
  .pillar h3 { font-size: 1.125rem; }
  .pillar > p { max-width: 420px; margin-top: 12px; font-size: .875rem; line-height: 1.8; }
  .development-note { margin-top: 20px; font-size: .75rem; }
  .workflow-panel { padding: 28px 24px 24px; }
  .workflow-heading { grid-template-columns: 1fr; gap: 20px; }
  .workflow-heading h2 { font-size: 1.875rem; }
  .workflow-heading > p { font-size: .875rem; }
  .workflow li, .workflow li:first-child { grid-template-columns: 22px 1fr 1.2fr; gap: 10px; }
  .workflow h3 { font-size: .9375rem; }
  .workflow li p { font-size: .625rem; }
  .workflow li::after { left: 34px; }
  .workflow-caption { font-size: .625rem; line-height: 1.7; }
  .approach-section { grid-template-columns: 1fr; gap: 30px; }
  .approach-intro .section-label { margin-bottom: 16px; }
  .approach-subtext { margin-top: 18px; }
  .principle { gap: 14px; padding-block: 22px; }
  .principle h3 { font-size: 1rem; }
  .principle p { font-size: .875rem; }
  .stage-section { padding-block: 28px 32px; }
  .stage-heading { align-items: flex-start; flex-direction: column; gap: 12px; margin-bottom: 22px; }
  .stage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .stage-item { padding: 18px 15px; }
  .stage-item h3 { min-height: 0; font-size: .8125rem; }
  .stage-item p { font-size: .6875rem; line-height: 1.65; }
  .areas-grid { grid-template-columns: 1fr; gap: 26px; }
  .area-group { padding-top: 18px; }
  .area-group h3 { margin-bottom: 12px; font-size: .75rem; }
  .area-group li { padding-block: 6px; font-size: .9375rem; }
  .about-section { grid-template-columns: 1fr; gap: 28px; }
  .about-copy .section-label { margin-bottom: 16px; }
  .founder { margin-top: 0; padding-top: 24px; }
  .founder-monogram { width: 48px; height: 48px; margin-bottom: 22px; }
  .founder h3 { font-size: 1.125rem; }
  .contact-panel { grid-template-columns: 1fr; gap: 26px; padding: 32px 24px 25px; }
  .contact-panel .section-label { margin-bottom: 18px; }
  .contact-panel p:last-child { font-size: .875rem; }
  .contact-email { padding-block: 6px; }
  .email-address { font-size: clamp(.75rem, 3.75vw, 1.125rem); gap: 8px; }
  .email-address svg { width: 18px; height: 18px; }
  .site-footer { padding-block: 34px 24px; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 10px; }
  .footer-top .wordmark { font-size: 1.125rem; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; margin-top: 14px; padding-top: 20px; font-size: .6875rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (forced-colors: active) {
  .button { border: 1px solid ButtonText; }
  .status-dot, .stage-marker { background: CanvasText; }
  a:focus-visible, summary:focus-visible { outline-color: Highlight; }
}
@media print {
  html { scroll-behavior: auto; }
  body { background: white; }
  .container { width: 100%; }
  .site-header, .hero-actions, .skip-link, .mobile-menu { display: none; }
  .hero { padding-top: 0; }
  .section { padding-block: 32px; }
  .pillar, .workflow-panel, .principle, .founder, .contact-panel { break-inside: avoid; }
  .contact-email::after { content: "mailto:sergio@vazgrasolutions.site"; display: block; margin-top: 8px; font-size: .75rem; }
}