/* =========================================================================
   Linkstone Digital — shared stylesheet
   Editorial, paper-and-ink aesthetic. Fraunces (serif) + Manrope (sans).
   ========================================================================= */

:root {
  --paper:     #F7F3EC;
  --ink:       #1A1714;
  --ink-soft:  #3A332C;
  --muted:     #7A6E60;
  --rule:      #D8CFC0;
  --accent:    #A04A2C;

  --max:   1120px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Subtle grain overlay — fixed, non-interactive, very low opacity.
   Inline SVG fractal noise: no extra request, negligible cost. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---- Typography -------------------------------------------------------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0; }

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

em {
  font-style: italic;
  color: var(--accent);
}

::selection {
  background: var(--accent);
  color: var(--paper);
}

/* ---- Layout primitives ------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3.5rem, 8vw, 7rem);
  border-top: 1px solid var(--rule);
}

.kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.6rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 10000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---- Header ------------------------------------------------------------ */

.site-header {
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}

.brand__mark { flex: none; display: block; }

.site-nav {
  display: none;
  gap: clamp(1.1rem, 2.4vw, 2.4rem);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a {
  color: var(--ink-soft);
  position: relative;
  padding-block: 0.2rem;
  transition: color 0.18s ease;
}
.site-nav a:hover,
.site-nav a:focus-visible { color: var(--accent); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
}
.lang-switch a { color: var(--muted); transition: color 0.18s ease; }
.lang-switch a:hover,
.lang-switch a:focus-visible { color: var(--accent); }
.lang-switch [aria-current="true"],
.lang-switch .is-active {
  color: var(--ink);
  font-weight: 700;
}
.lang-switch .sep { color: var(--rule); }

@media (min-width: 760px) {
  .site-nav { display: inline-flex; }
}

/* ---- Hero -------------------------------------------------------------- */

.hero {
  padding-block: clamp(3.5rem, 9vw, 8rem);
}

.hero__eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.6rem;
}

.hero__title {
  font-size: clamp(2.5rem, 7.5vw, 5rem);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.hero__lead {
  margin-top: 1.8rem;
  max-width: 56ch;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-soft);
}

.hero__meta {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem 1.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 2.2rem;
}

.hero__meta dt {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.45rem;
}
.hero__meta dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
}

@media (min-width: 760px) {
  .hero__meta { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Section heading layout ------------------------------------------- */

.section__head {
  margin-bottom: clamp(2.2rem, 5vw, 3.4rem);
  max-width: 60ch;
}
.section__title {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 300;
  letter-spacing: -0.015em;
}

/* ---- About ------------------------------------------------------------- */

.prose {
  display: grid;
  gap: 1.6rem;
  max-width: 64ch;
  font-size: clamp(1.02rem, 1.7vw, 1.18rem);
  font-weight: 300;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---- Pillars (What we do) --------------------------------------------- */

.pillars {
  display: grid;
  gap: 0;
}
.pillars--spaced { margin-top: clamp(2.75rem, 5vw, 3.75rem); }

/* ---- Call to action --------------------------------------------------- */
.cta-row { margin-top: clamp(2.25rem, 5vw, 3.25rem); }
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.9rem 1.6rem;
  border-radius: 2px;
  transition: background 0.2s ease;
}
.cta:hover,
.cta:focus-visible { background: var(--ink); color: var(--paper); }
.cta__arrow { transition: transform 0.2s ease; }
.cta:hover .cta__arrow,
.cta:focus-visible .cta__arrow { transform: translateX(3px); }
.pillar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  padding-block: 2.2rem;
  border-top: 1px solid var(--rule);
}
.pillar:first-child { border-top: none; padding-top: 0; }

.pillar__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  min-width: 2.2rem;
}
.pillar__body h3 {
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  font-weight: 400;
  margin-bottom: 0.7rem;
}
.pillar__body p {
  max-width: 62ch;
  font-weight: 300;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.65;
  color: var(--ink-soft);
}

@media (min-width: 880px) {
  .pillar {
    grid-template-columns: 3rem minmax(0, 22ch) 1fr;
    gap: 2.5rem;
    align-items: baseline;
  }
  .pillar__body { display: contents; }
  .pillar__body h3 { margin-bottom: 0; align-self: baseline; }
}

/* ---- Portfolio grid ---------------------------------------------------- */

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.vertical {
  background: var(--paper);
  padding: 1.9rem 1.7rem 2.1rem;
}
.vertical__num {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.vertical__title {
  margin-top: 0.7rem;
  font-size: 1.32rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.vertical__desc {
  margin-top: 0.5rem;
  font-size: 0.98rem;
  font-weight: 300;
  color: var(--muted);
  line-height: 1.55;
}

@media (min-width: 620px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 920px) {
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---- Contact ----------------------------------------------------------- */

.contact__title {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.contact__subtitle {
  margin-top: 1.2rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 48ch;
}
.contact__grid {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  border-top: 1px solid var(--rule);
  padding-top: 2.4rem;
}
.contact__block dt {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.contact__block dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
}
.contact__block address { font-style: normal; }
.contact__email {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.1em;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.contact__email:hover,
.contact__email:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

@media (min-width: 720px) {
  .contact__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 3rem; }
}

/* ---- Footer ------------------------------------------------------------ */

.site-footer {
  border-top: 1px solid var(--rule);
}
.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding-block: 2.4rem;
  align-items: flex-start;
}
.site-footer .brand { font-size: 1.05rem; }
.site-footer__legal {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.6;
}
.site-footer__legal a {
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
  transition: color 0.18s ease, border-color 0.18s ease;
}
.site-footer__legal a:hover,
.site-footer__legal a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

@media (min-width: 720px) {
  .site-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .site-footer__legal { text-align: right; }
}

/* ---- Legal page -------------------------------------------------------- */

.legal-main { padding-block: clamp(3rem, 7vw, 5.5rem); }

.legal-block { max-width: 70ch; }
.legal-block + .legal-block {
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--rule);
}
.legal-block h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.legal-block__lang {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.8rem;
  display: block;
}
.legal-block dl { display: grid; gap: 1.5rem; margin: 0; }
.legal-block dt {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.legal-block dd {
  margin: 0;
  font-weight: 300;
  font-size: 1.02rem;
  line-height: 1.62;
  color: var(--ink-soft);
}
.legal-block dd a { color: var(--accent); }
.legal-block address { font-style: normal; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.18s ease;
}
.back-link:hover,
.back-link:focus-visible { color: var(--accent); }

/* ---- Focus visibility -------------------------------------------------- */

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}