/* 00-tokens.css */
:root {
  --ink: #1b1f24;
  --ink-soft: #4a5260;
  --ink-faint: #8a919c;
  --paper: #f6f4ef;
  --paper-deep: #ece8df;
  --line: #d9d4c8;
  --accent: #1b2a41;
  --accent-hover: #28395a;
  --ok: #2f6b3a;
  --warn: #9a3b1f;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Iowan Old Style", "Times New Roman", serif;

  --measure: 62ch;
  --container: 1120px;
  --gutter: 24px;
  --header-height: 64px;
}

/* 01-reset.css */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* 02-base.css */
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { max-width: var(--measure); }

a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.button {
  display: inline-block;
  padding: 0.8em 1.5em;
  border: 1px solid var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.2;
  transition: background-color 120ms ease, color 120ms ease;
}
.button--primary { background: var(--accent); color: var(--paper); }
.button--primary:hover { background: var(--accent-hover); }
.button--plain { color: var(--accent); }
.button--plain:hover { background: var(--paper-deep); }
.button[disabled] { opacity: 0.6; cursor: default; }

/* 03-layout.css */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

main { padding-top: var(--header-height); }

.section { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.section--alt { background: var(--paper-deep); }

.section__head {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section__number {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--ink-faint);
}
.section__intro { color: var(--ink-soft); font-size: 1.05rem; }

@media (min-width: 760px) {
  .section__head {
    grid-template-columns: 4rem 1fr;
    grid-template-rows: auto auto;
    column-gap: 2rem;
    row-gap: 0.75rem;
  }
  .section__number { grid-row: 1 / span 2; padding-top: 0.6rem; }
}

/* 10-header.css */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  z-index: 10;
  transition: border-color 160ms ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__brand {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.site-nav__list { display: flex; gap: 2rem; }
.site-nav__list a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding-block: 0.4rem;
  border-bottom: 1px solid transparent;
}
.site-nav__list a:hover, .site-nav__list a.is-current {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.site-header__toggle { display: none; }
.site-header__toggle-label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0;
}

@media (max-width: 759px) {
  .site-header__toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav__list {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--gutter) 1rem;
  }
  .site-nav__list a { display: block; padding: 0.75rem 0; border-bottom: 0; font-size: 1.05rem; }
}

/* 11-hero.css */
.hero { padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 7vw, 6rem); }

.hero__inner {
  display: grid;
  gap: 3rem;
  align-items: end;
}

.hero__title { max-width: 18ch; margin-bottom: 1.5rem; }
.hero__text { font-size: 1.15rem; color: var(--ink-soft); margin-bottom: 2.25rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero__notes {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  display: grid;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.hero__notes li { padding-left: 1.25rem; position: relative; }
.hero__notes li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 0.5rem; height: 1px;
  background: var(--ink-faint);
}

@media (min-width: 900px) {
  .hero__inner { grid-template-columns: minmax(0, 7fr) minmax(0, 3fr); gap: 5rem; }
}

/* 12-services.css */
.services {
  display: grid;
  gap: 2.5rem 3rem;
}

.service {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.service__name { margin-bottom: 0.75rem; }
.service__text { color: var(--ink-soft); margin-bottom: 1.25rem; }
.service__examples {
  font-size: 0.9rem;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
}

@media (min-width: 760px) {
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 13-products.css */
.products { border-top: 1px solid var(--line); }

.product {
  display: grid;
  gap: 0.75rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}
.product__name { font-size: 1.4rem; }
.product__scope { font-size: 0.85rem; color: var(--ink-faint); margin-top: 0.25rem; }
.product__text { color: var(--ink-soft); }

@media (min-width: 760px) {
  .product { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 3rem; align-items: start; }
}

/* 14-steps.css */
.steps {
  counter-reset: paso;
  display: grid;
  gap: 2rem;
}

.step {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  align-items: start;
}
.step__index {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--ink-faint);
  line-height: 1;
  padding-top: 0.2rem;
}
.step__name { margin-bottom: 0.5rem; }
.step__text { color: var(--ink-soft); }

@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem 4rem; }
}

/* 15-about.css */
.about { display: grid; gap: 2.5rem; }
.about__head { margin-bottom: 0; }
.about__text { display: grid; gap: 1.25rem; }
.about__text p { max-width: 58ch; }

.about__principles {
  display: grid;
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.principle dt { font-weight: 600; margin-bottom: 0.25rem; }
.principle dd { color: var(--ink-soft); font-size: 0.95rem; }

@media (min-width: 900px) {
  .about {
    grid-template-columns: 4rem minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 2rem;
    row-gap: 3rem;
  }
  .about__head { grid-column: 1 / 3; }
  .about__text { grid-column: 2; }
  .about__principles { grid-column: 3; grid-row: 1 / 3; align-self: start; border-top: 0; padding-top: 0.6rem; }
}

/* 16-contact.css */
.contact { display: grid; gap: 2.5rem; }
.contact__head { margin-bottom: 0; }

.contact-form {
  display: grid;
  gap: 1.25rem;
}
.field { display: grid; gap: 0.4rem; }
.field label { font-size: 0.85rem; color: var(--ink-soft); }
.field input, .field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0;
}
.field input:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field textarea { resize: vertical; min-height: 9rem; }
.field--trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.contact-form__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}
.contact-form__status { font-size: 0.95rem; color: var(--ink-soft); min-height: 1.5em; }
.contact-form__status.is-ok { color: var(--ok); }
.contact-form__status.is-error { color: var(--warn); }

.contact__direct {
  font-size: 0.95rem;
  color: var(--ink-soft);
  display: grid;
  gap: 0.35rem;
  align-content: start;
}
.contact__label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.5rem;
}
.contact__direct a { text-decoration: none; color: var(--ink); }
.contact__direct a:hover { text-decoration: underline; }

@media (min-width: 760px) {
  .contact-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field--wide, .contact-form__footer { grid-column: 1 / -1; }
}
@media (min-width: 900px) {
  .contact {
    grid-template-columns: 4rem minmax(0, 1fr) minmax(0, 1fr) 14rem;
    column-gap: 2rem;
    row-gap: 3rem;
  }
  .contact__head { grid-column: 1 / 4; }
  .contact-form { grid-column: 2 / 4; }
  .contact__direct { grid-column: 4; grid-row: 2; padding-top: 0.2rem; }
}

/* 17-footer.css */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.site-footer__inner {
  display: grid;
  gap: 1rem;
}
.site-footer__brand { font-family: var(--font-serif); font-size: 1.1rem; color: var(--ink); }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.site-footer__links a { text-decoration: none; }
.site-footer__links a:hover { text-decoration: underline; }

@media (min-width: 760px) {
  .site-footer__inner { grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; }
}