@font-face {
  font-family: "Open Sans";
  src: url("/fonts/open-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
}

@layer base {
  html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
  body { overflow-x: hidden; }
  h1, h2, h3, p { margin-top: 0; }
  h1, h2, h3 { letter-spacing: -0.035em; text-wrap: balance; }
  h2 { margin-bottom: var(--space-m); }
  h3 { font-size: var(--step-1); }
  p { margin-bottom: var(--space-s); }
  a { text-underline-offset: 0.18em; }
  address { font-style: normal; }
  button, input, textarea, select { font: inherit; }
  ::selection { background: var(--color-action); color: var(--color-action-label); }
}

@layer layout {
  .container { width: min(100% - (2 * var(--gutter)), var(--container-max)); margin-inline: auto; }
  .container--narrow { max-width: 52rem; }
  .section-heading { max-width: 50rem; margin-bottom: var(--space-xl); }
  .section-heading--split { display: grid; gap: var(--space-xs); }
}

@layer components {
  .icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
  .icon { width: 1.2em; height: 1.2em; flex: 0 0 auto; }

  .skip-link {
    position: fixed; top: 0; left: var(--gutter); z-index: var(--z-toast);
    transform: translateY(-120%); padding: var(--space-xs) var(--space-s);
    background: var(--color-action); color: var(--color-action-label);
    border-radius: 0 0 var(--radius-surface-sm) var(--radius-surface-sm);
  }
  .skip-link:focus { transform: translateY(0); }

  .eyebrow {
    display: flex; align-items: center; gap: var(--space-xs);
    margin-bottom: var(--space-s); color: var(--color-text-inverse);
    font-size: var(--step--1); font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  }
  .eyebrow::before { content: ""; width: 2.5rem; height: .16rem; background: var(--color-action); }
  .eyebrow--dark { color: var(--color-text-muted); }

  .button-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-m); }
  .button {
    display: inline-flex; align-items: center; justify-content: center; min-height: 3rem;
    padding: var(--space-xs) var(--space-m); border: .12rem solid var(--color-action);
    border-radius: var(--radius-surface-sm); background: var(--color-action);
    color: var(--color-action-label); font-weight: 800; text-decoration: none;
    transition: background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
  }
  .button:hover { background: var(--color-action-hover); border-color: var(--color-action-hover); color: var(--color-action-label); }
  .button--small { min-height: 2.75rem; padding: var(--space-2xs) var(--space-s); font-size: var(--step--1); }
  .text-link { display: inline-flex; align-items: center; gap: var(--space-2xs); font-weight: 800; text-decoration-thickness: .1em; }
  .text-link .icon { transition: transform var(--duration-fast) var(--ease-standard); }
  .text-link:hover .icon { transform: translateX(var(--space-3xs)); }
  .text-link--inverse { color: var(--color-text-inverse); }
  .text-link--inverse:hover { color: var(--color-text-inverse); }
  .text-link--inverse:focus-visible { outline-color: var(--color-focus-on-inverse); }

  .site-header {
    position: sticky; top: 0; z-index: var(--z-header); background: var(--color-surface);
    border-bottom: .06rem solid color-mix(in srgb, var(--color-border) 45%, transparent);
    box-shadow: 0 .35rem 1.5rem color-mix(in srgb, var(--neutral-900) 7%, transparent);
  }
  .site-header__inner { width: min(100% - (2 * var(--gutter)), 86rem); min-height: 5rem; margin-inline: auto; display: flex; align-items: center; gap: var(--space-m); }
  .site-logo { display: flex; width: clamp(10rem, 16vw, 13.5rem); margin-right: auto; }
  .site-logo img { display: block; width: 100%; }
  .primary-nav ul { display: flex; align-items: center; gap: clamp(.7rem, 1.35vw, 1.35rem); margin: 0; padding: 0; list-style: none; }
  .primary-nav a { display: block; padding-block: 1.8rem; color: var(--color-text); font-size: clamp(.73rem, .6rem + .25vw, .9rem); font-weight: 700; text-decoration: none; white-space: nowrap; }
  .primary-nav a[aria-current="page"] { box-shadow: inset 0 -.22rem 0 var(--color-action); }
  .menu-toggle { display: none; align-items: center; gap: var(--space-2xs); min-height: 2.75rem; padding: var(--space-2xs) var(--space-xs); border: .06rem solid var(--color-border); border-radius: var(--radius-surface-sm); background: var(--color-surface); color: var(--color-text); font-weight: 700; }

  .menu-drawer {
    width: min(24rem, 88vw); max-width: none; height: 100dvh; max-height: 100dvh;
    margin: 0 0 0 auto; padding: var(--space-m); border: 0; z-index: var(--z-overlay);
    background: var(--color-surface); color: var(--color-text);
  }
  .menu-drawer::backdrop { background: color-mix(in srgb, var(--neutral-900) 72%, transparent); }
  .menu-drawer__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-m); padding-bottom: var(--space-m); border-bottom: .06rem solid var(--color-border); }
  .menu-drawer__head img { width: 11rem; }
  .menu-close { display: inline-flex; align-items: center; gap: var(--space-2xs); min-height: 2.75rem; border: 0; background: transparent; color: var(--color-text); }
  .menu-drawer ul { margin: var(--space-m) 0; padding: 0; list-style: none; }
  .menu-drawer nav a { display: block; padding: var(--space-xs) 0; border-bottom: .06rem solid var(--color-border); color: var(--color-text); font-size: var(--step-1); font-weight: 700; text-decoration: none; }
  .menu-drawer nav a[aria-current="page"] { border-bottom-color: var(--color-action); }
  .menu-drawer__contact { display: grid; gap: var(--space-2xs); }
  .menu-drawer__contact a { display: flex; align-items: center; gap: var(--space-2xs); min-height: 2.75rem; font-weight: 700; }

  .hero { position: relative; min-height: calc(100svh - 5rem); display: grid; align-items: center; overflow: hidden; background: var(--color-surface-inverse); color: var(--color-text-inverse); }
  .hero__image, .hero__scrim { position: absolute; inset: 0; width: 100%; height: 100%; }
  .hero__image { object-fit: cover; object-position: center; }
  .hero__scrim { background: linear-gradient(90deg, color-mix(in srgb, var(--neutral-900) 96%, transparent) 0%, color-mix(in srgb, var(--neutral-900) 84%, transparent) 36%, color-mix(in srgb, var(--neutral-900) 18%, transparent) 72%); }
  .hero__inner { position: relative; z-index: var(--z-raised); width: min(100% - (2 * var(--gutter)), var(--container-max)); margin-inline: auto; padding-block: var(--space-2xl); }
  .hero h1 { max-width: 12ch; margin-bottom: var(--space-m); font-size: clamp(2.7rem, 6.5vw, 6.4rem); }
  .hero h1 span { color: color-mix(in srgb, var(--color-action) 86%, var(--neutral-000)); }
  .hero__lead { max-width: 40rem; font-size: var(--step-1); }
  .hero__scroll { position: absolute; z-index: var(--z-raised); left: 50%; bottom: var(--space-s); transform: translateX(-50%); color: var(--color-text-inverse); font-size: var(--step--1); text-decoration: none; }
  .hero__scroll span { margin-left: var(--space-2xs); }

  .statement { padding-block: var(--space-2xl); text-align: center; }
  .statement .eyebrow { justify-content: center; }
  .statement h2 { max-width: 19ch; margin-inline: auto; }
  .statement__lead { font-size: var(--step-1); }
  .statement p { margin-inline: auto; }

  .split-section { padding-block: var(--space-2xl); }
  .split-section--sunken { background: var(--color-surface-sunken); }
  .split-section__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: var(--space-2xl); }
  .visual-stack { position: relative; min-height: 27rem; }
  .platform-card { position: absolute; display: grid; gap: var(--space-2xs); width: min(19rem, 78%); padding: var(--space-l); border-radius: var(--radius-surface-md); background: var(--color-surface); border: .06rem solid var(--color-border); box-shadow: 0 1.2rem 3rem color-mix(in srgb, var(--neutral-900) 10%, transparent); }
  .platform-card strong { font-size: var(--step-1); }
  .platform-card small { color: var(--color-text-muted); }
  .platform-card .icon { width: 2rem; height: 2rem; color: var(--color-action); }
  .platform-card--primary { top: 0; left: 0; border-top: .35rem solid var(--color-action); }
  .platform-card--tiktok { top: 8rem; right: 0; }
  .platform-card--google { bottom: 0; left: 12%; }

  .services-section { padding-block: var(--space-2xl); }
  .service-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: .06rem solid var(--color-border); }
  .service-item { padding: var(--space-l) var(--space-m) var(--space-l) 0; border-top: .32rem solid transparent; }
  .service-item + .service-item { padding-left: var(--space-m); border-left: .06rem solid var(--color-border); }
  .service-item:hover { border-top-color: var(--color-action); }
  .service-item__number, .principles article > span { color: var(--color-action); font-size: var(--step--1); font-weight: 800; letter-spacing: .08em; }
  .service-item h3 { min-height: 9.5rem; margin-block: var(--space-s); }
  .service-item p { color: var(--color-text-muted); font-size: var(--step--1); }
  .service-item a { display: inline-flex; align-items: center; gap: var(--space-2xs); font-size: var(--step--1); font-weight: 800; }

  .team-section { padding-block: var(--space-2xl); background: var(--color-surface-sunken); }
  .team-section__grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: var(--space-2xl); }
  .team-section__image { margin: 0; }
  .team-section__image img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius-surface-md); }

  .insights-section { padding-block: var(--space-2xl); }
  .insights-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-m); }
  .insight-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: var(--space-l); border: .06rem solid var(--color-border); border-top: .35rem solid var(--color-action); border-radius: var(--radius-surface-sm); background: var(--color-surface); }
  .insight-card__source { margin: 0 0 var(--space-s); color: var(--color-action); font-size: var(--step--1); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
  .insight-card h3 { margin-bottom: var(--space-2xs); font-size: var(--step-1); }
  .insight-card h3 a { color: var(--color-text); text-decoration: none; }
  .insight-card time { margin-bottom: var(--space-s); color: var(--color-text-muted); font-size: var(--step--1); }
  .insight-card > p:not(.insight-card__source) { color: var(--color-text-muted); font-size: var(--step--1); }
  .insight-card > .text-link { margin-top: auto; }
  @media (hover: hover) and (pointer: fine) {
    .insight-card h3 a:hover { color: var(--color-action); text-decoration: underline; text-underline-offset: .14em; }
  }

  .cta-band, .channel-band { padding-block: var(--space-2xl); background: var(--color-surface-inverse); color: var(--color-text-inverse); }
  .cta-band :focus-visible, .channel-band :focus-visible, .site-footer :focus-visible { outline-color: var(--color-focus-on-inverse); }
  .cta-band__inner { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(18rem, .75fr); align-items: center; gap: var(--space-2xl); }
  .cta-band__actions { display: grid; justify-items: start; gap: var(--space-s); }
  .cta-band__actions small { color: color-mix(in srgb, var(--color-text-inverse) 75%, transparent); }

  .site-footer { padding: var(--space-2xl) 0 var(--space-l); background: color-mix(in srgb, var(--neutral-900) 92%, var(--neutral-000)); color: var(--color-text-inverse); }
  .site-footer__inner { width: min(100% - (2 * var(--gutter)), var(--container-max)); margin-inline: auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr .8fr; gap: var(--space-xl); }
  .site-footer__brand img { width: min(100%, 16rem); margin-bottom: var(--space-m); }
  .site-footer h2 { margin-bottom: var(--space-s); color: var(--color-text-inverse); font-size: var(--step--1); letter-spacing: .08em; text-transform: uppercase; }
  .site-footer ul { margin: 0; padding: 0; list-style: none; }
  .site-footer li { margin-bottom: var(--space-2xs); }
  .site-footer a { color: var(--color-text-inverse); }
  .site-footer p, .site-footer address { color: color-mix(in srgb, var(--color-text-inverse) 78%, transparent); font-size: var(--step--1); }
  .site-footer__base { width: min(100% - (2 * var(--gutter)), var(--container-max)); margin: var(--space-xl) auto 0; padding-top: var(--space-m); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: var(--space-s) var(--space-xl); border-top: .06rem solid color-mix(in srgb, var(--color-text-inverse) 22%, transparent); }
  .site-footer__base p { margin: 0; }
  .site-footer__association { flex: 1 1 22rem; text-align: center; }
  .site-footer__association a { font-weight: 700; text-decoration: underline; text-underline-offset: .16em; }

  .comms-bar { display: none; }

  .breadcrumbs { padding-block: var(--space-m); }
  .breadcrumbs ol { display: flex; flex-wrap: wrap; gap: var(--space-2xs); margin: 0; padding: 0; list-style: none; font-size: var(--step--1); }
  .breadcrumbs li + li::before { content: "/"; margin-right: var(--space-2xs); color: var(--color-text-muted); }
  .content-hero { padding: var(--space-xl) 0 var(--space-2xl); }
  .content-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); align-items: center; gap: var(--space-2xl); }
  .content-hero h1 { margin-bottom: var(--space-m); }
  .content-hero__copy > p:not(.eyebrow) { font-size: var(--step-1); }
  .content-hero__image { margin: 0; }
  .content-hero__image img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-surface-lg); }

  .article-intro, .principles, .process-section, .faq-section { padding-block: var(--space-2xl); }
  .article-intro { background: var(--color-surface-sunken); }
  .article-intro p { font-size: var(--step-1); }
  .principles__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: .06rem solid var(--color-border); border-left: .06rem solid var(--color-border); }
  .principles article { padding: var(--space-l); border-right: .06rem solid var(--color-border); border-bottom: .06rem solid var(--color-border); }
  .principles h3 { margin-block: var(--space-s); }
  .principles p { color: var(--color-text-muted); }
  .process-section { background: var(--color-surface-sunken); }
  .process-section__grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: var(--space-2xl); }
  .process-list { margin: 0; padding: 0; list-style: none; border-top: .06rem solid var(--color-border); }
  .process-list li { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-m); padding-block: var(--space-m); border-bottom: .06rem solid var(--color-border); }
  .process-list span { color: var(--color-action); font-weight: 800; }
  .process-list p { margin: 0; font-size: var(--step-1); font-weight: 700; }
  .channel-band { text-align: center; }
  .channel-band .eyebrow { justify-content: center; }
  .channel-band p { margin-inline: auto; }
  .faq-section details { border-top: .06rem solid var(--color-border); }
  .faq-section details:last-child { border-bottom: .06rem solid var(--color-border); }
  .faq-section summary { position: relative; padding: var(--space-m) 3rem var(--space-m) 0; cursor: pointer; font-size: var(--step-1); font-weight: 800; list-style: none; }
  .faq-section summary::-webkit-details-marker { display: none; }
  .faq-section summary::after { content: "+"; position: absolute; right: 0; color: var(--color-action); font-size: var(--step-2); }
  .faq-section details[open] summary::after { content: "−"; }
  .faq-section details p { padding-bottom: var(--space-m); }

  @media (hover: hover) and (pointer: fine) {
    .primary-nav a:hover { color: var(--color-action); }
  }

  @media (max-width: 72rem) {
    .primary-nav, .site-header__cta { display: none; }
    .menu-toggle { display: inline-flex; }
    .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .service-item { border-bottom: .06rem solid var(--color-border); }
    .service-item h3 { min-height: 0; }
    .site-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .insights-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }

  @media (max-width: 48rem) {
    body { padding-bottom: calc(3.7rem + env(safe-area-inset-bottom, 0px)); }
    .site-header__inner { min-height: 4.5rem; }
    .site-logo { width: 11rem; }
    .hero { min-height: calc(100svh - 4.5rem); align-items: end; }
    .hero__image { object-position: 58% center; }
    .hero__scrim { background: linear-gradient(0deg, color-mix(in srgb, var(--neutral-900) 96%, transparent) 0%, color-mix(in srgb, var(--neutral-900) 78%, transparent) 58%, color-mix(in srgb, var(--neutral-900) 18%, transparent) 100%); }
    .hero__inner { padding-block: var(--space-xl) calc(var(--space-2xl) + var(--space-l)); }
    .hero h1 { font-size: clamp(2.5rem, 13vw, 4.2rem); }
    .hero__scroll { display: none; }
    .split-section__grid, .team-section__grid, .cta-band__inner, .content-hero__grid, .process-section__grid { grid-template-columns: 1fr; }
    .visual-stack { min-height: 23rem; }
    .service-list, .principles__grid { grid-template-columns: 1fr; }
    .service-item + .service-item { padding-left: 0; border-left: 0; }
    .service-item { padding-inline: 0; }
    .site-footer__inner { grid-template-columns: 1fr; }
    .insights-grid { grid-template-columns: 1fr; }
    .site-footer__base { flex-direction: column; }
    .site-footer__association { flex-basis: auto; text-align: left; }
    .comms-bar { position: fixed; inset: auto 0 0; z-index: var(--z-commsbar); display: grid; grid-template-columns: repeat(2, 1fr); gap: .06rem; padding-bottom: env(safe-area-inset-bottom, 0); background: var(--color-border); border-top: .12rem solid var(--color-action); }
    .comms-bar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .1rem; min-height: 3.6rem; background: var(--color-surface); color: var(--color-text); font-size: var(--step--1); font-weight: 700; text-decoration: none; }
    .content-hero__image { order: -1; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .text-link .icon { transition: none; }
  }
}