:root {
  --osp-ink: #0e1a26;
  --osp-ink-2: #1b2c3d;
  --osp-body: #33465a;
  --osp-soft: #7c8ca0;
  --osp-paper: #fbfaf7;
  --osp-paper-2: #f1efe9;
  --osp-line: #ddd8cc;
  --osp-dark-line: #25384c;
  --osp-accent: #23577a;
  --osp-accent-light: #3e7ca6;
  --osp-signal: #1e6e64;
  --osp-dark-text: #e8edf2;
  --osp-dark-muted: #9dafc2;
  --osp-white: #fff;
  --osp-radius-sm: 9px;
  --osp-radius: 16px;
  --osp-radius-lg: 22px;
  --osp-shadow: 0 24px 60px -40px rgba(14, 26, 38, 0.48);
  --osp-container: 1120px;
  --osp-font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --osp-font-sans: Manrope, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --osp-font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.osp-site,
.osp-site #page-container,
.osp-site #et-main-area {
  background: var(--osp-paper);
  color: var(--osp-ink);
  font-family: var(--osp-font-sans);
  font-size: 16px;
  line-height: 1.65;
}

.osp-site * { box-sizing: border-box; }
.osp-site img { max-width: 100%; height: auto; }
.osp-site a { color: var(--osp-accent); }
.osp-site h1,
.osp-site h2,
.osp-site h3,
.osp-site h4 { color: var(--osp-ink); font-family: var(--osp-font-serif); letter-spacing: -0.015em; }
.osp-site h1 { font-size: clamp(2.5rem, 6vw, 4.8rem); line-height: 1.03; }
.osp-site h2 { font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.08; }
.osp-site h3 { font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.25; }

.osp-container { width: min(calc(100% - 40px), var(--osp-container)); margin-inline: auto; }
.osp-container--narrow { max-width: 860px; }
.osp-container--article { max-width: 860px; }
.osp-section { padding: clamp(70px, 9vw, 120px) 0; }
.osp-section--compact { padding: clamp(48px, 6vw, 80px) 0; }
.osp-section--paper-2 { background: var(--osp-paper-2); }
.osp-section--dark { background: linear-gradient(180deg, var(--osp-ink), #0b1520); color: var(--osp-dark-text); }
.osp-section--dark h2,
.osp-section--dark h3 { color: var(--osp-white); }
.osp-section--dark p { color: var(--osp-dark-muted); }

.osp-kicker {
  margin-bottom: 15px;
  color: var(--osp-accent);
  font-family: var(--osp-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.osp-section--dark .osp-kicker,
.osp-hero .osp-kicker,
.osp-page-hero .osp-kicker { color: var(--osp-accent-light); }
.osp-lead { max-width: 720px; color: var(--osp-body); font-size: clamp(1.05rem, 1.8vw, 1.25rem); }
.osp-section--dark .osp-lead { color: var(--osp-dark-muted); }
.osp-accent-text { color: var(--osp-accent-light); font-style: italic; font-weight: 400; }

.osp-skip-link { position: fixed; left: 12px; top: -100px; z-index: 99999; padding: 10px 14px; background: var(--osp-white); color: var(--osp-ink); }
.osp-skip-link:focus { top: 12px; }

.osp-header {
  position: sticky;
  top: 0;
  z-index: 999;
  border-bottom: 1px solid rgba(221, 216, 204, 0.85);
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: blur(14px);
}
.admin-bar .osp-header { top: 32px; }
.osp-header__inner { display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: 32px; }
.osp-brand__text { display: inline-flex; align-items: baseline; gap: 8px; color: var(--osp-ink) !important; text-decoration: none; }
.osp-brand__text strong { font-size: 1.12rem; letter-spacing: 0.03em; }
.osp-brand__text span { color: var(--osp-accent); font-size: 0.95rem; font-weight: 700; }
.osp-brand .custom-logo { display: block; max-height: 48px; width: auto; }
.osp-menu { display: flex; align-items: center; gap: 24px; margin: 0; padding: 0; list-style: none; }
.osp-menu li { position: relative; margin: 0; }
.osp-menu a { display: block; padding: 12px 0; color: var(--osp-body); font-size: 0.86rem; font-weight: 700; text-decoration: none; }
.osp-menu a:hover,
.osp-menu .current-menu-item > a,
.osp-menu .current-menu-ancestor > a { color: var(--osp-accent); }
.osp-menu > li:last-child:not(.osp-menu__external) > a { padding: 8px 15px; border: 1px solid var(--osp-ink); border-radius: 8px; color: var(--osp-ink); }
.osp-menu .sub-menu { position: absolute; top: 100%; left: -18px; min-width: 260px; margin: 0; padding: 12px; border: 1px solid var(--osp-line); border-radius: 12px; background: var(--osp-white); box-shadow: var(--osp-shadow); list-style: none; opacity: 0; visibility: hidden; transform: translateY(8px); transition: 0.2s ease; }
.osp-menu li:hover > .sub-menu,
.osp-menu li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.osp-menu .sub-menu a { padding: 9px 10px; border-radius: 7px; }
.osp-menu .sub-menu a:hover { background: var(--osp-paper-2); }
.osp-nav-toggle { display: none; align-items: center; gap: 10px; border: 0; background: transparent; color: var(--osp-ink); font: 700 0.82rem var(--osp-font-sans); cursor: pointer; }
.osp-nav-toggle__icon { display: grid; gap: 4px; }
.osp-nav-toggle__icon i { display: block; width: 22px; height: 2px; background: currentColor; }

.osp-hero,
.osp-page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(88px, 12vw, 150px) 0 clamp(75px, 10vw, 120px);
  background: linear-gradient(180deg, var(--osp-ink), #122333);
  color: var(--osp-dark-text);
}
.osp-hero::after,
.osp-page-hero::after {
  position: absolute;
  inset: auto -10% -130px;
  height: 280px;
  border: 1px dashed var(--osp-dark-line);
  border-radius: 50%;
  content: "";
  opacity: 0.65;
  pointer-events: none;
}
.osp-hero h1,
.osp-page-hero h1 { max-width: 950px; margin: 0 0 24px; color: var(--osp-white); }
.osp-hero p,
.osp-page-hero p { max-width: 760px; color: var(--osp-dark-muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.osp-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.osp-hero__meta { margin-top: 38px; color: #718397; font-family: var(--osp-font-mono); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; }
.osp-page-hero--full { min-height: 70vh; display: flex; align-items: center; }

.osp-button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 23px; border: 1px solid transparent; border-radius: 10px; font-size: 0.92rem; font-weight: 800; text-decoration: none !important; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease; }
.osp-button:hover { transform: translateY(-2px); }
.osp-button--accent { background: var(--osp-accent); color: var(--osp-white) !important; }
.osp-button--light { border-color: rgba(255, 255, 255, 0.75); color: var(--osp-white) !important; }
.osp-button--dark { background: var(--osp-ink); color: var(--osp-white) !important; }
.osp-button--outline { border-color: var(--osp-ink); color: var(--osp-ink) !important; }

.osp-grid { display: grid; gap: 18px; }
.osp-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.osp-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.osp-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.osp-card { height: 100%; padding: 27px; border: 1px solid var(--osp-line); border-radius: var(--osp-radius); background: var(--osp-white); box-shadow: 0 0 0 rgba(14, 26, 38, 0); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.osp-card:hover { transform: translateY(-4px); box-shadow: var(--osp-shadow); }
.osp-card__eyebrow { color: var(--osp-accent); font-family: var(--osp-font-mono); font-size: 0.64rem; letter-spacing: 0.19em; text-transform: uppercase; }
.osp-card h3 { margin: 10px 0 8px; }
.osp-card p { color: var(--osp-body); font-size: 0.94rem; }
.osp-card__link { display: inline-block; margin-top: 16px; font-weight: 800; text-decoration: none; }
.osp-section--dark .osp-card { border-color: var(--osp-dark-line); background: rgba(255,255,255,0.035); }
.osp-section--dark .osp-card p { color: var(--osp-dark-muted); }

.osp-split { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: center; gap: clamp(36px, 7vw, 82px); }
.osp-statements { border-top: 1px solid var(--osp-line); }
.osp-statement { display: grid; grid-template-columns: 80px 1fr; gap: 22px; padding: 28px 0; border-bottom: 1px solid var(--osp-line); }
.osp-statement__number { color: var(--osp-accent); font-family: var(--osp-font-serif); font-size: 2.8rem; font-style: italic; line-height: 1; }
.osp-statement p { color: var(--osp-body); }
.osp-callout { padding: 30px; border: 1.5px solid var(--osp-ink); border-radius: var(--osp-radius); background: var(--osp-white); }
.osp-callout__badge { display: inline-block; margin-bottom: 14px; padding: 7px 10px; border-radius: 7px; background: var(--osp-ink); color: var(--osp-white); font-family: var(--osp-font-mono); font-size: 0.62rem; letter-spacing: 0.16em; }

.osp-ecosystem { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 10px; }
.osp-ecosystem__arrow { display: flex; align-items: center; color: var(--osp-soft); font-size: 1.4rem; }

.osp-strata { position: relative; width: min(100%, 340px); height: 260px; margin-inline: auto; }
.osp-strata__layer { position: absolute; left: 0; width: 100%; height: 66px; border: 1px solid currentColor; border-radius: 11px; background: linear-gradient(180deg, color-mix(in srgb, currentColor 12%, white), white); animation: osp-sway var(--duration) ease-in-out infinite; }
.osp-strata__layer span { position: absolute; left: 12px; top: 9px; font: 0.62rem var(--osp-font-mono); letter-spacing: 0.15em; }
.osp-strata__layer--1 { top: 0; color: #b0563f; --duration: 10s; }
.osp-strata__layer--2 { top: 94px; color: #9a7b3f; --duration: 13s; animation-delay: -4s; }
.osp-strata__layer--3 { top: 188px; color: var(--osp-signal); --duration: 16s; animation-delay: -8s; }
@keyframes osp-sway { 50% { transform: translateX(16px); } }

.osp-case-grid,
.osp-expert-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.osp-case-card,
.osp-expert-card { display: flex; height: 100%; flex-direction: column; overflow: hidden; border: 1px solid var(--osp-line); border-radius: var(--osp-radius); background: var(--osp-white); }
.osp-case-card__body,
.osp-expert-card__body { display: flex; flex: 1; flex-direction: column; padding: 24px; }
.osp-case-card h3,
.osp-expert-card h3 { margin: 7px 0 9px; }
.osp-case-card p,
.osp-expert-card p { color: var(--osp-body); }
.osp-case-card a,
.osp-expert-card a { margin-top: auto; padding-top: 15px; font-weight: 800; text-decoration: none; }
.osp-expert-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.osp-empty-state { padding: 25px; border: 1px dashed var(--osp-line); border-radius: var(--osp-radius); color: var(--osp-body); }

.osp-page-content > .et-l,
.osp-page-content > .et_builder_inner_content { margin: 0; }
.osp-prose { color: var(--osp-body); font-size: 1.04rem; }
.osp-prose > * + * { margin-top: 1.1em; }
.osp-prose h2 { margin-top: 1.8em; }
.osp-prose ul,
.osp-prose ol { padding-left: 1.3em; }
.osp-article { padding: clamp(70px, 10vw, 120px) 0; }
.osp-article__header { margin-bottom: 45px; }
.osp-article__image { margin-bottom: 40px; overflow: hidden; border-radius: var(--osp-radius); }
.osp-fact-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; margin-bottom: 45px; }
.osp-fact { padding: 20px; border: 1px solid var(--osp-line); border-radius: 12px; }
.osp-fact span { color: var(--osp-accent); font: 0.65rem var(--osp-font-mono); letter-spacing: 0.16em; text-transform: uppercase; }
.osp-fact p { margin-top: 8px; color: var(--osp-body); }
.osp-expert-hero { display: grid; grid-template-columns: minmax(220px, 0.65fr) 1.35fr; align-items: center; gap: 40px; margin-bottom: 50px; }
.osp-expert-hero img { border-radius: var(--osp-radius); }

.osp-form { display: grid; gap: 16px; }
.osp-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.osp-form label { display: block; margin-bottom: 6px; color: var(--osp-soft); font: 0.66rem var(--osp-font-mono); letter-spacing: 0.13em; text-transform: uppercase; }
.osp-form input,
.osp-form select,
.osp-form textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--osp-line); border-radius: var(--osp-radius-sm); background: var(--osp-white); color: var(--osp-ink); font: inherit; }
.osp-form textarea { min-height: 150px; resize: vertical; }
.osp-form input:focus,
.osp-form select:focus,
.osp-form textarea:focus { border-color: var(--osp-accent); outline: 3px solid rgba(35,87,122,0.13); }
.osp-form__privacy { display: flex; align-items: flex-start; gap: 9px; }
.osp-form__privacy input { width: auto; margin-top: 5px; }
.osp-form__status { padding: 14px 16px; border-radius: 9px; }
.osp-form__status--success { background: #e6f2ed; color: #165c4f; }
.osp-form__status--error { background: #f8e8e5; color: #8a2f26; }
.osp-honeypot { position: absolute !important; left: -9999px !important; }

[data-osp-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.65s ease, transform 0.65s ease; }
[data-osp-reveal].is-visible { opacity: 1; transform: none; }

.osp-footer { padding: 65px 0 32px; background: var(--osp-ink); color: var(--osp-dark-muted); }
.osp-footer__grid { display: grid; grid-template-columns: 1.35fr repeat(3, 1fr); gap: 45px; }
.osp-footer__brand { color: var(--osp-white); font-size: 1.05rem; font-weight: 800; }
.osp-footer__brand span { color: var(--osp-accent-light); }
.osp-footer__claim { margin-top: 8px; color: var(--osp-white); font-family: var(--osp-font-serif); font-style: italic; }
.osp-footer__meta { margin-top: 14px; font-size: 0.8rem; }
.osp-footer__heading { margin: 0 0 12px; color: var(--osp-white) !important; font: 0.68rem var(--osp-font-mono) !important; letter-spacing: 0.16em; text-transform: uppercase; }
.osp-footer-menu { margin: 0; padding: 0; list-style: none; }
.osp-footer-menu li { margin: 0 0 7px; }
.osp-footer-menu a { color: var(--osp-dark-muted); font-size: 0.84rem; text-decoration: none; }
.osp-footer-menu a:hover { color: var(--osp-white); }
.osp-footer__bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 45px; padding-top: 22px; border-top: 1px solid var(--osp-dark-line); font-size: 0.75rem; }
.osp-footer__bottom a { color: var(--osp-dark-muted); text-decoration: none; }

@media (max-width: 1100px) {
  .osp-nav-toggle { display: inline-flex; }
  .osp-nav { position: fixed; inset: 74px 0 auto; display: none; max-height: calc(100vh - 74px); overflow: auto; border-top: 1px solid var(--osp-line); background: var(--osp-paper); }
  .osp-nav.is-open { display: block; }
  .osp-menu { display: block; width: min(calc(100% - 40px), var(--osp-container)); margin: 0 auto; padding: 18px 0 28px; }
  .osp-menu a { padding: 13px 0; border-bottom: 1px solid var(--osp-line); }
  .osp-menu .sub-menu { position: static; display: block; min-width: 0; padding: 0 0 0 18px; border: 0; background: transparent; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .osp-menu > li:last-child:not(.osp-menu__external) > a { padding: 13px 0; border: 0; border-bottom: 1px solid var(--osp-line); border-radius: 0; }
  body.osp-nav-open { overflow: hidden; }
}

@media (max-width: 900px) {
  .osp-grid--3,
  .osp-grid--4,
  .osp-case-grid,
  .osp-expert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .osp-split { grid-template-columns: 1fr; }
  .osp-ecosystem { grid-template-columns: 1fr; }
  .osp-ecosystem__arrow { justify-content: center; transform: rotate(90deg); }
  .osp-footer__grid { grid-template-columns: 1fr 1fr; }
  .osp-fact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .admin-bar .osp-header { top: 46px; }
  .osp-container { width: min(calc(100% - 28px), var(--osp-container)); }
  .osp-grid--2,
  .osp-grid--3,
  .osp-grid--4,
  .osp-case-grid,
  .osp-expert-grid { grid-template-columns: 1fr; }
  .osp-hero__actions { flex-direction: column; align-items: stretch; }
  .osp-statement { grid-template-columns: 1fr; gap: 8px; }
  .osp-form__row { grid-template-columns: 1fr; }
  .osp-footer__grid { grid-template-columns: 1fr; }
  .osp-footer__bottom { flex-direction: column; }
  .osp-expert-hero { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .osp-site *, .osp-site *::before, .osp-site *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-osp-reveal] { opacity: 1; transform: none; }
}

/* v0.2 refinements */
.osp-page--managed > .osp-page-content { margin: 0; padding: 0; }
.osp-page-hero--compact { padding-top: clamp(72px, 9vw, 105px); padding-bottom: clamp(60px, 7vw, 90px); }
.osp-page--standard .osp-page-content { min-height: 36vh; }
.osp-menu > .menu-item-has-children > a::after {
  content: "⌄";
  margin-left: 6px;
  color: var(--osp-soft);
  font-size: 0.72em;
}
.osp-menu__external > a,
.osp-menu a[target="_blank"] { white-space: nowrap; }
.osp-footer a[target="_blank"]::after { content: ""; }

@media (max-width: 1100px) {
  .osp-menu > .menu-item-has-children > a::after { float: right; }
  .osp-menu .sub-menu a { padding-left: 0; }
}