/* site.css — Obvios marketing site UI kit styles. Tokens from tokens.css */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--surface-primary); }
[hidden] { display: none !important; }
/* anchor targets clear the sticky nav */
#gap, #os, #team, #loop, #process, #practice, #contact { scroll-margin-top: 88px; }

/* Wordmark is rendered as an <img> of the locked SVG master (see _includes/wordmark.html). */
.obv-wm { display: inline-block; line-height: 0; }
.obv-wm img { display: block; width: auto; }

/* ---------- Splash (minimal landing: dark bg, white wordmark only) ---------- */
.obv-splash { min-height: 100vh; min-height: 100dvh; background: var(--navy-900); }
.obv-splash__inner { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.obv-splash__inner .obv-wm img { height: auto !important; width: min(460px, 72vw); }

.obv-label { font: var(--text-label); letter-spacing: var(--track-label); text-transform: uppercase; color: var(--copper-700); display: inline-block; }

.obv-btn { font: 600 15px/1 var(--font-sans); border-radius: var(--radius-md); padding: 14px 22px; cursor: pointer; border: 1px solid transparent; transition: all var(--dur-fast) var(--ease-standard); }
.obv-btn:active { transform: scale(0.98); }
.obv-btn--primary { background: var(--navy-700); color: #fff; }
.obv-btn--primary:hover { background: var(--navy-800); }
.obv-btn--copper { background: var(--copper-700); color: #fff; }
.obv-btn--copper:hover { background: var(--copper-800); }
.obv-btn--secondary { background: #fff; color: var(--navy-700); border-color: var(--stone-200); }
.obv-btn--secondary:hover { border-color: var(--navy-400); }
.obv-btn--ghost { background: transparent; color: var(--navy-700); padding: 14px 6px; }
.obv-btn--ghost:hover { color: var(--copper-700); }

/* ---------- nav ---------- */
.obv-nav { position: sticky; top: 0; z-index: 40; transition: background var(--dur-base), border-color var(--dur-base); border-bottom: 1px solid transparent; }
.obv-nav.is-scrolled { background: rgba(250,250,248,0.82); backdrop-filter: blur(12px); border-bottom-color: var(--stone-100); }
.obv-nav__inner { max-width: 1120px; margin: 0 auto; padding: 20px 40px; display: flex; align-items: center; gap: 40px; }
.obv-nav__brand { text-decoration: none; line-height: 0; }
.obv-nav__links { display: flex; gap: 28px; margin-left: auto; }
.obv-nav__links a { color: var(--stone-700); text-decoration: none; font-size: 15px; font-weight: 500; transition: color var(--dur-fast); }
.obv-nav__links a:hover { color: var(--copper-700); }
.obv-nav__cta { margin-left: auto; }
.obv-btn--link { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }

/* ---------- hero ---------- */
.obv-hero { max-width: 1120px; margin: 0 auto; padding: 88px 40px 96px; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.obv-hero__head { font: 300 60px/1.08 var(--font-sans); letter-spacing: -0.025em; color: var(--navy-900); font-feature-settings: var(--font-features-brand); margin: 0; text-wrap: balance; }
.obv-hero__head em { font-style: italic; }
.obv-hero__sub { font: 400 19px/1.6 var(--font-sans); color: var(--stone-600); max-width: 520px; }
.obv-hero__sub em { font-style: italic; color: var(--navy-800); }
.obv-hero__actions { display: flex; align-items: center; gap: 16px; margin: 34px 0 18px; }
.obv-hero__fineprint { font-size: 14px; color: var(--stone-500); }
.obv-hero__mark { display: flex; justify-content: center; }
.obv-hero__frame { border: 1px solid var(--stone-200); border-radius: var(--radius-lg); background: var(--surface-elevated); box-shadow: var(--shadow-medium); padding: 52px 56px; display: inline-flex; }
.obv-hero__wm { font-size: 96px; color: var(--navy-900); }

/* ---------- generic section ---------- */
.obv-sec { max-width: 1120px; margin: 0 auto; padding: 84px 40px; }
.obv-sec--tint { max-width: none; background: var(--surface-secondary); }
.obv-sec--tint > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
.obv-sec__head h2 { font: 600 40px/1.12 var(--font-sans); letter-spacing: -0.02em; color: var(--navy-900); font-feature-settings: var(--font-features-brand); margin: 14px 0 0; text-wrap: balance; }
.obv-sec__lede { font: 400 18px/1.6 var(--font-sans); color: var(--stone-600); max-width: 560px; margin-top: 18px; }

/* arc */
.obv-arc { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; margin-top: 48px; }
.obv-arc__step { position: relative; }
.obv-arc__num { font: 600 14px/1 var(--font-sans); color: var(--copper-700); }
.obv-arc__step h3 { font: 600 23px/1.25 var(--font-sans); color: var(--navy-900); margin: 14px 0 10px; letter-spacing: -0.01em; }
.obv-arc__step p { font-size: 16px; line-height: 1.6; color: var(--stone-600); }
.obv-arc__line { position: absolute; top: 7px; right: -20px; width: 12px; height: 1px; background: var(--stone-300); }

/* process phases */
.obv-phases { display: flex; align-items: center; gap: 18px; margin-top: 44px; flex-wrap: wrap; }
.obv-phase { display: inline-flex; align-items: center; gap: 18px; }
.obv-phase__dot { width: 10px; height: 10px; border-radius: 999px; background: var(--copper-600); }
.obv-phase__name { font: 600 22px/1 var(--font-sans); color: var(--navy-900); letter-spacing: -0.01em; }
.obv-phase__arrow { color: var(--stone-300); font-size: 20px; }

/* philosophy cards */
.obv-phil { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 48px; }
.obv-phil__card { background: var(--surface-elevated); border: 1px solid var(--stone-100); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-subtle); transition: box-shadow var(--dur-base), transform var(--dur-base); }
.obv-phil__card:hover { box-shadow: var(--shadow-medium); transform: translateY(-2px); }
.obv-phil__idx { font: 600 13px/1 var(--font-sans); color: var(--copper-700); }
.obv-phil__card h3 { font: 600 21px/1.25 var(--font-sans); color: var(--navy-900); margin: 16px 0 10px; letter-spacing: -0.01em; text-wrap: balance; }
.obv-phil__card p { font-size: 15.5px; line-height: 1.6; color: var(--stone-600); }

/* compare (two-column: this vs that) */
.obv-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 48px; align-items: start; }
.obv-compare__col { background: var(--surface-elevated); border: 1px solid var(--stone-100); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-subtle); }
.obv-compare__col h3 { font: 600 13px/1 var(--font-sans); letter-spacing: 0.07em; text-transform: uppercase; color: var(--stone-500); margin-bottom: 18px; }
.obv-compare__col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.obv-compare__col li { position: relative; padding-left: 20px; font-size: 16px; line-height: 1.55; color: var(--stone-700); }
.obv-compare__col li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 5px; height: 5px; border-radius: 999px; background: var(--stone-300); }
.obv-compare__note { margin: 18px 0 0 20px; font-size: 13.5px; line-height: 1.5; font-style: italic; color: var(--stone-500); }
/* key column = the desired / Obvios / AI-native side */
.obv-compare__col--key { border-color: var(--copper-200); box-shadow: var(--shadow-medium); }
.obv-compare__col--key h3 { color: var(--copper-700); }
.obv-compare__col--key li { color: var(--navy-900); }
.obv-compare__col--key li::before { background: var(--copper-500); }
/* old column = struck-through "old way" */
.obv-compare__col--old { background: var(--surface-secondary); box-shadow: none; }
.obv-compare__col--old h3 { color: var(--stone-400); }
.obv-compare__col--old li { color: var(--stone-400); text-decoration: line-through; text-decoration-color: var(--stone-300); }
.obv-compare__col--old li::before { background: var(--stone-200); }
.obv-compare__col--old .obv-compare__note { color: var(--stone-400); }

/* closed-loop notes (4-up below the phases row) */
.obv-loop { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 36px; }
.obv-loop > div b { display: block; font: 600 16px/1.3 var(--font-sans); color: var(--navy-900); letter-spacing: -0.01em; margin-bottom: 7px; }
.obv-loop > div span { font-size: 14.5px; line-height: 1.55; color: var(--stone-600); }

/* capability (dark) */
.obv-sec--dark { max-width: none; background: var(--navy-900); }
.obv-cap { max-width: 1120px; margin: 0 auto; padding: 0 40px; display: grid; grid-template-columns: 1fr 0.8fr; gap: 56px; align-items: center; }
.obv-cap__copy h2 { font: 300 46px/1.1 var(--font-sans); color: #fff; letter-spacing: -0.02em; margin: 14px 0 18px; font-feature-settings: var(--font-features-brand); }
.obv-cap__copy p { font-size: 17px; line-height: 1.65; color: var(--navy-200); max-width: 460px; }
.obv-cap__whisper { color: var(--navy-300) !important; font-style: italic; margin-top: 16px; font-size: 15px !important; }
.obv-cap__card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); padding: 26px 28px; backdrop-filter: blur(8px); }
.obv-cap__mult { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.obv-cap__mult:last-child { border-bottom: 0; padding-bottom: 0; }
.obv-cap__mult:first-child { padding-top: 0; }
.obv-cap__mult b { display: block; color: #fff; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; font-feature-settings: var(--font-features-brand); }
.obv-cap__mult span { display: block; color: var(--navy-200); font-size: 14px; line-height: 1.55; margin-top: 5px; }
.obv-badge { display: inline-flex; align-items: center; gap: 7px; font: 600 13px/1 var(--font-sans); }
.obv-badge--ok { color: #6fd9b6; }
.obv-badge--ok i { width: 7px; height: 7px; border-radius: 999px; background: #6fd9b6; display: inline-block; }

/* CTA */
.obv-cta { max-width: 1120px; margin: 0 auto; padding: 96px 40px; text-align: center; }
.obv-cta h2 { font: 300 52px/1.1 var(--font-sans); letter-spacing: -0.025em; color: var(--navy-900); font-feature-settings: var(--font-features-brand); text-wrap: balance; }
.obv-cta p { font: 400 19px/1.6 var(--font-sans); color: var(--stone-600); max-width: 520px; margin: 22px auto 32px; }
.obv-cta__fineprint { font-size: 14px; color: var(--stone-500); margin-top: 18px; }

/* footer */
.obv-footer { background: var(--navy-900); color: #fff; padding: 64px 40px 40px; }
.obv-footer__top { max-width: 1120px; margin: 0 auto; display: flex; justify-content: space-between; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.obv-footer__tag { color: var(--navy-200); font-size: 16px; margin-top: 14px; }
.obv-footer__cols { display: flex; gap: 56px; }
.obv-footer__cols > div { display: flex; flex-direction: column; gap: 10px; }
.obv-footer__h { color: var(--navy-300); font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.obv-footer__cols a { color: var(--navy-100); text-decoration: none; font-size: 15px; transition: color var(--dur-fast); }
.obv-footer__cols a:hover { color: var(--copper-400); }
.obv-footer__link { background: none; border: 0; padding: 0; cursor: pointer; font: 500 15px/1.4 var(--font-sans); color: var(--navy-100); text-align: left; transition: color var(--dur-fast); }
.obv-footer__link:hover { color: var(--copper-400); }
.obv-footer__base { max-width: 1120px; margin: 24px auto 0; display: flex; justify-content: space-between; color: var(--navy-300); font-size: 13.5px; }

/* modal */
.obv-modal__scrim { position: fixed; inset: 0; background: rgba(30,43,63,0.42); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 80; padding: 24px; }
.obv-modal { background: var(--surface-elevated); border-radius: var(--radius-xl); padding: 36px; width: 440px; max-width: 100%; box-shadow: var(--shadow-elevated); position: relative; }
.obv-modal__x { position: absolute; top: 18px; right: 18px; background: none; border: none; color: var(--stone-400); font-size: 15px; cursor: pointer; }
.obv-modal__x:hover { color: var(--stone-700); }
.obv-modal__h { font: 600 28px/1.2 var(--font-sans); color: var(--navy-900); margin: 12px 0 6px; letter-spacing: -0.015em; }
.obv-modal__sub { font-size: 15px; color: var(--stone-600); margin-bottom: 22px; }
.obv-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.obv-field label { font: 600 13px/1 var(--font-sans); color: var(--stone-700); }
.obv-field input, .obv-field textarea { font: 400 15px/1.4 var(--font-sans); padding: 12px 13px; border: 1px solid var(--stone-200); border-radius: var(--radius-md); background: #fff; color: var(--stone-900); outline: none; resize: none; transition: border var(--dur-fast), box-shadow var(--dur-fast); }
.obv-field input:focus, .obv-field textarea:focus { border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(43,63,92,0.13); }
.obv-modal__done { display: flex; flex-direction: column; gap: 16px; }
.obv-notice { display: flex; gap: 11px; padding: 14px 16px; border-radius: var(--radius-md); border: 1px solid; }
.obv-notice i { font-style: normal; font-size: 15px; }
.obv-notice b { display: block; margin-bottom: 2px; }
.obv-notice--ok { background: var(--success-bg); border-color: rgba(26,122,92,0.25); color: #14624a; font-size: 14px; line-height: 1.45; }

/* ---------- writing (blog) index ---------- */
.obv-writing { max-width: 760px; margin: 0 auto; padding: 88px 40px 96px; }
.obv-writing__head h1 { font: 300 56px/1.06 var(--font-sans); letter-spacing: -0.025em; color: var(--navy-900); font-feature-settings: var(--font-features-brand); margin: 14px 0 0; text-wrap: balance; }
.obv-writing__lede { font: 400 18px/1.6 var(--font-sans); color: var(--stone-600); max-width: 560px; margin-top: 18px; }
.obv-postlist { list-style: none; margin: 56px 0 0; border-top: 1px solid var(--stone-100); }
.obv-postlist li { border-bottom: 1px solid var(--stone-100); }
.obv-postlist a { display: block; text-decoration: none; padding: 28px 4px; transition: padding var(--dur-base) var(--ease-out); }
.obv-postlist a:hover { padding-left: 12px; }
.obv-postlist time { font: var(--text-caption); letter-spacing: 0.02em; color: var(--copper-700); text-transform: uppercase; }
.obv-postlist h2 { font: 600 24px/1.3 var(--font-sans); letter-spacing: -0.01em; color: var(--navy-900); margin: 8px 0 8px; }
.obv-postlist p { font-size: 16px; line-height: 1.6; color: var(--stone-600); }
.obv-postlist__variants { font: var(--text-caption); letter-spacing: 0.02em; text-transform: uppercase; color: var(--stone-500); margin-top: 10px; }

/* ---------- single post ---------- */
.obv-post { max-width: 680px; margin: 0 auto; padding: 80px 40px 96px; }
.obv-post__back { display: inline-block; font-size: 14px; font-weight: 500; color: var(--stone-500); text-decoration: none; margin-bottom: 36px; transition: color var(--dur-fast); }
.obv-post__back:hover { color: var(--copper-700); }
.obv-post__meta { font: var(--text-caption); letter-spacing: 0.02em; color: var(--copper-700); text-transform: uppercase; }
.obv-post__title { font: 300 48px/1.08 var(--font-sans); letter-spacing: -0.025em; color: var(--navy-900); font-feature-settings: var(--font-features-brand); margin: 14px 0 0; text-wrap: balance; }
.obv-post__variant-note { font-size: 15px; line-height: 1.55; color: var(--stone-600); margin-top: 12px; }
.obv-post__variant-note a { color: var(--copper-700); }
.obv-prose { margin-top: 40px; }
.obv-prose > * + * { margin-top: 24px; }
.obv-prose p { font: 400 18px/1.65 var(--font-sans); color: var(--stone-800); text-wrap: pretty; }
.obv-prose h2 { font: 600 27px/1.25 var(--font-sans); letter-spacing: -0.015em; color: var(--navy-900); margin-top: 44px; }
.obv-prose h3 { font: 600 21px/1.3 var(--font-sans); letter-spacing: -0.01em; color: var(--navy-900); margin-top: 32px; }
.obv-prose blockquote { border-left: 2px solid var(--copper-600); padding-left: 22px; margin-left: 0; }
.obv-prose blockquote p { font-style: italic; color: var(--navy-800); font-size: 20px; }
.obv-prose a { color: var(--copper-700); text-underline-offset: 3px; }
.obv-prose strong { color: var(--navy-900); font-weight: 600; }
.obv-prose ul, .obv-prose ol { padding-left: 24px; }
.obv-prose li { font: 400 18px/1.65 var(--font-sans); color: var(--stone-800); }
.obv-prose li + li { margin-top: 8px; }

@media (max-width: 880px) {
  .obv-hero, .obv-cap { grid-template-columns: 1fr; }
  .obv-arc, .obv-phil, .obv-compare { grid-template-columns: 1fr; }
  .obv-loop { grid-template-columns: 1fr 1fr; }
  .obv-nav__links { display: none; }
  .obv-hero__head { font-size: 40px; }
  .obv-writing__head h1 { font-size: 44px; }
  .obv-post__title { font-size: 38px; }
}
@media (max-width: 520px) {
  .obv-loop { grid-template-columns: 1fr; }
}