/* Rector & Stull — corporate site
   Layout: white header and hero with a portfolio panel; alternating white / mist sections;
   portfolio cases as bordered panels with navy media wells; navy contact band and footer. */
:root {
  --navy: #0E2340;        /* primary dark: bands, buttons, headings */
  --navy-2: #16305A;      /* raised surface on navy */
  --ink: #16233A;         /* body text */
  --slate: #4F5F75;       /* secondary text */
  --steel: #1F5C9E;       /* accent: links, focus, live status */
  --mist: #F2F5F8;        /* alternate section ground */
  --line: #D8DFE8;        /* hairlines and borders */
  --white: #FFFFFF;
  --on-navy: #E8EEF5;
  --on-navy-muted: #A9B8CB;

  --display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1rem;
  --step-1: 1.125rem;
  --step-2: 1.375rem;
  --step-3: clamp(1.6rem, 1.2rem + 1.4vw, 2.25rem);
  --step-4: clamp(2.1rem, 1.4rem + 2.6vw, 3.4rem);

  --radius: 4px;
  --wrap: 1180px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--steel); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; color: var(--navy); line-height: 1.15; margin: 0; text-wrap: balance; letter-spacing: -0.005em; }
h3 { font-size: var(--step-2); }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--steel); outline-offset: 3px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; background: var(--navy); color: var(--white); padding: 10px 14px; z-index: 100; border-radius: var(--radius); }
.skip-link:focus { top: 12px; }
main:focus { outline: none; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
}
@media (max-width: 480px) {
  .wrap { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
}

/* Header */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--white); }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--white); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
.wordmark { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.mark { display: inline-grid; place-items: center; width: 38px; height: 38px; background: var(--navy); color: var(--white); font-family: var(--display); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.02em; border-radius: 2px; }
.wordmark-text { font-family: var(--display); font-weight: 600; font-size: 1.25rem; letter-spacing: 0.01em; }
.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 32px; }
.primary-nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.primary-nav a:hover { color: var(--steel); }
.primary-nav .nav-cta { background: var(--navy); color: var(--white); padding: 10px 18px; border-radius: var(--radius); }
.primary-nav .nav-cta:hover { background: var(--navy-2); color: var(--white); }
.menu-toggle { display: none; font: inherit; font-weight: 500; background: none; border: 1px solid var(--line); color: var(--navy); padding: 8px 14px; border-radius: var(--radius); cursor: pointer; }
@media (max-width: 860px) {
  .js .menu-toggle { display: inline-block; }
  .js .primary-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); border-bottom: 1px solid var(--line); }
  .js .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px)); }
  .primary-nav li a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .primary-nav li:last-child a { border-bottom: 0; margin-top: 12px; text-align: center; }
  .site-header .header-inner { position: relative; }
  html:not(.js) .primary-nav ul { flex-direction: row; flex-wrap: wrap; gap: 16px; padding: 0 0 12px; }
}

/* Buttons and links */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 600; font-size: 0.95rem; text-decoration: none; padding: 13px 22px; border-radius: var(--radius); border: 1px solid transparent; cursor: pointer; transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-2); }
.btn-secondary { background: var(--white); color: var(--navy); border-color: var(--navy); }
.btn-secondary:hover { background: var(--mist); }
.btn-light { background: var(--white); color: var(--navy); }
.btn-light:hover { background: var(--on-navy); }
.text-link { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 1px; align-self: flex-start; }
.text-link:hover { color: var(--navy); }

/* Labels */
.eyebrow, .kicker, .case-kicker, .panel-title, .step-num, figcaption, .scope-list dt, .contact-meta dt {
  font-family: var(--body); font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--steel);
}
.kicker-light { color: var(--on-navy-muted); }

/* Status chips */
.status { display: inline-flex; align-items: center; gap: 7px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--slate); background: var(--white); white-space: nowrap; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-live { color: #1D6B45; border-color: #BFDCCB; background: #F1F8F4; }
.status-soon { color: var(--steel); border-color: #C7D8EC; background: #F2F7FC; }
.status-dev { color: var(--slate); }

/* Hero */
.hero { padding-block: clamp(56px, 7vw, 104px) clamp(56px, 7vw, 96px); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: end; }
.hero-copy { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.hero h1 { font-size: var(--step-4); max-width: 21ch; }
.lede { font-size: var(--step-1); color: var(--slate); max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }

.portfolio-panel { border: 1px solid var(--line); border-top: 3px solid var(--navy); background: var(--white); min-width: 0; }
.panel-title { padding: 18px 22px 14px; border-bottom: 1px solid var(--line); color: var(--slate); }
.panel-list { list-style: none; margin: 0; padding: 0; }
.panel-list li + li { border-top: 1px solid var(--line); }
.panel-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "name status" "desc status"; column-gap: 16px; row-gap: 2px; align-items: center; padding: 18px 22px; text-decoration: none; transition: background-color .15s ease; }
.panel-list a:hover { background: var(--mist); }
.panel-name { grid-area: name; font-family: var(--display); font-weight: 600; font-size: 1.15rem; color: var(--navy); }
.panel-desc { grid-area: desc; font-size: 0.9rem; color: var(--slate); }
.panel-list .status { grid-area: status; }

/* Sections */
.section { padding-block: clamp(64px, 8vw, 112px); }
.section-alt { background: var(--mist); border-block: 1px solid var(--line); }
.section-navy { background: var(--navy); color: var(--on-navy); }
.section-navy h2 { color: var(--white); }
.section-head { display: grid; gap: 14px; max-width: 760px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head h2 { font-size: var(--step-3); }
.section-intro { color: var(--slate); font-size: var(--step-1); max-width: 62ch; }

/* Capabilities */
.services { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--navy); }
.service { display: flex; flex-direction: column; gap: 14px; padding: 28px 28px 32px 0; min-width: 0; }
.service + .service { padding-left: 28px; border-left: 1px solid var(--line); }
.service p { color: var(--slate); }
.scope { list-style: none; margin: auto 0 0; padding: 14px 0 0; display: grid; gap: 6px; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--ink); }
.scope li::before { content: "—"; color: var(--steel); margin-right: 8px; }
@media (max-width: 1000px) {
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service, .service + .service { padding: 28px 24px 32px 0; border-left: 0; }
  .service:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line); }
  .service:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 600px) {
  .services { grid-template-columns: minmax(0, 1fr); }
  .service, .service + .service, .service:nth-child(even) { padding: 24px 0 28px; border-left: 0; }
  .service + .service { border-top: 1px solid var(--line); }
}

/* Portfolio cases */
.case { border: 1px solid var(--line); background: var(--white); }
.case + .case { margin-top: 32px; }
.case-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 26px clamp(20px, 3vw, 36px); border-bottom: 1px solid var(--line); }
.case-head > div { display: grid; gap: 6px; min-width: 0; }
.case-head h3 { font-size: var(--step-3); }
.working-name { font-family: var(--body); font-size: 0.9rem; font-weight: 400; color: var(--slate); letter-spacing: 0; }
.case-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.case-copy { display: flex; flex-direction: column; gap: 20px; padding: clamp(24px, 3vw, 36px); min-width: 0; }
.case-copy > p { color: var(--slate); max-width: 62ch; }
.case-tagline { font-family: var(--display); font-size: var(--step-2); color: var(--navy) !important; }
.case-status-note { font-size: 0.92rem; }
.case-visual { background: var(--navy); display: grid; place-items: center; padding: clamp(20px, 3vw, 36px); min-width: 0; }
.illo { width: 100%; height: auto; max-width: 600px; }
.svg-mono { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; }
.svg-mono-sm { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; }
.svg-hud { font-family: var(--body); font-size: 15px; font-weight: 600; }
.svg-hud-sm { font-family: var(--body); font-size: 12px; }
.svg-quote { font-family: var(--display); font-size: 18px; font-style: italic; }

.scope-list { margin: 0; display: grid; border-top: 1px solid var(--line); }
.scope-list > div { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.scope-list dt { color: var(--slate); padding-top: 2px; }
.scope-list dd { margin: 0; color: var(--ink); }

.tmu-media { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); grid-template-rows: auto auto; gap: 12px; padding: clamp(20px, 3vw, 36px); background: var(--mist); border-left: 1px solid var(--line); align-content: start; }
.tmu-media figure { margin: 0; display: grid; gap: 8px; min-width: 0; align-content: start; }
.tmu-product { grid-row: span 2; }
.tmu-product img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }
.tmu-still img { aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
figcaption { color: var(--slate); font-size: 0.7rem; }

.pipeline { list-style: none; margin: 0; padding: 0; counter-reset: stage; border-top: 1px solid var(--line); }
.pipeline li { counter-increment: stage; display: grid; grid-template-columns: 36px 110px minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--line); }
.pipeline li::before { content: counter(stage, decimal-leading-zero); font-family: var(--mono); font-size: 0.8rem; color: var(--steel); }
.pipe-step { font-weight: 600; color: var(--navy); }
.pipe-note { color: var(--slate); font-size: 0.95rem; }

@media (max-width: 900px) {
  .case-body { grid-template-columns: minmax(0, 1fr); }
  .tmu-media { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 480px) {
  .case-head { flex-direction: column; }
  .pipeline li { grid-template-columns: 30px minmax(0, 1fr); }
  .pipe-note { grid-column: 2; }
  .scope-list > div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .tmu-media { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .tmu-product { grid-row: auto; grid-column: span 2; }
}

/* Forms */
label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
input, select, textarea { width: 100%; font: inherit; font-size: 0.98rem; color: var(--ink); background: var(--white); border: 1px solid #B9C4D2; border-radius: var(--radius); padding: 11px 12px; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--steel); outline-offset: 0; border-color: var(--steel); }
[aria-invalid="true"] { border-color: #B3261E; }
.form-hint { font-size: 0.85rem; color: var(--slate); margin-top: 8px; }
.form-status { font-size: 0.9rem; min-height: 1em; }
.optional { font-weight: 400; color: var(--slate); }
.waitlist { padding-top: 6px; }
.waitlist-row { display: flex; gap: 10px; flex-wrap: wrap; }
.waitlist-row input { flex: 1 1 220px; min-width: 0; }

/* Approach */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.step { display: grid; gap: 12px; align-content: start; padding: 24px 24px 0 0; border-top: 2px solid var(--line); position: relative; min-width: 0; }
.step::before { content: ""; position: absolute; top: -2px; left: 0; width: 48px; height: 2px; background: var(--navy); }
.step p { color: var(--slate); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; } }
@media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); row-gap: 28px; } .step { padding-right: 0; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.contact-copy { display: grid; gap: 18px; min-width: 0; }
.contact-copy h2 { font-size: var(--step-3); }
.contact-copy > p { color: var(--on-navy-muted); max-width: 46ch; }
.contact-meta { margin: 10px 0 0; display: grid; border-top: 1px solid rgba(232,238,245,0.18); }
.contact-meta > div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid rgba(232,238,245,0.18); }
.contact-meta dt { color: var(--on-navy-muted); padding-top: 2px; }
.contact-meta dd { margin: 0; color: var(--white); overflow-wrap: anywhere; }
.contact-meta a { color: var(--white); }
.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; background: var(--navy-2); padding: clamp(20px, 3vw, 32px); border-radius: var(--radius); min-width: 0; }
.contact-form label { color: var(--on-navy); }
.contact-form .optional, .contact-form .form-hint { color: var(--on-navy-muted); }
.contact-form .form-hint a, .contact-form .form-status a { color: var(--white); }
.contact-form .form-status { color: var(--on-navy); }
.contact-form input, .contact-form select, .contact-form textarea { border-color: transparent; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline-color: #7FB0E0; }
.field { min-width: 0; }
.field-full { grid-column: 1 / -1; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form-actions .form-hint { margin: 0; flex: 1 1 240px; }
.section-navy :focus-visible { outline-color: #7FB0E0; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .contact-form { grid-template-columns: minmax(0, 1fr); } }

/* Footer */
.site-footer { background: #0A1A31; color: var(--on-navy-muted); padding-block: 28px; font-size: 0.88rem; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; }
.footer-mark { font-family: var(--display); font-weight: 600; color: var(--white); font-size: 1.05rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { color: var(--on-navy); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.site-footer :focus-visible { outline-color: #7FB0E0; }

/* Hero layout at smaller widths */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .portfolio-panel { max-width: 560px; }
}

/* Legal page */
.legal { padding-block: clamp(48px, 6vw, 88px); }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: var(--step-4); margin-bottom: 8px; }
.legal h2 { font-size: var(--step-2); margin: 36px 0 10px; }
.legal p, .legal li { color: var(--slate); }
.legal ul { padding-left: 20px; display: grid; gap: 8px; }
.legal .updated { font-size: 0.9rem; }
.nav-simple ul { display: flex; }
@media (max-width: 860px) { .js .nav-simple { display: block; position: static; border: 0; } .nav-simple ul { padding: 0; } .nav-simple li a { border: 0; padding: 0; } }

/* Brand mark */
.mark-img { width: 40px; height: 40px; border-radius: 50%; display: block; }
.footer-tag { display: block; font-family: var(--body); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-navy-muted); margin-top: 4px; }

/* Intro: network dots gather into the lion, lines connect, colour fills in. Once per session. */
.intro { display: none; }
html.intro-on body { overflow: hidden; }
html.intro-on .intro { display: grid; position: fixed; inset: 0; z-index: 200; background: radial-gradient(ellipse at 50% 42%, #01132F 0%, #01112B 38%, #000818 100%); place-items: center; align-content: center; gap: 26px; padding: 24px; cursor: pointer; transition: opacity .7s ease, visibility .7s ease; }
html.intro-done .intro { opacity: 0; visibility: hidden; }
.intro-lion { width: min(62vmin, 400px); height: auto; overflow: visible; }
.intro-net { filter: drop-shadow(0 0 3px rgba(248, 193, 62, .85)); animation: rs-out .8s ease forwards 4.2s; }
.intro-net .node { fill: #FFE6A3; transform-box: fill-box; transform-origin: center; transform: scale(0); opacity: 0;
  animation: rs-pop .5s cubic-bezier(.2, 1.2, .4, 1) forwards var(--t); }
.intro-net .node.seed { animation: rs-seed .9s cubic-bezier(.2, 1.3, .4, 1) forwards var(--t); }
.intro-net .edge { fill: none; stroke: #F8C13E; stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); opacity: 0;
  animation: rs-extend var(--dur, 300ms) cubic-bezier(.3, 0, .7, 1) forwards var(--t); }
@keyframes rs-extend { from { opacity: 1; } to { opacity: 1; stroke-dashoffset: 0; } }
.intro-facets polygon { fill: url(#rs-lion-tex); stroke: url(#rs-lion-tex); stroke-width: 1.2; stroke-linejoin: round; opacity: 0;
  transform-box: fill-box; transform-origin: center; transform: scale(.8);
  animation: rs-facet-in .6s cubic-bezier(.2, .8, .3, 1) forwards var(--t); }
@keyframes rs-facet-in { to { opacity: 1; transform: none; } }
.intro-facets { animation: rs-out .4s ease forwards 4.55s; }
.intro-color { opacity: 0; animation: rs-fade .45s ease forwards 4.1s; }
@keyframes rs-seed { 0% { transform: scale(0); opacity: 0; } 45% { transform: scale(1.9); opacity: 1; } 100% { transform: scale(1); opacity: 1; } }
@keyframes rs-pop { 0% { transform: scale(0); opacity: 0; fill: #FFFFFF; } 45% { transform: scale(1.75); opacity: 1; fill: #FFFFFF; } 100% { transform: scale(1); opacity: 1; fill: #FFE6A3; } }
@keyframes rs-fly { 0% { opacity: 0; } 35% { opacity: 1; } 100% { opacity: 1; transform: none; } }
.intro-word { display: grid; gap: 8px; text-align: center; opacity: 0; transform: translateY(8px); animation: rs-rise .7s ease forwards 4.4s; }
.intro-name { font-family: var(--display); font-weight: 600; font-size: clamp(1.7rem, 4vw, 2.5rem); color: #F2C14E; letter-spacing: .01em; }
.intro-tag { font-family: var(--body); font-weight: 500; font-size: .75rem; letter-spacing: .22em; text-transform: uppercase; color: #E6D9B8; }
@keyframes rs-node-in { to { transform: scale(1); opacity: 1; } }
@keyframes rs-draw { to { stroke-dashoffset: 0; } }
@keyframes rs-fade { to { opacity: 1; } }
@keyframes rs-out { to { opacity: 0; } }
@keyframes rs-rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { html.intro-on .intro { display: none; } html.intro-on body { overflow: auto; } }