/* ============================================================
   PROJECT IRON — WEBSITE OPERATING MANUAL v1.1
   Design System Stylesheet
   ============================================================ */

:root{
  --bg: #090909;
  --surface: #111111;
  --surface-raise: #161616;
  --border: #242424;
  --border-strong: #333333;
  --text: #FFFFFF;
  --text-secondary: #B8B8B8;
  --text-faint: #7A7A7A;
  --accent: #2F6FFF;
  --accent-dim: rgba(47,111,255,0.14);
  --accent-line: rgba(47,111,255,0.35);
  --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'IBM Plex Mono', ui-monospace, monospace;
  --container: 1280px;
  --section-pad: 120px;
  --section-pad-mobile: 64px;
  --radius: 4px;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; background:none; border:none; color:inherit; cursor:pointer; }

/* ---------- Layout ---------- */
.container{ max-width:var(--container); margin:0 auto; padding:0 40px; width:100%; }
@media (max-width:960px){ .container{ padding:0 24px; } }
@media (max-width:520px){ .container{ padding:0 18px; } }

.section{ padding:var(--section-pad) 0; border-bottom:1px solid var(--border); }
@media (max-width:960px){ .section{ padding:var(--section-pad-mobile) 0; } }

/* ---------- Type scale ---------- */
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; letter-spacing:-0.02em; color:var(--text); }
h1{ font-size:72px; line-height:1.03; font-weight:700; }
h2{ font-size:46px; line-height:1.12; }
h3{ font-size:30px; line-height:1.22; }
.body-lg{ font-size:20px; color:var(--text-secondary); line-height:1.6; }
p{ font-size:18px; color:var(--text-secondary); }
.caption{ font-family:var(--font-mono); font-size:14px; color:var(--text-faint); }

@media (max-width:960px){ h1{ font-size:44px; } h2{ font-size:32px; } h3{ font-size:23px; } }
@media (max-width:520px){ h1{ font-size:33px; } h2{ font-size:26px; } h3{ font-size:19px; } p, .body-lg{ font-size:16px; } }

.eyebrow{
  font-family:var(--font-mono); font-size:13px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--text-faint); display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); flex-shrink:0; }
.typewriter-cursor{
  display:inline-block; width:1px; height:11px; background:var(--accent);
  margin-left:1px; animation:cursorBlink 1s step-end infinite; vertical-align:middle;
}
@keyframes cursorBlink{ 0%, 100%{ opacity:1; } 50%{ opacity:0; } }

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--font-mono); font-size:14px; letter-spacing:.01em; padding:15px 24px; border-radius:var(--radius);
  display:inline-flex; align-items:center; gap:10px; border:1px solid var(--border-strong); white-space:nowrap;
  transition:border-color .15s ease, background .15s ease, color .15s ease, transform .15s ease;
}
.btn-primary{ background:var(--text); color:#000; border-color:var(--text); font-weight:500; }
.btn-primary:hover{ background:var(--accent); border-color:var(--accent); color:#fff; transform:translateY(-1px); }
.btn-ghost{ color:var(--text-secondary); }
.btn-ghost:hover{ border-color:var(--border-strong); color:var(--text); background:var(--surface); }
.btn .arrow{ transition:transform .15s ease; }
.btn:hover .arrow{ transform:translateX(3px); }

/* ============================================================
   NAVBAR — fixed responsive behavior
   ============================================================ */
.navbar{
  position:sticky; top:0; z-index:100; height:80px; display:flex; align-items:center;
  background:rgba(9,9,9,0.72); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent; transition:border-color .2s ease, background .2s ease;
}
.navbar.scrolled{ border-bottom-color:var(--border); background:rgba(9,9,9,0.92); }
.nav-inner{ width:100%; max-width:var(--container); margin:0 auto; padding:0 40px; display:flex; align-items:center; justify-content:space-between; gap:20px; min-width:0; }
@media (max-width:960px){ .nav-inner{ padding:0 24px; } }
@media (max-width:520px){ .nav-inner{ padding:0 18px; } }

.logo{ font-family:var(--font-mono); font-size:15px; font-weight:500; display:flex; align-items:center; gap:10px; flex-shrink:0; white-space:nowrap; line-height:1; }
.logo .mark-wrap{ position:relative; display:inline-flex; align-items:center; flex-shrink:0; }
.logo .mark{ width:22px; height:auto; display:block; }

.nav-links{ display:flex; align-items:center; gap:26px; font-size:14.5px; color:var(--text-secondary); flex-shrink:1; min-width:0; }
.nav-links a{ white-space:nowrap; transition:color .15s ease; }
.nav-links a:hover, .nav-links a.active{ color:var(--text); }

.nav-right{ display:flex; align-items:center; gap:16px; flex-shrink:0; }
/* Header CTA sits in an 80px bar — tighter than the page-level .btn padding. */
.nav-right .btn{ padding:10px 16px; }

/* ---------- Nav "Company" dropdown — click-based (hover had a dead-zone gap
   that closed the menu before a user could reach it; click is also correct
   for touch devices where :hover doesn't behave predictably) ---------- */
.nav-dropdown{ position:relative; }
.nav-dropdown-trigger{
  display:inline-flex; align-items:center; gap:6px; color:var(--text-secondary);
  font-size:14.5px; font-family:var(--font-body); transition:color .15s ease;
  cursor:pointer;
}
.nav-dropdown-trigger svg{ transition:transform .2s ease; opacity:.7; }
.nav-dropdown.open .nav-dropdown-trigger,
.nav-dropdown.active .nav-dropdown-trigger{ color:var(--text); }
.nav-dropdown.open .nav-dropdown-trigger svg{ transform:rotate(180deg); }
.nav-dropdown-menu{
  display:none; position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%);
  min-width:180px; background:var(--surface); border:1px solid var(--border-strong); border-radius:6px;
  box-shadow:0 16px 40px rgba(0,0,0,0.5); overflow:hidden; z-index:30;
}
/* Invisible bridge closes the dead-zone gap so the menu stays open while
   the pointer travels from the trigger down to the menu items. */
.nav-dropdown-menu::before{ content:""; position:absolute; top:-14px; left:0; right:0; height:14px; }
.nav-dropdown.open .nav-dropdown-menu{ display:block; }
.nav-dropdown-menu a{
  display:block; padding:13px 18px; font-size:14px; color:var(--text-secondary);
  border-bottom:1px solid var(--border); transition:background .15s ease, color .15s ease;
}
.nav-dropdown-menu a:last-child{ border-bottom:none; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu a.active{ background:var(--bg); color:var(--text); }

.nav-mobile-divider{
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.1em;
  color:var(--text-faint); padding:20px 0 6px;
}

.nav-hamburger{ display:none; width:36px; height:36px; align-items:center; justify-content:center; flex-shrink:0; }
.nav-hamburger span{ display:block; width:20px; height:1.5px; background:var(--text); position:relative; }
.nav-hamburger span::before, .nav-hamburger span::after{ content:""; position:absolute; left:0; width:20px; height:1.5px; background:var(--text); transition:transform .2s ease, opacity .2s ease; }
.nav-hamburger span::before{ top:-6px; }
.nav-hamburger span::after{ top:6px; }
.nav-hamburger.open span{ background:transparent; }
.nav-hamburger.open span::before{ transform:translateY(6px) rotate(45deg); }
.nav-hamburger.open span::after{ transform:translateY(-6px) rotate(-45deg); }

/* Breakpoint raised from 960px to 1240px: with Blog + the Company dropdown
   added, nav content needs ~1199px minimum to fit without overlapping the
   Talk-With-Our-Team/Book-a-Call buttons. 960px left a real gap (roughly
   960-1199px) where the two would visually collide instead of collapsing
   to the hamburger menu. Verified empirically, not guessed. */
@media (max-width:1240px){
  .nav-links{ display:none; }
  .nav-right .btn-ghost{ display:none; }
  .nav-hamburger{ display:flex; }
}
@media (max-width:480px){
  .nav-right .btn-primary{ display:none; }
}

.nav-mobile-panel{ display:none; position:fixed; inset:80px 0 0 0; background:var(--bg); z-index:99; padding:32px 24px; overflow-y:auto; }
.nav-mobile-panel.open{ display:block; }
.nav-mobile-panel a{ display:block; font-size:22px; font-family:var(--font-display); padding:16px 0; border-bottom:1px solid var(--border); color:var(--text); }
/* The panel already lists Contact, so the CTA button was redundant here. */
.nav-mobile-cta{ display:none; }

/* ============================================================
   HERO
   ============================================================ */
.hero{ padding:88px 0 var(--section-pad); border-bottom:1px solid var(--border); position:relative;
  background: radial-gradient(ellipse 60% 50% at 80% 0%, rgba(47,111,255,0.10), transparent 60%), var(--bg); }
.hero-grid{ display:grid; grid-template-columns:6fr 6fr; gap:56px; align-items:center; }
@media (max-width:960px){ .hero-grid{ grid-template-columns:1fr; gap:48px; } }
.hero h1{ margin:20px 0 22px; }
.hero h1 .dim{ color:var(--text-secondary); }
.hero .sub{ max-width:520px; margin-bottom:36px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.page-hero{ padding:72px 0 var(--section-pad); border-bottom:1px solid var(--border); }
.page-hero h1{ margin-top:18px; max-width:820px; }
.page-hero .sub{ max-width:640px; margin-top:18px; }
.breadcrumb{ font-family:var(--font-mono); font-size:13px; color:var(--text-faint); margin-bottom:18px; }
.breadcrumb a:hover{ color:var(--text-secondary); }

.schematic{ background:var(--surface); border:1px solid var(--border); border-radius:6px; padding:24px 22px 28px; }
.schematic-head{ display:flex; justify-content:space-between; align-items:center; font-family:var(--font-mono); font-size:11px; color:var(--text-faint);
  text-transform:uppercase; letter-spacing:.1em; margin-bottom:18px; padding-bottom:14px; border-bottom:1px dashed var(--border); }
.stage-labels{ display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:11px; color:var(--text-faint); margin-top:12px; }
.stage-labels span{ width:20%; text-align:center; }
.stage-labels span.active{ color:var(--accent); }

/* ============================================================
   OPERATIONAL PHILOSOPHY BLOCK — homepage signature element
   ============================================================ */
.philosophy{ padding:var(--section-pad) 0; border-bottom:1px solid var(--border); text-align:center;
  background:linear-gradient(180deg, rgba(47,111,255,0.05), transparent); }
.philosophy .eyebrow{ justify-content:center; margin-bottom:24px; }
.philosophy h2{ font-size:56px; max-width:820px; margin:0 auto 28px; }
.philosophy h2 .dim{ color:var(--text-secondary); }
.philosophy p{ max-width:640px; margin:0 auto; font-size:19px; }
@media (max-width:960px){ .philosophy h2{ font-size:34px; } }

/* ============================================================
   SECTION HEAD / CARDS
   ============================================================ */
.section-head{ max-width:680px; margin-bottom:48px; }
.section-head h2{ margin-top:16px; }
.section-head .sub{ color:var(--text-secondary); margin-top:16px; font-size:18px; max-width:600px; }

.chip-grid{ display:flex; flex-wrap:wrap; gap:12px; }
.chip{ font-family:var(--font-mono); font-size:14px; color:var(--text-secondary); border:1px solid var(--border); border-radius:999px; padding:10px 20px; transition:border-color .15s ease, color .15s ease; }
.chip:hover{ border-color:var(--accent-line); color:var(--text); }
a.chip:hover{ background:var(--surface); }

.cell-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border); border:1px solid var(--border); }
@media (max-width:960px){ .cell-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .cell-grid{ grid-template-columns:1fr; } }
.cell{ background:var(--bg); padding:28px 24px; min-height:120px; display:flex; align-items:flex-start; font-size:15px; color:var(--text-secondary); transition:background .15s ease, color .15s ease; }
.cell:hover{ background:var(--surface); color:var(--text); }

.card-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border); border:1px solid var(--border); }
@media (max-width:960px){ .card-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .card-grid{ grid-template-columns:1fr; } }
.card-grid.cols-3{ grid-template-columns:repeat(3,1fr); }
.card-grid.cols-6{ grid-template-columns:repeat(6,1fr); }
@media (max-width:960px){ .card-grid.cols-3{ grid-template-columns:1fr 1fr; } .card-grid.cols-6{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:560px){ .card-grid.cols-3{ grid-template-columns:1fr; } .card-grid.cols-6{ grid-template-columns:1fr 1fr; } }

.card{ background:var(--bg); padding:32px 26px; display:flex; flex-direction:column; gap:14px; min-height:200px; transition:background .18s ease, transform .18s ease; }
.card:hover{ background:var(--surface); transform:translateY(-3px); }
.card .num{ font-family:var(--font-mono); font-size:12px; color:var(--text-faint); }
.card h3{ font-size:19px; }
.card p{ font-size:14.5px; color:var(--text-secondary); flex:1; }
.card .learn{ font-family:var(--font-mono); font-size:13px; color:var(--accent); display:flex; align-items:center; gap:6px; }
.card .used-by{ font-family:var(--font-mono); font-size:11px; color:var(--text-faint); }

/* ---------- Framework / process timeline ---------- */
.timeline{ display:flex; flex-direction:column; }
.t-row{ display:grid; grid-template-columns:70px 1fr; gap:24px; padding:26px 0; border-top:1px solid var(--border); }
.t-row:last-child{ border-bottom:1px solid var(--border); }
.t-num{ font-family:var(--font-mono); font-size:14px; color:var(--accent); padding-top:2px; }
.t-body h3{ font-size:19px; margin-bottom:8px; }
.t-body p{ font-size:15px; max-width:620px; }
@media (max-width:560px){ .t-row{ grid-template-columns:1fr; gap:8px; } }

/* ---------- Problem / Solution list ---------- */
.ps-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--border); border:1px solid var(--border); }
@media (max-width:800px){ .ps-grid{ grid-template-columns:1fr; } }
.ps-col{ background:var(--bg); padding:36px 32px; }
.ps-col h3{ font-size:15px; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.08em; color:var(--text-faint); margin-bottom:22px; font-weight:500; }
.ps-col ul li{ font-size:16px; color:var(--text-secondary); padding:14px 0; border-top:1px solid var(--border); }
.ps-col ul li:first-child{ border-top:none; }
.ps-col.solution h3{ color:var(--accent); }

/* ---------- Security cards ---------- */
.sec-card{ border:1px solid var(--border); border-radius:6px; padding:26px; background:var(--surface); }
.sec-card h3{ font-size:17px; margin-bottom:10px; }
.sec-card p{ font-size:14.5px; }
.sec-status{ font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.08em; padding:4px 10px; border-radius:3px; display:inline-block; margin-top:12px; }
.sec-status.live{ background:rgba(47,111,255,0.14); color:var(--accent); }
.sec-status.roadmap{ background:rgba(255,255,255,0.06); color:var(--text-secondary); border:1px solid var(--border); }

/* ---------- FAQ / Accordion ---------- */
.accordion-item{ border-top:1px solid var(--border); }
.accordion-item:last-child{ border-bottom:1px solid var(--border); }
.accordion-q{ width:100%; display:flex; justify-content:space-between; align-items:center; padding:24px 0; text-align:left; font-family:var(--font-display); font-size:18px; color:var(--text); }
.accordion-q .plus{ font-family:var(--font-mono); color:var(--text-faint); transition:transform .2s ease; flex-shrink:0; margin-left:20px; }
.accordion-item.open .plus{ transform:rotate(45deg); }
.accordion-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.accordion-item.open .accordion-a{ max-height:400px; }
.accordion-a p{ padding-bottom:24px; max-width:680px; font-size:15.5px; }

/* ---------- Resource category / article card ---------- */
.res-category{ margin-bottom:8px; }
.res-category h3{ font-size:22px; margin-bottom:6px; }
.res-category .desc{ font-size:15px; color:var(--text-secondary); margin-bottom:24px; max-width:600px; }
.article-card{ border:1px solid var(--border); border-radius:6px; padding:24px; background:var(--surface); display:flex; flex-direction:column; gap:10px; min-height:150px; }
.article-card .tag{ font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-faint); }
.article-card h4{ font-family:var(--font-display); font-size:16.5px; font-weight:600; }
.article-card p{ font-size:13.5px; flex:1; }

/* ---------- Contact form ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--text-faint); }
.field input, .field select, .field textarea{ background:var(--surface); border:1px solid var(--border); border-radius:4px; padding:14px 16px; color:var(--text); font-family:var(--font-body); font-size:15px; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--accent); }
.field textarea{ resize:vertical; min-height:120px; }

/* ---------- Operating System callout (replaces per-page framework repeats) ---------- */
.os-callout{
  display:flex; align-items:center; justify-content:space-between; gap:28px; flex-wrap:wrap;
  border:1px solid var(--border); border-radius:8px; background:var(--surface);
  padding:32px 36px;
}
.os-callout-text{ min-width:0; flex:1 1 280px; }
.os-callout-text h3{ font-size:20px; margin:12px 0 8px; }
.os-callout-text p{ font-size:14.5px; max-width:520px; }
.os-callout .btn{ flex-shrink:0; }
@media (max-width:640px){ .os-callout{ flex-direction:column; align-items:flex-start; padding:26px 22px; } }

/* ---------- Operating System — interactive diagram nodes ---------- */
.os-node{ cursor:pointer; outline:none; }
.os-node-dot{ transition:stroke .2s ease, r .2s ease; }
.os-node-label{ transition:fill .2s ease; }
.os-node:hover .os-node-dot, .os-node.selected .os-node-dot{ stroke:#2F6FFF; }
.os-node:hover .os-node-label, .os-node.selected .os-node-label{ fill:#FFFFFF; }
.os-node.selected .os-node-dot{ r:11; fill:#2F6FFF; }
.os-node:focus-visible .os-node-dot{ stroke:#7DA6FF; stroke-width:3; }

/* ---------- Operating System — six-stage interactive accordion ---------- */
.os-stage-list{ display:flex; flex-direction:column; }
.os-stage-item{ border-top:1px solid var(--border); scroll-margin-top:100px; }
.os-stage-item:last-child{ border-bottom:1px solid var(--border); }
.os-stage-q{
  width:100%; display:flex; align-items:center; gap:18px; padding:22px 0; text-align:left;
}
.os-stage-num{ font-family:var(--font-mono); font-size:14px; color:var(--accent); flex-shrink:0; width:28px; }
.os-stage-name{ font-family:var(--font-display); font-size:20px; color:var(--text); flex:1; }
.os-stage-q .plus{ font-family:var(--font-mono); color:var(--text-faint); transition:transform .2s ease; flex-shrink:0; }
.os-stage-item.open .plus{ transform:rotate(45deg); }
.os-stage-a{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
.os-stage-item.open .os-stage-a{ max-height:500px; }
.os-stage-rich{ font-size:16px; color:var(--text-secondary); max-width:680px; padding-bottom:16px; line-height:1.65; }
.os-stage-bullets{ padding-bottom:28px; padding-left:46px; }
.os-stage-bullets li{ font-size:14.5px; color:var(--text-secondary); list-style:disc; margin-bottom:8px; }
.os-stage-item.flash .os-stage-q{ animation:stageFlash 1s ease; }
@keyframes stageFlash{ 0%{ background:rgba(47,111,255,0.12); } 100%{ background:transparent; } }
/* ============================================================
   SPLIT BUTTON / ACTION GROUP — primary CTA + dropdown of secondary actions
   Prevents multiple CTAs crowding/wrapping awkwardly at narrow widths.
   ============================================================ */
.action-group{ position:relative; display:inline-flex; }
.action-group .btn-primary{ border-radius:4px 0 0 4px; border-right:1px solid rgba(0,0,0,0.15); }
.action-group-toggle{
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--text); color:#000; border:1px solid var(--text);
  border-left:1px solid rgba(0,0,0,0.15); border-radius:0 4px 4px 0;
  width:44px; cursor:pointer; transition:background .15s ease;
}
.action-group-toggle:hover{ background:var(--accent); border-color:var(--accent); }
.action-group-toggle svg{ width:14px; height:14px; transition:transform .2s ease; }
.action-group.open .action-group-toggle svg{ transform:rotate(180deg); }
.action-group-menu{
  display:none; position:absolute; bottom:calc(100% + 8px); left:0; min-width:220px;
  background:var(--surface); border:1px solid var(--border-strong); border-radius:6px;
  box-shadow:0 12px 32px rgba(0,0,0,0.5); overflow:hidden; z-index:20;
}
.action-group.open .action-group-menu{ display:block; }
.action-group-menu a{
  display:flex; align-items:center; gap:8px; padding:13px 16px; font-family:var(--font-mono);
  font-size:13.5px; color:var(--text-secondary); border-bottom:1px solid var(--border);
  transition:background .15s ease, color .15s ease;
}
.action-group-menu a:last-child{ border-bottom:none; }
.action-group-menu a:hover{ background:var(--bg); color:var(--text); }
/* Standalone single-button contexts still work: on very narrow screens, stack cleanly */
@media (max-width:400px){
  .action-group{ width:100%; }
  .action-group .btn-primary{ flex:1; justify-content:center; }
}

/* ============================================================
   SCROLL-REVEAL ANIMATION — IntersectionObserver-driven, plain CSS.
   Stable web-platform features only (no external animation library),
   so this keeps working the same way for years, not tied to a trend.
   ============================================================ */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1); }
.reveal.in-view{ opacity:1; transform:translateY(0); }
.reveal-stagger > *{ opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease; }
.reveal-stagger.in-view > *{ opacity:1; transform:translateY(0); }
.reveal-stagger.in-view > *:nth-child(1){ transition-delay:.02s; }
.reveal-stagger.in-view > *:nth-child(2){ transition-delay:.08s; }
.reveal-stagger.in-view > *:nth-child(3){ transition-delay:.14s; }
.reveal-stagger.in-view > *:nth-child(4){ transition-delay:.20s; }
.reveal-stagger.in-view > *:nth-child(5){ transition-delay:.26s; }
.reveal-stagger.in-view > *:nth-child(6){ transition-delay:.32s; }
.reveal-stagger.in-view > *:nth-child(7){ transition-delay:.38s; }
.reveal-stagger.in-view > *:nth-child(8){ transition-delay:.44s; }

/* ---------- Hero headline gradient sweep (subtle, not a gimmick) ---------- */
.gradient-text{
  background:linear-gradient(100deg, #FFFFFF 20%, #7DA6FF 40%, #FFFFFF 60%);
  background-size:220% auto;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:gradientSweep 7s ease-in-out infinite;
}
@keyframes gradientSweep{
  0%{ background-position:0% 50%; }
  50%{ background-position:100% 50%; }
  100%{ background-position:0% 50%; }
}

/* ---------- Logo mark pulse (subtle "alive" signal) ---------- */
.logo .mark-wrap::before{
  content:""; position:absolute; inset:-4px; border-radius:5px; border:1px solid var(--accent);
  opacity:0; animation:markPulse 3.2s ease-out infinite; pointer-events:none;
}
@keyframes markPulse{
  0%{ opacity:0; transform:scale(0.8); }
  15%{ opacity:.5; }
  60%{ opacity:0; transform:scale(1.5); }
  100%{ opacity:0; }
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-filter{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:8px; }
.blog-filter button{
  font-family:var(--font-mono); font-size:13px; color:var(--text-secondary); border:1px solid var(--border);
  border-radius:999px; padding:9px 18px; transition:border-color .15s ease, color .15s ease, background .15s ease;
}
.blog-filter button.active, .blog-filter button:hover{ border-color:var(--accent-line); color:var(--text); background:var(--surface); }
.blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media (max-width:960px){ .blog-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:640px){ .blog-grid{ grid-template-columns:1fr; } }
.blog-card{
  border:1px solid var(--border); border-radius:8px; background:var(--surface); overflow:hidden;
  display:flex; flex-direction:column; transition:border-color .15s ease, transform .15s ease;
}
.blog-card:hover{ border-color:var(--border-strong); transform:translateY(-2px); }
.blog-card-top{ height:6px; background:linear-gradient(90deg, var(--accent), transparent); }
.blog-card-body{ padding:24px; display:flex; flex-direction:column; gap:10px; flex:1; }
.blog-meta{ display:flex; gap:10px; align-items:center; font-family:var(--font-mono); font-size:11px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; }
.blog-tag{ background:var(--accent-dim); color:#7DA6FF; padding:3px 9px; border-radius:3px; }
.blog-card h3{ font-size:18px; line-height:1.3; }
.blog-card p{ font-size:14px; color:var(--text-secondary); flex:1; }
.blog-card .read-more{ font-family:var(--font-mono); font-size:12.5px; color:var(--accent); }
.blog-post-header{ max-width:760px; }
.blog-post-body{ max-width:720px; }
.blog-post-body p{ font-size:17px; color:var(--text-secondary); margin-bottom:20px; line-height:1.7; }
.blog-post-body h2{ font-size:26px; margin:36px 0 16px; }
/* ============================================================
   CAREERS
   ============================================================ */
.job-card{ border:1px solid var(--border); border-radius:8px; background:var(--surface); padding:26px; display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; transition:border-color .15s ease; }
.job-card:hover{ border-color:var(--accent-line); }
.job-card-info h3{ font-size:19px; margin-bottom:8px; }
.job-meta{ display:flex; gap:10px; flex-wrap:wrap; }
.job-tag{ font-family:var(--font-mono); font-size:11.5px; color:var(--text-secondary); border:1px solid var(--border); border-radius:999px; padding:5px 13px; }
.file-drop{
  border:1.5px dashed var(--border-strong); border-radius:6px; padding:28px 20px; text-align:center;
  background:var(--surface); transition:border-color .15s ease, background .15s ease; cursor:pointer;
}
.file-drop:hover, .file-drop.drag-over{ border-color:var(--accent); background:rgba(47,111,255,0.06); }
.file-drop input[type=file]{ display:none; }
.file-drop .file-icon{ font-family:var(--font-mono); font-size:22px; color:var(--text-faint); margin-bottom:8px; }
.file-drop .file-label{ font-size:14.5px; color:var(--text-secondary); }
.file-drop .file-name{ margin-top:10px; font-family:var(--font-mono); font-size:13px; color:var(--accent); display:none; }
.consent-row{ display:flex; align-items:flex-start; gap:10px; font-size:13.5px; color:var(--text-secondary); }
.consent-row input{ margin-top:4px; }

footer{ border-top:1px solid var(--border); padding:72px 0 32px; }
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; margin-bottom:56px; }
.foot-grid-5{ grid-template-columns:1.4fr 1fr 1fr 1fr 1fr; }
@media (max-width:960px){ .foot-grid-5{ grid-template-columns:1fr 1fr 1fr; } }
@media (max-width:800px){ .foot-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .foot-grid-5{ grid-template-columns:1fr 1fr; } }
.foot-col h4{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-faint); margin-bottom:18px; }
.foot-col a, .foot-col span{ display:block; font-size:14.5px; color:var(--text-secondary); margin-bottom:12px; }
.foot-col a:hover{ color:var(--text); }
footer .logo {
    display: flex !important;
    align-items: center;
    gap: 10px;
    color: var(--text);
    transform: translateY(5px);
}

footer .logo .mark-wrap {
    display: inline-flex !important;
    align-items: center;
    flex-shrink: 0;
    transform: translateY(5px);
}
.foot-desc{ font-size:14.5px; color:var(--text-secondary); max-width:280px; margin-top:16px; }
.foot-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:28px; border-top:1px solid var(--border); font-family:var(--font-mono); font-size:12px; color:var(--text-faint); flex-wrap:wrap; gap:12px; }

@media (prefers-reduced-motion: reduce){ *{ animation:none !important; transition:none !important; } .reveal, .reveal-stagger > *{ opacity:1 !important; transform:none !important; } }