/* ═══════════════════════════════════════════════════════════
   khadijazaman.com — shared design system
   Used by every page. Page-specific tweaks live in small
   inline <style> blocks on each page.
═══════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --bg-0:         #060B12;
  --bg-1:         #0A1019;
  --bg-card:      #0F1722;
  --bg-card-h:    #142233;
  --accent:       #2563EB;
  --accent-2:     #38BDF8;
  --accent-3:     #93C5FD;
  --on-accent:    #FFFFFF;
  --accent-glow:  rgba(59,130,246,0.18);
  --text-1:       #F1F5F9;
  --text-2:       #94A3B8;
  --text-3:       #7B8CA4;
  --border:       rgba(255,255,255,0.06);
  --border-a:     rgba(59,130,246,0.28);
  --grad-main:    linear-gradient(135deg,#3B82F6 0%,#2563EB 55%,#38BDF8 100%);
  --grad-text:    linear-gradient(120deg,#60A5FA,#38BDF8);
  --grad-amber:   linear-gradient(120deg,#38BDF8,#60A5FA);
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 20px;
  --ff-display: 'Bricolage Grotesque', sans-serif;
  --ff-body:    'Inter', sans-serif;
  --maxw: 1240px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--ff-body);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent); color: #fff; }
img { max-width: 100%; }
a { color: inherit; }

/* skip navigation */
.skip-nav {
  position: absolute; top: -100%; left: 1rem;
  background: var(--accent); color: #fff;
  padding: 0.5rem 1rem; border-radius: var(--r-sm);
  font-size: 0.875rem; font-weight: 600; text-decoration: none; z-index: 9999;
  transition: top 0.2s;
}
.skip-nav:focus { top: 1rem; }
/* Visually-hidden (screen-reader only) — used for structural headings that shouldn't alter the visual design. */
.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; }

/* ── SCROLL ANIMATIONS ── */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
.reveal.d5 { transition-delay: 0.40s; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 200;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6%;
  background: rgba(5,7,9,0.82);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-logo {
  font-family: var(--ff-display);
  font-size: 1rem; font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none; letter-spacing: -0.01em;
}
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--text-2); text-decoration: none;
  font-size: 0.875rem; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-1); }
.nav-cta {
  background: var(--accent) !important; color: #fff !important;
  padding: 0.5rem 1.25rem; border-radius: var(--r-sm);
  font-weight: 600 !important;
  box-shadow: 0 0 20px rgba(59,130,246,0.35);
  transition: box-shadow 0.2s, opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.9; box-shadow: 0 0 32px rgba(59,130,246,0.55); }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--accent); color: #fff;
  padding: 0.875rem 1.75rem; border-radius: var(--r-sm);
  font-weight: 700; font-size: 0.92rem; text-decoration: none;
  box-shadow: 0 0 32px rgba(59,130,246,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 48px rgba(59,130,246,0.65); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; color: var(--text-1);
  padding: 0.875rem 1.75rem; border-radius: var(--r-sm);
  font-weight: 600; font-size: 0.92rem; text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { border-color: var(--border-a); background: rgba(59,130,246,0.05); }

/* ── SHARED SECTION CHROME ── */
section { padding: 108px 6%; }
.wrap { max-width: var(--maxw); margin: 0 auto; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: #93C5FD; margin-bottom: 1rem;
}
.sec-tag::before {
  content: ''; display: block; width: 24px; height: 2px; background: var(--accent);
  border-radius: 2px;
}
.sec-h2 {
  font-family: var(--ff-display);
  font-size: clamp(1.85rem, 3vw, 2.9rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -0.028em; margin-bottom: 1rem;
}
.sec-lead {
  font-size: 1.05rem; color: var(--text-2); line-height: 1.8;
  max-width: 620px; margin-bottom: 4rem;
}
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ── INTERIOR PAGE HERO (about / blog / tools / contact / posts) ── */
.page-hero {
  position: relative; overflow: hidden;
  padding: 148px 6% 72px;
  border-bottom: 1px solid var(--border);
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero-orb {
  position: absolute; top: -40%; right: -10%;
  width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.10) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}
.page-hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.03em; margin-bottom: 1.1rem; max-width: 16ch;
}
.page-hero .lead { font-size: 1.08rem; color: var(--text-2); line-height: 1.75; max-width: 620px; }

/* breadcrumb */
.crumbs { display: flex; gap: 0.5rem; align-items: center; font-size: 0.8rem; color: var(--text-3); margin-bottom: 1.4rem; }
.crumbs a { color: var(--text-3); text-decoration: none; transition: color 0.2s; }
.crumbs a:hover { color: var(--text-1); }
.crumbs span { color: var(--border-a); }

/* ── PROSE / ARTICLE BODY ── */
.prose { max-width: 720px; margin: 0 auto; }
.prose > * { margin-bottom: 1.4rem; }
.prose p { color: var(--text-2); line-height: 1.85; font-size: 1.06rem; }
.prose h2 {
  font-family: var(--ff-display); font-size: 1.6rem; font-weight: 800;
  color: var(--text-1); letter-spacing: -0.02em; margin-top: 2.75rem; line-height: 1.25;
}
.prose h3 {
  font-family: var(--ff-display); font-size: 1.2rem; font-weight: 700;
  color: var(--text-1); margin-top: 2rem;
}
.prose ul, .prose ol { color: var(--text-2); padding-left: 1.3rem; line-height: 1.85; }
.prose li { margin-bottom: 0.6rem; }
.prose a { color: #93C5FD; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(59,130,246,0.4); }
.prose a:hover { text-decoration-color: #93C5FD; }
.prose strong { color: var(--text-1); font-weight: 700; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  background: rgba(59,130,246,0.05);
  padding: 1rem 1.5rem; border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--text-1); font-size: 1.1rem; font-style: italic;
}
.prose code {
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.12rem 0.45rem; font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: #C4B5FD;
}
.prose hr { border: none; border-top: 1px solid var(--border); margin: 3rem 0; }
.prose img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: var(--r-md); background: #fff; }
.prose figure { margin: 0; }
.prose figcaption { font-size: 0.8rem; color: var(--text-3); margin-top: 0.6rem; text-align: center; }
/* article tables */
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9rem; display: block; overflow-x: auto; }
.prose thead th { text-align: left; font-family: var(--ff-display); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: #93C5FD; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--border-a); white-space: nowrap; }
.prose tbody td { padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--border); color: var(--text-2); vertical-align: top; line-height: 1.55; }
.prose tbody tr:last-child td { border-bottom: none; }

/* draft / placeholder callout */
.draft-note {
  display: flex; gap: 0.75rem; align-items: flex-start;
  background: rgba(59,130,246,0.06); border: 1px solid rgba(59,130,246,0.28);
  border-radius: var(--r-md); padding: 1rem 1.25rem; margin-bottom: 2.5rem;
  font-size: 0.85rem; color: #93C5FD; line-height: 1.6;
}
.draft-note strong { color: #BFDBFE; }

/* ── BLOG CARDS ── */
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.75rem; }
.post-card {
  display: flex; flex-direction: column;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 2rem; text-decoration: none;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.post-card:hover { border-color: var(--border-a); transform: translateY(-5px); box-shadow: 0 28px 56px rgba(0,0,0,0.38); }
.post-meta { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.post-cat {
  display: inline-block; border-radius: 100px; padding: 0.22rem 0.85rem;
  font-size: 0.66rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  background: rgba(59,130,246,0.1); color: #93C5FD; border: 1px solid rgba(59,130,246,0.25);
}
.post-date { font-size: 0.74rem; color: var(--text-3); }
.post-card h3 {
  font-family: var(--ff-display); font-size: 1.2rem; font-weight: 700;
  line-height: 1.3; color: var(--text-1); margin-bottom: 0.7rem;
}
.post-card p { font-size: 0.9rem; color: var(--text-2); line-height: 1.72; margin-bottom: 1.25rem; flex: 1; }
.post-more {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.8rem; font-weight: 700; color: #93C5FD; letter-spacing: 0.02em;
  transition: gap 0.2s;
}
.post-card:hover .post-more { gap: 0.6rem; }

/* ── NEWSLETTER BAND ── */
.newsletter {
  background: var(--bg-1);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.newsletter-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 900px; height: 500px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.newsletter-inner { max-width: 640px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.newsletter h2 {
  font-family: var(--ff-display); font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800; letter-spacing: -0.025em; margin-bottom: 0.9rem; line-height: 1.15;
}
.newsletter p { color: var(--text-2); line-height: 1.7; margin-bottom: 2rem; font-size: 1rem; }
.newsletter-form { display: flex; gap: 0.75rem; max-width: 460px; margin: 0 auto; flex-wrap: wrap; }
.newsletter-form input {
  flex: 1; min-width: 220px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 0.9rem 1.1rem;
  color: var(--text-1); font-family: var(--ff-body); font-size: 0.95rem; outline: none;
  transition: border-color 0.2s;
}
.newsletter-form input:focus { border-color: var(--accent); }
.newsletter-form button {
  background: var(--accent); color: #fff; border: none; cursor: pointer;
  padding: 0.9rem 1.75rem; border-radius: var(--r-sm);
  font-weight: 700; font-size: 0.92rem; font-family: var(--ff-body);
  box-shadow: 0 0 24px rgba(59,130,246,0.4); transition: transform 0.2s, box-shadow 0.2s;
}
.newsletter-form button:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(59,130,246,0.6); }
.newsletter-note { font-size: 0.75rem; color: var(--text-3); margin-top: 1rem; }

/* ── EXPERTISE CARDS ── */
.exp-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.exp-grid-4 { grid-template-columns: repeat(2,1fr); }
.exp-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s; cursor: default;
}
.exp-card:hover { border-color: var(--border-a); transform: translateY(-4px); box-shadow: 0 28px 56px rgba(0,0,0,0.4); }
.exp-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.35rem; }
.exp-num { font-family: var(--ff-display); font-size: 0.9rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.exp-card h3 { font-family: var(--ff-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 0.75rem; }
.exp-card p { font-size: 0.875rem; color: var(--text-2); line-height: 1.75; }
.ei-indigo { background: rgba(59,130,246,0.1); }
.ei-cyan   { background: rgba(6,182,212,0.1); }
.ei-amber  { background: rgba(59,130,246,0.1); }
.ei-green  { background: rgba(59,130,246,0.1); }
.ei-violet { background: rgba(59,130,246,0.1); }
.ei-red    { background: rgba(239,68,68,0.1); }

/* ── CASE STUDIES ── */
.cases-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.75rem; }
.case-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 2.25rem; position: relative; overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.case-card:hover { border-color: var(--border-a); transform: translateY(-5px); box-shadow: 0 28px 56px rgba(0,0,0,0.38); }
.case-card-top-bar { position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.bar-blue  { background: var(--grad-text); }
.bar-green { background: var(--grad-amber); }
.case-pill {
  display: inline-block; border-radius: 100px; padding: 0.22rem 0.875rem;
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 1.25rem; margin-top: 0.5rem;
}
.pill-blue  { background: rgba(59,130,246,0.1);  color: #93C5FD; border: 1px solid rgba(59,130,246,0.25); }
.pill-green { background: rgba(56,189,248,0.1); color: #93C5FD; border: 1px solid rgba(56,189,248,0.28); }
.case-card h3 { font-family: var(--ff-display); font-size: 1.15rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.75rem; margin-top: 0; }
.case-card p { font-size: 0.875rem; color: var(--text-2); line-height: 1.78; margin-bottom: 0; }
.case-nums { display: flex; gap: 2rem; flex-wrap: wrap; padding-bottom: 1.25rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--border); }
.cn-val { font-family: var(--ff-display); font-size: 1.5rem; font-weight: 800; color: #93C5FD; }
.cn-val.green { color: #93C5FD; }
.cn-lbl { font-size: 0.65rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.2rem; }

/* ── TOOLS ── */
.tools-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-bottom: 1.5rem; }
.tool-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  display: flex; flex-direction: column;
}
.tool-card:hover { border-color: rgba(56,189,248,0.35); box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 30px rgba(56,189,248,0.08); transform: translateY(-3px); }
.tool-badge {
  display: inline-block; align-self: flex-start;
  background: rgba(56,189,248,0.09); color: #93C5FD; border: 1px solid rgba(56,189,248,0.28);
  border-radius: 100px; padding: 0.22rem 0.85rem;
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem;
}
.tool-card h3 { font-family: var(--ff-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 0.75rem; }
.tool-card p  { font-size: 0.875rem; color: var(--text-2); line-height: 1.78; margin-bottom: 1.25rem; flex: 1; }
.tool-link { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.8rem; font-weight: 700; color: #C4B5FD; text-decoration: none; letter-spacing: 0.02em; transition: gap 0.2s, opacity 0.2s; }
.tool-link:hover { gap: 0.55rem; opacity: 0.85; }

/* ── TECH STACK ── */
.stack-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.stack-col { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 1.5rem; transition: border-color 0.22s; }
.stack-col:hover { border-color: var(--border-a); }
.stack-col-head { display: flex; align-items: center; gap: 0.6rem; padding-bottom: 0.875rem; margin-bottom: 1rem; border-bottom: 1px solid var(--border); }
.stack-col-icon { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; flex-shrink: 0; }
.sci-indigo { background: rgba(59,130,246,0.15); }
.sci-violet { background: rgba(56,189,248,0.15); }
.sci-amber  { background: rgba(59,130,246,0.15); }
.sci-cyan   { background: rgba(6,182,212,0.15); }
.stack-col h4 { font-size: 0.68rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-2); margin: 0; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tag { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 6px; padding: 0.3rem 0.7rem; font-size: 0.76rem; color: var(--text-2); transition: all 0.18s; cursor: default; }
.tag:hover { border-color: var(--border-a); color: var(--text-1); background: rgba(59,130,246,0.08); }
.tag.tag-accent { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); color: #93C5FD; font-weight: 600; }
.tag.tag-amber { background: rgba(59,130,246,0.09); border-color: rgba(59,130,246,0.28); color: #93C5FD; font-weight: 600; }
.stack-feature {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(59,130,246,0.08) 0%, rgba(56,189,248,0.06) 50%, rgba(59,130,246,0.05) 100%);
  border: 1px solid rgba(59,130,246,0.2); border-radius: var(--r-lg); padding: 1.75rem 2rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 1.5rem;
}
.stack-feature h3 { font-family: var(--ff-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-1); }
.stack-feature p { font-size: 0.85rem; color: var(--text-2); line-height: 1.72; margin-bottom: 1rem; }
.feat-tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* ── CREDENTIALS ── */
.cred-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }
.cred-item { display: flex; gap: 1rem; align-items: flex-start; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.5rem; transition: border-color 0.22s; }
.cred-item:hover { border-color: var(--border-a); }
.cred-item.cred-featured { border-color: rgba(59,130,246,0.3); border-left: 3px solid var(--accent); background: rgba(59,130,246,0.04); }
.cred-item.cred-featured .cred-name { color: var(--text-1); font-size: 0.95rem; }
.cred-featured-tag { display: inline-block; font-size: 0.6rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: #60A5FA; margin-bottom: 0.35rem; }
.cred-name { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.25rem; }
.cred-org  { font-size: 0.78rem; color: var(--text-3); }

/* ── IMPACT BAR ── */
.impact-bar { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 3.5rem 6%; }
.impact-bar-inner { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
.impact-num { text-align: center; flex: 1; min-width: 130px; }
.impact-num-val { font-family: var(--ff-display); font-size: 2.75rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.impact-num-lbl { font-size: 0.8rem; color: var(--text-3); margin-top: 0.5rem; line-height: 1.5; }
.impact-divider { width: 1px; height: 56px; background: var(--border); flex-shrink: 0; }

/* ── CONTACT FORM ── */
.contact-sec { position: relative; overflow: hidden; }
.contact-glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 900px; height: 700px; border-radius: 50%; background: radial-gradient(ellipse, rgba(59,130,246,0.07) 0%, transparent 70%); pointer-events: none; }
.contact-inner { max-width: 780px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.contact-inner .sec-tag { justify-content: center; }
.contact-inner .sec-lead { margin-left: auto; margin-right: auto; margin-bottom: 2.5rem; max-width: 100%; }
.cform { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 3rem; text-align: left; position: relative; }
.cform::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad-main); border-radius: var(--r-xl) var(--r-xl) 0 0; }
.cform-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.25rem; }
.fg { display: flex; flex-direction: column; gap: 0.45rem; }
.fg.full { grid-column: 1/-1; }
.fg label { font-size: 0.72rem; font-weight: 700; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.06em; }
.fg input, .fg textarea, .fg select { background: rgba(255,255,255,0.025); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 0.9rem 1.1rem; color: var(--text-1); font-family: var(--ff-body); font-size: 0.9rem; outline: none; width: 100%; transition: border-color 0.2s; }
.fg input:focus, .fg textarea:focus, .fg select:focus { border-color: var(--accent); }
.fg textarea { min-height: 120px; resize: vertical; }
.fg select option { background: var(--bg-card); }
.cform-foot { display: flex; justify-content: center; align-items: center; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.btn-submit { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--accent); color: #fff; padding: 0.875rem 2.25rem; border-radius: var(--r-sm); font-weight: 700; font-size: 0.92rem; border: none; cursor: pointer; font-family: var(--ff-body); box-shadow: 0 0 32px rgba(59,130,246,0.45); transition: transform 0.2s, box-shadow 0.2s; }
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 0 48px rgba(59,130,246,0.65); }
.form-note { font-size: 0.75rem; color: var(--text-3); }
.form-status { margin-top: 1.1rem; text-align: center; font-size: 0.85rem; line-height: 1.5; min-height: 1.2em; }
.form-status.ok  { color: #6EE7B7; }
.form-status.err { color: #FCA5A5; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }
.contact-links { display: flex; justify-content: center; gap: 2.5rem; margin-top: 2.5rem; flex-wrap: wrap; }
.contact-link { display: flex; align-items: center; gap: 0.5rem; color: var(--text-2); text-decoration: none; font-size: 0.875rem; transition: color 0.2s; }
.contact-link:hover { color: var(--text-1); }

/* ── ABOUT / CAREER TIMELINE ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.about-bio p { color: var(--text-2); line-height: 1.85; margin-bottom: 1.4rem; font-size: 1.05rem; }
.about-bio p:last-child { margin-bottom: 0; }
.industry-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 2rem; }
.ind-badge { background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.2); color: #60A5FA; font-size: 0.72rem; font-weight: 700; padding: 0.38rem 0.9rem; border-radius: var(--r-sm); text-transform: uppercase; letter-spacing: 0.07em; }
.career-timeline { display: flex; flex-direction: column; gap: 0; }
.career-item { display: flex; gap: 1.35rem; padding-bottom: 2.25rem; position: relative; }
.career-item:not(:last-child)::before { content: ''; position: absolute; left: 19px; top: 22px; bottom: 0; width: 1px; background: var(--border); }
.career-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 6px; position: relative; z-index: 1; box-shadow: 0 0 0 3px rgba(59,130,246,0.2); }
.career-body { flex: 1; }
.career-year { font-size: 0.7rem; font-weight: 700; color: #60A5FA; text-transform: uppercase; letter-spacing: 0.09em; margin-bottom: 0.25rem; }
.career-role { font-size: 1rem; font-weight: 700; color: var(--text-1); line-height: 1.3; }
.career-company { font-size: 0.84rem; color: var(--text-3); margin-bottom: 0.45rem; }
.career-desc { font-size: 0.84rem; color: var(--text-2); line-height: 1.72; }

/* ── FOOTER ── */
footer { border-top: 1px solid var(--border); padding: 2.75rem 6%; }
.footer-in { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.footer-brand { max-width: 320px; }
.footer-brand .nav-logo { font-size: 1.1rem; }
.footer-brand p { font-size: 0.82rem; color: var(--text-3); line-height: 1.6; margin-top: 0.6rem; }
.footer-cols { display: flex; gap: 3.5rem; flex-wrap: wrap; }
.footer-col h5 { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-2); font-weight: 800; margin-bottom: 0.9rem; }
.footer-col a { display: block; font-size: 0.84rem; color: var(--text-3); text-decoration: none; margin-bottom: 0.55rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--text-1); }
.footer-bottom { max-width: var(--maxw); margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-copy { font-size: 0.78rem; color: var(--text-3); }

/* ── MOBILE NAV ── */
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; width: 40px; height: 40px; flex-shrink: 0; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-1); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* (Old .mobile-menu panel removed — every page now uses the single #nav-links
   list, which opens as the mobile panel via .nav-links.open.) */

/* ── SECTION 3D CANVAS SUPPORT ── */
.sec-3d { position: relative; overflow: hidden; }
.sec-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; display: block; }
.sec-bg-orb { position: absolute; pointer-events: none; z-index: 0; }
.sec-orb-1 { top: -20%; right: -10%; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(56,189,248,0.08) 0%, transparent 65%); }
.sec-orb-2 { bottom: -15%; left: -15%; width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(circle, rgba(59,130,246,0.07) 0%, transparent 65%); }
.sec-orb-3 { top: -25%; left: -5%; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 65%); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .exp-grid, .cases-grid, .post-grid { grid-template-columns: repeat(2,1fr); }
  .exp-grid-4 { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: repeat(2,1fr); }
  .stack-feature { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links { display: none; }
  /* Single nav list opens as the full-screen mobile panel (mirrors old .mobile-menu). */
  .nav-links.open { display: flex; position: fixed; top: 64px; inset-inline: 0; bottom: 0; z-index: 150; background: var(--bg-1); border-top: 1px solid var(--border); flex-direction: column; align-items: center; justify-content: center; gap: 2.25rem; }
  .nav-links.open a { font-family: var(--ff-display); font-size: 1.4rem; font-weight: 700; }
  .nav-links.open .nav-cta { padding: 0.75rem 2rem; box-shadow: 0 0 24px rgba(59,130,246,0.4); }
  section { padding: 64px 5%; }
  .page-hero { padding: 116px 5% 52px; }
  .impact-bar { padding: 2rem 5%; }
  .cases-grid, .tools-grid, .cred-grid, .post-grid, .cform-row, .stack-grid { grid-template-columns: 1fr; }
  .impact-divider { display: none; }
  .footer-cols { gap: 2rem; }
}

/* ── SCROLL PROGRESS BAR ── */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg,#3B82F6,#3B82F6,#38BDF8,#38BDF8);
  z-index: 300; will-change: transform; pointer-events: none;
  box-shadow: 0 0 14px rgba(59,130,246,0.55);
}

/* ── MARQUEE TICKER BAND ── */
.marquee {
  position: relative; overflow: hidden;
  padding: 1.5rem 0; border-block: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(59,130,246,0.04), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex; align-items: center; gap: 2.5rem;
  white-space: nowrap; will-change: transform;
  animation: marquee 38s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.1rem, 2.2vw, 1.7rem); letter-spacing: -0.01em;
  color: var(--text-2);
}
.marquee-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; box-shadow: 0 0 10px rgba(59,130,246,0.7); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── FEATURED CASE STUDY ── */
.case-card.featured { grid-column: 1 / -1; }
.case-meta { font-size: 0.7rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.6rem; }
.case-approach { list-style: none; margin: 0.9rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.case-approach li { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; padding-left: 0.9rem; position: relative; }
.case-approach li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); }
.case-approach b { color: var(--text-1); font-weight: 700; }

/* ── RECOGNITION / PROOF GALLERY ── */
.proof-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.proof-shot {
  display: block; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 0.5rem; overflow: hidden;
  text-decoration: none; color: var(--text-2);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.proof-shot:hover { border-color: var(--border-a); transform: translateY(-4px); box-shadow: 0 28px 56px rgba(0,0,0,0.4); }
.proof-shot:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.proof-shot img { display: block; width: 100%; height: auto; border-radius: calc(var(--r-lg) - 6px); }

/* ── FEATURED WORK TEASER (home) ── */
.work-teaser-foot { display: flex; justify-content: center; margin-top: 2.5rem; }

@media (max-width: 768px) {
  .proof-grid { grid-template-columns: 1fr; }
  .case-approach { grid-template-columns: 1fr; }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .sec-canvas, #hero-3d { display: none; }
  .sec-bg-orb { animation: none !important; }
  .exp-card, .case-card, .tool-card, .post-card, .stat-chip { transform: none !important; transition: border-color 0.25s, box-shadow 0.25s !important; }
  .marquee-track { animation: none !important; }
  .scroll-progress { display: none; }
  html { scroll-behavior: auto; }
}

/* ── DARK TEXT ON THE LIGHT TEAL ACCENT (contrast) ── */
.btn-primary, .btn-submit, .nav-cta, .newsletter-form button { color: var(--on-accent) !important; }

/* ── GSC DASHBOARD BLOCK (inside featured case) ── */
.case-growth { margin-top: 1.6rem; padding-top: 1.4rem; border-top: 1px solid var(--border); }
.case-growth-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: #93C5FD; font-weight: 700; margin-bottom: 1rem; }
.case-growth-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.case-shot { margin: 0; border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; background: var(--bg-card); transition: border-color 0.25s, transform 0.25s; }
.case-shot:hover { border-color: var(--border-a); transform: translateY(-3px); }
.case-shot a { display: block; cursor: zoom-in; text-decoration: none; color: var(--text-3); }
.case-shot img { display: block; width: 100%; height: auto; }
.case-shot figcaption { font-size: 0.75rem; color: var(--text-3); padding: 0.7rem 0.95rem; line-height: 1.55; }
@media (max-width: 768px) { .case-growth-grid { grid-template-columns: 1fr; } }

/* ── RECOGNITION CAROUSEL ── */
.proof-carousel { position: relative; }
.proof-track {
  display: flex; gap: 1.5rem; overflow-x: auto;
  scroll-snap-type: x mandatory; scroll-behavior: smooth;
  -ms-overflow-style: none; scrollbar-width: none;
  padding: 0.25rem; outline: none;
}
.proof-track::-webkit-scrollbar { display: none; }
.proof-track > .proof-shot { flex: 0 0 calc(50% - 0.75rem); scroll-snap-align: start; }
@media (max-width: 768px) { .proof-track > .proof-shot { flex: 0 0 100%; } }
.pc-arrow {
  position: absolute; top: 38%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(15,23,34,0.88); border: 1px solid var(--border-a);
  color: #fff; font-size: 1.7rem; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, transform 0.2s, opacity 0.2s;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.pc-arrow:hover { background: var(--accent); color: var(--on-accent); transform: translateY(-50%) scale(1.08); }
.pc-arrow:disabled { opacity: 0.3; cursor: default; }
.pc-prev { left: -8px; } .pc-next { right: -8px; }
@media (max-width: 600px) { .pc-arrow { display: none; } }
.pc-dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1.5rem; }
.pc-dot { width: 8px; height: 8px; border-radius: 50%; padding: 0; border: none; background: var(--border-a); cursor: pointer; transition: background 0.25s, width 0.25s; }
.pc-dot.active { background: var(--accent); width: 22px; border-radius: 100px; }

/* Proof shots become zoomable tiles */
.proof-shot { position: relative; cursor: zoom-in; }
.proof-shot::after {
  content: '⤢ Click to enlarge';
  position: absolute; bottom: 0.5rem; right: 0.5rem;
  font-size: 0.68rem; font-weight: 600; color: #fff;
  background: rgba(5,7,9,0.78); border: 1px solid var(--border-a);
  padding: 0.25rem 0.6rem; border-radius: 100px;
  opacity: 0; transition: opacity 0.2s; pointer-events: none;
}
.proof-shot:hover::after { opacity: 1; }

/* ── LIGHTBOX ── */
.lightbox {
  position: fixed; inset: 0; z-index: 500; display: none;
  align-items: center; justify-content: center;
  background: rgba(5,7,9,0.93); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  padding: 4vmin; cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 96%; max-height: 92vh; width: auto; height: auto;
  border-radius: 10px; border: 1px solid var(--border-a);
  box-shadow: 0 30px 90px rgba(0,0,0,0.65); cursor: default;
}
.lightbox-close { position: absolute; top: 16px; right: 22px; font-size: 2.2rem; line-height: 1; color: #fff; background: none; border: none; cursor: pointer; opacity: 0.85; }
.lightbox-close:hover { opacity: 1; }

/* ── BLOG POST: TABLE OF CONTENTS (sidebar) ── */
.post-layout { display: grid; grid-template-columns: 220px minmax(0, 720px); gap: 3rem; justify-content: center; align-items: start; }
.toc { position: sticky; top: 88px; font-size: 0.85rem; }
.toc-title { font-size: 0.68rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 0.9rem; }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.toc li { margin: 0; }
.toc a { display: block; color: var(--text-2); text-decoration: none; padding: 0.35rem 0 0.35rem 1rem; margin-left: -1px; border-left: 2px solid transparent; line-height: 1.4; transition: color 0.2s, border-color 0.2s; }
.toc a:hover { color: var(--text-1); }
.toc a.active { color: #93C5FD; border-left-color: var(--accent); }
.post-layout .prose { margin: 0; }
@media (max-width: 900px) {
  .post-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .toc { position: static; top: auto; border: 1px solid var(--border); border-radius: var(--r-md); padding: 1rem 1.25rem; background: var(--bg-card); }
  .toc ul { border-left: none; }
  .toc a { padding-left: 0; border-left: none; }
  .toc a.active { border-left: none; }
}

/* ── BLOG POST: AUTHOR BIO ── */
.author-box { display: flex; gap: 1.25rem; align-items: flex-start; margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.author-avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border-a); flex-shrink: 0; }
.author-name { font-family: var(--ff-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 0.35rem; }
.author-meta p { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; margin-bottom: 0.75rem; }
.author-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.author-links a { font-size: 0.82rem; font-weight: 600; color: #93C5FD; text-decoration: none; }
.author-links a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ── BLOG POST: READ NEXT ── */
.read-next { max-width: var(--maxw); margin: 4rem auto 0; }
.read-next-title { font-family: var(--ff-display); font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1.5rem; }

/* ── HOMEPAGE: LATEST POSTS ── */
.latest-foot { display: flex; justify-content: center; margin-top: 2.5rem; }

/* ── FORM VALIDATION STATES ── */
.fg input.invalid, .fg select.invalid, .fg textarea.invalid, .newsletter-form input.invalid { border-color: #FCA5A5; }
.fg .field-msg { font-size: 0.72rem; color: #FCA5A5; min-height: 0.9em; }

/* ── FREE TOOLS GRID (tools page) ── */
.free-tools-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 1.75rem; }
.free-tool-card {
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: linear-gradient(135deg, rgba(59,130,246,0.08) 0%, rgba(56,189,248,0.05) 60%, transparent 100%);
  border: 1px solid var(--border-a); border-radius: var(--r-lg); padding: 1.75rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.free-tool-card:hover { transform: translateY(-4px); box-shadow: 0 28px 56px rgba(0,0,0,0.4); border-color: var(--accent); }
.free-tool-ic { font-size: 1.6rem; margin-bottom: 0.9rem; }
.free-tool-card h3 { font-family: var(--ff-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.55rem; }
.free-tool-card p { font-size: 0.86rem; color: var(--text-2); line-height: 1.65; margin-bottom: 1rem; flex: 1; }
.free-tool-cta { font-weight: 700; font-size: 0.85rem; color: #93C5FD; }
@media (max-width: 700px) { .free-tools-grid { grid-template-columns: 1fr; } }

/* ── SHARED TOOL-PAGE UI (citeability / serp / fan-out / schema) ── */
.tool-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 2rem; position: relative; }
.tool-panel::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad-main); border-radius: var(--r-xl) var(--r-xl) 0 0; }
.tool-label { font-size: 0.72rem; font-weight: 700; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.06em; display: block; margin-bottom: 0.5rem; }
.tool-input, .tool-textarea, .tool-select {
  width: 100%; background: rgba(255,255,255,0.025); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 0.85rem 1.05rem; color: var(--text-1);
  font-family: var(--ff-body); font-size: 0.92rem; outline: none; transition: border-color 0.2s;
}
.tool-input:focus, .tool-textarea:focus, .tool-select:focus { border-color: var(--accent); }
.tool-textarea { min-height: 180px; resize: vertical; line-height: 1.6; }
.tool-row { margin-bottom: 1.25rem; }
.tool-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }
.tool-hint { font-size: 0.76rem; color: var(--text-3); margin-top: 0.4rem; }
.tool-count { font-size: 0.76rem; color: var(--text-3); }
.tool-count.warn { color: #FCD34D; }
.tool-count.bad { color: #FCA5A5; }
.tool-output { margin-top: 2rem; }

/* score ring */
.score-wrap { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.score-ring { --p: 0; width: 120px; height: 120px; border-radius: 50%; flex-shrink: 0;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), rgba(255,255,255,0.06) 0);
  display: flex; align-items: center; justify-content: center; position: relative; }
.score-ring::after { content: ''; position: absolute; inset: 10px; border-radius: 50%; background: var(--bg-card); }
.score-num { position: relative; z-index: 1; font-family: var(--ff-display); font-size: 1.9rem; font-weight: 800; }
.score-verdict h3 { font-family: var(--ff-display); font-size: 1.25rem; font-weight: 800; margin-bottom: 0.3rem; }
.score-verdict p { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; }

/* check list */
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.check-item { display: flex; gap: 0.85rem; align-items: flex-start; background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: var(--r-md); padding: 0.9rem 1.1rem; }
.check-mark { flex-shrink: 0; font-weight: 800; width: 1.4rem; text-align: center; }
.check-item.pass .check-mark { color: #6EE7B7; }
.check-item.warn .check-mark { color: #FCD34D; }
.check-item.fail .check-mark { color: #FCA5A5; }
.check-body strong { display: block; font-size: 0.88rem; color: var(--text-1); margin-bottom: 0.15rem; }
.check-body span { font-size: 0.82rem; color: var(--text-2); line-height: 1.55; }

/* SERP preview */
.serp { background: #fff; border-radius: 10px; padding: 1.25rem 1.4rem; max-width: 600px; }
.serp-url { color: #202124; font-size: 14px; line-height: 1.3; }
.serp-url .path { color: #4d5156; }
.serp-title { color: #1a0dab; font-size: 20px; line-height: 1.3; margin: 3px 0; font-family: arial, sans-serif; }
.serp-desc { color: #4d5156; font-size: 14px; line-height: 1.58; font-family: arial, sans-serif; }
.seg-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 100px; overflow: hidden; }
.seg-toggle button { background: none; border: none; color: var(--text-2); padding: 0.4rem 1rem; font-family: var(--ff-body); font-size: 0.8rem; font-weight: 600; cursor: pointer; }
.seg-toggle button.active { background: var(--accent); color: var(--on-accent); }

/* fan-out chips */
.fanout-group { margin-bottom: 1.5rem; }
.fanout-group h4 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: #93C5FD; font-weight: 800; margin-bottom: 0.75rem; }
.fanout-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.fanout-chip { background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.25); color: var(--text-1); border-radius: 100px; padding: 0.4rem 0.9rem; font-size: 0.82rem; }

/* code block + copy */
.code-block { position: relative; background: #0a0e15; border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.25rem 1.35rem; overflow-x: auto; }
.code-block pre { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; line-height: 1.6; color: #C4D6F5; white-space: pre; }
.copy-btn { position: absolute; top: 0.75rem; right: 0.75rem; background: rgba(255,255,255,0.06); border: 1px solid var(--border); color: var(--text-2); border-radius: var(--r-sm); padding: 0.35rem 0.7rem; font-size: 0.72rem; font-weight: 600; cursor: pointer; transition: background 0.2s, color 0.2s; }
.copy-btn:hover { background: var(--accent); color: var(--on-accent); }
.faq-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }
@media (max-width: 560px) { .faq-pair { grid-template-columns: 1fr; } }

/* ── BLOG FILTER + SEARCH ── */
.blog-filter { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.blog-search { flex: 1; min-width: 220px; max-width: 320px; }
.blog-search input {
  width: 100%; background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.7rem 1.1rem; color: var(--text-1);
  font-family: var(--ff-body); font-size: 0.9rem; outline: none; transition: border-color 0.2s;
}
.blog-search input:focus { border-color: var(--accent); }
.chip-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.chip {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  color: var(--text-2); border-radius: 100px; padding: 0.45rem 1rem;
  font-family: var(--ff-body); font-size: 0.8rem; font-weight: 600; cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.chip:hover { color: var(--text-1); border-color: var(--border-a); }
.chip.active { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
.blog-empty { text-align: center; color: var(--text-2); padding: 2rem 0; }
.blog-clear { background: none; border: none; color: #93C5FD; font-weight: 600; cursor: pointer; font-size: 1em; }
.blog-clear:hover { text-decoration: underline; }
.blog-foot { margin-top: 3rem; display: flex; justify-content: center; }
.blog-rss { font-size: 0.82rem; font-weight: 600; color: var(--text-3); text-decoration: none; border: 1px solid var(--border); border-radius: 100px; padding: 0.5rem 1.1rem; transition: color 0.2s, border-color 0.2s; }
.blog-rss:hover { color: var(--text-1); border-color: var(--border-a); }
@media (max-width: 600px) { .blog-filter { flex-direction: column; align-items: stretch; } .blog-search { max-width: none; } }