:root{
  --ink: #14141A;
  --ink-soft: #5A5A66;
  --paper: #FAFAF8;
  --card: #FFFFFF;
  --indigo: #4B3BF0;
  --indigo-deep: #3A2CC4;
  --coral: #FF5D5D;
  --line: #E7E7E2;
  --line-strong: #D3D3CC;
  --radius: 2px;
}
*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{ margin:0; background: var(--paper); color: var(--ink); font-family: 'Inter', sans-serif; -webkit-font-smoothing: antialiased; }
@media (prefers-reduced-motion: reduce){ *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } }
a{ color: inherit; }
img{ max-width:100%; display:block; }
.wrap{ max-width: 1160px; margin: 0 auto; padding: 0 24px; }
h1,h2,h3{ font-family:'Space Grotesk', sans-serif; margin:0; letter-spacing: -0.02em; }

.site-nav{ position: sticky; top:0; z-index: 100; background: rgba(250,250,248,0.92); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line-strong); }
.nav-inner{ max-width: 1160px; margin:0 auto; padding: 18px 24px; display:flex; align-items:center; justify-content: space-between; }
.nav-logo{ display:inline-flex; align-items:center; gap:10px; font-family:'Space Grotesk', sans-serif; font-weight:700; font-size: 19px; text-decoration:none; color: var(--ink); }
.nav-logo-mark{ width: 30px; height:30px; border-radius:50%; background: var(--card); border: 1.5px solid var(--ink); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.nav-logo-mark svg{ width:18px; height:18px; }
.nav-links{ display:flex; align-items:center; gap: 30px; }
.nav-links a{ text-decoration:none; color: var(--ink-soft); font-size: 13.5px; font-weight:600; transition: color 0.15s ease; }
.nav-links a:hover{ color: var(--ink); }
.nav-cta{ background: var(--ink); color: var(--paper) !important; padding: 10px 20px; border-radius: 30px; }
.nav-cta:hover{ background: var(--indigo) !important; }
.nav-toggle{ display:none; background:none; border:none; color:var(--ink); font-size:22px; cursor:pointer; }
@media (max-width: 900px){
  .nav-links{ position: absolute; top:100%; left:0; right:0; background: var(--paper); flex-direction: column; align-items: flex-start; gap: 0; border-bottom: 1px solid var(--line-strong); max-height:0; overflow:hidden; transition: max-height 0.25s ease; }
  .nav-links.open{ max-height: 440px; }
  .nav-links a{ width:100%; padding: 16px 24px; border-bottom: 1px solid var(--line); box-sizing:border-box; }
  .nav-cta{ margin: 14px 24px; text-align:center; }
  .nav-toggle{ display:block; }
}

.hero{ padding: clamp(80px,12vw,130px) 24px clamp(60px,9vw,90px); border-bottom: 1px solid var(--line-strong); }
.hero-inner{ max-width: 1160px; margin: 0 auto; }
.eyebrow{ display:inline-flex; align-items:center; gap:8px; font-family:'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--indigo); margin-bottom: 24px; }
.eyebrow .dot{ width:6px; height:6px; background: var(--coral); border-radius:50%; }
.hero h1{ font-size: clamp(44px, 7.5vw, 92px); line-height: 0.98; color: var(--ink); max-width: 14ch; }
.hero h1 span{ color: var(--indigo); }
.hero-sub{ color: var(--ink-soft); font-size: 16.5px; line-height: 1.65; margin: 26px 0 34px; max-width: 52ch; }
.hero-actions{ display:flex; gap: 16px; flex-wrap: wrap; }
.btn{ display:inline-flex; align-items:center; gap:8px; font-family:'Inter',sans-serif; font-weight:600; font-size: 14px; padding: 15px 28px; border-radius: 30px; text-decoration:none; cursor:pointer; border: 1px solid transparent; transition: all 0.18s ease; }
.btn-primary{ background: var(--indigo); color: #fff; }
.btn-primary:hover{ background: var(--indigo-deep); }
.btn-ghost{ border-color: var(--ink); color: var(--ink); background:none; }
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.hero-strip{ display:flex; gap: 40px; margin-top: 54px; flex-wrap: wrap; }
.hero-strip div{ }
.hero-strip b{ display:block; font-family:'Space Grotesk', sans-serif; font-size: 30px; color: var(--ink); }
.hero-strip span{ font-family:'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--ink-soft); text-transform:uppercase; letter-spacing:0.04em; }

section{ padding: 84px 0; border-top: 1px solid var(--line-strong); }
.section-head{ max-width: 640px; margin: 0 0 44px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size: clamp(30px,4.5vw,44px); color: var(--ink); }
.section-head p{ color: var(--ink-soft); margin-top: 14px; line-height: 1.7; font-size: 14.5px; }

/* Case studies */
.case-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
@media (max-width: 900px){ .case-grid{ grid-template-columns:1fr; } }
.case-card{ border: 1px solid var(--line-strong); border-radius: var(--radius); overflow:hidden; transition: transform 0.15s ease; }
.case-card:hover{ transform: translateY(-4px); }
.case-visual{ aspect-ratio: 4/3; display:flex; align-items:center; justify-content:center; position:relative; }
.case-visual svg{ width:36%; opacity:0.9; }
.c1{ background: linear-gradient(150deg,#4B3BF0,#3A2CC4); }
.c2{ background: linear-gradient(150deg,#FF5D5D,#D93E3E); }
.c3{ background: linear-gradient(150deg,#14141A,#2C2C36); }
.case-body{ padding: 22px; background: var(--card); }
.case-body .tag{ font-family:'IBM Plex Mono', monospace; font-size: 10.5px; text-transform:uppercase; color: var(--indigo); letter-spacing:0.05em; }
.case-body h3{ font-size: 18px; margin: 8px 0 10px; }
.case-metric{ font-family:'Space Grotesk', sans-serif; font-weight:700; font-size: 22px; color: var(--ink); }
.case-metric span{ font-family:'Inter',sans-serif; font-weight:400; font-size: 12px; color: var(--ink-soft); }

/* Services */
.services-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); }
@media (max-width: 900px){ .services-grid{ grid-template-columns: repeat(2,1fr); } }
.service-item{ background: var(--card); padding: 30px 24px; }
.service-item .num{ font-family:'IBM Plex Mono', monospace; font-size: 11px; color: var(--indigo); }
.service-item h3{ font-size: 17px; margin: 14px 0 8px; }
.service-item p{ color: var(--ink-soft); font-size: 12.5px; line-height:1.6; margin:0; }

/* Process */
.process-row{ display:grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
@media (max-width: 860px){ .process-row{ grid-template-columns: repeat(2,1fr); } }
.process-step{ border-top: 3px solid var(--ink); padding-top: 16px; }
.process-step .num{ font-family:'Space Grotesk', sans-serif; font-size: 34px; color: var(--indigo); }
.process-step h3{ font-size: 15px; margin: 8px 0 6px; }
.process-step p{ font-size: 12.5px; color: var(--ink-soft); line-height:1.5; margin:0; }

/* Stats */
.stats-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
@media (max-width: 860px){ .stats-grid{ grid-template-columns: repeat(2,1fr); } }
.stat-card{ border-left: 3px solid var(--indigo); padding-left: 16px; }
.stat-card .n{ font-family:'Space Grotesk', sans-serif; font-weight:700; font-size: 34px; color: var(--ink); }
.stat-card .l{ font-family:'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--ink-soft); text-transform:uppercase; letter-spacing:0.04em; margin-top: 4px; }

.testi-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
@media (max-width: 860px){ .testi-grid{ grid-template-columns:1fr; } }
.testi{ background: var(--card); border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 26px; }
.testi p{ color: var(--ink); font-size: 14.5px; line-height: 1.7; margin:0; }
.testi .who{ margin-top: 16px; font-family:'IBM Plex Mono', monospace; font-size: 11px; color: var(--ink-soft); }

#quote{ background: var(--ink); color: var(--paper); border-top:none; }
#quote .section-head h2{ color:#fff; }
#quote .section-head p{ color: rgba(250,250,248,0.7); }
.quote-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:start; }
@media (max-width: 860px){ .quote-grid{ grid-template-columns:1fr; } }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
@media (max-width: 500px){ .form-row{ grid-template-columns: 1fr; } }
.field label{ display:block; font-family:'IBM Plex Mono', monospace; font-size: 10.5px; text-transform:uppercase; letter-spacing:0.05em; color: rgba(250,250,248,0.6); margin-bottom: 8px; }
.field input, .field select{ width:100%; background: rgba(255,255,255,0.06); border: 1px solid rgba(250,250,248,0.2); color: #fff; padding: 12px 14px; border-radius: 4px; font-family:'Inter', sans-serif; font-size: 14px; outline:none; }
.field input:focus, .field select:focus{ border-color: var(--indigo); }
.quote-form .btn{ width:100%; justify-content:center; margin-top: 8px; border:none; }
.quote-note{ color: rgba(250,250,248,0.55); font-size: 12px; margin-top: 14px; text-align:center; font-family:'IBM Plex Mono', monospace; }
.quote-points{ list-style:none; padding:0; margin: 0; }
.quote-points li{ display:flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(250,250,248,0.12); font-size: 13.5px; color: rgba(250,250,248,0.85); }
.quote-points svg{ width:18px; height:18px; color: var(--indigo); flex-shrink:0; margin-top:2px; }

.contact-wrap{ max-width: 980px; margin: 0 auto; padding: 70px 24px 90px; display:grid; grid-template-columns: 1fr 1fr; gap: 60px; }
@media (max-width: 820px){ .contact-wrap{ grid-template-columns:1fr; } }
.contact-info .item{ display:flex; gap:12px; align-items:flex-start; margin-bottom: 22px; }
.contact-info svg{ width:18px; height:18px; color: var(--indigo); flex-shrink:0; margin-top:3px; }
.contact-info .item div{ font-size: 14.5px; color: var(--ink-soft); line-height:1.6; }
.contact-info .item .label{ font-family:'IBM Plex Mono', monospace; font-size: 10.5px; text-transform:uppercase; letter-spacing:0.06em; color: var(--ink); display:block; margin-bottom:4px; }
.contact-quick{ display:flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.contact-wrap .field label{ color: var(--ink-soft); }
.contact-wrap .field input, .contact-wrap .field select, .contact-wrap .field textarea{ background: var(--card); border: 1px solid var(--line-strong); color: var(--ink); }
.contact-wrap .field input:focus, .contact-wrap .field select:focus, .contact-wrap .field textarea:focus{ border-color: var(--indigo); }

.page-hero{ padding: clamp(64px,9vw,96px) 24px 50px; border-bottom: 1px solid var(--line-strong); }
.page-hero h1{ font-size: clamp(34px,5.5vw,54px); color: var(--ink); max-width:16ch; }
.page-hero p{ max-width: 52ch; margin: 16px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 1.6; }

.prose{ max-width: 700px; margin: 0 auto; padding: 70px 24px 90px; }
.prose h2{ font-size: 19px; color: var(--ink); margin: 32px 0 10px; letter-spacing:-0.01em; }
.prose h2:first-child{ margin-top:0; }
.prose p, .prose li{ color: var(--ink-soft); font-size: 14.5px; line-height: 1.8; }
.prose p + p{ margin-top: 12px; }
.prose ul{ padding-left: 20px; }
.prose .updated{ font-family:'IBM Plex Mono', monospace; font-size: 11.5px; color: var(--indigo); margin-bottom: 26px; display:block; }
.prose .muted-note{ margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line-strong); color: var(--ink-soft); font-size: 12.5px; font-style: italic; }

.faq-wrap{ max-width: 720px; margin: 0 auto; padding: 70px 24px 90px; }
.faq-item{ border-bottom: 1px solid var(--line-strong); }
.faq-item:first-child{ border-top: 1px solid var(--line-strong); }
.faq-q{ width:100%; text-align:left; background:none; border:none; cursor:pointer; margin:0; display:flex; align-items:center; justify-content:space-between; gap:16px; padding: 20px 2px; font-family:'Space Grotesk', sans-serif; font-weight:600; font-size: 17px; color: var(--ink); }
.faq-q .icon{ font-family:'IBM Plex Mono', monospace; font-size:18px; color: var(--indigo); transition: transform 0.2s ease; flex-shrink:0; }
.faq-item.open .faq-q .icon{ transform: rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height 0.25s ease; }
.faq-item.open .faq-a{ max-height: 300px; }
.faq-a-inner{ padding: 0 2px 20px; color: var(--ink-soft); font-size: 14px; line-height: 1.75; max-width: 62ch; }

.link-list{ max-width: 640px; margin: 0 auto; padding: 70px 24px 90px; list-style:none; }
.link-list li{ border-bottom: 1px solid var(--line-strong); }
.link-list li:first-child{ border-top: 1px solid var(--line-strong); }
.link-row{ display:flex; align-items:center; justify-content:space-between; gap:16px; padding: 18px 2px; text-decoration:none; color: var(--ink); transition: color 0.15s ease; }
.link-row:hover{ color: var(--indigo); }
.link-row .path{ font-family:'IBM Plex Mono', monospace; font-size: 12px; color: var(--ink-soft); }

.error-page{ min-height: 60vh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding: 40px 24px; }
.error-page .code{ font-family:'Space Grotesk', sans-serif; font-weight:700; font-size: 110px; color: var(--indigo); line-height:1; }
.error-page p{ color: var(--ink-soft); margin: 14px 0 26px; font-size: 15px; }

footer{ background: var(--ink); color: rgba(250,250,248,0.7); padding: 46px 0 30px; }
.footer-top{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap: 30px; margin-bottom: 30px; }
.footer-brand{ font-family:'Space Grotesk', sans-serif; font-weight:700; font-size: 19px; color: #fff; }
.footer-brand span{ color: var(--indigo); }
.footer-links{ display:flex; gap: 22px; flex-wrap:wrap; }
.footer-links a{ font-size: 13px; text-decoration:none; color: rgba(250,250,248,0.7); }
.footer-links a:hover{ color: #fff; }
.footer-bottom{ border-top: 1px solid rgba(250,250,248,0.15); padding-top: 20px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-family:'IBM Plex Mono', monospace; font-size: 10.5px; color: rgba(250,250,248,0.55); }
.footer-bottom a{ color: var(--indigo); text-decoration:none; }

.to-top{ position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%; background: var(--indigo); color: #fff; border: 1px solid var(--indigo-deep); display:flex; align-items:center; justify-content:center; cursor:pointer; box-shadow: 0 10px 24px -12px rgba(20,20,26,0.4); opacity:0; transform: translateY(10px); pointer-events:none; transition: opacity 0.2s ease, transform 0.2s ease; z-index: 90; }
.to-top.show{ opacity:1; transform: translateY(0); pointer-events:auto; }
.to-top svg{ width:18px; height:18px; }