:root{
    --bg: #FFFFFF;
    --bg-alt: #F3F2EC;
    --ink: #0E0E0C;
    --ink-soft: #63615A;
    --olive: #4B7A22;
    --olive-deep: #101210;
    --line: rgba(14,14,12,0.13);
    --radius: 4px;
    --ease: cubic-bezier(.22,.68,0,1);
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  body{
    margin:0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
  }
  body::before{
    content:"";
    position: fixed; inset:0; z-index: 500; pointer-events:none;
    opacity: 0.035; mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  @media (prefers-reduced-motion: reduce){ body::before{ display:none; } }
  h1,h2,h3,.display{
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--ink);
  }
  .eyebrow{
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--olive);
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .eyebrow::before{
    content:"";
    width: 22px; height: 1px;
    background: var(--olive);
    display:inline-block;
  }
  a{ color: inherit; text-decoration: none; }
  img,svg{ display:block; max-width:100%; }
  section{ position: relative; padding: 120px 8vw; }
  @media (max-width: 780px){ section{ padding: 80px 6vw; } }

  ::selection{ background: var(--olive); color: var(--bg); }

  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
    outline: 2px solid var(--olive);
    outline-offset: 3px;
  }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  }

  /* ---------- NAV ---------- */
  header{
    position: fixed; top:0; left:0; right:0; z-index: 100;
    display:flex; align-items:center; justify-content:space-between;
    padding: 26px 8vw;
    background: rgba(255,255,255,0.86);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color .4s var(--ease), padding .3s var(--ease);
  }
  header.scrolled{ border-color: var(--line); padding: 16px 8vw; }
  .logo{
    display:flex; align-items:center; gap:9px;
    font-family:'Space Grotesk', sans-serif; font-size: 1.22rem; font-weight:700;
  }
  .logo .dot{ width:8px; height:8px; border-radius:50%; background: var(--olive); display:inline-block; }
  .logo .amp{ color: var(--olive); }
  nav ul{
    list-style:none; display:flex; align-items:center; gap: 36px; margin:0; padding:0;
  }
  nav a{
    font-size: 0.92rem; position: relative; padding-bottom: 4px;
  }
  nav a::after{
    content:""; position:absolute; left:0; bottom:0; width:0; height:1px;
    background: var(--ink); transition: width .3s var(--ease);
  }
  nav a:hover::after{ width:100%; }
  .nav-cta{
    border:1.5px solid var(--ink); padding: 10px 22px; border-radius: 999px;
    font-size: 0.85rem; white-space:nowrap; font-weight:500;
    transition: background .25s var(--ease), color .25s var(--ease);
  }
  .nav-cta::after{ display:none; }
  .nav-cta:hover{ background: var(--ink); color: var(--bg); }
  .nav-toggle{ display:none; background:none; border:none; cursor:pointer; }
  @media (max-width: 860px){
    nav ul{
      position: fixed; top:0; right:0; height:100vh; width: 78vw; max-width:320px;
      background: var(--ink); flex-direction: column; justify-content:center;
      gap: 30px; padding: 40px; transform: translateX(100%);
      transition: transform .45s var(--ease); z-index: 99;
    }
    nav ul.open{ transform: translateX(0); }
    nav ul a{ color: var(--bg); font-size:1.1rem; }
    .nav-cta{ border-color: var(--bg); display:inline-block; }
    .nav-toggle{ display:block; z-index: 101; }
  }
  .nav-toggle span{
    display:block; width:24px; height:2px; background: var(--ink); margin:5px 0;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
  }
  .nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity:0; }
  .nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  /* ---------- HERO ---------- */
  .hero{
    min-height: 92vh; display:flex; flex-direction:column; justify-content:center;
    padding-top: 140px; position: relative; overflow: hidden;
  }
  .hero::before{
    content:"";
    position:absolute; inset:0; z-index:0; pointer-events:none;
    background: radial-gradient(480px circle at var(--mx,50%) var(--my,20%), rgba(75,122,34,0.14), transparent 60%);
    transition: background .15s ease-out;
  }
  .blob{
    position:absolute; border-radius:50%; filter: blur(70px); z-index:0; pointer-events:none;
    opacity:0.55;
  }
  .blob-1{
    width: 420px; height: 420px; background: radial-gradient(circle, rgba(75,122,34,0.35), transparent 70%);
    top: -80px; right: 6%;
    animation: float-1 16s ease-in-out infinite;
  }
  .blob-2{
    width: 320px; height: 320px; background: radial-gradient(circle, rgba(14,14,12,0.10), transparent 70%);
    bottom: -60px; left: 4%;
    animation: float-2 20s ease-in-out infinite;
  }
  @keyframes float-1{
    0%,100%{ transform: translate(0,0) scale(1); }
    50%{ transform: translate(-30px,40px) scale(1.08); }
  }
  @keyframes float-2{
    0%,100%{ transform: translate(0,0) scale(1); }
    50%{ transform: translate(40px,-30px) scale(1.1); }
  }
  @media (prefers-reduced-motion: reduce){ .blob{ animation:none; } .hero::before{ display:none; } }
  .hero-inner{ max-width: 920px; position: relative; z-index: 1; }
  .hero h1{
    font-size: clamp(2.6rem, 6vw, 4.6rem);
    line-height: 1.04;
    margin: 22px 0 28px;
  }
  .hero h1 span.accent{ color: var(--olive); }
  .hero p.lead{
    max-width: 52ch; color: var(--ink-soft); font-size: 1.1rem;
  }
  .hero-actions{ display:flex; gap:16px; margin-top: 40px; flex-wrap:wrap; }
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding: 15px 28px; border-radius: 999px; font-size: 0.92rem;
    font-weight: 500; transition: transform .3s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  }
  .btn-solid{ background: var(--ink); color: var(--bg); }
  .btn-solid:hover{ background: var(--olive); transform: translateY(-2px); }
  .btn-ghost{ border:1.5px solid var(--ink); }
  .btn-ghost:hover{ background: var(--ink); color: var(--bg); transform: translateY(-2px); }

  /* ---------- MARQUEE ---------- */
  .marquee{
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    overflow: hidden; padding: 22px 0; margin-top: 70px;
  }
  .marquee-track{
    display:flex; width: max-content; gap: 48px;
    animation: scroll-left 26s linear infinite;
  }
  .marquee-track span{
    font-family:'Space Mono', monospace; font-size: 0.85rem; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--ink-soft); white-space:nowrap;
    display:flex; align-items:center; gap: 48px;
  }
  .marquee-track span::after{ content:"—"; color: var(--olive); }
  @keyframes scroll-left{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }

  /* ---------- REVEAL ---------- */
  .reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .reveal.in{ opacity:1; transform: translateY(0); }
  .reveal-stagger > *{ opacity:0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
  .reveal-stagger.in > *{ opacity:1; transform: translateY(0); }
  .reveal-stagger.in > *:nth-child(1){ transition-delay: .05s; }
  .reveal-stagger.in > *:nth-child(2){ transition-delay: .13s; }
  .reveal-stagger.in > *:nth-child(3){ transition-delay: .21s; }
  .reveal-stagger.in > *:nth-child(4){ transition-delay: .29s; }
  .reveal-stagger.in > *:nth-child(5){ transition-delay: .37s; }
  .reveal-stagger.in > *:nth-child(6){ transition-delay: .45s; }

  /* ---------- PILLARS (numbered framework) ---------- */
  .pillars-head{ max-width: 620px; margin-bottom: 60px; }
  .pillars-head h2{ font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-top:16px; }
  .pillars-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 50px; }
  @media (max-width: 860px){ .pillars-grid{ grid-template-columns: 1fr; gap: 40px; } }
  .pillar{ border-top: 1px solid var(--ink); padding-top: 22px; }
  .pillar .num{ font-family:'Space Mono', monospace; font-size:.8rem; color: var(--olive); }
  .pillar h3{ font-size: 1.3rem; margin: 14px 0 10px; }
  .pillar p{ color: var(--ink-soft); font-size: 0.95rem; margin:0; }

  /* ---------- SERVICES ---------- */
  .section-head{ max-width: 640px; margin-bottom: 64px; }
  .section-head h2{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); margin-top:16px; }
  .services-grid{
    display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
    background: var(--line); border: 1px solid var(--line);
  }
  @media (max-width: 900px){ .services-grid{ grid-template-columns: repeat(2,1fr); } }
  @media (max-width: 600px){ .services-grid{ grid-template-columns: 1fr; } }
  .service-card{
    background: var(--bg); padding: 38px 30px; border-left: 3px solid transparent;
    transition: border-color .3s var(--ease), background .3s var(--ease);
  }
  .service-card:hover{ border-left-color: var(--olive); background: var(--bg-alt); }
  .service-card .num{ font-family:'Space Mono', monospace; font-size:.78rem; color: var(--olive); }
  .service-card h3{ font-size: 1.25rem; margin: 18px 0 10px; font-weight:600; }
  .service-card p{ color: var(--ink-soft); font-size: 0.92rem; margin:0; }

  /* ---------- WORK ---------- */
  .work-section{ background: var(--olive-deep); color: var(--bg); position:relative; overflow:hidden; }
  .work-section .blob-3{
    width: 500px; height: 500px; background: radial-gradient(circle, rgba(75,122,34,0.5), transparent 70%);
    top: 10%; left: 50%; margin-left:-250px; opacity:0.4;
    animation: float-1 22s ease-in-out infinite;
  }
  .work-section > *{ position: relative; z-index: 1; }
  .work-section .eyebrow{ color: var(--olive); }
  .work-section .eyebrow{ color: #8FC65C; }
  .work-section .eyebrow::before{ background: #8FC65C; }
  .work-section h2{ color: var(--bg); }
  .work-list{ display:flex; flex-direction:column; gap: 90px; margin-top: 60px; }
  .work-item{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; align-items:center; }
  .work-item:nth-child(even){ direction: rtl; }
  .work-item:nth-child(even) > *{ direction: ltr; }
  @media (max-width: 860px){ .work-item, .work-item:nth-child(even){ grid-template-columns:1fr; direction:ltr; } }
  .mockup{
    background: #191919; border-radius: 6px; padding: 14px 14px 0; overflow:hidden;
    border: 1px solid rgba(255,255,255,0.08);
    transition: transform .4s var(--ease);
  }
  .work-item:hover .mockup{ transform: translateY(-6px); }
  .mockup-dots{ display:flex; gap:6px; padding-bottom:10px; }
  .mockup-dots span{ width:8px; height:8px; border-radius:50%; background: rgba(255,255,255,0.18); }
  .mockup-body{ height: 210px; border-radius: 3px 3px 0 0; overflow:hidden; position:relative; }
  .work-tag{
    display:inline-block; font-family:'Space Mono',monospace; font-size:.68rem;
    letter-spacing:.1em; text-transform:uppercase; border:1px solid rgba(255,255,255,0.25);
    padding: 5px 12px; border-radius: 999px; margin-right:8px; margin-bottom:8px; color: rgba(255,255,255,0.8);
  }
  .work-item h3{ color: var(--bg); font-size: 1.9rem; margin: 16px 0 12px; }
  .work-item p{ color: rgba(255,255,255,0.65); max-width: 46ch; }
  .work-link{ display:inline-flex; align-items:center; gap:8px; margin-top: 18px; font-size:.9rem; color: #8FC65C; }
  .work-link svg{ width:14px; height:14px; transition: transform .3s var(--ease); }
  .work-link:hover svg{ transform: translateX(4px); }

  /* ---------- PROCESS ---------- */
  .process-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 30px; margin-top:60px; }
  @media (max-width: 900px){ .process-grid{ grid-template-columns: repeat(2,1fr); } }
  @media (max-width: 560px){ .process-grid{ grid-template-columns: 1fr; } }
  .process-step{ border-top: 2px solid var(--ink); padding-top: 20px; }
  .process-step .num{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:2rem; color: var(--olive); }
  .process-step h3{ font-size:1.1rem; margin: 10px 0 8px; }
  .process-step p{ color: var(--ink-soft); font-size:.9rem; margin:0; }

  /* ---------- CONTACT ---------- */
  .contact-section{ background: var(--bg-alt); }
  .contact-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; }
  @media (max-width: 860px){ .contact-grid{ grid-template-columns:1fr; gap:50px; } }
  .contact-info h2{ font-size: clamp(1.9rem,3.4vw,2.6rem); margin: 16px 0 22px; }
  .contact-info p{ color: var(--ink-soft); max-width: 40ch; }
  .info-line{ margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
  .info-line .label{ font-family:'Space Mono',monospace; font-size:.7rem; text-transform:uppercase; letter-spacing:.12em; color: var(--olive); display:block; margin-bottom:6px; }
  .info-line a, .info-line span.val{ font-size: 1.05rem; }
  .info-line a:hover{ color: var(--olive); }

  form{ display:flex; flex-direction:column; gap: 22px; }
  .form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  @media (max-width: 560px){ .form-row{ grid-template-columns:1fr; } }
  .field{ position:relative; }
  .field label{
    position:absolute; left:0; top: 14px; font-size: 1rem; color: var(--ink-soft);
    pointer-events:none; transition: transform .25s var(--ease), font-size .25s var(--ease), color .25s var(--ease);
  }
  .field input, .field textarea{
    width:100%; background:transparent; border:none; border-bottom: 1px solid var(--line);
    padding: 14px 0 10px; font-family:'Inter',sans-serif; font-size:1rem; color: var(--ink);
    transition: border-color .3s var(--ease);
  }
  .field textarea{ resize: vertical; min-height: 90px; }
  .field input:focus, .field textarea:focus{ outline:none; border-color: var(--olive); }
  .field input:focus ~ label, .field input:not(:placeholder-shown) ~ label,
  .field textarea:focus ~ label, .field textarea:not(:placeholder-shown) ~ label{
    transform: translateY(-16px); font-size: 0.72rem; color: var(--olive); letter-spacing:.05em;
  }
  .submit-btn{
    align-self: flex-start; background: var(--ink); color: var(--bg); border:none;
    padding: 16px 36px; border-radius: 999px; font-family:'Inter',sans-serif;
    font-size: 0.95rem; font-weight:500; cursor:pointer;
    display:inline-flex; align-items:center; gap: 10px;
    transition: background .25s var(--ease), transform .3s var(--ease);
  }
  .submit-btn:hover{ background: var(--olive); transform: translateY(-2px); }
  .form-note{ font-size:.8rem; color: var(--ink-soft); }
  .form-status{ font-size:.88rem; min-height: 1.2em; }
  .form-status.ok{ color: var(--olive); }
  .form-status.err{ color: #B23A2E; }

  /* ---------- FOOTER ---------- */
  footer{
    background: var(--ink); color: rgba(255,255,255,0.7);
    padding: 60px 8vw 30px; font-size: 0.88rem;
  }
  .footer-top{ display:flex; justify-content:space-between; flex-wrap:wrap; gap: 30px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.14); }
  .footer-top .logo{ color: var(--bg); }
  .footer-links{ display:flex; gap: 40px; flex-wrap:wrap; }
  .footer-links a:hover{ color: #8FC65C; }
  .footer-bottom{ display:flex; justify-content:space-between; padding-top: 24px; flex-wrap:wrap; gap:10px; }

  /* ---------- AREAS SERVED ---------- */
  .areas-lead{ color: var(--ink-soft); max-width: 56ch; margin-top: 16px; font-size: 1rem; }
  .areas-list{ display:flex; flex-wrap:wrap; gap: 16px; margin-top: 44px; }
  .area-chip{
    font-family:'Space Mono', monospace; font-size: 0.85rem; letter-spacing: 0.04em;
    border: 1px solid var(--ink); border-radius: 999px; padding: 12px 26px;
    transition: background .25s var(--ease), color .25s var(--ease);
  }
  .area-chip:hover{ background: var(--ink); color: var(--bg); }

  /* ---------- CASE STUDY PAGE ---------- */
  .cs-hero{ padding-top: 160px; padding-bottom: 60px; }
  .cs-hero .eyebrow{ margin-bottom: 18px; }
  .cs-hero h1{ font-size: clamp(2.2rem, 5vw, 3.6rem); max-width: 780px; }
  .cs-meta{ display:flex; flex-wrap:wrap; gap: 40px; margin-top: 44px; padding-top: 30px; border-top: 1px solid var(--line); }
  .cs-meta div .label{ font-family:'Space Mono',monospace; font-size:.7rem; text-transform:uppercase; letter-spacing:.12em; color: var(--olive); display:block; margin-bottom:6px; }
  .cs-meta div .val{ font-size: 1rem; }
  .cs-banner{
    margin: 0 8vw 100px; border-radius: 8px; overflow:hidden;
    background: linear-gradient(160deg,#1C1C1C,#2A2A2A);
  }
  .cs-banner svg{ width:100%; height:auto; display:block; }
  .cs-body{ max-width: 760px; margin: 0 auto; padding: 0 8vw 40px; }
  .cs-body h2{ font-size: 1.6rem; margin: 50px 0 16px; }
  .cs-body p{ color: var(--ink-soft); font-size: 1.02rem; margin: 0 0 4px; }
  .cs-nav-footer{
    display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 20px;
    padding: 50px 8vw 100px; border-top: 1px solid var(--line); margin-top: 40px;
  }
  .cs-nav-footer a.back-link{ display:inline-flex; align-items:center; gap:8px; font-size:.92rem; }
  .cs-nav-footer a.back-link svg{ width:14px; height:14px; transform:rotate(180deg); }

  /* ---------- HIGH-FIDELITY CASE STUDY MOCKUPS ---------- */
  .cs-showcase{
    display:flex; gap: 44px; align-items:flex-end; justify-content:center; flex-wrap:wrap;
    margin: 0 8vw 100px; padding: 60px 6vw; background: var(--bg-alt); border-radius: 16px;
  }
  .browser-frame{
    flex: 1 1 640px; max-width: 760px; background:#161616; border-radius: 12px; overflow:hidden;
    box-shadow: 0 40px 80px -30px rgba(0,0,0,0.45);
  }
  .browser-topbar{ display:flex; align-items:center; gap:8px; padding: 12px 16px; background:#161616; }
  .browser-dot{ width:10px; height:10px; border-radius:50%; background:#3a3a3a; }
  .browser-bar{
    flex:1; margin-left:14px; background:#232323; border-radius:6px; padding:6px 14px;
    font-family:'Space Mono',monospace; font-size:.72rem; color:#8a8a8a;
  }
  .browser-screen{ background:#fff; line-height:0; }
  .browser-screen svg{ width:100%; height:auto; display:block; }

  .phone-frame{
    width: 200px; flex: 0 0 auto; background:#161616; border-radius: 30px; padding: 10px;
    box-shadow: 0 30px 60px -25px rgba(0,0,0,0.45);
  }
  .phone-notch{ width:56px; height:16px; background:#161616; border-radius:0 0 10px 10px; margin: 0 auto 6px; position:relative; z-index:1; }
  .phone-screen{ background:#fff; border-radius: 20px; overflow:hidden; margin-top:-16px; line-height:0; }
  .phone-screen svg{ width:100%; height:auto; display:block; }

  @media (max-width: 760px){
    .cs-showcase{ padding: 40px 6vw; gap: 30px; }
    .browser-frame{ flex-basis: 100%; }
  }