@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600&family=Spectral:ital,wght@0,300;0,400;1,300;1,400&display=swap');

html, body { background: #060218; }
:root {
  --navy:          #0A0428;
  --indigo:        #2A166D;
  --shadow-violet: #3E2C66;
  --accent:        #7761B4;
  --lavender:      #8A78BE;
  --pale-iris:     #D2CCEA;
  --paper:         #FCFBFE;
  --paper-alt:     #F6F4FB;
  --surface:       #FCFBFE;
  --surface-card:  #fff;
  --surface-dark-card: #150B38;
  --text-strong:   #2A166D;
  --text-body:     #2C2745;
  --on-dark-faint: rgba(138,120,190,0.48);
  --border-dark:        rgba(210,204,234,0.14);
  --border-dark-strong: rgba(210,204,234,0.26);
  --border-light:       #E4E0EF;
  --grad-navy-depth: linear-gradient(180deg,#0E0630 0%,#0A0428 60%,#060218 100%);
  --grad-iris-wash:  linear-gradient(180deg,#F6F4FB 0%,#FCFBFE 100%);
  --font-display:  'Jost', sans-serif;
  --font-sans:     'Jost', sans-serif;
  --font-serif:    'Spectral', Georgia, serif;
  --radius-sm: 4px;
  --radius-md: 6px;
  --ease-out:  cubic-bezier(0.16,1,0.3,1);
  --shadow-sm: 0 2px 8px rgba(42,22,109,0.07);
  --shadow-md: 0 8px 28px rgba(42,22,109,0.1);
  --content-max: 1200px;
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-serif); background: var(--surface); color: var(--text-body); -webkit-font-smoothing: antialiased; text-wrap: pretty; }
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 300; letter-spacing: -0.02em; line-height: 1.08; margin: 0; color: var(--text-strong); }
p { margin: 0; line-height: 1.72; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul,ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; padding: 0; }

.gt { background: var(--grad-iris-wash); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; padding-bottom: 0.1em; display: inline-block; }

/* ═══ NAV ═══ */
.nav { position: -webkit-sticky; position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 64px 0 48px; height: 80px; background: var(--grad-navy-depth); border-bottom: 1px solid var(--border-dark); transition: background 280ms var(--ease-out), backdrop-filter 280ms; }
.nav.scrolled { background: rgba(10,4,40,0.96); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.nav-brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-brand .mark { height: 46px; width: auto; }
.nav-brand-text { display: flex; flex-direction: column; gap: 0px; align-items: center; width: max-content; }
.nav-brand .wm { height: auto; width: auto; opacity: 0.92; max-height: 32px; }
.nav-tagline { font-family: var(--font-sans); font-weight: 400; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lavender); white-space: nowrap; width: 100%; text-align: center; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-a { font-family: var(--font-sans); font-weight: 500; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lavender); transition: color 140ms ease; }
.nav-a:hover { color: var(--pale-iris); }
.nav-a.active { background: var(--grad-iris-wash); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; padding-bottom: 0.1em; }
.nav-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav-cta { display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-sans); font-weight: 500; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; background: var(--accent); border-radius: var(--radius-sm); height: 30px; padding: 0 14px; white-space: nowrap; transition: opacity 140ms ease; }
.nav-cta:hover { opacity: 0.85; }
.nav-cta span { background: var(--grad-iris-wash); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.claude-badge { display: flex; align-items: center; gap: 6px; border: 0.5px solid rgba(210,204,234,0.4); border-radius: 4px; padding: 5px 10px; flex-shrink: 0; }
.claude-badge svg { display: block; flex-shrink: 0; }
.claude-badge-text { display: flex; flex-direction: column; gap: 1px; line-height: 1; }
.cb-l1 { font-family: 'Spectral', serif; font-weight: 300; font-size: 12px; background: var(--grad-iris-wash); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cb-l2 { font-family: 'Spectral', serif; font-weight: 400; font-size: 7.5px; letter-spacing: 0.06em; background: var(--grad-iris-wash); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ═══ FOOTER ═══ */
.footer { background: var(--grad-navy-depth); border-top: 1px solid var(--border-dark); padding: 48px 64px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-a { font-family: var(--font-sans); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-faint); transition: color 140ms ease; }
.footer-a:hover { color: var(--lavender); }
.footer-copy { font-family: var(--font-sans); font-size: 10px; letter-spacing: 0.06em; color: var(--on-dark-faint); }

/* ═══ LAYOUT ═══ */
.section { padding: 96px 64px; }
.section-sm { padding: 72px 64px; }
.inner { max-width: var(--content-max); margin: 0 auto; position: relative; z-index: 1; }
.dark { background: var(--grad-navy-depth); position: relative; overflow: hidden; }
.light { background-color: var(--surface); background-image: url(assets/light-texture.jpg); background-size: cover; background-position: center; }
.paper { background: var(--paper-alt); }
.ghost { position: absolute; right: -85px; bottom: -90px; width: 560px; opacity: 0.12; pointer-events: none; z-index: 0; }
.ghost-l { position: absolute; left: -80px; top: -50px; width: 400px; opacity: 0.07; pointer-events: none; z-index: 0; }

/* ═══ EYEBROW ═══ */
.eyebrow { display: flex; align-items: center; gap: 8px; font-family: var(--font-sans); font-weight: 500; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lavender); margin-bottom: 20px; }
.eyebrow::before { content: "▲"; color: var(--accent); font-size: 8px; flex-shrink: 0; }

/* ═══ BUTTONS ═══ */
.btn { display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-sans); font-weight: 500; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; border-radius: var(--radius-sm); height: 38px; padding: 0 22px; transition: opacity 140ms ease, transform 140ms ease; white-space: nowrap; text-decoration: none; cursor: pointer; border: none; }
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); }
.btn-primary span { background: var(--grad-iris-wash); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.btn-ghost { background: transparent; border: 1px solid var(--border-dark-strong); color: var(--lavender); }
.btn-ghost:hover { color: var(--pale-iris); border-color: rgba(210,204,234,0.4); }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-outline { background: transparent; border: 1px solid rgba(138,120,190,0.5); color: var(--lavender); }

/* ═══ CARDS ═══ */
.card { background: var(--surface-card); border: 1px solid var(--border-light); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 32px; transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out); }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card-tag { font-family: var(--font-sans); font-weight: 500; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }

/* stat block */
.stat-val { font-family: var(--font-display); font-weight: 300; font-size: clamp(28px,3vw,44px); color: var(--text-strong); letter-spacing: -0.02em; line-height: 1; }
.stat-label { font-family: var(--font-sans); font-weight: 500; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lavender); margin-top: 6px; }
.stat-sub { font-family: var(--font-serif); font-size: 13px; color: var(--text-body); margin-top: 4px; line-height: 1.5; }

/* service card */
.svc { display: grid; grid-template-columns: 72px 1fr 240px 260px; gap: 40px; align-items: start; background: var(--surface-card); border: 1px solid var(--border-light); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 32px; }
.svc-num { font-family: var(--font-display); font-weight: 300; font-size: 52px; color: var(--pale-iris); line-height: 1; letter-spacing: -0.02em; }
.svc-points { display: flex; flex-direction: column; gap: 9px; margin-top: 16px; }
.svc-point { display: flex; gap: 10px; font-family: var(--font-serif); font-size: 14px; color: var(--text-body); line-height: 1.6; align-items: flex-start; }
.svc-point::before { content: "▲"; color: var(--accent); font-size: 8px; margin-top: 5px; flex-shrink: 0; }
.svc-meta { display: flex; flex-direction: column; gap: 18px; }
.svc-meta-label { font-family: var(--font-sans); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lavender); margin-bottom: 3px; }
.svc-meta-val { font-family: var(--font-serif); font-size: 14px; color: var(--text-strong); }

/* badge */
.badge { display: inline-flex; align-items: center; font-family: var(--font-sans); font-weight: 500; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); border: 1px solid rgba(119,97,180,0.3); border-radius: 999px; padding: 3px 10px; }

/* case study */
.case { padding: 52px 0; border-top: 1px solid var(--border-light); }
.case:last-child { border-bottom: 1px solid var(--border-light); }
.case-grid { display: grid; grid-template-columns: 160px 1fr 240px; gap: 48px; align-items: start; }
.case-num { font-family: var(--font-display); font-weight: 300; font-size: 64px; color: var(--pale-iris); line-height: 1; letter-spacing: -0.02em; }
.case-sector { font-family: var(--font-sans); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lavender); margin-bottom: 8px; }
.case-name { font-family: var(--font-display); font-weight: 300; font-size: clamp(22px,2.5vw,30px); color: var(--text-strong); letter-spacing: -0.02em; margin-bottom: 16px; }
.case-body { font-family: var(--font-serif); font-size: 15px; line-height: 1.72; color: var(--text-body); max-width: 56ch; }
.case-meta-label { font-family: var(--font-sans); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lavender); margin-bottom: 4px; }
.case-meta-val { font-family: var(--font-serif); font-size: 14px; color: var(--text-strong); line-height: 1.5; }

/* image placeholder */
.img-ph { background: linear-gradient(135deg,#1E1248 0%,#0E0630 55%,#150B38 100%); border-radius: var(--radius-md); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; position: relative; overflow: hidden; }
.img-ph::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(210,204,234,0.02) 20px, rgba(210,204,234,0.02) 21px); }
.img-ph-label { font-family: var(--font-sans); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(210,204,234,0.3); text-align: center; padding: 0 24px; position: relative; z-index: 1; }
.img-ph-glyph { font-size: 24px; opacity: 0.2; position: relative; z-index: 1; }

/* principle */
.prin-name { font-family: var(--font-sans); font-weight: 600; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.prin-name::before { content: "▲  "; font-size: 8px; }
.prin-body { font-family: var(--font-serif); font-size: 15px; line-height: 1.72; color: var(--lavender); max-width: 32ch; }

/* form */
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-label { font-family: var(--font-sans); font-weight: 500; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lavender); }
.form-input { font-family: var(--font-serif); font-size: 15px; background: rgba(210,204,234,0.04); border: 1px solid var(--border-dark-strong); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--pale-iris); outline: none; transition: border-color 140ms ease; width: 100%; }
.form-input::placeholder { color: rgba(210,204,234,0.22); }
.form-input:focus { border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.65; }
.form-hint { font-family: var(--font-sans); font-size: 10px; color: var(--on-dark-faint); letter-spacing: 0.04em; }
.radio-opt { display: flex; align-items: center; gap: 8px; font-family: var(--font-serif); font-size: 14px; color: var(--lavender); cursor: pointer; }
.radio-opt input { accent-color: var(--accent); }

/* grids */
.g2  { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.g3  { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.g22 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.flex-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 20px; }
.divider-dark { height: 1px; background: var(--border-dark); }

/* ═══ HAMBURGER ═══ */
.nav-hamburger { display:none; flex-direction:column; justify-content:center; gap:5px; background:none; border:none; padding:8px; cursor:pointer; flex-shrink:0; height:44px; width:44px; }
.nav-hamburger span { display:block; width:22px; height:1.5px; background:var(--lavender); transition:transform 200ms ease, opacity 200ms ease; transform-origin:center; }
.nav-hamburger.open span:nth-child(1) { transform:translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform:translateY(-6.5px) rotate(-45deg); }

/* ═══ MOBILE MENU ═══ */
.nav-mobile-menu { display:none; position:absolute; top:80px; left:0; right:0; background:rgba(9,3,38,0.98); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); border-bottom:1px solid var(--border-dark); padding:12px 24px 24px; flex-direction:column; z-index:99; }
.nav-mobile-menu.open { display:flex; }
.nav-mobile-a { font-family:var(--font-sans); font-weight:500; font-size:12px; letter-spacing:0.12em; text-transform:uppercase; color:var(--lavender); padding:15px 0; border-bottom:1px solid var(--border-dark); text-decoration:none; transition:color 140ms ease; display:block; }
.nav-mobile-a:hover { color:var(--pale-iris); }
.nav-mobile-badge { display:flex; align-items:center; justify-content:center; gap:10px; padding:16px 0; border-bottom:1px solid var(--border-dark); }
.nav-mobile-badge svg { width:26px; height:26px; }
.nav-mobile-badge .cb-l1 { font-size:16px; }
.nav-mobile-badge .cb-l2 { font-size:7px; letter-spacing:0.08em; }
.nav-mobile-cta { margin-top:16px; text-align:center; background:var(--accent); border-radius:var(--radius-sm); padding:14px 24px; border-bottom:none; color:var(--pale-iris); }
.nav-mobile-cta span { background:var(--grad-iris-wash); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 960px) {
  .nav { padding:0 16px; }
  .nav-brand { flex:1; min-width:0; gap:8px; }
  .nav-brand .mark { height:36px; }
  .nav-tagline { font-size: 8px; letter-spacing: 0.12em; }
  .nav-links, .claude-badge, .nav-right { display:none; }
  .nav-hamburger { display:flex; }
  .section, .section-sm { padding:64px 24px; }
  .g2, .g3, .g22 { grid-template-columns:1fr; gap:32px; }
  .svc, .case-grid { grid-template-columns:1fr; gap:16px; }
  .svc-img { order:-1; height:200px; }

  .footer { padding:40px 24px; flex-direction:column; align-items:flex-start; }
  .nav.scrolled { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(10,4,40,0.98); }
  .hero { min-height: -webkit-fill-available; min-height: 100svh; }
  .hero-bg-mark { width: 320px; bottom: -60px; right: -30px; }
}