/* ================================================================
   OAK OPERATIONS — style.css
   Modern premium enterprise. Dark, refined, high-signal.
   Custom software · AI automation · Data analytics
   ================================================================ */

/* ----------------------------------------------------------------
   0. TOKENS
   ---------------------------------------------------------------- */
:root {
    /* Base surfaces — near-black with cool undertone */
    --bg:            #06070b;
    --bg-2:          #090b11;
    --surface:       #0c0f16;
    --surface-2:     #10141d;
    --card:          #0e121b;
    --card-hover:    #131826;
    --line:          rgba(255, 255, 255, 0.07);
    --line-2:        rgba(255, 255, 255, 0.12);
    --line-strong:   rgba(255, 255, 255, 0.20);

    /* Brand + supporting accents (accents 2/3 mostly for visuals) */
    --accent:        #2fe6a0;   /* emerald — primary brand */
    --accent-deep:   #12b981;
    --accent-soft:   rgba(47, 230, 160, 0.14);
    --accent-2:      #7b8cff;   /* indigo */
    --accent-3:      #38d6ff;   /* cyan */
    --warn:          #ffb454;

    /* Text — every value below clears 4.5:1 on all surfaces in this file */
    --text:          #eef1f6;
    --text-2:        #aab3c2;
    --text-3:        #8f99ab;   /* 6.16:1 on --card-hover, the lightest surface */
    --text-faint:    #78828f;   /* 4.54:1 on --card-hover */

    /* On-accent foreground — one value, used by every gradient/accent fill */
    --on-accent:     #041410;

    /* Danger */
    --danger:        #ff6b6b;
    --danger-soft:   rgba(255, 107, 107, 0.09);
    --danger-text:   #ff9a9a;

    /* Type */
    --font:      'Inter', system-ui, -apple-system, sans-serif;
    --font-disp: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    /* Layout */
    --container: 1200px;
    --nav-h:     72px;
    --radius:    16px;
    --radius-sm: 10px;

    /* Motion */
    --ease:      cubic-bezier(0.22, 1, 0.36, 1);
    --t:         0.35s var(--ease);

    /* Glows / gradients */
    --grad-brand: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 55%, var(--accent-2) 100%);
    --glow: 0 0 0 1px rgba(47,230,160,0.30), 0 8px 40px -8px rgba(47,230,160,0.40);
}

/* ----------------------------------------------------------------
   1. RESET
   ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    letter-spacing: -0.011em;
}

/* Ambient page background — layered radial auras */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(60vw 60vw at 78% -8%, rgba(47,230,160,0.10), transparent 60%),
        radial-gradient(50vw 50vw at 8% 8%, rgba(123,140,255,0.08), transparent 55%),
        radial-gradient(70vw 50vw at 50% 120%, rgba(56,214,255,0.06), transparent 60%);
    pointer-events: none;
}
/* Fine grain / noise-free subtle grid */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(120vw 100vh at 50% 0%, #000 30%, transparent 85%);
    pointer-events: none;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg, canvas { display: block; max-width: 100%; }
button { font-family: inherit; }

::selection { background: rgba(47,230,160,0.28); color: #fff; }

/* Skip link */
.skip-link {
    position: absolute; left: 16px; top: -100px; z-index: 3000;
    padding: 12px 20px; border-radius: var(--radius-sm);
    background: var(--accent); color: var(--on-accent);
    font-weight: 600; font-size: 0.9rem;
    transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

/* ----------------------------------------------------------------
   2. TYPOGRAPHY
   ---------------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-disp); line-height: 1.08; letter-spacing: -0.03em; font-weight: 600; color: var(--text); }
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); font-weight: 600; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; letter-spacing: -0.02em; }
p  { color: var(--text-2); }

.mono {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.grad-text {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.accent { color: var(--accent); }

/* ----------------------------------------------------------------
   3. LAYOUT PRIMITIVES
   ---------------------------------------------------------------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
section { position: relative; }

.section-pad { padding: clamp(80px, 11vw, 150px) 0; }

.section-head { max-width: 720px; margin-bottom: 60px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    font-family: var(--font-mono);
    font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--accent);
    padding: 7px 14px;
    border: 1px solid var(--line-2);
    border-radius: 100px;
    background: var(--accent-soft);
    margin-bottom: 22px;
}
.eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }

.section-head h2 { margin-bottom: 18px; }
.lead { font-size: 1.12rem; color: var(--text-2); line-height: 1.65; max-width: 620px; }
.section-head.center .lead { margin-inline: auto; }

/* ----------------------------------------------------------------
   4. BUTTONS
   ---------------------------------------------------------------- */
.btn {
    --pad: 15px 26px;
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: var(--pad);
    font-size: 0.92rem; font-weight: 600;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--t), box-shadow var(--t), background var(--t), border-color var(--t), color var(--t);
    white-space: nowrap;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}
.btn svg { width: 17px; height: 17px; }

.btn-primary {
    background: var(--grad-brand);
    color: var(--on-accent);
    box-shadow: 0 10px 30px -10px rgba(47,230,160,0.55), inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px -10px rgba(47,230,160,0.7), inset 0 1px 0 rgba(255,255,255,0.5); }

.btn-ghost {
    background: rgba(255,255,255,0.03);
    color: var(--text);
    border-color: var(--line-2);
    backdrop-filter: blur(10px);
}
.btn-ghost:hover { border-color: var(--line-strong); background: rgba(255,255,255,0.06); transform: translateY(-2px); }

.btn-sm { padding: 10px 18px; font-size: 0.85rem; border-radius: 10px; }
.btn-full { width: 100%; }

/* ----------------------------------------------------------------
   5. NAV
   ---------------------------------------------------------------- */
#navbar {
    position: fixed; inset: 0 0 auto 0; z-index: 1000;
    height: var(--nav-h);
    display: flex; align-items: center;
    transition: background var(--t), border-color var(--t), height var(--t);
    border-bottom: 1px solid transparent;
}
#navbar.scrolled {
    height: 62px;
    background: rgba(6,7,11,0.72);
    backdrop-filter: blur(18px) saturate(160%);
    border-bottom-color: var(--line);
}
.nav-inner { max-width: var(--container); margin: 0 auto; width: 100%; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; }

.nav-logo { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-disp); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.02em; }
.nav-logo .mark {
    width: 30px; height: 30px; border-radius: 9px;
    background: var(--grad-brand);
    display: grid; place-items: center;
    color: #041410; font-weight: 700; font-size: 0.9rem;
    box-shadow: 0 4px 16px -4px rgba(47,230,160,0.6);
}
.nav-logo .mark svg { width: 17px; height: 17px; }
.nav-logo .mark .mark-img { width: auto; height: 22px; display: block; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > li > a {
    font-size: 0.9rem; color: var(--text-2); font-weight: 500;
    padding: 9px 14px; border-radius: 9px;
    transition: color var(--t), background var(--t);
}
.nav-links > li > a:hover, .nav-links > li > a.active { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-cta { margin-left: 10px; }
/* Keep the nav CTA a real button: dark high-contrast text on the gradient,
   overriding the generic (more-specific) nav-link colour + hover box. */
.nav-links > li.nav-cta > a.btn-primary,
.nav-links > li.nav-cta > a.btn-primary:hover,
.nav-links > li.nav-cta > a.btn-primary.active {
    color: var(--on-accent);
    background: var(--grad-brand);
    font-weight: 700;
}

.nav-toggle {
    display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
    width: 44px; height: 44px;
    background: none; border: none; cursor: pointer; padding: 0;
    border-radius: var(--radius-sm);
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--t); }

/* ----------------------------------------------------------------
   6. HERO
   ---------------------------------------------------------------- */
/* svh keeps the hero from overshooting when mobile browser chrome is visible */
#hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--nav-h) + 40px) 0 60px; overflow: hidden; }
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.9; }
#hero .container { position: relative; z-index: 2; }
.hero-fade { position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: radial-gradient(70% 60% at 30% 45%, rgba(6,7,11,0.72), transparent 70%); }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; align-items: center; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--text-2);
    padding: 8px 15px; border: 1px solid var(--line-2); border-radius: 100px;
    background: rgba(255,255,255,0.03); backdrop-filter: blur(10px);
    margin-bottom: 30px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: pulse 2.4s var(--ease) infinite; }

.hero-headline { max-width: 15ch; margin-bottom: 26px; }
.hero-sub { font-size: 1.2rem; color: var(--text-2); max-width: 600px; margin-bottom: 38px; line-height: 1.6; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 54px; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 34px; }
.hero-stat .num { font-family: var(--font-disp); font-size: 2.1rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.hero-stat .lbl { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-top: 8px; }

.hero-scroll { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2;
    display: flex; flex-direction: column; align-items: center; gap: 9px;
    font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.28em; color: var(--text-3); }
.hero-scroll .line { width: 1px; height: 34px; background: linear-gradient(var(--accent), transparent); animation: scrollpulse 2s var(--ease) infinite; transform-origin: top; }
/* The cue only means anything when the hero actually fills the viewport.
   Below that, hero content overflows past it and it sits off-screen. */
@media (max-width: 900px) { .hero-scroll { display: none; } }

/* ----------------------------------------------------------------
   7. MARQUEE / STACK
   ---------------------------------------------------------------- */
.stack { padding: 44px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.stack-label { text-align: center; color: var(--text-3); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 26px; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 18px; width: max-content; animation: marquee 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.stack-pill {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 11px 20px; border: 1px solid var(--line); border-radius: 100px;
    font-weight: 600; font-size: 0.92rem; color: var(--text-2);
    background: rgba(255,255,255,0.02); white-space: nowrap;
}
.stack-pill .glyph { width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }
.stack-pill:nth-child(3n) .glyph { background: var(--accent-3); }
.stack-pill:nth-child(3n+1) .glyph { background: var(--accent-2); }

/* ----------------------------------------------------------------
   8. PROBLEM / TRANSFORM
   ---------------------------------------------------------------- */
.transform-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; }

.pain-list { display: flex; flex-direction: column; gap: 14px; margin-top: 30px; }
.pain-item { display: flex; gap: 14px; align-items: flex-start; font-size: 0.98rem; color: var(--text-2); }
.pain-item .x { flex-shrink: 0; width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; background: rgba(255,120,120,0.1); color: #ff8080; font-size: 0.8rem; margin-top: 1px; }

/* Animated spreadsheet -> system visual */
.morph {
    position: relative; border: 1px solid var(--line); border-radius: var(--radius);
    background: linear-gradient(160deg, var(--surface), var(--bg-2));
    padding: 26px; overflow: hidden; min-height: 380px;
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px;
}
.morph::before { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 80% at 50% 0%, rgba(47,230,160,0.08), transparent 70%); pointer-events: none; }
.morph-label { position: absolute; top: 16px; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); }
.morph-label.l { left: 22px; }
.morph-label.r { right: 22px; color: var(--accent); }

.sheet { border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; opacity: 0.85; }
.sheet-row { display: grid; grid-template-columns: 22px 1fr 1fr 1fr; }
.sheet-row > span { padding: 7px 8px; font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-3); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); white-space: nowrap; overflow: hidden; }
.sheet-row > span:first-child { background: rgba(255,255,255,0.03); text-align: center; color: var(--text-faint); }
.sheet-row.head > span { background: rgba(255,255,255,0.04); color: var(--text-2); }
.sheet-cell.flash { color: var(--warn); background: rgba(255,180,84,0.08); }

.morph-arrow { display: grid; place-items: center; color: var(--accent); }
.morph-arrow svg { width: 34px; height: 34px; filter: drop-shadow(0 0 8px rgba(47,230,160,0.5)); }

.app-card { border: 1px solid var(--line-2); border-radius: 10px; background: var(--surface-2); overflow: hidden; box-shadow: 0 20px 50px -20px rgba(0,0,0,0.7); }
.app-top { display: flex; align-items: center; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.app-top .d { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.app-top .t { margin-left: 8px; font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-3); letter-spacing: 0.1em; }
.app-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.app-metric { display: flex; justify-content: space-between; align-items: baseline; }
.app-metric .k { font-size: 0.68rem; color: var(--text-3); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; }
.app-metric .v { font-family: var(--font-disp); font-weight: 600; color: var(--text); font-size: 1.1rem; }
.app-metric .v.up { color: var(--accent); }
.app-bar { height: 6px; border-radius: 4px; background: rgba(255,255,255,0.06); overflow: hidden; }
.app-bar > i { display: block; height: 100%; width: 100%; background: var(--grad-brand); border-radius: 4px; transform-origin: left; animation: growbar 3s var(--ease) infinite alternate; }

/* ----------------------------------------------------------------
   9. SERVICES
   ---------------------------------------------------------------- */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.svc {
    position: relative; border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--card); padding: 34px; overflow: hidden;
    transition: transform var(--t), border-color var(--t), background var(--t);
}
.svc::before {
    content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity var(--t);
    background: radial-gradient(80% 120% at var(--mx, 50%) 0%, rgba(47,230,160,0.10), transparent 60%);
    pointer-events: none;
}
.svc:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--card-hover); }
.svc:hover::before { opacity: 1; }
.svc.wide { grid-column: span 2; }

.svc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.svc-icon {
    width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
    background: linear-gradient(160deg, rgba(47,230,160,0.16), rgba(47,230,160,0.04));
    border: 1px solid var(--line-2); color: var(--accent);
}
.svc-icon svg { width: 26px; height: 26px; }
.svc-2 .svc-icon { background: linear-gradient(160deg, rgba(123,140,255,0.16), rgba(123,140,255,0.04)); color: var(--accent-2); }
.svc-3 .svc-icon { background: linear-gradient(160deg, rgba(56,214,255,0.16), rgba(56,214,255,0.04)); color: var(--accent-3); }
.svc-4 .svc-icon { background: linear-gradient(160deg, rgba(255,180,84,0.16), rgba(255,180,84,0.04)); color: var(--warn); }

.svc-num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); letter-spacing: 0.1em; }
.svc h3 { margin-bottom: 10px; }
.svc-desc { font-size: 0.95rem; color: var(--text-2); margin-bottom: 22px; line-height: 1.6; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.svc-tag { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-3); padding: 5px 11px; border: 1px solid var(--line); border-radius: 7px; letter-spacing: 0.04em; transition: color var(--t), border-color var(--t); }
.svc:hover .svc-tag { color: var(--text-2); border-color: var(--line-2); }
.svc-badge { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent-soft); background: var(--accent-soft); padding: 4px 10px; border-radius: 100px; }

/* ----------------------------------------------------------------
   10. DIAGNOSTIC (interactive)
   ---------------------------------------------------------------- */
#diagnostic { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.diag-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 28px; }
.diag-tabs { display: flex; flex-direction: column; gap: 10px; }
.diag-card {
    text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
    padding: 20px 22px; cursor: pointer; transition: all var(--t); display: flex; gap: 16px; align-items: flex-start;
}
.diag-card:hover { border-color: var(--line-2); background: var(--card-hover); }
.diag-card.active { border-color: rgba(47,230,160,0.45); background: linear-gradient(140deg, rgba(47,230,160,0.07), transparent); }
.diag-card .dnum { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); flex-shrink: 0; padding-top: 2px; }
.diag-card.active .dnum { color: var(--accent); }
.diag-card .dtitle { display: block; font-family: var(--font-disp); font-weight: 600; font-size: 1rem; color: var(--text); margin-bottom: 4px; }
.diag-card .ddesc { display: block; font-size: 0.82rem; color: var(--text-3); line-height: 1.45; }

.diag-panel-wrap { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 40px; position: relative; overflow: hidden; }
.diag-panel-wrap::before { content:''; position:absolute; inset:0; background: radial-gradient(60% 60% at 100% 0%, rgba(47,230,160,0.06), transparent 60%); pointer-events:none; }
.diag-panel { display: none; }
.diag-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; animation: fadeup 0.45s var(--ease) both; }
.diag-col .ptag { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 12px; display: inline-block; }
.ptag.pain { color: var(--warn); }
.ptag.fix { color: var(--accent); }
.diag-panel h3 { font-size: 1.35rem; margin-bottom: 14px; }
.diag-panel p { font-size: 0.93rem; line-height: 1.65; margin-bottom: 16px; }
.root-cause { background: rgba(255,180,84,0.05); border: 1px solid rgba(255,180,84,0.22); padding: 14px 18px; font-size: 0.85rem; color: var(--text-2); border-radius: 10px; }
.root-cause strong { display: flex; align-items: center; gap: 8px; color: var(--warn); font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 6px; }
.root-cause strong::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--warn); flex-shrink: 0; }
.fix-col { border-left: 1px solid var(--line); padding-left: 40px; }
.fix-list { display: flex; flex-direction: column; gap: 10px; margin: 18px 0 26px; }
.fix-list li { position: relative; padding-left: 26px; font-size: 0.88rem; color: var(--text-2); }
.fix-list li::before { content: ''; position: absolute; left: 0; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent-soft); box-shadow: inset 0 0 0 2px var(--accent); }

/* ----------------------------------------------------------------
   11. PROCESS
   ---------------------------------------------------------------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.process-grid::before { content:''; position:absolute; top: 30px; left: 8%; right: 8%; height: 1px; background: linear-gradient(90deg, transparent, var(--line-2), var(--line-2), transparent); z-index: 0; }
.step { position: relative; z-index: 1; text-align: center; padding: 0 8px; }
.step-num {
    width: 60px; height: 60px; margin: 0 auto 22px; border-radius: 16px; display: grid; place-items: center;
    font-family: var(--font-disp); font-weight: 600; font-size: 1.3rem; color: var(--accent);
    background: var(--surface-2); border: 1px solid var(--line-2);
    box-shadow: 0 0 0 6px var(--bg-2);
}
.step:hover .step-num { border-color: rgba(47,230,160,0.5); box-shadow: 0 0 0 6px var(--bg-2), 0 8px 30px -8px rgba(47,230,160,0.4); }
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.86rem; line-height: 1.55; }

/* ----------------------------------------------------------------
   12. CASE STUDIES
   ---------------------------------------------------------------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case {
    border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
    padding: 30px; display: flex; flex-direction: column; transition: transform var(--t), border-color var(--t), background var(--t);
}
.case:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--card-hover); }
.case-tag { align-self: flex-start; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 11px; border-radius: 100px; margin-bottom: 22px; border: 1px solid var(--line-2); color: var(--text-2); }
.case-tag.g { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.case-tag.b { color: var(--accent-2); background: rgba(123,140,255,0.12); border-color: transparent; }
.case-tag.c { color: var(--accent-3); background: rgba(56,214,255,0.12); border-color: transparent; }
.case-metric { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.case-metric .big { font-family: var(--font-disp); font-weight: 600; font-size: 2.4rem; letter-spacing: -0.03em; }
.case-metric .big.g { color: var(--accent); }
.case-metric .big.b { color: var(--accent-2); }
.case-metric .big.c { color: var(--accent-3); }
.case-metric .cap { font-family: var(--font-mono); font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); }
.case h3 { font-size: 1.12rem; margin: 12px 0 12px; }
.case-desc { font-size: 0.88rem; color: var(--text-2); line-height: 1.6; margin-bottom: 20px; }
.case-meta { margin-top: auto; display: flex; flex-direction: column; gap: 10px; padding-top: 18px; border-top: 1px solid var(--line); }
.case-meta div { font-size: 0.8rem; color: var(--text-2); line-height: 1.5; }
.case-meta strong { display: block; font-family: var(--font-mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 3px; }

/* ----------------------------------------------------------------
   13. ABOUT
   ---------------------------------------------------------------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; align-items: start; }
.about-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 38px; }
.about-card p { font-size: 0.98rem; line-height: 1.75; margin-bottom: 18px; }
.founder { margin-top: 26px; padding: 22px; border-radius: var(--radius-sm); background: linear-gradient(150deg, rgba(47,230,160,0.05), var(--surface-2) 55%); border: 1px solid rgba(47,230,160,0.20); }
.founder .fname { font-family: var(--font-disp); font-weight: 600; color: var(--text); font-size: 1.05rem; margin-bottom: 4px; }
.founder .frole { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }
.founder p { font-size: 0.88rem; margin-bottom: 0; }
.about-side { display: flex; flex-direction: column; gap: 20px; }
.cap-panel, .sectors-panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 28px; }
.cap-panel h3, .sectors-panel h3 { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin-bottom: 18px; }
.cap-list { display: flex; flex-direction: column; gap: 3px; }
.cap-list li { font-size: 0.86rem; color: var(--text-2); padding: 10px 12px; border-radius: 8px; border: 1px solid transparent; transition: all var(--t); display: flex; align-items: center; gap: 10px; }
.cap-list li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.cap-list li:hover { background: rgba(255,255,255,0.03); border-color: var(--line); color: var(--text); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags .tag { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-2); border: 1px solid var(--line-2); padding: 6px 12px; border-radius: 100px; transition: all var(--t); }
.tags .tag:hover { color: var(--accent); border-color: var(--accent); }

/* ----------------------------------------------------------------
   14. CTA BAND
   ---------------------------------------------------------------- */
.cta-band { padding: clamp(60px, 8vw, 100px) 0; }
.cta-inner {
    position: relative; overflow: hidden; text-align: center;
    border: 1px solid var(--line-2); border-radius: 28px;
    padding: clamp(50px, 8vw, 90px) 32px;
    background: linear-gradient(150deg, var(--surface-2), var(--bg-2));
}
.cta-inner::before { content:''; position:absolute; inset:0; background: radial-gradient(60% 120% at 50% 0%, rgba(47,230,160,0.14), transparent 60%); pointer-events:none; }
.cta-inner h2 { position: relative; margin-bottom: 16px; }
.cta-inner p { position: relative; max-width: 520px; margin: 0 auto 34px; font-size: 1.08rem; }
.cta-inner .hero-cta { position: relative; justify-content: center; margin-bottom: 0; }

/* ----------------------------------------------------------------
   15. CONTACT
   ---------------------------------------------------------------- */
#contact { background: var(--bg-2); border-top: 1px solid var(--line); }
.contact-layout { display: grid; grid-template-columns: 1fr 400px; gap: 28px; align-items: start; }

.form-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 38px; }
.form-title { font-family: var(--font-disp); font-weight: 600; font-size: 1.2rem; margin-bottom: 6px; }
.form-note { font-size: 0.88rem; color: var(--text-3); margin-bottom: 26px; }

.progress { margin-bottom: 30px; }
.progress-track { height: 5px; border-radius: 4px; background: rgba(255,255,255,0.06); overflow: hidden; margin-bottom: 10px; }
/* scaleX rather than width — the bar animates on the compositor */
.progress-bar { height: 100%; width: 100%; background: var(--grad-brand); border-radius: 4px; transform-origin: left; transform: scaleX(var(--p, 0.3333)); transition: transform 0.4s var(--ease); box-shadow: 0 0 12px rgba(47,230,160,0.4); }
.progress-text { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); }

.qstep { display: none; }
.qstep.active { display: block; animation: fadeup 0.4s var(--ease) both; }
.qgroup { margin-bottom: 22px; }
.qlabel { display: block; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); margin-bottom: 12px; }
.req { color: var(--accent); }

.chip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.chip {
    display: block; width: 100%; font-family: inherit;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
    padding: 16px; cursor: pointer; transition: all var(--t); text-align: left;
}
.chip:hover { border-color: var(--line-2); background: var(--card-hover); }
.chip.active { border-color: var(--accent); background: linear-gradient(140deg, rgba(47,230,160,0.08), transparent); }
.chip .ct { display: block; font-family: var(--font-disp); font-weight: 600; font-size: 0.9rem; color: var(--text); margin-bottom: 4px; }
.chip .cs { display: block; font-size: 0.72rem; color: var(--text-3); line-height: 1.35; }

.pills { display: flex; flex-wrap: wrap; gap: 9px; }
.pill { display: inline-flex; align-items: center; min-height: 44px; font-family: inherit; background: var(--surface); border: 1px solid var(--line); border-radius: 100px; padding: 9px 18px; font-size: 0.8rem; color: var(--text-2); cursor: pointer; transition: all var(--t); user-select: none; text-align: left; }
.pill:hover { border-color: var(--line-2); }
.pill.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.radio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.radio { display: flex; align-items: center; justify-content: center; min-height: 48px; width: 100%; font-family: inherit; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 13px; text-align: center; cursor: pointer; transition: all var(--t); font-size: 0.82rem; color: var(--text-2); user-select: none; }
.radio:hover { border-color: var(--line-2); }
.radio.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 8px; }
.field input, .field textarea {
    width: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
    color: var(--text); font-family: var(--font); font-size: 0.92rem; padding: 13px 15px; outline: none;
    transition: border-color var(--t), box-shadow var(--t); resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field textarea:focus { border-color: var(--accent-deep); box-shadow: 0 0 0 3px rgba(47,230,160,0.12); }
.field input.err, .field textarea.err,
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--danger); }
.field-error { display: none; align-items: center; gap: 7px; margin-top: 7px; font-size: 0.78rem; color: var(--danger-text); }
.field-error::before { content: '!'; display: grid; place-items: center; width: 15px; height: 15px; border-radius: 50%; background: var(--danger-soft); border: 1px solid var(--danger); font-size: 0.6rem; font-weight: 700; flex-shrink: 0; }
.field-error.show { display: flex; }

.qactions { display: flex; gap: 12px; margin-top: 28px; }
.qactions.split { justify-content: space-between; }

.form-msg { display: flex; gap: 12px; align-items: flex-start; padding: 15px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.9rem; border: 1px solid; }
.form-msg.ok { border-color: var(--accent-deep); background: rgba(47,230,160,0.08); color: var(--accent); }
.form-msg.bad { border-color: var(--danger); background: var(--danger-soft); color: var(--danger-text); }
/* Announcer for step changes — visible to screen readers only */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0; }

/* Aside */
.contact-aside { display: flex; flex-direction: column; gap: 18px; }
.aside-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 28px; }
.aside-card.hi { background: linear-gradient(150deg, rgba(47,230,160,0.08), var(--card)); border-color: rgba(47,230,160,0.28); }
.aside-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.aside-card p { font-size: 0.86rem; color: var(--text-2); margin-bottom: 20px; line-height: 1.55; }
.aside-links { display: flex; flex-direction: column; gap: 2px; margin-top: 4px; }
.aside-link { display: flex; align-items: center; gap: 12px; min-height: 44px; margin-inline: -10px; padding-inline: 10px; border-radius: 9px; font-size: 0.85rem; color: var(--text-2); transition: color var(--t), background var(--t); }
.aside-link:hover { background: rgba(255,255,255,0.03); }
.aside-link:hover { color: var(--accent); }
.aside-link svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--text-3); transition: color var(--t); }
.aside-link:hover svg { color: var(--accent); }

/* ----------------------------------------------------------------
   16. FOOTER
   ---------------------------------------------------------------- */
#footer { padding: 56px 0 40px; border-top: 1px solid var(--line); }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; padding-bottom: 34px; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.footer-brand { max-width: 320px; }
.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.86rem; color: var(--text-3); }
.footer-cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-col h3 { font-family: var(--font-mono); font-size: 0.64rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.footer-col a { display: flex; align-items: center; min-height: 40px; font-size: 0.86rem; color: var(--text-2); transition: color var(--t); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-faint); letter-spacing: 0.05em; }
.footer-bottom .accent { color: var(--accent-deep); }

/* Scroll progress bar */
#scrollProgress { position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 2000; background: var(--grad-brand); box-shadow: 0 0 10px rgba(47,230,160,0.6); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: 0.08s; }
[data-delay="2"] { transition-delay: 0.16s; }
[data-delay="3"] { transition-delay: 0.24s; }

/* ----------------------------------------------------------------
   17. KEYFRAMES
   ---------------------------------------------------------------- */
@keyframes pulse { 0%,100% { opacity: 1; box-shadow: 0 0 12px var(--accent); } 50% { opacity: 0.5; box-shadow: 0 0 4px var(--accent); } }
@keyframes scrollpulse { 0%,100% { transform: scaleY(1); opacity: 1; } 50% { transform: scaleY(0.5); opacity: 0.4; } }
@keyframes fadeup { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes growbar { from { transform: scaleX(0.40); } to { transform: scaleX(0.92); } }

/* ----------------------------------------------------------------
   18. RESPONSIVE
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
    .transform-grid { grid-template-columns: 1fr; gap: 40px; }
    .diag-wrap { grid-template-columns: 1fr; }
    .diag-tabs { display: grid; grid-template-columns: 1fr 1fr; }
    .process-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .process-grid::before { display: none; }
    .cases-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .contact-aside { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
    .nav-toggle { display: flex; }
    .nav-links {
        /* 100% tracks the navbar as it shrinks on scroll — a fixed 72px left a gap */
        position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch;
        background: rgba(6,7,11,0.97); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line);
        padding: 12px; gap: 4px; display: none;
    }
    .nav-links.open { display: flex; }
    .nav-links > li > a { padding: 13px 14px; }
    .nav-cta { margin: 6px 0 0; }

    .services-grid { grid-template-columns: 1fr; }
    .svc.wide { grid-column: auto; }
    .diag-tabs { grid-template-columns: 1fr; }
    .diag-panel.active { grid-template-columns: 1fr; gap: 28px; }
    .fix-col { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 26px; }
    .process-grid { grid-template-columns: 1fr; }
    .morph { grid-template-columns: 1fr; gap: 40px; padding: 40px 20px 24px; }
    .morph-arrow { transform: rotate(90deg); }
    .contact-aside { grid-template-columns: 1fr; }
    .chip-grid, .radio-grid { grid-template-columns: 1fr; }
    .field-row { grid-template-columns: 1fr; }
    .footer-top { flex-direction: column; }

    /* Mobile hero: the stats stacked into three full-width rows and pushed
       every proof point off screen. Three columns keeps them in the first view. */
    .hero-sub { font-size: 1.05rem; margin-bottom: 30px; }
    .hero-cta { margin-bottom: 36px; gap: 12px; }
    .hero-cta .btn { flex: 1 1 100%; }
    .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }
    .hero-stat .num { font-size: 1.7rem; }
    .hero-stat .lbl { font-size: 0.6rem; letter-spacing: 0.1em; margin-top: 6px; }
}

/* ----------------------------------------------------------------
   19. FOCUS
   Last in the cascade on purpose: component rules like `.field input`
   set `outline: none`, and a focus ring must never lose that tie-break.
   ---------------------------------------------------------------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
/* Inputs already draw an inset ring, so keep the outline tight to the field */
.field input:focus-visible,
.field textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}
/* Mouse and touch keep the quiet treatment */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible),
[tabindex]:focus:not(:focus-visible) { outline: none; }

/* ----------------------------------------------------------------
   20. REDUCED MOTION
   Kill the ambient/looping decoration outright, and remove travel from
   entrances — but keep short colour/border transitions so hover, focus,
   and selected states still read as state changes rather than jump cuts.
   ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    /* Looping ambient motion — no reduced-motion equivalent, so it stops */
    .marquee-track,
    .hero-badge .dot,
    .hero-scroll .line,
    .app-bar > i {
        animation: none !important;
    }
    .app-bar > i { transform: scaleX(0.78); }
    .marquee-track { transform: none; }
    .marquee {
        overflow-x: auto;
        -webkit-mask-image: none; mask-image: none;
        scrollbar-width: none;
    }
    .marquee::-webkit-scrollbar { display: none; }

    /* Entrances: keep the fade, drop the travel */
    .reveal { opacity: 1; transform: none; transition: none; }
    .qstep.active, .diag-panel.active { animation: none; }

    /* Lift-on-hover becomes a border/background change only */
    .btn:hover, .svc:hover, .case:hover { transform: none; }

    /* State feedback stays — just quicker */
    *, *::before, *::after { transition-duration: 0.12s !important; }
}