:root {
    --ink: #150f1f;
    --ink-2: #1f1630;
    --text: #211b2b;
    --muted: #615a6e;
    --line: #e8e4ee;
    --bg: #ffffff;
    --bg-alt: #f7f5fa;
    --accent: #8a51a0;
    --accent-dark: #71469b;
    --accent-light: #c7a3d8;
    --on-dark: #eeeaf3;
    --on-dark-muted: #a9a0b8;
    --radius: 12px;
    --max: 1120px;
    --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--ink); }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.eyebrow {
    font-family: var(--mono);
    font-size: .8rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: .75rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: .8em 1.4em;
    border-radius: 8px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    font: 500 1rem/1 var(--font);
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); text-decoration: none; }
.btn:disabled { opacity: .6; cursor: default; }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.3); color: var(--on-dark); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.5); }
.btn-small { padding: .55em 1em; font-size: .92rem; }
.btn-block { width: 100%; padding: 1em; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(21, 15, 31, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; }
.brand img { display: block; height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--on-dark-muted); font-size: .95rem; }
.nav-links a:not(.btn):hover { color: #fff; text-decoration: none; }
.nav-links .btn { color: #fff; }

.nav-toggle {
    display: none;
    width: 40px; height: 40px;
    background: none; border: 0; padding: 10px; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: #fff; margin: 5px 0; transition: transform .2s; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* Hero */
.hero {
    background:
        radial-gradient(900px 420px at 85% -10%, rgba(138, 81, 160, .35), transparent 60%),
        linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
    color: var(--on-dark);
    padding: 110px 0 120px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero .eyebrow, .section-contact .eyebrow { color: var(--accent-light); }
.hero-mark {
    position: absolute;
    right: -60px; top: 50%;
    width: 520px; max-width: 60vw;
    transform: translateY(-50%);
    opacity: .22;
    pointer-events: none;
}
.hero h1 { color: #fff; max-width: 17ch; }
.hero .lead { font-size: 1.15rem; color: var(--on-dark-muted); max-width: 60ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-sub { color: var(--muted); }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
    background: var(--bg);
    transition: border-color .15s, box-shadow .15s;
}
.card:hover { border-color: #d7cfe0; box-shadow: 0 8px 24px rgba(21, 15, 31, .06); }
.card p { color: var(--muted); }
.card ul { margin: 0; padding: 0; list-style: none; }
.card li { position: relative; padding-left: 20px; margin-bottom: .45em; font-size: .95rem; }
.card li::before {
    content: ""; position: absolute; left: 0; top: .62em;
    width: 8px; height: 2px; background: var(--accent);
}
.card-icon {
    width: 44px; height: 44px; border-radius: 10px;
    background: rgba(138, 81, 160, .1);
    display: grid; place-items: center; margin-bottom: 18px;
}
.card-icon svg, .contact-list svg {
    width: 22px; height: 22px; fill: none; stroke: var(--accent);
    stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

/* On-demand */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.panel {
    background: var(--bg);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 28px;
}
.panel p { color: var(--muted); }
.panel strong { color: var(--text); font-weight: 500; }

.tz { margin-top: 20px; font-family: var(--mono); font-size: .85rem; }
.tz-row { display: flex; justify-content: space-between; padding: 8px 0; border-top: 1px dashed var(--line); }
.tz-row:first-child .tz-val { color: var(--accent); }
.tz-label { color: var(--muted); }
.tz-note { font-family: var(--font); font-size: .8rem; color: var(--muted); margin: 8px 0 0; }

/* How we work */
.points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.point-num { display: block; font-family: var(--mono); color: var(--accent); font-size: .85rem; margin-bottom: 10px; }
.point h3 { font-size: 1.05rem; }
.point p { color: var(--muted); font-size: .95rem; }

/* Contact */
.section-contact { background: var(--ink); color: var(--on-dark); }
.section-contact h2 { color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.contact-intro > p { color: var(--on-dark-muted); max-width: 44ch; }
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; }
.contact-list li { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.08); }
.contact-list a, .contact-list span { color: var(--on-dark); }
.contact-list svg { stroke: var(--accent-light); }

.contact-form {
    background: var(--bg);
    color: var(--text);
    border-radius: var(--radius);
    padding: 32px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 6px; }
.field em { font-style: normal; color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
    width: 100%;
    padding: .7em .85em;
    font: inherit;
    font-size: .98rem;
    color: var(--text);
    background: var(--bg);
    border: 1px solid #d8d1e1;
    border-radius: 8px;
    transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(138, 81, 160, .15);
}
.field .invalid { border-color: var(--accent); }
.phone-group { display: grid; grid-template-columns: minmax(0, 15rem) 1fr; gap: 8px; }
.phone-group select { padding-left: .6em; padding-right: .3em; }
.hp { position: absolute; left: -9999px; }
.form-status { margin: 14px 0 0; font-size: .92rem; min-height: 1.4em; }
.form-status.ok { color: #1b7a43; }
.form-status.err { color: var(--accent-dark); }

/* Footer */
.site-footer { background: var(--ink); border-top: 1px solid rgba(255,255,255,.08); color: var(--on-dark-muted); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 24px; padding-bottom: 24px; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--on-dark-muted); }
.footer-inner a:hover { color: #fff; }

/* Responsive */
@media (max-width: 960px) {
    .cards { grid-template-columns: 1fr; }
    .points { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 760px) {
    body { font-size: 16px; }
    .brand img { height: 30px; }
    .hero-mark { right: -120px; top: 12%; transform: none; width: 340px; max-width: none; opacity: .14; }
    .container { padding: 0 16px; }
    .section { padding: 72px 0; }
    .hero { padding: 72px 0 84px; }
    .split, .points, .field-row { grid-template-columns: 1fr; }
    .field-row { gap: 0; }
    .contact-form { padding: 22px; }
    .phone-group { grid-template-columns: 1fr; }

    .nav-toggle { display: block; }
    .nav-links {
        position: absolute; top: 64px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--ink); padding: 8px 16px 20px;
        border-bottom: 1px solid rgba(255,255,255,.08);
        display: none;
    }
    .nav-links.open { display: flex; }
    .nav-links a:not(.btn) { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
    .nav-links .btn { margin-top: 14px; text-align: center; }
    .footer-inner { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}

/* 404 */
.hero-404 { min-height: 100vh; display: flex; align-items: center; }
.hero-404 .brand { margin-bottom: 56px; }