/* ==========================================================================
   AI NextStep — presentation.it-entrepreneur.online
   Style: "midnight terminal with violet beacons" (dope.security reference)
   Font stack: Inter (Whyte Inktrap substitute), JetBrains Mono (stamps),
               Lora Italic (display serif). See fonts.css.
   Rules: shadowless, hairline structure, one rationed violet accent.
   ========================================================================== */

:root {
    /* palette */
    --ink: #090909;
    --ink-2: #0d0d0f;
    --paper: #f7f9fa;
    --soft: #f0f0f0;
    --steel: #a3a3a9;
    --ash: #6b6b6b;
    --graphite: #474747;
    --iron: #423738;
    --violet: #af50ff;
    --violet-2: #c07dff;
    --lavender: #e1bdff;

    --line: rgba(247, 249, 250, 0.16);
    --line-soft: rgba(247, 249, 250, 0.09);
    --wash: rgba(247, 249, 250, 0.04);
    --wash-2: rgba(247, 249, 250, 0.07);
    --violet-wash: rgba(225, 189, 255, 0.10);

    /* type */
    --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --font-serif: 'Lora', Georgia, 'Times New Roman', serif;

    /* geometry */
    --radius-card: 19.2px;
    --radius-btn: 8px;
    --radius-pill: 1584px;
    --page: 1200px;
    --gap: clamp(72px, 9vw, 120px);

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection { background: var(--violet); color: #0b0b0d; }

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3, h4 { font-weight: 300; margin: 0; letter-spacing: -0.02em; line-height: 1.12; }

p { margin: 0; }

.container { max-width: var(--page); margin: 0 auto; padding: 0 28px; }

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 100;
    background: var(--violet); color: #0b0b0d; padding: 10px 16px; border-radius: var(--radius-btn);
    font-size: 14px; text-decoration: none;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- reveal ---------- */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    html.js .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
}

/* ---------- announce ---------- */
.announce {
    display: flex; align-items: center; justify-content: center; gap: 14px;
    padding: 10px 20px; background: var(--ink-2);
    border-bottom: 1px solid var(--line-soft);
    font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
    color: var(--steel);
}
.announce a { color: var(--lavender); text-decoration: none; border-bottom: 1px solid rgba(225,189,255,.35); }
.announce a:hover { color: #fff; border-bottom-color: #fff; }

/* ---------- nav: frosted bar ---------- */
.nav-wrap { position: sticky; top: 0; z-index: 60; }
.nav-pill {
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
    max-width: none; margin: 0; padding: 0 28px; min-height: 64px;
    background: rgba(51, 50, 72, 0.62);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(107, 107, 107, 0.55);
}
.nav-wrap.scrolled .nav-pill { background: rgba(20, 19, 26, 0.88); }

.nav-logo {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-sans); font-weight: 500; font-size: 15px; letter-spacing: .01em;
    text-decoration: none; color: var(--paper); white-space: nowrap;
}
.nav-logo .mark { width: 11px; height: 11px; border-radius: 3px; background: var(--violet); display: inline-block; }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
    font-family: var(--font-sans); font-size: 12px; font-weight: 400;
    letter-spacing: .07em; text-transform: uppercase;
    color: var(--steel); text-decoration: none; padding: 10px 0;
    transition: color .25s var(--ease);
}
.nav-links a:hover { color: var(--paper); }
.nav-links a.active { color: var(--paper); }

.nav-right { display: flex; align-items: center; gap: 16px; }

.lang-switch { display: inline-flex; align-items: center; gap: 2px; }
.lang-switch button {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
    padding: 7px 9px; min-width: 34px; min-height: 30px;
    background: transparent; color: var(--ash); border: 1px solid transparent; border-radius: 6px;
    cursor: pointer; transition: color .2s var(--ease), border-color .2s var(--ease);
}
.lang-switch button:hover { color: var(--paper); }
.lang-switch button.on { color: var(--paper); border-color: var(--line); }
.lang-switch button:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }

.nav-cta { padding: 10px 18px !important; font-size: 14px !important; }

/* ---------- buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    border-radius: var(--radius-btn); border: 1px solid transparent;
    padding: 13px 22px; font-family: var(--font-sans); font-weight: 500; font-size: 15px;
    letter-spacing: .01em; line-height: 1; text-decoration: none; cursor: pointer;
    transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; }

.btn-violet { background: var(--violet); color: #0b0b0d; }
.btn-violet:hover { background: var(--violet-2); transform: translateY(-1px); }

.btn-outline {
    background: var(--wash); color: var(--paper);
    border-color: rgba(247, 249, 250, 0.30);
}
.btn-outline:hover { border-color: rgba(247, 249, 250, 0.65); background: var(--wash-2); transform: translateY(-1px); }

.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-pill { border-radius: var(--radius-pill); padding: 16px 30px; }

.link-eline, .link-cline {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 15px; font-weight: 400; color: var(--lavender); text-decoration: none;
    border-bottom: 1px solid rgba(225, 189, 255, 0.35); padding-bottom: 2px;
    transition: color .25s var(--ease), border-color .25s var(--ease);
}
.link-eline:hover, .link-cline:hover { color: #fff; border-color: #fff; }

/* ---------- burger / mobile menu ---------- */
.burger {
    display: none; width: 42px; height: 42px; border-radius: 10px;
    background: var(--wash); border: 1px solid var(--line-soft); cursor: pointer;
    flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 0;
}
.burger span { display: block; width: 18px; height: 1.6px; background: var(--paper); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

.mobile-menu {
    position: fixed; inset: 0; z-index: 55; padding: 96px 28px 40px;
    background: rgba(9, 9, 9, 0.97);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .35s var(--ease), transform .35s var(--ease);
    overflow-y: auto;
}
.mobile-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; max-width: 480px; margin: 0 auto; }
.mobile-menu nav > a {
    font-size: 26px; font-weight: 300; letter-spacing: -0.01em; color: var(--paper);
    text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--line-soft);
}
.mobile-menu nav > a.active { color: var(--lavender); }
.mm-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 28px; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line-soft); }
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 62% 40%; opacity: .9; }
.hero-media::after {
    content: ""; position: absolute; inset: 0;
    background:
        linear-gradient(90deg, rgba(9,9,9,.94) 0%, rgba(9,9,9,.72) 42%, rgba(9,9,9,.28) 100%),
        linear-gradient(180deg, rgba(9,9,9,.55) 0%, rgba(9,9,9,0) 30%, rgba(9,9,9,.65) 100%);
}
.hero-inner {
    position: relative;
    padding: clamp(72px, 12vh, 132px) 28px clamp(64px, 10vh, 116px);
    max-width: var(--page); margin: 0 auto;
    display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr); gap: clamp(28px, 5vw, 72px);
    align-items: center;
}

.eyebrow {
    display: block;
    font-family: var(--font-mono); font-size: 12px; font-weight: 400;
    letter-spacing: .18em; text-transform: uppercase; color: var(--soft);
}
.hero .eyebrow { margin-bottom: 22px; }

.hero h1 { margin: 0 0 26px; }
.hero h1 .serif {
    display: block;
    font-family: var(--font-serif); font-style: italic; font-weight: 400;
    font-size: clamp(40px, 6.2vw, 86px); line-height: 1.02; letter-spacing: -0.03em;
    color: var(--paper);
}
.hero h1 .hb {
    display: block;
    font-family: var(--font-sans); font-weight: 300;
    font-size: clamp(30px, 4.4vw, 56px); line-height: 1.06; letter-spacing: -0.03em;
    color: var(--paper); margin-top: 8px;
}
.hero-sub { max-width: 46ch; color: #c9cad0; font-size: clamp(16px, 1.5vw, 19px); font-weight: 300; margin-bottom: 22px; }
.hero-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); }

/* boarding pass card */
.pass {
    border-radius: var(--radius-card);
    background: linear-gradient(155deg, rgba(225, 189, 255, 0.12), rgba(247, 249, 250, 0.045) 55%);
    border: 1px solid rgba(247, 249, 250, 0.22);
    -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
    padding: clamp(24px, 3vw, 36px);
}
.pass-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.pass-label { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--soft); }
.pass-label::before { content: "+"; color: var(--violet); font-size: 13px; }
.pass-no { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--steel); }
.pass-route { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.pass-route .code { font-family: var(--font-mono); font-size: 13px; letter-spacing: .14em; color: var(--paper); text-transform: uppercase; }
.pass-route .dots { flex: 1; position: relative; height: 1px; background-image: linear-gradient(90deg, var(--line) 0 4px, transparent 4px 9px); background-size: 9px 1px; background-repeat: repeat-x; }
.pass-route .dots::before, .pass-route .dots::after { content: ""; position: absolute; top: -2.5px; width: 6px; height: 6px; border-radius: 50%; background: var(--violet); }
.pass-route .dots::before { left: 0; }
.pass-route .dots::after { right: 0; background: var(--lavender); }
.pass h2 { font-family: var(--font-serif); font-style: italic; font-weight: 400; font-size: clamp(21px, 2vw, 26px); letter-spacing: -0.01em; margin-bottom: 10px; }
.pass-d { color: #c9cad0; font-size: 15px; margin-bottom: 22px; }
.hero-cluster { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.pass-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; border-top: 1px dashed var(--line); padding-top: 16px; }
.capsule {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
    color: var(--lavender); background: var(--violet-wash); border: 1px solid rgba(225, 189, 255, 0.25);
    border-radius: var(--radius-pill); padding: 8px 14px; white-space: nowrap;
}
.pass-barcode { height: 40px; width: 104px; opacity: .85; background-image: repeating-linear-gradient(90deg, var(--paper) 0 2px, transparent 2px 5px, var(--paper) 5px 6px, transparent 6px 9px, var(--paper) 9px 12px, transparent 12px 16px); }

/* ---------- sections ---------- */
.section { padding: var(--gap) 0; }
.section.tight { padding: calc(var(--gap) * .62) 0; }
.band-carbon { background: var(--ink-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

.section-head { margin-bottom: clamp(28px, 4vw, 48px); }
.section-head.center { text-align: left; }
.section-head h2 { font-size: clamp(30px, 3.6vw, 46px); margin-top: 14px; }
.section-head p { color: var(--steel); margin-top: 14px; max-width: 60ch; }

.stamp {
    font-family: var(--font-mono); font-weight: 400;
    font-size: clamp(24px, 4.4vw, 60px); line-height: .95; letter-spacing: .2em;
    text-transform: uppercase; color: var(--soft);
}

/* metrics */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric { padding: 6px 26px; border-left: 1px solid var(--line-soft); }
.metric:first-child { border-left: 0; padding-left: 0; }
.metric b { display: block; font-family: var(--font-mono); font-weight: 400; font-size: clamp(20px, 2.2vw, 27px); letter-spacing: -0.01em; color: var(--paper); margin-bottom: 6px; }
.metric span { font-size: 13px; color: var(--steel); }

/* tiles */
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.tile {
    position: relative;
    border: 1px solid var(--line-soft); border-radius: var(--radius-card);
    padding: clamp(22px, 2.6vw, 34px);
    background: transparent;
    transition: border-color .35s var(--ease), background .35s var(--ease);
}
.tile:hover { border-color: rgba(247, 249, 250, 0.28); background: var(--wash); }
.tile .num { position: absolute; top: 18px; right: 22px; font-family: var(--font-mono); font-size: 44px; line-height: 1; color: rgba(247, 249, 250, 0.10); }
.tile .ico { display: inline-flex; width: 34px; height: 34px; color: var(--lavender); margin-bottom: 16px; }
.tile .ico svg { width: 100%; height: 100%; }
.tile h3 { font-size: 21px; font-weight: 400; margin-bottom: 10px; }
.tile > p { color: var(--steel); font-size: 15.5px; margin-bottom: 16px; }
.tile ul { list-style: none; margin: 0; padding: 0; }
.tile ul li { border-top: 1px solid var(--line-soft); padding: 10px 0; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .02em; color: #cfd0d3; }
.tile ul li:last-child { padding-bottom: 0; }

.tile--violet { background: var(--violet); border-color: var(--violet); color: #0b0b0d; }
.tile--violet:hover { background: var(--violet-2); border-color: var(--violet-2); }
.tile--violet .num { color: rgba(11, 11, 13, 0.22); }
.tile--violet .ico { color: #0b0b0d; }
.tile--violet > p { color: rgba(11, 11, 13, 0.74); }
.tile--violet ul li { border-top-color: rgba(11, 11, 13, 0.18); color: rgba(11, 11, 13, 0.82); }

/* reasons */
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.reason { border-top: 1px solid var(--line); padding-top: 18px; }
.reason .num { font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; color: var(--violet); }
.reason b { display: block; font-weight: 400; font-size: 17px; margin: 10px 0 8px; }
.reason p { color: var(--steel); font-size: 14px; }

/* statement */
.statement { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(34px, 5vw, 58px) 0; }
.statement h2 { font-family: var(--font-serif); font-style: italic; font-weight: 400; font-size: clamp(28px, 3.6vw, 46px); letter-spacing: -0.02em; max-width: 24ch; }
.statement p { color: var(--steel); margin-top: 16px; max-width: 62ch; }
.statement .btn { margin-top: 26px; }

/* cases */
.cases-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 22px; }
.case-card {
    grid-column: span 2;
    display: flex; flex-direction: column; gap: 16px;
    border: 1px solid var(--line-soft); border-radius: var(--radius-card);
    padding: 26px; text-decoration: none; color: inherit;
    transition: border-color .35s var(--ease), background .35s var(--ease);
}
a.case-card:hover { border-color: rgba(247, 249, 250, 0.3); background: var(--wash); }
.case-card--wide { grid-column: span 3; }
.case-visual { border: 1px solid var(--line-soft); border-radius: 12px; padding: 14px; background: var(--wash); }
.case-visual svg { width: 100%; height: auto; display: block; }
.case-tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--lavender); }
.case-card h3 { font-size: 19px; font-weight: 400; margin: 10px 0 8px; }
.case-card p { color: var(--steel); font-size: 14.5px; }
.case-meta { margin-top: auto; border-top: 1px solid var(--line-soft); padding-top: 14px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: #9a9aa0; }

/* cta box */
.cta-box {
    border: 1px solid var(--line); border-radius: var(--radius-card);
    padding: clamp(30px, 4.5vw, 56px);
    background: radial-gradient(120% 160% at 85% -20%, rgba(175, 80, 255, 0.16), rgba(9, 9, 9, 0) 55%);
}
.cta-box h2 { font-size: clamp(26px, 3.2vw, 40px); }
.cta-box p { color: var(--steel); margin: 14px 0 24px; max-width: 58ch; }

/* ---------- page hero (inner pages) ---------- */
.page-hero { padding: clamp(56px, 9vh, 96px) 0 clamp(8px, 2vh, 20px); }
.page-hero .eyebrow { margin-bottom: 18px; }
.page-hero h1 { font-size: clamp(34px, 4.6vw, 58px); max-width: 22ch; }
.page-hero .lead { color: var(--steel); font-size: clamp(16px, 1.6vw, 19px); max-width: 58ch; margin-top: 18px; }

/* ---------- services tracks ---------- */
.track-section { padding: calc(var(--gap) * .46) 0; }
.track { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(24px, 4vw, 56px); }
.track.rev .track-body { order: 2; }
.track.rev .track-panel { order: 1; }
.track-body .eyebrow { color: var(--violet); }
.track-body h2 { font-size: clamp(26px, 3.1vw, 38px); margin: 14px 0 16px; }
.track-body .lead { color: var(--steel); font-size: 16.5px; }
.track-panel ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-soft); }
.track-panel li { border-bottom: 1px solid var(--line-soft); padding: 13px 0; font-family: var(--font-mono); font-size: 13px; letter-spacing: .02em; color: #cfd0d3; }
.track-panel li::before { content: "+ "; color: var(--violet); }

/* media band */
.band { position: relative; overflow: hidden; border-radius: var(--radius-card); border: 1px solid var(--line-soft); min-height: 380px; display: flex; }
.band-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.band-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9,9,9,.95) 6%, rgba(9,9,9,.68) 52%, rgba(9,9,9,.4) 100%), linear-gradient(0deg, rgba(9,9,9,.55) 0%, rgba(9,9,9,0) 55%); }
.band-inner { position: relative; z-index: 1; padding: clamp(28px, 4.5vw, 56px); max-width: 620px; display: flex; flex-direction: column; justify-content: center; gap: 16px; }
.band-inner h2 { font-size: clamp(24px, 3vw, 36px); }
.band-inner p { color: #c9cad0; }

/* stack chips */
.stack { display: flex; flex-wrap: wrap; gap: 10px; }
.stack span {
    font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em;
    padding: 9px 14px; border: 1px solid var(--line-soft); border-radius: var(--radius-pill);
    color: #cfd0d3; background: var(--wash);
    transition: border-color .25s var(--ease), color .25s var(--ease);
}
.stack span:hover { border-color: rgba(175, 80, 255, 0.55); color: var(--paper); }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
    position: relative; display: flex; flex-direction: column; gap: 14px;
    border: 1px solid var(--line-soft); border-radius: var(--radius-card); padding: 30px;
}
.price-card .price-name { font-size: 15px; font-weight: 400; color: var(--soft); }
.price-value { font-family: var(--font-mono); font-size: clamp(26px, 2.6vw, 34px); letter-spacing: -0.02em; }
.price-note { color: var(--steel); font-size: 13.5px; }
.price-card ul { list-style: none; margin: 6px 0 10px; padding: 0; border-top: 1px solid var(--line-soft); }
.price-card li { border-bottom: 1px solid var(--line-soft); padding: 10px 0; font-size: 14px; color: #cfd0d3; }
.price-card .btn { margin-top: auto; }
.price-card.featured { background: var(--violet); border-color: var(--violet); color: #0b0b0d; }
.price-card.featured .price-name, .price-card.featured .price-note { color: rgba(11, 11, 13, 0.75); }
.price-card.featured li { border-color: rgba(11, 11, 13, 0.2); color: rgba(11, 11, 13, 0.85); }
.price-card.featured ul { border-top-color: rgba(11, 11, 13, 0.2); }
.price-badge {
    align-self: flex-start; font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
    background: #0b0b0d; color: var(--lavender); border-radius: var(--radius-pill); padding: 7px 12px;
}
.price-card.featured .btn-violet { background: #0b0b0d; color: #fff; }
.price-card.featured .btn-violet:hover { background: #1c1c22; }

.hourly {
    margin-top: 22px; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr) auto;
    gap: 24px; align-items: center;
    border: 1px solid var(--line-soft); border-radius: var(--radius-card); padding: 26px 30px;
}
.hourly p { color: var(--steel); }

.faq { border-top: 1px solid var(--line-soft); }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary { cursor: pointer; padding: 18px 0; font-size: 16.5px; font-weight: 400; list-style: none; position: relative; padding-right: 34px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-family: var(--font-mono); color: var(--violet); font-size: 18px; transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--steel); padding: 0 0 20px; max-width: 78ch; }

/* ---------- contacts ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(26px, 4vw, 56px); align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 6px; }
.contact-line {
    display: flex; align-items: center; gap: 16px;
    border: 1px solid var(--line-soft); border-radius: var(--radius-card); padding: 20px 22px;
    text-decoration: none; color: inherit; background: transparent;
    transition: border-color .3s var(--ease), background .3s var(--ease);
}
a.contact-line:hover { border-color: rgba(175, 80, 255, 0.6); background: var(--wash); }
.contact-line .ico { display: inline-flex; width: 30px; height: 30px; color: var(--lavender); flex: none; }
.contact-line .ico svg { width: 100%; height: 100%; }
.contact-line small { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); margin-bottom: 4px; }
.contact-line b { font-weight: 400; font-size: 19px; letter-spacing: -0.01em; }
.contact-line .sub { display: block; font-size: 13px; color: var(--steel); margin-top: 3px; }
.contact-note { color: var(--steel); font-size: 14px; padding: 16px 4px 0; }

.form-card { border: 1px solid var(--line); border-radius: var(--radius-card); padding: clamp(24px, 3vw, 36px); background: var(--ink-2); }
.form-card h3 { font-size: 24px; font-weight: 400; margin-bottom: 8px; }
.form-card .sub { color: var(--steel); font-size: 14.5px; margin-bottom: 6px; }
.form-legend { color: #9a9aa0; font-size: 12px; font-family: var(--font-mono); letter-spacing: .04em; margin: 14px 0 4px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--soft); margin-bottom: 7px; letter-spacing: .01em; }
.field--req label::after { content: " *"; color: var(--violet); }
.field input, .field textarea {
    width: 100%; background: var(--wash); color: var(--paper);
    border: 1px solid var(--line); border-radius: var(--radius-btn);
    padding: 12px 14px; font-family: var(--font-sans); font-size: 15px; font-weight: 300;
    transition: border-color .25s var(--ease), background .25s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: #8b8b92; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--violet); background: var(--wash-2); }
.field textarea { min-height: 132px; resize: vertical; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }

.form-status { margin-top: 14px; font-size: 14.5px; }
.form-status.ok { color: var(--lavender); }
.form-status.err { color: #ff9d9d; }
.form-hint { margin-top: 14px; color: var(--steel); font-size: 13px; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(26px, 4vw, 56px); align-items: start; }
.prose p { color: #c9cad0; font-size: 17px; margin-bottom: 18px; max-width: 66ch; }
.prose .tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.prose .tag-row span { font-family: var(--font-mono); font-size: 12px; padding: 8px 13px; border: 1px solid var(--line-soft); border-radius: var(--radius-pill); color: #cfd0d3; }
.about-side { display: flex; flex-direction: column; gap: 22px; }
.panel { border: 1px solid var(--line-soft); border-radius: var(--radius-card); padding: 26px; }
.panel h3 { font-size: 18px; font-weight: 400; margin-bottom: 14px; }
.fact { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line-soft); padding: 11px 0; font-size: 14px; }
.fact:first-of-type { border-top: 0; }
.fact span { color: var(--steel); }
.fact b { font-weight: 400; text-align: right; }
.principle { border-top: 1px solid var(--line-soft); padding: 13px 0; }
.principle:first-of-type { border-top: 0; }
.principle b { font-weight: 400; font-size: 15px; }
.principle b::before { content: "+ "; color: var(--violet); font-family: var(--font-mono); }
.principle p { color: var(--steel); font-size: 13.5px; margin-top: 4px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { border-top: 1px solid var(--line); padding-top: 18px; }
.step .num { font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; color: var(--violet); }
.step b { display: block; font-weight: 400; font-size: 16.5px; margin: 10px 0 8px; }
.step p { color: var(--steel); font-size: 14px; }

/* ---------- 404 ---------- */
.nf { min-height: 58vh; display: flex; align-items: center; }
.nf .big { font-family: var(--font-mono); font-size: clamp(96px, 18vw, 200px); line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(225, 189, 255, 0.5); margin-bottom: 8px; }
.nf h1 { font-size: clamp(26px, 3.4vw, 42px); margin-bottom: 12px; }
.nf p { color: var(--steel); margin-bottom: 26px; }
.nf .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line-soft); padding: clamp(40px, 6vw, 72px) 0 30px; }
.footer-statement { border-bottom: 1px solid var(--line-soft); padding-bottom: clamp(26px, 4vw, 44px); margin-bottom: clamp(26px, 4vw, 44px); }
.footer-statement p { font-family: var(--font-serif); font-style: italic; font-size: clamp(22px, 2.6vw, 32px); letter-spacing: -0.01em; color: var(--paper); }
.footer-cols { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 28px; }
.footer-cols h4 { font-family: var(--font-mono); font-weight: 400; font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--steel); margin-bottom: 16px; }
.footer-cols ul { list-style: none; margin: 0; padding: 0; }
.footer-cols li { padding: 5px 0; font-size: 14px; color: #cfd0d3; }
.footer-cols a { color: #cfd0d3; text-decoration: none; transition: color .2s var(--ease); }
.footer-cols a:hover { color: var(--paper); }
.footer-brand p { color: var(--steel); font-size: 14px; margin-top: 14px; max-width: 34ch; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: clamp(30px, 4vw, 48px); border-top: 1px solid var(--line-soft); padding-top: 22px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--steel); text-transform: uppercase; }
.footer-bottom .sig::before { content: "+ "; color: var(--violet); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
    .footer-cols { grid-template-columns: 1fr 1fr; }
    .reasons, .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .burger { display: flex; }
    .hero-inner { grid-template-columns: 1fr; }
    .tiles, .cases-grid { grid-template-columns: 1fr; }
    .case-card, .case-card--wide { grid-column: auto; }
    .track { grid-template-columns: 1fr; }
    .track.rev .track-body { order: 0; }
    .track.rev .track-panel { order: 1; }
    .price-grid { grid-template-columns: 1fr; }
    .hourly { grid-template-columns: 1fr; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .metrics { grid-template-columns: 1fr 1fr; row-gap: 18px; }
    .metric:nth-child(3) { border-left: 0; padding-left: 0; }
}

@media (max-width: 560px) {
    .container { padding: 0 20px; }
    .nav-pill { padding: 0 20px; }
    .footer-cols { grid-template-columns: 1fr; }
    .announce { font-size: 11px; padding: 9px 14px; text-align: center; }
    .metrics { grid-template-columns: 1fr; }
    .metric { border-left: 0; padding: 0 0 14px; border-bottom: 1px solid var(--line-soft); }
    .metric:last-child { border-bottom: 0; }
    .reasons, .steps { grid-template-columns: 1fr; }
    .hero-cluster .btn { width: 100%; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .band-inner { padding: 24px 20px; }
}