/* ==========================================================================
   Volt Digital — global styles
   ========================================================================== */

:root {
  --bg: #07080c;
  --bg-2: #0d0f16;
  --surface: #12141d;
  --surface-2: #181b26;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f5f7;
  --muted: #9aa0ad;
  --volt: #d6ff3a;          /* brand accent: electric volt */
  --volt-ink: #0b0d05;      /* text on volt */
  --spark: #4f6bff;         /* secondary glow */
  --radius: 20px;
  --radius-sm: 12px;
  --max: 1200px;
  --font-display: "Archivo", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip; /* clip, not hidden: hidden breaks position: sticky */
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--volt); color: var(--volt-ink); }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .container { padding: 0 16px; } }

/* ---------- Type ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0 0 0.5em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 46ch; }
.volt { color: var(--volt); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--volt);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--volt); box-shadow: 0 0 12px var(--volt);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px;
  border-radius: 999px;
  font-weight: 600; font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  font-family: inherit;
}
.btn-primary { background: var(--volt); color: var(--volt-ink); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 40px -8px rgba(214, 255, 58, .55); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--text); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(7, 8, 12, 0.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav-logo img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 0.95rem; color: var(--muted); transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a.btn-primary { color: var(--volt-ink); }
.nav-links a.lang-switch {
  font-size: 0.78rem; font-weight: 700; letter-spacing: .1em;
  padding: 6px 10px; border: 1px solid var(--line-strong); border-radius: 999px;
}
.nav-links a.lang-switch:hover { border-color: var(--volt); color: var(--volt); }
@media (min-width: 861px) { .nav-links { gap: 28px; } }
@media (max-width: 860px) {
  .nav-links a.lang-switch { border: none; border-bottom: 1px solid var(--line); border-radius: 0; padding: 16px 4px; font-size: 1.15rem; }
}
.nav-cta { padding: 11px 20px; font-size: 0.9rem; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line-strong); color: var(--text);
  width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: currentColor; margin: 0 auto; position: relative;
  transition: transform .25s ease, background .25s ease;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 76px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 8px 16px 24px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
  }
  .nav-links li a { display: block; padding: 16px 4px; font-size: 1.15rem; border-bottom: 1px solid var(--line); }
  .nav-links li:last-child a { border: none; margin-top: 16px; text-align: center; }
  .nav-open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav-open .site-header { background: var(--bg); }
}

/* ---------- Glow background ---------- */
.glow {
  position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0;
}
.glow-volt { background: radial-gradient(circle, rgba(214, 255, 58, .35), transparent 65%); }
.glow-spark { background: radial-gradient(circle, rgba(79, 107, 255, .45), transparent 65%); }
.grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 70%);
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: 160px 0 100px; overflow: hidden; }
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4.7rem); }
.hero h1 .line { display: block; }
.hero .lead { margin: 8px 0 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-note { margin-top: 22px; font-size: 0.88rem; color: var(--muted); }
.hero-note strong { color: var(--text); font-weight: 600; }
@media (max-width: 960px) {
  .hero { padding: 130px 0 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* AI answer mock */
.ai-card {
  position: relative;
  background: linear-gradient(180deg, rgba(24, 27, 38, .92), rgba(13, 15, 22, .92));
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 40px 120px -30px rgba(0, 0, 0, .8), 0 0 0 1px rgba(214, 255, 58, .05);
}
.ai-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: 24px; padding: 1px;
  background: linear-gradient(140deg, rgba(214, 255, 58, .55), transparent 35%, transparent 65%, rgba(79, 107, 255, .55));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.ai-top { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.ai-top i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.ai-top span { margin-left: auto; font-size: 0.75rem; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.ai-q {
  margin-left: auto; max-width: 85%; width: fit-content;
  background: var(--surface-2); border: 1px solid var(--line);
  padding: 12px 16px; border-radius: 16px 16px 4px 16px; font-size: 0.95rem;
}
.ai-a { display: flex; gap: 12px; margin-top: 18px; }
.ai-avatar {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: conic-gradient(from 90deg, var(--volt), var(--spark), var(--volt));
}
.ai-a-body { font-size: 0.95rem; color: #d7dae2; min-height: 150px; }
.ai-a-body .pick {
  display: block; margin: 12px 0; padding: 12px 14px; border-radius: 12px;
  background: rgba(214, 255, 58, .08); border: 1px solid rgba(214, 255, 58, .35);
  color: var(--text);
}
.ai-a-body .pick b { color: var(--volt); }
.caret { display: inline-block; width: 8px; height: 1.05em; background: var(--volt); vertical-align: text-bottom; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.ai-sources { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; opacity: 0; transition: opacity .6s ease; }
.ai-sources.show { opacity: 1; }
.ai-sources span { font-size: 0.75rem; color: var(--muted); border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); padding: 22px 0; overflow: hidden; position: relative; background: var(--bg-2); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 32s linear infinite; }
.marquee-track span {
  font-family: var(--font-display); font-style: italic; font-weight: 800; text-transform: uppercase;
  font-size: 1.15rem; color: #5d6372; white-space: nowrap; display: inline-flex; align-items: center; gap: 56px;
}
.marquee-track span::after { content: "✦"; color: var(--volt); font-style: normal; font-size: .9rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
section { position: relative; }
.section { padding: 120px 0; }
.section-sm { padding: 80px 0; }
.section-head { max-width: 760px; margin-bottom: 64px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }
@media (max-width: 700px) { .section { padding: 84px 0; } .section-head { margin-bottom: 44px; } }

/* Shift (old vs new) */
.shift-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.shift-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px;
}
.shift-from { color: #6b7180; text-decoration: line-through; text-decoration-color: rgba(255,255,255,.25); font-weight: 500; }
.shift-to { font-family: var(--font-display); font-style: italic; font-weight: 800; text-transform: uppercase; font-size: 1.6rem; margin: 6px 0 14px; color: var(--volt); line-height: 1.05; }
.shift-card p { color: var(--muted); margin: 0; font-size: 0.98rem; }
@media (max-width: 900px) { .shift-grid { grid-template-columns: 1fr; } }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.service {
  grid-column: span 2;
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; display: flex; flex-direction: column;
  transition: border-color .25s ease, transform .25s ease;
}
.service:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.service.featured {
  grid-column: span 4;
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(214, 255, 58, .14), transparent 50%),
    radial-gradient(100% 100% at 0% 100%, rgba(79, 107, 255, .16), transparent 55%),
    var(--surface);
  border-color: rgba(214, 255, 58, .35);
}
.service.wide { grid-column: span 3; }
.service-tag {
  align-self: flex-start;
  font-size: 0.72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px; margin-bottom: 22px;
  border: 1px solid var(--line-strong); color: var(--muted);
}
.service.featured .service-tag { background: var(--volt); color: var(--volt-ink); border-color: var(--volt); }
.service h3 { margin-bottom: 12px; }
.service.featured h3 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.service p { color: var(--muted); }
.service ul { list-style: none; padding: 0; margin: 4px 0 28px; display: grid; gap: 10px; }
.service.featured ul { grid-template-columns: 1fr 1fr; }
.service li { position: relative; padding-left: 26px; font-size: 0.95rem; color: #d7dae2; }
.service li::before {
  content: ""; position: absolute; left: 0; top: 0.55em; width: 12px; height: 6px;
  border-left: 2px solid var(--volt); border-bottom: 2px solid var(--volt); transform: rotate(-45deg);
}
.service .link {
  margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.95rem;
}
.service .link:hover { color: var(--volt); }
.service.featured .link { color: var(--volt); }
@media (max-width: 980px) {
  .service, .service.featured, .service.wide { grid-column: span 6; }
}
@media (max-width: 600px) {
  .service { padding: 26px 22px; }
  .service.featured ul { grid-template-columns: 1fr; }
}

/* Process */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { border-top: 1px solid var(--line-strong); padding-top: 26px; }
.step-num {
  font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 0.95rem;
  color: var(--volt); margin-bottom: 14px; display: block;
}
.step h3 { font-size: 1.3rem; }
.step p { color: var(--muted); font-size: 0.96rem; margin: 0; }
@media (max-width: 900px) { .process { grid-template-columns: 1fr 1fr; gap: 36px 20px; } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 26px 48px 26px 0; position: relative;
  font-size: 1.12rem; font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 1.6rem; font-weight: 300; color: var(--volt); transition: transform .25s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 26px; margin: 0; max-width: 70ch; }

/* CTA band */
.cta-band {
  position: relative; overflow: hidden;
  border-radius: 32px; padding: 80px 48px; text-align: center;
  background: var(--volt); color: var(--volt-ink);
}
.cta-band h2 { max-width: 16ch; margin: 0 auto 18px; }
.cta-band p { max-width: 52ch; margin: 0 auto 32px; font-size: 1.1rem; color: rgba(11, 13, 5, .75); }
.cta-band .btn-dark { background: var(--volt-ink); color: var(--volt); }
.cta-band .btn-dark:hover { transform: translateY(-2px); box-shadow: 0 12px 40px -10px rgba(0, 0, 0, .6); }
.cta-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(-60deg, rgba(0,0,0,.05) 0 2px, transparent 2px 22px);
}
.cta-band > * { position: relative; }
@media (max-width: 600px) { .cta-band { padding: 56px 22px; border-radius: 24px; } }

/* ---------- Page hero (sub pages) ---------- */
.page-hero { position: relative; padding: 170px 0 80px; overflow: hidden; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero .lead { max-width: 56ch; }
@media (max-width: 700px) { .page-hero { padding: 130px 0 56px; } }

/* About */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: start; }
.portrait {
  aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden; position: relative;
  background:
    radial-gradient(80% 60% at 70% 20%, rgba(214, 255, 58, .25), transparent 60%),
    radial-gradient(80% 60% at 20% 90%, rgba(79, 107, 255, .3), transparent 60%),
    var(--surface);
  border: 1px solid var(--line-strong);
  display: grid; place-items: center; text-align: center; color: var(--muted); font-size: .9rem;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.about-copy p { color: #c9ccd4; }
.about-copy h2 { margin-bottom: 10px; }
.about-copy .about-meta {
  color: var(--volt); font-weight: 600; font-size: .9rem; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 26px;
}
.about-meta span { color: var(--muted); margin: 0 6px; }
.about-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.credentials { display: grid; grid-template-columns: 1fr 1.4fr 1.2fr; gap: 20px; margin-top: 20px; }
.credential { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.credential h4 {
  font-family: var(--font-body); font-style: normal; text-transform: uppercase;
  font-size: .75rem; letter-spacing: .16em; color: var(--muted); font-weight: 600; margin-bottom: 14px;
}
.chips-strong span { border-color: rgba(214, 255, 58, .45); color: var(--volt); }
@media (max-width: 900px) { .credentials { grid-template-columns: 1fr; } }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px; }
.stat b { display: block; font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 2rem; color: var(--volt); line-height: 1; }
.stat span { font-size: .85rem; color: var(--muted); }
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.skill { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.skill h3 { font-size: 1.25rem; }
.skill p { color: var(--muted); font-size: .96rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chips span { font-size: .8rem; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-strong); color: #c9ccd4; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value { padding: 30px 0; border-top: 1px solid var(--line-strong); }
.value p { color: var(--muted); margin: 0; }
.page-hero .stats { max-width: 720px; }
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project {
  display: flex; flex-direction: column; gap: 6px; padding: 28px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .2s, transform .2s;
}
.project:hover { border-color: rgba(214, 255, 58, .45); transform: translateY(-2px); }
.project-domain { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.15rem; color: var(--text); overflow-wrap: break-word; }
.project-domain .arrow { color: var(--volt); font-style: normal; }
.project-client { color: var(--volt); font-weight: 600; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.project-work { color: var(--muted); font-size: .95rem; }
.project-more { grid-column: span 2; border-style: dashed; border-color: var(--line-strong); background: transparent; }
.project-more .project-domain { color: var(--volt); }
.testimonials { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.testimonial {
  margin: 0; padding: 34px; display: flex; flex-direction: column; justify-content: space-between; gap: 28px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  border-top: 3px solid var(--volt);
}
.testimonial blockquote { margin: 0; color: #d7dae2; font-size: 1.05rem; line-height: 1.7; }
.testimonial figcaption b { display: block; color: var(--text); }
.testimonial figcaption span { color: var(--muted); font-size: .85rem; }
@media (max-width: 1100px) { .projects { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .projects { grid-template-columns: 1fr; } .project-more { grid-column: auto; } }
@media (max-width: 900px) {
  .testimonials { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .portrait { max-width: 420px; }
  .skills, .values { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats { gap: 10px; }
  .stat { padding: 14px 12px; }
  .stat b { font-size: 1.6rem; }
  .stat span { display: block; font-size: .75rem; line-height: 1.3; margin-top: 6px; }
}

/* Placeholder marker for content still to be written */
.todo { outline: 1px dashed rgba(214, 255, 58, .5); outline-offset: 4px; border-radius: 4px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items: start; }
.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field label { font-size: .85rem; font-weight: 600; color: #c9ccd4; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--text);
  background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: 14px 16px; transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field select { appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--volt) 50%), linear-gradient(135deg, var(--volt) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px; background-repeat: no-repeat; padding-right: 44px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--volt); box-shadow: 0 0 0 4px rgba(214, 255, 58, .12);
}
.service-picks { display: flex; flex-wrap: wrap; gap: 10px; }
.service-picks label {
  cursor: pointer; font-size: .9rem; font-weight: 500; color: #c9ccd4;
  padding: 10px 16px; border-radius: 999px; border: 1px solid var(--line-strong);
  transition: all .2s ease; user-select: none;
}
.service-picks label { position: relative; }
.service-picks input { position: absolute; inset: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.contact-grid > * { min-width: 0; }
.service-picks input:checked + span { color: var(--volt-ink); }
.service-picks label:has(input:checked) { background: var(--volt); border-color: var(--volt); color: var(--volt-ink); }
.service-picks label:has(input:focus-visible) { box-shadow: 0 0 0 3px rgba(214, 255, 58, .35); }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: .82rem; color: var(--muted); margin: 14px 0 0; }
.form-status { margin-top: 18px; padding: 14px 16px; border-radius: var(--radius-sm); display: none; font-size: .95rem; }
.form-status.ok { display: block; background: rgba(214, 255, 58, .1); border: 1px solid rgba(214, 255, 58, .4); }
.form-status.err { display: block; background: rgba(255, 90, 90, .1); border: 1px solid rgba(255, 90, 90, .4); }
.contact-aside { display: grid; gap: 20px; }
.info-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.info-card h3 { font-size: 1.1rem; margin-bottom: 14px; }
.info-card a { color: var(--volt); }
.info-card ol { margin: 0; padding-left: 20px; color: var(--muted); display: grid; gap: 10px; }
.info-card ol b { color: var(--text); font-weight: 600; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .form-card { padding: 26px 18px; } .form-row { grid-template-columns: 1fr; gap: 0; } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 72px 0 36px; margin-top: 40px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid img { height: 40px; width: auto; margin-bottom: 18px; }
.footer-grid p { color: var(--muted); font-size: .95rem; max-width: 34ch; }
.footer-grid h4 { font-family: var(--font-body); font-style: normal; text-transform: uppercase; font-size: .75rem; letter-spacing: .16em; color: var(--muted); font-weight: 600; margin-bottom: 18px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-grid ul a { color: #c9ccd4; font-size: .95rem; }
.footer-grid ul a:hover { color: var(--volt); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); font-size: .85rem; color: #6b7180; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .caret { animation: none; }
}

/* Direct contact card */
.contact-person { color: var(--muted); font-size: .9rem; margin: -6px 0 14px; }
.contact-person span { margin: 0 4px; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.contact-list a { font-weight: 500; }

/* reCAPTCHA v2 checkbox (space reserved so the form doesn't jump when it loads) */
.captcha { min-height: 78px; margin: 4px 0 22px; }
.captcha[hidden] { display: none; }
.form-note a { color: var(--text); text-decoration: underline; text-underline-offset: 2px; }

/* Legal pages (Impressum, Datenschutz) */
.legal { max-width: 760px; }
.legal h2 {
  font-size: clamp(1.15rem, 2vw, 1.4rem); font-style: normal; text-transform: none; letter-spacing: -0.01em;
  margin: 48px 0 14px;
}
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { color: #c9ccd4; }
.legal ul { padding-left: 20px; display: grid; gap: 10px; margin: 0 0 1em; }
.legal a { color: var(--volt); word-break: break-word; }
.legal strong { color: var(--text); }
.footer-bottom .legal-links { display: inline-flex; gap: 20px; }
.footer-bottom .legal-links a:hover { color: var(--volt); }

/* ==========================================================================
   Home: scroll experience (x-*). All content is in the HTML and readable
   without JS; .js-motion only adds the animated states.
   ========================================================================== */
.x-display { font-family: var(--font-display); font-style: italic; font-weight: 800; text-transform: uppercase; letter-spacing: -.01em; line-height: .94; }
.x-scene { position: relative; }
.x-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: grid; place-items: center; }
.x-orb {
  position: absolute; width: 80vmax; height: 80vmax; border-radius: 50%; filter: blur(60px); pointer-events: none; will-change: transform;
  background: radial-gradient(closest-side at 35% 40%, rgba(214,255,58,.5), transparent 70%), radial-gradient(closest-side at 65% 60%, rgba(79,107,255,.55), transparent 70%);
}

/* 1 Hero */
.x-hero { height: 190vh; height: 190svh; }
.x-hero .x-orb { transform: scale(.6); }
.x-hero-copy { position: relative; z-index: 1; text-align: center; padding: 0 16px; max-width: 1100px; will-change: transform, opacity; }
.x-hero-copy h1 { font-size: clamp(2.8rem, 8.4vw, 8.2rem); margin: 0; line-height: .92; }
.x-hero-copy .lead { margin: 28px auto 0; max-width: 44ch; color: #c9ccd4; font-size: clamp(1.05rem, 1.6vw, 1.3rem); }
.x-hero-copy .hero-actions { justify-content: center; margin-top: 34px; }
.x-cue { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.x-cue::after { content: ""; display: block; width: 1px; height: 38px; margin: 10px auto 0; background: linear-gradient(var(--volt), transparent); animation: x-drip 1.8s infinite; }
@keyframes x-drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* 2 Chat */
.x-chat { height: 300vh; height: 300svh; }
.x-chat-grid { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.x-steps h2 { margin: 0 0 .12em; font-size: clamp(2.1rem, 4.8vw, 4.4rem); opacity: .2; transition: opacity .5s ease; }
.x-steps h2.on { opacity: 1; }
.x-steps p { color: var(--muted); max-width: 42ch; margin-top: 22px; font-size: 1.05rem; }
.x-device {
  border-radius: 28px; padding: 26px; background: linear-gradient(160deg, #161926, #0d0f16); border: 1px solid var(--line-strong);
  box-shadow: 0 40px 120px -20px rgba(79,107,255,.35); will-change: transform;
}
.x-device-top { display: flex; align-items: center; gap: 6px; margin-bottom: 22px; }
.x-device-top i { width: 10px; height: 10px; border-radius: 50%; background: #2a2e3c; }
.x-device-top span { margin-left: auto; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.x-q { margin-left: auto; max-width: 82%; padding: 14px 18px; border-radius: 18px 18px 4px 18px; background: #232838; transition: opacity .5s, transform .5s; }
.x-answer { margin-top: 22px; min-height: 8.5em; line-height: 1.6; color: #d7dae2; }
.x-answer .pick { padding: 2px 6px; border-radius: 6px; transition: background .6s, color .6s, box-shadow .6s; }
.x-answer .pick.on { background: var(--volt); color: var(--volt-ink); box-shadow: 0 0 40px rgba(214,255,58,.5); }
.x-answer .caret { display: inline-block; width: 2px; height: 1.1em; vertical-align: -3px; background: var(--volt); animation: x-blink 1s steps(2) infinite; }
@keyframes x-blink { 50% { opacity: 0; } }
.x-sources { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.x-sources span { font-size: .75rem; color: var(--muted); border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }
@media (max-width: 900px) {
  .x-chat { height: 240vh; height: 240svh; }
  .x-chat-grid { grid-template-columns: 1fr; gap: 22px; }
  .x-steps { text-align: center; }
  .x-steps h2 { font-size: clamp(1.7rem, 7.5vw, 2.6rem); }
  .x-steps p { display: none; }
  .x-answer { min-height: 7.5em; font-size: .95rem; }
}

/* 3 Statement + why-now cards */
.x-words { height: 200vh; height: 200svh; }
.x-words p { max-width: 1100px; padding: 0 24px; margin: 0; font-size: clamp(1.9rem, 5.2vw, 4.6rem); font-weight: 700; line-height: 1.12; letter-spacing: -.02em; }
.x-words .w { transition: opacity .2s; }
.js-motion .x-words .w { opacity: .14; }
.js-motion .x-words .w.on { opacity: 1; }
.x-words .w.hl.on { color: var(--volt); }

/* 4 Platforms parallax */
.x-platforms { position: relative; min-height: 130vh; overflow: hidden; display: grid; place-items: center; }
.x-float { position: absolute; padding: 14px 24px; border-radius: 999px; border: 1px solid var(--line-strong); background: rgba(18,20,29,.8);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); font-weight: 600; white-space: nowrap; will-change: transform; }
.x-float.big { font-size: 1.35rem; padding: 18px 30px; }
.x-float.dim { opacity: .45; filter: blur(1.5px); }
.x-platforms-copy { position: relative; z-index: 2; text-align: center; padding: 0 16px; }
.x-platforms-copy h2 { font-size: clamp(2.6rem, 8vw, 7rem); }
.x-platforms-copy p { max-width: 44ch; margin: 0 auto; color: #c9ccd4; font-size: 1.15rem; }
@media (max-width: 700px) { .x-float.dim { display: none; } .x-float { font-size: .85rem; padding: 10px 16px; } .x-float.big { font-size: 1rem; padding: 12px 20px; } }

/* 5 Services: sticky index on the left, detailed panels scroll on the right */
.x-services-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: start; }
.x-index { position: sticky; top: 120px; }
.x-index h2 { font-size: clamp(2.2rem, 4.2vw, 3.8rem); }
.x-index ol { list-style: none; margin: 34px 0 0; padding: 0; display: grid; gap: 4px; }
.x-index a { display: flex; gap: 16px; align-items: baseline; padding: 10px 0; color: var(--muted); border-bottom: 1px solid var(--line); transition: color .3s; }
.x-index a span { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: .85rem; color: #4a4f5c; transition: color .3s; }
.x-index a b { font-weight: 600; font-size: 1.15rem; }
.x-index a.on, .x-index a:hover { color: var(--text); }
.x-index a.on span { color: var(--volt); }
.x-panels { display: grid; gap: 24px; }
.x-panel {
  position: relative; overflow: hidden; min-height: 68vh; padding: 190px 40px 40px; border-radius: 28px;
  background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: flex-end; scroll-margin-top: 100px;
}
.x-panel::before { content: ""; position: absolute; top: -25%; right: -25%; width: 80%; aspect-ratio: 1; border-radius: 50%; filter: blur(50px); opacity: .5;
  background: radial-gradient(closest-side, var(--c, rgba(214,255,58,.55)), transparent); pointer-events: none; }
.x-panel > * { position: relative; }
.x-panel .service-tag { align-self: flex-start; }
.x-panel h3 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); margin: 14px 0 12px; }
.x-panel > p { color: #c9ccd4; font-size: 1.05rem; max-width: 46ch; }
.x-panel ul { list-style: none; padding: 0; margin: 8px 0 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; }
.x-panel li { position: relative; padding-left: 24px; color: #d7dae2; font-size: .95rem; }
.x-panel li::before { content: ""; position: absolute; left: 0; top: .5em; width: 12px; height: 2px; background: var(--volt); }
.x-panel .link { color: var(--volt); font-weight: 600; }
.x-visual { position: absolute; top: 34px; right: 34px; left: auto; width: min(52%, 300px); }
.x-mini { border-radius: 16px; border: 1px solid var(--line-strong); background: rgba(7,8,12,.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); padding: 14px; font-size: .78rem; color: #c9ccd4; }
.x-mini .row { display: flex; align-items: center; gap: 10px; padding: 7px 0; }
.x-mini .row + .row { border-top: 1px solid var(--line); }
.x-mini .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--volt); box-shadow: 0 0 10px var(--volt); flex: none; }
.x-mini .bar { height: 6px; border-radius: 99px; background: #2a2e3c; flex: 1; overflow: hidden; }
.x-mini .bar i { display: block; height: 100%; background: var(--volt); width: var(--w, 50%); }
.x-mini .rank { font-family: var(--font-display); font-style: italic; font-weight: 800; color: var(--volt); width: 22px; }
.x-mini .muted { color: var(--muted); }
@media (max-width: 960px) {
  .x-services-grid { grid-template-columns: 1fr; gap: 28px; }
  .x-index { position: static; }
  .x-index ol { display: none; }
  .x-panel { min-height: 0; padding: 28px; padding-top: 180px; }
  .x-visual { top: 24px; left: 24px; right: 24px; width: auto; max-width: 320px; }
  .x-panel ul { grid-template-columns: 1fr; }
}

/* 6 Numbers */
.x-stats { padding: 120px 0; }
.x-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: center; }
.x-stats b { display: block; font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: clamp(4rem, 11vw, 9rem); line-height: 1; color: var(--volt); }
.x-stats span { color: var(--muted); font-size: 1.05rem; }
@media (max-width: 700px) { .x-stats-grid { grid-template-columns: 1fr; gap: 52px; } }

/* 7 Process with filling line */
.x-process { position: relative; }
.x-process::before, .x-process::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; }
.x-process::before { background: var(--line-strong); }
.x-process::after { background: var(--volt); box-shadow: 0 0 14px var(--volt); transform-origin: left; transform: scaleX(var(--p, 1)); }
.x-process .step { border-top-color: transparent; }
@media (max-width: 900px) { .x-process::before, .x-process::after { display: none; } .x-process .step { border-top-color: var(--line-strong); } }

/* 8 Clients: big quote + project strip */
.x-quote { position: relative; overflow: hidden; padding: 140px 0 100px; }
.x-quote .x-orb { width: 60vmax; height: 60vmax; opacity: .3; left: -20vmax; top: 0; }
.x-quote > .container > figure { position: relative; margin: 0 auto; text-align: center; }
.x-clients .testimonial { text-align: left; }
.x-quote > .container > figure blockquote { margin: 0 auto; max-width: 22ch; font-size: clamp(2rem, 4.8vw, 4.2rem); font-weight: 700; line-height: 1.12; letter-spacing: -.02em; }
.x-quote > .container > figure figcaption { margin-top: 30px; color: var(--muted); }
.x-clients { position: relative; display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; margin-top: 80px; }
.x-clients .testimonial blockquote { font-size: 1rem; }
.x-client-list { display: grid; gap: 12px; align-content: start; }
.x-client-list a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 20px 24px; border-radius: 18px; border: 1px solid var(--line); background: var(--surface); transition: border-color .2s; }
.x-client-list a:hover { border-color: rgba(214,255,58,.45); }
.x-client-list b { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.1rem; }
.x-client-list span { color: var(--muted); font-size: .85rem; text-align: right; }
.x-client-list .more { border-style: dashed; border-color: var(--line-strong); background: transparent; color: var(--volt); font-weight: 600; justify-content: center; }
@media (max-width: 900px) { .x-clients { grid-template-columns: 1fr; } }

/* 9 CTA */
.x-cta { min-height: 0; display: grid; place-items: center; text-align: center; padding: 40px 16px 140px; position: relative; overflow: hidden; }
.x-cta .x-orb { width: 70vmax; height: 70vmax; opacity: .35; }
.x-cta > div:not(.x-orb) { position: relative; }
.x-cta > div:not(.x-orb) { width: 100%; max-width: 900px; }
.x-cta h2 { font-size: clamp(2.4rem, 6.4vw, 5.2rem); max-width: 14ch; margin-inline: auto; }
.x-cta p { color: #c9ccd4; font-size: 1.2rem; margin: 0 0 34px; }

/* Fallbacks: no JS / reduced motion → plain, readable sections */
html:not(.js-motion) .x-hero, html:not(.js-motion) .x-chat, html:not(.js-motion) .x-words { height: auto; }
html:not(.js-motion) .x-stage { position: relative; height: auto; min-height: 0; padding: 140px 0 80px; }
html:not(.js-motion) .x-hero .x-stage { min-height: 100vh; }
html:not(.js-motion) .x-steps h2 { opacity: 1; }
html:not(.js-motion) .x-cue { display: none; }

/* ---------- Logo (inline SVG) ----------
   Header logo follows page progress: white → white outline → green line traces → green fill at the end */
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.logo-svg { display: block; height: 34px; width: auto; overflow: visible; }
.logo-base { fill: #fff; stroke: #fff; stroke-width: 14; stroke-opacity: 0; }
.logo-trace path { fill: var(--volt); fill-opacity: 0; stroke: var(--volt); stroke-width: 16; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.logo-foot { height: 40px; fill: var(--volt); margin-bottom: 18px; }