/* V2 Voltage — black / acid yellow athletic */

:root {
  --bg: #0a0a0a;
  --panel: #141414;
  --text: #f5f5f5;
  --muted: #a3a3a3;
  --volt: #d4ff00;
  --volt-ink: #0a0a0a;
  --line: rgba(245, 245, 245, 0.14);
  --font-display: "Archivo Black", Impact, sans-serif;
  --font-body: "Archivo", system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 4.25rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
::selection { background: var(--volt); color: var(--volt-ink); }

.shell { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: 0.55rem 0.9rem; background: var(--volt); color: var(--volt-ink); font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 1rem; }

.variant-bar {
  margin: 0; padding: 0.4rem 1rem; text-align: center;
  background: var(--volt); color: var(--volt-ink); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.variant-bar a { color: var(--volt-ink); }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
  display: flex; align-items: center; background: transparent;
  transition: background 0.3s var(--ease);
}
.site-header.is-scrolled { background: rgba(10, 10, 10, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }

.nav { display: flex; justify-content: space-between; align-items: center; width: min(1100px, calc(100% - 2rem)); }
.nav-brand {
  font-family: var(--font-display); font-size: 1.4rem; text-decoration: none;
  background: var(--volt); color: var(--volt-ink); width: 2.6rem; height: 2.6rem;
  display: grid; place-items: center;
}
.nav-menu { display: flex; gap: 1.5rem; align-items: center; }
.nav-menu a { text-decoration: none; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.nav-menu a:hover { color: var(--volt); }
.nav-cta { background: var(--volt); color: var(--volt-ink) !important; padding: 0.5rem 0.9rem; }
.nav-toggle { display: none; width: 2.6rem; height: 2.6rem; border: 1px solid var(--line); background: transparent; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.nav-toggle span { width: 1.1rem; height: 2px; background: var(--text); }

.hero {
  position: relative; min-height: 100svh; display: grid; align-items: end;
  padding: calc(var(--header-h) + 3rem) 0 4rem; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.3) contrast(1.1); animation: zoom 20s linear infinite alternate; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.55), rgba(10,10,10,0.92));
}
.hero-stack { position: relative; z-index: 1; }
.hero-tag { margin: 0 0 1rem; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--volt); }
.hero h1 {
  margin: 0 0 1.25rem; font-family: var(--font-display); font-size: clamp(3.5rem, 14vw, 8rem);
  line-height: 0.9; letter-spacing: -0.02em;
}
.hero-lead { max-width: 28rem; color: var(--muted); margin: 0 0 1.75rem; font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.95rem 1.4rem; font: inherit; font-weight: 700; font-size: 0.85rem;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border: 2px solid transparent; cursor: pointer;
}
.btn-volt { background: var(--volt); color: var(--volt-ink); border-color: var(--volt); }
.btn-volt:hover { filter: brightness(1.05); color: var(--volt-ink); }
.btn-line { background: transparent; color: var(--text); border-color: var(--text); }
.btn-line:hover { border-color: var(--volt); color: var(--volt); }

.about { padding: 5rem 0; border-top: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.5rem; align-items: center; }
.about h2 { font-family: var(--font-display); font-size: clamp(2.2rem, 6vw, 4rem); line-height: 0.95; margin: 0 0 1.25rem; }
.about p { color: var(--muted); }
.about ul { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.6rem; }
.about li { font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.85rem; border-left: 3px solid var(--volt); padding-left: 0.85rem; }
.about-shot { margin: 0; }
.about-shot img { width: 100%; aspect-ratio: 4/5; object-fit: cover; filter: contrast(1.05); }

.services { padding: 4.5rem 0 5rem; background: var(--panel); }
.services h2 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.5rem); margin: 0 0 2rem; }
.volt-list { list-style: none; margin: 0; padding: 0; }
.volt-list li {
  display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; align-items: start;
  padding: 1.5rem 0; border-top: 1px solid var(--line);
}
.volt-list li:last-child { border-bottom: 1px solid var(--line); }
.volt-list span { font-family: var(--font-display); color: var(--volt); font-size: 1.25rem; }
.volt-list h3 { margin: 0 0 0.35rem; font-size: 1.35rem; letter-spacing: 0.04em; text-transform: uppercase; }
.volt-list p { margin: 0; color: var(--muted); }

.why { position: relative; padding: 5rem 0; overflow: hidden; }
.why-bg { position: absolute; inset: 0; }
.why-bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.35); }
.why-grid { position: relative; z-index: 1; max-width: 36rem; }
.why h2 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.5rem); margin: 0 0 1.5rem; color: var(--volt); }
.why ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.why li { font-size: 1.15rem; }
.why strong { color: var(--volt); }

.contact { padding: 5rem 0; border-top: 1px solid var(--line); }
.contact-panel { display: grid; grid-template-columns: 1fr 1.1fr; gap: 2.5rem; }
.contact h2 { font-family: var(--font-display); font-size: clamp(3rem, 10vw, 6rem); margin: 0 0 0.75rem; line-height: 0.9; }
.contact a { text-decoration: none; font-weight: 700; }
.contact a:hover { color: var(--volt); }
.demo-note { color: var(--muted); font-size: 0.85rem; }
form { display: grid; gap: 0.75rem; }
input, select, textarea {
  width: 100%; padding: 0.9rem 1rem; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); font: inherit; border-radius: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--volt); outline-offset: 0; }
.form-status { color: var(--volt); margin: 0; }
.form-status.is-error { color: #ff6b6b; }

.site-footer { border-top: 1px solid var(--line); padding: 1.25rem 0; }
.footer-line {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.footer-line a { color: var(--volt); text-decoration: none; }

.reveal-hero { opacity: 0; transform: translateY(1.5rem); animation: rise 0.7s var(--ease) forwards; }
.reveal-delay-1 { animation-delay: 0.1s; }
.reveal-delay-2 { animation-delay: 0.2s; }
.reveal-delay-3 { animation-delay: 0.3s; }
.reveal { opacity: 0; transform: translateY(1.5rem); transition: 0.6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes zoom { from { transform: scale(1); } to { transform: scale(1.08); } }

@media (prefers-reduced-motion: reduce) {
  .reveal-hero, .reveal, .hero-bg img { animation: none !important; transition: none; opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .about-grid, .contact-panel { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; inset: calc(var(--header-h) + 1.6rem) 0 auto; flex-direction: column; align-items: stretch;
    gap: 0; padding: 1rem; background: #0a0a0a; border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a { padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
}