:root {
  --accent: #4bffa5;
  --accent-dim: #2fd283;
  --bg: #0d0d17;
  --bg-2: #12121e;
  --bg-3: #1a1a2a;
  --text: #e8e8f0;
  --muted: #a3a3b8;
  --border: #26263a;
  --radius: 14px;
  --max: 1120px;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-dim); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 1.25rem; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--accent); color: var(--bg); padding: .6rem 1rem; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 13, 23, .85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem;
}
.brand { color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; white-space: nowrap; }
.brand span { color: var(--accent); }
.nav { display: flex; gap: .25rem 1.25rem; flex-wrap: wrap; justify-content: flex-end; }
.nav a { color: var(--muted); text-decoration: none; font-size: .95rem; padding: .35rem 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-block; padding: .85rem 1.6rem; border-radius: 999px;
  background: var(--accent); color: var(--bg); font-weight: 700; text-decoration: none;
  transition: transform .15s ease, background-color .15s ease;
}
.btn:hover { background: var(--accent-dim); color: var(--bg); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent); }
.btn-ghost:hover { background: var(--accent); color: var(--bg); }

/* Hero */
.hero {
  padding-block: clamp(5rem, 14vw, 9rem);
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(75, 255, 165, .12), transparent 60%),
    radial-gradient(40rem 25rem at -10% 110%, rgba(75, 255, 165, .06), transparent 60%);
}
.eyebrow,
.section-head .eyebrow {
  display: inline-block; color: var(--accent); font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; font-size: .85rem; margin-bottom: 1rem;
}
.hero h1 span { color: var(--accent); }
.hero .lead { font-size: clamp(1.1rem, 2.2vw, 1.35rem); color: var(--muted); max-width: 38rem; margin-bottom: 2rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Sections */
.section { padding-block: clamp(4rem, 9vw, 6.5rem); }
.section-alt { background: var(--bg-2); }
.section-head { max-width: 48rem; margin-bottom: 2.5rem; }
.section-head p { color: var(--muted); }

.split { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }

.card {
  background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem;
}
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--muted); }

.tags { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; margin: 1.25rem 0 0; }
.tags li {
  font-size: .85rem; padding: .3rem .8rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text); background: var(--bg);
}
.tags li.primary { border-color: var(--accent); color: var(--accent); }

.services { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.service { transition: transform .2s ease, border-color .2s ease; }
.service:hover { transform: translateY(-4px); border-color: var(--accent); }
.icon {
  width: 3.25rem; height: 3.25rem; border-radius: 12px; margin-bottom: 1.25rem;
  display: grid; place-items: center; background: rgba(75, 255, 165, .1); color: var(--accent);
}
.icon svg { width: 1.6rem; height: 1.6rem; }

/* Contact */
.contact-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); margin-top: 2rem; }
.contact-item { display: flex; gap: 1rem; align-items: center; }
.contact-item .icon { margin: 0; flex: none; }
.contact-item strong { display: block; font-size: .85rem; color: var(--muted); font-weight: 500; }
.contact-item a, .contact-item span { color: var(--text); font-weight: 600; word-break: break-word; }
.contact-item a:hover { color: var(--accent); }

/* Legal pages */
.legal { padding-block: clamp(3rem, 7vw, 5rem); }
.legal .container { max-width: 50rem; }
.legal h1 { font-size: clamp(2rem, 5vw, 3rem); }
.legal h2 { font-size: 1.5rem; margin-top: 2.5rem; color: var(--accent); }
.legal h3 { font-size: 1.1rem; margin-top: 1.75rem; }
.legal p, .legal li { color: #cfcfdc; }
.legal ul { padding-left: 1.25rem; }
.legal address { font-style: normal; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding-block: 2rem; color: var(--muted); font-size: .9rem; }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

@media (max-width: 30rem) {
  .site-header .container { flex-direction: column; align-items: flex-start; gap: .25rem; padding-block: .6rem; }
  .nav { justify-content: flex-start; column-gap: .85rem; }
  .nav a { font-size: .9rem; }
}

/* FAQ */
.faq { display: grid; gap: .75rem; max-width: 50rem; }
.faq details { background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius); }
.faq details[open] { border-color: var(--accent); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.1rem 1.5rem; font-weight: 600;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 1.5rem 1.25rem; margin: 0; color: var(--muted); }

/* Projects */
.projects { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr)); }
.project { display: flex; flex-direction: column; }
.project .tags { margin-top: auto; padding-top: 1.25rem; }
.checklist { list-style: none; padding: 0; margin: 0 0 .5rem; display: grid; gap: .55rem; }
.checklist li { position: relative; padding-left: 1.6rem; color: var(--text); font-size: .975rem; }
.checklist li::before {
  content: ""; position: absolute; left: .15rem; top: .5em; width: .75rem; height: .4rem;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}