/* ===== RadWorks LLC — quiet luxury infrastructure studio ===== */
:root {
  --bg: #05060a;
  --bg-dim: #090b12;
  --panel: #0d1019;
  --line: #1a1f2e;
  --line-soft: #141826;
  --text: #e8eaf2;
  --muted: #8b93ab;
  --dim: #5b6478;
  --violet: #7c6cff;
  --cyan: #22d3ee;
  --green: #3ddc97;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: rgba(124, 108, 255, .35); }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1.05; }
h1 em {
  font-style: normal;
  background: linear-gradient(92deg, var(--violet), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.12; }

.kicker {
  font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: .32em; font-size: .72rem;
  color: var(--cyan); margin-bottom: 22px; font-weight: 500;
}

/* ===== overlays ===== */
.grid-overlay {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(124,108,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,108,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}
.cursor-glow {
  position: fixed; z-index: 1; pointer-events: none;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,108,255,.08), transparent 65%);
  transform: translate(-50%, -50%);
  left: 50%; top: 20%;
  transition: opacity .4s;
}

/* ===== nav ===== */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
}
.nav.scrolled {
  background: rgba(5, 6, 10, .82);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line-soft);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 28px;
  height: 76px; display: flex; align-items: center; gap: 40px;
}
.brand {
  display: flex; align-items: center; gap: 11px;
  font-family: var(--font-display); font-weight: 700; letter-spacing: .14em;
  font-size: .98rem; color: var(--text); text-decoration: none;
}
.brand-llc { color: var(--violet); margin-left: 6px; font-size: .72em; letter-spacing: .22em; }
.nav-menu { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav-menu a {
  color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 500;
  transition: color .2s;
}
.nav-menu a:hover { color: var(--text); }
.nav-cta {
  border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 20px !important; color: var(--text) !important;
  transition: border-color .2s, background .2s !important;
}
.nav-cta:hover { border-color: var(--violet); background: rgba(124,108,255,.08); }
.burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; margin-left: auto; }
.burger span { width: 22px; height: 2px; background: var(--text); }

/* ===== buttons ===== */
.btn {
  display: inline-block; font-family: var(--font-display); font-weight: 600;
  font-size: .95rem; letter-spacing: .02em; text-decoration: none;
  padding: 15px 32px; border-radius: 999px; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn:active { transform: scale(.97); }
.btn-solid {
  color: #fff;
  background: linear-gradient(92deg, var(--violet), #5a8bff);
  box-shadow: 0 10px 34px rgba(124, 108, 255, .32);
}
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 16px 44px rgba(124, 108, 255, .45); }
.btn-line { color: var(--text); border: 1px solid var(--line); }
.btn-line:hover { border-color: var(--violet); background: rgba(124,108,255,.06); }
.btn-full { width: 100%; border: none; font-size: 1rem; }

/* ===== hero ===== */
.hero {
  position: relative; z-index: 2;
  min-height: 100svh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 140px 28px 80px;
}
.hero-halo {
  position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
  width: 1000px; height: 700px; pointer-events: none;
  background:
    radial-gradient(ellipse 45% 40% at 50% 38%, rgba(124,108,255,.17), transparent 70%),
    radial-gradient(ellipse 25% 22% at 62% 30%, rgba(34,211,238,.09), transparent 70%);
}
.hero-inner { position: relative; max-width: 900px; }
.lede { color: var(--muted); font-size: 1.15rem; max-width: 620px; margin: 28px auto 40px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-meta {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  margin-top: 72px; color: var(--muted); font-size: .82rem; letter-spacing: .04em;
  flex-wrap: wrap;
}
.hero-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--violet); }
.scroll-hint {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  width: 1px; height: 56px; background: var(--line); overflow: hidden;
}
.scroll-hint span {
  position: absolute; left: 0; top: -40%; width: 100%; height: 40%;
  background: linear-gradient(var(--cyan), transparent);
  animation: drip 2.2s ease-in-out infinite;
}
@keyframes drip { to { top: 110%; } }

/* ===== ticker ===== */
.ticker {
  position: relative; z-index: 2;
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  overflow: hidden; padding: 20px 0; background: var(--bg-dim);
}
.ticker-track {
  display: flex; gap: 34px; width: max-content;
  animation: slide 36s linear infinite;
  font-family: var(--font-display); font-size: .86rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--muted); white-space: nowrap;
}
.ticker-track b { color: var(--violet); }
@keyframes slide { to { transform: translateX(-50%); } }

/* ===== sections ===== */
.section { position: relative; z-index: 2; padding: 130px 0; }
.section-dim { background: var(--bg-dim); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section-head { max-width: 640px; margin-bottom: 72px; }
.section-lede { color: var(--muted); margin-top: 20px; font-size: 1.05rem; }

/* ===== practice ===== */
.practice-list { border-top: 1px solid var(--line); }
.practice-item {
  display: grid; grid-template-columns: 110px 1fr; gap: 30px;
  padding: 44px 0; border-bottom: 1px solid var(--line);
  transition: background .25s, padding-left .25s;
}
.practice-item:hover { background: linear-gradient(90deg, rgba(124,108,255,.045), transparent 60%); padding-left: 16px; }
.p-num {
  font-family: var(--font-display); font-size: .9rem; color: var(--violet);
  letter-spacing: .2em; padding-top: 8px;
}
.p-body h3 { font-size: 1.45rem; margin-bottom: 10px; }
.p-body p { color: var(--muted); max-width: 640px; }
.p-tags { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.p-tags span {
  font-size: .76rem; letter-spacing: .06em; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px;
}

/* ===== numbers ===== */
.numbers { position: relative; z-index: 2; padding: 90px 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.num strong {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  background: linear-gradient(92deg, var(--text), var(--muted));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.num span { color: var(--muted); font-size: .88rem; }

/* ===== engagements ===== */
.engage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.engage-card {
  position: relative; background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; padding: 38px 32px;
  display: flex; flex-direction: column;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.engage-card:hover { transform: translateY(-6px); border-color: rgba(124,108,255,.5); box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.engage-card.featured {
  border-color: rgba(124,108,255,.55);
  background: linear-gradient(180deg, rgba(124,108,255,.09), var(--panel) 60%);
}
.e-flag {
  position: absolute; top: -12px; left: 32px;
  font-family: var(--font-display); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  background: linear-gradient(92deg, var(--violet), #5a8bff); color: #fff;
  padding: 5px 14px; border-radius: 999px;
}
.engage-card h3 { font-size: 1.5rem; }
.e-sub { color: var(--muted); font-size: .9rem; margin: 6px 0 24px; }
.engage-card ul { list-style: none; flex: 1; }
.engage-card li {
  padding: 9px 0 9px 26px; position: relative;
  color: var(--muted); font-size: .94rem;
}
.engage-card li::before {
  content: ""; position: absolute; left: 0; top: 16px;
  width: 12px; height: 2px; background: linear-gradient(90deg, var(--violet), var(--cyan));
}
.e-link {
  margin-top: 28px; font-family: var(--font-display); font-weight: 600;
  color: var(--cyan); text-decoration: none; font-size: .95rem;
  transition: letter-spacing .2s;
}
.e-link:hover { letter-spacing: .04em; }
.engage-note { text-align: center; color: var(--muted); font-size: .9rem; margin-top: 44px; }

/* ===== process ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { border-top: 1px solid var(--line); padding-top: 28px; transition: border-color .25s; }
.step:hover { border-top-color: var(--violet); }
.step span {
  font-family: var(--font-display); font-size: .82rem; letter-spacing: .3em;
  color: var(--violet);
}
.step h4 { font-size: 1.15rem; margin: 14px 0 10px; }
.step p { color: var(--muted); font-size: .92rem; }

/* ===== voices ===== */
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.voice {
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 36px 32px; display: flex; flex-direction: column; gap: 26px;
  transition: transform .25s, border-color .25s;
}
.voice:hover { transform: translateY(-6px); border-color: rgba(34,211,238,.4); }
.voice p { color: var(--text); font-size: 1.02rem; line-height: 1.7; flex: 1; }
.voice p::before { content: "“"; color: var(--violet); font-family: var(--font-display); font-size: 1.6em; line-height: 0; vertical-align: -6px; margin-right: 4px; }
.voice footer strong { display: block; font-family: var(--font-display); font-size: .95rem; }
.voice footer span { color: var(--muted); font-size: .84rem; }

/* ===== contact ===== */
.contact { position: relative; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.contact-lines { display: flex; flex-direction: column; gap: 12px; margin-top: 36px; }
.contact-lines a {
  font-family: var(--font-display); font-size: 1.3rem; color: var(--cyan);
  text-decoration: none; transition: color .2s;
}
.contact-lines a:hover { color: var(--text); }
.contact-lines span { color: var(--muted); font-size: .88rem; letter-spacing: .04em; }
.contact-form {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 20px; padding: 40px;
  display: flex; flex-direction: column; gap: 20px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--font-display); font-size: .78rem; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.field input, .field select, .field textarea {
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); font-family: var(--font-body); font-size: .96rem;
  padding: 13px 16px; outline: none; resize: vertical;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124,108,255,.14);
}
.field input::placeholder, .field textarea::placeholder { color: #454d66; }
.form-note { color: var(--muted); font-size: .8rem; text-align: center; }
.hp-field { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* ===== footer ===== */
.footer { position: relative; z-index: 2; border-top: 1px solid var(--line-soft); background: var(--bg-dim); padding: 70px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.footer-brand p { color: var(--muted); font-size: .9rem; margin-top: 12px; }
.footer-addr { font-size: .84rem !important; line-height: 1.7; letter-spacing: .02em; }
.footer-cols { display: flex; gap: 30px; flex-wrap: wrap; }
.footer-cols a { color: var(--muted); text-decoration: none; font-size: .9rem; transition: color .2s; }
.footer-cols a:hover { color: var(--text); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-top: 54px; padding-top: 26px; border-top: 1px solid var(--line-soft);
  color: var(--muted); font-size: .82rem;
}
.status { display: flex; align-items: center; gap: 8px; color: var(--green); }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { opacity: .45; } }

/* ===== reveal animation ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ===== responsive ===== */
@media (max-width: 960px) {
  .engage-grid, .voice-grid { grid-template-columns: 1fr; }
  .process-grid, .numbers-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 50px; }
}
@media (max-width: 680px) {
  .nav-menu {
    display: none; position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 20px;
    background: rgba(5,6,10,.97); border-bottom: 1px solid var(--line-soft);
    padding: 26px 28px 34px;
  }
  .nav-menu.open { display: flex; }
  .burger { display: flex; }
  .practice-item { grid-template-columns: 1fr; gap: 12px; }
  .process-grid, .numbers-grid { grid-template-columns: 1fr; }
  .section { padding: 90px 0; }
  .contact-form { padding: 28px 22px; }
  .hero-meta { gap: 12px; }
}