/* Helix Apps LLC — shared styles */
:root {
  --navy: #0b1020;
  --navy-2: #111832;
  --ink: #16213e;
  --text: #2a3352;
  --muted: #5b6480;
  --teal: #2dd4bf;
  --violet: #8b5cf6;
  --grad: linear-gradient(90deg, #2dd4bf, #8b5cf6);
  --bg: #f7f8fc;
  --card: #ffffff;
  --border: #e5e8f2;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(11, 16, 32, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; }
a { color: var(--violet); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.12rem; color: #fff; letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--grad);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 1rem;
}
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; }
.nav-links a { color: #c6cbe0; font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: #fff; text-decoration: none; }
.nav-links a.active { color: #fff; font-weight: 700; }
.nav-cta {
  background: var(--grad); color: #fff !important; font-weight: 700;
  padding: 9px 18px; border-radius: 999px;
}
.nav-cta:hover { opacity: 0.92; text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; }

@media (max-width: 840px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--navy); flex-direction: column; padding: 18px 24px 24px; gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-links.open { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(1100px 500px at 75% -10%, rgba(139, 92, 246, 0.35), transparent 60%),
              radial-gradient(900px 480px at 15% 110%, rgba(45, 212, 191, 0.22), transparent 60%),
              var(--navy);
  color: #fff;
  padding: 92px 0 84px;
}
.hero.compact { padding: 64px 0 56px; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(45, 212, 191, 0.35);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.35rem);
  line-height: 1.12; letter-spacing: -0.03em; font-weight: 800;
  max-width: 800px;
}
.hero h1 .grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede {
  margin-top: 22px; font-size: 1.16rem; color: #b9c0d8; max-width: 640px;
}
.hero-ctas { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block; font-weight: 700; font-size: 1rem;
  padding: 14px 28px; border-radius: 999px; transition: all 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 22px rgba(139, 92, 246, 0.35); }
.btn-ghost { border: 1px solid rgba(255,255,255,0.35); color: #fff; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 0.92rem; }

/* Credibility bar */
.cred-bar { border-top: 1px solid rgba(255,255,255,0.1); background: var(--navy-2); padding: 20px 0; }
.cred-inner {
  display: flex; align-items: center; justify-content: center; gap: 12px 34px; flex-wrap: wrap;
  color: #8791ad; font-size: 0.9rem;
}
.cred-inner .lbl { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; font-weight: 700; }
.cred-inner .co { color: #dfe3f0; font-weight: 700; font-size: 1.02rem; letter-spacing: 0.01em; }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section.tight { padding: 64px 0; }
.section.alt { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section.dark { background: var(--navy); color: #fff; }
.kicker {
  font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--violet); margin-bottom: 12px;
}
.section.dark .kicker { color: var(--teal); }
.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -0.02em; line-height: 1.18;
  color: var(--ink); font-weight: 800; max-width: 720px;
}
.section.dark h2 { color: #fff; }
.section .sub { margin-top: 14px; color: var(--muted); max-width: 640px; font-size: 1.06rem; }
.section.dark .sub { color: #b9c0d8; }

.grid { display: grid; gap: 22px; margin-top: 44px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow);
}
.card h3 { color: var(--ink); font-size: 1.14rem; letter-spacing: -0.01em; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.97rem; }
.card .icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; color: #fff; margin-bottom: 18px;
}
.card.featured { border: 2px solid transparent; background:
  linear-gradient(#fff, #fff) padding-box, var(--grad) border-box; }

.price { font-size: 2.1rem; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.price small { font-size: 0.95rem; font-weight: 600; color: var(--muted); }

ul.checks { list-style: none; margin-top: 16px; }
ul.checks li {
  padding-left: 30px; position: relative; margin-bottom: 11px; color: var(--text); font-size: 0.97rem;
}
ul.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(45, 212, 191, 0.15); color: #0d9488;
  font-size: 0.72rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}

/* Numbered steps */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 64px; margin-top: 34px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { color: var(--ink); font-size: 1.12rem; margin-bottom: 6px; }
.step p { color: var(--muted); max-width: 620px; }

/* Split layout */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-top: 44px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 34px; } }

/* Chat mock (AI answer illustration) */
.chat-mock {
  background: var(--navy-2); border: 1px solid rgba(255,255,255,0.1); border-radius: 18px;
  padding: 26px; color: #dfe3f0; font-size: 0.94rem; box-shadow: 0 18px 50px rgba(11,16,32,0.45);
}
.chat-mock .q { color: #9aa3c0; margin-bottom: 16px; }
.chat-mock .q strong { color: #fff; }
.chat-mock .a { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 16px 18px; }
.chat-mock .a .cite { color: var(--teal); font-weight: 700; }
.chat-mock .miss { color: #f87171; font-weight: 700; }
.chat-mock .src { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.chat-mock .src span {
  font-size: 0.74rem; background: rgba(139,92,246,0.18); color: #c4b5fd;
  padding: 4px 11px; border-radius: 999px;
}

/* Phone mock (iOS section) */
.phone {
  width: 250px; margin: 0 auto;
  background: #0d1226; border: 1px solid rgba(255,255,255,0.14); border-radius: 36px;
  padding: 14px; box-shadow: 0 24px 60px rgba(11,16,32,0.5);
}
.phone .screen {
  background: linear-gradient(160deg, #141b38, #0b1020); border-radius: 26px;
  padding: 22px 16px; min-height: 380px; color: #dfe3f0;
}
.phone .app-title { font-weight: 800; font-size: 1.05rem; color: #fff; margin-bottom: 14px; }
.phone .bubble {
  background: rgba(255,255,255,0.07); border-radius: 12px; padding: 10px 12px;
  font-size: 0.8rem; margin-bottom: 10px; color: #c6cbe0;
}
.phone .bubble .who { color: var(--teal); font-weight: 700; font-size: 0.72rem; display: block; margin-bottom: 3px; }

/* Stat band */
.stat-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
@media (max-width: 720px) { .stat-band { grid-template-columns: 1fr; } }
.stat {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 26px;
}
.stat .n { font-size: 2rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat p { color: #b9c0d8; font-size: 0.92rem; margin-top: 6px; }

/* CTA band */
.cta-band {
  background: radial-gradient(800px 300px at 50% -40%, rgba(139,92,246,0.4), transparent 65%), var(--navy);
  color: #fff; text-align: center; padding: 84px 0;
}
.cta-band h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; }
.cta-band p { color: #b9c0d8; margin: 16px auto 32px; max-width: 560px; }

/* Bio */
.bio-card { display: grid; grid-template-columns: 220px 1fr; gap: 44px; align-items: start; margin-top: 44px; }
@media (max-width: 760px) { .bio-card { grid-template-columns: 1fr; } }
.avatar {
  width: 200px; height: 200px; border-radius: 24px; background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 3.4rem; font-weight: 800;
}
.timeline { margin-top: 34px; border-left: 2px solid var(--border); padding-left: 28px; }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -35px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--grad);
}
.tl-item .co { font-weight: 800; color: var(--ink); }
.tl-item .role { color: var(--violet); font-weight: 600; font-size: 0.92rem; }
.tl-item p { color: var(--muted); font-size: 0.94rem; margin-top: 4px; max-width: 640px; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 0.9rem; color: var(--ink); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 0.98rem; color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(139,92,246,0.4); border-color: var(--violet);
}

/* FAQ */
.faq { margin-top: 44px; max-width: 780px; }
.faq details {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 20px 24px; margin-bottom: 12px;
}
.faq summary { font-weight: 700; color: var(--ink); cursor: pointer; }
.faq details p { margin-top: 12px; color: var(--muted); }

/* Legal pages */
.legal { max-width: 780px; }
.legal h1 { font-size: 2rem; color: var(--ink); letter-spacing: -0.02em; }
.legal .updated { color: var(--muted); font-size: 0.9rem; margin: 8px 0 30px; }
.legal h2 { font-size: 1.2rem; color: var(--ink); margin: 30px 0 10px; }
.legal p { color: var(--text); margin-bottom: 14px; }

/* Footer */
.footer { background: var(--navy); color: #8791ad; padding: 56px 0 34px; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
.footer h4 { color: #fff; font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 14px; }
.footer a { color: #b9c0d8; display: block; margin-bottom: 9px; }
.footer a:hover { color: #fff; text-decoration: none; }
.footer .brand { margin-bottom: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); margin-top: 44px; padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.84rem;
}
.badge-inline {
  display: inline-block; background: rgba(45,212,191,0.12); color: #0d9488;
  font-size: 0.78rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; margin-bottom: 14px;
}