/* Voice Tune — shared site styles */
:root {
  --bg: #0a0a0b;
  --bg-2: #111214;
  --bg-3: #1a1c1f;
  --card: #16181b;
  --border: #26292e;
  --text: #f4f5f7;
  --muted: #a3a9b3;
  --green: #2fd158;
  --green-dark: #23aa46;
  --green-glow: rgba(47, 209, 88, 0.35);
  --pink: #ff4d78;
  --purple: #8b5cf6;
  --blue: #4a8df8;
  --amber: #f5a623;
  --radius: 16px;
  --maxw: 1120px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 11, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.05rem; color: var(--text); letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand .tune { color: var(--green); }
.nav-links { display: flex; gap: 26px; align-items: center; list-style: none; }
.nav-links a { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  background: var(--green); color: #04130a !important; font-weight: 700;
  padding: 9px 18px; border-radius: 999px; font-size: 0.9rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 24px var(--green-glow); text-decoration: none; }
@media (max-width: 720px) { .nav-links li:not(.nav-cta-li) { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; border-radius: 999px; padding: 15px 30px;
  font-size: 1.02rem; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--green); color: #04130a; box-shadow: 0 8px 32px var(--green-glow); }
.btn-primary:hover { box-shadow: 0 12px 44px var(--green-glow); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: var(--bg-2); }
.btn svg { flex-shrink: 0; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 60px; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto;
  height: 720px;
  background: radial-gradient(560px 380px at 22% 30%, rgba(47,209,88,.16), transparent 65%),
              radial-gradient(520px 360px at 80% 12%, rgba(139,92,246,.12), transparent 65%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
@media (max-width: 880px) { .hero .container { grid-template-columns: 1fr; } .hero-media { order: -1; } }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border); background: var(--bg-2);
  border-radius: 999px; padding: 6px 14px; font-size: 0.82rem; color: var(--muted); font-weight: 600;
  margin-bottom: 22px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.08; letter-spacing: -0.03em; font-weight: 800;
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--green); }
.hero-sub { color: var(--muted); font-size: 1.14rem; max-width: 34rem; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-bottom: 26px; }
.hero-proof { display: flex; gap: 24px; flex-wrap: wrap; color: var(--muted); font-size: 0.9rem; }
.hero-proof strong { color: var(--text); font-size: 1.05rem; display: block; }
.hero-proof .stars { color: var(--amber); letter-spacing: 2px; }
.hero-media { position: relative; display: flex; justify-content: center; }
.hero-media img {
  width: min(320px, 78vw); border-radius: 28px;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.03), 0 0 90px rgba(47,209,88,.12);
}

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 46rem; margin: 0 auto 48px; text-align: center; }
.kicker { color: var(--green); font-weight: 700; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ---------- Screenshots ---------- */
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 980px) { .shots { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .shots { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; } }
.shot { text-align: center; }
.shot img {
  border-radius: 22px; border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0,0,0,.5);
  transition: transform .25s ease;
}
.shot:hover img { transform: translateY(-6px) scale(1.015); }
.shot figcaption { margin-top: 14px; color: var(--muted); font-size: .92rem; font-weight: 600; }

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px; position: relative;
}
.step .num {
  width: 38px; height: 38px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: rgba(47,209,88,.12); color: var(--green); font-weight: 800; font-size: 1.05rem; margin-bottom: 16px;
}
.step h3 { font-size: 1.08rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.step p { color: var(--muted); font-size: .93rem; }

/* ---------- Feature chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 36px; }
.chip {
  padding: 9px 18px; border-radius: 999px; font-weight: 700; font-size: .9rem; color: #fff;
}
.chip-1 { background: var(--purple); } .chip-2 { background: var(--pink); }
.chip-3 { background: var(--blue); } .chip-4 { background: #14b8a6; }
.chip-5 { background: #e07856; } .chip-6 { background: var(--amber); color: #201400; }

/* ---------- Guides ---------- */
.guides-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .guides-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .guides-grid { grid-template-columns: 1fr; } }
.guide-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; display: flex; flex-direction: column; gap: 10px; color: var(--text);
  transition: border-color .2s ease, transform .2s ease;
}
.guide-card:hover { border-color: var(--green); transform: translateY(-3px); text-decoration: none; }
.guide-card .tag { color: var(--green); font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.guide-card h3 { font-size: 1.06rem; line-height: 1.35; letter-spacing: -0.01em; }
.guide-card p { color: var(--muted); font-size: .9rem; flex: 1; }
.guide-card .more { color: var(--green); font-weight: 700; font-size: .9rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 14px;
}
.faq details[open] { border-color: rgba(47,209,88,.45); }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.02rem; list-style: none; position: relative; padding-right: 34px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  color: var(--green); font-size: 1.4rem; font-weight: 400;
}
.faq details[open] summary::after { content: "–"; }
.faq .answer { margin-top: 12px; color: var(--muted); font-size: .96rem; }
.faq .answer a { font-weight: 700; }

/* ---------- Big CTA ---------- */
.cta-band {
  position: relative; text-align: center; padding: 90px 0; overflow: hidden;
  background: linear-gradient(180deg, var(--bg) 0%, #0c1810 55%, var(--bg) 100%);
  border-top: 1px solid var(--border);
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(640px 320px at 50% 60%, rgba(47,209,88,.18), transparent 70%);
  pointer-events: none;
}
.cta-band .container { position: relative; }
.cta-band img.icon { width: 88px; height: 88px; border-radius: 22px; margin: 0 auto 26px; box-shadow: 0 16px 48px rgba(0,0,0,.6); }
.cta-band h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); letter-spacing: -0.02em; margin-bottom: 14px; }
.cta-band p { color: var(--muted); font-size: 1.08rem; max-width: 32rem; margin: 0 auto 32px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 52px 0 40px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 14px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--text); font-size: .92rem; opacity: .85; }
.footer-grid a:hover { opacity: 1; }
.footer-about p { color: var(--muted); font-size: .9rem; margin-top: 12px; max-width: 22rem; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .85rem; }

/* ---------- Guide article pages ---------- */
.article { max-width: 760px; margin: 0 auto; padding: 56px 24px 40px; }
.breadcrumbs { font-size: .85rem; color: var(--muted); margin-bottom: 26px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--green); }
.article h1 { font-size: clamp(1.9rem, 4.4vw, 2.7rem); line-height: 1.14; letter-spacing: -0.025em; margin-bottom: 18px; }
.article .lede { font-size: 1.12rem; color: var(--muted); margin-bottom: 34px; }
.article h2 { font-size: 1.5rem; letter-spacing: -0.015em; margin: 44px 0 14px; }
.article h3 { font-size: 1.15rem; margin: 30px 0 10px; }
.article p { margin-bottom: 16px; color: #d4d7dc; }
.article ul, .article ol { margin: 0 0 18px 22px; color: #d4d7dc; }
.article li { margin-bottom: 10px; }
.article strong { color: var(--text); }
.article img.inline-shot {
  width: min(300px, 100%); margin: 28px auto; border-radius: 20px;
  border: 1px solid var(--border); box-shadow: 0 18px 50px rgba(0,0,0,.5);
}
.tip {
  background: rgba(47,209,88,.08); border: 1px solid rgba(47,209,88,.3);
  border-radius: var(--radius); padding: 18px 22px; margin: 24px 0; font-size: .95rem;
}
.tip strong { color: var(--green); }
.article-cta {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; text-align: center; margin: 48px 0 12px;
}
.article-cta img { width: 64px; height: 64px; border-radius: 16px; margin: 0 auto 16px; }
.article-cta h2 { margin: 0 0 10px; font-size: 1.4rem; }
.article-cta p { color: var(--muted); margin-bottom: 22px; }
.related { margin-top: 44px; border-top: 1px solid var(--border); padding-top: 30px; }
.related h2 { margin-top: 0; }
.related ul { list-style: none; margin-left: 0; }
.related li { margin-bottom: 12px; }