/* ===== AI VoiceConnect — Design System ===== */
:root{
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1:.25rem; --space-2:.5rem; --space-3:.75rem; --space-4:1rem;
  --space-5:1.25rem; --space-6:1.5rem; --space-8:2rem; --space-10:2.5rem;
  --space-12:3rem; --space-16:4rem; --space-20:5rem; --space-24:6rem; --space-32:8rem;

  --radius-sm:.5rem; --radius-md:.75rem; --radius-lg:1rem; --radius-xl:1.5rem; --radius-full:9999px;
  --content-wide:1200px; --content-default:980px; --content-narrow:680px;
  --transition:200ms cubic-bezier(.16,1,.3,1);

  --font-display:'Space Grotesk','Helvetica Neue',sans-serif;
  --font-body:'Inter','Helvetica Neue',sans-serif;
}

/* Dark brand palette (matches product graphic) */
:root,[data-theme="dark"]{
  --color-bg:#070b16;
  --color-surface:#0c1322;
  --color-surface-2:#111a2e;
  --color-surface-3:#16203a;
  --color-border:#1d2c4d;
  --color-border-glow:#2b4a85;
  --color-text:#eaf1ff;
  --color-text-muted:#9fb0cf;
  --color-text-faint:#647399;
  --color-primary:#2f8bff;
  --color-primary-2:#19d3ff;
  --color-primary-hover:#54a3ff;
  --color-accent-green:#28e07e;
  --color-accent-amber:#ffb020;
  --color-strike:#7a8baa;
  --glow:0 0 40px rgba(47,139,255,.35);
  --shadow-card:0 18px 50px rgba(0,0,0,.45);
}
[data-theme="light"]{
  --color-bg:#f4f7fc;
  --color-surface:#ffffff;
  --color-surface-2:#eef3fb;
  --color-surface-3:#e4ecf8;
  --color-border:#d4e0f2;
  --color-border-glow:#9cc0ff;
  --color-text:#0c1626;
  --color-text-muted:#48587a;
  --color-text-faint:#8595b4;
  --color-primary:#1565e0;
  --color-primary-2:#0aa6d6;
  --color-primary-hover:#0d4fc0;
  --color-accent-green:#0fa861;
  --color-accent-amber:#c97a00;
  --color-strike:#9aa7bd;
  --glow:0 0 30px rgba(21,101,224,.2);
  --shadow-card:0 16px 40px rgba(20,50,110,.12);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth;scroll-padding-top:84px}
body{min-height:100dvh;line-height:1.65;font-family:var(--font-body);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);overflow-x:hidden}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{cursor:pointer;background:none;border:none;font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.1;text-wrap:balance;font-weight:600}
p{text-wrap:pretty}
ul{list-style:none}
::selection{background:rgba(47,139,255,.3)}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:var(--radius-sm)}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

.wrap{max-width:var(--content-wide);margin-inline:auto;padding-inline:var(--space-6)}
.section{padding-block:clamp(var(--space-16),9vw,var(--space-32))}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-size:var(--text-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--color-primary-2)}
.eyebrow::before{content:"";width:24px;height:1px;background:linear-gradient(90deg,transparent,var(--color-primary-2))}
.section-head{max-width:640px;margin-bottom:var(--space-12)}
.section-head h2{font-size:var(--text-2xl);margin:var(--space-3) 0}
.section-head p{color:var(--color-text-muted);font-size:var(--text-lg)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-display);font-weight:600;font-size:var(--text-sm);padding:.85rem 1.6rem;border-radius:var(--radius-full);transition:var(--transition);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-2));color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 50px rgba(47,139,255,.55)}
.btn-ghost{border:1px solid var(--color-border-glow);color:var(--color-text)}
.btn-ghost:hover{background:var(--color-surface-2);border-color:var(--color-primary)}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:color-mix(in oklab,var(--color-bg) 80%,transparent);border-bottom:1px solid transparent;transition:border-color var(--transition),background var(--transition)}
.header.scrolled{border-color:var(--color-border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:-.01em}
.brand .mark{color:var(--color-primary-2)}
.nav-links{display:flex;align-items:center;gap:var(--space-6)}
.nav-links a{font-size:var(--text-sm);color:var(--color-text-muted);transition:color var(--transition)}
.nav-links a:hover{color:var(--color-text)}
.nav-actions{display:flex;align-items:center;gap:var(--space-3)}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:var(--radius-full);border:1px solid var(--color-border);color:var(--color-text-muted);transition:var(--transition)}
.icon-btn:hover{color:var(--color-text);border-color:var(--color-primary)}
.menu-toggle{display:none}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding-block:clamp(var(--space-16),8vw,var(--space-32))}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(1100px 600px at 18% 30%,rgba(47,139,255,.18),transparent 60%),radial-gradient(800px 500px at 85% 70%,rgba(25,211,255,.10),transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--space-12);align-items:center;position:relative;z-index:1}
.hero h1{font-size:var(--text-3xl);font-weight:700;letter-spacing:-.02em}
.hero h1 .grad{background:linear-gradient(120deg,var(--color-primary-2),var(--color-primary));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{color:var(--color-text-muted);font-size:var(--text-lg);margin:var(--space-5) 0 var(--space-8);max-width:54ch}
.hero-cta{display:flex;gap:var(--space-3);flex-wrap:wrap}
.hero-meta{display:flex;gap:var(--space-6);margin-top:var(--space-10);flex-wrap:wrap}
.hero-meta .item{display:flex;flex-direction:column}
.hero-meta .num{font-family:var(--font-display);font-weight:700;font-size:var(--text-xl);color:var(--color-text)}
.hero-meta .lbl{font-size:var(--text-xs);color:var(--color-text-faint);text-transform:uppercase;letter-spacing:.1em}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--radius-xl);border:1px solid var(--color-border-glow);box-shadow:var(--shadow-card)}
.badge-pill{display:inline-flex;align-items:center;gap:.5rem;background:rgba(40,224,126,.12);border:1px solid rgba(40,224,126,.4);color:var(--color-accent-green);font-family:var(--font-display);font-weight:600;font-size:var(--text-xs);padding:.4rem .9rem;border-radius:var(--radius-full);margin-bottom:var(--space-5)}
.badge-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--color-accent-green);box-shadow:0 0 8px var(--color-accent-green)}

/* Trust strip */
.trust{border-block:1px solid var(--color-border);background:var(--color-surface)}
.trust .wrap{display:flex;align-items:center;justify-content:center;gap:var(--space-8);flex-wrap:wrap;padding-block:var(--space-6)}
.trust .t{display:flex;align-items:center;gap:.55rem;color:var(--color-text-muted);font-size:var(--text-sm)}
.trust .t svg{color:var(--color-primary-2);flex-shrink:0}

/* ===== Cards / Features ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-6)}
.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);transition:var(--transition);position:relative;overflow:hidden}
.card:hover{border-color:var(--color-border-glow);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.card .ico{width:48px;height:48px;border-radius:var(--radius-md);display:grid;place-items:center;background:linear-gradient(135deg,rgba(47,139,255,.18),rgba(25,211,255,.1));border:1px solid var(--color-border-glow);color:var(--color-primary-2);margin-bottom:var(--space-5)}
.card h3{font-size:var(--text-lg);margin-bottom:var(--space-2)}
.card p{color:var(--color-text-muted);font-size:var(--text-sm)}

/* ===== How it works ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-6);counter-reset:step}
.step{position:relative;padding-top:var(--space-8)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-display);font-weight:700;font-size:var(--text-xl);color:var(--color-primary);opacity:.5;position:absolute;top:0;left:0}
.step h3{font-size:var(--text-base);margin:var(--space-2) 0}
.step p{color:var(--color-text-muted);font-size:var(--text-sm)}
.step .bar{height:2px;background:linear-gradient(90deg,var(--color-primary),transparent);margin-top:var(--space-4)}

/* ===== Pricing ===== */
.promo-banner{display:flex;align-items:center;justify-content:center;gap:.6rem;background:linear-gradient(90deg,rgba(255,176,32,.14),rgba(255,176,32,.06));border:1px solid rgba(255,176,32,.5);color:var(--color-accent-amber);font-family:var(--font-display);font-weight:600;font-size:var(--text-sm);padding:.7rem 1.2rem;border-radius:var(--radius-full);max-width:max-content;margin:0 auto var(--space-12)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-6);align-items:stretch}
.plan{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-8);display:flex;flex-direction:column;position:relative;transition:var(--transition)}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.plan.popular{border-color:var(--color-primary);box-shadow:0 0 0 1px var(--color-primary),0 18px 50px rgba(47,139,255,.2)}
.plan-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--color-primary),var(--color-primary-2));color:#fff;font-family:var(--font-display);font-weight:600;font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;padding:.35rem 1rem;border-radius:var(--radius-full);white-space:nowrap}
.plan-name{display:flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:600;font-size:var(--text-lg)}
.plan-price{display:flex;align-items:baseline;gap:.3rem;margin:var(--space-4) 0 var(--space-2)}
.plan-price .amt{font-family:var(--font-display);font-weight:700;font-size:var(--text-2xl);letter-spacing:-.02em}
.plan-price .per{color:var(--color-text-faint);font-size:var(--text-sm)}
.setup-row{display:flex;align-items:center;gap:.5rem;margin-bottom:var(--space-6);font-size:var(--text-sm);flex-wrap:wrap}
.setup-row .strike{color:var(--color-strike);text-decoration:line-through}
.setup-row .now{color:var(--color-accent-green);font-family:var(--font-display);font-weight:700;font-size:var(--text-lg)}
.setup-row .tag{font-size:var(--text-xs);color:var(--color-accent-amber);background:rgba(255,176,32,.12);padding:.15rem .5rem;border-radius:var(--radius-full)}
.plan ul{display:flex;flex-direction:column;gap:var(--space-3);margin-bottom:var(--space-8);flex-grow:1}
.plan li{display:flex;align-items:flex-start;gap:.6rem;font-size:var(--text-sm);color:var(--color-text-muted)}
.plan li svg{color:var(--color-primary-2);flex-shrink:0;margin-top:3px}
.plan .overage{font-size:var(--text-xs);color:var(--color-text-faint);text-align:center;margin-top:var(--space-4)}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin-inline:auto}
.faq{border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:var(--space-3);background:var(--color-surface);overflow:hidden;transition:border-color var(--transition)}
.faq[open]{border-color:var(--color-border-glow)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-5) var(--space-6);cursor:pointer;font-family:var(--font-display);font-weight:600;font-size:var(--text-base);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{flex-shrink:0;transition:transform var(--transition);color:var(--color-primary-2)}
.faq[open] summary .chev{transform:rotate(45deg)}
.faq .ans{padding:0 var(--space-6) var(--space-5);color:var(--color-text-muted);font-size:var(--text-sm)}
.faq .ans strong{color:var(--color-text)}

/* ===== Team ===== */
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-8)}
.member{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden;transition:var(--transition)}
.member:hover{border-color:var(--color-border-glow);box-shadow:var(--shadow-card)}
.member .head{display:flex;gap:var(--space-5);padding:var(--space-8);align-items:center;border-bottom:1px solid var(--color-border)}
.member .avatar{width:88px;height:88px;border-radius:var(--radius-lg);flex-shrink:0;object-fit:cover;border:1px solid var(--color-border-glow)}
.member .head h3{font-size:var(--text-lg)}
.member .role{font-family:var(--font-display);font-weight:600;font-size:var(--text-sm);color:var(--color-primary-2);margin-top:2px}
.member .loc{font-size:var(--text-xs);color:var(--color-text-faint);margin-top:4px;display:flex;align-items:center;gap:.35rem}
.member .body{padding:var(--space-8)}
.member .body p{color:var(--color-text-muted);font-size:var(--text-sm);margin-bottom:var(--space-5)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{font-size:var(--text-xs);font-family:var(--font-display);font-weight:500;color:var(--color-text-muted);background:var(--color-surface-2);border:1px solid var(--color-border);padding:.3rem .7rem;border-radius:var(--radius-full)}

/* ===== CTA / Contact ===== */
.cta{position:relative;overflow:hidden;border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--color-surface-2),var(--color-surface));border:1px solid var(--color-border-glow);padding:clamp(var(--space-10),5vw,var(--space-24));text-align:center}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0%,rgba(47,139,255,.18),transparent 65%);pointer-events:none}
.cta h2{font-size:var(--text-2xl);position:relative}
.cta p{color:var(--color-text-muted);font-size:var(--text-lg);max-width:46ch;margin:var(--space-4) auto var(--space-8);position:relative}
.cta-actions{display:flex;gap:var(--space-3);justify-content:center;flex-wrap:wrap;position:relative}
.contact-row{display:flex;gap:var(--space-6);justify-content:center;flex-wrap:wrap;margin-top:var(--space-8);position:relative}
.contact-row a{display:inline-flex;align-items:center;gap:.5rem;color:var(--color-text-muted);font-size:var(--text-sm);transition:color var(--transition)}
.contact-row a:hover{color:var(--color-primary-2)}

/* ===== Footer ===== */
.footer{border-top:1px solid var(--color-border);padding-block:var(--space-12);margin-top:var(--space-16)}
.footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:var(--space-6);flex-wrap:wrap}
.footer .legal{font-size:var(--text-xs);color:var(--color-text-faint)}
.footer-nav{display:flex;gap:var(--space-5);flex-wrap:wrap}
.footer-nav a{font-size:var(--text-sm);color:var(--color-text-muted)}
.footer-nav a:hover{color:var(--color-text)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:var(--space-10)}
  .hero-visual{order:-1}
  .feature-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .price-grid{grid-template-columns:1fr;max-width:440px;margin-inline:auto}
  .plan.popular{order:-1}
  .team-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:var(--space-6);gap:var(--space-4)}
  .menu-toggle{display:grid}
  .feature-grid,.steps{grid-template-columns:1fr}
  .member .head{flex-direction:column;text-align:center;align-items:center}
  .hero-meta{gap:var(--space-5)}
}