/* Simple Voice Chat — S02 Modern Dashboard (light variation) */
:root{--bg:#f8fafc;--panel:#fff;--panel-2:#f1f5f9;--ink:#0f172a;--muted:#5f6f85;--line:#dce5f0;--primary:#4f46e5;--primary-2:#6366f1;--sky:#0ea5e9;--teal:#14b8a6;--green:#16a34a;--amber:#d97706;--red:#dc2626;--shadow:0 18px 45px rgba(15,23,42,.08);--radius:22px;--header-h:76px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:'Poppins','Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block;height:auto;image-rendering:auto;-ms-interpolation-mode:bicubic}a{color:inherit}button,input,textarea,select{font:inherit;font-family:'Poppins','Segoe UI',Arial,sans-serif}.container{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:92px 0}.section-sm{padding:66px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--primary);margin-bottom:10px}.eyebrow::before{content:'';width:22px;height:2px;background:currentColor;border-radius:3px}h1,h2,h3{line-height:1.15;margin:0 0 16px;letter-spacing:-.025em}h1{font-size:clamp(2.65rem,6vw,5.4rem)}h2{font-size:clamp(2rem,4vw,3.5rem)}h3{font-size:1.25rem}p{margin:0 0 18px;color:var(--muted)}.lead{font-size:1.08rem;max-width:720px}.muted{color:var(--muted)}.center{text-align:center}.center .lead{margin-inline:auto}.section-head{max-width:760px;margin-bottom:34px}.section-head.center{margin-inline:auto;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 20px;border-radius:14px;text-decoration:none;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.2s transform,.2s box-shadow,.2s background}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(79,70,229,.18)}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}.btn-small{min-height:42px;padding:9px 15px}.button-row{display:flex;flex-wrap:wrap;gap:12px}.badge-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.badge{font-size:.82rem;font-weight:700;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#42526a}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.soft-panel{background:linear-gradient(145deg,#fff,#f3f6ff);border:1px solid var(--line);border-radius:var(--radius)}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(248,250,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.2s}.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(15,23,42,.06)}.header-inner{height:var(--header-h);display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:850;white-space:nowrap}.brand img{width:42px;height:42px}.site-nav{margin-left:auto;display:flex;align-items:center;gap:6px}.site-nav a{padding:9px 10px;text-decoration:none;font-size:.9rem;font-weight:700;color:#344155;border-radius:10px}.site-nav a:hover,.site-nav a.active{background:#eef2ff;color:var(--primary)}.nav-download{margin-left:6px!important;background:var(--primary)!important;color:#fff!important;padding:10px 15px!important}.menu-toggle{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;justify-content:center;cursor:pointer}.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{content:'';display:block;width:20px;height:2px;background:var(--ink);position:relative;border-radius:2px}.menu-toggle span::before{position:absolute;top:-6px}.menu-toggle span::after{position:absolute;top:6px}
.hero{padding:68px 0 78px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}.hero-copy h1{font-size:clamp(2.3rem,4.7vw,4.25rem)}.hero-copy .lead{font-size:1.12rem}.hero-copy h1 span{color:var(--primary)}.hero-visual{position:relative}.hero-visual img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;object-position:center;border:1px solid var(--line);border-radius:28px;box-shadow:0 30px 70px rgba(15,23,42,.12);background:#fff}.float-chip{position:absolute;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px 13px;font-size:.8rem;font-weight:800}.chip-a{left:-20px;top:18%}.chip-b{right:-16px;bottom:12%}.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px}.metric b{display:block;font-size:.95rem}.metric span{font-size:.76rem;color:var(--muted)}
.about-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}.about-copy{padding:38px}.about-image{padding:14px}.about-image{display:flex;align-items:center;justify-content:center}.about-image img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;object-position:center;border-radius:18px;background:#fff}.fact-stack{display:grid;gap:12px;margin-top:24px}.fact{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;padding:13px;border:1px solid var(--line);border-radius:14px;background:#fff}.fact-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#eef2ff;color:var(--primary);font-weight:900}.fact p{margin:3px 0 0;font-size:.9rem}
.feature-dashboard{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.feature-widget{padding:20px;min-height:205px;position:relative;overflow:hidden}.feature-widget::after{content:'';position:absolute;width:84px;height:84px;border-radius:50%;right:-26px;top:-24px;background:#eef2ff}.widget-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:#eef2ff;color:var(--primary);font-weight:900;margin-bottom:28px}.feature-widget p{font-size:.92rem;margin:0}.feature-widget:nth-child(2n) .widget-icon{background:#ecfeff;color:#0284c7}.feature-widget:nth-child(3n) .widget-icon{background:#ecfdf5;color:#0f766e}
.flow-board{display:grid;grid-template-columns:repeat(4,1fr);gap:0;overflow:hidden}.flow-step{padding:28px;position:relative;border-right:1px solid var(--line)}.flow-step:last-child{border-right:0}.step-no{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:900;margin-bottom:40px}.flow-step:not(:last-child)::after{content:'→';position:absolute;right:-12px;top:35px;width:24px;height:24px;background:#fff;color:var(--primary);display:grid;place-items:center;font-weight:900;z-index:2}.flow-step p{font-size:.92rem;margin:0}
.compat-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px}.compat-side{padding:34px}.compat-table{overflow:hidden}.compat-row{display:grid;grid-template-columns:1fr 1.5fr;gap:20px;padding:17px 22px;border-bottom:1px solid var(--line)}.compat-row:last-child{border-bottom:0}.compat-row strong{font-size:.92rem}.compat-row span{color:var(--muted);font-size:.92rem}.status-pill{display:inline-flex;padding:4px 9px;border-radius:999px;background:#ecfdf5;color:#0f766e;font-weight:800;font-size:.74rem}.warning-pill{background:#fff7ed;color:#9a3412}
.usecase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.usecase{padding:26px}.usecase .tag{font-size:.75rem;font-weight:800;color:var(--primary);margin-bottom:28px;display:block}.usecase p{margin-bottom:0}.setup-board{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}.setup-list{padding:30px}.checklist{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:14px}.checklist li{display:grid;grid-template-columns:30px 1fr;gap:10px}.check{width:28px;height:28px;border-radius:9px;background:#ecfdf5;color:#0f766e;display:grid;place-items:center;font-weight:900}.setup-note{padding:30px;background:linear-gradient(145deg,#eef2ff,#fff)}
.download-wrap{padding:22px;background:linear-gradient(140deg,#eef2ff,#f0fdfa)}.download-grid{display:grid;grid-template-columns:1fr .82fr;gap:24px}.download-card{padding:38px;background:#fff}.release-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:22px 0}.release-meta div{padding:12px;border:1px solid var(--line);border-radius:13px;background:#f8fafc}.release-meta small{display:block;color:var(--muted)}.download-visual{display:flex;align-items:center;justify-content:center}.download-visual img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;object-position:center;border-radius:20px;background:#fff}.download-note{font-size:.82rem;color:#7c2d12;background:#fff7ed;border:1px solid #fed7aa;padding:10px 12px;border-radius:12px;margin-top:14px}
.safety-strip{display:grid;grid-template-columns:1.2fr repeat(3,.6fr);gap:14px}.safety-main,.safety-mini{padding:24px}.safety-main{background:#fff}.safety-mini strong{display:block;margin-bottom:5px}.safety-mini p{font-size:.84rem;margin:0}.proscons{display:grid;grid-template-columns:1fr 1fr;gap:18px}.pc-card{padding:28px}.pc-card ul{margin:18px 0 0;padding-left:20px;color:var(--muted)}.pc-card li{margin:8px 0}.pc-card.pros{border-top:4px solid var(--teal)}.pc-card.cons{border-top:4px solid #f59e0b}
.release-board{display:grid;grid-template-columns:.78fr 1.22fr;gap:20px}.release-summary{padding:30px}.version-badge{font-size:2.4rem;font-weight:900;color:var(--primary);line-height:1}.release-list{padding:0;overflow:hidden}.release-item{padding:21px 24px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:120px 1fr;gap:16px}.release-item:last-child{border-bottom:0}.release-item p{margin:0;font-size:.9rem}.trouble-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.trouble{padding:22px;display:grid;grid-template-columns:42px 1fr;gap:14px}.trouble span{width:42px;height:42px;border-radius:12px;background:#fff7ed;color:#9a3412;display:grid;place-items:center;font-weight:900}.trouble p{margin:5px 0 0;font-size:.9rem}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{overflow:hidden}.guide-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;object-position:center;background:#f8fafc}.guide-body{padding:22px}.guide-body a{text-decoration:none;color:var(--primary);font-weight:800}.guide-body p{font-size:.9rem}.faq-shell{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}.faq-tabs{padding:12px;position:sticky;top:96px}.faq-tab{display:block;width:100%;text-align:left;border:0;background:transparent;padding:14px;border-radius:12px;font-weight:800;color:var(--muted);cursor:pointer}.faq-tab.active{background:#eef2ff;color:var(--primary)}.faq-category{display:none}.faq-category.active{display:block}.faq-item{border:1px solid var(--line);background:#fff;border-radius:16px;margin-bottom:10px;overflow:hidden}.faq-q{width:100%;display:grid;grid-template-columns:1fr 32px;gap:12px;align-items:center;text-align:left;border:0;background:#fff;padding:18px 20px;font-weight:800;color:var(--ink);cursor:pointer}.faq-q span:last-child{width:30px;height:30px;border-radius:9px;background:#f1f5f9;display:grid;place-items:center;color:var(--primary)}.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}.faq-a>div{overflow:hidden}.faq-a p{padding:0 20px 18px;margin:0}.faq-item.open .faq-a{grid-template-rows:1fr}.faq-item.open .faq-q span:last-child{background:#eef2ff}.faq-heading{margin-bottom:16px}
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:60px}.footer-main{padding:54px 0 34px;display:grid;grid-template-columns:1.2fr .7fr .9fr;gap:38px}.footer-brand .brand{display:inline-flex;margin-bottom:16px}.footer-brand p{max-width:500px;font-size:.92rem}.footer-title{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:#334155;margin-bottom:12px}.footer-links{display:grid;gap:8px}.footer-links a{text-decoration:none;color:#475569;font-size:.9rem}.footer-links a:hover{color:var(--primary)}.footer-contact{font-size:.9rem;color:#475569}.footer-bottom{border-top:1px solid var(--line);padding:20px 0 26px;text-align:center}.copyright{margin:0;color:#475569;font-size:.88rem}.copyright a{text-decoration:none;font-weight:800}.disclaimer-line{margin:6px auto 0;color:#64748b;font-size:.82rem;max-width:900px}.scroll-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:500}.scroll-top.show{opacity:1;pointer-events:auto;transform:none}.reveal{opacity:0;transform:translateY(14px);transition:.45s ease}.reveal.visible{opacity:1;transform:none}
.page-hero{padding:68px 0 44px}.page-hero .panel{padding:42px;background:linear-gradient(135deg,#fff,#eef2ff)}.breadcrumbs{font-size:.82rem;color:var(--muted);margin-bottom:14px}.breadcrumbs a{text-decoration:none;color:var(--primary)}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.article{padding:34px}.article h2{font-size:2rem;margin-top:34px}.article h3{margin-top:24px}.article ul,.article ol{color:var(--muted);padding-left:22px}.article li{margin:8px 0}.article .feature{border-radius:18px;margin:0 0 28px;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;object-position:center;background:#f8fafc}.article-note{padding:16px 18px;border-left:4px solid var(--primary);background:#eef2ff;border-radius:0 12px 12px 0;margin:22px 0;color:#40516a}.sidebar{position:sticky;top:96px;display:grid;gap:16px}.side-card{padding:20px}.side-card h3{font-size:1rem}.side-links{display:grid;gap:9px}.side-links a{text-decoration:none;color:#475569;font-size:.88rem}.side-links a:hover{color:var(--primary)}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.blog-card{overflow:hidden}.blog-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;object-position:center;background:#f8fafc}.blog-card-body{padding:22px}.blog-card-body h2{font-size:1.28rem}.blog-card-body a{text-decoration:none}.blog-card-body p{font-size:.9rem}.blog-meta{font-size:.76rem;color:var(--primary);font-weight:800;margin-bottom:9px}.legal{padding:38px}.legal h2{font-size:1.65rem;margin-top:30px}.legal ul{color:var(--muted)}.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-card{padding:28px}.contact-card strong{display:block;margin-bottom:7px}.contact-card p{margin:0}.plain-email{font-weight:800;color:var(--ink)}
@media(max-width:980px){.site-nav{position:absolute;left:20px;right:20px;top:70px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;display:none;flex-direction:column;align-items:stretch}.site-nav.open{display:flex}.site-nav a{padding:12px}.nav-download{margin:4px 0 0!important}.menu-toggle{display:flex}.hero-grid,.about-grid,.setup-board,.download-grid,.release-board,.content-grid{grid-template-columns:1fr}.hero-visual{order:-1}.hero-visual img{max-height:none;object-fit:contain}.feature-dashboard{grid-template-columns:repeat(2,1fr)}.flow-board{grid-template-columns:repeat(2,1fr)}.flow-step{border-bottom:1px solid var(--line)}.flow-step:nth-child(2){border-right:0}.compat-layout{grid-template-columns:1fr}.safety-strip{grid-template-columns:1fr 1fr}.safety-main{grid-column:1/-1}.guide-grid,.blog-grid{grid-template-columns:repeat(2,1fr)}.faq-shell{grid-template-columns:1fr}.faq-tabs{position:static;display:flex;gap:8px;overflow:auto}.faq-tab{white-space:nowrap}.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.sidebar{position:static}}
@media(max-width:680px){.container{width:min(100% - 24px,1180px)}.section{padding:66px 0}.hero{padding:36px 0 52px}.hero-grid{gap:26px}.hero-copy{text-align:center}.hero-copy h1{font-size:clamp(2rem,9vw,2.85rem)}.hero-copy .lead{margin-inline:auto}.button-row,.badge-row{justify-content:center}.hero-metrics{grid-template-columns:1fr}.float-chip{display:none}.about-copy{padding:25px}.feature-dashboard,.usecase-grid,.proscons,.trouble-grid,.guide-grid,.blog-grid,.contact-cards{grid-template-columns:1fr}.flow-board{grid-template-columns:1fr}.flow-step{border-right:0;border-bottom:1px solid var(--line)}.flow-step:not(:last-child)::after{display:none}.compat-row{grid-template-columns:1fr;gap:3px}.release-meta{grid-template-columns:1fr}.safety-strip{grid-template-columns:1fr}.safety-main{grid-column:auto}.release-item{grid-template-columns:1fr}.page-hero .panel,.article,.legal{padding:24px}.footer-main{grid-template-columns:1fr;gap:28px}.footer-brand{grid-column:auto}.brand span{font-size:.92rem}.site-header .brand img{width:38px;height:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.btn,.scroll-top{transition:none}}