/* ═══════ RESET & TOKENS ═══════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f4f0eb;--bg-warm:rgba(196,157,120,.08);
  --surface:#fff;--surface-warm:#faf6f1;
  --text:#1a1a1a;--text-muted:#6b7280;--text-soft:#9ca3af;
  --accent:#c07a50;--accent-dark:#a5623c;--accent-light:rgba(192,122,80,.1);
  --accent-gradient:linear-gradient(135deg,#c07a50,#e8603c);
  --border:rgba(0,0,0,.06);--border-accent:rgba(192,122,80,.2);
  --shadow:0 2px 20px rgba(0,0,0,.04);--shadow-lg:0 12px 40px rgba(0,0,0,.08);
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'JetBrains Mono',monospace;
  --nav-h:64px;
}
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--sans);color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{border:none;background:none;cursor:pointer;font:inherit}

/* ═══════ NAVBAR ═══════ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(244,240,235,.85);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);transition:box-shadow .3s}
.navbar.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.06)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:.95rem}
.nav-brand-logo{width:36px;height:36px;border-radius:10px;object-fit:contain}
.nav-links{display:flex;gap:32px}
.nav-link{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-muted);transition:color .2s}
.nav-link:hover{color:var(--accent)}
.nav-install{font-family:var(--mono);font-size:.75rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--text);display:flex;align-items:center;gap:4px;transition:color .2s}
.nav-install:hover{color:var(--accent)}
.nav-install .arrow{font-size:1rem}
.nav-hamburger{display:none;flex-direction:column;gap:5px;padding:4px}
.nav-hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ═══════ HERO ═══════ */
.hero{padding:calc(var(--nav-h) + 60px) 0 80px;
  background:linear-gradient(180deg,rgba(196,157,120,.06) 0%,var(--bg) 100%)}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 32px}
.hero-chapter{display:flex;align-items:center;gap:16px;margin-bottom:48px;flex-wrap:wrap}
.chapter-num{font-family:var(--mono);font-size:.75rem;color:var(--text-soft);letter-spacing:.06em}
.chapter-line{width:40px;height:1px;background:var(--text-soft)}
.chapter-label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;color:var(--text-soft);text-transform:uppercase}
.chapter-right{margin-left:auto;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--text-soft);text-transform:uppercase}
.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-heading{font-family:var(--serif);font-size:clamp(2.8rem,5.5vw,4.8rem);
  font-weight:400;line-height:1.05;letter-spacing:-.02em;margin-bottom:28px}
.hero-heading em{color:var(--accent);font-style:italic}
.hero-description{font-size:1.05rem;line-height:1.65;color:var(--text-muted);max-width:520px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-hero-primary{padding:14px 32px;border-radius:50px;background:var(--accent-gradient);
  color:#fff;font-weight:600;font-size:.9rem;box-shadow:0 8px 24px rgba(192,122,80,.25);
  transition:transform .2s,box-shadow .2s}
.btn-hero-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(192,122,80,.3)}
.btn-hero-secondary{padding:14px 32px;border-radius:50px;border:1px solid var(--border);
  background:var(--surface);font-weight:500;font-size:.9rem;transition:border-color .2s,transform .2s}
.btn-hero-secondary:hover{border-color:var(--border-accent);transform:translateY(-1px)}

/* Hero card mock */
.hero-visual{display:flex;justify-content:center}
.hero-card-mock{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);
  border-radius:18px;padding:22px;box-shadow:var(--shadow-lg);
  transform:rotate(1deg);transition:transform .4s}
.hero-card-mock:hover{transform:rotate(0)}
.mock-header{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.mock-icon{width:28px;height:28px;border-radius:8px;background:var(--accent-gradient);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:800}
.mock-title{font-weight:600;font-size:.85rem;flex:1}
.mock-time{font-family:var(--mono);font-size:.72rem;color:var(--accent)}
.mock-speaker{padding:14px;background:var(--surface-warm);border-radius:12px;margin-bottom:14px}
.mock-speaker-name{font-weight:600;font-size:.82rem;margin-bottom:6px}
.mock-speaker-text{font-size:.8rem;color:var(--text-muted);line-height:1.5}
.mock-thinking{display:flex;align-items:center;gap:8px;padding:12px 14px;
  background:var(--accent-light);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;margin-bottom:14px}
.mock-thinking .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);
  animation:pulse 1.2s infinite ease-in-out}
.mock-thinking .dot:nth-child(2){animation-delay:.2s}
.mock-thinking .dot:nth-child(3){animation-delay:.4s}
.mock-thinking-text{font-size:.78rem;color:var(--accent);font-style:italic}
.mock-footer{display:flex;align-items:center;justify-content:space-between}
.mock-label{font-family:var(--mono);font-size:.65rem;letter-spacing:.06em;color:var(--text-soft);text-transform:uppercase}
.mock-btn{padding:8px 16px;border-radius:10px;background:var(--accent-gradient);
  color:#fff;font-size:.72rem;font-weight:600;box-shadow:0 4px 12px rgba(192,122,80,.2)}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}

/* ═══════ SECTIONS COMMON ═══════ */
.section{padding:100px 0}
.section-inner{max-width:1200px;margin:0 auto;padding:0 32px}
.chapter-marker{display:flex;align-items:center;gap:16px;margin-bottom:32px}
.section-heading{font-family:var(--serif);font-size:clamp(2rem,4vw,3.4rem);
  font-weight:400;line-height:1.15;letter-spacing:-.01em;margin-bottom:24px}
.section-heading em{color:var(--accent);font-style:italic}
.section-description{font-size:1.05rem;line-height:1.65;color:var(--text-muted);max-width:640px;margin-bottom:48px}

/* ═══════ SIDEBAR PREVIEW ═══════ */
.sidebar-preview{background:var(--surface-warm)}
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.preview-card{padding:28px;background:var(--surface);border:1px solid var(--border);
  border-radius:16px;transition:transform .2s,box-shadow .2s}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.preview-number{font-family:var(--mono);font-size:.72rem;color:var(--accent);
  letter-spacing:.06em;margin-bottom:12px}
.preview-text{font-size:.95rem;line-height:1.55;color:var(--text-muted)}

/* ═══════ HOW IT WORKS ═══════ */
.steps-grid{display:grid;gap:64px;margin-top:48px}
.step-item{display:grid;grid-template-columns:auto 1fr 1fr;gap:32px;align-items:start}
.step-number{font-family:var(--serif);font-size:3.5rem;font-weight:400;color:rgba(192,122,80,.15);line-height:1}
.step-title{font-family:var(--serif);font-size:1.8rem;font-weight:500;margin-bottom:14px}
.step-description{font-size:.95rem;line-height:1.65;color:var(--text-muted)}
.step-fragment{padding:20px;background:var(--surface);border:1px solid var(--border);
  border-radius:14px;box-shadow:var(--shadow)}
.fragment-header{display:flex;gap:12px;align-items:flex-start;margin-bottom:10px}
.fragment-time{font-family:var(--mono);font-size:.72rem;color:var(--accent);flex-shrink:0;margin-top:2px}
.fragment-text{font-size:.82rem;color:var(--text-muted);line-height:1.5}
.fragment-label{font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;
  color:var(--text-soft);text-transform:uppercase;text-align:right;margin-top:12px}
.fragment-thinking{display:flex;align-items:center;gap:8px;padding:14px;
  background:var(--accent-light);border-radius:10px;margin-bottom:10px}
.fragment-thinking .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.2s infinite}
.fragment-thinking .dot:nth-child(2){animation-delay:.2s}
.fragment-thinking .dot:nth-child(3){animation-delay:.4s}
.fragment-thinking span:last-child{font-size:.8rem;color:var(--accent);font-style:italic}
.fragment-result{display:flex;gap:10px;padding:14px;background:var(--surface-warm);border-radius:10px;margin-bottom:10px}
.result-bullet{color:var(--accent);font-weight:700;flex-shrink:0}
.fragment-result span{font-size:.82rem;color:var(--text-muted);line-height:1.5}

/* ═══════ USE CASES ═══════ */
.usecases-section{background:var(--surface-warm)}
.usecase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.usecase-card{padding:32px;background:var(--surface);border:1px solid var(--border);
  border-radius:18px;transition:transform .2s,box-shadow .2s}
.usecase-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.usecase-icon{font-size:2rem;margin-bottom:16px}
.usecase-card h3{font-family:var(--serif);font-size:1.3rem;font-weight:500;margin-bottom:12px}
.usecase-card p{font-size:.9rem;line-height:1.6;color:var(--text-muted)}

/* ═══════ FEATURES ═══════ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  margin-bottom:80px;padding-bottom:80px;border-bottom:1px solid var(--border)}
.feature-row:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.feature-row.reverse{direction:rtl}
.feature-row.reverse>*{direction:ltr}
.feature-label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;
  color:var(--accent);text-transform:uppercase;margin-bottom:16px}
.feature-title{font-family:var(--serif);font-size:1.8rem;font-weight:500;line-height:1.2;margin-bottom:16px}
.feature-desc{font-size:.95rem;line-height:1.65;color:var(--text-muted);margin-bottom:20px}
.feature-quote{border-left:3px solid var(--accent);padding:12px 20px;
  font-family:var(--serif);font-size:1.1rem;font-style:italic;color:var(--accent-dark)}
.feature-screenshot{width:100%;border-radius:16px;border:1px solid var(--border);
  box-shadow:var(--shadow-lg);transition:transform .3s}
.feature-screenshot:hover{transform:scale(1.02)}

/* Feature mocks */
.feature-mock{background:var(--surface);border:1px solid var(--border);
  border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.prompt-label{font-family:var(--mono);font-size:.65rem;letter-spacing:.1em;
  color:var(--text-soft);text-transform:uppercase;margin-bottom:14px}
.prompt-content{padding:16px;background:var(--surface-warm);border-radius:10px;margin-bottom:14px}
.prompt-text{font-size:.85rem;color:var(--text-muted);line-height:1.6;font-style:italic}
.prompt-actions{display:flex;gap:10px}
.prompt-model,.prompt-lang{padding:6px 12px;border-radius:8px;background:var(--accent-light);
  font-family:var(--mono);font-size:.7rem;color:var(--accent);font-weight:600}
.translate-mock{padding:20px}
.translate-header{font-weight:600;font-size:.9rem;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.translate-row{display:flex;align-items:center;justify-content:space-between;
  padding:10px 0;border-bottom:1px solid var(--border)}
.translate-label{font-size:.82rem;color:var(--text-muted)}
.translate-value{font-size:.82rem;font-weight:600}
.translate-toggle{width:36px;height:20px;border-radius:10px;background:#ddd;position:relative}
.translate-toggle.on{background:var(--accent)}
.translate-toggle::after{content:'';position:absolute;width:16px;height:16px;border-radius:50%;
  background:#fff;top:2px;left:2px;transition:.2s}
.translate-toggle.on::after{left:18px}
.translate-color{width:24px;height:24px;border-radius:6px;background:#fff;border:2px solid var(--border)}
.translate-export{margin-top:16px;padding:12px;text-align:center;border-radius:10px;
  background:var(--surface-warm);font-size:.82rem;color:var(--text-muted);
  display:flex;align-items:center;justify-content:center;gap:6px}
.sections-mock{padding:0;overflow:hidden}
.section-item-mock{padding:18px 22px;border-bottom:1px solid var(--border)}
.section-item-mock:last-child{border-bottom:none}
.section-item-mock.active{background:var(--accent-light);border-left:3px solid var(--accent)}
.section-time-mock{font-family:var(--mono);font-size:.68rem;color:var(--accent);margin-bottom:6px}
.section-title-mock{font-weight:600;font-size:.85rem;margin-bottom:6px}
.section-text-mock{font-size:.8rem;color:var(--text-muted);line-height:1.5}
.shortcut-display{margin-top:20px}
.key-combo{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.key{padding:8px 16px;background:var(--accent-gradient);color:#fff;border-radius:10px;
  font-family:var(--mono);font-size:.8rem;font-weight:700;box-shadow:0 4px 12px rgba(192,122,80,.2)}
.key-plus{color:var(--text-soft);font-size:1.2rem}
.key-desc{font-size:.9rem;color:var(--text-muted)}
.shortcut-note{font-size:.8rem;color:var(--text-soft);font-style:italic;margin-top:8px}
.shortcut-mock{display:flex;flex-direction:column;align-items:center;gap:20px;padding:32px}
.shortcut-header{display:flex;align-items:center;gap:10px}
.shortcut-icon{width:36px;height:36px;border-radius:12px;background:var(--accent-gradient);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;box-shadow:0 4px 12px rgba(192,122,80,.25)}
.shortcut-title{font-weight:600;font-size:1rem}
.shortcut-buttons{display:flex;gap:12px}
.shortcut-btn{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;
  justify-content:center;transition:transform .2s,box-shadow .2s}
.shortcut-btn.primary{background:var(--accent-gradient);color:#fff;box-shadow:0 6px 16px rgba(192,122,80,.25)}
.shortcut-btn.secondary{background:var(--surface-warm);border:1px solid var(--border);color:var(--text-muted)}

/* ═══════ PRICING ═══════ */
.pricing-section{background:var(--surface-warm)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.pricing-card-lp{position:relative;padding:32px;background:var(--surface);
  border:1px solid var(--border);border-radius:20px;display:flex;flex-direction:column;
  transition:transform .2s,box-shadow .2s}
.pricing-card-lp:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pricing-card-lp.featured{border-color:var(--border-accent);
  background:linear-gradient(180deg,rgba(192,122,80,.06),#fff 50%);
  box-shadow:0 8px 32px rgba(192,122,80,.12)}
.pricing-ribbon-lp{position:absolute;top:-1px;right:20px;padding:6px 14px;
  border-radius:0 0 10px 10px;background:var(--accent-gradient);
  color:#fff;font-family:var(--mono);font-size:.6rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase}
.pricing-tier{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;
  color:var(--text-soft);text-transform:uppercase;margin-bottom:4px}
.pricing-tagline{font-size:.85rem;color:var(--text-muted);margin-bottom:20px;font-style:italic}
.pricing-price-lp{margin-bottom:24px}
.price-amount{font-family:var(--serif);font-size:2.8rem;font-weight:500;line-height:1;letter-spacing:-.02em}
.price-period{font-family:var(--mono);font-size:.65rem;letter-spacing:.06em;color:var(--text-soft);margin-left:4px}
.pricing-features-lp{list-style:none;display:grid;gap:10px;margin-bottom:28px;flex:1}
.pricing-features-lp li{position:relative;padding-left:20px;font-size:.85rem;color:var(--text-muted);line-height:1.5}
.pricing-features-lp li::before{content:'+';position:absolute;left:0;color:var(--accent);font-weight:700}
.pricing-features-lp li.highlight{color:var(--text);font-weight:600}
.pricing-cta{display:block;text-align:center;padding:14px;border-radius:12px;
  font-weight:600;font-size:.85rem;transition:transform .2s,box-shadow .2s}
.pricing-cta.primary{background:var(--accent-gradient);color:#fff;box-shadow:0 8px 20px rgba(192,122,80,.2)}
.pricing-cta.primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(192,122,80,.25)}
.pricing-cta.secondary{background:var(--surface-warm);border:1px solid var(--border);color:var(--text)}
.pricing-cta.secondary:hover{border-color:var(--border-accent);transform:translateY(-1px)}

/* ═══════ FAQ ═══════ */
.faq-list{max-width:720px;margin-top:48px}
.faq-item{border-bottom:1px solid var(--border)}
.faq-question{width:100%;display:flex;align-items:center;gap:16px;padding:22px 0;
  text-align:left;font-size:1rem;font-weight:500;transition:color .2s}
.faq-question:hover{color:var(--accent)}
.faq-num{font-family:var(--mono);font-size:.72rem;color:var(--accent);flex-shrink:0}
.faq-question span:nth-child(2){flex:1}
.faq-chevron{font-size:1.3rem;color:var(--text-soft);transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-chevron{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}
.faq-item.open .faq-answer{max-height:300px;padding-bottom:22px}
.faq-answer p{font-size:.9rem;line-height:1.7;color:var(--text-muted);padding-left:42px}

/* ═══════ INSTALL CTA ═══════ */
.install-section{padding:100px 0;background:linear-gradient(180deg,var(--bg),var(--surface-warm))}
.install-inner{text-align:center}
.install-heading{font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);font-weight:400;margin-bottom:16px}
.install-desc{font-size:1.05rem;color:var(--text-muted);margin-bottom:36px}
.btn-install{display:inline-flex;align-items:center;gap:12px;padding:18px 40px;
  border-radius:50px;background:var(--accent-gradient);color:#fff;
  font-weight:600;font-size:1rem;box-shadow:0 10px 32px rgba(192,122,80,.25);
  transition:transform .2s,box-shadow .2s}
.btn-install:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(192,122,80,.3)}

/* ═══════ FOOTER ═══════ */
.footer-lp{background:var(--text);color:#fff;padding:64px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 32px;
  display:grid;grid-template-columns:1fr 2fr;gap:48px}
.footer-brand-logo{width:44px;height:44px;border-radius:12px;object-fit:contain;margin-bottom:16px}
.footer-tagline{font-size:.9rem;color:rgba(255,255,255,.5);line-height:1.6}
.footer-links-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:rgba(255,255,255,.3);margin-bottom:16px}
.footer-col a{display:block;font-size:.85rem;color:rgba(255,255,255,.6);
  margin-bottom:10px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:1200px;margin:48px auto 0;padding:20px 32px;
  border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom p{font-size:.75rem;color:rgba(255,255,255,.3)}

/* ═══════ ANIMATIONS ═══════ */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ═══════ RESPONSIVE ═══════ */
@media(max-width:960px){
  .hero-content{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .step-item{grid-template-columns:auto 1fr;gap:20px}
  .step-fragment{grid-column:1/-1}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;direction:ltr}
  .pricing-grid{grid-template-columns:1fr}
  .usecase-grid{grid-template-columns:1fr}
  .preview-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;
    flex-direction:column;background:rgba(244,240,235,.98);backdrop-filter:blur(16px);
    padding:20px 32px;gap:16px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .nav-hamburger{display:flex}
  .chapter-right{display:none}
  .hero-heading{font-size:2.4rem}
  .section-heading{font-size:1.8rem}
  .footer-links-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .btn-hero-primary,.btn-hero-secondary{text-align:center;width:100%}
  .pricing-grid{gap:16px}
}