*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#000000;--bg:#FFFFFF;--surface:#F3F3F3;--text:#000000;--muted:#3F3F3F;--accent:#000000;--white:#FFFFFF;--border:#C0C0C0;--font-display:'DM Serif Display',Georgia,serif;--font-body:'DM Sans',system-ui,sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}

/* NAV */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1.5px solid var(--border);transition:all .3s}
.navbar.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.1)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.navbar-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.navbar-logo svg{height:36px;width:auto}
.navbar-logo span{font-family:var(--font-display);font-size:1.25rem}
.navbar-links{display:flex;align-items:center;gap:36px;list-style:none}
.navbar-links a{text-decoration:none;color:#555;font-size:.9rem;font-weight:500;transition:color .2s}
.navbar-links a:hover{color:#000}
.navbar-links .btn-primary{color:#fff !important}
.navbar-links .btn-primary:hover{color:#fff !important}
.navbar-links .btn-ghost{color:#000;border-color:#000}
.navbar-links .btn-ghost:hover{color:#fff;background:#000}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:8px;font-family:var(--font-body);font-size:.9rem;font-weight:600;text-decoration:none;transition:all .25s;cursor:pointer;border:none}
.btn-primary{background:#000;color:#fff}
.btn-primary:hover{background:#222;transform:translateY(-1px);box-shadow:0 4px 20px rgba(0,0,0,.2)}
.btn-ghost{background:transparent;color:#000;border:2px solid #000}
.btn-ghost:hover{background:#000;color:#fff}
.btn-sm{padding:10px 22px;font-size:.85rem}

.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0;border-radius:2px}

/* ANNOUNCEMENT */
.announcement{background:#000;color:#fff;padding:10px 0;overflow:hidden;margin-top:72px;border-bottom:1px solid rgba(255,255,255,.1)}
.announcement-track{display:flex;animation:marquee 30s linear infinite;white-space:nowrap}
.announcement-item{display:inline-flex;align-items:center;padding:0 48px;font-size:.85rem;font-weight:600;letter-spacing:.02em}
.announcement-dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.5);flex-shrink:0}

/* HERO */
.hero{padding:100px 0 80px;position:relative;overflow:hidden;background:#000;color:#fff}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.03) 0%,transparent 70%);pointer-events:none}
.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text{max-width:560px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(255,255,255,.1);border:1.5px solid rgba(255,255,255,.25);border-radius:100px;font-size:.8rem;font-weight:600;color:#fff;margin-bottom:28px;animation:fadeUp .6s ease both}
.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 2s ease infinite}
.hero h1{font-family:var(--font-display);font-size:clamp(2.2rem,4.2vw,3.4rem);line-height:1.14;letter-spacing:-.025em;margin-bottom:24px;animation:fadeUp .6s ease .1s both}
.hero h1 em{font-style:italic;color:#fff}
.hero-sub{font-size:1.12rem;line-height:1.7;color:#eee;margin-bottom:40px;max-width:480px;animation:fadeUp .6s ease .2s both}
.hero-ctas{display:flex;gap:16px;animation:fadeUp .6s ease .3s both}
.hero-ctas .btn-primary{background:#fff;color:#000}
.hero-ctas .btn-primary:hover{background:#eee;box-shadow:0 4px 20px rgba(255,255,255,.2)}
.hero-ctas .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.hero-ctas .btn-ghost:hover{background:#fff;color:#000;border-color:#fff}

/* MOCKUP */
.hero-visual{animation:fadeUp .8s ease .4s both;position:relative}
.mockup-window{background:#fff;border-radius:16px;border:none;box-shadow:0 24px 60px rgba(0,0,0,.4),0 2px 6px rgba(0,0,0,.2);overflow:hidden}
.mockup-titlebar{display:flex;align-items:center;gap:8px;padding:16px 20px;border-bottom:1.5px solid #ccc;background:#F0F0F0}
.mockup-dot{width:10px;height:10px;border-radius:50%}
.mockup-dot:nth-child(1){background:#FF5F57}.mockup-dot:nth-child(2){background:#FFBD2E}.mockup-dot:nth-child(3){background:#28C840}
.mockup-titlebar-text{margin-left:12px;font-size:.8rem;color:#555;font-weight:600}
.mockup-body{padding:24px;display:flex;flex-direction:column;gap:18px}
.chat-msg{display:flex;gap:12px}.chat-msg-user{justify-content:flex-end}
.chat-avatar{width:32px;height:32px;border-radius:8px;background:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:white;font-size:.7rem;font-weight:700}
.chat-avatar-user{background:#444}
.chat-bubble{padding:14px 18px;border-radius:12px;font-size:.86rem;line-height:1.6;max-width:85%}
.chat-bubble-user{background:#222;color:white;border-bottom-right-radius:4px}
.chat-bubble-ai{background:#F0F0F0;color:#000;border-bottom-left-radius:4px}
.chat-source{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;color:#000;background:rgba(0,0,0,.1);padding:4px 10px;border-radius:4px;margin-top:8px;font-weight:700}
.mockup-float{position:absolute;bottom:-20px;right:-20px;background:#fff;border:1.5px solid #aaa;border-radius:12px;padding:14px 18px;box-shadow:0 8px 30px rgba(0,0,0,.12);animation:float 4s ease infinite;font-size:.82rem;display:flex;align-items:center;gap:10px}
.mockup-float svg{flex-shrink:0}

/* ICONS */
.icon-box{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.icon-box svg{width:26px;height:26px;fill:none}
.icon-box-light{background:#EAEAEA}.icon-box-light svg{stroke:#000}
.icon-box-dark{background:rgba(255,255,255,.15)}.icon-box-dark svg{stroke:#fff}
.icon-box-sm{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.icon-box-sm svg{width:22px;height:22px;fill:none}
.icon-inline{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:rgba(255,255,255,.1)}
.icon-inline svg{width:20px;height:20px;stroke:#fff;fill:none}

/* PROBLEM */
.problem-section{padding:80px 0;background:#000;color:#fff;border-top:none}
.section-header{text-align:center;max-width:700px;margin:0 auto 60px}
.section-header h2{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;color:#000}
.section-header p{color:#444;font-size:1.05rem;line-height:1.7}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.problem-card{text-align:center;padding:40px 28px;background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.15);border-radius:16px;transition:all .3s}
.problem-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.3);border-color:rgba(255,255,255,.3)}
.problem-section .section-header h2{color:#fff}
.problem-section .section-header p{color:#eee}
.problem-card h3{font-family:var(--font-display);font-size:1.2rem;margin-bottom:10px;color:#fff}
.problem-card p{color:#eee;font-size:.9rem;line-height:1.6}
.problem-card .icon-box-light{background:rgba(255,255,255,.1)}
.problem-card .icon-box-light svg{stroke:#fff}

/* CAROUSEL */
.usecases{padding:80px 0;background:var(--surface);overflow:hidden}
.carousel-outer{position:relative;margin-top:48px}
.carousel-outer::before,.carousel-outer::after{content:'';position:absolute;top:0;bottom:0;width:100px;z-index:2;pointer-events:none}
.carousel-outer::before{left:0;background:linear-gradient(to right,#F3F3F3,transparent)}
.carousel-outer::after{right:0;background:linear-gradient(to left,#F3F3F3,transparent)}
.carousel-track{display:flex;gap:20px;will-change:transform}
.usecase-card{flex:0 0 400px;background:#fff;border:1.5px solid #bbb;border-radius:16px;padding:28px;transition:all .3s;user-select:none}
.usecase-card:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.usecase-label{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#000;margin-bottom:14px}
.usecase-label-dot{width:6px;height:6px;border-radius:50%;background:#000}
.usecase-question{font-family:var(--font-display);font-size:1rem;line-height:1.45;margin-bottom:16px;color:#000}
.usecase-answer{font-size:.84rem;color:#444;line-height:1.6;padding-top:14px;border-top:1.5px solid #ccc}
.usecase-answer strong{color:#000;font-weight:700}

/* CONTEXT */
.context-section{padding:100px 0;background:#000;color:#fff}
.context-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.context-text h2{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:20px;color:#fff}
.context-text h2 em{font-style:italic;color:#fff}
.context-text>p{color:#eee;font-size:1.05rem;line-height:1.7;margin-bottom:32px}
.context-features{display:flex;flex-direction:column;gap:20px}
.context-feature{display:flex;gap:16px;align-items:flex-start}
.context-feature h4{font-size:.95rem;font-weight:700;margin-bottom:4px;color:#fff}
.context-feature p{font-size:.88rem;color:#eee;line-height:1.5}
.layer-diagram{display:flex;flex-direction:column;gap:16px}
.layer-card{background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.15);border-radius:16px;padding:28px;transition:all .3s}
.layer-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.3)}
.layer-card-top{border-left:4px solid #fff}.layer-card-bottom{border-left:4px solid #aaa}
.layer-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#aaa;margin-bottom:10px}
.layer-title{font-family:var(--font-display);font-size:1.15rem;margin-bottom:8px;color:#fff}
.layer-desc{font-size:.88rem;color:#eee;line-height:1.5}
.layer-items{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.layer-tag{padding:5px 12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:6px;font-size:.78rem;font-weight:600;color:#fff}
.layer-connector{display:flex;justify-content:center;position:relative}
.layer-connector::before{content:'';width:2px;height:16px;background:rgba(255,255,255,.2)}
.layer-connector-icon{position:absolute;top:50%;transform:translateY(-50%);background:#000;border:1.5px solid rgba(255,255,255,.2);border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center}
.layer-connector-icon svg{width:16px;height:16px;stroke:#fff;fill:none}

/* FEATURES */
.features{padding:80px 0;background:var(--surface)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{background:#fff;border:1.5px solid #bbb;border-radius:16px;padding:36px 28px;transition:all .3s;text-align:center;position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:#000;opacity:0;transition:opacity .3s}
.feature-card:hover::before{opacity:1}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.14)}
.feature-card h3{font-family:var(--font-display);font-size:1.1rem;margin-bottom:10px;color:#000}
.feature-card p{font-size:.88rem;color:#444;line-height:1.6}

/* SECURITY */
.security{padding:100px 0;background:#000;color:#fff;position:relative;overflow:hidden}
.security::before{content:'';position:absolute;top:-100px;left:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.03) 0%,transparent 70%);pointer-events:none}
.security-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.security-text h2{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;color:#fff}
.security-text h2 em{font-style:italic;color:#fff}
.security-text>p{color:#eee;font-size:1.05rem;line-height:1.7}
.security-points{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.security-point{background:rgba(255,255,255,.1);border:1.5px solid rgba(255,255,255,.2);border-radius:14px;padding:28px;text-align:center;transition:all .3s}
.security-point:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.security-point .icon-box-sm{margin:0 auto 14px}
.security-point h4{font-size:.95rem;font-weight:700;margin-bottom:6px;color:#fff}
.security-point p{font-size:.84rem;color:#eee;line-height:1.5}

/* PARTNER */
.partner{padding:100px 0;background:#000;color:#fff}
.partner-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.partner-text h2{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;color:#fff}
.partner-text>p{color:#eee;font-size:1.05rem;line-height:1.7;margin-bottom:36px}
.partner-benefits{display:flex;flex-direction:column;gap:20px}
.partner-benefit{display:flex;gap:14px;align-items:flex-start}
.partner-check{width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.partner-check svg{width:16px;height:16px;stroke:#fff;fill:none}
.partner-benefit-text h4{font-size:.95rem;font-weight:700;margin-bottom:2px;color:#fff}
.partner-benefit-text p{font-size:.85rem;color:#eee;line-height:1.5}
.partner-visual{display:flex;justify-content:center}
.partner-card{background:#fff;border:none;border-radius:20px;padding:44px 40px;text-align:center;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.4);position:relative}
.partner-card-tag{position:absolute;top:-12px;right:24px;background:#fff;color:#000;padding:5px 14px;border-radius:6px;font-size:.75rem;font-weight:700}
.partner-card-shield{margin-bottom:24px}
.partner-card-shield svg{width:60px;height:auto}
.partner-card h3{font-family:var(--font-display);font-size:1.4rem;margin-bottom:12px;color:#000}
.partner-card p{color:#444;font-size:.9rem;line-height:1.6;margin-bottom:28px}
.partner-card .btn{width:100%;justify-content:center}

/* FINAL CTA */
.final-cta{padding:100px 0;background:var(--surface);text-align:center}
.final-cta-logo{margin-bottom:32px}
.final-cta-logo svg{width:64px;height:auto;opacity:.9}
.final-cta h2{font-family:var(--font-display);font-size:clamp(2rem,3.5vw,2.8rem);letter-spacing:-.025em;margin-bottom:16px}
.final-cta>p{color:#444;font-size:1.1rem;margin-bottom:40px;max-width:480px;margin-left:auto;margin-right:auto}
.final-cta-buttons{display:flex;justify-content:center;gap:16px}

/* FOOTER */
.footer{padding:40px 0;border-top:1.5px solid #bbb}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-left{display:flex;align-items:center;gap:12px}
.footer-left svg{height:24px;width:auto}
.footer-left span{font-size:.85rem;color:#555}
.footer-links{display:flex;gap:28px;list-style:none}
.footer-links a{font-size:.85rem;color:#555;text-decoration:none;transition:color .2s}
.footer-links a:hover{color:#000}
.footer-badge{font-size:.82rem;color:#555}


.usecases .section-header h2{color:#000 !important}
.usecases .section-header p{color:#333 !important}
.features .section-header h2{color:#000 !important}
.features .section-header p{color:#333 !important}

.section-title-dark{font-family:var(--font-display);font-size:clamp(2.2rem,3.8vw,3rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:16px;color:#000 !important;font-weight:700}
.section-desc-dark{color:#333 !important;font-size:1.2rem;line-height:1.7}

/* RESPONSIVE */
@media(max-width:1024px){
  .hero-content,.context-grid,.security-inner,.partner-inner{grid-template-columns:1fr;gap:48px}
  .hero-visual{max-width:560px}
  .hero-text{max-width:100%}
  .features-grid{grid-template-columns:repeat(2,1fr)}.security-points{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{padding:0 18px}
  .navbar-inner{height:64px}
  .navbar-links{display:none}.mobile-toggle{display:block}
  .navbar-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:#fff;padding:20px;border-bottom:1.5px solid #bbb;gap:14px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
  .navbar-links.open a{font-size:1rem;color:var(--text);padding:8px 0}
  .navbar-links.open .btn{width:100%;justify-content:center;margin-top:4px}
  .announcement{margin-top:64px;padding:8px 0}
  .announcement-item{padding:0 28px;font-size:.8rem}

  .hero{padding:48px 0 40px}
  .hero-badge{font-size:.75rem;padding:5px 12px;margin-bottom:20px}
  .hero h1{font-size:1.75rem;line-height:1.18;margin-bottom:18px}
  .hero-sub{font-size:1rem;margin-bottom:28px;max-width:100%}
  .hero-ctas{flex-direction:column;gap:12px}
  .hero-ctas .btn{width:100%;justify-content:center;padding:14px 24px}
  .hero-visual{max-width:100%}
  .mockup-window{border-radius:12px}
  .mockup-titlebar{padding:12px 16px}
  .mockup-body{padding:18px}
  .chat-bubble{font-size:.82rem;padding:12px 14px;max-width:90%}
  .mockup-float{bottom:-14px;right:-8px;padding:10px 14px;font-size:.78rem;border-radius:10px}
  .mockup-float svg{width:14px;height:14px}

  .problem-section{padding:56px 0}
  .section-header{margin-bottom:36px}
  .section-header h2{font-size:1.5rem}
  .section-header p{font-size:.95rem}
  .problem-grid{grid-template-columns:1fr;gap:16px}
  .problem-card{padding:28px 22px}
  .icon-box{width:48px;height:48px;border-radius:12px;margin-bottom:16px}
  .icon-box svg{width:22px;height:22px}

  .usecases{padding:56px 0}
  .carousel-outer::before,.carousel-outer::after{width:40px}
  .usecase-card{flex:0 0 290px;padding:22px;border-radius:14px}
  .usecase-question{font-size:.92rem;min-height:auto}
  .usecase-answer{font-size:.82rem}

  .context-section{padding:56px 0}
  .context-grid{gap:36px}
  .context-text h2{font-size:1.5rem}
  .context-text>p{font-size:.95rem;margin-bottom:24px}
  .context-feature{gap:12px}
  .icon-inline{width:36px;height:36px;border-radius:8px}
  .icon-inline svg{width:18px;height:18px}
  .layer-card{padding:22px;border-radius:14px}
  .layer-title{font-size:1.05rem}
  .layer-items{gap:6px}
  .layer-tag{padding:4px 10px;font-size:.74rem}

  .features{padding:56px 0}
  .features-grid{grid-template-columns:1fr;gap:14px}
  .feature-card{padding:28px 22px;border-radius:14px}
  .icon-box-sm{width:44px;height:44px;margin-bottom:16px}
  .icon-box-sm svg{width:20px;height:20px}

  .security{padding:60px 0}
  .security-inner{gap:36px}
  .security-text h2{font-size:1.5rem}
  .security-points{grid-template-columns:1fr;gap:14px}
  .security-point{padding:22px;border-radius:12px}

  .partner{padding:60px 0}
  .partner-inner{gap:40px}
  .partner-text h2{font-size:1.5rem}
  .partner-text>p{font-size:.95rem;margin-bottom:28px}
  .partner-benefits{gap:16px}
  .partner-card{max-width:100%;padding:32px 28px;border-radius:16px}
  .partner-card h3{font-size:1.2rem}

  .final-cta{padding:64px 0}
  .final-cta-logo svg{width:52px}
  .final-cta h2{font-size:1.6rem}
  .final-cta>p{font-size:.95rem;margin-bottom:32px}
  .final-cta-buttons{flex-direction:column;align-items:stretch}
  .final-cta-buttons .btn{justify-content:center;padding:14px 24px}

  .footer{padding:28px 0}
  .footer-inner{flex-direction:column;gap:16px;text-align:center}
  .footer-left{flex-direction:column;gap:8px}
  .footer-left span{font-size:.8rem}
  .footer-links{flex-wrap:wrap;justify-content:center;gap:16px}
  .footer-links a{font-size:.8rem}
}
@media(max-width:380px){
  .hero h1{font-size:1.5rem}
  .usecase-card{flex:0 0 265px;padding:18px}
  .usecase-question{font-size:.88rem}
  .partner-card{padding:28px 20px}
}