/* ===================== TOKENS ===================== */
:root{
  --blue-700:#1f4fd6;
  --blue-600:#2563eb;
  --blue-500:#3b82f6;
  --blue-400:#60a5fa;
  --blue-50:#eef4ff;
  --ink-900:#0b1530;
  --ink-800:#111c3a;
  --ink-700:#1e293b;
  --ink-500:#475569;
  --ink-400:#64748b;
  --ink-300:#94a3b8;
  --line:#e6ecf6;
  --bg:#ffffff;
  --bg-soft:#f6f9ff;
  --bg-blue:#eef4ff;
  --white:#ffffff;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow-sm:0 4px 16px rgba(20,40,90,.06);
  --shadow:0 18px 50px rgba(24,52,120,.12);
  --shadow-lg:0 40px 90px rgba(24,52,120,.20);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.7,.25,1);
  --grad-blue:linear-gradient(120deg,#2563eb 0%,#3b82f6 45%,#60a5fa 100%);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink-700);
  background:var(--bg);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}

h1,h2,h3,h4{color:var(--ink-900);line-height:1.12;letter-spacing:-.02em;font-weight:800}
.grad{background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}

.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue-600);background:var(--blue-50);padding:7px 14px;border-radius:999px;margin-bottom:18px;
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;border-radius:12px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s;
  white-space:nowrap;font-family:inherit;
}
.btn-primary{background:var(--grad-blue);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.42)}
.btn-ghost{background:#fff;color:var(--ink-800);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--blue-400);color:var(--blue-700)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-block{width:100%}

/* ===================== HEADER ===================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s,background .3s;
}
.site-header.scrolled{border-color:var(--line);box-shadow:0 4px 24px rgba(20,40,90,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink-900);letter-spacing:-.02em}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:var(--blue-600)}
.brand-mark svg{width:30px;height:30px}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:15px;font-weight:500;color:var(--ink-500);transition:color .2s}
.nav a:hover{color:var(--ink-900)}
.nav .nav-cta{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink-800);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===================== HERO ===================== */
.hero{position:relative;padding:138px 0 60px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(1100px 520px at 78% -8%,rgba(96,165,250,.20),transparent 60%),
    radial-gradient(820px 460px at 8% 4%,rgba(37,99,235,.12),transparent 58%),
    linear-gradient(180deg,#f4f8ff 0%,#ffffff 78%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(37,99,235,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(37,99,235,.05) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(900px 480px at 70% 0%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(900px 480px at 70% 0%,#000,transparent 75%);
}
.hero-inner{display:grid;grid-template-columns:1.02fr 1.1fr;gap:54px;align-items:center}
.hero-title{font-size:clamp(38px,4.6vw,62px);font-weight:900;margin-bottom:22px}
.hero-sub{font-size:20px;color:var(--ink-700);font-weight:500;margin-bottom:14px;max-width:560px}
.hero-lead{font-size:16px;color:var(--ink-500);margin-bottom:30px;max-width:540px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.hero-visual{position:relative}
.hero-glow{position:absolute;inset:-12% -8% -8% -4%;z-index:-1;background:var(--grad-blue);filter:blur(80px);opacity:.18;border-radius:50%}

.browser-frame{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-lg);transform:perspective(1600px) rotateY(-4deg) rotateX(2deg);
  transition:transform .6s var(--ease);
}
.hero-visual:hover .browser-frame{transform:perspective(1600px) rotateY(0) rotateX(0)}
.browser-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#f4f7fc;border-bottom:1px solid var(--line)}
.browser-bar .dot{width:11px;height:11px;border-radius:50%;background:#d7deea}
.browser-bar .dot:nth-child(1){background:#ff5f57}
.browser-bar .dot:nth-child(2){background:#febc2e}
.browser-bar .dot:nth-child(3){background:#28c840}
.browser-url{margin-left:12px;font-size:12px;color:var(--ink-400);background:#fff;border:1px solid var(--line);padding:4px 12px;border-radius:7px}
.browser-frame img{width:100%;display:block}

.hero-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:64px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.mini-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d9e4f7}
.mini-ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--blue-50);color:var(--blue-600);margin-bottom:16px}
.mini-ico svg{width:24px;height:24px}
.mini-card h3{font-size:18px;margin-bottom:8px}
.mini-card p{font-size:15px;color:var(--ink-500)}

/* ===================== SECTION BASE ===================== */
.section{padding:104px 0}
.section-head{max-width:740px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(28px,3.4vw,42px);margin-bottom:16px}
.section-head p{font-size:18px;color:var(--ink-500)}

/* ===================== PROBLEM ===================== */
.problem{background:var(--bg-soft)}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.problem-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.problem-item p{font-size:15px;color:var(--ink-700)}
.problem-item .x{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#fff0f0;color:#e2484a;font-weight:800}
.problem-item .check{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#e9f7ee;color:#1fa463;font-weight:800}
.problem-solve{background:var(--ink-900);border-color:var(--ink-900)}
.problem-solve p{color:#dbe6ff}
.problem-solve .check{background:rgba(96,165,250,.2);color:#9cc2ff}

/* ===================== WHO ===================== */
.who-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.who-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.who-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.who-ico{font-size:30px;display:block;margin-bottom:12px}
.who-card h3{font-size:16px}
.who-card-accent{background:var(--grad-blue);border:none;display:flex;align-items:center;grid-column:span 1}
.who-card-accent p{color:#fff;font-weight:600;font-size:16px}

/* ===================== HOW ===================== */
.steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:10px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 30px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step-num{font-size:42px;font-weight:900;background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px;line-height:1}
.step h3{font-size:21px;margin-bottom:12px}
.step p{font-size:15px;color:var(--ink-500)}
.step-arrow{display:grid;place-items:center;font-size:26px;color:var(--blue-400);font-weight:700}

/* ===================== FEATURES ===================== */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.feature-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--grad-blue);transition:width .4s var(--ease)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#dbe6fa}
.feature-card:hover::before{width:100%}
.feat-ico{width:56px;height:56px;border-radius:15px;display:grid;place-items:center;background:var(--blue-50);color:var(--blue-600);margin-bottom:20px}
.feat-ico svg{width:28px;height:28px}
.feature-card h3{font-size:22px;margin-bottom:12px}
.feature-card p{color:var(--ink-500);font-size:16px}
.feature-extra{text-align:center;max-width:760px;margin:36px auto 0;color:var(--ink-500);font-size:16px}

/* ===================== BENEFITS ===================== */
.benefits{background:var(--bg-soft)}
.benefits-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.benefits-sub{font-size:18px;color:var(--ink-500);margin-bottom:28px}
.benefit-list{display:flex;flex-direction:column;gap:18px}
.benefit-list li{display:flex;gap:14px;font-size:16px;color:var(--ink-600)}
.benefit-list strong{color:var(--ink-900)}
.check{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:#e8f1ff;color:var(--blue-600);font-weight:800;font-size:14px}
.benefits-visual .browser-frame{transform:none;box-shadow:var(--shadow)}

/* ===================== ROLES ===================== */
.role-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.role-sub{font-size:18px;color:var(--blue-700);font-weight:600;margin-bottom:18px}
.role p{color:var(--ink-500);margin-bottom:20px;font-size:16px}
.tick-list{display:flex;flex-direction:column;gap:12px}
.tick-list li{position:relative;padding-left:30px;color:var(--ink-700);font-size:16px}
.tick-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--blue-600);font-weight:800}
.role-manager{background:var(--bg-soft)}

/* phone mockup */
.phone-frame{
  width:300px;margin:0 auto;background:#0b1530;border-radius:38px;padding:12px;
  box-shadow:var(--shadow-lg);position:relative;
}
.phone-notch{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:120px;height:22px;background:#0b1530;border-radius:0 0 16px 16px;z-index:2}
.phone-frame img{border-radius:28px;height:560px;object-fit:cover;object-position:left top}

.role-visual .browser-frame{box-shadow:var(--shadow)}

/* ===================== FAQ ===================== */
.faq-inner{max-width:820px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;cursor:pointer;font-weight:600;font-size:18px;color:var(--ink-900);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{flex:none;position:relative;width:18px;height:18px}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--blue-600);border-radius:2px;transition:transform .3s var(--ease)}
.faq-plus::before{top:8px;left:0;width:18px;height:2px}
.faq-plus::after{top:0;left:8px;width:2px;height:18px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 26px 24px;color:var(--ink-500);font-size:16px}
.faq-item[open] summary{color:var(--blue-700)}

/* ===================== CTA ===================== */
.cta{padding:96px 0;background:
  radial-gradient(800px 420px at 12% 0%,rgba(96,165,250,.30),transparent 60%),
  linear-gradient(125deg,#16225a 0%,#1f3fae 55%,#2563eb 100%);
  position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(700px 380px at 80% 110%,#000,transparent 75%);-webkit-mask-image:radial-gradient(700px 380px at 80% 110%,#000,transparent 75%)}
.cta-inner{display:grid;grid-template-columns:1fr 460px;gap:60px;align-items:center;position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:clamp(28px,3.4vw,42px);margin-bottom:18px}
.cta-copy p{color:#c9d6ff;font-size:18px;margin-bottom:26px;max-width:520px}
.cta-points{display:flex;flex-direction:column;gap:13px}
.cta-points li{display:flex;align-items:center;gap:12px;color:#eaf0ff;font-weight:500}
.cta-points .check{background:rgba(255,255,255,.15);color:#fff}

.cta-form{background:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-lg)}
.cta-form h3{font-size:22px;margin-bottom:22px}
.field{margin-bottom:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:7px}
.field input{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;
  background:var(--bg-soft);transition:border-color .2s,box-shadow .2s,background .2s;color:var(--ink-900);
}
.field input:focus{outline:none;border-color:var(--blue-500);background:#fff;box-shadow:0 0 0 4px rgba(59,130,246,.14)}
.cta-form .btn{margin-top:8px}
.form-note{font-size:13px;color:var(--ink-400);text-align:center;margin-top:14px}
.form-success{margin-top:14px;padding:12px 16px;border-radius:11px;background:#e9f7ee;color:#157a47;font-size:14px;font-weight:600;text-align:center}

/* ===================== FOOTER ===================== */
.footer{background:var(--ink-900);color:#aab6d4;padding:64px 0 30px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.brand-light{color:#fff}.brand-light .brand-mark{color:var(--blue-400)}
.footer-brand p{margin-top:16px;font-size:15px;color:#8a98bd;max-width:280px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col a{display:block;font-size:15px;color:#aab6d4;margin-bottom:11px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-addr{font-size:15px;color:#8a98bd;display:block;margin-top:4px}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:14px;color:#7d8bb0}

/* ===================== REVEAL ANIM ===================== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.browser-frame{transform:none!important}}

/* ===================== RESPONSIVE ===================== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-copy{max-width:620px}
  .hero-sub,.hero-lead{max-width:none}
  .browser-frame{transform:none}
  .steps{grid-template-columns:1fr;gap:18px}
  .step-arrow{transform:rotate(90deg)}
  .who-grid{grid-template-columns:repeat(2,1fr)}
  .benefits-inner,.role-inner,.cta-inner{grid-template-columns:1fr;gap:40px}
  .cta-inner{grid-template-columns:1fr}
  .role-manager .role-inner{direction:ltr}
  .role-manager .role-copy{order:1}.role-manager .role-visual{order:2}
  .footer-inner{grid-template-columns:1fr 1fr}
}

@media (max-width:760px){
  body{font-size:16px}
  .nav{
    position:fixed;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 22px 22px;
    transform:translateY(-130%);opacity:0;pointer-events:none;transition:transform .35s var(--ease),opacity .3s;box-shadow:var(--shadow);
  }
  .nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .nav .nav-cta{margin-top:14px;border:none;justify-content:center;padding:14px}
  .nav-toggle{display:flex}

  .hero{padding:108px 0 40px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-cards{grid-template-columns:1fr;margin-top:44px}

  .section{padding:64px 0}
  .section-head{margin-bottom:38px}
  .problem-grid{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr 1fr}
  .who-card-accent{grid-column:span 2}
  .feature-grid{grid-template-columns:1fr}
  .feature-card{padding:28px}

  .field-row{grid-template-columns:1fr}
  .cta-form{padding:26px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:span 2}
  .container{padding:0 20px}
}

@media (max-width:420px){
  .who-grid{grid-template-columns:1fr}
  .who-card-accent{grid-column:span 1}
  .footer-inner{grid-template-columns:1fr}
  .footer-brand{grid-column:span 1}
  .phone-frame{width:260px}
  .phone-frame img{height:480px}
}