:root{
    --navy-900:#081527; --navy-800:#0B1E3A; --navy-700:#0F3352; --teal-glow:#0D5C58;
    --teal-500:#3BD6C6; --teal-300:#9FE7DE; --blue-500:#4F9DFF;
    --paper:#F5F7F6; --ink:#0B1E3A; --ink-soft:#4A5A6B;
    --line: rgba(255,255,255,0.14);
    --coral:#D85A30; --coral-bg:#FAECE7; --coral-text:#993C1D;
    --teal-bg:#E1F5EE; --teal-text:#085041;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  body{
    background:var(--paper); color:var(--ink);
    font-family:'Inter',sans-serif; line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit; text-decoration:none;}
  .mono{font-family:'IBM Plex Mono',monospace;}
  .wrap{max-width:1080px; margin:0 auto; padding:0 32px;}

  /* ---------- NAV ---------- */
  nav{
    position:sticky; top:0; z-index:50;
    background:rgba(245,247,246,0.88); backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(11,30,58,0.08);
  }
  nav .wrap{display:flex; align-items:center; justify-content:space-between; height:72px;}
  .brand{display:flex; align-items:center; gap:10px; font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:19px; letter-spacing:-0.01em;}
  .brand svg{display:block;}
  .navlinks{display:flex; gap:36px; font-size:14px; font-weight:500; color:var(--ink-soft);}
  .navlinks a:hover{color:var(--ink);}
  .nav-cta{
    background:var(--navy-800); color:#fff; padding:10px 20px; border-radius:8px;
    font-size:14px; font-weight:600;
  }

  /* ---------- HERO ---------- */
  .hero{
    position:relative; overflow:hidden;
    background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 55%, var(--teal-glow) 100%);
    color:#fff; padding:100px 0 0;
  }
  .hero .wrap{position:relative; z-index:2;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:0.04em;
    color:var(--teal-300); border:1px solid rgba(59,214,198,0.35);
    padding:6px 14px; border-radius:20px; margin-bottom:28px;
  }
  .eyebrow .dot{width:6px; height:6px; border-radius:50%; background:var(--teal-500);}
  .hero h1{
    font-family:'Space Grotesk',sans-serif; font-weight:700;
    font-size:clamp(38px,5.6vw,64px); line-height:1.06; letter-spacing:-0.02em;
    max-width:780px;
  }
  .hero h1 span{color:var(--teal-500);}
  .hero p.sub{
    max-width:520px; margin-top:24px; font-size:18px; color:rgba(255,255,255,0.78);
  }
  .hero-ctas{display:flex; gap:14px; margin-top:36px; flex-wrap:wrap;}
  .btn-primary{
    background:var(--teal-500); color:var(--navy-900); padding:14px 26px; border-radius:9px;
    font-weight:600; font-size:15px; display:inline-flex; align-items:center; gap:8px;
  }
  .btn-ghost{
    border:1px solid rgba(255,255,255,0.28); color:#fff; padding:14px 26px; border-radius:9px;
    font-weight:500; font-size:15px;
  }

  /* bridge arc signature */
  .arc-signature{
    position:absolute; right:-60px; top:60px; width:640px; height:420px; opacity:0.9; z-index:1;
    pointer-events:none;
  }
  .maker-line{
    margin-top:70px; padding:22px 0; border-top:1px solid var(--line);
    display:flex; align-items:center; gap:10px; font-size:13px; color:rgba(255,255,255,0.55);
  }

  /* ---------- PROBLEM VS SOLUTION ---------- */
  .contrast{margin-top:64px; display:grid; grid-template-columns:1fr 1fr; gap:16px; position:relative; z-index:2;}
  .contrast-card{border-radius:16px; padding:22px 24px; position:relative; overflow:hidden;}
  .contrast-card.bad{background:rgba(216,90,48,0.14); border:1px solid rgba(216,90,48,0.3);}
  .contrast-card.good{background:rgba(59,214,198,0.14); border:1px solid rgba(59,214,198,0.3);}
  .contrast-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:12px;}
  .contrast-tag{font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.03em;}
  .bad .contrast-tag{color:#F0997B;}
  .good .contrast-tag{color:var(--teal-300);}
  .contrast-card h5{font-family:'Space Grotesk',sans-serif; font-size:16px; font-weight:700; color:#fff; margin-bottom:4px;}
  .contrast-card p{font-size:13px; color:rgba(255,255,255,0.7);}
  .strike{position:absolute; left:6%; right:6%; top:44%; height:2px; background:#F0997B; opacity:0.55; transform:rotate(-4deg);}

  /* ---------- WHO IT'S FOR ---------- */
  .persona-grid{margin-top:48px; display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
  .persona-card{background:#fff; border:1px solid rgba(11,30,58,0.08); border-radius:16px; padding:24px 20px;}
  .persona-card .icon-wrap{
    width:44px; height:44px; border-radius:11px; background:rgba(59,214,198,0.12);
    display:flex; align-items:center; justify-content:center; margin-bottom:16px;
  }
  .persona-card h4{font-family:'Space Grotesk',sans-serif; font-size:16px; font-weight:700; margin-bottom:8px;}
  .persona-card p{font-size:13.5px; color:var(--ink-soft); line-height:1.55;}

  /* ---------- PRICING TIERS ---------- */
  .tier-intro{margin-top:56px;}
  .tier-grid{margin-top:28px; display:grid; grid-template-columns:repeat(4,1fr); gap:18px; align-items:stretch;}
  .tier-card{
    background:var(--navy-800); border-radius:18px; padding:26px 22px; color:#fff;
    display:flex; flex-direction:column; border:1px solid rgba(255,255,255,0.08);
  }
  .tier-card.custom{background:linear-gradient(155deg, var(--teal-glow), var(--navy-800)); border-color:rgba(59,214,198,0.4);}
  .tier-price{font-family:'Space Grotesk',sans-serif; font-size:30px; font-weight:700; color:var(--teal-500); margin-bottom:4px;}
  .tier-card h5{font-family:'Space Grotesk',sans-serif; font-size:16px; font-weight:700; margin-bottom:10px;}
  .tier-list{list-style:none; font-size:13px; color:rgba(255,255,255,0.75); display:flex; flex-direction:column; gap:6px; margin-bottom:20px; flex:1;}
  .tier-list li{padding-left:14px; position:relative;}
  .tier-list li::before{content:"–"; position:absolute; left:0; color:var(--teal-300);}
  .tier-btn{
    text-align:center; padding:10px 0; border-radius:8px; font-size:13.5px; font-weight:600;
    background:rgba(255,255,255,0.1); color:#fff; border:1px solid rgba(255,255,255,0.2);
  }
  .tier-card.custom .tier-btn{background:var(--teal-500); color:var(--navy-900); border:none;}
  .tier-note{margin-top:24px; font-size:13px; color:var(--ink-soft); max-width:640px;}

  /* ---------- SECTION LABEL ---------- */
  .section{padding:96px 0;}
  .section-label{
    font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:0.06em;
    color:var(--teal-glow); text-transform:uppercase; margin-bottom:14px;
  }
  .section h2{
    font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:clamp(28px,3.4vw,38px);
    letter-spacing:-0.01em; max-width:640px;
  }
  .section p.lead{margin-top:16px; font-size:16px; color:var(--ink-soft); max-width:560px;}

  /* ---------- CURRENT RELEASE CARD ---------- */
  .release-card{
    margin-top:56px; background:var(--navy-800); border-radius:22px; overflow:hidden;
    display:grid; grid-template-columns:1.1fr 1fr; box-shadow:0 30px 60px -30px rgba(11,30,58,0.4);
  }
  .release-copy{padding:48px 44px; color:#fff;}
  .release-tag{
    font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--teal-300);
    border:1px solid rgba(159,231,222,0.3); display:inline-block; padding:4px 10px; border-radius:6px; margin-bottom:18px;
  }
  .release-copy h3{font-family:'Space Grotesk',sans-serif; font-size:26px; font-weight:700; margin-bottom:12px; letter-spacing:-0.01em;}
  .release-copy p{color:rgba(255,255,255,0.72); font-size:15px; max-width:400px;}
  .feature-list{margin-top:26px; display:flex; flex-direction:column; gap:11px;}
  .feature-list div{display:flex; align-items:flex-start; gap:10px; font-size:14px; color:rgba(255,255,255,0.86);}
  .feature-list svg{flex-shrink:0; margin-top:2px;}
  .release-price{margin-top:30px; display:flex; align-items:center; gap:16px;}
  .price-tag{font-family:'Space Grotesk',sans-serif; font-size:26px; font-weight:700; color:var(--teal-500);}
  .price-note{font-size:13px; color:rgba(255,255,255,0.5);}
  .release-visual{
    background: radial-gradient(circle at 70% 30%, rgba(59,214,198,0.18), transparent 60%), var(--navy-900);
    position:relative; display:flex; align-items:center; justify-content:center; padding:30px;
  }
  .mock-alert{
    background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.14);
    border-radius:16px; padding:18px 20px; width:280px; backdrop-filter:blur(6px);
  }
  .mock-alert .app-row{display:flex; align-items:center; gap:8px; font-size:11px; color:rgba(255,255,255,0.55); margin-bottom:10px;}
  .mock-alert .title{font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:15px; color:#fff; margin-bottom:4px;}
  .mock-alert .body{font-size:13px; color:rgba(255,255,255,0.7);}
  .mock-alert .badge{
    margin-top:12px; display:inline-block; font-family:'IBM Plex Mono',monospace; font-size:11px;
    background:rgba(59,214,198,0.16); color:var(--teal-300); padding:4px 9px; border-radius:6px;
  }

  /* ---------- HOW IT WORKS ---------- */
  .steps{margin-top:56px; display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
  .step{border-top:2px solid var(--navy-800); padding-top:20px;}
  .step .num{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--teal-glow); margin-bottom:10px;}
  .step h4{font-family:'Space Grotesk',sans-serif; font-size:17px; font-weight:700; margin-bottom:8px;}
  .step p{font-size:14px; color:var(--ink-soft);}

  /* ---------- ABOUT ---------- */
  .about{background:var(--navy-800); color:#fff;}
  .about .section-label{color:var(--teal-300);}
  .about-grid{margin-top:44px; display:grid; grid-template-columns:1fr 1.4fr; gap:56px; align-items:start;}
  .about-photo{
    aspect-ratio:1/1; border-radius:20px; background:linear-gradient(150deg, var(--teal-glow), var(--navy-700));
    display:flex; align-items:center; justify-content:center; font-family:'Space Grotesk',sans-serif; font-size:48px; font-weight:700; color:var(--teal-300);
  }
  .about p{color:rgba(255,255,255,0.72); font-size:16px; margin-bottom:16px; max-width:540px;}
  .about strong{color:#fff; font-weight:600;}
  .about-loc{
    margin-top:20px; display:flex; align-items:center; gap:8px; font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--teal-300);
  }

  /* ---------- ROADMAP / EMAIL ---------- */
  .roadmap-wrap{display:grid; grid-template-columns:1fr 1fr; gap:60px; margin-top:44px; align-items:start;}
  .roadmap-list{display:flex; flex-direction:column; gap:18px;}
  .roadmap-item{display:flex; gap:14px; align-items:flex-start; padding:16px 0; border-bottom:1px solid rgba(11,30,58,0.08);}
  .roadmap-item .status{
    font-family:'IBM Plex Mono',monospace; font-size:10px; padding:3px 8px; border-radius:5px; white-space:nowrap; margin-top:2px;
  }
  .status.live{background:rgba(59,214,198,0.15); color:var(--teal-glow);}
  .status.soon{background:rgba(11,30,58,0.08); color:var(--ink-soft);}
  .roadmap-item h5{font-size:15px; font-weight:600;}
  .roadmap-item p{font-size:13px; color:var(--ink-soft); margin-top:2px;}

  .email-card{background:#fff; border:1px solid rgba(11,30,58,0.1); border-radius:18px; padding:36px;}
  .email-card h4{font-family:'Space Grotesk',sans-serif; font-size:20px; font-weight:700; margin-bottom:10px;}
  .email-card p{font-size:14px; color:var(--ink-soft); margin-bottom:22px;}
  .email-row{display:flex; gap:10px;}
  .email-row input{
    flex:1; padding:13px 16px; border-radius:8px; border:1px solid rgba(11,30,58,0.16);
    font-family:'Inter',sans-serif; font-size:14px; background:var(--paper);
  }
  .email-row input:focus{outline:2px solid var(--teal-500); outline-offset:1px;}
  .email-row button{
    background:var(--navy-800); color:#fff; border:none; padding:0 22px; border-radius:8px;
    font-weight:600; font-size:14px; cursor:pointer;
  }
  .email-fine{font-size:12px; color:var(--ink-soft); margin-top:12px;}

  /* ---------- FOOTER ---------- */
  footer{background:var(--navy-900); color:rgba(255,255,255,0.5); padding:44px 0;}
  footer .wrap{display:flex; justify-content:space-between; align-items:center; font-size:13px;}
  footer .brand{color:#fff; font-size:15px;}

  @media (max-width:820px){
    .release-card, .about-grid, .roadmap-wrap{grid-template-columns:1fr;}
    .steps, .persona-grid, .tier-grid{grid-template-columns:1fr;}
    .arc-signature{display:none;}
    .navlinks{display:none;}
  }

  .lang-switch{
    display:flex; align-items:center; gap:2px; background:rgba(11,30,58,0.06);
    border-radius:20px; padding:3px; margin-right:8px;
  }
  .lang-switch button{
    border:none; background:transparent; padding:6px 14px; border-radius:16px;
    font-family:'Inter',sans-serif; font-size:13px; font-weight:600; color:var(--ink-soft); cursor:pointer;
  }
  .lang-switch button.active{background:var(--navy-800); color:#fff;}
  .nav-right{display:flex; align-items:center;}