/* ============================================================
   Sentinel — Landing site design system
   Dark command-center aesthetic · lime radar · electric purple.
   Built on the app's V4 tokens, scaled for marketing.
   ============================================================ */

:root{
  /* Ink / surfaces */
  --ink:#0A0A0A; --ink-soft:#101013; --ink-2:#4A4A4A; --ink-3:#888888;
  --card:#FFFFFF; --recess:#F4F4F4; --border:#E5E5E5;
  --on-dark:#FFFFFF; --on-dark-2:rgba(255,255,255,0.64); --on-dark-3:rgba(255,255,255,0.34);
  --line-dark:rgba(255,255,255,0.09); --line-dark-2:rgba(255,255,255,0.14);
  /* Accents */
  --lime:#C8FF3D; --lime-2:#B4EA28; --lime-tint:rgba(200,255,61,0.16);
  --purple:#7C5CFF; --purple-2:#6244E8; --purple-tint:rgba(124,92,255,0.16);
  --pos:#00C896; --pos-tint:rgba(0,200,150,0.14);
  --warn:#FFB020; --warn-tint:rgba(255,176,32,0.14);
  --neg:#FF5555; --neg-tint:rgba(255,85,85,0.12);
  /* Type */
  --sans:'Inter',-apple-system,system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  /* Layout */
  --wrap:1200px; --gutter:clamp(20px,5vw,64px);
  --r-card:16px; --r-pill:999px;
  --ease:cubic-bezier(.16,1,.3,1);
  --shadow-lg:0 24px 60px -18px rgba(10,10,10,.28),0 8px 24px -12px rgba(10,10,10,.14);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0; font-family:var(--sans); background:var(--ink); color:var(--on-dark);
  font-size:17px; line-height:1.6; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;color:inherit;border:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.licon{flex:none}

/* ---- type ---- */
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.03em;line-height:1.04}
.h1{font-size:clamp(2.6rem,7vw,5.75rem)}
.h2{font-size:clamp(2rem,4.4vw,3.5rem);letter-spacing:-.025em;line-height:1.06}
.h3{font-size:clamp(1.3rem,2.4vw,1.9rem);letter-spacing:-.02em}
.deck{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--on-dark-2);line-height:1.55;max-width:42ch}
.mono{font-family:var(--mono);font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.grad-text{background:linear-gradient(120deg,#fff 30%,var(--purple) 75%,var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}
.lime-text{color:var(--lime)}

/* ---- layout primitives ---- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{position:relative;padding-block:clamp(80px,12vh,150px);scroll-margin-top:84px}
.hero,[id]{scroll-margin-top:84px}
.section--tight{padding-block:clamp(56px,8vh,96px)}
.section.dark{background:var(--ink);color:var(--on-dark)}
.section.darker{background:#070708;color:var(--on-dark)}
.section.light{background:var(--card);color:var(--ink)}
.section.light .deck{color:var(--ink-2)}
.section__head{max-width:640px;margin-bottom:clamp(40px,6vh,72px)}
.section__head--center{margin-inline:auto;text-align:center}
.section__head .deck{margin-top:18px}

/* eyebrow */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px}
.eyebrow__num{color:var(--purple)}
.eyebrow--lime .eyebrow__num{color:var(--lime-2)}
.section.dark .eyebrow--lime .eyebrow__num,.section.darker .eyebrow .eyebrow__num{color:var(--lime)}
.eyebrow__sep{opacity:.4}
.eyebrow__label{opacity:.85}
.section.light .eyebrow__label{color:var(--ink-2)}

/* ---- glows + grain ---- */
.glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;pointer-events:none;z-index:0}
.glow--purple{background:radial-gradient(circle,var(--purple),transparent 70%)}
.glow--lime{background:radial-gradient(circle,var(--lime),transparent 70%)}
.grain::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.035;z-index:1;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.section>.wrap{position:relative;z-index:2}

/* ---- buttons ---- */
.cta{display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:var(--r-pill);font-weight:600;font-size:15px;letter-spacing:-.01em;transition:transform .25s var(--ease),background .2s,box-shadow .3s,color .2s;will-change:transform;position:relative}
.cta--primary{background:var(--purple);color:#fff;box-shadow:0 8px 28px -6px rgba(124,92,255,.55)}
.cta--primary:hover{background:var(--purple-2);box-shadow:0 12px 38px -6px rgba(124,92,255,.7)}
.cta--lime{background:var(--lime);color:#0A0A0A;box-shadow:0 8px 28px -8px rgba(200,255,61,.5)}
.cta--lime:hover{background:var(--lime-2)}
.cta--ghost{background:transparent;color:var(--on-dark);border:1px solid var(--line-dark-2)}
.cta--ghost:hover{background:rgba(255,255,255,.06);border-color:var(--on-dark-3)}
.section.light .cta--ghost{color:var(--ink);border-color:var(--border)}
.section.light .cta--ghost:hover{background:var(--recess)}
.cta__arrow{display:inline-flex;transition:transform .25s var(--ease)}
.cta:hover .cta__arrow{transform:translateX(4px)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* badges + chips */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:var(--r-pill);font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;line-height:1.6}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge--lime{color:var(--lime);background:var(--lime-tint)}
.badge--purple{color:var(--purple);background:var(--purple-tint)}
.badge--pos{color:var(--pos);background:var(--pos-tint)}
.badge--warn{color:#a96f00;background:var(--warn-tint)}
.badge--neg{color:var(--neg);background:var(--neg-tint)}
.section.dark .badge--warn,.section.darker .badge--warn{color:var(--warn)}
.badge--live{color:var(--lime);background:var(--lime-tint)}
.badge--live::before{animation:pulse 1.8s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}

/* ---- reveal animation ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.07s}.reveal[data-d="2"]{transition-delay:.14s}
.reveal[data-d="3"]{transition-delay:.21s}.reveal[data-d="4"]{transition-delay:.28s}
.reveal[data-d="5"]{transition-delay:.35s}.reveal[data-d="6"]{transition-delay:.42s}

/* ============================================================ NAV */
.nav{position:fixed;inset:0 0 auto 0;z-index:80;transition:background .3s,backdrop-filter .3s,border-color .3s,transform .35s var(--ease)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.nav.is-scrolled{background:rgba(10,10,10,.82);backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--line-dark)}
.nav.is-hidden{transform:translateY(-100%)}
.brand{display:flex;align-items:center;gap:11px;color:#fff}
.brand__name{font-weight:700;font-size:18px;letter-spacing:-.02em}
.brand__ver{font-family:var(--mono);font-size:9px;font-weight:600;letter-spacing:.18em;color:var(--lime);text-transform:uppercase;opacity:.8;margin-left:2px}
.nav__links{display:flex;gap:30px}
.nav__links a{font-size:14.5px;color:var(--on-dark-2);transition:color .2s;position:relative}
.nav__links a:hover{color:#fff}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;background:var(--lime);transition:right .3s var(--ease)}
.nav__links a:hover::after{right:0}
.nav__right{display:flex;align-items:center;gap:18px}
.nav__signin{font-size:14.5px;color:var(--on-dark-2)}
.nav__signin:hover{color:#fff}
.kbd{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:11px;color:var(--on-dark-3);border:1px solid var(--line-dark);border-radius:7px;padding:5px 8px;transition:border-color .2s,color .2s}
.kbd:hover{color:var(--on-dark);border-color:var(--line-dark-2)}
.nav__burger{display:none;background:none;border:0;color:#fff;padding:6px}
.nav__right .cta{padding:10px 18px;font-size:14px}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:90;background:rgba(8,8,9,.98);backdrop-filter:blur(8px);display:flex;flex-direction:column;padding:24px var(--gutter);transform:translateY(-100%);transition:transform .45s var(--ease);visibility:hidden}
.mobile-menu.is-open{transform:none;visibility:visible}
.mobile-menu__top{display:flex;justify-content:space-between;align-items:center;height:48px}
.mobile-menu__links{margin-top:40px;display:flex;flex-direction:column;gap:6px}
.mobile-menu__links a{font-size:clamp(1.8rem,9vw,2.6rem);font-weight:700;letter-spacing:-.03em;padding:8px 0;color:#fff;opacity:0;transform:translateY(14px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.mobile-menu.is-open .mobile-menu__links a{opacity:1;transform:none}
.mobile-menu.is-open .mobile-menu__links a:nth-child(1){transition-delay:.08s}
.mobile-menu.is-open .mobile-menu__links a:nth-child(2){transition-delay:.13s}
.mobile-menu.is-open .mobile-menu__links a:nth-child(3){transition-delay:.18s}
.mobile-menu.is-open .mobile-menu__links a:nth-child(4){transition-delay:.23s}
.mobile-menu.is-open .mobile-menu__links a:nth-child(5){transition-delay:.28s}
.mobile-menu__foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}

/* ============================================================ HERO */
.hero{position:relative;padding-top:clamp(120px,18vh,200px);padding-bottom:clamp(60px,10vh,120px);overflow:hidden;background:var(--ink)}
.hero .glow--purple{width:680px;height:680px;top:-220px;left:-180px;opacity:.4}
.hero .glow--lime{width:520px;height:520px;bottom:-260px;right:-120px;opacity:.22}
.hero__rings{position:absolute;inset:0;background-image:radial-gradient(circle at 70% 32%,var(--line-dark) 1px,transparent 1px);background-size:46px 46px;mask:radial-gradient(circle at 70% 32%,#000,transparent 60%);opacity:.5;z-index:1}
.hero__grid{position:relative;z-index:3;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero__copy{max-width:560px}
.hero__h1{margin:16px 0 22px}
.hero__h1 .ln{display:block;overflow:hidden}
.hero__h1 .ln>span{display:block;transform:translateY(105%);transition:transform .9s var(--ease)}
.hero.is-ready .hero__h1 .ln>span{transform:none}
.hero.is-ready .hero__h1 .ln:nth-child(2)>span{transition-delay:.08s}
.hero__deck{margin-bottom:30px}
.hero__trust{margin-top:26px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--on-dark-3);display:flex;flex-wrap:wrap;gap:8px 16px}
.hero__trust b{color:var(--lime);font-weight:600}
.hero__visual{position:relative;z-index:3}

/* hero marquee */
.marquee{margin-top:clamp(48px,8vh,96px);position:relative;z-index:3;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:16px 0;overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;gap:36px;width:max-content;animation:marquee 38s linear infinite;font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--on-dark-3);text-transform:uppercase}
.marquee__track span{display:inline-flex;gap:36px;align-items:center}
.marquee__track span::after{content:"●";color:var(--lime);font-size:7px;opacity:.6}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============================================================ LOGOS */
.logos{text-align:center}
.logos__line{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--on-dark-3);text-transform:uppercase;margin-bottom:28px}
.logos__line b{color:#fff}
.logos__row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 28px}
.logos__chip{font-weight:700;font-size:clamp(15px,2vw,20px);letter-spacing:-.01em;color:var(--on-dark-2);opacity:.55;transition:opacity .25s,color .25s;padding:6px 4px}
.logos__chip:hover{opacity:1;color:#fff}

/* ============================================================ PROBLEM */
.problem__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.chaos{position:relative;min-height:320px;display:grid;place-items:center}
.chaos__chip{position:absolute;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--ink-3);background:var(--card);border:1px solid var(--border);border-radius:10px;padding:9px 13px;box-shadow:var(--shadow-lg);transition:transform .9s var(--ease),opacity .6s}
.chaos.is-in .chaos__chip{transform:translate(0,0) rotate(0) !important;opacity:.4}
.chaos__core{width:128px;height:128px;border-radius:24px;background:var(--ink);display:grid;place-items:center;color:var(--lime);box-shadow:var(--shadow-lg);position:relative;z-index:2;opacity:0;transform:scale(.6);transition:opacity .6s .5s,transform .7s .5s var(--ease)}
.chaos.is-in .chaos__core{opacity:1;transform:scale(1)}

/* ============================================================ MODULE SECTIONS */
.module__grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,5vw,80px);align-items:center}
.module--flip .module__grid{direction:rtl}
.module--flip .module__grid>*{direction:ltr}
.module__copy{max-width:480px}
.module__title{margin:14px 0 18px}
.feats{margin-top:28px;display:flex;flex-direction:column;gap:4px}
.feat{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line-dark)}
.section.light .feat{border-color:var(--border)}
.feat:first-child{border-top:0}
.feat__icon{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--purple-tint);color:var(--purple);flex:none}
.feat__title{display:block;font-weight:600;font-size:15.5px}
.feat__desc{display:block;font-size:14.5px;color:var(--on-dark-2);margin-top:2px}
.section.light .feat__desc{color:var(--ink-2)}
.module__cta{margin-top:28px}

/* ============================================================ AI NATIVE */
.ai__rail{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:24px}
.ai__card{background:rgba(255,255,255,.03);border:1px solid var(--line-dark);border-radius:14px;padding:20px;position:relative;overflow:hidden}
.ai__card h3{font-size:16px;margin-bottom:8px}
.ai__card p{font-size:14px;color:var(--on-dark-2);margin:0}
.ai__card .badge{margin-bottom:14px}
.ai__type{font-family:var(--mono);font-size:12.5px;color:var(--lime);margin-top:12px;min-height:1.2em}
.ai__cursor{display:inline-block;width:7px;height:1em;background:var(--lime);vertical-align:-2px;animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}}

/* ============================================================ SHOWCASE */
.showcase__tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:30px}
.showcase__tab{font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:9px 16px;border-radius:var(--r-pill);border:1px solid var(--line-dark);background:transparent;color:var(--on-dark-2);transition:all .2s}
.showcase__tab:hover{color:#fff;border-color:var(--line-dark-2)}
.showcase__tab.is-active{background:var(--purple);color:#fff;border-color:var(--purple)}
.showcase__stage{position:relative;min-height:200px}
.showcase__panel{display:none}
.showcase__panel.is-active{display:block;animation:fadeUp .5s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.showcase__foot{text-align:center;margin-top:34px;color:var(--on-dark-2)}

/* ============================================================ METRICS */
.metrics__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:28px;text-align:center}
.metric__val{font-size:clamp(2.6rem,6vw,4.4rem);font-weight:700;letter-spacing:-.04em;line-height:1;color:#fff}
.metric__val .u{color:var(--lime)}
.metric__label{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-3);margin-top:12px}
.metric__rule{width:36px;height:3px;background:var(--lime);border-radius:2px;margin:14px auto 0}

/* ============================================================ TESTIMONIALS */
.quotes{display:grid;gap:24px;grid-template-columns:1fr}
.quote{font-size:clamp(1.4rem,2.8vw,2.1rem);font-weight:500;letter-spacing:-.02em;line-height:1.3}
.quote__mark{color:var(--lime);font-family:var(--mono)}
.quote__by{display:block;margin-top:20px;font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--on-dark-3);font-weight:600}
.quote__by b{color:#fff}

/* ============================================================ SECURITY */
.trust__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-top:20px}
.trust__col{padding:24px;border:1px solid var(--line-dark);border-radius:14px;background:rgba(255,255,255,.02)}
.trust__col .feat__icon{margin-bottom:14px;background:var(--lime-tint);color:var(--lime)}
.trust__col h3{font-size:17px;margin-bottom:8px}
.trust__col p{font-size:14.5px;color:var(--on-dark-2);margin:0}

/* ============================================================ TOUR */
.tour{position:relative;overflow:hidden}
.tour .glow--purple{width:620px;height:620px;top:-180px;left:50%;transform:translateX(-50%);opacity:.3}
.tour__grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.7fr);gap:clamp(28px,5vw,64px);align-items:start;position:relative;z-index:3}
.tour__form{background:rgba(255,255,255,.03);border:1px solid var(--line-dark);border-radius:20px;padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-lg)}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-3)}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;background:rgba(255,255,255,.04);border:1px solid var(--line-dark-2);border-radius:11px;color:#fff;font-family:var(--sans);font-size:15px;transition:border-color .2s,background .2s}
.field input::placeholder,.field textarea::placeholder{color:var(--on-dark-3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--purple);background:rgba(124,92,255,.08)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:var(--neg)}
.field textarea{resize:vertical;min-height:84px}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.field__err{color:var(--neg);font-size:12.5px;min-height:1em;font-family:var(--mono)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-toggle{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:9px 14px;border-radius:var(--r-pill);border:1px solid var(--line-dark-2);background:transparent;color:var(--on-dark-2);transition:all .2s}
.chip-toggle[aria-pressed="true"]{background:var(--lime);color:#0A0A0A;border-color:var(--lime)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.tour__submit{width:100%;justify-content:center;margin-top:6px;padding:16px}
.tour__reassure{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:var(--on-dark-3);text-align:center;margin-top:14px}
.tour__success{display:none;text-align:center;padding:30px 10px}
.tour__success.is-shown{display:block;animation:fadeUp .5s var(--ease)}
.tour__success .check{width:64px;height:64px;border-radius:50%;background:var(--lime-tint);color:var(--lime);display:grid;place-items:center;margin:0 auto 20px}
.tour__aside h3{font-size:14px;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--on-dark-3);margin-bottom:16px}
.tour__aside ul{display:flex;flex-direction:column;gap:14px}
.tour__aside li{display:flex;gap:12px;font-size:15px;color:var(--on-dark-2);align-items:flex-start}
.tour__aside li svg{color:var(--lime);flex:none;margin-top:2px}
.tour__privacy{font-size:12.5px;color:var(--on-dark-3);margin-top:16px}

/* ============================================================ FAQ */
.faq__list{max-width:760px;margin-inline:auto;border-top:1px solid var(--border)}
.section.dark .faq__list{border-color:var(--line-dark)}
.faq__item{border-bottom:1px solid var(--border)}
.section.dark .faq__item{border-color:var(--line-dark)}
.faq__q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;background:none;border:0;padding:22px 4px;text-align:left;font-size:clamp(1.05rem,2vw,1.3rem);font-weight:600;color:inherit;letter-spacing:-.01em}
.faq__icon{flex:none;width:24px;height:24px;position:relative;transition:transform .3s var(--ease)}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--purple);border-radius:2px;inset:0;margin:auto}
.faq__icon::before{width:14px;height:2px}.faq__icon::after{width:2px;height:14px;transition:transform .3s var(--ease)}
.faq__item.is-open .faq__icon::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq__a-inner{padding:0 4px 24px;color:var(--ink-2);max-width:62ch;font-size:16px;line-height:1.6}
.section.dark .faq__a-inner{color:var(--on-dark-2)}

/* ============================================================ CTA FINAL */
.final{position:relative;text-align:center;overflow:hidden;padding-block:clamp(90px,15vh,170px)}
.final .glow--purple{width:760px;height:760px;top:50%;left:50%;transform:translate(-50%,-50%);opacity:.32}
.final__mark{position:absolute;inset:0;display:grid;place-items:center;color:var(--line-dark);z-index:1;opacity:.6}
.final__mark svg{width:min(70vw,560px);height:auto}
.final__inner{position:relative;z-index:3}
.final__h{font-size:clamp(2.2rem,5.5vw,4.4rem);max-width:18ch;margin:0 auto 30px}
.final__sub{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-3);margin-top:24px}

/* ============================================================ FOOTER */
.footer{background:#070708;border-top:1px solid var(--line-dark);padding-block:64px 40px}
.footer__grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:40px 24px}
.footer__brand .deck{font-size:14px;margin-top:16px;max-width:30ch;color:var(--on-dark-3)}
.footer h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-3);margin:0 0 16px}
.footer__col a{display:block;font-size:14.5px;color:var(--on-dark-2);padding:5px 0;transition:color .2s}
.footer__col a:hover{color:#fff}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line-dark);font-size:13px;color:var(--on-dark-3)}

/* ============================================================ COMMAND PALETTE (⌘K) */
.cmdk{position:fixed;inset:0;z-index:120;display:none;align-items:flex-start;justify-content:center;padding-top:14vh;background:rgba(5,5,6,.6);backdrop-filter:blur(6px)}
.cmdk.is-open{display:flex;animation:fadeUp .25s var(--ease)}
.cmdk__box{width:min(560px,92vw);background:#121214;border:1px solid var(--line-dark-2);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}
.cmdk__input{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line-dark)}
.cmdk__input input{flex:1;background:none;border:0;color:#fff;font-size:17px;outline:none}
.cmdk__input svg{color:var(--on-dark-3)}
.cmdk__list{max-height:340px;overflow:auto;padding:8px}
.cmdk__item{display:flex;align-items:center;gap:12px;width:100%;background:none;border:0;color:var(--on-dark-2);padding:11px 12px;border-radius:9px;text-align:left;font-size:15px}
.cmdk__item:hover,.cmdk__item.is-active{background:rgba(124,92,255,.16);color:#fff}
.cmdk__item svg{color:var(--purple)}
.cmdk__hint{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--on-dark-3)}

/* ============================================================ RESPONSIVE */
@media (max-width:1024px){
  .footer__grid{grid-template-columns:1fr 1fr 1fr}
  .footer__brand{grid-column:1/-1}
}
/* Nav → hamburger early (≤1024) so foldables/tablets never cram the full
   nav. Separate from the layout breakpoint below so the hero/modules keep
   their 2-col layout down to 900. */
@media (max-width:1024px){
  .nav__links,.nav__signin,.nav .kbd{display:none}
  .nav__burger{display:block}
  .nav__inner{gap:10px}
  .nav__right{gap:8px;flex:none}
  .nav__right .cta{padding:9px 14px;font-size:13px;white-space:nowrap}
  .brand{flex:none;min-width:0}
}
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__visual{order:2}
  .problem__grid,.module__grid{grid-template-columns:1fr;gap:36px}
  .module--flip .module__grid{direction:ltr}
  .tour__grid{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .field--row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  /* stack hero/section CTAs full-width — but NOT the compact nav CTA */
  .cta-row .cta{width:100%;justify-content:center}
  .cta-row{flex-direction:column;align-items:stretch}
  /* phones: drop the redundant nav CTA — just logo + hamburger (the menu has Book a tour) */
  .nav__right .cta{display:none}
  .hero__trust{justify-content:center}
}

/* ============================================================ REDUCED MOTION */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .hero__h1 .ln>span{transform:none}
  .marquee__track{animation:none}
  .badge--live::before{animation:none}
}