/* =========================================================
   AeroNex AI — shared site styles (light theme)
   Used by index.html, products.html and contact.html.
   The Maintenance Agent landing page keeps its own copy of
   these styles inside the file, so it stays self-contained.
   ========================================================= */
:root{
  --ground:#FFFFFF; --deep:#F5F7FB; --raised:#FFFFFF; --raised-2:#F8FAFD;
  --line:#E2E8F2; --line-soft:#EDF1F7;
  --text:#0B1B3A; --muted:#4A5872; --faint:#7C8AA5;
  --orange:#EA580C; --orange-soft:#C2410C;
  --blue:#2563EB; --blue-soft:#1D4ED8;
  --green:#16A34A; --green-soft:#15803D;
  --purple:#7C3AED; --purple-soft:#6D28D9;
  --bad:#DC2626;
  --display:"Bricolage Grotesque", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --body:"Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter:clamp(16px,4vw,40px);
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--text);font:400 18px/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.08;text-wrap:balance;margin:0}
p{margin:0}
.wrap{max-width:1140px;margin-inline:auto;padding-inline:var(--gutter)}
.narrow{max-width:760px}
.lede{color:var(--muted);font-size:clamp(18px,1.7vw,21px);max-width:60ch}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.center{text-align:center}
section{padding-block:clamp(64px,8vw,110px)}
.alt{background:var(--deep);border-block:1px solid var(--line)}
.head{display:grid;gap:18px;margin-bottom:clamp(36px,5vw,56px)}
.head.center{justify-items:center;margin-inline:auto;text-align:center}
.head h2{font-size:clamp(32px,4.4vw,52px);font-weight:800}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--orange-soft)}
.kicker::before{content:"";width:18px;height:18px;flex:none;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop offset='0' stop-color='%2360C5FA'/%3E%3Cstop offset='.5' stop-color='%23818CF8'/%3E%3Cstop offset='1' stop-color='%23C084FC'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath fill='url(%23g)' d='M9.5 5C10.7 8.2 11.8 9.3 15 10.5 11.8 11.7 10.7 12.8 9.5 16 8.3 12.8 7.2 11.7 4 10.5 7.2 9.3 8.3 8.2 9.5 5ZM18.5 2.6c.5 1.4 1 1.9 2.4 2.4-1.4.5-1.9 1-2.4 2.4-.5-1.4-1-1.9-2.4-2.4 1.4-.5 1.9-1 2.4-2.4ZM19 13.9c.4 1.2.8 1.6 2 2-1.2.4-1.6.8-2 2-.4-1.2-.8-1.6-2-2 1.2-.4 1.6-.8 2-2Z'/%3E%3C/svg%3E")}
.ai{background:linear-gradient(95deg,#EA580C 0%,#DB2777 35%,#6366F1 68%,#2563EB 100%);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:inherit}
.pill{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:600;color:var(--green-soft);background:rgba(22,163,74,.09);border:1px solid rgba(22,163,74,.28);padding:7px 14px;border-radius:99px}
.pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.6)}70%{box-shadow:0 0 0 8px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 17px/1 var(--body);text-decoration:none;padding:17px 26px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 26px -12px rgba(234,88,12,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(234,88,12,.7)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:#F1F5F9}
.btn svg{width:18px;height:18px}

/* nav */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;line-height:1}
.brand-logo{height:30px;width:auto}
.brand-div{width:1px;height:26px;background:var(--line);flex:none}
.brand-product{font:700 13px/1.15 var(--body);letter-spacing:.02em;color:var(--muted);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:8px;font-size:16px}
.nav-links a{position:relative;text-decoration:none;color:var(--muted);padding:10px 14px;border-radius:10px}
.nav-links a:hover{color:var(--text);background:#F1F5F9}
.nav-links a[aria-current="page"]{color:var(--text);font-weight:600}
.nav .btn{padding:12px 18px;font-size:15px}
.nav-links>.btn{display:none}
.has-menu{position:relative}
.has-menu>button{display:inline-flex;align-items:center;gap:7px;font:400 16px/1 var(--body);color:var(--muted);background:none;border:0;padding:10px 14px;border-radius:10px;cursor:pointer}
.has-menu>button:hover{color:var(--text);background:#F1F5F9}
.has-menu>button::after{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .2s}
.has-menu[data-open="1"]>button{color:var(--text);background:#F1F5F9}
.has-menu[data-open="1"]>button::after{transform:translateY(1px) rotate(-135deg)}
.submenu{position:absolute;top:calc(100% + 10px);left:0;min-width:320px;padding:10px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 24px 50px -24px rgba(16,24,40,.35);display:none}
.has-menu[data-open="1"] .submenu{display:block}
.submenu::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
.submenu a{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:12px;text-decoration:none;color:var(--text)}
.submenu a:hover{background:#F5F8FD}
.submenu .si{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(234,88,12,.12);color:var(--orange)}
.submenu .si svg{width:20px;height:20px}
.submenu b{display:block;font:600 16px/1.3 var(--body)}
.submenu span{font-size:14px;color:var(--muted);line-height:1.4}
.navtoggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;position:relative}
.navtoggle span,.navtoggle span::before,.navtoggle span::after{position:absolute;left:12px;width:20px;height:2px;border-radius:2px;background:var(--text);content:"";transition:transform .2s,opacity .2s}
.navtoggle span{top:21px}
.navtoggle span::before{top:-6px;left:0}
.navtoggle span::after{top:6px;left:0}
.navtoggle[aria-expanded="true"] span{background:transparent}
.navtoggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.navtoggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
@media (max-width:960px){
  .navtoggle{display:block}
  .nav .btn.nav-cta{display:none}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:14px var(--gutter) 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 40px -30px rgba(16,24,40,.4);display:none}
  .nav-links.open{display:flex}
  .nav-links a,.has-menu>button{width:100%;padding:14px 12px;font-size:17px}
  .has-menu{position:static}
  .submenu{position:static;min-width:0;box-shadow:none;border:0;padding:0 0 0 10px;display:block}
  .submenu::before{display:none}
  .nav-links>.btn{display:inline-flex;margin-top:8px;width:100%}
}
@media (max-width:520px){.brand-div,.brand-product{display:none}.brand-logo{height:26px}}

/* hero */
.hero{position:relative;padding-block:clamp(48px,7vw,86px) clamp(40px,6vw,72px);isolation:isolate}
.hero::before{content:"";position:absolute;inset:-90px 0 auto;height:640px;z-index:-1;background:radial-gradient(520px 340px at 22% 18%,rgba(249,115,22,.10),transparent 70%),radial-gradient(560px 380px at 78% 8%,rgba(59,130,246,.12),transparent 70%)}
.hero h1{font-size:clamp(36px,5vw,62px);font-weight:800;letter-spacing:-.04em;line-height:1.03;margin:22px 0}
.hero.center h1{margin-inline:auto;max-width:18ch}
.hero.center .lede{margin-inline:auto}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero.center .cta-row{justify-content:center}
.cta-note{margin-top:14px;font-size:14.5px;color:var(--faint)}
.ticks{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:15px;color:var(--muted)}
.hero.center .ticks{justify-content:center}
.ticks span{display:inline-flex;align-items:center;gap:8px}
.ticks svg{width:18px;height:18px;color:var(--green)}

/* cards + grids */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:20px;padding:30px;background:var(--raised);display:flex;flex-direction:column;gap:14px;box-shadow:0 1px 2px rgba(16,24,40,.04),0 16px 34px -24px rgba(16,24,40,.35);transition:transform .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-4px)}
.card h3{font-size:22px}
.card p{color:var(--muted);font-size:16.5px}
.card .icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center}
.card .icon svg{width:26px;height:26px}
.i-o{background:rgba(234,88,12,.12);color:var(--orange)}
.i-b{background:rgba(37,99,235,.12);color:var(--blue)}
.i-g{background:rgba(22,163,74,.12);color:var(--green)}
.i-p{background:rgba(124,58,237,.12);color:var(--purple)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:13px;font-weight:600;color:var(--muted);padding:6px 11px;border-radius:99px;background:#F8FAFC;border:1px solid var(--line)}
.list{list-style:none;padding:0;margin:0;display:grid;gap:12px;font-size:16.5px}
.list li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
.list li b{color:var(--text)}
.list svg{flex:none;width:22px;height:22px;color:var(--green);margin-top:2px}
.note{font-size:14.5px;color:var(--faint)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{position:relative;padding:30px;border-radius:20px;background:var(--raised);border:1px solid var(--line);display:grid;gap:12px;align-content:start;box-shadow:0 1px 2px rgba(16,24,40,.04),0 16px 34px -24px rgba(16,24,40,.35)}
.step .n{counter-increment:s;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font:800 18px/1 var(--display);background:var(--text);color:#fff}
.step .n::before{content:counter(s)}
.step h3{font-size:22px}
.step p{color:var(--muted);font-size:16.5px}
@media (max-width:900px){.steps{grid-template-columns:1fr}}

/* product feature block */
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center;padding:clamp(26px,3.6vw,44px);border-radius:26px;background:linear-gradient(160deg,rgba(37,99,235,.08),#FFFFFF 60%);border:1px solid var(--line);box-shadow:0 1px 2px rgba(16,24,40,.04),0 26px 60px -40px rgba(16,24,40,.45)}
.feature h3{font-size:clamp(26px,3vw,34px);margin-bottom:12px}
.feature p{color:var(--muted);font-size:17px}
.bots{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.bots figure{margin:0;display:grid;justify-items:center;gap:6px;padding:12px 6px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.bots img{width:100%;max-width:120px;border-radius:12px}
.bots b{font:700 15px/1 var(--display)}
.bots span{font-size:11.5px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
@media (max-width:860px){.feature{grid-template-columns:1fr}}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stats div{padding:22px 24px;border-radius:18px;background:#fff;border:1px solid var(--line);display:grid;gap:6px}
.stats b{font:800 34px/1 var(--display);letter-spacing:-.03em}
.stats span{color:var(--muted);font-size:15px}
@media (max-width:760px){.stats{grid-template-columns:1fr}}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3.4vw,44px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form{padding:clamp(24px,3.4vw,38px);border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 1px 2px rgba(16,24,40,.04),0 26px 60px -40px rgba(16,24,40,.45);display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font:600 15px/1.3 var(--body)}
.field input,.field select,.field textarea{font:400 16px/1.5 var(--body);color:var(--text);background:#FBFCFE;border:1px solid var(--line);border-radius:12px;padding:14px 15px;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:1px;background:#fff}
.field textarea{min-height:150px;resize:vertical}
.field .hint{font-size:13.5px;color:var(--faint)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:560px){.two{grid-template-columns:1fr}}
.form-msg{padding:14px 16px;border-radius:14px;font-size:15px;display:none}
.form-msg.ok{display:block;background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.3);color:#14532D}
.form-msg.err{display:block;background:rgba(220,38,38,.08);border:1px solid rgba(220,38,38,.3);color:#7F1D1D}
.setup-chip{display:inline-flex;align-items:center;gap:8px;font:700 11.5px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:#B45309;background:rgba(251,191,36,.16);border:1px dashed rgba(180,83,9,.45);padding:7px 10px;border-radius:99px}
.info{display:grid;gap:14px}
.info-item{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.info-item .ic{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center}
.info-item .ic svg{width:20px;height:20px}
.info-item b{display:block;font-size:16.5px}
.info-item span,.info-item a{font-size:15px;color:var(--muted);text-decoration:none}
.info-item a:hover{color:var(--text);text-decoration:underline}

/* faq */
.faq{max-width:820px;margin-inline:auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 0;font:600 18.5px/1.35 var(--body)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:no-repeat center/14px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 3v10M3 8h10' stroke='%230B1B3A' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:22px;font-size:17px;max-width:64ch}

/* closing cta */
.final{text-align:center;border-radius:28px;padding:clamp(44px,6vw,80px) clamp(20px,5vw,60px);background:radial-gradient(520px 320px at 15% 0%,rgba(249,115,22,.16),transparent 70%),radial-gradient(520px 320px at 85% 100%,rgba(59,130,246,.16),transparent 70%),#FFFFFF;border:1px solid var(--line);display:grid;gap:20px;justify-items:center;box-shadow:0 1px 2px rgba(16,24,40,.04),0 26px 60px -40px rgba(16,24,40,.45)}
.final h2{font-size:clamp(32px,4.6vw,54px);font-weight:800;max-width:20ch}

/* footer */
footer{background:var(--deep);border-top:1px solid var(--line);padding-block:clamp(40px,5vw,64px) 40px;color:var(--muted);font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font:700 13px/1 var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:0 0 14px}
.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot-links a{text-decoration:none}
.foot-links a:hover{color:var(--text);text-decoration:underline}
.foot-tag{margin-top:14px;max-width:34ch}
.foot-tag em{display:block;font-style:normal;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-top:8px}
.foot-bottom{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:14px;color:var(--faint)}

.reveal{transition:transform .8s cubic-bezier(.2,.8,.2,1),opacity .8s}
.js .reveal.pending{transform:translateY(20px);opacity:.001}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}.js .reveal.pending{transform:none;opacity:1}}