/* OnGroundOps: main stylesheet. Plain CSS, no build step. */

:root{
  --accent:#D97706;          /* change here to restyle every accent (alt: #EAB308, #2563EB) */
  --navy:#0F172A;
  --navy-2:#1E293B;
  --navy-3:#0B1220;
  --bg:#F8FAFC;
  --white:#FFFFFF;
  --line:#CBD5E1;
  --line-soft:#E2E8F0;
  --line-dark:#334155;
  --text:#0F172A;
  --muted:#334155;
  --on-dark:#CBD5E1;
  --dim:#94A3B8;
  --amber-text:#B45309;
  --font-display:'Barlow Condensed',sans-serif;
  --font-body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.6;-webkit-text-size-adjust:100%}
h1,h2,h3,p,ul{margin:0}
img,svg{max-width:100%}
button,input,textarea{font-family:inherit}
input:focus,textarea:focus,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #2563EB;outline-offset:2px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--navy);padding:12px 20px;font-weight:600;z-index:100;text-decoration:none}
.skip-link:focus{left:0}

/* ---------- Layout helpers ---------- */
.container{max-width:1200px;margin:0 auto;padding:clamp(56px,8vw,96px) 24px;display:flex;flex-direction:column;gap:48px}
.container--narrow{max-width:900px;gap:40px}
.section--light{background:var(--bg)}
.section--white{background:var(--white);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section--dark{background:var(--navy);color:#F8FAFC}
.section-head{display:flex;flex-direction:column;gap:12px;max-width:760px}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--amber-text)}
.eyebrow--accent{color:var(--accent)}
.h2{font-family:var(--font-display);font-weight:700;font-size:clamp(34px,5vw,52px);line-height:1.05;text-transform:uppercase}
.lede{font-size:19px;color:var(--muted)}
.lede strong{font-weight:600;color:var(--text)}
.row{display:flex;flex-wrap:wrap;gap:24px}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--accent);color:var(--navy);text-decoration:none;font-weight:600;font-size:15px;padding:12px 20px;border:0;cursor:pointer;text-align:center}
.btn:hover{filter:brightness(1.08);color:var(--navy)}
.btn--lg{font-size:17px;padding:16px 28px}
.btn--md{font-size:16px;padding:14px 24px}
.btn--ghost{background:transparent;color:#F8FAFC;border:2px solid #64748B;padding:14px 28px}
.btn--ghost:hover{color:#fff;border-color:#94A3B8;filter:none}
.btn--outline{background:transparent;color:var(--navy);border:2px solid var(--navy);padding:12px 24px}
.btn--outline:hover{background:var(--navy);color:#fff;filter:none}
.btn--block{width:100%;min-height:48px}
.btn[disabled]{opacity:.6;cursor:wait}

/* ---------- Header ---------- */
.site-header{background:var(--navy);border-bottom:1px solid var(--line-dark)}
.site-header__inner{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;flex-direction:column;line-height:1;text-decoration:none}
.brand__name{font-family:var(--font-display);font-weight:700;font-size:26px;letter-spacing:.04em;color:#F8FAFC;text-transform:uppercase}
.brand__sub{font-family:var(--font-display);font-weight:600;font-size:14px;letter-spacing:.28em;color:var(--accent);text-transform:uppercase;margin-top:4px}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px}
.nav a:not(.btn){color:var(--on-dark);text-decoration:none;font-size:15px;font-weight:500;padding:10px 0}
.nav a:not(.btn):hover{color:#fff}

/* ---------- Hero ---------- */
.hero{background:var(--navy);color:#F8FAFC;position:relative}
.hero__inner{max-width:1200px;margin:0 auto;padding:clamp(56px,8vw,96px) 24px clamp(56px,7vw,88px);display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.hero__copy{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:28px}
.badge{display:inline-flex;align-self:flex-start;align-items:center;gap:10px;border:1px solid #475569;padding:8px 16px;font-size:14px;font-weight:500;color:#E2E8F0;letter-spacing:.02em}
.badge svg{flex:none}
.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(44px,8vw,84px);line-height:.98;letter-spacing:-.01em;text-transform:uppercase}
.hero__lede{font-size:20px;line-height:1.55;color:var(--on-dark);max-width:620px}
.hero__lede strong{color:#F8FAFC;font-weight:600}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px}
.trust{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14px;color:var(--dim);border-top:1px solid var(--line-dark);padding-top:20px}
.hero__panel{flex:1 1 340px;min-width:0}
.report{background:var(--navy-2);border:1px solid var(--line-dark);padding:clamp(24px,3vw,32px);display:flex;flex-direction:column;gap:20px}
.report__head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.report__head span:last-child{color:var(--accent)}
.report__rows{display:flex;flex-direction:column}
.report__row{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line-dark);font-size:15px}
.report__row:last-child{border-bottom:1px solid var(--line-dark)}
.report__row span:first-child{color:var(--on-dark)}
.report__row span:last-child{color:#F8FAFC;font-weight:600;text-align:right}
.report__note{font-size:13px;color:var(--dim)}

/* ---------- Cards ---------- */
.card{flex:1 1 300px;min-width:0;background:var(--white);border:1px solid var(--line);padding:clamp(24px,3vw,32px);display:flex;flex-direction:column;gap:14px}
.card h3{font-size:21px;font-weight:600}
.card p{color:var(--muted)}
.card svg{flex:none}
.card--service{flex-basis:480px;background:var(--bg);border-top:4px solid var(--navy);padding:clamp(24px,3vw,36px)}
.card--service h3{font-size:23px}

/* ---------- Case study ---------- */
.case{background:var(--navy-2);border:1px solid var(--line-dark);display:flex;flex-direction:column}
.case__project{padding:clamp(24px,4vw,40px);border-bottom:1px solid var(--line-dark);display:flex;flex-direction:column;gap:6px}
.case__label{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.case__label--accent{color:var(--accent)}
.case__title{font-family:var(--font-display);font-weight:700;font-size:clamp(28px,4vw,40px);line-height:1.1;text-transform:uppercase;color:#F8FAFC}
.case__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;background:var(--line-dark)}
.case__col{background:var(--navy-2);padding:clamp(24px,4vw,40px);display:flex;flex-direction:column;gap:10px}
.case__col--value{background:var(--navy-3)}
.case__col p{color:var(--on-dark)}
.case__col--value p{color:#F8FAFC}

/* ---------- Process ---------- */
.step{flex:1 1 300px;min-width:0;border-top:4px solid var(--accent);background:var(--white);border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(24px,3vw,32px);display:flex;flex-direction:column;gap:12px}
.step__num{font-family:var(--font-display);font-weight:700;font-size:56px;line-height:1;color:var(--navy)}
.step h3{font-size:21px;font-weight:600}
.step p{color:var(--muted)}

/* ---------- Engagement ---------- */
.plan{flex:1 1 480px;min-width:0;padding:clamp(24px,4vw,40px);display:flex;flex-direction:column;gap:18px}
.plan--featured{background:var(--navy);color:#F8FAFC;border:2px solid var(--accent)}
.plan--basic{background:var(--bg);border:2px solid var(--line)}
.plan__tag{align-self:flex-start;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:6px 0;color:var(--muted)}
.plan--featured .plan__tag{background:var(--accent);color:var(--navy);padding:6px 12px}
.plan h3{font-family:var(--font-display);font-weight:700;font-size:clamp(28px,3.4vw,36px);text-transform:uppercase}
.plan > p{color:var(--muted)}
.plan--featured > p{color:var(--on-dark)}
.plan ul{padding:0 0 0 20px;display:flex;flex-direction:column;gap:8px;color:var(--muted)}
.plan--featured ul{color:#E2E8F0}
.plan__cta{margin-top:auto;padding-top:12px}

/* ---------- FAQ (native <details>, works without JavaScript) ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:44px;padding:24px 0}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:28px;line-height:1;color:var(--amber-text);flex:none}
.faq-item[open] summary::after{content:"\2212"}
.faq-item summary h3{font-size:19px;font-weight:600;color:var(--text)}
.faq-item__a{padding:0 48px 24px 0;color:var(--muted);font-size:17px}

/* ---------- Contact ---------- */
.contact__inner{max-width:1200px;margin:0 auto;padding:clamp(56px,8vw,96px) 24px;display:flex;flex-wrap:wrap;gap:56px}
.contact__copy{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:24px;align-items:flex-start}
.contact__copy h2{font-family:var(--font-display);font-weight:700;font-size:clamp(36px,5.5vw,56px);line-height:1.02;text-transform:uppercase}
.contact__copy p{font-size:18px;color:var(--on-dark)}
.contact__copy p strong{font-weight:600;color:#F8FAFC}
.form{flex:1 1 440px;min-width:0;background:var(--navy-2);border:1px solid var(--line-dark);padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:6px;flex:1 1 200px;min-width:0}
.field label{font-size:14px;font-weight:600;color:#E2E8F0}
.field input,.field textarea{width:100%;min-height:48px;padding:12px 14px;font-size:16px;background:var(--bg);color:var(--text);border:1px solid var(--dim);border-radius:0}
.field textarea{resize:vertical}
.field-row{display:flex;flex-wrap:wrap;gap:18px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__status{font-size:15px;min-height:1.5em}
.form__status.is-success{color:#86EFAC}
.form__status.is-error{color:#FCA5A5}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-3);color:var(--dim);border-top:1px solid var(--navy-2)}
.site-footer__inner{max-width:1200px;margin:0 auto;padding:32px 24px;display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between;font-size:14px}
.site-footer__group{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center}
.site-footer a{color:var(--on-dark);padding:10px 0}
.site-footer a:hover{color:#fff}
.site-footer .social{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0}

/* ---------- 404 ---------- */
.notfound{max-width:720px;margin:0 auto;padding:96px 24px;display:flex;flex-direction:column;gap:24px;align-items:flex-start}
.notfound h1{font-family:var(--font-display);font-weight:700;font-size:clamp(44px,8vw,72px);line-height:1;text-transform:uppercase}
.notfound p{font-size:19px;color:var(--muted)}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}