/* ===== PhaseLink — draft styles =====
   Brand colours are PLACEHOLDERS: swap them here only. */
:root{
  /* Brand colours sampled from the PhaseLink logo (assets/PhaseLink-Logo.*) */
  --brand-navy:#002862;       /* logo "Phase" navy: headings, body accents */
  --brand-green:#02c66c;      /* logo "Link" green: primary accent, buttons */
  --brand-teal:#058080;       /* midpoint of the logo badge gradient */
  --badge-navy:#00296f;       /* badge gradient start (bottom-left) */
  --badge-green:#05d472;      /* badge gradient end (top-right) */
  /* Derived shades */
  --brand-ink:#001a40;        /* darker logo navy for dark sections */
  --brand-ink-2:#002457;      /* raised dark surface */
  --brand-primary:var(--brand-green);
  --brand-primary-hover:#2bd986;
  --brand-primary-dark:#007a3d;  /* green dark enough for text on white (AA) */
  --brand-danger:#ef6a5b;     /* data-viz only (peak demand) */
  --ph-colour:#f6b928;        /* placeholder highlighter, not a brand colour */
  --text:#13213a;
  --text-muted:#56637a;
  --text-on-dark:#e8eef6;
  --text-on-dark-muted:#a9b8cf;
  --surface:#ffffff;
  --surface-alt:#f2f6f9;
  --border:#dce4ee;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,26,64,.10);
  --font:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --maxw:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--surface);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--brand-primary-dark)}
a:hover{color:var(--brand-ink)}
:focus-visible{outline:3px solid var(--brand-green);outline-offset:3px;border-radius:4px}
h1,h2,h3{line-height:1.2;color:var(--brand-navy);margin:0 0 .6em;letter-spacing:-.015em}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--brand-green);color:var(--brand-ink);padding:10px 16px;border-radius:8px;z-index:100;font-weight:700}
.skip-link:focus{left:8px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-primary-dark);margin-bottom:.8rem}
.section{padding:88px 0}
.section.alt{background:var(--surface-alt)}
.section.dark{background:var(--brand-ink);color:var(--text-on-dark)}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark .eyebrow{color:var(--brand-primary)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head p{color:var(--text-muted);font-size:1.08rem}
.section.dark .section-head p{color:var(--text-on-dark-muted)}

/* Placeholder marker */
.ph{background:repeating-linear-gradient(45deg,rgba(246,185,40,.20) 0 6px,rgba(246,185,40,.08) 6px 12px);border:1px dashed #c9900a;border-radius:6px;padding:0 .35em;color:inherit}
.ph-tag{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--ph-colour);color:var(--brand-ink);border-radius:999px;padding:2px 8px;vertical-align:middle;margin-left:6px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;text-decoration:none;border-radius:10px;padding:14px 22px;border:2px solid transparent;transition:transform .15s,background .15s,color .15s;font-size:1rem}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand-primary);color:var(--brand-ink)}
.btn-primary:hover{background:var(--brand-primary-hover);color:var(--brand-ink)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(0,26,64,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.wordmark{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.3rem;letter-spacing:-.02em}
.wordmark:hover{color:#fff}
.wordmark img{height:38px;width:auto}
.nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0;align-items:center}
.nav-links a{color:var(--text-on-dark-muted);text-decoration:none;font-weight:600;font-size:.95rem}
.nav-links a:hover{color:#fff}
.nav-links .btn{padding:9px 16px;color:var(--brand-ink)}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:8px 10px;cursor:pointer}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--brand-ink);padding:8px 24px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:12px 0}
  .nav-links .btn{display:inline-flex;margin-top:8px;padding:10px 16px}
}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(2,198,108,.26),transparent 60%),radial-gradient(700px 400px at -10% 110%,rgba(5,128,128,.30),transparent 60%),var(--brand-ink);color:var(--text-on-dark);padding:80px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--brand-primary)}
.hero .lead{font-size:1.18rem;color:var(--text-on-dark-muted);max-width:560px}
.hero .tagline{font-size:1.25rem;font-weight:700;color:#fff;margin:-.2rem 0 1rem;padding-left:14px;border-left:3px solid var(--brand-green)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0;color:var(--text-on-dark);font-weight:600;font-size:.95rem}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points svg{width:18px;height:18px;color:var(--brand-primary)}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}.hero{padding:56px 0 72px}}

/* Dashboard mockup */
.mock{background:#00204d;border:1px solid rgba(255,255,255,.1);border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.45);padding:16px;color:var(--text-on-dark);font-size:.82rem}
.mock-bar{display:flex;align-items:center;gap:6px;margin-bottom:12px}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:#2b3b55;display:block}
.mock-bar strong{margin-left:10px;font-weight:600;color:var(--text-on-dark-muted);font-size:.78rem}
.mock-bar .live{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--brand-primary);font-weight:700;font-size:.72rem;letter-spacing:.06em}
.mock-bar .live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-primary);box-shadow:0 0 0 0 rgba(2,198,108,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(2,198,108,0)}100%{box-shadow:0 0 0 0 rgba(2,198,108,0)}}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}
.kpi{background:#132540;border-radius:10px;padding:10px}
.kpi small{display:block;color:var(--text-on-dark-muted);font-size:.68rem;text-transform:uppercase;letter-spacing:.06em}
.kpi b{font-size:1.05rem;color:#fff}
.kpi .bar{height:4px;border-radius:4px;margin-top:8px;background:#22344f;overflow:hidden}
.kpi .bar span{display:block;height:100%}
.mock-panels{display:grid;grid-template-columns:1.6fr 1fr;gap:10px}
.panel{background:#132540;border-radius:10px;padding:10px}
.panel h4{margin:0 0 6px;font-size:.72rem;color:var(--text-on-dark-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.cats{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.cats li{display:grid;grid-template-columns:76px 1fr;align-items:center;gap:8px;font-size:.72rem;color:var(--text-on-dark-muted)}
.cats .track{height:7px;background:#22344f;border-radius:6px;overflow:hidden}
.cats .track span{display:block;height:100%;border-radius:6px;background:var(--brand-primary)}
.mock-note{margin:10px 0 0;font-size:.7rem;color:#7d8ca3;text-align:right}
@media (max-width:520px){.kpis{grid-template-columns:repeat(2,1fr)}.mock-panels{grid-template-columns:1fr}}

/* Cards / grids */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:0 1px 2px rgba(11,22,38,.04)}
.card p{color:var(--text-muted);margin:0}
.card ul{color:var(--text-muted);padding-left:1.1em;margin:.6em 0 0}
.card ul li{margin:.25em 0}
.icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(2,198,108,.12);color:var(--brand-primary-dark);margin-bottom:16px}
.icon svg{width:24px;height:24px}
.audience .card{padding:32px}
.audience .tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:var(--brand-ink);color:#fff;margin-bottom:14px}
.audience .tag.sec{background:var(--surface-alt);color:var(--brand-ink);border:1px solid var(--border)}

/* NCC */
.ncc-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){.ncc-grid{grid-template-columns:1fr;gap:36px}}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.chips li{display:flex;align-items:center;gap:8px;background:#132540;border:1px solid rgba(255,255,255,.1);color:#fff;border-radius:999px;padding:8px 14px;font-weight:600;font-size:.92rem}
.chips li::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--c,var(--brand-primary))}
.checklist{list-style:none;padding:0;margin:1.2em 0 0}
.checklist li{position:relative;padding-left:30px;margin:.6em 0;color:var(--text-on-dark)}
.checklist li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--brand-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23001a40' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.disclaimer{font-size:.85rem;color:var(--text-on-dark-muted);margin-top:1.4em;border-left:3px solid var(--brand-green);padding-left:12px}

/* Steps */
.steps{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.steps{grid-template-columns:1fr}}
.steps li{counter-increment:step;position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px 24px}
.steps li::before{content:counter(step,decimal-leading-zero);display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--brand-ink);color:var(--brand-primary);font-weight:800;margin-bottom:14px}
.steps p{color:var(--text-muted);margin:0}
.flow{margin:0 auto 44px;max-width:900px}

/* Why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:960px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.why-grid{grid-template-columns:1fr}}
.why{border-top:4px solid var(--brand-green)}
.why.alt2{border-top-color:var(--brand-navy)}

/* Roadmap */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:960px){.roadmap{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.roadmap{grid-template-columns:1fr}}
.roadmap .card{background:#132540;border-color:rgba(255,255,255,.1)}
.roadmap .card p{color:var(--text-on-dark-muted)}
.soon{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-ink);background:var(--brand-green);border-radius:999px;padding:3px 10px;margin-bottom:14px}

/* Pricing placeholder */
.pricing-ph{text-align:center;border:2px dashed #c9900a;background:rgba(246,185,40,.07);border-radius:var(--radius);padding:40px 24px}
.pricing-ph p{color:var(--text-muted);max-width:620px;margin:0 auto 1em}

/* FAQ */
.faq{max-width:860px}
.faq details{border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 22px;font-weight:700;color:var(--brand-ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--brand-primary-dark);font-weight:600}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 22px 18px;color:var(--text-muted)}
.faq details>div p:last-child{margin:0}

/* Contact */
.contact{background:linear-gradient(135deg,var(--brand-ink),var(--brand-ink-2));color:var(--text-on-dark);border-radius:22px;padding:52px;display:grid;grid-template-columns:1fr 1.25fr;gap:48px;align-items:start}
.contact h2{color:#fff}
.contact p{color:var(--text-on-dark-muted)}
.contact dl{margin:28px 0 0;display:grid;gap:16px}
.contact dt{font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--brand-primary)}
.contact dd{margin:2px 0 0;color:#fff}
.contact dd a{color:#fff;text-decoration-color:var(--brand-green);text-underline-offset:3px}
.contact dd a:hover{color:var(--brand-green)}
@media (max-width:860px){.contact{grid-template-columns:1fr;padding:36px 24px}}

/* Footer */
.site-footer{background:var(--brand-ink);color:var(--text-on-dark-muted);padding:40px 0;font-size:.9rem;margin-top:88px}
.footer-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}
.site-footer a{color:var(--text-on-dark-muted)}
.site-footer .ph{color:var(--text-on-dark)}
.kpi b{white-space:nowrap;font-size:clamp(.85rem,1.4vw,1.05rem)}
.flow-v{display:none;margin:0 auto 36px;width:100%;max-width:320px}
@media (max-width:640px){.flow{display:none}.flow-v{display:block}}
.mock-bar img{width:16px;height:16px;margin-left:8px}
.mock-bar img+strong{margin-left:6px}
.footer-logo{height:30px;width:auto}
.footer-brand{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* Enquiry form */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.enquiry{background:var(--surface);color:var(--text);border-radius:16px;padding:32px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.enquiry h3{margin-bottom:.2em}
.form-note{font-size:.85rem;color:var(--text-muted);margin-bottom:18px}
.field{margin-bottom:16px;display:flex;flex-direction:column}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media (max-width:560px){.field-row{grid-template-columns:1fr}.enquiry{padding:24px 20px}}
.field label{font-weight:600;font-size:.92rem;color:var(--brand-navy);margin-bottom:6px}
.req{color:#c0392b}
.opt{font-weight:400;color:var(--text-muted)}
.field input,.field textarea{font:inherit;font-size:1rem;color:var(--text);background:#fff;border:1.5px solid #c3cedb;border-radius:10px;padding:11px 13px;width:100%;transition:border-color .15s,box-shadow .15s}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-primary-dark);box-shadow:0 0 0 3px rgba(2,198,108,.3)}
.field [aria-invalid="true"]{border-color:#c0392b;box-shadow:0 0 0 3px rgba(192,57,43,.15)}
.err{color:#b02a1c;font-size:.85rem;margin:6px 0 0;min-height:0}
.err:empty{display:none}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.enquiry .btn{border:0;cursor:pointer;width:100%;justify-content:center;margin-top:4px}
.enquiry .btn[disabled]{opacity:.65;cursor:progress;transform:none}
.form-status{border-radius:10px;padding:12px 14px;margin-bottom:18px;font-size:.95rem;font-weight:500}
.form-status:focus{outline:none}
.form-status.success{background:#e6f9ef;border:1px solid #7fdcab;color:#0b5a32}
.form-status.error{background:#fdecea;border:1px solid #f2a59b;color:#8a1f12}
.form-status.info{background:#eef4fb;border:1px solid #b9cde6;color:var(--brand-navy)}