/* ============================================================
   SENTIENT SYSTEMS LLC — site stylesheet
   Design concept: Gulf Coast storm resilience + a watch-light/
   beacon motif. Dark "storm navy" with a warm "beacon amber"
   signal color, condensed display type for structure (nav,
   headlines, eyebrows) paired with a calm body face.
   ============================================================ */

:root{
  /* color */
  --navy:        #10202E;
  --navy-deep:   #081119;
  --blue:        #1080D0;
  --blue-deep:   #0C5E9E;
  --blue-bright: #4AA3E8;
  --slate:       #44606E;
  --fog:         #F3F5F2;
  --paper:       #FFFFFF;
  --ink:         #161B1F;
  --ink-soft:    #4A5560;
  --line:        rgba(255,255,255,.14);
  --line-soft:   rgba(16,32,46,.12);

  /* type */
  --f-display: "Oswald", "Arial Narrow", sans-serif;
  --f-body:    "Inter", -apple-system, Segoe UI, sans-serif;
  --f-mono:    "IBM Plex Mono", "Courier New", monospace;

  /* layout */
  --max: 1180px;
  --radius: 6px;
}

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0 0 .5em; font-family:var(--f-display); font-weight:600; letter-spacing:.01em; line-height:1.12; }
p{ margin:0 0 1em; }
button{ font-family:inherit; cursor:pointer; }
.container{ width:100%; max-width:var(--max); margin:0 auto; padding:0 24px; }

:focus-visible{ outline:3px solid var(--blue); outline-offset:2px; border-radius:2px; }

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- type helpers ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--blue-bright);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:1em;
}
.eyebrow::before{
  content:"";
  width:18px; height:1px;
  background:var(--blue-bright);
  display:inline-block;
}
.eyebrow.on-light{ color:var(--blue-deep); }
.eyebrow.on-light::before{ background:var(--blue-deep); }

h1{ font-size:clamp(2.1rem, 4.4vw, 3.4rem); text-transform:uppercase; }
h2{ font-size:clamp(1.6rem, 3vw, 2.3rem); text-transform:uppercase; }
h3{ font-size:1.15rem; }
.lede{ font-size:1.1rem; color:var(--ink-soft); max-width:640px; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.55em;
  font-family:var(--f-display);
  text-transform:uppercase; letter-spacing:.04em;
  font-size:.92rem; font-weight:600;
  padding:.85em 1.5em;
  border-radius:var(--radius);
  border:1.5px solid transparent;
  transition:transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-1px); }
.btn-amber{ background:var(--blue); color:#fff; }
.btn-amber:hover{ background:var(--blue-deep); }
.btn-outline-light{ border-color:rgba(243,245,242,.45); color:var(--fog); }
.btn-outline-light:hover{ border-color:var(--blue); color:var(--blue); }
.btn-outline-dark{ border-color:var(--line-soft); color:var(--ink); }
.btn-outline-dark:hover{ border-color:var(--navy); color:var(--navy); }
.btn-block{ width:100%; justify-content:center; }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line-soft);
  box-shadow:0 1px 12px rgba(16,32,46,.05);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.logo{ display:flex; align-items:center; gap:.6em; color:var(--navy); }
.logo img{ height:42px; width:auto; display:block; }
.logo svg{ flex:none; }
.logo-text{ font-family:var(--f-display); font-size:1.05rem; letter-spacing:.05em; text-transform:uppercase; line-height:1.1; }
.logo-text small{ display:block; font-family:var(--f-mono); font-size:.6rem; color:var(--blue); letter-spacing:.18em; }

.main-nav{ display:flex; align-items:center; gap:1.55em; }
.main-nav a{
  font-family:var(--f-display); font-size:.86rem; letter-spacing:.04em;
  text-transform:uppercase; color:var(--navy); opacity:.78;
  padding:.3em 0; border-bottom:2px solid transparent; white-space:nowrap;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ opacity:1; border-color:var(--blue); }

.header-cta{ display:flex; align-items:center; gap:.9em; }
.header-phone{ font-family:var(--f-mono); color:var(--navy); font-size:.88rem; display:flex; align-items:center; gap:.5em; white-space:nowrap; }
.header-phone svg{ color:var(--blue); }

.nav-toggle{
  display:none; background:none; border:1px solid var(--line-soft); color:var(--navy);
  width:42px; height:42px; border-radius:var(--radius); align-items:center; justify-content:center;
}
.nav-toggle svg{ pointer-events:none; }

@media (max-width:1080px){
  .main-nav{
    position:absolute; top:78px; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--line-soft);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:.5em 24px 1.2em; transform-origin:top;
    display:none;
    box-shadow:0 12px 18px rgba(16,32,46,.08);
  }
  .main-nav.open{ display:flex; }
  .main-nav a{ width:100%; padding:.7em 0; border-bottom:1px solid var(--line-soft); }
  .header-phone span{ display:none; }
  .nav-toggle{ display:flex; }
  .header-cta .btn{ display:none; }
}

/* ---------- hero / beacon ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:radial-gradient(ellipse 80% 60% at 50% -10%, var(--navy) 0%, var(--navy-deep) 75%);
  color:var(--fog);
  padding:clamp(72px,12vw,128px) 0 clamp(56px,9vw,96px);
}
.beacon-sweep{
  position:absolute; top:46%; left:50%;
  width:1500px; height:1500px;
  transform:translate(-50%,-50%);
  background:conic-gradient(from 0deg, transparent 0deg, rgba(74,163,232,.22) 10deg, transparent 36deg, transparent 360deg);
  animation:sweep 10s linear infinite;
  pointer-events:none;
}
@keyframes sweep{ to{ transform:translate(-50%,-50%) rotate(360deg); } }
.radar-rings{ position:absolute; inset:0; opacity:.10; pointer-events:none; }
.hero-inner{ position:relative; z-index:2; max-width:760px; }
.hero p.lede{ color:rgba(243,245,242,.78); }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:1em; margin:1.8em 0 2.2em; }
.trust-row{
  display:flex; flex-wrap:wrap; gap:1.6em 2.2em;
  font-family:var(--f-mono); font-size:.82rem; color:rgba(243,245,242,.85);
  border-top:1px solid var(--line); padding-top:1.4em;
}
.trust-row strong{ color:var(--blue-bright); }
.trust-row .item{ display:flex; align-items:center; gap:.55em; }

/* ---------- page hero (simpler, for sub-pages) ---------- */
.page-hero{
  background:var(--navy); color:var(--fog);
  padding:clamp(56px,9vw,90px) 0 clamp(40px,6vw,64px);
  position:relative; overflow:hidden;
}
.page-hero .container{ position:relative; z-index:2; max-width:760px; }

/* ---------- storm band ---------- */
.storm-band{ background:var(--navy-deep); color:var(--fog); padding:60px 0; }
.storm-band .head{ max-width:620px; margin-bottom:2.2em; }
.storm-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2em; }
.storm-card{ border-top:2px solid var(--blue-bright); padding-top:1.2em; }
.storm-card svg{ color:var(--blue-bright); margin-bottom:.7em; }
.storm-card h3{ color:var(--fog); text-transform:uppercase; font-family:var(--f-display); letter-spacing:.02em; }
.storm-card p{ color:rgba(243,245,242,.72); font-size:.95rem; margin:0; }
@media (max-width:760px){ .storm-grid{ grid-template-columns:1fr; gap:1.8em; } }

/* ---------- generic sections ---------- */
.section{ padding:clamp(56px,8vw,96px) 0; }
.section.on-fog{ background:var(--fog); }
.section-head{ max-width:680px; margin-bottom:2.4em; }
.section-head.center{ margin-inline:auto; text-align:center; }

/* ---------- services grid ---------- */
.svc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.4em; }
.svc-card{
  background:var(--paper); border:1px solid var(--line-soft); border-radius:var(--radius);
  padding:1.6em 1.4em; transition:border-color .15s ease, transform .15s ease;
}
.svc-card:hover{ border-color:var(--blue); transform:translateY(-2px); }
.svc-card svg{ color:var(--navy); margin-bottom:.9em; }
.svc-card h3{ font-size:1.02rem; text-transform:uppercase; margin-bottom:.4em; }
.svc-card p{ font-size:.92rem; color:var(--ink-soft); margin:0; }
.svc-card .tag{ display:inline-block; margin-top:.8em; font-family:var(--f-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--slate); }
@media (max-width:980px){ .svc-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .svc-grid{ grid-template-columns:1fr; } }

/* ---------- why-local split ---------- */
.split{ display:grid; grid-template-columns:280px 1fr; gap:3em; align-items:start; }
.signature-avatar{
  width:200px; height:200px; border-radius:50%;
  background:linear-gradient(155deg, var(--navy), var(--slate));
  color:var(--fog); font-family:var(--f-display); font-size:4.2rem;
  display:flex; align-items:center; justify-content:center;
  border:3px solid var(--blue);
}
.split .quote{
  font-family:var(--f-display); font-size:1.3rem; text-transform:none;
  color:var(--navy); max-width:520px; margin-bottom:.9em; line-height:1.3;
}
.split ul.checks{ margin-top:1.4em; display:grid; gap:.7em; }
.split ul.checks li{ display:flex; gap:.7em; align-items:flex-start; color:var(--ink-soft); font-size:.95rem; }
.split ul.checks svg{ flex:none; margin-top:3px; color:var(--blue-deep); }
@media (max-width:760px){ .split{ grid-template-columns:1fr; } .signature-avatar{ width:120px; height:120px; font-size:2.6rem; } }

/* ---------- testimonials ---------- */
.testi-band{ background:var(--navy); color:var(--fog); padding:clamp(56px,8vw,96px) 0; }
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4em; margin-top:2em; }
.testi-card{
  background:rgba(243,245,242,.04); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.6em; display:flex; flex-direction:column; gap:1em;
}
.testi-card .stars{ color:var(--blue-bright); font-family:var(--f-mono); letter-spacing:.1em; }
.testi-card p{ margin:0; color:rgba(243,245,242,.85); font-size:.95rem; flex:1; }
.testi-card .who{ font-family:var(--f-mono); font-size:.78rem; color:rgba(243,245,242,.55); }
.testi-cta{ margin-top:2.2em; display:flex; flex-wrap:wrap; gap:1em; align-items:center; justify-content:space-between; border-top:1px solid var(--line); padding-top:1.6em; }
@media (max-width:900px){ .testi-grid{ grid-template-columns:1fr; } }

/* ---------- process steps ---------- */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:2em; }
.step{ position:relative; padding-top:2.6em; border-top:1px solid var(--line-soft); }
.step .num{ position:absolute; top:-.15em; left:0; font-family:var(--f-mono); font-size:.85rem; color:var(--blue-deep); }
@media (max-width:760px){ .steps{ grid-template-columns:1fr; } }

/* ---------- area list ---------- */
.area-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.2em; }
.area-card{ border:1px solid var(--line-soft); border-radius:var(--radius); padding:1.4em; }
.area-card h3{ text-transform:uppercase; margin-bottom:.3em; }
.area-card p{ color:var(--ink-soft); font-size:.9rem; margin:0; }
@media (max-width:760px){ .area-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .area-grid{ grid-template-columns:1fr; } }

/* ---------- final CTA band ---------- */
.cta-band{ background:var(--blue); color:#fff; padding:56px 0; }
.cta-band .container{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1.6em; }
.cta-band h2{ margin:0; font-size:clamp(1.4rem,2.6vw,2rem); }
.cta-band .actions{ display:flex; gap:1em; flex-wrap:wrap; }
.cta-band .btn-amber{ background:var(--navy-deep); color:var(--fog); }
.cta-band .btn-amber:hover{ background:var(--navy); }
.cta-band .btn-outline-light{ border-color:rgba(255,255,255,.6); color:#fff; }
.cta-band .btn-outline-light:hover{ border-color:#fff; color:#fff; background:rgba(255,255,255,.1); }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:3em; }
.contact-info-card{ background:var(--navy); color:var(--fog); border-radius:var(--radius); padding:2em; }
.contact-info-card .eyebrow{ color:var(--blue-bright); }
.contact-info-card .row{ display:flex; gap:.8em; align-items:flex-start; padding:.9em 0; border-top:1px solid var(--line); font-size:.95rem; }
.contact-info-card .row:first-of-type{ border-top:none; }
.contact-info-card svg{ flex:none; color:var(--blue-bright); margin-top:2px; }
.map-embed{ border:0; width:100%; height:220px; border-radius:var(--radius); margin-top:1.4em; filter:grayscale(.15); }

form.lead-form{ display:grid; gap:1.1em; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:1.1em; }
label{ display:block; font-family:var(--f-mono); font-size:.74rem; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:.45em; }
input, select, textarea{
  width:100%; font-family:var(--f-body); font-size:.96rem; color:var(--ink);
  border:1.5px solid var(--line-soft); border-radius:var(--radius); padding:.75em .85em;
  background:var(--paper);
}
input:focus, select:focus, textarea:focus{ border-color:var(--blue-deep); }
fieldset{ border:1.5px solid var(--line-soft); border-radius:var(--radius); padding:1em 1.1em; }
fieldset legend{ font-family:var(--f-mono); font-size:.74rem; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); padding:0 .3em; }
.radio-row{ display:flex; gap:1.6em; margin-top:.4em; }
.radio-row label{ display:flex; align-items:center; gap:.5em; font-family:var(--f-body); text-transform:none; letter-spacing:0; font-size:.95rem; color:var(--ink); }
.radio-row input{ width:auto; }
#form-note{ font-size:.85rem; color:var(--ink-soft); margin-top:.4em; }
#form-status{ font-size:.9rem; padding:.8em 1em; border-radius:var(--radius); display:none; }
#form-status.ok{ display:block; background:#e7f4ec; color:#1f5e34; }
#form-status.err{ display:block; background:#fbe9e7; color:#8a2d1f; }

@media (max-width:880px){ .contact-grid{ grid-template-columns:1fr; } .field-row{ grid-template-columns:1fr; } }

/* ---------- footer ---------- */
.site-footer{ background:var(--navy-deep); color:rgba(243,245,242,.7); padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:2.6em; }
.footer-grid h4{ font-family:var(--f-mono); font-size:.74rem; letter-spacing:.1em; text-transform:uppercase; color:var(--blue-bright); margin-bottom:1em; }
.footer-grid p, .footer-grid a{ font-size:.9rem; color:rgba(243,245,242,.7); }
.footer-grid ul{ display:grid; gap:.6em; }
.footer-grid a:hover{ color:var(--blue-bright); }
.footer-bottom{
  margin-top:3em; padding-top:1.6em; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:1em; justify-content:space-between;
  font-size:.8rem; color:rgba(243,245,242,.45);
}
@media (max-width:880px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:540px){ .footer-grid{ grid-template-columns:1fr; } }

/* ---------- reveal-on-scroll ---------- */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- misc page furniture ---------- */
.badge-row{ display:flex; gap:.8em; flex-wrap:wrap; margin-top:1.2em; }
.badge{
  display:flex; align-items:center; gap:.5em; font-family:var(--f-mono); font-size:.74rem;
  letter-spacing:.05em; text-transform:uppercase; padding:.55em .9em; border:1px solid var(--line-soft);
  border-radius:var(--radius); color:var(--ink-soft);
}
hr.rule{ border:0; border-top:1px solid var(--line-soft); margin:2.6em 0; }