/* ============================================================
   TRENCHES — shared shell for interior pages (v5)
   Mirrors the v4 homepage design system: light Trenches-blue
   environment, deep navy bands, #033ca4 accent, serif display.
   ============================================================ */

:root{
  --sky:       #9bcdfd;
  --sky-hi:    #c0dffe;
  --blue:      #033ca4;
  --blue-mid:  #2d63d8;
  --navy:      #061634;
  --navy-2:    #0a1f4a;
  --line-dark: rgba(155,205,253,.16);
  --line-lite: rgba(6,22,52,.22);
  --ink:       #0a1c40;
  --ink-dim:   #34507e;
  --on-dark:   #eef4fd;
  --on-dark-dim:#b4c5e6;
  --on-dark-mute:#7f95c2;
  --gutter:    clamp(24px, 5vw, 72px);
  --radius:    12px;
  --font-sans: "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", "Palatino Linotype", serif;
  --speed: 180ms;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ transition-duration:.01ms !important; animation-duration:.01ms !important; }
}

body{
  background:
    radial-gradient(90% 40% at 15% 30%, rgba(255,255,255,.35), transparent 70%),
    radial-gradient(80% 50% at 90% 70%, rgba(255,255,255,.22), transparent 70%),
    linear-gradient(180deg, var(--sky-hi) 0%, var(--sky) 26%, #8ec5fb 100%);
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; text-decoration:none; }
img,svg{ display:block; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
::selection{ background:rgba(3,60,164,.85); color:#fff; }
:focus-visible{ outline:2px solid var(--blue); outline-offset:3px; border-radius:4px; }
.band :focus-visible, footer :focus-visible{ outline-color:var(--sky); }

/* ---------- top bar ---------- */
.topbar{
  position:fixed; inset:0 0 auto 0; z-index:40;
  display:flex; align-items:center; gap:22px;
  padding:0 var(--gutter); height:80px;
  background:linear-gradient(to bottom, rgba(4,12,30,.9), rgba(4,12,30,.45) 75%, transparent);
  transition:background var(--speed) ease;
}
.topbar.is-scrolled{
  background:rgba(5,15,38,.97);
  border-bottom:1px solid var(--line-dark);
  backdrop-filter:blur(10px);
}
.brand{ display:flex; align-items:center; }
.brand img{ height:32px; width:auto; }
footer .brand img{ height:22px; }

.topnav{ display:flex; gap:14px; margin-left:auto; }
.topnav a{
  font-size:12px; letter-spacing:.07em; text-transform:uppercase;
  color:var(--on-dark-dim); padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:color var(--speed) ease, border-color var(--speed) ease;
}
.topnav a:hover, .topnav a:focus-visible{ color:#fff; border-color:var(--sky); }
.topnav a[aria-current="page"]{ color:var(--sky); border-color:var(--blue-mid); }

.phone{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600; letter-spacing:.05em;
  color:var(--sky); white-space:nowrap;
  transition:color var(--speed) ease;
}
.phone svg{ width:15px; height:15px; }
.phone:hover, .phone:focus-visible{ color:#fff; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-size:13.5px; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  padding:13px 26px; border-radius:6px;
  transition:transform var(--speed) ease, box-shadow var(--speed) ease,
             background var(--speed) ease, border-color var(--speed) ease, color var(--speed) ease;
}
.btn svg{ width:14px; height:14px; }
.btn:hover, .btn:focus-visible{ transform:translateY(-2px); }
.btn-primary{
  background:linear-gradient(160deg, #0b4ecb, var(--blue)); color:#fff;
  box-shadow:0 8px 28px rgba(2,20,64,.5);
}
.btn-primary:hover, .btn-primary:focus-visible{ background:linear-gradient(160deg, #1b5fe0, #0645b4); }
.btn-ghost{
  border:1px solid rgba(238,244,253,.4); color:var(--on-dark); background:rgba(6,22,52,.3);
}
.btn-ghost:hover, .btn-ghost:focus-visible{ border-color:var(--sky); background:rgba(155,205,253,.12); }
.btn-small{ padding:9px 18px; font-size:12px; }
.cta-row{ display:flex; gap:14px; flex-wrap:wrap; justify-content:center; }

/* ---------- dark bands ---------- */
.band{
  position:relative; background:var(--navy); color:var(--on-dark);
  overflow:hidden; isolation:isolate;
}
.band::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(110% 90% at 85% 0%,  rgba(45,99,216,.4),  transparent 55%),
    radial-gradient(70% 70% at 100% 60%, rgba(3,60,164,.5),   transparent 65%),
    linear-gradient(115deg, #050f26 15%, #071a42 60%, #072055 100%);
}
.band--fade{ background:transparent; padding-bottom:150px; }
.band--fade::before{
  -webkit-mask-image:linear-gradient(to bottom, #000 0, #000 calc(100% - 150px), rgba(0,0,0,.6) calc(100% - 90px), transparent 100%);
  mask-image:linear-gradient(to bottom, #000 0, #000 calc(100% - 150px), rgba(0,0,0,.6) calc(100% - 90px), transparent 100%);
}
.band--fade-top{ background:transparent; }
.band--fade-top::before{
  -webkit-mask-image:linear-gradient(to bottom, transparent 0, rgba(0,0,0,.5) 110px, #000 220px);
  mask-image:linear-gradient(to bottom, transparent 0, rgba(0,0,0,.5) 110px, #000 220px);
}

/* ---------- page hero ---------- */
.page-hero{ text-align:left; }
.page-hero-inner{
  max-width:1440px; margin:0 auto;
  padding:150px var(--gutter) 34px;
}
.eyebrow{
  font-size:12px; font-weight:700; letter-spacing:.32em; text-transform:uppercase;
  color:var(--sky); margin-bottom:14px;
}
.page-hero h1{
  font-family:var(--font-serif); font-weight:700;
  font-size:clamp(34px, 4vw, 54px); line-height:1.08; color:#fff;
  margin-bottom:14px; text-wrap:balance;
}
.page-hero p.lede{
  color:var(--on-dark-dim); font-size:16.5px; max-width:60ch;
}

/* ---------- content area ---------- */
.content{
  max-width:1440px; margin:0 auto;
  padding:34px var(--gutter) 72px;
  display:flex; flex-direction:column; gap:44px;
}
.sec-title{
  font-size:13.5px; font-weight:700; letter-spacing:.26em; text-transform:uppercase;
  color:var(--ink); margin-bottom:16px;
}
.grid{ display:grid; gap:16px; grid-template-columns:repeat(auto-fill, minmax(280px, 1fr)); }

.panel{
  border-radius:var(--radius);
  background:linear-gradient(170deg, var(--navy-2), var(--navy));
  border:1px solid rgba(6,22,52,.4);
  color:var(--on-dark);
  box-shadow:0 10px 30px rgba(7,25,70,.22);
  padding:24px 24px 22px;
  display:flex; flex-direction:column; gap:8px;
  transition:transform var(--speed) ease, border-color var(--speed) ease, box-shadow var(--speed) ease;
}
.panel:hover, .panel:focus-within{
  transform:translateY(-4px);
  border-color:var(--blue-mid);
  box-shadow:0 18px 42px rgba(7,25,70,.36);
}
.panel .p-meta{
  font-size:11.5px; font-weight:600; letter-spacing:.12em; text-transform:uppercase;
  color:var(--sky);
}
.panel h3{
  font-family:var(--font-serif); font-size:19px; font-weight:700; line-height:1.25; color:#fff;
}
.panel p{ font-size:13.8px; color:var(--on-dark-dim); }
.panel .p-date{
  font-size:11.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--on-dark-mute); font-weight:600;
}
.panel a.p-link{
  margin-top:auto; padding-top:8px;
  font-size:12px; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--on-dark-mute);
  transition:color var(--speed) ease;
}
.panel a.p-link:hover, .panel a.p-link:focus-visible{ color:var(--sky); }

/* ---------- closing + footer ---------- */
.closing{ position:relative; padding:180px var(--gutter) 84px; text-align:center; }
.closing h2{
  font-family:var(--font-serif); font-size:clamp(28px, 3.2vw, 42px);
  font-weight:700; line-height:1.12; color:#fff;
  max-width:20ch; margin:0 auto 14px; text-wrap:balance;
}
.closing p{ color:var(--on-dark-dim); max-width:52ch; margin:0 auto 30px; }

footer{
  border-top:1px solid var(--line-dark);
  padding:34px var(--gutter) 40px;
  display:flex; flex-wrap:wrap; align-items:center; gap:18px 30px;
  font-size:12.5px; color:var(--on-dark-mute); letter-spacing:.04em;
}
footer nav{ display:flex; flex-wrap:wrap; gap:18px; }
footer nav a{ color:var(--on-dark-mute); transition:color var(--speed) ease; }
footer nav a:hover, footer nav a:focus-visible{ color:var(--sky); }
footer nav a[aria-current="page"]{ color:var(--sky); }
footer .legal{ margin-left:auto; }

/* ---------- responsive ---------- */
@media (max-width: 1240px){ .topnav{ display:none; } }
@media (max-width: 620px){ .topbar .phone{ display:none; } }
@media (max-width: 760px){
  .topbar{ gap:14px; }
  .topbar .brand img{ height:22px; }
  .topbar .btn{ margin-left:auto; }
  .page-hero-inner{ padding-top:120px; }
}