/* ============================================================
   TTI Solutions — Thompson Telecom Infrastructure Solutions
   Brand: navy #1B2D5E · gold #C9A84C · red #B22234
   "Infrastructure with Integrity"
   ============================================================ */

:root {
  --navy-900: #0f1d3d;
  --navy-800: #1B2D5E;   /* brand navy */
  --navy-700: #24386f;
  --navy-600: #2f4a8a;
  --gold: #C9A84C;       /* brand gold */
  --gold-soft: #e0c178;
  --gold-deep: #ab8a36;
  --red: #B22234;        /* brand red */
  --steel: #5b7fc0;
  --steel-soft: #9fb6dd;
  --ink: #16202e;
  --slate: #46546a;
  --line: #e3e8f0;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --bg-tint: #eef2f9;
  --white: #ffffff;

  --maxw: 1160px;
  --prose: 1040px;
  --measure: 70ch;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 29, 61, .06), 0 2px 10px rgba(15, 29, 61, .05);
  --shadow-md: 0 12px 32px rgba(15, 29, 61, .12);
  --shadow-lg: 0 24px 60px rgba(15, 29, 61, .20);

  --font-head: 'Barlow Condensed', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body); color: var(--ink); background: var(--bg);
  line-height: 1.65; font-size: 17px; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--navy-700); text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.07; margin: 0; letter-spacing: .2px; color: var(--navy-800); }

.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 600; font-size: .98rem; padding: .85rem 1.6rem; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer; color: var(--navy-900);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--gold); color: var(--navy-900); box-shadow: 0 6px 18px rgba(201, 168, 76, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(201, 168, 76, .45); background: var(--gold-soft); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, .45); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, .1); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--navy-800); border-color: var(--navy-800); }
.btn-outline:hover { background: var(--navy-800); color: var(--white); transform: translateY(-2px); }
.btn-block { width: 100%; }
.cta-row { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.6rem 0 0; }

/* ---------- Header (light, lets the brand logo read) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(150%) blur(12px); border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: .75rem; }
.brand-mark { height: 48px; width: auto; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-family: var(--font-head); font-size: 1.4rem; color: var(--navy-800); letter-spacing: .6px; }
.brand-text small { font-size: .64rem; letter-spacing: 1.4px; text-transform: uppercase; color: var(--gold-deep); }

.nav-list { display: flex; align-items: center; gap: 1.8rem; }
.nav-list a { color: var(--navy-800); font-weight: 500; font-size: .95rem; position: relative; transition: color .2s; }
.nav-list a:not(.nav-cta)::after { content: ''; position: absolute; left: 0; bottom: -7px; height: 2px; width: 0; background: var(--gold); transition: width .25s var(--ease); }
.nav-list a:not(.nav-cta):hover, .nav-list a.active { color: var(--gold-deep); }
.nav-list a.active::after, .nav-list a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { background: var(--gold); color: var(--navy-900) !important; padding: .55rem 1.2rem; border-radius: 999px; font-weight: 600; }
.nav-cta:hover { background: var(--gold-soft); }

.nav-toggle { display: none; background: none; border: 0; width: 42px; height: 42px; cursor: pointer; flex-direction: column; gap: 5px; justify-content: center; align-items: center; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: transform .25s, opacity .2s; }

/* ---------- Hero (home) ---------- */
.hero, .page-hero { position: relative; color: var(--white); overflow: hidden; isolation: isolate; }
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(1100px 540px at 78% -10%, rgba(91, 127, 192, .4), transparent 60%),
    radial-gradient(800px 500px at 5% 110%, rgba(201, 168, 76, .18), transparent 60%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 48%, var(--navy-700) 100%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 54px 54px; mask-image: radial-gradient(900px 600px at 70% 0%, #000 30%, transparent 80%);
}
.hero-inner { padding: 6.5rem 0 5rem; max-width: 820px; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.3rem); font-weight: 700; color: var(--white); margin-bottom: 1.4rem; }
.hero-lead { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: rgba(255, 255, 255, .85); max-width: 620px; margin: 0 0 2rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem; font-size: .78rem; letter-spacing: 1.8px;
  text-transform: uppercase; font-weight: 600; color: var(--gold-soft); margin: 0 0 1.3rem;
  background: rgba(201, 168, 76, .12); border: 1px solid rgba(201, 168, 76, .35); padding: .45rem 1rem; border-radius: 999px;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(201, 168, 76, .25); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 2.6rem; border-top: 1px solid rgba(255, 255, 255, .16); padding-top: 1.8rem; margin-top: 3rem; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-head); font-size: 1.8rem; color: var(--gold-soft); letter-spacing: .5px; }
.hero-stats span { font-size: .85rem; color: rgba(255, 255, 255, .7); }

/* ---------- Page hero (interior) ---------- */
.page-hero { text-align: center; }
.page-hero .container { padding: 4.2rem 0 3.6rem; }
.page-hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 700; color: var(--white); }
.page-hero-lead { color: rgba(255, 255, 255, .82); font-size: 1.12rem; max-width: 640px; margin: 1rem auto 0; }
.page-hero .eyebrow { margin-bottom: 1rem; }

/* ---------- Page body / prose ---------- */
.page-body { padding: 4.5rem 0; }
.page-body.home { padding: 0; }
.prose { width: min(100% - 2.5rem, var(--prose)); margin-inline: auto; }
.prose > p, .prose > ul, .prose > ol, .prose > h2, .prose > h3, .prose > blockquote { max-width: var(--measure); }
.prose h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); font-weight: 700; margin: 2.6rem 0 1rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.3rem; font-weight: 600; margin: 1.8rem 0 .6rem; }
.prose p { color: var(--slate); margin: 0 0 1.1rem; }
.prose ul, .prose ol { margin: 0 0 1.3rem; padding-left: 0; }
.prose ul li { position: relative; padding-left: 1.7rem; margin-bottom: .55rem; color: var(--slate); }
.prose ul li::before { content: ''; position: absolute; left: 0; top: .55em; width: 13px; height: 8px; border-left: 2.4px solid var(--gold); border-bottom: 2.4px solid var(--gold); transform: rotate(-45deg); }
.prose ol { padding-left: 1.3rem; }
.prose ol li { margin-bottom: .55rem; color: var(--slate); }
.prose strong { color: var(--ink); }
.prose a { color: var(--navy-700); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(201, 168, 76, .6); }
.prose a:hover { color: var(--gold-deep); }
.prose a.btn { text-decoration: none; color: var(--navy-900); }
.prose blockquote {
  margin: 1.8rem 0; padding: 1.3rem 1.6rem; border-left: 4px solid var(--gold);
  background: var(--bg-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--ink); font-size: 1.08rem;
}
.prose blockquote p { color: var(--ink); margin: 0; }

/* ---------- Shared content components ---------- */
.kicker { font-size: .76rem; letter-spacing: 2.4px; text-transform: uppercase; font-weight: 700; color: var(--steel); margin: 0 0 .8rem !important; }
.kicker-light { color: var(--gold-soft); }
.section-sub { color: var(--slate); font-size: 1.1rem; }
.section-sub.light { color: rgba(255, 255, 255, .8); }
.lead { font-size: 1.2rem; color: var(--slate); }

.section-head { width: min(100% - 2.5rem, 720px); margin: 0 auto; text-align: center; padding: 5rem 0 0; }
.section-head h2 { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 700; }
.section-head .section-sub { margin-top: 1rem; }

/* Grids */
.grid { display: grid; gap: 1.4rem; width: min(100% - 2.5rem, var(--maxw)); margin: 2.6rem auto 0; }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.cols-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cols-4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.prose .grid { width: 100%; }

/* Cards */
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.9rem 1.6rem; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.card::before { content: ''; position: absolute; top: 0; left: 0; height: 4px; width: 100%; background: linear-gradient(90deg, var(--gold), var(--steel)); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card h3 { font-size: 1.25rem; font-weight: 600; margin: 0 0 .5rem; }
.card p { color: var(--slate); margin: 0; font-size: .97rem; }

/* Panels (capabilities) */
.panel { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.9rem 1.7rem; }
.panel h3 { font-size: 1.25rem; font-weight: 600; margin: 0 0 1.1rem; padding-bottom: .85rem; border-bottom: 1px solid var(--line); }
.panel ul { margin: 0; }
.panel ul li { position: relative; padding-left: 1.7rem; margin-bottom: .7rem; color: var(--slate); font-size: .96rem; }
.panel ul li::before { content: ''; position: absolute; left: 0; top: .5em; width: 13px; height: 8px; border-left: 2.4px solid var(--gold); border-bottom: 2.4px solid var(--gold); transform: rotate(-45deg); }

/* Dark band (home "why") */
.band { background: linear-gradient(165deg, var(--navy-800), var(--navy-900)); color: var(--white); margin-top: 5rem; padding: 5rem 0; }
.band .container { width: min(100% - 2.5rem, var(--maxw)); }
.band h2 { color: var(--white); font-size: clamp(2rem, 4vw, 2.7rem); font-weight: 700; margin: .3rem 0 1rem; }
.band .btn { margin-top: 1.8rem; }

/* Why-list (h3 + p pairs flowed into columns) */
.why-list { display: block; columns: 2; column-gap: 2.4rem; margin-top: 2rem; }
.why-list h3 { font-size: 1.18rem; font-weight: 600; color: var(--gold-soft); margin: 0 0 .4rem; break-after: avoid; padding-left: 1.1rem; border-left: 2px solid var(--gold); }
.why-list p { color: rgba(255, 255, 255, .75); font-size: .96rem; margin: 0 0 1.5rem; padding-left: 1.1rem; break-inside: avoid; }
/* When why-list appears on a light interior page */
.prose .why-list h3 { color: var(--navy-800); }
.prose .why-list p { color: var(--slate); }

/* CTA panel */
.cta-panel {
  width: min(100% - 2.5rem, var(--maxw)); margin: 4rem auto 0; text-align: center;
  background: linear-gradient(160deg, var(--navy-900), var(--navy-700)); color: var(--white);
  border-radius: var(--radius); padding: 3.2rem 2rem; box-shadow: var(--shadow-md);
}
.cta-panel h2 { color: var(--white); font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 700; max-width: none; }
.cta-panel p { color: rgba(255, 255, 255, .82); max-width: 540px; margin: 1rem auto 0; }
.cta-panel .btn { margin-top: 1.6rem; }
.prose .cta-panel { width: 100%; }
.prose .cta-panel p { color: rgba(255, 255, 255, .82); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; width: 100%; margin-top: 1rem; }
.contact-info h3 { font-size: 1.3rem; margin: 0 0 .8rem; }
.contact-info ul li::before { display: none; }
.contact-info ul li { padding-left: 0; }
.contact-form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.1rem; box-shadow: var(--shadow-lg); }
.field { margin-bottom: 1.05rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label { display: block; font-size: .82rem; font-weight: 600; color: var(--slate); margin-bottom: .4rem; }
.field input, .field textarea {
  width: 100%; padding: .8rem .95rem; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; font-size: .95rem; color: var(--ink); background: var(--bg-soft);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--steel); background: var(--white); box-shadow: 0 0 0 3px rgba(91, 127, 192, .2); }
.field textarea { resize: vertical; }
.form-note { font-size: .9rem; margin: 1rem 0 0; min-height: 1.2em; text-align: center; }
.form-note.ok { color: #1f9d63; }
.form-note.err { color: var(--red); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: rgba(255, 255, 255, .7); padding: 3.5rem 0 1.8rem; margin-top: 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; padding-bottom: 2.2rem; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer-brand { max-width: 380px; }
.footer-logo { display: flex; align-items: center; gap: .75rem; }
.footer-chip { display: grid; place-items: center; width: 48px; height: 48px; background: var(--white); border-radius: 10px; flex-shrink: 0; }
.footer-logo .brand-text strong { color: var(--white); font-size: 1.35rem; }
.footer-logo .brand-text small { color: var(--gold-soft); text-transform: none; letter-spacing: .3px; font-size: .8rem; font-style: italic; }
.footer-blurb { margin: 1rem 0 0; font-size: .92rem; color: rgba(255, 255, 255, .6); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: flex-start; }
.footer-nav a { color: rgba(255, 255, 255, .75); font-size: .92rem; transition: color .2s; }
.footer-nav a:hover { color: var(--gold-soft); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .8rem; padding-top: 1.5rem; font-size: .84rem; color: rgba(255, 255, 255, .55); }
.footer-badge { color: var(--gold-soft); letter-spacing: .5px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .why-list { columns: 1; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .page-body { padding: 3.4rem 0; }
  .hero-inner { padding: 4.5rem 0 3.6rem; }
  .band, .section-head { padding-top: 3.4rem; }
  .band { padding: 3.4rem 0; }
  .nav-toggle { display: flex; }
  .nav-list {
    position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); padding: .5rem 1.25rem 1.25rem; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .25s var(--ease), opacity .25s;
  }
  .nav-list.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-list li { border-bottom: 1px solid var(--line); }
  .nav-list a { display: block; padding: .95rem .2rem; }
  .nav-list a:not(.nav-cta)::after { display: none; }
  .nav-cta { display: inline-block; margin-top: .8rem; text-align: center; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .field-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.6rem; }
  .footer-inner { flex-direction: column; gap: 1.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}