/* ==========================================================================
   Deep Radars — shared stylesheet
   Used by every page. Page-specific rules stay in each page's <style>.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; overflow-wrap: break-word; }

:root {
  --white: #ffffff;
  --gray-50: #f4f6f6;
  --gray-100: #e8ecec;
  --gray-200: #d0d5d5;
  --gray-400: #8C8CA1;
  --gray-600: #5e5e72;
  --gray-900: #444444;

  --blue-50:  #DAF0EE;
  --blue-100: #c2e6e3;
  --blue-200: #a0d8d5;
  --blue-300: #8ccfcd;
  --blue-400: #72C6C6;
  --blue-500: #5ab5b5;
  --blue-600: #3d9e9e;
  --blue-700: #327f7f;
  --blue-800: #2a7070;
  --blue-900: #1a4545;

  --accent: #72C6C6;
  --accent-dark: #5ab5b5;
  --link: var(--blue-800);

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --nav-h: 68px;
  --section-pad: 100px;
  --max-w: 1120px;
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; overflow-x: hidden; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}
body.menu-open { overflow: hidden; }

img, video, iframe { max-width: 100%; }
a { color: var(--link); }
:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 2px; }

/* ── ACCESSIBILITY ──────────────────────── */
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 3000;
  background: var(--blue-900); color: var(--white);
  padding: 10px 18px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; text-decoration: none;
  transition: top .15s;
}
.skip-link:focus { top: 12px; }
.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;
}

/* ── UTILS ──────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; width: 100%; }
.tag {
  display: inline-block;
  font-size: 11px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue-800); background: var(--blue-50);
  border: 1px solid var(--blue-100); border-radius: 100px;
  padding: 4px 14px; margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400; line-height: 1.15;
  color: var(--gray-900); margin-bottom: 16px;
}
.section-title em { font-style: italic; color: var(--blue-500); }
.section-lead { font-size: 17px; line-height: 1.75; color: var(--gray-600); max-width: 560px; }
.body-text { font-size: 16px; color: var(--gray-600); line-height: 1.75; }
.body-text + .body-text { margin-top: 12px; }
.eyebrow-label {
  font-size: 11px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  color: var(--gray-400); margin-bottom: 16px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-size: 14px; font-weight: 500; line-height: 1.4;
  border-radius: 100px; padding: 11px 24px;
  cursor: pointer; transition: all .2s ease;
  text-decoration: none; border: none;
}
.btn svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 2; fill: none; }
.btn-primary { background: var(--accent); color: var(--gray-900); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--blue-800); border: 1.5px solid var(--blue-200); }
.btn-outline:hover { border-color: var(--accent); background: var(--blue-50); }
.btn-ghost { background: rgba(255,255,255,.1); color: rgba(255,255,255,.85); border: 1px solid rgba(255,255,255,.2); }
.btn-ghost:hover { background: rgba(255,255,255,.18); color: var(--white); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: default; transform: none; }

/* ── NAV ────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  display: flex; align-items: center;
}
.nav-inner {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo-img { height: 66px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  display: inline-block;
  font-size: 14px; font-weight: 400; color: var(--gray-600);
  padding: 6px 14px; border-radius: 100px;
  transition: color .15s, background .15s; text-decoration: none;
}
.nav-links a:hover { color: var(--gray-900); background: var(--gray-100); }
.nav-links a.active,
.nav-links a[aria-current="page"] { color: var(--gray-900); background: var(--gray-100); font-weight: 500; }
.nav-links .nav-cta a { background: var(--accent); color: var(--gray-900); font-weight: 500; padding: 7px 18px; }
.nav-links .nav-cta a:hover { background: var(--accent-dark); }
.nav-links .nav-art a {
  background: var(--blue-900); color: var(--blue-400);
  font-weight: 500; padding: 7px 18px; border: 1px solid var(--blue-800);
}
.nav-links .nav-art a:hover,
.nav-links .nav-art a[aria-current="page"] { background: var(--blue-800); color: var(--blue-100); }

/* dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ↓'; font-size: 10px; opacity: .5; }
.dropdown-menu {
  opacity: 0; pointer-events: none; visibility: hidden;
  position: absolute; top: calc(100% + 4px); left: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 30px rgba(0,0,0,.08);
  min-width: 230px; padding: 6px; list-style: none;
  transition: opacity .15s ease, transform .15s ease, visibility .15s;
  transform: translateY(-4px);
  z-index: 100;
}
/* invisible bridge so the menu doesn't close while the pointer crosses the gap */
.dropdown-menu::before { content: ''; position: absolute; left: 0; right: 0; top: -8px; height: 8px; }
.nav-dropdown.open .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu { opacity: 1; pointer-events: auto; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; font-size: 13px; color: var(--gray-600); padding: 8px 12px; border-radius: 6px; }
.dropdown-menu a:hover { color: var(--gray-900); background: var(--gray-50); }
.dropdown-menu a[aria-current="page"] { color: var(--gray-900); background: var(--blue-50); font-weight: 500; }
.dropdown-label {
  font-size: 10px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--gray-400); padding: 8px 12px 4px;
}
.dropdown-divider { height: 1px; background: var(--gray-100); margin: 6px 4px; border: none; }

/* mobile hamburger */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; margin-right: -8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--gray-900); margin: 5px 0; border-radius: 2px; transition: transform .25s, opacity .25s; }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  max-height: calc(100vh - var(--nav-h)); max-height: calc(100dvh - var(--nav-h));
  overflow-y: auto;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 16px 30px rgba(0,0,0,.06);
  padding: 8px 24px 24px;
  z-index: 999;
}
.mobile-menu.open { display: block; }
.mobile-group { padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
.mobile-group:last-of-type { border-bottom: none; }
.mobile-group-title {
  font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--gray-400); margin-bottom: 4px;
}
.mobile-menu a { display: block; font-size: 15px; color: var(--gray-600); padding: 8px 0; text-decoration: none; }
.mobile-menu a:hover { color: var(--gray-900); }
.mobile-menu a[aria-current="page"] { color: var(--blue-800); font-weight: 500; }
.mobile-group-home a { font-size: 16px; font-weight: 500; color: var(--gray-900); }
.mobile-sub { padding-left: 14px; font-size: 14px !important; }
.mobile-actions { display: flex; gap: 10px; flex-wrap: wrap; padding-top: 16px; }
.mobile-actions .btn { flex: 1; padding: 11px 16px; }
.mobile-menu .mobile-actions a { font-size: 14px; font-weight: 500; }
.mobile-menu .mobile-actions .btn-primary { color: var(--gray-900); }
.mobile-menu .mobile-actions .btn-art { background: var(--blue-900); color: var(--blue-400); }

/* ── PAGE HERO (inner pages) ────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 64px;
  background: var(--white);
  position: relative; overflow: hidden;
}
.page-hero-bg {
  position: absolute; top: 0; right: -80px; width: 55%; height: 100%;
  background: radial-gradient(ellipse at 70% 40%, var(--blue-50) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-inner { position: relative; z-index: 1; max-width: 680px; }
.page-hero-eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--blue-800); margin-bottom: 20px; }
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 54px); font-weight: 400;
  line-height: 1.1; color: var(--gray-900); margin-bottom: 20px;
}
.page-hero-title em { font-style: italic; color: var(--blue-500); }
.page-hero-lead { font-size: 17px; line-height: 1.75; color: var(--gray-600); max-width: 560px; }

/* breadcrumb */
.breadcrumb { font-size: 13px; color: var(--gray-400); margin-bottom: 32px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: '/'; opacity: .6; }
.breadcrumb a { color: var(--gray-400); text-decoration: none; }
.breadcrumb a:hover { color: var(--blue-800); }
.breadcrumb [aria-current="page"] { color: var(--gray-600); }

/* ── CONTACT (shared) ───────────────────── */
.contact-section { padding: var(--section-pad) 0; background: var(--white); }
.contact-section.alt { background: var(--gray-50); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-detail { display: flex; flex-direction: column; gap: 16px; margin-top: 36px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--blue-50); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 18px; height: 18px; stroke: var(--blue-600); stroke-width: 1.5; fill: none; }
.contact-text-label { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-400); margin-bottom: 2px; }
.contact-text-val { font-size: 14px; color: var(--gray-900); font-style: normal; }
.contact-text-val a { color: var(--link); text-decoration: none; }
.contact-text-val a:hover { text-decoration: underline; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--gray-600); }
.form-group input, .form-group textarea, .form-group select {
  font-family: var(--font-body); font-size: 14px;
  color: var(--gray-900); background: var(--white);
  border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
  padding: 11px 14px; outline: none; transition: border-color .15s; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--accent); }
.form-group textarea { min-height: 110px; }
.form-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--gray-600); }
.form-consent input { margin-top: 3px; accent-color: var(--accent); flex-shrink: 0; }
.form-consent a { color: var(--link); }
.form-submit { align-self: flex-start; }
.form-status { padding: 14px; border-radius: var(--radius-sm); font-size: 14px; }
.form-status.is-success { background: var(--blue-50); border: 1px solid var(--blue-100); color: var(--blue-800); }
.form-status.is-error { background: #fff0f0; border: 1px solid #fcc; color: #b00; }

/* ── FAQ (shared) ───────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.faq-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-sm); transition: border-color .2s; }
.faq-item[open] { border-color: var(--blue-200); }
.faq-item summary {
  cursor: pointer; list-style: none;
  padding: 18px 24px; font-size: 15px; font-weight: 500; color: var(--gray-900);
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; line-height: 1; color: var(--blue-600); transition: transform .2s; flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 24px 20px; font-size: 15px; color: var(--gray-600); line-height: 1.75; }
.faq-answer a { color: var(--link); }

/* ── CTA BAND (shared) ──────────────────── */
.cta-band { padding: 72px 0; background: var(--blue-900); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.08); }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band-title { font-family: var(--font-display); font-size: clamp(24px, 3vw, 32px); font-weight: 400; line-height: 1.2; margin-bottom: 8px; }
.cta-band-title em { font-style: italic; color: var(--blue-400); }
.cta-band-text { font-size: 15px; color: rgba(255,255,255,.65); line-height: 1.7; max-width: 560px; }
.cta-band-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── FOOTER ─────────────────────────────── */
.site-footer { background: var(--blue-900); color: var(--white); padding: 60px 0 32px; }
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-logo-row { display: flex; align-items: center; margin-bottom: 16px; }
.footer-logo-img { height: 80px; width: auto; display: block; filter: brightness(0) invert(1); }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,.55); line-height: 1.7; max-width: 280px; margin-bottom: 24px; }
.footer-socials { display: flex; gap: 10px; }
.footer-social {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,.15); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; transition: border-color .2s, background .2s, color .2s;
  color: rgba(255,255,255,.65);
}
.footer-social svg { width: 16px; height: 16px; fill: currentColor; }
.footer-social:hover { border-color: var(--blue-400); background: rgba(114,198,198,.2); color: var(--white); }
.footer-col-title { font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.45); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,.65); text-decoration: none; transition: color .15s; }
.footer-col ul a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-legal { font-size: 12px; color: rgba(255,255,255,.45); line-height: 1.6; }
.footer-legal a { color: rgba(255,255,255,.6); text-decoration: none; }
.footer-legal a:hover { color: var(--white); }

/* ── ANIMATIONS ─────────────────────────── */
/* Only hidden when JS is running, so content is always visible to crawlers and no-JS clients. */
.js .fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.js .fade-in.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .fade-in { opacity: 1; transform: none; transition: none; }
}

/* ── RESPONSIVE ─────────────────────────── */
@media (max-width: 960px) {
  :root { --section-pad: 64px; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
}
@media (min-width: 961px) {
  .mobile-menu { display: none !important; }
}
@media (max-width: 560px) {
  .container, .nav-inner { padding: 0 20px; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .faq-item summary { padding: 16px 18px; }
  .faq-answer { padding: 0 18px 18px; }
}