/* GateHouse Systems styles.css
   Mobile-first, no dependencies beyond the Inter webfont. */

:root {
  --navy-900: #08182d;
  --navy-800: #0b1f3a;
  --navy-700: #123055;
  --navy-600: #1b4171;
  --accent:   #2f7fd1;
  --accent-dark: #1f63aa;

  --ink:      #14202f;
  --body:     #4a5a6d;
  --muted:    #6b7a8d;
  --line:     #e2e8f0;
  --surface:  #ffffff;
  --surface-alt: #f4f7fb;

  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(8, 24, 45, .06);
  --shadow-md: 0 10px 30px rgba(8, 24, 45, .08);
  --container: 1120px;
  --header-h: 66px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: -.02em;
  font-weight: 700;
}

h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); }
h3 { font-size: 1.12rem; font-weight: 600; }

p { margin: 0 0 1rem; }

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy-800);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease,
              border-color .18s ease, transform .18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: none; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  color: #dce8f6;
  border-color: rgba(220, 232, 246, .38);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }

.btn-sm { padding: .55rem 1.05rem; font-size: .92rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 31, 58, .96);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  color: #fff;
  text-decoration: none;
}
.logo:hover { text-decoration: none; }
.logo-mark { display: inline-flex; color: var(--accent); }

.logo-text {
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -.015em;
  color: #fff;
  white-space: nowrap;
}
.logo-text span { color: #9dc2e8; font-weight: 500; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 9px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--navy-800);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  padding: .5rem 20px 1.25rem;
}
.nav.open { display: block; }

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.nav a:not(.btn) {
  display: block;
  padding: .7rem .25rem;
  color: #d8e4f2;
  font-weight: 500;
}
.nav a:not(.btn):hover { color: #fff; text-decoration: none; }
.nav .btn { margin-top: .5rem; color: #fff; }

/* ---------- Hero ---------- */

.hero {
  background:
    radial-gradient(900px 420px at 78% -12%, rgba(47, 127, 209, .32), transparent 62%),
    linear-gradient(170deg, var(--navy-800) 0%, var(--navy-900) 100%);
  color: #cfdcea;
  padding: 4.5rem 0 4rem;
}

.hero-inner { max-width: 720px; }
.hero h1 { color: #fff; }

.eyebrow {
  margin: 0 0 .9rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero .eyebrow { color: #7fb3e6; }

.lede {
  font-size: 1.08rem;
  max-width: 58ch;
  color: #c3d3e5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.hero-points {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  margin: 2.5rem 0 0;
  padding: 0;
  font-size: .92rem;
  color: #9fb6cd;
}
.hero-points li { display: flex; align-items: center; gap: .55rem; }
.hero-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

/* ---------- Sections ---------- */

.section { padding: 4rem 0; }
.section-alt { background: var(--surface-alt); }

.section-lede {
  max-width: 60ch;
  margin-bottom: 2.5rem;
  font-size: 1.03rem;
}

/* ---------- Service cards ---------- */

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cddcec;
}
.card p { margin: 0; font-size: .96rem; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  border-radius: 11px;
  background: #e8f1fb;
  color: var(--navy-600);
}

/* ---------- About ---------- */

.about-inner { display: grid; gap: 2.5rem; }
.about-inner p { max-width: 62ch; }

.stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.stats li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.stats strong {
  display: block;
  color: var(--ink);
  font-size: 1.02rem;
  margin-bottom: .15rem;
}
.stats span { font-size: .92rem; color: var(--muted); }

/* ---------- Contact ---------- */

.contact-inner { display: grid; gap: 2.5rem; }

.contact-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}
.contact-label {
  display: block;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .15rem;
}
.contact-list a {
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--navy-700);
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.field { margin-bottom: 1.1rem; }
.field label {
  display: block;
  margin-bottom: .35rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink);
}
.optional { font-weight: 400; color: var(--muted); }

.field input,
.field textarea {
  width: 100%;
  padding: .75rem .9rem;
  font: inherit;
  font-size: .97rem;
  color: var(--ink);
  background: #fbfcfe;
  border: 1px solid #d4dde8;
  border-radius: 10px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 127, 209, .16);
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #c0392b;
  background: #fdf6f5;
}

.error-text {
  display: block;
  margin-top: .3rem;
  font-size: .84rem;
  color: #a5301f;
}

.form-note {
  margin: .9rem 0 0;
  font-size: .85rem;
  color: var(--muted);
  text-align: center;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-900);
  color: #93a6bb;
  padding: 3rem 0 1.5rem;
  font-size: .94rem;
}

.footer-inner { display: grid; gap: 1.75rem; }
.footer-brand p { margin: .5rem 0 0; max-width: 34ch; }

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
}
.site-footer a { color: #c7d6e6; }
.site-footer a:hover { color: #fff; }

.footer-contact { display: grid; gap: .35rem; justify-items: start; }

.footer-bottom {
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, .1);
}
.footer-bottom p { margin: 0; font-size: .87rem; color: #7d90a6; }

/* ---------- Larger screens ---------- */

@media (min-width: 640px) {
  .container { padding-inline: 28px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .contact-form { padding: 1.9rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .section { padding: 5.5rem 0; }
  .hero { padding: 7rem 0 6rem; }
  .lede { font-size: 1.16rem; }

  .nav-toggle { display: none; }

  .nav {
    display: block;
    position: static;
    background: none;
    border: 0;
    padding: 0;
  }
  .nav ul { flex-direction: row; align-items: center; gap: 1.9rem; }
  .nav a:not(.btn) { padding: .35rem 0; }
  .nav .btn { margin-top: 0; }

  .grid { grid-template-columns: repeat(3, 1fr); }
  .about-inner { grid-template-columns: 1.35fr 1fr; gap: 4rem; align-items: start; }
  .stats { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; }
}

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