/* =============================================
   GOEDGELESS ENGINEERING — DARK CINEMATIC THEME
   ============================================= */

:root {
  --navy:        #0D2E5C;
  --navy-deep:   #071d3d;
  --navy-dark:   #04132b;
  --signal:      #4FAAFF;
  --signal-soft: #7cc0ff;
  --signal-dim:  rgba(79,170,255,0.18);
  --white:       #ffffff;
  --muted:       rgba(255,255,255,0.55);
  --muted-dim:   rgba(255,255,255,0.28);
  --border:      rgba(79,170,255,0.18);
  --card-bg:     rgba(255,255,255,0.03);
  --card-border: rgba(79,170,255,0.14);
}

/* ── LIGHT THEME TOKENS ── */
html[data-theme="light"] {
  --navy:        #e3edfb;
  --navy-deep:   #eef3fa;
  --navy-dark:   #f7f9fc;
  --signal:      #1565c9;
  --signal-soft: #4a8fe0;
  --signal-dim:  rgba(21,101,201,0.10);
  --white:       #0a1f3d;
  --muted:       rgba(10,31,61,0.78);
  --muted-dim:   rgba(10,31,61,0.58);
  --border:      rgba(21,101,201,0.16);
  --card-bg:     rgba(10,31,61,0.025);
  --card-border: rgba(10,31,61,0.12);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; font-size:16px; overflow-x:hidden; max-width:100%; }

body {
  font-family:'Montserrat', sans-serif;
  background: var(--navy-dark);
  color: var(--white);
  overflow-x: hidden;
  max-width: 100%;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ── PARTICLE CANVAS ── */
#stars {
  position:fixed; inset:0; z-index:0;
  pointer-events:none; opacity:0.65;
}

/* ── PRELOADER ── */
#preloader {
  position:fixed;
  inset:0;
  z-index:9999;
  background:var(--navy-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  transform:translateY(0);
  transition:transform 1.1s cubic-bezier(0.76, 0, 0.24, 1) 0.2s,
             opacity 0.15s ease 1.1s;
}
#preloader .preloader-logo {
  width:180px;
  opacity:0;
  transform:translateY(10px);
  animation:preloader-fade-in 0.6s ease 0.1s forwards;
}
@keyframes preloader-fade-in {
  to { opacity:1; transform:translateY(0); }
}
body.loaded #preloader {
  transform:translateY(-100%);
  pointer-events:none;
}
.preloader-done #preloader {
  display:none;
}
/* Preloader always stays on the dark logo treatment, regardless of theme */
html[data-theme="light"] #preloader { background:#04132b; }

/* ── NAVIGATION ── */
.site-nav {
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 40px);
  max-width:1200px;
  z-index:100;
  display:flex; flex-direction:column;
  background:rgba(7,29,61,0.52);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(79,170,255,0.2);
  border-radius:16px;
  box-shadow:0 8px 32px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.06);
  transition:background 0.4s, box-shadow 0.4s, border-color 0.4s;
  overflow:hidden;
}
html[data-theme="light"] .site-nav {
  background:rgba(255,255,255,0.62);
  border-color:rgba(21,101,201,0.18);
  box-shadow:0 8px 32px rgba(13,46,92,0.12), inset 0 1px 0 rgba(255,255,255,0.6);
}

.nav-bar {
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px;
  height:64px;
  flex-shrink:0;
}

.nav-bar-right {
  display:flex; align-items:center; gap:20px;
}

.nav-brand {
  display:flex; align-items:center;
  text-decoration:none; flex-shrink:0;
}
.nav-logo {
  height:50px; width:auto;
  display:block;
}
.nav-logo.nav-logo-light { display:none; }
html[data-theme="light"] .nav-logo.nav-logo-dark { display:none; }
html[data-theme="light"] .nav-logo.nav-logo-light { display:block; }

.nav-links {
  display:flex; align-items:center; gap:32px;
  list-style:none;
}

/* ── THEME TOGGLE ── */
.theme-toggle {
  display:flex; align-items:center; justify-content:center;
  width:34px; height:34px; flex-shrink:0;
  background:none; border:1px solid var(--border);
  border-radius:8px; cursor:pointer;
  color:var(--muted);
  transition:border-color 0.2s, color 0.2s;
}
.theme-toggle:hover { border-color:var(--signal); color:var(--signal); }
.theme-toggle svg { display:block; stroke:currentColor; }
.theme-toggle .icon-moon { display:none; }
html[data-theme="light"] .theme-toggle .icon-sun { display:none; }
html[data-theme="light"] .theme-toggle .icon-moon { display:block; }
.nav-links a {
  font-size:11px; font-weight:700; letter-spacing:0.2em;
  text-transform:uppercase; color:var(--muted);
  text-decoration:none;
  transition:color 0.2s;
  position:relative;
}
.nav-links a::after {
  content:''; position:absolute; bottom:-4px; left:0; right:0;
  height:1px; background:var(--signal);
  transform:scaleX(0); transition:transform 0.25s;
}
.nav-links a:hover, .nav-links a.active { color:var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { transform:scaleX(1); }

/* ── HAMBURGER ── */
.nav-hamburger {
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  background:none; border:none; cursor:pointer;
  padding:6px; border-radius:6px;
  transition:background 0.2s;
}
.nav-hamburger:hover { background:rgba(79,170,255,0.1); }
.nav-hamburger span {
  display:block; width:22px; height:2px;
  background:var(--white); border-radius:2px;
  transition:transform 0.35s cubic-bezier(.16,1,.3,1), opacity 0.2s;
}
.nav-hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ── MOBILE NAV PANEL (anchored expand-in-place, same pill, no overlay) ── */
.nav-mobile-panel {
  max-height:0;
  overflow:hidden;
  transition:max-height 0.35s ease;
}
.nav-mobile-panel-inner {
  padding:4px 24px 24px;
  display:flex; flex-direction:column;
}

.nav-panel-links {
  list-style:none;
  display:flex; flex-direction:column;
}
.nav-panel-links li a {
  display:block;
  font-size:11px; font-weight:700; letter-spacing:0.22em;
  text-transform:uppercase; color:var(--muted);
  text-decoration:none;
  padding:16px 0;
  border-bottom:1px solid var(--border);
  transition:color 0.2s, padding-left 0.2s;
}
.nav-panel-links li a:hover,
.nav-panel-links li a.active { color:var(--white); padding-left:6px; }

/* ── PAGE WRAPPER ── */
main { position:relative; z-index:1; }

/* ── SECTION UTILITIES ── */
.container {
  max-width:1160px; margin:0 auto; padding:0 48px;
}
.section { padding:100px 0; }
.section--tight { padding:64px 0; }

.eyebrow {
  display:inline-block;
  font-size:10px; font-weight:800; letter-spacing:0.32em;
  text-transform:uppercase; color:var(--signal);
  margin-bottom:20px;
}
.section-head {
  text-align:center; max-width:720px;
  margin:0 auto 64px;
}
.section-head p {
  font-size:15px; color:var(--muted); line-height:1.7;
  margin-top:16px;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family:'Montserrat', sans-serif;
  font-weight:900;
  line-height:1.05;
  letter-spacing:-0.01em;
}
h1 { font-size:clamp(42px,8vw,88px); text-transform:uppercase; }
h2 { font-size:clamp(28px,4vw,48px); }
h3 { font-size:22px; }
h4 { font-size:14px; letter-spacing:0.08em; text-transform:uppercase; }

/* ── BUTTONS ── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px;
  font-size:11px; font-weight:800; letter-spacing:0.22em;
  text-transform:uppercase; text-decoration:none;
  border-radius:2px; cursor:pointer; border:none;
  transition: all 0.25s;
}
.btn-primary {
  background:var(--signal); color:var(--navy-dark);
  box-shadow: 0 0 24px rgba(79,170,255,0.35);
}
.btn-primary:hover {
  opacity:0.88; box-shadow:0 0 40px rgba(79,170,255,0.55);
}
.btn-ghost {
  background:transparent; color:var(--white);
  border:1px solid rgba(255,255,255,0.22);
}
.btn-ghost:hover {
  border-color:var(--signal); color:var(--signal);
}
html[data-theme="light"] .btn-ghost {
  border-color:rgba(10,31,61,0.35);
}

/* ── CARD ── */
.card {
  background: var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:4px;
  padding:40px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.card:hover {
  border-color:rgba(79,170,255,0.35);
  box-shadow:0 8px 40px rgba(79,170,255,0.08);
}

/* ── LIGHT BEAM ── */
.beam {
  position:absolute; top:-20%; bottom:-20%; width:34vw;
  z-index:-1;
  background:linear-gradient(100deg,transparent,rgba(79,170,255,0.06) 45%,rgba(79,170,255,0.10) 50%,rgba(79,170,255,0.06) 55%,transparent);
  transform:skewX(-12deg);
  animation:sweep 13s ease-in-out infinite;
  pointer-events:none;
}
@keyframes sweep { 0%{left:-40vw;} 55%{left:110vw;} 100%{left:110vw;} }

/* ── GRID OVERLAY ── */
.grid-overlay {
  position:absolute; inset:0; z-index:0; opacity:0.45;
  background-image:
    linear-gradient(rgba(79,170,255,0.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(79,170,255,0.05) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 50% 40%, black, transparent 82%);
  animation:gridDrift 32s linear infinite;
  pointer-events:none;
}
@keyframes gridDrift { from{background-position:0 0,0 0;} to{background-position:48px 48px,48px 48px;} }

/* ── PAGE HERO BANNER (inner pages) ── */
.page-hero {
  position:relative; overflow:hidden;
  padding:100px 0 80px;
  background: linear-gradient(160deg, #0a2348 0%, var(--navy-dark) 100%);
  border-bottom: 1px solid var(--border);
}
html[data-theme="light"] .page-hero {
  background: linear-gradient(160deg, #eef3fa 0%, var(--navy-dark) 100%);
}
.page-hero-inner { position:relative; z-index:1; }
.breadcrumb {
  font-size:10px; font-weight:700; letter-spacing:0.28em;
  text-transform:uppercase; color:var(--muted-dim);
  margin-bottom:24px;
}
.breadcrumb a { color:var(--muted-dim); text-decoration:none; }
.breadcrumb a:hover { color:var(--signal); }
.page-hero h1 {
  font-size:clamp(36px,6vw,68px);
  text-transform:uppercase;
  margin-bottom:24px;
}
.page-hero h1 em { color:var(--signal); font-style:normal; }
.page-hero p {
  font-size:16px; color:var(--muted); line-height:1.7;
  max-width:580px;
}

/* ── FOOTER ── */
.site-footer {
  position:relative; z-index:1;
  background: rgba(4,13,28,0.98);
  border-top:1px solid var(--border);
  padding:72px 0 40px;
}
html[data-theme="light"] .site-footer {
  background: rgba(247,249,252,0.98);
}
.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  margin-bottom:56px;
}
.footer-brand p {
  font-size:13px; color:var(--muted);
  line-height:1.7; margin-top:20px;
  max-width:280px;
}
.footer-col h4 {
  font-size:12px; font-weight:800; letter-spacing:0.32em;
  color:var(--signal); text-transform:uppercase; margin-bottom:20px;
}
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul li a {
  font-size:13px; color:var(--muted); text-decoration:none;
  transition:color 0.2s;
}
.footer-col ul li a:hover { color:var(--white); }
.footer-bottom {
  display:flex; justify-content:space-between; align-items:center;
  padding-top:24px; border-top:1px solid var(--border);
  font-size:11px; color:var(--muted-dim);
  letter-spacing:0.08em;
}
.footer-credit {
  text-align:center; padding-top:12px;
  font-size:11px; color:var(--muted-dim); letter-spacing:0.08em;
}
.footer-credit a { color:var(--muted-dim); text-decoration:underline; }
.footer-credit a:hover { color:var(--signal); }

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity:0; transform:translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity:1; transform:translateY(0); }

/* ── SCAN LINE (decorative) ── */
.scan-line {
  position:absolute; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, var(--signal), transparent);
  opacity:0.4; animation:scan 8s ease-in-out infinite;
}
@keyframes scan { 0%,100%{top:20%;opacity:0;} 50%{top:80%;opacity:0.5;} }

/* ── APPROACH BANNER ── */
.approach-banner {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  border-radius:4px;
  padding:48px;
  margin-top:40px;
  width:100%;
  box-sizing:border-box;
  overflow:hidden;
}
.approach-banner > div {
  min-width:0;
}
.approach-banner > div:first-child h3 {
  margin-top:0;
}
.approach-banner .btn-row {
  display:flex; gap:16px; margin-top:28px; flex-wrap:wrap;
}
.approach-stats {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  min-width:0;
}

/* ── STAT CHIP ── */
.stat-chip {
  display:flex; flex-direction:column;
  border:1px solid var(--border);
  padding:20px 28px; border-radius:2px;
  backdrop-filter:blur(4px);
  min-width:0;
  overflow:hidden;
}
.stat-chip .num {
  font-size:36px; font-weight:900; color:var(--signal);
  line-height:1; letter-spacing:-0.02em;
  white-space:nowrap;
}
.stat-chip .lbl {
  font-size:12px; font-weight:700; letter-spacing:0.26em;
  text-transform:uppercase; color:var(--muted); margin-top:6px;
}

/* ── DIVIDER LINE ── */
.h-rule {
  display:flex; align-items:center; gap:14px;
  margin:32px 0;
}
.h-rule .line { height:1px; flex:1; background:var(--border); }
.h-rule .dot {
  width:6px; height:6px; border-radius:50%;
  background:var(--signal);
  box-shadow:0 0 8px var(--signal);
}

/* ── BADGE PILL ── */
.badge {
  display:inline-flex; align-items:center; gap:9px;
  border:1px solid rgba(79,170,255,0.3);
  padding:8px 14px; border-radius:2px;
  font-size:12px; font-weight:800; letter-spacing:0.28em;
  color:var(--signal); text-transform:uppercase;
  backdrop-filter:blur(4px);
}
.badge .dot {
  width:6px; height:6px; border-radius:50%;
  background:var(--signal);
  box-shadow:0 0 8px var(--signal);
  animation:pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.3;} }

/* ── LINK ARROW ── */
.link-arrow {
  display:inline-flex; align-items:center; gap:6px;
  font-size:10px; font-weight:800; letter-spacing:0.22em;
  text-transform:uppercase; color:var(--signal);
  text-decoration:none; margin-top:20px;
  transition:gap 0.2s;
}
.link-arrow:hover { gap:10px; }

/* ── FORM ELEMENTS ── */
.form-group { margin-bottom:20px; }
.form-label {
  display:block; font-size:12px; font-weight:800;
  letter-spacing:0.28em; text-transform:uppercase;
  color:var(--muted); margin-bottom:8px;
}
.form-input, .form-select, .form-textarea {
  width:100%;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  color:var(--white);
  font-family:'Montserrat', sans-serif;
  font-size:13px; font-weight:500;
  padding:14px 16px;
  border-radius:2px;
  outline:none;
  transition:border-color 0.2s, box-shadow 0.2s;
}
html[data-theme="light"] .form-input,
html[data-theme="light"] .form-select,
html[data-theme="light"] .form-textarea {
  background:rgba(10,31,61,0.035);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color:var(--signal);
  box-shadow:0 0 0 3px rgba(79,170,255,0.12);
}
.form-select {
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234FAAFF' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
}
.form-select option { background:var(--navy-deep); }
.form-textarea { min-height:130px; resize:vertical; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* ── RESPONSIVE ── */
@media (max-width:900px) {
  .site-nav { width:calc(100% - 24px); }
  .nav-bar { padding:0 16px; }
  .container { padding:0 24px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .nav-links { display:none; }
  .nav-hamburger { display:flex; }
  .form-row { grid-template-columns:1fr; }
  .approach-banner { grid-template-columns:1fr; gap:32px; padding:32px; }
  .approach-banner > div:first-child h3 { font-size:18px; }
  .approach-banner > div:first-child p { font-size:14px; }
  .stat-chip .num { font-size:28px; }
}
@media (max-width:600px) {
  .footer-grid { grid-template-columns:1fr; }
  .section { padding:64px 0; }
  .approach-banner { padding:20px; gap:24px; }
  .approach-banner > div:first-child h3 { font-size:16px; }
  .approach-banner > div:first-child p { font-size:13px; }
  .approach-banner .btn { font-size:12px; padding:11px 18px; }
  .approach-stats { gap:10px; }
  .stat-chip { padding:14px 16px; }
  .stat-chip .num { font-size:22px; letter-spacing:-0.01em; }
  .stat-chip .lbl { letter-spacing:0.12em; font-size:10px; }
}