/* ========================================================
   Goshbob — Site Stylesheet
   Dark technical aesthetic · Bootstrap 5 overrides & custom
   ======================================================== */

/* --- CSS Custom Properties --- */
:root {
  --gb-bg:            #000000;
  --gb-bg-alt:        #030507af;
  --gb-surface:       #0c1016;
  --gb-surface-hover: #121820;
  --gb-border:        #1e2533;
  --gb-text:          #f2f4f7;
  --gb-text-muted:    #b4bcc8;
  --gb-text-dim:      #98a1b0;  /* AAA 8:1 on black */
  --gb-purple:        #7c4dff;
  --gb-purple-text:   #a98aff;  /* AAA 7.8:1 on black — for links, eyebrows, text */
  --gb-purple-hover:  #c4b0ff;
  --gb-orange:        #ff8a3d;
  --gb-orange-hover:  #ffab6e;
  --gb-footer-bg:     #100c21;
  --gb-radius:        1rem;
  --gb-radius-sm:     0.5rem;
  --gb-shadow:        0 10px 35px rgba(0,0,0,0.5);
  --gb-transition:    200ms ease;
  --gb-font:          'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --gb-font-mono:     'IBM Plex Mono', 'Roboto Mono', 'Courier New', monospace;
}

/* --- Base --- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--gb-font);
  background-color: #000000;
  color: var(--gb-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--gb-purple);
  color: #fff;
}

/* --- AAA Accessibility: Focus & Skip Link --- */
:focus-visible {
  outline: 3px solid var(--gb-orange);
  outline-offset: 2px;
}
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  background: var(--gb-orange);
  color: #000;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  border-radius: var(--gb-radius-sm);
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* Privacy notice text */
.privacy-notice {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--gb-text-dim);
  margin-top: 1rem;
}
.privacy-notice a {
  color: var(--gb-orange);
}
.privacy-notice a:hover {
  color: var(--gb-orange-hover);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gb-text);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem);  letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { color: var(--gb-text-muted); }
.lead { font-size: 1.15rem; color: var(--gb-text-muted); }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gb-purple-text);
  margin-bottom: 0.75rem;
}

/* --- Links --- */
a { color: var(--gb-purple-text); transition: color var(--gb-transition); }
a:hover { color: var(--gb-purple-hover); }

/* --- Buttons --- */
.btn-primary {
  background: var(--gb-purple);
  border-color: var(--gb-purple);
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--gb-radius-sm);
  transition: all var(--gb-transition);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--gb-purple-hover);
  border-color: var(--gb-purple-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(124,77,255,0.3);
}

.btn-outline-light {
  border-color: var(--gb-border);
  color: var(--gb-text);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--gb-radius-sm);
  transition: all var(--gb-transition);
}
.btn-outline-light:hover {
  background: var(--gb-surface);
  border-color: var(--gb-text-muted);
  color: #fff;
}

.btn-orange {
  background: var(--gb-orange);
  border: none;
  color: #111;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: var(--gb-radius-sm);
  transition: all var(--gb-transition);
}
.btn-orange:hover {
  background: var(--gb-orange-hover);
  color: #111;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,138,61,0.3);
}

/* --- Navbar --- */
.navbar {
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gb-border);
  transition: background var(--gb-transition), backdrop-filter var(--gb-transition);
}
/* Scrolled state — tighter background + logo swap */
.navbar.scrolled {
  background: rgba(0,0,0,0.98);
}

/* Logo — smooth crossfade between full logo and icon on scroll */
.navbar-brand {
  padding: 0;
  margin: 0;
  line-height: 0;
  position: relative;
  height: 150px;
  transition: height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar.scrolled .navbar-brand {
  height: 52px;
}
.navbar-brand .logo-large,
.navbar-brand .logo-small {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar-brand .logo-large {
  height: 150px;
  width: auto;
  opacity: 1;
}
.navbar-brand .logo-small {
  height: 48px;
  width: auto;
  opacity: 0;
  transform: translateY(-50%) scale(0.85);
}
/* Scrolled: crossfade large out, icon in */
.navbar.scrolled .navbar-brand .logo-large {
  opacity: 0;
  transform: translateY(-50%) scale(0.7);
  pointer-events: none;
}
.navbar.scrolled .navbar-brand .logo-small {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--gb-text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  transition: color var(--gb-transition);
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: #fff;
}
.navbar-dark .navbar-toggler {
  border-color: var(--gb-border);
}
/* Mobile offcanvas menu — full viewport takeover */
.offcanvas {
  background: #000 !important;
  color: var(--gb-text);
  border-left: 1px solid var(--gb-border) !important;
  position: fixed !important;
  top: 0 !important;
  bottom: 0 !important;
  height: 100vh !important;
  height: 100dvh !important;
  z-index: 1080;
}
.offcanvas .offcanvas-header {
  padding: 1.5rem 1.5rem 1rem;
}
.offcanvas .offcanvas-body {
  padding: 0 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.offcanvas .nav-link {
  font-size: 1.25rem;
  padding: 1rem 0;
  color: var(--gb-text-muted) !important;
  border-bottom: 1px solid var(--gb-border);
}
.offcanvas .nav-link:hover,
.offcanvas .nav-link.active { color: #fff !important; }
.offcanvas .btn-close { filter: invert(1); }

/* --- Sections --- */
section {
  padding: 5rem 0;
}
@media (min-width: 768px) {
  section { padding: 6.5rem 0; }
}

.section-alt { background: var(--gb-bg-alt); }

/* --- Hero --- */
.hero {
  padding: 7.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .hero { padding: 9.5rem 0 7rem; }
}
.hero h1 { margin-bottom: 1.25rem; }
.hero .lead { margin-bottom: 2rem; max-width: 560px; }

/* Hero visual column */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual svg {
  width: 100%;
  max-width: 420px;
  opacity: 1;
}

/* --- Legal pages — ultra-compact layout --- */
.legal-header {
  padding: 10.5rem 0 0;
  background: #000000;
}
.legal-header .eyebrow { margin-bottom: 0.25rem; }
.legal-header h1 { margin-bottom: 0.25rem; }
.legal-header .lead { margin-bottom: 0; max-width: 600px; }

/* Legal content section — no vertical whitespace */
.legal-header + section {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

/* Legal content card — edge-to-edge, minimal padding */
.legal-content .gb-card {
  max-width: 100%;
  padding: 1.25rem 1.5rem;
  height: auto;
  border-radius: var(--gb-radius-sm);
}
.legal-content {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.legal-content,
.legal-content p,
.legal-content h4 {
  font-family: var(--gb-font-mono) !important;
}
.legal-content h4 {
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.legal-content p {
  font-size: 0.88rem;
  line-height: 1.75;
}
.legal-content a {
  color: var(--gb-orange);
}
.legal-content a:hover {
  color: var(--gb-orange-hover);
}

/* --- Cards --- */
.gb-card {
  background: var(--gb-surface);
  border: 1px solid var(--gb-border);
  border-radius: var(--gb-radius);
  padding: 2rem;
  height: 100%;
  transition: all var(--gb-transition);
}
.gb-card:hover {
  background: var(--gb-surface-hover);
  border-color: rgba(124,77,255,0.25);
  transform: translateY(-3px);
  box-shadow: var(--gb-shadow);
}
.gb-card h3, .gb-card h4 {
  color: var(--gb-text);
  margin-bottom: 0.75rem;
}
.gb-card p { font-size: 0.95rem; }

/* Card icon — Goshbob Orange, no background */
.gb-card .card-icon {
  width: 48px;
  height: 48px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--gb-orange);
  font-size: 1.5rem;
}

/* --- Numbered Steps --- */
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 138, 61, 0.12);
  color: var(--gb-orange);
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

/* --- Value Strip --- */
.value-strip {
  background: var(--gb-bg-alt);
  border-top: 1px solid var(--gb-border);
  border-bottom: 1px solid var(--gb-border);
  padding: 2.5rem 0;
}
.value-strip .value-item {
  text-align: center;
  padding: 0.75rem 0.5rem;
}
.value-strip .value-item h5 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0;
  color: var(--gb-text);
}

/* --- CTA Band --- */
.cta-band {
  background: var(--gb-bg-alt);
  border-top: 1px solid var(--gb-border);
  border-bottom: 1px solid var(--gb-border);
  padding: 5rem 0;
  text-align: center;
}
.cta-band h2 { margin-bottom: 1rem; }
.cta-band p { max-width: 560px; margin: 0 auto 2rem; }

/* --- Lists --- */
.gb-list {
  list-style: none;
  padding: 0;
}
.gb-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--gb-border);
  color: var(--gb-text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.gb-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gb-purple-text);
  flex-shrink: 0;
  margin-top: 0.6rem;
}

/* --- Fit Guidance --- */
.fit-good { border-left: 3px solid var(--gb-purple-text); }
.fit-poor { border-left: 3px solid var(--gb-text-dim); }

/* --- Contact Form --- */
.form-control, .form-select {
  background: var(--gb-surface);
  border: 1px solid var(--gb-border);
  color: var(--gb-text);
  border-radius: var(--gb-radius-sm);
  padding: 0.75rem 1rem;
  transition: border-color var(--gb-transition);
}
.form-control:focus, .form-select:focus {
  background: var(--gb-surface);
  border-color: var(--gb-purple);
  color: var(--gb-text);
  box-shadow: 0 0 0 3px rgba(124,77,255,0.15);
}
.form-control::placeholder { color: var(--gb-text-dim); }
.form-label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--gb-text);
  margin-bottom: 0.4rem;
}
textarea.form-control { min-height: 140px; }

/* --- Footer --- */
.site-footer {
  background: var(--gb-footer-bg);
  border-top: 1px solid rgba(124, 77, 255, 0.2);
  padding: 2.5rem 0 1.5rem;
  font-size: 0.9rem;
}
.site-footer a {
  color: var(--gb-text-muted);
  text-decoration: none;
}
.site-footer a:hover { color: #fff; }
.footer-brand img {
  height: auto;
  width: 100%;
  max-width: 350px;
  display: block;
}
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-bottom {
  border-top: 1px solid var(--gb-border);
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  color: var(--gb-text-dim);
  font-size: 0.8rem;
}
.footer-bottom .d-flex.gap-3 {
  padding-right: 5rem;
}

/* --- Dividers --- */
.section-divider {
  border: 0;
  border-top: 1px solid var(--gb-border);
  margin: 0;
}

/* --- Scroll-to-top --- */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gb-purple);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--gb-transition);
  z-index: 999;
  cursor: pointer;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--gb-purple-hover); transform: translateY(-2px); }

/* --- Utility --- */
.text-purple { color: var(--gb-purple-text) !important; }
.text-orange { color: var(--gb-orange) !important; }
.bg-surface { background: var(--gb-surface) !important; }
.border-subtle { border-color: var(--gb-border) !important; }
.max-w-narrow { max-width: 680px; }
.max-w-mid { max-width: 820px; }

/* --- Responsive --- */
@media (max-width: 575px) {
  .hero { padding: 5.5rem 0 3.5rem; }
  section { padding: 3.5rem 0; }
  .gb-card { padding: 1.5rem; }
  .cta-band { padding: 3.5rem 0; }
}