/* ========================================
   KALMBACH.US – MODERN REDESIGN
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
  --color-bg: #0a0e17;
  --color-bg-elevated: #111827;
  --color-bg-card: rgba(17, 24, 39, 0.7);
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-accent-glow: rgba(59, 130, 246, 0.25);
  --color-green: #22c55e;
  --color-green-glow: rgba(34, 197, 94, 0.2);
  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-hero: linear-gradient(160deg, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.08) 50%, transparent 100%);
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--color-accent-glow);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2.5rem;
  }
}

/* --- Access Gate Behavior --- */
body[data-access-granted='false'] .showcase,
body[data-access-granted='false'] .services,
body[data-access-granted='false'] .site-footer {
  filter: blur(8px) saturate(0.5);
  pointer-events: none;
  user-select: none;
}

body[data-access-granted='true'] .access-gate {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* --- Top Navigation --- */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

@media (min-width: 768px) {
  .nav-inner {
    padding: 0 2.5rem;
  }
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-brand img {
  border-radius: 6px;
}

.nav-brand:hover {
  color: var(--color-accent-light);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link img {
  width: 16px;
  height: 16px;
  border-radius: 3px;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  background: var(--color-surface);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Mobile nav toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle:hover {
  background: var(--color-surface);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.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);
}

/* Mobile nav overlay */
@media (max-width: 767px) {
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 3.75rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem;
    gap: 0.25rem;
    animation: slideDown 0.3s ease;
  }

  .nav-links.open .nav-link {
    font-size: 1.05rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
  }

  .nav-links.open .nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
  }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Access Gate --- */
.access-gate {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(5, 8, 14, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.access-gate-panel {
  width: min(100%, 420px);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(59, 130, 246, 0.08);
  text-align: center;
}

.gate-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  color: #fff;
  margin-bottom: 1.25rem;
}

.access-gate-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.access-gate-panel h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.access-gate-status {
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.turnstile-widget {
  min-height: 65px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.turnstile-fallback {
  margin-top: 1rem;
  color: var(--color-text-dim);
}

/* --- Hero / Showcase --- */
.showcase {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 3.75rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('https://images.pexels.com/photos/1629236/pexels-photo-1629236.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1 no-repeat center center / cover;
  z-index: -2;
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 14, 23, 0.92) 0%, rgba(10, 14, 23, 0.7) 40%, rgba(10, 14, 23, 0.85) 100%),
    var(--gradient-hero);
  z-index: -1;
}

.showcase-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.75rem;
  padding: 3rem 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-green);
  background: var(--color-green-glow);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-full);
  letter-spacing: 0.01em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  max-width: 34rem;
  font-size: clamp(1.05rem, 1.2vw + 0.85rem, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
  margin-top: 0.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  letter-spacing: -0.005em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* --- Services Section --- */
.services {
  padding: 5rem 0 4rem;
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(80%, 600px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.section-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  text-align: center;
  margin-bottom: 2rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

.service-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.service-card:hover {
  background: rgba(17, 24, 39, 0.9);
  border-color: var(--color-border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.service-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.service-icon img {
  width: 28px;
  height: 28px;
}

.service-icon-plex {
  background: rgba(229, 167, 58, 0.12);
}

.service-icon-overseerr {
  background: rgba(127, 92, 250, 0.12);
}

.service-icon-status {
  background: rgba(34, 197, 94, 0.12);
}

.service-icon-login {
  background: rgba(251, 146, 60, 0.12);
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.service-card p {
  font-size: 0.825rem;
  color: var(--color-text-dim);
}

/* --- Footer --- */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.footer-inner a {
  color: var(--color-accent-light);
  transition: color var(--transition-fast);
}

.footer-inner a:hover {
  color: var(--color-accent);
}

/* --- Utility Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.showcase-inner > * {
  animation: fadeInUp 0.6s ease both;
}

.showcase-inner > *:nth-child(1) { animation-delay: 0.1s; }
.showcase-inner > *:nth-child(2) { animation-delay: 0.2s; }
.showcase-inner > *:nth-child(3) { animation-delay: 0.3s; }
.showcase-inner > *:nth-child(4) { animation-delay: 0.4s; }

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Selection --- */
::selection {
  background: rgba(59, 130, 246, 0.3);
  color: #fff;
}