/* ============================================================
   DUCKSTER DIGITAL SOLUTIONS - The Sentinel's Studio
   A high-fidelity technical aesthetic for elite security.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@300,400,500,700&display=swap');

:root {
  /* Sentinel Palette - Restrained & Precise */
  --primary: oklch(85% 0.2 145); /* Sentinel Green */
  --primary-muted: oklch(40% 0.1 145);
  
  --background: oklch(12% 0.01 240); /* Deep Obsidian */
  --surface: oklch(16% 0.015 240);
  --surface-hover: oklch(18% 0.015 240);
  --surface-border: oklch(25% 0.02 240);
  
  --text-main: oklch(98% 0.005 240);
  --text-muted: oklch(70% 0.01 240);
  --text-dim: oklch(45% 0.01 240);
  --error: oklch(65% 0.2 25);
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Alpha Palette */
  --primary-alpha-12: oklch(85% 0.2 145 / 12%);
  --primary-alpha-20: oklch(85% 0.2 145 / 20%);
  --primary-alpha-25: oklch(85% 0.2 145 / 25%);
  --primary-alpha-30: oklch(85% 0.2 145 / 30%);
  --primary-alpha-40: oklch(85% 0.2 145 / 40%);
  --bg-alpha-40: oklch(14% 0.012 240 / 40%);
  --bg-alpha-60: oklch(12% 0.01 240 / 60%);
  --bg-alpha-75: oklch(12% 0.01 240 / 75%);
  --bg-alpha-95: oklch(14% 0.012 240 / 95%);
  --bg-alpha-90: oklch(12% 0.01 240 / 90%);
  --bg-alpha-98: oklch(10% 0.01 240 / 98%);
  --surface-alpha-60: oklch(18% 0.015 240 / 60%);
  --shadow-dark: oklch(0% 0 0 / 50%);
  
  /* Semantic Spacing Scale */
  --space-xs: 0.5rem;    /* 8px, tight sibling gap */
  --space-sm: 1rem;      /* 16px, within groups */
  --space-md: 1.5rem;    /* 24px, element breathing */
  --space-lg: 2.5rem;    /* 40px, group separation */
  --space-xl: 4rem;      /* 64px, section internal */
  --space-2xl: 6rem;     /* 96px, section gap */
  --space-3xl: clamp(6rem, 8vw, 10rem); /* fluid generous separation */

  /* Motion Tokens: exponential ease-out, no bounce/elastic */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-hero: 1.4s;
  --duration-long: 1.2s;
  --duration-std: 0.6s;
  --duration-fast: 0.3s;
  --duration-snap: 0.15s;
  --safe-top: env(safe-area-inset-top, 0px);
}

/* --- Base --- */
html, body {
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
  background-color: var(--background);
  color: var(--text-main);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Satoshi', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Token utility fallbacks for pages using Tailwind CDN config. */
.bg-obsidian { background-color: var(--background); }
.bg-charcoal { background-color: var(--surface); }
.text-sentinel { color: var(--primary); }
.text-text-main { color: var(--text-main); }
.text-text-muted { color: var(--text-muted); }
.text-text-dim { color: var(--text-dim); }
.border-surface-border { border-color: var(--surface-border); }
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }

/* Sentinel green text glow — for headline accents */
.text-glow-primary {
  text-shadow: 0 0 80px oklch(85% 0.2 145 / 28%), 0 0 25px oklch(85% 0.2 145 / 16%);
}

/* Global Technical Grain */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
  z-index: 1000;
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--primary);
  z-index: 9999;
  transition: none;
  box-shadow: 0 0 8px var(--primary-alpha-40);
}

/* --- Typography --- */
h1, h2, h3, h4, .font-display {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- Layout Utilities --- */
.container-sentinel {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.asymmetric-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2.5rem;
}

/* --- Fluid Section Spacing --- */
.section-generous { padding-block: clamp(6rem, 8vw, 10rem); }
.section-standard { padding-block: clamp(4rem, 6vw, 8rem); }
.section-compact  { padding-block: clamp(3rem, 4vw, 5rem); }

/* Section divider: subtle gradient line between sections */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--surface-border) 30%, var(--primary-muted) 50%, var(--surface-border) 70%, transparent 95%);
  opacity: 0.5;
}

/* --- The Sentinel Components --- */

/* Technical Signal Label */
.label-signal {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--primary);
  border: 1px solid var(--primary-muted);
  padding: 2px 8px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.label-signal::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  animation: signal-pulse 3s var(--ease-out-quart) infinite;
}

@keyframes signal-pulse {
  0%, 100% { box-shadow: 0 0 4px var(--primary); opacity: 1; }
  50% { box-shadow: 0 0 12px var(--primary), 0 0 24px var(--primary-alpha-30); opacity: 0.7; }
}

/* Precision Button */
.btn-sentinel {
  position: relative;
  display: inline-flex;
  padding: 1rem 2.5rem;
  background: transparent;
  border: 1px solid var(--surface-border);
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  text-decoration: none;
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out-expo),
              color var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-fast) var(--ease-out-expo);
  z-index: 1;
}

/* Sweep fill on hover */
.btn-sentinel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-std) var(--ease-out-expo);
  z-index: -1;
}

.btn-sentinel:hover::before {
  transform: scaleX(1);
}

.btn-sentinel:hover {
  border-color: var(--primary);
  color: var(--background);
  box-shadow: 0 4px 20px -5px var(--primary-alpha-25);
}

.btn-sentinel:focus-visible,
.mobile-menu-btn:focus-visible,
a:focus-visible {
  outline: 1px solid var(--primary);
  outline-offset: 4px;
}

.btn-sentinel:active {
  transform: scale(0.97);
  transition: transform var(--duration-snap) var(--ease-out-quart);
}

/* Sentinel Card */
.sentinel-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  padding: 2.5rem;
  transition: transform var(--duration-std) var(--ease-out-expo),
              border-color var(--duration-fast),
              box-shadow var(--duration-std) var(--ease-out-expo);
}

.sentinel-card:hover {
  border-color: var(--primary-muted);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px -12px var(--primary-alpha-12);
}

.sentinel-card:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 16px var(--primary-alpha-20);
  outline: none;
}

/* Specific focus state for selection nodes with nested radio/checkbox */
.booking-option:focus-within,
label:has(.peer):focus-within .sentinel-card {
  border-color: var(--primary);
  box-shadow: 0 0 16px var(--primary-alpha-30);
  transform: translateY(-2px);
}

/* --- Technical Readability & Vertical Rhythm --- */
.font-mono {
  line-height: 1.5;
}

.telemetry-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--surface-border);
}

.telemetry-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* --- Choreographed Page-Load & Scroll Reveals --- */

/* Base reveal: fade + slide up */
.reveal-sentinel {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-long) var(--ease-out-expo),
              transform var(--duration-long) var(--ease-out-expo);
}

.reveal-sentinel.active {
  opacity: 1;
  transform: translateY(0);
}

/* Hero-specific: larger travel, longer duration */
.reveal-hero {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity var(--duration-hero) var(--ease-out-expo),
              transform var(--duration-hero) var(--ease-out-expo);
}

.reveal-hero.active {
  opacity: 1;
  transform: translateY(0);
}

/* Reveal from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--duration-long) var(--ease-out-expo),
              transform var(--duration-long) var(--ease-out-expo);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal from right */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--duration-long) var(--ease-out-expo),
              transform var(--duration-long) var(--ease-out-expo);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* Scale-in reveal for images/cards */
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity var(--duration-long) var(--ease-out-expo),
              transform var(--duration-long) var(--ease-out-expo);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Slow ambient zoom */
@keyframes slow-zoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}

.animate-slow-zoom {
  animation: slow-zoom 20s ease-in-out infinite alternate;
}

/* HUD scan line */
@keyframes scan-line {
  0% { transform: translateY(-100%); opacity: 0; }
  10% { opacity: 0.2; }
  90% { opacity: 0.2; }
  100% { transform: translateY(800px); opacity: 0; }
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  animation: scan-line 8s linear infinite;
  pointer-events: none;
  z-index: 15;
}

/* Tactical HUD Utilities */
.hud-console {
  background: var(--bg-alpha-60);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

.hud-bracket-l { border-left: 2px solid var(--primary); padding-left: 1.5rem; }
.hud-bracket-r { border-right: 2px solid var(--primary); padding-right: 1.5rem; }

/* Asymmetric Offsets */
.offset-right { grid-column: 2 / span 10; }
.offset-left { grid-column: 1 / span 10; }

@media (max-width: 1024px) {
  .asymmetric-grid { display: flex; flex-direction: column; }
  .offset-right, .offset-left { grid-column: auto; }
}

/* --- Navigation --- */
nav {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 9000 !important;
  padding-top: calc(2rem + var(--safe-top)) !important;
  transition: all var(--duration-std) var(--ease-out-expo);
  background-color: var(--background);
  border-bottom: 1px solid var(--surface-border);
  box-shadow: 0 -120px 0 120px var(--background);
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  -webkit-backface-visibility: hidden;
}

nav::before {
  content: "";
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  height: calc(var(--safe-top) + 1px);
  background-color: var(--background);
  pointer-events: none;
}

nav.navbar-scrolled {
  padding-top: calc(1.25rem + var(--safe-top)) !important;
  padding-bottom: 1.25rem !important;
  background-color: var(--background);
  border-bottom: 1px solid var(--surface-border);
  box-shadow: 0 -120px 0 120px var(--background), 0 10px 30px -10px var(--shadow-dark);
}

/* Sentinel Accent Line for scrolled state */
nav.navbar-scrolled::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-muted), transparent);
  opacity: 0.4;
}

/* Nav link hover underline */
nav a[class*="tracking-widest"] {
  position: relative;
}

nav a[class*="tracking-widest"]::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

nav a[class*="tracking-widest"]:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--background); }
::-webkit-scrollbar-thumb { background: var(--surface-border); }
::-webkit-scrollbar-thumb:hover { background: var(--primary-muted); }

/* Scroll indicator pip */
@keyframes scroll-pip-fall {
  0%   { transform: translateY(-100%); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(350%); opacity: 0; }
}

.scroll-indicator-pip {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: var(--primary);
  animation: scroll-pip-fall 2.4s var(--ease-out-quint) infinite;
}

/* --- HUD Delight Animations --- */
@keyframes data-flicker {
  0% { opacity: 1; }
  3% { opacity: 0.4; }
  6% { opacity: 1; }
  7% { opacity: 0.4; }
  8% { opacity: 1; }
  9% { opacity: 1; }
  10% { opacity: 0.8; }
  100% { opacity: 1; }
}

.animate-data-flicker {
  animation: data-flicker 4s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Services Dropdown --- */
.nav-dropdown-trigger {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  padding-top: 1.5rem; /* bridge zone */
  transform: translateX(-50%);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out-expo),
              visibility var(--duration-fast);
}

.nav-dropdown-trigger .nav-dropdown.hidden {
  display: block;
}

.nav-dropdown-trigger:hover .nav-dropdown,
.nav-dropdown-trigger:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-dropdown-panel {
  min-width: 300px;
  background: var(--bg-alpha-95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--surface-border);
  position: relative;
  overflow: hidden;
  transform: translateY(8px);
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.nav-dropdown-trigger:hover .nav-dropdown-panel,
.nav-dropdown-trigger:focus-within .nav-dropdown-panel {
  transform: translateY(0);
}

/* Top sentinel accent line */
.nav-dropdown-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-muted), transparent);
}

/* HUD corner */
.nav-dropdown-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--primary-muted);
  border-right: 1px solid var(--primary-muted);
  pointer-events: none;
}

.nav-dropdown-item {
  display: block;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  position: relative;
  transition: background var(--duration-fast),
              padding-left var(--duration-fast) var(--ease-out-expo);
}

.nav-dropdown-item:hover {
  background: var(--surface-alpha-60);
  padding-left: 2rem;
}

.nav-dropdown-item + .nav-dropdown-item {
  border-top: 1px solid var(--surface-border);
}

/* --- Footer Social Icons --- */
footer .flex a[aria-label] {
  transition: color var(--duration-fast),
              transform var(--duration-fast) var(--ease-out-expo);
}

footer .flex a[aria-label]:hover {
  transform: translateY(-3px);
}

/* --- Logo Ticker --- */
.ticker-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  background: var(--bg-alpha-40);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
  padding: 2rem 0;
}

/* Edge masking for smooth fade in/out */
.ticker-container::before,
.ticker-container::after {
  content: "";
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.ticker-container::before {
  left: 0;
  background: linear-gradient(to right, var(--background), transparent);
}

.ticker-container::after {
  right: 0;
  background: linear-gradient(to left, var(--background), transparent);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: scroll-left 40s linear infinite;
  gap: 5rem;
  align-items: center;
}

.ticker-track:hover {
  animation-play-state: paused;
}

@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0.4;
  transition: opacity var(--duration-fast) var(--ease-out-expo),
              filter var(--duration-fast) var(--ease-out-expo),
              transform var(--duration-fast) var(--ease-out-expo);
  filter: grayscale(1);
}

.ticker-item:hover {
  opacity: 1;
  filter: grayscale(0);
  transform: scale(1.08);
}

.ticker-logo {
  height: 20px;
  width: auto;
  opacity: 0.8;
}

.ticker-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* --- Form Focus Animations --- */
input:focus,
textarea:focus,
select:focus {
  box-shadow: 0 0 0 1px var(--primary), 0 0 12px -4px var(--primary-alpha-20);
  transition: box-shadow var(--duration-fast) var(--ease-out-expo),
              border-color var(--duration-fast) var(--ease-out-expo);
}

/* --- Mobile Navigation & Bottom Bar --- */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--surface-border);
  cursor: pointer;
  z-index: 210;
  transition: border-color var(--duration-fast);
}

.mobile-menu-btn:hover {
  border-color: var(--primary-muted);
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--text-main);
  transition: transform var(--duration-fast) var(--ease-out-expo),
              opacity var(--duration-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-3px) rotate(-45deg);
}

.mobile-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(64px + env(safe-area-inset-bottom, 0px));
  background: var(--bg-alpha-90);
  border-top: 1px solid var(--surface-border);
  display: none;
  grid-template-columns: repeat(4, 1fr);
  z-index: 9000;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-muted);
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color var(--duration-fast);
}

.bottom-nav-item span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.bottom-nav-item.active,
.bottom-nav-item:active {
  color: var(--primary);
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 9500;
  background: var(--background);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--duration-std) var(--ease-out-expo),
              transform var(--duration-std) var(--ease-out-expo),
              visibility var(--duration-std);
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--surface-border);
}

.mobile-drawer-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.mobile-drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-section {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-nav-link {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: none;
  border: none;
  padding: 0;
  width: 100%;
  text-align: left;
  transition: color var(--duration-fast);
}

.mobile-nav-link .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 400;
  color: var(--text-muted);
  opacity: 0.3;
}

.mobile-nav-link.active-link {
  color: var(--primary);
}

.mobile-nav-row {
  display: flex;
  align-items: center;
  gap: 0;
}

.mobile-nav-row .mobile-nav-link {
  flex: 1;
}

.mobile-expand-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--surface-border);
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--duration-fast), color var(--duration-fast);
}

.mobile-expand-btn:hover {
  border-color: var(--primary-muted);
  color: var(--primary);
}

.mobile-sub-links {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding-left: 2.5rem;
  margin-top: 0.5rem;
  border-left: 1px solid var(--surface-border);
}

.mobile-sub-links.open {
  display: flex;
}

.mobile-sub-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mobile-sub-links a.active-link {
  color: var(--primary);
}

.mobile-drawer-footer {
  padding: 2rem;
  border-top: 1px solid var(--surface-border);
  background: var(--surface);
}

@media (max-width: 1023px) {
  .mobile-menu-btn {
    display: none; /* Hide top hamburger, use bottom nav MENU instead */
  }

  .mobile-bottom-nav {
    display: grid;
  }

  .mobile-cart-btn {
    display: none; /* Handled by bottom nav */
  }
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 1023px) {
  nav {
    padding: 1rem 1.5rem !important;
  }
  
  main {
    padding-bottom: 80px; /* Space for bottom nav */
  }
}


@media (min-width: 1024px) {
  .mobile-cart-btn {
    display: none;
  }
}

/* --- Footer Social Touch Targets --- */
footer .flex a[aria-label] {
  padding: 0.75rem;
  margin: -0.75rem;
}

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

  .reveal-sentinel,
  .reveal-hero,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }

  .scroll-progress {
    display: none;
  }
}