/**
 * ============================================================
 * BC TRANSPORTER — DESIGN SYSTEM v3.0
 * Modern, Elegant, Responsive, Dark-First
 * ============================================================
 * Philosophy: Mobile-first, semantic, accessible, performant.
 * Fonts: Inter (body), Syne (display), JetBrains Mono (mono)
 */

/* ─── GOOGLE FONTS (fallback if not loaded in HTML) ─── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Syne:wght@600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ═══════════════════════════════════════════════════════════
   1. DESIGN TOKENS (CSS Custom Properties)
   ═══════════════════════════════════════════════════════════ */
:root {
  /* ── Colors ── */
  --color-bg-deep:        #020617;
  --color-bg-base:        #0b1121;
  --color-bg-elevated:    #0f172a;
  --color-bg-surface:     #131c31;
  --color-bg-glass:       rgba(15, 23, 42, 0.55);

  --color-text-primary:   #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary:  #64748b;
  --color-text-muted:     #475569;

  --color-accent-blue:    #06b6d4;
  --color-accent-blue-glow: rgba(6, 182, 212, 0.45);
  --color-accent-green:   #10b981;
  --color-accent-green-glow: rgba(16, 185, 129, 0.45);
  --color-accent-orange:  #f59e0b;
  --color-accent-orange-glow: rgba(245, 158, 11, 0.45);
  --color-accent-purple:  #8b5cf6;
  --color-accent-purple-glow: rgba(139, 92, 246, 0.45);
  --color-accent-pink:    #ec4899;
  --color-accent-red:     #ef4444;
  --color-accent-cyan:    #22d3ee;

  --color-border-subtle:  rgba(255, 255, 255, 0.08);
  --color-border-default: rgba(255, 255, 255, 0.12);
  --color-border-hover:   rgba(255, 255, 255, 0.20);
  --color-border-accent:  rgba(6, 182, 212, 0.35);

  /* ── Typography ── */
  --font-sans:   'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Syne', var(--font-sans);
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --text-xs:  0.75rem;   /* 12px */
  --text-sm:  0.875rem;  /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg:  1.125rem;  /* 18px */
  --text-xl:  1.25rem;   /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */
  --text-6xl: 3.75rem;   /* 60px */

  --font-light:   300;
  --font-normal:  400;
  --font-medium:  500;
  --font-semibold:600;
  --font-bold:    700;
  --font-extrabold: 800;

  --leading-tight: 1.2;
  --leading-snug:  1.35;
  --leading-normal:1.6;
  --leading-relaxed:1.75;

  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide:  0.05em;
  --tracking-wider: 0.1em;

  /* ── Spacing ── */
  --space-1: 0.25rem;   /* 4px  */
  --space-2: 0.5rem;    /* 8px  */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* ── Radii ── */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-2xl: 32px;
  --radius-pill: 9999px;

  /* ── Shadows ── */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.25);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg:  0 10px 30px rgba(0,0,0,0.4);
  --shadow-xl:  0 20px 50px rgba(0,0,0,0.5);
  --shadow-glow-blue:  0 0 20px var(--color-accent-blue-glow);
  --shadow-glow-green: 0 0 20px var(--color-accent-green-glow);
  --shadow-glow-orange:0 0 20px var(--color-accent-orange-glow);
  --shadow-glow-purple:0 0 20px var(--color-accent-purple-glow);

  /* ── Transitions ── */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* ── Layout ── */
  --header-height: 72px;
  --container-max: 1280px;
  --container-narrow: 720px;
}

/* ═══════════════════════════════════════════════════════════
   2. RESET & BASE
   ═══════════════════════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-deep);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ═══════════════════════════════════════════════════════════
   3. ANIMATIONS
   ═══════════════════════════════════════════════════════════ */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%      { opacity: 0.8; transform: scale(1.05); }
}

@keyframes pulse-dot {
  0%   { transform: scale(0.95); opacity: 0.6; }
  50%  { transform: scale(1.2);  opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.6; }
}

@keyframes shimmer {
  0%   { left: -150%; }
  100% { left: 150%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-fade-in     { animation: fade-in 0.6s ease-out forwards; }
.animate-fade-in-up  { animation: fade-in-up 0.6s ease-out forwards; }
.animate-fade-in-down{ animation: fade-in-down 0.4s ease-out forwards; }
.animate-scale-in    { animation: scale-in 0.4s ease-out forwards; }
.animate-pulse-glow  { animation: pulse-glow 8s infinite alternate; }
.animate-float       { animation: float 4s ease-in-out infinite; }

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  animation: fade-in-up 0.5s ease-out forwards;
}
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.10s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.20s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.30s; }

/* ═══════════════════════════════════════════════════════════
   4. BACKGROUNDS & EFFECTS
   ═══════════════════════════════════════════════════════════ */
.bg-deep      { background-color: var(--color-bg-deep); }
.bg-base      { background-color: var(--color-bg-base); }
.bg-elevated  { background-color: var(--color-bg-elevated); }
.bg-surface   { background-color: var(--color-bg-surface); }
.bg-glass     {
  background: var(--color-bg-glass);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
}

/* Gradient backgrounds */
.bg-gradient-radial {
  background:
    radial-gradient(circle at 20% 30%, rgba(6, 182, 212, 0.10) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 45%),
    var(--color-bg-deep);
}

.bg-gradient-hero {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  background-color: var(--color-bg-deep);
  animation: pulse-glow 10s infinite alternate;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   5. TYPOGRAPHY UTILITIES
   ═══════════════════════════════════════════════════════════ */
.font-sans    { font-family: var(--font-sans); }
.font-display { font-family: var(--font-display); }
.font-mono    { font-family: var(--font-mono); }

.text-xs  { font-size: var(--text-xs); }
.text-sm  { font-size: var(--text-sm); }
.text-base{ font-size: var(--text-base); }
.text-lg  { font-size: var(--text-lg); }
.text-xl  { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }

.font-light    { font-weight: var(--font-light); }
.font-normal   { font-weight: var(--font-normal); }
.font-medium   { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold     { font-weight: var(--font-bold); }
.font-extrabold{ font-weight: var(--font-extrabold); }

.leading-tight  { line-height: var(--leading-tight); }
.leading-snug   { line-height: var(--leading-snug); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed{ line-height: var(--leading-relaxed); }

.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal{ letter-spacing: var(--tracking-normal); }
.tracking-wide  { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }

.text-primary   { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary  { color: var(--color-text-tertiary); }
.text-muted     { color: var(--color-text-muted); }

.text-gradient {
  background: linear-gradient(135deg, #ffffff 20%, var(--color-accent-blue) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #ffffff 30%, var(--color-accent-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-orange {
  background: linear-gradient(135deg, #ffffff 30%, var(--color-accent-orange) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ═══════════════════════════════════════════════════════════
   6. LAYOUT UTILITIES
   ═══════════════════════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* Flex */
.flex      { display: flex; }
.inline-flex{ display: inline-flex; }
.grid      { display: grid; }
.hidden    { display: none; }
.block     { display: block; }

.flex-col     { flex-direction: column; }
.flex-row     { flex-direction: row; }
.flex-wrap    { flex-wrap: wrap; }
.flex-nowrap  { flex-wrap: nowrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.items-end    { align-items: flex-end; }
.justify-center{ justify-content: center; }
.justify-between{ justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end   { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Responsive grid */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .sm\:flex-row    { flex-direction: row; }
}
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .md\:flex-row    { flex-direction: row; }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

/* Spacing */
.p-1  { padding: var(--space-1); }
.p-2  { padding: var(--space-2); }
.p-3  { padding: var(--space-3); }
.p-4  { padding: var(--space-4); }
.p-6  { padding: var(--space-6); }
.p-8  { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }

.py-4  { padding-top: var(--space-4);  padding-bottom: var(--space-4); }
.py-6  { padding-top: var(--space-6);  padding-bottom: var(--space-6); }
.py-8  { padding-top: var(--space-8);  padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-20 { padding-top: var(--space-20); padding-bottom: var(--space-20); }

.px-4  { padding-left: var(--space-4);  padding-right: var(--space-4); }
.px-6  { padding-left: var(--space-6);  padding-right: var(--space-6); }
.px-8  { padding-left: var(--space-8);  padding-right: var(--space-8); }

.m-auto { margin: auto; }
.mx-auto{ margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.sticky   { position: sticky; }
.inset-0  { inset: 0; }
.z-10     { z-index: 10; }
.z-50     { z-index: 50; }
.z-100    { z-index: 100; }

/* Size */
.w-full   { width: 100%; }
.h-full   { height: 100%; }
.min-h-screen { min-height: 100vh; min-height: 100dvh; }

/* Text align */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }
.text-justify { text-align: justify; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }
.overflow-x-hidden { overflow-x: hidden; }

/* ═══════════════════════════════════════════════════════════
   7. COMPONENTS
   ═══════════════════════════════════════════════════════════ */

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  text-decoration: none;
  border: 1px solid var(--color-border-default);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--color-border-hover);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-blue), #2563eb);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}
.btn-primary:hover {
  box-shadow: var(--shadow-glow-blue), 0 8px 25px rgba(6, 182, 212, 0.35);
  background: linear-gradient(135deg, #22d3ee, var(--color-accent-blue));
}

.btn-green {
  background: linear-gradient(135deg, var(--color-accent-green), #059669);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-green:hover {
  box-shadow: var(--shadow-glow-green), 0 8px 25px rgba(16, 185, 129, 0.35);
}

.btn-orange {
  background: linear-gradient(135deg, var(--color-accent-orange), #d97706);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}
.btn-orange:hover {
  box-shadow: var(--shadow-glow-orange), 0 8px 25px rgba(245, 158, 11, 0.35);
}

.btn-purple {
  background: linear-gradient(135deg, var(--color-accent-purple), #7c3aed);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}
.btn-purple:hover {
  box-shadow: var(--shadow-glow-purple), 0 8px 25px rgba(139, 92, 246, 0.35);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--color-text-primary);
}

.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

/* ── Card ── */
.card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
}

.card-accent-blue:hover  { border-color: var(--color-accent-blue);  box-shadow: var(--shadow-glow-blue); }
.card-accent-green:hover { border-color: var(--color-accent-green); box-shadow: var(--shadow-glow-green); }
.card-accent-orange:hover{ border-color: var(--color-accent-orange);box-shadow: var(--shadow-glow-orange); }
.card-accent-purple:hover{ border-color: var(--color-accent-purple);box-shadow: var(--shadow-glow-purple); }

.card-body {
  position: relative;
  z-index: 1;
}

/* ── Input ── */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: var(--transition-base);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15), 0 0 15px rgba(6, 182, 212, 0.2);
}

/* ── Select ── */
.select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-right: var(--space-10);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-text-secondary) 50%),
    linear-gradient(135deg, var(--color-text-secondary) 50%, transparent 50%);
  background-position: calc(100% - 1rem) calc(50% - 2px), calc(100% - 0.7rem) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition: var(--transition-base);
}

.select:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.select option {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.badge-blue {
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--color-accent-cyan);
}

.badge-green {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--color-accent-green);
}

.badge-orange {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--color-accent-orange);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  color: var(--color-accent-purple);
}

/* ── Separator ── */
.separator {
  width: 50px;
  height: 2px;
  background: var(--color-accent-blue);
  border-radius: var(--radius-pill);
  margin: var(--space-4) auto;
}

/* ═══════════════════════════════════════════════════════════
   8. HEADER & NAVIGATION
   ═══════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: var(--space-3) 0;
  background: rgba(10, 15, 30, 0.60);
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.scrolled {
  background: rgba(5, 8, 15, 0.88);
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(0, 255, 170, 0.15);
  box-shadow: 0 10px 40px rgba(0, 255, 170, 0.08), 0 0 20px rgba(59, 130, 246, 0.08);
}

.site-header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  display: flex;
  align-items: center;
  gap: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
}

.brand-bc {
  background: linear-gradient(90deg, #FF6B35 0%, #F4A261 25%, #90BE6D 60%, #43AA8B 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: var(--font-extrabold);
}

.brand-dot { color: #00A4EF; font-weight: var(--font-extrabold); margin: 0 -0.04em; }
.brand-t   { color: #FFFFFF; font-weight: var(--font-extrabold); text-shadow: 0 0 15px rgba(255,255,255,0.15); }

.brand-tagline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: #00ffaa;
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border: 1px solid rgba(0, 255, 170, 0.25);
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), rgba(0, 255, 170, 0.08));
  box-shadow: inset 0 0 10px rgba(0, 255, 170, 0.06), 0 0 12px rgba(0, 255, 170, 0.08);
  text-shadow: 0 0 10px rgba(0, 255, 170, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  overflow: hidden;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #00ffaa, transparent);
  transition: all 0.4s ease;
  transform: translateX(-50%);
  box-shadow: 0 0 12px #00ffaa;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  transform: translateY(-1px);
}

.nav-link:hover::after { width: 75%; }

.nav-link i {
  font-size: var(--text-base);
  color: #3b82f6;
  transition: var(--transition-base);
}

.nav-link:hover i {
  color: #00ffaa;
  transform: translateY(-2px) scale(1.1);
  text-shadow: 0 0 12px #00ffaa;
}

.nav-link.active {
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.12), rgba(0, 255, 170, 0.06));
  border-color: rgba(0, 255, 170, 0.18);
  color: #fff;
  box-shadow: 0 0 16px rgba(0, 255, 170, 0.08), inset 0 0 8px rgba(0, 255, 170, 0.04);
}

.nav-link.active::after {
  width: 100%;
  background: linear-gradient(90deg, #3b82f6, #00ffaa);
}

.nav-link.active i { color: #00ffaa; text-shadow: 0 0 8px #00ffaa; }

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  color: #00ffaa;
  font-size: var(--text-xl);
  background: rgba(0, 255, 170, 0.06);
  border: 1px solid rgba(0, 255, 170, 0.2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
}

.mobile-toggle:hover {
  background: rgba(0, 255, 170, 0.12);
  box-shadow: 0 0 16px rgba(0, 255, 170, 0.2);
  transform: scale(1.05);
}

/* Mobile overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 15, 0.92);
  backdrop-filter: blur(35px) saturate(200%);
  -webkit-backdrop-filter: blur(35px) saturate(200%);
  z-index: 1001;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-overlay.active { opacity: 1; pointer-events: all; }

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: min(90%, 400px);
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition-base);
}

.mobile-nav-link:hover, .mobile-nav-link:active {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), rgba(0, 255, 170, 0.1));
  border-color: rgba(0, 255, 170, 0.25);
  color: #fff;
  transform: translateX(8px);
  box-shadow: 0 10px 25px rgba(0, 255, 170, 0.12);
}

.mobile-nav-link i {
  color: #3b82f6;
  transition: var(--transition-base);
}

.mobile-nav-link:hover i {
  color: #00ffaa;
  text-shadow: 0 0 12px #00ffaa;
  transform: translateX(4px) scale(1.1);
}

/* Header responsive */
@media (max-width: 1100px) {
  .brand-tagline { display: none; }
}

@media (max-width: 968px) {
  .main-nav { display: none; }
  .mobile-toggle { display: block; }
  .site-header-inner { padding: 0 var(--space-4); }
}

/* ═══════════════════════════════════════════════════════════
   9. FOOTER
   ═══════════════════════════════════════════════════════════ */
.site-footer {
  padding: var(--space-16) var(--space-6);
  text-align: center;
  border-top: 1px solid var(--color-border-subtle);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-4);
}

.footer-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  max-width: 800px;
  margin: var(--space-6) auto 0;
  line-height: var(--leading-relaxed);
  text-align: justify;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: var(--space-4);
}

.footer-link {
  text-decoration: none;
  font-weight: var(--font-semibold);
  color: var(--color-accent-orange);
  transition: var(--transition-base);
}

.footer-link:hover {
  color: var(--color-accent-green);
  text-shadow: 0 0 8px var(--color-accent-orange-glow);
}

/* ═══════════════════════════════════════════════════════════
   10. HERO SECTION
   ═══════════════════════════════════════════════════════════ */
.hero {
  padding: var(--space-20) var(--space-6);
  text-align: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 5rem);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  background: linear-gradient(135deg, #ffffff 20%, var(--color-accent-blue) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(6, 182, 212, 0.25);
}

.hero-subtitle {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

/* ═══════════════════════════════════════════════════════════
   11. SERVICES / CARDS GRID
   ═══════════════════════════════════════════════════════════ */
.services-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* ═══════════════════════════════════════════════════════════
   12. AUTH PAGES
   ═══════════════════════════════════════════════════════════ */
.auth-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 25%),
    radial-gradient(circle at bottom right, rgba(139, 92, 246, 0.10), transparent 20%),
    linear-gradient(180deg, var(--color-bg-deep) 0%, #070e22 100%);
  padding: var(--space-4);
}

.auth-page::before, .auth-page::after {
  content: '';
  position: fixed;
  width: 400px; height: 400px;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 0;
  animation: move-spheres 25s infinite alternate ease-in-out;
}

.auth-page::before {
  background: rgba(37, 99, 235, 0.30);
  top: -100px; left: -100px;
}

.auth-page::after {
  background: rgba(139, 92, 246, 0.22);
  bottom: -100px; right: -100px;
  animation-delay: -7s;
}

.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  padding: var(--space-10) var(--space-8);
  animation: fade-in-up 0.7s ease-out;
}

.auth-card-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card-header h1 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin: 0;
  background: linear-gradient(to bottom right, #fff 50%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-card-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-top: var(--space-3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.form-field {
  display: block;
}

.form-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.form-footer a {
  color: #60a5fa;
  font-weight: var(--font-semibold);
  transition: var(--transition-fast);
}

.form-footer a:hover { color: #93c5fd; text-shadow: 0 0 8px rgba(96, 165, 250, 0.3); }

/* Auth responsive */
@media (max-width: 480px) {
  .auth-card {
    padding: var(--space-8) var(--space-5);
    border-radius: var(--radius-lg);
  }
  .auth-card-header h1 { font-size: var(--text-2xl); }
}

/* ═══════════════════════════════════════════════════════════
   13. DASHBOARD
   ═══════════════════════════════════════════════════════════ */
.dashboard-shell {
  width: 100%;
  max-width: var(--container-max);
  min-height: calc(100dvh - var(--header-height));
  padding: var(--space-6);
  margin-top: var(--header-height);
}

.dashboard-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-md) * 1.2);
  padding: var(--space-6);
  backdrop-filter: blur(18px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.dashboard-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.dashboard-tabs {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.dashboard-tab {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-primary);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: var(--transition-fast);
}

.dashboard-tab.active,
.dashboard-tab:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--color-border-hover);
}

.dashboard-view { display: none; }
.dashboard-view.active { display: block; }

/* ═══════════════════════════════════════════════════════════
   14. RESPONSIVE UTILITIES
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero { padding: var(--space-12) var(--space-4); }
  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
  .hero-subtitle { font-size: var(--text-base); }
  .hero-actions { flex-direction: column; align-items: center; gap: var(--space-3); }
  .services-grid { grid-template-columns: 1fr; padding: var(--space-6) var(--space-3); gap: var(--space-4); }
  .site-footer { padding: var(--space-10) var(--space-4); }
  .footer-legal { text-align: left; }
}

@media (max-width: 480px) {
  .hero { padding: var(--space-10) var(--space-3); }
  .hero-title { font-size: 1.8rem; }
  .hero-subtitle { font-size: var(--text-sm); }
  .card { padding: var(--space-5); border-radius: var(--radius-lg); }
  .btn { padding: var(--space-2) var(--space-5); font-size: var(--text-xs); }
  .dashboard-shell { padding: var(--space-4); }
  .dashboard-tabs { flex-direction: column; }
  .dashboard-toolbar { flex-direction: column; text-align: center; }
}

/* ═══════════════════════════════════════════════════════════
   15. SCROLLBAR & ACCESSIBILITY
   ═══════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

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