@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&display=swap");

/* ==========================================================================
   DESIGN SYSTEM - Wick Journal
   ========================================================================== */

/* --------------------------------------------------------------------------
   COLOR PALETTE
   -------------------------------------------------------------------------- */
:root {
  /* Colors for TradeZilla-like dark modern interface */
  --background: #09090b;
  --surface: #121214;
  --surface-elevated: #1a1a1e;

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

  --primary: #3b82f6; /* Blue */
  --secondary: #10b981; /* Green / Neon */
  --accent: #6366f1; /* Indigo */

  --border: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
}

/* Base Light Theme - Optional but keeping structured */
:root[data-theme="light"] {
  --background: #f8fafc;
  --surface: #ffffff;
  --surface-elevated: #f1f5f9;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --primary: #2563eb;
  --secondary: #059669;
  --accent: #4f46e5;

  --border: rgba(0, 0, 0, 0.1);
  --border-subtle: rgba(0, 0, 0, 0.05);
}

/* --------------------------------------------------------------------------
   TYPOGRAPHY
   -------------------------------------------------------------------------- */
html {
  font-size: 100%; /* 16px base */
  scroll-behavior: smooth;
}

body {
  font-family: "Sora", sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background);
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em 0;
  color: var(--text-primary);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}
h2 {
  font-size: 2.5rem;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.75rem;
}
h4 {
  font-size: 1.25rem;
}
h5 {
  font-size: 1rem;
}
small {
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.5rem;
  }
  h4 {
    font-size: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   SPACING SYSTEM
   -------------------------------------------------------------------------- */
:root {
  --space-xs: 0.25rem; /* 4px */
  --space-sm: 0.5rem; /* 8px */
  --space-md: 1rem; /* 16px */
  --space-lg: 1.5rem; /* 24px */
  --space-xl: 2rem; /* 32px */
  --space-2xl: 3rem; /* 48px */
  --space-3xl: 4rem; /* 64px */
}

/* --------------------------------------------------------------------------
   BORDERS & RADIUS
   -------------------------------------------------------------------------- */
:root {
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --border-width: 1px;
}

/* --------------------------------------------------------------------------
   SHADOWS
   -------------------------------------------------------------------------- */
:root {
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 15px rgba(59, 130, 246, 0.2);
  --shadow-glow-accent: 0 0 15px rgba(99, 102, 241, 0.2);
}

/* --------------------------------------------------------------------------
   TRANSITIONS
   -------------------------------------------------------------------------- */
:root {
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* --------------------------------------------------------------------------
   BASE RESET
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   UTILITY CLASSES
   -------------------------------------------------------------------------- */
.text-primary {
  color: var(--primary);
}
.text-secondary {
  color: var(--secondary);
}
.text-accent {
  color: var(--accent);
}
.bg-primary {
  background-color: var(--primary);
}
.bg-secondary {
  background-color: var(--secondary);
}
.bg-accent {
  background-color: var(--accent);
}

/* --------------------------------------------------------------------------
   COMPONENTS
   -------------------------------------------------------------------------- */

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: none;
}

.nav-cta {
    display: flex;
    gap: 0.75rem;
}

.nav-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}

/* Footer */
.footer {
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent) 0%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #6366f1 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
}

.btn-ghost:hover {
    color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   RESPONSIVE UTILITIES (Common)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
    .nav {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: flex;
        gap: 2rem;
    }

    .footer-links {
        gap: 2rem;
    }
}