/* ============================================================
   ALTNRD BRAND SYSTEM - Minimal Futurism + Sci-Fi Interface
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Unica+One&family=Open+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* ========== PRIMARY BRAND COLORS ========== */
  --color-primary: #6078ea;        /* Purple - Primary Brand */
  --color-secondary-orange: #f76b1c; /* Orange - Secondary */
  --color-secondary-green: #7fd858;  /* Green - Secondary */
  --color-secondary-blue: #43bce3;   /* Blue - Secondary */
  --color-secondary-yellow: #f9d663; /* Yellow - Secondary */

  /* ========== BACKGROUND & SURFACE COLORS ========== */
  --color-bg-dark: #0a0e27;          /* Deep space black */
  --color-bg-secondary: #111829;     /* Dark navy */
  --color-surface-primary: #1a1f3a;  /* Primary surface */
  --color-surface-secondary: #242d4d; /* Secondary surface */
  --color-surface-tertiary: #2a3557;  /* Tertiary surface */

  /* ========== TEXT COLORS ========== */
  --color-text-primary: #f5f7fa;     /* Light text */
  --color-text-secondary: #b8c5d6;   /* Medium text */
  --color-text-tertiary: #8a98b1;    /* Subdued text */
  --color-text-muted: #5f7492;       /* Muted text */

  /* ========== ACCENT & STATUS COLORS ========== */
  --color-accent-glow: rgba(96, 120, 234, 0.3);      /* Purple glow */
  --color-success: #00d084;           /* Success green */
  --color-warning: #ffa500;           /* Warning orange */
  --color-danger: #ff4757;            /* Danger red */
  --color-info: #43bce3;              /* Info blue */

  /* ========== TYPOGRAPHY ========== */
  --font-display: 'Unica One', sans-serif;     /* Display/Headings */
  --font-body: 'Open Sans', system-ui, sans-serif;  /* Body text */

  /* ========== SPACING ========== */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* ========== BORDER RADIUS ========== */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;

  /* ========== SHADOWS & GLOWS ========== */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.6);
  --glow-purple: 0 0 20px rgba(96, 120, 234, 0.4), 0 0 40px rgba(96, 120, 234, 0.2);
  --glow-orange: 0 0 20px rgba(247, 107, 28, 0.4);
  --glow-blue: 0 0 20px rgba(67, 188, 227, 0.4);
  --glow-green: 0 0 20px rgba(127, 216, 88, 0.4);

  /* ========== TRANSITIONS ========== */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== GLOBAL RESETS ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 8vw, 4rem);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.75rem, 6vw, 3rem);
  color: var(--color-text-primary);
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--color-text-primary);
}

h4 {
  font-size: 1.5rem;
  color: var(--color-text-primary);
}

p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

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

a:hover {
  color: var(--color-secondary-blue);
}

/* ========== UTILITY CLASSES ========== */
.text-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-secondary {
  background: linear-gradient(135deg, var(--color-secondary-orange), var(--color-secondary-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-primary {
  box-shadow: var(--glow-purple);
}

.glow-secondary {
  box-shadow: var(--glow-orange);
}

.glow-tertiary {
  box-shadow: var(--glow-blue);
}

.glow-quaternary {
  box-shadow: var(--glow-green);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes floatIn {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes glow-pulse {
  0%, 100% { filter: drop-shadow(var(--glow-purple)); }
  50% { filter: drop-shadow(0 0 30px rgba(96, 120, 234, 0.6)); }
}

@keyframes neon-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.95; }
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease-out;
}

.animate-slideInLeft {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slideInRight {
  animation: slideInRight 0.6s ease-out;
}

.animate-scaleIn {
  animation: scaleIn 0.6s ease-out;
}

.animate-float {
  animation: floatIn 3s ease-in-out infinite;
}

.animate-glow-pulse {
  animation: glow-pulse 2s ease-in-out infinite;
}

.animate-neon {
  animation: neon-flicker 3s ease-in-out infinite;
}

/* ========== SCROLL ANIMATIONS ========== */
[data-aos="fade-up"] {
  animation: fadeInUp 0.8s ease-out both;
}

[data-aos="slide-in-left"] {
  animation: slideInLeft 0.8s ease-out both;
}

[data-aos="slide-in-right"] {
  animation: slideInRight 0.8s ease-out both;
}

[data-aos="scale-in"] {
  animation: scaleIn 0.8s ease-out both;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left var(--transition-normal);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary-blue));
  color: var(--color-text-primary);
  box-shadow: var(--glow-purple);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(96, 120, 234, 0.6), 0 12px 40px rgba(0, 0, 0, 0.6);
}

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

.btn-secondary:hover {
  background: rgba(96, 120, 234, 0.1);
  box-shadow: var(--glow-purple);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
}

/* ========== CARD SYSTEM ========== */
.card {
  background: rgba(26, 31, 58, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(96, 120, 234, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--glow-purple);
  transform: translateY(-5px);
}

.card-lg {
  padding: var(--spacing-2xl);
}

.card-sm {
  padding: var(--spacing-lg);
}