/* Custom Styles for Aerobotics */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@400;500;600;700;800&display=swap');

:root {
  --color-background: oklch(15% .035 262);
  --color-foreground: oklch(96% .01 240);
  --color-card: oklch(20% .04 262);
  --color-card-foreground: oklch(96% .01 240);
  --color-navy: oklch(19% .045 262);
  --color-navy-deep: oklch(12% .04 264);
  --color-primary: oklch(62% .19 248);
  --color-primary-foreground: oklch(99% 0 0);
  --color-accent: oklch(78% .14 205);
  --color-cyan: oklch(82% .14 200);
  --color-muted: oklch(24% .04 262);
  --color-border: oklch(32% .04 262);
}

body {
    background-color: var(--color-background);
    color: var(--color-foreground);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Sora', sans-serif;
    color: var(--color-foreground);
}

.text-glow {
    text-shadow: 0 0 10px color-mix(in oklch, var(--color-primary) 50%, transparent), 
                 0 0 20px color-mix(in oklch, var(--color-primary) 30%, transparent);
}

.bg-glow {
    box-shadow: 0 0 40px color-mix(in oklch, var(--color-primary) 20%, transparent);
}

.text-gradient {
    background: linear-gradient(100deg, var(--color-cyan), var(--color-primary));
    background-image: linear-gradient(100deg, oklch(0.82 0.14 200), oklch(0.62 0.19 248));
    background-position-x: initial;
    background-position-y: initial;
    background-size: initial;
    background-repeat: initial;
    background-attachment: initial;
    background-origin: initial;
    background-clip: initial;
    background-color: initial;
    -webkit-text-fill-color: transparent;
    color: #0000;
    -webkit-background-clip: text;
    background-clip: text;
}

.card {
    background: color-mix(in oklch, var(--color-card) 55%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid color-mix(in oklch, var(--color-border) 80%, transparent);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.card:hover {
    background: color-mix(in oklch, var(--color-card) 80%, transparent);
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px color-mix(in oklch, var(--color-primary) 30%, transparent);
}

/* Precise background grid pattern */
.bg-grid-pattern {
    background-image: 
        linear-gradient(color-mix(in oklch, var(--color-primary) 10%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in oklch, var(--color-primary) 10%, transparent) 1px, transparent 1px);
    background-size: 44px 44px;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    pointer-events: none;
    animation: grid-move 20s linear infinite;
}

/* Animations */
@keyframes grid-move {
    0% { transform: translateY(0); }
    100% { transform: translateY(44px); }
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float 8s ease-in-out infinite;
    animation-delay: 2s;
}

.animate-float-slow {
    animation: float 10s ease-in-out infinite;
    animation-delay: 1s;
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.animate-pulse-slow {
    animation: pulse-slow 8s ease-in-out infinite;
}

@keyframes glow-line {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.glow-line-anim {
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    background-size: 200% 100%;
    animation: glow-line 3s linear infinite;
}

/* Scroll Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

/* Infinite Marquee */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 25s linear infinite;
    display: flex;
    width: max-content;
}

.animate-marquee:hover {
    animation-play-state: paused;
}

/* Sweeping Button Gradient */
@keyframes sweep {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.btn-sweep {
    background-size: 200% auto;
    animation: sweep 4s ease infinite;
}