/* Custom Styles for Vibe Computing Landing Page */

/* Hero gradient background */
.hero-gradient {
    background: radial-gradient(ellipse at 50% 0%, rgba(20, 184, 166, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 40%),
                radial-gradient(ellipse at 20% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
}

/* Grid pattern overlay */
.grid-pattern {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Animations */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 50% { border-color: transparent; }
    51%, 100% { border-color: rgba(255, 255, 255, 0.5); }
}

.animate-fade-in {
    animation: fade-in 0.8s ease-out forwards;
}

.animate-fade-in-up {
    animation: fade-in-up 0.8s ease-out forwards;
}

.animate-pulse-slow {
    animation: pulse-slow 4s ease-in-out infinite;
}

.animation-delay-200 {
    animation-delay: 200ms;
}

.animation-delay-400 {
    animation-delay: 400ms;
}

.animation-delay-600 {
    animation-delay: 600ms;
}

.animation-delay-2000 {
    animation-delay: 2000ms;
}

/* Typing animation for demo */
.typing-animation {
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    animation: typing 2s steps(40) forwards, blink 0.8s step-end infinite;
}

/* Countdown blocks */
.countdown-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
}

@media (min-width: 768px) {
    .countdown-block {
        min-width: 80px;
    }
}

/* Feature cards */
.feature-card {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

/* Step numbers */
.step-number {
    position: absolute;
    top: -1rem;
    left: 2rem;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    z-index: 10;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Focus styles */
input:focus,
button:focus {
    outline: none;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: #374151;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4b5563;
}

/* Selection color */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: white;
}

/* Glow effects */
.glow-brand {
    box-shadow: 0 0 40px rgba(20, 184, 166, 0.15);
}

.glow-purple {
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.15);
}

/* Text gradient animation */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

/* Loading state for form */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: inherit;
    border-radius: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .countdown-block span:first-child {
        font-size: 2rem;
    }
}

/* Noise texture overlay (optional) */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Hover lift effect */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Fade in on scroll (to be activated by JS) */
.fade-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Terminal cursor blink */
@keyframes cursor-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.terminal-cursor {
    display: inline-block;
    width: 10px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    animation: cursor-blink 1s infinite;
    margin-left: 2px;
    vertical-align: middle;
}