/* Google Fonts: SF Pro Display equivalent or Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --apple-bg: #000000;
    --apple-text: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.2);
    --accent-color: #0A84FF;
    /* Apple Blue */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--apple-bg);
    color: var(--apple-text);
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(94, 21, 235, 0.2), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(10, 132, 255, 0.15), transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(255, 59, 48, 0.1), transparent 40%);
    background-attachment: fixed;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

/* Liquid Glass Elements */
.liquid-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.liquid-glass-hover:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-highlight);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

/* Inputs */
.glass-input {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    color: white;
    border-radius: 12px;
    padding: 12px 16px;
    width: 100%;
    outline: none;
    transition: all 0.2s ease;
}

.glass-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.3);
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-color);
    color: white;
    font-weight: 500;
    border-radius: 9999px;
    padding: 10px 24px;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: #007aff;
    transform: scale(1.02);
}

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: white;
    border-radius: 9999px;
    padding: 10px 24px;
    transition: all 0.2s ease;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-highlight);
}

/* Floating Action Button */
.fab {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    z-index: 50;
    cursor: pointer;
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    transform: scale(0.95) translateY(20px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Typography Enhancements */
.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #a5a5a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Animations */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Advanced UX Animations for Landing Page */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes float-delayed {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(10, 132, 255, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(10, 132, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(10, 132, 255, 0);
    }
}

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

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

.pulse-glow-effect {
    animation: pulse-glow 2.5s infinite;
}

/* Mac OS Style window controls */
.mac-controls {
    display: flex;
    gap: 8px;
    padding: 12px;
}

.mac-controls span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mac-close {
    background-color: #ff5f56;
}

.mac-min {
    background-color: #ffbd2e;
}

.mac-max {
    background-color: #27c93f;
}

/* Interactive Feature Cards */
.feature-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

/* Glass Badge */
.glass-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: #e5e7eb;
}