/* ================================
   REUSABLE COMPONENTS
   ================================ */

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--spacing-sm) 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.nav.scrolled {
    padding: var(--spacing-xs) 0;
    background: rgba(10, 10, 15, 0.95);
}

.nav__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-extrabold);
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav__menu a {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.nav__menu a:hover {
    color: var(--text-primary);
}

.nav__cta {
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    color: var(--text-primary) !important;
    font-weight: var(--weight-semibold);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 0.5rem;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    cursor: pointer;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 20px var(--glow-purple);
    position: relative;
    overflow: hidden;
}

.btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--glow-purple-intense);
}

.btn--primary:hover::before {
    opacity: 1;
}

.btn--outline {
    border: 2px solid var(--primary-purple);
    color: var(--text-primary);
    background: transparent;
}

.btn--outline:hover {
    background: var(--primary-purple);
    box-shadow: 0 4px 20px var(--glow-purple);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Glow Effects */
.glow-element {
    position: relative;
}

.glow-element::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle, var(--glow-purple) 0%, transparent 70%);
    opacity: 0.6;
    filter: blur(60px);
    z-index: -1;
    pointer-events: none;
}

/* Section Container */
.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    z-index: var(--z-sticky);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.sticky-cta.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.sticky-cta .btn {
    box-shadow: var(--shadow-xl), 0 0 60px var(--glow-purple);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Text Gradient */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-card);
        padding: var(--spacing-md);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        transform: translateY(-120%);
        opacity: 0;
        transition: all var(--transition-normal);
    }

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

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .sticky-cta {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .sticky-cta .btn {
        padding: 0.875rem 1.5rem;
        font-size: var(--text-sm);
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    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(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* Utility Classes */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

.pointer-none { pointer-events: none; }
.pointer-auto { pointer-events: auto; }

.hidden { display: none; }
.block { display: block; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }