/* Enhanced Parallax & Advanced Effects - v1.6 */

/* ============================================
   PARALLAX EFFECTS
   ============================================ */

.parallax-section {
    position: relative;
    overflow: hidden;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.parallax-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    will-change: transform;
}

.parallax-bg {
    transform: translateZ(-1px) scale(2);
}

.parallax-mid {
    transform: translateZ(-0.5px) scale(1.5);
}

.parallax-front {
    transform: translateZ(0);
}

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

/* ============================================
   ADVANCED ANIMATIONS
   ============================================ */

@keyframes float-smooth {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-20px) rotate(1deg);
    }

    50% {
        transform: translateY(-10px) rotate(-1deg);
    }

    75% {
        transform: translateY(-15px) rotate(0.5deg);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

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

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

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

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

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

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   ENHANCED GLASSMORPHISM
   ============================================ */

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

:root[data-theme="dark"] .glass-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

:root[data-theme="dark"] .glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 102, 255, 0.3);
    box-shadow: 0 12px 48px rgba(0, 102, 255, 0.2);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 12px 48px rgba(0, 102, 255, 0.15);
}

/* ============================================
   ADVANCED GRADIENTS
   ============================================ */

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

.gradient-border {
    position: relative;
    background: var(--dark);
    border-radius: 16px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

.animated-gradient {
    background: linear-gradient(270deg, var(--primary), var(--secondary), var(--primary));
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

/* ============================================
   MICRO-INTERACTIONS
   ============================================ */

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

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.3);
}

.hover-glow {
    position: relative;
    transition: all 0.3s ease;
}

.hover-glow::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: inherit;
    opacity: 0;
    z-index: -1;
    filter: blur(20px);
    transition: opacity 0.3s ease;
}

.hover-glow:hover::after {
    opacity: 0.7;
}

.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ============================================
   BREADCRUMB NAVIGATION
   ============================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
    font-size: 0.9rem;
    color: var(--gray);
}

.breadcrumb a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.breadcrumb .separator {
    color: var(--gray);
    opacity: 0.5;
}

.breadcrumb .current {
    color: var(--light);
    font-weight: 500;
}

/* ============================================
   PAGE TRANSITIONS
   ============================================ */

.page-transition {
    animation: fade-in-up 0.6s ease;
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 9999;
    transition: width 0.1s ease;
}

/* ============================================
   CONTENT SECTIONS
   ============================================ */

.content-section {
    padding: 6rem 0;
    position: relative;
}

.content-section.alt-bg {
    background: var(--darker);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-header .badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--light);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray);
    line-height: 1.8;
}

/* ============================================
   SIDEBAR LAYOUT
   ============================================ */

.page-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-nav {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
}

.sidebar-nav h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--light);
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 0.75rem;
}

.sidebar-nav a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--gray);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
    transform: translateX(5px);
}

.main-content {
    min-height: 60vh;
}

/* ============================================
   CARDS & COMPONENTS
   ============================================ */

.info-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.info-card:hover {
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.2);
    transform: translateY(-5px);
}

.info-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--light);
}

.info-card p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -3.5rem;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--dark);
}

.timeline-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--light);
}

.timeline-item .date {
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.timeline-item p {
    color: var(--gray);
    line-height: 1.7;
}

/* ============================================
   ACCORDION
   ============================================ */

.accordion-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-header {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background: rgba(0, 102, 255, 0.05);
}

.accordion-header h4 {
    font-size: 1.2rem;
    color: var(--light);
    margin: 0;
}

.accordion-icon {
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
    padding: 0 2rem 1.5rem;
}

.accordion-content p {
    color: var(--gray);
    line-height: 1.7;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .page-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        top: 0;
    }
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .content-section {
        padding: 4rem 0;
    }

    .timeline {
        padding-left: 2rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .parallax-section {
        background-attachment: scroll;
    }

    .hover-lift,
    .hover-glow {
        transform: none !important;
    }
}