/**
* MODERN UX/UI 2025-2026 ENHANCEMENTS
* Latest design trends: Glass UI, Depth, Motion, Personalization
* Applied across all pages
*/

/* ============================================
  MODERN CARD SYSTEM (2025-2026)
  ============================================ */
.modern-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
    overflow: hidden;
}

body.dark-mode .modern-card {
    background: rgba(26, 26, 46, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.2);
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modern-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 16px 48px rgba(0, 0, 0, 0.15),
        0 4px 12px rgba(0, 0, 0, 0.1);
}

body.dark-mode .modern-card:hover {
    box-shadow: 
        0 16px 48px rgba(0, 0, 0, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.3);
}

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

/* ============================================
  GLASS MORPHISM ELEMENTS
  ============================================ */
.glass-panel {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

body.dark-mode .glass-panel {
    background: rgba(26, 26, 46, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

/* ============================================
  ENHANCED BUTTONS (2025-2026)
  ============================================ */
.btn-modern {
    position: relative;
    overflow: hidden;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn-modern:hover::before {
    width: 300px;
    height: 300px;
}

.btn-modern:active {
    transform: translateY(0);
}

/* ============================================
  SECTION ENHANCEMENTS
  ============================================ */
.section-modern {
    position: relative;
    padding: 100px 20px;
    overflow: hidden;
}

.section-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.section-modern > * {
    position: relative;
    z-index: 1;
}

/* ============================================
  ENHANCED PROJECT CARDS
  ============================================ */
.project-card-modern {
    background: var(--background-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

body.dark-mode .project-card-modern {
    background: var(--dark-background-color);
    border-color: var(--dark-border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.project-card-modern:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

body.dark-mode .project-card-modern:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.project-card-modern .project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card-modern:hover .project-image {
    transform: scale(1.05);
}

/* ============================================
  ABSTRACT GRAPHICS & SHAPES
  ============================================ */
.abstract-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    bottom: 20%;
    right: 15%;
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

/* ============================================
  MICRO-INTERACTIONS
  ============================================ */
.interactive-element {
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    cursor: pointer;
}

.interactive-element:hover {
    transform: translateY(-4px);
}

.interactive-element:active {
    transform: translateY(-2px) scale(0.98);
}

/* ============================================
  ENHANCED TYPOGRAPHY
  ============================================ */
.heading-modern {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

body.dark-mode .heading-modern {
    background: linear-gradient(135deg, #8ab4f8 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subheading-modern {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-color-light);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto 40px;
}

body.dark-mode .subheading-modern {
    color: var(--dark-text-color-light);
}

/* ============================================
  ENHANCED HERO SECTION
  ============================================ */
.hero-modern {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 100%),
        radial-gradient(circle at 50% 50%, rgba(102, 126, 234, 0.2) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

.hero-content-modern {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease-out;
}

/* ============================================
  SECTION DIVIDERS WITH GRAPHICS
  ============================================ */
.section-divider {
    position: relative;
    height: 100px;
    overflow: hidden;
    margin: 60px 0;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(102, 126, 234, 0.3) 20%, 
        rgba(118, 75, 162, 0.3) 50%,
        rgba(102, 126, 234, 0.3) 80%,
        transparent 100%);
    transform: translateY(-50%);
}

.section-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

/* ============================================
  ENHANCED IMAGE GALLERIES
  ============================================ */
.image-gallery-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--background-secondary);
    transition: all 0.4s ease;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* ============================================
  RESPONSIVE DESIGN
  ============================================ */
@media (max-width: 768px) {
    .modern-card {
        padding: 20px;
        border-radius: 16px;
    }

    .heading-modern {
        font-size: 2rem;
    }

    .image-gallery-modern {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .abstract-shape {
        display: none; /* Hide on mobile for performance */
    }
}

/* ============================================
  ACCESSIBILITY
  ============================================ */
@media (prefers-reduced-motion: reduce) {
    .modern-card,
    .project-card-modern,
    .gallery-item,
    .abstract-shape {
        animation: none;
        transition: none;
    }
}

/* ============================================
  LOADING STATES
  ============================================ */
.loading-shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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


/* Focus styles for accessibility - Auto-added */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}