/* Enhanced Modern Portfolio Styles - Mobile-First Responsive */

/* Base Mobile Styles */
* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
}

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

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
    }
}

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

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

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

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

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

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

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #06B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Hover Effects */
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Project Cards */
.project-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Skill Items */
.skill-item {
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-item:hover {
    transform: scale(1.1) rotate(5deg);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #F3F4F6;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2563EB, #7C3AED);
}

.dark ::-webkit-scrollbar-track {
    background: #1A1A1A;
}

/* Hamburger Menu */
.hamburger-icon {
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
}

.hamburger-icon span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: #0A0A0A;
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: all 0.25s ease-in-out;
}

.dark .hamburger-icon span {
    background: #FFFFFF;
}

.hamburger-icon span:nth-child(1) {
    top: 0px;
}

.hamburger-icon span:nth-child(2) {
    top: 10px;
}

.hamburger-icon span:nth-child(3) {
    top: 20px;
}

.hamburger-icon.open span:nth-child(1) {
    top: 10px;
    transform: rotate(135deg);
}

.hamburger-icon.open span:nth-child(2) {
    opacity: 0;
    left: -60px;
}

.hamburger-icon.open span:nth-child(3) {
    top: 10px;
    transform: rotate(-135deg);
}

/* Image Slider */
.slider {
    position: relative;
    width: 100%;
    height: 300px;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    pointer-events: none;
}

.slide.active {
    opacity: 1;
    z-index: 1;
    pointer-events: auto;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1rem;
}

/* Modal Slider - Different styling for better control */
.modal-slider {
    position: relative;
    width: 100%;
    height: 400px;
    background: #f3f4f6;
    border-radius: 1rem;
    overflow: hidden;
}

.modal-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.modal-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Chat Messages */
.chat-message {
    animation: fade-in-up 0.3s ease-out;
}

.chat-message.user {
    margin-left: auto;
}

/* Loading Dots */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: bounce-dot 1.4s infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce-dot {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Gradient Backgrounds */
.gradient-bg-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-bg-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-bg-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-bg-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* Service Cards */
.service-card {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    bottom: -50%;
    left: -50%;
    background: linear-gradient(to bottom, rgba(229, 231, 235, 0), rgba(229, 231, 235, 0.3));
    transform: rotate(45deg) translate(0, -100%);
    transition: transform 0.6s;
}

.service-card:hover::after {
    transform: rotate(45deg) translate(0, 0);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Code Block Styling */
code {
    background: #F3F4F6;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.dark code {
    background: #2D2D2D;
}

/* Modal Animations */
#chatbot-modal.active #chatbot-container,
#project-modal.active #project-modal-container {
    transform: scale(1);
    opacity: 1;
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
}

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

/* Selection */
::selection {
    background: rgba(59, 130, 246, 0.2);
    color: inherit;
}

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

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}

/* Mobile-Specific Optimizations */
@media (max-width: 640px) {
    /* Typography adjustments */
    h1, .text-5xl, .text-6xl, .text-7xl, .text-8xl {
        font-size: 2rem !important;
        line-height: 1.2;
    }
    
    h2, .text-4xl {
        font-size: 1.75rem !important;
    }
    
    h3, .text-2xl, .text-3xl {
        font-size: 1.25rem !important;
    }
    
    /* Spacing adjustments */
    .py-20 {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }
    
    .py-32 {
        padding-top: 4rem !important;
        padding-bottom: 4rem !important;
    }
    
    /* Container adjustments */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Button adjustments */
    button, a.btn {
        min-height: 48px; /* Touch-friendly */
        padding: 0.75rem 1.5rem;
    }
    
    /* Form inputs */
    input, textarea, select {
        font-size: 16px !important; /* Prevents zoom on iOS */
    }
    
    /* Modal adjustments */
    .modal-slider {
        height: 250px !important;
    }
    
    /* Grid adjustments */
    .grid {
        gap: 1rem !important;
    }
}

/* Tablet Optimizations */
@media (min-width: 641px) and (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    
    .py-20 {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
    
    .py-32 {
        padding-top: 5rem;
        padding-bottom: 5rem;
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .hover\:scale-110:hover {
        transform: scale(1.05);
    }
    
    .hover\:-translate-y-1:hover {
        transform: translateY(-2px);
    }
}

/* Landscape mobile */
@media (max-width: 896px) and (orientation: landscape) {
    .min-h-screen {
        min-height: auto;
        padding: 2rem 0;
    }
}