/**
 * Professional Contact Page - Black & Blue Theme
 * Liquid Glass Effects with Apple-Grade Animations
 */

/* CSS Variables */
:root {
    /* Colors - Black & Blue Theme */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-glass: rgba(15, 15, 20, 0.4);
    
    --color-blue-primary: #007AFF;
    --color-blue-secondary: #0051D5;
    --color-blue-accent: #00D4FF;
    --color-blue-dark: #003D99;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.8);
    --color-text-tertiary: rgba(255, 255, 255, 0.6);
    
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-bright: rgba(0, 122, 255, 0.3);
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-backdrop: blur(20px) saturate(180%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions - Apple-like smooth */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

.hidden {
    display: none;
}

/* Shader Canvas */
.shader-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

/* Fallback for no WebGL */
.no-webgl body {
    background: linear-gradient(135deg, #000000 0%, #001122 50%, #000033 100%);
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

/* Header */
.header {
    position: relative;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    animation: fadeInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 200px;
}

.header-shader-container {
    position: relative;
    width: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: var(--glass-backdrop);
    background: rgba(15, 15, 20, 0.3);
    border: 1px solid var(--glass-border);
    box-shadow: 
        var(--glass-shadow),
        0 0 40px rgba(0, 122, 255, 0.1);
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: all var(--transition-base);
}

.header-shader-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    display: block;
    z-index: 0;
    pointer-events: none;
}

.header-shader-container .header-title,
.header-shader-container .header-subtitle {
    position: relative;
    z-index: 1;
    pointer-events: none;
}

.header-content {
    display: none;
}

.header:hover .header-shader-container {
    border-color: var(--color-border-bright);
    box-shadow: 
        var(--glass-shadow),
        0 0 60px rgba(0, 122, 255, 0.2);
}

.header-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-blue-primary) 0%, var(--color-blue-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.04em;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 30px rgba(0, 122, 255, 0.3);
    position: relative;
    display: inline-block;
    transition: all var(--transition-base);
    z-index: 1;
    text-align: center;
    text-transform: uppercase;
    font-style: normal;
    animation: glitch 3s infinite;
}

.header-title::before,
.header-title::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-blue-primary) 0%, var(--color-blue-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    transform: translate(-2px, 0);
    animation: glitch-top 1.5s infinite;
    opacity: 0.8;
    z-index: -1;
}

.header-title::after {
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    transform: translate(2px, 0);
    animation: glitch-bottom 1.5s infinite;
    opacity: 0.8;
}

@keyframes glitch {
    0%, 100% {
        transform: translate(0);
        filter: hue-rotate(0deg);
    }
    20% {
        transform: translate(-2px, 2px);
        filter: hue-rotate(90deg);
    }
    40% {
        transform: translate(-2px, -2px);
        filter: hue-rotate(180deg);
    }
    60% {
        transform: translate(2px, 2px);
        filter: hue-rotate(270deg);
    }
    80% {
        transform: translate(2px, -2px);
        filter: hue-rotate(360deg);
    }
}

@keyframes glitch-top {
    0%, 100% {
        transform: translate(0);
        clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    }
    20% {
        transform: translate(-2px, -2px);
        clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    }
    40% {
        transform: translate(2px, 2px);
        clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    }
    60% {
        transform: translate(-1px, 1px);
        clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    }
    80% {
        transform: translate(1px, -1px);
        clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    }
}

@keyframes glitch-bottom {
    0%, 100% {
        transform: translate(0);
        clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    }
    20% {
        transform: translate(2px, 2px);
        clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    }
    40% {
        transform: translate(-2px, -2px);
        clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    }
    60% {
        transform: translate(1px, -1px);
        clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    }
    80% {
        transform: translate(-1px, 1px);
        clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    }
}

.header:hover .header-title {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.header-subtitle {
    font-size: clamp(0.875rem, 3vw, 1.125rem);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.05em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Contact Section */
.contact-section {
    flex: 1;
    width: 100%;
}

.contact-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
}

/* Contact Cards */
.contact-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    backdrop-filter: var(--glass-backdrop);
    background: rgba(15, 15, 20, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 8px 32px 0 rgba(0, 0, 0, 0.37),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
    overflow: hidden;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) backwards;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

/* Staggered animation delays */
.contact-card:nth-child(1) { animation-delay: 0.1s; }
.contact-card:nth-child(2) { animation-delay: 0.2s; }
.contact-card:nth-child(3) { animation-delay: 0.3s; }
.contact-card:nth-child(4) { animation-delay: 0.4s; }
.contact-card:nth-child(5) { animation-delay: 0.5s; }
.contact-card:nth-child(6) { animation-delay: 0.6s; }

/* Hover/Touch Effects */
.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.contact-card:hover::before,
.contact-card:active::before {
    opacity: 1;
}

.contact-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--color-border-bright);
    box-shadow: 
        0 16px 48px 0 rgba(0, 122, 255, 0.25),
        0 0 0 1px rgba(0, 122, 255, 0.1) inset,
        0 0 60px rgba(0, 122, 255, 0.15);
    background: rgba(15, 15, 20, 0.7);
}

.contact-card:active {
    transform: translateY(-2px) scale(1.01);
    transition: transform var(--transition-fast);
}

/* Card Icon */
.card-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(0, 122, 255, 0.08);
    border: 1.5px solid rgba(0, 122, 255, 0.15);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.card-icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 2;
    transition: all var(--transition-base);
}

.contact-card:hover .card-icon {
    background: rgba(0, 122, 255, 0.25);
    border-color: var(--color-blue-primary);
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.3);
}

.contact-card:hover .card-icon svg {
    transform: scale(1.1);
}

/* Icon Colors */
.email-icon svg {
    color: var(--color-blue-primary);
}

.github-icon svg {
    color: #ffffff;
}

.whatsapp-icon svg {
    color: #25D366;
}

.instagram-icon svg {
    color: #E4405F;
}

.discord-icon svg {
    color: #5865F2;
}

/* Card Content */
.card-content {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.375rem;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
    letter-spacing: -0.01em;
}

.card-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.375rem;
    font-weight: var(--font-weight-regular);
}

.card-handle {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-primary);
    letter-spacing: 0.02em;
}

.contact-card:hover .card-title {
    color: var(--color-blue-accent);
    transform: translateX(4px);
}

/* Card Arrow */
.card-arrow {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
    border-radius: 50%;
    background: rgba(0, 122, 255, 0.05);
}

.card-arrow svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

.contact-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(6px);
    color: var(--color-blue-primary);
    background: rgba(0, 122, 255, 0.15);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xl);
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) 0.8s backwards;
}

.footer-text {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.1em;
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-regular);
}

/* About Me Card */
.about-me-card {
    cursor: pointer;
}

.about-icon svg {
    color: var(--color-blue-accent);
}

/* Terminal Window Modal - Windows Style */
.terminal-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: var(--spacing-md);
}

.terminal-modal.active {
    opacity: 1;
    visibility: visible;
}

.terminal-window {
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    background: #0c0c0c;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(30px);
    transition: transform var(--transition-base);
}

.terminal-modal.active .terminal-window {
    transform: scale(1) translateY(0);
}

.terminal-header {
    background: #1e1e1e;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: 40px;
    min-height: 40px;
    user-select: none;
}

.terminal-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-medium);
    height: 100%;
}

.terminal-icon {
    width: 16px;
    height: 16px;
    color: var(--color-blue-primary);
}

.terminal-close-btn {
    width: 46px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    padding: 0;
    margin: 0;
}

.terminal-close-btn:hover {
    background: #e81123;
    color: #ffffff;
}

.terminal-close-btn:active {
    background: #c50e1f;
}

.terminal-close-btn svg {
    width: 12px;
    height: 12px;
    stroke-width: 2.5;
}

.terminal-body {
    flex: 1;
    overflow-y: auto;
    background: #0c0c0c;
    padding: var(--spacing-md);
    font-family: 'Consolas', 'Courier New', 'Monaco', 'Menlo', monospace;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.terminal-body::-webkit-scrollbar {
    width: 8px;
}

.terminal-body::-webkit-scrollbar-track {
    background: transparent;
}

.terminal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.terminal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.terminal-content {
    color: #cccccc;
    font-size: 0.875rem;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.terminal-prompt {
    color: #00ff00;
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.terminal-command {
    color: #ffffff;
}

.terminal-cursor {
    color: #00ff00;
    animation: blink 1s infinite;
    display: inline-block;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.terminal-output {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.terminal-text-line {
    color: #e0e0e0;
    margin-bottom: var(--spacing-xs);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.terminal-text-line.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Terminal */
@media (max-width: 768px) {
    .terminal-modal {
        padding: 0;
        align-items: flex-end;
    }
    
    .terminal-window {
        max-width: 100%;
        max-height: 90vh;
        width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .terminal-header {
        height: 44px;
        min-height: 44px;
    }
    
    .terminal-title {
        font-size: 0.75rem;
        padding: 0 var(--spacing-sm);
    }
    
    .terminal-close-btn {
        width: 48px;
    }
    
    .terminal-body {
        padding: var(--spacing-sm);
        font-size: 0.8125rem;
    }
    
    .terminal-content {
        font-size: 0.8125rem;
        line-height: 1.7;
    }
    
    .terminal-prompt {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .terminal-body {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    .terminal-content {
        font-size: 0.75rem;
        line-height: 1.6;
    }
    
    .terminal-title {
        font-size: 0.6875rem;
    }
    
    .terminal-icon {
        width: 14px;
        height: 14px;
    }
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .contact-card:hover {
        transform: none;
    }
    
    .contact-card:active {
        transform: scale(0.98);
        background: rgba(0, 122, 255, 0.15);
    }
    
    .contact-card:active::before {
        opacity: 1;
    }
}

/* Mobile Optimizations */
@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .header {
        margin-bottom: var(--spacing-lg);
    }
    
    .header-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .contact-container {
        gap: var(--spacing-md);
    }
    
    .contact-card {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .card-icon {
        width: 52px;
        height: 52px;
    }
    
    .card-icon svg {
        width: 26px;
        height: 26px;
    }
    
    .card-title {
        font-size: 1.125rem;
    }
    
    .card-description {
        font-size: 0.8125rem;
    }
    
    .card-handle {
        font-size: 0.6875rem;
    }
    
    .card-arrow {
        width: 32px;
        height: 32px;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    .contact-card {
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card-icon {
        width: 48px;
        height: 48px;
    }
    
    .card-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .card-title {
        font-size: 1rem;
    }
}

/* Tablet and Up */
@media (min-width: 768px) {
    .main-content {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .contact-container {
        gap: var(--spacing-lg);
    }
    
    .contact-card {
        padding: var(--spacing-lg);
    }
}

/* Large Screens */
@media (min-width: 1024px) {
    .main-content {
        max-width: 700px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support (already dark, but for consistency) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Already optimized for dark */
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .contact-card {
        border-width: 2px;
        border-color: var(--color-blue-primary);
    }
}

/* Print Styles */
@media print {
    .shader-canvas {
        display: none;
    }
    
    .contact-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
}