/* ===========================
   Moayad Portfolio - Custom Styles
   Executive Dark Theme with Neon Accents
   =========================== */

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #0a0a0f;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(0, 245, 255, 0.3);
    color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0a0a0f;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #00f5ff, #0080ff);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #00f5ff, #8b5cf6);
}

/* ===========================
   Typography
   =========================== */

.text-gradient {
    background: linear-gradient(135deg, #00f5ff 0%, #0080ff 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   Navigation
   =========================== */

.nav-link {
    color: #9ca3af;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00f5ff, #0080ff);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #00f5ff;
}

.nav-link:hover::after {
    width: 100%;
}

#navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 245, 255, 0.1);
}

/* ===========================
   Buttons
   =========================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #00f5ff 0%, #0080ff 100%);
    color: #0a0a0f;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 9999px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #8b5cf6 0%, #00f5ff 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 245, 255, 0.3);
}

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

.btn-primary span,
.btn-primary svg {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: transparent;
    color: #00f5ff;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 2px solid #00f5ff;
    border-radius: 9999px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(0, 245, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.2);
}

.btn-tertiary {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: transparent;
    color: #9ca3af;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid rgba(156, 163, 175, 0.3);
    border-radius: 9999px;
    transition: all 0.3s ease;
}

.btn-tertiary:hover {
    color: #00f5ff;
    border-color: rgba(0, 245, 255, 0.5);
    transform: translateY(-2px);
}

/* ===========================
   Hero Section
   =========================== */

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

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

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
}

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

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(8px);
    }
}

.animate-scroll {
    animation: scroll 1.5s infinite;
}

/* ===========================
   Service Cards
   =========================== */

.service-card {
    background: linear-gradient(135deg, rgba(18, 18, 26, 0.8) 0%, rgba(26, 26, 37, 0.8) 100%);
    border: 1px solid rgba(37, 37, 50, 0.8);
    border-radius: 1.5rem;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00f5ff, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 245, 255, 0.3);
    box-shadow: 0 25px 50px rgba(0, 245, 255, 0.1);
}

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

.service-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1) 0%, rgba(0, 128, 255, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #00f5ff;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, #00f5ff 0%, #0080ff 100%);
    color: #0a0a0f;
    transform: scale(1.1);
}

/* Special Service Icons */
.service-icon.n8n-icon {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.15) 0%, rgba(255, 165, 0, 0.15) 100%);
    color: #ff6b6b;
}

.service-card:hover .service-icon.n8n-icon {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
    color: #0a0a0f;
}

.service-icon.security-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(0, 245, 255, 0.15) 100%);
    color: #10b981;
}

.service-card:hover .service-icon.security-icon {
    background: linear-gradient(135deg, #10b981 0%, #00f5ff 100%);
    color: #0a0a0f;
}

.service-icon.ai-icon {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(0, 245, 255, 0.15) 100%);
    color: #8b5cf6;
}

.service-card:hover .service-icon.ai-icon {
    background: linear-gradient(135deg, #8b5cf6 0%, #00f5ff 100%);
    color: #0a0a0f;
}

/* ===========================
   Skills Section
   =========================== */

.skill-category {
    background: linear-gradient(135deg, rgba(18, 18, 26, 0.6) 0%, rgba(26, 26, 37, 0.6) 100%);
    border: 1px solid rgba(37, 37, 50, 0.6);
    border-radius: 1.5rem;
    padding: 2rem;
}

.skill-bar {
    height: 8px;
    background: rgba(37, 37, 50, 0.8);
    border-radius: 9999px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #00f5ff 0%, #0080ff 100%);
    border-radius: 9999px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skill-progress.blue {
    background: linear-gradient(90deg, #0080ff 0%, #00f5ff 100%);
}

.skill-progress.purple {
    background: linear-gradient(90deg, #8b5cf6 0%, #0080ff 100%);
}

/* ===========================
   Contact Section
   =========================== */

.contact-form-container {
    background: linear-gradient(135deg, rgba(18, 18, 26, 0.8) 0%, rgba(26, 26, 37, 0.8) 100%);
    border: 1px solid rgba(37, 37, 50, 0.8);
    border-radius: 1.5rem;
    padding: 2.5rem;
}

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(10, 10, 15, 0.8);
    border: 1px solid rgba(37, 37, 50, 0.8);
    border-radius: 0.75rem;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #00f5ff;
    box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1);
}

.form-input::placeholder {
    color: #6b7280;
}

/* ===========================
   Social Links
   =========================== */

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: rgba(37, 37, 50, 0.5);
    border: 1px solid rgba(37, 37, 50, 0.8);
    color: #9ca3af;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, #00f5ff 0%, #0080ff 100%);
    border-color: transparent;
    color: #0a0a0f;
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.3);
}

/* WhatsApp Special Style */
.social-link.whatsapp-link:hover {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

/* ===========================
   Three.js Canvas
   =========================== */

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

#canvas-container canvas {
    display: block;
}

/* ===========================
   Responsive Adjustments
   =========================== */

@media (max-width: 768px) {
    .service-card {
        padding: 1.5rem;
    }
    
    .skill-category {
        padding: 1.5rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.875rem 1.5rem;
        font-size: 0.75rem;
    }
}

/* ===========================
   Glow Effects
   =========================== */

.glow-cyan {
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.5),
                0 0 40px rgba(0, 245, 255, 0.3),
                0 0 60px rgba(0, 245, 255, 0.1);
}

.glow-blue {
    box-shadow: 0 0 20px rgba(0, 128, 255, 0.5),
                0 0 40px rgba(0, 128, 255, 0.3),
                0 0 60px rgba(0, 128, 255, 0.1);
}

/* ===========================
   Loading Animation
   =========================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: #0a0a0f;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 245, 255, 0.1);
    border-top-color: #00f5ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===========================
   Form Success Message
   =========================== */

.form-success {
    display: none;
    text-align: center;
    padding: 2rem;
}

.form-success.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

.form-success svg {
    width: 4rem;
    height: 4rem;
    color: #00f5ff;
    margin-bottom: 1rem;
}

/* ===========================
   Particle Effects
   =========================== */

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #00f5ff;
    border-radius: 50%;
    pointer-events: none;
    animation: float 3s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-20px) translateX(10px);
        opacity: 1;
    }
}