/* Premium Portfolio Styles - Modern & Professional */

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --neutral-50: #f9fafb;
    --neutral-100: #f3f4f6;
    --neutral-200: #e5e7eb;
    --neutral-300: #d1d5db;
    --neutral-400: #9ca3af;
    --neutral-500: #6b7280;
    --neutral-600: #4b5563;
    --neutral-700: #374151;
    --neutral-800: #1f2937;
    --neutral-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--neutral-800);
    background: linear-gradient(135deg, var(--neutral-50) 0%, var(--neutral-100) 100%);
}

/* Custom Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

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

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(16, 185, 129, 0.3); }
    to { box-shadow: 0 0 30px rgba(16, 185, 129, 0.6), 0 0 40px rgba(16, 185, 129, 0.3); }
}

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

/* Glassmorphism Skill Cards */
.skill-card-glass {
    @apply relative h-full;
    transform: translateY(0);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
}

.skill-card-glass:hover {
    transform: translateY(-12px) scale(1.02);
}

.skill-card-glass:hover .skill-percentage {
    @apply text-primary;
}

/* Enhanced Navbar Styles */
.nav-link.active {
    @apply text-primary bg-white/10;
}

.nav-link-contact {
    position: relative;
    overflow: hidden;
}

.nav-link-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.nav-link-contact:hover::before {
    left: 100%;
}

/* Mobile Menu Enhancements */
#hamburger span {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

#hamburger span:nth-child(1) {
    transform: translateY(-8px);
}

#hamburger span:nth-child(3) {
    transform: translateY(8px);
}

#hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

#hamburger.active span:nth-child(2) {
    opacity: 0;
}

#hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation Links */
.mobile-nav-link {
    position: relative;
    overflow: hidden;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
    transition: left 0.5s;
}

.mobile-nav-link:hover::before {
    left: 100%;
}

/* Active Section Highlight */
.section-active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
}

/* Smooth Scroll Enhancement */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

/* Enhanced Loading States */
@keyframes pulse-subtle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.loading-subtle {
    animation: pulse-subtle 2s ease-in-out infinite;
}

/* Premium Shadow Variants */
.shadow-glass {
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.shadow-glass-intense {
    box-shadow: 0 16px 64px 0 rgba(31, 38, 135, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.25);
}
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(16, 185, 129, 0.3); }
    to { box-shadow: 0 0 30px rgba(16, 185, 129, 0.5); }
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Premium Navbar */
.navbar-scrolled {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-lg);
}

.nav-link.active {
    color: var(--primary);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 1px;
}

/* Hamburger Menu Animation */
#hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#hamburger.active span:nth-child(2) {
    opacity: 0;
}

#hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section Animations */
.hero-gradient {
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.1) 0%, 
        rgba(16, 185, 129, 0.05) 50%, 
        rgba(16, 185, 129, 0.1) 100%);
}

.typing-cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--primary);
    animation: blink 1s infinite;
}

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

/* Premium Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

/* Social Icons */
.social-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s;
}

.social-icon:hover::before {
    width: 100%;
    height: 100%;
}

.social-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.2);
}

/* Skill Cards */
.skill-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--neutral-200);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: transform 0.3s;
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.skill-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
    font-size: 20px;
    transition: all 0.3s;
}

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

/* Project Cards */
.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--neutral-200);
    position: relative;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}

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

.project-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-content {
    padding: 24px;
    position: relative;
    z-index: 1;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--neutral-900);
    transition: color 0.3s;
}

.project-card:hover .project-title {
    color: var(--primary);
}

.project-description {
    color: var(--neutral-600);
    margin-bottom: 16px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(16, 185, 129, 0.2);
    transition: all 0.3s;
}

.tech-badge:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.2);
}

.project-actions {
    display: flex;
    gap: 12px;
}

.project-btn {
    flex: 1;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

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

.project-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.project-btn-primary:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.project-btn-secondary {
    background: var(--neutral-100);
    color: var(--neutral-700);
    border: 1px solid var(--neutral-200);
}

.project-btn-secondary:hover {
    background: var(--neutral-200);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Add line-clamp utility */
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Project card shine effect */
.project-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg) translateX(-100%);
    transition: transform 0.6s;
    pointer-events: none;
    z-index: 2;
}

.project-card:hover::after {
    transform: rotate(45deg) translateX(100%);
}

/* Contact Form */
.form-input {
    transition: all 0.3s;
    border: 2px solid var(--neutral-200);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Modal Styles */
.modal-backdrop {
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    animation: slideUp 0.3s ease-out;
}

/* Success/Error Messages */
.message-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    margin-top: 16px;
    animation: slideUp 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 12px;
}

.message-error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    margin-top: 16px;
    animation: slideUp 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Loading Spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .project-card:hover {
        transform: translateY(-6px);
    }
    
    .skill-card:hover {
        transform: translateY(-4px);
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Glassmorphism Effects */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Premium Shadows */
.shadow-premium {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.shadow-premium-hover {
    transition: box-shadow 0.3s;
}

.shadow-premium-hover:hover {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}