/* Base Styles - 2025 Color Palette */
:root {
    /* Primary Colors */
    --primary-color: #7F5AF0;       /* Digital Lavender - 2025 trending color */
    --secondary-color: #2CB67D;     /* Neo Mint - sustainable, futuristic */
    
    /* Background Colors */
    --dark-color: #16161A;          /* Rich Black - modern dark mode foundation */
    --light-color: #FFFFFE;         /* Clean white with subtle warmth */
    
    /* Accent Colors */
    --success-color: #72F2EB;       /* Cyber Aqua - tech-inspired */
    --danger-color: #FF5470;        /* Tranquil Dawn - softer alternative to red */
    
    /* Text Colors */
    --text-color: #242629;          /* Off-black for better readability */
    --text-light: #94A1B2;          /* Muted slate - gentle on eyes */
    
    /* UI Elements */
    --border-color: #E2E8F0;        /* Subtle border */
    --card-bg: #FFFFFE;             /* Card background */
    --gradient-1: linear-gradient(135deg, #7F5AF0, #2CB67D); /* Modern gradient */
    
    /* Animation */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

a {
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.primary-btn {
    background: var(--gradient-1);
    color: white;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(127, 90, 240, 0.3);
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    backdrop-filter: blur(5px);
}

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(127, 90, 240, 0.2);
}

.highlight {
    color: var(--primary-color);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(22, 22, 26, 0.9), rgba(22, 22, 26, 0.7)), url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    margin-top: 0;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(127, 90, 240, 0.2), transparent 50%);
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(44, 182, 125, 0.2), transparent 50%);
    z-index: 0;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.about-text p {
    margin-bottom: 20px;
}

.about-info {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(226, 232, 240, 0.8);
    backdrop-filter: blur(5px);
}

.info-item {
    margin-bottom: 30px;
}

.info-item h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.info-item ul li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.info-item ul li i {
    margin-right: 10px;
    color: var(--primary-color);
}

/* Experience & Education Sections */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    left: 0;
    margin-bottom: 30px;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background: var(--gradient-1);
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(127, 90, 240, 0.2);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    padding: 25px;
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    margin-bottom: 5px;
    color: var(--primary-color);
}

.timeline-content h4 {
    margin-bottom: 10px;
    font-weight: 500;
}

.timeline-date {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 15px;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-category {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
    margin-bottom: 20px;
    text-align: center;
}

.skill-item {
    margin-bottom: 15px;
}

.skill-item span {
    display: block;
    margin-bottom: 5px;
}

.skill-progress {
    height: 10px;
    background-color: var(--border-color);
    border-radius: 5px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: var(--gradient-1);
    animation: pulse 2s infinite;
    transition: width 1.2s ease-in-out;
    width: 0; /* Start at 0 width */
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 1;
    }
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-form {
    background-color: var(--card-bg);
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.8);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 40px 0;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(127, 90, 240, 0.1), transparent 40%);
    z-index: 0;
}

/* Custom cursor */
.custom-cursor {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s;
    z-index: 1;
    opacity: 0.5;
    mix-blend-mode: difference;
}

.cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 10000;
    transition: transform 0.1s;
}

.cursor-active {
    width: 60px;
    height: 60px;
    border-color: var(--secondary-color);
    background-color: rgba(127, 90, 240, 0.1);
    opacity: 0.8;
}

/* Notification system */
.notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 15px 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 9999;
    max-width: 350px;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification.success {
    border-left: 4px solid var(--secondary-color);
}

.notification.error {
    border-left: 4px solid #ff4757;
}

.notification.info {
    border-left: 4px solid var(--primary-color);
}

/* Form focus effects */
.form-group.focused input,
.form-group.focused textarea {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(127, 90, 240, 0.2);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ff4757;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

/* Active navigation link */
.nav-links a.active-link {
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
}

.nav-links a.active-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* Prevent scrolling when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 20px;
    position: relative;
    z-index: 5;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
    position: relative;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Animation classes */
.timeline-item, .skill-category, .about-content > div, .contact-content > div {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.animate, .skill-category.animate, .about-content > div.animate, .contact-content > div.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations for timeline items */
.timeline-item:nth-child(odd) {
    transform: translateX(-50px) translateY(30px);
}

.timeline-item:nth-child(even) {
    transform: translateX(50px) translateY(30px);
}

.timeline-item.animate:nth-child(odd),
.timeline-item.animate:nth-child(even) {
    transform: translateX(0) translateY(0);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
        left: 0;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-dot {
        left: 21px;
        right: auto;
    }

    .timeline-item:nth-child(even) .timeline-dot {
        left: 21px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--card-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .cta-buttons .btn {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }
}