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

:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent: #888888;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 500;
    transition: var(--transition);
}

body.light-theme {
    --primary-bg: #f5f5f5;
    --secondary-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    background-color: var(--primary-bg);
    color: var(--text-primary);
}

/* Starry Background */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.star {
    position: absolute;
    background-color: var(--text-primary);
    border-radius: 50%;
    animation: twinkle linear infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 1; }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

body.light-theme nav {
    background-color: rgba(245, 245, 245, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin: 0 1.2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    font-family: 'Orbitron', sans-serif;
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--text-primary);
    transition: var(--transition);
}

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

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
}

.powered-by {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: 'Orbitron', sans-serif;
    transition: var(--transition);
}

.theme-toggle {
    cursor: pointer;
    margin-left: 1.5rem;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: rotate(30deg);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 5px;
    transition: var(--transition);
}

/* Sections */
section {
    min-height: 100vh;
    padding: 6rem 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
}

/* Home Section - Minimalist Design */
#home {
    background: var(--primary-bg);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.light-theme #home {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 800;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 4px;
    transition: var(--transition);
}

.hero-content p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-family: 'Orbitron', sans-serif;
    transition: var(--transition);
}

/* AI Assistant */
.ai-assistant {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 999;
    transition: var(--transition);
}

.ai-assistant:hover {
    transform: scale(1.1);
}

.ai-assistant .ai-icon {
    font-size: 24px;
    color: var(--text-primary);
}

.ai-tooltip {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: var(--secondary-bg);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.ai-assistant:hover .ai-tooltip {
    opacity: 1;
    visibility: visible;
}

/* AI Chat Interface */
.ai-chat-container {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 350px;
    height: 450px;
    background: var(--secondary-bg);
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.ai-chat-container.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.ai-chat-header {
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.light-theme .ai-chat-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.ai-chat-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 16px;
}

.ai-close {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 16px;
}

.ai-chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
}

.ai-message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 10px;
    max-width: 80%;
}

.ai-message-bot {
    background: rgba(136, 136, 136, 0.2);
    align-self: flex-start;
}

.ai-message-user {
    background: rgba(136, 136, 136, 0.1);
    align-self: flex-end;
    margin-left: auto;
}

.ai-chat-input {
    padding: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
}

body.light-theme .ai-chat-input {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.ai-chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    background: var(--primary-bg);
    color: var(--text-primary);
    outline: none;
}

body.light-theme .ai-chat-input input {
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.ai-chat-input button {
    margin-left: 10px;
    padding: 10px 15px;
    background: var(--accent);
    border: none;
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    padding: 10px 15px;
    background: rgba(136, 136, 136, 0.2);
    border-radius: 10px;
    align-self: flex-start;
    margin-bottom: 15px;
}

.typing-indicator span {
    height: 8px;
    width: 8px;
    background: var(--text-secondary);
    border-radius: 50%;
    display: inline-block;
    margin: 0 2px;
    animation: typing 1.5s infinite;
}

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

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

@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Responsive Design */
@media screen and (max-width: 968px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        height: calc(100vh - 70px);
        background-color: rgba(0, 0, 0, 0.9);
        flex-direction: column;
        align-items: center;
        justify-content: space-around;
        width: 100%;
        clip-path: circle(0px at 90% -10%);
        transition: all 0.8s ease-out;
    }
    
    body.light-theme .nav-links {
        background-color: rgba(245, 245, 245, 0.9);
    }
    
    .nav-links.open {
        clip-path: circle(1500px at 90% -10%);
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .hamburger.toggle .line2 {
        opacity: 0;
    }
    
    .hamburger.toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .powered-by {
        display: none;
    }
    
    .ai-chat-container {
        width: 300px;
        right: 15px;
    }
    
}
/* Resume Download Button - Smaller Version */
.resume-download {
    margin-top: 2.5rem;
    z-index: 1;
    text-align: center;
}

.resume-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.5rem;
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--text-primary);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.resume-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--text-primary);
    transition: var(--transition);
    z-index: -1;
}

.resume-btn:hover:before {
    left: 0;
}

.resume-btn:hover {
    color: var(--primary-bg);
}

.resume-btn i {
    margin-right: 0.6rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.resume-btn:hover i {
    transform: translateY(-2px);
}

body.light-theme .resume-btn {
    color: var(--text-primary);
    border: 1.5px solid var(--text-primary);
}

body.light-theme .resume-btn:before {
    background: var(--text-primary);
}

body.light-theme .resume-btn:hover {
    color: var(--primary-bg);
}

/* Responsive adjustments for resume button */
@media screen and (max-width: 768px) {
    .resume-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }
    
    .resume-btn i {
        margin-right: 0.5rem;
        font-size: 0.8rem;
    }
}