/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --color-bg: #050505;
    --color-bg-alt: #0a0a0a;
    --color-primary: #00e5ff;
    --color-secondary: #ff00e5;
    --color-text: #ffffff;
    --color-text-alt: #b0b0b0;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Sizes */
    --header-height: 80px;
    --section-padding: 120px 0;
}

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%; /* 10px = 1rem */
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

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

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    background: none;
    outline: none;
}

/* ===== LOADER ===== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.loader-content {
    text-align: center;
}

.loader h1 {
    font-family: var(--font-secondary);
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.progress-bar {
    width: 30rem;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.progress-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-fast);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* ===== CANVAS ===== */
.webgl {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ===== CONTENT WRAPPER ===== */
.content-wrapper {
    position: relative;
    z-index: 1;
}

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5rem;
    z-index: 100;
    transition: background-color var(--transition-fast);
}

header.scrolled {
    background-color: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.logo {
    font-family: var(--font-secondary);
    font-size: 2.4rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

nav ul {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-size: 1.6rem;
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-fast);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 3rem;
    height: 2.1rem;
    cursor: pointer;
    position: relative;
    z-index: 1000;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-radius: 2px;
}

/* Body styles when menu is open */
body.menu-open {
    overflow: hidden;
}

/* ===== SECTIONS ===== */
.section {
    min-height: 100vh;
    padding: var(--section-padding);
    display: flex;
    align-items: center;
    position: relative;
}

.section-content {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 5rem;
    width: 100%;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 4.8rem;
    font-weight: 700;
    margin-bottom: 6rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    width: 6rem;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
}

/* ===== HOME SECTION ===== */
#home {
    padding-top: calc(var(--header-height) + 5rem);
}

.title {
    font-family: var(--font-secondary);
    font-size: 7.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    max-width: 80rem;
}

.subtitle {
    font-size: 2rem;
    color: var(--color-text-alt);
    margin-bottom: 4rem;
    max-width: 60rem;
}

.cta-container {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 1.5rem 3rem;
    font-size: 1.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 5px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-bg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    color: var(--color-bg);
}

.cta-button.outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-primary);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.cta-button.outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    z-index: -1;
    transition: width var(--transition-fast);
}

.cta-button.outline:hover {
    color: var(--color-bg);
}

.cta-button.outline:hover::before {
    width: 100%;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
    gap: 4rem;
}

.service-card {
    background-color: var(--color-bg-alt);
    border-radius: 10px;
    padding: 3rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
}

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

.service-icon {
    width: 8rem;
    height: 8rem;
    margin-bottom: 2rem;
    position: relative;
}

.icon-3d {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.service-card p {
    color: var(--color-text-alt);
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(35rem, 1fr));
    gap: 5rem;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--color-bg-alt);
}

.portfolio-preview {
    height: 25rem;
    position: relative;
    overflow: hidden;
}

.portfolio-3d {
    width: 100%;
    height: 100%;
    position: relative;
}

.portfolio-info {
    padding: 3rem;
}

.portfolio-info h3 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.portfolio-info p {
    color: var(--color-text-alt);
    margin-bottom: 2rem;
}

.portfolio-link {
    display: inline-block;
    font-weight: 600;
    color: var(--color-primary);
    position: relative;
}

.portfolio-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.portfolio-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ===== CONTACT SECTION ===== */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
    gap: 5rem;
}

.contact-info h3 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.contact-info p {
    color: var(--color-text-alt);
    margin-bottom: 3rem;
    max-width: 40rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-label {
    font-weight: 600;
    color: var(--color-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.form-group label {
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 1.2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 5px;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
}

.submit-button {
    padding: 1.5rem 3rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-bg);
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    margin-top: 1rem;
    align-self: flex-start;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--color-bg-alt);
    padding: 5rem 0 2rem;
}

.footer-content {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.footer-logo {
    font-family: var(--font-secondary);
    font-size: 2.4rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-social {
    display: flex;
    gap: 2rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

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

.social-icon svg {
    width: 2rem;
    height: 2rem;
    stroke: var(--color-text);
    transition: stroke var(--transition-fast);
}

.social-icon:hover svg {
    stroke: var(--color-bg);
}

.footer-bottom {
    max-width: 120rem;
    margin: 0 auto;
    padding: 3rem 5rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 3rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-alt);
    font-size: 1.4rem;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1200px) {
    html {
        font-size: 58%;
    }
}

@media (max-width: 992px) {
    html {
        font-size: 56%;
    }
    
    .title {
        font-size: 6rem;
    }
    
    .section-title {
        font-size: 4rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 54%;
    }
    
    header {
        padding: 0 3rem;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        z-index: 999;
        box-shadow: none;
    }
    
    nav.active {
        right: 0;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    /* Overlay when menu is active */
    body::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.7);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease, visibility 0.4s ease;
        pointer-events: none;
    }
    
    body.menu-open::after {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .menu-toggle {
        display: flex !important; /* Force display in mobile view */
        z-index: 1000;
        cursor: pointer;
    }
    
    .menu-toggle .bar {
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
        background-color: var(--color-primary);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
        background-color: var(--color-primary);
    }
    
    /* Enhance nav links in mobile view */
    nav ul {
        gap: 2rem;
    }
    
    nav .nav-link {
        font-size: 2rem;
        opacity: 0.7;
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    nav .nav-link:hover {
        opacity: 1;
        transform: translateX(5px);
    }
    
    .section-content {
        padding: 0 3rem;
    }
    
    .title {
        font-size: 5rem;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 2rem;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 52%;
    }
    
    .title {
        font-size: 4.2rem;
    }
    
    .section-title {
        font-size: 3.6rem;
    }
    
    .cta-container {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 229, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 229, 255, 0);
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}
/* ===== AI CHAT SECTION STYLES ===== */
#ai-chat {
    background-color: var(--color-bg); /* Match existing background or choose a slightly different shade */
}

.chat-container {
    max-width: 800px; /* Adjust width as needed */
    margin: 4rem auto 0; /* Add some space below the section title */
    background-color: var(--color-bg-alt);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    height: 60vh; /* Adjust overall height of the chat box */
    max-height: 500px; /* Set a maximum height */
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.chat-display {
    flex-grow: 1; /* Allows this area to take up available space */
    padding: 2rem;
    overflow-y: auto; /* Enables scrolling for messages */
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Space between messages */
}

/* Styling for scrollbar (optional, for Webkit browsers like Chrome/Safari) */
.chat-display::-webkit-scrollbar {
    width: 6px;
}

.chat-display::-webkit-scrollbar-track {
    background: transparent;
}

.chat-display::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.chat-message {
    padding: 1rem 1.5rem;
    border-radius: 15px;
    max-width: 75%; /* Messages don't span the entire width */
    line-height: 1.5;
    animation: fadeIn 0.3s ease-out; /* Add fade-in animation */
}

.chat-message.user {
    /* Style for user messages */
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-bg);
    align-self: flex-end; /* Aligns user messages to the right */
    border-bottom-right-radius: 5px; /* Slight visual tweak */
}

.chat-message.ai {
    /* Style for AI messages */
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-alt);
    align-self: flex-start; /* Aligns AI messages to the left */
    border-bottom-left-radius: 5px; /* Slight visual tweak */
}

.chat-input-area {
    display: flex;
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-alt); /* Match container background */
}

.chat-input {
    flex-grow: 1; /* Input field takes available space */
    padding: 1.2rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 25px; /* Rounded input field */
    margin-right: 1rem; /* Space between input and button */
    transition: border-color var(--transition-fast);
}

.chat-input:focus {
    border-color: var(--color-primary); /* Highlight when focused */
    outline: none;
}

.chat-send-button {
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: 50%; /* Circular button */
    width: 48px; /* Fixed size */
    height: 48px; /* Fixed size */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-fast);
    flex-shrink: 0; /* Prevent button from shrinking */
}

.chat-send-button svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-bg); /* Icon color */
}

.chat-send-button:hover {
    transform: scale(1.1); /* Slight zoom effect on hover */
}

/* Keyframes for fade-in animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
/* ===== END AI CHAT SECTION STYLES ===== */