/* Global Styles */
:root {
    /* Light mode colors (default) */
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #4cc9f0;
    --text-color: #333;
    --body-bg: #ffffff;
    --card-bg: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --success-color: #4BB543;
    --error-color: #FF3B30;
    --border-color: rgba(0, 0, 0, 0.1);
    --header-bg: #ffffff;
    --footer-bg: #2b2d42;
    --footer-text: #ffffff;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Dark mode colors */
[data-theme="dark"] {
    --primary-color: #6c8cff;
    --secondary-color: #9d4edd;
    --accent-color: #64dfdf;
    --text-color: #e1e1e1;
    --body-bg: #121212;
    --card-bg: #1e1e1e;
    --light-gray: #2a2a2a;
    --medium-gray: #3a3a3a;
    --dark-gray: #a0a0a0;
    --success-color: #4BB543;
    --error-color: #FF453A;
    --border-color: rgba(255, 255, 255, 0.1);
    --header-bg: #1a1a1a;
    --footer-bg: #121212;
    --footer-text: #e1e1e1;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--body-bg);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
    margin-bottom: 20px;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 3px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
    margin-left: 15px;
    position: relative;
    overflow: hidden;
}

.btn-secondary:hover {
    background-color: #fff;
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Add specific styles for the secondary button in other sections (not hero) */
section:not(#hero) .btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

section:not(#hero) .btn-secondary:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
}

/* Header Styles */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--header-bg);
    box-shadow: var(--box-shadow);
    padding: 20px 0;
    transition: var(--transition);
}

#header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo-text {
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    padding: 5px 0;
    position: relative;
}

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

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

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

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--text-color);
}

/* Theme Toggle */
.theme-toggle {
    margin-left: 30px;
    cursor: pointer;
    width: 50px;
    height: 26px;
    background-color: var(--medium-gray);
    border-radius: 30px;
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5px;
}

.theme-toggle i {
    font-size: 14px;
    color: var(--text-color);
    z-index: 1;
}

.theme-toggle .toggle-ball {
    position: absolute;
    width: 22px;
    height: 22px;
    background-color: #fff;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle .toggle-ball {
    left: 26px;
}

/* Hero Section */
#hero {
    background: linear-gradient(rgba(67, 97, 238, 0.8), rgba(58, 12, 163, 0.75)), url('assets/images/hero-bg.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 0;
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3));
    z-index: 1;
}

#hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-content h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    font-weight: 400;
    animation: fadeInDown 1s ease 0.2s forwards;
    opacity: 0;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    animation: fadeInDown 1s ease 0.4s forwards;
    opacity: 0;
}

.hero-buttons {
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

/* Services Section */
#services {
    background-color: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-icon img {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    margin-top: 30px;
}

.about-text h3:first-child {
    margin-top: 0;
}

.values-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: baseline;
    position: relative;
    padding-left: 10px;
}

.values-list li:before {
    content: "●";
    color: var(--accent-color);
    margin-right: 10px;
    font-size: 0.8rem;
}

.values-list span {
    font-weight: 600;
    color: var(--primary-color);
    margin-right: 5px;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4/3;
    background-color: var(--medium-gray);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 15px;
    font-size: 5rem;
    color: var(--primary-color);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.image-placeholder:hover img {
    transform: scale(1.05);
}

/* Projects Section */
#projects {
    background-color: var(--light-gray);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-image .image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 0;
    box-shadow: none;
    background-color: transparent;
}

.project-image .image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: 25px;
}

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

.project-tech {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tech span {
    background-color: var(--medium-gray);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.project-tech span:hover {
    background-color: var(--primary-color);
    color: #fff;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
    padding-top: 5px;
}

.contact-text h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

.contact-form {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    background-color: var(--body-bg);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

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

.contact-form .btn {
    width: 100%;
}

/* Footer Section */
#footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 50px 0;
}

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

.footer-logo .logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: inline-block;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Media Queries */
@media screen and (max-width: 992px) {
    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        order: -1;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--header-bg);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    section {
        padding: 70px 0;
    }
    
    .theme-toggle {
        margin: 20px auto 0;
    }
    
    .nav-links li:last-child {
        margin-top: 5px;
    }
}

@media screen and (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-secondary {
        margin-left: 0;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Form Alert Styles */
.form-alert {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    transition: opacity 0.3s ease;
    position: relative;
}

.form-alert.success {
    background-color: rgba(75, 181, 67, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.form-alert.error {
    background-color: rgba(255, 59, 48, 0.1);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.form-alert.info {
    background-color: rgba(0, 122, 255, 0.1);
    color: #0070E0;
    border: 1px solid #0070E0;
}

/* Animation for elements being revealed on scroll */
.animated {
    opacity: 1 !important;
    transform: translateY(0) !important;
}