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

:root {
    --color-primary: #3a86ff;
    --color-primary-dark: #2667cc;
    --color-secondary: #4361ee;
    --color-accent: #ff9e00;
    --color-dark: #222831;
    --color-dark-light: #393e46;
    --color-gray: #6c757d;
    --color-light-gray: #e9ecef;
    --color-white: #ffffff;
    --color-bg: #f8f9fa;
    --color-sidebar-bg: #2b2e3a;
    --color-sidebar-hover: #3f4357;
    --font-primary: 'Poppins', sans-serif;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

button,
input,
textarea,
select {
    font-family: var(--font-primary);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

p {
    margin-bottom: 1rem;
}

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

/* Layout */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100%;
    background-color: var(--color-sidebar-bg);
    color: var(--color-white);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    z-index: 100;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.main-content {
    margin-left: 280px;
    min-height: 100vh;
    width: calc(100% - 280px);
    transition: var(--transition);
}

/* Profile */
.profile {
    text-align: center;
    margin-bottom: 2rem;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 4px solid rgba(255, 255, 255, 0.2);
}

.profile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.profile p {
    color: var(--color-light-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Sidebar Navigation */
.sidebar nav {
    flex: 1;
}

.sidebar nav ul li {
    margin-bottom: 0.8rem;
}

.sidebar nav ul li a {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.sidebar nav ul li a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar nav ul li a:hover {
    background-color: var(--color-sidebar-hover);
}

.sidebar nav ul li a.active {
    background-color: var(--color-primary);
}

/* Social Icons */
.social {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 2rem;
}

.social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-sidebar-hover);
    color: var(--color-white);
    transition: var(--transition);
}

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

/* Menu Toggle Button */
.menu-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    z-index: 999;
    display: none;
}

/* Sections */
.section {
    padding: 5rem 3rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section:nth-child(even) {
    background-color: var(--color-white);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.divider {
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* Hero Section */
#home {
    justify-content: center;
    position: relative;
}

.hero {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero h2 {
    font-size: 1.8rem;
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero p {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: #e58e00;
    transform: translateY(-3px);
}

.about-text {
    color: var(--color-dark);
}

.about-details {
    margin-top: 2rem;
}

.about-details li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.about-details i {
    min-width: 30px;
    color: var(--color-primary);
}

.about-details span {
    font-weight: 600;
    margin-right: 10px;
    color: var(--color-dark);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    background-color: var(--color-light-gray);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.stat-item p {
    color: var(--color-gray);
    margin-bottom: 0;
}

/* Services Section */
.services-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

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

.service-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    opacity: 0;
    z-index: -1;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
}

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

.service-card:hover .service-icon {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.service-card:hover p {
    color: rgba(255, 255, 255, 0.8);
}

.service-card:hover .service-link {
    color: var(--color-white);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(58, 134, 255, 0.1);
    color: var(--color-primary);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition);
}

.service-link i {
    margin-left: 10px;
    transition: var(--transition);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* Skills Section */
.skills-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.skills-group h3 {
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.skills-group h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 20px;
}

.skill-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.skill-item h4 {
    font-size: 1rem;
    margin-bottom: 0;
    color: var(--color-dark);
}

/* Pricing Section */
.pricing-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

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

.pricing-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.pricing-header {
    background-color: var(--color-light-gray);
    padding: 30px;
    text-align: center;
}
.pricing-features {
    padding: 30px;
}

.pricing-features ul li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

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

.pricing-features ul li.disabled {
    color: var(--color-gray);
    opacity: 0.7;
}

.pricing-features ul li.disabled i {
    color: var(--color-gray);
}

.pricing-card .btn {
    display: block;
    margin: 0 30px 30px;
    text-align: center;
}

.pricing-card.popular .btn-accent:hover {
    background-color: #e58e00;
}

/* Contact Section */
.contact-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.contact-grid {
    display: grid;
    gap: 50px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    background-color: var(--color-white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-card i {
    font-size: 1.5rem;
    color: var(--color-primary);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(58, 134, 255, 0.1);
    margin-right: 15px;
}

.contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-card p {
    color: var(--color-gray);
    margin-bottom: 0;
}

.contact-form {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 15px 20px 15px 50px;
    border: 1px solid var(--color-light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    color: var(--color-dark);
    transition: var(--transition);
}

.input-group i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray);
    transition: var(--transition);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.1);
}

.input-group input:focus+i,
.input-group select:focus+i,
.input-group textarea:focus+i {
    color: var(--color-primary);
}

.input-group.textarea {
    height: 200px;
}

.input-group.textarea textarea {
    height: 100%;
    resize: none;
}

.input-group.textarea i {
    top: 25px;
    transform: none;
}

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

.contact-form .btn i {
    margin-left: 10px;
}

/* Footer */
footer {
    background-color: var(--color-white);
    padding: 2rem;
    text-align: center;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.05);
}

.copyright {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
}

/* Media Queries */
@media (max-width: 1200px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        margin-top: 2rem;
    }
}

@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .menu-toggle {
        display: flex;
    }

    .sidebar.active {
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4rem 2rem;
    }

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

    .hero h2 {
        font-size: 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        transform: scale(1);
    }
}

@media (max-width: 576px) {
    .section {
        padding: 3rem 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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