:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --secondary-gradient: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%);
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --text-light: #1e293b;
    --text-dark: #f1f5f9;
    --card-light: rgba(255, 255, 255, 0.8);
    --card-dark: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-soft: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Typography */
    --font-heading: 'Outfit', 'Poppins', sans-serif;
    --font-body: 'Inter', 'Poppins', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-light);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

body.dark-mode {
    background-color: var(--bg-dark);
    color: var(--text-dark);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

.dark-mode ::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4f46e5;
}

/* Layout Utilities */
.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    z-index: 10;
}

.glass-hero {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 60px;
    border-radius: 40px;
    max-width: 800px;
    box-shadow: var(--shadow-xl);
}

.dark-mode .glass-hero {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(20px);
}

.section-title span {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Background elements for depth */
.blob {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--primary-gradient);
    filter: blur(80px);
    opacity: 0.1;
    z-index: -1;
    border-radius: 50%;
}

/* Glassmorphism Classes */
.glass {
    background: var(--card-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.dark-mode .glass {
    background: var(--card-dark);
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: all var(--transition-base);
}

#navbar.scrolled {
    height: 70px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.dark-mode #navbar.scrolled {
    background: rgba(15, 23, 42, 0.8);
}

.navbar-container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 40px;
    width: auto;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

#menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

#menu li a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 99px;
    transition: all var(--transition-base);
    position: relative;
}

.dark-mode #menu li a {
    color: var(--text-dark);
}

#menu li a:hover,
#menu li a.active {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.menu-icon {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-light);
}

.dark-mode .menu-icon {
    color: var(--text-dark);
}

/* Dark Mode Switch */
.switch-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.switch {
    width: 50px;
    height: 26px;
    position: relative;
    cursor: pointer;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    border-radius: 34px;
    transition: background-color var(--transition-base);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-base);
}

input:checked+.slider {
    background: var(--primary-gradient);
}

input:checked+.slider:before {
    transform: translateX(24px);
}

/* Hero Section */
#header {
    height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--bg-light);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.1) 0px, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    position: relative;
    overflow: hidden;
}

.dark-mode #header {
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.15) 0px, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

/* Floating animated background elements */
#header::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: var(--primary-gradient);
    filter: blur(120px);
    opacity: 0.2;
    border-radius: 50%;
    animation: pulse-slow 10s infinite alternate;
}

#header::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: 15%;
    width: 400px;
    height: 400px;
    background: var(--secondary-gradient);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
    animation: pulse-slow 15s infinite alternate-reverse;
}

@keyframes pulse-slow {
    0% {
        transform: scale(1) translate(0, 0);
    }

    100% {
        transform: scale(1.2) translate(50px, 30px);
    }
}

.intro-text p {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.intro-text h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    font-weight: 700;
}

.intro-text h1 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 32px;
    border-radius: 99px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 20px -10px rgba(99, 102, 241, 0.5);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -10px rgba(99, 102, 241, 0.6);
}

/* About Section */
#about .row {
    display: flex;
    gap: 80px;
    align-items: center;
}

.about-col-1 {
    flex: 1;
    position: relative;
}

.about-col-1 img {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow-xl);
    z-index: 2;
    position: relative;
    transition: transform var(--transition-slow);
}

.about-col-1:hover img {
    transform: scale(1.02);
}

.about-col-1::after {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    border-top: 5px solid var(--primary-color);
    border-left: 5px solid var(--primary-color);
    border-radius: 20px 0 0 0;
}

.about-col-2 {
    flex: 1.5;
}

.about-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.about-title span {
    color: var(--primary-color);
}

.tabtitles {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.tablinks {
    padding-bottom: 10px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    color: #64748b;
    transition: color var(--transition-base);
}

.tablinks.active-link {
    color: var(--primary-color);
}

.tablinks.active-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.tabcontents {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tabcontents.active {
    display: block;
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    list-style: none;
}

.skills-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(99, 102, 241, 0.05);
    padding: 12px 20px;
    border-radius: 12px;
    transition: transform var(--transition-fast);
}

.skills-list li:hover {
    transform: translateY(-5px);
    background: rgba(99, 102, 241, 0.1);
}

.skills-list li i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Services Section */
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.services-box {
    padding: 40px;
    text-align: left;
    transition: all var(--transition-base);
    height: 100%;
}

.services-box:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.services-box i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.services-box h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Portfolio Section */
.portfolio-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-box {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    height: 400px;
    cursor: pointer;
}

.portfolio-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-box:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-box:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    color: white;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    color: #cbd5e1;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* Contact Section */
.contact-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-left h3 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-info p i {
    width: 45px;
    height: 45px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.25rem;
    transition: all var(--transition-base);
    border: 1px solid var(--glass-border);
}

.dark-mode .social-icons a {
    background: var(--bg-dark);
    color: var(--text-dark);
}

.social-icons a:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-5px);
}

/* Form Styles */
form {
    padding: 40px;
}

.form-group {
    margin-bottom: 1.5rem;
}

form input,
form textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid transparent;
    border-radius: 16px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.dark-mode form input,
.dark-mode form textarea {
    color: var(--text-dark);
}

form input:focus,
form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: transparent;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Scroll Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .section-title {
        font-size: 2.5rem;
    }

    .intro-text h1 {
        font-size: 3rem;
    }

    #about .row {
        flex-direction: column;
        text-align: center;
    }

    .contact-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    #menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-light);
        flex-direction: column;
        padding: 40px;
        transition: 0.5s ease;
    }

    .dark-mode #menu {
        background: var(--bg-dark);
    }

    #menu.show {
        right: 0;
    }

    .menu-icon {
        display: block !important;
    }
}

/* Base Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}