/* Modern Design Variables - Premium Blue Theme */
:root {
    --primary-blue: #00B4D8;
    /* Electric Blue */
    --secondary-blue: #0A192F;
    /* Navy / Midnight */
    --accent-blue: #64FFDA;
    /* Teal / Cyan Accent */
    --bg-dark: #020617;
    /* Deepest Navy / Black */
    --bg-card: #0F172A;
    /* Slate Blue Card */
    --text-white: #F8FAFC;
    --text-dim: #94A3B8;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(56, 189, 248, 0.2);
    --glow-shadow: 0 0 20px rgba(0, 180, 216, 0.3);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --container-width: 1200px;
}

/* Animations Helpers */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 2px 2px, rgba(56, 189, 248, 0.05) 1px, transparent 0);
    background-size: 40px 40px;
    z-index: -2;
    pointer-events: none;
}

h1,
h2,
h3,
.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

span {
    color: var(--primary-blue);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Updated Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    border-radius: 8px;
    /* Slightly squarer for more modern look */
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--bg-dark);
    box-shadow: var(--glow-shadow);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 180, 216, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--glass-border);
}

.btn-secondary:hover {
    background-color: var(--glass-bg);
    border-color: var(--primary-blue);
    transform: translateY(-3px);
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(15px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
}

#navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.6rem;
    letter-spacing: -0.5px;
    color: var(--text-white);
}

.logo span {
    color: var(--primary-blue);
    margin-left: 2px;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-blue);
    text-shadow: 0 0 10px rgba(0, 180, 216, 0.4);
}

/* Hero Section Refinement */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(0, 180, 216, 0.1) 0%, transparent 40%);
    margin-top: 50px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h4 {
    color: var(--accent-blue);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.hero-content h1 {
    font-size: 5.5rem;
    line-height: 1;
    margin-bottom: 2rem;
}

.hero-content h1 span {
    color: var(--primary-blue);
    text-shadow: 0 0 20px rgba(0, 180, 216, 0.2);
}

.hero-content h3 {
    font-size: 1.8rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    font-weight: 300;
}

.social-links {
    display: flex;
    gap: 1.2rem;
    margin-top: 2rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-dim);
}

.social-links a:hover {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.2);
    transform: translateY(-5px);
}

/* Hero Image with Floating Effect */
.img-frame {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4/5;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    animation: floating 6s ease-in-out infinite;
}

.img-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

@keyframes floating {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* About Section */
section {
    padding: 120px 0;
}

.section-title {
    font-size: 3.5rem;
    text-align: left;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-blue);
}

.about-section .container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 6rem;
    align-items: center;
}

.about-text h5 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.15rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
}

.stats {
    display: flex;
    gap: 5rem;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--text-white);
}

.stat-item p {
    color: var(--primary-blue);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
}

/* Services Grid Refinement */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg-card);
    padding: 4rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    height: 100%;
}

.service-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-card i {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

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

/* Projects Section Styles */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    border-color: var(--primary-blue);
}

.project-img {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-img img {
    transform: scale(1.1);
    filter: brightness(0.7);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.9), rgba(10, 25, 47, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.view-btn {
    background: var(--primary-blue);
    color: var(--bg-dark);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    transform: translateY(20px);
}

.project-card:hover .view-btn {
    transform: translateY(0);
}

.view-btn:hover {
    background: var(--accent-blue);
    color: var(--bg-dark);
    transform: scale(1.05);
}

.project-content {
    padding: 2rem;
}

.tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tags span {
    background: rgba(0, 180, 216, 0.1);
    color: var(--primary-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--glass-border);
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.project-content p {
    color: var(--text-dim);
    line-height: 1.6;
}

/* Skills Section Dynamic */
.skills-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.skills-icons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.skill-item:hover {
    background: rgba(0, 180, 216, 0.1);
    border-color: var(--primary-blue);
    transform: scale(1.05);
}

.skill-item img {
    width: 45px;
    margin: 0 auto 15px;
    filter: grayscale(100%) opacity(0.7);
    transition: var(--transition);
}

.skill-item:hover img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.2);
}

.skill-item span {
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Contact Wrapper Modern Layout */
.contact-wrapper {
    background: var(--bg-card);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-radius: 30px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    margin-top: 3rem;
}

.contact-info {
    padding: 5rem;
    background: linear-gradient(135deg, #0A192F, #020617);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.contact-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    color: var(--text-dim);
    transition: var(--transition);
}

.contact-details li:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

.contact-details li i {
    color: var(--primary-blue);
    background: rgba(0, 180, 216, 0.1);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.2rem;
    border: 1px solid var(--glass-border);
}

.contact-form {
    padding: 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.2rem;
    color: var(--text-white);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-dim);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 20px rgba(0, 180, 216, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer Style */
footer {
    padding: 6rem 0 3rem;
    background: linear-gradient(135deg, #01040D, #020617);
    border-top: 1px solid var(--glass-border);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.footer-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-content .logo {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.footer-content p {
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 600px;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.footer-social a {
    background: var(--bg-card);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    transition: var(--transition);
    font-size: 1.2rem;
}

.footer-social a:hover {
    background: var(--primary-blue);
    color: var(--bg-dark);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 180, 216, 0.3);
    border-color: var(--primary-blue);
}

.copyright {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    width: 100%;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    border: 2px solid var(--glass-border);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 180, 216, 0.3);
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .container {
        padding: 0 4rem;
    }

    .hero-content h1 {
        font-size: 4rem;
    }

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

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }

    .contact-info,
    .contact-form {
        padding: 3rem;
    }
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        display: none;
    }

    .about-section .container,
    .skills-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .hero-btns {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .contact-info,
    .contact-form {
        padding: 2rem;
    }

    .contact-info {
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

    .section-title {
        font-size: 2.5rem;
        text-align: center;
    }

    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .stats {
        justify-content: center;
        gap: 3rem;
    }

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

    .project-img {
        height: 200px;
    }

    .service-card {
        padding: 2.5rem;
    }

    .contact-info h3 {
        font-size: 1.5rem;
    }

    .footer-content {
        padding: 0 1rem;
    }

    .footer-social a {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content h3 {
        font-size: 1.4rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .service-card {
        padding: 2rem;
    }

    .contact-info,
    .contact-form {
        padding: 1.5rem;
    }

    .stats {
        gap: 2rem;
    }

    .stat-item h3 {
        font-size: 2.5rem;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* Smooth scrolling for all browsers */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: var(--primary-blue);
    color: var(--bg-dark);
}

/* Focus styles for accessibility */
.btn:focus,
.nav-links a:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Loading animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s ease-in-out infinite;
}