/* Variables */
:root {
    --primary-color: #1a4b6e;
    --secondary-color: #2d7ba9;
    --accent-color: #40a9ff;
    --dark-blue: #0c2233;
    --light-blue: #e6f7ff;
    --white: #ffffff;
    --glow-color: rgba(64, 169, 255, 0.5);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    background-color: var(--dark-blue);
    color: var(--white);
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
}

/* Container Adjustments */
section {
    padding: 5rem 5%;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.home-container,
.about-container,
.skills-container,
.projects-grid,
.certificates-container,
.contact-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

/* Mobile Specific Fixes */
@media (max-width: 768px) {
    body {
        padding: 0;
    }

    section {
        padding: 4rem 1rem;
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .home-container {
        padding: 0;
        width: 100%;
    }

    .skills-container {
        padding: 0;
        gap: 1rem;
    }

    .skill-category {
        margin: 0;
        width: 100%;
    }

    .projects-grid {
        padding: 0;
        width: 100%;
    }

    .project-card {
        margin: 0;
        width: 100%;
    }

    .certificates-container {
        padding: 0;
        width: 100%;
    }

    .contact-container {
        padding: 0;
        width: 100%;
    }

    .navbar {
        padding: 1rem;
        width: 100%;
    }

    .nav-links.active {
        padding: 80px 1rem;
        width: 100vw;
    }
}

/* Small Mobile Adjustments */
@media (max-width: 480px) {
    section {
        padding: 3rem 1rem;
    }

    .home-container,
    .about-container,
    .skills-container,
    .projects-grid,
    .certificates-container,
    .contact-container {
        padding: 0;
        width: 100%;
    }

    .skill-category,
    .project-card,
    .certificate-card {
        border-radius: 10px;
        margin: 0;
        width: 100%;
    }

    .about-image-container {
        padding: 0;
    }

    .about-text-container {
        padding: 1.5rem;
    }

    .contact-form-side {
        padding: 1.5rem;
        margin: 0;
        width: 100%;
    }
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(12, 34, 51, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.logo:hover {
    color: var(--white);
    text-shadow: 0 0 10px rgba(64, 169, 255, 0.5);
}

.logo:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
    background-color: rgba(64, 169, 255, 0.1);
}

/* Sections */
h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--accent-color);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--accent-color);
}

/* Home Section */
.home-section {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    padding: 80px 5% 40px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.home-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.home-content {
    flex: 1;
    text-align: left;
    padding-right: 1rem;
}

.greeting {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.name {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.highlight {
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    bottom: 5px;
    left: 0;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

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

.role {
    font-size: 3.5rem;
    color: var(--light-blue);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    position: relative;
    display: inline-block;
    width: fit-content;
    overflow: visible;
    cursor: pointer;
    animation: initialLoad 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.role::after {
    content: '';
    position: absolute;
    left: 2px;
    right: 2px;
    bottom: -10px;
    width: calc(100% - 4px);
    height: 4px;
    background: linear-gradient(90deg, 
        var(--accent-color), 
        var(--primary-color), 
        var(--accent-color)
    );
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(64, 169, 255, 0.5);
    transform-origin: left;
    transform: scaleX(0);
}

.role::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 35%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(64, 169, 255, 0.15),
        transparent
    );
    opacity: 0;
    transform: translateX(0);
    pointer-events: none;
}

.role.animate::after {
    animation: underline-animation 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.role.animate::before {
    animation: shimmer 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.3s;
}

.role:hover::after {
    animation: underline-animation 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.role:hover::before {
    animation: shimmer 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.3s;
}

@keyframes initialLoad {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes underline-animation {
    0% {
        transform: scaleX(0);
        opacity: 0;
    }
    100% {
        transform: scaleX(1);
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(0);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        transform: translateX(235%);
        opacity: 1;
    }
    100% {
        transform: translateX(235%);
        opacity: 0;
    }
}

/* Hover effects */
.role:hover::after {
    animation: underline-animation 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.role:hover::before {
    animation: shimmer 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.3s;
}

@keyframes underline-animation {
    0% {
        transform: scaleX(0);
        opacity: 0;
    }
    100% {
        transform: scaleX(1);
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(0);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        transform: translateX(235%);
        opacity: 1;
    }
    100% {
        transform: translateX(235%);
        opacity: 0;
    }
}

.bio {
    font-size: 1.1rem;
    color: var(--light-blue);
    margin-bottom: 2rem;
    max-width: 600px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(64, 169, 255, 0.1);
    border: 2px solid rgba(64, 169, 255, 0.2);
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at center,
        var(--accent-color) 0%,
        transparent 70%
    );
    opacity: 0;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
    border-color: var(--accent-color);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(64, 169, 255, 0.3);
}

.social-link:hover::before {
    opacity: 0.2;
}

.social-link i {
    font-size: 1.2rem;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.social-link:hover i {
    transform: scale(1.1);
}

/* Typing Animation */
.typing-text {
    display: inline-block;
    color: var(--accent-color);
}

.typing-cursor {
    display: inline-block;
    color: var(--accent-color);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* Glowing Effect */
.glow-effect {
    position: relative;
    overflow: hidden;
}

.glow-effect::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        var(--glow-color) 0%,
        transparent 70%
    );
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.glow-effect:hover::before {
    opacity: 1;
    animation: rotate 2s infinite linear;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Profile Image */
.profile-container {
    position: relative;
    width: 350px;
    height: 350px;
    margin: 0 auto;
    perspective: 1000px;
}

.profile-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 340px;
    height: 340px;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.7) 0%,
        rgba(255, 255, 255, 0.5) 10%,
        rgba(64, 169, 255, 0.45) 20%,
        rgba(64, 169, 255, 0.3) 40%,
        transparent 70%
    );
    border-radius: 50%;
    opacity: 0.9;
    filter: blur(12px);
    animation: glowPulse 4s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

.profile-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 360px;
    height: 360px;
    transform: translate(-50%, -50%);
    background: conic-gradient(
        from 0deg,
        transparent,
        rgba(255, 255, 255, 0.5) 45deg,
        rgba(64, 169, 255, 0.5) 90deg,
        transparent 180deg,
        rgba(255, 255, 255, 0.5) 225deg,
        rgba(64, 169, 255, 0.5) 270deg,
        transparent 360deg
    );
    border-radius: 50%;
    animation: rotateSunRays 8s linear infinite;
    opacity: 0.6;
}

.profile-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 380px;
    height: 380px;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.5) 0%,
        rgba(255, 255, 255, 0.3) 20%,
        rgba(64, 169, 255, 0.3) 40%,
        rgba(64, 169, 255, 0.1) 60%,
        transparent 70%
    );
    border-radius: 50%;
    filter: blur(15px);
    animation: outerGlow 4s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.9;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 1;
    }
}

@keyframes rotateSunRays {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes outerGlow {
    0% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.05);
    }
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
}

.profile-image {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 25px;
    border-radius: 50%;
    overflow: hidden;
    z-index: 2;
    box-shadow: 
        0 0 40px rgba(64, 169, 255, 0.4),
        0 0 80px rgba(64, 169, 255, 0.2),
        inset 0 0 30px rgba(255, 255, 255, 0.4);
    transition: all 0.5s ease;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: all 0.5s ease;
}

.profile-image:hover {
    box-shadow: 
        0 0 50px rgba(64, 169, 255, 0.5),
        0 0 100px rgba(64, 169, 255, 0.3),
        inset 0 0 40px rgba(255, 255, 255, 0.5);
    transform: scale(1.02);
}

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

.profile-ring {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--accent-color);
    border-right-color: var(--secondary-color);
    border-bottom-color: var(--primary-color);
    animation: rotate 4s linear infinite;
    box-shadow: 0 0 20px rgba(64, 169, 255, 0.3);
}

.profile-ring::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: rgba(64, 169, 255, 0.4);
    border-right-color: rgba(64, 169, 255, 0.2);
    border-bottom-color: rgba(64, 169, 255, 0.4);
    animation: rotate 3s linear infinite reverse;
    opacity: 0.7;
}

/* Button Styles */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: var(--transition);
}

.cta-button:hover::before {
    left: 100%;
    transition: 0.5s;
}

/* Social Links */
.social-link {
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(64, 169, 255, 0.15);
    border: 2px solid rgba(64, 169, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at center,
        var(--accent-color) 0%,
        transparent 70%
    );
    opacity: 0;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--white);
    transform: translateY(-3px);
    border-color: var(--accent-color);
    background: rgba(64, 169, 255, 0.2);
}

.social-link:hover::before {
    opacity: 0.2;
}

.social-link i {
    position: relative;
    z-index: 1;
}

/* About Section Update */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.about-image-container {
    position: relative;
    padding: 2rem;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.about-image {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    z-index: 2;
    transform-style: preserve-3d;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(
        135deg,
        rgba(64, 169, 255, 0.1),
        rgba(26, 75, 110, 0.2)
    );
}

.about-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(64, 169, 255, 0.2),
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: -2px;
    border: 2px solid var(--accent-color);
    border-radius: 20px;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.about-image:hover::before {
    opacity: 1;
}

.about-image:hover::after {
    opacity: 0.6;
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(64, 169, 255, 0.3);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.about-image-container:hover .about-image {
    transform: translateZ(20px);
}

.about-image-container:hover img {
    transform: scale(1.05) translateZ(30px);
}

/* Decorative corners */
.image-shape {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.image-shape::before,
.image-shape::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 50px;
    border-color: var(--accent-color);
    border-style: solid;
    transition: all 0.3s ease;
    opacity: 0.6;
}

/* Top left corner */
.image-shape::before {
    top: 0;
    left: 0;
    border-width: 3px 0 0 3px;
    border-radius: 15px 0 0 0;
}

/* Bottom right corner */
.image-shape::after {
    bottom: 0;
    right: 0;
    border-width: 0 3px 3px 0;
    border-radius: 0 0 15px 0;
}

.about-image-container:hover .image-shape::before {
    transform: translate(10px, 10px);
    opacity: 1;
}

.about-image-container:hover .image-shape::after {
    transform: translate(-10px, -10px);
    opacity: 1;
}

/* Floating and glowing animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 
            0 0 20px rgba(64, 169, 255, 0.2),
            0 0 40px rgba(64, 169, 255, 0.1);
    }
    50% {
        box-shadow: 
            0 0 30px rgba(64, 169, 255, 0.3),
            0 0 60px rgba(64, 169, 255, 0.15);
    }
}

.about-image {
    animation: float 6s ease-in-out infinite, glow 4s ease-in-out infinite;
}

/* Add shine effect */
@keyframes shine {
    0% {
        background-position: -100% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

.about-image::before {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(64, 169, 255, 0.2),
        transparent
    );
    background-size: 200% 100%;
    animation: shine 3s infinite linear;
}

/* About Section Updates */
.about-text-container {
    padding: 2rem;
    background: rgba(45, 123, 169, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(64, 169, 255, 0.2);
    transition: all 0.3s ease;
}

.about-text-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.about-subtitle {
    color: var(--accent-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.about-subtitle::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.about-text-container:hover .about-subtitle::after {
    width: 100px;
}

.about-description {
    color: var(--light-blue);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}



.about-cta i {
    transition: transform 0.3s ease;
}

.about-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.about-cta:hover i {
    transform: translateX(5px);
}

/* Stats Section */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(64, 169, 255, 0.1);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(64, 169, 255, 0.2);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--light-blue);
    font-size: 0.9rem;
}

/* Details Section */
.about-details {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
    background: rgba(64, 169, 255, 0.1);
    border-radius: 10px;
    transition: var(--transition);
}

.detail-item:hover {
    transform: translateX(10px);
    background: rgba(64, 169, 255, 0.2);
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(64, 169, 255, 0.15);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.detail-item:hover i {
    transform: rotate(360deg);
}

.detail-content h4 {
    color: var(--accent-color);
    margin-bottom: 0.3rem;
}

.detail-content p {
    color: var(--light-blue);
}

/* Footer */
.footer {
    background: linear-gradient(to right, #1a3244, #254661);
    padding: 3rem 5%;
    margin-top: 0;
    border-top: 1px solid rgba(64, 169, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        var(--accent-color),
        transparent
    );
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.footer-social {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.footer-social .social-link {
    background: rgba(64, 169, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.footer-social .social-link:hover {
    border-color: var(--accent-color);
    background: rgba(64, 169, 255, 0.3);
}

.copyright {
    color: var(--light-blue);
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Skills Section Update */
.skills-section {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    padding: 100px 5%;
    text-align: center;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 0 auto;
    max-width: 1200px;
    perspective: 1000px;
}

/* Center the last skill category (Tools & Other) */
.skills-container::after {
    content: '';
    grid-column: 1 / -1;
    height: 0;
}

.skill-category:last-child {
    grid-column: 1 / -1;
    width: 100%;
    max-width: 600px;
    margin: 2rem auto 0;
    justify-self: center;
}

.skill-category:last-child .skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.2rem;
    justify-content: center;
}

/* Ensure even spacing in the last category */
.skill-category:last-child .skill-item {
    margin: 0 auto;
    width: 100%;
    justify-content: center;
}

.skill-category {
    background: rgba(45, 123, 169, 0.1);
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.4s ease;
    border: 1px solid rgba(64, 169, 255, 0.2);
    transform-style: preserve-3d;
    transform: translateZ(0);
}

.skill-category:hover {
    transform: translateZ(20px) rotateX(5deg);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.skill-category h3 {
    color: var(--accent-color);
    font-size: 1.6rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.skill-category:hover h3::after {
    width: 100px;
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.2rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    background: rgba(64, 169, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
    transform: translateY(0);
}

.skill-item:hover {
    transform: translateY(-5px);
    background: rgba(64, 169, 255, 0.2);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.skill-item i {
    font-size: 1.4rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.skill-item:hover i {
    transform: scale(1.2) rotate(360deg);
}

.skill-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

/* Optional: hiệu ứng hover giống icon */
.skill-item:hover .skill-logo {
    transform: scale(1.2) rotate(360deg);
}

/* Projects Section Update */
.projects-section {
    padding: 100px 5%;
    text-align: center;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem auto;
    max-width: 1400px;
    padding: 0 2rem;
}

.project-card:last-child {
    grid-column: 1 / -1;
    max-width: 800px;
    margin: 0 auto;
}

.project-card {
    background: rgba(45, 123, 169, 0.05);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(64, 169, 255, 0.1);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.project-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    position: relative;
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-info {
    padding: 2rem;
    background: rgba(45, 123, 169, 0.1);
    border-radius: 0 0 15px 15px;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.project-info h3 {
    color: var(--accent-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    min-height: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-details {
    margin-bottom: 2rem;
}

.project-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: rgba(45, 123, 169, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.project-detail-item:hover {
    background: rgba(45, 123, 169, 0.1);
    transform: translateX(5px);
}

.project-detail-icon {
    color: var(--accent-color);
    font-size: 1.2rem;
    padding: 0.5rem;
    background: rgba(64, 169, 255, 0.1);
    border-radius: 50%;
    min-width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.project-detail-item:hover .project-detail-icon {
    transform: rotate(360deg);
    background: rgba(64, 169, 255, 0.2);
}

.project-detail-content {
    flex: 1;
}

.project-detail-title {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
    text-align: left;
}

.project-detail-text {
    color: var(--light-blue);
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: left;
    word-spacing: normal;
}

.project-tech {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    min-height: 2.5rem;
}

.tech-tag {
    padding: 0.4rem 1rem;
    background: rgba(64, 169, 255, 0.1);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.project-card:hover .tech-tag {
    background: rgba(64, 169, 255, 0.2);
    transform: translateY(-3px);
}

.project-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: auto;
    padding-top: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 150px;
    font-size: 0.95rem;
}

.project-link.github-link {
    background: transparent;
    border: 2px solid var(--accent-color);
}

.project-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.project-link.github-link:hover {
    background: rgba(64, 169, 255, 0.1);
    border-color: var(--white);
}

.project-link i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.project-link:hover i {
    transform: translateX(3px);
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
    z-index: -1;
}

.project-link:hover::before {
    left: 100%;
}

.github-link {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--accent-color);
}

.project-link:hover i {
    transform: translateX(3px);
}

/* Project Card Animation */
.project-card {
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 0.5s ease forwards;
}

.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.4s; }

/* Certificates Section Update */
.certificates-section {
    padding: 100px 5%;
    text-align: center;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
}

.certificates-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    perspective: 1000px;
}

.certificate-card {
    background: rgba(45, 123, 169, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid rgba(64, 169, 255, 0.2);
    display: flex;
    position: relative;
    transform-style: preserve-3d;
    transform: translateZ(0);
}

.certificate-card:hover {
    transform: translateZ(30px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.certificate-image {
    width: 350px;
    height: 250px;
    position: relative;
    overflow: hidden;
}

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

.certificate-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 75, 110, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
    transform: translateY(100%);
}

.certificate-card:hover .certificate-overlay {
    opacity: 1;
    transform: translateY(0);
}

.view-certificate {
    color: var(--white);
    text-decoration: none;
    padding: 1rem 2rem;
    border: 2px solid var(--white);
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
    transform: translateY(20px);
    opacity: 0;
}

.certificate-card:hover .view-certificate {
    transform: translateY(0);
    opacity: 1;
}

.certificate-content {
    flex: 1;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transform: translateX(0);
    transition: all 0.3s ease;
}

.certificate-card:hover .certificate-content {
    transform: translateX(-10px);
}

.certificate-meta {
    display: flex;
    gap: 2rem;
    color: var(--light-blue);
    font-size: 0.9rem;
    justify-content: center;
    align-items: center;
}

.certificate-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.certificate-meta i {
    color: var(--accent-color);
}

/* Animation Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Updates */
/* Tablet Landscape and Smaller Desktops */
@media (max-width: 1200px) {
    .home-container {
        max-width: 90%;
        padding: 0 20px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .project-card {
        max-width: 800px;
        margin: 0 auto;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .about-image-container {
        max-width: 500px;
        margin: 0 auto;
    }

    .about-buttons {
        margin-left: 0;
        justify-content: center;
    }
}

/* Tablet Portrait */
@media (max-width: 992px) {
    section {
        padding: 4rem 4%;
    }

    .navbar {
        padding: 1rem 4%;
    }

    .home-container {
        gap: 3rem;
    }

    .name, .role {
        font-size: 2.8rem;
    }

    .profile-container {
        width: 300px;
        height: 300px;
    }

    .profile-image {
        width: 260px;
        height: 260px;
    }

    .profile-glow {
        width: 280px;
        height: 280px;
    }

    .profile-glow::before,
    .profile-glow::after {
        width: 300px;
        height: 300px;
    }

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

    .certificates-container {
        padding: 0 20px;
    }

    .certificate-card {
        flex-direction: column;
    }

    .certificate-image {
        width: 100%;
        height: 200px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Large Mobile */
@media (max-width: 768px) {
    section {
        padding: 3rem 3%;
    }

    .navbar {
        padding: 1rem 3%;
        position: relative;
    }

    .nav-links {
        position: fixed;
        top: -100vh; /* Change from -100% to -100vh for smoother animation */
        left: 0;
        width: 100%;
        height: 100vh;
        padding: 80px 0;
        background: rgba(12, 34, 51, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 2rem;
        transition: 0.4s ease;
        z-index: 999;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        top: 0;
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        padding: 1rem;
        width: 100%;
        text-align: center;
        font-size: 1.2rem;
        opacity: 0;
        transform: translateY(20px);
        transition: 0.3s ease;
    }

    .nav-links.active a {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links a:hover {
        background: rgba(64, 169, 255, 0.2);
    }

    /* Add transition delays for menu items */
    .nav-links a:nth-child(1) { transition-delay: 0.1s; }
    .nav-links a:nth-child(2) { transition-delay: 0.2s; }
    .nav-links a:nth-child(3) { transition-delay: 0.3s; }
    .nav-links a:nth-child(4) { transition-delay: 0.4s; }
    .nav-links a:nth-child(5) { transition-delay: 0.5s; }
    .nav-links a:nth-child(6) { transition-delay: 0.6s; }

    .menu-btn {
        display: block;
        position: fixed;
        right: 5%;
        top: 1.5rem;
        width: 30px;
        height: 20px;
        cursor: pointer;
        z-index: 1000;
        transition: 0.3s ease;
    }

    .menu-btn span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--white);
        position: absolute;
        transition: 0.3s ease;
        border-radius: 2px;
    }

    .menu-btn span:nth-child(1) { top: 0; }
    .menu-btn span:nth-child(2) { top: 9px; width: 75%; }
    .menu-btn span:nth-child(3) { top: 18px; }

    .menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .menu-btn.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(15px);
    }

    .menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .menu-btn:hover span:nth-child(2) {
        width: 100%;
    }

    /* Ensure navbar has proper z-index and background */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(12, 34, 51, 0.95);
        backdrop-filter: blur(10px);
        z-index: 998;
        padding: 1rem 5%;
    }

    /* Adjust home section padding to account for fixed navbar */
    .home-section {
        padding-top: 80px;
    }

    .home-container {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 2rem;
    }

    .home-content {
        padding-right: 0;
    }

    .name, .role {
        font-size: 2.2rem;
    }

    .bio {
        font-size: 1rem;
        margin: 1rem auto;
    }

    .social-links {
        justify-content: center;
    }

    .profile-container {
        width: 280px;
        height: 280px;
        margin-bottom: 2rem;
    }

    .profile-image {
        width: 240px;
        height: 240px;
        margin: 20px;
    }

    .profile-glow {
        width: 260px;
        height: 260px;
    }

    .profile-glow::before,
    .profile-glow::after {
        width: 280px;
        height: 280px;
    }

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

    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .project-image {
        height: 200px;
    }

    .project-info {
        padding: 1.5rem;
    }

    .project-links {
        flex-direction: column;
        gap: 1rem;
    }

    .project-link {
        width: 100%;
    }

    .contact-form-side {
        padding: 1.5rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    section {
        padding: 2rem 2%;
    }

    .navbar {
        padding: 1rem 2%;
    }

    .logo {
        font-size: 1.5rem;
    }

    .name, .role {
        font-size: 1.8rem;
    }

    .profile-container {
        width: 240px;
        height: 240px;
    }

    .profile-image {
        width: 200px;
        height: 200px;
        margin: 20px;
    }

    .profile-glow {
        width: 220px;
        height: 220px;
    }

    .profile-glow::before,
    .profile-glow::after {
        width: 240px;
        height: 240px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        padding: 0.8rem;
    }

    .about-details {
        gap: 1rem;
    }

    .detail-item {
        padding: 0.8rem;
        gap: 1rem;
    }

    .detail-item i {
        font-size: 1.2rem;
        width: 35px;
        height: 35px;
    }

    .certificate-image {
        height: 160px;
    }

    .certificate-content {
        padding: 1.5rem;
    }

    .contact-item {
        padding: 1rem;
        gap: 1rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
    }

    .social-links {
        gap: 0.8rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
    }
}

/* Add Hamburger Menu for Mobile */
.menu-btn {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

@media (max-width: 768px) {
    .menu-btn {
        display: block;
        position: absolute;
        right: 3%;
        top: 50%;
        transform: translateY(-50%);
        width: 30px;
        height: 20px;
    }

    .menu-btn span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--white);
        position: absolute;
        transition: 0.3s ease;
    }

    .menu-btn span:nth-child(1) { top: 0; }
    .menu-btn span:nth-child(2) { top: 9px; }
    .menu-btn span:nth-child(3) { top: 18px; }

    .menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* Portrait Orientation Specific */
@media (max-height: 600px) and (orientation: landscape) {
    .home-container {
        min-height: auto;
        padding: 4rem 0;
    }

    .profile-container {
        width: 200px;
        height: 200px;
    }

    .profile-image {
        width: 180px;
        height: 180px;
        margin: 10px;
    }

    .name, .role {
        font-size: 2rem;
    }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 800px;
    }

    .project-card:last-child {
        max-width: 100%;
    }
}

/* About Buttons */
.about-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    margin-left: 13rem;
}

.about-cta,
.cv-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 180px;
    font-size: 1rem;
}

.about-cta {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}


.about-cta::before,
.cv-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.about-cta:hover::before,
.cv-download:hover::before {
    left: 100%;
}

.cv-download:hover {
    background: rgba(64, 169, 255, 0.1);
    transform: translateY(-3px);
}

.about-buttons i {
    transition: transform 0.3s ease;
}

.about-buttons a:hover i {
    transform: translateX(5px);
}

.cv-download:hover i {
    transform: translateY(-3px);
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    padding: 100px 5%;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

/* Contact Info Side */
.contact-info-side {
    padding-right: 2rem;
}

.contact-info-side h2 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    text-align: left;
    position: relative;
    display: inline-block;
}

.contact-info-side h2::before {
    content: 'Contact';
    color: transparent;
    position: absolute;
    left: 0;
    width: 85px;
    overflow: hidden;
    white-space: nowrap;
}

.contact-info-side h2::after {
    content: '';
    position: absolute;
    left: 5rem;
    bottom: -5px;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    transition: width 0.3s ease;
    border-radius: 2px;
}

.contact-info-side h2:hover::after {
    width: 65%; /* Width exactly matching "Contact" */
    box-shadow: 0 0 10px var(--accent-color);
}

.contact-info-side h2:hover {
    text-shadow: 0 0 15px rgba(64, 169, 255, 0.3);
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

.contact-subtitle {
    color: var(--light-blue);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(64, 169, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    background: rgba(64, 169, 255, 0.15);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(64, 169, 255, 0.15);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: rotate(360deg);
}

.item-info h3 {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.item-info p {
    color: var(--light-blue);
    font-size: 1rem;
}

.contact-social {
    margin-bottom: 3rem;
}

.contact-social h3 {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.cv-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cv-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Contact Form Side */
.contact-form-side {
    background: rgba(64, 169, 255, 0.1);
    border-radius: 15px;
    padding: 2.5rem;
    border: 1px solid rgba(64, 169, 255, 0.2);
}

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

.form-group label {
    display: block;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(45, 123, 169, 0.1);
    border: 1px solid rgba(64, 169, 255, 0.2);
    border-radius: 8px;
    color: var(--white);
    font-size: 1rem;
    transition: all 0.3s ease;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(45, 123, 169, 0.2);
}

.submit-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    justify-content: center;
}

.submit-button:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.submit-button i {
    transition: transform 0.3s ease;
}

.submit-button:hover i {
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-info-side {
        padding-right: 0;
        text-align: center;
    }

    .contact-info-side h2 {
        text-align: center;
    }

    .contact-item {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .contact-section {
        padding: 60px 5%;
    }

    .contact-form-side {
        padding: 2rem;
    }

    .contact-item {
        padding: 1.2rem;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .contact-form-side {
        padding: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
    }

    .submit-button {
        padding: 0.8rem 1.5rem;
    }
}

/* Success Popup */
.success-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.success-popup.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    position: relative;
    transform: translateY(-50px);
    transition: all 0.3s ease;
    border: 1px solid rgba(64, 169, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 90%;
}

.success-popup.show .popup-content {
    transform: translateY(0);
}

.popup-icon {
    width: 80px;
    height: 80px;
    background: rgba(64, 169, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 2px solid var(--accent-color);
    animation: scaleIn 0.5s ease;
}

.popup-icon i {
    font-size: 2.5rem;
    color: var(--accent-color);
    animation: fadeInUp 0.5s ease 0.2s both;
}

.popup-content h3 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.5s ease 0.3s both;
}

.popup-content p {
    color: var(--light-blue);
    font-size: 1.1rem;
    line-height: 1.6;
    animation: fadeInUp 0.5s ease 0.4s both;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

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

/* Loading Spinner */
.submit-button.loading {
    position: relative;
    color: transparent;
}

.submit-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Updates */
@media (max-width: 480px) {
    .popup-content {
        padding: 2rem;
    }

    .popup-icon {
        width: 60px;
        height: 60px;
    }

    .popup-icon i {
        font-size: 2rem;
    }

    .popup-content h3 {
        font-size: 1.3rem;
    }

    .popup-content p {
        font-size: 1rem;
    }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 800px;
    }

    .project-card:last-child {
        max-width: 100%;
    }
}

/* About Section Mobile Adjustments */
@media (max-width: 768px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0;
        width: 100%;
        overflow: hidden;
    }

    .about-image-container {
        width: 100%;
        max-width: 300px;
        height: auto;
        margin: 0 auto;
        padding: 1rem;
    }

    .about-image {
        width: 100%;
        height: 300px;
        margin: 0;
    }

    .about-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

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

    .about-text-container {
        padding: 1.5rem;
        margin: 0;
        width: 100%;
    }

    .about-subtitle {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }

    .about-description {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin: 1.5rem 0;
    }

    .stat-item {
        padding: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .about-details {
        gap: 1rem;
        margin: 1.5rem 0;
    }

    .detail-item {
        padding: 1rem;
        gap: 1rem;
    }

    .detail-item i {
        font-size: 1.2rem;
        width: 35px;
        height: 35px;
    }

    .detail-content h4 {
        font-size: 1rem;
    }

    .detail-content p {
        font-size: 0.9rem;
    }

    .about-buttons {
        margin: 1.5rem 0;
        margin-left: 0;
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .about-cta,
    .cv-download {
        min-width: auto;
        width: 100%;
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
    }
}

/* Even Smaller Screens */
@media (max-width: 480px) {
    .about-image-container {
        max-width: 250px;
    }

    .about-image {
        height: 250px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        padding: 0.8rem;
    }

    .about-subtitle {
        font-size: 1.5rem;
    }

    .about-description {
        font-size: 0.9rem;
    }

    .detail-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1rem;
    }

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

/* Fix horizontal scroll issue */
.about-section {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

@media (max-width: 768px) {
    .home-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .cta-button {
        align-self: center;
        margin-left: 0;
        margin-right: 0;
        display: inline-block;
    }
}