html, body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

@font-face {
    font-family: 'concentral';
    src: url('../fonts/concentral-black.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'metropolis';
    src: url('../fonts/metropolis-light.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

.top-image {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.top-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-position: 50% 0%;
    object-fit: cover; 
}

.overlay-text {
    font-family: 'concentral', sans-serif;
    position: absolute;
    top: 72%;
    left: 10%;
    color: white;
    font-size: clamp(24px, 6vw, 72px);
    pointer-events: none;
    white-space: nowrap;
    transition: all 0.3s ease-in-out;
}

.overlay-text::after {
    display: none;
    content: attr(data-text);
    position: absolute;
    top: 62%;
    left: 0;
    color: rgba(255, 255, 255, 0.35);
    transform: scaleY(-1);
    opacity: 0.85;
    filter: blur(3px);
    pointer-events: none;
    
}

.text-section {
    background-color: #ffffff;
    padding: 3vh 15%;
    text-align: justify;
    font-family: 'metropolis', sans-serif;
    font-size: clamp(16px, 2vw, 22px);
    line-height: 1.6;
    color: #101F2D;
}


@media (min-width: 1640px) and (max-width: 1800px) {
    .overlay-text::after {
        display: block;
    }
}

@media (max-width: 1200px) {
    .overlay-text {
        top: 5%;
        left: 5%;
        font-size: clamp(20px, 20vw, 72px);
        white-space: normal;
        max-width: 90vw;
    }
}

@media (max-width: 950px) {
    .overlay-text {
        white-space: normal;
        max-width: 60vw;
        line-height: 1.1;
    }
}

.about-section {
    background-color: #4475CE;
    padding: 9vh 15%;
    display: flex;
    align-items: center;
    min-height: 300px;
}

.about-content {
    display: flex;
    align-items: flex-start;
    gap: 60px;
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
}

/* When text is taller than image, stack vertically and center */
@media (max-width: 1200px) {
    .about-content {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .about-text {
        justify-content: flex-start;
        gap: 15px;
        text-align: left;
        width: 100%;
    }
}

.logo-container {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    padding-top: 1vh;
}

.logo {
    width: 320px;
    height: 320px;
    object-fit: cover;
}

.about-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

.about-title {
    font-family: 'concentral', sans-serif;
    font-size: 36px;
    color: white;
    margin: 0;
    font-weight: normal;
    padding-top: 0.3vh;
}

.about-description {
    font-family: 'metropolis', sans-serif;
    font-size: clamp(16px, 2vw, 22px);
    line-height: 1.6;
    color: white;
    margin: 0;
    text-align: justify;
}

@media (max-width: 768px) {
    .about-section {
        padding: 4vh 15%;
    }
    
    .about-content {
        flex-direction: column;
        gap: 30px;
        align-items: center;
        padding: 3vh 0;
    }
    
    .about-text {
        text-align: left;
        width: 100%;
    }
    
    .logo {
        width: 320px;
        height: 320px;
    }
    
    .about-title {
        font-size: 28px;
    }
    
    .about-description {
        font-size: clamp(16px, 2vw, 22px);
    }
}

/* Small mobile screens - adaptive picture size */
@media (max-width: 575px) {
    .text-section {
        font-size: clamp(14px, 3.5vw, 18px);
        line-height: 1.6;
    }

    .about-section {
        padding: 3vh 15%;
        min-height: auto;
    }
    
    .about-content {
        gap: 25px;
    }
    
    .logo {
        width: clamp(200px, 60vw, 280px);
        height: clamp(200px, 60vw, 280px);
    }
    
    .about-title {
        font-size: clamp(24px, 6vw, 28px);
    }
    
    .about-description {
        font-size: clamp(14px, 3.5vw, 18px);
        line-height: 1.6;
    }
}

/* Extra small screens - minimum 320px */
@media (max-width: 400px) {
    .text-section {
        font-size: clamp(13px, 3vw, 16px);
        line-height: 1.6;
    }

    .about-section {
        padding: 3vh 15%;
    }
    
    .logo {
        width: clamp(180px, 50vw, 220px);
        height: clamp(180px, 50vw, 220px);
    }
    
    .about-title {
        font-size: clamp(20px, 5vw, 24px);
    }
    
    .about-description {
        font-size: clamp(13px, 3vw, 16px);
        line-height: 1.6;
    }
}

.skills-section {
    background-color: #ffffff;
    padding: 3vh 7.5%;
    margin-top: 6vh;
    display: flex;
    align-items: center;
    min-height: 200px;
}

.skills-block {
    background-color: #D0E0E0;
    width: 100%;
    padding: 3vh 4% 10vh 4%;
    margin: 2vh 0;
}

.skills-title {
    font-family: 'concentral', sans-serif;
    font-size: 36px;
    color: #101F2D;
    padding: 1vh 5% 0.3vh 5%;
    font-weight: normal;
    text-align: left;
    margin-bottom: 3vh;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 2vh 1vw;
    align-items: center;
    justify-items: center;
    max-width: 90%;
    margin: 5vh 8% auto 8%;
}

.skill-logo {
    width: clamp(55px, 8vw, 110px);
    height: clamp(55px, 8vw, 110px);
    object-fit: contain;
    filter: grayscale(80%);
    transition: filter 0.3s ease;
}

.skill-logo:hover {
    filter: grayscale(0%);
}

@media (max-width: 768px) {
    .skills-section {
        padding: 3vh 7.5%;
        margin-top: 5vh;
    }
    
    .skills-block {
        padding: 3vh 4% 10vh 4%;
        margin: 2vh 0;
    }
    
    .skills-title {
        font-size: 28px;
        margin-bottom: 2vh;
    }
    
    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 3vh 2vw;
        margin: 0 auto;
        max-width: 80%;
        margin-top: 5vh;
    }
}

@media (max-width: 575px) {
    .skills-section {
        font-size: clamp(14px, 3.5vw, 18px);
        line-height: 1.6;
        padding: 3vh 7.5%;
        margin-top: 4vh;
    }
    
    .skills-block {
        padding: 3vh 4% 10vh 4%;
        margin: 2vh 0;
    }
    
    .skills-title {
        font-size: clamp(24px, 6vw, 28px);
        margin-bottom: 2vh;
    }
    
    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 3vh 2vw;
        margin: 0 auto;
        max-width: 80%;
        margin-top: 5vh;
    }
    
    .skill-logo {
        width: clamp(60px, 7vw, 85px);
        height: clamp(60px, 7vw, 85px);
    }
}

@media (max-width: 400px) {
    .skills-section {
        font-size: clamp(13px, 3vw, 16px);
        line-height: 1.6;
        padding: 3vh 7.5%;
        margin-top: 3vh;
    }
    
    .skills-block {
        padding: 2vh 4% 6vh 4%;
        margin: 1vh 0;
    }
    
    .skills-title {
        font-size: clamp(20px, 5vw, 24px);
        margin-bottom: 2vh;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3vh 2vw;
        margin: 0 auto;
        max-width: 80%;
        margin-top: 5vh;
        padding-bottom: 1vh;
    }
    
    .skill-logo {
        width: clamp(70px, 8vw, 100px);
        height: clamp(70px, 8vw, 100px);
    }
}

.certificates-section {
    background-color: #ffffff;
    padding: 3vh 7.5%;
    margin-top: 0;
    display: flex;
    align-items: center;
    min-height: 200px;
}

.certificates-block {
    background-color: #4475CE;
    width: 100%;
    padding: 3vh 4% 10vh 4%;
    margin: 2vh 0;
}

.certificates-title {
    font-family: 'concentral', sans-serif;
    font-size: 36px;
    color: #ffffff;
    padding: 1vh 5% 0.3vh 5%;
    font-weight: normal;
    text-align: left;
    margin-bottom: 3vh;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4vh 3vw;
    align-items: stretch;
    justify-items: center;
    max-width: 90%;
    margin: 5vh 8% auto 8%;
}

.certificate-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.certificate-title {
    font-family: 'metropolis', sans-serif;
    font-size: clamp(14px, 2.5vw, 24px);
    color: #ffffff;
    margin: 0 0 2vh 0;
    font-weight: normal;
    line-height: 1.4;
    min-height: 3.5em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.certificate-image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .certificates-section {
        padding: 3vh 7.5%;
        margin-top: 0;
    }
    
    .certificates-block {
        padding: 3vh 4% 10vh 4%;
        margin: 2vh 0;
    }
    
    .certificates-title {
        font-size: 28px;
        margin-bottom: 2vh;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 3vh 2vw;
        margin: 0 auto;
        max-width: 80%;
        margin-top: 5vh;
    }
}

@media (max-width: 575px) {
    .certificates-section {
        font-size: clamp(14px, 3.5vw, 18px);
        line-height: 1.6;
        padding: 3vh 7.5%;
        margin-top: 0;
    }
    
    .certificates-block {
        padding: 3vh 4% 10vh 4%;
        margin: 2vh 0;
    }
    
    .certificates-title {
        font-size: clamp(24px, 6vw, 28px);
        margin-bottom: 2vh;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 3vh 2vw;
        margin: 0 auto;
        max-width: 80%;
        margin-top: 5vh;
    }
}

@media (max-width: 400px) {
    .certificates-section {
        font-size: clamp(13px, 3vw, 16px);
        line-height: 1.6;
        padding: 3vh 7.5%;
        margin-top: 0;
    }
    
    .certificates-block {
        padding: 2vh 4% 8vh 4%;
        margin: 1vh 0;
    }
    
    .certificates-title {
        font-size: clamp(20px, 5vw, 24px);
        margin-bottom: 2vh;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 3vh 2vw;
        margin: 0 auto;
        max-width: 80%;
        margin-top: 5vh;
        padding-bottom: 1vh;
    }
}

/* Experience Section */
.experience-section {
    background-color: #ffffff;
    padding: 0vh 7.5%;
    margin-top: 0;
    display: flex;
    align-items: center;
    min-height: 200px;
}

.experience-block {
    background-color: #ffffff;
    width: 100%;
    padding: 0vh 4% 0vh 4%;
    margin: 2vh 0;
}

.experience-title {
    font-family: 'concentral', sans-serif;
    font-size: 36px;
    color: #000000;
    padding: 1vh 5% 0.3vh 5%;
    font-weight: normal;
    text-align: left;
    margin-bottom: 3vh;
}

.experience-content {
    max-width: 90%;
    margin: 5vh 8% auto 5%;
}

.experience-item {
    display: flex;
    margin-bottom: 6vh;
    align-items: flex-start;
}

.experience-period {
    font-family: 'metropolis', sans-serif;
    font-size: clamp(16px, 2.2vw, 20px);
    color: #737373;
    font-weight: normal;
    min-width: 200px;
    margin-right: 3vw;
    line-height: 1.4;
    padding-top: 0.1em;
    text-align: left;
}

.experience-details {
    flex: 1;
}

.experience-job-title {
    font-family: 'metropolis', sans-serif;
    font-size: clamp(13px, 2.4vw, 22px);
    color: #000000;
    margin: 0 0 0.5vh 0;
    font-weight: bold;
    line-height: 1.4;
}

.experience-company {
    font-family: 'metropolis', sans-serif;
    font-size: clamp(12px, 2vw, 18px);
    color: #737373;
    margin: 0 0 2vh 0;
    font-weight: normal;
    line-height: 1.4;
}

.experience-bullets {
    font-family: 'metropolis', sans-serif;
    font-size: clamp(14px, 2vw, 18px);
    color: #000000;
    margin: 0;
    padding-left: 1.5em;
    line-height: 1.6;
    text-align: justify;
}

.experience-bullets li {
    margin-bottom: 1vh;
}

/* Responsive adjustments for experience section */
@media (max-width: 768px) {
    .experience-section {
        padding: 3vh 7.5%;
        margin-top: 0;
    }
    
    .experience-block {
        padding: 3vh 4% 0vh 4%;
        margin: 2vh 0;
    }
    
    .experience-title {
        font-size: 28px;
        margin-bottom: 0vh;
        padding-left: 0;
    }
    
    .experience-content {
        margin: 0;
        max-width: 100%;
        margin-top: 5vh;
    }
    
    .experience-item {
        flex-direction: column;
        margin-bottom: 4vh;
    }
    
    .experience-period {
        min-width: auto;
        margin-right: 0;
        margin-bottom: 1vh;
        font-weight: bold;
        text-align: left;
    }
}

@media (max-width: 575px) {
    .experience-section {
        padding: 3vh 7.5%;
        margin-top: 0;
    }
    
    .experience-block {
        padding: 3vh 4% 0vh 4%;
        margin: 2vh 0;
    }
    
    .experience-title {
        font-size: clamp(24px, 6vw, 28px);
        margin-bottom: 2vh;
        padding-left: 0;
    }
    
    .experience-content {
        margin: 0;
        max-width: 100%;
        margin-top: 5vh;
    }
    
    .experience-item {
        flex-direction: column;
        margin-bottom: 4vh;
    }
    
    .experience-period {
        min-width: auto;
        margin-right: 0;
        margin-bottom: 1vh;
        font-weight: bold;
        text-align: left;
        font-size: clamp(13px, 2.5vw, 18px);
    }
}

@media (max-width: 400px) {
    .experience-section {
        padding: 0vh 7.5%;
        margin-top: 0;
    }
    
    .experience-block {
        padding: 0vh 4% 4vh 4%;
        margin: 1vh 0;
    }
    
    .experience-title {
        font-size: clamp(20px, 5vw, 24px);
        margin-bottom: 2vh;
        padding-left: 0;
        padding-bottom: 0;
    }
    
    .experience-content {
        margin: 0;
        max-width: 100%;
        margin-top: 3vh;
    }
    
    .experience-item {
        flex-direction: column;
        margin-bottom: 4vh;
    }
    
    .experience-period {
        min-width: auto;
        margin-right: 0;
        margin-bottom: 1vh;
        font-size: clamp(12px, 2.5vw, 18px);
        font-weight: bold;
        text-align: left;
    }
}
/* CONTACT Section */
.contact-section {
    background-color: #ffffff;
    padding: 3vh 7.5%;
    margin-top: 0;
}

.contact-block {
    background-color: #D0E0E0;
    padding: 3vh 4% 10vh 4%;
    margin: 1vh 0;
    position: relative;
}

.contact-title {
    font-family: 'concentral', sans-serif;
    font-size: 36px;
    color: #000000;
    padding: 1vh 5% 0.3vh 5%;
    font-weight: normal;
    text-align: left;
    margin-bottom: 3vh;
}

.message-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.message-modal {
    font-family: 'metropolis', sans-serif;
    font-size: clamp(18px, 2.5vw, 24px);
    text-align: center;
    color: #ffffff;
    animation: modalAppear 0.3s ease-out;
    font-weight: bold;
    max-width: 80%;
    line-height: 1.4;
    word-wrap: break-word;
    white-space: normal;
}

.message-modal-success {
    color: #ffffff;
}

.message-modal-error {
    color: #dc3545;
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.contact-form {
    max-width: 90%;
    margin: 5vh 8% auto 5%;
}

.form-row {
    display: flex;
    gap: 2vw;
    margin-bottom: 5vh;
}

.form-group {
    position: relative;
    flex: 1;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1vh 0;
    border: none;
    border-bottom: 2px solid #737373;
    background: transparent;
    font-family: 'metropolis', sans-serif;
    font-size: clamp(14px, 2vw, 20px);
    color: #737373;
    font-weight: bold;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: #000000;
}

.form-group label {
    position: absolute;
    top: 1vh;
    left: 0;
    font-family: 'metropolis', sans-serif;
    font-size: clamp(14px, 2vw, 20px);
    color: #737373;
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -2vh;
    font-size: clamp(14px, 1.8vw, 18px);
    color: #737373;
}

.message-group {
    margin-bottom: 3vh;
}

.message-group textarea {
    min-height: 120px;
    resize: vertical;
}

.char-count {
    text-align: right;
    font-family: 'metropolis', sans-serif;
    font-size: clamp(12px, 1.5vw, 16px);
    color: #737373;
    margin-top: 0.5vh;
}

.send-button {
    background-color: #D0E0E0;
    color: #737373;
    border: 2px solid #737373;
    padding: 1.5vh 0;
    font-family: 'metropolis', sans-serif;
    font-size: clamp(16px, 2vw, 20px);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
    width: 100%;
}

.send-button:hover {
    background-color: #737373;
    color: #D0E0E0;
}

/* Responsive design for CONTACT section */
@media (max-width: 768px) {
    .contact-section {
        padding: 3vh 7.5%;
        margin-top: 0;
    }
    
    .contact-block {
        padding: 3vh 4% 10vh 4%;
        margin: 2vh 0;
    }
    
    .contact-title {
        font-size: 28px;
        margin-bottom: 2vh;
    }
    
    .contact-form {
        margin: 0 auto;
        max-width: 90%;
        margin-top: 5vh;
    }
    
    .form-row {
        flex-direction: column;
        gap: 4vh;
        margin-bottom: 4vh;
    }
    
    .message-group {
        margin-top: 0;
    }
}

@media (max-width: 575px) {
    .contact-section {
        padding: 2vh 7.5%;
        margin-top: 0;
    }
    
    .contact-block {
        padding: 3vh 4% 10vh 4%;
        margin: 1vh 0;
    }
    
    .contact-title {
        font-size: clamp(24px, 6vw, 28px);
        margin-bottom: 2vh;
    }
    
    .contact-form {
        margin: 0 auto;
        max-width: 90%;
        margin-top: 5vh;
    }
}

@media (max-width: 400px) {
    .contact-section {
        padding: 3vh 7.5%;
        margin-top: 0;
    }
    
    .contact-block {
        padding: 2vh 4% 8vh 4%;
        margin: 1vh 0;
    }
    
    .contact-title {
        font-size: clamp(20px, 5vw, 24px);
        margin-bottom: 2vh;
    }
    
    .contact-form {
        margin: 0 auto;
        max-width: 90%;
        margin-top: 5vh;
        padding-bottom: 1vh;
    }
}

/* Footer Section */
.footer-section {
    background-color: #101F2D;
    padding: 2vh 7.5%;
    margin-top: 0;
}

.footer-block {
    background-color: #101F2D;
    padding: 2vh 0 2vh 4%;
    margin: 1vh 0;
    text-align: right;
}

.footer-links {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1.5vh;
    margin: 2vh 0 auto 5%;
}

.footer-link {
    color: white;
    text-decoration: none;
    font-family: 'metropolis', sans-serif;
    font-size: clamp(16px, 2vw, 20px);
    font-weight: regular;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 0.7;
}

@media (max-width: 768px) {
    .footer-section {
        padding: 2vh 4%;
    }
    
    .footer-block {
        padding: 2vh 0 2vh 4%;
    }
    
    .footer-links {
        margin: 0 auto;
        max-width: 92%;
        align-items: flex-end;
    }
}

@media (max-width: 575px) {
    .footer-section {
        padding: 2vh 7.5%;
    }
    
    .footer-block {
        padding: 2vh 0 2vh 4%;
    }
    
    
    .footer-links {
        max-width: 99%;
        gap: 1.5vh;
    }
}

@media (max-width: 400px) {
    .footer-section {
        padding: 2vh 7.5%;
    }
    
    .footer-block {
        padding: 1.5vh 0 1.5vh 4%;
    }
    
    .footer-links {
        gap: 1vh;
    }
}