/* ============================================================
   GOOGLE FONTS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   RESET & BASE
   ============================================================ */
/* Apply box-sizing to pseudo-elements only – never font-family,
   because icon libraries (Font Awesome, Boxicons) rely on ::before
   with their own icon font-family. Overriding it breaks all icons. */
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
}

:root {
    --bg-color: #fdfdfd;
    --text-color: #0e0d0d;
    --main-color: #068edd;
    --white-color: #fdfdfd;
    --shadow-color: rgba(0, 0, 0, .2);
    --vh: 1vh;
}

*::selection {
    background: var(--main-color);
    color: var(--bg-color);
}

html {
    font-size: 50.5%;
    overflow-x: hidden;
}

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

img {
    border-radius: 20px;
}

span {
    color: var(--main-color);
}

section {
    min-height: 100vh;
    padding: 10rem 7% 2rem;
}

/* ============================================================
   DARK MODE
   ============================================================ */
.dark-mode {
    --bg-color: #0b061f;
    --text-color: #fdfdfd;
    --shadow-color: rgba(0, 0, 0, .7);
}

.dark-mode a {
    text-decoration: none;
    color: #ffffff;
}

.dark-mode a:hover {
    color: #ffffff;
}

.dark-mode #darkMode-icon {
    color: #FFC107;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 7%;
    background: transparent;
    display: flex;
    align-items: center;
    z-index: 100;
    transition: .5s;
}

.header.sticky {
    background: var(--bg-color);
    box-shadow: 0 .1rem 1rem var(--shadow-color);
}

.logo {
    font-size: 2.5rem;
    color: var(--main-color);
    font-weight: 600;
    margin-right: auto;
}

/* Navbar */
.navbar a {
    position: relative;
    font-size: 1.7rem;
    color: var(--white-color);
    font-weight: 500;
    margin-right: 3.5rem;
}

.header.sticky .navbar a {
    color: var(--text-color);
}

.header.sticky .navbar a.active {
    color: var(--main-color);
}

.navbar a.active::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: .2rem;
    background: var(--white-color);
}

.header.sticky .navbar a::before {
    background: var(--main-color);
    opacity: .7;
}

/* Theme icon */
#darkMode-icon {
    font-size: 2.4rem;
    color: var(--white-color);
    cursor: pointer;
    transition: transform 0.3s ease, color 0.3s ease;
}

#darkMode-icon:hover {
    transform: rotate(15deg);
}

#darkMode-icon.bx-sun {
    color: #FFC107;
}

.header.sticky #darkMode-icon {
    color: var(--text-color);
    opacity: .9;
}

/* Menu icon */
#menu-icon {
    font-size: 3.6rem;
    color: var(--text-color);
    display: none;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-block;
    padding: 1.2rem 2.8rem;
    background: var(--main-color);
    border-radius: .6rem;
    box-shadow: 0 .2rem .5rem var(--shadow-color);
    font-size: 1.6rem;
    color: var(--white-color);
    letter-spacing: .1rem;
    font-weight: 600;
    border: .2rem solid transparent;
    transition: .5s ease;
}

.btn:hover {
    background: transparent;
    color: var(--main-color);
    border-color: var(--main-color);
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(6, 142, 221, 0.15);
}

/* ============================================================
   HOME SECTION
   ============================================================ */
.home {
    display: flex;
    align-items: center;
}

.home .home-content {
    max-width: 44rem;
}

.home-content h3 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: .3;
}

.home-content h1 {
    font-size: 5.6rem;
    font-weight: 700;
    margin-bottom: .3rem;
}

.home-content p {
    font-size: 1.6rem;
}

.home-content .social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background: transparent;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    box-shadow: 0 .2rem .5rem var(--shadow-color);
    font-size: 2rem;
    color: var(--main-color);
    margin: 2.5rem 1.5rem 3rem 0;
    transition: .5s ease;
}

.home-content .social-media a:hover {
    background: var(--main-color);
    color: var(--white-color);
}

/* Profession container */
.home .profession-container {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    pointer-events: none;
}

.home .profession-container .profession-box {
    position: absolute;
    top: 0;
    right: 0;
    width: 768px;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.home .profession-box .profession {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    flex-direction: column;
    color: var(--main-color);
    background: var(--bg-color);
    padding: 13px 0;
    margin-right: 450px;
}

.home .profession-box .profession:nth-child(1) i {
    margin-right: 15px;
}

.home .profession-box .profession:nth-child(2),
.home .profession-box .profession:nth-child(4) {
    padding-bottom: 20px;
}

.home .profession i {
    font-size: 3.8rem;
}

.home .profession h3 {
    font-size: 3.2rem;
    line-height: 1;
    font-weight: 600;
}

.home .profession-container .overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-top: 50vh solid var(--main-color);
    border-right: 384px solid var(--main-color);
    border-bottom: 50vh solid var(--main-color);
    border-left: 384px solid transparent;
}

.home-img img {
    position: absolute;
    bottom: 0;
    right: 40px;
    pointer-events: none;
    max-width: 480px;
    max-height: 100vh;
}

/* Language Skills Card */
.language-skills {
    position: absolute;
    right: 2rem;
    bottom: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1rem;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
    padding: 1.2rem 1.5rem;
    z-index: 10;
    min-width: 300px;
}

.language-skills h3 {
    margin-bottom: 1rem;
    font-size: 1.8rem;
    color: #222;
}

.language-bar {
    display: flex;
    align-items: center;
    gap: .8rem;
    margin-bottom: 1rem;
}

.language-bar:last-child {
    margin-bottom: 0;
}

.lang-name {
    display: inline-block;
    width: 110px;
    font-size: 1.4rem;
    color: #222;
    flex-shrink: 0;
}

.lang-track {
    flex: 1;
    height: 18px;
    background: #e0e0e0;
    border-radius: 9px;
    overflow: hidden;
}

.lang-fill {
    height: 100%;
    background: var(--main-color);
    border-radius: 9px 0 0 9px;
}

.lang-level {
    font-weight: 600;
    color: var(--main-color);
    font-size: 1.3rem;
    white-space: nowrap;
}

/* Dark mode – Language Skills */
.dark-mode .language-skills {
    background: rgba(35, 39, 47, 0.98);
    color: #f1f1f1;
}

.dark-mode .language-skills h3,
.dark-mode .lang-name {
    color: #f1f1f1;
}

.dark-mode .lang-track {
    background: #2a3b4d;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
}

.about-img img {
    width: 40vw;
}

.heading {
    font-size: 4.5rem;
    text-align: center;
}

.about-content h2 {
    text-align: left;
    line-height: 1.2;
}

.about-content h3 {
    font-size: 2rem;
}

.about-content p {
    font-size: 1.6rem;
    margin: 2rem 0 3rem;
}

/* ============================================================
   SKILLS SECTION
   ============================================================ */
.skills {
    min-height: auto;
    padding: 10rem 7% 5rem;
    background: var(--bg-color);
}

.section-title {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title h2 {
    font-size: 4.5rem;
    color: var(--text-color);
    font-weight: 700;
    line-height: 1.2;
}

.section-title .underline,
.underline {
    width: 6rem;
    height: 0.4rem;
    background: var(--main-color);
    margin: 1rem auto 0;
    border-radius: 0.2rem;
}

/* Diagram container */
.skills-diagram-classic {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
}

.diagram-level {
    margin-bottom: 3rem;
    position: relative;
}

/* Level 1 – Profile */
.level-1 {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.main-profile {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-logo {
    display: block;
    width: min(100%, 44rem);
    max-height: 14rem;
    height: auto;
    object-fit: contain;
}

.profile-box {
    background: var(--main-color);
    color: var(--white-color);
    padding: 3rem 4rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 0.5rem 1.5rem var(--shadow-color);
    position: relative;
    z-index: 10;
    transition: 0.5s ease;
}

.profile-box:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 1rem 2rem var(--shadow-color);
}

.profile-box i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
}

.profile-box h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.profile-box p {
    font-size: 1.6rem;
    opacity: 0.9;
}

/* Connectors */
.connectors {
    position: relative;
    height: 4rem;
    margin: 1rem 0;
    z-index: 1;
}

.connector-line {
    background: var(--main-color);
    position: absolute;
    border-radius: 0.2rem;
    box-shadow: 0 0.2rem 0.5rem var(--shadow-color);
    opacity: 0.8;
}

.horizontal-main {
    top: 50%;
    left: 20%;
    right: 20%;
    height: 0.3rem;
    transform: translateY(-50%);
}

.connector-branch {
    width: 0.3rem;
    height: 2.5rem;
    background: var(--main-color);
    position: absolute;
    top: 50%;
    border-radius: 0.15rem;
    box-shadow: 0 0.2rem 0.5rem var(--shadow-color);
    opacity: 0.8;
}

.level-1-to-2 .left        { left: 20%; }
.level-1-to-2 .center-left { left: 40%; }
.level-1-to-2 .center-right{ right: 40%; }
.level-1-to-2 .right       { right: 20%; }

/* Level 2 – Categories */
.level-2 {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
}

.category-box {
    background: var(--white-color);
    padding: 2rem 1.5rem;
    border-radius: 1rem;
    text-align: center;
    flex: 1;
    box-shadow: 0 0.5rem 1.5rem var(--shadow-color);
    border: 0.2rem solid transparent;
    border-top: 0.4rem solid var(--main-color);
    transition: 0.5s ease;
}

.category-box:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 1rem 2rem var(--shadow-color);
    border-color: var(--main-color);
}

.category-box i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
    color: var(--main-color);
}

.category-box h4 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

/* Connectors Level 2 → 3 */
.level-2-to-3 {
    display: flex;
    justify-content: space-between;
    height: 60px;
    margin: 1rem 0;
}

.connector-group {
    flex: 1;
    position: relative;
    margin: 0 1rem;
}

.connector-group .vertical {
    width: 3px;
    height: 30px;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background: linear-gradient(180deg, #4a5568, #718096);
    border-radius: 1.5px;
    position: absolute;
}

.connector-group .horizontal-sub {
    height: 3px;
    left: 10%;
    right: 10%;
    top: 30px;
    background: linear-gradient(90deg, transparent, #4a5568, transparent);
    border-radius: 1.5px;
    position: absolute;
}

.connector-group .sub-left        { left: 10%;  top: 30px; position: absolute; width: 3px; height: 20px; background: #4a5568; }
.connector-group .sub-center-left { left: 35%;  top: 30px; position: absolute; width: 3px; height: 20px; background: #4a5568; }
.connector-group .sub-center      { left: 50%;  top: 30px; transform: translateX(-50%); position: absolute; width: 3px; height: 20px; background: #4a5568; }
.connector-group .sub-center-right{ right: 35%; top: 30px; position: absolute; width: 3px; height: 20px; background: #4a5568; }
.connector-group .sub-right       { right: 10%; top: 30px; position: absolute; width: 3px; height: 20px; background: #4a5568; }

/* Level 3 – Skills */
.level-3 {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
}

.skills-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-box {
    background: var(--white-color);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1.5rem var(--shadow-color);
    transition: 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    min-height: 7rem;
    animation: fadeInUp 0.6s ease-out;
}

.skill-box:hover {
    transform: translateX(0.5rem);
    box-shadow: 0 1rem 2rem var(--shadow-color);
}

.skill-box i {
    font-size: 2rem;
    width: 4rem;
    text-align: center;
    color: var(--main-color);
}

.skill-box span {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1.6rem;
    text-align: center;
}

/* Level 4 – Complementary */
.level-4 {
    text-align: center;
    margin-top: 4rem;
}

.complement-section {
    background: var(--white-color);
    padding: 3rem 2rem;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1.5rem var(--shadow-color);
    border: 0.2rem solid transparent;
    transition: 0.5s ease;
}

.complement-section:hover {
    border-color: var(--main-color);
    transform: translateY(-0.5rem);
}

.complement-section h4 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.complement-skills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.complement-item {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: center;
    min-width: 14rem;
    border: 0.2rem solid transparent;
    transition: 0.5s ease;
    box-shadow: 0 0.2rem 0.5rem var(--shadow-color);
    animation: fadeInUp 0.6s ease-out;
}

.complement-item:hover {
    transform: translateY(-0.3rem);
    border-color: var(--main-color);
    box-shadow: 0 0.5rem 1rem var(--shadow-color);
}

.complement-item i {
    font-size: 2.5rem;
    color: var(--main-color);
    margin-bottom: 1rem;
    display: block;
}

.complement-item span {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1.4rem;
    display: block;
}

/* Dark mode – Skills */
.dark-mode .category-box,
.dark-mode .skill-box,
.dark-mode .complement-section,
.dark-mode .complement-item {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .category-box:hover,
.dark-mode .skill-box:hover,
.dark-mode .complement-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--main-color);
}

.dark-mode .skill-box span,
.dark-mode .category-box h4,
.dark-mode .complement-section h4,
.dark-mode .complement-item span {
    color: var(--text-color);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services {
    min-height: auto;
    padding-bottom: 10rem;
}

.services h2 {
    margin-bottom: 5rem;
}

.services .services-container {
    display: flex;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 2rem;
}

.services-container .services-box {
    flex: 1 1 30rem;
    background: var(--bg-color);
    padding: 3rem 2rem 4rem;
    border-radius: 2rem;
    box-shadow: 0 .1rem .5rem var(--shadow-color);
    text-align: center;
    border-top: .6rem solid var(--main-color);
    border-bottom: .6rem solid var(--main-color);
    transition: .5s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 360px;
}

.services-container .services-box:hover {
    box-shadow: 0 .1rem 2rem var(--shadow-color);
    background: var(--main-color);
    color: #fff;
}

.services-box i {
    font-size: 7rem;
    color: var(--main-color);
    margin-bottom: 1.2rem;
}

.services-box:hover i {
    color: #fff;
}

.services-box h3 {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 0.9rem;
    transition: .5s ease;
}

.services-box:hover h3 {
    color: #fff;
}

.services-box p {
    font-size: 1.6rem;
    margin-bottom: 0.7rem;
    line-height: 1.6;
}

.services-box:hover p {
    color: #fff;
}

/* Dark mode – Services */
.dark-mode .services-box {
    background: #23272f;
    color: #f1f1f1;
}

.dark-mode .services-box:hover {
    background: var(--main-color);
    color: #fff;
}

.dark-mode .services-box p {
    color: #f1f1f1;
}

/* ============================================================
   RECOMMENDATIONS SECTION
   ============================================================ */
.testimonial-container {
    display: flex;
    align-items: center;
    flex-direction: column;
    width: 100%;
    padding: 5rem 1rem;
}

.testimonial-container .testimonial-wrapper {
    position: relative;
    max-width: 90rem;
    width: 100%;
    padding: 5rem;
}

.testimonial-wrapper .testimonial-box {
    padding: 1rem;
    border-radius: 2rem;
    overflow: hidden;
}

.testimonial-content .testimonial-slide {
    display: flex;
    align-items: center;
    flex-direction: column;
    background: var(--bg-color);
    border-radius: 2rem;
    box-shadow: 0 .1rem .5rem var(--shadow-color);
    padding: 3rem 5rem;
    border-top: .8rem solid var(--main-color);
    border-bottom: .8rem solid var(--main-color);
}

.testimonial-slide img {
    width: 14rem;
    height: 14rem;
    object-fit: cover;
    border-radius: 50%;
    border: .5rem solid var(--bg-color);
    outline: .5rem solid var(--main-color);
}

.testimonial-slide h3 {
    font-size: 2.5rem;
    margin: 2rem 0;
}

.testimonial-slide p {
    font-size: 1.4rem;
    text-align: center;
}

.testimonial-box .swiper-button-next,
.testimonial-box .swiper-button-prev {
    color: var(--main-color);
}

.testimonial-box .swiper-button-next { right: 0; }
.testimonial-box .swiper-button-prev { left: 0; }

.testimonial-box .swiper-pagination-bullet {
    background: rgba(0, 0, 0, .8);
}

.testimonial-box .swiper-pagination-bullet-active {
    background: var(--main-color);
}

/* Testimonial navigation buttons */
.testimonial-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    width: 100%;
    padding: 0 2rem;
}

.testimonial-navigation button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 2.5rem;
    color: var(--main-color);
    transition: all 0.3s ease;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-navigation button:hover {
    background: var(--main-color);
    color: var(--white-color);
}

.testimonial-navigation button:focus {
    outline: 2px solid var(--main-color);
}

/* ============================================================
   COURSES SECTION
   ============================================================ */
.courses {
    min-height: auto;
    padding: 8rem 7% 5rem;
    background: var(--bg-color);
}

.courses .heading {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.courses-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 3rem auto 0;
}

.course-card {
    background: var(--white-color);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 171, 240, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--main-color), #00c6fb);
}

.course-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 1rem 3rem rgba(0, 171, 240, 0.2);
    border-color: var(--main-color);
}

.course-platform {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    color: #a435f0;
    font-weight: 700;
    font-size: 1.6rem;
}

.course-platform i {
    font-size: 2.4rem;
}

.course-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.course-instructor {
    font-size: 1.4rem;
    color: #666;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.course-duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.4rem;
    color: #555;
    font-weight: 500;
}

.course-duration i {
    font-size: 1.8rem;
    color: var(--main-color);
}

.course-status {
    padding: 0.5rem 1.2rem;
    border-radius: 2rem;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
}

.course-status.completed {
    background: linear-gradient(135deg, #11998e, #38ef7d);
    color: #fff;
}

.course-status.in-progress {
    background: linear-gradient(135deg, #fac44d, #f68f16);
    color: #fff;
}

.course-description {
    font-size: 1.4rem;
    color: #777;
    line-height: 1.6;
    margin-top: 1rem;
}

/* Dark mode – Courses */
.dark-mode .courses {
    background: #23272f;
}

.dark-mode .course-card {
    background: #2d3748;
    color: #f1f1f1;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 171, 240, 0.05);
}

.dark-mode .course-card:hover {
    box-shadow: 0 1rem 3rem rgba(0, 171, 240, 0.15);
}

.dark-mode .course-card h3 {
    color: #f1f1f1;
}

.dark-mode .course-instructor {
    color: #cbd5e0;
}

.dark-mode .course-duration {
    color: #e2e8f0;
}

.dark-mode .course-description {
    color: #a0aec0;
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */

/* Utility: hidden tab panel */
.projects-container.hidden { display: none; }

/* ---- Project Tabs ---- */
.projects-tabs {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    margin: 2.5rem 0 0;
    flex-wrap: wrap;
}

.projects-tab {
    background: transparent;
    border: 2px solid var(--main-color);
    color: var(--main-color);
    border-radius: 5rem;
    padding: 0.8rem 2.4rem;
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: background 0.3s, color 0.3s, transform 0.2s;
}

.projects-tab:hover,
.projects-tab.active {
    background: var(--main-color);
    color: #fff;
    transform: translateY(-2px);
}

/* ---- Extra card content ---- */
.project-desc {
    font-size: 1.2rem;
    color: #555;
    margin: 0.4rem 0 0.6rem;
    line-height: 1.5;
    flex: 1;
}

.project-card:hover .project-desc { color: #ffffffcc; }

.project-stars {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 1.2rem;
    color: #f7b731;
    font-weight: 600;
}

.starred-owner {
    display: block;
    font-size: 1.1rem;
    color: #888;
    margin-bottom: 0.4rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-card:hover .starred-owner { color: #ffffffaa; }

.empty-msg {
    text-align: center;
    font-size: 1.5rem;
    color: #888;
    padding: 4rem 0;
    width: 100%;
}

/* Dark-mode tweaks */
.dark-mode .projects-tab {
    border-color: #00abf0;
    color: #00abf0;
}

.dark-mode .projects-tab.active,
.dark-mode .projects-tab:hover {
    background: #00abf0;
    color: #fff;
}

.dark-mode .project-desc { color: #ccc; }
.dark-mode .starred-owner { color: #aaa; }

.projects {
    min-height: auto;
    padding: 8rem 7% 5rem;
    background: var(--bg-color);
}

.projects .heading {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 1rem;
}

.projects-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    justify-content: center;
    margin-top: 3rem;
}

.project-card {
    background: var(--white-color);
    border-radius: 1.2rem;
    box-shadow: 0 3px 18px rgba(0, 171, 240, 0.10);
    padding: 1.8rem 1.5rem 1.5rem;
    width: 280px;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    border: 2px solid transparent;
    transition: box-shadow 0.3s, border 0.3s, transform 0.3s, background 0.3s;
    overflow: hidden;
    animation: fadeInUp 0.7s;
}

.project-card:hover {
    border-color: var(--main-color);
    box-shadow: 0 6px 24px rgba(0, 171, 240, 0.18);
    transform: translateY(-6px) scale(1.02);
    background: linear-gradient(120deg, var(--main-color) 0%, #00c6fb 100%);
    color: #fff;
}

.project-card .project-lang {
    position: absolute;
    top: 8rem;
    right: 1.2rem;
    font-size: 1.2rem;
    font-weight: 600;
    background: rgba(6, 142, 221, 0.08);
    color: var(--main-color);
    padding: 0.2rem 0.8rem;
    border-radius: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: background 0.3s, color 0.3s;
}

.project-card:hover .project-lang {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.6rem;
    font-weight: 700;
    word-break: break-all;
}

.project-card a.repo-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    background: var(--main-color);
    color: #fff;
    border-radius: 0.6rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    box-shadow: 0 2px 6px rgba(0, 171, 240, 0.10);
    transition: background 0.3s, color 0.3s;
}

.project-card a.repo-link:hover {
    background: #fff;
    color: var(--main-color);
    border: 1px solid var(--main-color);
}

.project-card .project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 1rem;
    color: #666;
    margin-top: 0.4rem;
}

.project-card .project-meta .date {
    color: #888;
    font-size: 1.4rem;
}

.project-card.featured {
    border: 2px solid #f7b731;
    box-shadow: 0 8px 32px rgba(247, 183, 49, 0.18);
}

/* Dark mode – Projects */
.dark-mode .projects {
    background: #23272f;
}

.dark-mode .project-card {
    background: #2d3748;
    color: #f1f1f1;
    box-shadow: 0 2px 16px rgba(0, 171, 240, 0.07);
}

.dark-mode .project-card p {
    color: #ffffff;
}

.dark-mode .project-card:hover {
    background: linear-gradient(120deg, var(--main-color) 0%, #00c6fb 100%);
    color: #fff;
}

.dark-mode .project-card:hover p {
    color: #ffffff;
}

.dark-mode .project-card .project-lang {
    background: rgba(0, 171, 240, 0.13);
    color: #00abf0;
}

.dark-mode .project-card:hover .project-lang {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.dark-mode .project-card a.repo-link {
    background: #00abf0;
    color: #fff;
}

.dark-mode .project-card a.repo-link:hover {
    background: #fff;
    color: #00abf0;
}

.dark-mode .project-card .project-meta span {
    color: #e0e0e0;
}

.dark-mode .project-card h3 a {
    color: #00abf0;
}

.dark-mode .project-card:hover h3 a {
    color: #ffffff;
}

/* ============================================================
   PORTFOLIO SECTION
   ============================================================ */
.portfolio {
    min-height: auto;
    padding-bottom: 10rem;
}

.portfolio h2 {
    margin-bottom: 4rem;
}

.portfolio .portfolio-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 2.5rem;
}

.portfolio-container .portfolio-box {
    position: relative;
    display: flex;
    border-radius: 2rem;
    box-shadow: 0 0 1rem rgba(0, 0, 0, .1);
    overflow: hidden;
}

.portfolio-box img {
    width: 100%;
    transition: .5s ease;
}

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

.portfolio-box .portfolio-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, .1), var(--main-color));
    color: var(--white-color);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    opacity: 0;
    transition: .5s ease;
}

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

.portfolio-layer h4 {
    font-size: 3rem;
}

.portfolio-layer p {
    font-size: 1.6rem;
    margin: .3rem 0 1rem;
}

.portfolio-layer a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background: var(--white-color);
    border-radius: 50%;
}

.portfolio-layer a i {
    font-size: 2rem;
    color: #333;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
    min-height: auto;
    padding-bottom: 7rem;
}

.contact h2 {
    margin-bottom: 3rem;
}

.contact form {
    max-width: 70rem;
    margin: 1rem auto 3rem;
    text-align: center;
}

.contact form .input-box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .input-box input,
.contact form textarea {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background: var(--bg-color);
    border-radius: .8rem;
    margin: .7rem 0;
    box-shadow: 0 .1rem .5rem var(--shadow-color);
}

.contact form .input-box input {
    width: 49%;
}

.contact form textarea {
    resize: none;
}

.contact form .btn {
    margin-top: 2rem;
    cursor: pointer;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem 7%;
    background: var(--main-color);
}

.footer-text p {
    font-size: 1.6rem;
    color: var(--white-color);
}

.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem;
    background: var(--white-color);
    border-radius: .8rem;
    border: .2rem solid var(--main-color);
    outline: .2rem solid transparent;
    transition: .5s ease;
}

.footer-iconTop a:hover {
    outline-color: var(--white-color);
}

.footer-iconTop a i {
    font-size: 2.4rem;
    color: #0a0a0a;
}

/* ============================================================
   GOOGLE TRANSLATE PANEL
   ============================================================ */
.footer-translate {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    z-index: 150;
}

.translate-compact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    background: var(--white-color);
    color: var(--text-color);
    border-radius: 0.6rem;
    box-shadow: 0 .2rem .6rem var(--shadow-color);
    font-size: 1.4rem;
    cursor: pointer;
}

.translate-compact-btn i { font-size: 1.6rem; }

.translate-compact-btn:hover,
.translate-compact-btn:focus {
    outline: none;
    transform: translateY(-2px);
}

.gt-panel {
    position: fixed;
    right: 2rem;
    /* open above the translate button (~4rem button + 0.6rem gap) */
    bottom: 6.6rem;
    left: auto;
    max-width: calc(100vw - 4rem);
    z-index: 140;
    pointer-events: none;
}

.gt-panel .gt-dialog {
    pointer-events: auto;
    display: none;
    width: 340px;
    max-width: calc(100vw - 4rem);
    /* Never taller than the visible viewport */
    max-height: calc(100vh - 8rem);
    /* Flex column so header stays fixed and body scrolls */
    display: none;
    flex-direction: column;
    background: var(--white-color);
    color: var(--text-color);
    border-radius: .8rem;
    box-shadow: 0 .6rem 2rem rgba(0, 0, 0, 0.15);
    overflow: hidden;          /* keeps border-radius clipping */
}

.gt-panel.open .gt-dialog {
    display: flex;             /* show as flex column */
}

.gt-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    flex-shrink: 0;            /* header never squishes */
}

.gt-header h3 { font-size: 1.6rem; margin: 0; }

.gt-close {
    background: transparent;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-color);
}

.gt-body {
    padding: 1rem;
    overflow-y: auto;          /* scroll if widget content is tall */
    flex: 1;
}

/* Force Google Translate select to fill the dialog width */
.gt-widget,
#google_translate_element {
    width: 100%;
}

.gt-widget select,
#google_translate_element select,
.goog-te-combo {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 1.6rem;
    padding: .6rem;
    border-radius: .4rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-sizing: border-box;
}

.gt-actions {
    margin-top: .8rem;
    display: flex;
    justify-content: flex-end;
    gap: .6rem;
    flex-shrink: 0;
}

.gt-backdrop { display: none; }

/* ── Mobile modal mode ── */
.gt-panel.open.gt-modal {
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    display: block;
    pointer-events: none;
}

.gt-panel.open.gt-modal .gt-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 139;
    pointer-events: auto;
}

.gt-panel.open.gt-modal .gt-dialog {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 92vw;
    max-width: 480px;
    /* On very short screens ensure it never clips top/bottom */
    max-height: calc(100vh - 4rem);
    pointer-events: auto;
}

/* Dark mode – Translate */
.dark-mode .translate-compact-btn { background: #1f2937; color: #f1f1f1; }
.dark-mode .gt-dialog { background: #2b3440; color: #f1f1f1; border: 1px solid rgba(255, 255, 255, 0.04); }
.dark-mode .gt-widget select,
.dark-mode .goog-te-combo { background: #1f2937; color: #f1f1f1; border-color: rgba(255, 255, 255, 0.1); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   RESPONSIVE – BREAKPOINTS
   ============================================================ */
@media (max-width: 1200px) {
    html { font-size: 55%; }

    .home .profession-container .profession-box { right: -10%; }
    .home .profession-container .overlay { right: -6%; }
    .home-img img { right: 0; }

    .skills { padding: 8rem 5% 4rem; }
    .section-title h2 { font-size: 3.5rem; }
    .skills-diagram-classic { padding: 2rem 0; }
}

@media (max-width: 1100px) {
    .home .profession-container .profession-box { right: -15%; }
    .home-img img { max-width: 420px; }
}

@media (max-width: 1024px) {
    .header { padding: 2rem 3%; }
    section { padding: 10rem 3% 2rem; }
}

@media (max-width: 991px) {
    .home .profession-container .profession-box { right: -20%; }
    .home .profession-container .overlay { right: -12%; }
    .home-img img { max-width: 400px; }
}

@media (max-width: 991px) {
    .navbar a:nth-child(1) { color: var(--main-color); }
    .navbar a.active::before { background: var(--main-color); opacity: .7; }
    .home .home-content { max-width: 50rem; }
    .home .profession-container .profession-box { right: -35%; }
    .home .profession-container .overlay { right: -30%; }
    .home-img img { display: none; }
    .footer { padding: 2rem 3%; }

    .skills { padding: 6rem 3% 3rem; }
    .section-title h2 { font-size: 3rem; }
    .level-2, .level-3 { flex-direction: column; align-items: center; gap: 2rem; }
    .category-box, .skills-group { max-width: 40rem; width: 100%; }
    .connectors { display: none; }
}

@media (max-width: 896px) {
    .navbar a:nth-child(2) { color: var(--main-color); }
    .home .profession-container .profession-box { right: -50%; }
    .home .profession-container .overlay { right: -43%; }
}

@media (max-width: 879px) {
    .portfolio .portfolio-container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    #menu-icon { display: block; }

    #darkMode-icon {
        position: absolute;
        right: 7rem;
        font-size: 2.6rem;
        color: var(--text-color);
        margin-bottom: .1rem;
    }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 3%;
        background: var(--bg-color);
        border-top: .1rem solid rgba(0, 0, 0, .2);
        box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .1);
        display: none;
    }

    .navbar.active { display: block; }

    .navbar a {
        display: block;
        font-size: 2rem;
        margin: 3rem 0;
        color: var(--text-color);
    }

    .navbar a:nth-child(1),
    .navbar a:nth-child(2) { color: var(--text-color); }

    .navbar a.active { color: var(--main-color); }
    .navbar a::before { display: none; }

    .home {
        padding: 0 3% 23rem;
        justify-content: center;
        text-align: center;
    }

    .home-content h3 { font-size: 2.6rem; }
    .home-content h1 { font-size: 5rem; }
    .home-content .social-media a { margin: 2.5rem .75rem 3rem; }

    .home .profession-container { left: 0; width: 100%; height: 100%; }
    .home .profession-container .profession-box { position: fixed; top: 450px; left: 0; width: 100%; }

    .home .profession-box .profession {
        position: absolute;
        top: auto;
        bottom: 60px;
        left: 40%;
        transform: translateX(-50%);
        padding: 0 13px;
        margin-right: 0;
    }

    .home .profession-box .profession:nth-child(1) i { margin-right: 10px; }

    .home .profession-box .circle {
        position: fixed;
        width: 670px;
        height: 670px;
        z-index: -1;
    }

    .home .profession-container .overlay {
        position: fixed;
        top: auto;
        bottom: 0;
        right: 0;
        transform: none;
        border-top: 50vh solid var(--main-color);
        border-right: 384px solid var(--main-color);
        border-bottom: 50vh solid var(--main-color);
        border-left: 384px solid transparent;
    }

    .about { flex-direction: column-reverse; text-align: center; }
    .about-content h2 { text-align: center; }
    .about-img img { width: 70vw; margin-top: -2rem; }

    .testimonial-container .testimonial-wrapper { padding: 5rem 0; }
    .testimonial-content .testimonial-slide { padding: 3rem 2rem; }
    .testimonial-box .swiper-button-next,
    .testimonial-box .swiper-button-prev { display: none; }

    .skills-diagram-classic { padding: 1rem; }
    .connectors { display: none; }
    .level-2, .level-3 { flex-direction: column; align-items: center; }
    .complement-skills { flex-direction: column; align-items: center; }
    .section-title h2 { font-size: 2rem; }

    .courses { padding: 6rem 5% 4rem; }
    .courses .heading { font-size: 3rem; }
    .courses-container { grid-template-columns: 1fr; gap: 2rem; }
    .course-card { padding: 2rem; }
    .course-card h3 { font-size: 1.8rem; }
    .course-meta { flex-direction: column; align-items: flex-start; }

    .testimonial-navigation { padding: 0 1rem; }
    .testimonial-navigation button { font-size: 2rem; width: 40px; height: 40px; }
}

@media (max-width: 617px) {
    .section-title h2 { font-size: 2.5rem; }
    .profile-logo {
        width: min(100%, 32rem);
        max-height: 10rem;
    }
    .skill-box { padding: 1rem; min-height: 6rem; }
    .complement-skills { gap: 1rem; }
    .complement-item { min-width: 12rem; }
}

@media (max-width: 580px) {
    .portfolio .portfolio-container { grid-template-columns: 1fr; }
}

@media (max-width: 450px) {
    html { font-size: 50%; }
    #darkMode-icon { right: 6rem; }
    .contact form .input-box input { width: 100%; }
    .footer { flex-direction: column-reverse; }
    .footer p { text-align: center; margin-top: 2rem; }
}

@media (max-width: 365px) {
    .about-img img { width: 90vw; }
}

@media (max-width: 315px) {
    .home-content h1 { font-size: 4.5rem; }
}

@media (max-width: 900px) {
    .projects-container { gap: 1.2rem; }
    .project-card { width: 90vw; max-width: 320px; }
}