/* ======================================================================================== */
/* GLOBAL STYLES & VARIABLES */
/* ======================================================================================== */

* {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

:root {
    --primary-color: #0e0e0e;
    --second-color: #4285f4;
    --shadow-high: 0 0 5px #4285f4, 0 0 25px #4285f4, 0 0 50px #4285f4, 0 0 100px #4285f4, 0 0 150px #4285f4;
    --shadow-middle: 0 0 5px #4285f4, 0 0 25px #4285f4, 0 0 50px #4285f4, 0 0 100px #4285f4;
    --shadow-low: 0 0 5px #4285f4, 0 0 25px #4285f4;
    --text-color-light: #ededed;
    --text-color-dark: #081b29;
    --shadow-two: rgb(255, 255, 255);
    --border-color: rgb(0, 15, 113);
    --black: #000000;
    --gray: #2e2e2e;
    --dark-gray: #aaa;
    --copy-write: #777;
    --cert-bg: #1d1d1d;
    --selection-color: #4285f4;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

::selection {
    background-color: var(--selection-color);
    color: var(--primary-color);
}

/* ======================================================================================== */
/* SCROLLBAR */
/* ======================================================================================== */

::-webkit-scrollbar {
    height: 0;
    width: .7rem;
}

::-webkit-scrollbar-track {
    background: #2e2e2e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--second-color);
    border-radius: 10px;
}

/* ======================================================================================== */
/* NAVBAR */
/* ======================================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--primary-color);
    backdrop-filter: blur(10px);
    padding: 0 10%;
    color: var(--text-color-light);
    font-size: 20px;
    font-weight: 500;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    height: var(--navbar-height);
    transition: all 0.3s ease;
}

.navbar::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--second-color), transparent);
    opacity: 0.3;
}

.navbar .logo {
    font-size: 36px;
    font-weight: bold;
    text-decoration: none;
    color: var(--text-color-light);
    animation: slideRight 1s ease forwards;
    transition: all 0.3s ease;
    z-index: 1001;
}

.navbar .logo:hover {
    color: var(--second-color);
    text-shadow: var(--shadow-low);
    transform: scale(1.05);
}

.navbar .menu {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    align-items: center;
}

.navbar .menu li {
    margin: 0 20px;
}

.navbar .menu li a {
    text-decoration: none;
    color: var(--text-color-light);
    font-size: 20px;
    font-weight: 500;
    display: inline-block;
    transition: all .3s ease;
    opacity: 0;
    animation: slideTop .5s ease forwards;
    animation-delay: calc(.2s * var(--i));
    position: relative;
    padding: 12px 0;
}

.navbar .menu li a::before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: linear-gradient(90deg, transparent, var(--second-color), transparent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar .menu li a:hover {
    color: var(--second-color);
    text-shadow: var(--shadow-low);
    transform: translateY(-2px);
}

.navbar .menu li a:hover::before {
    width: 100%;
}

.navbar .menu li a.active {
    color: var(--second-color);
    text-shadow: var(--shadow-low);
}

.navbar .menu li a.active::before {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 28px;
    color: var(--text-color-light);
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 5px;
}

.hamburger:hover {
    color: var(--second-color);
    text-shadow: var(--shadow-low);
    transform: scale(1.1);
}

.theme-switch {
    background-color: transparent;
    position: relative;
    border: 2px solid var(--second-color);
    border-radius: 50%;
    padding: 10px;
    color: var(--second-color);
    font-size: 20px;
    height: 40px;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1001;
}

.theme-switch i {
    fill: var(--text-color-light);
}

.theme-switch i:last-child {
    display: none;
}

.blue-mode .theme-switch i:first-child {
    display: none;
}

.blue-mode .theme-switch i:last-child {
    display: block;
}

/* Navbar Responsive */
@media (min-width: 768px) and (max-width: 857px) {
    .navbar {
        max-width: 100%;
        padding: 10px 5%;
        box-sizing: border-box;
    }
    .navbar ul {
        font-size: 20px;
        padding: 0;
        margin: 0;
    }
    .navbar ul li {
        margin: 0 10px;
    }
    .navbar ul li a {
        font-size: 18px;
    }
}

@media (min-width: 1200px) {
    .navbar {
        padding: 0 12%;
    }
}

@media (max-width: 1199px) {
    :root {
        --navbar-height: 75px;
    }
    .navbar {
        padding: 0 8%;
        height: 75px;
    }
    .navbar .logo {
        font-size: 30px;
    }
    .navbar .menu li {
        margin: 0 15px;
    }
    .navbar .menu li a {
        font-size: 17px;
    }
}

@media (max-width: 991px) {
    :root {
        --navbar-height: 70px;
    }
    .navbar {
        padding: 0 5%;
        height: 70px;
    }
    .navbar .logo {
        font-size: 28px;
    }
    .navbar .menu li {
        margin: 0 12px;
    }
    .navbar .menu li a {
        font-size: 16px;
    }
    .theme-switch {
        height: 45px;
        width: 45px;
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 65px;
    }
    .navbar {
        padding: 0 20px;
        height: 65px;
        flex-wrap: nowrap;
    }
    .hamburger {
        display: block;
        order: 1;
        flex-shrink: 0;
    }
    .navbar .logo {
        text-align: center;
        font-size: 26px;
        margin: 0 15px;
    }
    .theme-switch {
        order: 3;
        height: 42px;
        width: 42px;
        font-size: 16px;
        flex-shrink: 0;
    }
    .navbar .menu {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 65px);
        background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 999;
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-color);
    }
    .navbar .menu.active {
        left: 0;
    }
    .navbar .menu li {
        margin: 25px 0;
        opacity: 0;
        transform: translateX(-50px);
        transition: all 0.4s ease;
    }
    .navbar .menu.active li {
        opacity: 1;
        transform: translateX(0);
        transition-delay: calc(0.1s * var(--i));
    }
    .navbar .menu li a {
        font-size: 24px;
        opacity: 1;
        animation: none;
        padding: 15px 40px;
        border-radius: 15px;
        transition: all 0.3s ease;
        border: 1px solid transparent;
    }
    .navbar .menu li a:hover {
        background-color: var(--second-color);
        color: var(--primary-color);
        border-color: var(--second-color);
        box-shadow: var(--shadow-middle);
        transform: scale(1.05);
    }
}

@media (max-width: 480px) {
    :root {
        --navbar-height: 60px;
    }
    .navbar {
        padding: 0 15px;
        height: 60px;
    }
    .navbar .logo {
        font-size: 22px;
        margin: 0 10px;
    }
    .hamburger {
        font-size: 24px;
    }
    .theme-switch {
        height: 38px;
        width: 38px;
        font-size: 14px;
        padding: 8px;
    }
    .navbar .menu {
        top: 60px;
        height: calc(100vh - 60px);
    }
    .navbar .menu li {
        margin: 20px 0;
    }
    .navbar .menu li a {
        font-size: 20px;
        padding: 12px 30px;
    }
}

@media (max-width: 360px) {
    .navbar .logo {
        font-size: 20px;
    }
}

/* ======================================================================================== */
/* HOME SECTION */
/* ======================================================================================== */

.home {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    gap: 20px;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 0 10%;
    background-size: cover;
    background-position: center;
    background: var(--primary-color);
    margin-top: 20px;
}

.home-content {
    max-width: 600px;
}

.home-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.img-box {
    text-align: center;
}

.home-image img {
    max-width: 100%;
    height: auto;
    border-radius: 50%;
    border: 7px solid var(--second-color) !important;
    opacity: 0;
    animation: slideLeft 1s ease forwards;
    transition: box-shadow 0.2s ease-in-out;
    margin-top: 10px;
    width: 90%;
}

.home-image img:hover {
    box-shadow: var(--shadow-low);
}

.home-content h3 {
    font-size: 32px;
    font-weight: 700;
    opacity: 0;
    animation: slideBottom 1s ease forwards;
    animation-delay: 0.7s;
}

.home-content h3:nth-of-type(2) {
    margin-bottom: 30px;
    animation: slideTop 1s ease forwards;
    animation-delay: 0.7s;
}

.home-content h3 span {
    color: var(--second-color);
}

.home-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin: -3px 0;
    opacity: 0;
    animation: slideRight 1s ease forwards;
    animation-delay: 1s;
}

.home-content p {
    font-size: 20px;
    opacity: 0;
    animation: slideLeft 1s ease forwards;
    animation-delay: 1s;
}

.home-sci {
    display: flex;
    justify-content: start;
    gap: 15px;
    opacity: 0;
    animation: slideLeft 1s ease forwards;
    animation-delay: calc(0.2s * var(--i));
}

.home-sci a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid var(--second-color);
    border-radius: 50%;
    font-size: 20px;
    color: var(--second-color);
    text-decoration: none;
    transition: .5s ease;
    opacity: 0;
    animation: slideLeft 1s ease forwards;
    animation-delay: calc(.2s * var(--i));
    margin: 30px 5px 30px 0;
}

.home-sci a:hover {
    background: var(--second-color);
    color: var(--primary-color);
    box-shadow: 0 0 20px var(--second-color);
}

.btn-box {
    display: inline-block;
    padding: 12px 28px;
    background: var(--second-color);
    border-radius: 40px;
    font-size: 16px;
    color: var(--primary-color);
    letter-spacing: 1px;
    text-decoration: none;
    font-weight: 600;
    opacity: 0;
    animation: slideTop 1s ease forwards;
    animation-delay: 2s;
    box-shadow: var(--shadow-low);
    margin-bottom: 50px;
    text-align: center;
}

.btn-box:hover {
    box-shadow: var(--shadow-middle);
}

/* Home Responsive */
@media (max-width: 768px) {
    .home {
        grid-template-columns: 1fr;
    }
    .home-content {
        padding: 0 5%;
        text-align: center;
    }
    .home-content img {
        max-width: 100%;
        margin-bottom: 20px;
    }
    .home-content h1 {
        font-size: 36px;
        justify-content: center;
    }
    .home-content p {
        font-size: 16px;
    }
    .home-image img {
        width: 60%;
    }
    .home-sci {
        justify-content: center;
    }
    .home-image {
        order: -1;
    }
}

/* ======================================================================================== */
/* ABOUT SECTION */
/* ======================================================================================== */

.about {
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
    overflow: hidden;
}

.about-card {
    background: linear-gradient(145deg, rgba(5, 9, 16, 0.9), rgba(15, 21, 28, 0.9));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 171, 240, 0.2);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--second-color), transparent);
    animation: borderMove 3s linear infinite;
}

.title-section {
    text-align: center;
}

.title-section h1 {
    font-size: 2.5rem;
    font-weight: 900;
    background: white;
    background-clip: text;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 30px rgba(0, 171, 240, 0.3);
}

.title-section h1 span {
    color: var(--second-color);
}

.profession {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.profession::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--second-color), transparent);
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    max-width: 1200px;
}

.content-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.intro-text {
    background: rgba(0, 171, 240, 0.05);
    border-left: 4px solid var(--second-color);
    padding: 1rem;
    border-radius: 0 10px 10px 0;
    position: relative;
}

.intro-text::before {
    content: '"';
    position: absolute;
    top: -8px;
    left: 15px;
    font-size: 2rem;
    color: var(--second-color);
    font-family: serif;
}

.intro-text p {
    font-size: 1rem;
    line-height: 1.6;
    font-style: italic;
    margin: 0;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.detail-card {
    background: linear-gradient(135deg, rgba(0, 171, 240, 0.1), rgba(0, 107, 179, 0.1));
    border: 1px solid rgba(0, 171, 240, 0.3);
    border-radius: 10px;
    padding: 1rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.detail-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 171, 240, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.detail-card:hover::before {
    opacity: 1;
    transform: rotate(45deg) translate(50%, 50%);
}

.detail-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 171, 240, 0.3);
}

.detail-card h3 {
    color: var(--second-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.detail-card p {
    line-height: 1.4;
    font-size: 0.8rem;
}

.cta-section {
    text-align: center;
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 171, 240, 0.2);
    margin-top: 1rem;
}

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(45deg, var(--primary-color), var(--second-color));
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s ease;
    box-shadow: 0 8px 25px rgba(0, 171, 240, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::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: all 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 171, 240, 0.6);
}

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

@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 0 1rem;
    }
    .about-card {
        padding: 1.5rem;
        gap: 1rem;
    }
    .title-section h1 {
        font-size: 2rem;
    }
    .profession {
        font-size: 0.8rem;
        letter-spacing: 1px;
    }
    .details-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    .intro-text p {
        font-size: 0.9rem;
    }
    .btn-primary {
        padding: 10px 25px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .about-card {
        padding: 1rem;
        border-radius: 15px;
    }
    .title-section h1 {
        font-size: 1.8rem;
    }
    .profession {
        font-size: 0.7rem;
    }
    .intro-text {
        padding: 0.8rem;
    }
    .intro-text p {
        font-size: 0.8rem;
    }
    .detail-card {
        padding: 0.8rem;
    }
    .detail-card h3 {
        font-size: 0.8rem;
    }
    .detail-card p {
        font-size: 0.7rem;
    }
    .btn-primary {
        padding: 8px 20px;
        font-size: 0.7rem;
    }
}

/* ======================================================================================== */
/* SKILLS SECTION */
/* ======================================================================================== */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.skill-card {
    background: rgba(20, 20, 20, 0.8);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(60, 60, 60, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(66, 133, 244, 0.2);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: rgba(66, 133, 244, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.skill-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.skill-card p {
    color: #9ca3af;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: rgba(66, 133, 244, 0.1);
    color: #4285f4;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(66, 133, 244, 0.2);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.skill-tag:hover {
    background: rgba(66, 133, 244, 0.2);
    border-color: rgba(66, 133, 244, 0.4);
    transform: translateY(-1px);
}

/* Skills Responsive */
@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
        gap: clamp(20px, 4vw, 30px);
    }
    .skill-card {
        padding: clamp(25px, 5vw, 40px);
    }
    .skill-icon {
        width: clamp(50px, 10vw, 60px);
        height: clamp(50px, 10vw, 60px);
    }
    .skill-card h3 {
        font-size: clamp(1.2rem, 3vw, 1.4rem);
    }
    .skill-card p {
        font-size: clamp(0.85rem, 2vw, 0.95rem);
    }
    .skill-tag {
        font-size: clamp(0.75rem, 1.5vw, 0.8rem);
    }
}

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

.project-filter-buttons {
    margin: 2rem 0;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(8px, 2vw, 10px);
    padding: 0 10px;
}

.project-filter-buttons .btn {
    background-color: rgba(66, 133, 244, 0.2);
    outline: none;
    border: 1px solid rgba(66, 133, 244, 0.3);
    cursor: pointer;
    font-size: clamp(0.85rem, 2vw, 1rem);
    font-weight: 600;
    letter-spacing: 0.4px;
    color: #9ca3af;
    padding: clamp(8px, 2vw, 10px) clamp(16px, 3vw, 20px);
    border-radius: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: fit-content;
}

.project-filter-buttons .btn:hover,
.project-filter-buttons .btn.active {
    background-color: #4285f4;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(66, 133, 244, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
    gap: clamp(25px, 4vw, 40px);
    justify-content: center;
}


.projects-grid:has(.project-card:not(.hide):only-of-type) {
    display: flex;
    justify-content: center;
}

.projects-grid .project-card:not(.hide):only-of-type {
    max-width: 450px;
    width: 100%;
    margin: 0;
}


.projects-grid.single-card {
    display: flex;
    justify-content: center;
}

.projects-grid.single-card .project-card {
    max-width: 450px;
    width: 100%;
    margin: 0;
}

.project-card {
    background: rgba(20, 20, 20, 0.8);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(60, 60, 60, 0.3);
    transition: all 0.4s ease;
    overflow: hidden;
    opacity: 1;
    transform: scale(1);
    width: 100%;
    max-width: 100%;
}

.project-card:hover {
    transform: translateY(-10px) scale(1);
    box-shadow: 0 25px 50px rgba(66, 133, 244, 0.3);
}

.project-card.hide {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.project-image {
    width: 100%;
    height: clamp(200px, 40vw, 280px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    padding: clamp(20px, 4vw, 30px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    gap: 10px;
}

.project-title {
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    font-weight: 600;
    color: #ffffff;
}

.project-links {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.project-link {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
}

.project-description {
    color: #9ca3af;
    font-size: clamp(0.85rem, 2vw, 0.95rem);
    margin-bottom: 20px;
    line-height: 1.5;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: rgba(66, 133, 244, 0.2);
    color: #4285f4;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: clamp(0.65rem, 1.5vw, 0.75rem);
    font-weight: 500;
    border: 1px solid rgba(66, 133, 244, 0.3);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: rgba(66, 133, 244, 0.3);
    transform: translateY(-1px);
}

/* Projects Responsive */
@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
        gap: 40px;
    }
    

    .projects-grid .project-card:not(.hide):only-of-type {
        max-width: 600px;
    }
    
    .projects-grid.single-card .project-card {
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    

    .projects-grid .project-card:not(.hide):only-of-type {
        max-width: 100%;
    }
    
    .projects-grid.single-card .project-card {
        max-width: 100%;
    }
    
    .project-filter-buttons {
        gap: 8px;
        margin: 1.5rem 0;
    }
}

@media (max-width: 480px) {
    .project-filter-buttons {
        gap: 6px;
        margin: 1rem 0;
    }
    .project-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    .project-links {
        display: flex;
        gap: 8px;
        flex-shrink: 0;
    }
    .project-title {
        flex: 1;
        min-width: 0;
    }
}

/* ======================================================================================== */
/* CERTIFICATES SECTION */
/* ======================================================================================== */

.sub-title {
    text-align: center;
    font-size: 3.5rem;
    padding-bottom: 2rem;
}

.sub-title span {
    color: var(--second-color);
}

.certificates .head-line {
    margin-top: 20px;
}

.certificates {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 80vh;
    background: var(--cert-bg);
}

.scroll1 {
    position: relative;
    display: flex;
    width: 48%;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, var(--text-color-light) 20%, var(--text-color-light) 80%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, var(--text-color-light) 20%, var(--text-color-light) 80%, transparent);
}

.scroll1 div {
    white-space: nowrap;
    animation: animatee var(--t) linear infinite;
    animation-delay: calc(var(--t) * -1);
}

.scroll1 div:nth-child(2) {
    animation: animatee2 var(--t) linear infinite;
    animation-delay: calc(var(--t) / -2);
}

.scroll1 div span {
    display: inline-flex;
    margin: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    background: var(--cert-bg);
    color: var(--text-color-light);
    padding: 5px 10px;
    border-radius: 5px;
    transition: .5s;
    font-size: 1rem;
}

.scroll1 div span:hover {
    background: var(--second-color);
    color: var(--black);
    cursor: pointer;
}

.imgbx img {
    margin-top: 50px;
    margin-bottom: 50px;
    max-width: 250px;
    scale: .8;
    filter: grayscale(1);
}

.imgbx img:hover {
    filter: grayscale(0);
    transform: scale(1.5);
    transition-duration: .5s;
    box-shadow: var(--shadow-low);
}

/* Certificates Responsive */
@media (max-width: 1020px) {
    .scroll1 {
        width: 90%;
    }
    .scroll1 div span {
        font-size: 0.8rem;
    }
    .head-line .sub-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .sub-title {
        font-size: 2rem;
        padding-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .sub-title {
        font-size: 1.8rem;
    }
}

/* ======================================================================================== */
/* CONTACT SECTION */
/* ======================================================================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section {
    margin-bottom: 120px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-header h1 span {
    color: var(--second-color);
    margin-top: 20px;
}

.section-header::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: #4285f4;
    margin: 20px auto 0;
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: #b0b0b0;
    max-width: 600px;
    margin: 30px auto 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-card {
    background: rgba(20, 20, 20, 0.8);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(60, 60, 60, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(66, 133, 244, 0.2);
}

.contact-card h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    font-weight: 600;
}

.info-item {
    display: flex;
    align-items: center;
    padding: 20px;
    margin-bottom: 20px;
    background: rgba(30, 30, 30, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(60, 60, 60, 0.4);
    transition: all 0.3s ease;
}

.info-item:hover {
    background: rgba(40, 40, 40, 0.8);
    border-color: #4285f4;
}

.info-item:last-child {
    margin-bottom: 0;
}

.icon {
    width: 24px;
    height: 24px;
    margin-right: 20px;
    color: #4285f4;
    flex-shrink: 0;
}

.info-content h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    font-weight: 500;
}

.info-content p {
    color: #b0b0b0;
    font-size: 0.95rem;
}

.contact-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn-primary {
    background: #4285f4;
    color: white;
}

.btn-primary:hover {
    background: #3367d6;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.4);
}

.btn-secondary {
    background: rgba(30, 30, 30, 0.6);
    color: white;
    border: 1px solid rgba(60, 60, 60, 0.4);
}

.btn-secondary:hover {
    background: rgba(40, 40, 40, 0.8);
    transform: translateY(-2px);
}

.social-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 40px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(60, 60, 60, 0.4);
    border-radius: 10px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    font-weight: 500;
}

.social-btn:hover {
    background: #4285f4;
    transform: translateY(-2px);
}

.social-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.full-width {
    grid-column: span 2;
}

.cta-card {
    background: linear-gradient(135deg, #1a2a4a 0%, #2a3a5a 100%);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    border: 1px solid rgba(60, 60, 60, 0.3);
    margin-top: 40px;
}

.cta-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.cta-card p {
    color: #e0e0e0;
    margin-bottom: 25px;
}

.project-icon {
    width: 24px;
    height: 24px;
    color: white;
}

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

.contact-list li {
    margin-bottom: 10px;
    display: block;
}

.contact-list i {
    display: inline-block;
    color: var(--second-color);
    font-size: 20px;
    font-weight: 600;
    transition: all .40s ease;
}

.contact-list li a:hover {
    transform: scale(1.01) translateY(-5px);
}

.contact-icons i {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid var(--second-color);
    border-radius: 50%;
    font-size: 20px;
    color: var(--second-color);
    text-decoration: none;
    transition: .5s ease;
    opacity: 0;
    animation: slideLeft 1s ease forwards;
    animation-delay: calc(.2s * var(--i));
    margin: 30px 15px 30px 0;
}

.contact-icons i:hover {
    background: var(--second-color);
    color: var(--primary-color);
    box-shadow: 0 0 20px var(--second-color);
}

.contact-form form {
    position: relative;
}

.contact-form form input,
.contact-form form textarea {
    border: none;
    outline: none;
    width: 100%;
    padding: 18px;
    background: var(--gray);
    color: var(--second-color);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: .5rem;
    border-radius: .5rem;
}

.contact-form textarea {
    resize: none;
    height: 220px;
}

.contact-form form .send {
    display: inline-block;
    padding: 12px 28px;
    background: var(--second-color);
    border-radius: 40px;
    font-size: 16px;
    color: var(--primary-color);
    letter-spacing: 1px;
    text-decoration: none;
    font-weight: 600;
    opacity: 0;
    animation: slideTop 1s ease forwards;
    animation-delay: .5s;
    box-shadow: var(--shadow-low);
    margin-top: 20px;
    margin-left: 20px;
}

.contact-form form .send:hover {
    box-shadow: var(--shadow-low);
}

::placeholder {
    color: var(--black);
    opacity: 1;
}

/* Contact Responsive */
@media (max-width: 768px) {
    .container {
        padding: 40px 16px;
    }
    .section {
        margin-bottom: 80px;
    }
    .section-header h1 {
        font-size: 2.5rem;
    }
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .contact-card {
        padding: 30px 25px;
    }
    .social-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-buttons {
        flex-direction: column;
    }
}

@media (max-width: 1024px) {
    .contact {
        padding: 20px;
        flex-direction: column;
    }
    .contact-text {
        text-align: center;
        margin-bottom: 20px;
    }
    .contact-text h2 {
        font-size: 45px;
        line-height: 1.2;
    }
    .contact-text h4 {
        font-size: 18px;
    }
    .contact-text p {
        font-size: 16px;
        line-height: 1.6;
    }
    .contact-list {
        margin-bottom: 2rem;
    }
    .contact-list li {
        margin-bottom: 10px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .contact-list i {
        color: var(--second-color);
        font-size: 20px;
        margin-right: 10px;
    }
    .contact-icons {
        text-align: center;
        margin-bottom: 20px;
    }
    .contact-icons i:hover {
        background-color: var(--second-color);
        color: var(--primary-color);
    }
    .contact-form {
        width: 100%;
        justify-content: center;
    }
    .contact-form form {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .contact-form form .send {
        margin: 10px 0px;
    }
    .contact-form form input,
    .contact-form form textarea {
        width: 90%;
        padding: 15px;
        font-size: 16px;
        margin-bottom: 15px;
    }
    .contact-form textarea {
        resize: none;
        height: 150px;
    }
}

/* ======================================================================================== */
/* EXPERIENCE & EDUCATION SECTION */
/* ======================================================================================== */

.description {
    font-size: 1.1rem;
    color: #b0bec5;
    max-width: 700px;
    margin: 2rem auto 0;
    line-height: 1.6;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    margin-top: 4rem;
}

.section-subheader {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
}

.section-icon {
    width: 28px;
    height: 28px;
    margin-right: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #ffffff;
}

.timeline {
    position: relative;
}

.experience-item,
.education-item {
    margin-bottom: 3rem;
    position: relative;
    padding-left: 2.5rem;
}

.experience-item::after,
.education-item::after {
    content: '';
    position: absolute;
    left: 9px;
    top: 2rem;
    bottom: -3rem;
    width: 2px;
    background: linear-gradient(180deg, #2196f3 0%, rgba(33, 150, 243, 0.3) 100%);
}

.experience-item::before,
.education-item::before {
    content: '';
    position: absolute;
    left: 3px;
    top: 0.5rem;
    width: 14px;
    height: 14px;
    background: #2196f3;
    border-radius: 50%;
    border: 3px solid #1a1a2e;
    z-index: 2;
}

.item-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: #ffffff;
}

.item-company {
    color: #64b5f6;
    font-size: 1rem;
    margin-bottom: 0.8rem;
}

.item-details {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
    color: #90a4ae;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.item-description {
    color: #cfd8dc;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.item-list {
    list-style: none;
    padding: 0;
}

.item-list li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.6rem;
    color: #b0bec5;
    line-height: 1.6;
}

.item-list li::before {
    content: '•';
    color: #2196f3;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.briefcase-icon::before {
    content: '💼';
}

.education-icon::before {
    content: '🎓';
}

.location-icon::before {
    content: '📍';
    font-size: 0.8rem;
}

.calendar-icon::before {
    content: '📅';
    font-size: 0.8rem;
}

/* Experience Responsive */
@media (max-width: 968px) {
    .content-grid {
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    body {
        padding: 2rem 1rem;
    }
    .description {
        font-size: 1rem;
    }
    .content-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .item-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 1.5rem 0.5rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .item-title {
        font-size: 1.1rem;
    }
    .content-grid {
        gap: 2.5rem;
    }
}

/* ======================================================================================== */
/* FOOTER */
/* ======================================================================================== */

.footer {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 20px;
    font-family: Arial, sans-serif;
    text-align: center;
    padding-bottom: 70px;
}

.footer-container {
    max-width: 800px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 1.5rem;
    color: var(--second-color);
    margin-bottom: 10px;
}

.footer-description {
    line-height: 1.6;
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-social {
    margin-bottom: 20px;
}

.social-link {
    text-decoration: none;
    color: var(--dark-gray);
    margin: 0 10px;
    font-size: 1.4rem;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--copy-write);
}

/* ======================================================================================== */
/* GO TO TOP BUTTON */
/* ======================================================================================== */

#myBtn {
    display: none;
    position: fixed;
    bottom: 70px;
    right: 30px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: var(--second-color);
    color: var(--text-color-dark);
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    font-size: 30px;
    width: 50px;
    height: 50px;
}

#myBtn:hover {
    box-shadow: var(--shadow-low);
}

/* ======================================================================================== */
/* KEYFRAMES & ANIMATIONS */
/* ======================================================================================== */

@keyframes slideRight {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }
    100% {
        transform: translateX(0px);
        opacity: 1;
    }
}

@keyframes slideLeft {
    0% {
        transform: translateX(100px);
        opacity: 0;
    }
    100% {
        transform: translateX(0px);
        opacity: 1;
    }
}

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

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

@keyframes borderMove {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes glow {
    0% {
        background: var(--black);
        box-shadow: none;
    }
    100% {
        background: var(--second-color);
        box-shadow: 0 0 5px var(--second-color);
    }
}

@keyframes animatee {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

@keyframes animatee2 {
    0% {
        transform: translateX(0%);
    }
    100% {
        transform: translateX(-200%);
    }
}

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

.timeline {
    animation: fadeInUp 0.6s ease-out;
}

.timeline:nth-child(2) {
    animation-delay: 0.2s;
}

/* ======================================================================================== */
/* ACCESSIBILITY */
/* ======================================================================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ======================================================================================== */
/* UTILITY CLASSES */
/* ======================================================================================== */

.container #contact {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}