/* =========================
   GOOGLE FONT
========================= */

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


/* =========================
   RESET
========================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.12), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.14), transparent 30%),
        linear-gradient(135deg, #06131f, #0f172a, #111827);

    color: white;
    overflow-x: hidden;
}


/* =========================
   ANIMATED BACKGROUND
========================= */

body::before {
    content: "";
    position: fixed;
    top: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: #38bdf8;
    border-radius: 50%;
    filter: blur(180px);
    opacity: .18;
    animation: move1 10s infinite alternate;
    z-index: -2;
}

body::after {
    content: "";
    position: fixed;
    bottom: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: #7c3aed;
    border-radius: 50%;
    filter: blur(180px);
    opacity: .15;
    animation: move2 10s infinite alternate;
    z-index: -2;
}

@keyframes move1 {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(120px, 90px);
    }
}

@keyframes move2 {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(-120px, -80px);
    }
}


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

header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    padding: 20px 8%;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    color: #38bdf8;
    font-weight: 700;
    cursor: pointer;
    transition: .4s;
}

.logo:hover {
    color: white;
    transform: scale(1.08);
    text-shadow: 0 0 20px #38bdf8;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    position: relative;
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: .3s;
}

nav ul li a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: #38bdf8;
    transition: .3s;
}

nav ul li a:hover::after {
    width: 100%;
}

nav ul li a:hover {
    color: #38bdf8;
}

nav ul li a.active {
    color: #38bdf8;
    border-bottom: 2px solid #38bdf8;
    padding-bottom: 5px;
}


/* =========================
   HERO SECTION
========================= */

.hero {
    min-height: 100vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 160px 8% 100px;
    gap: 80px;
}

.hero-content {
    flex: 1;
    animation: slideLeft 1.2s ease;
}

.hero-content h3 {
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-content h1 {
    font-size: 110px;
    font-weight: 800;
    line-height: 1;
    color: #38bdf8;
    margin-bottom: 20px;

    text-shadow:
        0 0 15px rgba(56, 189, 248, .5),
        0 0 35px rgba(56, 189, 248, .25);

    animation: nameGlow 3s ease-in-out infinite;
}

@keyframes nameGlow {

    0%,
    100% {
        text-shadow:
            0 0 15px rgba(56, 189, 248, .5),
            0 0 35px rgba(56, 189, 248, .25);
    }

    50% {
        text-shadow:
            0 0 25px rgba(56, 189, 248, .9),
            0 0 60px rgba(56, 189, 248, .45);
    }
}

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 30px;
}

#typing {
    color: #38bdf8;
    font-weight: bold;
}

.hero-content p {
    font-size: 22px;
    color: #cbd5e1;
    line-height: 1.8;
    max-width: 650px;
}


/* =========================
   BUTTONS
========================= */

.hero-buttons {
    margin-top: 40px;
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 34px;
    background: #38bdf8;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;

    transition:
        transform .2s ease,
        box-shadow .3s ease,
        background .3s ease;

    box-shadow: 0 0 0 rgba(56, 189, 248, 0);
}

.btn:hover {
    transform: translateY(-5px) scale(1.03);

    box-shadow:
        0 0 20px #38bdf8,
        0 0 40px rgba(56, 189, 248, .35);
}

.btn-outline {
    background: transparent;
    border: 2px solid #38bdf8;
}


/* =========================
   FUTURISTIC HERO IMAGE
========================= */

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideRight 1.2s ease;
}

.image-circle {
    position: relative;

    width: min(560px, 42vw);
    height: min(420px, 32vw);

    min-width: 360px;
    min-height: 280px;

    padding: 5px;
    border-radius: 28px;

    background:
        linear-gradient(
            135deg,
            #38bdf8,
            #7c3aed,
            #06b6d4,
            #38bdf8
        );

    background-size: 300% 300%;

    animation:
        gradientMove 6s ease infinite,
        floatFrame 5s ease-in-out infinite;

    box-shadow:
        0 0 25px rgba(56, 189, 248, .35),
        0 0 70px rgba(124, 58, 237, .2);

    transition: transform .2s ease-out;
}

.image-circle::before {
    content: "";
    position: absolute;
    inset: -18px;
    border-radius: 35px;
    border: 1px solid rgba(56, 189, 248, .25);
    animation: pulseFrame 3s ease-in-out infinite;
    pointer-events: none;
}

.image-circle::after {
    content: "";
    position: absolute;
    inset: 5px;
    border-radius: 23px;
    background: #071827;
    z-index: 0;
}

.image-circle img {
    position: relative;
    z-index: 2;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 23px;
    object-fit: cover;
    object-position: center;
}

@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes floatFrame {

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

    50% {
        transform: translateY(-14px) rotate(.5deg);
    }
}

@keyframes pulseFrame {

    0%,
    100% {
        opacity: .3;
        transform: scale(1);
    }

    50% {
        opacity: .8;
        transform: scale(1.03);
    }
}


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

.about {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
    padding: 100px 8%;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.about-image img {
    width: 320px;
    height: 320px;
    border-radius: 20px;
    object-fit: cover;
    border: 4px solid #38bdf8;
    box-shadow: 0 0 30px rgba(56, 189, 248, .35);
    transition: .4s;
}

.about-image img:hover {
    transform: scale(1.05) rotate(2deg);
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 42px;
    color: #38bdf8;
    margin-bottom: 20px;
}

.about-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    color: #cbd5e1;
}


/* =========================
   SECTION TITLE
========================= */

.section-title {
    font-size: 42px;
    color: #38bdf8;
    margin-bottom: 50px;
}


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

.skills {
    padding: 100px 8%;
    text-align: center;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.skill-card {
    position: relative;
    overflow: hidden;

    background:
        linear-gradient(
            145deg,
            rgba(30, 41, 59, .95),
            rgba(15, 23, 42, .95)
        );

    padding: 30px;
    border-radius: 15px;
    transition: .4s;
    cursor: pointer;
    border: 1px solid rgba(56, 189, 248, .08);
}

.skill-card:hover {
    transform: translateY(-10px) scale(1.03);

    box-shadow:
        0 10px 20px rgba(56, 189, 248, .4),
        0 0 30px rgba(56, 189, 248, .15);
}

.skill-card h3 {
    color: #38bdf8;
    margin-bottom: 15px;
}

.skill-card p {
    color: #cbd5e1;
    line-height: 1.6;
}


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

.projects {
    padding: 100px 8%;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    position: relative;
    overflow: hidden;

    background:
        linear-gradient(
            145deg,
            #1e293b,
            #0f172a
        );

    border-radius: 15px;
    transition: .4s;
    border: 1px solid rgba(56, 189, 248, .08);
}

.project-card:hover {
    transform: translateY(-10px);

    box-shadow:
        0 10px 25px rgba(56, 189, 248, .4),
        0 0 30px rgba(124, 58, 237, .15);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: .4s;
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-content {
    padding: 20px;
}

.project-content h3 {
    color: #38bdf8;
    margin-bottom: 15px;
}

.project-content p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}


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

.contact {
    padding: 100px 8%;
}

.contact-container {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 30px;
    color: #38bdf8;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 15px;
    color: #cbd5e1;
    font-size: 18px;
}

.contact-form {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form textarea {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid rgba(56, 189, 248, .15);
    border-radius: 8px;
    background: #1e293b;
    color: white;
    font-size: 16px;
    transition: .3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #38bdf8;
    box-shadow: 0 0 15px rgba(56, 189, 248, .2);
}


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

footer {
    background: #111827;
    text-align: center;
    padding: 25px;
}

footer p {
    color: #cbd5e1;
    font-size: 16px;
}


/* =========================
   SOCIAL ICONS
========================= */

.social-icons {
    margin-top: 30px;
}

.social-icons a {
    display: inline-flex;
    justify-content: center;
    align-items: center;

    width: 45px;
    height: 45px;

    margin-right: 15px;

    background: #1e293b;
    color: #38bdf8;
    border-radius: 50%;
    text-decoration: none;
    transition: .3s;
    font-size: 20px;
}

.social-icons a:hover {
    background: #38bdf8;
    color: white;
    transform: translateY(-5px) rotate(8deg);
    box-shadow: 0 0 20px #38bdf8;
}


/* =========================
   TOP BUTTON
========================= */

#topBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;

    width: 50px;
    height: 50px;

    border: none;
    border-radius: 50%;

    background: #38bdf8;
    color: white;

    font-size: 22px;
    cursor: pointer;
    display: none;
    transition: .3s;
    z-index: 999;
}

#topBtn:hover {
    background: #0ea5e9;
    transform: scale(1.1);
}


/* =========================
   THEME TOGGLE
========================= */

#theme-toggle {
    background: #38bdf8;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    transition: .3s;
}

#theme-toggle:hover {
    background: #0ea5e9;
    transform: rotate(15deg);
}


/* =========================
   LIGHT MODE
========================= */

body.light-mode {
    background: #f8fafc;
    color: #111827;
}

body.light-mode header,
body.light-mode footer {
    background: #e2e8f0;
}

body.light-mode .project-card,
body.light-mode .skill-card,
body.light-mode .contact-form input,
body.light-mode .contact-form textarea {
    background: white;
    color: #111827;
}

body.light-mode p {
    color: #374151;
}


/* =========================
   PRELOADER
========================= */

#preloader {
    position: fixed;
    inset: 0;
    background: #0f172a;

    display: flex;
    justify-content: center;
    align-items: center;

    z-index: 9999;
}

.loader {
    width: 60px;
    height: 60px;

    border: 6px solid #334155;
    border-top: 6px solid #38bdf8;

    border-radius: 50%;

    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}


/* =========================
   HERO ANIMATIONS
========================= */

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}


/* =========================
   CURSOR GLOW
========================= */

.cursor-glow {
    position: fixed;

    width: 30px;
    height: 30px;

    border-radius: 50%;

    background: #38bdf8;

    pointer-events: none;

    transform: translate(-50%, -50%);

    filter: blur(18px);

    opacity: .6;

    z-index: 9999;

    transition: transform .05s linear;
}


/* =========================
   FLOATING PARTICLES
========================= */

.particles {
    position: fixed;
    inset: 0;

    pointer-events: none;
    overflow: hidden;

    z-index: -1;
}

.particle {
    position: absolute;
    display: block;

    background: #38bdf8;

    border-radius: 50%;

    box-shadow: 0 0 10px #38bdf8;

    animation: floatParticle linear infinite;
}

@keyframes floatParticle {

    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }

    20% {
        opacity: 1;
    }

    50% {
        transform: translateY(-80px) translateX(30px);
        opacity: .8;
    }

    100% {
        transform: translateY(-180px) translateX(-30px);
        opacity: 0;
    }
}


/* =========================
   CARD MOUSE GLOW
========================= */

.skill-card::before,
.project-card::before {
    content: "";

    position: absolute;

    width: 180px;
    height: 180px;

    left: var(--mouse-x);
    top: var(--mouse-y);

    transform: translate(-50%, -50%);

    background: radial-gradient(
        circle,
        rgba(56, 189, 248, .25),
        transparent 70%
    );

    opacity: 0;

    transition: opacity .3s ease;

    pointer-events: none;
}

.skill-card:hover::before,
.project-card:hover::before {
    opacity: 1;
}


/* =========================
   MOBILE RESPONSIVE
========================= */

@media (max-width: 1000px) {

    .hero {
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 80px;
    }

    .hero-content h2 {
        font-size: 38px;
    }

    .hero-content p {
        font-size: 18px;
    }
}


@media (max-width: 768px) {

    nav {
        flex-direction: column;
        gap: 15px;
    }

    nav ul {
        margin-top: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 8px 12px;
    }

    .hero,
    .about,
    .contact-container {
        flex-direction: column;
        text-align: center;
    }

    .hero {
        padding-top: 220px;
    }

    .hero-content h1 {
        font-size: 60px;
    }

    .hero-content h2 {
        font-size: 30px;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .social-icons {
        text-align: center;
    }

    .hero-image {
        width: 100%;
    }

    .image-circle {
        width: 90vw;
        height: 65vw;

        min-width: unset;
        min-height: unset;

        max-width: 560px;
        max-height: 420px;
    }

    .about-image img {
        width: 250px;
        height: 250px;
    }

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

    .contact-form {
        width: 100%;
    }

    .cursor-glow {
        display: none;
    }
}