/* =========================
   VARIABLES
========================= */

:root {

    --bg: #07111f;
    --bg-secondary: #0b1728;
    --card: #0e1c2e;

    --text: #f4f7fb;
    --text-secondary: #9aa9bb;

    --primary: #00d4ff;
    --primary-dark: #009ec2;

    --border: rgba(255,255,255,0.09);

    --shadow:
        0 20px 60px rgba(0,0,0,0.3);

    --radius: 18px;

    --transition:
        all 0.3s ease;

}


body.light-theme {

    --bg: #f4f7fb;
    --bg-secondary: #ffffff;
    --card: #ffffff;

    --text: #101828;
    --text-secondary: #667085;

    --border: rgba(0,0,0,0.08);

}


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

* {

    margin: 0;
    padding: 0;

    box-sizing: border-box;

}


html {

    scroll-behavior: smooth;

}


body {

    font-family: "Inter", sans-serif;

    background: var(--bg);

    color: var(--text);

    line-height: 1.7;

    transition:
        background 0.3s ease,
        color 0.3s ease;

}


a {

    color: inherit;

    text-decoration: none;

}


ul {

    list-style: none;

}


img {

    max-width: 100%;

    display: block;

}


button,
input,
textarea {

    font: inherit;

}


/* =========================
   CONTAINER
========================= */

.container {

    width: min(1150px, 92%);

    margin: auto;

}


/* =========================
   HEADER
========================= */

.header {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    z-index: 1000;

    background:
        rgba(7,17,31,0.75);

    backdrop-filter:
        blur(20px);

    border-bottom:
        1px solid var(--border);

}


.navbar {

    height: 78px;

    display: flex;

    align-items: center;

    justify-content: space-between;

}


.logo {

    font-family:
        "Space Grotesk",
        sans-serif;

    font-size: 28px;

    font-weight: 700;

}


.logo span {

    color: var(--primary);

}


.nav-menu {

    display: flex;

    gap: 32px;

}


.nav-link {

    color:
        var(--text-secondary);

    font-size: 14px;

    transition:
        var(--transition);

}


.nav-link:hover,
.nav-link.active {

    color:
        var(--primary);

}


.nav-actions {

    display: flex;

    align-items: center;

    gap: 15px;

}


.icon-button {

    width: 40px;
    height: 40px;

    border: 1px solid var(--border);

    background: transparent;

    color: var(--text);

    border-radius: 50%;

    cursor: pointer;

}


.nav-cv {

    padding:
        9px 18px;

    border:
        1px solid var(--primary);

    color:
        var(--primary);

    border-radius:
        8px;

    font-size: 13px;

    font-weight: 600;

    transition:
        var(--transition);

}


.nav-cv:hover {

    background:
        var(--primary);

    color:
        #000;

}


.hamburger {

    display: none;

    background: none;

    border: none;

    cursor: pointer;

}


.hamburger span {

    display: block;

    width: 25px;

    height: 2px;

    margin: 5px;

    background:
        var(--text);

}


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

.hero {

    min-height: 100vh;

    display: flex;

    align-items: center;

    position: relative;

    overflow: hidden;
    padding-left: 30px;

}


.hero::before {

    content: "";

    position: absolute;

    width: 600px;
    height: 600px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(0,212,255,0.12),
            transparent 70%
        );

    top: 10%;
    right: -200px;

}


.hero-grid {

    display: grid;

    grid-template-columns:
        1.1fr 0.9fr;

    align-items: center;

    gap: 70px;

    padding-top: 80px;

}


.status {

    display: inline-flex;

    align-items: center;

    gap: 10px;

    padding:
        7px 13px;

    border:
        1px solid var(--border);

    border-radius:
        30px;

    color:
        var(--text-secondary);

    font-size: 12px;

    margin-bottom: 25px;

}


.status-dot {

    width: 7px;
    height: 7px;

    border-radius: 50%;

    background:
        #32d583;

    box-shadow:
        0 0 10px #32d583;

}


.hero-small {

    color:
        var(--primary);

    letter-spacing:
        4px;

    font-size: 13px;

    font-weight: 700;
    padding-left: 30px;

}


.hero h1 {

    font-family:
        "Space Grotesk",
        sans-serif;

    font-size:
        clamp(55px, 8vw, 100px);

    line-height: 1;

    margin:
        15px 0;
        padding-left: 30px;

}


.hero h1 span {

    color:
        var(--primary);
        padding-left: 30px;

}


.hero h2 {

    font-size:
        clamp(20px, 3vw, 30px);

    color:
        var(--text-secondary);

    min-height: 45px;
    padding-left: 30px;

}


.hero-description {

    max-width: 620px;
    padding-left: 30px;

    color:
        var(--text-secondary);

    margin:
        25px 0 35px;

    font-size: 16px;

}


.hero-buttons {

    display: flex;

    gap: 15px;
    padding-left: 30px;

}


.btn {

    display: inline-flex;

    align-items: center;

    gap: 10px;

    padding:
        13px 22px;

    border-radius:
        9px;

    font-size: 14px;

    font-weight: 600;

    cursor: pointer;

    border: none;

    transition:
        var(--transition);

}


.btn-primary {

    background:
        var(--primary);

    color:
        #001018;

}


.btn-primary:hover {

    transform:
        translateY(-3px);

    box-shadow:
        0 12px 30px rgba(0,212,255,0.2);

}


.btn-outline {

    border:
        1px solid var(--border);

    color:
        var(--text);

}


.btn-outline:hover {

    border-color:
        var(--primary);

    color:
        var(--primary);

}


.social-links {

    display: flex;

    gap: 15px;

    margin-top: 35px;
    padding-left: 50px;

}


.social-links a {

    width: 40px;
    height: 40px;

    display: grid;

    place-items: center;

    border:
        1px solid var(--border);

    border-radius:
        50%;

    color:
        var(--text-secondary);

    transition:
        var(--transition);

}


.social-links a:hover {

    color:
        var(--primary);

    border-color:
        var(--primary);

    transform:
        translateY(-3px);

}


/* =========================
   HERO VISUAL
========================= */

.hero-visual {

    position: relative;

    display: flex;

    justify-content: center;

}


.profile-card {

    width:
        min(390px,100%);

    background:
        var(--card);

    border:
        1px solid var(--border);

    border-radius:
        25px;

    padding:
        20px;

    box-shadow:
        var(--shadow);

    position: relative;

    z-index: 2;

    transform:
        rotate(2deg);

}


.profile-image {

    height: 300px;

    overflow: hidden;

    border-radius:
        18px;

    background:
        var(--bg-secondary);

}


.profile-image img {

    width: 100%;
    height: 100%;

    object-fit: cover;

}


.profile-info {

    padding:
        18px 5px;

}


.profile-info h3 {

    font-family:
        "Space Grotesk";

    font-size:
        22px;

}


.profile-info p {

    color:
        var(--text-secondary);

    font-size:
        13px;

}


.terminal {

    background:
        #02070d;

    border-radius:
        12px;

    overflow: hidden;

    font-family:
        monospace;

    font-size:
        11px;

}


.terminal-header {

    padding:
        9px;

    background:
        #0b121b;

}


.terminal-header span {

    display: inline-block;

    width: 8px;
    height: 8px;

    border-radius: 50%;

    background:
        #566;

    margin-right: 4px;

}


.terminal-body {

    padding:
        15px;

    color:
        #a8b4c2;

}


.terminal-green {

    color:
        #32d583;

}


.terminal-success {

    color:
        #32d583;

    margin:
        5px 0;

}


/* =========================
   SECTIONS
========================= */

.section {

    padding:
        110px 0;

}


.section-alt {

    background:
        var(--bg-secondary);

}


.section-heading {

    max-width:
        750px;

    margin-bottom:
        60px;

}


.section-heading span {

    color:
        var(--primary);

    font-size:
        12px;

    font-weight:
        700;

    letter-spacing:
        3px;

}


.section-heading h2 {

    font-family:
        "Space Grotesk";

    font-size:
        clamp(35px,5vw,55px);

    line-height:
        1.15;

    margin-top:
        15px;

}


.section-heading strong {

    color:
        var(--primary);

}


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

.about-grid {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap:
        80px;

}


.about-text p {

    color:
        var(--text-secondary);

    margin-bottom:
        20px;

}


.about-text .lead {

    color:
        var(--text);

    font-size:
        19px;

}


.text-link {

    color:
        var(--primary);

    display:
        inline-flex;

    gap:
        10px;

    margin-top:
        15px;

}


.about-stats {

    display:
        grid;

    grid-template-columns:
        1fr 1fr;

    gap:
        15px;

}


.stat-card {

    padding:
        30px;

    border:
        1px solid var(--border);

    background:
        var(--card);

    border-radius:
        var(--radius);

}


.stat-number {

    display:
        block;

    font-family:
        "Space Grotesk";

    font-size:
        42px;

    color:
        var(--primary);

    font-weight:
        700;

}


.stat-label {

    color:
        var(--text-secondary);

    font-size:
        13px;

}


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

.skills-grid {

    display:
        grid;

    grid-template-columns:
        repeat(4,1fr);

    gap:
        15px;

}


.skill-category {

    padding:
        25px;

    background:
        var(--card);

    border:
        1px solid var(--border);

    border-radius:
        var(--radius);

    transition:
        var(--transition);

}


.skill-category:hover {

    transform:
        translateY(-8px);

    border-color:
        rgba(0,212,255,0.4);

}


.skill-icon {

    width:
        50px;
    height:
        50px;

    display:
        grid;

    place-items:
        center;

    background:
        rgba(0,212,255,0.08);

    color:
        var(--primary);

    border-radius:
        12px;

    margin-bottom:
        20px;

}


.skill-category h3 {

    font-family:
        "Space Grotesk";

    font-size:
        17px;

    margin-bottom:
        10px;

}


.skill-category p {

    color:
        var(--text-secondary);

    font-size:
        13px;

}


.skill-tags {

    display:
        flex;

    flex-wrap:
        wrap;

    gap:
        6px;

    margin-top:
        18px;

}


.skill-tags span {

    font-size:
        10px;

    padding:
        4px 8px;

    border:
        1px solid var(--border);

    border-radius:
        5px;

    color:
        var(--text-secondary);

}


.skill-bars {

    margin-top:
        60px;

    display:
        grid;

    gap:
        25px;

}


.skill-bar-info {

    display:
        flex;

    justify-content:
        space-between;

    font-size:
        13px;

    margin-bottom:
        8px;

}


.skill-bar-info span:last-child {

    color:
        var(--primary);

}


.progress {

    height:
        6px;

    background:
        var(--border);

    border-radius:
        10px;

    overflow:
        hidden;

}


.progress div {

    height:
        100%;

    background:
        var(--primary);

    border-radius:
        inherit;

}


/* =========================
   TIMELINE
========================= */

.timeline {

    position:
        relative;

    max-width:
        850px;

    margin:
        auto;

}


.timeline::before {

    content: "";

    position:
        absolute;

    left:
        9px;

    top:
        0;

    width:
        1px;

    height:
        100%;

    background:
        var(--border);

}


.timeline-item {

    position:
        relative;

    padding-left:
        55px;

    margin-bottom:
        60px;

}


.timeline-dot {

    position:
        absolute;

    left:
        3px;

    top:
        5px;

    width:
        13px;

    height:
        13px;

    border-radius:
        50%;

    background:
        var(--primary);

    box-shadow:
        0 0 15px rgba(0,212,255,0.5);

}


.timeline-date {

    color:
        var(--primary);

    font-size:
        11px;

    letter-spacing:
        2px;

    font-weight:
        700;

}


.timeline-content {

    margin-top:
        8px;

}


.timeline-content h3 {

    font-family:
        "Space Grotesk";

    font-size:
        24px;

}


.timeline-content h4 {

    color:
        var(--text-secondary);

    margin:
        5px 0 15px;

}


.timeline-content p,
.timeline-content li {

    color:
        var(--text-secondary);

    font-size:
        14px;

}


.timeline-content ul {

    margin-top:
        15px;

}


.timeline-content li {

    margin:
        7px 0;

}


.timeline-content li::before {

    content:
        "→";

    color:
        var(--primary);

    margin-right:
        10px;

}


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

.projects-grid {

    display:
        grid;

    grid-template-columns:
        repeat(2,1fr);

    gap:
        18px;

}


.project-card {

    padding:
        30px;

    background:
        var(--card);

    border:
        1px solid var(--border);

    border-radius:
        var(--radius);

    transition:
        var(--transition);

}


.project-card:hover {

    transform:
        translateY(-8px);

    border-color:
        rgba(0,212,255,0.4);

}


.project-top {

    display:
        flex;

    justify-content:
        space-between;

    align-items:
        center;

}


.project-icon {

    width:
        50px;
    height:
        50px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        12px;

    background:
        rgba(0,212,255,0.08);

    color:
        var(--primary);

}


.project-top > i {

    color:
        var(--text-secondary);

}


.project-card h3 {

    font-family:
        "Space Grotesk";

    font-size:
        23px;

    margin:
        25px 0 10px;

}


.project-card p {

    color:
        var(--text-secondary);

    font-size:
        14px;

}


.project-tech {

    display:
        flex;

    flex-wrap:
        wrap;

    gap:
        7px;

    margin-top:
        20px;

}


.project-tech span {

    font-size:
        11px;

    padding:
        5px 9px;

    border:
        1px solid var(--border);

    border-radius:
        5px;

    color:
        var(--text-secondary);

}


/* =========================
   SERVICES
========================= */

.services-grid {

    display:
        grid;

    grid-template-columns:
        repeat(4,1fr);

}


.service {

    padding:
        35px 25px;

    border:
        1px solid var(--border);

}


.service span {

    color:
        var(--primary);

    font-size:
        11px;

}


.service i {

    display:
        block;

    color:
        var(--primary);

    font-size:
        25px;

    margin:
        30px 0 20px;

}


.service h3 {

    font-family:
        "Space Grotesk";

    font-size:
        19px;

    margin-bottom:
        10px;

}


.service p {

    color:
        var(--text-secondary);

    font-size:
        13px;

}


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

.contact-section {

    padding:
        110px 0;

    background:
        var(--bg-secondary);

}


.contact-wrapper {

    display:
        grid;

    grid-template-columns:
        0.8fr 1.2fr;

    gap:
        80px;

}


.contact-intro > span {

    color:
        var(--primary);

    font-size:
        12px;

    letter-spacing:
        3px;

}


.contact-intro h2 {

    font-family:
        "Space Grotesk";

    font-size:
        clamp(40px,5vw,60px);

    line-height:
        1.1;

    margin:
        15px 0 20px;

}


.contact-intro h2 strong {

    color:
        var(--primary);

}


.contact-intro > p {

    color:
        var(--text-secondary);

}


.contact-details {

    margin-top:
        35px;

    display:
        grid;

    gap:
        18px;

}


.contact-details > * {

    display:
        flex;

    align-items:
        center;

    gap:
        15px;

}


.contact-details i {

    width:
        42px;
    height:
        42px;

    display:
        grid;

    place-items:
        center;

    border:
        1px solid var(--border);

    border-radius:
        10px;

    color:
        var(--primary);

}


.contact-details small {

    display:
        block;

    color:
        var(--text-secondary);

    font-size:
        10px;

}


.contact-details span {

    font-size:
        13px;

}


.contact-form {

    padding:
        35px;

    border:
        1px solid var(--border);

    background:
        var(--card);

    border-radius:
        var(--radius);

}


.form-row {

    display:
        grid;

    grid-template-columns:
        1fr 1fr;

    gap:
        15px;

}


.form-group {

    margin-bottom:
        20px;

}


.form-group label {

    display:
        block;

    font-size:
        12px;

    margin-bottom:
        7px;

    color:
        var(--text-secondary);

}


.form-group input,
.form-group textarea {

    width:
        100%;

    padding:
        13px;

    border:
        1px solid var(--border);

    background:
        var(--bg-secondary);

    color:
        var(--text);

    border-radius:
        8px;

    outline:
        none;

    resize:
        vertical;

}


.form-group input:focus,
.form-group textarea:focus {

    border-color:
        var(--primary);

}


.form-message {

    margin-top:
        15px;

    font-size:
        13px;

}


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

.footer {

    padding:
        35px 0;

    border-top:
        1px solid var(--border);

}


.footer-content {

    display:
        flex;

    align-items:
        center;

    justify-content:
        space-between;

    gap:
        20px;

}


.footer p {

    color:
        var(--text-secondary);

    font-size:
        12px;

}


.footer-social {

    display:
        flex;

    gap:
        10px;

}


.footer-social a {

    width:
        35px;
    height:
        35px;

    display:
        grid;

    place-items:
        center;

    border:
        1px solid var(--border);

    border-radius:
        50%;

    color:
        var(--text-secondary);

}


.footer-social a:hover {

    color:
        var(--primary);

    border-color:
        var(--primary);

}


/* =========================
   BACK TO TOP
========================= */

.back-to-top {

    position:
        fixed;

    right:
        25px;

    bottom:
        25px;

    width:
        45px;

    height:
        45px;

    border:
        none;

    border-radius:
        50%;

    background:
        var(--primary);

    color:
        #001018;

    cursor:
        pointer;

    opacity:
        0;

    pointer-events:
        none;

    transition:
        var(--transition);

}


.back-to-top.show {

    opacity:
        1;

    pointer-events:
        auto;

}


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

@media(max-width:1000px) {

    .skills-grid {

        grid-template-columns:
            repeat(2,1fr);

    }

    .services-grid {

        grid-template-columns:
            repeat(2,1fr);

    }

}


@media(max-width:800px) {

    .nav-menu {

        position:
            fixed;

        top:
            78px;

        left:
            -100%;

        width:
            100%;

        padding:
            30px;

        background:
            var(--bg-secondary);

        flex-direction:
            column;

        text-align:
            center;

        transition:
            var(--transition);

    }


    .nav-menu.open {

        left:
            0;

    }


    .hamburger {

        display:
            block;

    }


    .nav-cv {

        display:
            none;

    }


    .hero-grid {

        grid-template-columns:
            1fr;

        text-align:
            center;

    }


    .hero-description {

        margin-left:
            auto;

        margin-right:
            auto;

    }


    .hero-buttons,
    .social-links {

        justify-content:
            center;

    }


    .hero-visual {

        margin-top:
            20px;

    }


    .about-grid {

        grid-template-columns:
            1fr;

    }


    .projects-grid {

        grid-template-columns:
            1fr;

    }


    .contact-wrapper {

        grid-template-columns:
            1fr;

    }

}


@media(max-width:550px) {

    .section {

        padding:
            80px 0;

    }


    .skills-grid,
    .services-grid {

        grid-template-columns:
            1fr;

    }


    .about-stats {

        grid-template-columns:
            1fr 1fr;

    }


    .form-row {

        grid-template-columns:
            1fr;

    }


    .contact-form {

        padding:
            20px;

    }


    .footer-content {

        flex-direction:
            column;

        text-align:
            center;

    }


    .hero h1 {

        font-size:
            58px;

    }

}