```css
/* =========================================================
   MILDRED FONKA PORTFOLIO
   Main Stylesheet
========================================================= */


/* =========================================================
   1. RESET
========================================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background: #08090d;
    color: #f4f4f5;

    line-height: 1.6;

    overflow-x: hidden;
}


/* =========================================================
   2. VARIABLES
========================================================= */

:root {

    --background: #08090d;
    --background-light: #0f1117;
    --surface: #13151d;
    --surface-hover: #191c26;

    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    --accent-dark: #6d28d9;

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

    --max-width: 1200px;

    --radius-small: 8px;
    --radius-medium: 14px;
    --radius-large: 22px;

    --transition: 0.3s ease;
}


/* =========================================================
   3. GLOBAL ELEMENTS
========================================================= */

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}

p {
    color: var(--text-secondary);
}

img {
    max-width: 100%;
    display: block;
}


/* =========================================================
   4. HEADER
========================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;

    z-index: 1000;

    background: rgba(8, 9, 13, 0.82);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);

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

.navbar {
    width: min(
        calc(100% - 40px),
        var(--max-width)
    );

    margin: 0 auto;

    height: 76px;

    display: flex;

    align-items: center;
    justify-content: space-between;
}


/* Logo */

.logo {
    font-size: 1.4rem;

    font-weight: 800;

    letter-spacing: -0.05em;
}

.logo span {
    color: var(--accent-light);
}


/* Navigation */

.nav-links {
    display: flex;

    align-items: center;

    gap: 32px;

    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);

    font-size: 0.9rem;

    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}


/* Mobile menu button */

.menu-toggle {
    display: none;

    background: none;

    border: none;

    color: var(--text-primary);

    font-size: 1.5rem;

    cursor: pointer;
}


/* =========================================================
   5. GENERAL SECTION
========================================================= */

.section {
    width: min(
        calc(100% - 40px),
        var(--max-width)
    );

    margin: 0 auto;

    padding: 120px 0;
}

.section-heading {
    max-width: 760px;

    margin-bottom: 60px;
}

.section-label {
    color: var(--accent-light);

    font-size: 0.75rem;

    font-weight: 700;

    letter-spacing: 0.16em;

    text-transform: uppercase;

    margin-bottom: 14px;
}

.section-heading h2 {
    font-size: clamp(
        2rem,
        5vw,
        3.5rem
    );

    line-height: 1.05;

    letter-spacing: -0.045em;

    margin-bottom: 20px;
}

.section-heading > p:not(.section-label) {
    max-width: 650px;

    font-size: 1.05rem;
}


/* =========================================================
   6. HERO
========================================================= */

.hero {
    width: min(
        calc(100% - 40px),
        var(--max-width)
    );

    min-height: 100vh;

    margin: 0 auto;

    padding-top: 150px;
    padding-bottom: 100px;

    display: grid;

    grid-template-columns:
        minmax(0, 1.15fr)
        minmax(300px, 0.85fr);

    align-items: center;

    gap: 70px;
}


/* Subtle background glow */

.hero::before {
    content: "";

    position: absolute;

    width: 500px;
    height: 500px;

    top: 100px;
    left: -200px;

    background:
        radial-gradient(
            circle,
            rgba(139, 92, 246, 0.14),
            transparent 70%
        );

    pointer-events: none;
}


.hero-greeting {
    color: var(--accent-light);

    font-size: 0.9rem;

    font-weight: 600;

    margin-bottom: 12px;
}

.hero h1 {
    font-size: clamp(
        3.5rem,
        8vw,
        7rem
    );

    line-height: 0.95;

    letter-spacing: -0.07em;

    margin-bottom: 24px;
}

.hero h2 {
    color: var(--text-secondary);

    font-size: clamp(
        1.2rem,
        2.5vw,
        1.7rem
    );

    font-weight: 500;

    margin-bottom: 26px;
}

.hero h2 span {
    color: var(--accent-light);

    margin: 0 5px;
}

.hero-description {
    max-width: 650px;

    font-size: 1.05rem;

    margin-bottom: 14px;
}


/* Hero buttons */

.hero-buttons {
    display: flex;

    gap: 14px;

    flex-wrap: wrap;

    margin-top: 36px;
}


/* =========================================================
   7. BUTTONS
========================================================= */

.btn {
    display: inline-flex;

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

    min-height: 48px;

    padding: 0 24px;

    border-radius: 999px;

    font-size: 0.9rem;

    font-weight: 700;

    transition:
        transform var(--transition),
        background var(--transition),
        border-color var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--text-primary);

    color: var(--background);
}

.btn-primary:hover {
    background: #ffffff;
}

.btn-secondary {
    border: 1px solid var(--border);

    color: var(--text-primary);

    background: rgba(255, 255, 255, 0.03);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.07);
}


/* =========================================================
   8. CODE WINDOW
========================================================= */

.hero-card {
    display: flex;

    justify-content: center;
}

.code-window {
    width: 100%;

    max-width: 470px;

    background: #0d0f15;

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

    border-radius: var(--radius-large);

    overflow: hidden;

    box-shadow:
        0 30px 100px
        rgba(0, 0, 0, 0.45);
}

.window-header {
    height: 44px;

    display: flex;

    align-items: center;

    gap: 7px;

    padding: 0 16px;

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

.window-header span {
    width: 9px;
    height: 9px;

    border-radius: 50%;

    background: #444;
}

.code-content {
    padding: 28px;

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 0.86rem;

    line-height: 2;
}

.code-content p {
    color: #d4d4d8;
}

.code-keyword {
    color: #c084fc;
}

.code-string {
    color: #86efac;
}

.code-indent {
    padding-left: 24px;
}


/* =========================================================
   9. ABOUT
========================================================= */

.about {
    border-top: 1px solid var(--border);
}

.about-content {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(300px, 0.8fr);

    gap: 80px;

    align-items: start;
}

.about-text p {
    margin-bottom: 20px;

    font-size: 1.05rem;
}

.about-highlights {
    display: grid;

    gap: 14px;
}

.highlight-card {
    padding: 28px;

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

    border-radius: var(--radius-medium);

    background: var(--surface);

    transition:
        transform var(--transition),
        background var(--transition);
}

.highlight-card:hover {
    transform: translateY(-4px);

    background: var(--surface-hover);
}

.highlight-number {
    color: var(--accent-light);

    font-size: 0.75rem;

    font-weight: 700;
}

.highlight-card h3 {
    margin: 8px 0 5px;

    font-size: 1.15rem;
}


/* =========================================================
   10. EXPERIENCE
========================================================= */

.experience {
    border-top: 1px solid var(--border);
}

.experience-card {
    padding: 42px;

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

    border-radius: var(--radius-large);

    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.035),
            rgba(255, 255, 255, 0.015)
        );
}

.experience-header {
    display: flex;

    justify-content: space-between;

    gap: 30px;

    margin-bottom: 8px;
}

.experience-role {
    color: var(--accent-light);

    font-size: 0.85rem;

    font-weight: 700;

    margin-bottom: 4px;
}

.experience-header h3 {
    font-size: 1.8rem;

    letter-spacing: -0.03em;
}

.experience-date {
    white-space: nowrap;

    color: var(--text-muted);

    font-size: 0.85rem;
}

.experience-location {
    color: var(--text-muted);

    font-size: 0.85rem;

    margin-bottom: 30px;
}

.experience-description ul {
    padding-left: 20px;
}

.experience-description li {
    color: var(--text-secondary);

    margin-bottom: 13px;

    padding-left: 6px;
}


/* =========================================================
   11. PROJECTS
========================================================= */

.projects {
    border-top: 1px solid var(--border);
}

.project-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 18px;
}

.project-card {
    position: relative;

    padding: 34px;

    min-height: 360px;

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

    border-radius: var(--radius-large);

    background: var(--surface);

    overflow: hidden;

    transition:
        transform var(--transition),
        border-color var(--transition),
        background var(--transition);
}

.project-card::after {
    content: "";

    position: absolute;

    width: 180px;
    height: 180px;

    top: -90px;
    right: -90px;

    background:
        radial-gradient(
            circle,
            rgba(139, 92, 246, 0.13),
            transparent 70%
        );

    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-6px);

    background: var(--surface-hover);

    border-color:
        rgba(167, 139, 250, 0.35);
}

.project-number {
    color: var(--text-muted);

    font-size: 0.75rem;

    font-weight: 700;

    margin-bottom: 45px;
}

.project-type {
    color: var(--accent-light);

    font-size: 0.75rem;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 0.1em;

    margin-bottom: 10px;
}

.project-content h3 {
    font-size: 1.65rem;

    letter-spacing: -0.035em;

    margin-bottom: 14px;
}

.project-content > p:not(.project-type) {
    font-size: 0.95rem;

    margin-bottom: 22px;
}

.project-tech {
    display: flex;

    flex-wrap: wrap;

    gap: 7px;

    margin-bottom: 25px;
}

.project-tech span,
.skill-list span {
    padding: 6px 10px;

    border-radius: 999px;

    background: rgba(255, 255, 255, 0.05);

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

    color: var(--text-secondary);

    font-size: 0.72rem;
}

.project-link {
    color: var(--text-primary);

    font-size: 0.85rem;

    font-weight: 700;

    transition: color var(--transition);
}

.project-link:hover {
    color: var(--accent-light);
}


/* =========================================================
   12. SKILLS
========================================================= */

.skills {
    border-top: 1px solid var(--border);
}

.skills-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 18px;
}

.skill-group {
    padding: 30px;

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

    border-radius: var(--radius-medium);

    background: var(--surface);
}

.skill-group h3 {
    margin-bottom: 20px;

    font-size: 1.1rem;
}

.skill-list {
    display: flex;

    flex-wrap: wrap;

    gap: 8px;
}


/* =========================================================
   13. LEARNING ROADMAP
========================================================= */

.learning {
    border-top: 1px solid var(--border);
}

.learning-roadmap {
    display: flex;

    align-items: stretch;

    overflow-x: auto;

    padding-bottom: 20px;
}

.learning-step {
    min-width: 170px;

    padding: 25px;

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

    border-radius: var(--radius-medium);

    background: var(--surface);
}

.learning-step.completed {
    border-color:
        rgba(134, 239, 172, 0.2);
}

.learning-step.current {
    border-color:
        rgba(167, 139, 250, 0.45);

    background:
        rgba(139, 92, 246, 0.08);
}

.learning-number {
    display: block;

    color: var(--accent-light);

    font-size: 0.7rem;

    font-weight: 700;

    margin-bottom: 18px;
}

.learning-step h3 {
    font-size: 1rem;

    margin-bottom: 5px;
}

.learning-step p {
    font-size: 0.78rem;
}

.learning-line {
    flex: 1;

    min-width: 30px;

    height: 1px;

    background: var(--border);

    align-self: center;
}

.future-learning {
    margin-top: 50px;

    padding: 35px;

    border-radius: var(--radius-large);

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

    background: rgba(255, 255, 255, 0.02);
}

.future-learning h3 {
    font-size: 1.6rem;

    margin-bottom: 8px;
}


/* =========================================================
   14. COLLABORATION
========================================================= */

.collaboration {
    border-top: 1px solid var(--border);
}

.collaboration-content {
    display: grid;

    grid-template-columns:
        1fr
        1fr;

    gap: 100px;

    align-items: start;
}

.collaboration-content h2 {
    font-size: clamp(
        2rem,
        5vw,
        3.5rem
    );

    line-height: 1.05;

    letter-spacing: -0.045em;
}

.collaboration-content p {
    font-size: 1.05rem;

    margin-bottom: 20px;
}


/* =========================================================
   15. RESUME
========================================================= */

.resume-section {
    padding-top: 40px;
}

.resume-card {
    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 40px;

    padding: 50px;

    border-radius: var(--radius-large);

    background:
        linear-gradient(
            135deg,
            rgba(139, 92, 246, 0.13),
            rgba(255, 255, 255, 0.03)
        );

    border: 1px solid
        rgba(167, 139, 250, 0.2);
}

.resume-card h2 {
    font-size: 2rem;

    margin-bottom: 8px;
}


/* =========================================================
   16. CONTACT
========================================================= */

.contact {
    border-top: 1px solid var(--border);
}

.contact-links {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 14px;
}

.contact-item {
    padding: 25px;

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

    border-radius: var(--radius-medium);

    background: var(--surface);

    transition:
        transform var(--transition),
        background var(--transition);
}

.contact-item:hover {
    transform: translateY(-4px);

    background: var(--surface-hover);
}

.contact-label {
    display: block;

    color: var(--accent-light);

    font-size: 0.72rem;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 0.1em;

    margin-bottom: 7px;
}

.contact-value {
    color: var(--text-primary);

    font-size: 0.9rem;

    word-break: break-word;
}


/* =========================================================
   17. FOOTER
========================================================= */

.site-footer {
    border-top: 1px solid var(--border);
}

.footer-content {
    width: min(
        calc(100% - 40px),
        var(--max-width)
    );

    min-height: 100px;

    margin: 0 auto;

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 20px;
}

.footer-content p {
    font-size: 0.75rem;
}


/* =========================================================
   18. SCROLLBAR
========================================================= */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: #27272a;

    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3f3f46;
}


/* =========================================================
   19. SELECTION
========================================================= */

::selection {
    background: rgba(139, 92, 246, 0.35);

    color: white;
}


/* =========================================================
   20. RESPONSIVE — TABLET
========================================================= */

@media (max-width: 900px) {

    .hero {
        grid-template-columns: 1fr;

        padding-top: 130px;

        gap: 60px;
    }

    .hero-card {
        justify-content: flex-start;
    }

    .hero h1 {
        font-size: clamp(
            3.5rem,
            12vw,
            6rem
        );
    }

    .about-content {
        grid-template-columns: 1fr;

        gap: 50px;
    }

    .collaboration-content {
        grid-template-columns: 1fr;

        gap: 40px;
    }

    .contact-links {
        grid-template-columns: 1fr;
    }

}


/* =========================================================
   21. RESPONSIVE — MOBILE
========================================================= */

@media (max-width: 700px) {

    .section {
        padding: 85px 0;
    }


    /* Mobile navigation */

    .navbar {
        height: 68px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;

        top: 68px;
        left: 0;

        width: 100%;

        padding: 25px;

        flex-direction: column;

        align-items: flex-start;

        gap: 20px;

        background: rgba(8, 9, 13, 0.98);

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

        display: none;
    }

    .nav-links.active {
        display: flex;
    }


    /* Hero */

    .hero {
        width: min(
            calc(100% - 30px),
            var(--max-width)
        );

        padding-top: 120px;

        min-height: auto;

        padding-bottom: 80px;
    }

    .hero h1 {
        font-size: clamp(
            3rem,
            16vw,
            5rem
        );
    }

    .hero h2 {
        font-size: 1.15rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;

        align-items: stretch;
    }

    .btn {
        width: 100%;
    }


    /* Code window */

    .code-content {
        padding: 20px;

        font-size: 0.72rem;

        overflow-x: auto;
    }


    /* Sections */

    .section {
        width: min(
            calc(100% - 30px),
            var(--max-width)
        );
    }

    .section-heading {
        margin-bottom: 40px;
    }


    /* Experience */

    .experience-card {
        padding: 25px;
    }

    .experience-header {
        flex-direction: column;

        gap: 10px;
    }

    .experience-header h3 {
        font-size: 1.45rem;
    }


    /* Projects */

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        min-height: auto;

        padding: 27px;
    }


    /* Skills */

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


    /* Learning */

    .learning-roadmap {
        display: grid;

        grid-template-columns: 1fr;

        gap: 10px;

        overflow: visible;
    }

    .learning-step {
        min-width: 0;
    }

    .learning-line {
        display: none;
    }


    /* Resume */

    .resume-card {
        flex-direction: column;

        align-items: flex-start;

        padding: 30px;
    }

    .resume-card .btn {
        width: auto;
    }


    /* Footer */

    .footer-content {
        min-height: 120px;

        flex-direction: column;

        justify-content: center;

        text-align: center;
    }

}


/* =========================================================
   22. VERY SMALL SCREENS
========================================================= */

@media (max-width: 400px) {

    .hero h1 {
        font-size: 2.8rem;
    }

    .section-heading h2 {
        font-size: 2rem;
    }

    .project-content h3 {
        font-size: 1.4rem;
    }

}
```