/* =========================================================
   BASE
   ========================================================= */

:root {
    --bg: #070a0d;
    --bg-soft: #0b1015;
    --bg-card: #0e141a;

    --text: #f2f6f8;
    --text-muted: #8e9aa3;
    --text-dim: #56616a;

    --accent: #67d5ff;
    --accent-bright: #9ae5ff;
    --accent-dark: #258bb5;

    --border: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(103, 213, 255, 0.25);

    --container: 1180px;
}


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


html {
    scroll-behavior: smooth;
}


body {
    background: var(--bg);
    color: var(--text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.6;
}


a {
    color: inherit;
}


.container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}


.section {
    padding: 110px 0;
}


.section-alt {
    background: var(--bg-soft);
}


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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(7, 10, 13, 0.86);
    backdrop-filter: blur(16px);

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


.nav {
    min-height: 76px;

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

    gap: 2rem;
}


.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    text-decoration: none;
}


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


.nav-links {
    display: flex;
    align-items: center;
    gap: 1.8rem;

    margin-left: auto;
}


.nav-links a,
.nav-linkedin {
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 600;

    text-decoration: none;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}


.nav-links a:hover,
.nav-linkedin:hover {
    color: var(--accent);
}


.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}


.nav-linkedin span,
.nav-cv span {
    color: var(--accent);
}


.nav-cv {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;

    padding: 0.65rem 1rem;

    border: 1px solid var(--border-accent);
    border-radius: 6px;

    color: var(--text);
    background: rgba(103, 213, 255, 0.04);

    font-size: 0.8rem;
    font-weight: 700;

    text-decoration: none;

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}


.nav-cv:hover {
    background: rgba(103, 213, 255, 0.1);
    border-color: var(--accent);
    transform: translateY(-1px);
}


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

.hero {
    min-height: calc(100vh - 76px);

    display: flex;
    align-items: center;

    position: relative;
    overflow: hidden;

    background-image:
        linear-gradient(rgba(103, 213, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103, 213, 255, 0.025) 1px, transparent 1px);

    background-size: 55px 55px;
}


.hero::before {
    content: "";

    position: absolute;

    width: 650px;
    height: 650px;

    top: -250px;
    right: -200px;

    background: rgba(103, 213, 255, 0.06);

    filter: blur(100px);
    border-radius: 50%;
}


.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;

    align-items: center;

    gap: 80px;

    padding: 90px 0;
}


.eyebrow {
    color: var(--accent);

    font-size: 0.75rem;
    font-weight: 700;

    letter-spacing: 0.15em;
    text-transform: uppercase;
}


.hero h1 {
    margin-top: 1rem;

    font-size: clamp(4rem, 8vw, 7.5rem);
    line-height: 0.9;

    letter-spacing: -0.075em;
}


.hero h1 span {
    color: var(--accent);
}


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

    margin-top: 2rem;

    color: var(--text-muted);

    font-size: 1.2rem;
    line-height: 1.65;
}


.hero-role strong {
    color: var(--text);
}


.hero-location {
    margin-top: 1rem;

    color: var(--accent-bright);

    font-size: 0.9rem;
    font-weight: 600;
}


.hero-tech {
    display: flex;
    flex-wrap: wrap;

    gap: 0.5rem;

    margin-top: 1.5rem;
}


.hero-tech span {
    padding: 0.35rem 0.65rem;

    border: 1px solid var(--border);
    border-radius: 4px;

    color: var(--text-muted);

    font-size: 0.72rem;
    font-weight: 600;
}


.hero-actions {
    display: flex;
    flex-wrap: wrap;

    gap: 0.8rem;

    margin-top: 2rem;
}


.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;

    padding: 0.85rem 1.15rem;

    border-radius: 5px;

    font-size: 0.82rem;
    font-weight: 700;

    text-decoration: none;

    transition:
        transform 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease;
}


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


.button-primary {
    background: var(--accent);
    color: #061017;
}


.button-primary:hover {
    background: var(--accent-bright);
}


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

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

    color: var(--text);
}


.button-secondary:hover {
    border-color: var(--border-accent);
    background: rgba(103, 213, 255, 0.05);
}


.hero-image-wrap {
    position: relative;

    max-width: 460px;
    margin-left: auto;
}


.hero-image {
    position: relative;
    z-index: 2;

    aspect-ratio: 4 / 5;

    overflow: hidden;

    border: 1px solid var(--border-accent);
    border-radius: 10px;
}


.hero-image::after {
    content: "";

    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            135deg,
            rgba(103, 213, 255, 0.15),
            transparent 45%
        );
}


.hero-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    filter: grayscale(15%);
}


.hero-image-glow {
    position: absolute;

    width: 75%;
    height: 75%;

    top: 12%;
    left: 12%;

    background: rgba(103, 213, 255, 0.16);

    filter: blur(80px);
}


.hero-image-label {
    position: absolute;

    z-index: 3;

    bottom: 20px;
    left: -20px;

    display: flex;
    align-items: center;
    gap: 0.5rem;

    padding: 0.65rem 0.9rem;

    background: rgba(7, 10, 13, 0.9);
    border: 1px solid var(--border);

    border-radius: 5px;

    color: var(--text-muted);

    font-size: 0.72rem;
    font-weight: 600;
}


.hero-image-label span {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: var(--accent);
}


/* =========================================================
   SECTION HEADINGS
   ========================================================= */

.section-heading {
    display: flex;
    align-items: baseline;
    gap: 1rem;

    margin-bottom: 55px;
}


.section-number {
    color: var(--accent);

    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}


.section-heading h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);

    line-height: 1;

    letter-spacing: -0.05em;
}


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

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

    gap: 80px;
}


.large-text {
    max-width: 600px;

    color: var(--text);

    font-size: clamp(1.5rem, 2.4vw, 2.1rem);
    line-height: 1.35;

    letter-spacing: -0.03em;
}


.about-content {
    color: var(--text-muted);
}


.about-content p + p {
    margin-top: 1.4rem;
}


/* =========================================================
   CAPABILITIES
   ========================================================= */

.capabilities-grid {
    display: grid;

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

    gap: 1px;

    background: var(--border);

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


.capability-card {
    min-height: 240px;

    padding: 2rem;

    background: var(--bg-card);
}


.capability-number {
    display: block;

    margin-bottom: 2.5rem;

    color: var(--accent);

    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}


.capability-card h3 {
    margin-bottom: 0.8rem;

    font-size: 1.1rem;
}


.capability-card p {
    color: var(--text-muted);

    font-size: 0.9rem;
    line-height: 1.7;
}


/* =========================================================
   EXPERIENCE
   ========================================================= */

.experience-list {
    display: flex;
    flex-direction: column;

    gap: 1rem;
}


.experience-card {
    padding: 2rem;

    background: var(--bg-card);

    border: 1px solid var(--border);
    border-radius: 7px;

    transition:
        border-color 0.2s ease,
        transform 0.2s ease;
}


.experience-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}


.experience-meta {
    display: flex;
    justify-content: space-between;

    margin-bottom: 1.5rem;

    color: var(--text-dim);

    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;

    letter-spacing: 0.08em;
}


.experience-main {
    display: grid;
    grid-template-columns: 0.65fr 1.35fr;

    gap: 50px;
}


.experience-main h3 {
    font-size: 1.35rem;
}


.company {
    margin-top: 0.3rem;

    color: var(--accent);

    font-size: 0.85rem;
    font-weight: 600;
}


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

    font-size: 0.9rem;
}


.experience-description p {
    margin-bottom: 1rem;
}


.experience-description ul {
    padding-left: 1.1rem;
}


.experience-description li {
    margin-bottom: 0.65rem;
}


.experience-description li::marker {
    color: var(--accent);
}


/* =========================================================
   TECHNOLOGY
   ========================================================= */

.technology-grid {
    display: grid;

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

    gap: 1rem;
}


.technology-group {
    padding: 1.5rem;

    background: var(--bg-card);

    border: 1px solid var(--border);
    border-radius: 6px;
}


.technology-group h3 {
    margin-bottom: 1rem;

    color: var(--text);

    font-size: 0.95rem;
}


.technology-list {
    display: flex;
    flex-wrap: wrap;

    gap: 0.45rem;
}


.technology-list span {
    padding: 0.35rem 0.55rem;

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

    border-radius: 4px;

    color: var(--text-muted);

    font-size: 0.7rem;
}


/* =========================================================
   GITHUB
   ========================================================= */

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


.github-card {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 3rem;

    padding: 3rem;

    border: 1px solid var(--border-accent);
    border-radius: 8px;

    background:
        linear-gradient(
            135deg,
            rgba(103, 213, 255, 0.07),
            rgba(103, 213, 255, 0.015)
        );
}


.github-card h2 {
    margin-top: 0.7rem;

    font-size: clamp(2rem, 4vw, 3rem);

    letter-spacing: -0.05em;
}


.github-card p {
    max-width: 600px;

    margin-top: 0.8rem;

    color: var(--text-muted);
}


/* =========================================================
   EDUCATION
   ========================================================= */

.education-grid {
    display: grid;

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

    gap: 1rem;
}


.education-card {
    padding: 2rem;

    background: var(--bg-card);

    border: 1px solid var(--border);
    border-radius: 6px;
}


.education-card span {
    color: var(--accent);

    font-size: 0.7rem;
    font-weight: 700;

    text-transform: uppercase;
    letter-spacing: 0.1em;
}


.education-card h3 {
    margin-top: 1rem;

    font-size: 1.2rem;
}


.education-card p {
    margin-top: 0.3rem;

    color: var(--text-muted);
}


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

.contact-section {
    padding-top: 50px;
}


.contact-card {
    padding: 4rem;

    background: var(--bg-card);

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

    border-radius: 8px;
}


.contact-intro {
    max-width: 700px;

    margin-bottom: 2.5rem;

    color: var(--text-muted);

    font-size: 1.15rem;
}


.contact-actions {
    display: flex;
    flex-wrap: wrap;

    gap: 0.8rem;
}


.contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;

    min-width: 180px;

    padding: 0.9rem 1rem;

    border: 1px solid var(--border);
    border-radius: 5px;

    color: var(--text);

    text-decoration: none;

    font-size: 0.82rem;
    font-weight: 600;

    transition:
        border-color 0.2s ease,
        background 0.2s ease;
}


.contact-link:hover {
    border-color: var(--accent);
    background: rgba(103, 213, 255, 0.04);
}


.contact-link span:last-child {
    color: var(--accent);
}


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

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

    padding: 1.5rem 0;
}


.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 1rem;

    color: var(--text-dim);

    font-size: 0.7rem;
}


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

@media (max-width: 1050px) {

    .nav-links {
        display: none;
    }

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

        gap: 60px;
    }

    .hero-image-wrap {
        margin: 0;

        max-width: 420px;
    }

    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .experience-main {
        grid-template-columns: 1fr;

        gap: 25px;
    }

}


@media (max-width: 750px) {

    .container {
        width: min(calc(100% - 32px), var(--container));
    }

    .section {
        padding: 80px 0;
    }

    .nav {
        min-height: 68px;
    }

    .nav-actions {
        gap: 0.6rem;
    }

    .nav-linkedin {
        display: none;
    }

    .nav-cv {
        padding: 0.55rem 0.75rem;
    }

    .hero {
        min-height: auto;
    }

    .hero-grid {
        padding: 70px 0;
    }

    .hero h1 {
        font-size: clamp(3.6rem, 17vw, 6rem);
    }

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

        gap: 35px;
    }

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

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

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

    .github-card {
        flex-direction: column;

        align-items: flex-start;

        padding: 2rem;
    }

    .contact-card {
        padding: 2rem;
    }

    .footer-inner {
        flex-direction: column;

        align-items: flex-start;
    }

}


@media (max-width: 450px) {

    .hero-actions {
        flex-direction: column;
    }

    .button {
        justify-content: center;

        width: 100%;
    }

    .experience-card {
        padding: 1.4rem;
    }

    .experience-meta {
        flex-direction: column;

        gap: 0.25rem;
    }

    .contact-actions {
        flex-direction: column;
    }

    .contact-link {
        width: 100%;
    }

}


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

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }

}