:root {
    --background: #090d14;
    --surface: #111823;
    --surface-soft: rgba(17, 24, 35, 0.76);
    --surface-strong: #151f2d;
    --border: rgba(148, 163, 184, 0.16);
    --text: #e8eef6;
    --muted: #98a8bb;
    --primary: #6ea8fe;
    --primary-strong: #4387ed;
    --primary-soft: rgba(110, 168, 254, 0.14);
    --font-main: "Manrope", sans-serif;
    --font-code: "IBM Plex Mono", monospace;
    --shadow: 0 22px 70px rgba(0, 0, 0, 0.22);
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    color: var(--text);
    background: var(--background);
    font-family: var(--font-main);
    line-height: 1.6;
}

a {
    color: inherit;
}

.site-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(circle at 12% 6%, rgba(67, 135, 237, 0.14), transparent 28rem),
        radial-gradient(circle at 90% 34%, rgba(50, 91, 145, 0.12), transparent 30rem),
        linear-gradient(rgba(148, 163, 184, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.025) 1px, transparent 1px);
    background-size: auto, auto, 56px 56px, 56px 56px;
}

.site-header,
.section-shell {
    width: min(1120px, calc(100% - 40px));
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 84px;
    gap: 24px;
}

.brand,
.site-nav,
.nav-tools,
.button,
.contact-card,
.skill-icon {
    display: flex;
    align-items: center;
}

.brand {
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(110, 168, 254, 0.3);
    border-radius: 14px;
    color: var(--primary);
    background: var(--primary-soft);
    font-family: var(--font-code);
    font-size: 0.82rem;
    font-weight: 500;
}

.brand-name {
    font-size: 0.95rem;
    font-weight: 700;
}

.site-nav {
    gap: 22px;
}

.site-nav a {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.site-nav .nav-tools {
    gap: 8px;
    padding: 9px 14px;
    border: 1px solid rgba(110, 168, 254, 0.24);
    border-radius: 999px;
    color: var(--primary);
    background: var(--primary-soft);
}

.hero {
    display: grid;
    min-height: min(720px, calc(100vh - 84px));
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: center;
    gap: 76px;
    padding: 72px 0 110px;
}

.eyebrow {
    color: var(--primary);
    font-family: var(--font-code);
    font-size: 0.76rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1,
h2 {
    letter-spacing: -0.05em;
    line-height: 1.08;
}

h1 {
    max-width: 780px;
    margin-top: 16px;
    font-size: clamp(3rem, 7vw, 5.7rem);
    font-weight: 800;
}

h1 span {
    color: var(--primary);
}

h2 {
    margin-top: 12px;
    font-size: clamp(2rem, 4vw, 3.35rem);
    font-weight: 800;
}

.hero-description {
    max-width: 680px;
    margin-top: 26px;
    color: var(--muted);
    font-size: clamp(1rem, 2vw, 1.16rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button {
    justify-content: center;
    gap: 9px;
    min-height: 48px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button-primary {
    color: #08111e;
    background: var(--primary);
}

.button-primary:hover {
    background: #91bfff;
}

.button-secondary {
    border-color: var(--border);
    color: var(--text);
    background: rgba(148, 163, 184, 0.04);
}

.button-secondary:hover {
    border-color: rgba(110, 168, 254, 0.32);
    background: var(--primary-soft);
}

.hero-card {
    display: grid;
    min-height: 340px;
    place-items: center;
    align-content: center;
    gap: 20px;
    border: 1px solid var(--border);
    border-radius: 30px;
    background: linear-gradient(145deg, rgba(110, 168, 254, 0.12), rgba(17, 24, 35, 0.72));
    box-shadow: var(--shadow);
}

.monogram {
    display: grid;
    width: 176px;
    height: 176px;
    place-items: center;
    border: 1px solid rgba(110, 168, 254, 0.32);
    border-radius: 48px;
    color: var(--primary);
    background: rgba(9, 13, 20, 0.52);
    font-family: var(--font-code);
    font-size: 3.15rem;
    font-weight: 500;
    letter-spacing: -0.12em;
}

.hero-card p {
    color: var(--muted);
    font-family: var(--font-code);
    font-size: 0.78rem;
}

.hero-card span {
    color: var(--primary);
}

.section-block {
    padding: 92px 0;
}

.section-heading {
    max-width: 720px;
}

.section-heading > p:last-child {
    margin-top: 18px;
    color: var(--muted);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 36px;
}

.skill-card,
.tools-callout,
.contact-card {
    border: 1px solid var(--border);
    background: var(--surface-soft);
    box-shadow: var(--shadow);
}

.skill-card {
    min-height: 246px;
    padding: 24px;
    border-radius: 18px;
}

.skill-icon {
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 13px;
    color: var(--primary);
    background: var(--primary-soft);
}

.skill-card h3 {
    margin-top: 24px;
    font-size: 1rem;
}

.skill-card p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.88rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 18px;
}

.skill-tags span {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: #b8c7d8;
    font-family: var(--font-code);
    font-size: 0.68rem;
}

.tools-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    padding: 38px;
    border-radius: 22px;
    background: linear-gradient(120deg, rgba(110, 168, 254, 0.12), rgba(17, 24, 35, 0.82));
}

.tools-callout h2 {
    font-size: clamp(1.85rem, 4vw, 3rem);
}

.tools-callout p:not(.eyebrow) {
    max-width: 680px;
    margin-top: 14px;
    color: var(--muted);
}

.tools-callout-side {
    min-width: 170px;
    text-align: right;
}

.tools-callout-side p {
    margin: 0 0 14px;
    font-size: 0.9rem;
}

.tools-callout-side strong {
    color: var(--primary);
    font-family: var(--font-code);
    font-size: 1.3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
}

.contact-card {
    gap: 15px;
    min-height: 98px;
    padding: 19px;
    border-radius: 16px;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.contact-card:hover {
    transform: translateY(-3px);
    border-color: rgba(110, 168, 254, 0.42);
    background: rgba(110, 168, 254, 0.1);
}

.contact-card i {
    display: grid;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 12px;
    color: var(--primary);
    background: var(--primary-soft);
}

.contact-card strong,
.contact-card span {
    display: block;
}

.contact-card strong {
    font-size: 0.92rem;
}

.contact-card span {
    margin-top: 3px;
    overflow-wrap: anywhere;
    color: var(--muted);
    font-size: 0.78rem;
}

.site-footer {
    width: min(1120px, calc(100% - 40px));
    margin: 28px auto 0;
    padding: 24px 0 38px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.82rem;
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 84px 0;
    }

    .hero-card {
        display: none;
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .site-header,
    .section-shell,
    .site-footer {
        width: min(100% - 28px, 1120px);
    }

    .site-header {
        min-height: 72px;
    }

    .brand-name,
    .site-nav > a:not(.nav-tools) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 94px 0 66px;
    }

    h1 {
        font-size: clamp(2.85rem, 15vw, 4.4rem);
    }

    .section-block {
        padding: 66px 0;
    }

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

    .skill-card {
        min-height: auto;
    }

    .tools-callout {
        display: block;
        padding: 26px;
    }

    .tools-callout-side {
        margin-top: 26px;
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}