:root {
    --bg: #F5F6F8;
    --bg-alt: #EFF1F4;
    --ink: #15171C;
    --ink-soft: #565B66;
    --line: #DEE1E6;
    --card: #FFFFFF;
    --accent: #4C5FFF;
    --accent-ink: #FFFFFF;
    --amber: #FFB020;
    --coral: #E8462B;
    --radius-card: 14px;
    --radius-chip: 999px;
    --maxw: 1080px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
.display {
    font-family: 'Space Grotesk', sans-serif;
    margin: 0;
    letter-spacing: -0.01em;
}

code,
.mono {
    font-family: 'JetBrains Mono', monospace;
}

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

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

.wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 28px;
}

section {
    padding: 96px 0;
}

@media (max-width:640px) {
    section {
        padding: 64px 0;
    }

    .wrap {
        padding: 0 20px;
    }
}

/* ---------- NAV ---------- */
header.site {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(245, 246, 248, 0.86);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.nav {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 19px;
    font-weight: 700;
}

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

.navlinks {
    display: flex;
    gap: 30px;
}

.navlinks a {
    font-size: 14.5px;
    color: var(--ink-soft);
    font-weight: 500;
    transition: color .15s ease;
}

.navlinks a:hover {
    color: var(--ink);
}

.navlinks {
    display: none;
}

@media(min-width:760px) {
    .navlinks {
        display: flex;
    }
}

.nav-cta {
    font-size: 14px;
    font-weight: 600;
    padding: 9px 18px;
    background: var(--ink);
    color: #fff;
    border-radius: var(--radius-chip);
}

/* ---------- HERO ---------- */
.hero {
    padding: 88px 0 60px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: center;
}

@media(max-width:860px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 56px 0 40px;
    }
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--ink-soft);
    margin-bottom: 22px;
}

.eyebrow .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.18);
}

.hero h1 {
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.08;
}

.hero h1 em {
    font-style: normal;
    color: var(--accent);
}

.hero p.lead {
    margin-top: 20px;
    font-size: 17px;
    color: var(--ink-soft);
    max-width: 46ch;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 22px;
    border-radius: var(--radius-chip);
    font-weight: 600;
    font-size: 14.5px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--ink);
    color: #fff;
}

.btn-primary:hover {
    background: #000;
}

.btn-ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--ink);
}

.btn-ghost:hover {
    border-color: var(--ink);
}

/* block grid visual */
.blockgrid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    width: 100%;
    aspect-ratio: 1/1;
}

.blockgrid div {
    border-radius: 6px;
    background: var(--bg-alt);
    border: 1px solid var(--line);
}

.blockgrid div.on1 {
    background: var(--accent);
    border-color: var(--accent);
}

.blockgrid div.on2 {
    background: var(--amber);
    border-color: var(--amber);
}

.blockgrid div.on3 {
    background: var(--coral);
    border-color: var(--coral);
}

.blockgrid div.on4 {
    background: var(--ink);
    border-color: var(--ink);
}

/* ---------- SECTION HEADS ---------- */
.sec-head {
    margin-bottom: 44px;
    max-width: 60ch;
}

.sec-head h2 {
    font-size: clamp(26px, 3.4vw, 34px);
    font-weight: 700;
}

.sec-head p {
    margin-top: 12px;
    color: var(--ink-soft);
    font-size: 15.5px;
}

/* ---------- ABOUT ---------- */
#about {
    border-top: 1px solid var(--line);
    background: var(--card);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 56px;
    align-items: start;
}

@media(max-width:760px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

.avatar-block {
    width: 100%;
    aspect-ratio: 4/5;
    border-radius: var(--radius-card);
    background:
        repeating-linear-gradient(45deg, var(--bg-alt) 0 2px, transparent 2px 14px),
        linear-gradient(160deg, var(--accent) 0%, #4da9ff 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.avatar-block span {
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    opacity: .85;
}

.avatar-block img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.about-copy p {
    font-size: 16px;
    color: var(--ink-soft);
    margin: 0 0 16px;
    max-width: 62ch;
}

.about-copy p strong {
    color: var(--ink);
    font-weight: 600;
}

.stat-row {
    display: flex;
    gap: 36px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.stat b {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 26px;
    font-weight: 700;
}

.stat span {
    font-size: 13px;
    color: var(--ink-soft);
}

/* ---------- SKILLS ---------- */
#skills {
    border-top: 1px solid var(--line);
}

.skills-groups {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

@media(max-width:760px) {
    .skills-groups {
        grid-template-columns: 1fr;
    }
}

.skill-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 26px 26px 22px;
}

.skill-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-soft);
    margin-bottom: 16px;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    padding: 7px 13px;
    border-radius: 8px;
    background: var(--bg-alt);
    border: 1px solid var(--line);
}

.chip.primary {
    background: #EDEFFF;
    border-color: #C9CEFF;
    color: #3843C4;
    font-weight: 500;
}

/* ---------- PROJECTS ---------- */
#projects {
    border-top: 1px solid var(--line);
    background: var(--card);
}

.proj-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

@media(max-width:900px) {
    .proj-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media(max-width:640px) {
    .proj-grid {
        grid-template-columns: 1fr;
    }
}

.proj-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    transition: transform .18s ease, box-shadow .18s ease;
}

.proj-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 28px rgba(20, 22, 30, 0.08);
}

.proj-thumb {
    aspect-ratio: 16/10;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.proj-thumb span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
    position: absolute;
    top: 12px;
    left: 14px;
}

.proj-thumb.t1 {
    background: linear-gradient(135deg, #4C5FFF, #8B93FF);
}

.proj-thumb.t2 {
    background: linear-gradient(135deg, #E8462B, #FF8A5C);
}

.proj-thumb.t3 {
    background: linear-gradient(135deg, #15171C, #3A3F4C);
}

.proj-thumb.t4 {
    background: linear-gradient(135deg, #FFB020, #FFD37A);
}

.proj-thumb.t5 {
    background: linear-gradient(135deg, #2FAE83, #7FE0B9);
}

.proj-thumb.t6 {
    background: linear-gradient(135deg, #7C4DFF, #B39BFF);
}

.proj-body {
    padding: 20px 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.proj-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11.5px;
    color: var(--ink-soft);
    text-transform: lowercase;
}

.proj-body h3 {
    font-size: 17.5px;
    font-weight: 600;
}

.proj-body p {
    font-size: 14px;
    color: var(--ink-soft);
    flex: 1;
    margin: 0;
}

.proj-links {
    display: flex;
    gap: 14px;
    margin-top: 6px;
}

.proj-links a {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--accent);
}

.proj-links a:hover {
    text-decoration: underline;
}

/* ---------- DEVLOG ---------- */
#devlog {
    border-top: 1px solid var(--line);
}

.log-list {
    display: flex;
    flex-direction: column;
}

.log-item {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 24px;
    padding: 26px 0;
    border-top: 1px solid var(--line);
}

.log-list .log-item:last-child {
    border-bottom: 1px solid var(--line);
}

@media(max-width:600px) {
    .log-item {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}

.log-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--ink-soft);
    padding-top: 2px;
}

.log-body h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.log-body p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14.5px;
    max-width: 64ch;
}

.log-body a.readmore {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--accent);
    margin-top: 8px;
    display: inline-block;
}

/* ---------- CONTACT / FOOTER ---------- */
footer {
    border-top: 1px solid var(--line);
    background: var(--ink);
    color: #EDEEF2;
    padding: 80px 0 40px;
}

.contact-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 28px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-top h2 {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 700;
    color: #fff;
    max-width: 14ch;
}

.contact-top p {
    color: #9CA0AD;
    margin-top: 10px;
    font-size: 15px;
}

.btn-light {
    background: #fff;
    color: var(--ink);
}

.btn-light:hover {
    background: #EDEEF2;
}

.social-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
}

.social-chip {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 11px 18px;
    border-radius: var(--radius-chip);
    border: 1px solid rgba(255, 255, 255, 0.16);
    font-size: 14px;
    font-weight: 500;
    transition: border-color .15s ease, background .15s ease;
}

.social-chip:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.social-chip svg {
    width: 16px;
    height: 16px;
}

.foot-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 48px;
    font-size: 13px;
    color: #767B88;
}

.foot-bottom span.mono {
    font-family: 'JetBrains Mono', monospace;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    padding-left: 6px;
    padding-right: 6px;
    gap: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    color: var(--ink-soft);
    vertical-align: baseline;
    
    background-color: var(--accent);
    background: rgba(153, 206, 255, 0.342);
    border-radius: var(--radius-card);
}

.breadcrumb span:not(.sep) {
    color: var(--ink);
    font-weight: 500;
}

.breadcrumb .sep {
    color: var(--accent);
    font-weight: 800;
    opacity: .8;
}