:root {
    --bg: #0b0f14;
    --bg-soft: #0f1620;
    --surface: #131b26;
    --surface-2: #182232;
    --border: #232f3f;
    --text: #cdd6e0;
    --text-dim: #7c8ba1;
    --text-faint: #51606f;
    --amber: #e3a857;
    --amber-soft: #e3a85722;
    --green: #7ec699;
    --blue: #6fa8dc;
    --red: #d9706b;
    --mono: "JetBrains Mono", monospace;
    --sans: "Inter", sans-serif;
    --radius: 8px;
    --maxw: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.6;
    background-image:
        radial-gradient(circle at 15% 10%, #e3a85710, transparent 40%),
        radial-gradient(circle at 85% 0%, #6fa8dc0c, transparent 40%);
    background-attachment: fixed;
}

::selection {
    background: var(--amber-soft);
    color: var(--amber);
}

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

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

.eyebrow {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--amber);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    letter-spacing: 0.02em;
}

.eyebrow::before {
    content: "//";
    color: var(--text-faint);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-faint);
}

/* ===== NAV ===== */
header.top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: #0b0f14cc;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

nav {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 28px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-family: var(--mono);
    font-weight: 700;
    font-size: 16px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand .dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    flex-shrink: 0;
}

.navlinks {
    display: flex;
    gap: 32px;
    list-style: none;
    font-family: var(--mono);
    font-size: 14px;
}

.navlinks a {
    color: var(--text-dim);
    position: relative;
    padding: 4px 0;
    transition: color .2s;
}

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

.navlinks a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--amber);
    transition: width .25s;
}

.navlinks a:hover::after {
    width: 100%;
}

.navtoggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.navtoggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 64px;
    position: relative;
    overflow: hidden;
}

.hero .wrap {
    display: grid;
    grid-template-columns: 1.1fr 0.8fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-greeting {
    font-family: var(--mono);
    color: var(--text-dim);
    font-size: 15px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-greeting .blink {
    display: inline-block;
    width: 9px;
    height: 18px;
    background: var(--amber);
    animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero h1 {
    font-family: var(--mono);
    font-size: clamp(34px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 18px;
}

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

.hero h1 .accent2 {
    color: var(--green);
}

.hero p.lede {
    font-size: 17px;
    color: var(--text-dim);
    max-width: 540px;
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 600;
    padding: 13px 26px;
    border-radius: var(--radius);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform .2s, background .2s, border-color .2s, color .2s;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--amber);
    color: #1a1206;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #f0b86a;
}

.btn-ghost {
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: var(--text-faint);
    transform: translateY(-2px);
}

/* terminal card in hero */
.term {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 30px 60px -20px #000a;
}

.term-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
}

.term-bar .tdot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.term-bar .tdot:nth-child(1) {
    background: #e6685c;
}

.term-bar .tdot:nth-child(2) {
    background: #e3b450;
}

.term-bar .tdot:nth-child(3) {
    background: #69c97e;
}

.term-bar .tname {
    margin-left: 8px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-faint);
}

.term-body {
    padding: 20px 22px;
    font-family: var(--mono);
    font-size: 13.5px;
    color: var(--text-dim);
}

.term-body .ln {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.term-body .ln:last-child {
    margin-bottom: 0;
}

.term-body .prompt {
    color: var(--green);
    flex-shrink: 0;
}

.term-body .key {
    color: var(--blue);
}

.term-body .str {
    color: var(--amber);
}

.term-body .com {
    color: var(--text-faint);
}

/* ===== SECTION GENERIC ===== */
section {
    padding: 110px 0;
}

.section-head {
    margin-bottom: 56px;
}

.section-title {
    font-family: var(--mono);
    font-size: clamp(26px, 3.4vw, 36px);
    font-weight: 700;
    color: #fff;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 56px;
    align-items: start;
}

.avatar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    text-align: center;
}

.avatar-ring {
    width: 140px;
    height: 140px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--surface-2);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.avatar-ring::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 50%;
    border: 1px dashed var(--text-faint);
    opacity: .4;
}

.avatar-ring svg {
    width: 70px;
    height: 70px;
    color: var(--text-faint);
}

.avatar-card h3 {
    font-family: var(--mono);
    color: #fff;
    font-size: 17px;
    margin-bottom: 6px;
}

.avatar-card .role {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 18px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--green);
    background: #7ec69915;
    border: 1px solid #7ec69930;
    padding: 6px 12px;
    border-radius: 100px;
}

.status-pill .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
}

.about-text p {
    color: var(--text-dim);
    margin-bottom: 18px;
    font-size: 15.5px;
}

.about-text strong {
    color: var(--text);
    font-weight: 600;
}

.fact-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.fact {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
}

.fact .num {
    font-family: var(--mono);
    font-size: 26px;
    font-weight: 700;
    color: var(--amber);
}

.fact .label {
    font-size: 12.5px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ===== SKILLS — IDE EXPLORER STYLE ===== */
#skills {
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
}

.ide {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 480px;
}

.ide-bar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
}

.ide-bar .tdot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.ide-bar .tdot:nth-child(1) {
    background: #e6685c;
}

.ide-bar .tdot:nth-child(2) {
    background: #e3b450;
}

.ide-bar .tdot:nth-child(3) {
    background: #69c97e;
}

.ide-bar .tname {
    margin-left: 8px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-faint);
}

.ide-tree {
    border-right: 1px solid var(--border);
    padding: 18px 0;
}

.tree-group {
    margin-bottom: 4px;
}

.tree-label {
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: 10px 18px 6px;
}

.tree-item {
    font-family: var(--mono);
    font-size: 13.5px;
    color: var(--text-dim);
    padding: 9px 18px 9px 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 9px;
    border-left: 2px solid transparent;
    transition: background .15s, color .15s;
    position: relative;
}

.tree-item .level-dot {
    position: absolute;
    left: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.tree-item:hover {
    background: var(--surface-2);
    color: var(--text);
}

.tree-item.active {
    background: var(--amber-soft);
    color: var(--amber);
    border-left-color: var(--amber);
}

.ide-panel {
    padding: 32px 36px;
}

.skill-block {
    display: none;
}

.skill-block.active {
    display: block;
    animation: fadein .25s ease;
}

@keyframes fadein {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.skill-block h3 {
    font-family: var(--mono);
    font-size: 20px;
    color: #fff;
    margin-bottom: 6px;
}

.skill-block .lvl-line {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
}

.lvl-tag {
    font-family: var(--mono);
    font-size: 11.5px;
    padding: 4px 10px;
    border-radius: 100px;
    font-weight: 600;
}

.lvl-tag.expert {
    background: #7ec69920;
    color: var(--green);
    border: 1px solid #7ec69940;
}

.lvl-tag.solid {
    background: #6fa8dc20;
    color: var(--blue);
    border: 1px solid #6fa8dc40;
}

.lvl-tag.basic {
    background: #e3a85720;
    color: var(--amber);
    border: 1px solid #e3a85740;
}

.lvl-tag.learning {
    background: #d9706b20;
    color: var(--red);
    border: 1px solid #d9706b40;
}

.skill-block p {
    color: var(--text-dim);
    font-size: 15px;
    margin-bottom: 14px;
}

.skill-block ul {
    list-style: none;
    margin-top: 16px;
}

.skill-block ul li {
    font-size: 14px;
    color: var(--text-dim);
    padding: 7px 0 7px 22px;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.skill-block ul li:last-child {
    border-bottom: none;
}

.skill-block ul li::before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--amber);
    font-weight: 700;
}

.skill-block ul li strong {
    color: var(--text);
}

/* ===== SERVICES ===== */
#services {
    border-top: 1px solid var(--border);
}

.svc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.svc-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 30px 26px;
    transition: transform .25s, border-color .25s;
}

.svc-card:hover {
    transform: translateY(-6px);
    border-color: var(--amber);
}

.svc-num {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-faint);
    margin-bottom: 16px;
}

.svc-card h3 {
    font-family: var(--mono);
    font-size: 18px;
    color: #fff;
    margin-bottom: 12px;
}

.svc-card p {
    font-size: 14px;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.svc-card a.svc-link {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--amber);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.svc-card a.svc-link.disabled {
    color: var(--text-faint);
    pointer-events: none;
}

/* ===== CONTACT ===== */
#contact {
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}

.contact-grid p.intro {
    color: var(--text-dim);
    margin-bottom: 26px;
    font-size: 15.5px;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--mono);
    font-size: 14.5px;
    color: var(--text);
    margin-bottom: 16px;
}

.contact-row .ic {
    color: var(--amber);
    flex-shrink: 0;
}

.social-row {
    display: flex;
    gap: 14px;
    margin-top: 26px;
}

.social-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    transition: border-color .2s, color .2s, transform .2s;
}

.social-btn:hover {
    border-color: var(--amber);
    color: var(--amber);
    transform: translateY(-3px);
}

.social-btn svg {
    width: 19px;
    height: 19px;
}

.contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px;
}

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-faint);
    margin-bottom: 8px;
}

.field input,
.field textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 14px;
    color: var(--text);
    font-family: var(--sans);
    font-size: 14px;
    outline: none;
    transition: border-color .2s;
}

.field input:focus,
.field textarea:focus {
    border-color: var(--amber);
}

.field textarea {
    resize: vertical;
    min-height: 110px;
}

footer {
    border-top: 1px solid var(--border);
    padding: 26px 0;
    text-align: center;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--text-faint);
}

footer a {
    color: var(--text-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 880px) {
    .hero .wrap {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .fact-row {
        grid-template-columns: 1fr;
    }

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

    .ide-tree {
        border-right: none;
        border-bottom: 1px solid var(--border);
        display: flex;
        flex-wrap: wrap;
        padding: 14px;
        gap: 4px;
    }

    .tree-group {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        align-items: center;
    }

    .tree-label {
        width: 100%;
        padding: 4px 4px;
    }

    .tree-item {
        padding: 8px 12px 8px 22px;
        border-left: none;
        border-radius: 6px;
    }

    .tree-item.active {
        border-left: none;
    }

    .tree-item .level-dot {
        left: 8px;
    }

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

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

@media (max-width: 620px) {
    .navlinks {
        position: fixed;
        top: 64px;
        right: -100%;
        width: min(280px, 80vw);
        height: calc(100vh - 64px);
        background: var(--bg-soft);
        border-left: 1px solid var(--border);
        flex-direction: column;
        padding: 30px 24px;
        gap: 22px;
        transition: right .3s ease;
    }

    .navlinks.open {
        right: 0;
    }

    .navtoggle {
        display: flex;
    }

    section {
        padding: 70px 0;
    }
}