:root {
    --ink: #161b22;
    --paper: #f6f7f9;
    --paper-dim: #eceef2;
    --line: #d7dbe2;
    --pass: #1f7a4d;
    --pass-bg: #e6f4ec;
    --progress: #b5590c;
    --progress-bg: #faeee0;
    --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

a {
    color: inherit;
}

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

.wrap {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */

header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(246, 247, 249, 0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
}

nav.wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    font-family: var(--mono);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.brand span {
    color: var(--pass);
}

.nav-links {
    display: none;
    gap: 28px;
    font-size: 0.92rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--ink);
    opacity: 0.75;
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    opacity: 1;
    border-bottom-color: var(--pass);
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
    content: '';
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    position: relative;
}

.nav-toggle {
    flex-direction: column;
    gap: 4px;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--ink);
    padding: 14px 24px;
    border-top: 1px solid var(--line);
    font-size: 0.95rem;
}

@media (min-width:720px) {
    .nav-links {
        display: flex;
    }

    .nav-toggle {
        display: none;
    }

    .mobile-menu {
        display: none !important;
    }
}

/* Terminal */

.hero {
    padding: 64px 0 48px;
}

.terminal {
    background: var(--ink);
    color: #e9ecf1;
    border-radius: 10px;
    padding: 22px 24px 26px;
    font-family: var(--mono);
    font-size: 0.88rem;
    box-shadow: 0 12px 30px -14px rgba(22, 27, 34, 0.45);
    overflow: hidden;
}

.terminal-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 14px;
}

.terminal-bar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #3a4149;
}

#typed-line {
    white-space: pre-wrap;
    word-break: break-word;
}

.cursor {
    display: inline-block;
    width: 8px;
    background: #e9ecf1;
    margin-left: 2px;
    animation: blink 1s steps(1) infinite;
}

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

.test-line {
    opacity: 0;
    transform: translateY(4px);
    animation: reveal 0.4s ease forwards;
}

.test-line.pass {
    color: #7ee2a8;
}

.test-line.summary {
    color: #e9ecf1;
    font-weight: 600;
    margin-top: 6px;
}

@keyframes reveal {
    to {
        opacity: 1;
        transform: none;
    }
}

.hero h1 {
    font-family: var(--mono);
    font-size: clamp(1.6rem, 4.5vw, 2.4rem);
    margin: 28px 0 6px;
    letter-spacing: -0.01em;
}

.hero p.tag {
    font-size: 1.05rem;
    color: #3d4550;
    max-width: 56ch;
    margin: 0 0 22px;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    font-family: var(--sans);
    font-size: 0.92rem;
    font-weight: 600;
    padding: 11px 18px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    border: 1px solid transparent;
}

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

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

/*  Sections  */
section {
    padding: 52px 0;
    border-top: 1px solid var(--line);
}

.eyebrow {
    font-family: var(--mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--pass);
    margin: 0 0 10px;
}

h2 {
    font-size: 1.5rem;
    margin: 0 0 18px;
}

p {
    margin: 0 0 14px;
    color: #333a42;
}

/* Skills as a test suite */
.suite {
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
}

.suite-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border-top: 1px solid var(--line);
    font-size: 0.94rem;
}

.suite-row:first-child {
    border-top: none;
}

.status {
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 5px;
    flex-shrink: 0;
    margin-top: 2px;
}

.status.pass {
    color: var(--pass);
    background: var(--pass-bg);
}

.status.progress {
    color: var(--progress);
    background: var(--progress-bg);
}

.suite-row .desc strong {
    display: block;
    margin-bottom: 2px;
}

.suite-row .desc span {
    color: #5b6470;
    font-size: 0.9rem;
}

/* Experience timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tl-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding-bottom: 18px;
    border-bottom: 1px dashed var(--line);
}

.tl-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.tl-date {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--pass);
}

.tl-role {
    font-weight: 600;
}

.tl-desc {
    color: #5b6470;
    font-size: 0.92rem;
}

@media(min-width:640px) {
    .tl-item {
        grid-template-columns: 140px 1fr;
        gap: 18px;
        align-items: baseline;
    }
}

/* Projects */
.projects {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
}

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

.card {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 18px;
    background: var(--paper-dim);
}

.card h3 {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.card p {
    font-size: 0.9rem;
    margin: 0 0 10px;
}

.card a {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--pass);
    text-decoration: none;
}

.card a:hover {
    text-decoration: underline;
}

footer {
    padding: 40px 0 60px;
    text-align: center;
    font-family: var(--mono);
    font-size: 0.85rem;
    color: #5b6470;
}

footer a {
    text-decoration: none;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
}

/* Continuous Learning */

.learning-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
@media(min-width:640px){
  .learning-grid{grid-template-columns:1fr 1fr 1fr;}
}

.learning-card{
  border:1px solid var(--line);
  border-radius:10px;
  padding:16px;
  background:var(--paper-dim);
}
.learning-card h3{
  font-size:0.95rem;
  margin:8px 0 4px;
}
.learning-status{
  font-family:var(--mono);
  font-size:0.72rem;
  font-weight:700;
  padding:3px 8px;
  border-radius:5px;
  display:inline-block;
}
.learning-status.pass{color:var(--pass); background:var(--pass-bg);}
.learning-status.progress{color:var(--progress); background:var(--progress-bg);}
.learning-provider{
  font-size:0.82rem;
  color:#5b6470;
}