:root {
    --bg-base: #05070d;
    --bg-elevated: rgba(13, 18, 32, 0.88);
    --bg-solid: #0e1426;
    --border: rgba(108, 153, 238, 0.22);
    --text-primary: #f3f6ff;
    --text-secondary: #c5cde3;
    --accent-blue: #6e9dff;
    --accent-teal: #36c2d8;
    --accent-amber: #f4b34f;
    --shadow-lg: 0 32px 60px rgba(6, 12, 32, 0.55);
    --radius-lg: 28px;
    --radius-md: 18px;
    --transition: all 0.3s ease;
    --font-body: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
      color: var(--text-secondary);
    background: linear-gradient(135deg, #020309 0%, var(--bg-base) 45%, #03040a 100%);
    padding: 34px 18px 60px;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 18% 15%, rgba(110, 157, 255, 0.16), transparent 45%),
        radial-gradient(circle at 80% 10%, rgba(54, 194, 216, 0.16), transparent 55%);
    opacity: 0.55;
    z-index: -2;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(140deg, rgba(136, 164, 230, 0.05) 0, rgba(136, 164, 230, 0.05) 1px, transparent 1px, transparent 120px);
    opacity: 0.34;
    z-index: -1;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

a:hover,
a:focus {
    color: var(--accent-teal);
}

.page-loader {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 16, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 1000;
}

.page-loader div {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-teal);
    animation: loader 0.75s infinite alternate ease-in-out;
}

.page-loader div:nth-child(2) { animation-delay: 0.18s; }
.page-loader div:nth-child(3) { animation-delay: 0.36s; }

@keyframes loader {
    from { transform: translateY(0); opacity: 0.35; }
    to { transform: translateY(-12px); opacity: 1; }
}

.page-loader.fade-out {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease;
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 7, 18, 0.75);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition);
    z-index: 40;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.main {
    max-width: 1180px;
    margin: 0 auto;
    transition: opacity 0.5s ease;
}

.hidden { opacity: 0; }

.section {
    margin-bottom: 68px;
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.section.panel {
    display: none;
}

.section.panel.active {
    display: block;
    animation: panelFade 0.45s ease;
}

@keyframes panelFade {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-inner {
    padding: 60px 64px;
}

.section-eyebrow {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid rgba(110, 157, 255, 0.28);
    background: rgba(110, 157, 255, 0.14);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 12px;
    color: var(--accent-blue);
}

.section-inner h2 {
    margin: 16px 0;
    color: var(--text-primary);
    font-size: clamp(32px, 4vw, 46px);
    line-height: 1.15;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    background: linear-gradient(120deg, var(--accent-blue), var(--accent-teal));
    color: #041120;
    box-shadow: 0 18px 32px rgba(110, 157, 255, 0.22);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus {
    background: linear-gradient(120deg, #5a8df8, #31bfd2);
    color: #041120;
    transform: translateY(-2px);
    box-shadow: 0 26px 40px rgba(110, 157, 255, 0.32);
}

.btn.btn-outline {
    background: transparent;
    color: var(--accent-teal);
    border: 1px solid rgba(57, 198, 217, 0.34);
    box-shadow: none;
}

.btn.btn-outline:hover,
.btn.btn-outline:focus {
    background: rgba(57, 198, 217, 0.18);
    color: var(--text-primary);
    border-color: rgba(57, 198, 217, 0.48);
}

.masthead {
    position: sticky;
    top: 12px;
    z-index: 60;
    margin-bottom: 32px;
}

.masthead-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
    border-radius: 999px;
    background: rgba(10, 14, 26, 0.85);
    border: 1px solid rgba(110, 157, 255, 0.24);
    backdrop-filter: blur(16px);
}

.brand {
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-primary);
    font-size: 18px;
}

.nav-panel ul {
    list-style: none;
    display: flex;
    gap: 16px;
    margin: 0;
    padding: 0;
}

.nav-link {
    padding: 9px 14px;
    border-radius: 999px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--text-primary);
    background: rgba(110, 157, 255, 0.18);
}

.cta {
    padding: 9px 16px;
    border-radius: 999px;
    border: 1px solid rgba(244, 179, 79, 0.32);
    color: var(--accent-amber);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(110, 157, 255, 0.3);
    background: rgba(10, 14, 26, 0.9);
    position: relative;
    cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    position: absolute;
    left: 50%;
    width: 18px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle span {
    top: 50%;
    transform: translate(-50%, -50%);
}

.nav-toggle span::before {
    content: "";
    transform: translate(-50%, -6px);
}

.nav-toggle span::after {
    content: "";
    transform: translate(-50%, 6px);
}

.nav-toggle.active span {
    background: transparent;
}

.nav-toggle.active span::before {
    transform: translate(-50%, 0) rotate(45deg);
}

.nav-toggle.active span::after {
    transform: translate(-50%, 0) rotate(-45deg);
}

.nav-panel.open {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: min(320px, 90vw);
    background: rgba(10, 14, 26, 0.95);
    border: 1px solid rgba(110, 157, 255, 0.28);
    border-radius: 24px;
    padding: 22px;
    box-shadow: 0 24px 50px rgba(6, 12, 32, 0.55);
}

.nav-panel.open ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 46px;
    align-items: center;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(110, 157, 255, 0.14);
    border: 1px solid rgba(110, 157, 255, 0.26);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 12px;
    color: var(--accent-blue);
}

.hero-summary h1 {
    margin: 20px 0;
    color: var(--text-primary);
    font-size: clamp(36px, 5vw, 54px);
    line-height: 1.12;
}

.hero-bio { margin-bottom: 22px; }

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}

.metric {
    padding: 18px 18px;
    border-radius: var(--radius-md);
    background: rgba(11, 17, 32, 0.86);
    border: 1px solid rgba(110, 157, 255, 0.2);
    text-align: center;
    box-shadow: 0 18px 34px rgba(5, 12, 30, 0.45);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.metric:hover {
    transform: translateY(-6px);
    border-color: rgba(54, 194, 216, 0.38);
}

.metric-value { display: block; font-size: 24px; font-weight: 600; color: var(--accent-teal); margin-bottom: 4px; }
.metric-label { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }

.hero-contact {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
}

.hero-contact li {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(10, 16, 30, 0.86);
    border: 1px solid rgba(110, 157, 255, 0.18);
    box-shadow: 0 18px 30px rgba(5, 12, 30, 0.45);
}

.hero-contact i { color: var(--accent-teal); font-size: 14px; }

.hero-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.profile-card {
    width: min(320px, 92%);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(54, 194, 216, 0.28);
    box-shadow: 0 28px 54px rgba(6, 14, 34, 0.55);
    animation: floatCard 8s ease-in-out infinite alternate;
}

@keyframes floatCard {
    from { transform: translateY(0); }
    to { transform: translateY(-12px); }
}

.profile-note {
    padding: 18px 20px;
    border-radius: var(--radius-md);
    background: rgba(10, 16, 30, 0.9);
    border: 1px solid rgba(244, 179, 79, 0.26);
    font-size: 14px;
    text-align: center;
}

.xp-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.68fr) minmax(0, 1.32fr);
    gap: 24px;
}

.xp-card {
    margin-bottom: 18px;
    padding: 24px 22px;
    border-radius: var(--radius-md);
    background: var(--bg-solid);
    border: 1px solid var(--border);
    box-shadow: 0 18px 32px rgba(6, 12, 30, 0.42);
}

.xp-card h2 {
    margin: 0 0 12px;
    color: var(--text-primary);
    font-size: 18px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.xp-card ul {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
}

.xp-card ul.bullet {
    list-style: disc;
    padding-left: 20px;
}

.xp-card ul li strong { display: block; color: var(--text-primary); }
.xp-card ul li span { display: block; font-size: 13px; letter-spacing: 0.04em; color: rgba(197, 206, 228, 0.72); }

.xp-timeline { display: grid; gap: 24px; }

.xp-entry {
    padding: 24px 26px;
    border-radius: var(--radius-md);
    background: var(--bg-solid);
    border: 1px solid var(--border);
    box-shadow: 0 18px 32px rgba(6, 12, 30, 0.44);
}

.xp-period { display: block; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(198, 206, 228, 0.7); margin-bottom: 6px; }
.xp-entry h3 { margin: 0; color: var(--text-primary); font-size: 20px; }
.xp-entry ul { margin: 18px 0 0; padding-left: 18px; display: grid; gap: 8px; }

.stack-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.stack-column { padding: 24px 24px; border-radius: var(--radius-md); background: var(--bg-solid); border: 1px solid var(--border); box-shadow: 0 18px 32px rgba(6, 12, 30, 0.42); }
.stack-column h3 { margin: 0 0 12px; color: var(--text-primary); font-size: 18px; }
.stack-column ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; }

.projects-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.project-card { padding: 24px 24px; border-radius: var(--radius-md); background: var(--bg-solid); border: 1px solid var(--border); box-shadow: 0 18px 32px rgba(6, 12, 30, 0.42); display: flex; flex-direction: column; gap: 16px; }
.project-card h3 { margin: 0; color: var(--text-primary); font-size: 22px; }
.bullet-inline { list-style: none; margin: 0; padding: 0; display: flex; gap: 10px; flex-wrap: wrap; }
.bullet-inline li { padding: 6px 12px; border-radius: 12px; background: rgba(110, 157, 255, 0.16); color: var(--accent-blue); font-size: 13px; }
.case-link { color: var(--accent-amber); font-weight: 600; }
.case-link:hover { color: var(--text-primary); }

.contact-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 24px; }
.contact-card, .contact-form { padding: 28px 28px; border-radius: var(--radius-md); background: var(--bg-solid); border: 1px solid var(--border); box-shadow: 0 18px 32px rgba(6, 12, 30, 0.42); }
.contact-card h2 { margin: 12px 0; color: var(--text-primary); font-size: 26px; }
.contact-info { list-style: none; margin: 24px 0; padding: 0; display: grid; gap: 12px; }
.contact-info span { display: block; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(198, 206, 228, 0.72); margin-bottom: 4px; }
.contact-info p { margin: 0; }

.contact-social { display: flex; gap: 12px; }
.pill { width: 44px; height: 44px; border-radius: 14px; border: 1px solid rgba(110, 157, 255, 0.28); background: rgba(10, 15, 28, 0.9); display: inline-flex; align-items: center; justify-content: center; color: var(--accent-teal); transition: var(--transition); }
.pill:hover { transform: translateY(-3px); background: linear-gradient(120deg, var(--accent-blue), var(--accent-teal)); color: #041226; }

.contact-form form { display: flex; flex-direction: column; gap: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.input-group { display: flex; flex-direction: column; gap: 10px; }
.input-group-full { grid-column: 1 / -1; }
.input-group label { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(198, 206, 228, 0.72); }
.input-control { background: rgba(9, 15, 30, 0.88); border: 1px solid rgba(110, 157, 255, 0.24); border-radius: 16px; padding: 14px 16px; color: var(--text-primary); transition: var(--transition); }
.input-control:focus { outline: none; border-color: rgba(54, 194, 216, 0.38); box-shadow: 0 0 0 4px rgba(54, 194, 216, 0.18); }
textarea.input-control { min-height: 150px; resize: vertical; }
.submit-btn { display: flex; justify-content: flex-end; }

@media (max-width: 1080px) {
    body { padding: 28px 16px 48px; }
    .section-inner { padding: 52px 46px; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-profile { order: -1; }
    .stack-grid, .projects-grid, .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .masthead-inner { padding: 12px 18px; }
    .nav-panel { display: none; }
    .nav-panel.open { display: block; }
    .nav-toggle { display: block; }
    .hero-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .xp-grid { grid-template-columns: 1fr; }
    .stack-grid, .projects-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-contact { flex-direction: column; align-items: stretch; }
}

@media (max-width: 620px) {
    body { padding: 22px 12px 40px; }
    .section-inner { padding: 40px 24px; }
    .hero-metrics { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; }
}