@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600;700;800&display=swap');

:root, [data-theme="light"] {
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
    --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
    --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
    --text-hero: clamp(3.2rem, 1rem + 7vw, 7rem);
    --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-5: 1.25rem;
    --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem; --space-20: 5rem;
    --color-bg: #f5f7ff; --color-surface: #ffffff; --color-surface-2: #eef2ff; --color-border: #d9def8;
    --color-text: #1c2340; --color-text-muted: #5d688f; --color-text-faint: #9da6c7; --color-text-inverse: #fdfcff;
    --color-primary: #4f46e5; --color-primary-hover: #3f36cc; --color-primary-soft: #e7e7ff;
    --color-secondary: #06b6d4; --color-accent: #f59e0b; --color-accent-soft: #fff0cf;
    --radius-sm: 0.4rem; --radius-md: 0.7rem; --radius-lg: 1rem; --radius-xl: 1.4rem; --radius-full: 999px;
    --shadow-sm: 0 1px 2px rgba(54,32,120,.05); --shadow-md: 0 12px 30px rgba(83,52,171,.12);
    --content: 1120px;
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Inter', sans-serif;
}
[data-theme="dark"] {
    --color-bg: #0d1220; --color-surface: #12182a; --color-surface-2: #182035; --color-border: #2a3454;
    --color-text: #eef2ff; --color-text-muted: #aab7d6; --color-text-faint: #6f7c9d; --color-text-inverse: #0d1220;
    --color-primary: #7c89ff; --color-primary-hover: #a4adff; --color-primary-soft: #20284a;
    --color-secondary: #3dd3ee; --color-accent: #ffbe55; --color-accent-soft: #3b2b14;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.25); --shadow-md: 0 14px 34px rgba(0,0,0,.34);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    min-height: 100dvh; font-family: var(--font-body),sans-serif; font-size: var(--text-base); line-height: 1.65;
    background:
            radial-gradient(circle at top left, color-mix(in srgb, var(--color-primary) 10%, transparent), transparent 30%),
            radial-gradient(circle at top right, color-mix(in srgb, var(--color-secondary) 10%, transparent), transparent 28%),
            radial-gradient(circle at bottom right, color-mix(in srgb, var(--color-accent) 8%, transparent), transparent 25%),
            var(--color-bg); color: var(--color-text); -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
.container { width: min(calc(100% - 2rem), var(--content)); margin: 0 auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 1000; background: var(--color-primary); color: white; padding: .75rem 1rem; border-radius: var(--radius-md); }
.site-header {
    position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px);
    background: color-mix(in srgb, var(--color-bg) 85%, transparent);
    border-bottom: 1px solid var(--color-border);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
    min-height: 74px;
}
.brand { display: flex; align-items: center; gap: .9rem; }
.logo {
    width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 12%, var(--color-surface)), color-mix(in srgb, var(--color-secondary) 10%, var(--color-surface))); border: 1px solid var(--color-border);
    display: grid; place-items: center; box-shadow: var(--shadow-sm);
}
.brand-mark { width: 22px; height: 22px; color: var(--color-primary); }
.brand-text strong { display: block; font-size: var(--text-sm); }
.brand-text span { display: block; color: var(--color-text-muted); font-size: var(--text-xs); }
.nav { display: flex; align-items: center; gap: 1rem; }
.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-links a { font-size: var(--text-sm); color: var(--color-text-muted); }
.nav-links a:hover { color: var(--color-text); }
.theme-toggle {
    width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px;
    border: 1px solid var(--color-border); background: var(--color-surface);
    cursor: pointer; transition: background-color 0.2s ease;
}
.theme-toggle:hover {
    background: var(--color-surface-2);
}
.theme-toggle svg {
    stroke: var(--color-text);
    transition: stroke 0.2s ease;
}
.hero {
    padding: clamp(4rem, 8vw, 8rem) 0 clamp(3rem, 7vw, 6rem);
}
.hero-grid {
    display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 4vw, 4rem); align-items: center;
}
.eyebrow {
    display: inline-flex; align-items: center; gap: .5rem; padding: .55rem .9rem; border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary-soft), color-mix(in srgb, var(--color-secondary) 12%, var(--color-primary-soft))); color: var(--color-primary); font-size: var(--text-xs); font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
    margin-bottom: var(--space-5);
}
h1 {
    font-family: var(--font-display),sans-serif; font-size: var(--text-hero); line-height: .92; letter-spacing: -0.04em; max-width: 10ch;
    margin-bottom: var(--space-5);
}
.hero p {
    max-width: 58ch; color: var(--color-text-muted); margin-bottom: var(--space-8);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.btn {
    min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 1.1rem;
    border-radius: 14px; font-size: var(--text-sm); font-weight: 600; border: 1px solid var(--color-border);
}
.btn-primary { background: linear-gradient(135deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 70%, var(--color-secondary))); color: var(--color-text-inverse); border-color: transparent; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: var(--color-surface); }
.hero-card {
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-primary) 6%, var(--color-surface)), color-mix(in srgb, var(--color-secondary) 6%, var(--color-surface-2))); border: 1px solid var(--color-border);
    border-radius: 28px; padding: clamp(1.5rem, 3vw, 2rem); box-shadow: var(--shadow-md);
}
.terminal {
    border-radius: 22px; overflow: hidden; border: 1px solid var(--color-border); background: #111;
}
.terminal-top { display: flex; gap: .5rem; padding: .9rem 1rem; background: #1d1d1d; }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot:nth-child(1){ background:#ff5f57; } .dot:nth-child(2){ background:#febc2e; } .dot:nth-child(3){ background:#28c840; }
.terminal-body {
    padding: 1.25rem; color: #d8f8dc; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .95rem; line-height: 1.7;
}
.terminal-body .muted { color: #8dbd94; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-top: 1rem; }
.stat {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 18px; padding: 1rem;
}
.stat strong { display:block; font-size: var(--text-lg); }
.stat span { color: var(--color-text-muted); font-size: var(--text-xs); }
section { padding: clamp(3rem, 6vw, 6rem) 0; }
.section-head { margin-bottom: 1.5rem; }
.section-head h2 { font-size: var(--text-xl); line-height: 1.05; margin-bottom: .5rem; }
.section-head p { color: var(--color-text-muted); max-width: 64ch; }
.about-grid, .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.panel {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 24px; padding: clamp(1.25rem, 2vw, 1.7rem);
    box-shadow: var(--shadow-sm);
}
.panel h3 { font-size: var(--text-lg); margin-bottom: .7rem; }
.panel p { color: var(--color-text-muted); }
.chips { display:flex; flex-wrap:wrap; gap: .75rem; }
.chip {
    padding: .7rem .95rem; border-radius: var(--radius-full); background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 8%, var(--color-surface-2)), color-mix(in srgb, var(--color-secondary) 7%, var(--color-surface))); border: 1px solid var(--color-border);
    font-size: var(--text-sm); font-weight: 500;
}
.projects {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.project {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 24px; padding: 1.15rem;
    display: flex; flex-direction: column; gap: 1rem; min-height: 100%;
}
.project-visual {
    aspect-ratio: 16 / 10; border-radius: 18px; background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--color-primary) 38%, transparent), transparent 42%),
        radial-gradient(circle at bottom right, color-mix(in srgb, var(--color-accent) 30%, transparent), transparent 38%),
        linear-gradient(135deg, color-mix(in srgb, var(--color-secondary) 12%, var(--color-surface-2)), var(--color-surface));
    border: 1px solid var(--color-border);
    padding: 1rem; display: flex; align-items: end;
}
.project-visual span {
    font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-muted);
    padding: .45rem .65rem; border-radius: var(--radius-full); background: color-mix(in srgb, var(--color-bg) 75%, transparent);
    border: 1px solid var(--color-border);
}
.project h3 { font-size: 1.1rem; }
.project p { color: var(--color-text-muted); flex: 1; }
.project a { color: var(--color-primary); font-size: var(--text-sm); font-weight: 600; }
.contact-list { display: grid; gap: .9rem; }
.contact-item {
    display:flex; justify-content:space-between; gap:1rem; padding: 1rem 1.1rem; border-radius: 18px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--color-accent) 8%, var(--color-surface-2)), var(--color-surface)); border: 1px solid var(--color-border);
}
.contact-item span { color: var(--color-text-muted); font-size: var(--text-sm); }
footer {
    padding: 2rem 0 3rem; color: var(--color-text-muted); border-top: 1px solid var(--color-border);
}
@media (max-width: 960px) {
    .hero-grid, .about-grid, .contact-grid, .projects { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr 1fr 1fr; }
    .nav-links { display: none; }
    h1 { max-width: 12ch; }
}
@media (max-width: 640px) {
    .container { width: min(calc(100% - 1.25rem), var(--content)); }
    .stats { grid-template-columns: 1fr; }
    .header-inner { min-height: 68px; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    h1 { max-width: 12ch; }
}