:root {
    --bg: #0b0d12;
    --bg-grad: radial-gradient(1200px 600px at 50% -10%, rgba(94, 234, 212, 0.08), transparent 60%),
               radial-gradient(900px 500px at 80% 110%, rgba(129, 140, 248, 0.07), transparent 60%);
    --surface: #141821;
    --surface-2: #1c2230;
    --surface-3: #232b3d;
    --border: #262d3d;
    --border-hi: #34405a;
    --text: #e6e8ee;
    --text-dim: #8a92a6;
    --text-faint: #5b6478;
    --accent: #5eead4;
    --accent-2: #818cf8;
    --accent-glow: rgba(94, 234, 212, 0.25);
    --danger: #f87171;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 22px;
    --shadow-1: 0 1px 0 rgba(255,255,255,0.04) inset, 0 8px 24px rgba(0,0,0,0.35);
    --shadow-2: 0 1px 0 rgba(255,255,255,0.06) inset, 0 12px 40px rgba(0,0,0,0.5);
    --transition: 150ms cubic-bezier(.2,.7,.3,1);
    --max-w: 460px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', 'Twemoji Mozilla';
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace, 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji';
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    min-height: 100dvh;
    background-image: var(--bg-grad);
    background-attachment: fixed;
}

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

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    cursor: pointer;
}

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 6px;
}

/* Layout */
.page {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 20px 20px 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    isolation: isolate;
}

/* Animated mesh background — sits behind header, hero, and actions, then fades out */
.mesh-bg {
    position: absolute;
    top: 0;
    left: calc(50% - 50vw);
    width: 100vw;
    height: 540px;
    pointer-events: none;
    z-index: -1;
    -webkit-mask-image: linear-gradient(to bottom,
        rgba(0,0,0,0.0)  0%,
        rgba(0,0,0,0.55) 6%,
        rgba(0,0,0,1.0)  18%,
        rgba(0,0,0,1.0)  60%,
        rgba(0,0,0,0.85) 75%,
        rgba(0,0,0,0.45) 86%,
        rgba(0,0,0,0.0)  100%);
            mask-image: linear-gradient(to bottom,
        rgba(0,0,0,0.0)  0%,
        rgba(0,0,0,0.55) 6%,
        rgba(0,0,0,1.0)  18%,
        rgba(0,0,0,1.0)  60%,
        rgba(0,0,0,0.85) 75%,
        rgba(0,0,0,0.45) 86%,
        rgba(0,0,0,0.0)  100%);
}
.mesh-canvas {
    width: 100%;
    height: 100%;
    display: block;
    filter: blur(0.3px);
}
.mesh-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 220px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    -webkit-mask-image: linear-gradient(to bottom,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0.5) 45%,
        rgba(0,0,0,0.9) 70%,
        rgba(0,0,0,0) 100%);
            mask-image: linear-gradient(to bottom,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,0.5) 45%,
        rgba(0,0,0,0.9) 70%,
        rgba(0,0,0,0) 100%);
}

/* Header */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 2px;
}
.site-header .brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text);
}

/* Language switch */
.lang-switch {
    display: inline-flex;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px;
    gap: 2px;
}
.lang-switch a {
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    transition: var(--transition);
}
.lang-switch a:hover { color: var(--text); }
.lang-switch a.is-active {
    background: var(--surface-2);
    color: var(--text);
}

/* Hero */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 16px 8px;
    position: relative;
}
.hero .avatar {
    width: 128px;
    height: 128px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--surface-2);
    box-shadow:
        0 0 0 4px var(--bg),
        0 0 0 5px var(--border-hi),
        0 0 60px var(--accent-glow);
    margin-bottom: 18px;
}
.hero .avatar.placeholder {
    display: grid;
    place-items: center;
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 36px;
    letter-spacing: 0.05em;
}
.hero h1 {
    margin: 0 0 4px;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.hero .title {
    margin: 4px 0 0;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    max-width: 360px;
}
.hero .bio {
    margin: 14px 0 0;
    color: var(--text);
    font-size: 14px;
    max-width: 340px;
}
.hero .tags {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 11px;
}
.hero .tag {
    padding: 4px 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--accent);
}

/* vCard update nudge */
.vcard-update-notice[hidden] { display: none; }
.vcard-update-notice {
    margin-bottom: -8px;
}
.vcard-update-notice a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: linear-gradient(180deg, rgba(94,234,212,0.10), rgba(94,234,212,0.04));
    border: 1px solid rgba(94, 234, 212, 0.32);
    border-radius: var(--radius);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--accent);
    transition: var(--transition);
}
.vcard-update-notice a:hover {
    background: linear-gradient(180deg, rgba(94,234,212,0.16), rgba(94,234,212,0.06));
    border-color: rgba(94, 234, 212, 0.5);
}
.vcard-update-notice .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    flex: 0 0 auto;
    animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(0.85); }
}

/* Action stack */
.actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition);
    min-height: 80px;
    text-align: center;
}
.action-btn:hover {
    background: var(--surface-2);
    border-color: var(--border-hi);
    transform: translateY(-1px);
}
.action-btn .icon {
    width: 22px; height: 22px;
    color: var(--accent);
}
.action-btn.primary { background: linear-gradient(180deg, rgba(94,234,212,0.12), rgba(94,234,212,0.04)); border-color: rgba(94,234,212,0.3); }
.action-btn.primary .icon { color: var(--accent); }
.action-btn.accent-2 .icon { color: var(--accent-2); }

/* Contact list */
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.contact-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    min-height: 60px;
}
.contact-btn:hover {
    background: var(--surface-2);
    border-color: var(--border-hi);
    transform: translateX(2px);
}
.contact-btn .icon-wrap {
    flex: 0 0 auto;
    width: 38px; height: 38px;
    display: grid;
    place-items: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--accent);
}
.contact-btn .icon-wrap svg { width: 18px; height: 18px; }
.contact-btn .icon-wrap--img {
    background: transparent;
    border: 0;
    padding: 0;
    overflow: hidden;
    border-radius: 9px;
}
.contact-btn .icon-wrap--img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.contact-btn .text {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: baseline;
    gap: 12px;
}
.contact-btn .label {
    flex: 0 0 auto;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-faint);
}
.contact-btn .value {
    flex: 1;
    min-width: 0;
    color: var(--text);
    font-weight: 500;
    font-size: 15px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: right;
}
.contact-btn .arrow {
    color: var(--text-faint);
    transition: var(--transition);
}
.contact-btn:hover .arrow { color: var(--accent); transform: translateX(2px); }

/* Socials */
.socials {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}
.socials .label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-faint);
}
.socials .row {
    display: flex;
    gap: 10px;
}
.social-btn {
    width: 44px; height: 44px;
    display: grid;
    place-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-dim);
    transition: var(--transition);
}
.social-btn:hover {
    background: var(--surface-2);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}
.social-btn svg { width: 18px; height: 18px; }

/* Footer */
.site-footer {
    margin-top: 16px;
    text-align: center;
    color: var(--text-faint);
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.site-footer .links {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.site-footer .links a:hover { color: var(--text-dim); }

/* QR / Share modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(5, 7, 11, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 100;
}
.modal.is-open { display: flex; }
.modal-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-2);
    text-align: center;
    animation: pop 200ms cubic-bezier(.2,.8,.3,1);
}
@keyframes pop {
    from { opacity: 0; transform: translateY(8px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal h2 { margin: 0 0 4px; font-size: 18px; }
.modal .sub { margin: 0 0 18px; color: var(--text-dim); font-size: 13px; }
.qr-canvas {
    display: inline-block;
    padding: 14px;
    background: #fff;
    border-radius: var(--radius);
    margin: 0 auto 18px;
}
.qr-canvas canvas, .qr-canvas img { display: block; }
.share-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}
.share-action {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    padding: 12px 6px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}
.share-action:hover {
    background: var(--surface-3);
    border-color: var(--border-hi);
    color: var(--accent);
}
.share-action svg { width: 18px; height: 18px; }
.share-link {
    width: 100%;
    padding: 10px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 12px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.modal-close {
    position: absolute;
    top: 14px; right: 14px;
    width: 32px; height: 32px;
    display: grid;
    place-items: center;
    color: var(--text-faint);
    border-radius: 8px;
}
.modal-close:hover { color: var(--text); background: var(--surface-2); }
.modal-card { position: relative; }

/* Toast */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--surface);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-2);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    z-index: 200;
}
.toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Small screens */
@media (max-width: 380px) {
    .actions { gap: 8px; }
    .action-btn { padding: 12px 6px; min-height: 72px; font-size: 11px; }
    .hero h1 { font-size: 22px; }
    .hero .avatar { width: 110px; height: 110px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}