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

:root {
    --bg: #f0f0ee;
    --grid-color: rgba(0,0,0,0.04);
    --grid-size: 32px;
    --card-bg: rgba(255,255,255,0.72);
    --card-border: rgba(0,0,0,0.06);
    --text-primary: #1a1a1a;
    --text-secondary: #6b6b6b;
    --text-tertiary: #9a9a9a;
    --accent: #8b5cf6;
    --telegram-blue: #2AABEE;
    --email-orange: #f97316;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 0 0 0.5px rgba(0,0,0,0.03);
    --radius: 24px;
    --transition: cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 300;
    background: var(--bg);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: var(--grid-size) var(--grid-size);
    background-position: center center;
    z-index: 0;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, transparent 30%, var(--bg) 80%);
    z-index: 0;
    pointer-events: none;
}

.container {
    max-width: 768px;
    margin: 0 auto;
    padding: 48px 20px 32px;
    position: relative;
    z-index: 1;
}

/* ========== Profile ========== */
.profile-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 36px;
    opacity: 0;
    transform: translateY(16px);
    animation: fadeInUp 0.9s var(--transition) 0.1s forwards;
}

.avatar-wrapper {
    position: relative;
    margin-bottom: 20px;
}

.avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
    cursor: default;
}

.avatar-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1.5px solid var(--card-border);
    animation: ringPulse 3s ease-in-out infinite;
}

.profile-name {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.profile-bio {
    font-size: 15px;
    font-weight: 300;
    color: var(--text-secondary);
    text-align: center;
    max-width: 400px;
    line-height: 1.6;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    padding: 6px 14px;
    background: #f0fdf4;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 400;
    color: #16a34a;
    border: 1px solid #dcfce7;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
}

/* ========== Grid ========== */
.moe-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

/* ========== Card ========== */
.moe-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius);
    padding: 26px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.6);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(24px) scale(0.98);
    filter: blur(6px);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    will-change: opacity, transform, filter;
}

.moe-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0px);
    transition: opacity 0.8s var(--transition), transform 0.8s var(--transition), filter 0.8s var(--transition);
}

.moe-card.full { grid-column: span 2; }

/* ========== Ripple ========== */
.ripple-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.06);
    transform: scale(0);
    animation: googleRipple 0.5s ease-out forwards;
    pointer-events: none;
    z-index: 2;
}

@keyframes googleRipple {
    0% { transform: scale(0); opacity: 0.4; }
    100% { transform: scale(1); opacity: 0; }
}

/* ========== Shared ========== */
.card-icon-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.card-label {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ========== About ========== */
.card-about { min-height: 130px; }
.card-about .card-icon { background: rgba(139,92,246,0.08); color: var(--accent); }

.card-about .about-text {
    font-size: 16px;
    font-weight: 300;
    line-height: 1.7;
    color: var(--text-secondary);
}

.card-about .about-text strong {
    font-weight: 500;
    color: var(--text-primary);
}

/* ========== Arrow ========== */
.card-arrow {
    position: absolute;
    right: 16px;
    top: 16px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.4;
}

/* ========== Telegram ========== */
.card-telegram .card-icon { background: rgba(42,171,238,0.08); color: var(--telegram-blue); }
.card-telegram .card-title { font-size: 18px; font-weight: 500; margin-top: 14px; margin-bottom: 4px; }
.card-telegram .card-handle { font-size: 14px; font-weight: 300; color: var(--telegram-blue); }
.card-telegram .card-arrow { color: var(--telegram-blue); }

/* ========== Email ========== */
.card-email .card-icon { background: rgba(249,115,22,0.08); color: var(--email-orange); }
.card-email .card-title { font-size: 18px; font-weight: 500; margin-top: 14px; margin-bottom: 4px; }
.card-email .card-handle { font-size: 13px; font-weight: 300; color: var(--email-orange); word-break: break-all; }
.card-email .card-arrow { color: var(--email-orange); }

/* ========== Location ========== */
.card-location {
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 28px 20px;
}

.location-pin { font-size: 34px; margin-bottom: 10px; animation: bounce 2.5s ease-in-out infinite; }
.location-city { font-size: 18px; font-weight: 500; }
.location-country { font-size: 12px; font-weight: 300; color: var(--text-tertiary); margin-top: 2px; }

/* ========== Time ========== */
.card-time {
    align-items: center;
    justify-content: center;
    text-align: center;
}

.time-display { font-size: 38px; font-weight: 200; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.time-label { font-size: 11px; font-weight: 400; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }
.time-colon { animation: blink 1s step-end infinite; }

/* ========== Tech Stack ========== */
.card-stack .card-icon { background: rgba(139,92,246,0.08); color: var(--accent); }
.stack-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.stack-tag {
    padding: 8px 16px;
    border-radius: 12px;
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--card-border);
    font-size: 13px;
    font-weight: 400;
    color: var(--text-secondary);
}

/* ========== Toast ========== */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--text-primary);
    color: #fff;
    padding: 12px 24px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 400;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    z-index: 1000;
    opacity: 0;
    transition: all 0.5s var(--transition);
    pointer-events: none;
    white-space: nowrap;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ========== Footer ========== */
footer {
    text-align: center;
    padding: 20px;
    position: relative;
    z-index: 1;
    opacity: 0;
    animation: fadeInUp 0.8s var(--transition) 0.6s forwards;
}

footer p { font-size: 13px; font-weight: 300; color: var(--text-tertiary); }

/* ========== Animations ========== */
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }
@keyframes ringPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.08); opacity: 0.4; } }
@keyframes statusPulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.85); } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

@media (max-width: 540px) {
    .container { padding: 32px 14px 24px; }
    .moe-grid { gap: 12px; }
    .moe-card { padding: 22px; border-radius: 20px; }
    .profile-name { font-size: 24px; }
    .time-display { font-size: 28px; }
    .card-telegram .card-title, .card-email .card-title { font-size: 16px; }
    .card-arrow { right: 14px; top: 14px; width: 28px; height: 28px; }
}