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

:root {
    --pink: #f8a4c8;
    --pink-light: #fce4f0;
    --pink-dark: #d47fa6;
    --purple: #c4a8e8;
    --purple-light: #e8dff5;
    --purple-dark: #9b7ec8;
    --bg: #fdf2f8;
    --bg-card: rgba(255, 255, 255, 0.7);
    --text: #4a3347;
    --text-light: #8a7088;
    --shadow: 0 8px 32px rgba(216, 127, 166, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.7;
}

/* ====== Particles ====== */
.bg-particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    bottom: -10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    opacity: 0.25;
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.15;
    }
    100% {
        transform: translateY(-110vh) scale(0.3);
        opacity: 0;
    }
}

/* ====== Navbar ====== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3rem;
    background: rgba(253, 242, 248, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(248, 164, 200, 0.15);
    transition: box-shadow 0.4s ease;
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(216, 127, 166, 0.1);
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--pink-dark), var(--purple-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 4px;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--pink), var(--purple));
    border-radius: 2px;
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* ====== Hero ====== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(ellipse at 50% 30%, rgba(248, 164, 200, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 80%, rgba(196, 168, 232, 0.1) 0%, transparent 60%);
}

.hero-content {
    text-align: center;
    animation: heroFadeIn 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.avatar {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    cursor: pointer;
}

.avatar:hover .avatar-inner {
    transform: scale(1.05);
}

.avatar:active .avatar-inner {
    transform: scale(0.95);
}

.avatar-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    font-weight: 700;
    color: white;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.avatar-inner img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

.avatar-inner.large {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

.avatar-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--pink), var(--purple)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: ringRotate 6s linear infinite;
}

@keyframes ringRotate {
    to {
        transform: rotate(360deg);
    }
}

.hero-title {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    background: linear-gradient(135deg, var(--pink-dark), var(--purple-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 300;
}

.scroll-hint {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: hintBounce 2.5s ease-in-out infinite;
}

.scroll-hint span {
    font-size: 0.8rem;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--pink);
    border-bottom: 2px solid var(--pink);
    transform: rotate(45deg);
}

@keyframes hintBounce {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    50% {
        transform: translateY(10px);
        opacity: 1;
    }
}

/* ====== Sections ====== */
.section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 5rem 2rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--pink), var(--purple));
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.section:hover .section-title::after {
    width: 80px;
}

/* ====== Link Cards ====== */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
    border: 1px solid rgba(248, 164, 200, 0.12);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.4s ease;
    cursor: pointer;
}

.link-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 16px 48px rgba(216, 127, 166, 0.2);
}

.link-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(
        135deg,
        hsl(var(--hue, 330), 60%, 80%),
        hsl(calc(var(--hue, 330) + 40), 50%, 75%)
    );
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.link-card:hover .link-icon {
    transform: scale(1.1) rotate(-3deg);
}

.link-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
    transition: color 0.3s ease;
}

.link-card:hover .link-info h3 {
    color: var(--pink-dark);
}

.link-info p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ====== About ====== */
.about-card {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(248, 164, 200, 0.12);
    backdrop-filter: blur(10px);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-card:hover {
    transform: translateY(-4px);
}

.about-avatar {
    flex-shrink: 0;
}

.about-text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.6rem;
}

.about-text p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
    font-size: 0.8rem;
    background: linear-gradient(135deg, rgba(248, 164, 200, 0.15), rgba(196, 168, 232, 0.15));
    color: var(--purple-dark);
    border: 1px solid rgba(196, 168, 232, 0.2);
    transition: all 0.3s ease;
}

.tag:hover {
    background: linear-gradient(135deg, var(--pink), var(--purple));
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

/* ====== Footer ====== */
footer {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-light);
    font-size: 0.85rem;
    border-top: 1px solid rgba(248, 164, 200, 0.12);
}

/* ====== Responsive ====== */
@media (max-width: 640px) {
    .navbar {
        padding: 1rem 1.5rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .about-card {
        flex-direction: column;
        text-align: center;
    }

    .tags {
        justify-content: center;
    }

    .section {
        padding: 3rem 1.2rem;
    }
}

/* ====== Scrollbar ====== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--pink), var(--purple));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(var(--pink-dark), var(--purple-dark));
}

/* ====== Selection ====== */
::selection {
    background: rgba(248, 164, 200, 0.3);
    color: var(--text);
}

/* ====== Avatar Interactions ====== */
.avatar-inner {
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.avatar-bounce .avatar-inner {
    animation: avatarBounce 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes avatarBounce {
    0% { transform: scale(1); }
    25% { transform: scale(0.85) rotate(-5deg); }
    50% { transform: scale(1.15) rotate(3deg); }
    75% { transform: scale(0.95) rotate(-2deg); }
    100% { transform: scale(1); }
}

.avatar-spin .avatar-inner {
    animation: avatarSpin 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes avatarSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(0.8); }
    100% { transform: rotate(360deg) scale(1); }
}

.avatar-reaction {
    position: absolute;
    top: -10px;
    right: -20px;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
}

.reaction-pop {
    animation: reactionPop 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes reactionPop {
    0% { opacity: 0; transform: translateY(0) scale(0.5); }
    15% { opacity: 1; transform: translateY(-5px) scale(1.1); }
    30% { transform: translateY(-8px) scale(1); }
    70% { opacity: 1; transform: translateY(-15px); }
    100% { opacity: 0; transform: translateY(-30px) scale(0.8); }
}

/* ====== Achievement ====== */
.achievement {
    position: fixed;
    bottom: 30px;
    right: -320px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.85rem 1.2rem;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px rgba(216, 127, 166, 0.15),
                0 2px 8px rgba(0, 0, 0, 0.04),
                inset 0 1px 0 rgba(255, 255, 255, 0.8),
                inset 0 -1px 0 rgba(255, 255, 255, 0.3);
    z-index: 1000;
    transition: right 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}

.achievement::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(248, 164, 200, 0.08) 100%);
    pointer-events: none;
}

.achievement.show {
    right: 30px;
}

.achievement-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 2px 8px rgba(216, 127, 166, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.achievement-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.achievement-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    position: relative;
}

.achievement-label {
    font-size: 0.65rem;
    color: var(--purple-dark);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
}

.achievement-name {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 700;
    white-space: nowrap;
}

.achievement-sparkle {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 0.7rem;
    color: var(--pink);
    animation: sparkleRotate 3s linear infinite;
    opacity: 0.6;
}

@keyframes sparkleRotate {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1); }
}