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

:root {
    --primary-color: #f8f4f4;
    --secondary-color: #4a4a4a;
    --accent-color: #e8c2ca;
    --background-color: #fff;
    --text-color: #555;
    --brown-color: #c4a484;
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    text-transform: lowercase;
}

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-hearts-container {
    display: flex;
    gap: 15px;
}

.loader-heart {
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    position: relative;
    transform: rotate(-45deg);
    animation: bounce 1.4s infinite ease-in-out;
}

.loader-heart::before,
.loader-heart::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--accent-color);
}

.loader-heart::before {
    top: -10px;
    left: 0;
}

.loader-heart::after {
    left: 10px;
    top: 0;
}

.loader-heart:nth-child(2) { animation-delay: -0.3s; }
.loader-heart:nth-child(3) { animation-delay: -0.6s; }
.loader-heart:nth-child(4) { animation-delay: -0.9s; }

@keyframes bounce {
    0%, 80%, 100% { transform: rotate(-45deg) scale(0); }
    40% { transform: rotate(-45deg) scale(1.0); }
}

.centered-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pixel-hearts-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.pixel-heart {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    transform: rotate(-45deg);
    animation: fly 15s linear infinite;
    opacity: 0;
}

.pixel-heart::before,
.pixel-heart::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent-color);
}

.pixel-heart::before { top: -5px; left: 0; }
.pixel-heart::after { top: 0; left: 5px; }

@keyframes fly {
    0% { transform: translateY(110vh) rotate(-45deg) scale(0.5); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { transform: translateY(-10vh) rotate(-45deg) scale(1.8); opacity: 0; }
}

.portfolio-container {
    max-width: 680px;
    width: 90%;
    max-height: 95vh;
    padding: 1rem 1.5rem 1.5rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.94);
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--primary-color);
    position: relative;
    z-index: 1;
    overflow-y: auto;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 1.2s ease, transform 1.2s ease;
}

.portfolio-container.loaded {
    opacity: 1;
    transform: scale(1);
}

.portfolio-container::-webkit-scrollbar { display: none; }

.banner-wrapper {
    position: relative;
    border-radius: 12px;
    padding: 4px;
    background: repeating-linear-gradient( 45deg, var(--brown-color), var(--brown-color) 10px, var(--primary-color) 10px, var(--primary-color) 20px );
    background-size: 28.28px 28.28px;
    animation: moveBorder 8s linear infinite;
}

@keyframes moveBorder {
    from { background-position: 0 0; }
    to { background-position: 28.28px 0; }
}

.profile-banner {
    width: 100%;
    padding-top: 56.25%;
    background-image: url('https://nefu.life/5DlX62.png');
    background-size: cover;
    background-position: center;
    border-radius: 8px;
}

.profile-picture {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background-image: url('https://nefu.life/tn3eOI.jpg');
    background-size: cover;
    background-position: center;
    border: 5px solid var(--primary-color);
    position: absolute;
    bottom: -65px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease-in-out, box-shadow 0.4s ease;
}

.profile-picture:hover {
    transform: translateX(-50%) scale(1.08);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.profile-header {
    text-align: center;
    margin-top: 80px;
}

.profile-header h1 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: capitalize;
}

.profile-header .japanese-subtitle {
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-top: 0.1rem;
    letter-spacing: 1px;
}

.bio {
    text-align: center;
    margin-top: 1rem;
}

.bio p {
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    color: #999;
}

.contact-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.contact-section a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    background-color: var(--primary-color);
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-section a:hover {
    transform: translateY(-3px);
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 10px rgba(232, 194, 202, 0.7);
}

.contact-section a svg {
    width: 14px;
    height: 14px;
    margin-right: 0.4rem;
    fill: currentColor;
}

.about-section, .friends-section {
    margin-top: 2rem;
}

.section-title {
    font-size: 1.1rem;
    color: var(--secondary-color);
    text-align: center;
    text-transform: capitalize;
    margin: 0;
}

.about-section p {
    font-size: 0.8rem;
    line-height: 1.7;
    text-align: center;
    max-width: 600px;
    margin: 0.8rem auto 0 auto;
}

.friends-toggle {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.friends-toggle .arrow-icon {
    width: 18px;
    height: 18px;
    transition: transform 0.5s ease;
    fill: var(--secondary-color);
}

.friends-toggle.active .arrow-icon {
    transform: rotate(180deg);
}

.friends-list {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.7s ease-in-out, opacity 0.5s ease-in-out, margin-top 0.7s ease-in-out;
}

.friends-list.open {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
}

.friend-card {
    display: flex;
    align-items: center;
    background-color: var(--primary-color);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    text-align: left;
}

.friend-card:last-child {
    margin-bottom: 0;
}

.friend-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 1rem;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 0 0 3px var(--brown-color);
}

.friend-info h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--secondary-color);
    font-weight: 500;
    text-transform: capitalize;
}

.friend-info span {
    font-size: 0.8rem;
    color: #aaa;
}

.friend-info p {
    font-size: 0.8rem;
    margin-top: 0.25rem;
    color: var(--text-color);
}

.friend-url {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--accent-color);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.friend-url:hover {
    transform: translateX(3px);
}

.friend-url svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
    flex-shrink: 0;
}

footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--primary-color);
    font-size: 0.7rem;
    color: #aaa;
}