/* --- DEĞİŞKENLER VE TEMEL AYARLAR --- */

* {
    cursor: url('https://cdn.cursors-4u.net/previews/sexy-pink-heart-25412ebd-32.webp') 32 32, auto !important;
}

:root {
    --bg-color: #f5f2eb; /* Daha sıcak, nostaljik krem */
    --text-main: #33312e; /* Yumuşak, mürekkebe yakın siyah */
    --text-light: #6e6a64;
    --accent-color: #947e68; /* Vurgu: Soluk kahve/toprak */
    --card-bg: #fcfbf9;
    --border-color: #e6dfd3;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Lato', sans-serif;
    
    --transition-slow: 1s ease-in-out;
    --transition-fast: 0.3s ease;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Tipografi */
.serif-title {
    font-family: var(--font-serif);
    font-weight: 400;
}
.date-text {
    font-size: 0.8rem;
    color: var(--accent-color);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}
.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 4rem;
    color: var(--text-main);
}

/* --- MICRO-INTERACTIONS (Scroll Reveal) --- */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- KARŞILAMA EKRANI --- */
#welcome-screen {
    position: fixed;
    inset: 0;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 1000;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
#welcome-screen:not(.active) {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.02); /* Kutunun hafifçe açılması hissi */
}

.welcome-title {
    font-size: 2.5rem;
    letter-spacing: 5px;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.welcome-content .subtitle {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}
.welcome-content .date-range {
    font-family: var(--font-serif);
    margin-bottom: 3rem;
    color: var(--accent-color);
    letter-spacing: 2px;
}
#open-box-btn {
    background: transparent;
    border: 1px solid var(--text-main);
    color: var(--text-main);
    padding: 12px 30px;
    font-family: var(--font-sans);
    letter-spacing: 2px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}
#open-box-btn:hover, #open-box-btn:focus-visible {
    background: var(--text-main);
    color: var(--bg-color);
    outline: none;
}

/* --- ANA İÇERİK & MENÜ --- */
#main-content {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: opacity var(--transition-slow);
}
#main-content.hidden {
    opacity: 0;
    pointer-events: none;
    position: absolute;
}

header {
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* Müzik Player */
.music-player button {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    cursor: pointer;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition-fast);
}
.music-player button:hover {
    color: var(--accent-color);
}
#music-icon { font-size: 1.1rem; }

/* Navigasyon */
#main-nav {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}
.nav-btn {
    background: none;
    border: none;
    font-family: var(--font-sans);
    color: var(--text-light);
    cursor: pointer;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    padding-bottom: 4px;
    position: relative;
    transition: color var(--transition-fast);
}
.nav-btn::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 50%;
    background-color: var(--text-main);
    transition: all var(--transition-fast);
}
.nav-btn:hover, .nav-btn.active {
    color: var(--text-main);
}
.nav-btn.active::after {
    width: 100%;
    left: 0;
}

.content-container {
    flex: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem 5rem 1.5rem;
    width: 100%;
}

.section {
    display: none;
    animation: fadeIn 0.8s ease forwards;
}
.section.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --- PHOTOS (Editorial Layout) --- */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 2px; /* Album hissiyatı için dar boşluk */
    background: var(--border-color);
    border: 8px solid var(--card-bg);
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
}
.photo-card {
    position: relative;
    background: var(--card-bg);
    cursor: pointer;
    overflow: hidden;
    aspect-ratio: 1 / 1;
}
.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.photo-overlay {
    position: absolute;
    inset: 0;
    background: rgba(51, 49, 46, 0.6);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
    padding: 1rem;
    text-align: center;
}
.photo-card:hover .photo-overlay { opacity: 1; }
.photo-card:hover img { transform: scale(1.05); }

.overlay-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.overlay-date {
    font-size: 0.75rem;
    letter-spacing: 2px;
}

/* --- PLACES (Storyteller Layout) --- */
.places-container {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}
.place-card {
    display: flex;
    gap: 3rem;
    align-items: center;
}
.place-card:nth-child(even) {
    flex-direction: row-reverse;
}
.place-image-wrapper {
    flex: 1;
    position: relative;
}
.place-image-wrapper img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.place-info {
    flex: 1;
}
.place-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}
.place-desc {
    margin-top: 1.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

/* --- TIMELINE --- */
.timeline-container {
    max-width: 600px;
    margin: 0 auto;
    border-left: 1px solid var(--accent-color);
    padding-left: 2.5rem;
}
.timeline-year-block {
    margin-bottom: 3rem;
}
.timeline-year {
    display: inline-block;
    margin-left: -2.5rem;
    padding-right: 15px;
    background: var(--bg-color);
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 1.5rem;
}
.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -44px;
    top: 6px;
    width: 9px;
    height: 9px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--bg-color);
}
.timeline-item h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}
.timeline-item p {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* --- LITTLE MEMORIES (Scrapbook) --- */
.memories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}
.memory-card {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 2px 4px 15px rgba(0,0,0,0.02);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-fast);
}
.memory-card:nth-child(even) { transform: rotate(1deg); }
.memory-card:nth-child(odd) { transform: rotate(-1deg); }
.memory-card:hover { transform: translateY(-5px) rotate(0); z-index: 2; box-shadow: 4px 8px 20px rgba(0,0,0,0.05); }

.memory-text {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 2rem;
}

/* --- LETTER (Zarf Animasyonu) --- */
.letter-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
}
.envelope-wrapper {
    perspective: 1000px;
    cursor: pointer;
}
.envelope {
    position: relative;
    width: 280px;
    height: 180px;
    background: #e3dcd1;
    border-radius: 2px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform var(--transition-fast);
}
.envelope:hover {
    transform: translateY(-5px);
}
.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 140px solid transparent;
    border-right: 140px solid transparent;
    border-top: 100px solid #d5cebf;
    transform-origin: top;
    transition: transform 0.6s ease;
    z-index: 3;
}
.envelope-wrapper.open .envelope-flap {
    transform: rotateX(180deg);
    z-index: 1;
}
.envelope-body {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}
.envelope-text {
    font-size: 1.2rem;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.letter-content {
    background: var(--card-bg);
    padding: 4rem 3rem;
    max-width: 650px;
    border: 1px solid var(--border-color);
    font-family: var(--font-serif);
    line-height: 1.9;
    font-size: 1.05rem;
    box-shadow: 0 15px 40px rgba(0,0,0,0.04);
}

/* --- LIGHTBOX (Modal) --- */
#lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}
#lightbox.hidden {
    display: none;
}
.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(245, 242, 235, 0.98);
}
.lightbox-content {
    position: relative;
    z-index: 2001;
    max-width: 800px;
    width: 100%;
    display: flex;
    flex-direction: column;
    background: transparent;
    animation: fadeIn 0.3s ease;
}
.lightbox-image-wrapper {
    background: var(--card-bg);
    padding: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}
.lightbox-image-wrapper img {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    display: block;
}
.lightbox-info {
    padding: 1.5rem 0;
    text-align: center;
}
#lightbox-title {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}
#lightbox-desc {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--text-light);
}
.close-lightbox {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 2.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-main);
    line-height: 1;
}

/* --- İMLEÇ İZİ (CURSOR TRAIL) --- */
.cursor-trail {
    position: absolute;
    pointer-events: none;
    border-radius: 50%;
    z-index: 10000;
    animation: fadeOut 0.8s forwards;
    background: radial-gradient(circle, rgba(255, 105, 180, 0.8) 0%, rgba(255, 105, 180, 0) 70%); 
    width: 15px;
    height: 15px;
    filter: blur(1px);
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: scale(0);
    }
}

/* --- RESPONSIVE & MOBILE --- */
@media (max-width: 768px) {
    header { padding: 1.5rem 1rem; }
    #main-nav { gap: 1.2rem; }
    
    .place-card, .place-card:nth-child(even) {
        flex-direction: column;
        gap: 1.5rem;
    }
    .place-info h3 { font-size: 1.7rem; }
    
    .timeline-container { padding-left: 1.5rem; }
    .timeline-item::before { left: -28px; }
    .timeline-year { margin-left: -1.5rem; }
    
    .letter-content { padding: 2.5rem 1.5rem; }
    
    .close-lightbox { top: -35px; right: 5px; }
    
    @media (hover: none) {
        .photo-overlay { opacity: 1; background: linear-gradient(transparent, rgba(51,49,46,0.8)); justify-content: flex-end; padding-bottom: 1.5rem; }
    }
}