/* ============================================
   LOVE LETTER THEME
   Vintage mektup teması - nostaljik ve romantik
   ============================================ */

/* Tema Renkleri */
:root {
    --letter-primary: #8b7355;
    --letter-secondary: #d4a574;
    --letter-accent: #c44569;
    --letter-paper: #f4f1ea;
    --letter-dark: #3e2723;
    --letter-gradient: linear-gradient(135deg, #d4a574 0%, #8b7355 100%);
}

/* Body Background */
body.letter-theme {
    background: #e8e3d8;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, .03) 2px, rgba(0, 0, 0, .03) 4px);
}

/* Envelope Section */
.envelope-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.envelope-container {
    position: relative;
    width: 600px;
    height: 400px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.envelope-container:hover {
    transform: scale(1.05);
}

.envelope {
    position: absolute;
    width: 100%;
    height: 100%;
}

.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--letter-gradient);
    clip-path: polygon(0 0, 50% 100%, 100% 0);
    transform-origin: top center;
    transition: transform 0.8s ease;
    z-index: 3;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.envelope-container.opened .envelope-flap {
    transform: rotateX(180deg);
}

.envelope-body {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--letter-secondary);
    clip-path: polygon(0 50%, 50% 100%, 100% 50%, 100% 100%, 0 100%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.letter-paper {
    position: absolute;
    top: 10%;
    left: 10%;
    width: 80%;
    height: 85%;
    background: var(--letter-paper);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    padding: 3rem 2rem;
    font-family: var(--font-handwriting);
    font-size: 1.5rem;
    color: var(--letter-dark);
    text-align: center;
    transition: all 0.8s ease;
    z-index: 2;
    border: 1px solid rgba(139, 115, 85, 0.2);
}

.envelope-container.opened .letter-paper {
    top: -20%;
    transform: scale(1.1);
}

.letter-paper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><path d="M0,10 Q25,0 50,10 T100,10" fill="none" stroke="%23d4a574" stroke-width="2"/></svg>') repeat-x;
    opacity: 0.3;
}

.stamp {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    background: var(--letter-accent);
    border: 3px dashed white;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transform: rotate(15deg);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.click-hint {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-handwriting);
    font-size: 1.25rem;
    color: var(--letter-primary);
    animation: bounce 2s infinite;
}

/* Letter Content Section */
.letter-content-section {
    padding: 5rem 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
    display: none;
}

.letter-content-section.visible {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

.letter-page {
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 4rem 3rem;
    background: var(--letter-paper);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    position: relative;
    border: 1px solid rgba(139, 115, 85, 0.2);
}

.letter-page::before,
.letter-page::after {
    content: '';
    position: absolute;
    background: var(--letter-secondary);
    opacity: 0.3;
}

.letter-page::before {
    top: 20px;
    left: 20px;
    width: 60px;
    height: 60px;
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

.letter-page::after {
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.letter-page h2 {
    font-family: var(--font-handwriting);
    color: var(--letter-primary);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.letter-page p {
    font-family: var(--font-handwriting);
    font-size: 1.25rem;
    line-height: 2;
    color: var(--letter-dark);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.letter-signature {
    text-align: right;
    font-family: var(--font-handwriting);
    font-size: 1.75rem;
    margin-top: 3rem;
    color: var(--letter-primary);
}

/* Photo Gallery - Vintage Style */
.vintage-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.vintage-photo {
    position: relative;
    padding: 1rem;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transform: rotate(-2deg);
    transition: all 0.3s ease;
}

.vintage-photo:nth-child(even) {
    transform: rotate(2deg);
}

.vintage-photo:hover {
    transform: rotate(0deg) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.vintage-photo img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    filter: sepia(20%);
}

.vintage-photo-caption {
    margin-top: 0.75rem;
    font-family: var(--font-handwriting);
    font-size: 1rem;
    color: var(--letter-dark);
    text-align: center;
}

/* Decorative Elements */
.decorative-line {
    text-align: center;
    margin: 3rem 0;
    font-size: 1.5rem;
    color: var(--letter-secondary);
}

/* Footer */
.letter-footer {
    background: var(--letter-gradient);
    color: white;
    text-align: center;
    padding: 3rem 0;
}

.letter-footer h2 {
    color: white;
    font-family: var(--font-handwriting);
}

/* Responsive */
@media (max-width: 768px) {
    .envelope-container {
        width: 400px;
        height: 280px;
    }

    .letter-paper {
        font-size: 1.25rem;
        padding: 2rem 1.5rem;
    }

    .stamp {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .letter-page {
        padding: 3rem 2rem;
    }

    .letter-page h2 {
        font-size: 2rem;
    }

    .letter-page p {
        font-size: 1.125rem;
    }

    .vintage-gallery {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .envelope-container {
        width: 300px;
        height: 200px;
    }

    .letter-paper {
        font-size: 1rem;
        padding: 1.5rem 1rem;
    }

    .stamp {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .letter-page {
        padding: 2rem 1.5rem;
    }

    .letter-page h2 {
        font-size: 1.75rem;
    }

    .letter-page p {
        font-size: 1rem;
        line-height: 1.8;
    }
}