:root {
    --bg-color: #0a0a0a;
    /* Deep black/dark gray */
    --text-color: #e0e0e0;
    /* Soft off-white for text */
    --accent-color: #d4af37;
    /* Metallic Gold */
    --accent-hover: #f1ebd9;
    /* Lighter gold/cream */
    --card-bg: rgba(25, 25, 25, 0.6);
    --nav-bg: rgba(10, 10, 10, 0.85);

    --font-heading: 'Playfair Display', serif;
    --font-text: 'Lato', sans-serif;
    --transition-smooth: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 50px rgba(212, 175, 55, 0.15);
    /* Golden glow */
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Interactive Background Canvas */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 400;
}

/* Premium Navigation */
.premium-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--nav-bg);
    backdrop-filter: blur(15px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--accent-color);
    cursor: pointer;
    letter-spacing: 1px;
}

.nav-tabs {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-tab {
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: #888;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-tab::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition-smooth);
}

.nav-tab:hover,
.nav-tab.active {
    color: var(--accent-hover);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.nav-tab.active::after {
    width: 100%;
}

/* Page Sections SPA logic */
.content-wrapper {
    padding-top: 80px;
    min-height: 100vh;
}

.page-section {
    display: none;
    opacity: 0;
    animation: fadeIn 0.8s forwards;
    padding-bottom: 6rem;
}

.page-section.active-section {
    display: block;
}

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

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 3rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

/* Hero Section */
.hero-section {
    height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: 2px;
    color: #fff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.hero-title .subtitle {
    display: block;
    font-size: 1.1rem;
    font-style: italic;
    color: #aaa;
    margin-top: 0.8rem;
    font-family: var(--font-text);
    text-transform: lowercase;
    letter-spacing: 5px;
}

/* Carousel */
.carousel-container {
    width: 25vw;
    min-width: 320px;
    aspect-ratio: 3/4;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.card-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    position: relative;
}

.card-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
    filter: brightness(0.85);
    /* Slightly darker initially */
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), transparent);
    color: var(--accent-color);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.card-overlay h3 {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.carousel-slide:hover .card-link img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.carousel-slide:hover .card-overlay {
    opacity: 1;
    transform: translateY(0);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid var(--accent-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--accent-color);
    opacity: 0;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-container:hover .carousel-btn {
    opacity: 1;
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}

.prev-btn:hover,
.next-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

/* Scroll Reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-smooth);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* About Section */
.about-section {
    padding: 6rem 10vw;
    display: flex;
    justify-content: center;
}

.about-content {
    display: flex;
    gap: 5rem;
    align-items: center;
    max-width: 1000px;
    flex-wrap: wrap;
}

.about-photo {
    flex: 1;
    min-width: 300px;
}

.photo-frame {
    padding: 1rem;
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.photo-frame img {
    width: 100%;
    display: block;
    filter: grayscale(30%) contrast(1.2);
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

/* Contents Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.content-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.content-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
}

.content-img-wrapper {
    height: 250px;
    overflow: hidden;
}

.content-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.content-card:hover .content-img-wrapper img {
    transform: scale(1.03);
}

.content-info {
    padding: 2.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-date {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.content-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #fff;
}

.content-info p {
    color: #bbb;
    margin-bottom: 2rem;
    flex: 1;
}

.read-more {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    border-bottom: 1px solid var(--accent-color);
    padding-bottom: 4px;
    align-self: flex-start;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* Calendar & Events Section */
.calendar-wrapper {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.premium-calendar {
    flex: 1.5;
    min-width: 350px;
    background: var(--card-bg);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    border-top: 4px solid var(--accent-color);
    border-radius: 4px;
    backdrop-filter: blur(10px);
}

.calendar-header {
    text-align: center;
    margin-bottom: 2rem;
}

.cal-month {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--accent-color);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cal-day-header {
    background: var(--nav-bg);
    text-align: center;
    padding: 1rem 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
}

.cal-day {
    background: #111;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-color);
    position: relative;
    cursor: default;
    transition: background 0.3s ease;
}

.cal-day:hover:not(.empty) {
    background: #1a1a1a;
}

.cal-day.empty {
    background: #0a0a0a;
}

.cal-day.has-event {
    background: rgba(212, 175, 55, 0.1);
    font-weight: bold;
    cursor: pointer;
}

.cal-day.has-event:hover {
    background: rgba(212, 175, 55, 0.2);
}

.event-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
    margin-top: 4px;
}

.event-details-list {
    flex: 1;
    min-width: 300px;
}

.event-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.event-item:hover {
    transform: translateX(10px);
}

.event-item:hover .event-desc h4 {
    color: var(--accent-hover);
}

.event-date-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 80px;
    background: #111;
    border: 1px solid var(--accent-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.event-d {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--accent-color);
    line-height: 1;
}

.event-m {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
    margin-top: 5px;
}

.event-desc h4 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: #fff;
    transition: color 0.3s ease;
}

.event-desc p {
    font-size: 0.95rem;
    color: #bbb;
}

/* Appointment Section */
.appointment-section {
    display: flex;
    justify-content: center;
}

.appointment-container {
    max-width: 700px;
    width: 100%;
    background: var(--card-bg);
    padding: 4rem;
    box-shadow: var(--shadow-soft);
    border-top: 4px solid var(--accent-color);
    backdrop-filter: blur(10px);
    border-radius: 4px;
}

.classic-form .form-row {
    display: flex;
    gap: 1.5rem;
}

.classic-form .form-row .form-group {
    flex: 1;
}

.classic-form .form-group {
    margin-bottom: 1.8rem;
}

.classic-form label {
    display: block;
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
    color: #aaa;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.classic-form input,
.classic-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-family: var(--font-text);
    outline: none;
    transition: var(--transition-smooth);
    font-size: 1rem;
}

.classic-form input:focus,
.classic-form textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.submit-btn {
    width: 100%;
    padding: 1.2rem;
    background: var(--accent-color);
    color: var(--bg-color);
    border: none;
    font-family: var(--font-text);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.submit-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

/* Memories Section (Masonry Grid) */
.memories-container {
    column-count: 3;
    column-gap: 1.5rem;
}

.memory-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border-radius: 4px;
}

.memory-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.memory-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.memory-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.memory-item:hover img {
    transform: scale(1.05);
}

.memory-item:hover .memory-overlay {
    opacity: 1;
}

/* Memory Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.memory-modal-content {
    display: flex;
    background: var(--card-bg);
    max-width: 900px;
    width: 90%;
    max-height: 80vh;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    position: relative;
}

.memory-modal-img {
    flex: 1.5;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.memory-modal-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.memory-modal-text {
    flex: 1;
    padding: 3rem;
    overflow-y: auto;
}

.memory-modal-text p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    z-index: 1010;
}

.modal-close:hover {
    color: var(--accent-color);
}

/* Düzce Kolu Link */
.duzce-kolu-link {
    display: block;
    text-align: center;
    margin-top: 5rem;
    font-family: var(--font-heading);
    font-size: 2rem;
    color: #888;
    text-decoration: none;
    transition: var(--transition-smooth);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
}

.duzce-kolu-link:hover {
    color: var(--accent-color);
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

/* Specific routing styles */
#event-detail-section .event-detail-back {
    color: var(--accent-color);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 2px;
    display: inline-block;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .premium-nav {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-tabs {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .carousel-container {
        width: 85vw;
    }

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

    .calendar-wrapper {
        flex-direction: column;
    }

    .memories-container {
        column-count: 1;
    }

    .memory-modal-content {
        flex-direction: column;
    }

    .classic-form .form-row {
        flex-direction: column;
        gap: 0;
    }
}