/**
 * Ada Erma Portfolio - CSS
 * Pastel renkli, modern ve responsive tasarım
 * Mobile-first approach kullanılmıştır
 */

/* ============================================================
   CSS Değişkenleri
   ============================================================ */
:root {
    /* Renkler */
    --lavender: #BFA7F2;
    --soft-pink: #F7B7D2;
    --sky-blue: #A7D8FF;
    --cream: #FFF8F3;
    --white: #FFFFFF;
    --ink: #241B35;
    --muted: #766B86;
    --line: rgba(36, 27, 53, 0.10);
    
    /* Gradientler */
    --gradient-soft: linear-gradient(135deg, #BFA7F2 0%, #F7B7D2 50%, #A7D8FF 100%);
    --gradient-pink: linear-gradient(135deg, #F7B7D2 0%, #FFF8F3 100%);
    --gradient-blue: linear-gradient(135deg, #A7D8FF 0%, #FFF8F3 100%);
    
    /* Tipografi */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Gölgeler */
    --shadow-sm: 0 2px 8px rgba(36, 27, 53, 0.08);
    --shadow-md: 0 4px 16px rgba(36, 27, 53, 0.12);
    --shadow-lg: 0 8px 32px rgba(36, 27, 53, 0.15);
    
    /* Transityon */
    --transition: all 0.3s ease;
}

/* ============================================================
   Sıfırlama ve Base Stiller
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    background-color: var(--cream);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================================
   Tipografi
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--lavender);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--soft-pink);
}

/* ============================================================
   Container ve Layout
   ============================================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-soft);
    margin: var(--spacing-md) auto 0;
    border-radius: var(--radius-full);
}

/* ============================================================
   Header / Navigasyon
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 248, 243, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--ink);
    font-weight: 700;
}

.logo-text {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-soft);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.logo-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink);
}

.logo-title {
    font-size: 0.65rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hamburger Menü */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.menu-toggle-line {
    width: 24px;
    height: 2px;
    background: var(--ink);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.menu-toggle.active .menu-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active .menu-toggle-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Navigasyon Menüsü */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-soft);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link--cta {
    background: var(--gradient-soft);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Menü */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--cream);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        border-bottom: 1px solid var(--line);
    }
    
    .nav.active {
        max-height: 300px;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

/* ============================================================
   Body Padding (Header'ın sabit olduğu için)
   ============================================================ */
body {
    padding-top: 70px;
}

/* ============================================================
   Hero Bölümü
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #FFF8F3 0%, #F7E8FF 50%, #E8F5FF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(191, 167, 242, 0.15) 0%, transparent 70%);
    border-radius: var(--radius-full);
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247, 183, 210, 0.15) 0%, transparent 70%);
    border-radius: var(--radius-full);
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.02); }
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    background: var(--gradient-soft);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--muted);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.hero-description {
    color: var(--muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    font-size: 1.05rem;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--gradient-soft);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--ink);
    border: 2px solid var(--lavender);
}

.btn-secondary:hover {
    background: var(--lavender);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: var(--white);
    color: var(--ink);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}

.btn-whatsapp:hover {
    background: var(--gradient-soft);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-imdb {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--muted);
}

.btn-imdb:hover {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    width: 3.25rem;
    height: 3.25rem;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--ink);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}

.btn-icon:hover {
    background: var(--gradient-soft);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-image-wrapper {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4 / 5;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(135deg, #BFA7F2 0%, #F7B7D2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-soft);
    color: var(--white);
    font-size: 1.5rem;
    text-align: center;
    padding: var(--spacing-lg);
}

/* Mobile Hero */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-image-wrapper {
        max-width: 300px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* ============================================================
   Başarı Kartları
   ============================================================ */
.achievements {
    background: var(--white);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.achievement-card {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(191, 167, 242, 0.08) 0%, rgba(247, 183, 210, 0.08) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-4px);
    border-color: var(--lavender);
    box-shadow: var(--shadow-md);
}

.achievement-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.achievement-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.achievement-category {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.achievement-year {
    background: var(--lavender);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    display: inline-block;
}

/* ============================================================
   Hakkında Bölümü
   ============================================================ */
.about {
    background: var(--cream);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-content h2 {
    margin-bottom: var(--spacing-lg);
}

.about-text {
    color: var(--muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--lavender);
}

.highlight-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.highlight-text {
    color: var(--ink);
    font-weight: 500;
}

.about-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #A7D8FF 0%, #BFA7F2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .about-container {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Projeler Bölümü
   ============================================================ */
.projects {
    background: var(--white);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--lavender);
    background: var(--white);
    color: var(--lavender);
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active {
    background: var(--lavender);
    color: var(--white);
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--white) 0%, rgba(255, 248, 243, 0.5) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--lavender);
    box-shadow: var(--shadow-lg);
}

.project-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.project-year {
    color: var(--muted);
    font-size: 0.9rem;
    display: inline-block;
    background: rgba(191, 167, 242, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.project-card.hidden {
    display: none;
}

@media (max-width: 768px) {
    .project-filters {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Galeri Bölümü
   ============================================================ */
.gallery {
    background: var(--cream);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: linear-gradient(135deg, #BFA7F2 0%, #F7B7D2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    group: visible;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gradient-soft);
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

/* ============================================================
   Video Bölümü
   ============================================================ */
.video {
    background: var(--white);
}

.video-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.video-embed-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.video-embed-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-placeholder {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #A7D8FF 0%, #BFA7F2 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    text-align: center;
    padding: var(--spacing-lg);
}

/* ============================================================
   Ödüller ve Basında
   ============================================================ */
.press {
    background: var(--cream);
}

.press-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.press-card {
    padding: var(--spacing-lg);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.press-card:hover {
    border-color: var(--soft-pink);
    box-shadow: var(--shadow-md);
}

.press-source {
    color: var(--lavender);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.press-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.press-link {
    color: var(--lavender);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.press-link:hover {
    color: var(--soft-pink);
}

/* ============================================================
   İletişim Bölümü
   ============================================================ */
.contact {
    background: var(--white);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--muted);
}

.contact-form {
    display: grid;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--ink);
}

.form-input,
.form-textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--line);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--cream);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--lavender);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(191, 167, 242, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    background: var(--gradient-soft);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.form-success {
    background: linear-gradient(135deg, #A7D8FF 0%, #BFA7F2 100%);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    display: none;
    animation: slideIn 0.4s ease;
}

.form-success.show {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .contact-content {
        max-width: 100%;
    }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
    background: var(--ink);
    color: var(--cream);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 248, 243, 0.1);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-subtitle {
    color: var(--muted);
    margin-bottom: var(--spacing-md);
}

.footer-links,
.social-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    list-style: none;
}

.footer-link,
.social-link {
    color: var(--cream);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-link:hover,
.social-link:hover {
    color: var(--lavender);
}

.footer-bottom {
    text-align: center;
}

.footer-copyright {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.footer-credit {
    color: var(--muted);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Scroll to Top Button
   ============================================================ */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--gradient-soft);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ============================================================
   Utility Classes
   ============================================================ */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--muted);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.hidden {
    display: none !important;
}

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
    body {
        padding-top: 0;
    }
    
    .header,
    .scroll-to-top {
        display: none;
    }
}