/**
 * Sirkus4D - Main Stylesheet
 * Modern, Responsive, Fast Loading
 */

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors */
    --color-primary: #C62828;
    --color-primary-dark: #B71C1C;
    --color-primary-light: #EF5350;
    
    /* Accent Colors */
    --color-accent: #FFD600;
    --color-accent-dark: #FFCA00;
    --color-accent-light: #FFEB3B;
    
    /* Neutral Colors */
    --color-black: #0D0D0D;
    --color-dark: #1A1A1A;
    --color-gray-dark: #2D2D2D;
    --color-gray: #4A4A4A;
    --color-gray-light: #9E9E9E;
    --color-light: #F5F5F5;
    --color-white: #FFFFFF;
    
    /* Semantic Colors */
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-error: #F44336;
    --color-info: #2196F3;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(198, 40, 40, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-light);
    background-color: var(--color-black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-white);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

@media (min-width: 768px) {
    h1 { font-size: var(--font-size-5xl); }
    h2 { font-size: var(--font-size-4xl); }
    h3 { font-size: var(--font-size-3xl); }
}

.highlight {
    color: var(--color-accent);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-accent {
    background: var(--color-accent);
    color: var(--color-black);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-white);
}

.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark);
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-menu.active {
    display: block;
}

@media (min-width: 992px) {
    .nav-menu {
        display: flex;
        align-items: center;
        gap: var(--spacing-xl);
        position: static;
        background: none;
        padding: 0;
        border: none;
    }
}

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

@media (min-width: 992px) {
    .nav-list {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-gray-light);
    transition: color var(--transition-fast);
    padding: var(--spacing-sm) 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

.nav-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

@media (min-width: 992px) {
    .nav-cta {
        flex-direction: row;
        margin-top: 0;
    }
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: var(--z-fixed);
}

@media (min-width: 992px) {
    .mobile-menu-btn {
        display: none;
    }
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ===== Main Content ===== */
.main-content {
    padding-top: 70px;
    min-height: 100vh;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(198, 40, 40, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 214, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 214, 0, 0.1);
    border: 1px solid rgba(255, 214, 0, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    text-wrap: balance;
}

.hero-desc {
    font-size: var(--font-size-lg);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xl);
    text-wrap: pretty;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
}

@media (min-width: 480px) {
    .hero-cta {
        flex-direction: row;
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-accent);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
    margin-top: var(--spacing-xs);
}

/* ===== Section Styles ===== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-desc {
    color: var(--color-gray-light);
}

/* ===== Features Grid ===== */
.features-grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(198, 40, 40, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature-desc {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

/* ===== Cards ===== */
.card {
    background: var(--color-dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--color-gray-dark);
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.card-content {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.card-desc {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--color-gray);
}

/* ===== Promo Cards ===== */
.promo-grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .promo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .promo-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.promo-card {
    position: relative;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-gray-dark) 100%);
    border: 1px solid rgba(255, 214, 0, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.promo-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255, 214, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.promo-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-accent);
    color: var(--color-black);
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.promo-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.promo-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.promo-desc {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.promo-terms {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
}

/* ===== FAQ Accordion ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-lg) 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding-bottom: var(--spacing-lg);
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ===== Contact Form ===== */
.contact-grid {
    display: grid;
    gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    padding: var(--spacing-xl);
    background: var(--color-dark);
    border-radius: var(--radius-lg);
}

.contact-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.contact-desc {
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xl);
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-channel {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-gray-dark);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-channel:hover {
    background: var(--color-gray);
    transform: translateX(5px);
}

.channel-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-white);
}

.channel-info h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.channel-info p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
}

.contact-form-wrapper {
    padding: var(--spacing-xl);
    background: var(--color-dark);
    border-radius: var(--radius-lg);
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-light);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-white);
    background: var(--color-gray-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-sm);
}

.form-success {
    padding: var(--spacing-md);
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-md);
    color: var(--color-success);
    margin-bottom: var(--spacing-lg);
}

/* ===== System Features ===== */
.system-grid {
    display: grid;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .system-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.system-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.system-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(255, 214, 0, 0.1);
}

.system-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
}

.system-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.system-content p {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-dark);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand .logo-text {
    font-size: var(--font-size-xl);
}

.footer-desc {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-dark);
    border-radius: var(--radius-full);
    color: var(--color-light);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.footer-disclaimer {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs) !important;
    color: var(--color-gray) !important;
}

/* ===== Floating WhatsApp ===== */
.floating-wa {
    position: fixed;
    bottom: 100px;
    right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: var(--radius-full);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-fast);
    animation: pulse 2s infinite;
}

.floating-wa:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-fast);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== Lazy Loading ===== */
img[data-src] {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

img.loaded {
    opacity: 1;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb-separator {
    color: var(--color-gray);
}

/* ===== Page Header ===== */
.page-header {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-black) 100%);
    text-align: center;
}

.page-title {
    margin-bottom: var(--spacing-sm);
}

.page-desc {
    color: var(--color-gray-light);
    max-width: 600px;
    margin: 0 auto;
}