/* ==========================================
   AVIATION SAFETY AI - STYLES
   Theme: Leverage, Focus, Output
   ========================================== */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Professional, Bold, Trustworthy */
    --primary: #0047AB;        /* Deep Blue - Trust, Aviation */
    --primary-dark: #003380;
    --primary-light: #1E5FCC;
    --accent: #FF6B35;         /* Bold Orange - Action, Urgency */
    --accent-dark: #E55A2B;
    --dark: #0A1128;           /* Almost Black */
    --dark-secondary: #1C2541;
    --gray: #3A4556;
    --gray-light: #6B7280;
    --gray-lighter: #E5E7EB;
    --white: #FFFFFF;
    --success: #10B981;
    --warning: #F59E0B;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* === NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--dark);
}

.logo-text .accent {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: var(--transition);
}

/* === BUTTONS === */
.btn-primary,
.btn-secondary,
.btn-primary-small {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-primary-small {
    padding: 0.7rem 1.5rem;
    background: var(--accent);
    color: var(--white);
    font-size: 0.9rem;
}

.btn-primary-small:hover {
    background: var(--accent-dark);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 100%);
    color: var(--white);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 71, 171, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 4rem 0;
}

.hero-tag {
    display: inline-block;
    background: rgba(255, 107, 53, 0.2);
    color: var(--accent);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.hero-title .highlight {
    color: var(--accent);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 3rem;
    max-width: 700px;
}

.hero-subtitle strong {
    color: var(--white);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

/* === SECTION UTILITIES === */
section {
    padding: var(--spacing-xl) 0;
}

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

.section-header.center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-light);
    line-height: 1.6;
}

/* === PROBLEM SECTION === */
.problem-section {
    background: var(--gray-lighter);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.problem-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.problem-card p {
    color: var(--gray);
    line-height: 1.7;
}

.callout-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 3rem;
}

.callout-text {
    font-size: 1.3rem;
    color: var(--white);
    line-height: 1.8;
}

.callout-text strong {
    color: var(--accent);
}

/* === ABOUT SECTION === */
.about-section {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.about-features {
    margin: 2.5rem 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
    color: var(--dark);
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 2px;
}

.about-image {
    position: relative;
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    aspect-ratio: 4/3;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
}

.image-placeholder span {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* === SERVICES SECTION === */
.services-section {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--white);
    border: 2px solid var(--gray-lighter);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-color: var(--primary);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 30px;
    background: var(--accent);
    color: var(--white);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 1rem;
}

.service-card.featured .service-number {
    color: var(--white);
    opacity: 0.4;
}

.service-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.service-card.featured .service-title {
    color: var(--white);
}

.service-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--gray);
    margin-bottom: 2rem;
}

.service-card.featured .service-description {
    color: rgba(255, 255, 255, 0.9);
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.7rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray);
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.85);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.service-card.featured .service-features li::before {
    color: var(--accent);
}

/* === GALLERY SECTION === */
.gallery-section {
    background: var(--dark);
}

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

.gallery-item {
    border-radius: 12px;
    overflow: visible;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-item img {
    transition: var(--transition);
}

.gallery-item:hover img {
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.gallery-placeholder {
    background: linear-gradient(135deg, var(--gray) 0%, var(--dark-secondary) 100%);
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 600;
}

/* === VIDEO SECTION === */
.video-section {
    background: var(--dark);
    color: var(--white);
}

.video-wrapper {
    max-width: 900px;
    margin: 3rem auto 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    background: linear-gradient(135deg, var(--dark-secondary) 0%, var(--gray) 100%);
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.video-placeholder:hover .play-button {
    transform: scale(1.1);
    background: var(--accent-dark);
}

.video-placeholder p {
    font-size: 1.5rem;
    font-weight: 700;
}

.video-placeholder span {
    font-size: 1rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* === BLOG SECTION === */
.blog-section {
    background: var(--white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.blog-image-placeholder {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.blog-content {
    padding: 2rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.blog-category {
    color: var(--accent);
    font-weight: 600;
}

.blog-date {
    color: var(--gray-light);
}

.blog-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
    line-height: 1.3;
}

.blog-excerpt {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.blog-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.blog-link:hover {
    color: var(--accent);
}

/* === PRICING SECTION === */
.pricing-section {
    background: var(--gray-lighter);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-lighter);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-color: var(--primary);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--white);
    padding: 0.4rem 1.5rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.pricing-card.featured .pricing-title {
    color: var(--white);
}

.pricing-price {
    margin-bottom: 2rem;
}

.currency {
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray);
    vertical-align: top;
}

.pricing-card.featured .currency {
    color: rgba(255, 255, 255, 0.8);
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
}

.pricing-card.featured .amount {
    color: var(--white);
}

.period {
    font-size: 1.1rem;
    color: var(--gray-light);
}

.pricing-card.featured .period {
    color: rgba(255, 255, 255, 0.7);
}

.pricing-description {
    color: var(--gray);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.pricing-card.featured .pricing-description {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2.5rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.8rem 0;
    padding-left: 1.8rem;
    position: relative;
    color: var(--gray);
    border-bottom: 1px solid var(--gray-lighter);
}

.pricing-card.featured .pricing-features li {
    color: rgba(255, 255, 255, 0.85);
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.pricing-card.featured .pricing-features li::before {
    color: var(--accent);
}

.btn-pricing,
.btn-pricing-featured {
    width: 100%;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    border: 2px solid var(--primary);
    background: var(--primary);
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-pricing:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-pricing-featured {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-pricing-featured:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* === CONTACT SECTION === */
.contact-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 3rem;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--gray-light);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

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

.contact-item p {
    color: var(--gray);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--gray-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    transition: var(--transition);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

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

/* === FORM === */
.contact-form-wrapper {
    background: var(--gray-lighter);
    padding: 3rem;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-lighter);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1.2rem 2rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.form-note {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--gray-light);
}

/* === FOOTER === */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-tagline {
    color: var(--gray-light);
    margin-top: 1rem;
    font-size: 1.05rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    color: var(--white);
    font-weight: 600;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.8rem;
}

.footer-column a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-light);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
        display: none;
    }

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

    .nav-link {
        padding: 1rem 2rem;
        width: 100%;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid,
    .blog-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

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

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

/* === UTILITY CLASSES === */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }