/* Eterna World Logistics — Premium Public Design System */

/* ------------------------------------------------------
   1. CSS Variables / Tokens
   ------------------------------------------------------ */
:root {
    /* Brand palette — derived from the Eterna World logo (navy globe + gold arrow) */
    --eterna-primary: #1a2744;
    --eterna-primary-dark: #101c2e;
    --eterna-primary-light: #2d3e5f;
    --eterna-accent: #c9950c;
    --eterna-accent-dark: #9e7700;
    --eterna-accent-light: #e6b83a;

    /* Neutrals */
    --eterna-dark: #1a2744;
    --eterna-dark-900: #1e293b;
    --eterna-dark-800: #334155;
    --eterna-gray-700: #475569;
    --eterna-gray-600: #64748b;
    --eterna-gray-500: #94a3b8;
    --eterna-gray-300: #cbd5e1;
    --eterna-gray-200: #e2e8f0;
    --eterna-gray-100: #f1f5f9;
    --eterna-gray-50: #f8fafc;
    --eterna-white: #ffffff;

    /* Semantic */
    --eterna-success: #10b981;
    --eterna-success-bg: #d1fae5;
    --eterna-warning: #c9950c;
    --eterna-warning-bg: #fef3c7;
    --eterna-error: #ef4444;
    --eterna-error-bg: #fee2e2;
    --eterna-info: #3b82f6;

    /* Typography */
    --eterna-font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --eterna-radius-sm: 0.5rem;
    --eterna-radius-md: 0.75rem;
    --eterna-radius-lg: 1rem;
    --eterna-radius-xl: 1.5rem;
    --eterna-radius-full: 9999px;

    /* Shadows — softer, cleaner */
    --eterna-shadow-sm: 0 1px 2px 0 rgb(26 39 68 / 0.04);
    --eterna-shadow-md: 0 4px 6px -1px rgb(26 39 68 / 0.06), 0 2px 4px -2px rgb(26 39 68 / 0.04);
    --eterna-shadow-lg: 0 10px 15px -3px rgb(26 39 68 / 0.07), 0 4px 6px -4px rgb(26 39 68 / 0.05);
    --eterna-shadow-xl: 0 20px 25px -5px rgb(26 39 68 / 0.09), 0 8px 10px -6px rgb(26 39 68 / 0.05);
    --eterna-shadow-glow: 0 0 40px -10px rgb(26 39 68 / 0.2);
    --eterna-shadow-accent: 0 10px 40px -10px rgb(201 149 12 / 0.3);

    /* Transitions */
    --eterna-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --eterna-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --eterna-transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --eterna-transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark mode hook (ready for future toggle) */
.dark {
    --eterna-bg: #0f172a;
    --eterna-surface: #1e293b;
    --eterna-text: #f8fafc;
    --eterna-text-muted: #94a3b8;
}

/* ------------------------------------------------------
   2. Base
   ------------------------------------------------------ */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--eterna-font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--eterna-primary);
    color: white;
    padding: 0.5rem 1rem;
    z-index: 100;
    transition: top var(--eterna-transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* ------------------------------------------------------
   3. Typography
   ------------------------------------------------------ */
.eterna-gradient-text {
    background: linear-gradient(135deg, var(--eterna-primary) 0%, var(--eterna-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.eterna-accent-gradient-text {
    background: linear-gradient(135deg, var(--eterna-accent) 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ------------------------------------------------------
   4. Buttons
   ------------------------------------------------------ */
.eterna-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--eterna-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.25;
    transition: all var(--eterna-transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.eterna-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.eterna-btn:hover::after {
    transform: translateX(100%);
}

.eterna-btn:active {
    transform: scale(0.97);
}

.eterna-btn-primary {
    background: var(--eterna-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(26, 39, 68, 0.35);
}

.eterna-btn-primary:hover {
    background: var(--eterna-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 39, 68, 0.45);
}

.eterna-btn-accent {
    background: var(--eterna-accent);
    color: white;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.eterna-btn-accent:hover {
    background: var(--eterna-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.45);
}

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

.eterna-btn-outline:hover {
    background: var(--eterna-primary);
    color: white;
    transform: translateY(-2px);
}

.eterna-btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
}

.eterna-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.eterna-btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
}

.eterna-btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* Magnetic button effect container */
.eterna-magnetic {
    transition: transform var(--eterna-transition-fast);
}

/* ------------------------------------------------------
   5. Cards
   ------------------------------------------------------ */
.eterna-card {
    background: white;
    border-radius: var(--eterna-radius-xl);
    box-shadow: var(--eterna-shadow-md);
    transition: all var(--eterna-transition-base);
    border: 1px solid rgba(226, 232, 240, 0.6);
    overflow: hidden;
}

.eterna-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--eterna-shadow-xl);
}

.eterna-card-glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--eterna-radius-xl);
    box-shadow: var(--eterna-shadow-lg);
}

.eterna-card-dark {
    background: var(--eterna-dark-900);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--eterna-radius-xl);
    color: white;
}

/* ------------------------------------------------------
   6. Forms
   ------------------------------------------------------ */
.eterna-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--eterna-gray-200);
    border-radius: var(--eterna-radius-md);
    background: white;
    color: var(--eterna-dark);
    font-size: 0.95rem;
    transition: all var(--eterna-transition-base);
}

.eterna-input:focus {
    outline: none;
    border-color: var(--eterna-primary);
    box-shadow: 0 0 0 4px rgba(26, 39, 68, 0.1);
}

.eterna-input::placeholder {
    color: var(--eterna-gray-500);
}

.eterna-input.error {
    border-color: var(--eterna-error);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.eterna-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--eterna-dark-800);
    margin-bottom: 0.375rem;
}

/* ------------------------------------------------------
   7. Badges
   ------------------------------------------------------ */
.eterna-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.875rem;
    border-radius: var(--eterna-radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ------------------------------------------------------
   8. Navigation
   ------------------------------------------------------ */
.eterna-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all var(--eterna-transition-base);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.eterna-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--eterna-shadow-md);
}

.eterna-nav-link {
    position: relative;
    color: var(--eterna-dark-800);
    font-weight: 500;
    transition: color var(--eterna-transition-fast);
}

.eterna-nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--eterna-primary);
    transition: width var(--eterna-transition-base);
    border-radius: 2px;
}

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

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

/* Mobile menu */
.eterna-mobile-menu {
    transform: translateX(100%);
    transition: transform var(--eterna-transition-slow);
}

.eterna-mobile-menu.open {
    transform: translateX(0);
}

.eterna-mobile-overlay {
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--eterna-transition-base);
}

.eterna-mobile-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

/* ------------------------------------------------------
   9. Hero
   ------------------------------------------------------ */
.eterna-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.eterna-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.eterna-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.eterna-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 28, 46, 0.92) 0%, rgba(26, 39, 68, 0.78) 50%, rgba(16, 28, 46, 0.88) 100%);
    z-index: 1;
}

.eterna-hero-content {
    position: relative;
    z-index: 2;
}

.eterna-hero-content h1,
.eterna-hero-content > div > div > p,
.eterna-hero-content .eterna-hero-pill {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.35);
}

.eterna-hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--eterna-radius-full);
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(8px);
}

.eterna-hero-pill-dot {
    width: 8px;
    height: 8px;
    background: var(--eterna-accent);
    border-radius: 50%;
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Floating shapes */
.eterna-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    z-index: 1;
    animation: float 8s ease-in-out infinite;
}

/* ------------------------------------------------------
   10. Section Components
   ------------------------------------------------------ */
.eterna-section {
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .eterna-section {
        padding: 7rem 0;
    }
}

.eterna-section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.eterna-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--eterna-primary), var(--eterna-accent));
    margin-top: 0.75rem;
    border-radius: 2px;
}

.eterna-section-title.center::after {
    margin-left: auto;
    margin-right: auto;
}

.eterna-section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--eterna-primary);
    margin-bottom: 0.75rem;
}

/* ------------------------------------------------------
   11. Slider
   ------------------------------------------------------ */
.eterna-slider {
    position: relative;
    border-radius: var(--eterna-radius-xl);
    overflow: hidden;
}

.eterna-slider-track {
    display: flex;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.eterna-slider-slide,
.slider-slide {
    flex: 0 0 100%;
    position: relative;
}

.eterna-slider-slide img,
.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.08);
    transition: transform 6s ease;
}

.slider-slide.active img,
.eterna-slider-slide.active img {
    transform: scale(1);
}

.eterna-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    transition: all var(--eterna-transition-base);
    z-index: 10;
}

.eterna-slider-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-50%) scale(1.1);
}

.eterna-slider-dots {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.eterna-slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transition: all var(--eterna-transition-base);
}

.eterna-slider-dot.active {
    background: white;
    transform: scale(1.3);
}

/* ------------------------------------------------------
   12. Cards / Services
   ------------------------------------------------------ */
.eterna-service-card {
    background: white;
    border-radius: var(--eterna-radius-xl);
    padding: 2rem;
    border: 1px solid rgba(226, 232, 240, 0.6);
    box-shadow: var(--eterna-shadow-sm);
    transition: all var(--eterna-transition-base);
    position: relative;
    overflow: hidden;
}

.eterna-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--eterna-primary), var(--eterna-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--eterna-transition-slow);
}

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

.eterna-service-card:hover::before {
    transform: scaleX(1);
}

.icon-box,
.eterna-service-card .icon-box {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--eterna-primary) 0%, var(--eterna-primary-light) 100%);
    border-radius: var(--eterna-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1.5rem;
    transition: transform var(--eterna-transition-bounce);
}

.eterna-service-card:hover .icon-box,
.eterna-card:hover .icon-box {
    transform: scale(1.1) rotate(-3deg);
}

/* ------------------------------------------------------
   13. Testimonials
   ------------------------------------------------------ */
.eterna-testimonial-card {
    background: var(--eterna-gray-50);
    border-radius: var(--eterna-radius-xl);
    padding: 2rem;
    transition: all var(--eterna-transition-base);
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.eterna-testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--eterna-shadow-lg);
    background: white;
}

/* ------------------------------------------------------
   14. Process Steps
   ------------------------------------------------------ */
.eterna-process-step {
    position: relative;
    text-align: center;
}

.eterna-process-step::before {
    content: '';
    position: absolute;
    top: 2.5rem;
    right: -50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--eterna-gray-200), var(--eterna-gray-200));
    z-index: 0;
}

.eterna-process-step:last-child::before {
    display: none;
}

.eterna-process-step .step-number {
    width: 5rem;
    height: 5rem;
    background: linear-gradient(135deg, var(--eterna-primary) 0%, var(--eterna-primary-light) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 30px -10px rgba(26, 39, 68, 0.35);
}

@media (max-width: 768px) {
    .eterna-process-step::before {
        display: none;
    }
}

/* ------------------------------------------------------
   15. Image Zoom
   ------------------------------------------------------ */
.eterna-img-zoom {
    overflow: hidden;
    border-radius: var(--eterna-radius-xl);
}

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

.eterna-img-zoom:hover img {
    transform: scale(1.08);
}

/* ------------------------------------------------------
   16. Partner Logos
   ------------------------------------------------------ */
.eterna-partner {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--eterna-transition-base);
}

.eterna-partner:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

/* ------------------------------------------------------
   17. Accordion
   ------------------------------------------------------ */
.eterna-accordion {
    background: white;
    border-radius: var(--eterna-radius-lg);
    border: 1px solid var(--eterna-gray-200);
    overflow: hidden;
    transition: all var(--eterna-transition-base);
}

.eterna-accordion:hover {
    box-shadow: var(--eterna-shadow-md);
}

.eterna-accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    text-align: left;
    font-weight: 700;
    color: var(--eterna-dark);
    transition: background var(--eterna-transition-fast);
}

.eterna-accordion-header:hover {
    background: var(--eterna-gray-50);
}

.eterna-accordion-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--eterna-primary);
    transition: transform var(--eterna-transition-base);
    flex-shrink: 0;
}

.eterna-accordion.active .eterna-accordion-icon {
    transform: rotate(180deg);
}

.eterna-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.eterna-accordion.active .eterna-accordion-content {
    max-height: 500px;
}

.eterna-accordion-body {
    padding: 0 1.5rem 1.5rem;
    color: var(--eterna-gray-700);
    line-height: 1.7;
}

/* ------------------------------------------------------
   18. Scroll Reveal
   ------------------------------------------------------ */
.eterna-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.eterna-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.eterna-reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.eterna-reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.eterna-reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.eterna-reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.eterna-reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.eterna-reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.eterna-stagger-1 { transition-delay: 0.1s; }
.eterna-stagger-2 { transition-delay: 0.2s; }
.eterna-stagger-3 { transition-delay: 0.3s; }
.eterna-stagger-4 { transition-delay: 0.4s; }
.eterna-stagger-5 { transition-delay: 0.5s; }
.eterna-stagger-6 { transition-delay: 0.6s; }
.eterna-stagger-7 { transition-delay: 0.7s; }
.eterna-stagger-8 { transition-delay: 0.8s; }

/* ------------------------------------------------------
   19. Stats / Counters
   ------------------------------------------------------ */
.eterna-stat-card {
    background: white;
    border-radius: var(--eterna-radius-xl);
    padding: 1.5rem;
    box-shadow: var(--eterna-shadow-md);
    transition: all var(--eterna-transition-base);
}

.eterna-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--eterna-shadow-xl);
}

.eterna-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--eterna-primary), var(--eterna-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ------------------------------------------------------
   20. Footer
   ------------------------------------------------------ */
.eterna-footer {
    background: transparent;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.eterna-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--eterna-primary), var(--eterna-accent));
}

.eterna-footer a {
    transition: all var(--eterna-transition-fast);
}

.eterna-footer a:hover {
    color: var(--eterna-primary);
    transform: translateX(4px);
}

.eterna-social-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    transition: all var(--eterna-transition-base);
}

.eterna-social-icon:hover {
    background: var(--eterna-primary);
    border-color: var(--eterna-primary);
    transform: translateY(-3px);
}

/* ------------------------------------------------------
   21. Utility Animations
   ------------------------------------------------------ */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes draw-line {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

@keyframes slide-in-right {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.eterna-animate-fade-in-up {
    animation: fade-in-up 0.8s ease forwards;
}

.eterna-animate-scale-in {
    animation: scale-in 0.6s ease forwards;
}

.eterna-animate-shake {
    animation: shake 0.4s ease-in-out;
}

/* Page load */
.eterna-page-load {
    opacity: 0;
    animation: fade-in-up 0.5s ease forwards;
}

/* ------------------------------------------------------
   22. Reduced Motion
   ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ------------------------------------------------------
   23. Legacy compatibility
   ------------------------------------------------------ */
/* These aliases keep existing markup working while we migrate
   classes to the new eterna-* namespace. New markup should prefer
   eterna-* classes for full feature set. */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--eterna-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.25;
    transition: all var(--eterna-transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--eterna-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(15, 82, 186, 0.35);
}

.btn-primary:hover {
    background: var(--eterna-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 82, 186, 0.45);
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--eterna-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.25;
    transition: all var(--eterna-transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--eterna-accent);
    color: white;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-accent:hover {
    background: var(--eterna-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.45);
}

.service-card {
    background: white;
    border-radius: var(--eterna-radius-xl);
    padding: 2rem;
    border: 1px solid rgba(226, 232, 240, 0.6);
    box-shadow: var(--eterna-shadow-sm);
    transition: all var(--eterna-transition-base);
    position: relative;
    overflow: hidden;
}

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

.stat-card {
    background: white;
    border-radius: var(--eterna-radius-xl);
    padding: 1.5rem;
    box-shadow: var(--eterna-shadow-md);
    transition: all var(--eterna-transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--eterna-shadow-xl);
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--eterna-primary), var(--eterna-accent));
    margin-top: 0.75rem;
    border-radius: 2px;
}

.section-title.center::after {
    margin-left: auto;
    margin-right: auto;
}

.img-zoom {
    overflow: hidden;
    border-radius: var(--eterna-radius-xl);
}

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

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

.accordion-item {
    background: white;
    border-radius: var(--eterna-radius-lg);
    border: 1px solid var(--eterna-gray-200);
    overflow: hidden;
    transition: all var(--eterna-transition-base);
}

.accordion-item:hover {
    box-shadow: var(--eterna-shadow-md);
}

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

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    text-align: left;
    font-weight: 700;
    color: var(--eterna-dark);
    transition: background var(--eterna-transition-fast);
}

.accordion-header:hover {
    background: var(--eterna-gray-50);
}

.accordion-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--eterna-primary);
    transition: transform var(--eterna-transition-base);
    flex-shrink: 0;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.nav-link {
    position: relative;
    color: var(--eterna-dark-800);
    font-weight: 500;
    transition: color var(--eterna-transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--eterna-primary);
    transition: width var(--eterna-transition-base);
    border-radius: 2px;
}

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

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