/* ========================================
   POLUSAI - COMPONENTS
   ======================================== */

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    min-height: 80px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: #1e40af;
}

.logo a {
    text-decoration: none;
    display: block;
}

.logo img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    display: block;
    max-width: 100%;
    height: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #3b82f6;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3b82f6;
    transition: width 0.3s ease;
}

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

.nav-links a.active {
    color: #3b82f6;
}

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

.hiring-link {
    background: linear-gradient(45deg, #3b82f6, #1d4ed8);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.hiring-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #1e293b;
    margin: 5px 0;
    transition: 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: linear-gradient(45deg, #3b82f6, #1d4ed8);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.cta-secondary {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: transparent;
    color: #3b82f6;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid #3b82f6;
    transition: all 0.3s ease;
}

.cta-secondary:hover {
    background: #3b82f6;
    color: white;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.05);
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #3b82f6;
}

.card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.card p {
    color: #64748b;
    line-height: 1.7;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #1e293b;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.submit-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(45deg, #3b82f6, #1d4ed8);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

/* Footer */
footer {
    padding: 3rem 0;
    background: white;
    color: #1e293b;
    border-top: 1px solid #e2e8f0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.footer-logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo-section img {
    width: 120px;
    height: auto;
    object-fit: contain;
}

.linkedin-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.linkedin-link:hover {
    color: #1d4ed8;
}

.linkedin-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    margin: 0;
    color: #64748b;
}

.footer-legal {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-legal a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #3b82f6;
}

/* Timeline Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin: 0.25rem 0.25rem 0.25rem 0;
    border: 1px solid rgba(59, 130, 246, 0.2);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Timeline Icons */
.timeline-icon {
    width: 100px !important;
    height: 100px !important;
    background: #ffffff !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all 0.2s ease;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.timeline-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    z-index: 2;
    pointer-events: none;
}

.timeline-icon img {
    width: 80px !important;
    height: 80px !important;
    object-fit: contain;
    transition: all 0.2s ease;
    position: relative;
    z-index: 0;
}

.timeline-icon svg {
    width: 20px;
    height: 20px;
    color: #3b82f6;
    transition: all 0.2s ease;
}

.timeline-step-highlight .timeline-icon {
    background: #ffffff !important;
    border-color: rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.timeline-step-highlight .timeline-icon::after {
    border-color: rgba(59, 130, 246, 0.4);
}

.timeline-step-highlight .timeline-icon img {
    transform: scale(1.05);
}

.timeline-step-highlight .timeline-icon svg {
    color: #1d4ed8;
}

.timeline-step-focused {
    outline: 2px solid rgba(59, 130, 246, 0.5) !important;
    outline-offset: 2px !important;
}

/* Service card focused state */
.service-card-focused {
    outline: 2px solid rgba(59, 130, 246, 0.5) !important;
    outline-offset: 2px !important;
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.15);
}

.service-card.highlighted.service-card-focused {
    transform: translateY(-4px);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.08) 0%, rgba(59, 130, 246, 0.12) 100%);
    box-shadow: 0 20px 45px rgba(30, 64, 175, 0.25);
    border-color: rgba(30, 64, 175, 0.5);
}

.timeline-step:hover .timeline-icon {
    background: #ffffff !important;
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    transform: scale(1.05);
}

.timeline-step:hover .timeline-icon::after {
    border-color: rgba(59, 130, 246, 0.4);
}

.timeline-step:hover .timeline-icon img {
    transform: scale(1.1);
}