/* ==========================================
   AUTEBA.LT - Transporto įmonės tinklapis
   ========================================== */

/* CSS Variables - MB AUTEBA spalvų schema */
:root {
    --primary: #1a5fb4;
    --primary-dark: #0d4a91;
    --primary-light: #3584e4;
    --secondary: #5c6670;
    --secondary-dark: #454c54;
    --secondary-light: #8a939e;
    --silver: #a8b4c0;
    --silver-light: #c8d0d8;
    --dark: #1c2833;
    --dark-light: #2c3e50;
    --gray: #5c6670;
    --gray-light: #8a939e;
    --light: #f4f6f8;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

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

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

ul {
    list-style: none;
}

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

/* ==========================================
   Header & Navigation
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 110px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.5rem;
}

.logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
}

.footer .logo-img {
    height: 110px;
    filter: brightness(1.1);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    color: var(--primary);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-menu a {
    font-weight: 500;
    color: var(--dark);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-menu a:hover {
    color: var(--primary);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    padding: 10px 20px;
    background: var(--light);
    border-radius: var(--radius);
}

.nav-phone:hover {
    background: var(--primary);
    color: var(--white);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: 15px;
}

.lang-btn {
    width: 32px;
    height: 22px;
    border: 2px solid #ddd;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition);
    opacity: 0.7;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    background-size: cover;
    background-position: center;
}

.lang-btn:hover {
    opacity: 1;
    transform: scale(1.15);
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

.lang-btn.active {
    opacity: 1;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(26, 95, 180, 0.3);
}

/* Lietuvos vėliava */
.lang-lt {
    background: linear-gradient(
        to bottom,
        #FDB913 0%, #FDB913 33.33%,
        #006A44 33.33%, #006A44 66.66%,
        #C1272D 66.66%, #C1272D 100%
    );
}

/* Lenkijos vėliava */
.lang-pl {
    background: linear-gradient(
        to bottom,
        #FFFFFF 0%, #FFFFFF 50%,
        #DC143C 50%, #DC143C 100%
    );
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(26, 95, 180, 0.4);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 95, 180, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary);
    border: 2px solid var(--white);
    font-weight: 700;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark-light) 0%, var(--primary-dark) 50%, var(--dark) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 120px 0 80px;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-title .highlight {
    color: #e0e8f0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 40px;
    max-width: 600px;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 5px;
    font-weight: 500;
}

/* ==========================================
   Section Styles
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--dark-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   Services Section
   ========================================== */
.services {
    padding: 100px 0;
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--dark-light);
    line-height: 1.7;
}

/* ==========================================
   About Section
   ========================================== */
.about {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-tag {
    background: var(--primary);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--dark-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-list {
    margin-top: 30px;
}

.about-list li {
    padding: 10px 0;
    font-weight: 500;
    color: var(--dark);
    font-size: 1.05rem;
}

.about-image-placeholder {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--dark-light) 100%);
    border-radius: var(--radius-lg);
    padding: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
}

.about-image-placeholder span {
    font-size: 6rem;
    margin-bottom: 20px;
}

.about-image-placeholder p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

/* ==========================================
   Advantages Section
   ========================================== */
.advantages {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
}

.advantages .section-tag {
    background: var(--primary);
}

.advantages .section-title {
    color: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-card {
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--silver);
}

.advantage-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--silver);
    opacity: 0.7;
    line-height: 1;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.advantage-card p {
    color: #c8d0d8;
    line-height: 1.7;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.cta-content {
    text-align: center;
}

.cta h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

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

.cta .btn-primary:hover {
    background: var(--silver-light);
    color: var(--primary-dark);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    padding: 100px 0;
    background: var(--light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 1.1rem;
}

.contact-card a {
    color: var(--primary);
    font-weight: 600;
}

.contact-card a:hover {
    color: var(--secondary);
}

.contact-note {
    display: block;
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 5px;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--light);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--light);
}

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

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

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--dark);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand p {
    color: var(--gray-light);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--gray-light);
}

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

.footer-contact p {
    color: var(--gray-light);
    margin-bottom: 10px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .about-grid {
        gap: 50px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-phone {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image-placeholder {
        min-height: 300px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .contact-card {
        flex: 1;
        min-width: 200px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat {
        flex-direction: row;
        align-items: center;
        gap: 15px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 30px;
    }
    
    .contact-info {
        flex-direction: column;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
}