/* Material Design Global Resets and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-family: 'Roboto', sans-serif;
    color: #212121;
    margin-bottom: 1rem;
    font-weight: 500;
}

h1 { 
    font-size: 3rem; 
    font-weight: 300;
}

h2 { 
    font-size: 2.5rem; 
    text-align: center; 
    margin-bottom: 2rem; 
    font-weight: 400;
}

h3 { 
    font-size: 1.5rem; 
    font-weight: 500;
}

p {
    margin-bottom: 1rem;
    color: #666;
    font-size: 1rem;
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: #1976d2;
    transition: color 0.3s ease;
}

a:hover {
    color: #1565c0;
}

ul {
    list-style: none;
}

.section {
    padding: 80px 0;
}

.section-alt {
    background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
    color: #ffffff;
}

.section-alt h2, .section-alt p {
    color: #ffffff;
}

/* Material Design Cards */
.card {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.1);
    padding: 32px;
    margin: 16px 0;
    transition: box-shadow 0.3s ease;
}

.card.dark {
    background: transparent;
    box-shadow: none;
    padding: 32px 0;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12), 0 16px 24px rgba(0, 0, 0, 0.15);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    background: #1976d2;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    background: #1565c0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
    color: #ffffff;
}

/* Header and Navigation - Material Design */
header {
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 500;
    color: #1976d2;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 32px;
}

.nav-links a {
    color: #424242;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.nav-links a:hover,
.nav-links a.active {
    color: #1976d2;
    background: rgba(25, 118, 210, 0.08);
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background: #424242;
    margin: 5px;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hero Section - Material Design */
.hero {
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.9) 0%, rgba(21, 101, 192, 0.9) 100%), 
                url('https://picsum.photos/1600/900?random=0') no-repeat center center/cover;
    color: #ffffff;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 24px;
    color: #ffffff;
    font-weight: 300;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

/* About Section */
#about {
    padding-top: 120px;
}

.about-content {
    display: flex;
    align-items: flex-start;
    gap: 48px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    max-width: 400px;
}

.about-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.company-details {
    margin-top: 24px;
}

.company-details li {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    color: #424242;
    font-size: 14px;
}

.company-details li i {
    color: #1976d2;
    margin-right: 16px;
    font-size: 20px;
    width: 24px;
}

/* Services Section */
#services {
    padding-top: 120px;
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 48px auto;
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.service-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 32px;
    border-radius: 8px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.service-item i {
    color: #ffffff;
    margin-bottom: 24px;
    font-size: 48px;
}

.service-item h3 {
    margin-bottom: 16px;
    color: #ffffff;
    font-weight: 500;
}

.service-item p {
    color: rgba(255, 255, 255, 0.9);
}

/* Team Section */
#team {
    padding-top: 120px;
}

.team-grid {
    display: flex;
    flex-direction: column;
    gap: 48px;
    margin-top: 48px;
}

.team-member {
    display: flex;
    gap: 48px;
    align-items: center;
}

.team-member.reverse {
    flex-direction: row-reverse;
}

.team-photo {
    flex: 1;
    max-width: 400px;
}

.team-photo img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.team-info {
    flex: 1;
}

.team-info h3 {
    color: #212121;
    margin-bottom: 16px;
    font-weight: 500;
}

/* Logistics Section */
#logistics {
    padding-top: 120px;
}

.logistics-content {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    align-items: flex-start;
}

.logistics-image {
    flex: 1;
    max-width: 400px;
}

.logistics-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.logistics-info {
    flex: 1;
}

.logistics-feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 32px;
    gap: 16px;
}

.logistics-feature i {
    color: #ffffff;
    font-size: 24px;
    margin-top: 4px;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 50%;
}

.logistics-feature h3 {
    color: #ffffff;
    margin-bottom: 8px;
    font-weight: 500;
}

.logistics-feature p {
    color: rgba(255, 255, 255, 0.9);
}

/* Partnership Section */
#partnership {
    padding-top: 120px;
}

.partnership-content {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    align-items: flex-start;
}

.partnership-image {
    flex: 1;
    max-width: 400px;
}

.partnership-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.partnership-text {
    flex: 1;
}

.partnership-feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 32px;
    gap: 16px;
}

.partnership-feature i {
    color: #1976d2;
    font-size: 24px;
    margin-top: 4px;
    background: rgba(25, 118, 210, 0.1);
    padding: 12px;
    border-radius: 50%;
}

.partnership-feature h3 {
    color: #212121;
    margin-bottom: 8px;
    font-weight: 500;
}

.partnership-cta {
    margin-top: 32px;
    text-align: center;
}

/* Contact Section */
#contact {
    padding-top: 120px;
}

.contact-content {
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

.contact-info {
    flex: 1;
}

.contact-list {
    margin-top: 32px;
}

.contact-list li {
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-list i {
    color: #ffffff;
    font-size: 20px;
    margin-top: 2px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    border-radius: 50%;
}

.contact-list a {
    color: rgba(255, 255, 255, 0.9);
}

.contact-list a:hover {
    color: #ffffff;
}

.contact-form-container {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    padding: 32px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form .form-group {
    margin-bottom: 24px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #ffffff;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    backdrop-filter: blur(10px);
    transition: border-color 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.15);
}

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

#form-status {
    margin-top: 16px;
    font-weight: 500;
    font-size: 14px;
}

/* Footer */
footer {
    background: #212121;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 32px 0;
    margin-top: 0;
}

footer p {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

footer a {
    color: #1976d2;
}

/* Material Design Responsive */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 0 16px;
    }

    h1 { font-size: 2.5rem; }
    .hero h1 { font-size: 3rem; }
    .hero p { font-size: 1.125rem; }
    h2 { font-size: 2rem; }

    .card {
        padding: 24px 16px;
        margin: 16px -16px;
        border-radius: 0;
    }

    .nav-links {
        position: absolute;
        right: 0;
        top: 80px;
        background: #ffffff;
        flex-direction: column;
        align-items: center;
        width: 60%;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
        border-radius: 0 0 0 8px;
        padding: 24px 0;
    }

    .nav-links li {
        margin: 8px 0;
        width: 100%;
        text-align: center;
    }

    .nav-links li a {
        display: block;
        padding: 12px 24px;
        margin: 0 16px;
        border-radius: 4px;
    }

    .burger {
        display: block;
    }

    .nav-active {
        transform: translateX(0%);
    }

    .toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .toggle .line2 {
        opacity: 0;
    }
    .toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .about-content, 
    .team-member, 
    .logistics-content, 
    .partnership-content,
    .contact-content {
        flex-direction: column;
        gap: 32px;
    }
    
    .team-member.reverse {
        flex-direction: column;
    }
    
    .about-image, 
    .team-photo, 
    .logistics-image, 
    .partnership-image {
        max-width: 100%;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .section {
        padding: 64px 0;
    }

    #about, #services, #team, #logistics, #partnership, #contact {
        padding-top: 96px;
    }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }
    .nav-links { width: 80%; }
    
    .card {
        margin: 16px -20px;
        padding: 24px 20px;
    }
    
    .logistics-feature,
    .partnership-feature {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }
}