/* Reset e base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: #ffffff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: #ffffff;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 50;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    height: 2rem;
    width: 2rem;
    color: #2563eb;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
}

.nav {
    display: none;
    gap: 1.5rem;
}

.nav button {
    background: none;
    border: none;
    color: #374151;
    cursor: pointer;
    transition: color 0.3s;
    font-size: 1rem;
}

.nav button:hover {
    color: #2563eb;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #dbeafe 0%, #ffffff 100%);
}

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

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.6s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4b5563;
    margin-bottom: 2rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: #2563eb;
    color: #ffffff;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 1px solid #d1d5db;
}

.btn-outline:hover {
    background: #f3f4f6;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    height: 1.25rem;
    width: 1.25rem;
}

/* Sections */
.services {
    padding: 5rem 0;
    background: #ffffff;
}

.tracking {
    padding: 5rem 0;
    background: #f9fafb;
}

.info {
    padding: 5rem 0;
    background: #ffffff;
}

.terms {
    padding: 5rem 0;
    background: #f9fafb;
}

.section-title {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

/* Services Grid */
.services-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Info Grid */
.info-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Cards */
.card {
    background: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: 1.5rem;
}

.card-content {
    padding: 0 1.5rem 1.5rem;
}

.card-icon {
    height: 3rem;
    width: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.card-icon-small {
    height: 1.25rem;
    width: 1.25rem;
    color: #2563eb;
}

.card-title-with-icon {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-description {
    color: #6b7280;
    margin-top: 0.5rem;
}

.card ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin-top: 1rem;
}

.card li {
    margin: 0.5rem 0;
    color: #4b5563;
}

/* Tracking Form */
.tracking-form {
    max-width: 32rem;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #374151;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Accordion */
.accordion {
    max-width: 64rem;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: 1rem;
}

.accordion-header {
    width: 100%;
    background: #ffffff;
    border: none;
    padding: 1.5rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.accordion-header:hover {
    background: #f9fafb;
}

.accordion-icon {
    height: 1.25rem;
    width: 1.25rem;
    transition: transform 0.3s;
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.accordion-body {
    padding: 1.5rem;
    background: #ffffff;
    border-radius: 0 0 0.5rem 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    margin-top: -0.5rem;
}

.accordion-body h5 {
    font-weight: 600;
    color: #1f2937;
    margin: 1rem 0 0.5rem 0;
}

.accordion-body h5:first-child {
    margin-top: 0;
}

.accordion-body p {
    color: #4b5563;
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background: #1f2937;
    color: #ffffff;
    padding: 4rem 0;
}

.footer-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    height: 2rem;
    width: 2rem;
    color: #60a5fa;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: bold;
}

.footer-section h5 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 0.5rem;
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

.footer-separator {
    height: 1px;
    background: #374151;
    margin: 2rem 0;
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
}

/* Toast */
.toast {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    min-width: 300px;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease-out;
    z-index: 60;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.toast-icon {
    height: 1.25rem;
    width: 1.25rem;
    color: #10b981;
}

.toast-title {
    font-weight: 600;
    color: #1f2937;
}

.toast-description {
    color: #4b5563;
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Mobile responsiveness */
@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 0.5rem;
    }
}