* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Navigation */
.navbar {
    background: #1f2937;
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.brand {
    font-size: 1.25rem;
    font-weight: 500;
    color: white;
    text-decoration: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    justify-content: flex-end;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-menu li a:hover {
    color: #93c5fd;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2dd4bf 0%, #06b6d4 50%, #3b82f6 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Numbers Section */
.numbers-section {
    background: #f9fafb;
    padding: 4rem 0;
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.number-card {
    background: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.number-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.number-card img {
    width: 64px;
    height: 40px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.number-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.number-card p {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 2px solid #3b82f6;
    background: transparent;
    color: #3b82f6;
    text-decoration: none;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background: #3b82f6;
    color: white;
}

.btn-green {
    border-color: #10b981;
    color: #10b981;
}

.btn-green:hover {
    background: #10b981;
    color: white;
}

/* About Section */
.about-section {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 50%, #7c3aed 100%);
    color: white;
    padding: 4rem 0;
}

.about-block {
    text-align: center;
    margin-bottom: 4rem;
}

.about-block:last-child {
    margin-bottom: 0;
}

.about-block h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.about-block p {
    font-size: 1.125rem;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    font-size: 0.875rem;
}

.footer a {
    color: white;
    text-decoration: none;
    margin: 0 0.5rem;
}

.footer a:hover {
    color: #93c5fd;
}

/* Page Header */
.page-header {
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2rem;
    color: #1f2937;
    margin-bottom: 1rem;
}

.page-header img {
    width: 48px;
    height: 32px;
    vertical-align: middle;
    margin-right: 1rem;
}

.instructions {
    max-width: 600px;
    margin: 2rem auto;
    text-align: left;
}

.instructions h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    text-align: center;
}

.instruction-item {
    display: flex;
    align-items: center;
    margin: 0.75rem 0;
}

.instruction-number {
    color: #3b82f6;
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 1rem;
}

/* Search */
.search-box {
    max-width: 600px;
    margin: 0 auto 2rem;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 1rem;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
}

.search-results {
    text-align: center;
    color: #6b7280;
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination button,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid #d1d5db;
    background: white;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination button:hover {
    background: #f3f4f6;
}

.pagination .active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

/* SMS View Page */
.sms-header {
    background: linear-gradient(135deg, #2dd4bf 0%, #06b6d4 50%, #3b82f6 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.sms-header h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.alert {
    background: #dbeafe;
    border-left: 4px solid #3b82f6;
    padding: 1rem;
    margin: 2rem 0;
    border-radius: 0.375rem;
}

.alert strong {
    color: #1e40af;
}

.sms-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0;
}

.sms-message {
    background: white;
    border-left: 4px solid #3b82f6;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.sms-message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.sms-sender {
    font-weight: 600;
    color: #1f2937;
}

.sms-time {
    color: #6b7280;
    font-size: 0.875rem;
}

.sms-from {
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.sms-content {
    color: #374151;
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-family: inherit;
}

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

.btn-submit {
    background: #10b981;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #059669;
}

.form-note {
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: #9ca3af;
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: #374151;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: #6b7280;
}

/* Back Link */
.back-link {
    display: inline-block;
    color: #3b82f6;
    text-decoration: none;
    margin-bottom: 1rem;
    font-weight: 500;
}

.back-link:hover {
    color: #2563eb;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #1f2937;
        padding: 1rem 0;
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 0.75rem 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .numbers-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

    .about-block h2 {
        font-size: 1.5rem;
    }

    .about-block p {
        font-size: 1rem;
    }

    .sms-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}