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

:root {
    --primary-color: #dc2626;
    --primary-dark: #b91c1c;
    --secondary-color: #1f2937;
    --text-color: #374151;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

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

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-title-highlight {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 2.75rem;
    display: block;
    margin-top: 0.5rem;
    text-shadow: 2px 2px 4px rgba(220, 38, 38, 0.1);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.hero-note {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 0.75rem;
    font-style: italic;
    opacity: 0.8;
}

.btn-secondary {
    background-color: var(--white);
    color: var(--text-color);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Sections */
section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 3rem;
}

/* Services */
.services {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Partners */
.partners {
    background-color: var(--white);
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.partner-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s;
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

/* About */
.about {
    background-color: var(--white);
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--text-color);
    text-align: center;
    line-height: 1.8;
}

/* Contact */
.contact {
    background-color: var(--bg-light);
}

.contact-info {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info p {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--white);
    margin: 2% auto;
    padding: 2.5rem;
    border-radius: 16px;
    max-width: 650px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: slideIn 0.3s ease-out;
    border: 1px solid var(--border-color);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close {
    color: var(--text-light);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
}

.close:hover {
    color: var(--primary-color);
}

.modal-content h2 {
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
}

/* Success Message */
.success-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: var(--white);
    padding: 2rem 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    animation: successSlideIn 0.5s ease-out;
    text-align: center;
    min-width: 350px;
}

@keyframes successSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

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

.success-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
}

.success-message h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.success-message p {
    font-size: 1rem;
    margin: 0;
    line-height: 1.5;
    opacity: 0.95;
}

/* Error Message */
.error-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: var(--white);
    padding: 2rem 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    animation: errorSlideIn 0.5s ease-out;
    text-align: center;
    min-width: 350px;
}

@keyframes errorSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

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

.error-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
}

.error-message h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.error-message p {
    font-size: 1rem;
    margin: 0;
    line-height: 1.5;
    opacity: 0.95;
}

.btn-close {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-close:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Ad Banner Styles */
.ad-banner {
    padding: 2rem 0;
    background-color: #f8fafc;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.ad-banner.ad-footer {
    background-color: #f1f5f9;
    margin-top: 1rem;
}

.ad-container {
    text-align: center;
    max-width: 728px;
    margin: 0 auto;
}

.ad-leaderboard {
    min-height: 90px;
}

.ad-banner-footer {
    min-height: 90px;
}

/* Responsive ads */
.adsbygoogle {
    display: block !important;
}

/* Mobile optimization */
@media (max-width: 768px) {
    .ad-banner {
        padding: 1rem 0;
    }
    
    .ad-container {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .ad-leaderboard,
    .ad-banner-footer {
        min-height: 50px;
    }
}

@media (max-width: 480px) {
    .ad-banner {
        padding: 0.5rem 0;
    }
    
    .ad-leaderboard,
    .ad-banner-footer {
        min-height: 50px;
    }
}

/* Popup Styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    animation: popupFadeIn 0.3s ease-out;
}

@keyframes popupFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.popup-content {
    background: white;
    border-radius: 16px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    animation: popupSlideIn 0.3s ease-out;
    overflow: hidden;
}

@keyframes popupSlideIn {
    from {
        transform: scale(0.9) translateY(-20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.popup-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.popup-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.popup-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.popup-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.popup-body {
    padding: 2rem;
    text-align: center;
}

.popup-line1 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
    word-break: break-all;
}

.popup-line2 {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0 0 1.5rem 0;
}

.popup-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.popup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.4);
}

/* Form */
.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #ffffff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: #ef4444;
}

.form-group input:invalid::placeholder,
.form-group select:invalid::placeholder,
.form-group textarea:invalid::placeholder {
    color: #ef4444;
}

.form-group input:required:invalid,
.form-group select:required:invalid,
.form-group textarea:required:invalid {
    border-color: #ef4444;
}

.form-group input:required:valid,
.form-group select:required:valid,
.form-group textarea:required:valid {
    border-color: #10b981;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
    opacity: 0.7;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 400;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23374151' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.form-actions .btn-primary,
.form-actions .btn-secondary {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s;
}

.form-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(220, 38, 38, 0.3);
}

.form-actions .btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

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

    .modal-content {
        margin: 5% auto;
        padding: 1.5rem;
        width: 95%;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }

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

    section {
        padding: 2rem 0;
    }
}