/* Main Stylesheet for OnlineSMSService */
:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --accent: #f5576c;
    --dark: #1a202c;
    --gray: #4a5568;
    --light: #f7fafc;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    margin: 0;
    padding: 0;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-buttons,
.cta-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

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

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

.btn-white:hover {
    background: var(--light);
    transform: translateY(-2px);
}

/* Hero Section (Homepage) */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Inner Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Main Content Area */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

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

.content {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

.content h1,
.content h2,
.content h3 {
    color: var(--dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content h1 {
    font-size: 2rem;
    font-weight: 700;
}

.content h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.content h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.content p {
    margin-bottom: 1rem;
    color: var(--gray);
}

.content ul,
.content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.content li {
    margin-bottom: 0.5rem;
    color: var(--gray);
}

.content strong {
    color: var(--dark);
    font-weight: 600;
}

.content a {
    color: var(--primary);
    text-decoration: none;
}

.content a:hover {
    text-decoration: underline;
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: var(--light);
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray);
    font-weight: 500;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--white);
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--gray);
    line-height: 1.6;
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--light);
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--gray);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.cta h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark), #2d3748);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* WhatsApp Widget */
.whatsapp-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-button {
    display: block;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-button svg {
    width: 30px;
    height: 30px;
}

/* About Page Specific (Merged) */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.value-item {
    padding: 1.5rem;
    border-left: 4px solid var(--primary);
    background: var(--light);
    border-radius: 0.5rem;
}

.value-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.value-item p {
    color: var(--gray);
    margin: 0;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.tech-feature {
    padding: 1.5rem;
    background: var(--light);
    border-radius: 0.5rem;
}

.tech-feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.tech-feature p {
    color: var(--gray);
    margin: 0;
    font-size: 0.95rem;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.contact-cta {
    text-align: center;
    margin: 2rem 0;
}

.contact-cta .btn {
    margin: 0 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }

    .nav {
        margin: 1rem 0;
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta-buttons {
        margin-top: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid,
    .services-grid,
    .values-grid,
    .tech-features {
        grid-template-columns: 1fr;
    }

    .team-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-cta .btn {
        display: block;
        margin: 0.5rem auto;
        max-width: 200px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 2.5rem;
    border: 1px solid #888;
    width: 90%;
    max-width: 500px;
    border-radius: 12px;
    position: relative;
    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;
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
    line-height: 1;
}

.close-modal:hover,
.close-modal:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}

.modal-header h2 {
    margin-top: 0;
    color: var(--dark);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}
/* --- Added Utilities --- */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-white { color: var(--white); }
.text-dark { color: var(--dark); }
.text-gray { color: var(--gray); }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.w-full { width: 100%; }
.max-w-800 { max-width: 800px; margin-left: auto; margin-right: auto; }

/* Grid Utilities */
.grid-gap-2 { gap: 2rem; }
.grid-gap-3 { gap: 3rem; }

.grid-responsive-300 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-responsive-250 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-responsive-200 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Specific Component Styles */
.contact-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.contact-method-card {
    background: var(--light);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-method-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.contact-form-wrapper {
    background: var(--light);
    padding: 3rem;
    border-radius: 1rem;
    margin: 3rem 0;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
}

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

.captcha-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .captcha-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
}

.cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    color: var(--white);
    margin: 3rem 0;
}

.cta-box h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-box p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.page-hero {
    text-align: center;
    margin-bottom: 3rem;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto;
}

.list-check {
    list-style: none;
    padding: 0;
}

.list-check li {
    margin-bottom: 1rem;
    padding-left: 1.8rem;
    position: relative;
    color: var(--gray);
}

.list-check li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.whatsapp-float {
    position: fixed;
    right: 30px;
    bottom: 30px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
}

.whatsapp-float a {
    color: white;
}

.trust-badges-section {
    padding: 2rem 0;
    background: #f8f9fa;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.trust-badges-title {
    color: #666;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.trust-badges-container {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    opacity: 0.6;
    font-weight: 700;
    font-size: 1.2rem;
    color: #4a5568;
}

/* --- Index Page Generic Styles --- */

.hero-subtitle {
    font-size: 1rem;
    margin-top: -1rem;
    opacity: 0.8;
}

.btn-outline-white {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

/* Resource Cards (Index Page) */
.resource-cards-container {
    padding: 4rem 0;
    background: var(--light);
}

.resource-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    height: 100%;
}

.resource-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.resource-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.resource-list li {
    margin-bottom: 0.5rem;
}

.resource-link {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.resource-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Footer Contact Info */
.footer-contact-info {
    margin-top: 1rem;
}

.footer-contact-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact-link:hover {
    color: white;
}

/* --- Documentation Template Styles --- */
.docs-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

.docs-sidebar {
    background: #f8f9fa;
    border-right: 1px solid #e2e8f0;
    padding: 2rem;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.docs-content {
    padding: 3rem 4rem;
    max-width: 900px;
}

.docs-nav-group {
    margin-bottom: 2rem;
}

.docs-nav-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #718096;
    margin-bottom: 1rem;
    font-weight: 700;
}

.docs-nav-link {
    display: block;
    padding: 0.5rem 0;
    color: #4a5568;
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.docs-nav-link:hover,
.docs-nav-link.active {
    color: var(--primary);
    font-weight: 500;
}

.code-block {
    background: #2d3748;
    border-radius: 8px;
    margin: 1.5rem 0;
    overflow: hidden;
}

/* Override pre styles for docs */
.docs-content pre {
    margin: 0 !important;
    border-radius: 0 !important;
}

@media (max-width: 768px) {
    .docs-container {
        grid-template-columns: 1fr;
    }
    .docs-sidebar {
        display: none; /* Hide on mobile for now, or make collapsible */
    }
    .docs-content {
        padding: 2rem 1rem;
    }
}

.badge-devs {
    font-size: 0.8rem;
    background: #e2e8f0;
    color: #4a5568;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}
.captcha-image { cursor: pointer; }