/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
}

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

/* Header / Nav */
.site-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
}

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

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: #111827;
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #2563eb;
}

.cta-button {
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.cta-button:hover {
    background-color: #1d4ed8;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    text-align: center;
    background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #1e40af, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title strong {
    color: #2563eb;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

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

.primary-button {
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.primary-button.large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.secondary-button {
    background-color: white;
    color: #1f2937;
    border: 1px solid #d1d5db;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.secondary-button:hover {
    background-color: #f9fafb;
    border-color: #9ca3af;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: #ffffff;
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #111827;
}

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

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    margin-bottom: 1.5rem;
    display: block;
    color: #2563eb;
    font-size: 2.5rem;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2563eb;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.feature-description {
    color: #6b7280;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background-color: #111827;
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.125rem;
    color: #9ca3af;
    margin-bottom: 2rem;
}

.large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Footer */
.site-footer {
    background-color: #f3f4f6;
    padding: 2rem 0;
    text-align: center;
    color: #6b7280;
    font-size: 0.875rem;
}

/* New Utility and Section Classes */
.hero-stats {
    margin-bottom: 2.5rem;
    color: #4b5563;
    font-size: 1.1rem;
}

.bg-light {
    background-color: #f9fafb;
}

.bg-dark {
    background-color: #111827;
    color: white;
}

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

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

.max-w-900 {
    max-width: 900px;
    margin: 0 auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    color: #4b5563;
}

.problem-title {
    color: #111827;
    margin-bottom: 1rem;
}

.problem-list {
    padding-left: 1.2rem;
}

.csr-box {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
}

.tech-board-box {
    margin-top: 4rem;
    padding: 2rem;
    background: #f0f9ff;
    border-radius: 12px;
}

.tech-board-title {
    margin-bottom: 1rem;
    color: #1e40af;
}

.tech-board-desc {
    color: #4b5563;
    margin-bottom: 1rem;
}

.feature-category {
    color: #2563eb;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 700;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 1rem;
}

.faq-item summary {
    font-weight: 600;
    cursor: pointer;
    color: #1f2937;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: #2563eb;
    font-weight: 300;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-answer {
    margin-top: 0.5rem;
    color: #6b7280;
}

.cta-note {
    font-size: 0.8rem;
    margin-top: 1rem;
    color: #9ca3af;
}

.icon-accent {
    color: #2563eb;
    margin-right: 10px;
}

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

.mb-1-5 {
    margin-bottom: 1.5rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.fw-600 {
    font-weight: 600;
}

.portfolio-link {
    color: #2563eb;
    font-weight: 600;
    text-decoration: none;
}

.portfolio-link:hover {
    text-decoration: underline;
}

.content-list {
    list-style: none;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-list li {
    margin-bottom: 0.75rem;
    position: relative;
}

/* Only apply bullet to unordered lists with this class */
ul.content-list li:before {
    content: "•";
    color: #2563eb;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* Ensure ordered lists with this class show numbers */
ol.content-list {
    list-style: decimal;
    padding-left: 2.5rem;
}

ol.content-list li {
    padding-left: 0.5rem;
}

ol.content-list li:before {
    content: none;
}

/* Dark Section Adjustments */
.bg-dark .section-title {
    color: #ffffff !important;
}

.bg-dark p {
    color: #9ca3af;
}

.bg-dark strong {
    color: #ffffff;
}

/* Grid for Problem Section */
@media (max-width: 768px) {
    .problem-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
}

/* List styling for sections */
ul li {
    margin-bottom: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none; /* Simple hiding for mobile for this task */
    }

    .hero-actions {
        flex-direction: column;
        padding: 0 2rem;
    }
}