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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: #2563eb !important;
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #475569;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1e293b;
}

.section-header p {
    font-size: 1.125rem;
    color: #64748b;
    line-height: 1.6;
}

/* Problem Section */
.problem {
    background: #f8fafc;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.problem-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.problem-icon {
    width: 60px;
    height: 60px;
    background: #fee2e2;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.problem-icon svg {
    width: 30px;
    height: 30px;
    color: #dc2626;
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1e293b;
}

.problem-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Solution Section */
.solution-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.module {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s ease;
}

.module:hover {
    border-color: #2563eb;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
}

.module-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.module-header p {
    color: #64748b;
    margin-bottom: 20px;
}

.module-features {
    list-style: none;
}

.module-features li {
    padding: 8px 0;
    color: #475569;
    position: relative;
    padding-left: 24px;
}

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

/* Ideal Customer Profile Section */
.icp {
    background: #fff;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.icp-characteristics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.icp-card {
    background: #f8fafc;
    padding: 32px;
    border-radius: 12px;
    border-left: 4px solid #2563eb;
}

.icp-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 16px;
}

.icp-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.icp-card ul li {
    padding: 8px 0;
    color: #475569;
    position: relative;
    padding-left: 24px;
    line-height: 1.5;
}

.icp-card ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Industries Section */
.industries {
    background: #f8fafc;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.industry-card {
    background: white;
    padding: 24px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    color: #1e293b;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.industry-card:hover {
    border-color: #2563eb;
    background: #f0f7ff;
}

/* Value Section */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.metric-card {
    text-align: center;
    background: white;
    padding: 40px 32px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.metric-number {
    font-size: 3rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.metric-card p {
    color: #64748b;
    font-size: 0.9rem;
}

.differentiators {
    margin-top: 80px;
}

.differentiators h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 40px;
}

.differentiator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.differentiator {
    background: #f0f7ff;
    padding: 32px;
    border-radius: 12px;
    border-left: 4px solid #2563eb;
}

.differentiator h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 12px;
}

.differentiator p {
    color: #475569;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-content p {
    font-size: 1.125rem;
    margin-bottom: 32px;
    opacity: 0.9;
}

.contact-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #2563eb;
}

.footer-brand p {
    color: #94a3b8;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #94a3b8;
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .btn {
        width: 200px;
        text-align: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

    .solution-modules {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

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

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

    .contact-cta {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

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

    section {
        padding: 60px 0;
    }

    .problem-card,
    .module {
        padding: 24px;
    }

    .metric-card {
        padding: 32px 24px;
    }

    .differentiator {
        padding: 24px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.section-header {
    animation: fadeInUp 1s ease-out;
}

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

/* Focus styles for accessibility */
.btn:focus,
.nav-menu a:focus,
.logo a:focus,
.hamburger:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

.hamburger:focus {
    outline-offset: 4px;
}