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

:root {
    --sage-green: #6B8476;
    --sage-light: #8FA396;
    --sage-lighter: #B8C9BF;
    --sage-pale: #E8EDE9;
    --sage-dark: #4A5D52;
    --cream: #F5F3EF;
    --white: #FFFFFF;
    --text-dark: #2C3E37;
    --text-medium: #5A6B63;
    --text-light: #8FA396;
    --warning: #E89B7D;
    --shadow: rgba(107, 132, 118, 0.1);
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background-color: var(--cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Avenir Next', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn-primary {
    background-color: var(--sage-green);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary:hover {
    background-color: var(--sage-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow);
}

.btn-primary.large {
    padding: 16px 36px;
    font-size: 18px;
}

.btn-secondary {
    background-color: transparent;
    color: var(--sage-green);
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--sage-green);
    cursor: pointer;
    font-size: 16px;
}

.btn-secondary:hover {
    background-color: var(--sage-pale);
}

.btn-secondary.large {
    padding: 14px 34px;
    font-size: 18px;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    font-family: 'Avenir Next', sans-serif;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

.nav-links a:hover {
    color: var(--sage-green);
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    background: linear-gradient(135deg, var(--cream) 0%, var(--sage-pale) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 56px;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-medium);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    background: var(--white);
    border-radius: 32px;
    padding: 48px 32px;
    box-shadow: 0 20px 60px rgba(107, 132, 118, 0.15);
    max-width: 400px;
}

.chat-bubble {
    background: var(--sage-pale);
    border-radius: 20px;
    padding: 24px;
}

.kora-icon-small {
    width: 32px;
    height: 32px;
    background: var(--sage-green);
    border-radius: 50%;
    margin-bottom: 12px;
    position: relative;
    opacity: 0.6;
}

.kora-icon-small::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--white);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.chat-bubble p {
    margin-bottom: 16px;
    color: var(--text-dark);
    font-size: 16px;
}

.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.action-btn {
    background: var(--white);
    border: 2px solid var(--sage-light);
    color: var(--sage-dark);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: var(--sage-green);
    color: var(--white);
    border-color: var(--sage-green);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.features h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--text-medium);
    margin-bottom: 60px;
}

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

.feature-card {
    background: var(--cream);
    padding: 40px 32px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px var(--shadow);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: var(--sage-pale);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: var(--sage-pale);
}

.how-it-works h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
}

.conversation-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.conversation-card {
    background: var(--white);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 8px 24px var(--shadow);
}

.message-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-weight: 600;
    color: var(--sage-dark);
}

.message-content p {
    margin-bottom: 16px;
    color: var(--text-dark);
    line-height: 1.7;
}

.user-message {
    background: var(--cream);
    padding: 16px;
    border-radius: 12px;
    font-style: italic;
}

.kora-response {
    background: var(--sage-pale);
    padding: 16px;
    border-radius: 12px;
    color: var(--sage-dark);
}

.response-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.response-chip {
    background: var(--sage-pale);
    border: none;
    color: var(--sage-dark);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.response-chip:hover {
    background: var(--sage-green);
    color: var(--white);
}

/* Resources Section */
.resources {
    padding: 100px 0;
    background: var(--white);
}

.resources h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 16px;
}

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

.resource-card {
    background: var(--cream);
    padding: 32px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow);
}

.resource-icon {
    width: 64px;
    height: 64px;
    background: var(--sage-pale);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.resource-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.resource-card p {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 15px;
}

/* Trust & Safety Section */
.trust-safety {
    padding: 100px 0;
    background: var(--sage-green);
    color: var(--white);
}

.trust-content h2 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
    color: var(--white);
}

.trust-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.trust-item {
    display: flex;
    gap: 20px;
    align-items: start;
}

.check-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    flex-shrink: 0;
}

.trust-item h4 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--white);
}

.trust-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--sage-pale) 0%, var(--cream) 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    color: var(--text-medium);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.cta-note {
    font-size: 16px;
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: 18px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 8px;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 42px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .conversation-examples {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 16px;
    }

    .features h2,
    .how-it-works h2,
    .resources h2,
    .trust-content h2,
    .cta-content h2 {
        font-size: 36px;
    }
}

@media (max-width: 640px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .nav-links a:not(.btn-primary) {
        display: none;
    }

    .feature-grid,
    .resource-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary.large,
    .btn-secondary.large {
        width: 100%;
    }
}