/* ===== CSS Variables (Source Palette) ===== */
:root {
    /* Colors from source-brand.json */
    --color-bg: #f8f8f8;
    --color-fg: #001820;
    --color-primary: #404048;
    --color-secondary: #286098;
    --color-light: #f0f0f0;
    --color-medium: #d8d8d8;
    --color-dark: #181820;
    --color-accent: #0000e8;

    /* Typography */
    --font-family: 'Epilogue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-fg);
    background-color: var(--color-bg);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-secondary);
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Header Navigation ===== */
.header {
    position: sticky;
    top: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-medium);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    flex-shrink: 0;
}

.logo-img {
    height: 50px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: flex-end;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--color-fg);
    font-weight: var(--font-weight-medium);
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--color-secondary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

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

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 500px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 24, 32, 0.4), rgba(64, 64, 72, 0.3));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 700px;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-2xl);
    font-weight: var(--font-weight-medium);
    opacity: 0.95;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Sections ===== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2xl);
    font-weight: var(--font-weight-medium);
}

/* ===== Platform Overview ===== */
.platform-overview {
    background-color: var(--color-bg);
}

.platform-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-top: var(--spacing-2xl);
}

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

.responsive-image {
    max-width: 100%;
    height: auto;
    display: block;
}

.showcase-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.benefits-list {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.benefits-list li:hover {
    background-color: var(--color-medium);
    transform: translateX(4px);
}

.check-icon {
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.3rem;
    flex-shrink: 0;
}

/* ===== Why PROCLE Section ===== */
.why-procle {
    background-color: var(--color-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.benefit-card {
    background-color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--color-primary);
}

/* ===== RPM RTM Section ===== */
.rpm-rtm {
    background-color: var(--color-bg);
}

.rpm-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-top: var(--spacing-2xl);
}

.rpm-text h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.rpm-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.metric {
    background-color: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

/* ===== Telehealth Section ===== */
.telehealth {
    background-color: var(--color-light);
}

.telehealth-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-top: var(--spacing-2xl);
}

.telehealth-text h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.telehealth-text .btn {
    margin-top: var(--spacing-lg);
}

/* ===== Patient Education Section ===== */
.patient-education {
    background-color: var(--color-bg);
}

.education-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-top: var(--spacing-2xl);
}

.education-text {
    order: 2;
}

.education-image {
    order: 1;
}

.education-text h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.education-text .btn {
    margin-top: var(--spacing-lg);
}

/* ===== Product Preference Section ===== */
.product-preference {
    background-color: var(--color-light);
}

.preference-visual {
    margin: var(--spacing-2xl) 0 var(--spacing-3xl);
    text-align: center;
}

.preference-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.preference-card {
    background-color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.preference-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary);
}

.preference-card ul {
    list-style: none;
}

.preference-card li {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-medium);
    color: var(--color-primary);
}

.preference-card li:last-child {
    border-bottom: none;
}

/* ===== Trust Section ===== */
.trust-section {
    background-color: var(--color-bg);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0 var(--spacing-2xl);
    align-items: center;
}

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

.trust-logo {
    max-width: 100%;
    height: auto;
    display: block;
    max-height: 150px;
}

.trust-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-top: var(--spacing-lg);
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    text-align: center;
}

.cta-box {
    max-width: 600px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.cta-box > p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-2xl) 0;
    flex-wrap: wrap;
}

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

.cta-buttons .btn-primary:hover {
    background-color: var(--color-light);
}

.cta-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.cta-buttons .btn-secondary:hover {
    background-color: white;
    color: var(--color-primary);
}

.cta-subtext {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-top: var(--spacing-lg);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-section p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 0;
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .platform-showcase,
    .rpm-content,
    .telehealth-content,
    .education-content {
        grid-template-columns: 1fr;
    }

    .education-image {
        order: 0;
    }

    .education-text {
        order: 0;
    }

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

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

@media (max-width: 768px) {
    .header-container {
        padding: var(--spacing-md);
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: white;
        border-bottom: 1px solid var(--color-medium);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    .hero {
        min-height: 350px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

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

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

    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
        width: 100%;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }

    section {
        padding: var(--spacing-2xl) 0;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

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

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

    .logo-img {
        height: 40px;
    }

    .nav-menu {
        gap: var(--spacing-sm);
    }

    .hero-ctas {
        gap: var(--spacing-sm);
    }

    .footer-links {
        gap: var(--spacing-sm);
    }

    .footer-links a {
        font-size: 0.85rem;
    }

    .cta-box h2 {
        font-size: 1.8rem;
    }

    .cta-box > p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.4rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    h3 {
        font-size: 1rem;
    }

    .hero {
        min-height: 300px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

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

    .hero-ctas {
        margin-top: var(--spacing-lg);
    }

    .hero-ctas .btn {
        font-size: 0.9rem;
        padding: 10px 16px;
    }

    .btn {
        width: 100%;
    }

    .trust-grid {
        gap: var(--spacing-lg);
    }

    .trust-logo {
        max-height: 100px;
    }

    .benefit-card {
        padding: var(--spacing-lg);
    }

    .preference-card {
        padding: var(--spacing-lg);
    }

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

    .cta-box h2 {
        font-size: 1.5rem;
    }

    .hero-content {
        padding: var(--spacing-xl) var(--spacing-md);
    }
}