/* --------------------------------------------------------------------------
   Mark Edwin Whiffen - Personal Website Stylesheet
   -------------------------------------------------------------------------- */

/* Custom Variables */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-light: #64748b;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-accent: #3b82f6;
    --color-border: #e2e8f0;
    
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-container {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-tagline {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.25rem;
    color: var(--color-text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-light);
    transform: translateY(-1px);
}

.btn-tertiary {
    background-color: transparent;
    color: var(--color-text-secondary);
    border: 1px dashed var(--color-border);
}

.btn-tertiary:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-light);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

/* Header & Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
}

.logo-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background-color: var(--color-primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    border-radius: 8px;
}

.logo-text {
    letter-spacing: -0.01em;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.hamburger {
    display: block;
    position: relative;
    width: 1.5rem;
    height: 2px;
    background: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 1.5rem;
    height: 2px;
    background: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

.primary-navigation {
    display: block;
}

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

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

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

/* Hero Section */
.hero-section {
    padding: 8rem 0 6rem;
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.03), transparent 40%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.hero-subheadline {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.hero-intro {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.profile-image-wrapper {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid #ffffff;
    background-color: var(--color-bg-alt);
    transition: transform var(--transition-normal);
}

.profile-image-wrapper:hover {
    transform: scale(1.02);
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.profile-fallback-badge {
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: 4rem;
    font-weight: 800;
}

/* About Section */
.about-section {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-content {
    max-width: 800px;
}

.lead-text {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    line-height: 1.7;
}

/* Insurance Help Section */
.insurance-section {
    background-color: #ffffff;
}

.insurance-intro {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
}

.insurance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.insurance-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.insurance-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
    background: #ffffff;
}

.insurance-card-icon {
    width: 2.75rem;
    height: 2.75rem;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.insurance-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
    color: var(--color-text-primary);
}

.insurance-card-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    flex-grow: 1;
}

.insurance-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 2.5rem;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.insurance-cta p {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

.compliance-note {
    font-size: 0.825rem;
    color: var(--color-text-light);
    text-align: center;
    max-width: 700px;
    margin: 2rem auto 0;
    line-height: 1.5;
}

/* Current Projects Section */
.projects-section {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-text-light);
}

.project-icon {
    width: 2.75rem;
    height: 2.75rem;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
}

.project-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.projects-footer {
    display: flex;
    justify-content: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.25rem;
    background-color: #ffffff;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
}

/* Domains Section */
.domains-section {
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border);
}

.domains-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
}

.domain-item {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast);
}

.domain-item:hover {
    border-color: var(--color-text-light);
}

.domain-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
}

.domain-name a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.domain-icon {
    color: var(--color-text-light);
}

.domain-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    text-align: right;
}

/* Skills Section */
.skills-section {
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
}

.skill-pill {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    text-align: center;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.skill-pill:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
}

/* Contact Section */
.contact-section {
    background-color: #ffffff;
}

.contact-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 3rem;
    max-width: 800px;
    box-shadow: var(--shadow-sm);
}

.contact-intro {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
}

.contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.contact-btn svg {
    transition: transform var(--transition-fast);
}

.contact-btn:hover svg {
    transform: scale(1.1);
}

.email-btn {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.email-btn:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.facebook-btn:hover {
    background-color: #f1f5f9;
    border-color: #1877f2;
    color: #1877f2;
    transform: translateY(-1px);
}

.linkedin-btn:hover {
    background-color: #f1f5f9;
    border-color: #0a66c2;
    color: #0a66c2;
    transform: translateY(-1px);
}

.github-btn:hover {
    background-color: #f1f5f9;
    border-color: #24292f;
    color: #24292f;
    transform: translateY(-1px);
}

/* Medicare Disclaimer Section */
.disclaimer-section {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0;
}

.disclaimer-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.disclaimer-text {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
    max-width: 900px;
}

/* Footer */
.site-footer {
    background-color: var(--color-text-primary);
    color: #94a3b8;
    padding: 3.5rem 0;
    border-top: 1px solid #1e293b;
    font-size: 0.875rem;
}

.footer-container {
    display: flex;
    justify-content: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    max-width: 800px;
}

.footer-educational {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.5;
}

.footer-copyright {
    color: #94a3b8;
}

/* --------------------------------------------------------------------------
   Responsive Layouts (Media Queries)
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-intro {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image-container {
        order: -1;
    }
    
    .profile-image-wrapper {
        width: 240px;
        height: 240px;
    }
    
    .hero-headline {
        font-size: 2.75rem;
    }
}

@media (max-width: 768px) {
    /* Mobile Menu styles */
    .mobile-nav-toggle {
        display: block;
    }
    
    .primary-navigation {
        position: fixed;
        top: 4.5rem;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: #ffffff;
        padding: 3rem 1.5rem;
        z-index: 99;
        display: none;
        box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.05);
    }
    
    .primary-navigation[data-visible="true"] {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    
    .nav-link {
        font-size: 1.25rem;
        font-weight: 600;
    }
    
    .mobile-nav-toggle[aria-expanded="true"] .hamburger {
        background: transparent;
    }
    
    .mobile-nav-toggle[aria-expanded="true"] .hamburger::before {
        transform: rotate(45deg) translate(4px, 4px);
    }
    
    .mobile-nav-toggle[aria-expanded="true"] .hamburger::after {
        transform: rotate(-45deg) translate(4px, -4px);
    }
    
    .section-container {
        padding: 4rem 0;
    }
    
    .domain-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .domain-desc {
        text-align: left;
    }
    
    .contact-card {
        padding: 2rem;
    }
}