/* ========================================
   Ian Forde — Personal Website Styles
   Healthcare Professional Building Digital Health Solutions
   ======================================== */

:root {
    --color-bg: #0b0f1a;
    --color-bg-elevated: #111827;
    --color-surface: #1a2332;
    --color-surface-hover: #222d3f;
    --color-primary: #14b8a6;
    --color-primary-light: #2dd4bf;
    --color-primary-dark: #0d9488;
    --color-accent: #38bdf8;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;
    --color-border: rgba(148, 163, 184, 0.1);
    --color-border-strong: rgba(148, 163, 184, 0.2);
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Space Grotesk', var(--font-body);
    --radius: 12px;
    --radius-lg: 16px;
    --max-width: 1200px;
    --nav-height: 64px;
    --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(11, 15, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

.nav-links a:hover::after { width: 100%; }

.nav-cta {
    background: var(--color-primary);
    color: var(--color-bg) !important;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 600 !important;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + 4rem) 1.5rem 4rem;
    max-width: var(--max-width);
    margin: 0 auto;
    gap: 4rem;
}

.hero-content { flex: 1; max-width: 640px; }

.hero-kicker {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-title .line { display: block; }

.hero-title .accent {
    color: var(--color-primary);
    position: relative;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 520px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border-strong);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* Hero code window */
.hero-visual { flex: 1; max-width: 520px; }

.code-window {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-strong);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,0.35);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.4s ease;
}

.code-window:hover { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }

.code-header {
    background: rgba(0,0,0,0.25);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--color-border);
}

.dot { width: 10px; height: 10px; border-radius: 50%; display: block; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.code-title {
    margin-left: 8px;
    font-size: 0.75rem;
    color: var(--color-text-dim);
    font-family: 'SF Mono', monospace;
}

.code-body { padding: 1.25rem; overflow-x: auto; }

.code-body pre {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}

.token-comment { color: var(--color-text-dim); }
.token-keyword { color: #c084fc; }
.token-func { color: #60a5fa; }
.token-string { color: #34d399; }

/* ---------- Section Headers ---------- */
.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; }

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-top: 0.75rem;
    max-width: 600px;
}

.section-header.center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ---------- About ---------- */
.about {
    padding: 6rem 0;
    background: var(--color-bg-elevated);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
    line-height: 1.75;
}

.about-text p em {
    color: var(--color-text);
    font-style: italic;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.highlight-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.highlight-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.highlight-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.highlight-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* ---------- Projects ---------- */
.projects {
    padding: 6rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.2);
}

.project-card.featured {
    border-color: var(--color-primary-dark);
    background: linear-gradient(135deg, var(--color-surface) 0%, rgba(20, 184, 166, 0.05) 100%);
}

.project-badge {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    background: rgba(20, 184, 166, 0.1);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
}

.project-icon {
    width: 44px; height: 44px;
    background: rgba(20, 184, 166, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--color-primary);
}

.project-icon svg { width: 22px; height: 22px; }

.project-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.project-url {
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 500;
    font-family: 'SF Mono', monospace;
    margin-bottom: 0.75rem;
    display: block;
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
    margin-bottom: 1.25rem;
}

.project-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
}

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

/* ---------- Experience / Timeline ---------- */
.experience {
    padding: 6rem 0;
    background: var(--color-bg-elevated);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0.35rem;
    width: 10px; height: 10px;
    background: var(--color-bg);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    transform: translateX(-4px);
}

.timeline-item.current .timeline-marker {
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.2);
}

.timeline-date {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.25rem;
    display: block;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-org {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.timeline-content p:last-child {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ---------- Publications ---------- */
.publications {
    padding: 6rem 0;
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.publication-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: var(--transition);
}

.publication-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-2px);
}

.pub-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    background: rgba(20, 184, 166, 0.1);
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.pub-badge.under-review { color: #f59e0b; background: rgba(245, 158, 11, 0.1); }

.publication-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.pub-meta {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    font-style: italic;
    margin-bottom: 0.75rem;
}

.pub-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.pub-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
}

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

/* ---------- Skills ---------- */
.skills {
    padding: 6rem 0;
    background: var(--color-bg-elevated);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.skill-category {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: var(--transition);
}

.skill-category:hover { border-color: var(--color-primary); }

.skill-category h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.skill-category ul { list-style: none; }

.skill-category li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--color-border);
}

.skill-category li:last-child { border-bottom: none; }

/* ---------- Education ---------- */
.education {
    padding: 6rem 0;
}

.edu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.edu-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.edu-card:hover { border-color: var(--color-border-strong); }

.edu-card.current {
    border-color: var(--color-primary-dark);
    background: linear-gradient(135deg, var(--color-surface) 0%, rgba(20, 184, 166, 0.05) 100%);
}

.edu-status {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    display: block;
}

.edu-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.4rem;
}

.edu-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ---------- Contact ---------- */
.contact {
    padding: 6rem 0;
    background: var(--color-bg-elevated);
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-text h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-text > p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-details { display: flex; flex-direction: column; gap: 1rem; }

.contact-row {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-row:hover { color: var(--color-text); }

.contact-row svg {
    width: 20px; height: 20px;
    flex-shrink: 0;
    color: var(--color-primary);
}

/* Terminal visual */
.contact-visual {
    display: flex;
    justify-content: center;
}

.terminal {
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,0.3);
}

.terminal-header {
    background: rgba(0,0,0,0.25);
    padding: 0.75rem 1rem;
    display: flex;
    gap: 6px;
    border-bottom: 1px solid var(--color-border);
}

.terminal-dot { width: 10px; height: 10px; border-radius: 50%; display: block; }
.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-body {
    padding: 1.25rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.terminal-body .prompt { color: var(--color-primary); font-weight: 600; }
.terminal-body .cmd { color: var(--color-accent); }
.terminal-body .cursor-line { color: var(--color-text); }

.cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
    color: var(--color-primary);
}

@keyframes blink { 50% { opacity: 0; } }

/* ---------- Footer ---------- */
.footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-inner p {
    color: var(--color-text-dim);
    font-size: 0.85rem;
}

.footer-tagline {
    margin-top: 0.3rem;
    font-size: 0.75rem !important;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .edu-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height); right: 0;
        width: 100%;
        flex-direction: column;
        background: var(--color-bg-elevated);
        border-bottom: 1px solid var(--color-border);
        padding: 1.5rem;
        gap: 1.25rem;
        transform: translateY(-150%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle { display: flex; }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: calc(var(--nav-height) + 2rem);
    }

    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual { max-width: 100%; }
    .code-window { transform: none; }

    .projects-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .edu-grid { grid-template-columns: 1fr; }
    .about-highlights { grid-template-columns: 1fr 1fr; }

    .timeline { padding-left: 1.5rem; }
    .timeline-marker { left: -1.5rem; transform: translateX(-3px); }
}

@media (max-width: 480px) {
    .about-highlights { grid-template-columns: 1fr; }
    .btn { width: 100%; }
}