/* ============================================
   Anthony Cugnetto — Portfolio
   ============================================ */

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

:root {
    --color-bg: #fafaf9;
    --color-bg-alt: #f5f5f4;
    --color-surface: #ffffff;
    --color-text: #1c1917;
    --color-text-secondary: #57534e;
    --color-text-muted: #a8a29e;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-accent-light: #eff6ff;
    --color-border: #e7e5e4;
    --color-border-hover: #d6d3d1;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);

    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
}

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

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

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

/* --- Container --- */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 249, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
    border-bottom-color: var(--color-border);
}

.nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.nav-logo:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

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

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 99;
    padding: var(--space-lg) var(--space-xl);
    flex-direction: column;
    gap: var(--space-md);
}

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

.mobile-menu a {
    color: var(--color-text-secondary);
    font-size: 1rem;
    font-weight: 500;
    padding: var(--space-sm) 0;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #292524;
    color: var(--color-bg);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* --- Hero --- */
.hero {
    padding: 10rem 0 var(--space-4xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    max-width: 680px;
}

.hero-headshot {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.hero-headshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.hero-subtitle a {
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-metrics {
    display: flex;
    gap: var(--space-3xl);
    margin-top: var(--space-4xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.metric {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.metric-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Sections --- */
.section {
    padding: var(--space-4xl) 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2xl);
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin-bottom: var(--space-3xl);
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.detail-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.detail-card:last-child {
    margin-bottom: 0;
}

.detail-card h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

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

.detail-card li {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.detail-card li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.muted {
    font-size: 0.825rem;
    color: var(--color-text-muted);
}

/* --- Timeline --- */
.timeline {
    position: relative;
    padding-left: var(--space-2xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-2xl);
}

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

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-2xl) + 2px);
    top: 8px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--color-accent);
}

.timeline-item:first-child .timeline-marker {
    background: var(--color-accent);
}

.timeline-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--color-border-hover);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-xs);
}

.timeline-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.timeline-company {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.timeline-description {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    background: var(--color-bg-alt);
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
}

/* --- Case Studies --- */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.case-study-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.case-study-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.case-study-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.case-study-partner {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

.case-study-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.case-study-title {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.4;
    margin-bottom: var(--space-lg);
}

.case-study-metrics {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
}

.case-study-metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.case-study-metric-value {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-text);
}

.case-study-metric-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.case-study-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.case-study-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: color var(--transition), gap var(--transition);
}

.case-study-link:hover {
    color: var(--color-accent);
    gap: var(--space-sm);
}

/* --- Contact --- */
.contact-content {
    text-align: center;
    max-width: 520px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* --- Footer --- */
.footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer p {
    font-size: 0.825rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .case-studies-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 7rem 0 var(--space-3xl);
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-grid .hero-content {
        order: 2;
    }

    .hero-grid .hero-headshot {
        order: 1;
        width: 180px;
        height: 180px;
    }

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

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-metrics {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .case-study-metrics {
        flex-direction: column;
        gap: var(--space-md);
    }

    .timeline-header {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .container {
        padding: 0 var(--space-lg);
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
    }
}