@import url('theme-tokens.css');

/* ==========================================================================
   Michael Stack Development — Public Website Stylesheet
   ========================================================================== */

/* ---- Navigation ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4.5rem;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    cursor: pointer;
}

.nav-logo .logo-accent-bar {
    width: 3px;
    height: 38px;
    background-color: var(--primary-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 0 10px var(--primary-glow);
}

.nav-logo h2 {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.02em;
    line-height: 1;
}

.nav-logo .logo-sub {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-top: 3px;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

.nav-link {
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.25rem 0;
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.theme-toggle {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    width: 2.35rem;
    height: 2.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.05rem;
    color: var(--text-main);
    transition: var(--transition-normal);
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.08) rotate(15deg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
}

.nav-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--text-main);
    transition: var(--transition-normal);
}

/* ---- Hero Section ---- */
.hero {
    min-height: 92vh;
    padding: 9.5rem 1.5rem 5.5rem;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.95rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--status-success);
    box-shadow: 0 0 0 0 rgba(21, 128, 61, 0.5);
    animation: status-pulse 2s infinite ease-in-out;
}

@keyframes status-pulse {
    0% { box-shadow: 0 0 0 0 rgba(21, 128, 61, 0.6); }
    70% { box-shadow: 0 0 0 6px rgba(21, 128, 61, 0); }
    100% { box-shadow: 0 0 0 0 rgba(21, 128, 61, 0); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 4.5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 1.25rem;
}

.hero-title .highlight {
    color: var(--primary-color);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.85rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border-color: var(--border-color);
}

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

/* Terminal / Code Window Preview */
.tech-window {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.tech-window:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.tech-window-header {
    padding: 0.75rem 1.25rem;
    background: var(--bg-surface-elevated);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
}
.window-dot:nth-child(1) { background: #EF4444; }
.window-dot:nth-child(2) { background: #F59E0B; }
.window-dot:nth-child(3) { background: #10B981; }

.tech-window-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 0.05em;
}

.tech-window-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
}

.code-line {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.code-prompt {
    color: var(--primary-color);
    font-weight: 700;
    user-select: none;
}

.code-output {
    color: var(--text-muted);
}

.code-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.75rem;
}

/* ---- Section Headers ---- */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 3.5rem;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--primary-color);
    margin-bottom: 0.65rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
    line-height: 1.2;
    margin-bottom: 0.85rem;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---- Portfolio Section ---- */
.portfolio {
    background: var(--bg-surface-elevated);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.filter-btn {
    font-family: var(--font-mono);
    font-size: 0.825rem;
    font-weight: 600;
    padding: 0.45rem 1.15rem;
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--text-on-primary);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    background: var(--bg-surface-subtle);
    height: 220px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.04);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(18, 16, 14, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition-normal);
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h4 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: #FFFFFF;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    font-size: 0.875rem;
    color: #D1C7BD;
    margin-bottom: 1.25rem;
}

.portfolio-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.portfolio-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    transition: var(--transition-fast);
}

.portfolio-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.portfolio-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.portfolio-header h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-main);
}

.status-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.status-badge.active {
    background: var(--status-success-bg);
    color: var(--status-success);
    border: 1px solid var(--status-success);
}

.status-badge.in-progress {
    background: var(--primary-light);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.portfolio-info p {
    font-size: 0.925rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 1.25rem;
    flex: 1;
}

.portfolio-tech {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.725rem;
    font-weight: 500;
    padding: 0.2rem 0.6rem;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

/* ---- Services Section ---- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.25rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-amber));
    opacity: 0;
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon-box {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.65rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon-box {
    background: var(--primary-light);
    border-color: var(--primary-color);
    transform: scale(1.08);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.25rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.service-features li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: 700;
    font-family: var(--font-mono);
}

/* ---- About Section ---- */
.about {
    background: var(--bg-surface-elevated);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    color: var(--text-main);
    margin-bottom: 1.25rem;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.about-skills {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.skill-category h4 {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.skills-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.skill-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1rem;
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.skill-pill:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ---- Contact Section ---- */
.contact {
    background: var(--bg-surface-elevated);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 4rem;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.contact-item-icon {
    font-size: 1.5rem;
}

.contact-item h4 {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.2rem;
}

.contact-item p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.contact-form {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-main);
    background: var(--bg-base);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg-surface);
}

/* ---- Footer ---- */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 4.5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 360px;
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.825rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-color);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.925rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.875rem;
}

/* Case Study Single Page (.testimonials-page) */
.testimonials-page {
    min-height: 90vh;
    padding: 8.5rem 1.5rem 5rem;
}

.testimonials-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 3.5rem;
}

.testimonials-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4vw, 3rem);
    color: var(--text-main);
    margin-bottom: 1rem;
}

.project-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 2rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: var(--primary-color);
    color: var(--text-on-primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.project-link:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.submit-review-section {
    max-width: 650px;
    margin: 3.5rem auto 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.75rem;
    box-shadow: var(--shadow-md);
}

.submit-review-section h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 0.5rem;
}

.submit-review-section > p {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.star-rating {
    display: flex;
    gap: 0.35rem;
    margin: 0.5rem 0;
}

.star-rating .star {
    font-size: 2rem;
    color: var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.star-rating .star:hover,
.star-rating .star.active {
    color: var(--accent-amber);
    transform: scale(1.1);
}

/* Notifications */
.notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    font-size: 0.925rem;
    animation: slideUp 0.3s ease;
}
.notification-success { border-left: 4px solid var(--status-success); color: var(--text-main); }
.notification-error { border-left: 4px solid var(--status-danger); color: var(--text-main); }

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .hero-grid,
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero {
        padding-top: 7.5rem;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 4.5rem;
        flex-direction: column;
        background: var(--bg-base);
        width: 100%;
        padding: 2.5rem 1.5rem;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-lg);
        gap: 1.75rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }
}