/* --------------------------------------------------------
   RESUME THEME DESIGN SYSTEM (VANILLA CSS - MINIMALIST)
   Developer: Hart Lorenzo S. Pableo
   Design: Editorial, ultra-clean, minimal typography focus
   -------------------------------------------------------- */

/* 1. Reset and Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Fluid typography */
  --font-size-name: clamp(1.75rem, 4.5vw, 2.25rem);
  --font-size-title: clamp(0.95rem, 2vw, 1.05rem);
  --font-size-h2: clamp(1.1rem, 2.5vw, 1.2rem);
  --font-size-h3: clamp(0.98rem, 2vw, 1.05rem);
  --font-size-body: clamp(0.9rem, 0.5vw + 0.72rem, 0.95rem);
  --font-size-meta: clamp(0.8rem, 0.4vw + 0.65rem, 0.85rem);

  /* Fluid margins/paddings */
  --space-xs: clamp(0.35rem, 1vw, 0.5rem);
  --space-sm: clamp(0.55rem, 1.5vw, 0.75rem);
  --space-md: clamp(0.8rem, 2vw, 1.1rem);
  --space-lg: clamp(1.2rem, 3vw, 1.6rem);
  --space-xl: clamp(1.8rem, 4vw, 2.4rem);

  /* Timings */
  --transition-fast: 0.12s ease;
  --transition-normal: 0.22s cubic-bezier(0.4, 0, 0.2, 1);

  /* Minimal Color Palette - Light Theme */
  --bg-body: #ffffff;
  --text-main: #18181b;      /* Zinc 900 - Contrast 17.4:1 (passes AAA) */
  --text-muted: #3f3f46;     /* Zinc 700 - Contrast 10.1:1 (passes AAA) */
  --text-light: #52525b;     /* Zinc 600 - Contrast 7.77:1 (passes AAA) */
  --accent: #0f172a;         /* Slate 900 */
  --accent-light: #f4f4f5;   /* Zinc 100 */
  --border: #d4d4d8;         /* Zinc 300 - Slightly darker for better divider visibility */
  --border-focus: #18181b;
  --link-color: #18181b;
  --link-hover: #52525b;     /* Zinc 600 - Contrast 7.77:1 (passes AAA) */
}

/* Minimal Color Palette - Dark Theme */
[data-theme="dark"] {
  --bg-body: #09090b;        /* Zinc 950 */
  --text-main: #fafafa;      /* Zinc 50 */
  --text-muted: #d4d4d8;     /* Zinc 300 */
  --text-light: #a1a1aa;     /* Zinc 400 */
  --accent: #f4f4f5;         /* Zinc 100 */
  --accent-light: #18181b;   /* Zinc 900 */
  --border: #27272a;         /* Zinc 800 */
  --border-focus: #fafafa;
  --link-color: #fafafa;
  --link-hover: #a1a1aa;
}

/* 2. Global Resets & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-muted);
  font-size: var(--font-size-body);
  line-height: 1.62;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 1.5px solid var(--border-focus);
  outline-offset: 3px;
}

/* 3. Action Bar (Ultra-minimal Header Navigation) */
.action-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem var(--space-md);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="dark"] .action-bar {
  background-color: rgba(9, 9, 11, 0.85);
}

.action-bar-container {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-main);
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Minimalist Button Styling */
.icon-btn, .text-link-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  font-family: var(--font-body);
  transition: color var(--transition-fast);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem;
}

.icon-btn:hover, .text-link-btn:hover {
  color: var(--text-light);
}

.text-link-btn {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.theme-toggle .sun-icon {
  display: none;
}
.theme-toggle .moon-icon {
  display: block;
}
[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}
[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

/* 4. Main Document Container */
.resume-container {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-xl) var(--space-md);
}

/* 5. Resume Header */
.resume-header {
  margin-bottom: var(--space-xl);
}

.resume-header .name {
  font-size: var(--font-size-name);
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--text-main);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.resume-header .title {
  font-size: var(--font-size-title);
  color: var(--text-light);
  margin-bottom: 0.8rem;
  font-weight: 400;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-meta);
}

.contact-links a {
  text-decoration: none;
  color: var(--text-muted);
}

.contact-links a:hover {
  color: var(--text-main);
  text-decoration: underline;
}

.contact-links .separator {
  color: var(--border);
  user-select: none;
}

/* 6. Section Layouts */
.section {
  border-top: 1px solid var(--border);
  padding-top: var(--space-lg);
  margin-top: var(--space-xl);
  transition: border-color var(--transition-normal);
}

.section-title {
  font-size: var(--font-size-h2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-main);
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: var(--font-size-body);
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  max-width: 65ch;
}

.about-content p {
  margin-bottom: 1rem;
}

.about-content p strong {
  color: var(--text-main);
  font-weight: 600;
}

.lead {
  font-size: clamp(1rem, 1vw + 0.8rem, 1.05rem);
  color: var(--text-main);
  line-height: 1.55;
}

.benefits-list {
  margin-top: 1.2rem;
  margin-bottom: 1.5rem;
  padding-left: 1.25rem;
  list-style-type: disc;
}

.benefits-list li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.benefits-list li strong {
  color: var(--text-main);
  font-weight: 600;
}

/* 7. Experience Timeline (Ultra-minimal list) */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.job-item {
  display: flex;
  flex-direction: column;
}

.job-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
}

.job-role {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--text-main);
}

.job-date {
  font-size: var(--font-size-meta);
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.job-sub {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  font-size: var(--font-size-meta);
  color: var(--text-light);
  margin-top: 0.15rem;
  margin-bottom: 0.6rem;
}

.job-company {
  font-weight: 500;
}

.job-type {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  border: 1px solid var(--border);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
}

.job-desc {
  margin-bottom: var(--space-sm);
}

.job-tech, .project-tech {
  font-size: var(--font-size-meta);
  color: var(--text-light);
  line-height: 1.5;
}

.job-tech strong, .project-tech strong {
  color: var(--text-muted);
  font-weight: 500;
}

/* 8. Projects Layout */
.project-item {
  display: flex;
  flex-direction: column;
}

.project-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: 0.35rem;
}

.project-name {
  font-size: var(--font-size-h3);
  font-weight: 600;
}

.project-name a {
  color: var(--text-main);
  text-decoration: none;
}

.project-name a:hover {
  text-decoration: underline;
}

.project-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--accent-light);
  color: var(--text-main);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
}

.project-desc {
  margin-bottom: var(--space-sm);
}

/* 9. Focus Areas Grid */
.focus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 600px) {
  .focus-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

.focus-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.focus-item strong {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.focus-item span {
  font-size: var(--font-size-meta);
  color: var(--text-muted);
  line-height: 1.5;
}

/* 10. Footer */
.footer {
  width: 100%;
  max-width: 720px;
  margin: var(--space-xl) auto 0 auto;
  border-top: 1px solid var(--border);
  padding-top: var(--space-md);
  padding-bottom: var(--space-lg);
  font-size: var(--font-size-meta);
  color: var(--text-light);
  text-align: center;
  transition: border-color var(--transition-normal);
}