/* ============================================================
   DESIGN SYSTEM — CSS Custom Properties
   ============================================================ */
:root {
  /* Colors — editorial monochrome palette */
  --color-bg:          #FFFFFF;
  --color-bg-subtle:   #F7F7F7;
  --color-text:        #111111;
  --color-text-muted:  #555555;
  --color-text-faint:  #888888;
  --color-border:      #E0E0E0;
  --color-border-dark: #111111;
  --color-black:       #111111;

  /* Legacy aliases — kept so blog articles don't break */
  --color-navy:       #111111;
  --color-navy-mid:   #F7F7F7;
  --color-navy-light: #F0F0F0;
  --color-gold:       #111111;
  --color-gold-light: #333333;
  --color-gold-muted: rgba(0, 0, 0, 0.04);
  --color-white:      #FFFFFF;
  --color-off-white:  #F7F7F7;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type scale */
  --text-hero:    clamp(4rem, 11vw, 8rem);
  --text-display: clamp(2.25rem, 5vw, 3.5rem);
  --text-xl:      1.5rem;
  --text-lg:      1.125rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width:    1100px;
  --nav-height:   68px;
  --radius:       6px;
  --radius-lg:    12px;

  /* Shadows — very subtle */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);

  /* Transitions */
  --ease-fast: 150ms ease;
  --ease-base: 220ms ease;
  --ease-slow: 420ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease-base);
}

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

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.nav-links {
  display: none;
  gap: var(--space-8);
  align-items: center;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--ease-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: width var(--ease-base);
}

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

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

/* Remove special CTA styling — Contact is just a plain link */
.nav-link.nav-cta {
  background: none;
  color: var(--color-text-muted);
  padding: 0;
  border-radius: 0;
  font-weight: 500;
}

.nav-link.nav-cta::after {
  display: block;
}

.nav-link.nav-cta:hover {
  background: none;
  color: var(--color-text);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--ease-base), opacity var(--ease-base);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-base);
  z-index: 150;
  border-top: 1px solid var(--color-border);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--ease-base);
}

.mobile-nav-link:hover {
  color: var(--color-text-muted);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all var(--ease-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-text);
  color: #FFFFFF;
  border: 1.5px solid var(--color-text);
}

.btn-primary:hover {
  background: #333333;
  border-color: #333333;
}

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

.btn-outline:hover {
  background: var(--color-text);
  color: #FFFFFF;
}

.btn-full {
  width: 100%;
}

/* ============================================================
   SHARED SECTION UTILITIES
   ============================================================ */
.section-light  { background: var(--color-bg-subtle); }
.section-white  { background: var(--color-bg); }
.section-dark   { background: var(--color-bg-subtle); }

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

.section-label-light {
  color: var(--color-text-faint);
}

.section-heading {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.section-heading em {
  font-style: italic;
  color: var(--color-text);
}

.section-heading.light {
  color: var(--color-text);
}

.section-heading.centered {
  text-align: center;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.75;
  margin-bottom: var(--space-12);
}

.section-sub.centered {
  text-align: center;
  margin-inline: auto;
}

.section-sub.light {
  color: var(--color-text-muted);
}

/* Tags / Pills */
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 20px;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.tag-dark {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transition: opacity var(--ease-slow);
}

.animate-on-scroll.visible {
  opacity: 1;
}

/* ============================================================
   HERO
   ============================================================ */
.section-hero {
  min-height: 92vh;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-20);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-content {
  max-width: 900px;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
}

.hero-name {
  font-family: var(--font-heading);
  font-size: var(--text-hero);
  font-weight: 900;
  color: var(--color-text);
  line-height: 0.95;
  margin-bottom: var(--space-8);
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.55;
  margin-bottom: var(--space-3);
  max-width: 580px;
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Hero entrance animations */
.animate-hero {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

.hero-eyebrow  { animation-delay: 0.05s; }
.hero-name     { animation-delay: 0.15s; }
.hero-tagline  { animation-delay: 0.28s; }
.hero-sub      { animation-delay: 0.38s; }
.hero-ctas     { animation-delay: 0.48s; }

@keyframes fadeIn {
  to { opacity: 1; }
}

/* Scroll-down arrow — hidden, was only needed on dark hero */
.scroll-down {
  display: none;
}

/* ============================================================
   ABOUT
   ============================================================ */
.section-about {
  padding: var(--space-20) 0;
}

.about-grid {
  display: grid;
  gap: var(--space-12);
}

.about-photo-col {
  display: flex;
  justify-content: center;
}

.about-photo-wrap {
  position: relative;
  width: 240px;
  height: 240px;
  flex-shrink: 0;
}

.about-photo-wrap img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  border-radius: var(--radius);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-faint);
}

.about-bio {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: var(--space-4);
}

.certs-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.cert-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  padding: var(--space-1) var(--space-3);
  border-radius: 20px;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.stats-row {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 100px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-6);
  text-align: center;
  transition: border-color var(--ease-base);
}

.stat-card:hover {
  border-color: var(--color-text);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--color-text);
  line-height: 1;
}

.stat-plus {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-2);
}

/* ============================================================
   EXPERIENCE TIMELINE
   ============================================================ */
.section-experience {
  padding: var(--space-20) 0;
}

.timeline {
  position: relative;
  margin-top: var(--space-4);
  padding-left: 28px;
}

/* Vertical line */
.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
}

.timeline-dot {
  position: absolute;
  left: -24px;
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-text);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 1px var(--color-border);
  z-index: 1;
}

.timeline-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6) var(--space-8);
  transition: border-color var(--ease-base);
}

.timeline-card:hover {
  border-color: var(--color-text);
}

.timeline-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.timeline-company {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  text-transform: uppercase;
}

.timeline-date {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  font-weight: 500;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.timeline-bullets {
  list-style: none;
  margin-bottom: var(--space-4);
}

.timeline-bullets li {
  position: relative;
  padding-left: var(--space-5);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-2);
}

.timeline-bullets li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-text-faint);
  font-weight: 400;
}

.timeline-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ============================================================
   FREELANCE PROJECTS
   ============================================================ */
.section-freelance {
  padding: var(--space-20) 0;
}

.projects-grid {
  display: grid;
  gap: var(--space-6);
}

.project-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: border-color var(--ease-base), transform var(--ease-base);
}

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

.project-accent {
  height: 2px;
  background: var(--color-text);
}

.project-body {
  padding: var(--space-6) var(--space-8);
}

.project-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.project-client {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  font-weight: 500;
  margin-bottom: var(--space-4);
  letter-spacing: 0.03em;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.project-outcome {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-subtle);
  border-radius: var(--radius);
  border-left: 2px solid var(--color-text);
}

.outcome-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  white-space: nowrap;
  padding-top: 1px;
}

.outcome-value {
  font-size: 0.875rem;
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.5;
}

.freelance-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--space-8);
}

.freelance-note a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.freelance-note a:hover {
  color: var(--color-text-muted);
}

/* ============================================================
   SKILLS
   ============================================================ */
.section-skills {
  padding: var(--space-20) 0;
  background: var(--color-bg-subtle);
}

.skills-grid {
  display: grid;
  gap: var(--space-6);
}

.skill-group {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: var(--space-6) var(--space-8);
  border: 1px solid var(--color-border);
}

.skill-group-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: 20px;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: all var(--ease-base);
}

.pill:hover {
  background: var(--color-text);
  color: #FFFFFF;
  border-color: var(--color-text);
}

/* ============================================================
   BLOG
   ============================================================ */
.section-blog {
  padding: var(--space-20) 0;
}

.blog-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

.blog-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--ease-base), transform var(--ease-base);
}

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

.blog-card-inner {
  padding: var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.blog-date {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.blog-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.blog-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  transition: color var(--ease-base);
}

.blog-card:hover .blog-title {
  color: var(--color-text-muted);
}

.blog-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: var(--space-6);
}

.blog-read-more {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--ease-base);
  cursor: default;
}

.blog-card:hover .blog-read-more {
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   CONTACT
   ============================================================ */
.section-contact {
  padding: var(--space-20) 0;
}

.contact-grid {
  display: grid;
  gap: var(--space-10);
}

/* Form */
.contact-form {
  background: var(--color-bg-subtle);
  padding: var(--space-8);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--ease-fast);
  appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-text);
}

.form-input.error {
  border-color: #dc2626;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  display: block;
  font-size: 0.75rem;
  color: #dc2626;
  margin-top: var(--space-1);
  min-height: 1em;
}

.form-success {
  text-align: center;
  font-size: 0.95rem;
  color: #16a34a;
  font-weight: 600;
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: #f0fdf4;
  border-radius: var(--radius);
  border: 1px solid #bbf7d0;
}

/* Contact info */
.contact-info-heading {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.contact-detail {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.contact-icon svg {
  width: 18px;
  height: 18px;
}

.contact-detail-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}

.contact-detail-value {
  font-size: 0.92rem;
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--ease-base);
}

a.contact-detail-value:hover {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-availability {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding: var(--space-3) var(--space-4);
  background: #f0fdf4;
  border-radius: var(--radius);
  border: 1px solid #bbf7d0;
  font-size: 0.875rem;
  font-weight: 600;
  color: #16a34a;
}

.availability-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
  animation: pulse-green 2s ease infinite;
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2); }
  50%       { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.08); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-bg);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-link {
  font-size: 0.82rem;
  color: var(--color-text-faint);
  transition: color var(--ease-base);
}

.footer-link:hover {
  color: var(--color-text);
}

/* ============================================================
   RESPONSIVE — Tablet 768px+
   ============================================================ */
@media (min-width: 768px) {

  .nav-links {
    display: flex;
  }

  .hamburger {
    display: none;
  }

  .section-hero {
    padding-inline: var(--space-8);
  }

  .about-grid {
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: var(--space-16);
  }

  .about-photo-col {
    justify-content: flex-start;
  }

  .timeline {
    padding-left: 40px;
  }

  .timeline::before {
    left: 14px;
  }

  .timeline-dot {
    left: -31px;
    width: 14px;
    height: 14px;
  }

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

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* ============================================================
   RESPONSIVE — Desktop 1024px+
   ============================================================ */
@media (min-width: 1024px) {

  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  /* Alternating timeline at desktop */
  .timeline {
    padding-left: 0;
    padding-right: 0;
    max-width: 880px;
    margin-inline: auto;
  }

  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
    top: 12px;
  }

  .timeline-item {
    display: grid;
    grid-template-columns: 1fr 28px 1fr;
    gap: 0 var(--space-6);
    align-items: start;
    margin-bottom: var(--space-8);
  }

  .timeline-dot {
    position: static;
    align-self: start;
    margin-top: 18px;
    width: 14px;
    height: 14px;
  }

  .timeline-item:nth-child(odd) .timeline-card  { grid-column: 1; grid-row: 1; }
  .timeline-item:nth-child(odd) .timeline-dot   { grid-column: 2; grid-row: 1; }

  .timeline-item:nth-child(even) .timeline-dot  { grid-column: 2; grid-row: 1; }
  .timeline-item:nth-child(even) .timeline-card { grid-column: 3; grid-row: 1; }

  .timeline-card:hover {
    transform: translateY(-2px);
  }

  .stats-row {
    flex-wrap: nowrap;
  }
}

/* ============================================================
   ARTICLE PAGE — blog/*.html
   ============================================================ */
.article-hero {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-16);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-8);
  transition: color var(--ease-base);
}

.article-back:hover { color: var(--color-text); }

.article-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.article-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--color-text);
  line-height: 1.15;
  max-width: 800px;
  margin-bottom: var(--space-6);
}

.article-byline {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.article-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.article-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFFFFF;
  flex-shrink: 0;
}

.article-author-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.article-author-title {
  font-size: 0.75rem;
  color: var(--color-text-faint);
}

.article-pub-date {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  font-weight: 500;
}

/* Article body */
.article-body {
  padding: var(--space-16) 0 var(--space-20);
  background: var(--color-bg);
}

.article-content {
  max-width: 700px;
  margin-inline: auto;
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article-content ul,
.article-content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}

.article-content li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.article-content ul li::marker { color: var(--color-text-faint); }

.article-content strong { color: var(--color-text); }

.article-callout {
  border-left: 2px solid var(--color-text);
  background: var(--color-bg-subtle);
  padding: var(--space-4) var(--space-6);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: var(--space-8) 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  font-style: italic;
}

.article-footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  margin-top: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.article-footer-author {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.article-footer-author strong {
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-1);
}

.article-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--color-text);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  transition: background var(--ease-base);
}

.article-cta:hover {
  background: #333333;
}