/* ========================================
   1. CUSTOM PROPERTIES & RESET
   ======================================== */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --text-primary: #e4e4e7;
  --text-secondary: #9ca3af;
  --text-tertiary: #6b7280;
  --accent-primary: #4ade80;
  --accent-primary-dim: rgba(74, 222, 128, 0.12);
  --accent-primary-glow: rgba(74, 222, 128, 0.35);
  --accent-secondary: #a78bfa;
  --accent-secondary-dim: rgba(167, 139, 250, 0.12);
  --accent-tertiary: #60a5fa;
  --accent-tertiary-dim: rgba(96, 165, 250, 0.12);
  --border-color: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

/* ========================================
   2. UTILITY CLASSES
   ======================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.mono {
  font-family: "JetBrains Mono", "Fira Code", monospace;
}

.section {
  padding: 3.5rem 0;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__subtitle {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Scroll reveal — content visible by default, JS adds animation */
.reveal.reveal--init {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.reveal--init.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   3. COMPONENTS
   ======================================== */
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn--primary:hover {
  background: transparent;
  color: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-primary-glow);
}

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

.btn--outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--accent-primary-dim);
  color: var(--accent-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  transition: transform var(--transition-fast),
    background var(--transition-fast);
  margin: 0.25rem;
}

.tag:hover {
  transform: translateY(-2px);
  background: rgba(74, 222, 128, 0.22);
}

.tag--purple {
  background: var(--accent-secondary-dim);
  color: var(--accent-secondary);
}

.tag--purple:hover {
  background: rgba(167, 139, 250, 0.22);
}

.tag--blue {
  background: var(--accent-tertiary-dim);
  color: var(--accent-tertiary);
}

.tag--blue:hover {
  background: rgba(96, 165, 250, 0.22);
}

.tag--sm {
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition-base),
    box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  border-color: rgba(74, 222, 128, 0.3);
  box-shadow: 0 0 25px rgba(74, 222, 128, 0.08);
  transform: translateY(-3px);
}

/* ========================================
   4. NAVIGATION
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(10, 10, 15, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base),
    border-color var(--transition-base);
}

.nav--scrolled {
  background: rgba(10, 10, 15, 0.92);
  border-bottom-color: var(--border-color);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav__brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav__brand:hover {
  color: var(--accent-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.nav__links a:hover,
.nav__link--active {
  color: var(--accent-primary);
}

.nav__cta {
  background: var(--accent-primary-dim);
  color: var(--accent-primary) !important;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.nav__cta:hover {
  background: rgba(74, 222, 128, 0.2);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle--active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle--active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle--active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   5. HERO
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(74, 222, 128, 0.06) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(167, 139, 250, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 50% 80%,
      rgba(96, 165, 250, 0.04) 0%,
      transparent 50%
    ),
    var(--bg-primary);
}

.hero__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.hero__text {
  flex: 1;
}

.hero__greeting {
  color: var(--accent-primary);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.hero__name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.hero__title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.hero__tagline {
  color: var(--accent-primary);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  margin-bottom: 0.5rem;
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--accent-primary);
  animation: typing 2.5s steps(23) 0.8s forwards,
    blink 0.7s step-end infinite;
  width: 0;
  max-width: 23ch;
}

@keyframes typing {
  to {
    width: 23ch;
  }
}

@keyframes blink {
  50% {
    border-color: transparent;
  }
}

.hero__location {
  color: var(--text-tertiary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

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

.hero__image {
  flex-shrink: 0;
}

.hero__image img {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 40px var(--accent-primary-glow);
  object-fit: cover;
}

/* ========================================
   6. GITHUB HEATMAP
   ======================================== */
.heatmap-total {
  color: var(--accent-primary);
  font-size: 1.2em;
}

.heatmap-link {
  margin-left: 0.5rem;
  font-weight: 600;
}

.heatmap-years {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.heatmap-wrapper {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  max-width: 900px;
}

.heatmap-wrapper::-webkit-scrollbar { height: 6px; }
.heatmap-wrapper::-webkit-scrollbar-track { background: transparent; }
.heatmap-wrapper::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.heatmap-months {
  position: relative;
  height: 20px;
  margin-bottom: 8px;
}

.heatmap-months span {
  position: absolute;
  top: 0;
  font-size: 0.7rem;
  color: var(--text-tertiary);
  font-family: "JetBrains Mono", monospace;
  white-space: nowrap;
}

.heatmap-body {
  display: flex;
  gap: 6px;
}

.heatmap-days {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 32px;
  flex-shrink: 0;
}

.heatmap-days span {
  font-size: 0.65rem;
  color: var(--text-tertiary);
  font-family: "JetBrains Mono", monospace;
  height: 12px;
  line-height: 12px;
}

.heatmap-grid {
  display: flex;
  gap: 3px;
}

.heatmap-week {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.heatmap-cell {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.04);
}

.heatmap-cell[data-level="1"]  {
  background: rgba(74, 222, 128, 0.28);
  box-shadow: 0 0 4px rgba(74, 222, 128, 0.25);
}
.heatmap-cell[data-level="2"]  {
  background: rgba(74, 222, 128, 0.37);
  box-shadow: 0 0 5px rgba(74, 222, 128, 0.3);
}
.heatmap-cell[data-level="3"]  {
  background: rgba(74, 222, 128, 0.46);
  box-shadow: 0 0 5px rgba(74, 222, 128, 0.35);
}
.heatmap-cell[data-level="4"]  {
  background: rgba(74, 222, 128, 0.55);
  box-shadow: 0 0 6px rgba(74, 222, 128, 0.4);
}
.heatmap-cell[data-level="5"]  {
  background: rgba(74, 222, 128, 0.64);
  box-shadow: 0 0 6px rgba(74, 222, 128, 0.45);
}
.heatmap-cell[data-level="6"]  {
  background: rgba(74, 222, 128, 0.73);
  box-shadow: 0 0 7px rgba(74, 222, 128, 0.5);
}
.heatmap-cell[data-level="7"]  {
  background: rgba(74, 222, 128, 0.82);
  box-shadow: 0 0 7px rgba(74, 222, 128, 0.55);
}
.heatmap-cell[data-level="8"]  {
  background: rgba(74, 222, 128, 0.91);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
}
.heatmap-cell[data-level="9"]  {
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.7);
}
.heatmap-cell[data-level="10"] {
  background: #39ff73;
  box-shadow: 0 0 10px rgba(57, 255, 115, 0.8);
}

.heatmap-cell[data-date] {
  cursor: pointer;
}

.heatmap-cell[data-date]:hover {
  outline: 1px solid var(--text-secondary);
  outline-offset: -1px;
}

.heatmap-tooltip {
  position: fixed;
  background: #1f1f2e;
  color: var(--text-primary);
  font-size: 0.75rem;
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  white-space: nowrap;
  z-index: 1000;
}

.heatmap-tooltip.visible {
  opacity: 1;
}

.heatmap-tooltip strong {
  color: var(--accent-primary);
}

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
  margin-top: 12px;
}

.heatmap-legend__label {
  font-size: 0.65rem;
  color: var(--text-tertiary);
  margin: 0 4px;
}

.heatmap-lastyear {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  margin-top: 0.75rem;
  text-align: center;
}

/* ========================================
   7. ABOUT
   ======================================== */
.about__content {
  max-width: 800px;
}

.about__content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about__content strong {
  color: var(--accent-primary);
  font-weight: 600;
}

/* ========================================
   7. SKILLS
   ======================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.skill-group {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.skill-group__title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 0.75rem;
}

.skill-group__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* ========================================
   8. ORGANIZATIONS
   ======================================== */
.orgs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.org-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border-top: 3px solid var(--accent-primary);
  transition: border-color var(--transition-base),
    box-shadow var(--transition-base), transform var(--transition-base);
}

.org-card:hover {
  border-top-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(74, 222, 128, 0.08);
  transform: translateY(-3px);
}

.org-card--purple {
  border-top-color: var(--accent-secondary);
}

.org-card--purple:hover {
  box-shadow: 0 0 30px rgba(167, 139, 250, 0.08);
}

.org-card--blue {
  border-top-color: var(--accent-tertiary);
}

.org-card--blue:hover {
  box-shadow: 0 0 30px rgba(96, 165, 250, 0.08);
}

.org-card--orange {
  border-top-color: #fb923c;
}

.org-card--orange:hover {
  box-shadow: 0 0 30px rgba(251, 146, 60, 0.08);
}

.org-card__header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.org-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.org-card__type {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.org-card__desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.org-card__tech {
  margin-bottom: 1rem;
}

.org-card__meta {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-bottom: 0.75rem;
}

.org-card__links {
  display: flex;
  gap: 1rem;
}

.org-card__links a {
  font-size: 0.85rem;
  font-weight: 500;
}

/* ========================================
   9. PROJECTS
   ======================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.filter-btn--active {
  background: var(--accent-primary-dim);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition-base);
  opacity: 1;
  transform: scale(1);
}

.project-card:hover {
  border-color: rgba(74, 222, 128, 0.25);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.06);
}

.project-card--hidden {
  display: none;
}

.project-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.project-card__name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.project-card__badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--accent-primary-dim);
  color: var(--accent-primary);
  font-family: "JetBrains Mono", monospace;
  white-space: nowrap;
}

.project-card__desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.project-card__link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-tertiary);
}

.project-card__link:hover {
  color: var(--accent-primary);
}

/* ========================================
   10. SECURITY
   ======================================== */
.codehawks-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.codehawks-stat {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 90px;
}

.codehawks-stat__count {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
}

.codehawks-stat__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.codehawks-stat--high .codehawks-stat__count { color: #f87171; }
.codehawks-stat--high .codehawks-stat__label { color: #f87171; }
.codehawks-stat--medium .codehawks-stat__count { color: #fbbf24; }
.codehawks-stat--medium .codehawks-stat__label { color: #fbbf24; }
.codehawks-stat--low .codehawks-stat__count { color: #4ade80; }
.codehawks-stat--low .codehawks-stat__label { color: #4ade80; }

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.audit-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border-left: 3px solid #f87171;
  transition: border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.audit-card:hover {
  border-left-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.06);
}

.audit-card__name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.audit-card__desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

.security-toolkit {
  margin-top: 1.5rem;
}

.security-toolkit__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

/* ========================================
   11. EDUCATION
   ======================================== */
.education-card {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  max-width: 700px;
}

.education-card__badge {
  background: var(--accent-primary-dim);
  color: var(--accent-primary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
}

.education-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.education-card__desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ========================================
   13. FOOTER
   ======================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  text-align: center;
}

.footer__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.footer__tagline {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.footer__links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--accent-primary);
}

.footer__link svg {
  width: 20px;
  height: 20px;
}

.footer__location {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.footer__copy {
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

/* ========================================
   14. ANIMATIONS
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .hero__tagline {
    width: 100%;
    border-right: none;
  }
}

/* ========================================
   15. RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__links a {
    font-size: 1.05rem;
    padding: 0.5rem 0;
  }

  .hero__content {
    flex-direction: column-reverse;
    text-align: center;
    padding-top: 2rem;
  }

  .hero__image img {
    width: 180px;
    height: 180px;
  }

  .hero__actions {
    justify-content: center;
  }

  .orgs-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .education-card {
    flex-direction: column;
    gap: 0.75rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .heatmap-wrapper { padding: 1rem; }
  .heatmap-months { height: 18px; margin-bottom: 6px; }
  .heatmap-cell { width: 10px; height: 10px; }
  .heatmap-week { gap: 2px; }
  .heatmap-grid { gap: 2px; }
  .heatmap-body { gap: 4px; }
  .heatmap-days { gap: 2px; width: 28px; }
  .heatmap-days span { height: 10px; line-height: 10px; font-size: 0.55rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero__name {
    font-size: 2.2rem;
  }

  .filter-bar {
    gap: 0.35rem;
  }

  .filter-btn {
    padding: 0.35rem 0.7rem;
    font-size: 0.72rem;
  }
}