/* ==============================================================
   TOKENS
   ============================================================== */
:root {
  --bg: #0b0c10;
  --bg-soft: #111218;
  --surface: #14151d;
  --text: #e7e9ee;
  --muted: #a7adbb;
  --brand: #7c5cff;
  --brand-2: #06d6a0;
  --card: #171925;
  --ring: rgba(124, 92, 255, .45);
  --shadow: 0 10px 30px rgba(0, 0, 0, .25);
  --radius: 16px;

  --cta2-start: #0aa06f;
  --cta2-end: #07966a;
  --drive: #0F9D58;
  /* Google Drive green */

  --pill-text: #0c0f14;

  --h2: var(--text);
}

:root.light {
  --bg: #f7f8fb;
  --bg-soft: #fff;
  --surface: #fff;
  --text: #0c0f14;
  --muted: #3e4250;
  --brand: #5b4dff;
  --brand-2: #0bb07b;
  --card: #fff;
  --ring: rgba(91, 77, 255, .35);
  --shadow: 0 8px 24px rgba(16, 24, 40, .08);

  --cta2-start: #0aa06f;
  --cta2-end: #056f52;
  --drive: #138A4C;

  --h2: var(--text);
}

/* ==============================================================
   BASE
   ============================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  background:
    radial-gradient(1200px 800px at 70% -10%, rgba(124, 92, 255, .15), transparent 60%),
    radial-gradient(1200px 800px at -10% 20%, rgba(6, 214, 160, .10), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

::selection {
  background: rgba(124, 92, 255, .35);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
  }
}

/* ==============================================================
   LAYOUT + HEADER
   ============================================================== */
.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

/* ==============================================================
   NAVIGATION
   ============================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(130%) blur(8px);
  background: rgba(0, 0, 0, .7);
  border-bottom: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
}

:root.light header {
  background: rgba(255, 255, 255, .9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  height: 28px;
  width: auto;
  display: block;
}

.site-title {
  font-size: 18px;
  letter-spacing: .3px;
  font-weight: 700;
}

nav ul {
  display: flex;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin: 0;
}

nav a:not(.resume-link) {
  position: relative;
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
  transition: color .2s ease, transform .2s ease, background .25s ease, box-shadow .25s ease;
}

@media (hover:hover) {

  nav a:not(.resume-link):hover,
  nav a:not(.resume-link):focus-visible {
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: var(--shadow);
    transform: translateY(-1px);
    outline: none;
  }
}

nav a:not(.resume-link):active {
  transform: translateY(0);
  filter: brightness(.95);
}

nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

nav a.resume-link,
nav a.resume-link:visited,
nav a.resume-link:active,
nav a.resume-link:focus {
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff !important;
  box-shadow: var(--shadow);
  transition: transform .2s ease, background .3s ease;
}

nav a.resume-link:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
}

nav a:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Header actions */
.actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  box-shadow: var(--shadow);
}

/* Hamburger menu - hidden by default */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 32px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.hamburger .bar {
  height: 2px;
  width: 22px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* Mobile menu styles */
@media (max-width: 1024px) {
  .hamburger {
    display: flex;
    z-index: 100;
  }

  /* Hide desktop nav */
  .nav-menu {
    position: fixed;
    left: 0;
    right: 0;
    top: 64px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--bg-soft);
    padding: 16px 20px 20px;
    transform: translateY(-120%);
    transition: transform .28s ease;
    border-bottom: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
    z-index: 99;
  }

  /* When menu is open */
  .menu-open .nav-menu {
    transform: translateY(0);
  }

  /* Transform hamburger to X when open */
  .menu-open .hamburger .bar:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  .menu-open .hamburger .bar:nth-child(2) {
    opacity: 0;
  }

  .menu-open .hamburger .bar:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  /* Hide "Say Hello" button on mobile */
  .actions .btn.ghost {
    display: none;
  }

  /* Adjust nav links for mobile */
  .nav-menu li {
    list-style: none;
    margin-bottom: 8px;
  }

  .nav-menu a {
    display: block;
    padding: 12px 8px;
    font-size: 16px;
    line-height: 1.3;
  }
}

/* ==============================================================
   HERO + TYPE
   ============================================================== */
.hero {
  padding: 56px 0 20px;
}

.hero .card {
  background: linear-gradient(180deg,
      color-mix(in oklab, var(--card) 92%, transparent),
      color-mix(in oklab, var(--bg) 96%, transparent));
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  padding: 28px;
  border-radius: calc(var(--radius) + 8px);
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow);
}

.profile {
  display: flex;
  align-items: center;
  gap: 14px;
}

.profile-pic {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid color-mix(in oklab, var(--text) 20%, transparent);
}

.name {
  margin: 0 0 2px;
  font-size: clamp(32px, 4.2vw + 8px, 56px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: .2px;
  background: linear-gradient(135deg, var(--text), color-mix(in oklab, var(--brand) 35%, var(--text)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kicker {
  color: var(--brand);
  font-weight: 800;
  letter-spacing: .4px;
  font-size: 12px;
  text-transform: uppercase;
  margin-top: 0;
}

.tagline {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  letter-spacing: .2px;
}

.subtitle {
  color: var(--muted);
  margin: 4px 0 0;
}

/* ==============================================================
   CHIPS & SOCIALS
   ============================================================== */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}

.chip.skill {
  color: var(--text);
  background: color-mix(in oklab, var(--text) 6%, transparent);
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
}

.chip.skill:hover {
  transform: translateY(-2px);
  background-color: color-mix(in oklab, var(--text) 12%, transparent);
}

/* Social chips */
.chip.social {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  color: var(--text);
  margin-bottom: 8px;
}

.chip.social i {
  font-size: 14px;
}

.chip.social[data-brand="linkedin"] i {
  color: #0A66C2;
}

.chip.social[data-brand="github"] i {
  color: #181717;
}

.chip.social[data-brand="medium"] i {
  color: #000000;
}

.chip.social[data-brand="tryhackme"] i {
  color: #1DB954;
  /* TryHackMe green */
}

.chip.social[data-brand="tryhackme"]:hover {
  background: #1DB954;
  border-color: #1DB954;
  color: #fff;
}

.chip.social[data-brand="twitter"] i {
  color: #000000;
}

.chip.social[data-brand="orcid"] i {
  color: #A6CE39;
}

.chip.social:hover {
  transform: translateY(-2px);
}

.chip.social[data-brand="linkedin"]:hover {
  background: #0A66C2;
  border-color: #0A66C2;
  color: #fff;
}

.chip.social[data-brand="github"]:hover {
  background: #181717;
  border-color: #181717;
  color: #fff;
}

.chip.social[data-brand="medium"]:hover {
  background: #000;
  border-color: #000;
  color: #fff;
}

.chip.social[data-brand="twitter"]:hover {
  background: #000;
  border-color: #000;
  color: #fff;
}

.chip.social[data-brand="orcid"]:hover {
  background: #A6CE39;
  border-color: #A6CE39;
  color: #0b0c10;
}

.chip.social:hover i {
  color: inherit;
}

/* Extra spacing for badges block */
.quick-facts .row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.badge {
  margin: 2px 0;
}

/* ==============================================================
   WORK EXPERIENCE
   ============================================================== */
.experience-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid color-mix(in oklab, var(--text) 14%, transparent);
  border-radius: var(--radius);
  background: var(--card);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  height: 100%;
}

.experience-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .24);
  border-color: color-mix(in oklab, var(--brand) 30%, transparent);
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 12px;
}

.experience-title h3 {
  margin: 0 0 4px 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.company {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--brand);
}

.experience-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  text-align: right;
}

.date {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.location {
  font-size: 12px;
  color: var(--muted);
  background: color-mix(in oklab, var(--brand) 15%, transparent);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.experience-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.experience-list {
  margin: 0 0 16px 0;
  padding-left: 18px;
  flex: 1;
}

.experience-list li {
  margin-bottom: 8px;
  color: var(--muted);
  line-height: 1.5;
  position: relative;
}

.experience-list li::marker {
  color: var(--brand);
}

.experience-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* Mobile responsiveness for experience header */
@media (max-width: 640px) {
  .experience-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .experience-meta {
    align-items: flex-start;
    text-align: left;
    flex-direction: row;
    gap: 12px;
  }
  
  .experience-list {
    padding-left: 16px;
  }
}

/* Ensure grid works well with experience cards */
#experience .grid {
  align-items: stretch;
}

/* ==============================================================
   CONTENT & UTIL
   ============================================================== */
.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.section {
  padding: 36px 0;
}

.section h2 {
  color: var(--h2);
  font-weight: 800;
  letter-spacing: .2px;
  font-size: 24px;
  margin: 0 0 14px;
}

.section p.lead {
  color: var(--muted);
  letter-spacing: .2px;
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  border-radius: var(--radius);
  padding: 18px;
  display: grid;
  gap: 10px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 2px 0 4px;
  font-size: 18px;
}

.meta {
  font-size: 13px;
  color: var(--muted);
}

.refs.meta {
  font-size: 12.5px;
  color: color-mix(in oklab, var(--muted) 88%, var(--brand));
  margin-top: -4px;
}

.refs.meta a {
  text-decoration: underline dotted 1px;
  text-underline-offset: 3px;
  color: inherit;
}

/* Lists & Forms */
.list {
  margin-top: 6px;
  padding-left: 18px;
}

.list li {
  margin: 2px 0;
}

form {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

input,
textarea {
  appearance: none;
  font: inherit;
  color: inherit;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  background: color-mix(in oklab, var(--text) 6%, transparent);
  padding: 12px 14px;
  outline-offset: 3px;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--ring);
  border-color: transparent;
}

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

/* Footer */
footer {
  color: var(--muted);
  padding: 34px 0 48px;
  text-align: center;
}

.sep {
  margin: 0 8px;
  color: color-mix(in oklab, var(--text) 35%, transparent);
}

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

.two-col {
  display: grid;
  gap: 18px;
  grid-template-columns: 1.25fr .75fr;
}

@media (max-width:900px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width:380px) {
  .name {
    font-size: 32px;
  }

  .tagline {
    font-size: 14px;
  }
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform .2s ease, background .3s ease;
}

.badge i {
  font-size: 14px;
}

.badge:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
}

@media (min-width:901px) {
  .quick-facts {
    position: sticky;
    top: 88px;
    align-self: start;
  }
}

/* ==============================================================
   CTA BUTTONS
   ============================================================== */
.avail-link {
  margin-left: auto;
  font-weight: 700;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff !important;
  box-shadow: var(--shadow);
  white-space: nowrap;
}

.avail-link:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
}

.contact-btn {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--cta2-end) 30%, transparent);
  font-size: 15px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cta2-start), var(--cta2-end));
  color: #fff !important;
  box-shadow: var(--shadow);
  transition: transform .2s ease, background .3s ease, box-shadow .3s ease;
  text-decoration: none;
  white-space: nowrap;
}

.contact-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--cta2-end), var(--cta2-start));
  box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
}

.contact-btn:active {
  transform: translateY(0);
  filter: brightness(.95);
}

.contact-btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--brand-2) 22%, transparent);
}

/* ==============================================================
   PROJECTS: equal-height cards + gated hover
   ============================================================== */
#projects .grid {
  align-items: stretch;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  height: 100%;
  border: 1px solid color-mix(in oklab, var(--text) 14%, transparent);
  border-radius: var(--radius);
  background: var(--card);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.project-card:hover {
  transform: none;
  box-shadow: none;
  border-color: color-mix(in oklab, var(--text) 14%, transparent);
}

.project-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: 50% 15%;
  display: block;
  border-bottom: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
}

.project-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  flex: 1;
}

.project-body h3 {
  margin: 0;
  font-size: 16px;
}

.project-body .meta {
  font-size: 12.5px;
  font-style: italic;
  color: color-mix(in oklab, var(--muted) 85%, var(--brand));
  margin-bottom: 2px;
}

.project-body .row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 2px;
  margin-bottom: 10px;
}

.project-body .cta-row {
  margin-top: auto;
  display: flex;
  gap: 8px;
}

/* Code / Link buttons (green) reused */
.btn.code-btn,
.btn.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cta2-start), var(--cta2-end));
  color: #fff !important;
  box-shadow: var(--shadow);
  border: 1px solid color-mix(in oklab, var(--cta2-end) 28%, transparent);
  transition: transform .2s ease, background .3s ease, box-shadow .3s ease, filter .2s ease;
  text-decoration: none;
}

.btn.code-btn:hover,
.btn.link-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--cta2-end), var(--cta2-start));
  box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
}

.btn.code-btn:active,
.btn.link-btn:active {
  transform: translateY(0);
  filter: brightness(.96);
}

/* ==============================================================
   ENTRIES (Patents & Publications) — share project system
   ============================================================== */
.entry-card {
  /* shares .project-card styles via grouping */
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  height: 100%;
  border: 1px solid color-mix(in oklab, var(--text) 14%, transparent);
  border-radius: var(--radius);
  background: var(--card);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.entry-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  object-position: 50% 15%;
  display: block;
  border-bottom: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
}

.entry-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  flex: 1;
}

.entry-body h3 {
  margin: 0;
  font-size: 16px;
}

.entry-body .row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 2px;
  margin-bottom: 12px;
}

.entry-body .cta-row {
  margin-top: auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Gated hover for cards (both sections) */
#projects.hover-enabled .project-card:hover,
.hover-scope.hover-enabled .project-card:hover,
.hover-scope.hover-enabled .entry-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .24);
  border-color: color-mix(in oklab, var(--brand) 30%, transparent);
}

/* ==============================================================
   PILLS — unified: white → purple on hover (gated)
   ============================================================== */
.pill {
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  color: var(--pill-text);
  transition:
    background-color .22s ease, color .22s ease,
    transform .18s ease, border-color .18s ease, box-shadow .22s ease;
  cursor: pointer;
}

.pill:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* Optional "always purple" variant if you use it anywhere */
.pill-brand {
  background: var(--brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(124, 92, 255, .25);
}

#projects.hover-enabled .pill-brand:hover,
.hover-scope.hover-enabled .pill-brand:hover {
  transform: scale(1.04);
  box-shadow: 0 6px 18px rgba(124, 92, 255, .35);
  filter: brightness(1.05);
}

/* ==============================================================
   GHOST + BACKUP (Drive) BUTTONS
   ============================================================== */
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  box-shadow: none;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: transform .2s ease, background .3s ease, color .3s ease, border-color .3s ease;
}

.btn.ghost:hover {
  transform: translateY(-2px);
  background: color-mix(in oklab, var(--brand) 12%, transparent);
  border-color: color-mix(in oklab, var(--brand) 40%, transparent);
  color: var(--brand);
}

.btn.ghost.backup {
  border-color: color-mix(in oklab, var(--drive) 60%, transparent);
  color: color-mix(in oklab, var(--drive) 85%, var(--text));
}

.btn.ghost.backup:hover {
  transform: translateY(-2px);
  background: color-mix(in oklab, var(--drive) 22%, transparent);
  border-color: var(--drive);
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .22);
}

.btn.ghost.backup:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--drive) 55%, transparent);
  outline-offset: 3px;
}

.link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Blog post cards */
.post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  height: 100%;
  border: 1px solid color-mix(in oklab, var(--text) 14%, transparent);
  border-radius: var(--radius);
  background: var(--card);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.post-card:hover {
  transform: none;
  box-shadow: none;
  border-color: color-mix(in oklab, var(--text) 14%, transparent);
}

.post-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  flex: 1;
}

.post-title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
}

.post-title a {
  color: var(--text);
  text-decoration: none;
}

.post-title a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-meta {
  font-size: 12.5px;
  color: color-mix(in oklab, var(--muted) 85%, var(--brand));
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.post-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

.post-excerpt {
  color: var(--muted);
  margin-top: 2px;
}

.post-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
  margin-bottom: 10px;
}

.post-cta {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

/* BLOG: grid fix + show only first 4 cards on homepage */
#blog .grid {
  align-items: stretch;
}

/* Hide everything after the 4th card */
#blog .grid>.post-card:nth-child(n+7) {
  display: none;
}

/* Spacing before "See more on Medium" button */
.blog-more {
  margin-top: 28px;
  display: flex;
  justify-content: center;
}

/* Center the Contact section content */
#contact h2,
#contact .lead {
  text-align: center;
}

#contact .container {
  display: grid;
  justify-items: center;
}

#contact .container>*:not(h2):not(.lead) {
  width: 100%;
  max-width: 720px;
}

#contact form {
  max-width: 640px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

#contact input,
#contact textarea {
  width: 100%;
}

/* Ensure the submit button uses BRAND (purple) gradient */
#contact form .btn {
  justify-self: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)) !important;
  border: 1px solid transparent;
  color: #fff;
}

#contact form .btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--brand-2), var(--brand)) !important;
}

/* ==============================================================
   FOOTER
   ============================================================== */
.site-footer {
  padding: 32px 0;
  background: var(--bg-soft);
  color: var(--muted);
  border-top: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
}

.foot-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  text-align: center;
}

/* Social icons (left) */
.foot-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--text) 10%, transparent);
  border: 1px solid color-mix(in oklab, var(--text) 20%, transparent);
  font-size: 16px;
  color: var(--muted);
  margin-right: 6px;
  transition: background .25s ease, color .25s ease,
    transform .2s ease, border-color .25s ease;
}

.foot-socials a:hover {
  transform: translateY(-2px);
}

.foot-socials a[data-brand="linkedin"]:hover {
  background: #0A66C2;
  border-color: #0A66C2;
  color: #fff;
}

.foot-socials a[data-brand="github"]:hover {
  background: #181717;
  border-color: #181717;
  color: #fff;
}

.foot-socials a[data-brand="medium"]:hover {
  background: #000;
  border-color: #000;
  color: #fff;
}

.foot-socials a[data-brand="twitter"]:hover {
  background: #000;
  border-color: #000;
  color: #fff;
}

.foot-socials a[data-brand="orcid"]:hover {
  background: #A6CE39;
  border-color: #A6CE39;
  color: #0b0c10;
}

/* Center name */
.foot-name {
  font-size: 14px;
  font-weight: 600;
}

/* Resume button (right) */
.resume-btn {
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff !important;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform .2s ease, background .3s ease;
}

.resume-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
}

/* Stack footer nicely on phones */
@media (max-width: 640px) {
  .foot-flex {
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;
    justify-items: center;
    gap: 12px;
    text-align: center;
  }

  .foot-cta {
    width: 100%;
  }

  .foot-cta .resume-btn {
    width: 100%;
    max-width: 520px;
  }
}

/* Typographic safety on tiny screens */
@media (max-width:420px) {
  .site-title {
    font-size: 16px;
  }

  .tagline {
    font-size: 13px;
  }

  .kicker {
    font-size: 11px;
  }
}

/* Grid tweak: ensure min width works on very small devices */
@media (max-width:340px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

/* Ensure long URLs/strings wrap gracefully */
.meta,
.post-excerpt,
.subtitle,
.prose {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* Prevent body scroll when menu is open */
.menu-open {
  overflow: hidden;
}

/* ===== Hero skills spacing */
.skills-row {
  margin-bottom: 16px;
}

@media (max-width: 640px) {
  .skills-row {
    margin-bottom: 20px;
  }
}

/* ===== Ensure hamburger shows on small screens and sits on the right (.actions) */
.hamburger {
  visibility: visible;
  opacity: 1;
}

/* safety */
@media (max-width: 1024px) {
  .hamburger {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 32px;
    border: 0;
    background: transparent;
    cursor: pointer;
    z-index: 100;
  }

  .hamburger .bar {
    height: 2px;
    width: 22px;
    background: var(--text);
    border-radius: 2px;
  }

  /* Slide-down panel */
  .nav-menu {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--headerH, 64px);
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--bg-soft);
    padding: 16px 20px 20px;
    border-bottom: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
    transform: translateY(-120%);
    transition: transform .28s ease;
    z-index: 99;
  }

  body.menu-open .nav-menu {
    transform: translateY(0);
  }

  /* morph hamburger into X */
  body.menu-open .hamburger .bar:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  body.menu-open .hamburger .bar:nth-child(2) {
    opacity: 0;
  }

  body.menu-open .hamburger .bar:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  /* keep header compact */
  .actions .btn.ghost {
    display: none;
  }

  /* comfy tap targets */
  .nav-menu li {
    list-style: none;
    margin-bottom: 6px;
  }

  .nav-menu a {
    display: block;
    padding: 12px 8px;
    font-size: 16px;
    line-height: 1.3;
  }
}

/* ===== Footer mobile fix */
.site-footer {
  padding-block: 18px;
  background: var(--bg-soft);
  border-top: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  padding-bottom: calc(18px + env(safe-area-inset-bottom, 0px));
}

.foot-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.foot-socials {
  display: inline-flex;
  gap: 10px;
}

.foot-socials a {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--text) 12%, transparent);
  background: color-mix(in oklab, var(--text) 5%, transparent);
}

.foot-name {
  text-align: center;
  font-size: 14px;
  opacity: .9;
}

.foot-cta {
  display: flex;
  justify-content: flex-end;
}

.foot-cta .resume-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  text-decoration: none;
}

/* stack + full-width CTA on phones */
@media (max-width: 640px) {
  .foot-flex {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: min-content;
    justify-items: center;
    text-align: center;
    gap: 12px;
  }

  .foot-socials {
    order: 1;
  }

  .foot-name {
    order: 2;
  }

  .foot-cta {
    order: 3;
    width: 100%;
  }

  .foot-cta .resume-btn {
    width: 100%;
    max-width: 520px;
  }
}

/* Theme toggle button */
.toggle {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  cursor: pointer;
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  background: color-mix(in oklab, var(--text) 6%, transparent);
  transition: transform .2s ease, background .25s ease, border-color .25s ease;
}

.toggle:hover {
  transform: translateY(-1px);
  background: color-mix(in oklab, var(--text) 12%, transparent);
}

.toggle:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

@media (max-width:1024px) {

  /* keep toggle visible on small screens */
  .toggle {
    display: inline-grid;
  }

  /* we only hide the big CTA, not the toggle */
  .actions .btn.ghost {
    display: none;
  }
}

/* Base pill hover (always visible) */
.pill:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklab, var(--brand) 40%, var(--text));
  box-shadow: 0 6px 16px rgba(0, 0, 0, .12);
}

/* Strong, brand-colored hover when the section is in view (your hover-gating) */
#projects.hover-enabled .pill:hover,
.hover-scope.hover-enabled .pill:hover {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
}

/* Mobile/touch: remove hover effects; keep tap feedback */
@media (hover: none) {

  /* neutralize any hover-driven changes */
  .pill:hover,
  #projects.hover-enabled .pill:hover,
  .hover-scope.hover-enabled .pill:hover {
    background: inherit;
    color: inherit;
    border-color: inherit;
    transform: none;
    box-shadow: none;
  }

  /* consistent tap (active) feedback */
  .pill:active {
    transform: scale(0.98);
    filter: brightness(0.97);
    box-shadow: none;
  }

  /* optional: avoid sticky hover highlight on iOS */
  .pill {
    -webkit-tap-highlight-color: transparent;
  }
}