:root {
  --max: 1100px;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  /* Dark theme as default */
  --bg: #0b1221;
  --card: #0f172a;
  --text: #e7ecf5;
  --muted: #9fb1d1;
  --accent: #7ef0c1;
  --accent-2: #f4bf72;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  /* Controls vertical alignment of date text in timeline */
  --timeline-date-offset: 22px;
}

html[data-theme="light"] {
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #0b1221;
  --muted: #5a6b7f;
  --accent: #2d9b6c;
  --accent-2: #d97706;
  --border: rgba(0, 0, 0, 0.1);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

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

/* Academicons baseline */
  .nav {
    position: static;
    padding: 16px 20px;
    padding-right: 160px; /* even more space for controls */
  font-variant: normal;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: radial-gradient(circle at 10% 20%, rgba(126, 240, 193, 0.08), transparent 35%),
              radial-gradient(circle at 80% 10%, rgba(244, 191, 114, 0.06), transparent 30%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 32px 20px;
  transition: background-color 300ms ease, color 300ms ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
  width: 100%;
}

html[data-theme="light"] body {
  background: linear-gradient(135deg, rgba(45, 155, 108, 0.05), transparent 50%),
              linear-gradient(-45deg, rgba(217, 119, 6, 0.05), transparent 50%),
              var(--bg);
}

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

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

.page {
  width: 100%;
  max-width: var(--max);
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.nav {
  width: 100%;
  max-width: var(--max);
  margin: 0 0 32px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
  transition: background-color 300ms ease, border-color 300ms ease;
  gap: 20px;
  overflow: visible; /* allow menu to display */
}

html[data-theme="light"] .nav {
  background: rgba(255, 255, 255, 0.8);
}

.nav__brand {
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
  position: absolute;
  left: 18px;
  flex-shrink: 0;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
}

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

.nav__brand img {
  height: 24px;
  width: auto;
  display: block;
}

.nav__hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  position: absolute;
  right: 80px;
  z-index: 12;
  transition: color 0.3s ease;
}

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

.nav__links {
  display: flex;
  gap: 16px;
  font-size: 15px;
  justify-content: center;
  text-align: center;
  flex: 1;
  align-items: center;
}

.nav__close {
  display: none;
}

.toggle-wrapper {
  position: absolute;
  right: 18px;
  flex-shrink: 0;
}

.hero-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
  max-width: 600px;
  width: 100%;
  padding: 0 12px;
}

.hero-simple__image {
  width: 150px;
  height: 150px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 8px;
  transition: border-color 300ms ease;
}

html[data-theme="light"] .hero-simple__image {
  border-color: rgba(0, 0, 0, 0.15);
}

.hero-simple__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-simple__content h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 12px 0 14px;
  font-weight: 700;
}

.hero-name-primary {
  font-size: clamp(2rem, 6vw, 2.6rem);
  line-height: 1.15;
  margin: 10px 0 6px;
  font-weight: 700;
}

.hero-name-secondary {
  font-size: clamp(1.85rem, 5.4vw, 2.4rem);
  line-height: 1.1;
  margin: 4px 0 10px;
  font-weight: 650;
}

.hero-name-tertiary {
  font-size: clamp(0.95rem, 3.4vw, 1.1rem);
  color: var(--text-secondary);
  margin: 0 0 14px;
  font-weight: 500;
}

.hero-simple__intro {
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 10px;
}

.hero-simple__bio {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.hero-simple__quote {
  color: var(--accent);
  font-size: 14px;
  font-style: italic;
  line-height: 1.6;
  margin: 12px 0 16px;
  font-weight: 500;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  background: rgba(126, 240, 193, 0.05);
  border-radius: 6px;
  min-height: 48px;
  box-shadow: 0 0 8px rgba(126, 240, 193, 0.3);
  transition: background-color 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
  /* Typewriter effect */
  overflow: hidden;
  border-right: 0.15em solid var(--accent);
  white-space: nowrap;
  animation: typewriter 5s steps(70, end), blink-caret 0.75s step-end infinite;
}

html[data-theme="light"] .hero-simple__quote {
  background: rgba(45, 155, 108, 0.1);
  box-shadow: 0 0 8px rgba(45, 155, 108, 0.3);
}

@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink-caret {
  from, to {
    border-right-color: transparent;
  }
  50% {
    border-right-color: var(--accent);
  }
}

.hero-simple__links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 20px;
  justify-content: center;
}

.hero-simple__links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--accent);
  transition: all 0.3s ease;
  margin: 0 6px; /* explicit spacing for wider browser support */
}

html[data-theme="light"] .hero-simple__links a {
  background: rgba(45, 155, 108, 0.1);
  border-color: rgba(45, 155, 108, 0.3);
}

.hero-simple__links a:hover {
  background: rgba(126, 240, 193, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(126, 240, 193, 0.1);
}

html[data-theme="light"] .hero-simple__links a:hover {
  background: rgba(45, 155, 108, 0.25);
  box-shadow: 0 8px 20px rgba(45, 155, 108, 0.15);
}

.card__label {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section {
  margin: 48px 0 32px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  background: rgba(15, 23, 42, 0.7);
  box-shadow: var(--shadow);
  transition: background-color 300ms ease, border-color 300ms ease;
}

html[data-theme="light"] .section {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.1);
}

.section__header {
  margin-bottom: 12px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 11px;
  color: var(--accent-2);
  font-weight: 600;
}

h2 {
  font-size: 28px;
  margin-top: 6px;
}

.body {
  color: var(--muted);
  max-width: 780px;
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.about__item {
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  transition: background-color 300ms ease, border-color 300ms ease;
}

html[data-theme="light"] .about__item {
  background: rgba(45, 155, 108, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  background: var(--card);
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background-color 300ms ease, border-color 300ms ease;
}

html[data-theme="light"] .card {
  background: #fafbfc;
  border-color: rgba(0, 0, 0, 0.08);
}

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

.card__body {
  color: var(--muted);
}

.card__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.card__links a {
  font-weight: 600;
  font-size: 14px;
}

/* Project Button Styling */
.project-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: linear-gradient(135deg, rgba(126, 240, 193, 0.15), rgba(126, 240, 193, 0.08));
  border: 1.5px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(126, 240, 193, 0.1);
  position: relative;
  overflow: hidden;
}

.project-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(126, 240, 193, 0.2), transparent);
  transition: left 0.5s ease;
}

.project-btn:hover::before {
  left: 100%;
}

.project-btn:hover {
  background: linear-gradient(135deg, rgba(126, 240, 193, 0.25), rgba(126, 240, 193, 0.15));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(126, 240, 193, 0.25);
  color: var(--accent);
  border-color: var(--accent);
}

.project-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(126, 240, 193, 0.2);
}

.project-btn i {
  font-size: 14px;
  transition: transform 0.3s ease;
}

.project-btn:hover i {
  transform: translateX(2px);
}

html[data-theme="light"] .project-btn {
  background: linear-gradient(135deg, rgba(45, 155, 108, 0.12), rgba(45, 155, 108, 0.06));
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 2px 8px rgba(45, 155, 108, 0.15);
}

html[data-theme="light"] .project-btn::before {
  background: linear-gradient(90deg, transparent, rgba(45, 155, 108, 0.15), transparent);
}

html[data-theme="light"] .project-btn:hover {
  background: linear-gradient(135deg, rgba(45, 155, 108, 0.2), rgba(45, 155, 108, 0.12));
  box-shadow: 0 6px 20px rgba(45, 155, 108, 0.3);
  border-color: var(--accent);
  color: var(--accent);
}

.timeline {
  position: relative;
  padding-left: 50px;
  transition: background-color 300ms ease, border-color 300ms ease;
}

/* Vertical timeline line */
.timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: 2px;
}

html[data-theme="light"] .timeline__item {
  background: rgba(45, 155, 108, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
  display: grid;
  gap: 14px;
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px;
  padding: 14px;
  margin-bottom: 30px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}

/* Center any logo image inside the date column */
.timeline__item .timeline__date {
  position: relative;
}

/* Default logo/image styling inside date column */
.timeline__item .timeline__date img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Timeline dot/circle */
.timeline__item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg), 0 0 12px rgba(126, 240, 193, 0.4);
  z-index: 1;
}

.timeline__date {
  color: var(--accent);
  font-weight: 600;
  /* Align date with the position title top padding */
  align-self: start;
  padding-top: var(--timeline-date-offset);
}

/* When the date column contains a logo/image, center it vertically */
.timeline__date:has(img),
.timeline__date--with-logo {
  align-self: stretch;        /* take full row height */
  padding-top: 0;             /* base: no padding, handled on first child */
  display: flex;
  flex-direction: column;
}

/* Center direct image or wrapper flex box */
.timeline__date:has(img) > img,
.timeline__date--with-logo > img {
  margin: auto 0;             /* vertically center direct image */
}

.timeline__date:has(img) > div,
.timeline__date--with-logo > div {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;    /* center image inside provided wrapper */
}

/* Ensure the date text aligns with the content title top padding */
.timeline__date:has(img) > :first-child,
.timeline__date--with-logo > .date-text {
  padding-top: var(--timeline-date-offset);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

/* Compact button variant for CV/Experience pages */
.compact-btn {
  padding: 7px 12px !important;
  font-size: 13px !important;
  border-radius: 8px !important;
  gap: 6px !important;
}

.compact-btn i {
  font-size: 14px !important;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn--primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0f172a;
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.footer {
  width: 100%;
  max-width: var(--max);
  text-align: center;
  color: var(--muted);
  padding: 32px 20px 12px;
  transition: color 300ms ease;
  margin-top: 32px;
}

.toggle-wrapper {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
  flex-shrink: 0;
  cursor: pointer;
  z-index: 1;
}

.toggle-wrapper input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  visibility: hidden;
  z-index: -1;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 60px !important;
  height: 30px !important;
  background-color: #4a5568 !important;
  transition: 0.4s;
  border-radius: 34px;
  display: block !important;
  box-sizing: border-box;
  z-index: 1;
}

.toggle-slider::before {
  position: absolute;
  content: "" !important;
  height: 22px !important;
  width: 22px !important;
  left: 4px;
  bottom: 4px;
  background-color: #ffffff !important;
  transition: 0.4s;
  border-radius: 50%;
  display: block !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 2;
}

input:checked + .toggle-slider {
  background-color: var(--accent) !important;
}

input:checked + .toggle-slider::before {
  transform: translateX(30px) !important;
}

.toggle-slider:hover {
  opacity: 0.9;
}

html[data-theme="light"] .toggle-slider {
  background-color: #0b1221 !important;
}

html[data-theme="light"] input:checked + .toggle-slider {
  background-color: var(--accent) !important;
}

/* Tablet devices (768px and below) */
@media (max-width: 768px) {
  body {
    font-size: 15px;
    padding: 24px 12px;
  }

  .nav {
    position: static;
    padding: 16px 20px;
    padding-right: 20px; /* remove extra padding */
    gap: 12px;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .nav__brand {
    font-size: 18px;
    position: static;
  }

  .nav__brand img {
    height: 20px;
  }

  .nav__hamburger {
    display: block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 84px;
    z-index: 13;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 250px;
    background: var(--card);
    flex-direction: column;
    gap: 24px;
    padding: 80px 24px 24px;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
    transition: right 0.3s ease;
    z-index: 999;
    justify-content: flex-start;
    align-items: flex-start;
    border-left: 1px solid var(--border);
  }

  .nav__close {
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text);
    font-size: 28px;
    cursor: pointer;
    padding: 8px;
    z-index: 1000;
    transition: color 0.3s ease;
  }

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

  .nav__links.active {
    right: 0;
  }

  .nav__links a {
    font-size: 18px;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .toggle-wrapper {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 13;
    width: 60px;
    height: 30px;
  }

  .page {
    padding: 0 8px;
  }

  .hero-simple {
    gap: 16px;
    padding: 40px 12px;
  }

  .hero-simple__image {
    width: 135px;
    height: 135px;
  }

  .hero-simple__content h1 {
    font-size: 26px;
  }

  .hero-name-primary {
    font-size: clamp(1.9rem, 5.5vw, 2.4rem);
    margin: 8px 0 6px;
  }

  .hero-name-secondary {
    font-size: clamp(1.7rem, 5vw, 2.2rem);
    margin: 2px 0 8px;
  }

  .hero-name-tertiary {
    font-size: clamp(0.9rem, 3.2vw, 1.05rem);
    margin-bottom: 12px;
  }

  .hero-simple__intro {
    font-size: 14px;
    padding: 0 8px;
  }

  .hero-simple__bio {
    font-size: 13px;
    padding: 0 8px;
  }

  .hero-simple__quote {
    white-space: normal;
    animation: none;
    border-right: none;
    width: 100%;
    padding: 12px 16px;
    font-size: 13px;
    word-wrap: break-word;
    overflow: visible;
  }

  .section__header h1 {
    font-size: 24px;
  }

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

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

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

  .btn {
    font-size: 14px;
    padding: 10px 20px;
  }
}

/* Mobile devices (480px and below) */
@media (max-width: 480px) {
  body {
    font-size: 14px;
    padding: 0;
  }

  .nav {
    padding: 12px 16px;
    padding-right: 16px; /* remove extra padding */
    gap: 8px;
    flex-wrap: wrap;
    justify-content: space-between;
    position: relative;
  }

  .nav__brand {
    position: static;
    left: auto;
    font-size: 16px;
  }

  .nav__brand img {
    height: 18px;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 240px;
    background: var(--card);
    flex-direction: column;
    gap: 20px;
    padding: 72px 20px 20px;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
    transition: right 0.3s ease;
    z-index: 999;
    justify-content: flex-start;
    align-items: flex-start;
    border-left: 1px solid var(--border);
  }

  .nav__close {
    display: block;
    position: absolute;
    top: 18px;
    right: 18px;
    background: none;
    border: none;
    color: var(--text);
    font-size: 26px;
    cursor: pointer;
    padding: 6px;
    z-index: 1000;
    transition: color 0.3s ease;
  }

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

  .nav__links.active {
    right: 0;
  }

  .nav__links a {
    font-size: 16px;
    padding: 10px 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .toggle-wrapper {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 25px;
    z-index: 13;
  }

  .toggle-slider {
    width: 50px !important;
    height: 25px !important;
  }

  .toggle-slider::before {
    height: 18px !important;
    width: 18px !important;
  }

  input:checked + .toggle-slider::before {
    transform: translateX(25px) !important;
  }

  .nav__hamburger {
    display: block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 70px;
    z-index: 13;
  }

  .hero-simple {
    gap: 12px;
    padding: 30px 16px;
  }

  .hero-simple__image {
    width: 120px;
    height: 120px;
  }

  .hero-simple__content h1 {
    font-size: 22px;
    margin: 8px 0 10px;
  }

  .hero-name-primary {
    font-size: clamp(1.8rem, 6vw, 2.2rem);
    margin: 6px 0 4px;
  }

  .hero-name-secondary {
    font-size: clamp(1.6rem, 5.5vw, 2rem);
    margin: 2px 0 6px;
  }

  .hero-name-tertiary {
    font-size: clamp(0.88rem, 3.5vw, 1rem);
    margin-bottom: 10px;
  }

  .hero-simple__intro {
    font-size: 14px;
  }

  .hero-simple__quote {
    font-size: 13px;
    padding: 10px 12px;
    border-radius: 4px;
  }

  .hero-simple__links {
    gap: 12px;
    margin-top: 16px;
  }

  .hero-simple__links a {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .page {
    padding: 20px 16px;
  }

  .section {
    padding: 0;
  }

  .section__header {
    margin-bottom: 20px;
  }

  .section__header h1 {
    font-size: 20px;
    margin: 8px 0;
  }

  .eyebrow {
    font-size: 12px;
    letter-spacing: 0.5px;
  }

  h2 {
    font-size: 18px !important;
    margin-top: 24px !important;
    margin-bottom: 12px !important;
  }

  h3 {
    font-size: 15px;
  }

  .card {
    padding: 12px;
  }

  .card__meta {
    font-size: 12px;
  }

  .card__body {
    font-size: 13px;
  }

  .timeline__date {
    font-size: 13px;
    min-width: 80px;
  }

  .timeline {
    padding-left: 35px;
  }

  .timeline::before {
    left: 12px;
    width: 2px;
  }

  .timeline__item {
    grid-template-columns: 90px 1fr;
    gap: 10px;
    padding: 10px;
    margin-bottom: 20px;
  }

  .timeline__item::before {
    left: -27px;
    top: 14px;
    width: 12px;
    height: 12px;
    border-width: 2px;
  }

  .timeline__content {
    padding-left: 12px;
  }

  .timeline__content h3 {
    font-size: 15px;
    margin: 0 0 6px 0;
  }

  .timeline__content p {
    font-size: 13px;
    margin: 4px 0;
  }

  .about__item {
    padding: 12px;
  }

  .about__item h3 {
    font-size: 15px;
    margin-bottom: 8px;
  }

  .about__item p {
    font-size: 13px;
  }

  .btn {
    font-size: 13px;
    padding: 9px 16px;
  }

  .footer {
    padding: 24px 16px 12px;
    font-size: 13px;
  }
}

/* Very small phones (360px and below) */
@media (max-width: 360px) {
  .nav__links a {
    font-size: 12px;
    padding: 8px 6px;
  }

  .nav__brand img {
    height: 16px;
  }

  .hero-simple__image {
    width: 100px;
    height: 100px;
  }

  .hero-simple__content h1 {
    font-size: 20px;
  }

  .section__header h1 {
    font-size: 18px;
  }
}

@media (max-width: 860px) {
  .timeline__item {
    grid-template-columns: 1fr;
  }

  .nav {
    position: static;
  }
}

/* Publication button hover effects */
a[href*="arxiv.org"]:hover,
a[href*="ieeexplore.ieee.org"]:hover,
a[href*="Updating.html"]:hover {
  background: rgba(126, 240, 193, 0.25) !important;
  border-color: var(--accent) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(126, 240, 193, 0.2);
}

a[href*="arxiv.org"]:active,
a[href*="ieeexplore.ieee.org"]:active,
a[href*="Updating.html"]:active {
  transform: translateY(0px);
}