:root {
  --bg: #050815;
  --bg-2: #08101f;
  --panel: rgba(8, 16, 34, 0.74);
  --panel-strong: rgba(10, 20, 42, 0.9);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --text: #eaf4ff;
  --muted: #a6b7cb;
  --line: rgba(255, 255, 255, 0.08);
  --cyan: #4ef3ff;
  --blue: #728dff;
  --purple: #8f6bff;
  --lime: #7ef9a3;
  --rose: #ff82cf;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: min(1240px, calc(100% - 32px));
}

html[data-theme="light"] {
  --bg: #f4f8ff;
  --bg-2: #e9f0ff;
  --panel: rgba(255, 255, 255, 0.76);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --surface: rgba(10, 20, 42, 0.04);
  --surface-strong: rgba(10, 20, 42, 0.08);
  --text: #07111f;
  --muted: #54657c;
  --line: rgba(7, 17, 31, 0.08);
  --shadow: 0 18px 60px rgba(12, 24, 52, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(78, 243, 255, 0.18), transparent 24%),
    radial-gradient(circle at 82% 18%, rgba(143, 107, 255, 0.16), transparent 20%),
    radial-gradient(circle at 70% 82%, rgba(126, 249, 163, 0.12), transparent 18%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  overflow-x: hidden;
}

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

button,
input,
textarea,
label {
  font: inherit;
}

button {
  cursor: pointer;
}

.background-grid,
.particle-layer,
.cursor-glow,
.orb {
  pointer-events: none;
  position: fixed;
  inset: 0;
}

.background-grid {
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 32%, transparent 88%);
}

.particle-layer {
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 0 18px rgba(78, 243, 255, 0.45);
  animation: particle-float linear infinite;
}

.cursor-glow {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78, 243, 255, 0.22), transparent 62%);
  filter: blur(18px);
  mix-blend-mode: screen;
  transform: translate3d(-9999px, -9999px, 0);
  z-index: 1;
  transition: opacity 180ms ease;
  opacity: 0.92;
}

.orb {
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.75;
  mix-blend-mode: screen;
  z-index: 0;
}

.orb-a {
  width: 360px;
  height: 360px;
  top: -90px;
  left: -60px;
  background: radial-gradient(circle, rgba(78, 243, 255, 0.28), transparent 65%);
  animation: drift-a 18s ease-in-out infinite;
}

.orb-b {
  width: 300px;
  height: 300px;
  right: -90px;
  top: 180px;
  background: radial-gradient(circle, rgba(143, 107, 255, 0.22), transparent 68%);
  animation: drift-b 20s ease-in-out infinite;
}

.orb-c {
  width: 260px;
  height: 260px;
  left: 16%;
  bottom: -100px;
  background: radial-gradient(circle, rgba(126, 249, 163, 0.16), transparent 68%);
  animation: drift-c 22s ease-in-out infinite;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.inline-icon {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  fill: currentColor;
}

.topbar,
main,
.footer {
  width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 0 10px;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}

.brand,
.nav-actions,
.panel,
.stat-card,
.about-card,
.timeline-card,
.skill-card,
.project-card,
.contact-card,
.project-modal-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 999px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  color: #03101e;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 0.95rem;
  font-family: "Space Grotesk", sans-serif;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
  white-space: nowrap;
  font-size: 0.9rem;
  transition: 180ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
  border-color: rgba(78, 243, 255, 0.3);
  transform: translateY(-1px);
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 999px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 4px 8px;
}

.theme-toggle-track {
  width: 48px;
  height: 28px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.theme-toggle-thumb {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  transform: translateX(0);
  transition: transform 240ms ease;
  box-shadow: 0 0 18px rgba(78, 243, 255, 0.28);
}

html[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(20px);
}

.theme-label {
  font-size: 0.9rem;
  color: var(--muted);
}

main {
  display: grid;
  gap: 22px;
  padding: 10px 0 40px;
}

.panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(78, 243, 255, 0.09), transparent 18%),
    linear-gradient(315deg, rgba(143, 107, 255, 0.08), transparent 22%);
  opacity: 0.9;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
  gap: 24px;
  padding: 34px;
}

.hero-copy,
.hero-visual,
.section,
.footer {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 8px rgba(78, 243, 255, 0.12);
  animation: pulse 2.2s infinite ease-in-out;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.hero h1 {
  max-width: 16ch;
  font-size: clamp(2.8rem, 7vw, 5.4rem);
}

.hero-role {
  margin: 14px 0 0;
  max-width: 42ch;
  color: #dce9fb;
  font-size: 1.02rem;
  font-weight: 600;
}

.hero h1 span {
  display: block;
  background: linear-gradient(90deg, var(--cyan), var(--purple) 50%, var(--lime) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.typing-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.typing-prefix {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.typing-text {
  min-height: 1.5em;
  color: var(--text);
  font-weight: 700;
  font-size: 0.98rem;
}

.typing-text::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1em;
  margin-left: 4px;
  vertical-align: -0.12em;
  background: var(--cyan);
  animation: caret 1s steps(1) infinite;
}

.hero-lead,
.about-card p,
.project-card p,
.contact-card p,
.timeline-card li,
.skill-card span,
.contact-note,
.project-modal-panel p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.98rem;
}

.hero-lead {
  max-width: 64ch;
  margin: 20px 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: 220ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #03101e;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  box-shadow: 0 20px 40px rgba(78, 243, 255, 0.16);
}

.button-secondary {
  border-color: rgba(78, 243, 255, 0.22);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.stat-card {
  padding: 18px;
  border-radius: var(--radius-lg);
}

.stat-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.35rem;
  font-family: "Space Grotesk", sans-serif;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 22px;
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(11, 25, 46, 0.9), rgba(8, 15, 31, 0.88)),
    radial-gradient(circle at top, rgba(78, 243, 255, 0.16), transparent 55%);
}

.panel-surface {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.photo-shell {
  position: relative;
  width: min(100%, 300px);
  margin: 6px auto 0;
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 12px;
  background: linear-gradient(135deg, rgba(78, 243, 255, 0.2), rgba(143, 107, 255, 0.2), rgba(126, 249, 163, 0.18));
  animation: borderPulse 4.5s ease-in-out infinite;
}

.photo-shell::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(78, 243, 255, 0.16), transparent 26%);
  filter: blur(10px);
}

.photo-orbit {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  animation: orbit 16s linear infinite;
}

.hero-photo {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 24px 50px rgba(0, 0, 0, 0.28);
  animation: float 6s ease-in-out infinite;
}

.hero-photo:hover {
  transform: scale(1.03);
  filter: saturate(1.06);
}

.hero-mini-cards {
  display: grid;
  gap: 12px;
}

.mini-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-card strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 2px;
}

.mini-card span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.section {
  padding: 30px;
  scroll-margin-top: 104px;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: clamp(1.65rem, 2.7vw, 2.4rem);
  max-width: 18ch;
}

.about-layout,
.skills-grid,
.projects-grid,
.contact-layout {
  display: grid;
  gap: 16px;
}

.about-layout {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-card,
.timeline-card,
.skill-card,
.project-card,
.contact-card {
  border-radius: var(--radius-lg);
  padding: 22px;
}

.about-card {
  background: rgba(255, 255, 255, 0.03);
}

.about-card.accent {
  border-color: rgba(78, 243, 255, 0.2);
  background:
    linear-gradient(180deg, rgba(78, 243, 255, 0.08), rgba(255, 255, 255, 0.03));
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-card {
  position: relative;
  padding-left: 30px;
}

.timeline-card::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, rgba(78, 243, 255, 0.65), rgba(143, 107, 255, 0.15));
}

.timeline-card::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  box-shadow: 0 0 0 6px rgba(78, 243, 255, 0.12);
}

.timeline-card h3,
.skill-card h3,
.project-card h3,
.contact-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.chip,
.project-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip.hot {
  border-color: rgba(126, 249, 163, 0.26);
  background: rgba(126, 249, 163, 0.08);
  color: #caffdc;
}

.period {
  margin: 10px 0 14px;
  color: #c5d7eb;
  font-size: 0.92rem;
}

.timeline-card ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.skills-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.meter-card {
  display: grid;
  gap: 18px;
  background:
    linear-gradient(180deg, rgba(10, 19, 35, 0.84), rgba(8, 15, 30, 0.84));
}

.card-top {
  display: grid;
  gap: 4px;
}

.card-top span {
  color: var(--muted);
  font-size: 0.9rem;
}

.meter-group {
  display: grid;
  gap: 16px;
}

.meter {
  display: grid;
  gap: 8px;
}

.meter-label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--text);
  font-size: 0.94rem;
}

.meter-track {
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.meter-fill {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--lime));
  box-shadow: 0 0 18px rgba(78, 243, 255, 0.2);
  transition: width 1100ms cubic-bezier(0.22, 1, 0.36, 1);
}

.projects-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-card {
  padding: 0;
  overflow: hidden;
  transform-style: preserve-3d;
  background:
    linear-gradient(180deg, rgba(10, 18, 36, 0.86), rgba(6, 11, 23, 0.86));
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.tilt-card:hover {
  transform: translateY(-8px) rotateX(4deg);
  border-color: rgba(78, 243, 255, 0.22);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(78, 243, 255, 0.08);
}

.project-preview {
  min-height: 190px;
  position: relative;
  overflow: hidden;
}

.project-preview::before,
.project-preview::after {
  content: "";
  position: absolute;
  inset: 0;
}

.preview-a {
  background:
    radial-gradient(circle at 20% 20%, rgba(78, 243, 255, 0.24), transparent 26%),
    radial-gradient(circle at 70% 30%, rgba(143, 107, 255, 0.18), transparent 20%),
    linear-gradient(135deg, rgba(12, 24, 48, 0.94), rgba(8, 14, 28, 0.94));
}

.preview-b {
  background:
    radial-gradient(circle at 30% 30%, rgba(126, 249, 163, 0.22), transparent 22%),
    radial-gradient(circle at 76% 38%, rgba(78, 243, 255, 0.22), transparent 18%),
    linear-gradient(135deg, rgba(12, 22, 44, 0.95), rgba(7, 12, 24, 0.95));
}

.preview-c {
  background:
    radial-gradient(circle at 25% 30%, rgba(255, 130, 207, 0.16), transparent 24%),
    radial-gradient(circle at 72% 34%, rgba(78, 243, 255, 0.18), transparent 20%),
    linear-gradient(135deg, rgba(10, 20, 42, 0.95), rgba(6, 12, 24, 0.95));
}

.project-body {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.project-tag {
  margin-bottom: 0;
  border-color: rgba(78, 243, 255, 0.18);
  color: #d6fbff;
}

.tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tools-row span,
.modal-tools span {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(78, 243, 255, 0.16);
  background: rgba(78, 243, 255, 0.06);
  color: #dcf8ff;
  font-size: 0.86rem;
}

.contact-panel {
  background:
    radial-gradient(circle at left top, rgba(78, 243, 255, 0.12), transparent 38%),
    linear-gradient(180deg, rgba(10, 19, 37, 0.9), rgba(6, 11, 22, 0.9));
}

.contact-layout {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
}

.contact-card {
  display: grid;
  gap: 14px;
}

.info-card {
  align-content: start;
}

.contact-card a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: #d7faff;
  font-weight: 700;
}

.contact-note {
  margin: 4px 0 0;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(2, 8, 20, 0.56);
  color: var(--text);
  padding: 13px 15px;
  outline: none;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(78, 243, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(78, 243, 255, 0.08);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 34px;
  color: var(--muted);
  font-size: 0.92rem;
}

.project-modal {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  z-index: 50;
}

.project-modal.open {
  display: grid;
}

.project-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 8, 16, 0.72);
  backdrop-filter: blur(12px);
}

.project-modal-panel {
  position: relative;
  width: min(560px, calc(100% - 24px));
  padding: 26px;
  border-radius: 28px;
}

.project-modal-panel h3 {
  margin: 0 0 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.6rem;
}

.modal-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  font-size: 1.4rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(78, 243, 255, 0.12);
  }
  50% {
    transform: scale(1.08);
    box-shadow: 0 0 0 14px rgba(78, 243, 255, 0.04);
  }
}

@keyframes caret {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes borderPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(78, 243, 255, 0.04), 0 20px 50px rgba(0, 0, 0, 0.24);
  }
  50% {
    box-shadow: 0 0 0 14px rgba(78, 243, 255, 0.03), 0 26px 60px rgba(0, 0, 0, 0.28);
  }
}

@keyframes orbit {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes drift-a {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(25px, 18px, 0) scale(1.05); }
}

@keyframes drift-b {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-20px, 22px, 0) scale(1.06); }
}

@keyframes drift-c {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(16px, -18px, 0) scale(1.04); }
}

@keyframes particle-float {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-110vh) translateX(32px);
    opacity: 0;
  }
}

@media (max-width: 1080px) {
  .topbar {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .nav {
    justify-content: flex-start;
  }

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

  .about-layout,
  .skills-grid,
  .projects-grid,
  .contact-layout,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 14ch;
  }
}

@media (max-width: 720px) {
  .topbar,
  main,
  .footer {
    width: min(100% - 20px, 1240px);
  }

  .hero,
  .section,
  .hero-visual {
    padding: 20px;
    border-radius: 24px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 13vw, 3.8rem);
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }

  .nav a {
    flex: 1 1 calc(50% - 8px);
    text-align: center;
  }

  .project-modal-panel {
    padding: 20px;
  }
}