/* ===== Variables ===== */
:root {
  --bg: #0a0a0b;
  --bg-alt: #111113;
  --surface: #18181b;
  --surface-hover: #1f1f23;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  --accent: #c8b89a;
  --accent-dim: rgba(200, 184, 154, 0.15);
  --discord: #5865f2;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --nav-h: 72px;
}

[data-theme="light"] {
  --bg: #f7f6f3;
  --bg-alt: #efede8;
  --surface: #ffffff;
  --surface-hover: #f5f4f1;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.14);
  --text: #1a1a1c;
  --text-muted: #5c5a56;
  --text-subtle: #888580;
  --accent: #8b7355;
  --accent-dim: rgba(139, 115, 85, 0.14);
}

[data-theme="light"] .nav--scrolled,
[data-theme="light"] .nav__links.open {
  background: rgba(247, 246, 243, 0.97);
}

[data-theme="light"] .hero__bg {
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(139, 115, 85, 0.1), transparent),
    radial-gradient(ellipse 40% 30% at 80% 60%, rgba(88, 101, 242, 0.06), transparent);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: clip;
}

.hero,
.section,
.footer,
.nav {
  width: 100%;
  max-width: 100%;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  background: rgba(10, 10, 11, 0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav--scrolled {
  border-color: var(--border);
  background: rgba(10, 10, 11, 0.92);
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin-right: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__cv {
  padding: 0.35em 0.85em !important;
  border: 1px solid var(--border-hover) !important;
  border-radius: 100px !important;
  font-size: 0.8rem !important;
}

.nav__cv::after { display: none !important; }

.nav__cv:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-left: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle__icon {
  width: 18px;
  height: 18px;
}

.theme-toggle__icon--moon { display: none; }

[data-theme="light"] .theme-toggle__icon--sun { display: none; }

[data-theme="light"] .theme-toggle__icon--moon { display: block; }

.nav__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  position: relative;
  transition: color var(--transition);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.open span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav__toggle.open span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--nav-h);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(200, 184, 154, 0.08), transparent),
    radial-gradient(ellipse 40% 30% at 80% 60%, rgba(88, 101, 242, 0.04), transparent);
  pointer-events: none;
}

.hero__content {
  position: relative;
  padding-block: 4rem 6rem;
}

.hero__typing {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--accent);
  margin-bottom: 1rem;
  min-height: 1.4em;
}

.hero__cursor {
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero__label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero__name {
  display: inline-block;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 520px;
  font-weight: 300;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn--ghost {
  border: 1px solid var(--border-hover);
  color: var(--text-muted);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

.hero__scroll {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.hero__scroll-line {
  width: 48px;
  height: 1px;
  background: var(--border-hover);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: translateX(-100%); }
  50%, 100% { transform: translateX(100%); }
}

/* ===== Sections ===== */
.section {
  padding-block: clamp(5rem, 12vw, 8rem);
}

.section--alt {
  background: var(--bg-alt);
}

.section__header {
  margin-bottom: 3.5rem;
  max-width: 560px;
}

.section__tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section__desc {
  color: var(--text-muted);
  font-weight: 300;
}

/* ===== Skills ===== */
.skills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}

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

.skill-card--compact {
  display: flex;
  flex-direction: column;
}

.skill-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.skill-card__icon svg {
  width: 22px;
  height: 22px;
}

.skill-card__icon--discord {
  background: rgba(88, 101, 242, 0.15);
  color: var(--discord);
}

.skill-card__title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-card__badge {
  font-size: 0.65rem;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 100px;
}

.skill-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-weight: 300;
}

.skill-card__subs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-sub {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.skill-sub.open {
  border-color: var(--border-hover);
}

.skill-sub__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
}

.skill-sub__toggle:hover {
  background: var(--surface-hover);
}

.skill-sub__chevron {
  width: 18px;
  height: 18px;
  color: var(--text-subtle);
  transition: transform var(--transition);
}

.skill-sub.open .skill-sub__chevron {
  transform: rotate(180deg);
}

.skill-sub__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-sub.open .skill-sub__body {
  max-height: 200px;
}

.skill-sub__body p {
  padding: 0 1rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 300;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1rem 1rem;
}

.skill-card--compact .skill-tags {
  padding: 0;
  margin-top: auto;
}

.skill-tags span {
  font-size: 0.7rem;
  padding: 0.3em 0.75em;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-subtle);
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 4px;
  background: var(--surface);
  border-radius: 100px;
  width: fit-content;
  border: 1px solid var(--border);
}

.tabs__btn {
  padding: 0.6rem 1.5rem;
  border: none;
  background: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  border-radius: 100px;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.tabs__btn--active {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-panel--active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== About ===== */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about__text p {
  color: var(--text-muted);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about__text strong {
  color: var(--text);
  font-weight: 500;
}

.timeline__title {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.timeline__list {
  list-style: none;
}

.timeline__item {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 0 1.25rem;
  padding-bottom: 1.5rem;
  position: relative;
}

.timeline__item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 0;
  width: 1px;
  background: var(--border-hover);
}

.timeline__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 4px;
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.timeline__year {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.timeline__heading {
  font-weight: 500;
  font-size: 0.95rem;
  margin-top: 0.2rem;
}

.timeline__sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  font-weight: 300;
}

/* ===== Skill levels ===== */
.skill-levels {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.skill-levels__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.skill-levels__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.skill-bar__head {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.skill-bar__label {
  font-size: 0.7rem;
  color: var(--text-subtle);
}

.skill-bar__track {
  height: 6px;
  background: var(--surface);
  border-radius: 100px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.skill-bar__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #e8dcc8);
  border-radius: 100px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-bar.is-visible .skill-bar__fill {
  width: var(--level, 0%);
}

/* ===== Cert toolbar ===== */
.cert-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.cert-search {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  max-width: 360px;
}

.cert-search svg {
  width: 18px;
  height: 18px;
  color: var(--text-subtle);
  flex-shrink: 0;
}

.cert-search input {
  flex: 1;
  border: none;
  background: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  outline: none;
}

.cert-search input::placeholder {
  color: var(--text-subtle);
}

.cert-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cert-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.cert-filter:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.cert-filter--active {
  background: var(--accent-dim);
  border-color: rgba(200, 184, 154, 0.35);
  color: var(--accent);
}

.cert-filter__count {
  font-size: 0.7rem;
  opacity: 0.7;
}

.cert-empty {
  text-align: center;
  color: var(--text-subtle);
  font-size: 0.9rem;
  padding: 2rem 0;
}

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

/* ===== Cards ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.card__badge {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.card__issuer {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25em 0.6em;
  border-radius: 100px;
  border: 1px solid var(--border);
}

.card__issuer--dicoding {
  color: #00b894;
  border-color: rgba(0, 184, 148, 0.25);
  background: rgba(0, 184, 148, 0.08);
}

.card__issuer--ibm {
  color: #4a9fd4;
  border-color: rgba(74, 159, 212, 0.25);
  background: rgba(74, 159, 212, 0.08);
}

.card__issuer--cisco {
  color: #1ba0d7;
  border-color: rgba(27, 160, 215, 0.25);
  background: rgba(27, 160, 215, 0.08);
}

.card__title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 1.25rem;
}

.card__link {
  font-size: 0.85rem;
  color: var(--accent);
  transition: opacity var(--transition);
}

.card__link:hover {
  opacity: 0.7;
}

.card--project {
  padding: 0;
  overflow: hidden;
}

.card--project .card__title,
.card--project .card__desc,
.card--project .skill-tags {
  padding-inline: 1.75rem;
}

.card--project .card__title {
  padding-top: 1.25rem;
}

.card--project .skill-tags {
  padding-bottom: 1.75rem;
}

.card__img {
  height: 140px;
  background: var(--bg);
}

.card__img--net {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.card__img--web {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #3d3d3d 100%);
}

.card__img--bot {
  background: linear-gradient(135deg, #1a1030 0%, #2d1b69 50%, #5865f2 100%);
}

.card__img--quantum {
  background: linear-gradient(135deg, #0d1117 0%, #1a2332 40%, #2d4a6f 70%, #c8b89a 100%);
}

.card--featured {
  display: grid;
  grid-template-columns: 280px 1fr;
  padding: 0;
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.card--featured .card__img {
  height: 100%;
  min-height: 220px;
}

.card--featured__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.card--featured .card__badge {
  margin-bottom: 0.75rem;
}

.card--featured .skill-tags {
  padding: 0;
  margin-top: auto;
  padding-top: 1rem;
}

.card__actions {
  margin-top: 1.25rem;
}

.card__actions .btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
}

.github-section__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.github-section__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.github-section__desc a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.github-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.github-card {
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}

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

.github-card__name {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

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

.github-card__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.github-card__meta {
  display: flex;
  gap: 1rem;
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.github-card__lang {
  color: var(--accent);
}

.github-loading,
.github-error {
  font-size: 0.85rem;
  color: var(--text-subtle);
  grid-column: 1 / -1;
}

/* ===== Social ===== */
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.social-link svg {
  width: 28px;
  height: 28px;
  transition: transform var(--transition);
}

.social-link span {
  font-size: 0.85rem;
}

.social-link:hover {
  border-color: var(--border-hover);
  color: var(--text);
  transform: translateY(-4px);
}

.social-link:hover svg {
  transform: scale(1.1);
}

.social-link--discord:hover {
  border-color: rgba(88, 101, 242, 0.4);
  color: var(--discord);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-subtle);
  line-height: 1.7;
}

.footer__visitors {
  color: var(--text-muted);
  white-space: nowrap;
}

.footer__visitors[hidden] {
  display: none;
}

#visitorCount {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.footer__top {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.footer__top svg {
  width: 18px;
  height: 18px;
}

.footer__top:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

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

  .hero__content {
    padding-block: 2rem 4rem;
  }

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

  .skill-levels__grid {
    grid-template-columns: 1fr;
  }

  .card--featured {
    grid-template-columns: 1fr;
  }

  .card--featured .card__img {
    min-height: 160px;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 10, 11, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0 1.5rem;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__links li a {
    display: block;
    padding: 0.85rem 1.5rem;
  }

  .nav__cv {
    display: inline-block;
    margin: 0.5rem 1.5rem 0 !important;
  }

  .theme-toggle {
    margin-left: 0.5rem;
  }

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

  .hero__actions {
    margin-bottom: 3rem;
  }

  .tabs {
    width: 100%;
    justify-content: center;
  }

  .tabs__btn {
    flex: 1;
    text-align: center;
    padding-inline: 0.75rem;
  }
}

@media (max-width: 480px) {
  .hero__scroll { display: none; }

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

  .footer__inner {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }
}